CN105571035A - Refrigerating air conditioner - Google Patents

Refrigerating air conditioner Download PDF

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Publication number
CN105571035A
CN105571035A CN201610134108.9A CN201610134108A CN105571035A CN 105571035 A CN105571035 A CN 105571035A CN 201610134108 A CN201610134108 A CN 201610134108A CN 105571035 A CN105571035 A CN 105571035A
Authority
CN
China
Prior art keywords
heat exchanger
cold storage
air conditioner
refrigerating
refrigerated
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
Application number
CN201610134108.9A
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Chinese (zh)
Inventor
刘慧卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioning Electric Co Ltd
Original Assignee
Qingdao Haier Air Conditioning Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Air Conditioning Electric Co Ltd filed Critical Qingdao Haier Air Conditioning Electric Co Ltd
Priority to CN201610134108.9A priority Critical patent/CN105571035A/en
Publication of CN105571035A publication Critical patent/CN105571035A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0096Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00General constructional features
    • F25D23/12Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/18Details or features not otherwise provided for combined with domestic apparatus

Abstract

The invention discloses a refrigerating air conditioner. The refrigerating air conditioner comprises an air-conditioning device and a refrigerating device. The air-conditioning device comprises a compressor (1), a four-way valve (2), an indoor heat exchanger (3) and an outdoor heat exchanger (4). The refrigerating device comprises a refrigerating heat exchanger (5). The outlet end of the refrigerating heat exchanger (5) is connected to a pipeline between the four-way valve (2) and the suction end of the compressor (1). The inlet end of the refrigerating heat exchanger (5) is connected to a pipeline between the indoor heat exchanger (3) and the outdoor heat exchanger (4). A first throttling device (6) is arranged on an inlet pipeline of the refrigerating heat exchanger (5). According to the refrigerating air conditioner, the problem that the properties of a refrigerating air conditioner is developed insufficiently due to the fact that a refrigerating device used together with the air conditioner cannot conduct refrigerating during the heating process of the air conditioner in the prior art can be solved.

Description

Cold storage and air conditioner
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of cold storage and air conditioner.
Background technology
The modal realization rate of current cold storage mode is the refrigerating space be arranged in refrigerator, and the primary articles of refrigeration has food, medicine etc.Refrigerator mounting means is usually relatively fixed and is had strict installing space requirement, and installation requirement determines the space size of installation and the size of refrigerating space.Refrigerator is nearly all console mode, and shape is cuboid, brings certain influence to the utilization rate of room space and room integral layout.There is compressor inside refrigerator, when operation, have drone noise sound, refrigerator can be made to vibrate, produce noise.
There is air-conditioning not ruuning situation when using in air-conditioning, equipment utilization is insufficient, and not running for a long time also has certain damage to equipment.
Existing a kind of household cabinet air-conditioning system with cold storage function, comprise refrigerating box, compressor, condenser, the first evaporimeter and the second evaporimeter, first evaporimeter is serially connected between the exhaust outlet of compressor, air entry by refrigerant line with this, second evaporimeter is by refrigerant line and the first evaporimeter and connect, for the heat exchange of air in cold-producing medium and refrigerating box.
The refrigerator of this kind of cabinet air-conditioning system is merely able to the cold storage function realizing refrigerating box when air-conditioning system is in refrigerating state, air-conditioner be in heat state time, then cannot continue the cold storage function realizing refrigerating box, air-conditioning can not be made to mate better with the function of refrigerating box, air conditioner energy can be there is and use insufficient problem, the problem of the cold storage function of refrigerating box cannot be realized simultaneously when also easily appearing at air-conditioning heating, have impact on the applicability of refrigerating box.
Summary of the invention
The object of the invention is to propose a kind of cold storage and air conditioner, cannot refrigerate when air-conditioning is in and heats to solve the cold storage plant together used with air-conditioning in prior art, make the problem that the performance development of cold storage and air conditioner is insufficient.
According to an aspect of the present invention, provide a kind of cold storage and air conditioner, comprise aircondition and cold storage plant, aircondition comprises compressor, cross valve, indoor heat exchanger and outdoor heat exchanger, cold storage plant comprises refrigerated heat exchanger, the port of export of refrigerated heat exchanger is connected on the pipeline between cross valve and the suction end of compressor, and the entrance point of refrigerated heat exchanger is connected on the pipeline between indoor heat exchanger and outdoor heat exchanger, the inlet ductwork of refrigerated heat exchanger is provided with first throttle device.
Preferably, aircondition also comprises the gas-liquid separator of the suction end being arranged on compressor, and the port of export of refrigerated heat exchanger is connected to the entrance point of gas-liquid separator.
Preferably, outdoor heat exchanger is connected with indoor heat exchanger by super cooled sect.
Preferably, aircondition also comprises blower fan, and the corresponding super cooled sect of blower fan is arranged.
Preferably, the second throttling arrangement is provided with between super cooled sect and outdoor heat exchanger.
Preferably, cold storage plant also comprises refrigerating box, and refrigerated heat exchanger is arranged in refrigerating box.
Preferably, refrigerated heat exchanger comprises the heat exchange coil be fixedly installed on the sidewall of refrigerating box.
Preferably, first throttle device comprises electric expansion valve.
Preferably, the port of export of heat exchange coil is provided with pipe temperature sensor, and cold storage and air conditioner controls the throttle opening of first throttle device according to the temperature that pipe temperature sensor detects.
Preferably, the pipeline at cross valve and indoor set place is provided with stop valve.
Cold storage and air conditioner of the present invention, comprise aircondition and cold storage plant, aircondition comprises compressor, cross valve, indoor heat exchanger and outdoor heat exchanger, cold storage plant comprises refrigerated heat exchanger, the port of export of refrigerated heat exchanger is connected on the pipeline between cross valve and the suction end of compressor, the entrance point of refrigerated heat exchanger is connected on the pipeline between indoor heat exchanger and outdoor heat exchanger, the inlet ductwork of refrigerated heat exchanger is provided with first throttle device.Because the import of the refrigerated heat exchanger of cold storage plant is connected on the pressure duct of aircondition all the time, outlet is connected on the low pressure line of compressor air suction end of aircondition all the time, therefore no matter aircondition is in refrigerating state still heats state, all the time the cold-producing medium entering refrigerated heat exchanger can be kept to be the liquid refrigerant of high pressure low temperature, reducing pressure by regulating flow can be carried out through first throttle device before cold-producing medium enters cold storage plant, thus reduce the pressure of cold-producing medium, cold-producing medium is absorbed heat in refrigerated heat exchanger, realize the refrigeration refrigeration of cold storage plant, cold-producing medium after heat absorption evaporation enters in compressor from the air entry of compressor, reenter refrigerant compression cycle.By above-mentioned mode, make cold storage and air conditioner no matter be for refrigerating state or be in heating combined equipment, or indoor heat exchanger and outdoor heat exchanger all do not run, only only has the state of compressor operating, cold storage plant all can be made to be in refrigeration frozen state, improve the continuous cooling refrigeration ability of cold storage and air conditioner, make use of the service behaviour of aircondition more fully, can remain that aircondition is in running status simultaneously, reduce aircondition and do not run the possibility causing damage for a long time.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 be the embodiment of the present invention the structural representation of cold storage and air conditioner.
Description of reference numerals: 1, compressor; 2, cross valve; 3, indoor heat exchanger; 4, outdoor heat exchanger; 5, refrigerated heat exchanger; 6, first throttle device; 7, gas-liquid separator; 8, super cooled sect; 9, blower fan; 10, the second throttling arrangement; 11, refrigerating box; 12, pipe temperature sensor; 13, stop valve.
Detailed description of the invention
In the following detailed description, a large amount of specific detail is proposed, so that provide thorough understanding of the present invention.But, person of skill in the art will appreciate that, also can implement the present invention even without these specific detail.In other cases, do not describe well-known method, process, assembly and circuit in detail, in order to avoid affect the understanding of the present invention.
In conjunction with shown in Figure 1, according to embodiments of the invention, cold storage and air conditioner comprises aircondition and cold storage plant, aircondition comprises compressor 1, cross valve 2, indoor heat exchanger 3 and outdoor heat exchanger 4, cold storage plant comprises refrigerated heat exchanger 5, on pipeline between the suction end that the port of export of refrigerated heat exchanger 5 is connected to cross valve 2 and compressor 1, the entrance point of refrigerated heat exchanger 5 is connected on the pipeline between indoor heat exchanger 3 and outdoor heat exchanger 4, the inlet ductwork of refrigerated heat exchanger 5 is provided with first throttle device 6.
When aircondition is in refrigerating state, cold-producing medium flows out from compressor 1, after cross valve 2, enter outdoor heat exchanger 4 carry out condensation, the condensed cold-producing medium of heat exchanger 4 is divided into two-way outdoor, one tunnel is back to the suction end of compressor 1 after indoor heat exchanger 3 and cross valve 2, and a road is back to the suction end of compressor 1 after the refrigerated heat exchanger 5 of cold storage plant.
Aircondition be in heat state time, cold-producing medium flows out from compressor 1, after cross valve 2, enter indoor heat exchanger 3 carry out condensation, the condensed cold-producing medium of heat exchanger 3 is divided into two-way indoor, one tunnel is back to the suction end of compressor 1 after outdoor heat exchanger 4 and cross valve 2, and a road is back to the suction end of compressor 1 after the refrigerated heat exchanger 5 of cold storage plant.
Because the import of the refrigerated heat exchanger 5 of cold storage plant is connected on the pressure duct of aircondition all the time, outlet is connected on the low pressure line of compressor 1 suction end of aircondition all the time, therefore no matter aircondition is in refrigerating state still heats state, all the time the cold-producing medium entering refrigerated heat exchanger 5 can be kept to be the liquid refrigerant of high pressure low temperature, reducing pressure by regulating flow can be carried out through first throttle device 6 before cold-producing medium enters cold storage plant, thus reduce the pressure of cold-producing medium, cold-producing medium is absorbed heat in refrigerated heat exchanger 5, realize the refrigeration refrigeration of cold storage plant, cold-producing medium after heat absorption evaporation enters in compressor 1 from the air entry of compressor 1, reenter refrigerant compression cycle.By above-mentioned mode, make cold storage and air conditioner no matter be for refrigerating state or be in heating combined equipment, or indoor heat exchanger 3 and outdoor heat exchanger 4 all do not run, only only has the state that compressor 1 runs, cold storage plant all can be made to be in refrigeration frozen state, improve the continuous cooling refrigeration ability of cold storage and air conditioner, make use of the service behaviour of aircondition more fully, can remain that aircondition is in running status simultaneously, reduce aircondition and do not run the possibility causing damage for a long time.
Aircondition also comprises the gas-liquid separator 7 of the suction end being arranged on compressor 1, and the port of export of refrigerated heat exchanger 5 is connected to the entrance point of gas-liquid separator 7.Gas-liquid separator 7 can carry out gas-liquid separation to cold-producing medium, avoids liquid refrigerant to enter in compressor 1, causes damage to compressor 1.
Preferably, outdoor heat exchanger 4 is connected with indoor heat exchanger 3 by super cooled sect 8.Super cooled sect 8 can carry out cold to the cold-producing medium in outdoor heat exchanger 4, reduced the refrigerant temperature in outdoor heat exchanger 4, improved the heat exchanger effectiveness of outdoor heat exchanger 4, thus improved the refrigeration performance of aircondition.Outdoor heat exchanger 4 can be multiple, connects after the parallel connection of multiple outdoor heat exchanger 4 with super cooled sect 8, and it is excessively cold that super cooled sect 8 and at least one outdoor heat exchanger 4 carry out heat exchange.
Aircondition also comprises blower fan 9, and the corresponding super cooled sect 8 of blower fan 9 is arranged.Blower fan 9 can accelerate the heat loss of super cooled sect 8, improves super cooled sect 8 and the heat exchanger effectiveness of outdoor heat exchanger 4, improves the refrigeration performance of aircondition.
The second throttling arrangement 10 is provided with between super cooled sect 8 and outdoor heat exchanger 4.After when cold-producing medium, heat exchanger 4 flows out outdoor, after the second throttling arrangement 10 reducing pressure by regulating flow, the cold-producing medium entering super cooled sect 8 needs heat absorption vaporization because pressure reduces, therefore can improve the exchange heat between outdoor heat exchanger 4 further, improve the cold effect of the mistake of the cold-producing medium in outdoor heat exchanger 4 further.
Cold storage plant also comprises refrigerating box 11, and refrigerated heat exchanger 5 is arranged in refrigerating box 11.Refrigerating box 11 can be used for stores, realizes the cold storage effect of cold storage plant.Cold storage plant can also comprise refrigerator, and refrigerator and refrigerating box 11 are arranged in parallel, the pipeline connecting mode of refrigerator and the pipeline connecting mode of refrigerating box 11 similar.
Refrigerated heat exchanger 5 comprises the heat exchange coil on the sidewall being fixedly installed on refrigerating box 11.Heat exchange coil is arranged along the surface coil of refrigerating box, can increase the heat exchange area of refrigerated heat exchanger 5, improves the heat exchanger effectiveness in refrigerating box 11, improves the refrigeration performance of cold storage plant.
First throttle device 6 comprises electric expansion valve.The first throttle device 6 at this place also can be the structure that capillary etc. has restriction effect, preferably, this first throttle device 6 is the adjustable throttling arrangement of aperture, throttle opening can be regulated easily, the flow of cold-producing medium and the heat exchange property of cold storage and air conditioner are matched, improves the Energy Efficiency Ratio of cold storage and air conditioner.
The port of export of heat exchange coil is provided with pipe temperature sensor 12, and cold storage and air conditioner controls the throttle opening of first throttle device 6 according to the temperature that pipe temperature sensor 12 detects.By regulating the throttle opening of first throttle device 6, the adjustment of the heat exchange efficiency for refrigerated heat exchanger 5 can be realized easily, the refrigeration performance of cold storage plant can be matched with the demand of user better, improve the satisfaction that user uses cold storage and air conditioner.
At the middle part of heat exchange coil, also pipe temperature sensor 12 can be set, now because cold storage and air conditioner can obtain the Guan Wen that the middle part of heat exchange coil and exit position go out simultaneously, the heat-exchange temperature of the refrigerated heat exchanger 5 obtained is more accurate, can regulate the temperature of refrigerated heat exchanger 5 and control more accurately, the accuracy that the refrigerated storage temperature improving cold storage plant further regulates.
Cross valve 2 and the pipeline at indoor heat exchanger 3 place are provided with stop valve 13.Whether this stop valve 13 can control indoor heat exchanger and run, thus determines whether to freeze to indoor or heat.When without the need to freezing to indoor or heating, stop valve 13 can be closed, and the outer mechanism cold of holding chamber runs, now indoor heat exchanger 3 is not communicated with cross valve 2, after cold-producing medium flows out from compressor 1, carry out heat exchange through cross valve 2 and outdoor heat exchanger 4, then enter in refrigerated heat exchanger 5 and carry out heat exchange refrigeration, realize the cold storage effect of cold storage plant.By this kind of mode, can when without the need to regulating indoor temperature, still aircondition is kept to be in running status, and make cold storage plant can be in refrigeration frozen state all the time, the long-term off-duty of air-conditioning is avoided to cause air-conditioning to damage, and make cold storage and air conditioner when aircondition does not carry out heating or freezing, still ensure the stable operation of cold storage plant.
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (10)

1. a cold storage and air conditioner, it is characterized in that, comprise aircondition and cold storage plant, described aircondition comprises compressor (1), cross valve (2), indoor heat exchanger (3) and outdoor heat exchanger (4), described cold storage plant comprises refrigerated heat exchanger (5), on pipeline between the suction end that the port of export of described refrigerated heat exchanger (5) is connected to described cross valve (2) and described compressor (1), the entrance point of described refrigerated heat exchanger (5) is connected on the pipeline between described indoor heat exchanger (3) and described outdoor heat exchanger (4), the inlet ductwork of described refrigerated heat exchanger (5) is provided with first throttle device (6).
2. cold storage and air conditioner according to claim 1, it is characterized in that, described aircondition also comprises the gas-liquid separator (7) of the suction end being arranged on described compressor (1), and the port of export of described refrigerated heat exchanger (5) is connected to the entrance point of described gas-liquid separator (7).
3. cold storage and air conditioner according to claim 1, is characterized in that, described outdoor heat exchanger (4) is connected with described indoor heat exchanger (3) by super cooled sect (8).
4. cold storage and air conditioner according to claim 3, is characterized in that, described aircondition also comprises blower fan (9), and the corresponding described super cooled sect (8) of described blower fan (9) is arranged.
5. cold storage and air conditioner according to claim 3, is characterized in that, is provided with the second throttling arrangement (10) between described super cooled sect (8) and described outdoor heat exchanger (4).
6. cold storage and air conditioner according to claim 1, is characterized in that, described cold storage plant also comprises refrigerating box (11), and described refrigerated heat exchanger (5) is arranged in described refrigerating box (11).
7. cold storage and air conditioner according to claim 6, is characterized in that, described refrigerated heat exchanger (5) comprises the heat exchange coil on the sidewall being fixedly installed on described refrigerating box (11).
8. cold storage and air conditioner according to claim 7, is characterized in that, described first throttle device (6) comprises electric expansion valve.
9. cold storage and air conditioner according to claim 8, it is characterized in that, the port of export of described heat exchange coil is provided with pipe temperature sensor (12), and described cold storage and air conditioner controls the throttle opening of described first throttle device (6) according to the temperature that described pipe temperature sensor (12) detects.
10. cold storage and air conditioner according to claim 1, is characterized in that, the pipeline at described cross valve and described indoor set place is provided with stop valve (13).
CN201610134108.9A 2016-03-10 2016-03-10 Refrigerating air conditioner Pending CN105571035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440626A (en) * 2016-10-27 2017-02-22 青岛海尔特种电冰柜有限公司 Multiple-temperature zone dual-refrigerating cycle system and multiple-temperature zone refrigeration device
CN106482371A (en) * 2016-10-27 2017-03-08 青岛海尔特种电冰柜有限公司 The double refrigeration system of multi-temperature zone and multi-temperature zone refrigeration plant
CN106524651A (en) * 2016-10-27 2017-03-22 青岛海尔特种电冰柜有限公司 Split type double-flow-path refrigerating equipment
CN106556203A (en) * 2016-10-27 2017-04-05 青岛海尔特种电冰柜有限公司 Split type pair of refrigerating plant
CN106556202A (en) * 2016-10-27 2017-04-05 青岛海尔特种电冰柜有限公司 The double refrigerating plants of multi-temperature zone
CN106556201A (en) * 2016-10-27 2017-04-05 青岛海尔特种电冰柜有限公司 Double loop separating refrigerating equipment
CN106568219A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multiple-temperature-zone double-flow-way refrigeration equipment
CN106568275A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multi-temperature-area double-flowing-way refrigeration device
CN106595106A (en) * 2016-10-27 2017-04-26 青岛海尔特种电冰柜有限公司 Double-loop multi-temperature-zone refrigerating device

