CN102155820A - Multipurpose air-conditioner hot water system - Google Patents
Multipurpose air-conditioner hot water system Download PDFInfo
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- CN102155820A CN102155820A CN2011100791447A CN201110079144A CN102155820A CN 102155820 A CN102155820 A CN 102155820A CN 2011100791447 A CN2011100791447 A CN 2011100791447A CN 201110079144 A CN201110079144 A CN 201110079144A CN 102155820 A CN102155820 A CN 102155820A
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- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- 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
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- 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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a multipurpose air-conditioner hot water system, comprising an outdoor machine set, an indoor machine set, a water-fluorine exchanger set and a water tank. The multipurpose air-conditioner hot water system is characterized in that the outdoor machine set is provided with a compressor, a four-way valve, an outdoor heat exchanger and an outdoor electronic expansion valve; the indoor machine set is provided with an indoor heat exchanger and an indoor electronic expansion valve; the water-fluorine exchanger set is provided with a water-fluorine heat exchanger, a water circulator and a water pump; the water tank is internally provided with a coil pipe, and the coil pipe is connected with the water circulator and the water pump through a pipeline; the air outlet of the compressor is sequentially connected with the end d and the end c of the four-way valve, the outdoor heat exchanger, the outdoor electronic expansion valve, the indoor electronic expansion valve, the indoor heat exchanger, the end e and end s of the four-way valve and the air inlet of the compressor through the pipeline; and the water-fluorine heat exchanger is also connected to a liquid pipe among the air outlet of the compressor, the outdoor heat exchanger and the indoor heat exchanger through the pipeline. When the multipurpose air-conditioner hot water system is used for refrigerating, recycling heat, heating independently and producing hot water with a heat pump, all of the high temperature and high pressure gases discharged by the compressor enter the water-fluorine heat exchanger for heat exchange, therefore the energy loss is less.
Description
Technical field
The present invention relates to a kind of multi-functional air conditioner hot-water heating system, be meant a kind of multi-functional air conditioner hot-water heating system of utilizing heat pump techniques to carry out chilled water or heating water especially.
Background technology
In recent years, along with the shortage of world energy sources and the maturation of heat pump techniques, the heat-pump hot-water market that utilizes heat pump techniques to produce hot water relied on many advantages such as it is energy-efficient, environmental protection, safety shooting up in various countries.
The existing device that utilizes heat pump techniques to produce hot water mainly contains:
1. Teat pump boiler utilizes heat pump techniques to realize producing the function of hot water;
2. air conditioner and water heater not only can be realized air conditioning function but also can realize utilizing heat pump techniques to produce the function of hot water;
3. the multi-functional air conditioner hot water apparatus both can have been realized air conditioning function, utilize heat pump techniques to produce the function of hot water, can realize ground-heating function again.
Wherein the multi-functional air conditioner hot water apparatus as shown in Figure 1, comprise outdoor unit 1, indoor units 4, water fluorine group of switches 2, water tank 5, floor heating 6, described outdoor unit has compressor 11, cross valve 12, outdoor heat exchanger 13, outdoor electric expansion valve 14, described indoor units 4 has indoor heat exchanger 42, water fluorine group of switches 2 has water fluorine heat exchanger 21, with water pump 22, have coil pipe 51 in the described water tank 5, this coil pipe 51 is connected with water pipe in the water fluorine heat exchanger 21 by pipeline, the refrigerant pipe of described water fluorine group of switches 2 is connected indoor units 4 with the e of cross valve 12 end with outdoor heat exchanger 14, floor heating 6 and coil pipe 51 also connect.This device can utilize heat pump techniques to produce cold water or hot water by water fluorine group of switches 2, realize refrigeration and heat-production functions in indoor units 4 circulations, also the hot water of producing can be circulated in floor heating 6 coil pipes and realize ground-heating function, the hot water of producing can also be stored in the water tank 5 and be used for the domestic hot-water.
There is following problem in existing multi-functional air conditioner hot water apparatus:
1. in the air conditioner refrigerating process, the high temperature and high pressure gas that compressor 11 is discharged is through outdoor heat exchanger 13, outdoor electric expansion valve 14 converts low-temp low-pressure gas to, this low-temp low-pressure gas in water fluorine group of switches with water pipe in the water generation heat exchange of flowing, the cold water of producing is the heat in the absorption chamber when flowing through indoor heat exchanger 42.Because it is outdoor that the heat that absorbed finally is discharged into by outdoor heat exchanger 13,, cause energy loss so carry out the recovery of waste heat when air conditioner refrigerating can not be realized;
2. producing domestic hot-water or operation during floor heating, can not realize air conditioner refrigerating simultaneously or heat.
