CN106839602B - Air return system and refrigerator - Google Patents
Air return system and refrigerator Download PDFInfo
- Publication number
- CN106839602B CN106839602B CN201710033186.4A CN201710033186A CN106839602B CN 106839602 B CN106839602 B CN 106839602B CN 201710033186 A CN201710033186 A CN 201710033186A CN 106839602 B CN106839602 B CN 106839602B
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- air
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- return
- air outlet
- refrigerator
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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
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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
- 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
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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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/065—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air return
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- 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 provides a return air system and a refrigerator, wherein the return air system is used for the refrigerator and comprises an air duct arranged on a refrigerator body of the refrigerator and a fan fixedly arranged in the air duct, and the air duct comprises: the air inlet is arranged at one end of the air duct; and the air outlet is arranged at the other end of the air duct, wherein the radial width of the air inlet is greater than that of the air outlet. Through the technical scheme of the invention, the pressure difference between the air inlet and the air outlet is increased, the air return speed is accelerated, and the cooling speed of refrigeration and freezing is accelerated.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an air return system and a refrigerator.
Background
The return air inlets of the air ducts of the air-cooled refrigerators in the current market are all positioned at the lower part of the refrigerator body; when the refrigerator starts to work, air cooled around the evaporator is delivered into the refrigerator through the air outlet of the air duct under the action of the fan, hot air in the refrigerator enters the lower part of the evaporator through the air return duct under the action of pressure, and then reaches the refrigerator through the fan and the air outlet after heat exchange of the evaporator, so that air circulation in the refrigerator is established. As shown in fig. 1, the air inlet 204 and the air outlet 202 of the air return structure of the air duct are generally rectangular or elongated, and the cross-sectional areas of the two openings are substantially the same. The design is simple, the return air resistance can be reduced as much as possible, the influence of the drawer in the box and the stored food is avoided, the actual return air speed is slow, the return air efficiency is poor, the condition of uneven temperature is easy to occur, and the storage effect of the food is further influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, it is an object of the present invention to provide a return air system.
Another object of the present invention is to provide a refrigerator.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a return air system for a refrigerator, including an air duct disposed on a refrigerator body of the refrigerator and a fan fixedly disposed in the air duct, the air duct including: the air inlet is arranged at one end of the air duct; and the air outlet is arranged at the other end of the air duct, wherein the radial width of the air inlet is greater than that of the air outlet.
According to the air return system in the technical scheme of the invention, the radial width of the air inlet is set to be larger than that of the air outlet, so that the pressure difference between the air inlet and the air outlet is increased, the air return speed is accelerated, the cooling speed of refrigeration and freezing is accelerated, and the user satisfaction is improved.
According to the above technical solution of the present invention, preferably, the air duct has a groove-like structure.
In the technical scheme, the air channel is of a groove-shaped structure and used for guiding air to flow, and after the air enters the air channel from the air inlet, the air flows to the air outlet along the air channel structure, so that the pressure difference between the inside and the outside of the air channel can be effectively kept, the air circulates along a preset track, the proper air return speed is achieved, and the storage effect of food in the refrigerator is further ensured.
According to the above technical solution of the present invention, preferably, the air duct further includes: the air inlet structure comprises two first side walls, wherein when the number of the first side walls is two, one end of each first side wall is connected with one end of the air inlet, the other end of each first side wall is connected with the other end of the air outlet, and the air channel surface of each first side wall is inwards concave.
In this technical scheme, the wind channel surface of first lateral wall is the inside sunken form of curved surface, makes whole return air duct by air intake to air outlet between form the throat and add spout wind channel structure for the return air speed through the throat section increases, and then has improved the heat exchange efficiency of evaporimeter, and the flaring has reduced again that middle wind speed is high and both sides wind speed is low, the inhomogeneous condition of whole heat transfer to the at utmost.
According to the above technical solution of the present invention, preferably, the air duct further includes: the two ends of the first cover plate are respectively connected with the two ends of the two first side walls at the same side in a sealing mode.
In this technical scheme, form the confined return air system that only has air intake and air outlet through first apron, and then guaranteed the pressure differential between air intake and the air outlet, increase return air speed has further accelerated cold-stored and frozen cooling rate.
