WO2018214275A1

WO2018214275A1 - Thin extractor hood

Info

Publication number: WO2018214275A1
Application number: PCT/CN2017/094541
Authority: WO
Inventors: 蒋济武; 彭小康; 宋祖龙
Original assignee: 广东美的厨房电器制造有限公司; 美的集团股份有限公司
Priority date: 2017-05-23
Filing date: 2017-07-26
Publication date: 2018-11-29

Abstract

Disclosed is a thin extractor hood (100), comprising a smoke extraction device (102) and a cleaning device (104). The smoke extraction device (102) comprises a volute casing (106) and an air intake ring (108), wherein the volute casing (106) is provided with an air intake opening (110), the air intake ring (108) is mounted at the air intake opening (110), the air intake ring (108) comprises a fluid-receiving structure (112), the fluid-receiving structure (112) is provided with a fluid-receiving groove (114), the fluid-receiving groove (114) is opposite an edge of the air intake opening (110), and the cleaning device (104) is used for producing a cleaning fluid sprayed into the volute casing (106).

Description

Thin hood

Priority information

The present application claims priority to and the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit of the benefit.

Technical field

The invention relates to the technical field of household appliances, and more particularly to a thin type hood.

Background technique

In the related art, the range hood is a kitchen appliance that purifies the kitchen environment. The range hood is installed above the stove in the kitchen, which can remove the gaseous pollutants generated by the stove and the smoke generated during the cooking process to the outside to achieve the purpose of purifying the kitchen air.

At present, according to the fan arrangement form, the range hood includes a thin type hood. The plane of the internal fan volute air inlet of the thin hood is substantially parallel to the plane of the stove.

When the automatic cleaning device of the range hood cleans the oil on the volute and the impeller, for the thin type hood, the water droplets generated during the cleaning easily overflow from the air inlet of the volute, forming dripping water, thereby affecting the normal use of the user.

Summary of the invention

The present invention aims to at least solve one of the technical problems existing in the related art. To this end, embodiments of the present invention need to provide a thin type hood.

A thin type hood according to an embodiment of the present invention includes a smoking device and a cleaning device, the smoking device includes a volute and an air inlet ring, the volute is provided with an air inlet, and the air inlet ring is installed in the air inlet At the tuyere, the air inlet ring includes a liquid receiving structure, the liquid receiving structure is provided with a liquid receiving groove, the liquid receiving groove is opposite to an edge of the air inlet, and the cleaning device is configured to generate the volute The cleaning fluid sprayed inside.

In the above thin-type hood, the liquid-contacting groove of the liquid-contacting structure can catch the falling droplets in the volute, and solve the dripping problem caused by the cleaning of the thin-type hood, and ensure the normal use of the user.

In some embodiments, the air inlet ring includes a flow guiding structure connected to a side of the liquid receiving structure, the flow guiding structure is provided with a guiding groove, and the guiding groove is The liquid bath is connected.

In certain embodiments, the flow guiding structure and the wetted structure are a unitary structure.

In certain embodiments, the thin hood includes a reservoir, the trailing end of the shroud being curved to the reservoir.

In certain embodiments, the thin hood includes a liquid storage container, the tail end of which is horizontal.

In some embodiments, the depth of the wetted tank gradually increases toward the flow guiding groove.

In some embodiments, the air inlet ring includes a rib disposed on an inner side of the liquid receiving groove, the rib being snapped onto the volute.

In some embodiments, the volute is formed with an everted edge at the air inlet, and the rib is snapped over the outer flange.

In some embodiments, the cleaning device includes a steam generator and a spout, the steam generator and the spout are connected by a pipe, and the smoking device includes an impeller located in the volute, the spray A tube is at least partially located within the volute and is for injecting steam generated by the steam generator to the impeller.

In some embodiments, a motor is disposed in the volute, an output shaft of the motor is coupled to the impeller, an intermediate portion of the impeller is disposed with an accommodating space, and the motor is disposed in the accommodating space. .

In certain embodiments, the thin hood includes a housing and a condensing plate assembly, the housing and The condensing plate assemblies are connected and collectively form a receiving space, and the volute and the air inlet ring are located in the receiving space.

In some embodiments, the condensing plate assembly includes a panel and two screens, the panel having two through holes, each of the through holes being in aligning communication with a corresponding one of the air inlets, each The screen is installed at a corresponding one of the through holes, and an oil collecting cup is installed at a lower end of the screen.

In certain embodiments, the wetted tank is annular.

In some embodiments, the flow guiding trough is composed of a straight section and a lower curved section, one end of the straight section is connected to the outlet of the liquid receiving tank, and is inclined downward by a certain angle, the straight The other end of the segment is smoothly connected to the lower curved portion, and the lower curved portion can serve as the trailing end of the flow guiding groove.

In some embodiments, the flow guiding trough is composed of a straight section and a horizontal section, one end of the straight section is connected to the outlet of the liquid receiving tank, and is inclined downward by an angle, the straight section The other end is connected to the horizontal section, and the horizontal section can serve as the trailing end of the flow guiding groove.

Additional aspects and advantages of the embodiments of the invention will be set forth in part in the description.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic perspective view of a thin type hood according to an embodiment of the present invention.

2 is an exploded perspective view of a thin type hood according to an embodiment of the present invention.

Fig. 3 is a partial cross-sectional view showing a thin type hood according to an embodiment of the present invention.

Figure 4 is an enlarged schematic view of the portion IV of the thin-type hood of Figure 3.

Fig. 5 is a perspective view showing the air inlet ring of the thin type hood according to the embodiment of the present invention.

Fig. 6 is a schematic cross-sectional view showing an air inlet ring of a thin type hood according to an embodiment of the present invention.

Fig. 7 is another schematic cross-sectional view showing the air inlet ring of the thin type hood according to the embodiment of the present invention.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include one or more of the described features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, or may be electrically connected or may communicate with each other; may be directly connected or indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the invention. In addition, the present invention may be repeated with reference to the numerals and/or reference numerals in the various examples, which are for the purpose of simplification and clarity, and do not indicate the relationship between the various embodiments and/or settings discussed. Moreover, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the use of other processes and/or the use of other materials.

1 to 4, a thin type hood 100 according to an embodiment of the present invention includes a smoking device 102 and a cleaning device 104. The smoking device 102 includes a volute 106 and an air inlet 108. The volute 106 is provided with an air inlet 110. The air inlet ring 108 is installed at the air inlet 110, and the air inlet ring 108 includes a liquid inlet In the structure 112, the liquid-repellent structure 112 is provided with a liquid-groove 114, which is opposite to the edge of the air inlet 110, and the cleaning device 104 is used to generate the cleaning liquid sprayed into the volute 106.

In the above-mentioned thin hood 100, the liquid receiving groove 114 of the liquid receiving structure 112 can catch the falling liquid droplets in the volute 106, thereby solving the dripping problem caused by the thin hood 100 and ensuring the normal use of the user.

Specifically, in the embodiment of the present invention, when the thin hood 100 is used, the plane of the air inlet 110 of the volute 106 is substantially parallel to the plane where the kiln is located, so that the thin hood 100 occupies less space.

In some embodiments, the cleaning device 104 can include, but is not limited to, a steam washing device. Specifically, when the cleaning device 104 is a steam washing device, please refer to FIG. 2, the cleaning device 104 includes a steam generator 116 and a nozzle 118, and steam. The generator 116 and the nozzle 118 are connected by a pipe, and the smoking device 102 includes an impeller 120 located within the volute 106, the nozzle 118 being at least partially located within the volute 106 and for injecting steam generated by the steam generator 116 to the impeller 120. .

Thus, the steam as the high-temperature cleaning liquid cleans the inside of the impeller 120 and the volute 106, so that the oil accumulated in the impeller 120 and the volute 106 is easily washed away, and the cleaning effect of the thin-type hood 100 is ensured.

With the rest, the impeller 120 is located in the volute 106 and corresponding to the air inlet 110. The impeller 120 rotates to suck the soot from the air inlet 110, and discharges the soot from the side of the impeller 120, and is guided by the volute 106 to the thin hood 100. The exhaust vent 122.