3. this air-conditioning water heating device can only utilize electric energy, and the energy is single, and operational efficiency is low.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of multi-functional air conditioner hot-water heating system, improves utilization efficiency of energy.
Technical scheme 1: a kind of multi-functional air conditioner hot-water heating system comprises outdoor unit, indoor units, water fluorine group of switches, water tank, outdoor unit has compressor, cross valve, outdoor heat exchanger, outdoor electric expansion valve, indoor units has indoor heat exchanger, indoor electric expansion valve, and water fluorine group of switches has water fluorine heat exchanger, water circulator and water pump, have coil pipe in the described water tank, this coil pipe is connected with water pump with described water circulator by pipeline
The exhaust outlet of described compressor by pipeline successively with the d of described cross valve end, c end, described outdoor heat exchanger, described outdoor electric expansion valve, described indoor set electric expansion valve, described indoor heat exchanger, the e end of described cross valve, s end, the air inlet of described compressor connects, also be connected with described water fluorine heat exchanger by pipeline between the liquid pipe between the exhaust outlet of described compressor and described outdoor heat exchanger and the described indoor heat exchanger
By the above as can be known, in technical scheme 1, during the refrigeration recuperation of heat, outdoor electric expansion valve is closed, indoor electric expansion valve conducting, the high temperature and high pressure gas that described compressor is discharged is via described water fluorine heat exchanger, described indoor electric expansion valve, described indoor heat exchanger returns described compressor
When heating separately, outdoor electric expansion valve conducting, indoor electric expansion valve conducting, the high temperature and high pressure gas that described compressor is discharged is via described indoor heat exchanger, described indoor electric expansion valve, described outdoor electric expansion valve, described outdoor heat exchanger returns described compressor
When heat pump was produced hot water, indoor electric expansion valve was closed, and the high temperature and high pressure gas that described compressor is discharged is via described water fluorine heat exchanger, described outdoor electric expansion valve, and described outdoor heat exchanger returns described compressor.
Described multi-functional air conditioner hot-water heating system is when the refrigeration recuperation of heat, when heating separately, when heat pump is produced hot water, the high temperature and high pressure gas that compressor is discharged all enters water fluorine heat exchanger and carries out heat exchange, the loss of energy is less, reach the efficient of producing of higher hot water, but also realized air conditioner refrigerating, realize producing life hot water when air-conditioning heats.
Technical scheme 2: multi-functional air conditioner hot-water heating system according to claim 1, comprise that also solar panels, the coil pipe in the described water tank have two groups, one group is connected by the water pipe of triple valve with described water fluorine heat exchanger, and another group is connected with solar panels.
As from the foregoing, in technical scheme 2, owing to also be provided with solar panels, another in these solar panels and the water tank organized coil pipe and is connected, and therefore, can also utilize solar energy the water in the water tank to be heated energy savings.
Technical scheme 3: multi-functional air conditioner hot-water heating system according to claim 1 and 2, also comprise, geothermal device, the coil pipe in the described geothermal device is connected by the water pipe of magnetic valve with described water fluorine heat exchanger.
As from the foregoing, in technical scheme 3, owing to also be provided with geothermal device, the coil pipe in the geothermal device is connected by the water pipe of magnetic valve with described water fluorine heat exchanger, therefore can utilize the circulating hot water that is produced by water fluorine heat exchanger that ground is heated.
Technical scheme 4: multi-functional air conditioner hot-water heating system according to claim 3, also comprise, clothes-drying device, the coil pipe in this clothes-drying device is connected by the water pipe of magnetic valve with described water fluorine heat exchanger.As from the foregoing, in technical scheme 4, owing to also be provided with clothes-drying device, the coil pipe in the clothes-drying device is connected by the water pipe of magnetic valve with described water fluorine heat exchanger, therefore can utilize the circulating hot water that is produced by water fluorine heat exchanger to use for clothes-drying device and reach the drying purpose.
Description of drawings
Fig. 1 is the schematic diagram of air conditioning and water heating system of the prior art;
Fig. 2 is the schematic diagram of air conditioning and water heating system provided by the invention.
