KR20210050428A - Kitchen hood - Google Patents

Abstract

A kitchen hood has a first housing and a second housing that slides in and out of the first housing to adjust the length of the kitchen hood. The first housing has a fan for sucking in air, an outlet, and an air quality sensing assembly for continuously sensing air quality in a kitchen. The second housing includes an inlet through which air is sucked, a suction grill, a steam cleaning assembly for automatically steam cleaning the inside of the kitchen hood, and a height sensing assembly for detecting the height of a cooking tool seated on a cooktop surface under the second housing. The kitchen hood can be lengthened and shortened based on a sensed height of the cooking tool, and a fan speed and a kitchen hood height can be automatically adjusted based on a sensed by the air quality sensing assembly.

Description

Kitchen hood {Kitchen hood}

The present invention relates to a kitchen hood.

(0003) Cooking often causes the release of harmful fumes, gases, oils or pollutants into the indoor air. Many kitchens have a kitchen hood installed over the stove to discharge residual pollutants. If not properly managed, the kitchen hood becomes less efficient, increasing the amount of harmful pollutants remaining in the kitchen.

(0004) A recent study showed that most kitchen hood owners do not regularly maintain or clean their kitchen hoods. However, when the kitchen hood is not properly maintained, the oil that accumulates under the kitchen hood or remains in the air is staphylococcus aureus ("staph"), Escherichia coli ("E coli), and bacteria such as Streptococcus pneumoniae (which can cause meningitis, pneumonia, sinusitis and other infections) In addition, when the kitchen hood is not operating properly, fine dust, oil mist. Harmful substances that occur during cooking, such as carbon monoxide, nitrogen dioxide, formaldehyde, volatile organic compounds, black carbon, and polycyclic aromatics hydrocarbons can spread throughout the kitchen. And can further reduce the efficiency of the kitchen hood.

(0005) In the kitchen, harmful gases containing 15 to 40 nm particles generated during cooking are condensed with oil to generate fine dust of 1 to 10 μm. For example, Table 1 below shows dangerous substances that occur during cooking, such as gases and/or volatile organic compounds.

matter cause danger fine dust Caused by condensation of moisture and oil on the initial particles formed on the food surface Entering the lungs through the respiratory tract, impairing lung function and weakening immunity; Group 1 carcinogens Nitrogen dioxide Occurred by incomplete combustion of food ingredients Respiratory diseases such as decreased oxygen carrying capacity of hemoglobin and high concentration bronchitis Formaldehyde Formaldehyde is generated by incomplete combustion during combustion of organic matter Skin irritation such as eyes, nose, and throat; Headache, vomiting and shortness of breath during prolonged exposure; carcinogens Volatile organic compounds Occurs when the oil is heated Respiratory damage, eye irritation, headache, skin irritation; chronic blood intestine, anemia Polycyclic fragrance hydrocarbons Incomplete combustion of oils caused by carbonization of carbohydrates, fats, proteins Respiratory diseases and DNA modification; Class 1 carcinogen Black carbon (black) Occurred by incomplete combustion of food ingredients Respiratory diseases

(0006) Initial particles (volatile organic compounds and harmful substances such as nitrogen dioxide) with a size of about 15 to 40 nm are generated during cooking of food, and when combined with moisture and oil, the size of these particles increases to create fine dust. do. Harmful gases generated during cooking are coated with oil vapor or mist. Vapors containing harmful gases, once accumulated in the room, are not easily removed and remain in the room for a long time. WO 201709534 A1 discloses an automatically moving kitchen hood having a protrusion installed behind a stove or a suction port resembling a faucet. Upon sensing the heat source, the suction port moves over the heat source. The suction port moves in the left and right direction, and may cover only one cooking container. Since the kitchen hood is installed on the floor behind the stove instead of the wall or ceiling, it may be difficult to install, and harmful gases may not be released to the outside.

(0007) KR 10-0612464 B1 discloses a kitchen hood having an elevating exhaust drive motor. The hood and the suction grill are provided directly above the cooktop, so that the possibility of oil residue falling back into the food increases, and air intake efficiency from one side may decrease.

(0008) KR 10-1830811 B1 discloses a ceiling kitchen hood in which water and detergent are periodically sprayed through a nozzle. Sewage and detergent are discharged from the drain pipe, and the installation of a kitchen hood may be restricted due to the drain pipe.

(0009) The above citations are incorporated herein by reference as appropriate for the appropriate teaching of additional or alternative details, features and/or technical backgrounds.

It is an object of the present invention to provide an autonomous kitchen hood that automatically operates and cleans itself. This kitchen hood can reduce or remove steam, odors, dust, oil mist, and harmful substances and provide ventilation inside the kitchen. This kitchen hood can be steam cleaned periodically (eg once a month) or automatically according to the detection value of a specific level of contamination.

(0011) An object of the present invention is to provide a kitchen hood having a suction grill having an adjustable length in order to better filter contaminants in the air. This kitchen hood can detect the height of the cooking utensils, and whether a person is frying food in a frying pan (generating more smoke and harmful substances), or boiling water in a saucepan or pot (which does not generate a lot of harmful substances). Can be inferred, and the height of the suction can be adjusted accordingly. In the case of a frying pan, the height can be lowered to be closer to the pan and air can be sucked in before more air spreads in the kitchen. In the case of a saucepan or pot, the height can be raised to allow steam to flow upwards.

It is an object of the present invention to provide a kitchen hood that can prevent or reduce the spread of contaminants and bacteria.

An object of the present invention is to provide a kitchen hood that is easy to replace, easy to disassemble and transport, easy to maintain, and easy to clean. This kitchen hood can be easily installed on the kitchen wall via a bracket and can be easily lifted to separate from the bracket.

It is an object of the present invention to provide a kitchen hood including a portable and replaceable filter or grill.

It is an object of the present invention to provide a kitchen hood capable of detecting contaminants in the air and automatically purifying and cleaning the air based on the detected value of the contaminants. This kitchen hood can continuously detect contaminants such as oil, dust, odors, nitrogen dioxide, carbon monoxide, carbon dioxide, smoke, and/or formaldehyde and can operate properly for 24 hours. This kitchen hood may include a photo-ionization sensor (PID) at its lower side to detect an increase in smoke or contaminants during cooking, and this kitchen hood may inhale or absorb air based on fan speed, operating time, and detected contaminants. The height of the discharge can be adjusted.

An object of the present invention is to provide a kitchen hood that operates 24 hours a day and discharges contaminated air from the kitchen. Although this kitchen hood can be installed on top of the stove to drain contaminants from cooking on the stove, this kitchen hood can also drain contaminants from other utensils (e.g., microwave or toaster). . These kitchen hoods can also release non-cooking contaminants such as yellow dust, pollen or dirt that can enter your kitchen, and can improve the overall air quality of your kitchen and home. This kitchen hood can continuously detect the air quality in the kitchen and respond by turning on the fan and lowering the suction grill.

It is an object of the present invention to provide a kitchen hood having an air intake or a suction grill having an adjustable position. The air intake port may be elevated to a position for effectively inhaling contaminated air and smoke. This kitchen hood may contain an ultrasonic sensor or light sensor to detect the height of a pot, pan, or other container (collectively called a cooking utensil) on the stove under the kitchen hood, and the air intake may be based on the detected height. Can be elevated.

It is an object of the present invention to provide a kitchen hood having a user interface (e.g., display and/or light) in which the operation of the kitchen hood and sensed air quality can be displayed on a display or displayed through light. The kitchen hood may have an additional user interface (eg, a touch screen or a speaker) so that the user can operate the kitchen hood. Users can remotely control the kitchen hood. This kitchen hood may have a Wi-Fi and/or Bluetooth module for control through a mobile or web application. This display can show service confirmations for the user, prompting the user to check filters and sensors.

It is an object of the present invention to provide a kitchen hood having a fan configured to reduce noise. It is an object of the present invention to provide a kitchen hood having a battery. This kitchen hood can operate even in the event of a power outage thanks to the battery.

It is an object of the present invention to provide a kitchen hood having a speaker, a microphone, and voice recognition software so that the kitchen hood can be controlled through a voice instruction. An object of the present invention is to provide a kitchen hood that can be connected or communicated with other kitchen tools or smart home tools such as a refrigerator, stove, oven, or air purifier, and is operated accordingly.

It is an object of the present invention to provide a kitchen hood with automatic lighting configured to illuminate a kitchen or stove when a user enters the kitchen or approaches the kitchen hood. The kitchen may additionally include sterilizing lighting (eg, ultraviolet light-emitting diodes: LEDs) to further reduce contamination of the kitchen hood and/or sterilize the stove located under the kitchen hood.

(0022) The embodiment disclosed herein has a fan for inhaling air, a first housing, and a second configured to slide in the first housing with an inlet having a predetermined shape and size through which the inhaled air can enter. It may be implemented as a kitchen hood including a housing, a suction grill for covering the inlet, and a first sensor configured to detect the height of an object. The second housing may be movable between a first position exposing a side surface of the suction grill and a second position completely covering the side surface of the suction grill. The lower portion of the second housing is based on the height of the object sensed by the first sensor and the second housing is slid out of the first housing to a third position that may be between the first position and the second position. On the basis of it, it can be automatically extended toward the object.

When the first sensor detects that the height of the object is equal to or less than a predetermined first height, the second housing may move to the first position. When the sensor detects that the height of the object is larger than the first predetermined height but smaller than the second predetermined height, the second housing may move to the third position. If the first sensor does not detect an object, the second housing may move to a second position.

(0024) Lighting may be provided under the second housing. The second sensor may be configured to detect an object approaching the second sensor. The lighting may be operated based on detection by the second sensor.

(0025) The first housing may include an outlet through which air can be discharged. The inlet may include a left inlet and a right inlet formed on a left side and a right side of the second housing. The suction grill may include a left suction grill provided to cover the left inlet and a right suction grill provided to cover the right inlet. The left suction passage may be formed from the left suction grill to the outlet. The right suction passage may be formed from the right suction grill to the outlet. The left damper may be provided to open and close the left suction passage. The right damper may be provided to open and close the right suction passage. The left and right dampers may be controlled based on the position of the object on the surface sensed by the first sensor with respect to the left and right inlets.

The suction grill may have an inner grill and an outer grill. The inner grille and the outer grille may be arranged at intervals with respect to each other. At least one of an inner grille or an outer grille of the suction grill may include a plurality of slats.

The inlet may have a side portion formed on the side of the second housing and a bottom portion formed on the bottom of the second housing. The second housing may include a space for accommodating an upper end of the suction grill. A side surface of the suction grill may cover a side surface of the inlet. The suction grill may include a bottom portion covering a lower portion of the inlet. At least one of a lower portion of the inlet or a bottom portion of the suction grill may include a magnet.

(0028) The second housing may overlap the surface of a cooktop. The first housing may have a width in a horizontal direction that may be less than or equal to the width of the cooktop surface.

(0029) The rear surface of the first housing may include hooks configured to be hung on the wall bracket.

(0030) The kitchen hood may have a fan housing in which the fan can be located. The outlet may be formed on an upper surface or a rear surface of the first housing. The fan housing can be coupled to the upper surface of the first housing so that the outtake of the fan is aligned with the outlet.

The steam cleaning assembly may include a container for storing liquid, a steam generator for converting the stored liquid, and a distributor for distributing the steam. The operation of the steam cleaning assembly may be based on at least one of detection of the first sensor, passage of time, or manual instruction.

The second housing may further include a condensate collector configured to collect condensed water during the operation of the steam cleaning assembly and guide the collected condensate back to the container.

(0033) A third sensor may be provided. The operation of the fan may be based on the detection of at least one of oil, dust, smoke, or smell by the third sensor.

(0034) The embodiment described herein may be implemented as a kitchen hood, wherein the kitchen hood has a fan configured to intake air, an outlet through which air can be discharged, and a first guide, together with the first guide. An upper housing configured to be fixed; A lower housing having a suction grill provided in a lower region and a second guide configured to be coupled to the first guide; And a motor configured to move the second guide relative to the first guide by raising and lowering the lower housing between a first position and a second position with respect to the upper housing. When the lower housing is raised to the first position, a side surface of the suction grill may be covered by the upper housing. When the lower housing descends to the second position, the suction grill may be exposed from the upper housing.

A rack may be provided on the outer surface of the lower housing, and a gear may be provided between the upper housing and the lower housing and configured to be coupled to the rack. The motor may be configured to rotate the gear, so when the gear is rotated in a first direction, the lower housing may be lowered, and when the gear is rotated in a second direction opposite to the first direction, The lower housing may be raised.

Each of the upper housing and the lower housing may be formed as a rectangular frame having a front surface, a rear surface, a left surface and a right surface. The first guide may include a first left rail provided on a left side of the inner surface of the upper housing and a first right rail provided on a right side of the inner surface of the upper housing. The second guide is provided on a second left rail provided on the left side of the outer surface of the lower housing so as to be aligned with the first left rail, and on a right side of the outer surface of the lower housing so as to be aligned with the first right rail. It may include a second right rail. The rack may include a left rack provided on a right side of the second left rail, and a right rack provided on a left side of the second right rail. The gear may include a left gear configured to be coupled to the left rack, and a right gear configured to be coupled to the right rack.

A motor housing may be provided between the first left rail and the first right rail. The motor may include a left motor and a right motor. The left motor may be provided in a motor housing and may be configured to rotate the left gear. The right motor may be provided in the motor housing and may be configured to rotate the right gear.

The first left rail may include a first rear left rail provided on a rear surface of the upper housing and a first distal left rail provided at a front end of the upper housing. The first right rail may include a first rear-end right rail provided on a rear surface of the upper housing and a first distal right rail provided at a front end of the upper housing. The second left rail may include a second rear end left rail provided on a rear surface of the lower housing and a second front end left rail provided at a front end of the lower housing. The second right rail may include a second rear-end right rail provided on a rear surface of the lower housing and a second distal right rail provided at a front end of the lower housing.

The height sensor may be provided under the lower housing. The height sensor may be configured to detect a height of an object located under the lower housing. The operation of the motor for moving the lower housing with respect to the upper housing may be based on what is sensed by the height sensor.

(0040) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood has an upper portion and a lower portion, and is configured to be installed on an upper portion of the cooktop surface, and the vertical height of the lower portion to the upper portion of the cooktop surface. Is controlled case, a fan provided inside the upper part of the case to intake air, an outlet formed in the upper part of the case to discharge air, and formed in the lower part of the case to suck air in the vertical direction And a steam cleaning assembly provided inside the case and configured to generate steam and distribute steam from the inside of the case, and an inlet that is elevated when the height is adjusted, a suction grill that covers the inlet.

(0041) The first sensor may be configured to detect an object provided on the cooktop surface. The vertical height of the lower part may be adjusted based on what is sensed by the first sensor. The second sensor may be configured to detect at least one of smoke, oil, dust, or smell. The third sensor may be configured to detect an object approaching the third sensor. Lighting may be provided under the case. The lighting may be configured to be operated based on what is sensed by the third sensor. A magnet may fix the suction grill to the lower portion of the case. A display may be provided on the outer surface of the case to display the operation state and the ones sensed by the first, second, and third sensors.

(0042) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood includes a housing, a fan provided inside the housing to intake air, an inlet formed in the housing and inhaling air, and the housing. It is formed and includes an outlet for discharging air, a suction grill for covering the inlet, and a steam cleaning assembly provided inside the housing and configured to generate steam and distribute steam to the inside of the housing. The steam cleaning assembly may include a container configured to store a liquid, a heater configured to heat the liquid to generate steam from the stored liquid, and a steam distributor connected to the heater and provided on the suction grill. The steam distributor may have at least one nozzle configured to provide steam inside the housing.

(0045) The steam distributor may be formed as a tube. The inner space of the tube may guide steam coming from the heater.

The tube may have an outer surface and an inner surface opposite to each other. The outer surface may face the inner surface of the housing. The nozzle may be formed on at least one of the outer surface and the inner surface. The nozzle on the inner surface may be configured to discharge steam toward the center of the housing. The at least one nozzle may include a plurality of nozzles spaced at equal intervals along at least one side surface of the steam distributor.

(0047) A condensate guide may be coupled to the inner surface of the housing and may be configured to collect the condensate of the steam and guide the condensate toward the vessel. The steam distributor may be coupled to an upper portion of the condensate guide. The container and heater may be provided under the condensate guide.

The condensed water guide may include a front plate having an upper portion and a lower portion and a rear plate having an upper portion and a lower portion. The front plate and the rear plate may be coupled to the inner surface of the housing. A plurality of plates may be provided between the front plate and the rear plate. The plurality of plates may be configured to guide the condensed water downward. The steam distributor may be coupled to upper portions of the front plate and the rear plate.

The plurality of plates may include a plurality of left plates positioned between left edges of the front and rear plates, and a plurality of right plates disposed between right edges of the front plate and the rear plate. The lower portions of the front plate and the rear plate may have a trapezoidal shape such that left and right edges are inclined inward from top to bottom. The plurality of left plates may form a left step, and the plurality of right plates may form a right step.

The condensed water guide may further include left and right side plates extending between left and right edges of the upper portion of the front plate and the rear plate. The left and right side plates may be coupled to an inner surface of the housing or at least one of a plurality of plates.

The frame may be located between the bottom of the condensate guide and the top of the container, and may have a path through which condensate water can flow from the bottom of the condensate guide to the container.

(0052) The heater may be provided at the rear end of the housing. The first tube of the steam distributor may be connected to the heater through an opening in the upper portion of the rear plate. The container may be configured to be detachable from the housing so that the container is manually filled with liquid.

The housing may include a first housing and a second housing configured to move relative to the first housing. The fan may be coupled to the first housing, the outlet may be formed in the first housing, an inlet may be formed in the second housing, and the steam cleaning assembly is provided in the second housing Can be.

The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood includes a housing, a fan provided inside the housing to suck air, an inlet 210a formed in the housing and inhaling air, An outlet formed in the housing and through which air is discharged, a suction grill covering the inlet, and a steam cleaning assembly provided in the housing and configured to generate and distribute steam in the housing. The steam cleaning assembly has a first and a second part and a container configured to be manually separated from the housing so that the first part thereof can be filled with a liquid, to heat the liquid in the first part of the container to generate steam. It may include a heater configured, and a condensed water guide provided on the upper portion of the container and configured to guide the condensed water of the steam generated to the second portion of the container so as to be discarded when the container is separated.

The container may be configured to slide in a horizontal direction from the front of the housing to be separated. The lid may have a first portion and a second portion to cover the first portion and the second portion of the container, respectively. The second portion of the lid may have an inclined surface to guide the condensed water to the second portion of the vessel.

The steam distributor may be connected to the upper end of the condensate guide and the tube of the steam distributor connected to the heater. The steam distributor may have a plurality of nozzles for discharging the steam supplied through the tube.

A frame may be provided between the condensate guide and the container. The frame may form a passage through which condensed water can be guided from the bottom of the condensed water guide to the second portion of the container.

The condensed water guide may include a plurality of right plates forming a right step and a plurality of left plates forming a left step. Each of the left and right plates may have a downward slope to guide the condensed water downward.

(0059) The lower portion of the housing may include a container passage that may be configured to insert the container. The container may include a front plate having a handle. The front plate may be exposed to the outside of the housing so that the container is separated from the housing by pulling the handle.

The housing may include a first housing and a second housing configured to vertically move the inside of the first housing between the first and second positions. In the first position, the container may be housed in the first and second housings to prevent the container from being separated. In the second position, the container may be housed within the second housing and may be exposed from the first housing to separate the container from the second housing.

(0061) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood includes a first housing, a second housing configured to move vertically with respect to the first housing from a first position to a second position, and air. A fan provided inside the upper portion of the first housing to inhale, an inlet formed in the second housing to suck air, an outlet formed in the first housing to discharge air, and cover the inlet, At the first position, one side thereof may be at least partially exposed from the first housing, and at the second position, one side thereof may be covered by the first housing, a suction grill provided inside the second housing and generating steam. And a steam cleaning assembly configured to generate and distribute. The steam cleaning assembly includes at least a container having a first portion and a second portion, a heater generating steam by heating a liquid in the first portion, a plurality of tubes guiding the generated steam, and the plurality of tubes. It may include at least one nozzle for distributing the steam from one.

(0062) During the steam cleaning operation, the second housing can move to the second position, the heater can be turned on to generate steam discharged by the steam cleaning assembly, and the fan forms condensed water and the It can be kept off for a first predetermined period of time so that it can be collected within a second portion of the container. After the first predetermined period, the fan may be turned on. The steam cleaning operation may be automatically performed based on at least one of a lapse of time, air quality or a past history of use, or a user's preference.

(0063) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood has a front surface, a rear surface, an upper surface, and a bottom surface, and has a left side and a right side between the front, rear, upper and bottom surfaces. , A housing configured to have the rear surface installed on the wall, a fan provided inside the upper portion of the housing to suck air, a left inlet formed on the left side of the housing and inhaling air, and formed on the right side of the housing and air And a right inlet through which is sucked, a left grill covering the left inlet, a right grill covering the right inlet, an outlet formed on the upper portion of the housing to allow air to be discharged, and a user interface formed in the front of the housing. . The depth in the front-rear direction of the housing may be longer than the width in the left-right direction.

(0064) The left inlet may be partially formed on the bottom of the housing, the right inlet may be partially formed on the bottom of the housing, and the left and right grills cover each of the entire left and right inlets. It can be bent from the bottom to cover.

(0065) The guide may extend between the front and rear surfaces of the housing, and are spaced apart from the left and right sides of the housing to form a left suction passage from the left inlet to the outlet and a right suction passage from the right inlet to the outlet. Can be.

