CN100487343C - Air- solar energy double heat source synchronous composite type heat pump device - Google Patents
Air- solar energy double heat source synchronous composite type heat pump device Download PDFInfo
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- CN100487343C CN100487343C CN 200710054878 CN200710054878A CN100487343C CN 100487343 C CN100487343 C CN 100487343C CN 200710054878 CN200710054878 CN 200710054878 CN 200710054878 A CN200710054878 A CN 200710054878A CN 100487343 C CN100487343 C CN 100487343C
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Abstract
The present invention provides an air-solar dual-heat source synchronous composite type heat pump apparatus, which comprises a solar collecting and storage part, and an air-liquid dual-heat source synchronous composite type solar heat pump part. Wherein, the solar collecting and storage part comprises a solar collector (4), a solar storage water tank (5), a living water tank (6), a heat exchanging coil pipe (17), a first circulation water pump (7), a second circulation water pump (8), a connecting pipeline and a valve. The composite type solar heat pump part comprises a compressor (1), a fin sleeve casing composite type heat exchanger (2), a user side heat exchanger (3), a first capillary tube (13), a second capillary tube (14) and a check valve (15), a four-way reversing valve (16), and the connecting pipeline and the valve and so on. The heat exchanger (2) comprises an outer sleeve casing (22), an inner sleeve casing (23) through arranged inside the outer sleeve casing and a fin (21) combined with the outer wall of the outer sleeve casing. A ring type space existed between the outer wall of the inner sleeve casing and the inner wall of the outer sleeve casing is a medium channel (19), and another medium channel (18) is formed by a pipe cavity of the inner sleeve casing. A third kind of medium channel (20) is formed between the outer wall of the outer sleeve casing and the fin.
Description
Technical field
The present invention relates to air source heat pump air-conditioner and solar energy heat utilization field, relate in particular to a kind of air-solar energy double heat source synchronization composite heat pump device.
Background technology
Current, energy scarcity and environmental pollution have become two outstanding problems of the global sustainable development of restriction, cause countries in the world concern more and more widely.The energy scarcity outstanding behaviours is aspect two: the main body that is the global energy system on the one hand is " the carbon back energy " oil and coal, and these non-renewable energy resources are day by day exhausted; The rapid expansion and the energy waste phenomenon that are global total energy consumption on the other hand are serious, have further aggravated the energy scarcity situation.In addition, along with the development of society and the raising of living standards of the people, be used for heating, air-conditioning and produce life increasing with the ratio that the energy consumption of hot water aspect accounts for energy total amount.For this reason, energetically the exploitation and effectively utilize regenerative resource to become the strategy of first developing of various countries.Solar energy is as the renewable and clean energy resource that has huge applications prospect and market, and its exploitation and effective utilization more and more are subjected to paying attention to widely.Solar heat pump with solar energy heating technology and heat pump techniques organic integration, can improve solar energy heating efficient and heat pump performance as the solar thermal utilization complex art simultaneously.Therefore, innovation and developing low-cost, high efficiency new type solar energy heat pump technology and product have become solar heat pump Study on Technology emphasis and developing direction.On present research and development direction, focus mostly at following two class solar heat pump technology and products.
(1) single source solar energy heat pump system: be divided into indirect type solar heat pump expansion system and direct expanding solar heating pump system in this type systematic again.Chinese patent 200510044352.8 disclosed heat pump heating devices are indirect expansion type system, and freeze hot system, 03150625.9 disclosed directly-expanding solar heat-pump air conditioner system of Chinese patent 02219389.8 disclosed solar heat pump air conditioner, 02239555.5 disclosed solar heat pump then belongs to second class.Above-mentioned patent application all concentrates on the aspect that combines of solar energy and simple function heat pump techniques, and all only utilizes this single source of solar energy, does not consider the compound scheme of utilizing of many thermals source.And solar energy is a kind of intermittent energy, and can't directly utilize overcast and rainy and evening, and the solar heat pump of single source simple function certainly will have influence on the service efficiency of solar heat pump.
