CN110030762A - Solar energy-air source couples heat source Multifunctional heat pump system - Google Patents
Solar energy-air source couples heat source Multifunctional heat pump system Download PDFInfo
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- CN110030762A CN110030762A CN201910278909.6A CN201910278909A CN110030762A CN 110030762 A CN110030762 A CN 110030762A CN 201910278909 A CN201910278909 A CN 201910278909A CN 110030762 A CN110030762 A CN 110030762A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of solar energy-air sources to couple heat source Multifunctional heat pump system, including refrigerant circuit, which includes room air source heat exchanger, hot water storage tank, outdoor air source heat exchanger, solar thermal collector, the first electric expansion valve, the first electric expansion valve, fluid reservoir, compressor, four-way valve, the first shut-off valve, the second shut-off valve, third shut-off valve, the 4th shut-off valve, the 5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve.The present invention couples heat source using solar energy-air source, using hot water storage tank as energy-storage units, building thermal environments are regulated and controled by room air source heat exchanger, there are six operational modes for tool: heating mode, accumulation of heat mode, accumulation of heat heating mode, refrigeration accumulation of heat mode, refrigeration mode and defrosting mode, comprehensive utilization solar energy and air-source can be passed through, it is sustainedly and stably building energy supply according to building energy requirement situation.
Description
Technical field
The present invention relates to technical field of energy utilization, and in particular to a kind of solar energy-air source coupling heat source multifunction heat
Pumping system.
Background technique
Heat is transferred to high temperature heat source from low-temperature heat source to consume portion of energy as compensation condition by heat pump, supplies use
The energy at family can be with the sum of the Lowlevel thermal energy that absorbs by the driving of consumption.Meanwhile heat pump techniques can effectively reduce atmosphere pollution
And CO2 emission, the low-temperature waste heat in nature is changed into the available regenerated heat energy of heating ventilation air-conditioning system.But it is general
Logical heat pump air conditioning system is only capable of the operation in cooling in summer and winter heating, remaining time is idle state, have water heating,
The multifunctional heat pump of the functions such as heating, refrigeration, dehumidifying, ventilation is remarkably improved the utilization rate of equipment and meets the major part of building
Energy requirements.Due to building main thermic load include refrigeration, for warm up hot water, collect refrigeration/heating/supplying hot water in one
The multifunctional heat pump of body has received widespread attention.Air-source and solar energy can be used as the low level heat energy of heat pump system.Wherein, air
Source heat pump is widely used in building air conditioning field, and still, runnability is affected by outdoor environment temperature, leads to air-source
There are limitations for the application of heat pump.Solar heat pump is using solar irradiation as heat source, since solar irradiation intensity has interval
Property and unstability, how to realize that the efficient stable operation of solar energy heat pump system becomes the difficulty that must solve in its practical application
Topic.Compared with common heat pump air conditioning system, Multifunctional heat pump system has higher utilization rate of equipment and installations, and corresponding operating condition is more
To be complicated and changeable, therefore single source is difficult meet the needs of it is to heat source, and the application of composite heat power supply is the solution of the above problem
Provide possibility.
Summary of the invention
The purpose of the present invention is to solve drawbacks described above in the prior art, provide a kind of solar energy-air source coupling
Heat source multifunction heat pump system, the system are adopted based on the thinking provided multiple forms of energy to complement each other in conjunction with building heat demand (refrigeration, heating, hot water)
Heat source is coupled with solar energy-air source, using hot water storage tank as energy-storage units, by room air source heat exchanger to Building Heat
Environment is regulated and controled, and there are six operational modes for tool: heating mode, accumulation of heat mode, accumulation of heat heating mode, refrigeration accumulation of heat mode, system
Cold mode and defrosting mode, can be by comprehensive utilization solar energy and air-source, according to building energy requirement situation, continually and steadily
Ground is building energy supply.
