CN206073214U - A kind of solar air source combined heat pump is without water heating system - Google Patents

A kind of solar air source combined heat pump is without water heating system Download PDF

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Publication number
CN206073214U
CN206073214U CN201621065294.7U CN201621065294U CN206073214U CN 206073214 U CN206073214 U CN 206073214U CN 201621065294 U CN201621065294 U CN 201621065294U CN 206073214 U CN206073214 U CN 206073214U
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heating system
heat
vaporizer
air
thermal collector
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CN201621065294.7U
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庄兆意
李永斌
祝琦琦
刁乃仁
方肇洪
孙艳艳
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SHANDONG ZHONGRUI NEW ENERGY TECHNOLOGY CO LTD
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SHANDONG ZHONGRUI NEW ENERGY TECHNOLOGY 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
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/13Hot air central heating systems using heat pumps
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/44Heat exchange systems

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  • Other Air-Conditioning Systems (AREA)

Abstract

The utility model discloses a kind of solar air source combined heat pump is without water heating system, including solar thermal collector and heating system, wherein, solar thermal collector includes several solar energy heat collection pipes, air inlet and gas outlet, solar energy heat collection pipe is distributed between air inlet and gas outlet, adjacent solar energy heat collection pipe is connected by collector, solar thermal collector Inner Constitution gas passage;Heating system includes the vaporizer being interconnected and supplies heat structure;The gas outlet of solar thermal collector is connected with the vaporizer by pipeline, air after being heated by solar thermal collector is exchanged heat with the heating agent in vaporizer, and heating agent receives thermal evaporation, gas to enter compressor after compression, become high-temperature heating agent, by for the external heat supply of heat structure.Outdoor air is first preheated by solar energy air heat collector, is then carried out heat exchange with the cold-producing medium in vaporizer again, not only can be avoided the frosting of vaporizer so that vaporizer has higher heat exchange efficiency.

