CN101839585B - 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 PDF

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Publication number
CN101839585B
CN101839585B CN2009100108212A CN200910010821A CN101839585B CN 101839585 B CN101839585 B CN 101839585B CN 2009100108212 A CN2009100108212 A CN 2009100108212A CN 200910010821 A CN200910010821 A CN 200910010821A CN 101839585 B CN101839585 B CN 101839585B
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China
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valves
magnetic valves
water
links
electric expansion
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CN101839585A (en
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王树刚
金旭
吴启任
初家平
初家君
蒋爽
杜伟
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DALIAN ZHONGXING TECHNOLOGIES DEVELOPMENT Co Ltd
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DALIAN ZHONGXING TECHNOLOGIES DEVELOPMENT Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps

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

The solar-powered-air source heat-pump hybrid system that is fit to microthermal climate
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 China cities and towns heating at present is to concentrate the pipe network heating, also a large amount of multiple modes such as adopting small electrical, coal, oil, gas boiler that exist are carried 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 having studied widely and having obtained certain progress to solar heat pump, but all there is defective in these systems with regard to present research, as heat hot water and domestic hot-water share same water-flow circuit and 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 domestic hot-water processed 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 take full advantage 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 heating hot water share same water tank in the patent (200710032182.0), same water-flow circuit causes composite pollution.
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 heating hot water shares same water-flow circuit and causes composite pollution and use defectives such as limited at north cold area, and take full advantage 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 thermal collector (1), water pump (2), water tank (3), Constant pressure tank (4), a magnetic valve (17), No. ten magnetic valves (26), water supplement port (27), the solar energy cycling element that domestic hot-water's delivery port (28) and connecting line constitute 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), an electric expansion valve (11), No. two electric expansion valves (12), No. three electric expansion valves (13), a check valve (14), No. two check valves (15), No. three check valves (16), No. two magnetic valves (18), No. three magnetic valves (19), No. four magnetic valves (20), No. five magnetic valves (21), No. six magnetic valves (22), No. seven magnetic valves (23), No. eight magnetic valves (24), No. nine magnetic valves (25), heating hot water outlet (29), the air source heat pump cycling element that heating hot water backwater's mouth (30) and connecting line constitute; Each equipment connecting relation is in the described system: the outlet pipeline of solar thermal collector (1) links to each other with water tank (3) left upper end pipeline, water tank (3) lower-left end pipeline links to each other with solar thermal collector (1) through water pump (2), at solar thermal collector (1) and water tank (3) connecting line Constant pressure tank (4) is set, on Constant pressure tank (4) and water tank connecting pipe road water pipe is set, water pipe links to each other with water supplement port (27) through a magnetic valve (17), at water tank (3) and water pump (2) connecting line domestic hot-water's outlet pipeline is set, domestic hot-water's outlet pipeline links to each other with domestic hot-water's delivery port (28) through No. ten magnetic valves (26), the gas exhaust piping of frequency-changeable compressor (5) links to each other with four-way electromagnetic reversing valve (7) upper end, four-way electromagnetic reversing valve (7) right-hand member refrigerant line links to each other with room air heat exchanger (9) through No. six magnetic valves (22), the lower end refrigerant line of room air heat exchanger (9) links to each other with an electric expansion valve (11) through No. nine magnetic valves (25), a check valve (14) port of export links to each other with an electric expansion valve (11) left end, a check valve (14) entrance point links to each other with an electric expansion valve (11) right-hand member, plate type heat exchanger (8) left upper end refrigerant line is connected to link to each other with No. six magnetic valves (22) middle part of refrigerant line of four-way electromagnetic reversing valve (7) through No. seven magnetic valves (23), plate type heat exchanger (8) lower-left end refrigerant line is connected to link to each other with an electric expansion valve (11) middle part of refrigerant line of No. nine magnetic valves (25) through No. eight magnetic valves (24), plate type heat exchanger (8) upper right side water lines links to each other with heating hot water outlet (29), plate type heat exchanger (8) bottom righthand side water lines links to each other with heating hot water backwater's mouth (30), the left end refrigerant line of an electric expansion valve (11) links to each other with No. three electric expansion valves (13) with No. two electric expansion valves (12) respectively, No. two check valves (15) port of export links to each other with No. two electric expansion valves (12) lower end, No. two check valves (15) entrance point links to each other with No. two electric expansion valves (12) upper end, the upper end refrigerant line of No. two electric expansion valves (12) links to each other with four-way electromagnetic reversing valve (7) left end with No. five magnetic valves (21) through outdoor air heat exchanger (10) successively, No. three check valves (16) port of export links to each other with No. three electric expansion valves (13) right-hand member, No. three check valves (16) entrance point links to each other with No. three electric expansion valves (13) left end, No. three electric expansion valves (13) left end refrigerant line is connected to link to each other with four-way electromagnetic reversing valve (7) middle part of refrigerant line of No. five magnetic valves (21) through water tank (3) and No. three magnetic valves (19) successively, spray booster (6) A end refrigerant line and be connected to the middle part of the refrigerant line that water tank (3) links to each other with No. three magnetic valves (19) through No. two magnetic valves (18), spray booster (6) B end refrigerant line and be connected to the middle part of the refrigerant line that outdoor air heat exchanger (10) links to each other with No. five magnetic valves (21) through No. four magnetic valves (20), spray booster (6) C end refrigerant line and be connected to the middle part of the refrigerant line that No. three magnetic valves (19) link to each other with four-way electromagnetic reversing valve (7), four-way electromagnetic reversing valve (7) lower end links to each other with frequency-changeable compressor (5).The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate is characterized in that: solar thermal collector (1) in the described 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), a check valve (14), No. two check valves (15), No. three check valves (16), a magnetic valve (17), No. two magnetic valves (18), No. three magnetic valves (19), No. four magnetic valves (20), No. five magnetic valves (21), No. six magnetic valves (22), No. seven magnetic valves (23), No. eight magnetic valves (24), No. nine magnetic valves (25), No. ten magnetic valves (26) 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 arranges sprays booster (6), spraying booster (6) A end links to each other with water tank (3) by No. two magnetic valves (18), spray booster (6) B end and link to each other with outdoor air heat exchanger (10) by No. four magnetic valves (20), spray booster (6) C end and link to each other with four-way electromagnetic reversing valve (7).
The solar-powered-air source heat-pump hybrid system of described suitable microthermal climate is characterized in that: Constant pressure tank (4), a magnetic valve (17) and water supplement port (27) are set between solar thermal collector (1) and water tank (3) in the described solar energy cycling element; No. ten magnetic valves (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: after described No. two electric expansion valves (12) and No. two check valves (15) parallel connection, link to each other with No. five magnetic valves (21) with outdoor air heat exchanger (10) successively, constitute one two to path; After No. three electric expansion valves (13) and No. three check valves (16) parallel connection, link to each other with No. three magnetic valves (19) with water tank (3) successively, constitute another two to path; Above-mentioned two two to the path parallel connection, 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 take full advantage 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 domestic hot-water processed that holds concurrently simultaneously; Utilize under the microthermal climate in the winter time and spray booster coupled solar cycling element and air source heat pump cycling element, 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, No. 11 electric expansion valves, 12 No. two electric expansion valves, 13 No. three electric expansion valves, No. 14 check valves, 15 No. two check valves, 16 No. three check valves, No. 17 magnetic valves, 18 No. two magnetic valves, 19 No. three magnetic valves, 20 No. four magnetic valves, 21 No. five magnetic valves, 22 No. six magnetic valves, 23 No. seven magnetic valves, 24 No. eight magnetic valves, 25 No. nine magnetic valves, 26 No. ten magnetic valves, 27 water supplement ports, 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 domestic hot-water's working method processed:
The delivery port of solar thermal collector 1 is connected with the water inlet of water tank 3, the delivery port of water tank 3 is connected with solar thermal collector 1 water inlet by water pump 2, filling pipe is connected with water tank 3 by a magnetic valve 17, and domestic hot-water's outlet pipe is connected with water tank 3 by No. ten magnetic valves 26.To the water tank moisturizing, No. ten magnetic valves 26 are 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:
Five, six, No. nine magnetic valves 21,22,25 energisings, electric expansion valve 11 energisings, four-way electromagnetic reversing valve 7 no powers.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, No. five magnetic valve 21 flows into outdoor air heat exchanger 10, cool off through the outdoor air heat exchange, be condensed into cold high-pressure refrigerant through No. two check valves 15, electric expansion valve 11 throttling step-downs become the liquid and gaseous state mix refrigerant working medium of low-temp low-pressure, through after air heat exchanger in No. nine magnetic valve 25 inlet chambers 9 and the 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 No. six magnetic valves 22, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
The double domestic hot-water's working method processed of refrigeration in summer:
