CN109974377B - Return air grille of refrigerator and refrigerator - Google Patents
Return air grille of refrigerator and refrigerator Download PDFInfo
- Publication number
- CN109974377B CN109974377B CN201910252227.8A CN201910252227A CN109974377B CN 109974377 B CN109974377 B CN 109974377B CN 201910252227 A CN201910252227 A CN 201910252227A CN 109974377 B CN109974377 B CN 109974377B
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- Prior art keywords
- air
- return air
- refrigerator
- duct
- return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims description 13
- 238000001704 evaporation Methods 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 230000003020 moisturizing effect Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009920 food preservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010257 thawing 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
- 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
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
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 relates to a return air grid of a refrigerator and the refrigerator. The return air grid includes: a grille part configured to be arranged at a return air inlet of the refrigerator or at the front side of the return air inlet; and the heat conduction part is connected with the grid part, an air guide duct is arranged in the heat conduction part and is configured to guide cold air in the refrigerator to the grid part to reduce the temperature of the grid part so as to condense moisture in air entering the return air inlet through the grid part. The air conditioner can condense the moisture in the circulating return air of the storage compartment flowing through the return air grid by utilizing the cool air in the air supply duct so as to intercept and collect the cool air in the storage compartment, at least reduce the moisture loss and loss in the non-closed space such as the refrigerating chamber and the like, and ensure that the non-closed space has a certain moisture preservation function. After the condensed water on the return air grid drops into the storage compartment, the water can be naturally evaporated, the humidity of the refrigerating compartment is increased, and the food dry consumption is reduced.
Description
Technical Field
The invention relates to the field of refrigeration equipment, in particular to a return air grid and a refrigerator with the return air grid.
Background
The refrigerator can comprise an air-cooled refrigerator, and the food in a refrigerating chamber of the air-cooled refrigerator is frequently subjected to water loss, so that the longer the storage time is, the larger the water loss is. The existing air-cooled refrigerator refrigerating chamber is provided with a special closed space (such as a moisturizing box/a moisturizing drawer and the like) for food preservation, and the space achieves food preservation through good sealing performance, so that water loss is reduced. However, most of the moisture is carried away by the food in the non-closed space due to the air flow, which causes a large dry consumption of the food, such as a refrigerating chamber. Namely, the space without the moisturizing drawer is larger in water loss of food placed in the non-moisturizing area due to the defects of large food dry consumption and the like of the air-cooled refrigerator, and the longer the time is, the more the food is shrunken. In the prior art, a humidifying device, such as a humidifier, is generally adopted to humidify the non-closed space, and the humidifying device needs to manually add water to humidify the refrigerator, so that the refrigerator has a complex structure and is inconvenient to manually operate.
Disclosure of Invention
The invention aims to overcome at least one defect of the existing refrigerator, and provides a return air grid of the refrigerator and the refrigerator, which at least can reduce water loss and loss in a non-closed space, so that the non-closed space has a certain moisture preservation function, and the refrigerator has a simple structure and does not need manual operation.
To this end, in one aspect, the present invention provides a return air grille of a refrigerator, comprising:
a grille part configured to be arranged at a return air inlet of the refrigerator or at the front side of the return air inlet; and
And the heat conduction part is connected with the grid part, an air guide duct is arranged in the heat conduction part and is configured to guide cold air in the air supply duct of the refrigerator to the grid part to reduce the temperature of the grid part so as to condense moisture in air entering the return air inlet through the grid part.
Optionally, a heat exchange cavity communicated with the air guide duct is arranged in the grille part; or alternatively, the first and second heat exchangers may be,
At least one heat exchange air duct is arranged in the grid part, an inlet of each heat exchange air duct is communicated with an outlet of the air guide air duct, and an outlet of each heat exchange air duct is communicated with the outer side of the grid part.
Optionally, the grid part is in a flat plate shape, and a plurality of communication holes penetrating through two sides of the grid part are arranged on the grid part.
Optionally, the or each heat exchange cavity is disposed inside the grille part.
Optionally, each heat exchange air duct and each communication hole extend in a horizontal direction, and each heat exchange air duct is located between two adjacent communication holes.
Optionally, the heat conducting part is in a shape of a plate extending in a bending way, and the grid part is arranged at one end of the heat conducting part.
Optionally, an air door is arranged at the air inlet of the air guide duct or in the air guide duct.
In another aspect, the present invention also provides a refrigerator, including:
The box body is internally provided with a storage compartment, an air return port and an air supply duct, wherein the air return port is arranged on the wall surface of the storage compartment; and
The air return grille comprises a grille part, wherein the grille part is arranged at the air return opening or at the front side of the air return opening, and an air inlet of the air guide air duct of the heat conducting part is communicated with the air supply air duct.
Optionally, a water storage structure is further arranged in the storage compartment and is arranged at the lower side of the return air grid.
Optionally, the water storage structure is a water storage groove and is arranged on the wall surface of the bottom side compartment of the storage compartment.
Optionally, the refrigerator further comprises an evaporation pan and an overflow pipe; the overflow pipe is communicated with the water storage structure and the evaporation dish.
Optionally, the storage compartment is a refrigerating compartment, and the air supply duct is communicated with the refrigerating compartment.
Optionally, an air supply port communicated with the air supply duct is arranged on the wall surface of the rear side compartment of the storage compartment;
the air supply duct extends along the vertical direction and is arranged in the middle of the rear side of the storage compartment;
the air return opening is arranged at one side of the lower part of the wall surface of the rear side compartment;
one end of the heat conduction part, which is far away from the grid part, is connected with the air supply duct.
In the return air grille and the refrigerator, the cold air from the air supply duct can be utilized to condense the moisture in the circulating return air of the storage room passing through the return air grille so as to intercept and collect the cold energy in the storage room, at least the moisture loss and loss in the non-closed space such as the refrigerating room can be reduced, and the non-closed space has a certain moisture-preserving function. After the condensed water on the return air grid drops into the storage compartment, the water can be naturally evaporated, the humidity of the refrigerating compartment is increased, and the food dry consumption is reduced. The water entering the cooling chamber can be reduced, the frosting quantity on the evaporator is reduced, and further the energy consumption required by defrosting the evaporator is reduced, and the energy-saving effect is good. And is simple and convenient, and has strong practicability. The invention can collect the water in the refrigerating chamber and reduce the food dry consumption under the condition of not affecting the moisture retention performance of the existing closed space (such as a moisture retention box/a moisture retention drawer and the like).
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
Fig. 1 is a schematic front view of a return air grille according to one embodiment of the present invention;
fig. 2 is a schematic top view of a return air grille according to one embodiment of the present invention;
fig. 3 is a schematic side view of a return air grille according to one embodiment of the present invention;
Fig. 4 is another schematic side view of a return air grille according to one embodiment of the present invention;
fig. 5 is a schematic front view of a refrigerator according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view taken along the A-A plane in fig. 5.
Detailed Description
Fig. 1 is a schematic front view of a return air grille 30 according to one embodiment of the present invention. As shown in fig. 1 and referring to fig. 2 to 6, an embodiment of the present invention provides a return air grill 30 of a refrigerator. The return air grill 30 may include a grill portion 31 and a heat conducting portion 32. The grill portion 31 is configured to be disposed at or in front of the return air inlet of the refrigerator. The heat conducting part 32 is connected to the grill part 31, and an air guide duct 321 is provided in the heat conducting part 32, and configured to guide cool air in the refrigerator to the grill part 31 to reduce the temperature of the grill part 31, so that moisture in the air entering the return air inlet through the grill part 31 is condensed. The inlet end of the air guide duct 321 may be inserted into the air supply duct 23 of the refrigerator, the cooling chamber, other compartments with lower temperature, etc.
In the return air grille 30 of the embodiment of the present invention, the cooled air from the air supply duct 23 and the like can be used to cool the grille part 31, and the cooled grille part 31 condenses the moisture in the circulating return air flowing through the storage compartment 21 of the return air grille 30, so as to intercept and collect the cold in the storage compartment 21, at least reduce the moisture loss and loss in the non-closed space such as the refrigerating compartment, and make the non-closed space have a certain moisture-preserving function. After the condensed water on the return air grid 30 drops into the storage compartment 21, the water can evaporate naturally, so that the humidity of the refrigerating compartment is increased, and the food dry consumption is reduced. Further, the grill portion 31 may have a flat plate shape, on which a plurality of communication holes 311, such as bar-shaped communication holes 311 or circular communication holes 311, are provided to penetrate both sides thereof. The bar-shaped communication hole 311 preferably extends in a horizontal direction so that condensed moisture on the upper and lower sides of the communication hole 311 is not substantially disturbed and collided in a downward flowing process, and is not carried away by return air, i.e., moisture can be collected to the greatest extent, and moisture loss is prevented.
In some embodiments of the present invention, a heat exchange chamber communicating with the air guide duct 321 is provided in the grill portion 31. In some preferred embodiments of the present invention, at least one heat exchanging air duct 312 is disposed in the grill portion 31, and an inlet of each heat exchanging air duct 312 is communicated with an outlet of the air guiding duct 321, and an outlet of each heat exchanging air duct 312 is communicated with an outer side of the grill portion 31, so that cold air enters the storage compartment having the air return port, and of course, the cold air may also enter other places through a communicating pipe or the like. To improve heat exchange efficiency, each heat exchange air channel 312 and each communication hole extend in a horizontal direction, and each heat exchange air channel 312 is located between two adjacent communication holes.
In some embodiments of the present invention, the heat conducting portion 32 is in a plate shape extending in a bent manner or a plate shape extending in a straight line, and the grid portion is disposed at one end of the heat conducting portion. For example, the heat conducting portion 32 may be L-shaped to facilitate installation of the return air grille 30. Preferably, an air door is arranged at the air inlet of the air guide duct 321 or in the air guide duct 321, so that the opening and closing of the air return grid can be realized through the air door. The air door can be controlled manually or automatically. For example, a humidity sensor may be disposed in the storage compartment having the above-mentioned return air inlet to close the return air grill 30 when the humidity reaches a certain value.
Fig. 5 is a schematic front view of a refrigerator according to an embodiment of the present invention, as shown in fig. 5, and referring to fig. 6, the embodiment of the present invention also provides a refrigerator, which may include a cabinet 20 and a return air grill 30 in any of the above embodiments. The box 20 is internally provided with a storage compartment 21, an air return port and an air supply duct 23, wherein the air return port is arranged on the wall surface of the storage compartment 21. The grille part 31 of the return air grille 30 is arranged at the return air inlet or at the front side of the return air inlet, and the air inlet of the air guide duct 321 of the heat conducting part 32 of the return air grille 30 is communicated with the air supply duct. Preferably, an end of the heat conducting portion 32 remote from the grill portion 31 is connected to the air supply duct 23.
In some embodiments of the present invention, a water storage structure is further disposed in the storage compartment 21 and disposed at the lower side of the return air grille 30. The storage structure may have a larger opening to facilitate natural evaporation of moisture, etc. therein. If the water storage structure is a water storage groove 26, the water storage groove is arranged on the wall surface of the bottom side compartment of the storage compartment 21. Further, the refrigerator may further include an evaporation pan and an overflow pipe. The evaporating dish can be arranged at the lower side of the storage room 21, such as in the compressor cabin at the lower side of the storage room 21. The overflow pipe is communicated with the water storage structure and the evaporation dish so as to control the water quantity in the water storage groove and enable redundant water to flow into the evaporation dish. Further, the water storage groove 26 may be designed to have a large evaporation area, for example, the bottom surface area of the water storage groove 26 is 20% to 40% of the bottom side compartment wall surface area of the storage compartment 21. Of course, other water storage structures may be employed, such as serpentine-like extending flow channels formed in the bottom wall of the storage compartment 21. In other embodiments of the present invention, a humidity sensor may be provided in the storage compartment 21 to close the return air grille 30 when the humidity reaches a certain value (which may be determined by experimental means, etc. corresponding to the amount of water in the water storage recess 26).
