CN220489493U - Refrigerator external circulation fresh air system - Google Patents
Refrigerator external circulation fresh air system Download PDFInfo
- Publication number
- CN220489493U CN220489493U CN202321559879.4U CN202321559879U CN220489493U CN 220489493 U CN220489493 U CN 220489493U CN 202321559879 U CN202321559879 U CN 202321559879U CN 220489493 U CN220489493 U CN 220489493U
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- Prior art keywords
- air
- module
- refrigerator
- external circulation
- fresh air
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- 238000000746 purification Methods 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000011941 photocatalyst Substances 0.000 claims description 16
- 239000003054 catalyst Substances 0.000 claims description 15
- 238000004332 deodorization Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 6
- 239000005977 Ethylene Substances 0.000 abstract description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 5
- 239000001569 carbon dioxide Substances 0.000 abstract description 5
- 238000009920 food preservation Methods 0.000 abstract description 5
- 239000004615 ingredient Substances 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 84
- 230000001877 deodorizing effect Effects 0.000 description 14
- 239000000126 substance Substances 0.000 description 7
- 235000013305 food Nutrition 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002781 deodorant agent Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 235000012055 fruits and vegetables Nutrition 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000344 non-irritating Toxicity 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Abstract
The utility model discloses an external circulation fresh air system of a refrigerator, which comprises an air inlet module and an air outlet module, wherein the air inlet module and the air outlet module are arranged at the upper part of a refrigerating chamber and are far away from each other, and the air inlet module is used for introducing fresh air and comprises a first air door, a first purification module and a fan which are matched; the air outlet module is used for discharging dirty air in the refrigerator and comprises a second air door and a second purifying module which are matched. According to the air-conditioning system, the air inlet module and the air outlet module are arranged to realize the exchange of air in the refrigerator and outside air when the ambient temperature allows, and good purification and deodorization effects are achieved by replacing the air in the refrigerator; through setting up first purification module, second purification module, first air door, second air door and the combined action of fan, not only purify the deodorization effect better, long service life is all effective to different types of peculiar smell gas, and the deodorization effect is stable, can also eliminate the purpose of unfavorable ingredient of food preservation such as carbon dioxide, ethylene.
Description
Technical Field
The utility model belongs to the technical field of refrigerator purification, and particularly relates to an external circulation fresh air system of a refrigerator.
Background
The existing purification and deodorization system of the refrigerator in the market mainly comprises four major types of masked deodorization, physical deodorization, chemical deodorization, biological deodorization and the like. The odor removing agent can not remove the odor in the refrigerator, and has the advantages of quick volatilization, short service time and limited effect. The physical deodorizing method is to remove peculiar smell by gas diffusion, adsorption and other methods, sepiolite, zeolite and active carbon are common deodorizing agents; the adsorption deodorant is characterized by porous and large area, but when the adsorbent is saturated by odor molecules, the deodorizing effect is lost, so that the service life of the deodorant is short and the application effect is not very good. The chemical deodorizing converts the odorous substances into odorless substances through carrier adsorption and chemical reaction, most commonly is a catalyst filter, has quick reaction and thorough deodorizing, is a common product in deodorizing a refrigerator, has different reaction effects on different types of odorous gases in the refrigerator, and cannot remove all the odorous gases. The biological deodorization type deodorization utilizes microorganism metabolism or metabolic products thereof to degrade odor factors, is safe, nontoxic and nonirritating, but has long deodorization effect, has a large influence on the deodorization effect by biological enzyme activity and has unstable deodorization effect.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an external circulation fresh air system of a refrigerator, which improves the purification and deodorization effects and solves the problem that the harmful ingredients to food preservation generated in the process of storing foods such as carbon dioxide, ethylene and the like cannot be eliminated.
The refrigerator external circulation fresh air system comprises an air inlet module and an air outlet module, wherein the air inlet module and the air outlet module are arranged at the upper part of a refrigerating chamber and are far away from each other, and the air inlet module is used for introducing fresh air and comprises a first air door, a first purification module and a fan which are matched; the air outlet module is used for discharging dirty air in the refrigerator and comprises a second air door and a second purifying module which are matched.
Further, the air inlet module comprises a first frame body with two ends communicated, the two ends of the first frame body are respectively covered with a first outer cover and a first cover plate, a containing space is formed among the first frame body, the first outer cover and the first cover plate, and a first air door, a first purification module and a fan are sequentially arranged in the containing space from the first outer cover to the first cover plate.
Further, the first purification module comprises a first deodorizer catalyst, a first ultraviolet lamp and a first photocatalyst, wherein the first ultraviolet lamp and the first photocatalyst are arranged between the first deodorizer catalyst and the first air door, and the first ultraviolet lamp and the first photocatalyst are arranged on opposite side walls in the first frame body.
Further, the first air door, the fan and the first ultraviolet lamp are all electrically connected with a circuit control board of the refrigerator.
Further, the air-out module comprises a second frame body with two ends communicated, two end openings of the second frame body are respectively covered with a second outer cover and a second cover plate, a containing space is formed between the second frame body, the second outer cover and the second cover plate, and a second air door and a second purifying module are sequentially arranged in the containing space between the second outer cover and the second cover plate.
