CN107228522B - The control method of wind cooling refrigerator - Google Patents
The control method of wind cooling refrigerator Download PDFInfo
- Publication number
- CN107228522B CN107228522B CN201710527274.XA CN201710527274A CN107228522B CN 107228522 B CN107228522 B CN 107228522B CN 201710527274 A CN201710527274 A CN 201710527274A CN 107228522 B CN107228522 B CN 107228522B
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- Prior art keywords
- refrigeration
- refrigerating
- evaporator
- compressor
- chamber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
Abstract
The present invention provides a kind of control methods of wind cooling refrigerator, wind cooling refrigerator includes refrigerating chamber and refrigerating-chamber door, for the refrigeration evaporator and refrigeration blower to refrigeration chamber, for detecting the temperature sensor and compressor of refrigeration evaporator temperature, refrigeration evaporator is configured to controlled to be communicated with compressor or block, control method includes: when refrigerating-chamber door under refrigerating chamber is in refrigerating state when being opened, refrigeration blower is closed until refrigerating-chamber door is closed, and Keep cool evaporator is connected to compressor until refrigerating-chamber door is closed or until refrigeration evaporator temperature less than the first temperature threshold.Control method of the invention is by control refrigeration blower in the case where refrigerating-chamber door is opened, remain closing, it avoids entering to the indoor damp-heat air of refrigeration since refrigerating-chamber door is opened and being recycled to refrigeration evaporator, and more damp-heat airs is caused to be inhaled into refrigerating chamber, it prevents from refrigerating indoor humidity and/or temperature varies widely, and then keep its fresh-keeping effect continual and steady.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of control method of wind cooling refrigerator.
Background technique
Traditional dual system wind cooling refrigerator can cause temperature in refrigerating chamber to increase when user opens when refrigerating-chamber door takes object,
As a result, after user then closes refrigerating-chamber door, cold storage refrigeration system can work immediately, be blown into refrigerating chamber a large amount of cold
Gas leads to evaporimeter frosting so that refrigerating indoor damp-heat air and being inhaled into refrigeration air duct, and will lead under refrigeration indoor humidity
Drop influences fresh-keeping effect, and passing through discontinuously makes to refrigerate the method that blower blows refrigeration wind to refrigerating chamber, although to a certain extent
The above problem is alleviated, but evaporimeter frosting is crossed still comparatively fast, needs just starting heater strip defrost in the short time, seriously affect user
It uses, and energy consumption is larger.
Summary of the invention
It is an object of the present invention to provide a kind of wind cooling refrigerator control method for improving refrigerator room fresh-keeping effect.
A further object of the present invention is to the frostings on refrigeration evaporator to be reduced.
Another further object of the present invention is to provide a kind of low energy consumption and wind cooling refrigerator of good preservation effect.
Particularly, the present invention provides a kind of control method of wind cooling refrigerator, the wind cooling refrigerator includes refrigerating chamber and cold
Zang Shimen, for the refrigeration chamber refrigeration evaporator and refrigeration blower, the temperature for detecting refrigeration evaporator temperature
Degree sensor and compressor, the refrigeration evaporator are configured to controlled to be connected to or block with the compressor, the control
Method includes:
When the refrigerating-chamber door under the refrigerating chamber is in refrigerating state when being opened, close the refrigeration blower up to
The refrigerating-chamber door is closed, and keeps the refrigeration evaporator to be connected to the compressor until refrigerating-chamber door closing or straight
To the refrigeration evaporator temperature less than the first temperature threshold.
Further, the wind cooling refrigerator further include freezing chamber, the refrigerating evaporator for freezing to the freezing chamber and
Blower is freezed, and the refrigerating evaporator is configured to controlled to be connected to or block with the compressor, the control method is also wrapped
It includes:
When the refrigeration evaporator temperature be less than first temperature threshold cause the refrigeration evaporator controlled with it is described
When compressor blocks, it is connected to the refrigerating evaporator and the compressor, and start the freezing blower.
Further, the control method further include:
When the refrigerating-chamber door be opened under the refrigerating chamber is in refrigerating state be then closed when, execute refrigerationization
White program is the refrigeration evaporator defrost；Wherein
The refrigeration defrost program includes: to block the refrigeration evaporator and the compressor, starts the refrigeration wind
Machine is connected to the refrigerating evaporator and the compressor, starts and/or keep the freezing fan operation.
Further, the control method further include:
When the refrigeration evaporator temperature is greater than second temperature threshold value, stop the refrigeration defrost program, and be connected to institute
Refrigeration evaporator and the compressor are stated, the refrigeration fan operation is kept, to the refrigeration chamber.
Further, first temperature threshold is set as the arbitrary temp value between -26 DEG C to -23 DEG C.
Further, the second temperature threshold value is set as the arbitrary temp value between 2 DEG C to 7 DEG C.
Further, the present invention also provides a kind of wind cooling refrigerator, including refrigerating chamber and refrigerating-chamber door, for the refrigeration
The refrigeration evaporator and refrigeration blower and compressor of room refrigeration, and be configured to can be controlled with the pressure for the refrigeration evaporator
The connection of contracting machine blocks；Wherein
The refrigeration evaporator and the refrigeration blower are configured to:
When the refrigerating-chamber door under the refrigerating chamber is in refrigerating state when being opened, the refrigeration blower close until
The refrigerating-chamber door is closed, the refrigeration evaporator and the compressor holding be connected to until the refrigerating-chamber door close or up to
The refrigeration evaporator temperature is less than the first temperature threshold.
Further, the wind cooling refrigerator further includes freezing chamber, the refrigerating evaporator for freezing to freezing chamber and freezing
Blower, and control the threeway that the refrigeration evaporator and the refrigerating evaporator are connected to or block with the compressor respectively
Valve, wherein
The triple valve is configured to, and causes the refrigeration when the refrigeration evaporator temperature is less than first temperature threshold
When evaporator is controlled and the compressor blocks, by the refrigerant output flow direction of the compressor by compressing machine-cut towards the refrigeration
It shifts to towards the refrigerant condenser.
Control method of the invention, in the case where refrigerating-chamber door is opened, remains closing by control refrigeration blower,
It avoids entering to the indoor damp-heat air of refrigeration since refrigerating-chamber door is opened and being recycled to refrigeration evaporator, and causes more damp and hot
Air is inhaled into refrigerating chamber, to prevent from refrigerating indoor humidity and/or temperature varies widely, and then makes its fresh-keeping effect
Fruit is continual and steady.
Further, this control method control refrigerating chamber avoids generating air flowing under the condition of opening, in refrigerating-chamber door
After just closing, the cold wind cooling of low temperature is not blowed immediately, and refrigeration evaporator is not run, only circulation refrigeration room air and setting
The air for having the temperature in the refrigeration air duct of refrigeration evaporator relatively low, so as to have just enter into the indoor damp and hot sky of refrigeration from the external world
Gas carries out defrost to refrigeration evaporator.Refrigerating the relatively low air of original temperature in air duct as a result, and entering in refrigerating chamber makes
Its interior temperature decline, refrigerate indoor damp-heat air flow at the refrigeration evaporator to stop working will not because temperature is too low and
Frosting on it, and can be to the refrigeration evaporator defrost of shutdown, to reduce the runing time of refrigeration evaporator and avoid
Damp-heat air frosting on refrigeration evaporator, and moisture in air is enabled to continue to come back in refrigerating chamber after defrost
Its interior humidity is kept, the energy loss of refrigeration and starting heater strip defrost has not only been saved, but also maintain refrigeration indoor humidity can
One higher level, favorably perishable articles such as fruits and vegetables in the inner is fresh-keeping.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of wind cooling refrigerator according to an embodiment of the invention；
Fig. 2 is the schematic flow chart of control method according to an embodiment of the invention.
Specific embodiment
The embodiment of the invention provides a kind of control methods of wind cooling refrigerator.Fig. 1 is according to an embodiment of the invention
The schematic diagram of wind cooling refrigerator.Referring to Fig. 1, wind cooling refrigerator may include refrigerating chamber 10 and refrigerating-chamber door, freezing chamber 20 and cold
Chilling chamber door, refrigeration evaporator 12 and refrigeration blower 11 for freezing to refrigerating chamber 10, for detecting 12 temperature of refrigeration evaporator
Temperature sensor, refrigerating evaporator 22 for freezing to freezing chamber 20 and freezing blower 21, and be arranged at refrigeration system
Compressor 40, condenser 50, refrigeration capillary 13, freezing capillary 23 and triple valve 30 in the pipeline of system.Specifically, threeway
Valve 30 be configured to can it is controlled connection or blocking refrigeration evaporator 12 and compressor 40 between connecting line and controlled can be connected to
Or the connecting line between blocking refrigerating evaporator 22 and compressor 40.
Wind cooling refrigerator can enable refrigeration evaporator 12 and refrigeration blower 11 according to refrigerating-chamber door by a kind of control method
Open and-shut mode and the size of refrigeration evaporator temperature start or stop.Specifically, when refrigerating-chamber door is in system in refrigerating chamber 10
When being opened under cold state, refrigeration blower 11 is closed until refrigerating-chamber door is closed, and refrigeration evaporator 12 and compressor 40 keep connecting
Lead to until refrigerating-chamber door closes or up to refrigeration evaporator temperature is less than the first temperature threshold.
Fig. 2 is the schematic flow chart of control method according to an embodiment of the invention.Referring to fig. 2, wind cooling refrigerator
Control method includes:
Step S100 after refrigerating-chamber door is opened, obtains current state in refrigerator room.
Whether step S102, detection refrigerating chamber 10 are in refrigeration mode；If so, S104 is thened follow the steps, if otherwise executing
S106。
Step S104 makes to refrigerate the closing of blower 11, runs refrigeration evaporator 12.
Step S106 makes to refrigerate blower 11 and refrigeration evaporator 12 maintains standing state.
Whether step S108 detects 12 temperature of refrigeration evaporator less than the first temperature threshold；If so, thening follow the steps
S110, if it is not, thening follow the steps S114.
Step S110 closes refrigeration evaporator 12, runs refrigerating evaporator 22, makes to freeze the operation of blower 21.
Step S112 is detected when 12 temperature of refrigeration evaporator is less than the first temperature threshold, and whether refrigerating-chamber door closes；If
It is to then follow the steps S116, continues to execute step S110 if otherwise returning.
Step S114, when 12 temperature of refrigeration evaporator is not less than the first temperature threshold, whether refrigerating-chamber door is closed for detection；
If so, thening follow the steps S116, step S104 is continued to execute if it is not, then returning.
Step S116 closes refrigeration evaporator 12, makes to refrigerate the operation of blower 11, runs refrigerating evaporator 22, make cold
Freeze blower 21 to run.
That is to say, when refrigerating-chamber door under refrigerating chamber 10 is in refrigerating state when being opened, close refrigeration blower 11 until
Refrigerating-chamber door is closed, and Keep cool that evaporator 12 be connected to compressor 40 until refrigerating-chamber door is closed or refrigeration evaporator 12 is warm
Degree is less than the first temperature threshold.
It is blocked when 12 temperature of refrigeration evaporator causes refrigeration evaporator 12 controlled less than the first temperature threshold with compressor 40
When, it is connected to refrigerating evaporator 22 and compressor 40, and start freezing blower 21.
In some embodiments of the invention, refrigeration evaporator 12 and refrigerating evaporator 22 on-off with compressor 40 respectively
It can be controlled by triple valve 30.Specifically, triple valve 30 can be configured to cause when 12 temperature of refrigeration evaporator less than the first temperature threshold
When keeping refrigeration evaporator 12 controlled with the blocking of compressor 40, the refrigerant output flow direction of compressor 40 is refrigerated into compressor 40 by direction
It switches to towards refrigerant condenser 40.
Control method of the invention, in the case where refrigerating-chamber door is opened, remains closing by control refrigeration blower,
It avoids entering to the indoor damp-heat air of refrigeration since refrigerating-chamber door is opened and being recycled to refrigeration evaporator, and causes more damp and hot
Air is inhaled into refrigerating chamber, to prevent from refrigerating indoor humidity and/or temperature varies widely, and then makes its fresh-keeping effect
Fruit is continual and steady.
Further, when refrigerating-chamber door is opened for a long time, since refrigeration blower 11 is closed, the temperature of refrigeration evaporator 12
Degree can continue to reduce, and 12 temperature of refrigeration evaporator is too low in order to prevent at this time, can block the connecting line of itself and compressor 40,
And refrigerating evaporator 22 is connected to the connecting line of compressor 40.It can avoid the opening due to refrigerating-chamber door of compressor 40 as a result,
It closes and continually switchs, and refrigeration evaporator 12 is made fast quick-recovery can to freeze if necessary.
Particularly, above-mentioned steps S116 is the defrost program of wind cooling refrigerator, when refrigerating-chamber door is in refrigeration in refrigerating chamber 10
It is opened when being then closed under state, executing refrigeration defrost program is 12 defrost of refrigeration evaporator.Specifically, defrost journey is refrigerated
Sequence includes: to block refrigeration evaporator 12 and compressor 40, and starting refrigeration blower 11 connects refrigerating evaporator 22 and compressor 40
It is logical, and make to freeze the operation of blower 21.
It that is to say, this control method control refrigerating chamber avoids generating air flowing under the condition of opening, rigid in refrigerating-chamber door
After just closing, the cold wind cooling of low temperature is not blowed immediately, and refrigeration evaporator is not run, and only circulation refrigerates room air and is provided with
The relatively low air of the temperature of refrigeration evaporator refrigerated in air duct, so as to have just enter into the indoor damp-heat air of refrigeration from the external world
Defrost is carried out to refrigeration evaporator.The relatively low air of original temperature enters in refrigerating chamber and makes it in refrigeration air duct as a result,
The decline of interior temperature, refrigerate indoor damp-heat air flow at the refrigeration evaporator to stop working will not because temperature is too low and
Frosting thereon, and can be to the refrigeration evaporator defrost of shutdown, to reduce the runing time of refrigeration evaporator and avoid
Damp-heat air frosting on refrigeration evaporator, and moisture in air is enabled to continue to come back in refrigerating chamber after defrost to protect
Its interior humidity is held, the energy loss of refrigeration and starting heater strip defrost has not only been saved, but also makes refrigeration indoor humidity that can maintain one
A higher level, favorably perishable articles such as fruits and vegetables in the inner is fresh-keeping.
Referring to fig. 2, the control method of wind cooling refrigerator further include:
Whether step S118, detection 12 temperature of refrigeration evaporator are greater than second temperature threshold value；If so, thening follow the steps
S120 continues to execute step S116 if it is not, then returning.
Step S120 runs refrigeration evaporator 12, makes to refrigerate the operation of blower 11, closes refrigerating evaporator 22, make cold
Freeze blower 21 to close.
It that is to say, when 12 temperature of refrigeration evaporator is greater than second temperature threshold value, stop refrigeration defrost program, and be connected to cold
Evaporator 12 and compressor 40 are hidden, Keep cool, and blower 11 is run, to freeze to refrigerating chamber 10.It is understood that if at this time
Freezing chamber 20 freezes, and can also continue to keep refrigerating evaporator 22 and freeze blower 21 to run.
After control method of the invention makes wind cooling refrigerator enter damp-heat air in its refrigerating chamber 10, promote the portion first
Damp-heat air is divided to carry out defrost to refrigeration evaporator 12, refrigeration evaporator 12 restores to be actuated for freezing again after the completion of defrost.
Not only made as a result, refrigerating chamber 10 due to refrigerating-chamber door switch and raised compartment temperature reduces again, but also can avoid a large amount of
Damp-heat air causes evaporimeter frosting too fast in 12 frosting of refrigeration evaporator started immediately, adds in a short time with regard to needing to open
Heated filament defrost, is unfavorable for energy conservation.
In some embodiments of the invention, the first temperature threshold can be set to the arbitrary temp between -26 DEG C to -23 DEG C
Value.It such as can be -26 DEG C, -25 DEG C, -24 DEG C, -23 DEG C etc..Second temperature threshold value can be set to any between 2 DEG C to 7 DEG C
Temperature value.It such as can be 2 DEG C, 3 DEG C, 4 DEG C, 5 DEG C, 6 DEG C, 7 DEG C etc..It that is to say, the first temperature threshold is refrigeration evaporator 12
Protection temperature, prevent refrigeration evaporator 12 due to temperature it is too low failure or be frozen article in refrigerating chamber 10.Second
Temperature threshold is slightly below the set temperature of refrigerating chamber 10, cold because temperature is too high to meet immediately to avoid refrigeration evaporator 12
Hide room 10 refrigeration demand and need to be pre-chilled, so as to so that refrigeration evaporator 12 from defrost Program transformation be refrigerant sequence mistake
Cheng Gengwei is rapid, reduces or do not need the time being pre-chilled again, reduces energy consumption.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all such other variations or modifications.
Claims (6)
1. a kind of control method of wind cooling refrigerator, the wind cooling refrigerator includes refrigerating chamber and refrigerating-chamber door, for the refrigeration
The refrigeration evaporator and refrigeration blower, temperature sensor and compressor for detecting refrigeration evaporator temperature of room refrigeration, institute
It states refrigeration evaporator to be configured to controlled to be connected to or block with the compressor, the control method includes:
When the refrigerating-chamber door under the refrigerating chamber is in refrigerating state when being opened, the closing refrigeration blower is until described
Refrigerating-chamber door is closed, and keeps the refrigeration evaporator to be connected to the compressor until the refrigerating-chamber door is closed or until institute
Refrigeration evaporator temperature is stated less than the first temperature threshold；Wherein,
The wind cooling refrigerator further includes freezing chamber, the refrigerating evaporator for freezing to the freezing chamber and freezing blower, and institute
It states refrigerating evaporator to be configured to controlled to be connected to or block with the compressor, the control method further include:
Cause the refrigeration evaporator controlled and the compression when the refrigeration evaporator temperature is less than first temperature threshold
When machine blocks, it is connected to the refrigerating evaporator and the compressor, and start the freezing blower.
