CN107044733B - A kind of solar photoelectric light-heat building integration system - Google Patents

A kind of solar photoelectric light-heat building integration system Download PDF

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Publication number
CN107044733B
CN107044733B CN201710264796.5A CN201710264796A CN107044733B CN 107044733 B CN107044733 B CN 107044733B CN 201710264796 A CN201710264796 A CN 201710264796A CN 107044733 B CN107044733 B CN 107044733B
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heat
temperature
component
hot
pump
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CN107044733A (en
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彭昌海
石邢
黄璐
黄锦富
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Southeast University
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Southeast University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00Other domestic- or space-heating systems
    • F24D15/04Other domestic- or space-heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S21/00Solar heat collectors not provided for in groups F24S10/00-F24S20/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
    • F25B30/00Heat pumps
    • F25B30/06Heat pumps characterised by the source of low potential heat
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002Generators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40Thermal components
    • H02S40/44Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00Solar heat collectors specially adapted for particular uses or environments
    • F24S2020/10Solar modules layout; Modular arrangements
    • F24S2020/17Arrangements of solar thermal modules combined with solar PV modules
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/10Photovoltaic [PV]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps
    • 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
    • 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
    • Y02E10/50Photovoltaic [PV] energy
    • 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
    • Y02E10/60Thermal-PV hybrids

Abstract

The invention discloses a kind of solar photoelectric light-heat building integration systems, it is specifically a kind of it is frivolous, convenient for Fast Installation and replacement, uniform decrease in temperature, efficient heat-collecting, efficiency power generation, temperature-controllable solar energy photovoltaic/thermal-arrest/earth source heat pump/thermo-electric generation integral system (i.e. BIPV/T composite system), the heat collecting module of capillary is collected by the double helix heat of light and thin type, temperature, and efficient heat-collecting and power generation can equably be reduced., can be effectively and rationally using the heat collected simultaneously by compound various systems, whole process all has controllability.Frivolous feature increases a possibility that itself and Integration of building, is advantageously implemented solar photoelectric light-heat architecture-integral.

Description

A kind of solar photoelectric light-heat building integration system
Technical field
The present invention relates to solar photoelectric light-heat building integration system (BIPV/T), especially photovoltaic/collection Heat/earth source heat pump/thermo-electric generation photovoltaic/thermal building integration system (i.e. BIPV/T composite system).
Background technique
Currently, commercialization solar-energy photo-voltaic cell has: the monocrystalline Silicon photrouics that incident photon-to-electron conversion efficiency is 13%~17%, The polysilicon photovoltaic cells that incident photon-to-electron conversion efficiency is 11%~15%, the amorphous silicon photovoltaic electricity that incident photon-to-electron conversion efficiency is 6%~8% Pond.For solar radiation total amount, 80%~90% energy is not converted to electric energy, but is converted into thermal energy or with electromagnetic waveforms Formula is radiate, and increases solar-energy photo-voltaic cell temperature.For silica-based solar cell, as temperature increases, what efficiency reduced Amplitude constantly increases.Studies have shown that the ideal working temperature of solar battery is 25 degrees Celsius, every to rise 1 DEG C, the monocrystalline silicon sun The efficiency of battery reduces by 0.3%~0.5%, and the efficiency of polycrystalline silicon solar cell reduces by 0.4%.Equally, the use of photovoltaic array Service life can also shorten under higher running temperature.Photovoltaic and photothermal solar comprehensive utilization (PV/T) technology sends out photovoltaic Power technology and solar energy heating technology organically combine.On the one hand, it can convert solar energy into electrical energy and thermal energy, while obtain two The income of kind energy, improves the comprehensive utilization ratio of system solar energy;Cooling fluid can take away the heat of photovoltaic cell, from And reach the cooling effect to battery, improve its photovoltaic efficiency and PV array lifetime.In addition, PV/T answering in building trade With, it should it fully considers a possibility that it is with building perfect combination, takes into account energy conservation and beautiful requirement.