(2) two thermal source solar energy heat pump systems: Chinese patent 02117298.6 discloses a kind of solar heat pump air conditioner system and solar energy+air-source heat pump air conditioning system, and this system is at the outdoor circulation side of the heat pump solar heat exchanger of having connected; Patent 200610050285.5 discloses multifunctional solar-assisted heat pump system, refrigeration connected in the heat pump cycle and carried out the heat exchange coil of heat exchange with solar water, can be respectively during heat pump work or utilize air heat source and solar source simultaneously; Patent 200420019167.4 discloses solar heat pump water household which owns machines for production formula central air-conditioning, and this system is solar heat exchanger in parallel on the air cooling heat exchanger of outside; Patent 200610114393.4 discloses a kind of air source and solar energy can switch the multifunctional solar heat pump of use, can switch use during heat pump work in air heat source and solar source.The main feature of above-mentioned solar energy heat pump system has been the solar heat exchanger of having connected with parallel connection, though solar heat pump can adopt two kinds of thermals source, but all need to increase extra solar heat exchanger, the complexity and the equipment investment of system have been increased, and the parallel connection type solar heat pump is carried out two kinds of thermals source and is switched use, can not adopt two kinds of thermals source of air and solar energy simultaneously.
Summary of the invention
The objective of the invention is at existing weak point in the above-mentioned prior art, on the basis of the mature technology that makes full use of existing air source heat pump and solar water thermal-arrest, provide a kind of air efficiently-solar energy double heat source synchronization composite heat pump device.
Purpose of the present invention can realize by following technique measures:
Air of the present invention-solar energy double heat source synchronization composite heat pump device comprises compressor, fin sleeve pipe composite heat exchanger, user side heat exchanger, solar thermal collector, hot water storage tank, water supply tank, first mao of water circulating pump, second water circulating pump, first capillary, second capillary, check valve, four-way change-over valve, heat exchange coil and connecting line and valve; Wherein the delivery port of solar thermal collector is connected with heat exchange coil water inlet in the water supply tank with hot water storage tank respectively; The heat exchange coil delivery port in the water supply tank and the lower outlet of hot water storage tank insert first water circulating pump by valve respectively, are connected with the water inlet of solar thermal collector through this water circulating pump; First water circulating pump inserts the water inlet of solar thermal collector; The mouth of a river next time of hot water storage tank is connected by a kind of medium (liquid heat source) passage mouth of pipe in the two media passage that is made of inside and outside sleeve pipe in second circulating pump and the fin sleeve pipe composite heat exchanger, and another mouth of pipe of this medium channel inserts respectively by valve and is connected second circulating pump and the hot water storage tank delivery port of the water return pipeline between the mouth of a river and hot water storage tank side top next time; A mouth of pipe of the another kind of medium in the described two media passage (heat pump working media) passage is connected with a mouth of pipe of user side heat exchanger by four-way change-over valve, compressor, and another mouth of pipe of this medium channel inserts another mouth of pipe of user side heat exchanger by first capillary, second capillary, check valve.
The fin that the sleeve pipe of fin described in the present invention composite heat exchanger is drawn together outer tube, is installed on the inner sleeve in the outer tube tube chamber and combines with the outer tube outer wall; Described inner sleeve external diameter is less than the aperture of outer tube, and constitutes a kind of medium (heat pump working media) passage by the ring-like space between inner sleeve outer wall and the outer sleeve inner wall, and the tube chamber of inner sleeve constitutes another kind of medium (liquid heat source) passage; Constitute the third medium (gaseous state thermal source) passage between outer tube outer wall and the fin.
Be simplified processing process, reduction manufacturing cost, the sleeve pipe of fin described in the present invention composite heat exchanger also can adopt following frame mode to realize: in the common bending place of inside and outside sleeve pipe, the ∩ shape bending end of inner sleeve passes outer tube ∩ shape bending end tube wall, and places outside the outer tube ∩ shape bending end.
The operation principle of the fin sleeve pipe composite heat exchanger among the present invention is as follows: this heat exchanger has constituted interior pipe from inside to outside, between the inner and outer pipes, three passages between outer tube and fin, wherein inner pipe passway is walked the liquid heat source medium, ring-like passage between the inner and outer pipes pump work medium that becomes popular, passage is walked gaseous state thermal source medium between outer tube outer wall and fin, between the inner and outer pipes heat pump working media can be separately and interior pipe liquid heat source medium or separately and the gaseous state thermal source between outer tube outer wall and fin carry out heat exchange, or simultaneously and interior pipe liquid heat source medium and and outer tube outer wall and fin between gaseous state thermal source medium carry out heat exchange, realize gas-synchronous composite heat-exchange of liquid double source.
Because technical scheme of the present invention is with solar energy heating, the accumulation of heat part is gentle-and two ones of liquid double heat source synchronization composite solar heat pumps have carried out scientific and reasonable combination, and gaseous state thermal source heat exchanger and liquid heat source heat exchanger united two into one, be designed to the fin sleeve pipe composite heat exchanger of integral structure, whole system is greatly simplified, when carrying out heat pump cycle, fin sleeve pipe composite heat exchanger (as evaporimeter) both can utilize air source and solar low-temperature heating agent as source heat pump heat simultaneously, can utilize air source or solar low-temperature hot water as source heat pump heat again separately.This system also can realize storing daytime solar energy heating amount heat pump and use night, and solve solar energy and have intermittence, the problem that can't directly utilize night, thus fully improve heat pump operating efficiency in winter.
The present invention has following advantage compared to existing technology: (1) can utilize solar energy and two kinds of huge renewable and clean energy resources of stock number of air simultaneously, and its range of application is very extensive, not limited by weather conditions and water condition; (2) only using a heat exchanger---fin sleeve pipe composite heat exchanger can be realized obtaining heat simultaneously from the solar heat water and air, in heating performance coefficient COP that makes source pump and the obvious raising of operation stability, system is formed more simplify; (3) the solar heat water loops can realize the low temperature thermal-arrest of solar thermal collector as the low-temperature heat source of heat pump air conditioner evaporimeter, and the hot water temperature is generally 20～30 ℃, and the heat collector collecting efficiency improves, and radiation loss is little.
Gas of the present invention-liquid double heat source synchronization composite solar heat pump can be widely used in civil buildings, public building, villa buildings etc., and all can adopt the place of air source heat pump.
Description of drawings
Fig. 1 is a structure principle chart of the present invention.
Fig. 2 is a fin sleeve pipe composite heat exchanger structure principle chart among Fig. 1.
Fig. 3, Fig. 4 are respectively the left and right view of Fig. 2.
Fig. 5 is second kind of embodiment of fin sleeve pipe composite heat exchanger among Fig. 1.
Fig. 6, Fig. 7 are respectively the left and right view of Fig. 5.
Fig. 8 installs around the structure chart of formula fin for fin sleeve pipe composite heat exchanger.
Fig. 9, Figure 10 are respectively the left and right view of Fig. 8.
Sequence number among the figure: 1 compressor, 2 fins-sleeve pipe composite heat exchanger, 3 user side heat exchangers, 4 solar thermal collectors, 5 hot water storage tanks, 6 water supply tanks, 7 first water circulating pumps, 8 second water circulating pumps, 9,10,11,12, for being connected the valve between pipeline, 13 first capillaries, 14 second capillaries, 15 check valves, 16 four-way change-over valves, 17 heat exchange coils, the liquid heat source medium channel that 18 interior pipe tube chambers constitute, the heat pump working media passage that ring-like space between 19 inner and outer pipes constitutes, 20 fins and outer tube outer surface constitute gaseous state thermal source medium channel, 21 fins, 22 outer tubes, 23 inner sleeves, 24 blower fans.
The specific embodiment
The present invention is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, air of the present invention-solar energy double heat source synchronization composite heat pump device comprise solar energy heating, accumulation of heat part gentle-liquid double heat source synchronization composite solar heat pump part, wherein solar energy heating, heat storage unit branch comprise solar thermal collector 4, hot water storage tank 5, water supply tank 6 and heat exchange coil 17, first water circulating pump, 7, the second water circulating pumps 8 and connecting line, valve are formed; Gas-liquid double heat source synchronization composite solar heat pump partly comprises compressor 1, fin sleeve pipe composite heat exchanger 2, user side heat exchanger 3, the first capillaries 13, the second capillaries 14, check valve 15, four-way change-over valve 16, compositions such as connecting line and valve.Concrete annexation between its each parts is as follows: the delivery port of solar thermal collector 4 is connected with heat exchange coil 17 water inlets in the water supply tank 6 with hot water storage tank 5 respectively; The lower outlet of the heat exchange coil delivery port in the water supply tank 6 inserts water circulating pump 7 by valve, is connected through the water inlet of water circulating pump 7 with solar thermal collector 4; The lower outlet of hot water storage tank 5 inserts the water inlet of solar thermal collector 4 by valve 12, water circulating pump 7, the mouth of a river next time of hot water storage tank 5 is connected by liquid heat source medium channel 18 mouths of pipe in the two media passage that is made of inside and outside sleeve pipe in circulating pump 8 and the fin sleeve pipe composite heat exchanger 2, and another mouth of pipe of this passage inserts respectively by valve 9,10 and is connected circulating pump 8 and hot water storage tank 5 delivery port of the water return pipeline between the mouth of a river and hot water storage tank 5 sides top next time; A mouth of pipe of the heat pump working media passage 19 in the described two media passage is connected with a mouth of pipe of user side heat exchanger 3 by four-way change-over valve 16, compressor 1, and another mouth of pipe of this passage inserts another mouth of pipe of user side heat exchanger 3 by first capillary 13, second capillary 14, check valve 15.