The guide may include a left damper configured to open and close the left suction passage and a right damper configured to open and close the right suction passage.

(0067) The first sensor may detect the position of the object under the housing in the left and right directions. The left and right dampers may be controlled based on the detected position of the object.

(0068) The housing may be located above the cooktop surface. The width of the housing in the left-right direction may be narrower than the width in the left-right direction of the cooktop surface.

(0069) The pan may be automatically maintained in an on state for a predetermined period of time for 30 minutes or more after the operation of the cooktop surface is completed or stopped.

The second sensor may detect at least one of a smoke level, an odor level, an oil level, or a dust level. The fan may be controlled based on what is sensed by the second sensor.

(0071) The lighting may be located on the bottom of the housing. The third sensor may detect an object approaching the third sensor. The lighting and fan may be controlled based on what is sensed by the third sensor.

The container passage may be formed in the front-rear direction of the lower part of the housing. The container may be configured to store liquid and has a front and rear length that is longer than the left and right length and is configured to be inserted into and removed from the container passage. A heater is provided at the rear end of the container and is configured to heat the liquid supplied from the container to generate steam. The steam distributor is located in the upper part of the housing and is configured to discharge steam generated from the heater. The condensate water collector is provided below the steam distributor and at the top of the container. The condensate water collector is configured to guide condensed water made from the steam to the vessel.

(0073) The housing may include an female housing and a male housing configured to be located at least partially inside the female housing and to move relative to the female housing. The arm housing may include a fan, an outlet, and a user interface. The water housing may include a left entrance, a right entrance, a left suction grill, and a right suction grill.

(0074) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood has a front surface, a rear surface, an upper surface, and a bottom surface, and has a left surface and a right surface positioned between the front surface, the rear surface, and the upper surface and the floor surface. The rear surface is a housing configured to be installed on a wall, a fan positioned inside the upper portion of the housing to suck air, a left inlet formed on the left side of the housing to suck air, and a right side of the housing to provide air. A right inlet where is sucked, a left suction grill located at the left inlet, a right suction grill located at the right inlet, an outlet formed on the upper part of the housing and through which air is discharged, a left suction formed between the left inlet and the outlet A passage, and a right suction passage formed between the right inlet and the outlet. The left suction passage may be configured to be selectively opened and closed, and the right suction passage may be configured to be selectively opened and closed. Opening and closing of the left suction passage and the right suction passage may be independently controlled.

The volume of the sucked air passing through the left and right passages may be controlled according to the left and right positions of the object under the housing.

The guide may be located inside the housing and may be spaced apart from the left side and the right side of the housing. The right suction passage may be formed between the right side of the guide and the right side of the housing, and the left suction passage may be formed between the left side of the guide and the left side of the housing. A left damper may be coupled to the guide and may be configured to change the degree of opening of the left suction passage. The right damper is coupled to the guide and is configured to change the degree of opening of the right suction passage. A left motor may be located inside the guide to control the left damper between an open position and a closed position. The right motor may be positioned inside the guide to control the right damper between an open position and a closed position.

(0077) The left gear may be located inside the guide and may be configured to be rotated by the left motor. The right gear may be located inside the guide and may be configured to be rotated by the right motor. The left rack may have an arc shape having a first end and a second end. The first end of the left rack may be coupled to the left damper, and the second end of the left rack may be located inside the guide. The left rack may be configured to engage with the left gear. The right rack may have an arc shape having a first end and a second end. The first end of the right rack may be coupled to the right damper, the second end of the right rack may be located inside the guide, and the right rack may be configured to be coupled to the right gear.

(0078) The left hinge may be coupled between the left damper and the guide. The left damper may be configured to rotate around the left hinge, so that when the left damper is completely open, the left damper may be parallel to the left side of the guide. The right hinge may be coupled between the right damper and the guide. The right damper may be configured to rotate around the right hinge, so that when the right damper is fully opened, the right damper may be parallel to the right side of the guide.

The inner surface of the left side of the housing may be formed as a left curved portion that can be bent inward toward the guide. The inner surface of the right side of the housing may be formed as a right curved portion that can be bent inward toward the guide. The left damper may be configured to contact the left curved surface to close the left suction passage. The right damper may be configured to contact the right curved surface to close the right suction passage.

The left curved portion may be formed to have a left space so that the upper portion of the left grill may be inserted. The right curved portion may be formed to have a right space so that an upper portion of the right grill can be inserted.

(081) The guide may include a passage through which condensed water flows.

(0082) A sensor may be configured to detect the position of an object under the housing. When the sensor detects that the object is closer to the left entrance than the right entrance, the left suction passage may be opened and the right suction passage may be closed. When the sensor detects that the object is closer to the right entrance than the left entrance, the left suction passage may be closed and the right suction passage may be opened.

(0083) The housing may be configured to be installed on the wall. The housing may have an upper portion and a lower portion. The length of the housing can be changed based on the movement of the lower part to the upper part. A fan can be coupled to the upper portion of the housing. A first inlet may be formed in a lower portion of the housing. A first grill may cover the first inlet. An outlet may be formed in the upper part of the housing so that air can be discharged. A first suction passage may be formed from the first inlet to the outlet. When the length of the housing increases, the length of the first suction passage may increase. When the length of the housing is decreased, the length of the first suction passage may be decreased.

The length of the first suction passage may be changed according to the exposure of the first grill based on the position of the lower part within the upper part.

(0085) The damper may be configured to change the degree of opening of the first suction passage. The sensor may be configured to sense the height of an object under the lower portion of the housing. When it is sensed that the height of the object is less than or equal to the first predetermined height, the lower portion of the housing may move to the first position so that the first suction passage has a first length. When it is detected that the height of the object is equal to or greater than the second predetermined height, the lower portion of the housing is moved to the second position so that the first suction passage has a second length shorter than the first length. I can.

The second inlet may be formed in a lower portion of the housing on a side opposite to the side on which the first inlet is formed. The second grill may cover the second inlet. The second suction passage may be formed from the second inlet to an outlet. When the length of the housing increases, the length of the second suction passage may increase. When the length of the housing decreases, the length of the second suction passage may decrease.

The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood has a front housing and a rear housing, and the rear housing is configured to be installed on a wall, and the front housing has first and second housings, The second housing includes a housing configured to move vertically downward, a fan positioned inside the rear housing to suck air, an inlet formed on the front side of the second housing, a grill covering the inlet, and the rear housing It is formed in and includes an outlet through which the inhaled air is discharged. The second housing may be configured to move between the first position and the second position. The grill may be covered by the first housing in a first position and exposed in a second position. The width of the housing in the horizontal direction may be greater than the depth of the housing in the front-rear direction.

The fan through hole may be formed between the rear housing and the first housing so that the rear housing and the inner space of the first housing communicate with each other. The fan inlet may be aligned with the fan through hole. The drive assembly may be configured to elevate the second housing toward the inside of the first housing. When the drive assembly moves the grill to the first position, the second housing is raised, the grill is the first housing. And when the drive assembly is lowered so that the grill moves to the second position, the grill is not inside the first housing.

(0089) A sweeper may be coupled to the first housing and may be configured to move in a horizontal direction across the grill when the second housing is moved to the first position.

The first housing may further include a steam cleaning assembly located under the sweeper. The steam cleaning assembly may include a container configured to store a liquid, a heater configured to generate steam by heating the stored liquid, and a nozzle configured to discharge steam generated when the sweeper is operated.

(0091) The sweeper can rotate when moving left and right. The outlet may be formed on the rear surface of the rear housing behind the fan. The fan may be configured to suck in and discharge air in the axial direction of the fan.

(0092) A plurality of hooks may be located on the rear surface of the rear housing. The bracket can be configured to be screwed to the wall. A plurality of bracket hooks may be formed on the bracket and may be configured to be coupled with a plurality of hooks positioned on the rear housing.

(0093) The first sensor may be configured to detect a height of an object under the lower portion of the second housing. The driving assembly may be controlled based on what is sensed by the first sensor.

(0094) The second sensor may be configured to detect at least one of smoke, dust, oil, or smell. The user interface may be configured to display what is sensed by the second sensor. The fan may be operated based on what is sensed by the second sensor.

(0095) The third sensor may be configured to detect an object approaching the third sensor. A light may be located under the housing to illuminate a space under the housing. At least one of the lighting or the fan may be operated based on what is sensed by the third sensor.

(0096) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood is a housing configured to be installed on a wall, a fan positioned inside the housing to inhale air, and air formed in the housing and sucked. And a sweeper assembly having an inlet into which the air enters, an outlet through which suctioned air is discharged, a grill covering the inlet, and a roller bush configured to move across the grille.

(0097) The roller bush can be made of one of bristle, felt, or textile materials configured to remove residue from the grill. The steam cleaning assembly may be configured to generate and discharge steam during operation of the sweeper assembly.

The housing may include a first housing having a front opening. The roller bush may be configured to move across the front opening in the left and right direction. The second housing may be provided in the first housing and may have an inlet and a grill. The front opening may be aligned with the inlet so that the grill is exposed through the front opening.

The sweeper assembly may further include a lower guide positioned below the front opening and having a bottom groove and an upper guide positioned above the front opening and having an upper groove. The upper end of the roller bush may be inserted into the upper groove. The lower end of the roller bush may be inserted into the bottom groove. The roller bush may be moved in a horizontal direction along the upper groove and the lower groove.

(0100) A container may be positioned under the lower guide and configured to contain a liquid. The heater may be configured to heat the contained liquid to generate steam. A nozzle may be located on the lower guide and may be connected to the heater to discharge steam generated during operation of the roller bush.

(0101) The container may have a first portion for accommodating a liquid and a second portion for collecting residues removed from the roller bush. The container may be configured to enter and exit from the first housing.

(0102) The second housing can be configured to move between the first position and the second position. The first position may be a position in which the grill can be exposed through a front opening of the first housing. The second position may be a position where the grill is located under the first housing. The roller bush may be operated when the second housing is moved to the first position.

(0103) The housing may include a third housing coupled to the rear surface of the first housing. The third housing may have the fan. The fan through hole may be formed on the rear surface of the first housing so that the third housing and the inner space of the first housing communicate with each other. The fan may be aligned with the pan through hole, and when the grill is moved to the first position, the grill may be aligned with the fan and the pan through hole.

(0104) The embodiment disclosed herein may be implemented as a kitchen hood, wherein the kitchen hood includes a front housing and a rear housing coupled to the front housing and configured to be installed on a wall, A fan, a second housing positioned at least partially inside the front housing and configured to move between a first position and a second position, an inlet formed in the front of the second housing, and cover the inlet and the second housing A grill exposed when lowered to the first position, a sweeper positioned on the front housing and configured to sweep away residues of the grill when the second housing is moved upward to the second position, and And a steam cleaning assembly positioned under the sweeper and configured to discharge steam during operation of the sweeper.

1 is a front view of a kitchen hood according to an embodiment of the present invention installed in the kitchen.
Figure 2 is a side perspective view showing a state in which the hood for the kitchen shown in Figure 1 is partially extended.
Figure 3 is a side perspective view showing a state in which the hood for the kitchen shown in Figure 1 is fully extended.
4A is a front view of the kitchen hood in a fully extended state.
Figure 4b is a front cross-sectional view of the kitchen hood showing the interior and air flow of the kitchen hood.
5 is a lateral perspective view of the kitchen hood in a state in which it is fully extended and the suction grill is partially separated.
6 is a lateral perspective view of a kitchen hood and a bracket showing how the kitchen hood is installed on the kitchen wall.
Figure 7 is an enlarged view showing the side of the kitchen hood coupled to the bracket of Figure 6;
8 is a perspective view of a kitchen hood showing a display.
9 is a perspective view showing a kitchen hood in a state in which the first housing of the outer case is opened and extended.
10 is an exploded perspective view showing an inner case of a first housing and a second housing forming a kitchen hood.
11 is an exploded perspective view of a kitchen hood showing a sliding assembly and a steam cleaning assembly.
12 is a front cross-sectional view of the first housing and the second housing in an unextended state.
13 is an exploded perspective view of the sliding assembly.
14 is an enlarged exploded perspective view showing the gears of the sliding assembly.
15 is an enlarged perspective view showing the gears of the sliding assembly.
16 is a side cross-sectional view of the sliding assembly.
17 is an enlarged cross-sectional view of the steam cleaning assembly.
18 is an enlarged exploded perspective view of the steam cleaning assembly.
19 is an enlarged exploded perspective view of the steam cleaning assembly and the height sensing assembly.
20 is an exploded perspective view of the steam cleaning assembly and the height sensing assembly.
21 is a view showing dampers for opening and closing the left and right suction paths.
22 is an enlarged view of dampers and gears.
23A is a view showing a state in which the left damper is open and the right damper is closed.
23B is a view showing a state in which the right damper is open and the left damper is closed.
24 is a front cross-sectional perspective view of the first housing and the second housing in an extended state.
25A is an exploded perspective view of a display and an air quality sensing assembly.
25B to 25F are views showing the display being implemented.
26 is a bottom perspective view showing the height sensing assembly.
27 is an exploded perspective view of the height sensing assembly.
28 is a front view of another embodiment of the kitchen hood.
29 is a perspective view showing an extended state of the kitchen hood of FIG. 28;
30 is a lateral perspective view of the kitchen hood and bracket of FIG. 28;
FIG. 31 is a perspective view of a display, a door, and a suction grill viewed from an extended state from the kitchen hood of FIG. 28;
Fig. 32 is a lateral perspective view of the kitchen hood of Fig. 28 with the door open.
33 is a front perspective view of the kitchen hood of FIG. 28 in a state in which the door and the front cover are separated.
34 is a lateral cross-sectional perspective view of the kitchen hood of FIG. 33;
Figure 35 is an exploded perspective view of the kitchen hood of Figure 34 showing the outer case and the inner case.
FIG. 36 is a bottom perspective view showing the kitchen hood of FIG. 28 from the bottom with the door removed so that the liquid storage container is visible.
Fig. 37 is a bottom view of the sweeper assembly seen from the bottom of the lower guide.
38A to 38C are a perspective view from the front of the kitchen hood of FIG. 28 showing the motion of the sweeper.
39 is a perspective view from the front of the kitchen hood of FIG. 28 in an extended state in which the suction grill is partially separated.
Figure 40a is a left cross-sectional view of the kitchen hood of Figure 28 showing the inside.
Figure 40b is a right cross-sectional view of the kitchen hood of Figure 28 showing the interior and air flow.
Fig. 41 is a perspective view showing an alternative embodiment of the left side cylinder of the liquid storage container in the kitchen hood of Fig. 28;
42 is a perspective view showing the right side of the liquid storage container of FIG. 41;

(0152) Referring to FIG. 1 to FIG. 3, the kitchen hood 1 according to the exemplary embodiment of the present invention may be provided to suck ambient air into the inner space and discharge the sucked air. The kitchen hood 1 may include a housing or casing 100 having a rectangular or rectangular parallelepiped shape. The exterior of the casing 100 may be made of a metal or glass-coated metal material (eg, glass-coated stainless steel or brushed stainless steel), but embodiments disclosed herein are not limited thereto. . The housing 100 may define an outermost surface of the kitchen hood 1 to form an exterior.

(0153) The casing 100 may serve as the first housing 100, and the kitchen hood 1 includes a second housing 200 configured to slide into and out of the first housing 100 can do. The second housing 200 may include a suction grill 210 through which ambient air is sucked. The sliding motion of the second housing 200 may adjust the height of the suction grill 210. The first and second housings 100 and 200 may alternatively be referred to as external and internal housings or casings, respectively, or as female housings and male housings, respectively.

(0154) The second housing 200 is made so that the suction grill 210 is lowered so that it is close to the surface of the stove or to a pan, pot, or other bowl (hereinafter referred to as'cooking utensils') located on the surface of the stove. 1 It can be slid out of the housing 100. The sliding motion of the second housing 200 may be manually controlled by the user or may be automatically controlled based on the height of the fan or the amount of smoke or other gas sensed by the kitchen hood 1. For example, when a sauce pan or pot with boiling water is provided to the stove under the kitchen hood 1, since there will not be many contaminants such as oil mist in the air, the second housing 200 is relatively It may have a higher height (as illustrated in FIG. 2 ), and may be partially inserted into the first housing 100. When a frying pan with oil or other fragrant food ingredients is placed on the stove under the kitchen hood 1, the second housing 200 may have a relatively low height (as illustrated in FIG. 3). In addition, most of the contaminants (eg, harmful gas, oil mist, and/or fine dust) emitted from the frying pan may escape to the outside of the first housing 100 to better intake.

(0155) The second housing 200 may also be made of a metal material, but embodiments disclosed herein are not limited thereto. The first housing 100 and the second housing 200 may be rectangular shells having a front surface, a rear surface, a left surface, and a right surface for a user facing the kitchen hood 1. The second housing 200 may have a shorter length in the front and rear and left and right directions than the first housing 100 so as to be coupled to the inside of the first housing 100.

(0156) The suction grill 210 may be located on the left and right surfaces of the second housing 200. The suction grill 210 may be made of metal and may have a structure configured to filter contaminants from the air passing through the suction grill 210.

(0157) The second housing 200 may also include a steam cleaning assembly 600 (FIG. 11), which will be described later, configured to discharge steam for cleaning the interior of the kitchen hood 1. Steam cleaning may be performed automatically at regular time intervals, after cooking, or based on a user's command.

(0158) Referring to FIGS. 4A to 5, the fan 300 may be positioned within the upper portion of the first housing 100 so that the fan 300 is above the suction grill 210. The fan 300 may be operated to suck air through the suction grill 210. The shape, position, and direction of the fan 300 are configured such that air is sucked in through the suction grill 210, raised toward the fan 300, and discharged through the upper portion of the kitchen hood 1 (Or, if upper discharge is not possible, inhaled air may be discharged through the rear surface of the kitchen hood 1) The fan 300 is fixed to the upper portion of the first housing 100 Although it may have a position, the suction grill 210 may be raised or lowered by the sliding movement of the second housing 200.

(0159) The suction grill 210 can be released and separated from the second housing 200 for cleaning or repair, and the suction grill 210 notifies the user to clean the suction grill 210 You can have an additional contamination sensor or a dust sensor. The suction grill 210 may be configured to be washable in a dishwasher. A through hole or an opening 210a through which the suction grill 210 may be accommodated to be coupled to the second housing 200 may be formed on the left and right surfaces of the second housing 200. The opening 210a may be partially formed on the bottom surface of the second housing 200, and the suction grill 210 is bent and extended from the side surface configured to be coupled to the opening 210a. I can have it. The suction grill 210 may be coupled to the second housing 200 through magnetic coupling. Details of the suction grill 210 and the fan 300 will be described in more detail below with reference to FIGS. 11 and 12.

6 and 7, the kitchen hood 1 may be mounted on the kitchen wall through the bracket 2. The bracket 2 may have a rectangular shape and include a plate 10 configured to be screwed to a wall. The rear surface of the plate 10 may include at least one spacer or protrusion 40 to form a space such that the plate 10 is spaced apart from the wall so that the plate 10 does not damage the wall. The spacer 40 may be deformed by an abnormal curved surface on the wall so that the front surface of the plate 10 is flat. The plate 10 may be made of a metal material. The spacer 40 may also be made of a metal material or may be integrally formed with the plate 10. Alternatively, the spacer 40 may be formed of an elastic material (eg, plastic) or an elastic material (eg, a cushion or foam material) so as not to damage the wall.

(0161) A mounting hole may be formed to pass through the plate 10 and the spacer 40, and the spacer 40 may alternatively be referred to as a mount. A screw or bolt may be inserted into the mounting hole to fix the plate 10 to the wall. A plurality of spacers 40 may be spaced apart in a vertical direction so that the plate 10 can be fixed to the wall at a plurality of positions. For example, the spacer 40 and a pair of mounting holes may be formed in the upper part, the middle part, and the lower part of the bracket 2.

(0162) At least one bracket hook 30 may extend from the front side of the plate 10. The bracket hook 30 cuts a part of the plate 10 so that the plate 10 and the bracket hook 30 are integrated, selectively heats the part, and the part is bent upward. It can be formed by doing. Alternatively, the bracket hook 30 may be made separately and then bonded to the plate 10 (eg, bonded or welded) to be formed.

(0163) The rear surface of the first housing 100 may be coupled to at least one hook 20 (or otherwise formed integrally). It can be flat to be bonded (attached, screwed, bonded or fused to the back) Alternatively, if the rear surface of the first housing 100 is slightly curved, the front surface of the hook 200 may have a corresponding curvature so that it can be mounted.

(0164) The hook 20 may be hooked on the bracket hook 30 of the bracket 2. The bracket hook 30 is oriented so as to extend upward, but the hook 20 mounted on the first housing 100 may be oriented to extend downward so as to be hooked on the bracket hook 30. The hook 20 may extend to cross most of the left and right directions of the first housing 100.

(0165) A plurality of hooks 20 may be configured to hang on a plurality of the bracket hooks 30. There may be a predetermined distance between the hooks 20, and the bracket hooks 30 may also be spaced apart by a predetermined distance. There may be one bracket hook 30 on the upper part of the plate 10, and another hook 20 may be coupled to the upper part of the rear surface of the first housing 100, and another hook ( 20) may be coupled to a lower portion of the rear surface of the first housing 100.

(0166) When air is discharged to the rear surface of the first housing 100 instead of the upper surface, openings are formed in the plate 10 between the bracket hooks 30 to provide discharge of the sucked air to the outside. I can. Alternatively or in addition, the plate 10 may be formed to have openings other than the bracket hook 30 and the hook 20 may be hooked to the openings.