The purpose of the present invention can be reached by adopting the following technical scheme that:
A kind of solar energy-air source couples heat source Multifunctional heat pump system, which is characterized in that the heat pump system includes
Double refrigerant circuits, respectively the first refrigerant closed circuit and second refrigerant closed circuit, wherein first refrigeration
Agent closed circuit include the first shut-off valve 10 being sequentially connected, room air source heat exchanger 1, third shut-off valve 12, four-way valve 9,
Fluid reservoir 8, compressor 7, the tenth shut-off valve 19, outdoor air source heat exchanger 4, the 8th shut-off valve 17, the second electric expansion valve 6;
The second refrigerant closed circuit includes the 5th shut-off valve 14, the 7th shut-off valve 16, the sun being sequentially connected
It can heat collector 3, the 6th shut-off valve 15, hot water storage tank 2;
Second shut-off valve 11, hot water storage tank 2, the 4th shut-off valve 13 series connection after with 5 entrance of the first electric expansion valve and four-way
9 entrance of valve is connected, and in parallel with the first shut-off valve 10, room air source heat exchanger 1 and third shut-off valve 12;
First electric expansion valve 5, the 7th shut-off valve 16, solar thermal collector 3, the 9th shut-off valve 18 series connection after with second section
Only 11 entrance of valve and the outlet of four-way valve 9 are connected, with the second electric expansion valve 6, the 8th shut-off valve 17, outdoor air source heat exchanger 4
And the tenth shut-off valve 19 is in parallel;
The heat pump system couples heat source using solar energy-air source, using hot water storage tank 2 as energy-storage units, leads to
It crosses room air source heat exchanger 1 to regulate and control building thermal environments, there is following six operational mode: heating mode, accumulation of heat mould
Formula, accumulation of heat heating mode, refrigeration accumulation of heat mode, refrigeration mode and defrosting mode.
Further, it works in a heating mode when solar energy-air source couples heat source Multifunctional heat pump system, first section
Only valve 10, third shut-off valve 12, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19 are opened,
Second shut-off valve 11, the 4th shut-off valve 13, the 5th shut-off valve 14, the 6th shut-off valve 15 are closed;The high temperature and pressure that compressor 7 exports
Refrigerant condenses in air source heat exchanger 1 indoors, and release heat arrives indoor environment, realizes and heats;
Condensed refrigerant is divided into two-way, respectively enters the first electric expansion valve 5 and the second electric expansion valve 6, passes through
After the throttling of first electric expansion valve 5, refrigerant enters solar thermal collector 3, absorbs the heat of vaporization of external environment;By second
After electric expansion valve 6 throttles, refrigerant enters outdoor air source heat exchanger 4, absorbs the heat of vaporization of solar irradiation;In two branches
Refrigerant by mixing after enter four-way valve 9, four-way valve 9 outlet is connected with 8 entrance of fluid reservoir, fluid reservoir 8 discharge gas phase
Refrigerant enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheated refrigerant by compressor 7, passes through
The refrigerant of compression enters the room air source heat exchanger 1.
Further, it works under accumulation of heat mode when solar energy-air source couples heat source Multifunctional heat pump system, second section
Only valve 11, the 4th shut-off valve 13, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19 are opened,
First shut-off valve 10, third shut-off valve 12, the 5th shut-off valve 14, the 6th shut-off valve 15 are closed;The high temperature and pressure that compressor 7 exports
Refrigerant condenses in hot water storage tank 2, discharges heat into condensed water, realizes accumulation of heat;
Condensed refrigerant is divided into two-way, respectively enters the first electric expansion valve 5 and the second electric expansion valve 6, passes through
After the throttling of first electric expansion valve 5, refrigerant enters solar thermal collector 3, absorbs the heat of vaporization of external environment;By second
After electric expansion valve 6 throttles, refrigerant enters outdoor air source heat exchanger 4, absorbs the heat of vaporization of solar irradiation;In two branches
Refrigerant by mixing after enter four-way valve 9, four-way valve 9 outlet is connected with 8 entrance of fluid reservoir, fluid reservoir 8 discharge gas phase
Refrigerant enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheated refrigerant by compressor 7, passes through
The refrigerant of compression enters hot water storage tank 2.
Further, it works under accumulation of heat heating mode when solar energy-air source couples heat source Multifunctional heat pump system, the
One shut-off valve 10, third shut-off valve 12, the 5th shut-off valve 14, the 6th shut-off valve 15, the 9th shut-off valve 18 are opened, the second shut-off valve
11, the 4th shut-off valve 13, the 7th shut-off valve 16, the 8th shut-off valve 17, the tenth shut-off valve 19 are closed;The high temperature that compressor 7 exports
High-pressure refrigerant condenses in air source heat exchanger 1 indoors, and release heat arrives indoor environment, realizes and heats;
Condensed refrigerant enters the first electric expansion valve 5, and the refrigerant after throttling enters hot water storage tank 2, inhales
The heat of vaporization in water is received, subsequent refrigerant enters four-way valve 9, and the outlet of four-way valve 9 is connected with 8 entrance of fluid reservoir, 8 row of fluid reservoir
Vapor phase refrigerant out enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheat refrigeration by compressor 7
Agent, the refrigerant through overcompression enter the room air source heat exchanger 1.