It is generally relatively thick that the heat of PV/T heat collector collects caliber, small with backboard contact surface, cannot effectively collect heat and Reduce the temperature of PV plate;And hot and cold tube design it is unreasonable can generate temperature gradient, causing solar panel, temperature distribution is non-uniform, reduce The service life of solar panel.It is blocked up that the thicker thermal-arrest caliber of heat collector and complicated composite system also result in PV/T component, matter It measures overweight, causes the installation of PV/T component difficult, aesthetic effect is bad, is unfavorable for realizing the combination with building.
The recycling of low grade residual heat is also relatively short of at present, it is (coal, petroleum, natural relative to high-grade energy Gas etc.) for, the energy that low grade residual heat includes in same units is very low, big using difficulty.But from the pattern of using energy source From the point of view of, low grade residual heat by as production capacity and with can key link, important work is played to the specific implementation of energy-saving and emission-reduction strategy With.If can sufficiently be recycled to heat is collected, for realizing that zero energy consumption building has great significance.
Summary of the invention
To solve the deficiencies in the prior art, it is an object of the invention to propose that one kind is frivolous, is convenient for Fast Installation and replacement , photovoltaic/thermal building integration system (the i.e. compound system of BIPV/T of uniform decrease in temperature, efficient heat-collecting, efficiency power generation, temperature-controllable System).
In order to achieve the above objectives, the present invention adopts the following technical scheme that: a kind of solar photoelectric light-heat building one Change system, including PV/T system, ground-source heat pump system, moderate and high temperature heat system, Low Temperature Difference electricity generation system, refrigeration system, hot water System, heating system, dehumidification system and control system.
Preferably, PV/T system includes PV/T component, the first kinetic pump, the first expansion valve, the first liquid replenisher and the first heat Exchanger;
The ground-source heat pump system includes that outdoor system, the second kinetic pump, third expansion valve, the 4th liquid replenisher, third are changed Hot coil and first heat exchanger;
The moderate and high temperature heat system includes high temperature heat pump, the first three-way ball valve, the second expansion valve, the second liquid replenisher, Two heat exchange coils, the 4th heat exchange coil and first heat exchanger, second heat exchanger;
The Low Temperature Difference electricity generation system include second heat exchanger, hot end, cold end, cooling chamber, semi-conductor thermoelectric device, absolutely Thermosphere, voltage change and power governor and earth source heat pump;
The refrigeration system includes moderate and high temperature heat, the first three-way ball valve, the second liquid replenisher, the second expansion valve, the 7th changes Hot coil, the 4th heat exchange coil and second heat exchanger;
The hot-water heating system includes the 8th heat exchange coil, the second expansion valve, hot and cold water pipe and second heat exchanger;
The heating system includes the 9th heat exchange coil, the second three-way ball valve, third liquid replenisher and second heat exchanger;
The dehumidification system includes second heat exchanger, dehumidifier, three-way ball valve, heat exchange coil, regenerator and cooler;
The control system includes sensor, actuator, and the sensor includes temperature sensor, pressure sensor, prison Instrument, thermistor are surveyed, the actuator 6 includes the first three-way ball valve, the first kinetic pump, heat pump.
Preferably, the PV/T system, the ground-source heat pump system, the moderate and high temperature heat system share same first Heat exchanger;The moderate and high temperature heat system and the refrigeration system share the same moderate and high temperature heat and the second expansion valve;Institute It states moderate and high temperature heat, the refrigeration system, the Low Temperature Difference electricity generation system, the hot-water heating system, the heating system, described remove Wet system shares the same second heat exchanger.
Preferably, the cooling chamber includes radiating fin, cooling coil, the foam metal compound phase being connected with earth source heat pump Becoming material, the high-thermal conductive metal silk of net distribution, the skeleton of Foam metal composite phase-change material is foam metal Cu, Ni or Al, Its phase-change material is capric acid-lauric acid binary system and n-caproic acid, ethyl benzoate, gaultherolin, oleic acid, n-tetradecane Or the additives such as hexadecane and its mixture, 15 DEG C of phase transition temperature or so.