In some embodiments of the present invention, the storage compartment 21 is a refrigerating compartment, and the supply air duct 23 communicates with the refrigerating compartment. An air supply port 25 communicated with the air supply duct 23 is arranged on the wall surface of the rear side compartment of the storage compartment 21; the air supply duct 23 extends along the vertical direction and is arranged in the middle of the rear side of the storage compartment 21; the return air inlet is arranged at one side of the lower part of the wall surface of the rear compartment. The refrigerator is also provided with a cooling chamber in which an evaporator is arranged. The air supply duct 23 communicates with the cooling chamber, and the return air inlet communicates with the cooling chamber via the return air duct 24.
That is, as shown in fig. 4, the return air grill 30 is installed at a refrigerating return air inlet position, wherein one end (right) of the return air grill 30 is connected to the refrigerating supply air duct 23, and one end (left) is placed at the return air inlet position. The air in the air supply duct 23 passes through the air return grille 30 to reduce the grille temperature at the air return opening, so that when the air flowing in the refrigerating chamber passes through the air return opening, the moisture in the air can condense due to the low-temperature air return grille 30 structure, and finally drops into the lower water storage groove, namely the water storage groove 26.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims (10)
1. A return air grille for a refrigerator, comprising:
a grille part configured to be arranged at a return air inlet of the refrigerator or at the front side of the return air inlet; and
And the heat conduction part is connected with the grid part, and an air guide duct is arranged in the heat conduction part and is configured to guide cold air in the refrigerator to the grid part to reduce the temperature of the grid part so as to condense moisture in air entering the return air inlet through the grid part.
2. A return air grille as set forth in claim 1, wherein,
A heat exchange cavity communicated with the air guide duct is arranged in the grid part; or alternatively, the first and second heat exchangers may be,
At least one heat exchange air duct is arranged in the grid part, an inlet of each heat exchange air duct is communicated with an outlet of the air guide air duct, and an outlet of each heat exchange air duct is communicated with the outer side of the grid part.
3. A return air grille as set forth in claim 2, wherein,
The grid part is in a flat plate shape, and a plurality of communication holes penetrating through two sides of the grid part are formed in the grid part.
4. A return air grille as claimed in claim 3, wherein,
Each heat exchange air duct and each communication hole extend in the horizontal direction, and each heat exchange air duct is located between two adjacent communication holes.
5. A return air grille as set forth in claim 1, wherein,
The heat conducting part is in a bent and extended plate shape, and the grid part is arranged at one end of the heat conducting part.
6. A return air grille as set forth in claim 1, wherein,
An air door is arranged at the air inlet of the air guide duct or in the air guide duct.
7. A refrigerator, comprising:
The box body is internally provided with a storage compartment, an air return port and an air supply duct, wherein the air return port is arranged on the wall surface of the storage compartment; and
The return air grille of any one of claims 1 to 6, wherein the grille part is provided at the return air inlet or on a front side of the return air inlet, and an air inlet of the air guide duct of the heat conducting part is communicated with the air supply duct.
8. The refrigerator according to claim 7, wherein,
And a water storage structure is arranged in the storage room and is arranged at the lower side of the return air grid.
9. The refrigerator according to claim 8, wherein,
The water storage structure is a water storage groove and is arranged on the wall surface of the bottom side compartment of the storage compartment.