Further, it works under accumulation of heat mode of freezing when solar energy-air source couples heat source Multifunctional heat pump system, the
One shut-off valve 10, third shut-off valve 12, the 5th shut-off valve 14, the 6th shut-off valve 15, the 9th shut-off valve 18 are opened, the second shut-off valve
11, the 4th shut-off valve 13, the 7th shut-off valve 16, the 8th shut-off valve 17, the tenth shut-off valve 19 are closed;The high temperature that compressor 7 exports
High-pressure refrigerant condenses in hot water storage tank 2, discharges heat into condensed water, realizes accumulation of heat;
Condensed refrigerant enters the first electric expansion valve 5, and the refrigerant after throttling enters the room air-source and changes
Hot device 1, refrigerant absorb heat of vaporization from indoor environment, realize refrigeration;Subsequent refrigerant enters four-way valve 9, and four-way valve 9 exports
It is connected with 8 entrance of fluid reservoir, the vapor phase refrigerant that fluid reservoir 8 is discharged enters compressor 7, and compressor 7 is by low-temp low-pressure gas phase system
Cryogen is collapsed into high temperature and pressure superheated refrigerant, and the refrigerant through overcompression enters hot water storage tank 2, is one complete above
Accumulation of heat of freezing recycles.
Further, it works in cooling mode when solar energy-air source couples heat source Multifunctional heat pump system, first section
Only valve 10, third shut-off valve 12, the 8th shut-off valve 17, the tenth shut-off valve 19 open, the second shut-off valve 11, the 4th shut-off valve 13,
5th shut-off valve 14, the 6th shut-off valve 15, the 7th shut-off valve 16, the 9th shut-off valve 18 are closed;The high temperature and pressure that compressor 7 exports
Refrigerant condenses in outdoor air source heat exchanger 4, release heat to external environment;
Condensed refrigerant enters the second electric expansion valve 6, and the refrigerant after throttling enters the room air-source and changes
Hot device 1, refrigerant absorb heat of vaporization from indoor environment, realize refrigeration;Subsequent refrigerant goes out through entering four-way valve 9, four-way valve 9
Mouthful it is connected with 8 entrance of fluid reservoir, the vapor phase refrigerant of the discharge of fluid reservoir 8 enters compressor 7, and compressor 7 is by low-temp low-pressure gas phase
Refrigerant compression becomes high temperature and pressure superheated refrigerant, and the refrigerant through overcompression enters outdoor air source heat exchanger 4.
Further, it works in defrost mode when solar energy-air source couples heat source Multifunctional heat pump system, second section
Only valve 11, the 4th shut-off valve 13, the 8th shut-off valve 17, the tenth shut-off valve 19 open, the first shut-off valve 10, third shut-off valve 12,
5th shut-off valve 14, the 6th shut-off valve 15, the 7th shut-off valve 16, the 9th shut-off valve 18 are closed;
When outdoor air source heat exchanger 4 is in frosting, the high-temperature high-pressure refrigerant that compressor 7 exports changes in outdoor air source
It is condensed in hot device 4, the condensation heat of release melts the frost layer on 4 surface of outdoor air source heat exchanger, to realize defrosting;
Condensed refrigerant enters the second electric expansion valve 6, and the refrigerant after throttling enters hot water storage tank 2, makes
Cryogen absorbs heat of vaporization from water;Subsequent refrigerant is entered four-way valve 9, and the outlet of four-way valve 9 is connected with 8 entrance of fluid reservoir,
The vapor phase refrigerant that fluid reservoir 8 is discharged enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature height by compressor 7
Warm refrigerant is pressed through, the refrigerant through overcompression enters outdoor air source heat exchanger 4.
Further, the room air source heat exchanger 1 and outdoor air source heat exchanger 4 are finned tube exchanger.
Further, the hot water storage tank 2 is coil-pipe water tank, and refrigerant line is immersed in the condensed water of hot water storage tank
In, the heating condensate water by way of free convection.
Further, the fluid reservoir 8 be can pressure-bearing sealing structure fluid reservoir.
Further, the solar thermal collector 3 is flat-plate solar collector.
Further, first electric expansion valve 5 and the second electric expansion valve 6 can be automatic to adjust by adjusting aperture
The throttle temperature for saving corresponding branch distributes refrigerant stream of the refrigerant in solar thermal collector and outdoor air source heat exchanger
Amount.