Preferably, the PV/T component includes battery component, frame module and heat collecting module, and the battery component includes light Lie prostrate cell piece, the frame module includes frame, the heat collecting module include glass cover-plate, sealed filling material, Heat Conduction Material, Heat collects capillary, heat transfer oil cold flow pipeline, heat transfer oil hot-fluid pipeline, thermistor and minisize dc kinetic pump.
Preferably, the battery component selectively composite back plate, when battery component composite back plate, heat collecting module directly with Battery component integration, when battery component does not have composite back plate, the battery component back side increases electric insulation layer, then whole with heat collecting module It closes, heat conductive silica gel is smeared when integrating battery component and heat collecting module, between battery component and heat collecting module so that delay is discharged Air.
Preferably, the heat collecting module includes that double-stranded heat collects capillary, and the double-spiral structure includes cold The double-spiral structure or input channel, output that pipe, heat pipe heat transfer oil cold flow pipeline, heat transfer oil hot-fluid pipeline are arranged alternately The double-spiral structure that pipeline is arranged alternately.
Preferably, the heat is collected the input port of capillary, output port and is passed respectively with heat transfer oil cold flow pipeline, heat Drain hot-fluid pipeline is correspondingly connected with;The input port is provided with minisize dc kinetic pump, and minisize dc kinetic pump is directly from electricity Pond plate takes electricity.
Preferably, the PV/T module backside is equipped with thermistor, and connect with minisize dc kinetic pump, by the control System supervisory and control.
Preferably, the PV/T component is close to roof installation, realizes that component is connect with roof by adjustable connector, institute Connector is stated equipped with rotation axis and respectively in the first sliding groove of both direction and second sliding slot, PV/T component passes through the rotation Axis realizes rotation adjustment, realizes that translation up and down adjusts by the first sliding groove and second sliding slot.
The invention adopts the above technical scheme compared with prior art, and beneficial effect is:
The advantages of 1.PV/T component:
(1) solar photoelectric and photo-thermal are unified for an entirety, improve whole utilization efficiency.
(2) PV/T component is divided into three modules, photovoltaic cell component, heat collecting module and frame module.It will be at random each Components are integrated into modules, reduce installation procedure, convenient for management and enhancing aesthetic effect.
(3) heat in heat collecting module collects capillary and arranges in the double helix of hot and cold alternation, realizes lowering temperature uniform, makes whole Block solar panel uniformity of temperature profile extends service life and improves generating efficiency;Capillary caliber is thinner, is covered with photovoltaic panel When, increase the contact area with it, improves collecting efficiency;And the lesser capillary of caliber also reduces the thickness of PV/T component And quality, so that PV/T component is become light, thin;It is poured with the Heat Conduction Material of liquid, fills heat and collect gap between capillary, several In the case where the thickness for not increasing PV/T component, heat transfer efficiency is improved.The PV/T component of light and thin type can preferably realize with The integration of building realizes that PV/T is integrated with building.
(4) the electronic pump of minisize dc directly takes electricity from solar panel, shortens cable length and reduces electric energy loss.It is scalable Heat transfer oil conduit coupling, ensure that under production or installation error, heat transfer oil pipeline also can be connected normally.It is adjustable The connector of section ensure that the convenient and accuracy of PV/T component installation.
