CN101839585A - Solar energy-air source heat pump composite system suitable for microthermal climate - Google Patents
Solar energy-air source heat pump composite system suitable for microthermal climate Download PDFInfo
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- CN101839585A CN101839585A CN200910010821A CN200910010821A CN101839585A CN 101839585 A CN101839585 A CN 101839585A CN 200910010821 A CN200910010821 A CN 200910010821A CN 200910010821 A CN200910010821 A CN 200910010821A CN 101839585 A CN101839585 A CN 101839585A
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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
- Y02B10/20—Solar thermal
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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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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Abstract
The invention discloses a solar energy-air source heat pump composite system suitable for microthermal climate, belonging to the field of utilization of renewable energy source. The system comprises a solar energy heat collector, a frequency conversion compressor, a jet booster, a heat exchanger, a four-way electromagnetic directional valve and the like which are connected by pipelines. The invention is characterized in that a solar energy circulating unit and an air source heat pump circulating unit in the system form a refrigeration mode, a heating mode, a domestic hot water mode, and a refrigeration and domestic hot water operation mode by switching on or switching off the four-way electromagnetic directional valve and the electromagnetic valve. The invention has the beneficial effect that the system fully utilizes the solar energy and the air energy; in summer, the system not only can separately refrigerate and prepare domestic hot water, but also can simultaneously refrigerate and prepare domestic hot water; in microthermal climate of winter, the jet booster is coupled with the solar energy circulating unit and the air source heat pump circulating unit to provide the heat and domestic hot water required indoors to realize integration of cold bath and hot bath; and the system has wide application space and significances of energy saving and environment protection.
Description
Technical field
The invention belongs to field of renewable energy resource utilization, related to the solar-powered-air source heat-pump hybrid system, particularly relate to and a kind ofly utilize solar energy and air can realize refrigeration, heat and produce domestic hot-water's heat pump hybrid system at cold district.
Background technology
The energy in today of rapid economic development, has become the focus that the whole world is paid close attention to.Along with progressively going deep into that China builds a conservation-minded society, how correctly to use the energy and rational exploitation and utilization regenerative resource to rise to the strategic height that concerns national survival and development.Though, going back a large amount of multiple modes such as adopting small electrical, coal, oil, gas boiler that exist to concentrate the pipe network heating, China cities and towns heating at present carries out heat supply in winter.Exist problems such as energy utilization rate is low, heating effect is not good, overheated heating, caused a large amount of energy wastes and serious environmental to pollute.While, people were also more and more higher to domestic hot-water's quality requirement along with people's living standard improves constantly.Therefore the solar energy heat pump system that possesses superiority such as energy-conservation and environmental protection is subjected to people's favor gradually, numerous researchers have carried out extensive studies and have obtained certain progress solar heat pump, but all there is defective in these systems with regard to present research, as heat hot water and the shared same water-flow circuit of domestic hot-water cause composite pollution, and northerly application is subjected to the restriction of microthermal climate.Solar energy and air can all be huge regenerative resources, if can develop a kind of heat pump hybrid system of utilizing solar energy and air energy and being widely used in north cold area, but in separate refrigeration and produce the domestic hot-water not only in summer, also can be the refrigeration system domestic hot-water that holds concurrently simultaneously; Provide heating institute's calorific requirement and domestic hot-water to indoor under the microthermal climate in the winter time.This hybrid system just can make full use of two kinds of regenerative resources of solar energy and air energy so, and has advantages such as functional diversities, energy-conserving and environment-protective, and can extensive use in the north cold area room.
Find by retrieval: on February 20th, 2008, people such as Zhou Guanghui disclose the patent that name is called air-solar energy double heat source synchronization composite heat pump device (200710054878.3); On June 11st, 2008, people such as Hu Guangliang disclose name and have been called multifunctional solar heat pump (application number: patent 200710032182.), respectively solar heat pump has been carried out extensive and deep research, realize the refrigeration in summer, produced hot water, the function of winter heating, but two situations that the described system of patent does not have consideration to use under microthermal climate, when the cold district heat supply in winter, it is little to exist system's heating capacity, heating efficiency is low, can not satisfy the deficiency of the needs of cold district heating, can not be in cold district large scale application in winter.Have that indoor end is the indoor heat exchanger of flow of refrigerant working medium in the patent (200710054878.3), terminal form is single again, and it is limited to cause it to use in the north; Domestic hot-water and the shared same water tank of heating hot water, same water-flow circuit cause composite pollution in the patent (200710032182.0).