The present invention has the following advantages and effects with respect to the prior art:
1, in terms of runnability, in heating mode and accumulation of heat mode, heat source is coupled using solar energy-air source, simultaneously
The heat absorbed in solar irradiation and air can be effective using the shortcomings that making up single source of providing multiple forms of energy to complement each other as evaporation heat source
The operational efficiency and stability of raising system.When winter operation, hot water storage tank as defrosting heat source, can effectively shorten defrosting when
Between, and indoor thermal environment will not be impacted.
2, in terms of economy, solar energy-air source couples heat source Multifunctional heat pump system can will be empty by accumulation of heat mode
Gas can be stored in the form of hot water with solar energy, and the heat of storage can be used for hot water supply or accumulation of heat heating mode and defrosting mode
Heat source, can effectively solve the problem that unmatched problem between external heat source and building load.In refrigeration accumulation of heat mode, accumulation of heat water
Case recovering condensing heat, can simultaneously output cooling capacity and heat.The regulation and control scheme and too of heat source is coupled by formulating solar energy-air source
The annual operation reserve of positive energy-air-source coupling heat source Multifunctional heat pump system, can advanced optimize system performance, improve annual
Performance driving economy.
3, before application in terms of scape, solar energy-air source coupling heat source Multifunctional heat pump system can realize refrigeration, heating and
The functions such as supplying hot water annual can be run, and meet building heat demand.At the same time, solar energy-air source couples heat source multifunction
Heat pump system is simple and compact for structure, has higher consistency with conventional heat pump system structure, has miniaturization and is commercialized latent
Power.
In conclusion the present invention organically combines multifunctional heat pump technology and multi-source heat pump technology, innovatively mention
Sunny energy-air-source couples heat source Multifunctional heat pump system, it is intended to improve the annual operational efficiency of heat pump system, stability and
Utilization rate of equipment and installations forms a kind of novel building energization schemes.
Detailed description of the invention
Fig. 1 is a kind of structural representation of solar energy-air source coupling heat source Multifunctional heat pump system disclosed in the present invention
Figure.
In attached drawing, 1- room air source heat exchanger, 2- hot water storage tank, 3- solar thermal collector, the heat exchange of 4- outdoor air source
Device, the first electric expansion valve of 5-, the second electric expansion valve of 6-, 7- compressor, 8- fluid reservoir, 9- four-way valve, 10- first end
Valve, the second shut-off valve of 11-, 12- third shut-off valve, the 4th shut-off valve of 13-, the 5th shut-off valve of 14-, the 6th shut-off valve of 15-, 16-
7th shut-off valve, the 8th shut-off valve of 17-, the 9th shut-off valve of 18-, the tenth shut-off valve of 19-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment one
Referring to attached drawing 1, present embodiment discloses a kind of solar energy-air sources to couple heat source Multifunctional heat pump system, including
Double refrigerant circuits, above-mentioned refrigerant circuit include room air source heat exchanger 1, hot water storage tank 2, solar thermal collector 3, room
Outer air-source heat exchanger 4, the first electric expansion valve 5, the second electric expansion valve 6, compressor 7, fluid reservoir 8, four-way valve 9, first
Shut-off valve 10, the second shut-off valve 11, third shut-off valve 12, the 4th shut-off valve 13, the 5th shut-off valve 14, the 6th shut-off valve 15,
Seven shut-off valves 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19.
First shut-off valve 10, room air source heat exchanger 1, third shut-off valve 12, four-way valve 9, fluid reservoir 8, compressor 7,
Tenth shut-off valve 19, outdoor air source heat exchanger 4, the 8th shut-off valve 17, the second electric expansion valve 6 are sequentially connected composition first and close
Close circuit.
5th shut-off valve 14, the 7th shut-off valve 16, solar thermal collector 3, the 6th shut-off valve 15, hot water storage tank 2 successively phase
Even constitute the second closed circuit.
Second shut-off valve 11, hot water storage tank 2, the 4th shut-off valve 13 series connection after with 5 entrance of the first electric expansion valve and four-way
9 entrance of valve is connected, in parallel with the first shut-off valve 10, room air source heat exchanger 1 and third shut-off valve 12.
First electric expansion valve 5, the 7th shut-off valve 16, solar thermal collector 3, the 9th shut-off valve 18 series connection after with second section
Only 11 entrance of valve and the outlet of four-way valve 9 are connected, with the second electric expansion valve 6, the 8th shut-off valve 17, outdoor air source heat exchanger 4
And the tenth shut-off valve 19 is in parallel.
Embodiment two
When the work of solar energy-air source coupling heat source Multifunctional heat pump system in a heating mode, the first shut-off valve 10, the
Three shut-off valves 12, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19 are opened, the second shut-off valve
11, the 4th shut-off valve 13, the 5th shut-off valve 14, the 6th shut-off valve 15 are closed.