2. the advantages of photovoltaic/thermal-arrest/earth source heat pump/thermo-electric generation integral system
(1) moderate and high temperature heat heating temperature is high, can promote energy grad, and have implement simple, technology relatively at It is ripe.Obtained heat can be used for hot water, thermo-electric generation, heating and dehumidifying etc., to realize that zero energy consumption building provides possibility.Temperature Poor electrification structure is compact, without abrasion, No leakage;Cleaning, unharmful substance discharge;Noise-less pollution;Service life length, high reliablity, It is a kind of environmentally protective generation mode.Exchanger medium heat disk pipe as much as possible exchanges heat lower to temperature at the first time Coil pipe guarantees higher direct heat exchanger effectiveness;Foam metal composite phase-change material had not only enhanced thermally conductive but also can store heat, and heat Hold the volume that can reduce exchanger greatly;High-thermal conductive metal silk in a heat exchanger, accelerates thermally conductive speed in net distribution, increases Add heat transfer efficiency, greatly improves the heat exchange efficiency of exchanger entirety.
(2) PV/T system is connect with earth source heat pump, realizes the temperature to the conductive fluid for entering solar panel backboard Control, so that solar panel is worked in the state of ideal temperature, improve generating efficiency;Guarantee rainy weather and evening heat utilization end End (hot-water heating system, dehumidification system and thermo-electric generation system etc.) can work normally;Ground-source heat pump system can also melt winter solar Accumulated snow on energy solar panel guarantees that solar panel works normally.
(3) in thermo-electric generation system module hot end surface be it is concavo-convex, heat transfer efficiency is higher.Cold end is connected with cooling chamber, Cavernous radiating fin in cooling chamber is directly connected with cooling coil, and radiating efficiency is guaranteed.Foam metal compound phase The high-thermal conductive metal silk for becoming material and net distribution improves heat transfer efficiency.
(4) refrigeration system collects indoor heat, can be re-used for hot-water heating system, dehumidification system and thermo-electric generation system In, realize the efficient utilization of resource.And a high temperature heat pump is shared with hot-water heating system, dehumidification system and thermo-electric generation system And expansion valve, the complexity of route is enormously simplified, the utilization efficiency of system is improved.
(5) operation of whole system, is controlled by control system, more has accuracy and real-time, can rapid feedback system The traffic-operating period of system, and fining adjustment is carried out to the operation of system, guarantee the efficiency of system and the comfort of building.
To sum up, modularized production may be implemented in PV/T component, and this PV/T component has the characteristics that light, shape is thin, more Conducive to production, construction, roofing installation can be close to, be equally applicable to the application of curtain wall, it is integrated with building conducive to realizing.By Make lowering temperature uniform in the new structure of this component heat collecting module, service life is also improved.
Meanwhile the system with complete set, not only it is able to satisfy the demand of hot water, moreover it is possible to meet winter heating, summer system It is cold etc..And meet system it is multi-functional simultaneously, as far as possible simplify equipment, improve the operational efficiency of system.Realize fining Control, makes system more intelligent and high-efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is solar photoelectric light-heat building integration system (BIPV/T composite system) schematic diagram;
Fig. 2 a-2b is temperature difference electrification structure schematic diagram in the present invention;
Fig. 3 is control system figure in the present invention;
Fig. 4 is PV/T component structure diagram in the present invention;
Fig. 5 is PV/T assembly module schematic diagram in the present invention;
Fig. 6 a-6g is that heat collects capillary pipe structure schematic diagram in the present invention;
Fig. 7 a-7d is PV/T component connection description figure in the present invention;
Fig. 8 a-8b is heat converter structure schematic diagram in the present invention;
Fig. 8 c is b-b sectional view in Fig. 8 b;
Fig. 8 d is helical structure coil pipe schematic diagram in heat exchanger;
Fig. 9 is PV/T component and roof attachments structural map in the present invention.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of solar photoelectric light-heat building integration system (BIPV/T), the system include PV/T system System, ground-source heat pump system, moderate and high temperature heat system, Low Temperature Difference electricity generation system, refrigeration system, hot-water heating system, heating system, dehumidifying System and control system.
PV/T system includes PV/T component 1, the first kinetic pump 2, the first expansion valve 3, the first liquid replenisher 4 and the first heat exchange Device 5.