Description

A kind of solar energy-air source combined heat pump is without water heating system
Technical field
This utility model belongs to architectural environment with energy source use engineering and Heat Supply Engineering technical field, and in particular to Yi Zhongtai Positive energy-air source combined heat pump is without water heating system.
Background technology
Air source heat pump have the advantages that using flexibly, it is energy-conservation, efficient, be adapted to make in public building and residential architecture With.But, with following several shortcomings:When ambient temperature is relatively low, evaporating temperature is relatively low, and the coefficient of performance of system is relatively low, In the case of producing identical heat, energy consumption is larger;On the other hand, outside air temperature is relatively low, easily frosting on an evaporator, often Be reverse cycle defrosting with Defrost method, i.e., commutated by four-way change-over valve, make source pump system is switched to from heating operation mode Cold operation pattern, makes the high temperature heating agent that compressor is ejected flow through vaporizer, to improve evaporator external temperature so that frost layer Melt, during defrosting, not only air can not can be leveraged from indoor absorption heat on the contrary to indoor offer heat The heating effect of source heat pump, so air source heat pump system is northerly using with very big restriction.
The use of solar energy does not have the restriction of region, and total amount is very huge, is a kind of never exhausted clean energy resource.China Vast in territory, with abundant solar energy resources, especially in the western and North China of China, solar energy has huge opening Send out potentiality.But solar energy resources is a kind of radiation energy, it is necessary to change into other energy and could utilize and store.So solar energy Very big challenge is being faced using on as single source.
Floor heating heating is as a kind of novel heating mode, more and more universal in the use of China, but common hot-water heating system System occurs the phenomenon of leak in use, affects attractive in appearance.And water-heating system has necessarily to water quality in use Requirement, water quality is not up to standard easily to there is scale formation, affects to use.
Utility model content
In order to solve technical problem present in above-mentioned prior art, a purpose of the present utility model is to provide one kind too Positive energy-air source combined heat pump is passed through air without water heating system in solar energy air heat collector in the heating system, Air is heated when flowing through the collecting plate in heat collector as the heat-carrying agent in heat collector, the air and evaporation after being heated Refrigerant heat exchanger in device, is floor heating heat supply.The air source heat pump system larger situation of thermic load in the winter time can so be solved The relatively low problem of the evaporimeter frosting and systematic function that occur during lower use, while there is provided a kind of new ground heating system, The heating agent of the ground heating system is not water, but compressor heating agent, compared with the floor heating of other forms, reduce in the middle of once Diabatic process, effectively increases system effectiveness.
Another purpose of the present utility model is to provide one kind using above-mentioned solar energy-air source combined heat pump without hydromining Solar energy heating is effectively bonded together by the method that heating system carries out heating, the heating method with air source heat pump, makes to adopt Heating method has the more preferable efficiency of heating surface and environmental suitability.
In order to solve above technical problem, the technical solution of the utility model is:
A kind of solar energy-air source combined heat pump is without water heating system, including solar thermal collector and heating system, its In,
Solar thermal collector includes several solar energy heat collection pipes, air inlet and gas outlet, and solar energy heat collection pipe is distributed in Between air inlet and gas outlet, adjacent solar energy heat collection pipe is connected by collector, and solar thermal collector Inner Constitution gas leads to Road;
Heating system includes the vaporizer being interconnected and supplies heat structure;
The gas outlet of solar thermal collector is connected with the vaporizer by pipeline, the sky after being heated by solar thermal collector Gas is exchanged heat with the heating agent in vaporizer, and the heating agent after evaporation is heated up after compression, external heat supply.
Solar energy heat collection pipe can be heated to air, and the air after heating is exchanged heat with the heating agent in vaporizer, When can avoid too low air temperature, easily frosting on an evaporator, affect heat exchange efficiency the drawbacks of, while avoiding to vaporizer Damage is produced, is extended the service life of air conditioning system, is made the heating system that there is the wider array of scope of application.
Coil pipe in floor is embedded in equivalent to train condenser, higher temperature heating agent after compression is condensed in coils to be put Heat, realization are transferred to the heat absorbed in air in indoor floor, and floor is heated intensification, to indoor radiant heating, with other The floor heating of form is compared, and is reduced by an intermediate heat process, is effectively increased system effectiveness.
Preferably, collecting plate is provided with the solar energy heat collection pipe, the installation site of collecting plate makes air in solar energy Flow in " S " shape in heat collector.