(0167) Referring to FIGS. 8 to 10, the first housing 100 may include an outer case or an outer housing 110 and an inner case or an inner housing 120. The outer case 110 may define the exterior of the kitchen hood 1 and may include an outermost surface of the kitchen hood 1. The outer case 110 may include a hook 20 mounted on the bracket 2 (Fig. 7).

(0168) The second housing 200 may slide into and out of the inner housing 120. The inner housing 120 is an air quality (AQ), which will be described below with reference to FIG. It may include a sensor.

(0169) The outer housing 110 is configured to display air quality information, lighting information, cleaning information, temperature information, other operation information, or a proposal for the user's steam cleaning or separation of the suction grill 210, the display 130 ) Can be included. The inner housing 120 may be formed to have a display mount or a display space 130a in which the display 130 including the circuit for the display 130 is located.

(0170) The outer housing 110 may include a door 111 hinged to the inner housing 120. The outer housing 110 may be formed of four rectangular panels mounted on the front, rear, left and right sides of the inner housing 120. The door 111 may be a panel (for example, a left panel) hinged to the edge of the inner housing 120 through at least one hinge 114. The door 111 may include a hook or latch 113 that fixes the door 111 in a closed state. The hook 113 may be hooked or clipped to a corresponding groove or latch in an inner edge of the outer housing 110 and/or an outer edge of the inner housing 120. Alternatively or additionally, the door 111 may be fixed in a closed state through magnetic coupling.

(0171) The inner housing 120 may include an opening 112a through which the inside of the inner housing 120 may be exposed and a space 112b adjacent to the opening 112a. Devices inside the inner housing 120 (for example, the fan 300) are repaired and/or replaced by opening the door 111 on the outer housing 110 and working through the opening 112a. Can be. The inner surface of the door 111 is a protrusion or seal 112 coupled to the inside of the opening 112a or configured to seal the space 112b formed around the opening 112a and close the opening 112a It may include. The inner surface of the door 111, or at least the seal 112, may include rubber, cushion, or other soft and elastic material. The length, width, and depth dimensions of the protrusion 112 of the door 111 are the same as or slightly equal to the length, width, and depth dimensions of the space 112b and/or the opening 112a of the inner housing 120. small. When the door 111 is closed, the protrusion 112 may cover the opening 112a, and air, steam, dust, or other contaminants permeate through the opening 112a and the outer housing 110 ) And the inner housing 120 to prevent being caught between them.

(0172) The second housing 200 may include a door or cover 220 (front plate) having a handle 221 (for example, a push button or groove). The cover 220 may be separated from the second housing 200 to expose an opening or a container passage 220a into which the liquid storage container 610 described with reference to FIG. 11 is inserted. The cover 220 may be located in front of the lower housing 200, and the liquid storage container 610 may be separated when the second housing 200 is lowered. As will be described in more detail with reference to FIG. 24 in FIGS. 11 and 17, water and/or cleaning liquid is placed on a tray, heated, and a device (e.g., internal Steam cleaning for cleaning the inside of the housing 120, the fan 300, etc.) is performed automatically or periodically, after a predetermined cooking frequency, or additionally, according to the user's instruction It can occur based on the level. Residues or condensed water generated during steam cleaning may be guided back to the liquid storage container 610 to be discarded.

(0173) An additional fire emergency assembly 800 may be located under the second housing 200 to detect and extinguish a fire. Details of the fire emergency assembly 800 will be described in more detail with reference to FIGS. 17 to 20.

(0174) Referring to FIGS. 11 and 12, the second housing 200 may slide into and out of the first housing 100 through the sliding assembly 400. The sliding assembly 400 includes at least one first rail 410 located on the inner surface of the inner housing 120 and at least one second rail 420 located on the outer surface of the lower housing 200 can do. The second rail 420 may slide into and out of a groove, a slot, or a guide formed in the first rail 410, and the first and second rails 410 and 420 may be otherwise referred to as arm and wagon rails, respectively. I can. Alternatively, the second rail 420 may have a groove, a slot, or a guide that slides around the first rail 410. The sliding assembly 400 is a drive assembly 450 for automatically raising and lowering the second housing 200 relative to the first housing 100 (for example, a motor, an actuator, a pneumatic or hydraulic pump, or a rack). And pinion). Details of the sliding assembly 400 will be described with reference to FIGS. 13 to 16.

(0175) The panels forming the outer housing 110 have a rectangular shape having a curved edge portion. The panels of the outer housing 110 may be slightly longer and wider than the side surface of the inner housing 120 so as to surround the inner housing 120. The panels of the outer housing 110 may be snap-connected to each other. Alternatively or in addition, the panels of the outer housing 110 may be fixed (eg, screwed, attached, fused, glued or welded) to the side surface of the inner housing 120. The door 111 may not be attached to the inner housing 120, and instead may be hinged to the edge of the outer housing through a hinge structure 114 or a hinge. As an example. The inner housing 120 may have a shaft or pinion protruding from an edge, and the outer housing 110 may have a hinge knockle or bracket configured to rotate around the shaft or pinion of the inner housing 120 . In another embodiment, the outer housing 110 may have a shaft or pinion protruding from an edge and inserted into a hinge bracket protruding from the edge of the inner housing 120. In another embodiment, the door 111 may be hinged to another panel of the outer housing 110 instead of being coupled to the inner housing 120. The embodiments disclosed herein are not limited to such a hinged connection.

(0176) The air quality (AQ) sensor assembly 500 may be located on at least one side (eg, left side surface) of the inner housing 120 or the outer housing 110. The air quality sensor assembly 500 may include a sensor that detects dust, oil, smoke, odor, carbon monoxide, carbon dioxide, and other harmful gases or substances in the air. The height adjustment of the second housing 200, the operation of the fan 300, and/or the steam cleaning operation may be based on what is sensed by the air quality sensor assembly 500. The outer housing 110 may have an opening or a through hole so that air, dust, smoke, oil, etc. reach the air quality sensor assembly 500. For example, the air quality sensor assembly 500 may be located on the left side of the inner housing 120 so as to be behind the door 111, and the door 111 is a through hole aligned with the air quality sensor assembly 500 or It can have an opening. The air quality sensor assembly 500 will be described in more detail with reference to FIGS. 23A, 23B, and 25A.

(0177) Side surfaces of the inner housing 120 may define an upper opening. The upper opening of the inner housing 120 may be at least partially covered by first and second upper frames 141 and 142 coupled (eg, welded or press-fit) to the upper portion of the inner housing 120. The first and second upper frames 141 and 142 may be coupled to each other to form the first housing upper frame 140. The first upper frame 141 may be made of a metal or hard plastic material fixed to an upper portion of the inner housing 120 to provide rigidity, while the second upper frame 142 is It can be made of rubber or other elastic material coupled to the inside of the groove formed in the bottom of the frame 141, the second upper frame 142 as a seal, gasket or cushion for the upper portion of the second housing 200 Can play a role.

(0178) The first upper frame 141 may include a through hole or an opening 141a, and the second upper frame 142 may include a through hole or an opening 142a. When the first and second upper frames 141 and 142 are coupled to the upper portion of the inner housing 120, the openings 141a and 142a of the first upper frame 141 and the second upper frame 142 are It may be aligned to form the upper opening 140a. Inhaled air may be discarded or discharged through the upper opening 140a. An external discharge duct or tube may be coupled to the upper frame 140 of the first housing and communicate with the upper opening 140a so that the sucked air may be discharged to the external space. Alternatively or in addition to, an exhaust grill or replaceable filter may be formed or positioned in at least one of the openings 141a and 142a.

(0179) Additional wire through holes are formed in the first upper frame 141 and the second upper frame 142, and the fan 300, the air quality sensor assembly 500, the display 130, and the sensor assembly ( Electricity may be supplied to 700), the sliding assembly 400, and the steam cleaning assembly 600. The wire may be coupled to a terminal positioned on the upper or side of the first housing 100 (for example, the inner or lower portion of the upper frame 140 of the first housing or the rear surface of the inner housing 120). E) The terminal may be configured to receive an external power source from a commercial power source (eg, a socket on a wall) and may include a socket and a plug to which a cable can be connected.

(0180) The fan 300 may be a centrifugal fan that sucks air in an axial direction and discharges air in a radial direction. For example, the fan 300 may be a linear radial fan, a front curved fan, or a rear curved fan. The fan 300 may be positioned so that the axial direction of the fan 300 is aligned in the front-rear direction, but embodiments disclosed herein are not limited thereto. The wings of the fan 300 may have a shape and an angle to reduce noise in the air suction and discharge boxes.

(0181) The fan 300 may be located in the fan housing 310. The fan housing 310 may serve as an air guide, may extend in a spiral shape, and may be configured to guide air to be discharged upward from the fan 300. The fan housing 310 may be fixed to the bottom surface of the second upper frame 142 at the center so as not to interfere with the sliding movement of the second housing 200, and the first upper frame 141 It may be located on the upper portion of the second upper frame 142 to further seal the upper portion. Directions of the fan 300 and the fan housing 310 may be configured such that exhausted air is guided through the openings 141a and 142a of the first housing upper frame 140. If upper discharge is not possible, an adapter may be used to close the upper opening 140a, and a rear adapter plate (not shown) may be removed for discharging through the rear.

(0182) The length of the fan housing 310 in the front-rear direction may be greater than or equal to the length of the front-rear direction of the fan 300 to protect the fan and guide the exhausted air. The upper portion of the fan housing 310 may be larger in a left-right direction and a front-rear direction than a left-right length and a front-rear length of the first and second openings 141a and 142a of the first housing upper frame 140. The upper part of the fan housing 310 is one side (for example, the left side surface) to uniformly guide the air discharged to the outside of the first and second openings 141a and 142a of the first housing upper frame 140. It may include a slope extending upward from the center of the fan 300 toward ).

(0183) The second housing 200 may define an upper opening. The first and second upper frames 241 and 242 may be coupled (eg, press-fit or welded) to the upper portion of the second housing 200. The first and second upper frames 241 and 242 may be coupled to each other to form the second housing upper frame 240. The second upper frame 242 may be coupled (eg, welded or press-fit) to an upper edge or rim of the second housing 200 to provide rigidity to the second housing 200, and 1 The upper frame 241 may be coupled into a groove positioned above the second upper frame 242. When the second housing 200 is completely inserted into the first housing 100, the first upper frame 241 is formed of an elastic material (for example, rubber) or a cushion to serve as a cushion, a seal, or a gasket. Can be made with When the second housing 200 is completely inserted into the first housing 100, the second housing upper frame 240 may contact the first housing upper frame 140, and also collide or contact The noise can be reduced during. The second upper frame 142 of the first housing 100 forms a seal, and air, steam, dust, or other foreign matter enters the space between the first and second housings 1000 and 200. It may have a groove in which the rim of the first upper housing 241 of the second housing is positioned so as to prevent the air or steam from escaping. Each of the upper frames 241 and 242 allows the fan housing 310 to pass through the upper frames 241 and 242 and the openings 141a and 142a of the first and second upper frames 141 and 142 of the first housing 100. ) May have a large through-hole or an opening so as not to be obstructed from discharging the air sucked by the fan 300 to the outside.

(0184) The steam cleaning assembly 600 may be located inside the second housing 200. The steam cleaning assembly 600 may include a liquid storage container 610 into which water, detergent, chemicals, or other cleaning liquid may be inserted. The liquid storage container 610 may be inserted or separated into a container guide 611 formed at the bottom of the second housing 200. The container guide 611 may be a rectangular frame defining a container passage 220a, which is an opening into which the liquid storage container 610 is inserted. The tip frame or plate 613 may be located in front of the liquid storage container 610. The tip frame 613 may be coupled to the cover 220.

(0185) The water or aqueous solution provided in the liquid storage container 610 may be heated by a steam generator 612 (FIG. 19) to generate steam. The generated steam may be delivered to a steam distributor 670 located at an upper portion of the inner housing 120 to clean the inside of the fan 300 and the inner housing 120. The steam distributor 670 may be in the shape of a tube or pipe having a square or ring shape coupled to the upper portion of the steam cleaning assembly 600 or alternatively to the inner surface of the second housing 200. Alternatively, the steam distributor 670 may have a U shape or a ┗┛ shape, where the opening faces the front of the second housing 200. Alternatively, the steam distributor may be formed like a hollow rectangular frame or a shower head. The shape and configuration of the steam distributor 670 are not limited.

(0186) A tube or channel 671 (FIG. 13) having a predetermined shape can connect the steam distributor to the steam generator 612 (FIG. 19), so that steam is transferred to the steam distributor 670 through the tube 671. You can move. Alternatively, the tube 671 may be a pipe. The steam distributor 670 may have a plurality of through holes or nozzles 672 (FIG. 16) through which steam can be discharged to clean the interior of the inner housing 120. Depending on design requirements, the cross-sectional shape of the tube may be circular, square, polygonal, triangular, or the like.

(0187) The steam cleaning assembly 600 may include a condensate guide or collector 650 configured to guide condensed water and other residues to be collected and to return the condensed water to the liquid storage container 610 to be discarded. The left and right sides of the condensed water guide 650 may have a general inner slope from the top to the bottom to guide the downward flow and return of the liquid to the liquid storage container 610. The front plate and the rear plate 653 of the condensed water guide 650 may be coupled to an upper portion of the inner surface of the second housing 200 (eg, screwed, pressed, bonded, or welded). The rear plate 653 may be spaced apart from the inner surface of the first housing 100 to provide a space for the tube 671, or alternatively formed to have a space in which the tube 671 can be located. Can be.

(0188) The left and right sides of the condensed water guide 650 may include a plurality of tabs or ribs 651 spaced apart from each other along a general slope defined by the condensed water guide 650. The tab 651 may be similar to a staircase and may extend between the front or rear plates 653 of the condensate guide 650. The tabs 651 may be spaced apart from each other in a vertical direction, and the tabs 651 may not overlap each other in a vertical direction or may at least partially overlap each other in a vertical direction. The tabs 651 may have a slight downward slope to guide the condensate down. Alternatively, the tabs 651 may extend in a horizontal direction. The tabs 651 will be described in more detail with reference to FIGS. 17 to 20.

(0189) A damper assembly 662 may be located under the condensate guide 650. The damper assembly 662 may include a damper 660 and a gear 661 to be described below that rotates the damper 660. The first condensed water passage 662a is located inside the damper assembly 662. The bottom plate 655 of the condensed water guide 650 may be located above the damper assembly 662 to close the upper opening of the damper assembly 662, and the bottom plate 655 is the first condensed water passage ( It may have a through hole or an opening 650a aligned with the 662a). The bottom plate 655 is slightly inclined toward the opening 650a to guide the condensed water toward the opening 650a so that condensed water falls into the first condensed water passage 662a and eventually goes to the liquid storage container 610. It can be built or curved.

(0190) An additional liquid guide 663 may be located between the damper assembly 662 and the container guide 611, and an additional second condensate passage 663a is the first of the damper assembly 662. It may be located in the liquid guide 663 at a position aligned with the condensed water passage 662a. The height of the liquid guide 663 and the condensed water passage 662a may be configured such that there is a continuous passage from the opening 650a of the condensed water guide 650 to the liquid storage container 610 inserted into the container guide 611. .

(0191) The container guide 611 may define a container passage 220a, which is an opening into which the liquid storage container 610 is inserted, and the liquid storage container 610 slides inside and outside the container guide 611 Can be. The second condensed water passage 663a may communicate with the open upper portion of the container guide 611, or alternatively, if the liquid guide 663 is omitted, the first condensed water passage 662a is It can communicate with the open upper part of the container guide 611. The opening 650a of the condensed water guide 650 and the first and second condensed water passages inside the damper assembly 662 and the liquid guide 630 ( 662a, 663a) can be guided down.

(0192) The damper assembly 662, the liquid guide 663, and the container guide 611 may all be rectangular frames having an open top, but embodiments disclosed herein are not limited thereto. The damper assembly 662 and the liquid guide 663 may be integrally formed as a single frame, or may be formed separately and combined later.

(0193) The inner surface of the second housing 200 may include a curved portion 652 that is curved inwardly under the condensate guide 650 on a left side and a right side. The curved portion 652 may have an inward curved surface or an inclined from top to bottom so that the condensed water that has been erroneously delivered is guided downward. The lower portion of the curved portion 652 may have an opening into which the upper portion of the suction grill 210 is inserted, and the curved portion 652 may support the upper portion of the suction grill 210.

(0194) The damper 660 (e.g., butterfly, guillotine, louver, or vane type) is to be located between the lower portion of the curved portion 652 and the lower portion of the damper assembly 662. I can. The damper 660 may be configured to open and close a suction passage defined between the left and right surfaces of the steam cleaning assembly 600 and the second housing 200. When the damper 660 is closed, it may be inclined inward from top to bottom. A gear 661 may be located inside the damper assembly 662 to open, partially open, and close the damper 660. There may be an additional wall or frame inside the damper assembly 662 to surround and protect the gear 661.

(0195) The degree of opening of the damper 660 can be adjusted during the steam cleaning, and the fan 300 is directed toward the end of the steam cleaning process, the fan 300, the fan housing 310, and the inner case 120 ) And the upper portion of the second housing 200 may be operated to suck steam upward. Alternatively, the damper 660 may be closed during steam cleaning to prevent oil and dust remaining on the suction grille 210 from rising upward and to capture erroneous residues falling through the tab 651. have. At least one damper 660 may be opened or partially opened during air cleaning or purification when the fan 300 is operating. More details of the steam cleaning assembly 600 will be described later with reference to FIGS. 20 to 24.

(0196) The suction grill 210 may be located at a lower portion of side surfaces (eg, left and right surfaces) of the second housing 200. The suction grill 210 may be made of metal and may be formed of a plurality of curved or semi-cylindrical slats or tabs arranged in a vertical direction to resemble a window blide. There may be a plurality of layers or grilles formed of semi-cylindrical slats in the left and right directions. For example, FIG. 12 shows a first or inner grille of a semi-cylindrical slat and a second or outer grille of a semi-cylindrical slat.

(0197) From the outside, the outer grill of a semi-cylindrical slat may appear to have a convex curvature, while the inner grill of a semi-cylindrical slat may have an opposite curvature. The front and rear cross-sections of the inner grill of the semi-cylindrical slat may have a ⊂ shape, while the front and rear cross-section of the outer grill of the semi-cylindrical slat may have a ⊃ shape. The semi-cylindrical slats of the inner grill may alternate with the semi-cylindrical slats of the outer grill. The shape of the suction grill 210 may be configured to capture foreign substances (eg, oil or fine dust) from the sucked air.

(0198) The lower portion of the second housing 200 may include a sensor assembly 700 that senses the height of the cookware on the stove under the kitchen hood 1. The height adjustment of the second housing 200 and/or the operation of the fan 300 may be based on what is sensed by the sensor assembly 700. The sensor assembly 700 may detect how close the user is to the kitchen hood 1 and emit light or operate the fan 300 based on how close the user is. Details of the sensor assembly 700 will be described below with reference to FIGS. 26 and 27.

13 to 16, the sliding assembly 400 may be automatically operated by the driving assembly 450. The operation of the driving assembly 450 may be based on the air quality (AQ) sensor assembly 50 or the sensor assembly 700 (Fig. 11) detected by the start of the steam cleaning operation, or input by the user. It can be based on the instructions given.

(0200) At least one first rail 410 may be coupled (eg, screwed, attached, bonded, or welded) to the inner surface of the inner case 120. There may be four first rails 410 positioned near the edge of the inner case 120. For example, one first rail 410 may be positioned at a left portion of the front or side of the inner case 1200, a right portion of the front or side, a left portion of the rear or side, and a right portion of the rear or side, However, the embodiments disclosed herein are not limited to the number and position of the described first rail 410. As an alternative embodiment, one first rail 410 may be located at the center of the rear of the inner case 120, and another first rail 410 is located at the center of the front of the inner case 120 Can be. In another alternative embodiment, one first rail 410 may be located at the center of the left surface or side of the inner case 120, and another first rail 410 may be the first rail ( It may be located in the center of the right surface or side surface of the inner case 120 so that 410 is on the left side and the right side. Depending on the structural rigidity of the first rail 410 and the second rail 420, there may be only one first rail 410 (for example, on the rear surface).

(0201) At least one second rail 420 is coupled to the outer surface of the second housing 200 at a position corresponding to the first rail 410 so as to be coupled to the first rail 410 (for example, Screwed, attached, glued, or welded). In the example of the four first rails 410 positioned near the edges of the inner case 120, there may be four second rails 420 positioned near the edges of the second housing 200. . For example, one second rail 420 may be located on the left side of the front side, the right side of the front side, the left side of the rear side, and the right side of the rear side, respectively. 420) is not limited to the number and position described.

(0202) The first rail 410 may be formed as a rectangular frame or bar having a groove. The entire second rail 420 may be coupled into the groove of the first rail 410, or alternatively, the second rail 420 is configured to be coupled within the groove of the first rail 410 It may include a protrusion having a. As another alternative example, the second rail 420 may include a groove, and an additional protrusion of the first rail 410 and/or the first rail 410 is the second rail 420 It can be configured to slide within the groove of. The shapes and contours of the first and second rails 410 and 420 are not limited.

(0203) The upper part of the first rail 410 prevents the second housing 200 from sliding upwards too much and also prevents the possibility that the upper frame of the housing collides, It may have an additional ledge or stopper to prevent 650 from colliding. The second rail 420 may be formed as a solid bar and may have a rigid upper surface configured to collide with the stopper of the first rail 410 to prevent further upward movement.

(0204) The lower portion of the first rail 410 prevents the second housing 200 from being separated from the first housing and helps support the second housing 200 in a fully extended state. Additional jaws or stoppers may be included. The jaw may be provided at a position that does not interfere with the upward movement of the second rail 420 (for example, from the side). An upper portion of the second rail 420 may have a hook or a protruding rim configured to be hooked on a jaw positioned under the first rail 420 in a fully extended state.

(0205) The drive assembly 450 may be located in the inner case 120, which is a position that does not interfere with the first rail 410 (for example, between two first rails 410). The drive assembly 450 may include a housing 454 coupled to the side of the first rail 410 (on the rear side or, as another example, on the side of a single first rail 410 located in the center). I can. Alternatively or in addition to this, the drive assembly 450 may be coupled (eg, bonded, welded or screwed) to the rear inner surface of the inner case 120. The housing 454 may include a driving source 453 (eg, at least one motor, actuator, or hydraulic or pneumatic pump) configured to lift the second housing 200. For convenience of explanation, the drive source 453 will be described as a motor that provides rotational motion.

(0206) The motor 453 may rotate a shaft or pinion coupled to the gear 452. The rack 451 may be located outside the rear surface of the second housing 200. Positions of the housing 454, the motor 453, the gear 452, and the rack 451 may be configured such that the gear 452 is aligned with the rack 451. The gear 452 may have teeth formed on an outer circumferential surface, and the rack 451 may be formed to have a groove or teeth configured to engage with the teeth of the gear 452. When the motor 453 rotates the gear 452 in the first direction (eg, clockwise), the tooth of the gear 452 can press the tooth of the rack 451 in a downward direction, and The second housing 200 may descend. When the motor 453 rotates the gear 452 in a second direction opposite to the first direction (for example, counterclockwise), the value of the gear 452 is It is pushed upward, and the second housing 200 may be raised or lifted. The upper or lower end of the rack 451 may have an additional jaw or stopper, respectively, to prevent the rack 451 from being coupled and separated from the gear 452.

(0207) There may be two gears 452 and two racks 451 so that the rise and fall of the second housing 200 can be stably and safely. There may be two motors 453 capable of simultaneously operating so that each gear 452 is rotated at the same speed. Alternatively, the same motor 453 may rotate each gear 452 in order to match the speed of the gear 452 and reduce the weight of the drive assembly 450. The embodiments disclosed herein are not limited to two gears 452 and two racks 451, and a plurality of gears 452, racks 451 and/or motors are further included in the second housing 200. It can be provided for better fixation and support. As another alternative example, there may be only one rack 451, one gear 452 and one motor 453.

(0208) The rear surface of the second housing 200 may include a rectangular bar or protrusion 231 and an upper jaw 232. There may be two bars 231 formed on left and right sides or edges of the rear surface of the second housing 200 and two upper jaws 232 on the upper portions of the two bars 231. The number of the bar 231 and the upper jaw 232 may be the same as the number of the second rail 420.

(0209) The second rail 420 may be coupled to the bar 231 at the lower portion of the upper jaw 232 so that the upper portion of the second rail 420 contacts the bottom of the upper jaw 232. have. When a stopper or a jaw is formed on the upper portion of the first rail 410 so as to protrude forward, the stopper or jaw of the first rail 410 is It may be seated on the upper part of the jaw 232. The protruding length of the upper jaw 232 may be less than or equal to the front and rear length of the second rail 420. The left and right lengths of the upper jaws 232 may be less than or equal to the left and right lengths of the grooves formed in the first rail 410 so as not to obstruct the sliding movement.

(0210) The rack 451 may be located on the rear surface of the second housing 200 at a position adjacent to the bar 231, and the housing 454 interferes with the elevation of the second housing 200 It may be located between the racks 451 so as not to do so. The gear 452 may protrude in the left and right directions from the housing 454 to align with the rack 451.

(0211) As shown in FIG. 16, the housing 454 may cover the gear 452 and extend toward the bar 231 to engage the first rail 410, and the The housing 454 may include a tip opening or a through hole through which the gear 452 is exposed to be coupled to the rack 451. The housing 454 may additionally have left and right openings or through holes, and an additional gear cover 452a may be located on the side of the gear 452 to protect the gear 452. The gear cover 452a may rotate together with the gear 452. The gear cover 452a is not flush with the side surface of the housing 454 so that the bar 231 and/or the first rail 410 interfere with the rotation of the gear 452 and the gear cover 452a. I never do that. Alternatively, if the housing 454 is mainly coupled inside the rear surface of the inner case 120 and is not coupled to the first rail 410 so as to be spaced apart from the bar 231 in the left and right direction, the gear cover 452a ) Is flush with the side surface of the housing 454.

(0212) As another alternative example, the housing 454 of the sliding assembly 400 is external to the first housing 100 so as to be closer to the mounting bracket of the kitchen hood 1 for added support. It may pass through the inner case 120 to be fixed to the inner surface of the case 110. The inner case 120 may include an opening through which the housing 454 protrudes so that the rack 451 fixed to the second housing 200 and the gear 452 are coupled. Although FIG. 16 shows the hook 20 located below the housing 454, alternatively or in addition to it, the hook 20 is the center of gravity of the housing 454 to better support the housing 454. It may be provided at a height corresponding to the height of.

(0213) Referring to FIG. 17 to FIG. 20, the liquid storage container 610 may be configured to slide into and out of the container guide 611. The container guide 611 may be positioned at a lower portion of the second housing 200 to define a passage having a left and right length greater than or equal to the left and right length of the liquid storage container 610. The container guide 611 may be formed to have a ┗┛-shaped (or otherwise U-shaped), but embodiments disclosed herein are not limited thereto. The liquid storage container 610 may be a rectangular container (or alternatively a cylindrical container) having an upper opening. The lid 614 may be positioned to be close to the upper opening of the liquid storage container 610.

(0214) The lid 614 may be located above the liquid storage container 610 during steam cleaning. The lead 614 is formed with a guide 614a that may be an inclined portion inclined downward from the top of the lead 614. There may be an opening 614b formed below or adjacent to the guide 614a. The opening 614b may extend between a lower portion of the guide 614a and an upper portion of the lid 614. The guide 614a may be in communication with the lower part of the second condensed water passage 663a (Alternatively, if the liquid guide 663 is separated, the lower part of the first condensed water passage 662a) and the condensate collector 650 ) And the first and second condensed water passages 662a, 663a, and the collected condensed water is guided to the liquid storage container 610 through the guide 614a and the opening 614b of the lid 614. Can be guided down.

(0215) The left and right lengths of the container guide 611 may be shorter than the left and right lengths of the entire front surface of the second housing 200 and/or the distance between the suction grills 210. The suction grill 210 so that air is efficiently sucked through the suction grill 210 and discharged through the upper portion of the first housing 100 on the side (eg, left or right side) of the container guide 611 It can be spaced apart by a predetermined distance from.

(0216) The front frame 613 and the cover 220 may have a larger left and right length than the left and right length of the container guide 611 and may extend between the left and right sides of the lower housing 200. The cover 220 may have a handle 221 (for example, a button or a groove), and the tip frame 613 may have a space for accommodating the rear surface of the handle 221. The user can pull the handle 221 to slide the liquid storage container 610 from the container guide 611.

(0217) The user may fill the liquid storage container 610 with water, chemicals, detergent, or other cleaning liquid. The liquid storage container 610 may have an additional wall to separate the liquid storage container 610 into two or more bins or portions. For example, the liquid storage container 610 may include a first container or a liquid distributor 610a and a second container or a condensate water collector 610b. The first barrel 610a may be provided at a position adjacent to the steam generator 612 (ie, at the rear end), while the second barrel 610b is a position aligned with the guide 641a of the lead. It can be provided (ie, at the tip). The cleaning liquid may be filled in the first container 610a, while condensed water may be guided downward and collected in the second container 610b.

(0218) At least one of the container guide 611 or the liquid storage container 610 may have an additional water level sensor for detecting the amount of liquid located in the liquid storage container 610. For example, the container guide 611 may have a weight sensor. As another example, the liquid storage container 610 may have a capacitive sensor. The embodiments disclosed herein are not limited thereto. The operation of the steam generator 612 may be based on the amount of water detected by the additional water level sensor. For steam cleaning, a sufficient amount of liquid (for example, 350-400ml) is placed in the liquid storage container 610, the second housing 200 is inserted into the first housing 100, and the damper ( 660) may not start until it is closed.

(0219) The rear end of the first cylinder 610a may have a seal or nozzle 615 configured to be opened or closed. The steam generator 612 (for example, a heater) may be located inside the second housing 200 behind the container guide 611, or alternatively, a container guide behind the liquid storage container 610 It may be located inside the 611. The steam generator 612 may have a protrusion 617 having an opening 617a configured to be coupled to the seal 615. The seal 615 may be formed of an elastic material (eg, rubber) and may have an opening configured to be closed in an initial state or a rest state. The protrusion 617 may be press-fitted into the opening of the seal 615 to open the seal 615, and liquid from the liquid storage container 610 to the steam generator 612 through the opening 617a. Let's go in. Alternatively or additionally, at least one of the seal 615 or the opening 617 may have a valve configured to be opened or closed.

(0220) During steam cleaning, the liquid entering the steam generator 612 is heated. The steam generator 612 may be coupled to the steam distributor 670 through the tube 671. The steam generated by the steam generator 612 may rise to the tube 671 and enter the inside of the steam distributor 670. The tube 671 may have left and right lengths longer than the front and rear lengths so that steam can be dispersed when entering the steam distributor 670.

(0221) The steam distributor 670 may be similar to a rectangular or rectangular frame to have a horizontal cross-sectional shape consistent with the horizontal cross-sectional shape of the second housing 200. Alternatively, the steam distributor 670 may be a ring. The inside of the steam distributor 670 may be hollow. The steam distributor 670 may have an opening in the center to reduce interference between the suctioned air moving upward and the condensed water falling downward. 16 to 20, the steam distributor 670 may cover only the periphery of the inner space of the second housing 200. The steam distributor 670 may be coupled to a front plate and a rear plate 653 of the condensate collector 650 under the fan 300. Alternatively, the steam distributor 670 may be fixed to the inner surface of the second housing 200 adjacent to the condensate collector 650.

(0222) Steam may enter the inner space of the steam distributor 670 through the tube 671. The steam distributor 670 and the tube 671 may be formed as a single tube or pipe, or alternatively may be separately formed and then combined. The nozzles 672 can be opened to expel steam and closed to collect steam. The nozzles 672 may be formed inside the steam distributor 670 to face the center of the housing. The nozzles 672 may be formed on the left and right inner surfaces of the steam distributor 670 and may be spaced at equal intervals. Alternatively or additionally, the nozzles 672 may also be formed inside the front and rear ends of the steam distributor 670.

(0223) The nozzles 672 may be formed of an elastic material (for example, rubber) configured to be opened based on the pressure inside the steam distributor 670. Alternatively or additionally, the nozzles 672 may have valves controlled based on an additional pressure sensor located in the steam distributor 670, and the pressure inside the steam distributor 670 When detected as level or higher, the nozzles 672 can be opened to automatically expel the steam. The steam may diffuse into the second housing 200. A part of the steam may rise to clean the inside of the fan 300, the fan housing 310, and the inner case 120 of the first housing 100, and a part of the steam may be generated by the condensate collector 650 ), and/or may be dropped to clean the interior of the second housing 200.

(0224) Steam can produce condensate, which can be captured by the condensate collector 650. Other falling objects (e.g., dirt or oil) may fall through the interior of the second housing 200 and/or the first housing or may flow down along the side and are trapped by the condensate collector 650 Can be.

(0225) The condensate collector 650 may be a guide having a plurality of tabs 651, front and rear plates 653, and inclined left and right sides defined by an upper opening. The upper part of the condensate collector 650 defining the upper opening is the left and right lengths and front and rear of the inner space of the second housing 200 so that falling dust, oil, or condensed water does not pass through the condensate It may have a left and right length and an anteroposterior length equal to or slightly smaller than the length.

(0226) The condensed water collector 650 may guide condensed water to the liquid storage container 610. The bottom plate 655 of the condensed water collector 650 may be formed to have an opening 650a through which condensed water is guided. The opening 650a may communicate with the opening of the first condensate passage 662a (FIG. 21), and the left and right lengths and front and rear lengths equal to or shorter than the left and right lengths and the front and rear lengths of the first condensate passage 662a Can have. The bottom plate 655 of the condensate collector 650 falls down through the first condensed water passage 662a and the second condensed water passage 663a inside each of the damper assembly 662 and the liquid guide 663. It may be selectively inclined or bent to guide the collected condensate and other liquid toward the opening 650a to enter the liquid storage container 610, for example, the bottom plate 655 of the condensate guide 650 May be inclined downward from the rear end to the front end at the position where the opening 650a is located, and/or may be inclined toward the center from the left and right sides at the position where the opening 650a is located.

(0227) The front and rear surfaces of the condensate collector 650 may be formed of a front plate and a rear plate 653a and 653b, respectively, which may have a rectangular and/or trapezoidal shape. The front side of the front plate 653a may be coupled to the front side of the second housing 200 (for example, screwed, attached, bonded, or fused), and the side surfaces of the front plate 653a are 2 It may be coupled to the left and right sides of the housing 200. The rear surface of the rear plate 653b may be spaced apart from the rear surface of the second housing 200 to allow space for the pipe 671, or alternatively may be coupled to the rear surface of the second housing 200, and In addition, it may be formed to have a space for accommodating the pipe 671. Side surfaces of the rear plate 653b may be coupled to left and right sides of the second housing 200.

(0228) The upper portion of the front plate and the rear plate 653 may be square or rectangular, and may extend between the left and right sides of the second housing 200. The lower portions of the front plate and the rear plate 653 may have a trapezoidal shape such that left and right lengths decrease from top to bottom. The lower ends of the front and rear plates 653 may be coupled to the damper assembly 662 which may be formed into a hollow rectangular frame.

(0229) The steam distributor 670 may be coupled to upper ends of the front plate 653a and the rear plate 653b. The rear plate 653b may have an opening inserted so that the upper end of the tube 671 is coupled to the steam distributor 670.

(0230) The rectangular side plate 654 may extend between the front plate and the rear plate 653. The side plate 654 may be coupled (eg, welded or bonded) to a lower portion of a rectangular or square portion of the front plate and the rear plate 653 so as not to interfere with the steam distributor 670. The side plate 654 may be coupled (eg, screwed, bolted, attached, bonded, or welded) to the left and right inner surfaces of the second housing 200, and alternatively, the left side plate And it can be called the right side plate.

(0231) The tabs 651 may extend between a lower portion or a trapezoidal portion of the front plate 653a and the rear plate 653b. The left and right lengths of the lower portions of the front plate 653a and the rear plate 653b have an inverted trapezoid shape and are reduced from top to bottom, so the tab 651 at the lowest position is above the highest tab 651 It may be closer to the center of the second housing 200.

(0232) The side bars or plates 653c may be formed at the edges of lower portions of the front plate 653a and the rear plate 653b so that they protrude inward. The tabs 651 may be formed or coupled to the sidebar 653c, thereby adding rigidity and stability to the tabs 651 and the entire condensate guide 650. The upper portion of the tab 651 at the highest position may be coupled to the lower portion of the side plate 654. The tab 651 in the lowest position may be coupled to the condensate guide 650 and/or the bottom plate 655 of the damper assembly 662. There may be an optional bar connected to the center of the tabs 651 to provide additional support and rigidity. The tabs 651 may be inclined slightly downward to guide the condensed water downward to the damper assembly 662.

(0233) The damper assembly 662 may have outer walls 666 and 667 forming a rectangular housing surrounding the motor and gear 661 for rotating the damper 660 (FIGS. 21 and 22 ). The first condensation water guide 662a (FIGS. 21 and 22) may be positioned so as not to interfere with the gear 661 and the motor.

(0234) The damper assembly 662 may also include inner walls 664 and 665 extending between the upper and lower surfaces of the damper assembly 662 at an inner position of the outer walls 666 and 667. The inner walls 664 and 665 may extend between the front end of the bottom plate 655 of the condensed water guide 650 and the lower portion of the damper assembly 662, and the first condensed water passage 662a may include the inner wall 664, 665). Alternatively or in addition, the inner walls 664 and 665 may be formed to partition the inside of the damper assembly 662 to protect the gear 661 and the motor from falling condensate. Although FIG. 17 is a cross-sectional view, FIGS. 18 and 19 show that the damper assembly has a front end wall 662F and a rear end wall 662R, so that the outer walls 666 and 667 and the front and rear end walls 662F and 662R are rectangular. It seems to form a housing. The tip wall 662F may cover the inner walls 664 and 665 and the first condensation water passage 662a (FIG. 21).

(0235) The first condensed water passage 662a (FIG. 21) may be located inside the damper assembly 662 under the opening 650a in the bottom plate 655 of the condensate collector 650. The damper assembly 662 may have an additional upper surface having an opening communicating with the opening 650a and the first condensation water passage 662a. The falling condensate may be guided downward through the damper assembly 662 and the liquid guide 663 through the first condensate passage 662a.

(0236) The outer wall 666.667 may define outer left and right sides of the damper assembly 662. When the dampers 660 are closed, the upper ends of the dampers 660 may be hinged to the lower portions of the outer walls 666 and 667 so that the upper ends of the dampers 660 contact the curved portion 652 of the inner surface of the second housing 200. . Details of the gears 661 and the dampers 660 will be described with reference to FIGS. 21 to 23B.

(0237) The liquid guide 663 may be a rectangular frame defining an upper opening located under the damper assembly 662. The lower part of the damper assembly 662 may be coupled to the liquid guide 663 to close the upper opening, and the first condensate passage 662a is a second It may be aligned with the condensate passage 663a. The left and right sides of the liquid guide 663 may include guides located under the lower end of the damper 660 to guide the condensed water falling into the damper 660 to the second condensed water passage 663a. .

(0238) The first condensed water passage 662a and the second condensed water passage 663a may be aligned with the guide 614a formed in the lid 614. The guide 614a is an inclined surface inclined downward from the top of the lead 614 so that an opening or a gap 614b can be formed between the bottom of the guide 614a and the top of the lead 614 It can be formed as Liquid or condensed water may flow into the liquid storage container 610 through the lower opening. The embodiments disclosed herein include a damper assembly 662, a liquid guide 663, and a condensate collector as long as there is a downward passage connecting the condensate collector 650 to the liquid storage container 610 and the lid 614. It is not limited to the described configuration of 650.

(0239) The lid 614 may cover the upper opening of the liquid storage container 610. There may be a jaw or a groove formed in an upper portion of the liquid storage container 610, and the lid 614 may be configured to be seated on the jaw so as to be fixed. The liquid storage container 610 may be configured to be slid on the bottom surface of the container guide 611 formed in the second housing 200 so as to be moved back and forth. The left and right inner sides of the container guide 611 and/or the bottom surface of the container guide 611 may include additional guide rails or guide grooves, and the left and right outer sides of the liquid storage container 610 The side and/or the lower surface of the liquid storage container 610 may include an additional guide groove or guide rail for guiding the slide operation of the liquid storage container 610.

(0240) The front end frame 613 of the liquid storage container 610 is defined in the container guide 611 and when the liquid storage container 610 is completely inserted into the second housing 200, the second It may be configured to cover the container passage 220a, which is an opening provided on the front end surface of the housing 200. The tip frame 613 may be coupled to the cover 220, and the cover 220 may include a handle 221. The front of the front end frame 613 may be concave to accommodate a groove or a cavity formed in the handle 221. The user can pull the handle 221 to separate the liquid storage container 610 from the container guide 611 and the second housing 200.

(0241) The liquid storage container 610 can be completely pulled out of the container passage 220a and the container guide 611 so that the condensed water collected in the second container 610b of the liquid storage container 610 can be discharged. In addition, water or other liquid may be filled in the first container 610a of the liquid storage container 610 from a sink or other water source. When the liquid storage container 610 comes out, the condensed water collected in the second container 610b of the liquid storage container 610 may be discarded. The seal 615 may be separated from the opening 617, and the seal 615 may be closed so that the liquid may be filled in the first container 610a of the liquid storage container 610, or Alternatively, the unused liquid can be discarded.

(0242) The additional fire emergency assembly 800 may extend from a rear end of the bottom surface of the second housing 200. The fire emergency assembly 800 may include a fire detector 820 and a liquid or foam hose or nozzle 810. The fire detector 820 may be a smoke detector, a gas detector (for example, a photoionization detector or PID), or a heat detector. When the amount of smoke or heat detected by the fire detector 820 reaches a predetermined level or higher, water, foam, or other extinguishing agent (e.g., carbon dioxide, dry chemical, wet chemical, halogen or A detergent or dry powder) may be ejected from the bottom through the foam nozzle 810. The foam nozzle 810 may be connected to an optional basin or a foam container provided inside the rear end of the second housing 200.

(0243) The sensor assembly 700 may be located at the center of the lower surface of the second housing 200. The lower surface of the housing 200 may include a space or slot in which the sensor assembly 700 is inserted and fixed. The sensor assembly 700 may include a proximity sensor 701 and a height sensor 702. The proximity sensor 701 may detect a distance of a user or another moving object from the kitchen hood 1. The height sensor 702 may be configured to detect the height of the cooking appliance placed on the stove. The proximity sensor 701 and the height sensor 702 may be implemented as a camera, a laser sensor, a radar sensor, a thermal sensor or an infrared sensor, an ultrasonic sensor, or the like.

