CN210292490U - Return air grid of refrigerator and refrigerator - Google Patents
Return air grid of refrigerator and refrigerator Download PDFInfo
- Publication number
- CN210292490U CN210292490U CN201920419852.2U CN201920419852U CN210292490U CN 210292490 U CN210292490 U CN 210292490U CN 201920419852 U CN201920419852 U CN 201920419852U CN 210292490 U CN210292490 U CN 210292490U
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- China
- Prior art keywords
- air
- return
- refrigerator
- grid
- return air
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- Withdrawn - After Issue
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000004891 communication Methods 0.000 claims description 12
- 238000001704 evaporation Methods 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental 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
Images
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model relates to a return air grid and refrigerator of refrigerator. The return air grid includes: a grid part configured to be disposed at a return air inlet of the refrigerator or at a front side of the return air inlet; and the heat conduction part is connected with the grid part, an air guide air channel is arranged in the heat conduction part, and the heat conduction part 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 the air entering the air return port through the grid part. The cold air from the air supply duct can be used for condensing the moisture in the circulating return air of the storage chamber of the return air grid so as to intercept and collect the cold energy in the storage chamber, at least reduce the moisture loss and loss in non-closed spaces such as a refrigerating chamber and the like, and ensure that the non-closed spaces have a certain moisturizing function. When the condensed moisture on the return air grille drops into the storage room, the moisture can be naturally evaporated, the humidity of the refrigerating chamber is increased, and the dry consumption of food is reduced.
Description
Technical Field
The utility model relates to a refrigeration plant field especially relates to a return air grid and have its refrigerator.
Background
The refrigerator may include an air-cooled refrigerator, where moisture loss from food in the fresh food compartment of the air-cooled refrigerator often occurs, and the longer the shelf life, the greater the moisture loss. The refrigerating chamber of the existing air-cooled refrigerator keeps food fresh by arranging a special closed space (such as a moisturizing box/a moisturizing drawer and the like), and the space keeps food fresh by good sealing performance and reduces moisture loss. However, the food in the non-enclosed space takes most of the moisture away due to the air flow, causing the food to be dried up much, such as a refrigerating chamber. That is, in a space where the moisture-retaining drawer is not provided, the moisture loss of food placed in a non-moisture-retaining area is large due to the defects of large food dry-up of the air-cooled refrigerator itself, and the longer the time is, the more the food is shriveled. The field generally adopts a humidifying device, such as a humidifier and the like, to humidify an unsealed space, and the humidifying device needs to add water artificially to humidify a refrigerator, so that the refrigerator is complicated in structure and inconvenient to operate artificially.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming at least one defect of current refrigerator, provides a return air grid and refrigerator of refrigerator, and it can reduce moisture loss, loss in the non-airtight space at least, makes to have certain function of moisturizing in the non-airtight space, and simple structure, does not need the manual operation.
Therefore, on the one hand, the utility model provides a return air grid of refrigerator, it includes:
a grid part configured to be disposed at a return air inlet of the refrigerator or at a front side of the return air inlet; and
the heat conduction portion, connect in grid portion, just be provided with the wind-guiding wind channel in the heat conduction portion, configure into with cold wind in the air supply wind channel of refrigerator guides to grid portion reduces the temperature of grid portion, so that the warp grid portion gets into moisture in the gas of return air inlet condenses.
Optionally, a heat exchange cavity communicated with the air guide duct is arranged in the grid part; or the like, or, alternatively,
at least one heat exchange air channel is arranged in the grid part, the inlet of each heat exchange air channel is communicated with the outlet of the air guide air channel, and the outlet of each heat exchange air channel is communicated with the outer side of the grid part.
Optionally, the grid portion is a flat plate, and a plurality of communication holes penetrating through two sides of the grid portion are formed in the grid portion.
Optionally, the or each heat exchange cavity is disposed inside the grid portion.
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 portion is a plate extending in a bending manner, and the grid portion is disposed at one end of the heat conducting portion.
Optionally, an air door is arranged at the air inlet of the air guide duct or in the air guide duct.
