CN101498528B - Building integrated solar air source heat pump unit - Google Patents
Building integrated solar air source heat pump unit Download PDFInfo
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- CN101498528B CN101498528B CN2009100281428A CN200910028142A CN101498528B CN 101498528 B CN101498528 B CN 101498528B CN 2009100281428 A CN2009100281428 A CN 2009100281428A CN 200910028142 A CN200910028142 A CN 200910028142A CN 101498528 B CN101498528 B CN 101498528B
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to a solar air source heat pump unit capable of realizing building integration, which comprises a refrigerant circulation loop and a solar energy cold and hot water loop; wherein in the refrigerant circulation loop, the output end of a compressor (1) is divided into two ways, one way is connected with a first input end (2a) of a four-way valve, and the other way is connected with the output end (3b) of a first heat exchanger through a defrosting electromagnetic valve (28) and a defrosting throttle valve (29); in the solar energy cold and hot water loop, a cold and hot water return end is divided into three ways: one way is connected with the input end of a seventh electromagnetic valve (23) through a sixth electromagnetic valve (22); the second way is connected with a second input end (12c) of a second heat exchanger through a first electromagnetic valve (14); the third way is divided into two ways again after being combined with the second output end (12d) of the second heat exchanger through a second electromagnetic valve (15). The invention can realize seamless abutting joint of solar energy and an air source heat pump, and completely solves the problems of the intermittence and the instability of solar energy heating supply.
Description
Technical field
The present invention relates to a kind of solar energy and air source heat pump be organically combined, realize the integrated of the efficient utilization of solar energy and building, the device of heating is provided for building.The technical field that belongs to solar energy utilization, refrigerated air-conditioning system design and make.
Background technology
Along with the progressively exhaustion of fossil energy, energy problem has become the main restriction that the global economy development faces.In the face of severe energy situation, develop the main path that becomes alleviating energy crisis with regenerative resources such as efficiently utilizing solar energy.Along with the raising of expanding economy and people's living standard, building energy consumption has accounted for more than 30% of whole society's total energy consumption, and is increasing with fast speeds.Solar energy application under construction at present mainly concentrates on solar water heater, for building provides the domestic hot-water.Less because of the proportion that domestic hot-water's energy consumption accounts in building energy consumption, the Application of Solar Energy of this mode, utilization ratio are not high.And in building energy consumption air-conditioning summer refrigeration, the shared proportion maximum of winter heating, if can this will be significant to the energy-saving and emission-reduction of China in the building heat supply in winter with Application of Solar Energy efficiently.
Solar energy has characteristics such as intermittent and unstability, and these characteristics make the large-scale application of solar energy be subjected to severely restricts.Air source heat pump has use flexibly, can freeze, heat simultaneously energy-efficient advantage, air source heat pump and solar energy if can be combined, and jointly to building heating, can remedy the deficiency of solar energy.But there is the defrosting problem in air source heat pump when heating in the winter time, and the quality of its Defrost mode is having a strong impact on heating performance, security reliability and the life-span of air source heat pump.Realize integrated with the utilization of solar energy and building simultaneously, this plays important impetus to solar energy applying under construction.
Therefore, how solar energy and air source heat pump are combined, resolve the air source heat pump winter heating defrosting problem in when operation, realize the integrated of the efficient utilization of solar energy and building, become the technical barrier that those skilled in the art press for solution.
Summary of the invention
Technical problem: the objective of the invention is solar energy and air source heat pump are combined, solve the defrosting problem of air source heat pump heating operation, the problem such as integrated of the efficient utilization that realizes solar energy and building is developed realization building integrated solar air source source pump.