Further, the second purification module comprises a second deodorizer catalyst, a second ultraviolet lamp and a second photocatalyst, wherein the second ultraviolet lamp and the second photocatalyst are arranged between the second deodorizer catalyst and a second air door, and the second ultraviolet lamp and the second photocatalyst are arranged on opposite side walls in the second frame body.
Further, the second air door and the second ultraviolet lamp are electrically connected with a circuit control board of the refrigerator.
Further, the first damper and the second damper are synchronously opened or synchronously closed.
Compared with the prior art, the utility model has the following advantages:
the air inlet module and the air outlet module are arranged to realize the exchange of air in the refrigerator and outside air when the ambient temperature allows, and good purification and deodorization effects are achieved by replacing the air in the refrigerator; and can discharge the unfavorable components of food preservation generated by the food itself in the process of storing the food such as carbon dioxide, ethylene and the like, thereby being beneficial to the preservation of fruits and vegetables;
through the cooperation of the first purification module, the second purification module, the first air door, the second air door and the fan, the deodorizing and deodorizing device has better deodorizing and deodorizing effects, long service life, and stable deodorizing effects on different types of peculiar smell gases; the aim of eliminating the components such as carbon dioxide, ethylene and the like which are unfavorable for food preservation can be achieved;
the air with lower temperature in the environment can be introduced when the environment temperature is lower (0-8 ℃), so that the aim of maintaining the proper temperature of the refrigerating chamber is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the air intake module according to the present utility model;
FIG. 3 is an exploded view of the air intake module structure of the present utility model;
fig. 4 is a schematic diagram of an internal structure of an air outlet module according to the present utility model.
In the figure: 1-an air inlet module, 11-a first frame body, 12-a first outer cover, 13-a first air door, 14-a first ultraviolet lamp, 15-a first deodorizer catalyst, 16-a first photocatalyst, 17-a fan and 18-a first cover plate, the air-out module comprises a first frame body, a first air door, a first ultraviolet lamp, a first deodorizer catalyst, a first photocatalyst, a first cover plate, a second cover plate and a second cover plate.
Detailed Description
The utility model further provides an external circulation fresh air system of a refrigerator with the aid of the accompanying drawings.
According to the utility model, the air in the refrigerator is exchanged with the external air when the ambient temperature allows, and the purposes of good purification and deodorization effects and elimination of components such as carbon dioxide and ethylene which are unfavorable for food preservation are achieved by replacing the air in the refrigerator.
As shown in fig. 1-3, an external circulation fresh air system is arranged in a refrigerating chamber of a refrigerator, and comprises an air inlet module 1 and an air outlet module 2, wherein the air inlet module 1 and the air outlet module 2 are arranged at the upper part of the refrigerating chamber and are far away from each other so as to facilitate circulation convection in the refrigerator; the air inlet module 1 is used for introducing fresh air, and the air outlet module 2 is used for discharging dirty air in the refrigerator. Specifically, the air intake module 1 includes a first frame 11, two ports of the first frame 11 are respectively covered with a first outer cover 12 and a first cover plate 18, a containing space is formed among the first frame 11, the first outer cover 12 and the first cover plate 18, a first air door 13, a first purification module and a fan 17 are sequentially arranged in the containing space from the first outer cover 12 to the first cover plate 18, the first purification module includes a first deodorizer catalyst 15, a first ultraviolet lamp 14 and a first photocatalyst 16 which are arranged between the first deodorizer catalyst 15 and the first air door 13, and the first ultraviolet lamp 14 and the first photocatalyst 16 are arranged on opposite side walls in the first frame 11. The first purification module is used for filtering and adsorbing harmful substances in the air and killing germs, and prevents the outside air from polluting foods in the refrigerator. The first air door 13, the fan 17 and the first ultraviolet lamp 14 are all electrically connected with a circuit control board of the refrigerator, and are intelligently adjusted through the circuit control board.
As shown in fig. 4, the air outlet module 2 includes a second frame 21, two ports of the second frame 21 are respectively covered with a second housing 22 and a second cover plate 27, a containing space is formed between the second frame 21, the second housing 22 and the second cover plate 27, a second air door 23 and a second purifying module are sequentially arranged in the containing space between the second housing 22 and the second cover plate 27, the second purifying module includes a second deodorizer catalyst 25, a second ultraviolet lamp 24 and a second photocatalyst 26 which are arranged between the second deodorizer catalyst 25 and the second air door 23, and the second ultraviolet lamp 24 and the second photocatalyst 26 are arranged on opposite side walls in the second frame 21. The second purification module is used for filtering and adsorbing harmful substances in the air and killing germs, and prevents the indoor air in the house from being polluted and having peculiar smell after the air in the refrigerator is discharged. The second air door 23 and the second ultraviolet lamp 24 are electrically connected with a circuit control board of the refrigerator, and are intelligently adjusted through the circuit control board.