On the other hand, the utility model also provides a refrigerator, it includes:
the air return device comprises a box body, a storage chamber, an air return opening and an air supply duct, wherein the air return opening is formed in the box body and is arranged on the chamber wall surface of the storage chamber; and
the air return grille is characterized in that the grille part is arranged at the air return opening or on the front side of the air return opening, and the air inlet of the air guide air duct of the heat conduction part is communicated with the air supply air duct.
Optionally, a water storage structure is further arranged in the storage room and is arranged on the lower side of the return air grille.
Optionally, the water storage structure is a water storage groove and is arranged on the wall surface of the bottom compartment of the storage compartment.
Optionally, the refrigerator further comprises an evaporation pan and an overflow tube; the overflow pipe is communicated with the water storage structure and the evaporation pan.
Optionally, the storage compartment is a refrigerating chamber, and the air supply duct is communicated with the refrigerating chamber.
Optionally, an air supply outlet communicated with the air supply duct is arranged on the wall surface of the rear 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 on one side of the lower part of the wall surface of the rear side chamber;
one end of the heat conducting portion, which is far away from the grid portion, is connected to the air supply duct.
The utility model discloses an among return air grid and refrigerator, the moisture in the room circulation return air between the storing that usable air conditioning that comes from in the air supply wind channel will flow through return air grid condenses to holding back, collecting the indoor cold volume between the storing, can reducing at least like moisture loss, loss in the airtight space of non-such as walk-in, make and have certain function of moisturizing in the airtight space of non-. When the condensed moisture on the return air grille drops into the storage room, the moisture can be naturally evaporated, the humidity of the refrigerating chamber is increased, and the dry consumption of food is reduced. The water entering the cooling chamber can be reduced, the frosting amount on the evaporator is reduced, the energy consumption required by defrosting of the evaporator is further reduced, and the energy-saving effect is good. And the method is simple and convenient and has strong practicability. The utility model discloses also can collect the moisture content in the walk-in under the condition that does not influence current airtight space (for example moisturizing box/moisturizing drawer etc.) moisturizing performance, reduce food dry consumption.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic front view of a return air grille according to an embodiment of the present invention;
fig. 2 is a schematic top view of a return air grille in accordance with an embodiment of the present invention;
fig. 3 is a schematic side view of a return air grille in accordance with an embodiment of the present invention;
fig. 4 is another schematic side view of a return air grille in accordance with an 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 sectional view taken along the plane a-a 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 with reference to fig. 2-6, an embodiment of the present invention provides a return air grille 30 for a refrigerator. The return grill 30 may include a grill portion 31 and a heat transfer portion 32. The grill portion 31 is configured to be disposed at a return air inlet or a front side of the return air inlet of the refrigerator. The heat conducting portion 32 is connected to the grid portion 31, and an air guiding duct 321 is disposed in the heat conducting portion 32, and configured to guide the cold air in the refrigerator to the grid portion 31 to reduce the temperature of the grid portion 31, so as to condense the moisture in the air entering the air return opening through the grid portion 31. The inlet end of the air guide channel 321 can be inserted into the air supply channel 23 of the refrigerator, the cooling chamber, other compartments with lower temperature, and the like.
The utility model discloses in the return air grid 30, usable air conditioning that comes from in air supply duct 23 etc. cools down grid portion 31, and the moisture in the storing compartment 21 circulation return air of return air grid 30 that will flow through of grid portion 31 after the cooling condenses to cold volume in the storing compartment 21 is held back, is collected, can reduce at least as moisture loss, the loss in the non-airtight space such as walk-in, makes to have certain moisturizing function in the non-airtight space. When the condensed moisture on the return air grille 30 drops into the storage compartment 21, the moisture can be naturally evaporated, so that the humidity of the refrigerating compartment is increased, and the dry consumption of food is reduced. Further, the grating portion 31 may have a flat plate shape, and a plurality of communication holes 311, such as bar-shaped communication holes 311 or circular communication holes 311, are formed through both sides thereof. The strip-shaped communication hole 311 preferably extends in the horizontal direction, so that condensed water on the upper side and the lower side of the communication hole 311 basically collides without interference in the downward flowing process, and is not taken away by return air, namely, the water can be collected to the maximum degree, and the water loss is prevented.