The reference numeral explanation
The outdoor unit of 1-; The 11-compressor; The 12-cross valve; The 13-outdoor heat exchanger; The outdoor electric expansion valve of 14-; 2-water fluorine group of switches; 21-water fluorine heat exchanger; The 22-water pump; 31-triple valve (being positioned on the water tank pipeline); 32-triple valve (being positioned on the clothes-drying device pipeline); The 4-indoor units; The indoor electric expansion valve of 41-; The 42-indoor heat exchanger; The 5-water tank; The 6-floor heating device; The 7-clothes-drying device; The 8-solar panels; The 10-tracheae; 20-liquid pipe; The 30-recovery tubes.
The specific embodiment
Specify air conditioning and water heating system provided by the invention below in conjunction with figure.
Fig. 2 is the schematic diagram of multi-functional air conditioner hot-water heating system provided by the invention, and as can be seen from Figure 2, the multi-functional air conditioner hot-water heating system comprises outdoor unit 1, indoor units 4, water fluorine group of switches 2, triple valve (31,32), water tank 5, floor heating device 6, clothes-drying device 7 and solar panels 8.Outdoor unit 1 has compressor 11, cross valve 12, outdoor heat exchanger 13, outdoor electric expansion valve 14; Indoor units 4 has two indoor heat exchangers 42 and two indoor electric expansion valves 41; Water fluorine group of switches 2 has water fluorine heat exchanger 21 and water pump 22; Have two groups of coil pipes 51,52 in the described water tank 5.
The exhaust outlet of the compressor 11 in the described outdoor unit 1 is connected with the d end of described cross valve 12 by pipeline, the c end of described cross valve is connected with described outdoor heat exchanger 13, also be connected with outdoor electric expansion valve 14 at outdoor heat exchanger 13 other ends, described outdoor electric expansion valve 14 is connected with described indoor electric expansion valve 41, described indoor set electric expansion valve 41 is connected with described indoor heat exchanger 42, described indoor electric expansion valve 41 is connected with the e end of described cross valve 12, and the s end of described cross valve is connected with the air inlet of described compressor 11.The refrigerant pipe of described water fluorine heat exchanger 21 is connected 20 of the exhaust outlet of described compressor 11 and the liquid pipes between described outdoor electric expansion valve 14 and the indoor set electric expansion valve 41.
Two groups of indoor heat exchangers 42 are connected side by side with indoor electric expansion valve 41 in the indoor units 4.By the switching to cross valve 12, the multi-functional air conditioner hot-water heating system can be finished air conditioner refrigerating, and air-conditioning heats, and heat pump heats water, the air conditioner refrigerating recuperation of heat, and air-conditioning heats the double functions such as water that heat.Below various patterns are described.
1. air conditioner refrigerating pattern
At this moment, the d end of cross valve and the conducting of c end, e end and the conducting of s end, the gas of the HTHP that produces by compressor 11, d end and c end inlet chamber external heat exchanger 13 through cross valve 12, unit 4 in the inlet chamber after outdoor heat exchanger 13 is condensed into the liquid of temperature in the high pressure, become the liquid of low-temp low-pressure through indoor electric expansion valve 41 throttlings, enter indoor heat exchanger 42 then, in indoor heat exchanger 42, be evaporated to the gas of low-temp low-pressure, e end and s end by cross valve 12 turns back to compressor 11 at last, finishes a complete kind of refrigeration cycle.The liquid of low-temp low-pressure heat in the absorption chamber in the evaporating course in indoor heat exchanger wherein, thus reach the effect of air conditioner refrigerating.
2. air conditioner refrigerating heat recovery mode
At this moment, the d end of cross valve 12 and the conducting of c end, e end and the conducting of s end, outdoor electric expansion valve 14 is closed, indoor electric expansion valve 41 conductings, the high temperature and high pressure gas that described compressor 11 is discharged enters water fluorine heat exchanger 21 through recovery tubes 30, be unit 4 in the inlet chamber behind the liquid of pressing in the high temperature via being condensed into behind the described water fluorine heat exchanger 21, liquid through described indoor electric expansion valve 41 throttlings becoming low-temp low-pressure, enter indoor heat exchanger 42 then, the liquid of described low-temp low-pressure is evaporated to the e end of the cross valve 12 of flowing through behind the gas of low-temp low-pressure and s and holds and return described compressor 11 in indoor heat exchanger 42, finish the circulation of a complete refrigeration recuperation of heat.In this cyclic process, the total amount of heat that absorbs in the process of indoor units 4 refrigeration is discharged into by water fluorine heat exchanger 21 produces hot water in the water, avoided outdoor heat exchanger 13 discharges heat, thereby has realized the purpose of recuperation of heat in refrigeration.