The high-temperature high-pressure refrigerant that compressor 7 exports condenses in air source heat exchanger 1 indoors, release heat to interior ring
Heating is realized in border.Condensed refrigerant is divided into two-way, respectively enters the first electric expansion valve 5 and the second electric expansion valve 6.
After the throttling of the first electric expansion valve 5, refrigerant enters solar thermal collector 3, absorbs the heat of vaporization of external environment.By
After the throttling of second electric expansion valve 6, refrigerant enters outdoor air source heat exchanger 4, absorbs the heat of vaporization of solar irradiation.Two
Refrigerant in road enters four-way valve 9 after mixing, and the outlet of four-way valve 9 is connected with 8 entrance of fluid reservoir, what fluid reservoir 8 was discharged
Vapor phase refrigerant enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheated refrigerant by compressor 7,
Refrigerant through overcompression enters the room air source heat exchanger 1, is a complete heating circulation above.
Embodiment three
When solar energy-air source coupling heat source Multifunctional heat pump system work is under accumulation of heat mode, the second shut-off valve 11, the
Four shut-off valves 13, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19 are opened, the first shut-off valve
10, third shut-off valve 12, the 5th shut-off valve 14, the 6th shut-off valve 15 are closed.
The high-temperature high-pressure refrigerant that compressor 7 exports condenses in hot water storage tank 2, discharges heat into condensed water, realizes
Accumulation of heat.Condensed refrigerant is divided into two-way, respectively enters the first electric expansion valve 5 and the second electric expansion valve 6.By first
After electric expansion valve 5 throttles, refrigerant enters solar thermal collector 3, absorbs the heat of vaporization of external environment.By the second electronics
After expansion valve 6 throttles, refrigerant enters outdoor air source heat exchanger 4, absorbs the heat of vaporization of solar irradiation.System in two branches
Cryogen enters four-way valve 9 after mixing, and the outlet of four-way valve 9 is connected with 8 entrance of fluid reservoir, the gas phase refrigeration that fluid reservoir 8 is discharged
Agent enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheated refrigerant by compressor 7, through overcompression
Refrigerant enter hot water storage tank 2, be a complete accumulation of heat circulation above.
Example IV
It works under accumulation of heat heating mode when solar energy-air source couples heat source Multifunctional heat pump system, the first shut-off valve
10, third shut-off valve 12, the 5th shut-off valve 14, the 6th shut-off valve 15, the 9th shut-off valve 18 are opened, the second shut-off valve the 11, the 4th
Shut-off valve 13, the 7th shut-off valve 16, the 8th shut-off valve 17, the tenth shut-off valve 19 are closed.
The high-temperature high-pressure refrigerant that compressor 7 exports condenses in air source heat exchanger 1 indoors, release heat to interior ring
Heating is realized in border.Condensed refrigerant enters the first electric expansion valve 5, and the refrigerant after throttling enters hot water storage tank
2, absorb the heat of vaporization in water.Subsequent refrigerant enters four-way valve 9, and the outlet of four-way valve 9 is connected with 8 entrance of fluid reservoir, liquid storage
The vapor phase refrigerant that tank 8 is discharged enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure mistake by compressor 7
Warm refrigerant, the refrigerant through overcompression enter the room air source heat exchanger 1, are a complete accumulation of heat heating circulation above.
Embodiment five
It works under accumulation of heat mode of freezing when solar energy-air source couples heat source Multifunctional heat pump system, the first shut-off valve
10, third shut-off valve 12, the 5th shut-off valve 14, the 6th shut-off valve 15, the 9th shut-off valve 18 are opened, the second shut-off valve the 11, the 4th
Shut-off valve 13, the 7th shut-off valve 16, the 8th shut-off valve 17, the tenth shut-off valve 19 are closed.
The high-temperature high-pressure refrigerant that compressor 7 exports condenses in hot water storage tank 2, discharges heat into condensed water, realizes
Accumulation of heat.Condensed refrigerant enters the first electric expansion valve 5, and the refrigerant after throttling enters the room air source heat exchanger
1, refrigerant absorbs heat of vaporization from indoor environment, realizes refrigeration.Subsequent refrigerant enters four-way valve 9, the outlet of four-way valve 9 and storage
8 entrance of flow container is connected, and the vapor phase refrigerant that fluid reservoir 8 is discharged enters compressor 7, and compressor 7 is by low-temp low-pressure vapor phase refrigerant
It is collapsed into high temperature and pressure superheated refrigerant, the refrigerant through overcompression enters hot water storage tank 2, is a complete refrigeration above
Accumulation of heat circulation.