It can be understood that the first purification module and the second purification module are auxiliary devices for improving the efficiency of the fresh air system, so that the air exchange inside and outside the refrigerator is realized, the peculiar smell removal, humidity adjustment, ethylene discharge and other substances unfavorable for fruit and vegetable storage in the refrigerator are realized.
When the refrigerator external circulation fresh air system is started to operate: the first air door 13 of the air inlet module 1 is opened, the fan 17 is in an operating state, the first ultraviolet lamp 14 is started, and the outside air enters the refrigerating chamber of the refrigerator through the air inlet module 1 for fresh air circulation; the second air door 23 of the air outlet module 2 is also in an open state, and the second ultraviolet lamp 24 is turned on, so that the polluted air in the refrigerator is discharged from the air outlet module 2.
When the refrigerator external circulation fresh air system stops running: the first air door 13 and the second air door 23 are both in a closed state so as to ensure the heat preservation performance of the refrigerator; the first ultraviolet lamp 14, the second ultraviolet lamp 24 and the blower 17 are all in the inactive state.
When the external circulation fresh air system of the refrigerator is installed in an air-cooled refrigerator, the external circulation fresh air system is started at the ambient temperature of 0-8 ℃, the refrigerating chamber can be maintained to be proper without compressor refrigeration or with less refrigeration capacity, the air in the refrigerating chamber is kept fresh, the external circulation fresh air system is suitable for food storage, and the external circulation fresh air system has the dual functions of purifying and deodorizing and saving energy sources; when the ambient temperature is higher, the external circulation fresh air system is started to have the functions of purifying and deodorizing.
When the refrigerator external circulation fresh air system is installed in a direct-cooling refrigerator, the refrigerator external circulation fresh air system not only has the functions of purifying and deodorizing, but also can adjust the temperature of a refrigerating chamber of the refrigerator by using ambient air, and can replace a heating wire to realize the temperature compensation effect, so that the indoor temperature of a refrigerator chamber is better maintained.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (8)
1. The refrigerator external circulation fresh air system is characterized by comprising an air inlet module (1) and an air outlet module (2), wherein the air inlet module (1) and the air outlet module (2) are arranged on the upper part of a refrigerating chamber and are far away from each other, and the air inlet module (1) is used for introducing fresh air and comprises a first air door (13), a first purification module and a fan (17) which are in cooperation; the air outlet module (2) is used for discharging dirty air in the refrigerator and comprises a second air door (23) and a second purifying module which are matched.
2. The refrigerator external circulation fresh air system according to claim 1, wherein the air inlet module (1) comprises a first frame body (11) with two communicated ends, two ends of the first frame body (11) are respectively covered with a first outer cover (12) and a first cover plate (18), a containing space is formed among the first frame body (11), the first outer cover (12) and the first cover plate (18), and a first air door (13), a first purification module and a fan (17) are sequentially arranged in the containing space from the first outer cover (12) to the first cover plate (18).
3. The external circulation fresh air system of a refrigerator according to claim 2, wherein the first purification module comprises a first deodorizer catalyst (15), a first ultraviolet lamp (14) and a first photocatalyst (16) which are arranged between the first deodorizer catalyst (15) and the first air door (13), and the first ultraviolet lamp (14) and the first photocatalyst (16) are arranged on opposite side walls in the first frame (11).
4. A refrigerator external circulation fresh air system according to claim 3, wherein the first air door (13), the fan (17) and the first ultraviolet lamp (14) are all electrically connected with a circuit control board of the refrigerator.
5. The external circulation fresh air system of any one of claims 1 to 4, wherein the air outlet module (2) comprises a second frame body (21) with two ends communicated, two ends of the second frame body (21) are respectively covered with a second outer cover (22) and a second cover plate (27), a containing space is formed between the second frame body (21), the second outer cover (22) and the second cover plate (27), and a second air door (23) and a second purification module are sequentially arranged in the containing space from the second outer cover (22) to the second cover plate (27).
6. The external circulation fresh air system of a refrigerator according to claim 5, wherein the second purification module comprises a second deodorizer catalyst (25), a second ultraviolet lamp (24) and a second photocatalyst (26) which are arranged between the second deodorizer catalyst (25) and a second air door (23), and the second ultraviolet lamp (24) and the second photocatalyst (26) are arranged on opposite side walls in the second frame (21).
7. The external circulation fresh air system of a refrigerator according to claim 6, wherein the second air door (23) and the second ultraviolet lamp (24) are electrically connected with a circuit control board of the refrigerator.
8. -a refrigerator external circulation fresh air system according to any one of claims 1 to 4, characterized in that the first damper (13) and the second damper (23) are synchronously opened or synchronously closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559879.4U CN220489493U (en) | 2023-06-19 | 2023-06-19 | Refrigerator external circulation fresh air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321559879.4U CN220489493U (en) | 2023-06-19 | 2023-06-19 | Refrigerator external circulation fresh air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220489493U true CN220489493U (en) | 2024-02-13 |
Family
ID=89826549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321559879.4U Active CN220489493U (en) | 2023-06-19 | 2023-06-19 | Refrigerator external circulation fresh air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220489493U (en) |
-
2023
- 2023-06-19 CN CN202321559879.4U patent/CN220489493U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |