CN114034157B - But vertical transparent door hutch of air-cooled of cold and hot conversion - Google Patents
But vertical transparent door hutch of air-cooled of cold and hot conversion Download PDFInfo
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- CN114034157B CN114034157B CN202111418434.XA CN202111418434A CN114034157B CN 114034157 B CN114034157 B CN 114034157B CN 202111418434 A CN202111418434 A CN 202111418434A CN 114034157 B CN114034157 B CN 114034157B
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- heating
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- 238000006243 chemical reaction Methods 0.000 title claims description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000005057 refrigeration Methods 0.000 claims abstract description 21
- 238000009423 ventilation Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 11
- 230000005494 condensation Effects 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 238000010257 thawing Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 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
- F25D31/00—Other cooling or freezing apparatus
- F25D31/005—Combined cooling and heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
-
- 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
- F25D17/062—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 in household refrigerators
- F25D17/065—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 in household refrigerators with compartments at different temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
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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
- F25D21/06—Removing frost
- F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a cold-hot convertible air-cooled vertical transparent door storage box which comprises a box body, a refrigerating module and a heater, wherein the refrigerating module comprises an evaporator, an in-box fan, a condenser, a condensing fan and a compressor, the condenser, the condensing fan and the compressor are positioned in a cavity at the top of the box body, an air duct consisting of an air duct seat and an air duct cover plate is arranged in a cavity at the lower part of the box body, the evaporator, the heater and the in-box fan are arranged in the air duct from bottom to top, a cold air duct air door, a heating air duct air door and an overhead air duct air door are sequentially arranged in the air duct from bottom to top, the overhead air duct air door is in sliding connection with the air duct cover plate, a rack is arranged on one side of the heating air duct air door, the rack is meshed with a gear, the gear is fixedly connected with an output shaft of a motor, and the heating air duct air door is hinged with the cold air duct air door. The invention can realize that one machine can be used in four seasons, the temperature in the box body is uniform and not frozen in the refrigeration stage, the temperature difference in the box body is small in the heating stage, the heating speed is high, and the power consumption is low.
Description
Technical Field
The invention relates to the technical field of temperature control equipment, in particular to an air-cooled vertical transparent door storage box capable of realizing cold-heat conversion.
Background
Most of the existing vertical transparent door storage boxes in the current market are purely used for refrigerating or heating, and less cold-heat conversion can be realized; the existing vertical transparent door storage box for independent refrigeration or heating has the defect that the service time is influenced by seasons, and a user can only use the storage box in summer or winter when using the storage box, so that the service life is greatly influenced. The existing vertical transparent door storage boxes capable of realizing cold-heat conversion in the market mostly adopt the replacement of cold storage and heating, and cannot meet the requirements of the existing market on storing foods needing to be frozen in summer and storing foods needing to be heated in winter. Moreover, the existing cold-heat conversion cabinet usually adopts a scheme that a PTC heater is arranged at the top or each layer of heating plate is arranged, and the circulation of cold and hot air is easily blocked by products arranged inside during refrigeration or heating, so that the defects of low refrigeration or heating efficiency, large temperature difference in the cabinet, large power consumption and the like are caused. The existing air-cooled refrigeration equipment is mostly defrosted by adopting a heating pipe or a change-over valve, and the design provides a brand-new defrosting scheme for the air-cooled equipment by adopting a mode of adding a PTC heater in the matching operation of an air duct and an air door, and the heating and refrigerating functions of the whole machine are also converted by a temperature controller.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides an air-cooled vertical transparent door storage box capable of converting cold and heat.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a but vertical transparent door hutch of air-cooling of cold and hot conversion, includes box, refrigeration module and heater, refrigeration module includes evaporimeter, incasement fan, condenser, condensation fan and compressor are located box top cavity, be provided with the wind channel of compriseing wind channel seat and wind channel apron in the box lower part cavity, evaporimeter, heater and incasement fan are installed in the wind channel from bottom to top, set gradually cold wind channel air door, heating wind channel air door and top wind channel air door from bottom to top in the wind channel, top wind channel air door and wind channel apron sliding connection, heating wind channel air door one side is provided with the rack, the rack meshes with the gear mutually, gear and motor output shaft fixed connection, heating wind channel air door is articulated with the cold wind channel air door.
The air-cooled vertical transparent door storage box capable of converting cold and heat is characterized in that a top air inlet is formed in the top of the air duct cover plate, a bottom outlet is formed in the bottom of the air duct base, and a lower air outlet is formed in the air duct cover plate corresponding to the evaporator.
The air-cooled vertical transparent door storage box capable of converting cold and heat is characterized in that the fan in the box is a centrifugal fan, the heater is a PTC heater, and the evaporator is a finned evaporator.
The vertical air-cooled transparent door hutch of foretell cold and hot conversion, the heater top is close to wind channel apron one side and is provided with cold ventilation wind gap, cold ventilation wind gap department sets up the cold air duct air door, be provided with the hot vent on the wind channel seat that cold ventilation wind gap top corresponds, be provided with the hot air duct air door on the hot vent, the hot vent side corresponds be provided with directional shutter on the wind channel seat, top air inlet department is provided with a wind channel air door.
The air-cooled vertical transparent door storage box capable of realizing cold-heat conversion is characterized in that an in-box water tray is arranged below the evaporator, a drain pipe is arranged at the bottom of the in-box water tray, and the other end of the drain pipe is communicated with an out-box water tray.
In the above air-cooled vertical transparent door storage box capable of converting cold into hot, the lower air outlets are divided into an upper group and a lower group, and 2 air outlets are arranged at each lower group.
The above-mentioned vertical transparent door hutch of forced air cooling that can cold and hot conversion, top wind channel air door both ends are provided with the slider, wind channel apron top both ends are provided with the type of falling L spout, the slider can slide along the type of falling L spout.
The invention has the beneficial effects that: (1) The invention provides a novel air-cooling cold-hot conversion scheme, which can be used in four seasons;
(2) The air cooling/air heating scheme provided by the invention can reduce the temperature difference of each point in the box, so that the temperature in the box is uniform and not frozen in the cooling stage, and the temperature difference in the box is small in the heating stage, the heating speed is high, and the power consumption is low;
(3) The mode of the air duct and the air door matched with operation and the PTC heater provided by the invention provides a brand-new defrosting scheme of the air cooling equipment, and the air cooling equipment has a good defrosting effect and is convenient to operate;
(4) The invention realizes the conversion of heating and refrigerating functions of the whole machine, and has simple structure, low cost and strong practicability.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a front view of the chamber of the air duct inside the cabinet of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is a top profile of the tank of the present invention;
FIG. 5 is a side cross-sectional view of the present invention;
FIG. 6 is a diagram of the circulation path of the air path in the air duct during cooling according to the present invention;
FIG. 7 is a diagram of the circulation path of defrosting air in the air duct and the refrigeration evaporator during heating according to the present invention;
FIG. 8 is a schematic view of the cover plate of the air duct of the present invention;
FIG. 9 is a schematic view of an air duct base according to the present invention;
FIG. 10 is a schematic view of a damper of a heating air duct according to the present invention;
FIG. 11 is a schematic view of the damper of the cold air duct of the present invention;
FIG. 12 is a schematic view of the installation of the damper of the heating air duct and the damper of the cooling air duct in combination according to the present invention;
FIG. 13 is an enlarged view of portion A of FIG. 12 in accordance with the present invention;
FIG. 14 is a schematic view of the hinge connection between the damper of the heating air duct and the damper of the cooling air duct according to the present invention;
FIG. 15 is an enlarged view of portion B of FIG. 14 in accordance with the present invention;
FIG. 16 is a schematic view of the closed position of the top duct damper of the present invention;
FIG. 17 is an enlarged view of portion C of FIG. 16 in accordance with the present invention;
FIG. 18 is a schematic view of the top duct damper in an open position in accordance with the present invention;
FIG. 19 is an enlarged view of portion D of FIG. 18 according to the present invention.
In the figure, 1, a box body, 2, a compressor, 3, a condenser, 4, a condensing fan, 5, a top air duct air door, 6, an air duct seat, 7, a centrifugal fan, 8, an air duct cover plate, 9, a heating air duct air door, 10, a cold air duct air door, 11, a heater, 12, a finned evaporator, 13, an in-box water tray, 14, an out-box water tray, 15, a motor, 16, a gear, 17, a rack, 18, a lower air outlet, 19, a bottom outlet, 20, a directional shutter, 21, a sliding block and 22.L-shaped sliding chutes are arranged.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and the detailed description.
The embodiment discloses a vertical air-cooled transparent door storage box capable of cold-heat conversion, as shown in fig. 1-5, the vertical air-cooled transparent door storage box comprises a box body 1, a refrigeration module and a PTC heater 11, wherein the refrigeration module comprises a fin evaporator 12, a centrifugal fan 7, a condenser 3, a condensation fan 4 and a compressor 2, the condenser 3, the condensation fan 4 and the compressor 2 are located in a cavity at the top of the box body 1 (specifically distributed as shown in fig. 4), an air duct formed by an air duct seat 6 and an air duct cover plate 8 is arranged in a cavity at the lower part of the box body 1, a top air inlet is arranged at the top of the air duct, a bottom outlet 19 is arranged at the bottom of the air duct, and a lower air outlet 18 is arranged on the air duct cover plate 8 corresponding to the evaporator.
The finned evaporator 12, the heater 11 and the centrifugal fan 7 are arranged in the air duct from bottom to top, and a cold air duct air door 10, a heating air duct air door 9 and a top air duct air door 5 are sequentially arranged in the air duct from bottom to top.
Specifically, a cold ventilation opening is arranged on one side, close to the air duct cover plate 8, above the PTC heater 11, a cold air duct air door 10 is arranged at the cold ventilation opening, a hot ventilation opening is arranged on the air duct seat 6 corresponding to the upper side of the cold ventilation opening, a heating air duct air door 9 is arranged on the hot ventilation opening, and a top air duct air door 5 is arranged at the top air inlet.
Referring to fig. 10-13, a rack 17 is arranged on one side of the heating air duct damper 9, the rack 17 is meshed with a gear 16, the gear 16 is fixedly connected with an output shaft of a motor 15, and the heating air duct damper 9 is hinged with a cold air duct damper 10.
Referring to fig. 16-17, two ends of the top air duct damper 5 are provided with sliders 21, two ends of the top of the air duct cover plate 8 are provided with inverted L-shaped chutes 22, the sliders 21 can slide along the inverted L-shaped chutes 22, when the top air inlet is closed by the top air duct damper 5, the sliders are located at the bottommost ends of the inverted L-shaped chutes 22, and when the top air inlet needs to be opened, the top air inlet can be opened by pushing the top air duct damper 5 upwards to one lateral side of the inverted L-shaped chutes 22; when the top air inlet needs to be closed, the top air duct air door 5 is pushed, so that the sliding block 21 slides to the vertical position of the inverted-L-shaped sliding groove 22, and the top air inlet can be closed by the sliding block returning to the bottommost end of the inverted-L-shaped sliding groove 22.
An in-box water tray 13 is arranged below the finned evaporator 12, a drain pipe is arranged at the bottom of the in-box water tray 13, and the other end of the drain pipe is communicated with an out-box water tray 14.
During refrigeration, the air path circulation path is as shown in fig. 6, the compressor 2 works, air is cooled by the fin evaporator 3 after being compressed by the compressor 2, the centrifugal fan 7 works, an air inlet at the top of the air path cover plate 8 is shielded by the air duct air door 5, air is sucked into the rear side of the air path from the bottom outlet 19 and is cooled into cold air after passing through the fin evaporator 12, a part of the cold air is directly sucked into the centrifugal fan 7 through the air path in the air path, a part of the cold air passes through the PTC heater 11, the PTC heater 11 does not work at the moment, the hot air vent on the air path seat 6 is shielded by the heated air duct air door 9 at the moment, the cold air continuously rises under the suction force of the centrifugal fan 7 after passing through the PTC heater 11, the cold air continuously rises through the directional louver 20 on the air path seat 6 and is sucked into the centrifugal fan 7, the cold air enters the centrifugal fan 7 and is accelerated and deflected by the centrifugal fan 7, the air is blown out from the periphery of the centrifugal fan 7 into the air path cavity formed by the air path seat 6 and the air duct cover plate 8, the air outlet 18, the cold air enters the refrigeration box body 3, and is cooled and is discharged into the refrigeration box body 3, and enters the refrigeration box body 4, and is cooled air outlet, and is discharged into the refrigeration box body, and is discharged from the refrigeration box body, and is discharged into the refrigeration box body, and is arranged in the refrigeration box body, and is completed.
The air-cooled refrigeration system needs to defrost a finned evaporator 12 periodically, during defrosting, an air path circulation path is as shown in fig. 7, when the finned evaporator 12 needs defrosting, the finned evaporator 12 stops running, the compressor 2 does not refrigerate any more, a top air duct air door 5 is manually shifted upwards, so that an air inlet at the top of an air duct cover plate 8 is opened, a PTC heater 11 starts to run, a motor 15 runs to drive a gear 16 to rotate, the gear 16 is meshed with a rack 17, the rack 17 is located on one side of a heating air duct air door 9, so that the rack 17 moves to drive the heating air duct air door 9 to move, a hot vent on an air duct base 6 is opened, the heating air duct air door 9 is connected with a cold air duct air door 10 through a hinge structure, the heating air duct air door 9 moves under the driving of the motor 15, the cold air duct air door 10 is closed, a cold vent on the front side of the air duct base 6 is closed, the centrifugal fan 7 runs from the air inlet at the top of the air duct, air inlet at the air duct, air enters the PTC heater 11 through the hot vent on the air duct base 6 which is opened after air is induced and accelerated in a direction, air is induced by the centrifugal fan 7, air, the air passes through the hot air vent, the PTC heater 12, and the hot air evaporator 12 which needs to evaporate the defrosting. The water after frost melting drips into the in-box water collecting tray 13 below the finned evaporator 12, and finally is discharged into the out-box water collecting tray 14 below the back bottom of the box body through a water discharge pipe on the in-box water collecting tray 13.
After defrosting, the motor 15 runs to drive the heating air duct air door 9 to move through the rack, a hot ventilation opening on the air duct seat 6 is closed, the heating air duct air door 9 drives the cold air duct air door 10 to move when moving, a cold ventilation opening on the front side of the air duct seat 6 is opened, the top air duct air door 5 is closed at the same time, the whole air duct is restored to a refrigerating state, and the compressor 2 starts to restore to operate and starts to refrigerate in the next period.
When the objects in the box body need to be heated, the air path circulation path is as shown in fig. 7, the compressor 2, the condensing fan 4 and the condenser 3 stop operating, the PTC heater 11 starts to be powered on to operate, the top air inlet is opened by manually pushing the top air channel damper 5 to the upper side, the motor 15 operates to drive the heating air channel damper 9 to move through the rack-and-pinion structure, the hot vent on the air channel seat 6 is opened, the heating air channel damper 9 is connected with the cold air channel damper 10 through the hinge structure, the heating air channel damper 9 drives the cold air channel damper 10 to move while being driven by the motor 15, the cold vent on the front side of the air channel seat 6 is closed, the centrifugal fan 7 operates to suck air from the top air inlet, the air enters the PTC heater 11 through the opened hot vent on the air channel seat 6 after being steered and accelerated by the centrifugal fan 7, the air is heated after passing through the PTC heater 11, and hot air is blown out from the air outlet on the bottom of the air channel seat 6 after passing through the fin evaporator 12 which does not work, so as to heat the goods in the box body.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (5)
1. The utility model provides a but vertical transparent door hutch of air-cooling of cold and hot conversion which characterized in that: the refrigerator comprises a box body, a refrigeration module and a heater, wherein the refrigeration module comprises an evaporator, an in-box fan, a condenser, a condensation fan and a compressor, the condenser, the condensation fan and the compressor are positioned in a cavity at the top of the box body, an air channel consisting of an air channel seat and an air channel cover plate is arranged in a cavity at the lower part of the box body, the evaporator, the heater and the in-box fan are arranged in the air channel from bottom to top, a cold air channel air door, a heating air channel air door and an air channel top air door are sequentially arranged in the air channel from bottom to top, the air channel top air door is connected with the air channel cover plate in a sliding manner, a rack is arranged on one side of the heating air channel air door, the rack is meshed with a gear, the gear is fixedly connected with an output shaft of a motor, and the heating air channel air door is hinged with the cold air channel air door;
the top of the air duct cover plate is provided with a top air inlet, the bottom of the air duct base is provided with a bottom outlet, and the air duct cover plate corresponding to the evaporator is provided with a lower air outlet;
the air conditioner is characterized in that a cold ventilation opening is formed in one side, close to the air duct cover plate, of the upper portion of the heater, a cold air duct air door is arranged at the position of the cold ventilation opening, a hot ventilation opening is formed in the air duct seat corresponding to the upper portion of the cold ventilation opening, a hot air duct air door is arranged on the hot ventilation opening, a directional shutter is arranged on the air duct seat corresponding to the side face of the hot ventilation opening, and a top air duct air door is arranged at the position of the top air inlet.