(0244) The speed of the drive assembly 450 and the fan 300 of the sliding assembly 400 may be operated based on what is sensed by the height sensor 702. Adjustment of the height of the second housing 200 through the drive assembly 450 and the suction force through the speed of the fan 300 can be performed in various ways by a controller, and see FIGS. It will be described in more detail below.

(0245) The sensor assembly 700 may also include a lighting 703. The lighting 703 may be implemented with a printed circuit board (PCB) having a plurality of light emitting diodes 703a. (FIG. 27) The operation of the lighting 703 is detected by the proximity sensor 701. Can be based on things. When the user approaches the kitchen hood 1, the proximity sensor 701 can detect that the user is within a predetermined distance range, and the lighting 703 is the surrounding area of the kitchen hood 1 or the stove. Can be turned on automatically to illuminate. Alternatively or in addition to this, the lighting 703 may be operated based on the height sensor 702. When the height sensor 702 detects the cooking utensils located on the stove, the lighting 703 may be automatically turned on. The lighting 703 may selectively include sterilizing lighting on a printed circuit board including at least one ultraviolet light that disinfects the stove.

(0246) The sensor assembly 700 may include a case or a cover 704. The bottom surface of the cover 704 may be transparent or translucent, or may serve as a light diffuser, and the lighting 703 is formed on the bottom surface of the light by the lighting 703 on the bottom surface. It is oriented and positioned so that it can exit through. Alternatively, the cover 704 may have an opening, and the lighting 703 may be exposed through the opening. A transparent, translucent, or diffuse lens may be positioned in the opening under the illumination 703 to protect the illumination 703.

(0247) The rear end of the cover 704 may include a sensor mount 705 in which the proximity sensor 701 and the height sensor 702 are located. The sensor mount 705 may be inclined, and the proximity sensor 701 may be disposed at an angle capable of detecting a user's approach in the horizontal direction. The height sensor 702 may be directed downward to detect cooking utensils in the stove under the kitchen hood 1. The sensor mount 705 may be transparent or translucent so that the proximity sensor 701 and the height sensor 702 can exchange signals. Alternatively, the proximity sensor 701 and the height sensor 7020 may be radar sensors, and the sensor mount 705 may be opaque. In another alternative embodiment, the sensor mount 705 may be the sensor mount 705. The proximity sensor 701 and the height sensor 702 may include an opening through which ends may be exposed, and an optional transparent cover may be located in the opening. It may be coupled to the lower part of 200. More details of the sensor assembly 700 will be described with reference to FIGS. 25 to 27.

(0248) Referring to FIGS. 11 and 21 to 22, the steam cleaning assembly 600 is left to open, partially open, and close the air intake path from the suction grill 210 to the fan 300. And a damper 660 positioned on the right side. During the air discharging operation, at least one of the dampers 660 may be at least partially opened so that air is sucked upward toward the fan 300 and discharged to the outside of the first housing upper frame 140. During the steam cleaning operation, the damper 660 isolates the steam inside the first housing 100 and the second housing 200 so that the upper portion of the first housing 100 and the second housing 200 It may be initially closed to keep the steam dispensed from the steam generator 670. The damper 660 may be opened later when the fan 300 is operated.

(0249) The damper 660 may be rotatably coupled to the outer walls 666 and 667 of the damper assembly 662 through a hinge or a hinge structure 660a. The hinge 660a may be a shaft formed or coupled to an inner end of the damper 660, and may rotate within a bracket defined by a front end and a rear lower end of the outer walls 666 and 667. Alternatively, the hinge 660a may be a hollow hinge knuckle rotating around a pin or a shaft positioned at the lower end of the outer walls 666 and 667. However, coupling of the damper 660 to the damper assembly 662 may not be limited to the hinge structure.

(0250) Each damper 660 may be coupled to a rack or gear 668, which may have a circular arc shape (e.g., a semicircle). The rack 668 may include teeth that engage teeth located on the outer periphery of the gear 661 located inside the damper assembly 662. The outer walls 666 and 667 may have openings into which the rack 668 is inserted. The gear 661 may be coupled to a motor to rotate automatically. The steam cleaning assembly 600 may have left and right gears 661 located inside the left and right portions of the damper assembly 662, and each gear 661 is a left gear and a right gear 661 ) Can be coupled to their own motors so that they operate independently from each other. The damper assembly 662 may serve as a motor housing to protect the motor from steam and condensate, or may include a separate motor housing (for example, formed by the inner walls 664 and 665 in FIG. 17). have.

(0251) A passage or guide may be formed inside the liquid guide 663 at a position below the hinge 660a to collect condensate and other residues flowing down the damper 660. For example, the liquid guide 663 may be formed slightly wider than the damper assembly 662 (for example, to have a left and right length slightly longer than the left and right length of the damper assembly) at least one slit or An opening may be formed in the damper 660 at a position adjacent to the hinge, and the left and right walls of the liquid guide 663 may be located further outside the position of the slit in the damper 660. The inner surfaces of the left and right walls of the liquid guide 663 may have internal protrusions, inclined surfaces, or tunnels extending inward toward the center of the liquid guide 663, and fall through the slit of the damper 660 Condensate water can be guided under these guides. The guides may extend and/or communicate with the second condensed water passage 663a and/or the guide 614a of the lid 614. The upper surface of the damper 660 may be slightly inclined or curved toward the slit, and this may be referred to as a drain.

(0252) The kitchen hood 1 may be installed at the upper center of the stove, and the sensor assembly 700 may detect the left and right positions of cooking utensils on the stove. Alternatively or in addition, the air quality (AQ) sensing assembly 500 may be formed on both the left and right sides of the first housing 100. The air quality sensing assembly 500 may detect which side of the cooking utensil is located on the stove by comparing the pollution levels in the left and right sides. Based on the detected value from the sensor assembly 700 and/or the air quality sensing assembly 500, the damper 660 closest to the cooking utensil may be open or at least partially open, while the cooking utensil The damper 660 farthest from it may be closed or at least partially closed to increase the suction action closer to the cooking utensil. The operation of the damper 660 may be binary (eg, completely open or completely closed), or the degree of opening and closing may be continuously adjusted based on the position of the cooking utensil. An embodiment using the left and right dampers 660L and 660R will be described with reference to FIGS. 23A and 23B.

(0253) In order to open the damper 660, the gear 661 can be rotated in a first direction, and the rack 668 is configured when the damper 660 is parallel to the outer walls 666, 667. It may be moved inward toward the center of the damper assembly 662 so as to rotate the damper 660 inward. To close the damper 660, the gear 661 may be rotated in a second direction opposite to the first direction, and the rack 668 prevents further rotation of the damper 660 In order to be able to do so, it may be moved outward from the center of the damper assembly 662 to rotate the damper 660 outward until the outer end of the damper 660 contacts the curved portion 652.

(0254) The first condensed water passage 662a may be located between the outer walls 666 and 667 of the damper assembly 662 and may be formed by the inner walls 664 and 665, or alternatively, a separate rectangular frame or Although it may be formed as a pipe, the embodiments disclosed herein are not limited. Condensed water may fall through the first condensed water passage 662a so as not to interfere with the gear 661. The bottom plate 655 of the condensate collector 650 may be mounted on the upper rim of the damper assembly 662. The first condensed water passage 662a may be formed in the damper assembly 662. Alternatively, the first condensed water passage 662a may be a tube formed in the bottom plate 655 and may be inserted into the upper opening of the damper assembly 662 so as to coincide with the second condensed water passage 663a. .

(0255) Referring to FIGS.23A and 23B, the gear 661 located on the left may be referred to as the left gear 661L, and the gear 661 located on the right may be referred to as the right gear 661R. In addition, the damper 660 located on the left may be referred to as a left damper 660L, and the damper 660 located on the right may be referred to as a right damper 660R. The rack 668 coupled to the left damper 660L may be referred to as a left rack 668L, and the rack 668 coupled to the right damper 660R may be referred to as a right rack 668R.

(0256) The outer wall 666 defining the left outer surface of the damper assembly 662 may be referred to as the left outer wall 666, while the outer wall defining the right outer surface of the damper assembly 662 ( 667 may be referred to as the right outer wall 667. The curved portion 652 formed on the left inner surface of the second housing 200 may be referred to as a left curved portion 652L, and the curved portion 652 formed on the right inner surface of the second housing 200 ) May be referred to as the right curved portion 652R.

(0257) The left gear 661L and the right gear 661R may be spaced in the front and rear directions so as not to interfere with each other during operation. The left rack 668L may be inserted through a rear surface of the left outer wall 666, and the right rack 668R may be inserted through a front surface of the right outer wall 667. The left gear 661L and the right gear 661R may be controlled based on what is sensed by the sensor assembly 700 and/or the air quality sensing assembly 500.

(0258) The left gear 661L may be rotated by a left shaft coupled to a left motor located at a rear end of the damper assembly 662. Alternatively, the left shaft and the left motor may be located at the front end of the damper assembly 662 or may be coupled to the outside of the first condensation water passage 662a. The left gear 661L may be located inside the left outer wall 666. The left outer wall 666 may have an opening positioned at a rear end so that the left rack 668L can be inserted. The left rack 668L may be coupled with a left gear 661L for rotating the left damper 660L.

(0259) The left gear 661L may rotate clockwise to open the left damper 660L and may rotate the left damper 666L toward the left outer wall 666. When the left damper 660L is in a completely open position, the left damper 660L should be parallel to the left outer wall 666 so that the inner surface of the left damper 660L looks at the outer surface of the left outer wall 666. I can. The angle of the left damper 660L with respect to the hinge 660a (FIG. 21) is, when the left damper 660L is fully open, the left damper 660L is the outer surface of the left outer wall 666. In addition, a left suction passage may be formed between the left inner surfaces of the first and second housings 100 and 200 and between the steam cleaning assembly 600 positioned at the center.

(0260) The left gear 661L may be rotated counterclockwise to completely close the left damper 660L, and the left damper 660L may rotate toward the left curved portion 652L. The lower portion of the left curved portion 652L may have a longer left and right length than the upper portion. The left and right length of the left damper 660L is a lower portion of the left curved portion 652L so that the outer end of the left damper 660L closes the left suction passage when the left damper 660L is completely closed It can be configured to be able to contact. The front and rear lengths of the left damper 660L may be configured to extend between the front and rear inner surfaces of the second housing 200 so as to be closer to the left suction passage.

(0261) The right gear 661R may be rotated by a right shaft coupled to a right motor located at a rear end of the damper assembly 662. The right axis may be longer than the left axis. Alternatively, the right shaft and the right motor may be located at the front end of the damper assembly 662 or may be coupled to the outside of the first condensate passage 662a. The right gear 661R may be located inside the right outer wall 667. The right outer wall 667 may have an opening positioned at a front end side into which the right rack 668R is inserted. The right rack 668R may be coupled with a right gear 661R for rotating the right damper 660R.

(0262) The right gear 661R may be rotated counterclockwise to open the right damper 660R, and the right damper 660R may rotate toward the right outer wall 667. When the right damper 660R is in a fully open position, the right damper 660R is configured such that the inner surface of the right damper 660R faces the outer surface of the right outer wall 667. Can be made parallel to ). The angle of the right damper 660R with respect to the hinge 660a (Fig. 21) is when the right damper 660R is fully open, the right damper 660R is on the outer surface of the right outer wall 667. It may be configured to be in contact, and a right suction passage may be formed between the right inner surfaces of the first and second housings 100 and 200 and between the steam cleaning assembly 600 positioned at the center.

(0263) The right gear 661R may rotate clockwise to close the right damper 660R, and may rotate the right damper 660r toward the right curved portion 652L. The lower portion of the right curved portion 652L may have a left and right length longer than the left and right length of the upper portion. The left and right lengths of the right damper 660R are in the lower portion of the right curved portion 652L so that the outer end of the right damper 660R closes the right suction passage when the right damper 660R is completely closed. It can be configured to be able to contact. The front and rear lengths of the right damper 660R may be configured to extend closer to the right suction passage between the front and rear inner surfaces of the second housing 200.

(0264) The suction grill 210 located on the left side of the second housing 200 may be called a left suction grill 210L, and a suction grill located on the right side of the second housing 200 ( 210 may be referred to as a right suction grill 210R. There may be a groove or an inner space 652a formed between the outside and the inside of each of the left curved portion 652L and the right curved portion 652R. The groove 652a may communicate with openings 210a formed on left and right surfaces of the second housing 200. The upper portion of the left suction grill 210L may be inserted into the groove 652a of the left curved portion 652L between the inside and the outside of the left curved portion 652L. The upper portion of the right suction grill 210R may be inserted into the groove 652a of the right curved portion 652R between the inside and the outside of the right curved portion 652R.

(0265) The upper portion of the left suction grill 210L may be fixed to the groove 652a of the left curved portion 652L through selective magnetic coupling. For example, the left curved portion 652L may be formed of a ferromagnetic material, and the upper portion of the left suction grill 210L includes at least one magnet configured to be magnetically attracted to the left curved portion 652L. can do. Similarly, the upper portion of the right suction grill 210R may be fixed to the groove 652a of the right curved portion 652R through selective magnetic coupling. For example, the right curved portion 652R may be formed of a ferromagnetic material, and the upper portion of the right suction grill 210R includes at least one magnet configured to be magnetically attracted to the right curved portion 652R. can do.

(0266) The sensor assembly 700 may detect the left and right positions of cooking utensils on the stove. When the cooking utensil is in the first predetermined position, the left damper 660L may be completely open and the right damper 660R may be completely closed. When the cooking utensil is in the second predetermined position, the right damper 660R may be fully open and the left damper 660L may be completely closed. When the cooking utensil is in a third predetermined position between the first and second positions, both the left damper 660L and the right damper 660R may be fully open or partially open.

(0267) The degree of opening of the right damper 660R and the left damper 660L may be continuously adjusted based on a specific position of the cooking utensil between the first and second positions. The closer the cooking tool is to the right damper 660R, the more open the right damper 660R. The closer the cooking tool is to the left damper 660L, the closer the left damper 660L may be opened. As the cooking utensil is still between the first position and the second position and further away from the right damper 660R, the further the right damper 660R may be closed. The further the cooking tool is further away from the left damper 660L while still being between the first and second positions, the more the left damper 660L may be closed. When the cooking utensils are in the lower center of the kitchen hood 1, the right damper 660R and the left damper 660L may each be half open, or alternatively, may be fully open.

(0268) Referring to Figures 24 to 27, the sensor assembly 700 and the steam cleaning assembly 600, the sensor assembly 700 and the steam cleaning assembly 600 is It may be coupled to the second housing 200 so as to be elevated accordingly. The fan 300 and the fan housing 310 are fixed to the first housing upper frame 140 (for example, the second upper frame 142) so that the fan 300 and the fan housing 310 remain fixed to the first housing 100. Can be. When the second housing 200 descends, since the distance from the suction grill 210 to the opening 141a formed in the first upper frame 141 may be increased, the length of the left and right suction paths is Can be increased.

(0269) The air quality sensing assembly 500 may be located in a lower portion on the left side of the inner housing 120 behind the door 111. The left side of the inner housing 120 may have an inner space formed between the outer wall 121 and the inner wall 122 of the inner housing 120. The sensing assembly 500 may be surrounded within the inner space of the inner housing 120. Alternatively, the air quality sensing assembly 500 may be located in a lower portion on the right side of the inner housing 120, and the right side of the inner housing 120 is an inner housing in which the air quality sensing assembly 500 is located. An inner space formed between the outer wall 121 and the inner wall 122 of 120 may be provided. The second air quality sensing assembly 500 may be additionally positioned so that air quality is sensed in both the left and right sides of the kitchen hood 1.

(0270) A first molecular path path 510a having a plurality of openings may be formed in the outer wall 121. The first molecular path path 510a may be formed as a plurality of through holes penetrating the outer wall 121. Alternatively, the first molecular path path 510a may be formed like a separate disk having a plurality of through holes, and the disk may be inserted into a corresponding opening or space formed in the outer wall 121 .

(0271) The first sensor 520a may protrude from the inner wall 122 so as to be aligned with the first molecular path path 510a. The sensing assembly 500 may include a molecular path path corresponding to a plurality of sensors. 23A, 23B, and 25, the first, second, and third sensors 520a, 520b aligned with the first, second, and third molecular path paths 510a, 510b, and 510c. , 520c), but embodiments disclosed herein are not limited to three sensors.

(0272) The first, second, and third sensors 520a, 520b, and 520c may be arranged in a vertical direction, and the first, second, and third molecular path passages 510a, 510b, 510c, respectively It can be provided in a position aligned with the rear of the. The air containing dust, oil, gases, and other foreign substances is transmitted through the first, second, and third molecular path passages 510a, 510b, and 510c, respectively, through the first, second, and third sensors 520a, 520b, 520c). The first, second, and third sensors 520a, 520b, and 520c may be a photoionization detector (PID), a particle sensor, or other sensors configured to detect gases or harmful substances.

(0273) The first, second, and third sensors 520a, 520b, and 520c may be located on a printed circuit board (PCB) 530 located on the inner wall 122. The printed circuit board 530 may include a communication module connected to the controller by wire and/or for communicating with the controller, so that the first, second, and/or third sensors (520a, 520b, 520c) Data corresponding to that detected by the controller may be transmitted to the controller. The communication module may include an optional Bluetooth or Wi-Fi module to transmit data to a remote device such as a smartphone or a mobile or web application. As another alternative example, a stove, an external air purifier, or other smart equipment may receive information from the air quality sensing assembly 500 and/or transmit air quality data or other data to the communication module of the air quality sensing assembly 500. Can be configured.

(0274) As an example, the first sensor 520a may be configured to detect an amount or density of a gas such as _{carbon dioxide (CO 2) (e.g., 1 part per million or PPM).} Large amounts or high densities of carbon dioxide (CO ₂ ) can indicate high levels of smoke or other carcinogens. However, the embodiments disclosed herein are not limited to _{carbon dioxide (CO 2 ).} Alternatively or in addition, the first sensor 520a is carbon monoxide (CO), nitrogen dioxide (NiO ₂ ), formaldehyde (CH ₂ O or HCHO), volatile organic compounds (VOCs), black carbon (BC), or soot. , And/or the amount or density of polycyclic aromatic hydrocarbons (PAHs).

(0275) The second sensor 520b may be configured to detect an amount or density of oil, oil mist, dust, or other dirt or grime. The third sensor 520c may be configured to detect an amount or density of an odor or odor. The outer case 110 and/or the door 111 may have optional slits or openings so as not to interfere with the first, second, and third molecular path paths 510a, 510b, and 510c. Alternatively, there may be a gap between the door 111 and the inner housing 120 so that smoke and gas can enter the first, second, and third molecular path paths 510a, 510b, and 510c. do.

(0276) The operation of the fan 300 may be automatically controlled based on what is sensed by the first, second, and third sensors 520a, 520b, and 520c. The controller may have a memory for storing predetermined first, second, and third quantities and densities. When the amount or density sensed by at least one of the first, second, and third sensors 520a, 520b, and 520c is greater than or equal to the predetermined first, second, and third amounts and density, respectively, The fan 300 may be turned on or the speed of the fan 300 may be increased by a predetermined fan speed amount.

(0277) Alternatively or in addition, the speed of the fan 300 may be controlled in proportion to the amount or densities sensed by the first, second, and third sensors 520a, 520b, and 520c. As another alternative example, the amount or density of the first, second, and third sensors 520a, 520b, 520c can be added to calculate the total pollution level, and the speed of the fan 300 is calculated. It can be controlled in proportion to the total pollution level obtained or on the basis of a comparison of the calculated total pollution level with a predetermined pollution level stored in memory. When the speed of the fan 300 increases in response to being sensed by the first, second, and third sensors 520a, 520b, and 520c, the fan 300 performs an air cleaning operation. Can be considered.

(0278) The second housing 200 may be raised or lowered to optimize air flow based on what is sensed by the first, second, and third sensors 520a, 520b, and 520c. For example, after cooking is complete and when there is no cooking utensil, the second housing 200 may be lowered, and the fan 300 may be at a predetermined speed, for example, a maximum speed to reduce remaining contaminants. It can work. Alternatively, if other undesirable substances are detected in the kitchen (for example, during microwave cooking or roasting), the second housing 200 can be lowered by a predetermined amount (for example, a maximum amount), or The fan 300 may be operated at a predetermined speed (eg, maximum speed) to discharge contaminants including contaminants from devices in the kitchen and/or improve air quality in the house.

(0279) The steam cleaning operation may be started or operated based on what is sensed by the first, second, and third sensors 520a, 520b, and 520c and/or based on the current operation of the fan 300. have. For example, after the fan 300 is turned off after an air cleaning operation or after a certain level of contamination has decreased to indicate the end of cooking, the controller will , You can decide that it was good for removing oils, odors, etc. The display 130 may inform the user to fill the liquid storage container 610, or alternatively, if the liquid storage container 610 is pre-filled, the steam cleaning operation may be performed automatically. A more detailed description of the steam cleaning operation will be described below with reference to FIGS. 26 and 27.

(0280) Referring to FIG. 25A, the display 130 may be located at a lower portion of the front panel of the external housing 110. Alternatively or in addition, there may be a second and/or third display on the side of the door 111 and/or the outer housing 110 opposite the door 111. The outer housing 110 may include a plurality of openings or through holes 133 defined by, for example, a surface or by laser processing, printing, or etching. The through holes 133 may be formed in various arrangements to represent numbers, letters, or images. The printed circuit board 131 may be positioned behind the front panel of the outer housing 110 by aligning with the through hole 133. The printed circuit board 131 may include a plurality of LEDs so that light is irradiated through the through hole 133.

(0281) The through hole 133 may be divided into parts defining a separate notification. The number of LEDs 132 and the number of notifications defined by the through hole 133 may be the same, and the LED 132 may be positioned to be aligned with the notification defined by the through hole 133. The controller can determine which LED 132 should be turned on based on the notification to be irradiated to the user, and the light emitted from the LED 132 is through the through hole 133 defining a corresponding notification. Can be delivered.

(0282) The notification defined by the through hole 133 is when the fan 300 is turned on, when the fan 300 operates during the air purification operation, the amount detected by the air quality sensing assembly 500 or When the density is above or below a predetermined amount or density, when the steam cleaning assembly 600 is operated, when the liquid storage container 610 is filled with liquid, when the light is turned on, or other operation or the above Information such as those detected by the air quality sensing assembly 500, the sensor assembly 700, the fire emergency assembly 800, or some other additional sensor can be delivered to the user. In addition, the LED 132 has various visible wavelengths to deliver the completion of the process (for example, a steam cleaning operation or an air purification operation) or a wide detection value sensed by the air quality sensing assembly 500. It can be configured to provide light.

(0283) For example, the plurality of through holes 133 may define a first notification, a second notification, and a third notification. The LED 132 located behind the first notification emits red light when the amount and density of the carbon dioxide detected by the first sensor 520a is greater than or equal to the first predetermined amount, and the detected amount of carbon dioxide is It may be configured to emit yellow or orange light when it is smaller than the first predetermined amount but larger than the second predetermined amount, and to emit blue or white light when the detected amount of carbon dioxide is less than or equal to the second predetermined amount. . As another example, purple or blue light (e.g. 400 nm) and red light (e.g. 700 nm) based on the detected increase in carbon dioxide by the first sensor 520a between the second predetermined amount and the first predetermined amount. ), the wavelength of light emitted by the LED 132 may be increased. Alternatively or in addition, the display 130 may include a speaker that emits a warning sound when the detected amount of carbon dioxide detected by the first sensor 520a is greater than or equal to the first predetermined amount. The execution of the LED 132 after the second notification may be based similarly to that detected by the second sensor 520b, and the execution of the LED 132 after the third notification is performed by the third sensor. It can be based similarly to what was sensed by (520c).

(0284) The display 130 controls the speed of the fan 300 to control turning on and off the lighting 703, turning on and off the steam generator 612 to control steam cleaning, and air purification It may include a touch sensor assembly so that the user can input an instruction such as turning on and off and/or raising and lowering the second housing 200. The touch sensor assembly may use capacitive touch sensing technology so that the user touches the notification formed by the through hole 133 to input an instruction. Such a touch sensor assembly may be located on the printed circuit board 131 near the LED 132. The printed circuit board 131 may include a communication module (eg, a Wi-Fi or Bluetooth module) so that a user can wirelessly input an instruction through a mobile or web application or a remote device. Alternatively, a microphone can be used to control various actions by sound indication.

(0285) Referring to FIGS. 25B to 25F, the display 130 may have various implementations. For example, instead of or in addition to using light of a different color to indicate the level of carbon dioxide, oil/dust, and/or odor, the notification may have multiple through-holes 133 arranged in rows and columns. The number of lights on can also indicate the corresponding level. As shown in FIGS. 25B and 25C, the through holes 133 may be arranged to form a long rectangle (eg, 3 rows 5-15 columns) in the left and right directions, and the first and second , And a plurality of columns are lit to have a correlation with the level of carbon dioxide, oil/dust, and/or odor detected by the third sensors 520a, 520b, and 520c. A plurality of blocks) As shown in FIG. 25, the through-holes 133 may be arranged to form a long rectangle (for example, 5 rows 5-12 columns) in the vertical direction, and the first and second , And a plurality of rows are lit to correlate with the levels of carbon dioxide, oil/dust, and/or odors sensed by the third sensors 520a, 520b, and 520c (or three or more rows). A plurality of blocks defined in 5 columns in the set) As shown in Figs. 25D and 25F, the through-holes 133 may be arranged in a straight horizontal line (Fig. 25D) or circular, semicircular, or arc shape (Fig. In addition, a plurality of lighted through holes 133 correlate with the level of carbon dioxide, oil/dust, and/or odor detected by the first, second, and third sensors 520a, 520b, and 520c. Can be made to have.

(0286) Similarly, the speed of the fan 300 may be indicated by a plurality of lit through holes 133. 25B and 25C, the through hole 133 is a concentric circle (each including at least dozens of through holes 133) around a button that allows the user to turn the fan 300 on and off. Can be placed. Alternatively, as shown in FIGS. 25D and 25E, horizontal or horizontal rows may be located on the left and right sides of the button. The number of concentric circles, the color of the illuminated light, or the number of through holes 133 may correspond to the speed of the fan 300.

(0287) This configuration of the touch button surrounded by the through hole 133 is a light 703 (for example, the button can turn on and off the light 703, the through hole 133 is the current Brightness can be displayed.), the air quality sensing assembly 500 itself (for example, the user may want to temporarily turn off all the sensors 520a to 520c, and manually control the kitchen hood 1) May be desired), or the height of the second housing 200 (for example, the button may be pressed to raise and/or lower the second housing 200, and the through hole 133 is Can be used to display the current height). As shown as another alternative embodiment in FIG. 25F, there may be no button to turn on and off the fan 300, but instead a radial line spaced circumferentially so that the through hole 133 forms a semicircle ( For example, 6 through holes) may be arranged, and the number of radial lines or the number of through holes may indicate the speed of the fan 300.

(0288) Those skilled in the art should appreciate that the configuration of the through hole 133, notification, and other optional buttons and switches is not limited. In addition, the display 130 or other surface of the outer housing 110 may include a switch (e.g., to turn on/off the light 703 and/or fan 300), a dial (e.g., brightness, speed , Height level can be continuously adjusted), touch screen, speaker, etc. may be included.

(0289) The lower portion of the second housing 200 may include a groove or a space into which the upper portion of the cover 704 of the sensor assembly 700 is inserted. The cover 704 may be press-fit into the space through an additional groove or rib, and may be further fixed through bolts, screws, or the like. The combination of the cover 704 is not limited. For example, the cover 704 may be magnetically fixed to the bottom surface of the second housing 200 to facilitate separation for cleaning or repair. The cover 704 may be completely inserted into the groove or space so that the bottom surface of the cover 704 is flush with the bottom surface of the second housing 200, or alternatively, the bottom surface of the cover 704 is It may protrude downward from the bottom surface of the second housing 200.

(0290) The entire cover 704 is a transparent or translucent material (e.g., plastic ) Can be formed. Alternatively, the sensor mount 705 and the bottom of the cover 704 under the light 703 and the height sensor 705 may be transparent, while the rest of the cover 704 (e.g. side) Can be opaque. In the embodiments disclosed herein, as long as the lighting 703 can illuminate the stove under the kitchen hood 1 and the height sensor 702 and the proximity sensor 701 can send and receive signals without interference, the It is not limited to the material forming the cover 704.

(0291) Two or more (for example, left and right) proximity sensors 701 may be adjacent to each other on the sensor mount 705. The left proximity sensor 701 may be on the left side of the sensor mount 705 and the right proximity sensor 701 may be on the right side of the sensor mount 705. Similarly, two or more (eg, left and right) height sensors 702 may be located within the cover 704 between the proximity sensor 701 and the light 703. Each individual proximity sensor 701 may be configured to detect a user who approaches the kitchen hood 1 in the left and right directions in addition to the front and rear directions. Alternatively or in addition to this, the user's left and right position with respect to the kitchen hood 1 may be determined by comparing data between the left and right proximity sensors 701. Similarly, each individual height sensor 702 may be configured to detect the left and right positions of the cooking utensils on the stove in addition to the vertical height. Alternatively or in addition to this, the left and right positions of the cooking utensils relative to the kitchen hood 1 may be determined by comparing data between the left and right height sensors 702. Opening and closing of the damper 660 through the gear 661 may be controlled based on the determined left and right positions of the cooking utensils.

(0292) The sensor mount 705 may be inclined downward from the rear to the front so as to protrude from the bottom surface of the second housing 200. The proximity sensor 701 may be positioned within the sensor mount 705 so as to be disposed along the slope of the sensor mount 705. The proximity sensor 701 may transmit a signal at an angle to detect a user or other moving object approaching the proximity sensor 701 in a horizontal or front-rear direction. Alternatively, the sensor mount 705 may be a separate rectangular frame that protrudes or hangs under the rest of the cover 704 so as not to be inclined, and the proximity sensor 701 is a proximity sensor 701 in a horizontal or front-rear direction. ) Can be oriented horizontally along an anteroposterior (and not oblique) direction to detect an approaching user or other moving object.

(0293) The control of the drive assembly 450 and optionally the fan 300 can be performed in various ways so that the air cleaning or purifying function of the kitchen hood 1 is customized according to the type of cooking performed by the user and the type of cooking utensils. Can be implemented. As an example, the controller may have a memory capable of storing the stored distance. The stored distance may be a distance from a lower portion of the first housing 100 to a stove or other surface under the kitchen hood 1, remaining in a fixed position. Alternatively, the stored distance is the distance from the bottom surface of the second housing 200 to the stove when the second housing 200 is inserted into the interior of the first housing 100 by a maximum amount so that the maximum amount is raised. I can. The stored distance may be calculated based on an initial detection by the height sensor 702 and a known or sensed height of the second housing 200 relative to the first housing 100. The height of the second housing 200 relative to the first housing 100 may be detected by an additional sensor in the drive assembly 450 of the sliding assembly 400, or the motor 453 of the drive assembly 450 ) Can be calculated based on the operation. Alternatively, the stored distance can be manually measured and entered by the user.

(0294) When the distance is sensed by the height sensor 702, the controller corrects or calculates the sensed distance based on the height of the second housing 200 relative to the first housing 100. Can be converted to distance. When the second housing 200 is inserted into the first housing 100 by a maximum amount, the corrected distance may be the same as the sensed distance.

(0295) The controller may determine the height of the cooking utensil located on top of the stove by comparing the modified distance to the stored distance. When the corrected distance is equal to the stored distance, the controller may determine that there are no cooking utensils on the stove, and may instead drive the fan 300 and optionally the sensing provided by the air quality sensing assembly 500. It is possible to operate the drive assembly 450 based primarily on what has been done.

(0296) When the height of the cooking utensil is less than or equal to the predetermined first height, the second housing 200 may slide out of the first housing 100 to a predetermined first position. Alternatively, the second housing 200 may be slid to a position at a predetermined first distance away from the cooking utensil. The predetermined first height may correspond to, for example, an average height (eg, 5 cm) of the frying pan. For example, the predetermined first position may be a relatively low position or may indicate a position inserted at a minimum distance into the first housing 100 so that the second housing 200 is lowered by a maximum amount.

(0297) When the height of the cooking utensil is less than or equal to a second predetermined height higher than the first predetermined height, the second housing 200 slides out of the first housing 100 to a second predetermined position. Can be. Alternatively, when it is determined that the height of the cooking utensil is greater than or equal to the second predetermined height but smaller than the third predetermined height, the second housing 200 may be slid to the second predetermined position. The second predetermined height may be a height representing an average or medium-sized sauce pan or pot (for example, 12 cm), and a second predetermined position is the outer side of the first housing 100. It may correspond to the slid position by about half, but the embodiments disclosed herein are not limited thereto. As another alternative embodiment, when it is determined that the height of the cooking utensil is between the first predetermined height and the third predetermined height, the height of the second housing 200 is such that the height of the second housing 200 is a second predetermined distance away from the cooking utensil. Can be adjusted.

(0298) When the height of the cooking utensil is greater than or equal to the predetermined third height, the second housing 200 may slide out of the first housing 100 to a predetermined third position. Alternatively, the second housing 200 may be slid to a position that becomes a third predetermined position away from the cooking utensil. The predetermined third position may correspond to, for example, the height of a large sauce pan or pot (eg, 15 to 18 cm).

(0299) The embodiments disclosed herein are not limited to the stored three predetermined heights. For example, there may be a fourth predetermined height that is larger than the predetermined first height and may be the same as a small pot size (eg, 8 to 10 cm), which is smaller than the second predetermined height. The fourth predetermined height may correspond to a fourth predetermined position between the first and second predetermined positions. The execution of control of the drive assembly 450 based on what is sensed by the sensor assembly 700 is not limited thereto. As an alternative embodiment, the sensor assembly 700 can detect the surface area or radius of the cooking utensil instead of the height and control the driving assembly 450 accordingly.

(0300) When the controller determines that there are no cooking utensils in the stove, the second housing 200 may be raised to be inserted into the interior of the first housing 100 by a maximum amount in order to maintain a smooth appearance in the kitchen. This position can be called a covered position or an initial position. Alternatively, the controller may not raise the second housing 200 until a certain sensing value by the air quality sensing assembly 500 is at or below a predetermined level. For example, if there is no cooking utensil in the stove, but it is determined that at least one of carbon dioxide, oil and dust, or odor is at or above the corresponding predetermined level, the second housing 200 is not raised or otherwise Further lowering or, alternatively or in addition, the speed of the fan 300 changes (i.e., increases or decreases) based on what is sensed by the first, second, and third sensors 520a, 520b, 520c. ) Can be. When all levels of carbon dioxide, oil or dust, or odor are below a corresponding predetermined level, the second housing 200 may be raised to be inserted into the first housing 100 by a maximum amount, and alternatively or In addition, the fan 300 may be turned off or the speed of the fan 300 may be reduced.

(0301) Alternatively or in addition, there may be an optional timer that detects how long the cooker has been removed from the stove. The second housing 200 does not move during minor intermediate cooking steps such as emptying the cooking utensils, filling the cooking utensils, or other stages that may require temporarily removing and adjusting the cooking utensils. It may not rise until a predetermined time or longer that the cooking does not proceed to prevent it from proceeding.

(0302) As an alternative and simpler implementation of the height adjustment of the second housing 200, the height of the second housing 200 is determined in advance between the height sensor 702 and the detected cooking utensils under the height sensor 702. It can be adjusted to maintain a defined grounding distance. In this embodiment, when a predetermined time elapses or when a value detected by the air quality sensing assembly 500 is equal to or less than a predetermined level, the second housing 200 is the first housing 100 by the maximum amount. Can be raised to be inserted into.

(0303) The height of the second housing 200 may be additionally adjusted based on a value detected by the air quality sensing assembly 500. For example, the controller is based on the level or density detected by the first, second, and third sensors 520a, 520b, and 520c. Can be modified. The predetermined first, second, and third positions may be modified to be lower when the level sensed by the air quality sensing assembly 500 is higher, and the predetermined first, second, and third positions The position may be modified higher when the level sensed by the air quality sensing assembly 500 is lower. In another implementation, the controller may move the second housing 200 to a second predetermined position (not modified), and then the second housing 200 may then be adjusted by a predetermined amount based on the detected value by the air quality sensing assembly 500. 2 The housing 200 can be elevated.

(0304) As an example of this embodiment, when a medium-sized source pan is placed on the stove, the second housing 200 may be slid to the predetermined second position. When water is boiled in a medium-sized source pan, the level or density of carbon dioxide, oil and dust, or odors detected by the first, second, and third sensors 520a, 520b, and 520c, respectively, is relatively It can be low. In this case, the second housing 200 may remain in the second position, or alternatively, may be raised by a predetermined cleaning adjustment amount, which may be a fixed predetermined amount (for example, 4 inches), and , Or alternatively, can be calculated based on measured levels of carbon dioxide, oil and dust, and odors. When a medium-sized saucepan is used as a deep fryer or when cooking a scented sauce, carbon dioxide detected by the first, second, and third sensors 520a, 520b and 520c, respectively, The level or density of oil or dust or odor can be relatively high. In this case, the second housing 200 may be lowered by a predetermined amount of dirt adjustment, which is a fixed predetermined amount (for example, 4 inches), or alternatively, the detected carbon dioxide, oil and dust, and odor It can be calculated based on the level.

(0305) In the case of a low-height frying pan, the control can be raised primarily based on cleaner air. When the frying pan is placed on the stove, the second housing 200 may slide to a predetermined first position, which may be the lowest position at which the second housing 200 can slide. When the frying pan is used to fry the ingredients with oil, the second housing 200 may be left in a first predetermined position (or, if the second housing 200 can be further lowered, the second housing 200). 200), alternatively, if the frying pan is used to boil or steam a small amount of food or produce relatively little smoke or odor (e.g. sesame seeds may be lowered by a predetermined amount). Used to roast brown), the second housing 200 may be raised by a predetermined amount of cleaning adjustment.

(0306) The fan 300 may be left on for at least 30 minutes after cooking is finished, which may be determined based on the detection that there is no cooking utensil by the air quality sensing assembly 500 or the sensor assembly 700. have. Continued exhaust after cooking shows a decrease in the amount of fine dust in the kitchen. The fan 300 may be kept on for 2 hours or based on a setting selected by a user. Before cooking, the user can manually turn on the fan 300, or alternatively, the sensor assembly 700 through the proximity sensor 701 can detect a user who approaches the kitchen hood 1 And can also automatically turn on the fan 300.

(0307) The position of the second housing 200 or the speed of the fan 300 may be manually controlled according to a user's instruction or may be based on the start of the steam cleaning operation. Periodically (e.g., every month or every 3 months) or alternatively cooking frequency, detection by air quality sensing assembly 500, or additional residue inside the first or second housing 100, 200 Based on the detection by the detector, the display 130 may provide a notification to the user proposing to start the steam cleaning operation. This known provision can be the first step (ie step 1) in the steam cleaning operation.

(0308) Looking at the notification on the display 130, the user can input an instruction to start steam cleaning. The display 130 may receive a user instruction in a second step (step 2). After receiving the user instruction in the second step, the fan 300 can be turned off and the second housing 200 allows access to the liquid storage container 610 by the maximum amount or in the third step (step 3). It can be lowered by the amount that you do.

(0309) After the second housing 200 is lowered in step 3, the display 130 issues a notification instructing the user to fill the liquid storage container 610 with liquid in the fourth step (step 4). I can. After confirming the notification, the user can take out the liquid storage container 610 from the container guide 611 and fill the first container 610a with liquid. The liquid storage container 610 may be located in a convenient position to be separated because the second housing 200 has been lowered. After filling the liquid, the user can reinsert the liquid storage container 610 into the container guide 611. In the fifth step (step 5), the sensor can detect the water level in the liquid storage container 610. In step 5, when it is detected that the liquid storage container 610 has a predetermined water level or higher, the second housing 200 may be raised by a maximum amount, or the second housing 200 is a sixth step (step 6). It may be in the inside of the first housing 100. After the second housing 200 is raised, the damper 660 may be closed to prevent leakage of condensed water in the seventh step (step 7). After the damper 660 is closed, in an eighth step (step 8), the steam generator 612 may be turned on.

(0310) The steam generator 612 may be operated for a predetermined steam generation time in a ninth step (step 9). After the predetermined steam generation time has elapsed, the steam generator 612 may be turned off in a tenth step (step 10). The steam generator 612 and the fan 300 may be left off for a predetermined collection time in the eleventh step (step 11). During step 11, the condensed water may continue to be collected in the second container 610b of the liquid storage container 610 before the fan 300 is turned on. After a predetermined collection time has elapsed, the fan 300 may be turned on to discharge steam and residue to the outside in a twelfth step (step 12), and the damper 660 may be selectively opened. The fan 300 may be left turned on for a predetermined discharge time in the 13th step (step 13). After a predetermined discharge time has elapsed, the fan 300 may be turned off in a 14th step (step 14). After the fan 300 is turned off, the display 130 may provide a notification instructing the user to empty the liquid storage container 610, and the damper 660 is closed at step 15 if it is selectively opened. Can be (Step 15)

(0311) Looking at the notification, the user can input an instruction to lower the second housing 200 so that the collected condensate can be discarded. When an instruction is received in the 16th step (step 16), the second housing 200 may descend. The user can separate the liquid storage container 610, discard the collected condensate, and insert the liquid storage container 610 back into the second housing 200. When an empty liquid storage container 610 (or a water level lower than a predetermined water level) is sensed, the second housing 200 can automatically rise in the 17th step. (Step 17) After Step 17, the user can see the air quality. An instruction may be input to the display 130 to set the kitchen hood 1 so that the sensing assembly 500 returns to the air cleaning mode in which the air quality in the kitchen is constantly or periodically sensed. The height of the fan 300 and/or the second housing 200 may be automatically controlled based on a value detected by the air quality sensing assembly 500 to maintain acceptable air quality in the kitchen.

(0312) The embodiments disclosed herein are not limited to the above sequence of steps as long as the fan 300 is turned off before steam is generated by the steam generator 612. For example, in step 3, the fan 300 may remain on as the second housing 200 is lowered, and may not be turned off until step 4, step 5, step 6, or step 7. Similarly, the damper 660 may be closed in any one of Step 3, Step 4, Step 5, Step 6, or Step 7.

(0313) In step 14 or after step 15, step 16, step 17, as sensed by the air quality sensing assembly 500, the fan 300 may remain on or remove contaminated air in the kitchen. It may be turned on to continuously discharge, or the speed may be adjusted based on what is sensed by the air quality sensing assembly 500. In the arrangement of these steps, the damper 660 may remain open or closed. If the fan 300 is left on after step 14, the fan 300 is used to separate the liquid storage container 610 to discard the condensed water collected through the instruction input to the display 130. Can be turned off when the user displays a request.