Summary of the invention
The object of the invention be to provide a kind of can be in the solar-powered-air source heat-pump hybrid system of the widely used cold bath or warm bath one of cold district, system is reasonable in design, having solved in the said system domestic hot-water and the shared same water-flow circuit of heating hot water causes composite pollution and uses defectives such as limited at north cold area, and make full use of solar energy and air can two kinds of regenerative resources, realize that systemic-function variation, device cold bath or warm bath are integrated.
Technical solution of the present invention is as follows:
The solar-powered-air source heat-pump hybrid system of cold district cold bath or warm bath one provided by the invention comprises by solar energy energy heat collector 1; Water pump 2; Water tank 3; Constant pressure tank 4; Magnetic valve 17,26; The moisturizing mouth of pipe 27; Domestic hot-water's delivery port 28 and connecting line constitute the solar energy cycling element and by frequency-changeable compressor 5; Spray booster 6; Four-way electromagnetic reversing valve 7; Plate type heat exchanger 8; Room air heat exchanger 9; Outdoor air heat exchanger 10; Electric expansion valve 11,12,13; Check valve 14,15,16; Magnetic valve 18,19,20,21,22,23,24,25; Heating hot water outlet 29; Heating hot water backwater's mouth 30 and connecting line constitute the air source heat pump cycling element.
The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate is characterized in that: described by solar thermal collector (1) in the solar energy cycling element, water pump (2), water tank (3), Constant pressure tank (4), magnetic valve (17,26) frequency-changeable compressor (5) and in connecting line and the air source heat pump cycling element, spray booster (6), four-way electromagnetic reversing valve (7), plate type heat exchanger (8), electric expansion valve (12,13), check valve (14), magnetic valve (18,20,23,24) and connecting line constitute the solar-powered-air source heat-pump coupling and spray supercharging heating closed circuit.
The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate, it is characterized in that: described system is provided with sprays booster (6), spraying booster (6) A end links to each other with water tank (3) by magnetic valve (18), spray booster (6) B end and link to each other with outdoor air heat exchanger (10), spray booster (6) C end and link to each other with four-way electromagnetic reversing valve (7) by magnetic valve (20).
The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate is characterized in that: Constant pressure tank (4), magnetic valve (17) and the moisturizing mouth of pipe (27) are set between solar thermal collector (1) and water tank (3) in the described solar energy cycling element; Magnetic valve (26) and domestic hot-water's delivery port (28) are set between water pump (2) and water tank (3).
The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate, it is characterized in that: two two in parallel to path to path and electric expansion valve (13) and check valve (16) composition that electric expansion valve (12) and check valve (15) are formed constitute two refrigerant passage that independently can control refrigerant flow respectively.
The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate is characterized in that: described system's heating hot water outlet (29) can connect fan coil, underground heat hot-water coil pipe or radiator.
Effect of the present invention and benefit are: this system make full use of solar energy and air can two kinds regenerative resources, reasonable integration system resource, but in separate refrigeration and produce the domestic hot-water not only in summer, also can be the refrigeration system domestic hot-water that holds concurrently simultaneously; Microthermal climate utilizes down and sprays booster coupled solar cycling element and air source heat pump cycling element in the winter time, provide heating institute's calorific requirement and domestic hot-water to indoor, and under various weather conditions, all can provide the domestic hot-water who satisfies user's needs, realize the cold bath or warm bath function integration, have application space and energy-conserving and environment-protective meaning widely.
Description of drawings
Accompanying drawing is the structural principle schematic diagram that is fit to the solar-powered-air source heat-pump hybrid system of microthermal climate.
Among the figure: 1 solar thermal collector, 2 water pumps, 3 water tanks, 4 Constant pressure tanks, 5 frequency-changeable compressors, 6 spray booster, 7 four-way electromagnetic reversing valves, 8 plate type heat exchangers, 9 room air heat exchangers, 10 outdoor air heat exchangers, 11 electric expansion valves, 12 electric expansion valves, 13 electric expansion valves, 14 check valves, 15 check valves, 16 check valves, 17 magnetic valves, 18 magnetic valves, 19 magnetic valves, 20 magnetic valves, 21 magnetic valves, 22 magnetic valves, 23 magnetic valves, 24 magnetic valves, 25 magnetic valves, the 26 moisturizing mouths of pipe, 28 domestic hot-water's delivery ports, 29 heating hot water outlets, 30 heating hot water backwater mouths.