2. A cold-hot convertible air-cooled vertical type transparent door storage case as claimed in claim 1, wherein said in-case blower is a centrifugal blower, said heater is a PTC heater, and said evaporator is a finned evaporator.
3. The vertical cold and heat convertible air-cooled transparent door storage case as claimed in claim 1, wherein an in-case water tray is provided under said evaporator, a drain pipe is provided at the bottom of said in-case water tray, and the other end of said drain pipe is communicated with an out-case water tray.
4. The vertical cold and heat convertible air-cooled transparent door storage case of claim 1, wherein said lower outlets are divided into two groups of 2, one for each group.
5. A cooling-heating convertible air-cooled vertical type transparent door storage case as claimed in claim 1, wherein sliding blocks are provided at both ends of said top air channel damper, and inverted L-shaped sliding grooves are provided at both ends of the top of said air channel cover plate, and said sliding blocks can slide along said inverted L-shaped sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418434.XA CN114034157B (en) | 2021-11-26 | 2021-11-26 | But vertical transparent door hutch of air-cooled of cold and hot conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418434.XA CN114034157B (en) | 2021-11-26 | 2021-11-26 | But vertical transparent door hutch of air-cooled of cold and hot conversion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114034157A CN114034157A (en) | 2022-02-11 |
| CN114034157B true CN114034157B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111418434.XA Active CN114034157B (en) | 2021-11-26 | 2021-11-26 | But vertical transparent door hutch of air-cooled of cold and hot conversion |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842315Y (en) * | 2005-08-31 | 2006-11-29 | 潍坊华瑞中央空调有限公司 | Ground heat exchanger earth source heat pump hot and cold water unit |
| JP2007178102A (en) * | 2005-12-28 | 2007-07-12 | Sharp Corp | Cooling storage |
| US20150338135A1 (en) * | 2012-11-22 | 2015-11-26 | Daikin Industries, Ltd. | Refrigeration device for container |
| CN104456794B (en) * | 2014-11-29 | 2017-01-25 | 四川长虹电器股份有限公司 | Refrigeration device |
| CN104807279B (en) * | 2015-04-29 | 2019-01-18 | 青岛海尔股份有限公司 | A kind of fridge-freezer and its defrosting control method |
| CN105241159B (en) * | 2015-05-11 | 2017-11-03 | 北京工业大学 | A kind of Niche type defroster for frost-free refrigerator |
| CN107328154A (en) * | 2017-06-01 | 2017-11-07 | 澳柯玛股份有限公司 | A kind of wind cooling refrigerator and humidification preservation method |
| CN207585211U (en) * | 2017-12-14 | 2018-07-06 | 广东联怡冷链设备有限公司 | A kind of novel changes in temperature conversion cabinet |
| CN108626952A (en) * | 2018-07-10 | 2018-10-09 | 长虹美菱股份有限公司 | A kind of wind cooling refrigerator and its ducting assembly and control method |
| KR20200065251A (en) * | 2018-11-30 | 2020-06-09 | 삼성전자주식회사 | Refrigerator and controlling method thereof |
| CN110081648B (en) * | 2019-05-30 | 2023-11-21 | 罗优才 | Refrigerating and heating equipment with adjustable temperature and humidity |
| CN111543824B (en) * | 2020-04-14 | 2021-06-08 | 澳柯玛股份有限公司 | Cold-hot conversion display cabinet |
-
2021
- 2021-11-26 CN CN202111418434.XA patent/CN114034157B/en active Active
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| CN114034157A (en) | 2022-02-11 |
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