According to an aspect of the present invention, preferably, the air duct further includes: the second lateral wall, the second lateral wall includes straight board and bent plate, and when the quantity of second lateral wall was two, the formation air outlet that is parallel to each other between the straight board, and two bent plates form the air intake with the axis symmetry in wind channel, and every bent plate's pitch arc center all is outside at the wind channel.
In this technical scheme, under the condition that the radial width who guarantees the wind channel air intake is greater than the radial width of air outlet, the lateral wall in wind channel can set up to the form of straight board plus bent plate to form the throat wind channel, make return air speed accelerate, guarantee simultaneously that the air current is even, make the air current that flows to the evaporimeter left and right sides position unanimous basically, improve the availability factor of evaporimeter.
According to the above technical solution of the present invention, preferably, the air duct further includes: and two ends of each second cover plate are respectively connected with two ends of the two second side walls at the same side in a sealing manner.
In this technical scheme, form the confined return air system that only has air intake and air outlet through the second apron, and then increased the pressure differential between air intake and the air outlet, increase return air speed simultaneously for cold-stored and refrigerated cooling speed.
According to one aspect of the present invention, preferably, the air duct has a tubular structure.
In this technical scheme, the wind channel is the tubular structure, only has air outlet and air intake, and pipeline circumference sealing connection to guarantee the pressure differential between air intake and the air outlet, increase return air speed has further accelerated cold-stored and frozen cooling speed.
According to the above technical scheme of the present invention, preferably, the air inlet and the air outlet are both arranged in a circular shape, the diameter of the air inlet is larger than that of the air outlet, and the pipe wall between the air inlet and the air outlet is a concave curved surface.
In this technical scheme, air intake and air outlet all are circular setting, have improved the mobile effect of air current to diameter through with the air intake sets up to be greater than the diameter of air outlet, has increased the pressure differential between air intake and the air outlet, and then increases return air speed, has accelerated cold-stored and frozen cooling speed promptly. In addition, the pipe wall between the air inlet and the air outlet is designed to be a concave curved surface so as to form a necking air duct, and the air return speed is accelerated.
According to any one of the above technical solutions of the present invention, preferably, the method further includes: the evaporator is arranged in the air duct, fluid refrigerated by the evaporator is discharged to the box body of the refrigerator by the fan, and after heat exchange is carried out in the box body, the fluid flows back to the evaporator to form circulation.
In this technical scheme, under the effect of fan, the air that cools off around the evaporimeter passes through the wind channel air outlet and delivers to the incasement, the incasement hot-air gets into the evaporimeter below through the return air duct under the effect of pressure, again after evaporimeter heat and cold exchange, reach the incasement through fan and air outlet, wherein, diameter through with the air intake sets up the diameter that is greater than the air outlet, the pressure differential between air intake and the air outlet has been increased, and then increase return air speed, cold-stored and frozen cooling speed has been accelerated promptly, and simultaneously, through the curved surface that sets up to the indent with return air inlet both sides limit, make whole return air duct throat section return air speed increase, promote the heat exchange efficiency of evaporimeter, and the flaring section has reduced the inhomogeneous condition of the whole heat transfer of evaporimeter again at utmost.
According to the second aspect of the present invention, a refrigerator is provided, which includes the air return system provided in any one of the second aspects of the present invention.
In this technical scheme, diameter through with the air intake sets up to be greater than the diameter of air outlet, has increased the pressure differential between air intake and the air outlet, and then increase return air speed, has accelerated cold-stored and frozen cooling rate promptly, simultaneously, through the curved surface that sets up to the indent with return air inlet both sides limit, make whole return air duct throat section return air speed increase, promote the heat exchange efficiency of evaporimeter, and the flaring section furthest has reduced the uneven condition of the whole heat transfer of evaporimeter again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 shows a top view of a prior art return air duct;
FIG. 2 shows a top view of a return air system according to one embodiment of the present invention;
fig. 3 shows a top view of a return air system according to yet another embodiment of the present invention;
fig. 4 shows a top view of a return air system according to yet another embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:
102 outlet, 104 inlet, 202 outlet, 204 inlet.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
A return air system according to an embodiment of the present invention will be specifically described below with reference to fig. 2 and 4.
