CN207351040U - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN207351040U CN207351040U CN201721337671.2U CN201721337671U CN207351040U CN 207351040 U CN207351040 U CN 207351040U CN 201721337671 U CN201721337671 U CN 201721337671U CN 207351040 U CN207351040 U CN 207351040U
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- freezing
- refrigeration
- refrigerating chamber
- air inlet
- return
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Abstract
The utility model provides a kind of refrigerator, including babinet, evaporator and ducting assembly.Refrigerating chamber and refrigerating chamber are separated to form in babinet, refrigerating chamber is provided with freezing air inlet and freezing return air inlet, and refrigerating chamber is provided with refrigeration air inlet and refrigeration return air inlet；Cavity is also formed with babinet, evaporator is arranged in cavity；Ducting assembly includes freezing wind turbine, freezing return airway, refrigeration wind turbine and refrigeration return airway, by the gas after evaporator refrigeration, chilled air inlet enters in refrigerating chamber under the action of wind turbine is freezed, freeze return airway connection freezing return air inlet and evaporator, freeze the gas in return airway under the action of wind turbine is refrigerated through refrigerating air inlet to enter in refrigerating chamber, refrigeration return airway is connected with the refrigeration return air inlet and sends the gas of the refrigerating chamber back to cavity.The utility model is cooled down using the indoor cold air of freezing of refrigerator to refrigerating chamber, is reduced the thermic load and power consumption of complete machine, is conducive to refrigerator energy-saving.
Description
Technical field
It the utility model is related to household appliance technical field, more particularly to a kind of refrigerator.
Background technology
Refrigerator is a kind of common household electrical appliance, interior to be equipped with refrigerating chamber and refrigerating chamber.Refrigerating chamber is used for frozen food, fresh-keeping
Time is long, its compartment temperature is generally in subzero 20 degrees centigrade.Refrigerating chamber is used for carrying out fresh-keeping, fresh keeping time to food
Shorter, its compartment temperature is generally between 0-10 degrees Celsius.Wherein, existing refrigerator product, typically using evaporator
By air passage respectively to refrigerating chamber and refrigerating chamber air-supply cooling, the thermic load of such evaporator is big, and the power consumption of complete machine is also big；Again
Or evaporator is set respectively in refrigerating chamber or refrigerating chamber, cool down food, such evaporator heat transfer efficiency using free convection
It is low, and the power consumption of complete machine is also big, it is impossible to it is effectively energy saving.
Therefore, it is necessary to a kind of new refrigerator is provided to solve above-mentioned technical problem.
Utility model content
The main purpose of the utility model is to provide a kind of refrigerator, it is intended to which refrigerator cannot be effectively energy saving in the prior art for solution
The problem of.
To achieve the above object, the utility model proposes refrigerator include：
Babinet, has been separated to form refrigerating chamber and refrigerating chamber in the babinet, the refrigerating chamber be provided with freezing air inlet and
Return air inlet is freezed, the refrigerating chamber is provided with refrigeration air inlet and refrigeration return air inlet；
Evaporator, is also formed with cavity in the babinet, the evaporator is arranged in the cavity；
Ducting assembly, the ducting assembly include freezing wind turbine, freezing return airway, refrigeration wind turbine and refrigeration return air wind
Road, enters the freezing under the action of the freezing wind turbine by the gas after the evaporator refrigeration through the freezing air inlet
Interior, the freezing return airway connection freezing return air inlet exist with the cavity, the gas freezed in return airway
Under the action of the refrigeration wind turbine through it is described refrigeration air inlet enter the refrigerating chamber in, it is described refrigeration return airway with it is described cold
Return air inlet is hidden to connect and send the gas of the refrigerating chamber back to the cavity.
Preferably, it is described refrigeration return airway also with it is described freezing return airway be connected, with and by the refrigerating chamber gas
Body sends the cavity back to by the freezing return airway.
Preferably, the ducting assembly further includes freezing wind inlet channel, the freezing wind inlet channel connect the cavity and
The freezing air inlet.
Preferably, the ducting assembly further includes refrigeration wind inlet channel, and the refrigeration wind inlet channel connection is described to be freezed back
Wind air passage and the refrigeration air inlet.
Preferably, the junction of the refrigeration return airway and the freezing return airway is at return air, it is described refrigerate into
Wind air passage and the junction of the freezing return airway are at inlet air；It is described along the air supply direction of the freezing return airway
Downstream at return air at the inlet air.
Preferably, the refrigeration wind turbine is arranged in the refrigeration wind inlet channel, the refrigeration return airway is interior or institute
State in refrigerating chamber.
Preferably, the freezing wind turbine is arranged in the freezing wind inlet channel or in the refrigerating chamber.
Preferably, the refrigeration air inlet is provided with the air door for controlling gas flow.
Preferably, the freezing return air inlet is located at the lower section of the refrigerating chamber.
Preferably, the freezing air inlet, freezing return air inlet, refrigeration air inlet and the quantity of return air inlet and described is refrigerated
It is at least one that wind turbine, which is freezed, with the quantity for refrigerating wind turbine.
In the technical solution of the utility model, evaporator only needs supplying cold directly to reduce steaming to a certain extent to refrigerating chamber
Send out the thermic load of device and the power consumption of complete machine.Secondly, collected at freezing return air inlet and freeze indoor cold air, the cold air of refrigerating chamber
Chilled return air duct is sent to refrigerating chamber to the food cooling in refrigerating chamber, additionally increases semen donors without evaporator to refrigeration
Room, the operating time of compressor shortens, and running rate reduces, and power consumption reduces.Moreover, the cold air at refrigeration return air inlet is through refrigeration
Return airway is returned in cavity, can be sent to the air-flow of cavity with freezing return airway and be exchanged heat after being sufficiently mixed by evaporator,
Be conducive to improve the heat exchange efficiency of evaporator, easy to refrigerator energy-saving.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of the refrigerator of one embodiment of the utility model；
Fig. 2 is the structure diagram of the refrigerator of another embodiment of the utility model；
Fig. 3 is that the air-flow of the refrigerator of the utility model moves towards schematic diagram；
Fig. 4 is that another air-flow of the refrigerator of the utility model moves towards schematic diagram.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Refrigerator | 151 | Freeze wind turbine |
| 110 | Babinet | 152 | Freeze return airway |
| 120 | Refrigerating chamber | 153 | Refrigerate wind turbine |
| 121 | Freeze air inlet | 154 | Refrigerate return airway |
| 122 | Freeze return air inlet | 155 | Freeze wind inlet channel |
| 130 | Refrigerating chamber | 156 | Refrigerate wind inlet channel |
| 131 | Refrigerate air inlet | 157 | At inlet air |
| 132 | Refrigerate return air inlet | 158 | At return air |
| 140 | Evaporator | 160 | Drip tray |
| 150 | Ducting assembly | 170 | Air door |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation under a certain particular pose (as shown in drawings) between each component, motion conditions etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, and it cannot be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for description purpose
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in the description of the utility model
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
Also, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
The utility model provides a kind of refrigerator, it is intended to solves the problems, such as that refrigerator cannot be effectively energy saving.
As depicted in figs. 1 and 2, a kind of refrigerator 100 provided by the utility model, it includes babinet 110,140 and of evaporator
Ducting assembly 150.Refrigerating chamber 120 and refrigerating chamber 130 have been separated to form in babinet 110, has been side by side combination refrigerator in Fig. 1, has been freezed
Room 120 and refrigerating chamber 130 are preferably to be arranged side by side, and are separated with intermediate bulkhead, are double-door type refrigerator in Fig. 2, refrigerating chamber 130
It is arranged at the top of refrigerating chamber 120.Wherein, freezing air inlet 121 and freezing return air inlet 122, refrigerating chamber are provided with refrigerating chamber 120
130 are provided with refrigeration air inlet 131 and refrigeration return air inlet 132.In babinet 110 babinet is arranged at formed with cavity, evaporator 140
In 110 cavity, and preferential opposite refrigerating chamber 120 is set, and outside refrigerating chamber 120.Ducting assembly 150 includes freezing wind turbine
151st, return airway 152, refrigeration wind turbine 153 and refrigeration return airway 154 are freezed.Gas after being freezed by evaporator 140 exists
Enter under the action of freezing wind turbine 151 by freezing air inlet 121 in refrigerating chamber 120；The freezing connection of return airway 152 freezes back
Air port 122 and evaporator 140, gas in refrigerating chamber 120 enter freezing return airway 152 by freezing return air inlet 122 and pass through
Freezing return airway 152 returns to cavity, and carries out heat exchange refrigeration by evaporator 140；Moreover, the gas in freezing air -return duct exists
Enter refrigerating chamber 130 through refrigerating air inlet 131 under the action of refrigeration wind turbine 153, refrigeration return airway 154 is with refrigerating return air inlet
132 connect and the gas in the refrigerating chamber 130 are returned to cavity, and carry out heat exchange refrigeration by evaporator 140.
Refrigerator 100 provided by the utility model, as gas is moved towards shown in E in Fig. 3, the low-temp low-pressure in evaporator 140
Enter compressor after the heat of gas outside refrigerant suction evaporator 140, gas carries out heat with the refrigerant in evaporator 140
Amount exchanges, it is achieved thereby that the refrigerating function of evaporator 140.Gas after refrigeration is under the action of wind turbine 151 is freezed through supercooling
Freeze air inlet 121 to enter in refrigerating chamber 120, be the food cooling in refrigerating chamber 120.Freezing is collected at freezing return air inlet 122
Cold air in room 120 enters freezing return airway 152 and returns in cavity, and heat exchange refrigeration is carried out by evaporator 140.Meanwhile
The temperature for the cold air that freezing return air inlet 122 is collected is enough the food cooling to refrigerating chamber 130, is not yet reached in cold air in cavity
When, the cold air that return air duct is freezed under the action of wind turbine 153 is refrigerated is sent to refrigerating chamber 130 to the food in refrigerating chamber 130
Cooling；Then by refrigerating the gas in the collection refrigerating chamber 130 of return air inlet 132, and returned to by refrigerating return airway 154 to chamber
Exchanged heat in vivo by evaporator 140.The utility model is using the freezing return air cold air of refrigerating chamber 120 to the food in refrigerating chamber 130
Thing cools down, and additionally increase semen donors without evaporator 140 to refrigerating chamber 130, is conducive to the energy-saving effect of raising refrigerator 100.
Further, in a preferred embodiment, return airway 154 is refrigerated also to be connected with freezing return airway 152, and will
The gas of refrigerating chamber 130 returns to evaporator 140 by freezing return airway 152.Refrigerate the refrigerating chamber in return airway 154
130 return air gases are sufficiently mixed with the 120 return air gas of refrigerating chamber in freezing return airway 152 in freezing return airway 152,
Mutually transmit heat so that return to the temperature equalization of the gas in cavity, be conducive to improve the heat exchange efficiency of evaporator 140.Ginseng
See Fig. 4, the route for moving towards E of 100 refrigerant gas of refrigerator is at this time：The refrigerant suction of low-temp low-pressure in evaporator 140 is cold
Enter compressor after freezing the heat for the gas that return airway 152 is sent back to, and refrigerant carries out heat exchange with gas, realizes back
The refrigeration of general mood body；Gas after refrigeration enters refrigerating chamber 120 under the action of wind turbine 151 is freezed by freezing air inlet 121
It is interior, it is the food cooling in refrigerating chamber 120；The cold air in refrigerating chamber 120 is collected at freezing return air inlet 122 and enters freezing return air
Air passage 152 simultaneously returns in cavity and carries out heat exchange refrigeration by evaporator 140.Meanwhile freeze the cold air that return air inlet 122 is collected
Temperature is enough the food cooling to refrigerating chamber 130, and when not yet arriving cavity, backwind tube is freezed under the action of wind turbine 153 is refrigerated
The cold air in road is sent to refrigerating chamber 130 to the food cooling in refrigerating chamber 130；Then refrigeration is collected by refrigerating return air inlet 132
Gas in room 130, and entered by refrigerating return airway 154 after freezing return airway 152 with freezing in return airway 152
Gas mixing heat-shift, eventually passes back to carry out heat exchange refrigeration through evaporator 140 in cavity, improves the heat exchange effect of evaporator 140
Rate.
Further, in the above-described embodiments, ducting assembly 150 further includes freezing wind inlet channel 155 and refrigeration inlet air
Air passage 156.155 connection cavity of wind inlet channel and freezing air inlet 121 are freezed, the gas after the refrigeration of evaporator 140 passes through cold
Freeze wind inlet channel 155 and reach freezing air inlet 121, enter refrigerating chamber 120 by freezing air inlet 121 in refrigerating chamber 120
Food cooling；The connection of wind inlet channel 156 freezing return airway 152 and refrigeration air inlet 131 are refrigerated, freezing return airway 152
Gas reaches refrigeration air inlet 131 through refrigerating wind inlet channel 156, is refrigerating chamber by refrigerating air inlet 131 to enter refrigerating chamber 130
Food cooling in 130.
It should be noted that refrigeration return airway 154 is refrigeration 158 at return air with the junction for freezing return airway 152
The junction of wind inlet channel 156 and freezing return airway 152 is at inlet air 157；Along the air supply direction of the freezing return airway
On, at return air 158 at the inlet air 157 downstream.Referring to Fig. 4 (arrow show air-flow and moves towards E), at return air 158 be located at into
157 downstream refers to move towards E along the air-flow in freezing return airway 152 at wind, and air-flow first flows through freezing return airway 152
157 then flow through 158 at the return air of freezing return airway 152 at inlet air, eventually pass back in cavity.
Furthermore, it is necessary to explain, refrigeration wind turbine 153 can be arranged in refrigeration wind inlet channel 156, in refrigeration wind turbine
Under 153 suction, freeze the gas in return airway 152 and 157 enter at inlet air in refrigeration wind inlet channels 156 and towards refrigerating chamber
Direction is advanced, and reaches refrigerating chamber to food cooling.In addition, refrigeration wind turbine 153 can also be arranged at refrigerating chamber 130 and refrigeration return air
In air passage 154, under the suction of refrigeration wind turbine 153, freeze the gas in return airway 152 and enter refrigerating chamber 130 and refrigerate back
In wind air passage 154, since the swabbing action for freezing wind turbine makes the gas pressure in cavity smaller, refrigerate in return airway 154
Gas can be returned in cavity.At the same time, freezing wind turbine 151 can be arranged at freezing wind inlet channel 155 or refrigerating chamber 120
It is interior.Under the swabbing action of freezing wind turbine 151, the gas through evaporator heat exchange refrigeration is by freezing wind inlet channel 155 and freezing
Air inlet 121, enters in refrigerating chamber 120, for the food cooling in refrigerating chamber 120.Wherein, in preferred embodiment
In, freezing wind turbine 151 is arranged at freezing air inlet 121, and refrigeration wind turbine 153 is arranged at refrigeration air inlet 131.
In other embodiments, air inlet 121, freezing return air inlet 122, refrigeration air inlet 131 and refrigeration return air inlet are freezed
132 quantity and the quantity of the freezing wind turbine 151 and refrigeration wind turbine 153 both can be one, or it is multiple, with
Easy to preferably realize the refrigerating function of refrigerator 100 and reach more preferable refrigeration effect.
In a preferred embodiment, the air door 170 of control air flow rate is additionally provided with referring to Fig. 1, refrigeration air inlet 131,
By controlling temperature in the big minor adjustment refrigerating chamber 130 of 170 folding of air door.Air door 170 be preferably electric flap, electric flap with it is cold
The temperature sensor hidden in room 130 is electrically connected, and electric flap is controlled by the change of temperature in real-time perception refrigerating chamber 130
Size is opened, to adjust the size for the air conditioning quantity for entering refrigerating chamber 130 from freezing return airway 152, prevents freezing return air gas
Food in freezing refrigerating chamber 130.
Explanation is needed further exist for, referring to Fig. 1 and Fig. 2, freezing return air inlet 122 is located at the lower section of refrigerating chamber 120, refrigeration
After the compartment of the chilled room 120 of gas is to 120 food cooling of refrigerating chamber, sink under the effect of gravity, freeze return air inlet 122
The recycling of the cold air in refrigerating chamber 120 is more favorable in the lower section of refrigerating chamber 120.In addition, the relative evaporation device 140 in babinet 110
Lower position be provided with drip tray 160, for collect evaporator 140 generation condensed water, be also connected with setting with drip tray 160
There is drainpipe, drainpipe connects the outside of babinet 110, for condensed water to be discharged outside refrigerator 100, further, drip tray 160
It is preferably disposed in cavity.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Conversion, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of refrigerator, it is characterised in that the refrigerator includes：
Babinet, refrigerating chamber and refrigerating chamber have been separated to form in the babinet, and the refrigerating chamber is provided with freezing air inlet and freezing
Return air inlet, the refrigerating chamber are provided with refrigeration air inlet and refrigeration return air inlet；
Evaporator, is also formed with cavity in the babinet, the evaporator is arranged in the cavity；
Ducting assembly, the ducting assembly include freezing wind turbine, freezing return airway, refrigeration wind turbine and refrigeration return airway,
Enter the refrigerating chamber through the freezing air inlet under the action of the freezing wind turbine by the gas after the evaporator refrigeration
Interior, the freezing return airway connection freezing return air inlet and the cavity, the gas freezed in return airway is in institute
State and enter through the refrigeration air inlet in the refrigerating chamber under the action of refrigeration wind turbine, refrigeration return airway and the refrigeration
Return air inlet connects and sends the gas of the refrigerating chamber back to the cavity.
2. refrigerator as claimed in claim 1, it is characterised in that the refrigeration return airway also connects with the freezing return airway
Connect, send the gas of the refrigerating chamber back to the cavity by the freezing return airway.
3. refrigerator as claimed in claim 2, it is characterised in that the ducting assembly further includes freezing wind inlet channel, described cold
Freeze wind inlet channel and connect the cavity and the freezing air inlet.
4. refrigerator as claimed in claim 3, it is characterised in that the ducting assembly further includes refrigeration wind inlet channel, described cold
Hide the wind inlet channel connection freezing return airway and the refrigeration air inlet.
5. refrigerator as claimed in claim 4, it is characterised in that the company of the refrigeration return airway and the freezing return airway
Place is met as at return air, the refrigeration wind inlet channel is with the junction for freezing return airway at inlet air；Freezed back along described
On the air supply direction in wind air passage, the downstream at the return air at the inlet air.
6. refrigerator as claimed in claim 4, it is characterised in that it is described refrigeration wind turbine be arranged at it is described refrigeration wind inlet channel in,
In the refrigeration return airway or in the refrigerating chamber.
7. refrigerator as claimed in claim 4, it is characterised in that it is described freezing wind turbine be arranged at it is described freezing wind inlet channel in or
Described in person in refrigerating chamber.
8. such as the refrigerator any one of claim 1-7, it is characterised in that the refrigeration air inlet is provided with for controlling
The air door of gas flow.
9. such as the refrigerator any one of claim 1-7, it is characterised in that the freezing return air inlet is located at the refrigerating chamber
Lower section.
10. such as the refrigerator any one of claim 1-7, it is characterised in that it is described freezing air inlet, freezing return air inlet,
It is at least one to refrigerate air inlet and refrigerate the quantity of return air inlet and the quantity of the freezing wind turbine and refrigeration wind turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337671.2U CN207351040U (en) | 2017-10-16 | 2017-10-16 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337671.2U CN207351040U (en) | 2017-10-16 | 2017-10-16 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351040U true CN207351040U (en) | 2018-05-11 |
Family
ID=62355245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337671.2U Active CN207351040U (en) | 2017-10-16 | 2017-10-16 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351040U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422497A (en) * | 2019-08-30 | 2019-11-08 | 中车长江车辆有限公司 | Frozen products insulated container and draw cooling and radiation device |
| CN111780481A (en) * | 2020-08-05 | 2020-10-16 | 长虹美菱股份有限公司 | Refrigerator with simple air return duct device with refrigeration and freezing integrated functions |
| CN111780484A (en) * | 2020-08-05 | 2020-10-16 | 长虹美菱股份有限公司 | Simple air return duct device with refrigeration and freezing integrated functions |
| CN112393500A (en) * | 2020-11-09 | 2021-02-23 | 安徽康佳同创电器有限公司 | Air supply structure for refrigerator, refrigerator and air supply method |
| CN112728847A (en) * | 2021-01-22 | 2021-04-30 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
| CN113375410A (en) * | 2020-02-25 | 2021-09-10 | 合肥华凌股份有限公司 | Return air temperature control mechanism, return air temperature control method, operation control device and refrigerator |
-
2017
- 2017-10-16 CN CN201721337671.2U patent/CN207351040U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110422497A (en) * | 2019-08-30 | 2019-11-08 | 中车长江车辆有限公司 | Frozen products insulated container and draw cooling and radiation device |
| CN110422497B (en) * | 2019-08-30 | 2023-10-31 | 中国国家铁路集团有限公司 | Refrigerated container and cold-inducing and heat-dissipating device |
| CN113375410A (en) * | 2020-02-25 | 2021-09-10 | 合肥华凌股份有限公司 | Return air temperature control mechanism, return air temperature control method, operation control device and refrigerator |
| CN113375410B (en) * | 2020-02-25 | 2022-09-30 | 合肥华凌股份有限公司 | Return air temperature control mechanism, return air temperature control method, operation control device and refrigerator |
| CN111780481A (en) * | 2020-08-05 | 2020-10-16 | 长虹美菱股份有限公司 | Refrigerator with simple air return duct device with refrigeration and freezing integrated functions |
| CN111780484A (en) * | 2020-08-05 | 2020-10-16 | 长虹美菱股份有限公司 | Simple air return duct device with refrigeration and freezing integrated functions |
| CN112393500A (en) * | 2020-11-09 | 2021-02-23 | 安徽康佳同创电器有限公司 | Air supply structure for refrigerator, refrigerator and air supply method |
| CN112728847A (en) * | 2021-01-22 | 2021-04-30 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
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