3. air-conditioning heating mode
At this moment, the d end of cross valve 12 and the conducting of e end, c end and the conducting of s end, outdoor electric expansion valve 14 conductings, indoor electric expansion valve 41 conductings, the high temperature and high pressure gas that described compressor 11 is discharged enters indoor heat exchanger 42 via the d end and the e end of cross valve 12, in in indoor heat exchanger 42, being condensed into to high pressure the temperature liquid after, through the outer unit of indoor electric expansion valve 41 inlet chambers, is the liquid of low-temp low-pressure via outdoor electric expansion valve 14 backs by throttling, enter described outdoor heat exchanger 13 then, in outdoor heat exchanger 13, be evaporated to the gas of low-temp low-pressure, return described compressor 11 through the c of described cross valve 12 end and s end then, so just finished one and complete heat circulation.Release heat in the process of the gas of HTHP condensation in indoor heat exchanger 42, thus reach the effect that air-conditioning heats.
4. heat pump is produced the hot water pattern
At this moment, the s end of cross valve 12 and the conducting of c end, indoor electric expansion valve 41 is closed, the high temperature and high pressure gas that described compressor 11 is discharged enters water fluorine heat exchanger 21 through recovery tubes 30, in described water fluorine heat exchanger 21, emit heat and be condensed into unit 1 outside the inlet chamber of back, the liquid of temperature becomes low-temp low-pressure liquid through described outdoor electric expansion valve 14 throttlings in the high pressure, enter described outdoor heat exchanger 13 then, in outdoor heat exchanger 13, be evaporated to low-temp low-pressure gas, s end and c end through cross valve 12 returns described compressor 11 at last, finishes the circulation that a complete heat pump is produced hot water.Release heat in the process of high temperature and high pressure gas condensation in water fluorine heat exchanger 21, thus reach the effect of producing hot water.
5. air-conditioning heats the double aqueous mode that heats
At this moment, the d end of cross valve 12 and the conducting of e end, c end and the conducting of s end, the gas of the HTHP that produces by compressor 11, a part enters indoor heat exchanger 42 through the d end and the e end of cross valve 12, in indoor heat exchanger 42, emit heat and be condensed in the high pressure inlet chamber outside behind the liquid of temperature, another part enters water fluorine heat exchanger 21 and water by recovery tubes 30 to carry out joining with the refrigerant of indoor set after the exchange of heat, outdoor electric expansion valve 14 throttlings of common process become low-temp low-pressure liquid, inlet chamber external heat exchanger 13, in outdoor heat exchanger 13, be evaporated to low-temp low-pressure gas, hold through the c of cross valve end and s at last and turn back to compressor 11, finish one and complete heat the double circulation that heats water.Wherein, high temperature and high pressure gas condensation in indoor heat exchanger 42, release heat in this process, thus reaching the effect that air-conditioning heats, the heat of exchange is used for water is heated in water fluorine heat exchanger 21, reaches the purpose that heats water.
Air conditioning and water heating system is when the above-described 5 kinds of patterns of operation as mentioned above, and the high temperature and high pressure gas that compressor 11 is discharged all enters water fluorine heat exchanger 21 and carries out heat exchange, and the loss of energy is less, reaches the efficient of producing of higher hot water.
Owing to have two groups of coil pipes 51 and 52 in the water tank 5, coil pipe 51 is connected the water pipe two ends of water fluorine heat exchanger 21 by triple valve 31, and coil pipe 52 is connected with solar panels 8, and therefore, solar energy has also played the effect of heating to the water in the water tank 5, has reduced energy consumption.
And when off-premises station 1 work, by the switching of control triple valve 31,32, magnetic valve 33,34, the controlled flow direction that heats water.When triple valve 31 was opened, the coil pipe 52 of flow of hot water in water tank 5 that fluorine heat exchanger 21 produces heated the water in the water tank 5.When triple valve 32 was opened, the coil pipe of flow of hot water in clothes-drying device 7 that fluorine heat exchanger 21 produces heated clothes-drying device 7.When magnetic valve 33,34 was opened, the coil pipe of flow of hot water in geothermal device 6 that fluorine heat exchanger 21 produces heated ground.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a multi-functional air conditioner hot-water heating system comprises outdoor unit, indoor units, water fluorine group of switches, water tank is characterized in that, outdoor unit has compressor, cross valve, outdoor heat exchanger, outdoor electric expansion valve, indoor units has indoor heat exchanger, indoor electric expansion valve, water fluorine group of switches has water fluorine heat exchanger and water pump, has coil pipe in the described water tank, and this coil pipe is connected by the water pipe of pipeline with described water fluorine heat exchanger, described water pump is arranged in the water pipe of water fluorine heat exchanger
The exhaust outlet of described compressor by pipeline successively with the d of described cross valve end, c end, described outdoor heat exchanger, described outdoor electric expansion valve, described indoor set electric expansion valve, described indoor heat exchanger, the e end of described cross valve, s end, the air inlet of described compressor connects, and also is connected with described water fluorine heat exchanger by pipeline between the liquid pipe between the exhaust outlet of described compressor and described outdoor heat exchanger and the described indoor heat exchanger.