Embodiment six
When the work of solar energy-air source coupling heat source Multifunctional heat pump system in cooling mode, the first shut-off valve 10, the
Three shut-off valves 12, the 8th shut-off valve 17, the tenth shut-off valve 19 are opened, the second shut-off valve 11, the 4th shut-off valve 13, the 5th shut-off valve
14, the 6th shut-off valve 15, the 7th shut-off valve 16, the 9th shut-off valve 18 are closed.
The high-temperature high-pressure refrigerant that compressor 7 exports condenses in outdoor air source heat exchanger 4, release heat to extraneous ring
Border.Condensed refrigerant enters the second electric expansion valve 6, and the refrigerant after throttling enters the room air source heat exchanger 1,
Refrigerant absorbs heat of vaporization from indoor environment, realizes refrigeration.Subsequent refrigerant is entered four-way valve 9, the outlet of four-way valve 9 and storage
8 entrance of flow container is connected, and the vapor phase refrigerant that fluid reservoir 8 is discharged enters compressor 7, and compressor 7 is by low-temp low-pressure vapor phase refrigerant
It is collapsed into high temperature and pressure superheated refrigerant, the refrigerant through overcompression enters outdoor air source heat exchanger 4, is one complete above
Whole refrigeration cycle.
Embodiment seven
When the work of solar energy-air source coupling heat source Multifunctional heat pump system in defrost mode, the second shut-off valve 11, the
Four shut-off valves 13, the 8th shut-off valve 17, the tenth shut-off valve 19 are opened, the first shut-off valve 10, third shut-off valve 12, the 5th shut-off valve
14, the 6th shut-off valve 15, the 7th shut-off valve 16, the 9th shut-off valve 18 are closed.
When winter 4 frosting of outdoor air source heat exchanger, the high-temperature high-pressure refrigerant of compressor outlet changes in outdoor air source
It is condensed in hot device 4, the condensation heat discharged can melt the frost layer on 4 surface of outdoor air source heat exchanger, to realize defrosting.
Condensed refrigerant enters the second electric expansion valve 6, and the refrigerant after throttling enters hot water storage tank 2, and refrigerant is from water
Middle absorption heat of vaporization.Subsequent refrigerant is entered four-way valve 9, and the outlet of four-way valve 9 is connected with 8 entrance of fluid reservoir, 8 row of fluid reservoir
Vapor phase refrigerant out enters compressor 7, and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheat refrigeration by compressor 7
Agent, the refrigerant through overcompression enter outdoor air source heat exchanger 4, are a complete defrosting circulation above.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (10)
1. a kind of solar energy-air source couples heat source Multifunctional heat pump system, which is characterized in that the heat pump system includes double
Refrigerant circuit, respectively the first refrigerant closed circuit and second refrigerant closed circuit, wherein first refrigerant
Closed circuit includes the first shut-off valve (10), room air source heat exchanger (1), third shut-off valve (12), four-way being sequentially connected
Valve (9), fluid reservoir (8), compressor (7), the tenth shut-off valve (19), outdoor air source heat exchanger (4), the 8th shut-off valve (17),
Second electric expansion valve (6);
The second refrigerant closed circuit includes the 5th shut-off valve (14), the 7th shut-off valve (16), the sun being sequentially connected
It can heat collector (3), the 6th shut-off valve (15), hot water storage tank (2);
Second shut-off valve (11), hot water storage tank (2), the 4th shut-off valve (13) series connection after with 5 entrance of the first electric expansion valve and four
Port valve (9) entrance be connected, and with the first shut-off valve (10), room air source heat exchanger (1) and third shut-off valve (12) it is in parallel;
First electric expansion valve 5, the 7th shut-off valve (16), solar thermal collector (3), the 9th shut-off valve 18 series connection after with second section
Only valve (11) entrance and four-way valve (9) outlet are connected, with the second electric expansion valve (6), the 8th shut-off valve (17), outdoor air source
Heat exchanger (4) and the tenth shut-off valve (19) are in parallel;
The heat pump system is passed through using solar energy-air source coupling heat source using hot water storage tank (2) as energy-storage units
The aperture of the first electric expansion valve (5) and the second electric expansion valve (6) is adjusted, the throttle temperature of corresponding branch is automatically adjusted, point
Refrigerant flow with refrigerant in solar thermal collector (3) and outdoor air source heat exchanger (4);
Building thermal environments are regulated and controled by room air source heat exchanger (1), there is following six operational mode: heating mould
Formula, accumulation of heat mode, accumulation of heat heating mode, refrigeration accumulation of heat mode, refrigeration mode and defrosting mode.
2. solar energy-air source according to claim 1 couples heat source Multifunctional heat pump system, which is characterized in that when too
Positive energy-air-source coupling heat source Multifunctional heat pump system works in a heating mode, the first shut-off valve (10), third shut-off valve
(12), the 7th shut-off valve (16), the 8th shut-off valve (17), the 9th shut-off valve 18, the tenth shut-off valve (19) are opened, the second shut-off valve
(11), the 4th shut-off valve (13), the 5th shut-off valve (14), the 6th shut-off valve (15) are closed;The high temperature and pressure of compressor (7) outlet
The middle condensation of air source heat exchanger (1), release heat to indoor environment realize heating to refrigerant indoors;
Condensed refrigerant is divided into two-way, respectively enters the first electric expansion valve (5) and the second electric expansion valve (6), passes through
After first electric expansion valve (5) throttling, refrigerant enters solar thermal collector (3), absorbs the heat of vaporization of external environment;By
After second electric expansion valve (6) throttling, refrigerant enters outdoor air source heat exchanger (4), absorbs the heat of vaporization of solar irradiation;
Refrigerant in two branches enters four-way valve (9) after mixing, and four-way valve (9) outlet is connected with fluid reservoir (8) entrance, liquid storage
The vapor phase refrigerant of tank (8) discharge enters compressor (7), and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature by compressor (7)
High pressure superheater refrigerant, the refrigerant through overcompression enter the room air source heat exchanger (1).
3. solar energy-air source according to claim 1 couples heat source Multifunctional heat pump system, which is characterized in that when too
Positive energy-air-source coupling heat source Multifunctional heat pump system work is under accumulation of heat mode, the second shut-off valve (11), the 4th shut-off valve
(13), the 7th shut-off valve (16), the 8th shut-off valve (17), the 9th shut-off valve 18, the tenth shut-off valve (19) are opened, the first shut-off valve
(10), third shut-off valve (12), the 5th shut-off valve (14), the 6th shut-off valve (15) are closed;The high temperature and pressure of compressor (7) outlet
Refrigerant condensation in hot water storage tank (2) discharges heat into condensed water, realizes accumulation of heat;
Condensed refrigerant is divided into two-way, respectively enters the first electric expansion valve (5) and the second electric expansion valve (6), passes through
After first electric expansion valve (5) throttling, refrigerant enters solar thermal collector (3), absorbs the heat of vaporization of external environment;By
After second electric expansion valve (6) throttling, refrigerant enters outdoor air source heat exchanger (4), absorbs the heat of vaporization of solar irradiation;
Refrigerant in two branches enters four-way valve (9) after mixing, and four-way valve (9) outlet is connected with fluid reservoir (8) entrance, liquid storage
The vapor phase refrigerant of tank (8) discharge enters compressor (7), and low-temp low-pressure vapor phase refrigerant is collapsed into high temperature by compressor (7)
High pressure superheater refrigerant, the refrigerant through overcompression enter hot water storage tank (2).
4. solar energy-air source according to claim 1 couples heat source Multifunctional heat pump system, which is characterized in that when too
Positive energy-air-source coupling heat source Multifunctional heat pump system work is under accumulation of heat heating mode, the first shut-off valve (10), third cut-off
Valve (12), the 5th shut-off valve (14), the 6th shut-off valve (15), the 9th shut-off valve 18 are opened, the second shut-off valve (11), the 4th cut-off
Valve (13), the 7th shut-off valve (16), the 8th shut-off valve (17), the tenth shut-off valve (19) are closed;The high temperature of compressor (7) outlet is high
The middle condensation of air source heat exchanger (1), release heat to indoor environment realize heating to compression refrigerant indoors;
Condensed refrigerant enters the first electric expansion valve (5), and the refrigerant after throttling enters hot water storage tank (2), inhales
The heat of vaporization in water is received, subsequent refrigerant enters four-way valve (9), and four-way valve (9) outlet is connected with fluid reservoir (8) entrance, stores up
The vapor phase refrigerant of flow container (8) discharge enters compressor (7), and low-temp low-pressure vapor phase refrigerant is collapsed into height by compressor (7)
Warm high pressure superheater refrigerant, the refrigerant through overcompression enter the room air source heat exchanger (1).
