CN112254408A - Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet - Google Patents
Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet Download PDFInfo
- Publication number
- CN112254408A CN112254408A CN202011205500.0A CN202011205500A CN112254408A CN 112254408 A CN112254408 A CN 112254408A CN 202011205500 A CN202011205500 A CN 202011205500A CN 112254408 A CN112254408 A CN 112254408A
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- China
- Prior art keywords
- defrosting
- electromagnetic valve
- cabinet
- evaporator
- water receiving
- 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.)
- Pending
Links
- 238000010257 thawing Methods 0.000 title claims abstract description 123
- 238000005057 refrigeration Methods 0.000 title claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000001704 evaporation Methods 0.000 claims abstract description 18
- 230000008014 freezing Effects 0.000 claims abstract description 16
- 238000007710 freezing Methods 0.000 claims abstract description 16
- 230000008020 evaporation Effects 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- F25D17/067—Evaporator fan units
-
- 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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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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
- F25D23/00—General constructional features
-
- 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
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
- F25D23/028—Details
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)
- Defrosting Systems (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
Abstract
The invention relates to a low-temperature cabinet capable of continuously defrosting by refrigerating hot gas, which comprises a cabinet body, wherein: the cabinet body is provided with a freezing storage chamber, the cabinet body is provided with a complete refrigerating system, an air passage is arranged in the cabinet body, and the first evaporation fan, the second evaporation fan, the main evaporator, the defrosting evaporator and the defrosting pipe of the water receiving box are respectively positioned in the air passage. The invention has the beneficial effects that: during defrosting, the defrosting evaporator refrigerates to ensure that the temperature of the freezing storage chamber keeps refrigeration and decreases during defrosting, and storage articles are prevented from being influenced by high storage temperature during defrosting; and during defrosting, the liquid refrigerant condensed by the main evaporator is applied to the defrosting evaporator for refrigeration, so that the defrosting energy is fully utilized for refrigeration, the energy consumption is reduced, and the refrigeration efficiency is improved.
Description
Technical Field
The invention relates to the technical field of low-temperature cabinets, in particular to a low-temperature cabinet capable of continuously defrosting by using refrigeration hot gas.
Background
With the increasing demand and quality of materials in accordance with the improvement of living standards, various devices for storing articles have appeared, including a widely used product, a low-temperature cabinet. The low-temperature cabinet can store a plurality of articles under the optimum temperature and humidity, fully maintain the quality of the articles and prolong the storage time.
The existing low-temperature cabinet stops refrigerating during defrosting, the temperature of a storage chamber can rise, the storage chamber cannot be kept at a constant temperature, and the storage of articles can be greatly influenced; meanwhile, the temperature of the storage chamber is increased and then needs to be refrigerated for a period of time to be reduced to the temperature before defrosting, so that the energy consumption is increased. In addition, because the design is unreasonable, ice on the water receiving box at the bottom of the evaporator is difficult to melt, so that the water outlet of the water receiving box is blocked by icing, and the defrosted water cannot be smoothly discharged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the uninterrupted refrigeration hot-gas defrosting low-temperature cabinet, which solves the problem of temperature rise during the defrosting of the low-temperature cabinet and ensures the temperature stability; the problem of energy consumption increase caused by that the temperature is reduced to the temperature before defrosting after being increased after refrigeration during defrosting of the low-temperature cabinet is solved; the problem of because the design is unreasonable, cause the delivery port of water receiving box to be frozen and block up, make the water after the defrosting discharge smoothly is solved.
The invention describes an uninterrupted refrigeration hot gas defrosting low-temperature cabinet, which comprises a cabinet body, wherein: the cabinet body is provided with a freezing storage chamber, the cabinet body is provided with a complete refrigerating system, the refrigerating system comprises a compressor, a condenser, a one-way valve, a main capillary tube, a defrosting capillary tube, a first defrosting electromagnetic valve, a second defrosting electromagnetic valve, a water receiving box defrosting tube, a main evaporator, a defrosting evaporator, a first loop electromagnetic valve, a second loop electromagnetic valve, a first condensing fan, a second condensing fan, a first evaporating fan and a second evaporating fan, the output end of the compressor is respectively connected with the condenser and the defrosting electromagnetic valve, the defrosting electromagnetic valve is connected with the water receiving box defrosting tube, the condenser is connected with the one-way valve, the one-way valve is connected with the main capillary tube, the other end of the water receiving box defrosting tube is connected with the other end of the main capillary tube, the common end of the water receiving box defrosting tube and the main capillary tube is connected with the main evaporator, and the other end, the second defrosting solenoid valve is connected with the defrosting capillary tube, the other end of the defrosting capillary tube is connected with the defrosting evaporator, the other end of the defrosting evaporator is connected with the second loop solenoid valve, the other end of the first loop solenoid valve is connected with the other end of the second loop solenoid valve, the common end of the first loop solenoid valve and the second loop solenoid valve is connected with the inlet end of the compressor, an air passage is arranged in the cabinet body, and the first evaporation fan, the second evaporation fan, the main evaporator, the defrosting evaporator and the defrosting pipe of the water receiving box are respectively positioned in the air passage.
Specifically, the compressor is arranged on the right side or the left side of the bottom of the cabinet body.
Specifically, the condenser is arranged on the left side or the right side of the bottom of the cabinet body.
And particularly, the first condensation fan and the second condensation fan are arranged at the back of the condenser, a wind scooper is arranged below the cabinet body and is positioned between the condenser and the first condensation fan, and the first condensation fan and the second condensation fan are distributed side by side.
Particularly, the defrosting solenoid valve is arranged beside the condenser.
The defrosting pipe of the water receiving box is provided with the water receiving box, the defrosting pipe of the water receiving box is arranged in the water receiving box, and one end of the defrosting pipe of the water receiving box extends to the bottom of the air passage.
Particularly, the freezing storage chamber is provided with a cabinet door, and the cabinet door is used for sealing the opening of the freezing storage chamber.
Particularly, the bottom of the cabinet body is provided with supporting legs.
The invention has the beneficial effects that:
during defrosting, the defrosting evaporator refrigerates to ensure that the temperature of the freezing storage chamber keeps refrigeration and decreases during defrosting, and storage articles are prevented from being influenced by high storage temperature during defrosting;
and during defrosting, the liquid refrigerant condensed by the main evaporator is applied to the defrosting evaporator for refrigeration, so that the defrosting energy is fully utilized for refrigeration, the energy consumption is reduced, and the refrigeration efficiency is improved.
And thirdly, as the defrosting pipe of the water receiving box is arranged, the ice in the water receiving box can be completely dissolved by hot air, so that the water outlet is prevented from being blocked, and the defrosted water can be smoothly discharged.
Drawings
Fig. 1 is a schematic diagram of refrigeration control according to the present invention.
FIG. 2 is a schematic side sectional view of the present invention.
FIG. 3 is a schematic view of the backside structure of the present invention.
The following figures are diagrammatic illustrations:
the defrosting device comprises a compressor 1, a condenser 2, a one-way valve 3, a main capillary tube 4, a defrosting capillary tube 401, a first defrosting electromagnetic valve 5, a second defrosting electromagnetic valve 501, a water receiving box defrosting tube 6, a main evaporator 7, a defrosting evaporator 701, a first loop electromagnetic valve 8, a second loop electromagnetic valve 801, a first condensing fan 9, a second condensing fan 901, a first evaporating fan 10, a second evaporating fan 1001, a cabinet body 11, a freezing storage chamber 12, a cabinet door 13, supporting legs 14, a water receiving box 15, an air flue 16 and an air guide cover 17.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 3, the uninterrupted refrigeration hot gas defrosting low-temperature cabinet described in the present invention comprises a cabinet body 11, wherein: the cabinet body 11 is provided with a freezing storage chamber 12, the cabinet body 11 is provided with a complete refrigerating system, the refrigerating system comprises a compressor 1, a condenser 2, a one-way valve 3, a main capillary tube 4, a defrosting capillary tube 401, a first defrosting electromagnetic valve 5, a second defrosting electromagnetic valve 501, a water receiving and defrosting tube 6, a main evaporator 7, a defrosting evaporator 701, a first loop electromagnetic valve 8, a second loop electromagnetic valve 801, a first condensing fan 9, a second condensing fan 901, a first evaporating fan 10 and a second evaporating fan, the output end of the compressor 1 is respectively connected with the condenser 2 and the defrosting electromagnetic valve 5, the defrosting electromagnetic valve 5 is connected with the water receiving and defrosting tube 6, the condenser 2 is connected with the one-way valve 3, the one-way valve 3 is connected with the main capillary tube 4, the other end of the water receiving and defrosting tube 6 is connected with the other end of the main capillary tube 4, the common end of the water receiving and defrosting tube 6 and the main evaporator, the other end of the main evaporator 7) is connected with a first loop electromagnetic valve 8 and a second defrosting electromagnetic valve 501 respectively, the second defrosting electromagnetic valve 501 is connected with a defrosting capillary tube 401, the other end of the defrosting capillary tube 401 is connected with a defrosting evaporator 701, the other end of the defrosting evaporator 701 is connected with a second loop electromagnetic valve 801, the other end of the first loop electromagnetic valve 8 is connected with the other end of the second loop electromagnetic valve 801, the common end of the first loop electromagnetic valve 8 and the second loop electromagnetic valve 801 is connected with the inlet end of the compressor 1, an air passage 16 is arranged in the cabinet body 11, and the first evaporation fan 10, the second evaporation fan 1001, the main evaporator 7, the defrosting evaporator 701 and the water receiving and box defrosting pipe 6 are located in the air passage 16 respectively.
The compressor 1 of this structure install in cabinet body bottom right side or left side. The condenser 2 of this structure install in cabinet body bottom left side or right side. According to the structure, the first condensation fan 9 and the second condensation fan 901 are arranged at the back of the condenser 2, the air guide cover 17 is arranged below the cabinet body 11, the air guide cover 17 is positioned between the condenser 2 and the first condensation fan 9, and the first condensation fan 9 and the second condensation fan 901 are distributed side by side. The defrosting solenoid valve 5 of the structure is arranged beside the condenser 2. The defrosting pipe 6 of the water receiving box is provided with the water receiving box 15, the defrosting pipe 6 of the water receiving box is arranged in the water receiving box 15, and one end of the defrosting pipe 6 of the water receiving box extends to the bottom of the air passage 16. The freezing storage chamber 12 is provided with a cabinet door 13, and the cabinet door 13 is used for sealing the opening of the freezing storage chamber 12. The bottom of the cabinet body 11 is provided with supporting legs.
The advantage of this structure is:
during defrosting, the defrosting evaporator 701 refrigerates to ensure that the temperature of the freezing storage chamber keeps refrigeration and decreases during defrosting, and storage articles are prevented from being influenced by high storage temperature during defrosting;
and secondly, during defrosting, the liquid refrigerant condensed by the main evaporator 7 is applied to the defrosting evaporator 701 for refrigeration, so that the defrosting energy is fully utilized for refrigeration, the energy consumption is reduced, and the refrigeration efficiency is improved.
Thirdly, as the defrosting pipe 6 of the water receiving box is arranged, the ice in the water receiving box 15 can be completely dissolved by hot air, so that the water outlet is prevented from being blocked, and the defrosted water can be smoothly discharged.
The working principle of the structure is as follows:
during normal refrigeration, the first loop electromagnetic valve 8 of the main evaporator 7 is opened, wherein the second defrosting electromagnetic valve 501, the first defrosting electromagnetic valve 5 and the second loop electromagnetic valve 801 are closed, a refrigerant is output from the compressor 1 and is subjected to heat dissipation through the condenser 2, the refrigerant enters the main evaporator 7 for refrigeration after being throttled by the main capillary tube 4, and then returns to the compressor 1 through the first loop electromagnetic valve 8 of the main evaporator 7;
during defrosting, the first loop solenoid valve 8 of the main evaporator 7 is closed, wherein the second defrosting solenoid valve 501, the first defrosting solenoid valve 5 and the second loop solenoid valve 801 are opened, refrigerant is output from the compressor 1 and enters the water receiving and box defrosting pipe 6 through the first defrosting solenoid valve 5, hot gas enters the main evaporator 7 for defrosting, then enters the defrosting evaporator 701 for refrigerating after being throttled by the second defrosting solenoid valve 501 and the defrosting capillary tube 401, and then returns to the compressor 1 through the second loop solenoid valve 801 of the defrosting evaporator 701.
The first and second condensing fans 9 and 901 radiate heat from the condenser 2 to discharge the heat of the condenser 2 to the outside of the cabinet 11, the first evaporating fan 10 absorbs the heat or cool air of the main evaporator 7 and discharges the heat or cool air to the freezing storage chamber 12, and similarly, the second evaporating fan 1001 absorbs the heat or cool air of the defrosting evaporator 701 and discharges the heat or cool air to the freezing storage chamber 12.
The present invention is not limited to the above preferred embodiments, but rather, 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 (8)
1. Incessant refrigeration steam defrosting low temperature cabinet, including the cabinet body (11), its characterized in that: the refrigerator body (11) is provided with a freezing storage chamber (12), the cabinet body (11) is provided with a complete refrigerating system, the refrigerating system comprises a compressor (1), a condenser (2), a one-way valve (3), a main capillary tube (4), a defrosting capillary tube (401), a first defrosting electromagnetic valve (5), a second defrosting electromagnetic valve (501), a water receiving box defrosting tube (6), a main evaporator (7), a defrosting evaporator (701), a first loop electromagnetic valve (8), a second loop electromagnetic valve (801), a first condensing fan (9), a second condensing fan (901), a first evaporating fan (10) and a second evaporating fan (1001), the output end of the compressor (1) is respectively connected with the condenser (2) and the defrosting electromagnetic valve (5), the defrosting electromagnetic valve (5) is connected with the water receiving box defrosting tube (6), the condenser (2) is connected with the one-way valve (3), the one-way valve (3) is connected with the main capillary tube (4), the other end of the defrosting pipe (6) of the water receiver is connected with the other end of the main capillary (4), the common end of the defrosting pipe (6) of the water receiver and the main capillary (4) is connected with the main evaporator (7), the other end of the main evaporator (7) is respectively connected with a first loop electromagnetic valve (8) and a second defrosting electromagnetic valve (501), the second defrosting electromagnetic valve (501) is connected with the defrosting capillary (401), the other end of the defrosting capillary (401) is connected with the defrosting evaporator (701), the other end of the defrosting evaporator (701) is connected with a second loop electromagnetic valve (801), the other end of the first loop electromagnetic valve (8) is connected with the other end of the second loop electromagnetic valve (801), the common end of the first loop electromagnetic valve (8) and the second loop electromagnetic valve (801) is connected with the inlet end of the compressor (1), an air passage (16) is arranged in the cabinet body (11), the first evaporation fan (10), the second evaporation fan (1001), the main evaporator (7), the defrosting evaporator (701) and the water receiving box defrosting pipe (6) are respectively positioned in the air channel (16).
2. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: the compressor (1) is arranged on the right side or the left side of the bottom of the cabinet body.
3. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: the condenser (2) is arranged on the left side or the right side of the bottom of the cabinet body.
4. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: the first condensation fan (9) and the second condensation fan (901) are installed at the back of the condenser (2), a wind scooper (17) is arranged below the cabinet body (11), the wind scooper (17) is located between the condenser (2) and the first condensation fan (9), and the first condensation fan (9) and the second condensation fan (901) are distributed side by side.
5. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: and the defrosting electromagnetic valve (5) is arranged beside the condenser (2).
6. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: the defrosting pipe (6) of the water receiving box is provided with the water receiving box (15), the defrosting pipe (6) of the water receiving box is arranged in the water receiving box (15), and one end of the defrosting pipe (6) of the water receiving box extends to the bottom of the air passage (16).
7. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: the freezing storage chamber (12) is provided with a cabinet door (13), and the cabinet door (13) is used for sealing the opening of the freezing storage chamber (12).
8. The uninterrupted refrigeration hot gas defrost cryogenic cabinet of claim 1, wherein: the bottom of the cabinet body (11) is provided with supporting legs (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205500.0A CN112254408A (en) | 2020-11-02 | 2020-11-02 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011205500.0A CN112254408A (en) | 2020-11-02 | 2020-11-02 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112254408A true CN112254408A (en) | 2021-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011205500.0A Pending CN112254408A (en) | 2020-11-02 | 2020-11-02 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
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| CN (1) | CN112254408A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050033978A (en) * | 2003-10-07 | 2005-04-14 | 엘지전자 주식회사 | A defrost control method of refrigerator |
| CN103629890A (en) * | 2012-08-22 | 2014-03-12 | 海信（山东）冰箱有限公司 | Air cooling refrigerator defrosting control method |
| CN204787375U (en) * | 2015-05-18 | 2015-11-18 | 青岛海尔特种电冰柜有限公司 | Refrigerating system and refrigeration plant with change white function |
| CN107782030A (en) * | 2017-10-24 | 2018-03-09 | 澳柯玛股份有限公司 | A kind of load down cold insulation defrosting system by superheated vapour and refrigeration plant |
| CN214009658U (en) * | 2020-11-02 | 2021-08-20 | 中山市越海电器有限公司 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
-
2020
- 2020-11-02 CN CN202011205500.0A patent/CN112254408A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050033978A (en) * | 2003-10-07 | 2005-04-14 | 엘지전자 주식회사 | A defrost control method of refrigerator |
| CN103629890A (en) * | 2012-08-22 | 2014-03-12 | 海信（山东）冰箱有限公司 | Air cooling refrigerator defrosting control method |
| CN204787375U (en) * | 2015-05-18 | 2015-11-18 | 青岛海尔特种电冰柜有限公司 | Refrigerating system and refrigeration plant with change white function |
| CN107782030A (en) * | 2017-10-24 | 2018-03-09 | 澳柯玛股份有限公司 | A kind of load down cold insulation defrosting system by superheated vapour and refrigeration plant |
| CN214009658U (en) * | 2020-11-02 | 2021-08-20 | 中山市越海电器有限公司 | Uninterrupted refrigeration hot-gas defrosting low-temperature cabinet |
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