Technical scheme: a kind of realization building integrated solar air source source pump of the present invention comprises refrigerant circulation loop, solar cold hot-water return; Wherein in the refrigerant circulation loop, the output of compressor divides two-way, one the tunnel connects the cross valve first input end, lead up to the defrosting magnetic valve in addition, the defrosting choke valve connects the first heat exchanger output, the cross valve first output termination first heat exchanger input, the first heat exchanger output connects the input of reservoir by first check valve, the second heat exchanger first input end connects the input of reservoir by second check valve, the output of reservoir passes through filter, liquid supply electromagnetic valve, electric expansion valve connects the input of the 4th check valve and the 3rd check valve, the output termination second heat exchanger first input end of the 4th check valve, the output termination first heat exchanger output of the 3rd check valve, second heat exchanger, the first output termination cross valve, second input, the cross valve second output termination gas-liquid separator input, the input of gas-liquid separator output termination compressor;
In the solar cold hot-water return, be divided into three the tunnel after hot and cold water backwater end is returned: the 6th magnetic valve of leading up to connects the input of the 7th magnetic valve; The second the tunnel connects second heat exchanger, second input by first magnetic valve; Third Road divides two-way after merging by second magnetic valve and second heat exchanger, second output again, the 4th magnetic valve of leading up to connects the solar thermal collector input, the solar thermal collector output connects the input of hot water tank by the 5th magnetic valve, another road also connects the input of hot water tank by the 3rd magnetic valve, the output water pump inlet of hot water tank, exit of pump connects the hot and cold water output by the 7th magnetic valve.
Described second heat exchanger and solar thermal collector tandem working.Be connected to defrosting magnetic valve and defrosting choke valve at the compressor outlet and the first heat exchanger output, the choke valve that wherein defrosts is for adjusting the choke valve of aperture.In the solar cold hot-water return, constitute valve sets, realize freely switching of air source heat pump and solar thermal collector by first magnetic valve, second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve.Compressor is a variable displacement compressor.At the first heat exchanger input first pressure sensor and the three-temperature sensor of experiencing the fin surface temperature are housed.
The present invention realizes building integrated solar air source heat pump heating method specifically: when building needs heating in the winter time, after the hot water (being generally 40 ℃) of returning from the air-conditioning system end enters unit from hot and cold water backwater end, hot water enters in second heat exchanger after through first magnetic valve and carries out heat exchange with cold-producing medium, the heat of absorption refrigeration agent, the hot water temperature raises, hot water enters solar thermal collector through the 4th magnetic valve after second heat exchanger comes out, hot water absorbs solar energy in solar thermal collector, temperature further raises, enter hot water tank through the 5th magnetic valve after coming out from solar thermal collector, hot water is sent to air conditioning terminal from the hot and cold water water side through the 7th magnetic valve under the water pump effect then.In the heating process of whole hot water, air source heat pump plays the effect of series connection with solar thermal collector, and heat pump is preceding, solar thermal collector after, general air conditioning terminal return water temperature is 40 ℃, the unit leaving water temperature is 45 ℃.5 ℃ of temperature rises that hot water produces in unit (45 ℃-40 ℃=5 ℃) are shared by heat pump and solar thermal collector two parts.When there not being the solar time, the 5 ℃ temperature rises of hot water in unit are all born by heat pump; As the solar time, solar thermal collector is born certain hot water temperature rise, then the hot water temperature rise born of heat pump just reduces that (heat pump takes varying capacity to regulate, institute's hot water temperature rise of bearing is more little, the heat pump wasted work is just few more, and the hot water effluent's temperature in second heat exchanger of heat pump reduces simultaneously, and the condensation temperature of heat pump reduces, thereby heat pump efficiency is improved, realizes energy-conservation); When intensity of solar radiation is bigger, in the time of making hot water produce 5 ℃ of temperature rises in solar thermal collector, air source heat pump will quit work, and this moment, the heating-amount of building was all born by solar energy.When moving, unit starting the hot water temperature in the system is heated to more than 40 ℃ by air source heat pump, make hot water enter solar thermal collector again, accept solar energy, the hot water temperature enters air conditioning terminal after raising, and can immediately solar heat be passed to indoor, thereby realize the efficient utilization of solar energy, no matter the size of solar energy intensity can be with the solar energy highly effective utilization that solar thermal collector received, and the utilization of this solar energy does not need to consume other energy (only consuming a small amount of pump merit).
Realize that the scheme that the building integrated solar air source source pump is taked is:
Winter heating's operation: when not having the sun or intensity of solar radiation not enough, refrigerant circulation loop work.Cold-producing medium is sucked the compression back by compressor and discharges, enter second heat exchanger through behind the cross valve, cold-producing medium is emitted the heat condensation therein, the hot water temperature is raise, cold-producing medium is successively through entering in first heat exchanger behind second check valve, reservoir, filter, liquid supply electromagnetic valve, electric expansion valve, the 3rd check valve then, cold-producing medium evaporates the heat that absorbs air therein, fully after the evaporation, flow out from first heat exchanger, once more by cross valve, enter behind the gas-liquid separator by compressor suck, compression circulation once more.When intensity of solar radiation is enough big, when solar thermal collector is enough to make hot water to produce 5 ℃ temperature rise, refrigerant circulation loop (air source heat pump) will quit work.
When the heat radiation that do not have the sun or intensity of solar radiation to be not enough to offset hot water in solar thermal collector, hot water enters second heat exchanger through first magnetic valve in the solar cold hot-water return after hot and cold water backwater end enters unit, hot water in second heat exchanger with the cold-producing medium heat exchange, temperature raises, enter hot water tank (hot water no longer enters solar thermal collector) through the 3rd magnetic valve after hot water comes out from second heat exchanger, hot water is sent from the hot and cold water water side through the 7th magnetic valve after being sucked pressurization by water pump then.
When intensity of solar radiation bigger, but solar thermal collector can not undertake the whole thing again during 5 ℃ of temperature rises of hot water, hot water enters second heat exchanger through first magnetic valve in the solar cold hot-water return after hot and cold water backwater end enters unit, hot water in second heat exchanger with the cold-producing medium heat exchange, temperature raises, hot water enters solar thermal collector through the 4th magnetic valve after second heat exchanger comes out, absorb solar heat, temperature enters hot water tank through the 5th magnetic valve after raising, and hot water is sent from the hot and cold water water side through the 7th magnetic valve after being sucked pressurization by water pump then.
When intensity of solar radiation very big, when solar thermal collector can undertake the whole thing 5 ℃ of temperature rises of hot water, hot water will enter solar thermal collector through second magnetic valve, the 4th magnetic valve respectively in the solar cold hot-water return after hot and cold water backwater end enters unit, absorb solar heat, temperature enters hot water tank through the 5th magnetic valve after raising, and hot water is sent from the hot and cold water water side through the 7th magnetic valve after being sucked pressurization by water pump then.
When winter air source heat pump when the frosting phenomenon occurring than low ambient temperature operation, need to defrost behind the air source heat pump operation certain hour.When heat pump defrosted, in the refrigerant circulation loop, do not commutate in position when cross valve keeps heating, and liquid supply electromagnetic valve is closed.Cold-producing medium is sucked the compression back by compressor and discharges, will be through after defrosting magnetic valve and the throttling of defrosting choke valve, the superheated vapor that becomes low-voltage high-temperature enters first heat exchanger, cold-producing medium carries out heat exchange by frost layer on tube wall and fin and the fin in first heat exchanger, emit heat, melt the frost layer, self temperature reduces, cold-producing medium comes out the back by cross valve from first heat exchanger, enter behind the gas-liquid separator by compressor suck, compression circulation once more.All remove (when three-temperature sensor is experienced the fin temperature and is higher than a certain temperature up to the fin surface of first heat exchanger frost layer, as 10 ℃, think that fin surface frost layer is to eliminate), air source heat pump is opened liquid supply electromagnetic valve then, close the defrosting magnetic valve and finish defrosting, switch back normal heating operation.