5. solar energy-air source according to claim 1 couples heat source Multifunctional heat pump system, which is characterized in that when too
Positive energy-air-source coupling heat source Multifunctional heat pump system work is under accumulation of heat mode of freezing, the first shut-off valve (10), third cut-off
Valve (12), the 5th shut-off valve (14), the 6th shut-off valve (15), the 9th shut-off valve 18 are opened, the second shut-off valve (11), the 4th cut-off
Valve (13), the 7th shut-off valve (16), the 8th shut-off valve (17), the tenth shut-off valve (19) are closed;The high temperature of compressor (7) outlet is high
Compression refrigerant condensation in hot water storage tank (2) discharges heat into condensed water, realizes accumulation of heat;
Condensed refrigerant enters the first electric expansion valve (5), and the refrigerant after throttling enters the room air-source heat exchange
Device (1), refrigerant absorb heat of vaporization from indoor environment, realize refrigeration;Subsequent refrigerant enters four-way valve (9), four-way valve (9)
Outlet is connected with fluid reservoir (8) entrance, and the vapor phase refrigerant of fluid reservoir (8) discharge enters compressor (7), and compressor (7) will be low
Warm low pressure gas-phase refrigerant is collapsed into high temperature and pressure superheated refrigerant, and the refrigerant through overcompression enters hot water storage tank (2), with
On be a complete refrigeration accumulation of heat circulation.
6. solar energy-air source according to claim 1 couples heat source Multifunctional heat pump system, which is characterized in that when too
Positive energy-air-source coupling heat source Multifunctional heat pump system works in cooling mode, the first shut-off valve (10), third shut-off valve
(12), the 8th shut-off valve (17), the tenth shut-off valve (19) are opened, the second shut-off valve (11), the 4th shut-off valve (13), the 5th cut-off
Valve (14), the 6th shut-off valve (15), the 7th shut-off valve (16), the 9th shut-off valve 18 are closed;The high temperature and pressure of compressor (7) outlet
Refrigerant condensation in outdoor air source heat exchanger (4), release heat to external environment;
Condensed refrigerant enters the second electric expansion valve (6), and the refrigerant after throttling enters the room air-source heat exchange
Device (1), refrigerant absorb heat of vaporization from indoor environment, realize refrigeration;Subsequent refrigerant is through entering four-way valve (9), four-way valve
(9) outlet is connected with fluid reservoir (8) entrance, and the vapor phase refrigerant of fluid reservoir (8) discharge enters compressor (7), and compressor (7) will
Low-temp low-pressure vapor phase refrigerant is collapsed into high temperature and pressure superheated refrigerant, and the refrigerant through overcompression enters outdoor air source and changes
Hot device (4).
7. solar energy-air source according to claim 1 couples heat source Multifunctional heat pump system, which is characterized in that when too
Positive energy-air-source coupling heat source Multifunctional heat pump system works in defrost mode, the second shut-off valve (11), the 4th shut-off valve
(13), the 8th shut-off valve (17), the tenth shut-off valve (19) are opened, the first shut-off valve (10), third shut-off valve (12), the 5th cut-off
Valve (14), the 6th shut-off valve (15), the 7th shut-off valve (16), the 9th shut-off valve 18 are closed;
When outdoor air source heat exchanger (4) is in frosting, the high-temperature high-pressure refrigerant of compressor (7) outlet changes in outdoor air source
The condensation heat of condensation in hot device (4), release melts the frost layer on outdoor air source heat exchanger (4) surface, to realize defrosting;
Condensed refrigerant enters the second electric expansion valve (6), and the refrigerant after throttling enters hot water storage tank (2), makes
Cryogen absorbs heat of vaporization from water;Subsequent refrigerant is through entering four-way valve (9), four-way valve (9) outlet and fluid reservoir (8) entrance
It is connected, the vapor phase refrigerant of fluid reservoir (8) discharge enters compressor (7), and compressor (7) compresses low-temp low-pressure vapor phase refrigerant
As high temperature and pressure superheated refrigerant, the refrigerant through overcompression enters outdoor air source heat exchanger (4).
8. solar energy-air source according to any one of claims 1 to 7 couples heat source Multifunctional heat pump system, feature exists
In the room air source heat exchanger (1) and outdoor air source heat exchanger (4) are finned tube exchanger.
9. solar energy-air source according to any one of claims 1 to 7 couples heat source Multifunctional heat pump system, feature exists
In the hot water storage tank (2) is coil-pipe water tank, and refrigerant line is immersed in the condensed water of hot water storage tank, by naturally right
The mode heating condensate water of stream.
10. solar energy-air source according to any one of claims 1 to 7 couples heat source Multifunctional heat pump system, feature exists
In, the fluid reservoir (8) be can pressure-bearing sealing structure fluid reservoir, the solar thermal collector (3) be plate too
Positive energy heat collector.
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