Three, six, No. nine magnetic valves 19,22,25 energisings, electric expansion valve 11 energisings, four-way electromagnetic reversing valve 7 no powers.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, No. three magnetic valve 19 flows into water tank 3, cool off through the water heat exchange, be condensed into cold high-pressure refrigerant through No. three check valves 16, electric expansion valve 11 throttling step-downs become the liquid and gaseous state mix refrigerant working medium of low-temp low-pressure, through after air heat exchanger in No. nine magnetic valve 25 inlet chambers 9 and the room 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 No. six magnetic valves 22, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
The air source heat pump working method that heats separately:
A. five, seven, No. eight magnetic valves 21,23,24 energisings, No. two electric expansion valve 12 energisings, four-way electromagnetic reversing valves 7 are switched on.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, No. seven magnetic valve 23 flows into plate type heat exchanger 8, cool off through the heating water return heat exchange, be condensed into cold high-pressure refrigerant through No. eight magnetic valves 24, a check valve 14 enters No. two electric expansion valve 12 throttling step-downs becomes the liquid and gaseous state mix refrigerant working medium of 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 No. five magnetic valves 21, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
B. five, six, No. nine magnetic valves 21,22,25 energisings, No. two electric expansion valve 12 energisings, four-way electromagnetic reversing valves 7 are switched on.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, No. six 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 No. nine magnetic valves 25, a check valve 14 enters No. two electric expansion valve 12 throttling step-downs becomes the liquid and gaseous state mix refrigerant working medium of 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 No. five magnetic valves 21, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
Solar-powered-air source heat-pump coupling heating working method:
A. three, seven, No. eight magnetic valves 19,23,24 energisings, No. three electric expansion valve 13 energisings, four-way electromagnetic reversing valves 7 are switched on.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, No. seven magnetic valve 23 flows into plate type heat exchanger 8, cool off through the heating water return heat exchange, be condensed into cold high-pressure refrigerant through No. eight magnetic valves 24, a check valve 14, enter No. three electric expansion valve 13 throttling step-downs and become the liquid and gaseous state mix refrigerant working medium of 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 through No. three magnetic valves 19, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
B. three, six, No. nine magnetic valves 19,22,25 energisings, No. three electric expansion valve 13 energisings, four-way electromagnetic reversing valves 7 are switched on.The high temperature and high pressure gaseous refrigerant that frequency-changeable compressor 5 is discharged is through four-way electromagnetic reversing valve 7, No. six 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 No. nine magnetic valves 25, a check valve 14, enter No. three electric expansion valve 13 throttling step-downs and become the liquid and gaseous state mix refrigerant working medium of 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 through No. three magnetic valves 19, four-way electromagnetic reversing valve 7 flows into frequency-changeable compressor 5.
Supercharging heating working method is sprayed in the solar-powered-air source heat-pump coupling:
A. two, four, seven, No. eight magnetic valves 18,20,23,24 energisings, two, No. three electric expansion valves 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 is through four-way electromagnetic reversing valve 7, No. seven magnetic valve 23 flows into plate type heat exchanger 8, cool off through the heating water return heat exchange, be condensed into cold high-pressure refrigerant through No. eight magnetic valves 24, be divided into two-way behind the check valve 14, one the tunnel enters No. two electric expansion valve 12 throttling step-downs becomes the liquid and gaseous state mix refrigerant working medium of 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 No. four magnetic valves 20; Another road enters No. three electric expansion valve 13 throttling step-downs becomes the liquid and gaseous state mix refrigerant working medium of 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 No. two magnetic valves 18 enter injection booster and another road low-temp low-pressure gaseous refrigerant mixing supercharging.
B. two, four, six, No. nine magnetic valves 18,20,22,25 energisings, two, No. three electric expansion valves 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 is through four-way electromagnetic reversing valve 7, No. seven magnetic valve 23 flows into room air heat exchanger 9, cool off through the room air heat exchange, be condensed into cold high-pressure refrigerant through No. nine magnetic valves 25, be divided into two-way behind the check valve 14, one the tunnel enters No. two electric expansion valve 12 throttling step-downs becomes the liquid and gaseous state mix refrigerant working medium of 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 No. four magnetic valves 20; Another road enters No. three electric expansion valve 13 throttling step-downs becomes the liquid and gaseous state mix refrigerant working medium of 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 No. two magnetic valves 18 enter injection booster and another road low-temp low-pressure gaseous refrigerant mixing supercharging.

Claims (2)

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), a magnetic valve (17), No. ten magnetic valves (26), water supplement port (27), the solar energy cycling element that domestic hot-water's delivery port (28) and connecting line constitute 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), an electric expansion valve (11), No. two electric expansion valves (12), No. three electric expansion valves (13), a check valve (14), No. two check valves (15), No. three check valves (16), No. two magnetic valves (18), No. three magnetic valves (19), No. four magnetic valves (20), No. five magnetic valves (21), No. six magnetic valves (22), No. seven magnetic valves (23), No. eight magnetic valves (24), No. nine magnetic valves (25), heating hot water outlet (29), the air source heat pump cycling element that heating hot water backwater's mouth (30) and connecting line constitute; Each equipment connecting relation is in the described system: the outlet pipeline of solar thermal collector (1) links to each other with water tank (3) left upper end pipeline, water tank (3) lower-left end pipeline links to each other with solar thermal collector (1) through water pump (2), at solar thermal collector (1) and water tank (3) connecting line Constant pressure tank (4) is set, on Constant pressure tank (4) and water tank connecting pipe road water pipe is set, water pipe links to each other with water supplement port (27) through a magnetic valve (17), at water tank (3) and water pump (2) connecting line domestic hot-water's outlet pipeline is set, domestic hot-water's outlet pipeline links to each other with domestic hot-water's delivery port (28) through No. ten magnetic valves (26), the gas exhaust piping of frequency-changeable compressor (5) links to each other with four-way electromagnetic reversing valve (7) upper end, four-way electromagnetic reversing valve (7) right-hand member refrigerant line links to each other with room air heat exchanger (9) through No. six magnetic valves (22), the lower end refrigerant line of room air heat exchanger (9) links to each other with an electric expansion valve (11) through No. nine magnetic valves (25), a check valve (14) port of export links to each other with an electric expansion valve (11) left end, a check valve (14) entrance point links to each other with an electric expansion valve (11) right-hand member, plate type heat exchanger (8) left upper end refrigerant line is connected to link to each other with No. six magnetic valves (22) middle part of refrigerant line of four-way electromagnetic reversing valve (7) through No. seven magnetic valves (23), plate type heat exchanger (8) lower-left end refrigerant line is connected to link to each other with an electric expansion valve (11) middle part of refrigerant line of No. nine magnetic valves (25) through No. eight magnetic valves (24), plate type heat exchanger (8) upper right side water lines links to each other with heating hot water outlet (29), plate type heat exchanger (8) bottom righthand side water lines links to each other with heating hot water backwater's mouth (30), the left end refrigerant line of an electric expansion valve (11) links to each other with No. three electric expansion valves (13) with No. two electric expansion valves (12) respectively, No. two check valves (15) port of export links to each other with No. two electric expansion valves (12) lower end, No. two check valves (15) entrance point links to each other with No. two electric expansion valves (12) upper end, the upper end refrigerant line of No. two electric expansion valves (12) links to each other with four-way electromagnetic reversing valve (7) left end with No. five magnetic valves (21) through outdoor air heat exchanger (10) successively, No. three check valves (16) port of export links to each other with No. three electric expansion valves (13) right-hand member, No. three check valves (16) entrance point links to each other with No. three electric expansion valves (13) left end, No. three electric expansion valves (13) left end refrigerant line is connected to link to each other with four-way electromagnetic reversing valve (7) middle part of refrigerant line of No. five magnetic valves (21) through water tank (3) and No. three magnetic valves (19) successively, spray booster (6) A end refrigerant line and be connected to the middle part of the refrigerant line that water tank (3) links to each other with No. three magnetic valves (19) through No. two magnetic valves (18), spray booster (6) B end refrigerant line and be connected to the middle part of the refrigerant line that outdoor air heat exchanger (10) links to each other with No. five magnetic valves (21) through No. four magnetic valves (20), spray booster (6) C end refrigerant line and be connected to the middle part of the refrigerant line that No. three magnetic valves (19) link to each other with four-way electromagnetic reversing valve (7), four-way electromagnetic reversing valve (7) lower end links to each other with frequency-changeable compressor (5).
2. the solar-powered-air source heat-pump hybrid system of suitable microthermal climate according to claim 1 is characterized in that solar thermal collector (1) in the described solar energy cycling element, water pump (2), water tank (3), Constant pressure tank (4), a magnetic valve (17), frequency-changeable compressor (5) in No. ten magnetic valves (26) and connecting line and the air source heat pump cycling element, spray booster (6), four-way electromagnetic reversing valve (7), plate type heat exchanger (8), two, No. three electric expansion valves (12,13), a check valve (14), No. two magnetic valves (18), No. four magnetic valves (20), No. seven magnetic valves (23), No. eight magnetic valves (24) and connecting line constitute the solar-powered-air source heat-pump coupling and spray supercharging heating closed circuit.
CN2009100108212A 2009-03-20 2009-03-20 Solar energy-air source heat pump composite system suitable for microthermal climate Expired - Fee Related CN101839585B (en)

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