As shown in fig. 2, according to an embodiment of the first aspect of the present invention, there is provided a return air system for a refrigerator, including an air duct provided on a cabinet of the refrigerator and a fan fixedly provided in the air duct, the air duct including: the air inlet 104 is arranged at one end of the air duct; and the air outlet 102 is arranged at the other end of the air duct, wherein the radial width of the air inlet 104 is greater than that of the air outlet 102.
According to the air return system provided by the embodiment of the invention, the radial width of the air inlet 104 is set to be larger than that of the air outlet 102, so that the pressure difference between the air inlet 104 and the air outlet 102 is increased, the air return speed is increased, the cooling speed of refrigeration and freezing is increased, and the user satisfaction is improved.
Wherein, preferably, return air duct both sides wall is the curve design for whole wind channel becomes the structure of expanding and contracting, through the curved surface that sets up to the indent with return air inlet both sides limit, makes whole return air duct throat section return air speed increase, promotes the heat exchange efficiency of evaporimeter, and the expanding section furthest has reduced the uneven condition of the whole heat transfer of evaporimeter again, and then has improved the refrigeration effect of refrigerator, has further improved user satisfaction.
As shown in fig. 2 and 3, according to the above-described embodiment of the present invention, the air duct is preferably of a groove-like structure.
In this embodiment, the air duct has a groove-shaped structure for guiding air to flow, and after entering the air duct from the air inlet 104, the air flows along the air duct structure to the air outlet 102, so as to effectively maintain the pressure difference between the inside and the outside of the air duct, so that the air flows along a predetermined track, and an appropriate air return speed is achieved, thereby ensuring the storage effect of food in the refrigerator.
As shown in fig. 2, according to the above embodiment of the present invention, preferably, the air duct further includes: when the number of the first side walls is two, one end of each first side wall is connected with one end of the air inlet 104, the other end of each first side wall is connected with the other end of the air outlet 102, and the air channel surface of each first side wall is concave inwards in a curved surface manner.
In this embodiment, the wind channel surface of first lateral wall is the inside sunken form of curved surface, makes whole return air duct form the throat by air intake 104 to air outlet 102 with spout wind channel structure for the return air speed through the throat section increases, and then has improved the heat exchange efficiency of evaporimeter, and the flaring has reduced again the high and both sides wind speed of middle wind speed low, the inhomogeneous condition of whole heat transfer in the at utmost.
According to the above embodiment of the present invention, preferably, the air duct further includes: the two ends of the first cover plate are respectively connected with the two ends of the two first side walls at the same side in a sealing mode.
In this embodiment, a closed air return system having only the air inlet 104 and the air outlet 102 is formed by the first cover plate, so that the pressure difference between the air inlet 104 and the air outlet 102 is ensured, the air return speed is increased, and the cooling speed of refrigeration and freezing is further increased.
As shown in fig. 3, according to an embodiment of the present invention, preferably, the air duct further includes: the second lateral wall, the second lateral wall includes straight board and bent plate, and when the quantity of second lateral wall was two, the formation air outlet 102 that is parallel to each other between the straight board, and two bent plates use the axis symmetry of wind channel, form air intake 104, and every bent plate's pitch arc center all is outside the wind channel.
In this embodiment, under the condition that the radial width of the air inlet 104 of the air duct is greater than the radial width of the air outlet 102, the side wall of the air duct may be set to be a straight plate and a curved plate to form a necking air duct, so as to accelerate the air return speed, ensure uniform air flow, make the air flow flowing to the left and right positions of the evaporator basically consistent, and improve the use efficiency of the evaporator.
According to the above embodiment of the present invention, preferably, the air duct further includes: and two ends of each second cover plate are respectively connected with two ends of the two second side walls at the same side in a sealing manner.
In this embodiment, a closed air return system having only the air inlet 104 and the air outlet 102 is formed by the second cover plate, so that the pressure difference between the air inlet 104 and the air outlet 102 is increased, and the air return speed is increased, thereby increasing the cooling speed of refrigeration and freezing.
According to one embodiment of the present invention, as shown in fig. 4, the air duct is preferably a tubular structure.