2. multi-functional air conditioner hot-water heating system according to claim 1 also comprises, solar panels, the coil pipe in the described water tank have two groups, and one group is connected by the water pipe of triple valve with described water fluorine heat exchanger, and another group is connected with solar panels.
3. multi-functional air conditioner hot-water heating system according to claim 1 and 2 also comprises, geothermal device, and the coil pipe in the described geothermal device is connected by the water pipe of magnetic valve with described water fluorine heat exchanger.
4. multi-functional air conditioner hot-water heating system according to claim 3 also comprises, clothes-drying device, and the coil pipe in this clothes-drying device is connected by the water pipe of magnetic valve with described water fluorine heat exchanger.
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| CN2011100791447A CN102155820B (en) | 2011-03-29 | 2011-03-29 | Multipurpose air-conditioner hot water system |
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| CN2011100791447A CN102155820B (en) | 2011-03-29 | 2011-03-29 | Multipurpose air-conditioner hot water system |
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| CN102155820B CN102155820B (en) | 2013-06-12 |
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Cited By (19)
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| CN102650484A (en) * | 2012-01-19 | 2012-08-29 | 浙江师范大学 | Control method for multifunctional multi-connected unit |
| CN102679482A (en) * | 2012-05-25 | 2012-09-19 | 宁波奥克斯空调有限公司 | Heat recovery multiplex system based on variable-frequency air conditioner and control method thereof |
| CN103225859A (en) * | 2013-04-11 | 2013-07-31 | 王子忠 | Environment-friendly, energy-saving, solar-energy and variable-capacity air conditioning hot water system |
| CN103438574A (en) * | 2013-08-28 | 2013-12-11 | 南通大学 | Hot water supplying and heating system adopting heat pump |
| CN103438501A (en) * | 2013-08-28 | 2013-12-11 | 南通大学 | Hot water supplying and heating system with assistant electric heating device and heat pump |
| CN103438491A (en) * | 2013-08-28 | 2013-12-11 | 南通大学 | Hot water supplying and heating system with hot water self-circulation system and heat pump |
| WO2014124579A1 (en) * | 2013-02-18 | 2014-08-21 | Feng Lin | Multipurpose air energy water heater |
| CN104034087A (en) * | 2014-06-05 | 2014-09-10 | 珠海格力电器股份有限公司 | hot water generator |
| CN104214962A (en) * | 2013-05-31 | 2014-12-17 | 海尔集团公司 | Solar heat collecting system and control method of solar heat collecting system |
| CN104315751A (en) * | 2014-08-28 | 2015-01-28 | 朱建雨 | Heating and refrigerating system with solar heat collector and ultralow-temperature air source heat pump |
| CN104976840A (en) * | 2015-07-03 | 2015-10-14 | 南京天加空调设备有限公司 | Method for controlling electronic expansion valves of air cooling cold water or hot water machine set |
| CN106288022A (en) * | 2015-06-03 | 2017-01-04 | 陕西华汇能源科技有限公司 | A kind of trilogy supply outdoor machine of air-conditioner |
| CN106642443A (en) * | 2016-08-31 | 2017-05-10 | 浙江创能新能源科技有限公司 | Split low-temperature frequency-conversion triple-generation heat pump system and controller thereof |
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| CN107560216A (en) * | 2017-08-29 | 2018-01-09 | 广东美的暖通设备有限公司 | Waterpower heat-exchanger rig and air conditioner cold and hot water unit for air conditioner cold and hot water unit |
| CN107883603A (en) * | 2017-12-12 | 2018-04-06 | 南京天加环境科技有限公司 | A kind of multi-functional air conditioner hot water integrated machine |
| CN111879000A (en) * | 2020-07-13 | 2020-11-03 | 北京工业大学 | Fluorine cold wall type heat pump water heating device |
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| CN113294912A (en) * | 2021-06-21 | 2021-08-24 | 中山市爱美泰电器有限公司 | Heat pump water heater and temperature control assembly of water system coupling |
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