(0314) The user may want the steam cleaning to take place at night. Unlike the process described above, looking at the notification in step 1, the user can enter an instruction on the display to program the steam cleaning to start later. The user can separate the liquid storage container 610 to fill the liquid storage container 610 with water, but when the second housing 200 rises in step 6 and detects a predetermined water level, step 7 and/or Step 8 can be delayed up to a pre-programmed time. In the meantime, according to the need and manual instruction based on what is sensed by the air quality sensing assembly 500, the fan 300 can continue to operate to discharge contaminants from the kitchen, and the damper 660 is opened. Can be in a state. The user can pre-fill the liquid storage container 610 to perform pre-programmed steam cleaning at any time or periodically.

(0315) As another example, the user may decide to pre-fill the liquid storage container 610 before receiving a notification recommending the steam cleaning process. The user may input an instruction for guiding the steam cleaning to occur automatically based on the cooking frequency and the estimated level of dust or residue inside the second housing 200, or alternatively, the display 130 provides the user with steam. It can be based on when cleaning is recommended. In this configuration, steps 1-6 may be omitted, and in step 7, the fan 300 may be turned off after the damper 660 is closed. The user can pre-fill the liquid storage container after step 16. As the user disposes of the condensed water collected from the second tank 610b, the user can fill the first tank 610a at that time, and the user may later clean the liquid storage container ( 610) may not need to be filled.

(0316) Steps 5 and 6 may alternatively be based on the sensed weight or sensed weight of the liquid storage container 610 inserted into the container guide 611. As another alternative example, the user may input an instruction on the display 130 to instruct the second housing 200 to rise after infiltrating the liquid storage container 610. Steps 7 and 8 may alternatively be initiated based on a user instruction input to the display 130 instead of automatically after the second housing 200 is raised.

(0317) In step 15, instead of notifying the user that the steam cleaning is complete, as an alternative, it is automatically indicated to the user that the liquid storage container 610 can be separated to dispose of the collected condensate. Can be descended. In step 17, instead of automatically raising the second housing 200 according to the detection of the empty liquid storage container 610, the user commands the display 130 to instruct the second housing 200 to rise. Can give

(0318) Instead of operating based on a predetermined steam time, collection time, and discharge time, steps 9 to 15, alternatively, are provided to prevent overflow of the collected condensate in the second condensate reservoir 610b. 2 It can be based on the sensed water level in the condensation water tank (610b). For example, in step 9, the steam generator 612 may be operated until the first water level is sensed in the second cylinder 610b. Once the first water level is reached, the steam generator 612 may be turned off in step 10. The steam generator 612 and the fan 300 may be turned off in step 11 until a second water level higher than the first water level is detected in the second cylinder 610b. Upon detection of the second water level, the fan 300 may be turned on in step 12.

(0319) After step 4, as the user fills the liquid storage container 610, the user can select to separate the suction grill 210 from the second housing 200 and remove the suction grill 210 You can put it in the dishwasher for cleaning. When the user discards the collected condensate, the suction grill 210 may be installed again after step 16. As an alternative to the damper 660 closed in step 8, the damper 660 may remain open, and the user may mount the container under the second housing 200 under the suction grill 210. A container may be provided under the suction grill 210 to capture condensate that may or may have been erroneously delivered. Although it may be inconvenient to mount the container, the suction grill 210 can be cleaned by a steam cleaning process if the damper 660 remains open. The container may be hung with a latch, fixed by magnetic force, or press-fitting. The embodiments disclosed herein are not limited.

(0320) As a simpler implementation, the steam generator 312, the second housing 200, the damper 660, and the fan 300 can be operated according to a simple time-based steam cleaning program. And a second lamp, after a user's instruction, after sensing of the filled liquid storage container 610 inserted in the condensed water guide 611, or after the second housing 200 is raised, a calculated predetermined number of operations. Can be.

(0321) Referring to FIGS. 28 and 29, an alternative embodiment of the kitchen hood 1 may be a kitchen hood 1 ′. The configuration of the kitchen hood 1 ′ may be similar to the configuration of the kitchen hood 1 described with reference to FIGS. 1 to 27, and a repetitive description will be omitted and differences will be mainly described. The kitchen hood 1 ′ may be considered to be similar to the kitchen hood 1 but has a vertical orientation. The kitchen hood 1 ′ may be shorter in the front and rear direction than the kitchen hood 1 and may be wider in the left and right directions. For example, in the front and rear direction, the depth may be shorter than 20 cm (for example, 19.5 cm). The kitchen hood 1 ′ allows the suction grill 210 ′ facing the front to effectively inhale the cooking fumes from the cooktop. So it may not protrude too far above the cooktop.

(0322) The kitchen hood 1 ′ may include a first housing or case 100 ′ and a second housing or case 200 ′ configured to slide with respect to the first housing 100 ′. The suction grill 210 ′ may be located in front of the second housing 200 ′. When the second housing 200 ′ is lowered, the suction grill 210 ′ may face a user standing in front of the stove.

(0233) The kitchen hood 1 ′ may be coupled to the wall through the bracket 2 ′. The bracket 2 ′ may be wider in the horizontal direction to support the wider kitchen hood 1 ′. The bracket 2 ′ may include a wide plate 10 ′ that is bolted or screwed to the wall. The wide plate 10 ′ may be formed with a wide bracket hook 30 ′ through which a wide hook 20 ′ coupled to the kitchen hood 1 can be caught.

(0324) The first housing 100 ′ may include a rear inner case 150, a tip inner case 160 (FIGS. 32 and 34 ), and an outer case 110 ′ covering the tip inner case. have. The rear inner case 150 may not be covered by the outer case 110 ′. Alternatively, the rear inner case 150 may be covered by the outer case 110 ′.

(0325) The rear inner case 150 may be coupled to the hook 20 ′ (eg, screwed, bolted, welded, bonded or attached). The hook 20 ′ can be hung on the bracket hook 30 ′, and the kitchen hood 1 ′ is lifted from the wall by separating the hook 20 ′ from the bracket hook 30 ′. Can be separated.

(0326) Referring to FIG. 31 to FIG. 33, the first housing 100 ′ includes a door 111 ′ hinged to the upper portion to open and close the lower portion of the outer case 110 ′. can do. The door 111 ′ is opened and closed through a door closer 115 (eg, a hydraulic pump, a spring pump, a gas or pneumatic pump, or a hood hinge) that pushes the door 111 ′ to the outside and rotates upward. Can be. When the door 111 ′ is closed, the door closer 115 may be bent or compressed. When the door closer 115 is placed and/or activated, the door closer 115 can exert a stored force to open the door 111 ′, and the user accesses the front inner case 160 In order to do so, it can be kept open at a predetermined angle so that both hands can be used.

(0327) The door 111 ′ may be a rigid rectangular panel or frame hinged to an upper portion of the outer case 110 ′. When the door 111 ′ is opened, the upper portion of the outer case 110 ′ may be exposed together with a removable liquid storage container 610 ′ for steam cleaning and a removable cover 165. The liquid storage container 610 ′ may be surrounded by a lower portion of the front side of the inner case 160 at the tip. The steam generator 612 ′ may be located adjacent to the liquid storage container 610 ′ in the left-right direction. The liquid storage container 610 ′ allows condensed water to be collected at a location separated from the place filled with the cleaning agent and/or other types of liquids (for example, water and cleaning agent or other cleaning liquid) are stored in the liquid storage container 610. It may contain two or more parts to fill in').

(0328) The removable cover 165 may cover the sweeping assembly 900. The sweeping assembly 900 includes a sweeper 910 configured to remove debris, oil, and other foreign substances from the suction grill 210', an upper guide or an upper header 920, and a lower guide or a lower header 930. Can include. When the through hole or opening 165a is raised so that the second housing 200 ′ is inserted into the distal inner case 160, the suction grill 210 ′ is exposed to be formed in the distal inner case 160. I can. The sweeper 910 may be configured to move in the left and right directions between the upper and lower guides 920 and 930. Details of the sweeper assembly 900 will be described with reference to FIGS. 37 to 38C. The liquid storage container 610 ′ and the steam generator 612 ′ may be located under the lower guide 930.

(0329) The front of the door 111 ′ may include a display 130 ′ that may be implemented similarly to the display 130 of the kitchen hood 1 described with reference to FIGS. 1 to 27. have. The display 130 ′ may display the sensed air quality and operation state. The display 130 ′ may also optionally include a touch screen.

(0330) The outer case 110 ′ may cover an upper portion of the inner tip case 160 and a left side and a right side of the inner tip case 160. The second housing 200 ′ may be configured to slide into and out of the lower opening of the distal inner case 160 and the lower opening of the outer case 110 ′ surrounding the distal inner case 160. The second housing 200 ′ may be configured to be completely inserted into the lower opening of the outer case 110 ′. The door 230 is hinged to the lower portion of the front end inner case 160 so that the door 230 covers the bottom surface of the second housing 200 ′ so that the door 230 forms a plane with the bottom surface of the outer case 110 ′. I can. The material forming the door 230 may match the material forming the outer case 110 ′ so as to provide a smooth appearance. For example, the outer case 110 ′ and the door 230 may be formed of brushed stainless steel or glass coated stainless steel, but embodiments disclosed herein are not limited thereto. The door 230 may be optional. At least one of the door 230 or the front end or the inner housing 160 and 150 may include a height sensor or a proximity sensor.

(0331) The upper part of the first housing 100 ′ may be formed with an upper opening 140a ′ defined by the upper frame 140 ′. The opening 140a ′ may serve as a selective outlet for discharging air according to the configuration of the fan 300 ′ described with reference to FIG. 34.

(0332) Referring to FIG. 36 in FIG. 34, the second housing 200 ′ may slide into and out of the first housing 100 ′ through the first and second rails 410 ′ and 420 ′. have. Similar to the kitchen hood 1 described with reference to FIG. 1 to 27, a plurality of first rails 410' may be coupled to the inner surface of the front end inner case 160, and a plurality of second rails Reference numeral 420 ′ may be coupled to the outer surface of the second housing 200 ′ at a position corresponding to the first rail 410 ′. For example, two or more first rails 410 ′ may be coupled to the rear inner surface of the front inner case 160 so as not to interfere with the suction grill 210 ′ and the sweeper 910 to be described later. In addition, there may be two or more second rails 420 ′ on the outer rear end surface of the second housing 200 ′. For reinforced stability, two or more first rails 410 ′ may be positioned on the left and right sides of the inner surface of the tip inner case 160, respectively, and the second rails 410 ′ may be respectively coupled to the first rail 410 ′. There may be two or more second rails 420' on the left and right sides of the outer surface of the housing 200'.

(0333) A drive assembly (e.g., a motor, a rack, and a pinion configuration) is applied to the second housing 200 ′ with respect to the distal inner case 160 so that the second housing 200 ′ slides into and out of the distal inner case 160. The housing 200 ′ may be raised or lowered. The drive assembly may include a drive source or a motor 453 ′. (FIGS. 40A and 40B)

(0334) A ledge or plate 151 may be formed under the upper surface of the rear inner case 150. The jaw 151 may be spaced apart from the upper surface. The upper frame 140 ′ and the upper opening 140a ′ may penetrate the upper surface of the rear inner case 150, and the rear end portion of the upper frame 140 ′ may be positioned at the jaw 151. I can. The flange or the protruding portion 152 may be formed on the front end of the upper surface of the rear inner case 150.

(0335) The outer case 110 ′ may be configured to cover the upper end of the inner case 160, the upper surface of the inner case 160, and the flange 152 of the inner case 150 at the rear end. have. The outer case 110' includes a front end plate or front panel 116, an upper plate or upper panel 117 extending rearward from an upper portion of the front end plate 116, and a lower side from the left and the right side of the upper plate 117 It may be mainly formed as a side plate or side panel 118 extending from the left side and the right side of the front end plate 116 to the rear, and a lower plate or a lower panel 119 extending between the side plates 118. The outer case 110 ′ may not have a rear plate or a rear surface because the rear inner case 150 is directly coupled to the wall through the bracket 2 ′. (FIGS. 28-29)

(0336) An opening or space 165b may be formed in the front end plate 116. The opening 165b may be configured to surround the sweeper opening 165a, the sweeper assembly 900, and the liquid storage container 610. A support jaw or a support protrusion 161a may protrude rearward from the front end plate 116 at a position adjacent to the upper portion of the opening 165b. The support jaw 161 may be formed to protrude forward from the distal end surface of the distal inner case 160, and the support protrusion 161a of the outer case 110 ′ is formed of the distal inner case 160 It may be supported by the support jaw 161. Alternatively, the tip inner case 160 may have a space into which the support protrusions 161a of the outer case 110 ′ are inserted. The upper part of the tip inner case 160 includes a jaw or protrusion 162 protruding by the same amount as the support jaw 161 for providing structural rigidity to the tip plate 116 so that the tip plate 116 remains in a straight line. I can have it. The outer case 110 ′ may be fixed to the front inner case 160 through the support jaws 161a and 161 and through the lower plate 119, wherein the lower plate is located under the liquid storage container 610 It may be press-fit into the lower portion of the inner case 160 at the tip end.

(0337) The upper plate 117 may have an opening 140b' through which the upper frame 140' and the upper opening 140a' may be exposed. The protrusion or hook 152a may be formed to extend downward or bend at the rear end of the upper plate 117. The hook 152a may be hung on the flange 152 to fix the outer case 110 ′ to the rear inner case 150.

(0338) The lower plate 119 may be configured to cover a lower surface of the front end inner case 160 and a portion of the door 230, and may be made of the same material as the door 230. The lower plate 119 may form a lower opening 119a through which the second housing 200 ′ can slide. When the second housing 200 ′ is completely inserted into the front end inner case 160, the door 230 may cover the lower portion of the second housing 200 ′, and The portion may be flat with the bottom surface of the bottom plate 119. The door 230 may include an elastic member or an elastic spring in the hinge so as to be closed through the elastic force of the elastic member. The hinge of the door 230 may be covered by the bottom plate 119.

(0339) When the outer case 110 ′ is coupled to the rear and front inner cases 150 and 160, the front end plate 116 may contact the jaws 161 and 162 of the front inner case 160, The upper portion of the front end plate 116 may be spaced apart from the front end surface of the rear inner case 150. The rear end of the upper plate 117 may contact the flange 152 of the rear inner case 150, and the front end of the upper plate 117 may be spaced apart from the upper surface of the front inner case 160. . The side plate 118 may contact a side surface of the front inner case 160. Alternatively or additionally, the side plate 118 may be sufficiently long in the front-rear direction so as to at least partially contact the side surface of the rear inner case 150.

(0340) The rear inner case 150 and the front inner case 160 may share a wall (that is, a part of the front end wall of the rear inner case 150 is the rear end wall of the front inner case 160). Alternatively, the front or rear inner cases 160 and 150 may be formed separately, and the rear surface of the front inner case 160 may be formed by the rear inner case 150 It may be bonded (eg, welded, fused, bolted, screwed, or attached to the front surface of the).

(0341) The fan 300 ′ may be surrounded by the rear inner case 150 and may have a front and rear length equal to or similar to the front and rear length of the rear inner case 150. The fan guide 310 ′ may be formed as a curved or spiraling wall extending between the front and rear surfaces of the rear inner case 150 in order to add rigidity to the rear inner case 150. The fan 300 ′ may be an axial fan. The inlet or inlet of the fan 300 ′ may be exposed through a fan through hole 300a formed through the front surface of the rear inner case 150 and the rear surface of the front inner case 160. The outlet or outlet of the fan 300 ′ may face the rear surface of the rear inner case 150, and the rear surface of the rear inner case 150 may be formed to have a discharge opening through which air is discharged. Alternatively, the user may wish to use a centrifugal fan such as the fan 300 described with reference to FIGS. 1 to 27. In this case, air may be discharged through the upper opening 140a'.

(0342) The front panel or front plate 260 of the second housing 200 ′ may be longer than the rear panel or rear plate 250 of the second housing 200 ′. When the second housing 200 ′ is completely inserted into the front end inner case 160, the rear plate 250 of the second housing 200 ′ does not interfere with the fan through hole 300a. It may be located under the fan through hole (300a). Alternatively, the rear plate 250 of the second housing 200 ′ is at least partially aligned with the fan through hole 300a when the second housing 200 ′ is completely inserted into the front end inner case 160. It may be formed with a fan through hole configured to be. The fan 300 ′ may suck air into the front inner case 160 and the second housing 200 ′, and the rear surface of the rear inner case 150 and/or in the case of the centrifugal fan Alternatively, air may be discharged through the upper opening 140a'. Alternatively, a side surface of the rear inner case 150 may include a discharge opening capable of discharging air.

(0343) The liquid storage container 610 ′ may be pushed and pulled in and out of the space 610a formed between the lower guide 930 of the sweeping assembly 900 and the lower portion of the tip inner case 160. The steam generator 612 ′ may be located in the space 610a. A seal 615 ′ may be formed in the liquid storage container 610 ′, and the steam generator 612 ′ is the seal 615 ′ when the liquid storage container 610 ′ is positioned in the space 610a. It may include a protrusion having an opening opening'). The liquid may flow from the liquid storage container 610' to the steam generator 612' through the seal 615' and the opening of the protrusion. Like the seal 615 described with reference to FIG. 1 to FIG. 27, the seal 615' is an elastic material having a slit that is closed until the protrusion of the steam generator 612' is coupled to the inside of the slit. Can be made. Alternatively or in addition, at least one of the steam generator 612 ′ or the seal 615 ′ may have a valve configured to open and close to control the flow of liquid to the steam generator 612 ′.

(0344) The length of the liquid storage container 610 ′ may be configured such that the liquid storage container 610 ′ may be fixed between the steam generator 612 ′ and the side surface of the front inner case 160. The liquid storage container 610 ′ may be inserted into the space 610a at an angle to align the slit of the seal 615 with the opening penetrating the protrusion of the steam generator 612 ′. The seal 615 ′ may be positioned on a first side (eg, left) so as to be coupled to the steam generator 612 ′, and the steam generator may be disposed on the first side (eg, left side) of the space 610a ′. ) Can be located. When the seal 615 ′ is aligned with the opening of the protrusion of the steam generator 612 ′, the user is directed to the space 610a on the second side of the liquid storage container 610 ′ opposite the first side. You can press (e.g. right). Between the right side of the liquid storage container 610 ′ and the inner surface of the front end inner case 160, a user can insert a finger and move the liquid storage container 610 ′ to the outside of the space 610a. There may be some gaps or spaces for pulling.

(0345) The steam generator 612 ′ may generate steam, and the steam may be discharged upward toward the sweeper assembly 900 and/or into the interior cases 160 and 150 at the front and rear ends. The upper and lower guides 930 of the steam generator 612 ′ may include openings through which steam generated by the steam generator 612 ′ can be discharged. The steam can cause debris, oil, dust, or other foreign matter accumulated in the suction grill 210' to be separated, so that the sweeper 910 makes it easier to wipe off the foreign matter and clean the suction grill 210. I can.

(0346) Referring to FIG. 37 to FIG. 38C, the lower guide 930 may include at least one steam nozzle or ejector 940. The steam nozzle 940 may be coupled to the steam generator 612 ′ through an internal pipe or channel located in the lower guide 930. There may be a left steam nozzle 940 located on the left side of the steam generator 612 ′ and a right steam nozzle 940 located on the right side, and there may be an additional steam nozzle 940. Alternatively or in addition, the upper guide 920 may include at least one steam nozzle 940, which is a pipe extending along the side of the front inner case 160 and/or the outer case 110 ′. Alternatively, it may be coupled to the steam generator 612' through a channel.

(0347) The inside of the lower guide 930 may include a passage configured to guide the falling waste back down to the inside of the liquid storage container 610'. Like the liquid storage container 610 described with reference to FIG. 1 to 27, the liquid storage container 610' is a first (ie, left) container filled with a cleaning solution, and a suction grill by the sweeper 910. It can be separated into a second (i.e. right) bin for collecting condensate, debris, or other residue separated from 210'.

(0348) The rear surface of the sweeper 910 may comb the suction grill 210 ′. The sweeper 910 may comprise bristles, brushes, felt materials, or other soft materials configured to separate debris. A rectangular frame or case may surround the front surface of the sweeper 910 (i.e., a surface facing away from the suction grill 210 ′). It may be a cylindrical round brush that rotates in. The motor for rotating the sweeper 910 may be located inside the rectangular frame or inside one of the upper or lower guides 920 and 930.

(0349) Alternatively, the sweeper 910 may be formed as a rectangular block or bar comprising bristles, brushes, felt material, or other soft material, only on the rear surface facing the suction grill 210 ′. have. As another alternative example, the entire sweeper 910 may be cylindrical and may not include a rectangular frame. The embodiments described herein are not limited to the described configuration of the sweeper 910.

(0350) The suction grill 210 ′ is a structure of the suction grill 210 ′ configured to filter the sucked air, and may include various grooves or gaps. The bristle made of a soft material of the sweeper 910 may be configured to enter a groove or a gap of the suction grill 210 ′ to effectively scrape and separate the debris.

(0351) The entire sweeper 910 may be configured to slide in a horizontal direction between the upper guide 920 and the lower guide 930. The upper guide 920 and the lower guide 930 may include, for example, rails or grooves configured to be coupled with rails or grooves formed on the upper and lower portions of the sweeper 910. A motor or actuator may drive the sliding movement of the sweeper 910. As an example, the sweeper 910 may slide left and right through a rack, a gear, and a pinion, but embodiments disclosed herein are not limited thereto.