In this embodiment, the air duct is a tubular structure, and has only the air outlet 102 and the air inlet 104, and the circumference of the duct is hermetically connected to ensure the pressure difference between the air inlet 104 and the air outlet 102, increase the air return speed, and further accelerate the cooling speed of refrigeration and freezing.
According to the above embodiment of the present invention, preferably, the air inlet 104 and the air outlet 102 are both circular, the diameter of the air inlet 104 is larger than that of the air outlet 102, and the pipe wall between the air inlet 104 and the air outlet 102 is a concave curved surface.
In this embodiment, the air inlet 104 and the air outlet 102 are both circular, which improves the flowing effect of the air flow, and the diameter of the air inlet 104 is set to be larger than that of the air outlet 102, so that the pressure difference between the air inlet 104 and the air outlet 102 is increased, and the return air speed is increased, i.e. the cooling speed of refrigeration and freezing is increased. In addition, the pipe wall between the air inlet 104 and the air outlet 102 is designed to be a concave curved surface to form a necking air duct, so that the air return speed is increased.
According to any one of the above embodiments of the present invention, preferably, the method further comprises: the evaporator is arranged in the air duct, fluid refrigerated by the evaporator is discharged to the box body of the refrigerator by the fan, and after heat exchange is carried out in the box body, the fluid flows back to the evaporator to form circulation.
In this embodiment, under the effect of the fan, the air cooled around the evaporator is sent to the inside of the box through the air duct air outlet 102, the indoor hot air enters the lower part of the evaporator through the air return duct under the effect of pressure, and then reaches the inside of the box through the fan and the air outlet 102 after being subjected to heat exchange by the evaporator, wherein, the diameter of the air inlet 104 is set to be larger than that of the air outlet 102, so that the pressure difference between the air inlet 104 and the air outlet 102 is increased, and further the air return speed is increased, namely, the cooling speed of refrigeration and freezing is accelerated.
According to an embodiment of the second aspect of the invention, a refrigerator is provided, which comprises the air return system provided by any one of the embodiments of the second aspect of the invention.
In this embodiment, through setting up the diameter with air intake 104 to be greater than the diameter of air outlet 102, increased the pressure differential between air intake 104 and the air outlet 102, and then increase return air speed, accelerated cold-stored and frozen cooling rate promptly, simultaneously, through the curved surface that sets up to the indent with return air inlet both sides limit, make whole return air duct throat section return air speed increase, promote the heat exchange efficiency of evaporimeter, and the flaring section furthest has reduced the uneven condition of the whole heat transfer of evaporimeter again.
The technical scheme of the invention is explained in detail above, and the invention provides the air return system, wherein the diameter of the air inlet is set to be larger than that of the air outlet, so that the pressure difference between the air inlet and the air outlet is increased, the air return speed is increased, the cooling speed of refrigeration and freezing is accelerated, meanwhile, the air return speed of the necking section of the whole air return channel is increased by setting the two side edges of the air return inlet to be concave curved surfaces, the heat exchange efficiency of the evaporator is improved, and the condition that the whole heat exchange of the evaporator is uneven is reduced to the greatest extent by the flaring section.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a return air system for the refrigerator, including locating wind channel on the box of refrigerator and set firmly in fan in the wind channel, its characterized in that, the wind channel includes:
the air inlet (104) is arranged at one end of the air duct; and
the air outlet (102) is arranged at the other end of the air duct, wherein the radial width of the air inlet (104) is larger than that of the air outlet (102);
a necking and nozzle structure is arranged between the air duct from the air inlet (104) to the air outlet (102);
the evaporator is arranged in the air duct, fluid refrigerated by the evaporator is discharged to the inside of the refrigerator body by the fan, and after heat exchange is carried out in the refrigerator body, the fluid flows back to the evaporator to form circulation.
2. The air return system of claim 1 wherein the duct is in a trough-like configuration.
3. The air return system of claim 2 wherein the duct further comprises:
the air inlet structure comprises two first side walls, when the number of the first side walls is two, one end of each first side wall is connected with one end of the air inlet (104), the other end of each first side wall is connected with the other end of the air outlet (102), and the air channel surface of each first side wall is inwards concave in a curved surface mode.
4. The air return system of claim 3 wherein the duct further comprises:
and two ends of the first cover plate are respectively in sealing connection with two ends of the first side walls at the same side.