Solar thermal collector 5 among the present invention can be selected full glass vacuum tube type solar heat collector or flat plate solar collector, and collector area is determined according to heat pump watt level and installation ground solar radiation condition.Solar thermal collector 5 can place roof or balcony, and hot water storage tank 5 and water supply tank 6 are made by steel plate or other stiff materials, can place indoor or outdoors.Arrange electric heating device in the water supply tank 6, thereby guarantee domestic hot-water's supply water temperature.Solar energy heating, hold over system among the present invention is outdoor, heating agent and the heat storage medium in the hot water storage tank 5 in the interior conduit can be water or other anti-icing fluid.Heat exchange coil 17 has high coefficient of heat transfer coil pipe for copper tube or other in the water supply tank 6.
Compressor 1 optional invariable frequency compressor or frequency-changeable compressor among the present invention can use existing working medium commonly used and novel environment friendly working medium to do refrigerant.
As Fig. 2, Fig. 3, shown in Figure 4, the sleeve pipe of fin described in the present invention composite heat exchanger 2 comprises housing, be positioned at the blower fan 24 and the heat exchanger body of housing, described heat exchanger body comprises with the outer tube 22 of S shape coiling, the fin 21 that is installed on the inner sleeve 23 in the outer tube tube chamber and combines with the outer tube outer wall; Described inner sleeve external diameter is less than the aperture of outer tube, and constitute heat pump working media passage 19 by the ring-like space between inner sleeve outer wall and the outer sleeve inner wall, the tube chamber of inner sleeve constitutes liquid heat source medium channel 18, and fin 21 constitutes gaseous state thermal source passage 20 with the outer tube outer wall.When independent and the heat exchange of gaseous state thermal source, closing passage 18 is opened blower fan 24, and heat pump working media and gaseous state thermals source in the passage 19 carry out heat exchange.When independent and liquid heat source heat exchange, close blower fan 24, the liquid heat source medium in heat pump working media in the passage 19 and the passage 18 carries out heat exchange.When needs during with liquid and the heat exchange simultaneously of gaseous state thermal source, open channel 18 is opened blower fan 24, and the heat pump working media in the passage 19 and passage 18 interior liquid heat source medium and passage 20 interior gaseous state thermal source passages carry out heat exchange simultaneously.
The combination of fin and outer tube also can adopt Fig. 8, Fig. 9, surface shown in Figure 10 to install around the frame mode of fin except that adopting structure shown in Figure 1 among the present invention.
Be simplified processing process, reduction manufacturing cost, fin sleeve pipe composite heat exchanger 2 of the present invention can adopt Fig. 5, Fig. 6, frame mode shown in Figure 7 to realize: promptly in the common bending place of inside and outside sleeve pipe, the ∩ shape bending end of inner sleeve passes outer tube ∩ shape bending end tube wall, and places outside the outer tube ∩ shape bending end.The structure of its operation principle and other parts all is same as Fig. 2, Fig. 3, technical scheme shown in Figure 4.
Workflow of the present invention is as follows:
(1) heat pump mode of operation
Divide two kinds of methods of operation to carry out work under this pattern.
A, accumulation of heat, heat supply synchronous operation: the accumulation of heat on one side of solar heat-preservation system, to heat pump provide part heat assisted heat pump system heating operation on one side.
Valve 11 is closed, valve 9, valve 10, valve 12 is opened, heating agent (water or antifreezing agent) enters hot water storage tank 5 after solar thermal collector 4 heating, improve heat medium temperature in the hot water storage tank 5, and a part of heating agent is through valve 12 in the hot water storage tank 5, water circulating pump 7 reenters solar thermal collector 4 and is heated and enters next round circulation, and another part heating agent enters fin sleeve pipe composite heat exchanger 2 release heat assisted heat pump heating operations through valve 10 in the hot water storage tank 5.
Cold-producing medium is by compressor 1 compression, through four-way change-over valve 16 to user side heat exchanger 3 after indoor release heat, through capillary 14, enter fin sleeve pipe composite heat exchanger 2 after capillary 13 throttlings and absorb and enter compressor behind the heat and heating agent heat in the air and enter next circulation.Enter fin sleeve pipe composite heat exchanger 2 heat medium temperatures by valve 9 control adjustment, when the heat medium temperature in the hot water storage tank 5 is higher, open big valve 9, when the heat medium temperature in the hot water storage tank 5 is low, close minor valve 9, until valve-off 9.The aperture of valve 9 is by entering heat medium temperature in the fin sleeve pipe composite heat exchanger 2 a little more than outdoor air, and heating agent is not as the criterion to the outdoor air distribute heat by fin sleeve pipe composite heat exchanger 2.
B, accumulation of heat, heat supply move step by step: the accumulation of heat on daytime of solar heat-preservation system, provide main heat or part heat to guarantee heat pump normal heat supply running to heat pump night.Heat pump daytime is that thermal source carries out work with the air, and carry out with solar water, two kinds of compound heat supplies of thermal source of air night.
Daytime, valve 11, valve 9, valve 10 is closed, and valve 12 is opened, and heating agent (water or antifreezing agent) enters hot water storage tank 5 after solar thermal collector 4 heating, behind the heat medium temperature, through valve 12, water circulating pump 7 loops back solar thermal collector and further heats in the raising hot water storage tank 5.Cold-producing medium is by compressor 1 compression, through four-way change-over valve 16 to user side heat exchanger 3 after indoor release heat, through capillary 14, enter fin sleeve pipe composite heat exchanger 2 after capillary 13 throttlings and absorb and enter compressor behind the heat in the air and enter next circulation.
Night, valve 11, valve 12 is closed, valve 9, valve 10 is opened, and solar thermal collection system quits work.Cold-producing medium is by compressor 1 compression, through four-way change-over valve 16 to user side heat exchanger 3 after indoor release heat, through capillary 14, enter fin sleeve pipe composite heat exchanger 2 after capillary 13 throttlings and absorb and enter compressor behind the heat and heating agent heat in the air and enter next circulation.Enter fin sleeve pipe composite heat exchanger 2 heat medium temperatures by valve 9 control adjustment, when the heat medium temperature in the hot water storage tank 5 is higher, open big valve 9, when the heat medium temperature in the hot water storage tank 5 is low, close minor valve 9, until valve-off 9.The aperture of valve 9 is by entering heat medium temperature in the fin sleeve pipe composite heat exchanger 2 a little more than outdoor air, and heating agent is not as the criterion to the outdoor air distribute heat by fin sleeve pipe composite heat exchanger 2.
(2) refrigeration work pattern.
Form by kind of refrigeration cycle and two independent loops of solar energy domestic hot-water supply circulation respectively under this pattern:
A. refrigerating operaton:
Valve 9, valve 10 is closed, cold-producing medium is by compressor 1 compression, through four-way change-over valve 16 to fin sleeve pipe composite heat exchanger 2 release heat, through capillary 13, behind the laggard access customer side of check valve 15 throttlings heat exchanger 3 and the indoor air convection released cold quantity, refrigerant enters compressor and proceeds periodic duty.
B. solar-heating water:
Valve 12 is closed, water circulating pump 7 is opened, heating agent (water or antifreezing agent) enters the coil pipe 17 in the water supply tank 6 after solar thermal collector 4 heating, after water carries out heat exchange in coil pipe 17 and water supply tank 6, get back to solar thermal collector 4 through water circulating pump 7 and enter the next round circulation, make that water temperature constantly raises in the water supply tank 6, reach domestic hot-water's temperature.
Claims (5)
1, a kind of air-solar energy double heat source synchronization composite heat pump device is characterized in that: this device comprises compressor (1), fin sleeve pipe composite heat exchanger (2), user side heat exchanger (3), solar thermal collector (4), hot water storage tank (5), water supply tank (6), first water circulating pump (7), second water circulating pump (8), first capillary (13), second capillary (14), check valve (15), four-way change-over valve (16), heat exchange coil (17) and connecting line and valve; Wherein the delivery port of solar thermal collector (4) is connected with heat exchange coil (17) water inlet in the water supply tank (6) with hot water storage tank (5) respectively; The lower outlet of heat exchange coil delivery port in the water supply tank (6) and hot water storage tank (5) inserts water circulating pump (7) by the 3rd valve (11), the 4th valve (12) respectively, is connected through the water inlet of water circulating pump (7) with solar thermal collector (4); The mouth of a river next time of hot water storage tank (5) is connected by a mouth of pipe of a kind of medium channel in the two media passage that is made of inside and outside sleeve pipe in circulating pump (8) and the fin sleeve pipe composite heat exchanger (2), and another mouth of pipe of this passage inserts respectively by first valve (9), second valve (10) and is connected circulating pump (8) and hot water storage tank (5) delivery port of the water return pipeline between the mouth of a river and hot water storage tank (5) side top next time; A mouth of pipe of the another kind of medium channel in the described two media passage is connected with a mouth of pipe of user side heat exchanger (3) by four-way change-over valve (16), compressor (1), and another mouth of pipe of this passage inserts another mouth of pipe of user side heat exchanger (3) by first capillary (13), second capillary (14), check valve (15).
2, air according to claim 1-solar energy double heat source synchronization composite heat pump device is characterized in that: the fin (21) that described fin sleeve pipe composite heat exchanger (2) comprises outer tube (22), is installed on the inner sleeve (23) in the outer tube tube chamber and combines with the outer tube outer wall; Described inner sleeve external diameter is less than the aperture of outer tube, and constitutes a kind of medium channel (19) by the ring-like space between inner sleeve outer wall and the outer sleeve inner wall, and the tube chamber of inner sleeve constitutes another kind of medium channel (18); Constitute the third medium channel (20) between outer tube outer wall and the fin.
3, air according to claim 2-solar energy double heat source synchronization composite heat pump device, it is characterized in that: common bending place in inside and outside sleeve pipe (23,22), the ∩ shape bending end of inner sleeve passes outer tube ∩ shape bending end tube wall, and places outside the outer tube ∩ shape bending end.
4, air according to claim 2-solar energy double heat source synchronization composite heat pump device is characterized in that: the fin (4) on outer tube (5) outer wall of fin sleeve pipe composite heat exchanger (2) adopts the nest plate type structure.
5, air according to claim 2-solar energy double heat source synchronization composite heat pump device is characterized in that: the fin (4) on outer tube (5) outer wall of fin sleeve pipe composite heat exchanger (2) adopts around slice structure.
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| CN 200710054878 CN100487343C (en) | 2007-08-01 | 2007-08-01 | Air- solar energy double heat source synchronous composite type heat pump device |
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| CN 200710054878 CN100487343C (en) | 2007-08-01 | 2007-08-01 | Air- solar energy double heat source synchronous composite type heat pump device |
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| CN100487343C true CN100487343C (en) | 2009-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110469896A (en) * | 2019-07-29 | 2019-11-19 | 合肥中南光电有限公司 | A kind of solar air source hybrid system |
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| CN101581516B (en) * | 2009-06-23 | 2010-09-15 | 东南大学 | Solar auxiliary air source heat pump device capable of realizing multimode operation |
| CN102384523A (en) * | 2011-11-08 | 2012-03-21 | 重庆钢铁(集团)有限责任公司 | Combination hot water system for solar air source heat pump |
| CN102589070B (en) * | 2012-02-23 | 2016-12-14 | 姜衍礼 | A kind of solar air source heat pumps hot water air-conditioning system |
| CN103353187B (en) * | 2013-06-21 | 2015-07-29 | 浙江理工大学 | Sleeve pipe finned heat exchanger hot-water air-conditioning equipment |
| CN105627623A (en) * | 2014-10-29 | 2016-06-01 | 上海华恩利热能机器股份有限公司 | Novel solar energy-air energy combined heat pump cold-heat combined supply unit |
| CN104595961A (en) * | 2014-12-18 | 2015-05-06 | 河北科莱冷暖工程有限公司 | Solar air double-heat-source multifunctional floor heating system |
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| CN108534357A (en) * | 2018-04-20 | 2018-09-14 | 广州骊阳能源科技有限公司 | A kind of high-efficiency and energy-saving type air-source air-heater supported in low temperature environment steady operation |
| CN110160115A (en) * | 2019-05-07 | 2019-08-23 | 天普新能源科技有限公司 | Double-source heat pump system |
| CN113719883A (en) * | 2021-08-24 | 2021-11-30 | 上海工程技术大学 | Energy-saving system for heating by using solar heat pump |
| CN115235145A (en) * | 2022-07-21 | 2022-10-25 | 北京工业大学 | Heat pump system with sleeve pipe fin type heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469896A (en) * | 2019-07-29 | 2019-11-19 | 合肥中南光电有限公司 | A kind of solar air source hybrid system |
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