Moderate and high temperature heat system includes moderate and high temperature heat 6, the first three-way ball valve 24, the second expansion valve 26, the second liquid replenisher 25, the second heat exchange coil 8, the 4th heat exchange coil 10 and first heat exchanger 5, second heat exchanger 13;Moderate and high temperature heat 6 will be low After warm can be changed into high temperature heat, it is more advantageous to utilization.
As shown in connection with fig. 2, Low Temperature Difference electricity generation system include second heat exchanger 13, hot end 14, cold end 15, cooling chamber 16, Semi-conductor thermoelectric device 22, heat insulation layer 23, voltage change and power governor and earth source heat pump 17 (41);Utilize high temperature heat The heat that pump 6 is promoted guarantees that there is higher temperature in hot end 14.When the non-uniform temperature in semi-conductor thermoelectric device, temperature is high The free electron at place is bigger than the free electron kinetic energy of temperature lower, and free electron is spread from temperature is high-end to temperature low side, low Warm end heap comes, to form electric field in conductor, just draws into a potential difference at metal bar both ends.
The heat that PV/T system is collected is that hot end 14 provides heat, and phase transformation in hot end 14 and second heat exchanger 13 The surface of material be it is concavo-convex, increase contact area keep heat transfer efficiency higher, by p-type and the two distinct types of heat of N type Electric material (p-type is rich cavitation material, and N-type is electron rich material) one end is connected to form a PN junction, and hot 14 ends are located at the second heat In exchanger 13, cold end 15 is located at cooling chamber 16, wherein cooling chamber 16, including radiating fin 18 are connected with earth source heat pump 41 The high-thermal conductive metal silk 21 of cooling coil 19, Foam metal composite phase-change material 20, net distribution.Cooling coil 19 is close to more Poroid radiating fin 18 has some holes on radiating fin 18, increases the contact area of radiating fin 18 and phase-change material. Earth source heat pump 41 is that cooling chamber 16 provides cooling capacity.Specifically, the skeleton of Foam metal composite phase-change material 20 is foam metal Cu, Ni or Al, phase-change material are capric acid-lauric acid binary system and n-caproic acid, ethyl benzoate, gaultherolin, oil Acid, n-tetradecane or the additives such as hexadecane and its mixture, 15 DEG C of phase transition temperature or so.
Refrigeration system includes moderate and high temperature heat 6, the first three-way ball valve 24, the second liquid replenisher 25, the second expansion valve the 26, the 7th Heat exchange coil 27, the 4th heat exchange coil 1 and second heat exchanger 13;Itself and moderate and high temperature heat system combination make entire compound system System is simplified.7th heat exchange coil 27 of refrigeration system end collects indoor heat and is used, while reducing Indoor Temperature Degree.
Hot-water heating system includes the 8th heat exchange coil 25, the second expansion valve 26 ', hot and cold water pipe and second heat exchanger 13; The heat collected using PV/T system, the demand after promoting temperature by moderate and high temperature heat 6, for hot water.
Heating system includes the 9th heat exchange coil 28, the second three-way ball valve 29, third liquid replenisher 30 and second heat exchanger 13;
Dehumidification system includes second heat exchanger 13, dehumidifier, three-way ball valve 31, heat exchange coil 11, regenerator and cooling Device 16;After dehumidification system is heated up using the heat that PV/T system is collected by moderate and high temperature heat 6 (18), the solution after moisture absorption is added Heat completes the circulation of system.
As shown in figure 3, control system includes sensor, actuator 33, sensor includes temperature sensor 34, pressure sensing Device 35, monitor 36, thermistor, actuator 33 include the first three-way ball valve 24, the first kinetic pump 2, heat pump.By being mounted on Sensor everywhere, control system can in time feedback system operation conditions and pass through actuator regulating system working method.