In some embodiments of the present invention, a heat exchange cavity communicated with the air guiding duct 321 is disposed in the grid portion 31. In some preferred embodiments of the present invention, at least one heat exchange air channel 312 is provided in the grid portion 31, the inlet of each heat exchange air channel 312 is communicated with the outlet of the wind guide air channel 321, and the outlet of each heat exchange air channel 312 is communicated with the outside of the grid portion 31, so that the cool air enters the storage compartment with the above-mentioned air return opening, and certainly, the cool air can enter other places through the communicating pipe and the like. In order to improve the heat exchange efficiency, each heat exchange air duct 312 and each communication hole extend in the horizontal direction, and each heat exchange air duct 312 is located between two adjacent communication holes.
In some embodiments of the present invention, the heat conducting portion 32 is a plate extending in a bent manner or a plate extending in a straight line, and the grid portion is disposed at one end of the heat conducting portion. For example, the heat transfer portion 32 may be L-shaped to facilitate mounting of the return air grille 30. Preferably, an air door is arranged at an air inlet of the air guide duct 321 or in the air guide duct 321, so as to open and close the return air grille through the air door. The air door can be controlled manually or automatically. For example, a humidity sensor may be provided in the storage compartment having the above-mentioned air return opening to close the air return 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, and an embodiment of the present invention further provides a refrigerator, which may include a box body 20 and a return air grill 30 in any of the above embodiments. The box body 20 is provided with a storage chamber 21, an air return opening and an air supply duct 23, wherein the air return opening is arranged on the chamber wall surface of the storage chamber 21. The grid part 31 of the return air grid 30 is arranged at the return air inlet or 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 grid 30 is communicated with the air supply duct. Preferably, an end of the heat conduction portion 32 away from the grille 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 is disposed at the lower side of the return air grille 30. The storage structure may have a large opening to facilitate natural evaporation of moisture therein, and the like. If the water storage structure is a water storage groove 26, it is disposed on the wall surface of the bottom compartment of the storage compartment 21. Further, the refrigerator may further include an evaporation pan and an overflow pipe. The evaporating pan may be disposed on the lower side of the storage compartment 21, such as in the compressor compartment below the storage compartment 21. The overflow pipe communicates with the water storage structure and the evaporation pan to control the amount of water in the water storage tank and flow redundant water into the evaporation pan. Further, the water storage groove 26 may be designed to have a larger evaporation area, for example, the bottom surface area of the water storage groove 26 is 20% to 40% of the bottom side wall surface area of the storage compartment 21. Of course, other water storage structures may be used, such as a serpentine flow channel formed in the wall of the bottom compartment of the storage compartment 21. In other embodiments of the present invention, a humidity sensor may be disposed in the storage compartment 21 to close the return air grille 30 when the humidity reaches a certain value (the value corresponds to the amount of water in the water storage groove 26, and can be determined through experiments and other means).
In some specific embodiments of the present invention, the storage compartment 21 is a refrigerating chamber, and the air supply duct 23 is communicated with the refrigerating chamber. An air supply outlet 25 communicated with the air supply duct 23 is arranged on the rear side chamber wall surface of the storage chamber 21; the air supply duct 23 extends in the vertical direction and is arranged in the middle of the rear side of the storage compartment 21; the air return inlet is arranged at one side of the lower part of the rear side chamber wall surface. The refrigerator is also provided with a cooling chamber, and an evaporator is arranged in the cooling chamber. 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 grille 30 is installed at the refrigerating return air inlet position, wherein one end (right side) of the return air grille 30 is connected to the refrigerating supply air duct 23 and the other end (left side) is placed at the return air inlet position. The air in the air supply duct 23 passes through the return air grille 30, so that the temperature of the grille at the position of the return air inlet is reduced, and thus when the air flowing in the refrigerating chamber passes through the return air inlet, the moisture in the air can be condensed due to the structure of the return air grille 30 passing through the low temperature, and finally drops into the water storage tank below, namely the water storage groove 26.