Summer is during refrigerating operaton: cold-producing medium is sucked the compression back by compressor and discharges in the refrigerant circulation loop, enter first heat exchanger through behind the cross valve, cold-producing medium therein with the air heat exchange, emit the heat condensation, then successively through entering in second heat exchanger behind first check valve, reservoir, filter, liquid supply electromagnetic valve, electric expansion valve, the 4th check valve, cold-producing medium therein with the chilled water heat exchange, evaporation absorbs heat, produce chilled water, after cold-producing medium evaporates fully once more by cross valve, enter behind the gas-liquid separator by compressor suck, compression circulation once more.Chilled water enters second heat exchanger through first magnetic valve in the solar cold hot-water return after hot and cold water backwater end enters unit, chilled water in second heat exchanger with the cold-producing medium heat exchange, temperature reduces, and then entering hot water tank through the 3rd magnetic valve, chilled water is sent from the hot and cold water water side through the 7th magnetic valve after being sucked pressurization by water pump in the last hot water tank.Solar thermal collector will not worked this moment.
Beneficial effect: the present invention relates to a kind of realization building integrated solar air source source pump, can realize the slitless connection of solar energy and air source heat pump, thoroughly solve the intermittence and the instability problem of solar heating.No matter the size of solar radiation intensity all can utilize solar energy to be building heating efficiently, easily.Take a kind of novel Defrost mode simultaneously, can avoid the various deficiencies of existing air source heat pump inverse defrosting mode.This unit also has compact conformation, is convenient to build the roof and arranges, can realize really realizing the integrated of solar energy and building.
Description of drawings
Fig. 1 is that the present invention realizes building integrated solar air source source pump schematic diagram.
Have among Fig. 1: compressor 1; Cross valve 2; Cross valve first input end 2a; The cross valve first output 2b; The cross valve second input 2c; The cross valve second output 2d; First heat exchanger 3; The first heat exchanger input 3a; The first heat exchanger output 3b; First check valve 4; Second check valve 5; Reservoir 6; Filter 7; Liquid supply electromagnetic valve 8; Electric expansion valve 9; The 3rd check valve 10; The 4th check valve 11; Second heat exchanger 12; The second heat exchanger first input end 12a; Second heat exchanger, the first output 12b; Second heat exchanger, the second input 12c; Second heat exchanger, the second output 12d; Gas-liquid separator 13; First magnetic valve 14; Second magnetic valve 15; The 3rd magnetic valve 16; The 4th magnetic valve 17; Solar thermal collector 18; The 5th magnetic valve 19; Hot water tank 20; Water pump 21; The 6th magnetic valve 22; The 7th magnetic valve 23; First temperature sensor 24; Second temperature sensor 25; Three-temperature sensor 26; First pressure sensor 27; Defrosting magnetic valve 28; Defrosting choke valve 29.
The specific embodiment
1 further specify the specific embodiment of the present invention in conjunction with the accompanying drawings, the present invention realizes that the building integrated solar air source source pump comprises refrigerant circulation loop, solar cold hot-water return two parts.Concrete method of attachment is: divide two-way after compressor 1 output comes out, one the tunnel meets cross valve first input end 2a, lead up in addition the defrosting magnetic valve 28, defrosting choke valve 29 meets the first heat exchanger output 3b, the cross valve first output 2b meets the first heat exchanger input 3a, the first heat exchanger output 3b connects reservoir 6 inputs by first check valve 4, the first heat exchanger output 3b is also by first check valve 4 simultaneously, second check valve 5 meets the second heat exchanger first input end 12a, the output of reservoir 6 is by filter 7, liquid supply electromagnetic valve 8 connects electric expansion valve 9 inputs, the output of electric expansion valve 9 meets the second heat exchanger first input end 12a by the 4th check valve 11, electric expansion valve 9 outputs also meet the first heat exchanger output 3b by the 3rd check valve 10 simultaneously, second heat exchanger, the first output 12b meets the cross valve second input 2c, the cross valve second output 2d connects gas-liquid separator 13 inputs, the input of the output termination compressor 1 of gas-liquid separator 13; Hot and cold water backwater end is divided into three the tunnel: the first via is by 21 outlets of the 6th magnetic valve 22 water pumps; The second the tunnel meets second heat exchanger, the second input 12c by first magnetic valve 14, Third Road merges by second magnetic valve 15 and second heat exchanger, the second output 12d, two-way is divided into two-way again after merging, the 4th magnetic valve 17 of leading up to connects solar thermal collector 18 inputs, and solar thermal collector 18 outputs connect hot water tank 20 inputs by the 5th magnetic valve 19; The 3rd magnetic valve 16 of leading up in addition also connects hot water tank 20 inputs, output water pump 21 inlets of hot water tank 20, and water pump 21 outlets connect the hot and cold water output through the 7th magnetic valve 23.
