CN105091458A - Air-cooled refrigerator and control method thereof - Google Patents
Air-cooled refrigerator and control method thereof Download PDFInfo
- Publication number
- CN105091458A CN105091458A CN201510557232.1A CN201510557232A CN105091458A CN 105091458 A CN105091458 A CN 105091458A CN 201510557232 A CN201510557232 A CN 201510557232A CN 105091458 A CN105091458 A CN 105091458A
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- Prior art keywords
- room
- fan
- refrigerator
- temperature
- air
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Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000005057 refrigeration Methods 0.000 claims description 13
- 230000000750 progressive effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- 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
-
- 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
- F25D2600/00—Control issues
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses an air-cooled refrigerator. A chamber located on the bottommost side of the refrigerator is the first chamber, and a chamber located on the topmost side of the refrigerator is the second chamber. The refrigerator further comprises an air cooling system and a control system. The air cooling system comprises an evaporator, an air supply duct and an air return duct. An evaporator chamber is located on the back of the first chamber. The air supply duct is communicated with the upper space of the evaporator and extends upwards to the back of the second chamber. A first fan is arranged on the portion, close to the evaporator, in the air supply duct. A second fan is arranged on the portion, corresponding to the second chamber, in the air supply duct. The control system comprises a detection unit, a display unit and a control unit. The invention further discloses a control method of the refrigerator. The air-cooled refrigerator and the control method thereof have the advantages that the problem that the air supply duct of the second chamber is long, resistance is large and consequently air supply is difficult is solved, and the second chamber can be used as a varying temperature chamber.
Description
Technical field
The present invention relates to refrigeration appliance technical field, in particular a kind of wind cooling refrigerator and control method thereof.
Background technology
Many warm areas, multifunctional refrigerator are the new development trend on refrigerator market.At present, a lot of many temperature-zone refrigerators are all add room and temperature-changing chamber between the 3rd when having refrigerator room and freezing compartment, and temperature-changing chamber can regulate between freezing temperature region and refrigeration warm area, does not have refrigerator room can occur as the product of temperature-changing chamber so far.Realize the function of refrigerating chamber as alternating temperature, solving refrigerating chamber air supply mode, to ensure that refrigerating chamber has enough air quantity be a crucial technical problem.Existing general refrigerator, refrigerating chamber is positioned at refrigerator the top, refrigerating chamber is positioned at the bottom of refrigerator, evaporimeter is positioned at refrigerating chamber behind, and fan is arranged in the supply air duct above evaporimeter, on the one hand because the supply air duct of refrigerating chamber is longer, resistance is large, and refrigerating chamber is as air quantity during freezing temperature region to adopt original fan to ensure; On the other hand, when refrigerating chamber is examined as freezing temperature region, because blast is not enough, on refrigerating-chamber door bottle frame, temperature cannot reach requirement.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of wind cooling refrigerator and control method thereof.
The present invention is achieved by the following technical solutions:
A kind of wind cooling refrigerator, described refrigerator comprises multiple rooms, in described multiple rooms, between one that is positioned at described refrigerator bottom, room is first room, between one that is positioned at described refrigerator the top, room is second room, described refrigerator also comprises air cooling system and control system, described air cooling system comprises evaporimeter, supply air duct, return airway, described evaporator room is positioned at the back of described first room, described supply air duct is communicated with the superjacent air space of described evaporimeter and extends upwardly to the back of described second room, described return airway is communicated with the underlying space of described evaporimeter, the inherent position near described evaporimeter of described supply air duct is provided with the first fan, the position of inherent corresponding multiple the rooms of described supply air duct is provided with multiple air-supply air door one to one, by described air-supply air door to room air-supply between correspondence, the position of inherent corresponding described second room of described supply air duct is provided with the second fan, described control system comprises detecting unit, display unit and control unit, described detecting unit is for detecting the actual temperature of each room, described display unit is for setting the target temperature of each room, described control unit respectively with described detecting unit, described display unit, described first fan is connected with described second fan, between described control unit detects according to described detecting unit, the actual temperature of room and the target temperature of display unit setting send instruction, control described first fan and described second fan action.
As the preferred embodiment of above-mentioned refrigerator, described refrigerator comprises room between three, and between described three, arrange from the bottom up successively in room.
The invention also discloses the control method of above-mentioned a kind of wind cooling refrigerator, comprise the steps:
(1) after refrigerator powers on, judge that refrigerator is the need of refrigeration, if then enter step (2), otherwise close the first fan and the second fan;
(2) judge that second room that the second fan is corresponding is the need of refrigeration, if then progressive step (3), otherwise open the first fan, close the second fan;
(3) establish described refrigerator to have room between n, detected the actual temperature T of room between n by detecting unit respectively
1 room, T
2 roomst
kbetween room ... T
room between n, the target temperature T of room between n is set respectively by display unit
1 target, T
2 targetst
k target... T
n target, and according to formula Δ T
k=T
room between k-T
k targetobtain the temperature gap Δ T that each room is corresponding
k, and judge the temperature gap Δ T of second room that the second fan is corresponding
2whether is the maximum in all temperature gaps, if then the first fan, the second fan are all opened, and the second fan runs with the first rotating speed; Otherwise the first fan, the second fan are all opened, and the second fan runs with the second rotating speed; Described first rotating speed is greater than described second rotating speed.
As the preferred embodiment of above-mentioned control method, in described step (3), the range of speeds of described second fan is 1200 ~ 1800rpm.
As the preferred embodiment of above-mentioned control method, in described step (3), the first rotating speed of described second fan is 1800rpm, and the second rotating speed of described second fan is 1200rpm.
The present invention has the following advantages compared to existing technology:
A kind of wind cooling refrigerator provided by the invention, owing to having installed the second fan at the supply air duct at the back, second room being positioned at refrigerator the top, second fan is used for second the room transporting cold wind of auxiliary first fan to the second fan place, the supply air duct that can solve due to second room is long, resistance causes greatly difficult problem of blowing, ensure that enough air quantity time refrigeration in second room and enough blast, the temperature range that second room can be reached is large, can be used as temperature-changing chamber to use, both can reach refrigeration warm area and also can reach freezing temperature region, increase the function of refrigerator, meet the individual demand of people.In control method provided by the invention, when other rooms are maximum compared with the temperature gap of target temperature for the actual temperature of second room, second fan is with high rotation speed operation, the air quantity and the blast that make to enter second room reach maximum, make the temperature of second room can be reduced to target temperature fast at short notice, realize fast-refrigerating.In addition, control method provided by the invention, the noise sharp increase problem (single fan increases severely higher than 2000rpm aft-fan noise) because the first fan is brought by the object that increase rotating speed reaches increase airflow pressure can be solved, by adopting double fan, can Rational Rotation Speed be set, air duct system for refrigerator is had double dynamical, ensure refrigeration system high-efficiency operation.
Accompanying drawing explanation
Fig. 1 is the wind cooling refrigerator structural representation of embodiments of the invention.
Fig. 2 is Control system architecture block diagram of the present invention.
Fig. 3 is the air quantity circulation sketch that in embodiments of the invention, the first fan runs, the second fan cuts out lower first indoor between room and second of situation.
Fig. 4 is the air quantity circulation sketch of the first fan operation in embodiments of the invention, lower first indoor between room and second of the second fan low cruise situation.
Fig. 5 is the air quantity circulation sketch of the first fan operation in embodiments of the invention, lower first indoor between room and second of the second fan high-speed cruising situation.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
See Fig. 1, Fig. 2, a kind of wind cooling refrigerator that the present embodiment provides, this refrigerator comprises multiple rooms, the present embodiment is described for room between three, between three, arrange from the bottom up successively in room, between one that is positioned at refrigerator bottom, room is first room 1, and between one that is positioned at refrigerator the top, room is second room 2, and between being positioned in the middle of refrigerator, room is the 3rd room 3.This refrigerator also comprises air cooling system and control system, air cooling system comprises evaporimeter 4, supply air duct 5, return airway, evaporimeter 4 Room is positioned at the back of first room 1, supply air duct 5 is communicated with the superjacent air space of evaporimeter 4 and extends upwardly to the back of second room 2, return airway is communicated with the underlying space of evaporimeter 4, the inherent position near evaporimeter 4 of supply air duct 5 is provided with the first fan 6, the position of inherent corresponding multiple the rooms of supply air duct 5 is provided with multiple air-supply air door one to one, by air-supply air door to room air-supply between correspondence, the position of inherent corresponding second room 2 of supply air duct 5 is provided with the second fan 7.
Control system comprises detecting unit 8, display unit 10 and control unit 9, and detecting unit 8 is for detecting the actual temperature of each room, and such as detecting unit 8 can for being positioned at each indoor temperature sensor.Display unit 10 is for setting the target temperature of each room.Control unit 9 is connected with the second fan 7 with detecting unit 8, display unit 10, first fan 6 respectively, between control unit 9 detects according to detecting unit 8, the actual temperature of room and the target temperature of display unit 10 setting send instruction, control the first fan 6 and the second fan 7 action.
Owing to having installed the second fan 7 at the supply air duct 5 at the back, second room 2 being positioned at refrigerator the top, second fan 7 is for second room 2 transporting cold wind of auxiliary first fan 6 to the second fan 7 place, the supply air duct 5 that can solve due to second room 2 is long, resistance causes greatly difficult problem of blowing, ensure that enough air quantity time refrigeration in second room 2 and enough blast, the temperature range that second room 2 can be reached is large, can be used as temperature-changing chamber to use, both can reach refrigeration warm area and also can reach freezing temperature region, increase the function of refrigerator, meet the individual demand of people.
The invention also discloses the control method of above-mentioned a kind of wind cooling refrigerator, comprise the steps:
(1) after refrigerator powers on, judge that refrigerator is the need of refrigeration, if then enter step (2), otherwise close the first fan 6 and the second fan 7;
(2) judge that second room 2 of the second fan 7 correspondence is the need of refrigeration, if then progressive step (3), otherwise open the first fan 6, close the second fan 7, the air quantity circulation sketch between first room in such cases 1 and second in room 2 as shown in Figure 3;
(3) establish refrigerator to have room between n, detected the actual temperature T of room between n by detecting unit 8 respectively
1 room, T
2 roomst
k between room... T
room between n, the target temperature T of room between n is set respectively by display unit 10
1 target, T
2 targetst
k target... T
n target, and according to formula Δ T
k=T
room between k-T
k targetobtain the temperature gap Δ T that each room is corresponding
k, and judge the temperature gap Δ T of second room 2 of the second fan 7 correspondence
2whether be the maximum in all temperature gaps, if then the first fan 6, second fan 7 is all opened, and the second fan 7, the air quantity circulation sketch between first room in such cases 1 and second in room 2 as shown in Figure 5 if running with the first rotating speed; Otherwise the first fan 6, second fan 7 is all opened, and the second fan 7 runs with the second rotating speed, the air quantity circulation sketch between first room in such cases 1 and second in room 2 as shown in Figure 4; Wherein the first rotating speed is greater than the second rotating speed.
In above-mentioned control method, in step (3), the range of speeds of the second fan 7 is 1200 ~ 1800rpm.First rotating speed of the second fan 7 can be 1800rpm, and the second rotating speed of the second fan 7 can be 1200rpm.
In the control method that the present embodiment provides, when other rooms are maximum compared with the temperature gap of target temperature for the actual temperature of second room 2, second fan 7 is with high rotation speed operation, the air quantity and the blast that make to enter second room 2 reach maximum, thus make the temperature of second room 2 can be reduced to target temperature fast at short notice, realize fast-refrigerating.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a wind cooling refrigerator, described refrigerator comprises multiple rooms, in described multiple rooms, between one that is positioned at described refrigerator bottom, room is first room, between one that is positioned at described refrigerator the top, room is second room, described refrigerator also comprises air cooling system and control system, described air cooling system comprises evaporimeter, supply air duct, return airway, described evaporator room is positioned at the back of described first room, described supply air duct is communicated with the superjacent air space of described evaporimeter and extends upwardly to the back of described second room, described return airway is communicated with the underlying space of described evaporimeter, the inherent position near described evaporimeter of described supply air duct is provided with the first fan, the position of inherent corresponding multiple the rooms of described supply air duct is provided with multiple air-supply air door one to one, by described air-supply air door to room air-supply between correspondence, it is characterized in that: the position of inherent corresponding described second room of described supply air duct is provided with the second fan, described control system comprises detecting unit, display unit and control unit, described detecting unit is for detecting the actual temperature of each room, described display unit is for setting the target temperature of each room, described control unit respectively with described detecting unit, described display unit, described first fan is connected with described second fan, between described control unit detects according to described detecting unit, the actual temperature of room and the target temperature of display unit setting send instruction, control described first fan and described second fan action.
2. a kind of wind cooling refrigerator as claimed in claim 1, is characterized in that: described refrigerator comprises room between three, between described three, arrange from the bottom up successively in room.
3. the control method of a kind of wind cooling refrigerator as claimed in claim 1, is characterized in that, comprise the steps:
(1) after refrigerator powers on, judge that refrigerator is the need of refrigeration, if then enter step (2), otherwise close the first fan and the second fan;
(2) judge that second room that the second fan is corresponding is the need of refrigeration, if then progressive step (3), otherwise open the first fan, close the second fan;
(3) establish described refrigerator to have room between n, detected the actual temperature T of room between n by detecting unit respectively
1 room, T
2 roomst
k between room... T
room between n, the target temperature T of room between n is set respectively by display unit
1 target, T
2 targetst
k target... T
n target, and according to formula △ T
k=T
room between k-T
k targetobtain the temperature gap △ T that each room is corresponding
k, and judge the temperature gap △ T of second room that the second fan is corresponding
2whether is the maximum in all temperature gaps, if then the first fan, the second fan are all opened, and the second fan runs with the first rotating speed; Otherwise the first fan, the second fan are all opened, and the second fan runs with the second rotating speed; Described first rotating speed is greater than described second rotating speed.
4. the control method of a kind of wind cooling refrigerator as claimed in claim 3, is characterized in that, in described step (3), the range of speeds of described second fan is 1200 ~ 1800rpm.
5. the control method of a kind of wind cooling refrigerator as claimed in claim 3, is characterized in that, in described step (3), the first rotating speed of described second fan is 1800rpm, and the second rotating speed of described second fan is 1200rpm.
Priority Applications (1)
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CN201510557232.1A CN105091458A (en) | 2015-09-02 | 2015-09-02 | Air-cooled refrigerator and control method thereof |
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CN201510557232.1A CN105091458A (en) | 2015-09-02 | 2015-09-02 | Air-cooled refrigerator and control method thereof |
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CN105091458A true CN105091458A (en) | 2015-11-25 |
Family
ID=54572433
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CN201510557232.1A Pending CN105091458A (en) | 2015-09-02 | 2015-09-02 | Air-cooled refrigerator and control method thereof |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105402978A (en) * | 2015-11-30 | 2016-03-16 | 合肥美菱股份有限公司 | Air duct device of refrigerator and full-variable-temperature refrigerator |
CN108302894A (en) * | 2018-01-08 | 2018-07-20 | 合肥美的电冰箱有限公司 | The control method of refrigerator and refrigerator |
CN108955025A (en) * | 2017-05-18 | 2018-12-07 | 东元电机股份有限公司 | Refrigerator devices with temperature-changing chamber |
CN111336752A (en) * | 2020-03-12 | 2020-06-26 | 长虹美菱股份有限公司 | Air duct structure of air-cooled refrigerator and refrigeration control method thereof |
CN111351292A (en) * | 2018-12-20 | 2020-06-30 | 日立环球生活方案株式会社 | Refrigerator with a door |
CN115479436A (en) * | 2021-05-31 | 2022-12-16 | 重庆海尔制冷电器有限公司 | Air duct assembly, refrigerator and control method of refrigerator |
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CN104729193A (en) * | 2015-03-31 | 2015-06-24 | 海信容声(广东)冰箱有限公司 | Method and device for controlling fan in air-cooled refrigerator to work at steady speed |
CN204880932U (en) * | 2015-09-02 | 2015-12-16 | 合肥美菱股份有限公司 | Forced air cooling refrigerator |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN105402978A (en) * | 2015-11-30 | 2016-03-16 | 合肥美菱股份有限公司 | Air duct device of refrigerator and full-variable-temperature refrigerator |
CN108955025A (en) * | 2017-05-18 | 2018-12-07 | 东元电机股份有限公司 | Refrigerator devices with temperature-changing chamber |
CN108955025B (en) * | 2017-05-18 | 2020-09-29 | 东元电机股份有限公司 | Refrigerator device with temperature changing chamber |
CN108302894A (en) * | 2018-01-08 | 2018-07-20 | 合肥美的电冰箱有限公司 | The control method of refrigerator and refrigerator |
CN111351292A (en) * | 2018-12-20 | 2020-06-30 | 日立环球生活方案株式会社 | Refrigerator with a door |
CN111336752A (en) * | 2020-03-12 | 2020-06-26 | 长虹美菱股份有限公司 | Air duct structure of air-cooled refrigerator and refrigeration control method thereof |
CN115479436A (en) * | 2021-05-31 | 2022-12-16 | 重庆海尔制冷电器有限公司 | Air duct assembly, refrigerator and control method of refrigerator |
CN115479436B (en) * | 2021-05-31 | 2024-05-14 | 重庆海尔制冷电器有限公司 | Air duct assembly, refrigerator and control method of air duct assembly |
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