The specific embodiment
Below in conjunction with technical scheme and accompanying drawing, be described in detail the specific embodiment of the present invention.
Solar energy system domestic hot-water working method:
The delivery port of solar thermal collector 1 is connected with the water inlet of water tank 3, and the delivery port of water tank 3 is connected with solar thermal collector 1 water inlet by water pump 2, and filling pipe is connected with water tank 3 by magnetic valve 17, and domestic hot-water's outlet pipe is connected with water tank 3 by magnetic valve 26.To the water tank moisturizing, magnetic valve 26 is opened domestic hot-waters from 28 outflows of domestic hot-water's delivery port when using the domestic hot-water from water supplement port 27 in magnetic valve 17 unlatchings during moisturizing.
Summer the separate refrigeration working method:
Refrigeration was held concurrently and was made domestic hot-water's working method summer:
The air source heat pump working method that heats separately:
A. magnetic valve 21,23,24 energisings, electric expansion valve 12 energisings, four-way electromagnetic reversing valve 7 energisings.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged flows into plate type heat exchanger 8 through four-way electromagnetic reversing valve 7, magnetic valve 23, cool off through the heating water return heat exchange, be condensed into cold high-pressure refrigerant through magnetic valve 24, check valve 14 enters electric expansion valve 12 throttling step-downs becomes low-temp low-pressure liquid state and gaseous state mix refrigerant working medium, after entering outdoor air heat exchanger 10 and outdoor air heat exchange, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and flow into frequency-changeable compressors 5 through magnetic valve 21, four-way electromagnetic reversing valve 7.
B. magnetic valve 21,22,25 energisings, electric expansion valve 12 energisings, four-way electromagnetic reversing valve 7 energisings.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, magnetic valve 22 flows into room air heat exchanger 9, cool off through the room air heat exchange, be condensed into cold high-pressure refrigerant through magnetic valve 25, check valve 14 enters the liquid and gaseous state mix refrigerant working medium of electric expansion valve 12 throttling step-downs becoming low-temp low-pressure, after entering outdoor air heat exchanger 10 and outdoor air heat exchange, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium through magnetic valve 21, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
Solar-powered-air source heat-pump coupling heating working method:
A. magnetic valve 19,23,24 energisings, electric expansion valve 13 energisings, four-way electromagnetic reversing valve 7 energisings.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged flows into plate type heat exchanger 8 through four-way electromagnetic reversing valve 7, magnetic valve 23, cool off through the heating water return heat exchange, be condensed into cold high-pressure refrigerant through magnetic valve 24, check valve 14, enter the liquid and gaseous state mix refrigerant working medium of electric expansion valve 13 throttling step-downs becoming low-temp low-pressure, after entering the water heat exchange in water tank 3 and the water tank, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and flow into frequency-changeable compressors 5 through magnetic valve 19, four-way electromagnetic reversing valve 7.
B. magnetic valve 19,22,25 energisings, electric expansion valve 13 energisings, four-way electromagnetic reversing valve 7 energisings.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged flows into room air heat exchanger 9 through four-way electromagnetic reversing valve 7, magnetic valve 22, cool off through the room air heat exchange, be condensed into cold high-pressure refrigerant through magnetic valve 25, check valve 14, enter the liquid and gaseous state mix refrigerant working medium of electric expansion valve 13 throttling step-downs becoming low-temp low-pressure, after entering the water heat exchange in water tank 3 and the water tank, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and flow into frequency-changeable compressors 5 through magnetic valve 19, four-way electromagnetic reversing valve 7.
Supercharging heating working method is sprayed in the solar-powered-air source heat-pump coupling:
A. magnetic valve 18,20,23,24 energisings, electric expansion valve 12,13 energisings, four-way electromagnetic reversing valve 7 energisings.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged flows into plate type heat exchanger 8 through four-way electromagnetic reversing valve 7, magnetic valve 23, cool off through the heating water return heat exchange, be divided into two-way after being condensed into cold high-pressure refrigerant process magnetic valve 24, check valve 14, one the tunnel enters the liquid and gaseous state mix refrigerant working medium of electric expansion valve 12 throttling step-downs becoming low-temp low-pressure, after entering outdoor air heat exchanger 10 and outdoor air heat exchange, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and enter injection booster 6 through magnetic valve 20; Another road enters the liquid and gaseous state mix refrigerant working medium of electric expansion valve 13 throttling step-downs becoming low-temp low-pressure, after entering the water heat exchange in water tank 3 and the water tank, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and flow into frequency-changeable compressors 5 through four-way electromagnetic reversing valve 7 after magnetic valve 18 enter injection booster and another road low-temp low-pressure gaseous refrigerant mixing supercharging.
B. magnetic valve 18,20,22,25 energisings, electric expansion valve 12,13 energisings, four-way electromagnetic reversing valve 7 energisings.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged flows into room air heat exchanger 9 through four-way electromagnetic reversing valve 7, magnetic valve 23, cool off through the room air heat exchange, be divided into two-way after being condensed into cold high-pressure refrigerant process magnetic valve 25, check valve 14, one the tunnel enters the liquid and gaseous state mix refrigerant working medium of electric expansion valve 12 throttling step-downs becoming low-temp low-pressure, after entering outdoor air heat exchanger 10 and outdoor air heat exchange, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and enter injection booster 6 through magnetic valve 20; Another road enters the liquid and gaseous state mix refrigerant working medium of electric expansion valve 13 throttling step-downs becoming low-temp low-pressure, after entering the water heat exchange in water tank 3 and the water tank, the liquid state of low-temp low-pressure and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant working medium and flow into frequency-changeable compressors 5 through four-way electromagnetic reversing valve 7 after magnetic valve 18 enter injection booster and another road low-temp low-pressure gaseous refrigerant mixing supercharging.
Claims (6)
1. the solar-powered-air source heat-pump hybrid system of a suitable microthermal climate, it is characterized in that: described system comprises by solar thermal collector (1), water pump (2), water tank (3), Constant pressure tank (4), magnetic valve (17,26), the moisturizing mouth of pipe (27), domestic hot-water's delivery port (28) and connecting line constitute the solar energy cycling element and by frequency-changeable compressor (5), spray booster (6), four-way electromagnetic reversing valve (7), plate type heat exchanger (8), room air heat exchanger (9), outdoor air heat exchanger (10), electric expansion valve (11,12,13), check valve (14,15,16), magnetic valve (18,19,20,21,22,23,24,25), heating hot water outlet (29), heating hot water backwater's mouth (30) and connecting line constitute the air source heat pump cycling element.
2. the solar-powered-air source heat-pump hybrid system of suitable microthermal climate according to claim 1 is characterized in that: described by solar thermal collector (1) in the solar energy cycling element, water pump (2), water tank (3), Constant pressure tank (4), magnetic valve (17,26) frequency-changeable compressor (5) and in connecting line and the air source heat pump cycling element, spray booster (6), four-way electromagnetic reversing valve (7), plate type heat exchanger (8), electric expansion valve (12,13), check valve (16), magnetic valve (18,20,23,24) and connecting line constitute the solar-powered-air source heat-pump coupling and spray supercharging heating closed circuit.
3. the solar-powered-air source heat-pump hybrid system of suitable microthermal climate according to claim 1, it is characterized in that: described system is provided with sprays booster (6), spraying booster (6) A end links to each other with water tank (3) by magnetic valve (18), spray booster (6) B end and link to each other with outdoor air heat exchanger (10), spray booster (6) C end and link to each other with four-way electromagnetic reversing valve (7) by magnetic valve (20).
4. the solar-powered-air source heat-pump hybrid system of suitable microthermal climate according to claim 1 is characterized in that: Constant pressure tank (4), magnetic valve (17) and the moisturizing mouth of pipe (27) are set between solar thermal collector (1) and water tank (3) in the described solar energy cycling element; Magnetic valve (26) and domestic hot-water's delivery port (28) are set between water pump (2) and water tank (3).
5. the solar-powered-air source heat-pump hybrid system of suitable microthermal climate according to claim 1, it is characterized in that: two two in parallel to path to path and electric expansion valve (13) and check valve (16) composition that described electric expansion valve (12) and check valve (15) are formed constitute two refrigerant passage that independently can control refrigerant flow respectively.
6. the solar-powered-air source heat-pump hybrid system of suitable microthermal climate according to claim 1 is characterized in that: described system's heating hot water outlet (29) can connect fan coil, underground heat hot-water coil pipe or radiator.
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Cited By (18)
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| CN102012129A (en) * | 2010-11-18 | 2011-04-13 | 江苏天舒电器有限公司 | Energy-saving solar air source heat pump multifunctional machine |
| CN102032713A (en) * | 2010-12-23 | 2011-04-27 | 扬州碧源空调设备有限公司 | Device for realizing water heating function of general heat pump air conditioner |
| CN102589070A (en) * | 2012-02-23 | 2012-07-18 | 姜衍礼 | Hot water air conditioner system of solar air source heat pump |
| CN102679565A (en) * | 2011-12-25 | 2012-09-19 | 河南科技大学 | Device for obtaining high-temperature water by utilizing solar energy and air energy |
| CN102853582A (en) * | 2012-09-21 | 2013-01-02 | 中山市爱美泰电器有限公司 | Modified heat pump unit and solar energy linkage domestic hot water supply device |
| CN103398498A (en) * | 2013-07-24 | 2013-11-20 | 广东申菱空调设备有限公司 | Compact solar ejector refrigeration and heat pump integrated system and method for controlling same |
| CN104344453A (en) * | 2014-11-03 | 2015-02-11 | 广州德能热源设备有限公司 | Floor heating system with variable-frequency air source heat pump |
| CN104534685A (en) * | 2015-01-14 | 2015-04-22 | 力诺瑞特（上海）新能源有限公司 | Split type solar energy and air source heat pump combining system |
| CN105180558A (en) * | 2015-10-11 | 2015-12-23 | 钟小强 | Solar ejection refrigeration refrigerator |
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| CN106225311A (en) * | 2016-07-27 | 2016-12-14 | 哈尔滨工业大学 | A kind of condensation heat recovery type air source solar energy coupling heat pump air conditioning and water heating system |
| CN107036301A (en) * | 2017-04-04 | 2017-08-11 | 深圳市上羽科技有限公司 | A kind of device that can be heated in a wide variety of climates |
| CN107726659A (en) * | 2017-09-26 | 2018-02-23 | 杭州恒瑞教学设备有限公司 | Air source heat pump/solar energy heat pump system installation and debugging practice training examination device |
| CN110925852A (en) * | 2019-11-12 | 2020-03-27 | 珠海格力电器股份有限公司 | Control method of water heating unit and water heating unit |
| CN113063178A (en) * | 2021-05-19 | 2021-07-02 | 大连理工大学 | Pump combined drive enthalpy-increasing PVT heat pump household power generation heating and cooling and hot water quadruple combined supply system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102012129A (en) * | 2010-11-18 | 2011-04-13 | 江苏天舒电器有限公司 | Energy-saving solar air source heat pump multifunctional machine |
| CN102032713A (en) * | 2010-12-23 | 2011-04-27 | 扬州碧源空调设备有限公司 | Device for realizing water heating function of general heat pump air conditioner |
| CN102679565B (en) * | 2011-12-25 | 2013-12-18 | 河南科技大学 | Device for obtaining high-temperature water by utilizing solar energy and air energy |
| CN102679565A (en) * | 2011-12-25 | 2012-09-19 | 河南科技大学 | Device for obtaining high-temperature water by utilizing solar energy and air energy |
| CN102589070B (en) * | 2012-02-23 | 2016-12-14 | 姜衍礼 | A kind of solar air source heat pumps hot water air-conditioning system |
| CN102589070A (en) * | 2012-02-23 | 2012-07-18 | 姜衍礼 | Hot water air conditioner system of solar air source heat pump |
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| CN103398498B (en) * | 2013-07-24 | 2015-11-18 | 广东申菱环境系统股份有限公司 | A kind of compact solar ejector refrigeration and heat pump integrated system and control method thereof |
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| CN116697639B (en) * | 2023-05-30 | 2023-11-14 | 江苏省华扬太阳能有限公司 | Solar energy-air source heat pump coupling hot water, heating, refrigerating and energy storage system and control method thereof |
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