Ground-source heat pump system includes outdoor system (mainly underground pipe, buried tube packing), the second kinetic pump 37, third Expansion valve 38, the 4th liquid replenisher 39, third heat exchange coil 9 and first heat exchanger 5;Ground-source heat pump system and PV/T system connect It connects, can control the temperature of solar panel backboard;When rainy weather and evening solar panel can not work, ground source Heat pump 17 can be used as the heat source of moderate and high temperature heat system.
PV/T system, ground-source heat pump system, moderate and high temperature heat system share the same first heat exchanger 5;High temperature heat Pumping system and refrigeration system share the same moderate and high temperature heat 6 and the second expansion valve 26;Moderate and high temperature heat, refrigeration system, low temperature Poor electricity generation system, hot-water heating system, heating system, dehumidification system share the same second heat exchanger 13.
PV/T system collects the heat that the power generation of PV/T component 1 generates, which is exchanged in entering by heat exchanger 5 High temperature heat pump system;The working medium for carrying the heat becomes high temperature high pressure liquid after the compression heating of moderate and high temperature heat 6, logical It crosses second heat exchanger 13 and is swapped out heat and release a large amount of high temperature heat, be used for hot water, thermo-electric generation, dehumidifying and heating Deng;After working medium completes heat exchange, is returned in moderate and high temperature heat system by second heat exchanger 13, pass through the second expansion valve Become low-temp low-pressure steam after 26 release heats expansions, can be realized by the first three-way ball valve 24 and the second heat exchange coil 8 to the One heat exchanger 5 cools down;Or first three-way ball valve 24 and the 7th heat exchange coil 27 can realize and cool down to room, The indoor heat of collection can be used to carry out hot water, thermo-electric generation and dehumidifying etc.;Recycle ground-source heat pump system 17, it can be achieved that right The temperature of first heat exchanger 5 controls, to realize the control to PV/T system conductive fluid temperature is returned to;Refrigeration system 27 is also whole It closes wherein, meets cooling in summer demand;The operating status of control system monitoring whole system.
In conjunction with shown in Fig. 4 and Fig. 5, PV/T component 1 includes battery component 111, frame module 112 and heat collecting module 113, electricity Pond component 111 includes photovoltaic cell 1112, and frame module 112 includes frame 1124, and heat collecting module 113 includes glass cover-plate 1131, sealed filling material 1132, Heat Conduction Material 1133, heat are collected capillary 1134, heat transfer oil cold flow pipeline 1135, heat and are passed Drain hot-fluid pipeline 1136, thermistor and minisize dc kinetic pump 1139.
Battery component 111 and heat collecting module 113 are integrated by U-shaped frame 1124.Battery component 111 can be with Selectively composite back plate, when 111 composite back plate of battery component, heat collecting module 113 is directly integrated with battery component 111, can be with Reduce the requirement to back veneer material;When battery component 111 does not have composite back plate, 111 back side of battery component increases electric insulation layer 23, Integrated again with heat collecting module 113, in this way can quality to PV/T component 1 and thickness control.Integrate battery component 111 When with heat collecting module 113, heat conductive silica gel is smeared between battery component 111 and heat collecting module 113, the air of delay is discharged.Battery The electricity that component 111 generates can directly be used, and can also be connected to the grid.
Heat collecting module 113 includes that double-stranded heat collects capillary 1134, and double-spiral structure is heat transfer oil cold flow The double-spiral structure or input channel 1137, output channel that pipeline 1135, heat transfer oil hot-fluid pipeline 1136 are arranged alternately 1138 double-spiral structures being arranged alternately, heat collecting module 113 include made of the high material (such as fine copper, red copper) of thermal coefficient The lesser round tube of resistance realizes uniform decrease in temperature.Heat collecting module 113 can integrate (or unconformity) heat insulation layer 1140, heat insulation layer 1140 It (16) is EPS, XPS, VIP, rock wool, mineral wool or phenol formaldehyde foam.