In addition, a motor (not shown) that drives the impeller 120 to rotate is disposed in the volute 106, and an output shaft of the motor is coupled to the impeller 120. An accommodating space 124 is disposed in an intermediate portion of the impeller 120, and the motor can be disposed in the accommodating space 124. This achieves a compact installation of the motor.

In the embodiment of the present invention, the thin hood 100 includes two motors and two impellers 120. Two motors and two impellers 120 are located in the volute 106. The volute 106 is provided with two air inlets 110, and each of the air inlets 110 Corresponding to one impeller 120. In this way, the thin hood 100 of the double impeller 120 can be realized, and the smoke absorbing ability of the thin hood 100 is increased.

In some embodiments, the wetted tank 114 is annular, such that there is no need for a special design for the edge of the air inlet 110, and the liquid channel 114 can catch droplets falling within the volute 106.

In some embodiments, the liquid receiving groove 114 may be linear, curved or curved, and the liquid receiving groove 114 may be disposed at a lower edge of the air inlet to facilitate catching the falling liquid droplets in the volute 106. .

It can be understood that the form of the liquid receiving groove 114 is not limited to the form discussed above, as long as the liquid receiving groove 114 can catch the falling liquid droplets in the volute 106.

In some embodiments, the thin hood 100 includes a housing 126 and a condensing plate assembly 128 that are coupled and collectively form a receiving space 130 in which the volute 106 and the inlet ring 108 are located. . This allows the thin hood 100 to be relatively easy to install as a whole, and the condensing plate assembly 128 can reduce the temperature of the soot so that some of the soot can adhere to the condensing plate assembly 128, reducing the smoke exhausting load of the smoking device 102. At the same time, the condensing plate assembly 128 acts as the lower panel of the thin hood 100, which also makes it easier for the user to clean the condensing plate assembly 128.

In the embodiment of the present invention, the condensing plate assembly 128 includes a panel 132 and two screens 134. The panel 132 defines two through holes 136, each of which is in aligning communication with a corresponding one of the air inlets 110. Each screen 134 is mounted at a corresponding one of the through holes 136, and the lower end of the screen 134 is provided with an oil collecting cup 138.

In some embodiments, the air inlet ring 108 includes a flow guiding structure 140. The flow guiding structure 140 is connected to the side of the liquid receiving structure 112. The guiding structure 140 is provided with a guiding groove 142, the guiding groove 142 and the liquid guiding groove 114. Connected. In this way, the liquid in the liquid receiving tank 114 can be conveniently guided to the set position of the thin hood 100 to facilitate the collection of the liquid in the liquid receiving tank 114.

When the thin hood 100 of the embodiment of the present invention is cleaned, the water vapor generated by the steam generator 116 is piped to the nozzle 118, and the water vapor is sprayed from the nozzle 118 into the impeller 120 and the volute 106, and within the volute 106. The water droplets condensed on the impeller 120 fall just in the liquid inlet groove 114 of the air inlet ring 108, and are led out by the flow guiding groove 142, thereby solving the dripping problem caused by the cleaning of the thin type hood 100.

In certain embodiments, the flow directing structure 140 and the wetted structure 112 are unitary structures. In this way, the sealing of the joint between the liquid-contacting structure 112 and the flow guiding structure 140 is better, and the leakage of the liquid is avoided. At the same time, the cost of the integral structure of the wetted structure 112 and the flow guiding structure 140 is also low.

Specifically, in one example, the air inlet ring 108 can be made of plastic, and the air inlet ring 108 with the liquid contact structure 112 and the flow guiding structure 140 can be directly fabricated using an integral molding process. It can be understood that the air inlet ring 108 can also be manufactured by other materials and processes, and is not specifically limited herein.

In some embodiments, referring to FIG. 6, the thin hood 100 includes a reservoir 144 having a trailing end 146 that is curved toward the reservoir 144. As such, the curved end of the tail end 146 of the flow guiding groove 142 solves the problem that the liquid droplets splash along the flow guiding groove 142 during the guiding process.