Thus, 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 in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A return air grill for a refrigerator, comprising:
a grid part configured to be disposed at a return air inlet of the refrigerator or at a front side of the return air inlet; and
the heat conduction portion is connected with the grid portion, is provided with an air guide duct in the heat conduction portion, and is configured to guide cold air in the refrigerator to the grid portion to reduce the temperature of the grid portion, so that moisture in the air entering the air return opening through the grid portion is condensed.
2. Return air grill according to claim 1,
a heat exchange cavity communicated with the air guide duct is arranged in the grid part; or the like, or, alternatively,
at least one heat exchange air channel is arranged in the grid part, the inlet of each heat exchange air channel is communicated with the outlet of the air guide air channel, and the outlet of each heat exchange air channel is communicated with the outer side of the grid part.
3. Return air grill according to claim 2,
the grid part is flat, and a plurality of communicating holes penetrating through two sides of the grid part are formed in the grid part.
4. Return air grill according to claim 3,
each heat exchange air duct and each communication hole extend along the horizontal direction, and each heat exchange air duct is located between two adjacent communication holes.
5. Return air grill according to claim 1,
the heat conducting part is in a plate shape extending in a bending mode, and the grid part is arranged at one end of the heat conducting part.
6. Return air grill according to claim 1,
and an air door is arranged at the air inlet of the air guide duct or in the air guide duct.
7. A refrigerator, characterized by comprising:
the air return device comprises a box body, a storage chamber, an air return opening and an air supply duct, wherein the air return opening is formed in the box body and is arranged on the chamber wall surface of the storage chamber; and
the return air grille of any one of claims 1 to 6, wherein the grille portion is disposed at the return air inlet or in front of the return air inlet, and the air inlet of the air guide duct of the heat conduction portion is communicated with the supply air duct.
8. The refrigerator according to claim 7,
the storage room is also provided with a water storage structure arranged at the lower side of the return air grille.
9. The refrigerator according to claim 8,
the water storage structure is a water storage groove and is arranged on the wall surface of the bottom side chamber of the storage chamber.
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 pan;
the storage compartment is a refrigerating chamber, and the air supply duct is communicated with the refrigerating chamber;
an air supply outlet communicated with the air supply duct is formed in the wall surface of the rear side chamber of the storage chamber;
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 on one side of the lower portion of the rear side chamber wall surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419852.2U CN210292490U (en) | 2019-03-29 | 2019-03-29 | Return air grid of refrigerator and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920419852.2U CN210292490U (en) | 2019-03-29 | 2019-03-29 | Return air grid of refrigerator and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210292490U true CN210292490U (en) | 2020-04-10 |
Family
ID=70060406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920419852.2U Withdrawn - After Issue CN210292490U (en) | 2019-03-29 | 2019-03-29 | Return air grid of refrigerator and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210292490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974377A (en) * | 2019-03-29 | 2019-07-05 | 青岛海尔电冰箱有限公司 | The return air grid and refrigerator of refrigerator |
| CN114877599A (en) * | 2022-05-25 | 2022-08-09 | 珠海格力电器股份有限公司 | Evaporator pre-defrosting device, refrigeration equipment and method |
-
2019
- 2019-03-29 CN CN201920419852.2U patent/CN210292490U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974377A (en) * | 2019-03-29 | 2019-07-05 | 青岛海尔电冰箱有限公司 | The return air grid and refrigerator of refrigerator |
| CN109974377B (en) * | 2019-03-29 | 2024-06-21 | 青岛海尔电冰箱有限公司 | Return air grille of refrigerator and refrigerator |
| CN114877599A (en) * | 2022-05-25 | 2022-08-09 | 珠海格力电器股份有限公司 | Evaporator pre-defrosting device, refrigeration equipment and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200410 Effective date of abandoning: 20240621 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200410 Effective date of abandoning: 20240621 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |