CN204923448U - Air-conditioning hot water system - Google Patents
Air-conditioning hot water system Download PDFInfo
- Publication number
- CN204923448U CN204923448U CN201520713196.9U CN201520713196U CN204923448U CN 204923448 U CN204923448 U CN 204923448U CN 201520713196 U CN201520713196 U CN 201520713196U CN 204923448 U CN204923448 U CN 204923448U
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- hot water
- heat exchanger
- water
- heat
- air conditioning
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 185
- 238000004378 air conditioning Methods 0.000 title claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 67
- 239000003507 refrigerant Substances 0.000 claims abstract description 13
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 11
- 230000000740 bleeding effect Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model provides an air-conditioning hot water system, which comprises a compressor (1), an indoor heat exchanger (2), an electronic expansion valve (3), an outdoor heat exchanger (4) and a hot water heat exchange system, wherein the hot water heat exchange system is arranged at the outlet pipeline end of the compressor (1) and exchanges heat with a refrigerant in the pipeline; air conditioner hot-water heating system still includes cross valve (6), four links of cross valve (6) be connected to respectively through with refrigerant pipeline, indoor heat exchanger (2) after the hot water heat transfer system heat transfer outdoor heat exchanger (4) with the entry end of compressor (1), according to the utility model discloses an air conditioner hot-water heating system can realize independent refrigeration, heat alone, make hot water alone, refrigerate and make hot water, heat and make the multiple functions of five kinds of modes of hot water simultaneously through the mode switch, can effectively reduce cost to utilize the condensation heat to retrieve when refrigeration and making hot water and can reduce the energy consumption, can reduce thermal pollution.
Description
Technical field
The utility model belongs to field of air conditioning, is specifically related to air conditioning and water heating system, particularly relates to a kind of capability-variable heat pump air conditioning and water heating system.
Background technology
Air-conditioning and hot water are that current family life is necessary, but most of family uses the heat pump air conditioner of process air separately at present, and water heating uses gas heater or electric heater usually, not energy-conservation from power consumption aspect.Also have use air-source water heater at present, can high energy efficiency ratio be realized, but normally used be two overlap independently system, like this cost, units' installation, to take up room etc. in all cause great waste.
Cannot possess refrigeration because above-mentioned existing air conditioning and water heating system exists, heat and the defect of the several functions such as water heating, therefore the utility model research and design goes out a kind of air conditioning and water heating system.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome air conditioning and water heating system of the prior art cannot possess refrigeration, heat and the defect of the several functions such as water heating, thus provides a kind of air conditioning and water heating system.Particularly relate to a kind of capability-variable heat pump air conditioning and water heating system.
A kind of air conditioning and water heating system that the utility model provides, it comprises compressor, indoor heat exchanger, electric expansion valve and outdoor heat exchanger, it also comprises the hot water heat-exchange system that the cold-producing medium be arranged in described compressor outlet pipeline end and this pipeline carries out heat exchange, described air conditioning and water heating system also comprises cross valve, four links of described cross valve be connected respectively to through with the heat exchange of described hot water heat-exchange system after the arrival end of refrigerant line, indoor heat exchanger, described outdoor heat exchanger and described compressor.
Preferably, described compressor is variable conpacitance compressor.
Preferably, described hot water heat-exchange system comprises and is arranged on the hot water heat exchanger that described compressor outlet refrigerant pipe terminal and refrigerant line carry out heat exchange, and air-conditioning refrigerant pipeline is connected to described cross valve after hot water heat exchanger heat exchange.
Preferably, described hot water heat-exchange system also comprises hot water, hot water water pump and triple valve, and described hot water, described hot water water pump, described triple valve and described hot water heat exchanger form a hot water circulation loop.
Preferably, described hot water is connected with cooling water inlet and hot water outlet, described hot water upper end position is also provided with gas exhaust piping, and described gas exhaust piping is provided with air bleeding valve.
Preferably, also gas-liquid separator is provided with at described suction port of compressor end.
Preferably, the electric expansion valve be arranged between described indoor heat exchanger and described outdoor heat exchanger on pipeline is also comprised.
A kind of air conditioning and water heating system that the utility model provides has following beneficial effect:
1. according to air conditioning and water heating system of the present utility model, can be switched by pattern can realize separate refrigeration, heat separately, separately water heating, refrigerator and water heater, heat the several functions of double water heating five kinds of patterns.
2. according to air conditioning and water heating system of the present utility model, effectively can also reduce costs, take up room little, units' installation is convenient, and utilizes condensing units to reduce energy consumption when refrigerator and water heater, effectively can reduce thermal pollution.
3., according to air conditioning and water heating system of the present utility model, Reasonable load can be realized according to air conditioning requirements load and hot water demand's load and export, there is the advantages such as structure is simple, control is convenient, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the system schematic of air conditioning and water heating system of the present utility model;
Fig. 2 is the stream schematic diagram that air conditioning and water heating system of the present utility model carries out separate refrigeration;
Fig. 3 is the stream schematic diagram that air conditioning and water heating system of the present utility model heats separately;
Fig. 4 is the stream schematic diagram that air conditioning and water heating system of the present utility model carries out independent water heating;
Fig. 5 is the stream schematic diagram that air conditioning and water heating system of the present utility model carries out heating double water heating;
Fig. 6 is the stream schematic diagram that air conditioning and water heating system of the present utility model carries out refrigerator and water heater.
In figure, Reference numeral is expressed as:
1-compressor, 2-indoor heat exchanger, 3-electric expansion valve, 4-outdoor heat exchanger, 41-coil heat exchanger, 42-blower fan, 51-hot water heat exchanger, 52-hot water, 521-cooling water inlet, 522-hot water outlet, 523-air bleeding valve, 53-hot water water pump, 54-triple valve, 6-cross valve, 7-gas-liquid separator.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting protection domain of the present utility model.
As shown in Figure 1, a kind of air conditioning and water heating system that the utility model provides, it comprises compressor 1, indoor heat exchanger 2 and outdoor heat exchanger 4, it also comprises the hot water heat-exchange system that the cold-producing medium be arranged in described compressor 1 outlet terminal and this pipeline carries out heat exchange, described air conditioning and water heating system also comprises cross valve 6, four links of described cross valve 6 be connected respectively to through with the heat exchange of described hot water heat-exchange system after pipeline, indoor heat exchanger 2 one end, described outdoor heat exchanger 4 one end and described compressor 1 arrival end.
According to air conditioning and water heating system of the present utility model, the function of hot water preparing is realized by hot water heat-exchange system, by the effective switching regulating cross valve can carry out between pattern, thus synthetically realize separate refrigeration, heat separately, separately water heating, refrigerator and water heater, heat the several functions of double water heating five kinds of patterns; In addition according to air conditioning and water heating system of the present utility model, effectively can also reduce costs, take up room little, units' installation is convenient, and utilizes condensing units to reduce energy consumption when refrigerator and water heater, effectively can reduce thermal pollution.
Preferably, described compressor 1 is variable conpacitance compressor, and namely now described air conditioning and water heating system is capability-variable heat pump air conditioning and water heating system.Variable conpacitance compressor can realize Reasonable load according to air conditioning requirements load and hot water demand's load and export, and has the advantages such as structure is simple, control is convenient, safe and reliable.
Preferably, described outdoor heat exchanger 4 is coil heat exchanger 41, also can be combined with blower fan 42 and carry out auxiliary heat dissipation effect to it.
Preferably, described hot water heat-exchange system comprises and is arranged on described compressor 1 and exports the hot water heat exchanger 51 that refrigerant pipe terminal and refrigerant line carry out heat exchange, air-conditioning refrigerant pipeline is connected to described cross valve 6 after hot water heat exchanger (51) heat exchange, the object of carrying out heat exchange with cold-producing medium is realized by described hot water heat exchanger 51, the cold-producing medium of HTHP is carried out heat release after hot water heat exchanger, reaches object and the effect of hot water preparing.
Preferably, described hot water heat-exchange system also comprises hot water 52, hot water water pump 53 and triple valve 54, described hot water 52, described hot water water pump 53, described triple valve 54 and described hot water heat exchanger 51 form a hot water circulation loop, effect water source being provided and storing hot water is played by hot water, hot water water pump plays the effect of pumps water, triple valve can play the effect opening or closing this hot-water return, effectively can ensure that the water by heating effectively is heated after hot water heat exchanger by forming this closed circuit, return in hot water, ensure continuity and the validity of hot water preparing.
Preferably, described hot water 52 is connected with cooling water inlet 521 and hot water outlet 522, effectively can ensure that cold water enters this system by these means, heated this system of rear discharge, maintain source and the continuity of hot water preparing, described hot water 52 upper end position is also provided with gas exhaust piping in addition, described gas exhaust piping is provided with air bleeding valve 523, the object arranging gas exhaust piping and air bleeding valve is the gas in order to discharge in hot water, prevents hot water from flowing backwards, makes it flow according to normal water route.
Preferably, gas-liquid separator 7 is also provided with at described compressor 1 arrival end.Its effect is used to the cold-producing medium entering suction port of compressor end to carry out gas-liquid separation, ensures to enter the effective mass dryness fraction of cold-producing medium in compressor, ensures its safe and reliable operation.
Preferably, the other end of described indoor heat exchanger 2 is connected to one end of described electric expansion valve 3, and the other end of described electric expansion valve 3 is connected with the other end of described outdoor heat exchanger 4.Effectively can carrying out throttling expansion to cold-producing medium by electric expansion valve, providing condition for validity for forming complete kind of refrigeration cycle.
A kind of method that the utility model also provides air conditioning and/or hot water to prepare, it utilizes aforesaid air conditioning and water heating system to carry out air conditioning and/or hot water preparation.Air conditioning and/or hot water preparation is carried out according to air conditioning and water heating system of the present utility model, the switching of pattern can be carried out by cross valve, separate refrigeration can be realized, heat separately, separately water heating, refrigerator and water heater, heat the several functions of double water heating five kinds of patterns; Effectively can also reduce costs, and utilize when refrigerator and water heater condensing units to reduce energy consumption, reduce thermal pollution.
As shown in Figure 2, preferably, when needs freeze separately, namely now air conditioning and water heating system carries out separate refrigeration for indoor.Regulate the triple valve 54 in described hot water heat-exchange system for closing, the water in hot water circulation loop is made not flow through hot water heat exchanger 51, and hot water heat exchanger 51 port of export is connected with one end of described outdoor heat exchanger 4, compressor 1 arrival end is connected with one end of described indoor heat exchanger 2 to regulate described cross valve 6 to make, form normal refrigeration cycle, make to utilize described air conditioning and water heating system only to carry out separate refrigeration to indoor, reach the effect that indoor separate refrigeration is lowered the temperature.
As shown in Figure 3, preferably, when needs heat separately, now air conditioning and water heating system heats separately for indoor.Regulate the triple valve 54 in described hot water heat-exchange system for closing, the water in hot water circulation loop is made not flow through hot water heat exchanger 51, and hot water heat exchanger 51 port of export is connected with one end of described indoor heat exchanger 2, compressor 1 arrival end is connected with one end of described outdoor heat exchanger 4 to regulate described cross valve 6 to make, make to utilize described air conditioning and water heating system only to heat indoor, reach effect indoor being heated separately to intensification.
As shown in Figure 4, preferably, when needs carry out separately hot water preparing, now air conditioning and water heating system carries out independent water heating.Regulate the triple valve 54 in described hot water heat-exchange system and hot water water pump 53 to be to open or connect, make current in hot water circulation loop through hot water heat exchanger 51, and the hot water heat exchanger port of export 1 port of export is connected with one end of described indoor heat exchanger 2, compressor 1 arrival end is connected with one end of described outdoor heat exchanger 4 to regulate described cross valve 6 to make, now regulate indoor heat exchanger that indoor fan is not worked; Indoor heat exchanger only plays the effect in communication loop loop as connecting pipeline, and do not carry out heat exchange, outdoor heat exchanger, as evaporator heat exchange, makes to utilize described air conditioning and water heating system only to heat hot water heat-exchange system, reaches the effect to independent hot water preparing.
As shown in Figure 5, preferably, when needs carry out heating double hot water preparing simultaneously, namely now air conditioning and water heating system carries out hot water preparing simultaneously and heats indoor.Regulate the triple valve 54 in described hot water heat-exchange system and hot water water pump 53 to be to open or connect, make current in hot water circulation loop through hot water heat exchanger 51, and regulate described cross valve 6 that the hot water heat exchanger port of export 1 port of export is connected with one end of described indoor heat exchanger 2, compressor 1 arrival end is connected with one end of described outdoor heat exchanger 4, regulate the indoor fan work of indoor heat exchanger, indoor heat exchanger and hot water heat-exchange system is made all to carry out heat exchange as condenser, outdoor heat exchanger absorbs heat as evaporimeter, make to utilize described air conditioning and water heating system not only to heat can also heat indoor hot water heat-exchange system, reach the effect of hot water preparing that indoor heating held concurrently.
As shown in Figure 6, preferably, when needs carry out freezing double hot water preparing simultaneously, namely now air conditioning and water heating system carries out hot water preparing simultaneously and freezes to indoor.Regulate the triple valve 54 in described hot water heat-exchange system and hot water water pump 53 to be to open or connect, make current in hot water circulation loop through hot water heat exchanger 51, and the hot water heat exchanger port of export 1 port of export is connected with one end of described outdoor heat exchanger 4, compressor 1 arrival end is connected with one end of described indoor heat exchanger 2 to regulate described cross valve 6 to make, make to utilize described air conditioning and water heating system not only to heat can also carry out refrigeration cool-down to indoor to hot water heat-exchange system, reach the effect of hot water preparing that indoor refrigeration cool-down held concurrently.
Utilize Condensation Heat Recovery Technology to reduce energy consumption when refrigerator and water heater, hot water heat exchanger 51 is as first order condenser, outdoor heat exchanger 4 can control its outdoor fan rotating speed according to the actual requirements, play the effect of second level condenser, improve unit degree of supercooling, improve refrigerating capacity, reach the object that unit is energy-conservation.
The utility model patent mainly realizes separate refrigeration by a set of capability-variable heat pump air conditioning and water heating system, heats separately, separately water heating, refrigerator and water heater, heat double water heating five kinds of patterns, have structure simple, control the advantages such as convenient, safe and reliable, energy-conservation.The output according to parameter adjustment variable conpacitance compressors such as outdoor environment temperature, indoor environment temperature, air-conditioning set temperature, inflow temperature, leaving water temperatures can be needed according to the pattern difference arranged.
Those skilled in the art will readily understand, under the prerequisite of not conflicting, above-mentioned each advantageous manner freely can combine, superpose.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (7)
1. an air conditioning and water heating system, it comprises compressor (1), indoor heat exchanger (2) and outdoor heat exchanger (4), it is characterized in that: also comprise the hot water heat-exchange system that the cold-producing medium be arranged in described compressor (1) outlet terminal and this pipeline carries out heat exchange; Described air conditioning and water heating system also comprises cross valve (6), four links of described cross valve (6) be connected respectively to through with the heat exchange of described hot water heat-exchange system after the arrival end of refrigerant line, indoor heat exchanger (2), described outdoor heat exchanger (4) and described compressor (1).
2. a kind of air conditioning and water heating system according to claim 1, is characterized in that: described compressor (1) is variable conpacitance compressor.
3. according to a kind of air conditioning and water heating system one of claim 1-2 Suo Shu, it is characterized in that: described hot water heat-exchange system comprises and is arranged on described compressor (1) outlet refrigerant pipe terminal and refrigerant line carries out the hot water heat exchanger (51) of heat exchange, and air-conditioning refrigerant pipeline is connected to described cross valve (6) after hot water heat exchanger (51) heat exchange.
4. a kind of air conditioning and water heating system according to claim 3, it is characterized in that: described hot water heat-exchange system also comprises hot water (52), hot water water pump (53) and triple valve (54), described hot water (52), described hot water water pump (53), described triple valve (54) and described hot water heat exchanger (51) form a hot water circulation loop.
5. a kind of air conditioning and water heating system according to claim 4, it is characterized in that: described hot water (52) is connected with cooling water inlet (521) and hot water outlet (522), described hot water (52) upper end position is also provided with gas exhaust piping, and described gas exhaust piping is provided with air bleeding valve (523).
6. according to a kind of air conditioning and water heating system one of claim 1-2 Suo Shu, it is characterized in that: be also provided with gas-liquid separator (7) at described compressor (1) arrival end.
7. according to a kind of air conditioning and water heating system one of claim 1-2 Suo Shu, it is characterized in that: also comprise the electric expansion valve (3) be arranged between described indoor heat exchanger (2) and described outdoor heat exchanger (4) on pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713196.9U CN204923448U (en) | 2015-09-15 | 2015-09-15 | Air-conditioning hot water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520713196.9U CN204923448U (en) | 2015-09-15 | 2015-09-15 | Air-conditioning hot water system |
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| Publication Number | Publication Date |
|---|---|
| CN204923448U true CN204923448U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520713196.9U Active CN204923448U (en) | 2015-09-15 | 2015-09-15 | Air-conditioning hot water system |
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| CN (1) | CN204923448U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091406A (en) * | 2015-09-15 | 2015-11-25 | 珠海格力电器股份有限公司 | Air-conditioning hot water system and method for adjusting by using same |
| CN106052134A (en) * | 2016-07-21 | 2016-10-26 | 广东工业大学 | Water heater and pipeline cold water recovering system thereof |
| CN106369726A (en) * | 2016-11-29 | 2017-02-01 | 重庆美的通用制冷设备有限公司 | Air conditioning heat pump system and ait conditioner |
| CN107024026A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | The mode heating air-conditioner hot water heat pump of three function four |
| CN107024030A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Water- to-water heat exchanger heat storage water tank Integral type changes in temperature hot water three-way set |
| CN107024025A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Three with the mode source pump of three heat exchanger four |
| CN107024022A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Cooling/heating water heating machine group of three heat exchangers with circuit in series formula |
| CN107101417A (en) * | 2016-02-21 | 2017-08-29 | 陈则韶 | The preposition mode changes in temperature hot water three-way set of water- to-water heat exchanger four |
| CN107305045A (en) * | 2016-04-22 | 2017-10-31 | 青岛海尔新能源电器有限公司 | A kind of changes in temperature trilogy supply air-conditioning |
| CN108759155A (en) * | 2018-07-18 | 2018-11-06 | 苏州聚焓新能源科技有限公司 | A kind of air-source cold-warm type refrigeration simultaneously drying system |
| CN109764517A (en) * | 2019-03-05 | 2019-05-17 | 卓辉强 | A kind of air-conditioning heat recovery system |
| CN112833585A (en) * | 2021-03-09 | 2021-05-25 | 北京修德谷文化传播有限公司 | Triple heat pump system of air conditioner |
| CN115875762A (en) * | 2022-10-13 | 2023-03-31 | 珠海格力电器股份有限公司 | Air energy hot water air conditioner assembly and control system thereof |
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2015
- 2015-09-15 CN CN201520713196.9U patent/CN204923448U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091406A (en) * | 2015-09-15 | 2015-11-25 | 珠海格力电器股份有限公司 | Air-conditioning hot water system and method for adjusting by using same |
| CN107024022A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Cooling/heating water heating machine group of three heat exchangers with circuit in series formula |
| CN107024025A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Three with the mode source pump of three heat exchanger four |
| CN107024026A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | The mode heating air-conditioner hot water heat pump of three function four |
| CN107024030A (en) * | 2016-02-01 | 2017-08-08 | 陈则韶 | Water- to-water heat exchanger heat storage water tank Integral type changes in temperature hot water three-way set |
| CN107101417B (en) * | 2016-02-21 | 2019-08-06 | 陈则韶 | Preposition four mode changes in temperature hot water three-way set of water- to-water heat exchanger |
| CN107101417A (en) * | 2016-02-21 | 2017-08-29 | 陈则韶 | The preposition mode changes in temperature hot water three-way set of water- to-water heat exchanger four |
| CN107305045A (en) * | 2016-04-22 | 2017-10-31 | 青岛海尔新能源电器有限公司 | A kind of changes in temperature trilogy supply air-conditioning |
| CN106052134A (en) * | 2016-07-21 | 2016-10-26 | 广东工业大学 | Water heater and pipeline cold water recovering system thereof |
| CN106052134B (en) * | 2016-07-21 | 2022-01-11 | 广东工业大学 | Water heater and pipeline cold water recovery system thereof |
| CN106369726A (en) * | 2016-11-29 | 2017-02-01 | 重庆美的通用制冷设备有限公司 | Air conditioning heat pump system and ait conditioner |
| CN108759155A (en) * | 2018-07-18 | 2018-11-06 | 苏州聚焓新能源科技有限公司 | A kind of air-source cold-warm type refrigeration simultaneously drying system |
| CN109764517A (en) * | 2019-03-05 | 2019-05-17 | 卓辉强 | A kind of air-conditioning heat recovery system |
| CN112833585A (en) * | 2021-03-09 | 2021-05-25 | 北京修德谷文化传播有限公司 | Triple heat pump system of air conditioner |
| CN115875762A (en) * | 2022-10-13 | 2023-03-31 | 珠海格力电器股份有限公司 | Air energy hot water air conditioner assembly and control system thereof |
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| C14 | Grant of patent or utility model | ||
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