Specifically, in the embodiment of the present invention, the guide groove 142 is composed of a straight section 148 and a lower curved section 150. One end of the straight section 148 is connected to the outlet 152 of the liquid receiving tank 114, and is inclined downward by a certain angle to Conducive to the liquid is discharged from the liquid guiding groove 114, the other end of the straight section 148 is smoothly connected with the lower curved section 150, and the liquid which is led out from the straight section 148 is attached to the surface of the guiding groove 142, and is guided by the guiding of the lower curved section 150. The direction is smoothly turned downward and flows into the liquid storage container 144 disposed below the flow guiding groove 142. The lower curved section 150 can serve as the trailing end 146 of the flow guiding groove 142.

In other embodiments, the flow guiding groove 142 may also be directly composed of the lower curved section 150, and the trailing end of the lower curved section 150 serves as the trailing end 146 of the guiding groove 142.

The reservoir 144 is used to store a liquid, such as water droplets, that is diverted from the inlet ring 108. In the embodiment of the present invention, the liquid storage container 144 may be attached to the lower end of the housing 126 by screwing or snapping.

In certain embodiments, referring to Fig. 7, the thin hood 100 includes a reservoir 144 with the trailing end 146 of the guide 142 being horizontal. As such, the flow guide groove 142 can direct the liquid in the flow guide groove 142 to the liquid storage container 144 relatively quickly.

Specifically, the flow guiding groove 142 is composed of a straight section 148 and a horizontal section 154. One end of the straight section 148 is connected to the outlet 152 of the liquid guiding groove 114, and is inclined downward by a certain angle to facilitate the liquid being discharged from the liquid guiding groove 114. The other end of the straight section 148 is connected to the horizontal section 154. The liquid discharged from the straight section 148 is attached to the surface of the guide groove 142, and is guided by the straight section 148 into the horizontal section 154, so that the flow direction is turned downward and flows in. It is disposed in the liquid storage container 144 below the flow guiding groove 142. Horizontal section 154 can serve as the trailing end 146 of the flow channel 142.

In some embodiments, the depth D of the wetted tank 114 gradually increases in the direction of the flow channel 142. In this way, the liquid in the liquid guiding tank 114 is facilitated to flow into the flow channel 142, and the amount of liquid remaining in the liquid receiving tank 114 can be reduced.

In some embodiments, referring to FIGS. 4 and 5, the air inlet ring 108 includes a rib 156 disposed on the inner side of the liquid receiving groove 114, and the rib 156 is snapped onto the volute 106. As such, the inlet ring 108 is facilitated to be mounted on the volute 106.

Specifically, in the embodiment of the present invention, the rib 156 is formed as an annular rib 156. In other embodiments, the ribs 156 may also be formed as segments spaced along the inner side of the wetted tank 114. In addition, referring to FIG. 5 , a fastening portion 158 is disposed on a side surface of the liquid receiving structure 112 , and the fastening portion 158 defines a screw hole 160 , and the screw can fasten the air inlet ring 108 to the volute 106 through the screw hole 160 . .

In the embodiment of the present invention, the volute 106 is formed with an outer flange 162 at the air inlet 110, and the rib 156 is buckled on the outer flange 162. Thus, the eversion edge 162 that is buckled with the rib 156 is easier to form, reducing the cost of the thin hood 100.

Specifically, the plate member of the volute 106 can be punched to form the air inlet 110 and the outer flange 162. At the same time as the air inlet 110 is formed, the outer flange 162 is also formed.

The air inlet ring 108 of the embodiment of the present invention can fix the air inlet ring 108 to the volute 106 by only one fastening screw, which simplifies the installation process and reduces time and cost.

In the embodiment of the present invention, referring to FIG. 4, the outer flange 162 of the lower end of the air inlet 110 is formed with an inclined straight surface 164, and the upper end of the air inlet 110 is a circular arc structure 166, which contributes to the air inlet of the air inlet 110. The airflow smoothly enters the inside of the volute 106 and is quickly discharged to the outside by the impeller 120 to solve the user's soot problem. Moreover, since the noise of the hood is mainly concentrated at the air inlet 110 of the volute 106, a sound-absorbing cotton (not shown) may be disposed on the inner side 168 of the air inlet 110, and the sound-absorbing cotton can directly absorb the generated noise. Noise reduction effect. Therefore, the embodiment of the present invention can provide a design for reducing noise generated during operation of the hood, and realizing the effect of silent energy saving.

In the description of the present specification, reference is made to the terms "one embodiment", "some embodiments", The description of the "illustrative embodiments", "examples", "specific examples", or "some examples" and the like means that the specific features, structures, materials, or characteristics described in connection with the embodiments or examples are included in at least one of the present invention. In an embodiment or example. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to changes, modifications, substitutions and variations.

Claims

A thin type hood characterized by comprising a smoking device and a cleaning device, the smoking device comprising a volute and an air inlet ring, the volute being provided with an air inlet, the air inlet ring being installed at the air inlet The air inlet ring includes a liquid receiving structure, the liquid receiving structure is provided with a liquid receiving groove, the liquid receiving groove is opposite to an edge of the air inlet, and the cleaning device is configured to generate the spraying into the volute Cleaning solution.
The thin-type hood according to claim 1, wherein the air inlet ring comprises a flow guiding structure, the flow guiding structure is connected to a side of the liquid-contacting structure, and the guiding structure is provided with a guiding groove The flow guiding groove is in communication with the liquid receiving groove.
The thin-type hood according to claim 2, wherein said flow guiding structure and said liquid-contacting structure are of unitary structure.
A thin-type hood according to claim 2, wherein said thin hood comprises a liquid storage container, and a tail end of said flow guiding groove is curved in shape to said liquid storage container.
The thin-type hood according to claim 2, wherein said thin hood comprises a liquid storage container, and a tail end of said flow guiding groove is horizontal.
A thin-type hood according to claim 2, wherein a depth of said liquid guiding groove gradually increases toward said flow guiding groove.
A thin-type hood according to claim 1, wherein said air inlet ring comprises a rib provided on an inner side of said liquid receiving groove, said rib being snapped on said volute.
The thin-type hood according to claim 7, wherein the volute is formed with an outer flange at the air inlet, and the rib is buckled on the outer flange.
A thin-type hood according to claim 1, wherein said washing means comprises a steam generator and a spout, said steam generator and said spout are connected by a pipe, said smoking means comprising said worm An impeller within the casing, the nozzle being at least partially located within the volute and for injecting steam generated by the steam generator to the impeller.
A thin type hood according to claim 9, wherein said volute is provided with electricity The output shaft of the motor is connected to the impeller, and an intermediate portion of the impeller is provided with an accommodating space, and the motor is disposed in the accommodating space.
A thin-type hood according to claim 1, wherein said thin hood comprises a housing and a condensing plate assembly, said housing and said condensing plate assembly being coupled and collectively forming a receiving space, said volute and The air inlet ring is located in the receiving space.
A thin-type hood according to claim 11, wherein said condensing plate assembly comprises a panel and two screens, said panel being provided with two through holes, each of said through holes and a corresponding one of said The air inlets are aligned, and each of the screens is installed at a corresponding one of the through holes, and an oil collecting cup is mounted at a lower end of the screen.
A thin hood according to claim 1, wherein said liquid receiving groove is annular.
The thin-type hood according to claim 4, wherein said flow guiding groove is composed of a straight section and a lower curved section, and one end of said straight section is connected to an outlet of said liquid receiving tank, and is downward Tilting at an angle, the other end of the straight section is smoothly connected with the lower curved section, and the lower curved section can serve as the tail end of the guiding groove.
A thin-type hood according to claim 5, wherein said flow guiding groove is composed of a straight section and a horizontal section, and one end of said straight section is connected to an outlet of said liquid receiving tank and inclined downward At a certain angle, the other end of the straight section is connected to the horizontal section, and the horizontal section can serve as the trailing end of the guide groove.