CN116026099A - Temperature control method of refrigerator, refrigerator and computer readable storage medium - Google Patents
Temperature control method of refrigerator, refrigerator and computer readable storage medium Download PDFInfo
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- CN116026099A CN116026099A CN202310209965.0A CN202310209965A CN116026099A CN 116026099 A CN116026099 A CN 116026099A CN 202310209965 A CN202310209965 A CN 202310209965A CN 116026099 A CN116026099 A CN 116026099A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000001816 cooling Methods 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a temperature control method of a refrigerator, the refrigerator and a computer readable storage medium, which concretely comprise the following steps: when the room temperature of at least one room is larger than the starting temperature point, inputting cold energy into the room; judging whether the room temperature of the room reaches a pre-stop temperature point, if so, reducing the input cold quantity of the room; and stopping the input cold quantity of the compartment when the compartment temperature reaches the corresponding shutdown temperature point. The invention ensures that the temperature of each compartment is slowly close to the set shutdown temperature point when the temperature of the compartment is close to the shutdown temperature point during refrigeration of the refrigerator by adjusting the opening angle of the air door and the running rotating speed of the fan, thereby ensuring that the temperature of the compartment can reach the set temperature without overshooting, reducing the power consumption and realizing accurate temperature control.
Description
Technical Field
The present invention relates to the field of refrigerators, and in particular, to a temperature control method for a refrigerator, and a computer readable storage medium.
Background
The refrigerator consists of a door body, a box body, a control system (comprising a compressor, a controller, a protector, a fan and the like), a refrigerating system (an evaporator, a condenser, a capillary tube, a filter and the like) and various interior trim parts (comprising various drawers, glass partition boards and the like).
When the sensor detects that a refrigerating request exists, a compartment air door is opened, the compressor and the fan work, and the cold of the evaporator is sent into the compartment through the air duct, so that the aim of refrigerating is fulfilled; however, due to factors such as placement position and housing encapsulation, the temperature sensor often detects that the temperature of the compartment is delayed from the set temperature, that is, the temperature of a certain compartment is lower than the set temperature of the compartment, the temperature overshoots, and the accurate temperature control of the compartment cannot be achieved. In order to reduce temperature overshoot, the aim of accurate temperature control is achieved.
Disclosure of Invention
The invention provides a temperature control method of a refrigerator, the refrigerator and a computer readable storage medium, aiming at solving the technical problem that the refrigerator is easy to cause temperature overshoot during refrigeration in the prior art.
The technical scheme adopted by the invention is as follows:
the invention provides a temperature control method of a refrigerator, which comprises the following steps:
when the room temperature of at least one room is larger than the starting temperature point, inputting cold energy into the room;
judging whether the room temperature of the room reaches a corresponding pre-stop temperature point, if so, reducing the input cold quantity of the room; and stopping the input cold quantity of the compartment when the compartment temperature reaches the corresponding shutdown temperature point.
The feeding of cold measuring means into the compartment comprises in particular: and opening a fan, a compressor and a throttle of the compartment.
When the room temperature of only one room is larger than the starting temperature point, the input cold quantity of the room is reduced specifically as follows: and reducing the opening degree of the air door of the compartment and the rotating speed of the fan.
When the room temperature of a plurality of rooms is larger than the corresponding starting temperature point, the input cooling capacity of the rooms is reduced specifically as follows: and reducing the opening degree of the air door of the compartment until the compartment temperature of all the compartments reaches a pre-stop temperature point, and reducing the rotating speed of the fan.
Specifically, stopping the input cooling capacity of the compartment includes: and closing the fan, the compressor and the air door.
Specifically, whether the room temperature of the room reaches the pre-stop temperature point is judged, if not, the step of judging whether the room temperature of the room reaches the pre-stop temperature point is returned.
The invention also provides a refrigerator, and the temperature of the compartment is controlled by using the temperature control method of the refrigerator.
Further, the compartments include a refrigerated compartment and a freezer compartment.
Further, the chamber further comprises: a temperature changing chamber and a instant freezing chamber.
The invention also provides a computer readable storage medium for storing a computer program, which is characterized in that the temperature control method of the refrigerator is executed when the computer program runs.
Compared with the prior art, the invention ensures that the temperature of each compartment is slowly close to the set shutdown temperature point when the temperature of the compartment is close to the shutdown temperature point during refrigeration of the refrigerator by adjusting the opening angle of the air door and the running rotating speed of the fan, so as to ensure that the temperature of the compartment can reach the set temperature without overshooting, reduce the power consumption and realize accurate temperature control.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a temperature waveform in an embodiment of the present invention;
FIG. 2 is a flow chart of an embodiment of the present invention;
FIG. 3 is a schematic view of a fully opened door according to an embodiment of the present invention;
FIG. 4 is a schematic view of a door half open in accordance with an embodiment of the present invention;
fig. 5 is a schematic diagram of a refrigeration unit according to an embodiment of the present invention.
1. A compressor; 2. a condenser; 3. a filter; 4. a capillary tube; 5. an evaporator; 6. and (3) a damper.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principles and structures of the present invention are described in detail below with reference to the drawings and the examples.
When the temperature sensor of the refrigerator detects that the temperature of the compartment is greater than the starting temperature point, the compartment has a refrigerating request, the air door of the compartment is controlled to be opened, the compressor and the fan work, and the cold of the evaporator is sent into the compartment through the air duct, so that the aim of refrigerating is fulfilled; however, due to factors such as placement position and housing encapsulation, the temperature sensor often detects that the temperature of the compartment is delayed from the set temperature, that is, the temperature of a certain compartment is lower than the set temperature of the compartment, the temperature overshoots, and the accurate temperature control of the compartment cannot be achieved. In order to reduce temperature overshoot, the aim of accurate temperature control is achieved. The invention can ensure that the room temperature is slowly close to the set temperature by adjusting the opening angle of the air door and the running rotating speed of the fan, so as to ensure that the room temperature can reach the set temperature without overshooting, reduce the power consumption and realize accurate temperature control.
As shown in fig. 1 and 2, the invention provides a method for controlling temperature of a refrigerator, which specifically comprises the following steps:
the refrigerator is started to normally run, and temperature sensors in all compartments of the refrigerator detect the temperature of the compartment in which the refrigerator is positioned in real time;
when the room temperature of at least one room is larger than the starting temperature point, the controller of the refrigerator controls the refrigerating component of the refrigerator and the air door to input cold energy into the room with the temperature larger than the starting temperature point, and refrigerating and cooling are performed;
judging whether the room temperature of the room reaches a corresponding pre-stop temperature point, if so, reducing the input cold quantity of the room with the room temperature reaching the pre-stop temperature point, so that the input cold quantity is about half or less of the previous cold quantity, reducing the cooling rate of the room, and controlling the air door to be closed to stop inputting the cold quantity to the room until the temperature of the room reaches the corresponding stop temperature point; if not, the room temperature of each room is continuously detected, and whether the room temperature of the room reaches the pre-stop temperature point is judged.
According to the invention, the pre-stop temperature point is arranged before the stop temperature point, so that the cooling rate of the compartment is reduced when the compartment temperature is about to reach the corresponding stop temperature point, the temperature overshoot can be effectively avoided, and the power consumption is reduced.
In a specific embodiment, the specific control component for inputting cold into the chamber is: the controller of the refrigerator controls the opening of the fan and the compressor, and controls the full opening or opening of the air door of the compartment with the temperature higher than the starting temperature point.
The specific control part for the input cold quantity of the stop room is as follows: the fans and compressors and the dampers of all compartments are closed. At this time, the room temperature of each room has reached the stop temperature point, and the compressor can be directly turned off to avoid cold overshoot.
It should be noted that, even if the refrigerating apparatus of the refrigerator specifically adopts other modes in the prior art to cool the compartment, it is within the scope of the present invention as long as the compartment temperature is reduced by inputting cold into the compartment.
When the room temperature of only one room is larger than the starting temperature point, the input cooling capacity of the room is reduced specifically as follows: the opening degree of the air door of the compartment and the rotating speed of the fan are reduced, and only one compartment has refrigeration requirement, so that the opening degree of the air door can be reduced, and meanwhile, the input of cold energy can be further reduced by reducing the rotating speed of the fan.
The room temperature of the plurality of rooms is larger than the starting temperature point, and the input cold quantity of the room is reduced specifically as follows: and reducing the opening degree of the air door of the chamber reaching the pre-stop temperature point, but not controlling the rotating speed of the fan, so that the input cold quantity of the other chambers which open the air door but do not reach the pre-stop temperature point is increased, and the rotating speed of the fan is reduced until the temperature of the other chambers which open the air door reaches the corresponding pre-stop temperature point. Thereby avoiding mutual interference among the compartments and enabling the compartments to reach the pre-stop temperature point as soon as possible.
In a specific embodiment, as shown in fig. 2, the refrigerator has a total of two compartments, specifically a first compartment provided with a first damper and a second compartment provided with a second damper.
S1, starting the refrigerator to run, and resetting the first air door and the second air door;
s2, judging whether the temperature of the first compartment temperature and the second compartment temperature is larger than a preset starting temperature point;
if yes, controlling the first air door and the second air door to be fully opened, and turning to the step S21;
if not, judging whether the first room temperature is larger than a preset starting temperature point; if yes, opening a first air door corresponding to the first compartment, and turning to the step S31, otherwise, returning to the step of judging whether the temperature of the first compartment and the second compartment is greater than a preset starting temperature point;
s21, controlling the opening of a fan and a compressor, judging whether a first compartment reaches a corresponding pre-stop temperature point (or judging whether a first compartment reaches the pre-stop point because the first compartment is a refrigerating chamber and cools down quickly), if so, half-opening a first air door, maintaining the original rotating speed of the fan, and continuing the next step; if not, returning to the step of judging whether the first compartment reaches the corresponding pre-stop temperature point;
s22, judging whether the second chamber reaches a corresponding pre-stop temperature point, if so, controlling the second air door to be half-opened, and simultaneously controlling the fan to slow down;
s23, judging whether the first room temperature reaches a corresponding preset shutdown temperature point or not; if yes, closing the first air door, continuing the next step, and if not, returning to the judging step;
s24, judging whether the second room temperature reaches a corresponding preset shutdown temperature point or not; if yes, closing a second air door, a fan and a compressor;
s31, controlling the opening of the fan and the compressor, judging whether the first compartment reaches a corresponding pre-stop temperature point, if so, half-opening a first air door, decelerating the fan, and continuing the next step; if not, returning to the step of judging whether the first compartment reaches the corresponding pre-stop temperature point;
s32, judging whether the first room temperature reaches a corresponding preset shutdown temperature point or not; if yes, closing the first air door, the fan and the compressor; if not, returning to the judging step of S32.
The invention also provides a refrigerator, and the temperature control method of the refrigerator is used for controlling the temperature of the compartment, so that the temperature of the refrigerator in the refrigerating time compartment is prevented from overshooting.
In a specific embodiment, as shown in fig. 5, the refrigerating part of the refrigerator specifically includes: the compressor 1, the condenser 2, the filter 3, the capillary tube 4 and the evaporator 5 are circularly communicated through pipelines, and a fan corresponding to the evaporator.
During normal operation of the refrigerator, the compressor discharges high-pressure and high-temperature gas, and the gas is cooled into normal-temperature and high-pressure saturated liquid gradually through heat dissipation of the condenser. The condensed refrigerant is filtered by a dry filter to remove moisture and impurities, and then flows into a capillary tube, and the refrigerant is throttled and depressurized by the filter to become normal-temperature and low-pressure vapor. Then absorbs heat in the evaporator to vaporize, and the low-temperature and low-pressure gas is obtained. And back into the compressor again. The process is repeated, and the heat in the refrigerator is transferred to the air outside the refrigerator, so that the aim of refrigeration is fulfilled.
In a specific embodiment, a household air-cooled refrigerator is generally provided with at least two compartments, and each compartment is provided with a corresponding air door, wherein the compartments specifically comprise: the refrigerating compartment and the freezing compartment have different functions and stored storage types, and each compartment has a starting temperature point, a pre-stopping temperature point and a stopping temperature point corresponding to the compartments.
In a specific embodiment, the compartment may further comprise: a temperature changing chamber and a instant freezing chamber. When the method provided by the invention is used for cooling a plurality of compartments, the temperature of each compartment can still be accurately controlled.
In a specific embodiment, when the chamber temperature of the chamber is greater than the start-up temperature point, the damper 6 of the chamber is fully opened (as shown in fig. 3); when the chamber temperature of the chamber reaches (i.e., is equal to) the pre-stop temperature point, the chamber damper 6 is half open (as shown in fig. 4).
The invention also provides a computer readable storage medium for storing a computer program, and the temperature control method of the refrigerator is executed when the computer program runs.
It is noted that the above-mentioned terms are used merely to describe specific embodiments, and are not intended to limit exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A method for controlling temperature of a refrigerator, comprising the steps of:
when the room temperature of at least one room is larger than the starting temperature point, inputting cold energy into the room;
judging whether the room temperature of the room reaches a corresponding pre-stop temperature point, if so, reducing the input cold quantity of the room; and stopping the input cooling capacity of the compartment until the compartment temperature of the compartment reaches the corresponding shutdown temperature point.
2. The method of controlling temperature of a refrigerator as claimed in claim 1, wherein the inputting of the cold amount to the compartment comprises: and opening a fan, a compressor and a throttle of the compartment.
3. The method of controlling temperature of a refrigerator as claimed in claim 2, wherein when the temperature of only one compartment is greater than the start-up temperature point, the method of reducing the input cooling capacity of the compartment comprises: and reducing the opening degree of the air door of the compartment and the rotating speed of the fan.
4. The method of controlling temperature of a refrigerator as claimed in claim 2, wherein when a room temperature of a plurality of rooms is greater than a start-up temperature point, reducing an input cooling capacity of the rooms is specifically: and reducing the opening degree of the air door of the compartment until the compartment temperature of all the compartments reaches the corresponding pre-stop temperature point, and reducing the rotating speed of the fan.
5. The method of controlling temperature of a refrigerator as claimed in claim 2, wherein the stopping the input cooling capacity of the compartment comprises: and closing the fan, the compressor and the air door.
6. The method of controlling temperature of a refrigerator as claimed in claim 1, wherein if not, the step of determining whether the compartment temperature of the compartment reaches its corresponding pre-stop temperature point is returned.
7. A refrigerator characterized in that the temperature of the compartment is controlled using the temperature control method of the refrigerator according to any one of claims 1 to 6.
8. The refrigerator as claimed in claim 6, wherein the compartments include a refrigerating compartment and a freezing compartment.
9. The refrigerator of claim 8, wherein the compartment further comprises: a temperature changing chamber and a instant freezing chamber.
10. A computer-readable storage medium storing a computer program, wherein the computer program, when run, performs the temperature control method of the refrigerator according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310209965.0A CN116026099A (en) | 2023-03-07 | 2023-03-07 | Temperature control method of refrigerator, refrigerator and computer readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310209965.0A CN116026099A (en) | 2023-03-07 | 2023-03-07 | Temperature control method of refrigerator, refrigerator and computer readable storage medium |
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| CN116026099A true CN116026099A (en) | 2023-04-28 |
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| CN202310209965.0A Pending CN116026099A (en) | 2023-03-07 | 2023-03-07 | Temperature control method of refrigerator, refrigerator and computer readable storage medium |
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