In the hot and cold water water side first temperature sensor 24 is housed, second temperature sensor 25 is housed at hot and cold water backwater end.At the first heat exchanger input 3a place first pressure sensor 27 is housed, on the fin at the first heat exchanger input 3a place, three-temperature sensor 26 is housed, experience the fin surface temperature.
The operation of unit winter heating: when not having the sun or intensity of solar radiation not enough, refrigerant circulation loop work.Cold-producing medium is sucked the compression back by compressor 1 and discharges, through entering second heat exchanger 12 (magnetic valve 28 that defrosts this moment cuts out) behind the cross valve 2, cold-producing medium is emitted the heat condensation therein, produce hot water, then successively through entering in first heat exchanger 3 behind second check valve 5, reservoir 6, filter 7, liquid supply electromagnetic valve 8, electric expansion valve 9, the 3rd check valve 10, cold-producing medium evaporates the absorption heat therein, and then, enter gas-liquid separator 13 backs and sucked, compress circulation once more by compressor 1 by cross valve 2.When intensity of solar radiation is enough big, when solar thermal collector 18 is enough to bear 5 ℃ of temperature rises of hot water, refrigerant circulation loop will quit work.
When the heat radiation that do not have the sun or intensity of solar radiation to be not enough to offset hot water in solar thermal collector 18, hot water enters behind the unit through first magnetic valve 14 from hot and cold water backwater end and enters second heat exchanger 12 (this moment the 6th magnetic valve 22 in the solar cold hot-water return, second magnetic valve 15 cuts out), hot water in second heat exchanger 12 with the cold-producing medium heat exchange, the hot water temperature raises, enter hot water tank 20 (this moment the 4th magnetic valve 17 through the 3rd magnetic valve 16 after coming out from second heat exchanger 12, the 5th magnetic valve 19 cuts out), hot water is sent from the hot and cold water water side through the 7th magnetic valve 23 after being sucked pressurization by water pump 21 then.
When intensity of solar radiation bigger, but solar thermal collector 18 can not undertake the whole thing again during 5 ℃ of temperature rises of hot water, hot water enters behind the unit through first magnetic valve 14 from hot and cold water backwater end and enters second heat exchanger 12 (this moment the 6th magnetic valve 22 in the solar cold hot-water return, second magnetic valve 15 cuts out), hot water in second heat exchanger 12 with the cold-producing medium heat exchange, the hot water temperature raises, enter solar thermal collector 18 (this moment, the 3rd magnetic valve 16 cut out) through the 4th magnetic valve 17 after coming out from second heat exchanger 12, absorb solar heat, the hot water temperature enters hot water tank 20 through the 5th magnetic valve 19 after raising, and hot water is sent from the hot and cold water water side by the 7th magnetic valve 23 after being sucked pressurization by water pump 21 then.
When intensity of solar radiation very big, when solar thermal collector 18 can undertake the whole thing 5 ℃ of temperature rises of hot water, the 6th magnetic valve 22, first magnetic valve 14, the 3rd magnetic valve 16 are closed, hot water will enter solar thermal collector 18 through second magnetic valve 15, the 4th magnetic valve 17 respectively in the solar cold hot-water return after hot and cold water backwater end enters unit, absorb solar heat, temperature enters hot water tank 20 through the 5th magnetic valve 19 after raising, and hot water is sent from the hot and cold water water side through the 7th magnetic valve 23 after being sucked pressurization by water pump 21 then.
When winter air source heat pump when the frosting phenomenon occurring than low ambient temperature operation, need to defrost behind the air source heat pump operation certain hour.When heat pump defrosted, in the refrigerant circulation loop, do not commutate in position when cross valve 2 keeps heating, and liquid supply electromagnetic valve 8 is closed, and defrosting magnetic valve 28 is opened.Cold-producing medium is sucked the compression back by compressor 1 and discharges, through the 29 throttling step-downs of defrosting magnetic valve 28 back quilt defrosting choke valves, the superheated vapor that becomes low-voltage high-temperature enters first heat exchanger 3, cold-producing medium carries out heat exchange by frost layer on tube wall and fin and the fin in first heat exchanger 3, emit heat, melt the frost layer, self temperature reduces, cold-producing medium comes out the back by cross valve 2 from first heat exchanger 3, enters gas-liquid separator 13 backs and is sucked, compresses circulation once more by compressor 1.All remove (when three-temperature sensor 26 is experienced the fin temperature and is higher than a certain temperature up to the fin surface of first heat exchanger 3 frost layer, as 10 ℃, think that fin surface frost layer is to eliminate), air source heat pump is opened liquid supply electromagnetic valve 8 then, close defrosting magnetic valve 28 and finish defrosting, switch back normal heating operation.Running status when this moment, the solar cold hot-water return kept heating.
Summer refrigerating operaton: cold-producing medium is sucked the compression back by compressor 1 and discharges in the refrigerant circulation loop, enter first heat exchanger 3 through behind the cross valve 2, cold-producing medium therein with the air heat exchange, emit the heat condensation, then successively through first check valve 4, reservoir 6, filter 7, liquid supply electromagnetic valve 8, electric expansion valve 9, enter in second heat exchanger 12 behind the 4th check valve 11, cold-producing medium therein with the chilled water heat exchange, evaporation absorbs heat, produce chilled water, cold-producing medium and then by cross valve 2 enters gas-liquid separator 13 backs and is sucked by compressor 1, compression is circulation once more.In the solar cold hot-water return, the 6th magnetic valve 22, second magnetic valve 15, the 4th magnetic valve 17 are closed, chilled water enters second heat exchanger 12 through first magnetic valve 14 after hot and cold water backwater end enters unit, chilled water in second heat exchanger 12 with the cold-producing medium heat exchange, absorption refrigeration agent heat, temperature reduces, and then entering hot water tank 20 through the 3rd magnetic valve 16, chilled water is sent from the hot and cold water water side through the 7th magnetic valve 23 backs after being sucked pressurization by water pump 21 in the last hot water tank 20.Solar thermal collector 18 will not worked this moment.
Claims (6)
1. realize the building integrated solar air source source pump for one kind, it is characterized in that this unit comprises refrigerant circulation loop, solar cold hot-water return; Wherein in the refrigerant circulation loop, the output of compressor (1) divides two-way, one the tunnel connects cross valve first input end (2a), lead up in addition the defrosting magnetic valve (28), defrosting choke valve (29) connects the first heat exchanger output (3b), cross valve first output (2b) connects the first heat exchanger input (3a), the first heat exchanger output (3b) connects the input of reservoir (6) by first check valve (4), the second heat exchanger first input end (12a) connects the input of reservoir (6) by second check valve (5), the output of reservoir (6) is by filter (7), liquid supply electromagnetic valve (8), electric expansion valve (9) connects the input of the 4th check valve (11) and the 3rd check valve (10), the output termination second heat exchanger first input end (12a) of the 4th check valve (11), the output termination first heat exchanger output (3b) of the 3rd check valve (10), second heat exchanger, first output (12b) connects cross valve second input (2c), cross valve second output (2d) connects gas-liquid separator (13) input, the input of gas-liquid separator (13) output termination compressor (1);
In the solar cold hot-water return, be divided into three the tunnel after hot and cold water backwater end is returned: the 6th magnetic valve (22) of leading up to connects the input of the 7th magnetic valve (23); The second the tunnel connects second heat exchanger, second input (12c) by first magnetic valve (14); Third Road divides two-way after merging by second magnetic valve (15) and second heat exchanger, second output (12d) again, the 4th magnetic valve (17) of leading up to connects solar thermal collector (18) input, solar thermal collector (18) output connects the input of hot water tank (20) by the 5th magnetic valve (19), another road also connects the input of hot water tank (20) by the 3rd magnetic valve (16), output water pump (21) inlet of hot water tank (20), water pump (21) outlet connects the hot and cold water output by the 7th magnetic valve (23).
2. realization building integrated solar air source source pump according to claim 1 is characterized in that described second heat exchanger (12) and solar thermal collector (18) tandem working.
3. realization building integrated solar air source source pump according to claim 1, it is characterized in that being connected to defrosting magnetic valve (28) and defrosting choke valve (29) at compressor (1) outlet and the first heat exchanger output (3b), the choke valve (29) that wherein defrosts is for adjusting the choke valve of aperture.
4. realization building integrated solar air source source pump according to claim 1, it is characterized in that, in the solar cold hot-water return, constitute valve sets, realize freely switching of air source heat pump and solar thermal collector (18) by first magnetic valve (14), second magnetic valve (15), the 3rd magnetic valve (16), the 4th magnetic valve (17), the 5th magnetic valve (19).
5. realization building integrated solar air source source pump according to claim 1 is characterized in that compressor (1) is a variable displacement compressor.
6. realization building integrated solar air source source pump according to claim 1 is characterized in that first pressure sensor (27) being housed and experiencing the three-temperature sensor (26) of fin surface temperature at the first heat exchanger input (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100281428A CN101498528B (en) | 2009-01-09 | 2009-01-09 | Building integrated solar air source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100281428A CN101498528B (en) | 2009-01-09 | 2009-01-09 | Building integrated solar air source heat pump unit |
Publications (2)
| Publication Number | Publication Date |
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| CN101498528A CN101498528A (en) | 2009-08-05 |
| CN101498528B true CN101498528B (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100281428A Expired - Fee Related CN101498528B (en) | 2009-01-09 | 2009-01-09 | Building integrated solar air source heat pump unit |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712363B (en) * | 2014-01-13 | 2016-03-02 | 克莱门特捷联制冷设备(上海)有限公司 | The multipurpose defrosting control method of inverse circulating heat pump |
| CN104180459B (en) * | 2014-09-09 | 2017-04-12 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN106895474B (en) * | 2017-03-24 | 2019-04-12 | 东南大学 | A kind of multi-mode solar heat pump cold and hot water supply system |
| CN107726659B (en) * | 2017-09-26 | 2024-01-23 | 杭州恒瑞教学设备有限公司 | Air source heat pump/solar heat pump system installation and debugging practical training assessment device |
| CN111219816A (en) * | 2020-01-08 | 2020-06-02 | 广东纽恩泰新能源科技发展有限公司 | Solar energy and air energy integrated dual-energy heat pump unit |
| CN111156726B (en) * | 2020-02-11 | 2023-11-14 | 扬州大学 | Air source heat pump system based on soil cross-season heat accumulation defrosting and solar intermittent utilization and application method thereof |
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2009
- 2009-01-09 CN CN2009100281428A patent/CN101498528B/en not_active Expired - Fee Related
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