10. The refrigerator of claim 9, further comprising an evaporation pan and an overflow tube;
the overflow pipe is communicated with the water storage structure and the evaporation dish;
The storage compartment is a refrigerating compartment, and the air supply duct is communicated with the refrigerating compartment;
An air supply port communicated with the air supply duct is arranged on the wall surface of the rear side compartment of the storage compartment;
the air supply duct extends along the vertical direction and is arranged in the middle of the rear side of the storage compartment;
The return air inlet is arranged at one side of the lower part of the wall surface of the rear side compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252227.8A CN109974377B (en) | 2019-03-29 | 2019-03-29 | Return air grille of refrigerator and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910252227.8A CN109974377B (en) | 2019-03-29 | 2019-03-29 | Return air grille of refrigerator and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109974377A CN109974377A (en) | 2019-07-05 |
| CN109974377B true CN109974377B (en) | 2024-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910252227.8A Active CN109974377B (en) | 2019-03-29 | 2019-03-29 | Return air grille of refrigerator and refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN109974377B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899133A (en) * | 2020-06-22 | 2022-01-07 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN113899134A (en) * | 2020-06-22 | 2022-01-07 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
| CN113847769B (en) * | 2020-06-28 | 2023-01-20 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
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| CN104976857A (en) * | 2015-07-07 | 2015-10-14 | 合肥晶弘电器有限公司 | Air cooling refrigerator moisturizing structure for single system refrigeration and refrigerator |
| CN205002511U (en) * | 2015-08-28 | 2016-01-27 | 沈阳海尔电冰箱有限公司 | Refrigerator |
| CN210292490U (en) * | 2019-03-29 | 2020-04-10 | 青岛海尔电冰箱有限公司 | Return air grid of refrigerator and refrigerator |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2939255B1 (en) * | 1998-09-30 | 1999-08-25 | ジーエーシー株式会社 | Grain refrigeration equipment |
| KR100288258B1 (en) * | 1998-11-30 | 2001-05-02 | 전주범 | Cold air circulation system of side by side refrigerator |
| JP3652183B2 (en) * | 1999-09-28 | 2005-05-25 | シャープ株式会社 | refrigerator |
| JP2009275929A (en) * | 2008-05-12 | 2009-11-26 | Toshiba Corp | Refrigerator |
| JP5138519B2 (en) * | 2008-09-10 | 2013-02-06 | シャープ株式会社 | refrigerator |
| CN201398677Y (en) * | 2009-03-31 | 2010-02-10 | 青岛澳柯玛股份有限公司 | Novel cellaret with humidity control and stabilization system |
| JP2011208834A (en) * | 2010-03-29 | 2011-10-20 | Panasonic Corp | Refrigerator |
| JP2014016120A (en) * | 2012-07-10 | 2014-01-30 | Toshiba Corp | Refrigerator |
| CN104501498B (en) * | 2014-12-18 | 2016-10-05 | 合肥华凌股份有限公司 | Refrigerator |
| CN207214585U (en) * | 2017-09-05 | 2018-04-10 | 九阳股份有限公司 | A kind of refrigerator |
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2019
- 2019-03-29 CN CN201910252227.8A patent/CN109974377B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976857A (en) * | 2015-07-07 | 2015-10-14 | 合肥晶弘电器有限公司 | Air cooling refrigerator moisturizing structure for single system refrigeration and refrigerator |
| CN205002511U (en) * | 2015-08-28 | 2016-01-27 | 沈阳海尔电冰箱有限公司 | Refrigerator |
| CN210292490U (en) * | 2019-03-29 | 2020-04-10 | 青岛海尔电冰箱有限公司 | Return air grid of refrigerator and refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109974377A (en) | 2019-07-05 |
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| CB02 | Change of applicant information |
Country or region after: China Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER REFRIGERATOR Co.,Ltd. Country or region before: China Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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