(0352) The automatic sweeping operation by the sweeper assembly 900 is performed periodically in a regular operation, after a cooking operation, or by an air quality sensor located in the front inner case 160 and/or the outer case 110 ′. It can be performed based on what is sensed. The user may instruct a manual sweeping operation through the display 130'. The first step of the sweeping operation may be that the second housing 200 ′ is raised so that the suction grill 210 ′ is exposed through the opening 165a of the tip inner case 160. This position may correspond to that the suction grill 210 ′ is completely inserted into the inner case 160 at the tip end. The fan 300' may be turned off.

(0353) Discharge of steam through the steam generator 612 ′ and the steam nozzle 940 may be optional. For example, a moisture sensor or a liquid sensor may be positioned in the liquid storage container 610'. If the liquid sensor detects that there is not enough liquid to generate steam in the liquid storage container 610', the sweeper 910 does not turn on the steam generator 612' and passes through the steam nozzle 940. It can be slid left and right to sweep away debris without steam being released.

(0354) Referring to FIG. 39, when the suction grill 210 ′ requires more powerful cleaning, the suction grill 210 ′ may be cleaned, repaired, or replaced by a user or a dishwasher. 2 It may be separated from a through hole or an opening 210a' formed in the front surface of the housing 200'. The suction grill 210 ′ may be screwed off, or alternatively, may be simply lifted according to the coupling to the second housing 200 ′. After cleaning, repair, or replacement, the suction grill 210' may be inserted into the opening 210a' and press-fit again. The suction grill 210 ′ may be further fixed through screws, magnetic coupling, and/or a plurality of grooves and ribs formed in the suction grill 210 ′ and the opening 210a ′ for press-fitting. The coupling of the suction grill 210 ′ to the second housing 200 ′ may be fixed to sufficiently withstand the force from the sweeper assembly 900.

(0355) Referring to FIGS. 40A and 40B, when the fan 300 ′ is operated, air flows upward through the second housing 200 ′ and the front inner case 160 to the suction grill 210 ′. It may be sucked through the fan through hole 300a, and may be sucked into the rear inner case 150 to be discharged by the fan 300 ′. The suction grill 210 ′ may be formed on the front surface of the second housing 200 ′ to suck ambient air from the top of the stove, and the rear surface of the second housing 200 ′ is the second rail 420 '), the second rail 420' may be coupled to the first rail 410' and the motor 453'. The lower portion of the rear inner case 150 may include a height sensing assembly similar to the sensor assembly 700 described with reference to FIGS. 1 to 27. The height adjustment of the second housing 200 ′ and control of the motor 453 ′ may be based on what is sensed by the height sensing assembly. Alternatively or in addition, the user may manually raise or lower the second housing 200 ′ by inputting an instruction to the user interface of the display 130 ′ through a mobile or web application, or a voice instruction.

(0356) At least one side of the front inner case 160 or the rear inner case 150 may include an air quality sensing assembly similar to the air quality sensing assembly 500 described with reference to FIGS. 1 to 27. The operation of the fan 300 ′ and the sweeper assembly 900 may be controlled based on what is sensed by the air quality sensing assembly and based on the height of the second housing 200 ′. Alternatively or in addition, the user may manually control the operation of the sweeper assembly 900 by inputting an instruction to the user interface of the display 130 ′ through a mobile or web application, or a voice instruction. The sweeper assembly 900 may not be operated when the second housing 200 ′ is lowered. The sweeper assembly 900 may be configured to operate automatically when it is raised so as to be completely inserted into the first housing 100 ′ after an air purification or washing operation during cooking.

(0357) Figures 41 and 42 are alternative liquid storage containers that slide into and out of the rear inner case 150 instead of being mounted on the front inner case 160 (Fig. 38c) behind the door 111 ′. (610"). The liquid storage container 610" is filled with a cleaning liquid and the other is a first (ie, right) container or a second container to collect residues, condensate, or residues collected during steam cleaning. It may have one container 610a" and a second (ie, left) container or a second container 610b". The rear inner case 150 may include a container guide or container frame 611 ′ defining an opening into which the first and second containers 610a" and 610b" are inserted. The container guide 611" may be located under the rear inner case 150", and may not be covered by the outer case 110".

(0358) The first container 610a" and the second container 610b" may slide into and out of the container guide 611" through rails 680a and 680b, respectively. The rails 680a and 680b ) May be combined with a rail or groove formed under the container guide 611" inside the rear inner case 150. The rails 680a and 680b may be respectively coupled to the cover 220", and the cover 220" allows the user to obtain the first container 610a" and the second container from the container guide 611". 610b") may serve as a handle that can be pulled to separate. The first container 610a" and the second container 610b" are provided with the rails 680a and 680b so as to fill liquid or discard debris. It can be lifted and separated from the cover 220". The cover 220" is the rear inner case 150 to provide a uniform and smooth appearance when the first container 610a" and the second container 610b" are completely inserted into the container guide 611". It may be formed of the same or similar material as.

(0359) The first container 610a" may include a seal 615 ″ similar to the seals 615 and 615 ′ described with reference to Figs. 27 and 28 to 40B, respectively, in Figs. It is configured to be coupled to a water heater located inside the container guide 611" between (for example, the center) between the first container 610a" and the second container 610b". The seal 615" is the water. It may be elastic to be opened by being pressed into a hollow protrusion extending from the heater, or alternatively may include a valve configured to be opened and closed. Condensed water may be collected in the second container 610b'.

(0360) Alternatively, there may be only one container 610a" inserted into the first side of the container guide 611", and the water heater is the container guide ( 611") may be located inside the second side or inside the rear inner case 150. The seal 615" may be coupled to the steam generator 612 at the first side.

(0361) As an alternative to the magnetic coupling of the suction grill 210 as described with reference to Figure 5, the edge of the opening (210a) is the suction to fix the suction grill (210) to the opening (210a). The grill 210 may include at least one of a groove or a rib configured to be coupled to at least one of a rib or groove provided at an edge of the grill 210, respectively.

(0362) As an alternative to the configuration of the fan 300 described with reference to FIG. 12, the fan 300 may be positioned such that the axial direction of the fan 300 is aligned with the left and right directions. As another alternative, if the exhaust grill is formed on the side of the first housing 100 instead of the top, the fan 300 may be positioned so that the axial direction of the fan 300 is vertically aligned, and the fan The housing 310 may be oriented to guide air to the outside of the exhaust grill on the side. Although the fan 300 has been described as being turned off when the steam generator 312 generates steam, as another alternative, the fan 300 can be turned on during operation of the steam generator 312 (for example, the After the steam generator 312 starts to operate, a predetermined period of time or longer) and the newly generated steam may be discharged to the outside of the kitchen hood 1.

(0363) As an alternative to the structure of the condensed water guide 650 and the first and second condensed water passages 662a, 663a described with reference to FIGS. 11 and 12, the condensed water guide 650 is the first condensed water passage It may be formed integrally with (662a), it may be inserted through the damper assembly 662 to communicate with the second condensed water passage (663a). In another similar alternative, the bottom plate 655 of the condensate water guide 650 is such that the damper assembly 662 and the liquid guide 663 form one long passage inserted to communicate with the liquid storage container 610. It may be formed integrally with both the first condensed water passage 662a and the second condensed water passage 663a. The lid 614 may be optional in this embodiment.

(0364) In another alternative example, the inner walls 664 and 665 may be rectangular plates extending from the front end to the rear end to partition the left and right sides of the damper assembly 662. In this embodiment, the gear 661 (FIG. 12) rotating the damper 660 is inside the left and right sides of the damper assembly 662 so as to be protected from condensate guided down to the liquid guide 663. Can be surrounded. The first condensed water passage 662a (FIG. 21) may be located between the inner walls 664 and 665, or alternatively, the first condensed water passage 662a may be omitted, and the condensed water may be used in the inner wall ( It can be guided down to the liquid guide 663 through the space defined between 664 and 665. The opening 650a may be formed as a slit extending from the front end to the rear end of the bottom plate 655 of the condensed water guide 650, and liquid may fall between the inner walls 664 and 665. In a similar alternative, there may be a plurality of openings 650a arranged linearly from the front end to the rear end of the condensate water guide 650. The inner walls 664 and 665 may be selectively formed with a plurality of tabs or ribs, or may form a plurality of first condensed water passages 662a corresponding to the plurality of openings 650a. In this configuration, the bottom plate 655 may be inclined from left to right downward toward the slit or the plurality of openings 650a.

(0365) As another alternative, the first condensed water passage 662a and the second condensed water passage 663a may be omitted, and the liquid is passed through the damper assembly 662 and the liquid guide 663. ) Can be dropped directly through the opening 650a, and the dimensions and locations of the opening 650a, the damper assembly 662, the liquid guide 663 and the liquid storage container 610 are condensed water, oil, dust, And it may be configured to guide another liquid back to the second cylinder (610b). In this alternative configuration, the damper assembly 662 and the lower portion of the liquid guide 663 can be formed to align with the opening and the slit and can be inclined to guide the liquid towards the opening.

(0366) As another alternative to the air quality sensing assembly 500 and the height adjustment step described with reference to FIG. 25, the air quality sensing assembly 500 is attached to the second housing 200 adjacent to the suction grill 210 In addition, the height of the second housing 200 may be continuously adjusted to a position in which the level of contamination detected by the air quality sensing assembly 500 is highest.

(0367) Although the tabs 651 (FIGS. 17 to 20) of the condensate guide 650 are inclined to facilitate downward movement of the condensate toward the liquid storage container 610, alternatively, the tab 651 ) May protrude flat or may be orthogonal to the side plate 654.

(0368) The kitchen hood 1 can be salsaized as a rental unit that is easy to install through the bracket 2. The display 130 may periodically notify the user of when the kitchen hood 1 is serviced and the exterior, air quality sensing assembly 500, sensor assembly 700, and suction grill 210 are checked.

(0369) When a component or layer is described as being on another component or layer, the component or layer may be directly on the other component or layer, or may be interposed between the other component or layer. have. Conversely, when it is described that a component or layer is directly on another component or layer, it should be understood that no other component or layer exists in the middle. As used herein, the term "and/or" includes all combinations of one or more of the items listed in connection with it.

(0370) Although terms such as first, second, third, etc. are used to describe various elements, regions, layers and/or parts, these elements, regions, layers and/or parts This should not be limited. These terms are only used to distinguish one element, region, layer or portion from another element, region, layer or portion. Accordingly, a first component, region, layer, or portion may be referred to as a second component, region, layer, or portion without departing from the scope of the present invention.

(0371) Spatially relative terms such as “lower” and “upper” may be used herein to easily describe the relationship of one component or feature to another component or feature as shown in the drawings. Spatially relative terms should be understood to be intended to include other orientations of the device for use or operation, in addition to the orientations shown in the figures. For example, if the device shown in the figures is turned over, a component described as "bottom" with respect to another component or feature will be positioned "upper" with respect to the other component or feature. Thus, the exemplary term “lower” may include both an upper direction and a lower direction. Devices may be positioned to face differently (rotated 90 degrees or in different directions) so that the spatially relative description used herein is interpreted differently.

(0372) The terms used herein are for describing specific embodiments and are not intended to limit the present invention. Singular expressions used herein include terms and plural expressions that are not clearly differently explained in the context. It should be understood that the terms "comprise" and/or "comprising" herein specify the presence of the recited feature, integer, step, operation, component, and/or configuration, and one or more other features. , The presence or addition of integers, steps, operations, elements, and/or configurations is not excluded.

(0373) The disclosed embodiment is described with reference to a cross-sectional view, which is a schematic disclosure of an ideal embodiment (and intermediate structure). Thus, there may be variations from the depicted shape, for example as a result of manufacturing techniques and/or tolerances. Accordingly, the disclosed embodiments should not be construed as being limited to the specific shape of the region disclosed herein, but should be construed as including, for example, a change in shape due to manufacturing.

(0374) Unless otherwise defined, all terms used herein including technical or scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. In addition, terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with their meaning within the scope of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined herein. do.

(0375) In this specification, references to “one embodiment”, “an embodiment”, “exemplary embodiment” and the like refer to at least one embodiment of the present invention in which a specific feature, structure, or characteristic described in connection with the embodiment Means included in. The appearances of these phrases in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted within the scope of the understanding of those skilled in the art to indicate that feature, structure, or characteristic in relation to another one of the embodiments.

(0376) Although the embodiments have been described with reference to a number of exemplary embodiments, it is noted that many other modifications and embodiments may be devised by those of ordinary skill in the art so that they are within the spirit and scope of the principles of this disclosure. It must be understood. More specifically, within the scope of this disclosure, drawings, and appended claims, various modifications and variations are possible in the components and/or configurations of the combination configuration. Additionally, variations and modifications will be apparent to those skilled in the art in component parts and/or arrangements, alternative uses.

1: kitchen hood 2: bracket
20: hook 30: bracket hook
40: protrusion 100: first housing
110: outer housing 111: door
112: protrusion (seal) 112a: opening
112b: space 113: letch
114: hinge 116: end panel (end plate)
117: upper panel (upper plate) 118: side panel (side plate)
119: lower panel (lower plate 119a: lower opening
120: inner housing 121: outer wall
122: inner wall 130: display
131: printed circuit board 132: LED
133: through hole 140: first housing upper frame
140a: upper opening 141: first upper frame
141a: opening 142: second upper frame
142a: opening 152: flange
152a: hook 160, 160': inner tip case
161: supporting jaw 161a: supporting protrusion
162: chin 165: cover
165a: sweeper opening 165b: opening
200: second housing 210: suction grill
210a: opening 220: front plate
221: handle 230: door
231: bar 232: upper jaw
240: second housing upper frame 241: first upper frame
242: second upper frame 250: rear plate
260: front plate 300: fan
300a: fan hole 310: fan housing
400: sliding assembly 410,410': first rail
420,420': second rail 450: sliding assembly
451: rack 452: gear
452a: gear cover 453: motor
454: housing 500: sensor assembly
510a: first molecular passageway 510b: first molecular passageway
510c: first molecular path path 520a: first sensor
520b: second sensor 520c: third sensor
530: printed circuit board 600: steam cleaning assembly
610: liquid storage container 610a: first container
610b: second container 611: container guide
611": container frame 612, 612': steam generator (heater)
613: tip frame 614: lead
614a: guide 614b: opening
615,615': seal 615": seal
617: opening 617a: opening
650: condensate collector 650a: opening
651: tab (plate) 652: curved surface
652R: Right curved part 652L: Left curved part
652a: groove 653: front plate and rear plate
653a: front plate 653b: rear plate
653c: sidebar 655: floor plate
654: side plate 660: damper
660L: left damper 660R: right damper
660a: hinge 661: gear
661L: left gear 661R: right gear
662: damper assembly 662F: tip wall
662R: rear end wall 662a: first condensed water passage
663: liquid guide 663a: second condensation water passage
664: inner wall 665: inner wall
666: outer wall 667: outer wall
668: rack 668L: left rack
668R: Right rack 670: Steam distributor
671: tube (pipe) or channel
672: nozzle 680a: rail
680b: rail 700: sensor assembly
701: proximity sensor 702: height sensor
703: illumination 703a: light-emitting diode
704: cover 705: sensor mount
800: fire emergency assembly 810: nozzle
820: fire detector 900: sweeping assembly
910: sweeper 920: upper header
930: lower header

Claims (22)

housing;
A fan provided inside the housing to suck in air;
An inlet formed in the housing and through which air is sucked;
An outlet formed in the housing and through which air is discharged;
A suction grill covering the inlet; And
It includes a steam cleaning assembly provided in the interior of the housing and configured to generate steam and distribute the steam to the interior of the housing,
The steam cleaning assembly comprises: a container configured to store a liquid;
A heater configured to heat the liquid to generate steam from the stored liquid; And
A steam distributor connected to the heater and provided on the suction grill,
The steam distributor is a kitchen hood having at least one nozzle configured to provide steam to the interior of the housing.
The kitchen hood according to claim 1, wherein the steam distributor is formed as a tube, and an inner space of the tube guides the steam from the heater.
The method of claim 2, wherein the tube has an outer surface and an inner surface opposite to each other, the outer surface facing the inner surface of the housing, and the nozzle is formed on at least one of the inner surface and the outer surface. And a nozzle on the inner surface of the kitchen hood configured to discharge steam toward the center of the housing.
The kitchen hood according to claim 1, wherein the at least one nozzle comprises a plurality of nozzles spaced at equal intervals along at least one side surface of the steam distributor.
The method of claim 1, further comprising a condensed water guide coupled to the inner surface of the housing and configured to collect condensed water of steam and guide the condensed water toward the container, and the steam distributor is coupled to an upper portion of the condensed water guide, and the The container and heater are kitchen hoods that are located under the condensed water guide.
The method of claim 5, wherein the condensate water guide is:
A front plate having an upper portion and a lower portion;
A rear plate having an upper portion and a lower portion and coupled to the inner surface of the housing together with the front plate; And
And a plurality of plates positioned between the front plate and the rear plate and configured to guide condensed water downward, wherein the steam distributor is coupled to an upper portion of the front plate and the rear plate.
The method of claim 6, wherein the plurality of plates includes a plurality of left plates positioned between the left edge of the front plate and the rear plate, and a plurality of right plates positioned between the right edge of the front plate and the rear plate, and the The lower part of the front plate and the rear plate has a trapezoidal shape, so the left and right edges are inclined inward from top to bottom, and the plurality of left plates form a left step, and a plurality of right plates form a right step. Kitchen hood.
The method of claim 6, wherein the condensed water guide further comprises left and right side plates extending between left and right edges of the upper portion of the front plate and the rear plate, and the left and right side plates are inner surfaces of the housing. Or a kitchen hood coupled to at least one of a plurality of the plates.
The kitchen hood according to claim 6, wherein a frame is positioned between a bottom of the condensed water guide and an upper portion of the container, and the frame has a passage through which condensed water flows from the bottom of the condensate guide to the container.
The kitchen hood of claim 6, wherein the heater is located at a rear end of the housing, and the first tube of the steam distributor is connected to the heater through an opening in an upper portion of the rear plate.
The kitchen hood according to claim 1, wherein the container is configured to be detachable from the housing so that the liquid is manually filled in the container.
The method of claim 1, wherein the housing comprises a first housing and a second housing configured to move relative to the first housing, and the fan is coupled to the first housing, and the outlet is formed in the first housing. And, the inlet is formed in the second housing, and the steam cleaning assembly is located in the second housing.
housing;
A fan provided inside the housing to suck in air;
An inlet formed in the housing and suctioning air;
An outlet formed in the housing and through which air is discharged;
A suction grill covering the inlet; And
And a steam cleaning assembly positioned inside the housing and configured to generate steam and distribute steam to the inside of the housing,
The steam cleaning assembly:
A container having first and second portions and configured to be manually separated from the housing so as to be able to fill the first portion of the container with a liquid;
A heater configured to heat a liquid in the first portion of the container to generate steam; And
A kitchen hood including a condensed water guide positioned above the container and configured to guide condensed water of the steam generated to the second portion of the container to be discarded when the container is separated.
The kitchen hood according to claim 13, wherein the container is configured to slide in a horizontal direction from the front end of the housing to be separated.
14. The method of claim 13, further comprising a lid having a first portion and a second portion to cover the first portion and the second portion of the container, respectively, and the second portion of the lid is condensed water as a second portion of the container. A kitchen hood with an inclined surface to guide the
The method of claim 13, further comprising a steam distributor coupled to an upper portion of the condensed water guide, the tube of the steam distributor is connected to the heater, and the steam distributor is a plurality of nozzles for discharging the steam supplied through the tube. Hood for the kitchen.
14. The kitchen hood of claim 13, further comprising a frame positioned between the condensed water guide and the container, the frame forming a passage through which condensed water is guided from a lower portion of the condensed water guide to the second portion of the container.
The method of claim 13, wherein the condensed water guide includes a plurality of right plates forming a right staircase and a plurality of left plates forming a left staircase, and each of the left and right plates is inclined downward to guide the condensate downward. Hood for the kitchen with a.
The method of claim 13, wherein the lower portion of the housing includes a container passage configured to insert the container, and the container includes a front plate having a handle, and the front plate is removed from the housing by pulling the handle. Kitchen hood exposed to the outside of the housing to be separated.
The method of claim 1, wherein the housing comprises a first housing and a second housing configured to vertically move an interior of the first housing between the first and second positions,
In the first position, the container is housed in the first and second housings to prevent the container from being separated, and
In the second position, the container is accommodated in the second housing and is exposed from the first housing to separate the container from the second housing.
A second housing configured to move in a vertical direction from a first position to a second position with respect to the first housing and the first housing;
A fan positioned inside the upper portion of the first housing to suck in air;
An inlet formed in the second housing and through which air is sucked;
An outlet formed in the first housing and through which air is discharged;
A suction grill that covers the inlet, at a first position, one side of which is at least partially exposed from the first housing, and at a second position, one side of which is covered by the first housing;
A container positioned in the second housing and configured to generate and distribute steam, and having a first portion and a second portion, a heater that heats the liquid in the first portion to generate steam, and a plurality of guiding the generated steam And a steam cleaning assembly comprising at least one nozzle for distributing steam from at least one of the plurality of tubes and the plurality of tubes,
During the steam cleaning operation, the second housing is moved to the second position, the heater is turned on to generate steam distributed by the steam cleaning assembly, and the fan is configured to form condensed water and a second part of the container. The kitchen hood is maintained in an off state for a first predetermined time to be collected in the kitchen, and the fan is turned on after the first predetermined time.
22. The kitchen hood according to claim 21, wherein the steam cleaning operation is automatically performed based on at least one of lapse of time, air quality or past history of use, or user preference.

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