2. control method according to claim 1, further includes:
When the refrigerating-chamber door be opened under the refrigerating chamber is in refrigerating state be then closed when, execute refrigeration defrost journey
Sequence is the refrigeration evaporator defrost；Wherein
The refrigeration defrost program includes: to block the refrigeration evaporator and the compressor, starts the refrigeration blower, even
Lead to the refrigerating evaporator and the compressor, starts and/or keep the freezing fan operation.
3. control method according to claim 2, further includes:
When the refrigeration evaporator temperature is greater than second temperature threshold value, stop the refrigeration defrost program, and be connected to described cold
Evaporator and the compressor are hidden, the refrigeration fan operation is kept, to the refrigeration chamber.
4. control method according to claim 1, wherein
First temperature threshold is set as the arbitrary temp value between -26 DEG C to -23 DEG C.
5. control method according to claim 3, wherein
The second temperature threshold value is set as the arbitrary temp value between 2 DEG C to 7 DEG C.
6. a kind of wind cooling refrigerator, including refrigerating chamber and refrigerating-chamber door, for refrigeration evaporator to the refrigeration chamber and cold
Blower, freezing chamber, the refrigerating evaporator for freezing to freezing chamber and freezing blower and compressor are hidden, and the refrigeration is steamed
Hair device is configured to controlled to be connected to or block with the compressor；Wherein
The refrigeration evaporator and the refrigeration blower are configured to:
When the refrigerating-chamber door under the refrigerating chamber is in refrigerating state when being opened, the refrigeration blower is closed until described
Refrigerating-chamber door is closed, and the refrigeration evaporator is connected to compressor holding until the refrigerating-chamber door closes or up to described
Refrigeration evaporator temperature is less than the first temperature threshold；Wherein
The wind cooling refrigerator further includes controlling the refrigeration evaporator and the refrigerating evaporator is connected to the compressor respectively
Or the triple valve blocked, wherein
The triple valve is configured to, and causes the refrigeration to evaporate when the refrigeration evaporator temperature is less than first temperature threshold
When device is controlled and the compressor blocks, by the refrigerant output flow direction of the compressor by being switched to towards the refrigeration compressor
Towards the refrigerant condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527274.XA CN107228522B (en) | 2017-07-01 | 2017-07-01 | The control method of wind cooling refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710527274.XA CN107228522B (en) | 2017-07-01 | 2017-07-01 | The control method of wind cooling refrigerator |
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| CN107228522A CN107228522A (en) | 2017-10-03 |
| CN107228522B true CN107228522B (en) | 2019-08-02 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107782044B (en) * | 2017-10-24 | 2020-09-29 | 青岛海尔股份有限公司 | Refrigerator and anti-condensation control method thereof |
| CN111076491B (en) * | 2018-10-22 | 2020-10-30 | 海尔智家股份有限公司 | Refrigerator and control method thereof |
| CN109813049B (en) * | 2018-12-28 | 2021-01-01 | 海尔智家股份有限公司 | Method and device for detecting ice blockage of refrigerator drain pipe |
| CN110701864B (en) * | 2019-10-31 | 2021-12-21 | 合肥华凌股份有限公司 | Refrigeration equipment, compressor control method and device and computer readable storage medium |
| CN111765687A (en) * | 2020-05-19 | 2020-10-13 | 中国电器科学研究院股份有限公司 | Quick cooling method for mechanical direct cooling refrigerator |
| CN111735270B (en) * | 2020-06-22 | 2022-07-05 | 长虹美菱股份有限公司 | Fuzzy control method for constant-temperature chamber |
| CN111895707B (en) * | 2020-07-20 | 2021-09-24 | 海信容声(广东)冰箱有限公司 | Refrigerator defrosting method and device and ice machine |
| CN113883800B (en) * | 2021-10-28 | 2023-03-14 | 澳柯玛股份有限公司 | Refrigeration and defrosting control method of double-system refrigeration refrigerator |
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| EP0878675A2 (en) * | 1997-05-15 | 1998-11-18 | Samsung Electronics Co., Ltd. | Refrigerator |
| CN1243938A (en) * | 1998-07-30 | 2000-02-09 | 三星电子株式会社 | Unitary refrigerating unit of refrigerator and control method thereof |
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| CN107228522A (en) | 2017-10-03 |
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