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JPH08110133A (en) * 1994-10-05 1996-04-30 Shinryo Corp Ice-making apparatus
JP2007085712A (en) * 2005-09-16 2007-04-05 Hideo Sato Air conditioner
CN101907379A (en) * 2009-06-08 2010-12-08 上海本家空调系统有限公司 Supermarket energy source system
CN104154617A (en) * 2014-08-19 2014-11-19 贺明 Domestic air conditioner without outdoor unit and application of domestic air conditioner on refrigerator
CN204593944U (en) * 2015-04-03 2015-08-26 广东美的暖通设备有限公司 A kind of air conditioner outdoor unit system with supercooling apparatus
CN105091171A (en) * 2015-09-14 2015-11-25 深圳市福田区青少年科技教育协会 Air conditioner and refrigerator integrated device
CN204880468U (en) * 2015-06-23 2015-12-16 江苏春兰制冷设备股份有限公司 Room frequency conversion refrigerator air conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08110133A (en) * 1994-10-05 1996-04-30 Shinryo Corp Ice-making apparatus
JP2007085712A (en) * 2005-09-16 2007-04-05 Hideo Sato Air conditioner
CN101907379A (en) * 2009-06-08 2010-12-08 上海本家空调系统有限公司 Supermarket energy source system
CN104154617A (en) * 2014-08-19 2014-11-19 贺明 Domestic air conditioner without outdoor unit and application of domestic air conditioner on refrigerator
CN204593944U (en) * 2015-04-03 2015-08-26 广东美的暖通设备有限公司 A kind of air conditioner outdoor unit system with supercooling apparatus
CN204880468U (en) * 2015-06-23 2015-12-16 江苏春兰制冷设备股份有限公司 Room frequency conversion refrigerator air conditioner
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440626A (en) * 2016-10-27 2017-02-22 青岛海尔特种电冰柜有限公司 Multiple-temperature zone dual-refrigerating cycle system and multiple-temperature zone refrigeration device
CN106482371A (en) * 2016-10-27 2017-03-08 青岛海尔特种电冰柜有限公司 The double refrigeration system of multi-temperature zone and multi-temperature zone refrigeration plant
CN106524651A (en) * 2016-10-27 2017-03-22 青岛海尔特种电冰柜有限公司 Split type double-flow-path refrigerating equipment
CN106556203A (en) * 2016-10-27 2017-04-05 青岛海尔特种电冰柜有限公司 Split type pair of refrigerating plant
CN106556202A (en) * 2016-10-27 2017-04-05 青岛海尔特种电冰柜有限公司 The double refrigerating plants of multi-temperature zone
CN106556201A (en) * 2016-10-27 2017-04-05 青岛海尔特种电冰柜有限公司 Double loop separating refrigerating equipment
CN106568219A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multiple-temperature-zone double-flow-way refrigeration equipment
CN106568275A (en) * 2016-10-27 2017-04-19 青岛海尔特种电冰柜有限公司 Multi-temperature-area double-flowing-way refrigeration device
CN106595106A (en) * 2016-10-27 2017-04-26 青岛海尔特种电冰柜有限公司 Double-loop multi-temperature-zone refrigerating device

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Application publication date: 20160511

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