5. The air return system of claim 2 wherein the duct further comprises:
the second lateral wall, the second lateral wall includes straight board and bent plate, when the quantity of second lateral wall is two, be parallel to each other between the straight board and form air outlet (102), two the bent plate with the axis symmetry of wind channel forms air intake (104), every the camber line center of bent plate all is in the wind channel is outside.
6. The air return system of claim 5 wherein the duct further comprises:
and two ends of each second cover plate are respectively in sealing connection with two ends of the second side walls at the same side.
7. The air return system of claim 1 wherein the duct is of tubular construction.
8. The air return system of claim 7, wherein the air inlet (104) and the air outlet (102) are both arranged in a circular shape, the diameter of the air inlet (104) is larger than that of the air outlet (102), and the pipe wall between the air inlet (104) and the air outlet (102) is a concave curved surface.
9. A refrigerator comprising the return air system according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033186.4A CN106839602B (en) | 2017-01-18 | 2017-01-18 | Air return system and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710033186.4A CN106839602B (en) | 2017-01-18 | 2017-01-18 | Air return system and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839602A CN106839602A (en) | 2017-06-13 |
| CN106839602B true CN106839602B (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710033186.4A Active CN106839602B (en) | 2017-01-18 | 2017-01-18 | Air return system and refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN106839602B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543426B (en) * | 2020-11-26 | 2023-05-05 | 合肥美的电冰箱有限公司 | Air duct assembly and refrigeration equipment |
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|---|---|---|---|---|
| JPH11173746A (en) * | 1997-12-11 | 1999-07-02 | Mitsubishi Electric Corp | Refrigerator |
| CN102778095A (en) * | 2012-08-16 | 2012-11-14 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN103335472A (en) * | 2013-07-15 | 2013-10-02 | 合肥华凌股份有限公司 | Refrigerator and return airway thereof |
| CN103499174A (en) * | 2013-10-23 | 2014-01-08 | 合肥华凌股份有限公司 | Air duct assembly of air-cooled refrigerator and air-cooled refrigerator with same |
| CN203605575U (en) * | 2013-11-15 | 2014-05-21 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN103851852A (en) * | 2013-07-23 | 2014-06-11 | 海信（山东）冰箱有限公司 | Air supply system of refrigerator, refrigerator and air supply method |
| CN104457103A (en) * | 2014-12-23 | 2015-03-25 | 合肥美的电冰箱有限公司 | Air channel structure and refrigerator |
| CN104879999A (en) * | 2015-06-15 | 2015-09-02 | 合肥美菱股份有限公司 | Condensation air channel assembly for refrigerator and refrigerator provided with same |
| CN105737481A (en) * | 2016-03-18 | 2016-07-06 | 青岛海尔股份有限公司 | Refrigerator |
-
2017
- 2017-01-18 CN CN201710033186.4A patent/CN106839602B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11173746A (en) * | 1997-12-11 | 1999-07-02 | Mitsubishi Electric Corp | Refrigerator |
| CN102778095A (en) * | 2012-08-16 | 2012-11-14 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN103335472A (en) * | 2013-07-15 | 2013-10-02 | 合肥华凌股份有限公司 | Refrigerator and return airway thereof |
| CN103851852A (en) * | 2013-07-23 | 2014-06-11 | 海信（山东）冰箱有限公司 | Air supply system of refrigerator, refrigerator and air supply method |
| CN103499174A (en) * | 2013-10-23 | 2014-01-08 | 合肥华凌股份有限公司 | Air duct assembly of air-cooled refrigerator and air-cooled refrigerator with same |
| CN203605575U (en) * | 2013-11-15 | 2014-05-21 | 合肥美的电冰箱有限公司 | Refrigerator |
| CN104457103A (en) * | 2014-12-23 | 2015-03-25 | 合肥美的电冰箱有限公司 | Air channel structure and refrigerator |
| CN104879999A (en) * | 2015-06-15 | 2015-09-02 | 合肥美菱股份有限公司 | Condensation air channel assembly for refrigerator and refrigerator provided with same |
| CN105737481A (en) * | 2016-03-18 | 2016-07-06 | 青岛海尔股份有限公司 | Refrigerator |
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| CN106839602A (en) | 2017-06-13 |
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