Collecting plate absorbs solar radiation, and radiation energy is converted into heat energy, air as the heat-carrying agent in heat collector, by entering Air port enters, and is heated when flowing through the surface of collecting plate, and heated air is flowed out by air outlet.Can improve and air is added Thermal effect, the evaporimeter frosting occurred in use in the case of solving air source heat pump system thermic load being larger in the winter time and The relatively low problem of systematic function.
Make air flow in " S " shape in solar thermal collector, the heating path of air can be increased, improve adding for air Thermal effect.
Preferably, blower fan is connected between solar thermal collector and vaporizer.
Blower fan provides power, draws air in solar thermal collector, and the air after heating is transported to vaporizer, with Heating agent in vaporizer is exchanged heat.
It is further preferred that by hose connection between solar thermal collector and blower fan.
Flexible pipe herein is referred to, and bending is produced under the conditions of specified bending radius Internal stress it is less.Due to being vibrations during fan operation, when between blower fan and solar thermal collector by hose connection When, flexible pipe can buffer the vibrations of blower fan, reduce the transmission of blower fan vibrations.
Still more preferably, the material of the flexible pipe is silicon titanium re-glue.Silicon titanium re-glue is a kind of High-performance synthetic material, With high temperature resistant, resistance to ventilative, ageing-resistant performance, and with softness is strong, good toughness advantage.
Preferably, the confession heat structure is buried coil pipe.Buried coil pipe is imbedded under floor, can be supplied as floor heating radiation It is warm.
Preferably, also include gas-liquid separation device and compressor in the heating system, vaporizer, gas-liquid separation device, Compressor and buried coil pipe are sequentially connected.Exchanged heat with the heating agent in vaporizer by the air of solar energy heating, heating agent is heated Gas-liquid separator is flowed through after evaporation, the heating agent of liquid is separated, prevent Wet Compression from damaging to compressor, low-temp low-pressure Gaseous heating medium be compressed the heating agent for becoming High Temperature High Pressure into after compressor, the heating agent of High Temperature High Pressure is entered in buried coil pipe Radiation heat release is carried out, to indoor heating.
Preferably, the downstream of the confession heat structure is provided with reservoir.Heating agent after for the external heat supply of heat structure, heating agent Liquefy after condensation, the heating agent after liquefaction is stored by reservoir, be easy to the subsequent treatment of heating agent and recycle.
It is further preferred that the downstream of the reservoir is provided with filter.
Heating agent perhaps can carry solid particle in flow process, and the presence of solid particle affects subsequently making for heating agent With, using filter to circulate heating agent filter, it is to avoid the expansion valve of clog downstream.
Still more preferably, the downstream of the filter is provided with expansion valve.
Expansion valve is changed into low pressure liquid heating agent highly pressurised liquid heating agent as throttling arrangement, while flow rate of heat medium is controlled, with Just the heating agent into vaporizer fully can evaporate, so as to maximally play the performance of vaporizer.
The method that heating is carried out without water heating system using above-mentioned solar energy-air source combined heat pump, including following step Suddenly:
Introduce air into solar thermal collector to be heated, the air after heating is exchanged heat with the heating agent in vaporizer, Heating agent receives thermal evaporation, is changed into gaseous heating medium, and gaseous heating medium is after compression by externally carrying out heat supply for heat structure.
Preferably, said method also includes air in process of the solar thermal collector in the flowing of " S " shape.
Application of the above-mentioned solar energy-air source combined heat pump without water heating system under construction.
The beneficial effects of the utility model are:
When cooling/heating air conditioner thermic load is larger in the winter time, outdoor air is first preheated by solar energy air heat collector, so Heat exchange is carried out with the cold-producing medium in vaporizer again afterwards, the frosting of vaporizer not only can be so avoided so that vaporizer There are higher heat exchange efficiency, and the intermitten service of the source pump that can also avoid bringing because of evaporimeter frosting.Meanwhile, evaporation The rising of temperature can also improve the working environment of compressor, improve the performance of source pump.
Heating system in this utility model is anhydrous ground heating system, solves the easy scale effect radiating of water-heating system Problem, and system simplification, reduce installation cost, and interior need not be reserved the position of machine room, save space.
Solar thermal collector is vacuum tube air collector, and vacuum tube air collector has that the thermal efficiency is high, service life It is long, radiate little, high insulating effect and strong freezing tolerance the advantages of.
Description of the drawings
System principle structural representations of the Fig. 1 for this utility model embodiment;
Fig. 2 is air flow schematic diagram in this utility model solar energy air heat collector.
In figure, 1, solar thermal collector, 2, flexible pipe, 3, blower fan, 4, vaporizer, 5, gas-liquid separator, 6, compressor, 7, Bury coil pipe, 8, reservoir, 9, filter, 10, expansion valve, 11, thermal-collecting tube collector.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in detail to this utility model.
As shown in figure 1, a kind of solar energy-air source combined heat pump is without water heating system, including 1 He of solar thermal collector Heating system, wherein, solar thermal collector 1 includes several solar energy heat collection pipes, air inlet and gas outlet, solar energy heat collection pipe It is distributed between air inlet and gas outlet, adjacent solar energy heat collection pipe is connected by collector 11,1 inside structure of solar thermal collector Into gas passage;Vaporizer 4 that heating system includes being sequentially communicated, gas-liquid separator 5, compressor 6, buried coil pipe 7, liquid storage Device 8, filter 9 and expansion valve 10;
The gas outlet of solar thermal collector 1 is connected with blower fan 3 by flexible pipe 2, and blower fan 3 passes through pipeline and the vaporizer 4 Connection, the air after being heated by solar thermal collector 1 exchanged heat with the heating agent in vaporizer 4, heating agent receive after thermal evaporation through After compression, become high temperature heating agent, by supplying heat structure, to space heating.
Solar energy heat collection pipe is vacuum heat collection pipe, and its number can be 4-10, it is also possible to more or less, according to concrete Situation is adjusted.
Flexible pipe 2 can be metal hose or plastic flexible pipe, or the flexible pipe of other materials.By taking metal hose as an example, Illustrate the general structure of flexible pipe:Including corrugated flexible hoses, net and joint.Corrugated flexible flexible pipe arbitrarily can bend, and Minimum stress is produced during bending.
The material of plastic flexible pipe is preferably silicon titanium re-glue.Silicon titanium re-glue is a kind of High-performance synthetic material, with high temperature resistant, Resistance to ventilative, ageing-resistant performance, and with softness is strong, good toughness advantage.
As vibrations can occur in 3 running of blower fan, blower fan 3 and solar thermal collector are attached by flexible pipe, blower fan 3 Vibrations drive flexible pipe 2 to deform, and then can buffer the vibrations of blower fan 3, vibrations is gradually reduced in transmittance process.
Cold-producing medium is held in coil pipe in vaporizer 4, cold-producing medium is heated by the air evaporation, complete cycle fluid by liquid to Gaseous conversion.
As shown in Fig. 2 being provided with collecting plate in solar energy heat collection pipe 1, the installation site of collecting plate makes air in solar energy Flow in " S " shape in heat collector.Collecting plate absorbs solar radiation, and radiation energy is converted into heat energy, and air is used as in heat collector Heat-carrying agent, is entered by air inlet, is heated when flowing through the surface of collecting plate, and heated air is flowed out by air outlet.Can be with Heats to air are improved, is occurred in use in the case of solving air source heat pump system thermic load being larger in the winter time The relatively low problem of evaporimeter frosting and systematic function.
The confession heat structure is buried coil pipe.Buried coil pipe is imbedded under floor, can be used as floor heating radiant heating.
Embodiment
Solar thermal collector 1 includes 5 vacuum heat collection pipes, and 5 vacuum heat collection pipes are mounted side by side on thermal-collecting tube collector On 11, the two ends of thermal-collecting tube collector 11 are respectively arranged with air inlet and gas outlet, and one end of collecting plate is fixed on thermal-collecting tube collection On connection device 11, the other end is extended in vacuum heat collection pipe, the collecting plate entered in vacuum heat collection pipe and vacuum heat collection pipe Certain spacing is left between bottom.Circulation of the collecting plate to air plays barrier effect, introduces air into vacuum heat collection pipe.Due to Vacuum heat collection pipe is mounted side by side, so air flows through 5 vacuum heat collection pipes successively, it is in " S " shape in solar thermal collector 1 Flowing.
Outdoor temperature is -25 DEG C, and blower fan 3 provides power for the flowing of air, makes stream of the air in solar thermal collector 1 Dynamic speed is 1~3m/s, and the temperature of the air at 1 gas outlet of solar thermal collector is -5 DEG C~5 DEG C, the air after heating with steam Send out device 4 in cold-producing medium (such as:Ammonia, freon class etc.) exchanged heat, refrigerant heats evaporation carries out gas-liquid separation to cold-producing medium Afterwards, gas is compressed into compressor, and the power of compressor 6 is 1.1kW, about 35 DEG C of the gas temperature after compression, high temperature The external heat supply after condensing in buried coil pipe of the gas of high pressure, can make construction area be 100m2Room in keep more than 18 DEG C.
Power consumption is electric for about 1.2 degree per hour.The heating system continuously can be used more than 15 years.
Comparative example
Difference with embodiment 1 is:Solar thermal collector 1 is omitted, directly just vaporizer 4 is connected with air by blower fan 3 It is logical.Temperature be -25 DEG C of outdoor airs exchanged heat with the cold-producing medium (identical with the cold-producing medium in embodiment) in vaporizer 4 (steam Send out the surface frosting of device), refrigerant heats evaporation carries out to cold-producing medium after gas-liquid separation, gas is compressed, compressor 6 Power be 1.5kW, about 35 DEG C of the gas temperature after compression, the hot gas of High Temperature High Pressure are right after condensing in buried coil pipe Outer heat supply, can make construction area be 100m2Room in keep more than 18 DEG C.
Power consumption is electric for about 1.7 degree per hour.The continuous service life of the air conditioning system is 15 years.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not to utility model The restriction of protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, this area Various modifications or deform still in protection domain of the present utility model that technical staff is made by need not paying creative work It is interior.

Claims (9)

1. a kind of solar energy-air source combined heat pump is without water heating system, it is characterised in that:Including solar thermal collector and confession Heating system, wherein,
Solar thermal collector includes several solar energy heat collection pipes, air inlet and gas outlet, and solar energy heat collection pipe is distributed in air inlet Between mouth and gas outlet, adjacent solar energy heat collection pipe is connected by collector, solar thermal collector Inner Constitution gas passage;
Heating system includes the vaporizer being interconnected and supplies heat structure;
The gas outlet of solar thermal collector is connected with the vaporizer by pipeline, by solar thermal collector heat after air with Heating agent in vaporizer is exchanged heat, and the heating agent after evaporation is heated up after compression, external heat supply.
2. combined heat pump according to claim 1 is without water heating system, it is characterised in that:In the solar energy heat collection pipe Collecting plate is provided with, the installation site of collecting plate makes air flow in " S " shape in solar thermal collector.
3. combined heat pump according to claim 1 is without water heating system, it is characterised in that:Solar thermal collector and evaporation Blower fan is connected between device.
4. combined heat pump according to claim 3 is without water heating system, it is characterised in that:Solar thermal collector and blower fan Between by hose connection.
5. combined heat pump according to claim 1 is without water heating system, it is characterised in that:The confession heat structure is buried Coil pipe.
6. combined heat pump according to claim 1 is without water heating system, it is characterised in that:Also wrap in the heating system Gas-liquid separation device and compressor are included, vaporizer, gas-liquid separation device, compressor and buried coil pipe are sequentially connected.
7. combined heat pump according to claim 1 is without water heating system, it is characterised in that:The downstream of the confession heat structure It is provided with reservoir.
8. combined heat pump according to claim 7 is without water heating system, it is characterised in that:The downstream of the reservoir sets It is equipped with filter.
9. combined heat pump according to claim 8 is without water heating system, it is characterised in that:The downstream of the filter sets It is equipped with expansion valve.
CN201621065294.7U 2016-09-20 2016-09-20 A kind of solar air source combined heat pump is without water heating system Active CN206073214U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439990A (en) * 2016-09-20 2017-02-22 山东中瑞新能源科技有限公司 Solar-energy-air-source combined type heat pump waterless heating system and method
CN107314570A (en) * 2017-06-28 2017-11-03 上海交通大学 Solar energy high-temperature phase-change Large Copacity heat accumulation air source heat pump system and its Defrost method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106439990A (en) * 2016-09-20 2017-02-22 山东中瑞新能源科技有限公司 Solar-energy-air-source combined type heat pump waterless heating system and method
CN107314570A (en) * 2017-06-28 2017-11-03 上海交通大学 Solar energy high-temperature phase-change Large Copacity heat accumulation air source heat pump system and its Defrost method
CN107314570B (en) * 2017-06-28 2021-04-02 上海交通大学 Solar high-temperature phase-change high-capacity heat storage air source heat pump system and defrosting method thereof

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