As shown in Fig. 6 a-6g, the helical structure that heat collects capillary 1134 can be there are many mode.Fig. 6 a-6c is by one It is the alternate concentric circles helical structure of hot and cold tube that heat, which collects the circulation arrangement of capillary 1134, can encompass different shapes, with Adapt to solar panel of different shapes;Fig. 6 d collects 1134 hot and cold tube of capillary by a heat and replaces laid out in parallel;Fig. 6 e is by two Heat collect 1134 laid out in parallel of capillary, the two inlet and outlet it is contrary, to guarantee lowering temperature uniform;Fig. 6 f into At the mouth of a river, heat collects capillary 1134 and is divided into two, and side-by-side helix arrangement shares a minisize dc kinetic pump 1139;Fig. 6 g From unlike Fig. 6 e, two heat collect capillary 1134 and are divided into two respectively in Fig. 6 g, and hot and cold tube alternating is more uniform.Heat The structure for collecting capillary 1134 can also be expanded on this basis, to guarantee uniform decrease in temperature.
As shown in Fig. 7 a-7d, Fig. 8 a shows the pipeline arrangement situation of heat collection capillary 1134 in fig. 6d, wherein Heat transfer oil cold flow pipeline 1135, heat transfer oil hot-fluid pipeline 1136 and heat collect the heat of input port 1137 of capillary and collect The output port 1138 of capillary is integrated in frame module 112.Fig. 8 b shows the shape of 1 front arrangement of PV/T component State, Fig. 8 c are the partial enlarged views of Fig. 8 b: the input port 1125 of heat transfer oil cold flow pipeline 1135, heat transfer oil hot-fluid pipeline 1135 output port 1126, the input port 1122 of heat transfer oil hot-fluid pipeline, the output port of heat transfer oil hot-fluid pipeline 1123.The Wiring port 1121 of cable.Clearance space between two neighboring component can install Miniature inverter 1138, maintenance Personnel also can use this space and repair.Fig. 8 d is telescopic heat transfer oil conduit coupling, by screwed Telescopic rod 1240,1241 gaskets and 1242 locking nuts are realized flexible.
Heat collect the input port 1137 of capillary 1134, output port 1138 respectively with heat transfer oil cold flow pipeline 1135, heat transfer oil hot-fluid pipeline 1136 is correspondingly connected with;The input port 1137 that heat collects capillary 1134 is additionally provided with miniature DC dynamo pump 1139, minisize dc kinetic pump 1139 directly takes electricity from solar panel.
Heat collects the double-spiral structure that capillary 1134 is hot and cold alternation, and the chamfering of respective degrees increases tube spacing with appropriate To reduce the circulation resistance of conductive fluid.The fusing point of the Heat Conduction Material 1133 in filled capillary pipe gap collects capillary well below heat 1134 fusing point, it is possible to which the Heat Conduction Material 1133 of direct pouring liquid on arranging well laid heat collection capillary 1134 makes The two fits closely.The efficiency that heat is collected can be increased below heat-conducting layer with composite adiabatic layer 1140, it can not also composite adiabatic layer 1140, when heat collects loop and stops working, solar panel backboard temperature can be reduced by gravity-flow ventilation.
Frame module 112 incorporates various pipelines and interface, the circuitry contacts of cable 1127 is provided on frame 1124 1121 and heat transfer oil cold flow pipeline input port 1122, output port 1123, the input port of heat transfer oil hot-fluid pipeline 1125, output port 1126;Cable 1127, heat collect input port 1137, the output port 1138 of capillary 1134, heat transfer Liquid cooling flow tube road 1135, heat transfer oil hot-fluid pipeline 1136 and minisize dc kinetic pump 1139 are all integrated in frame 1124;U Connection fixture of the frame 1124 of type also as battery component 111 and heat collecting module 113.
As shown in figure 8, the construction signal of first heat exchanger 5 and the 2nd 13, spiral helicine heat exchange coil arrangement situation is such as Shown in sectional view, the radius of spin is sequentially reduced the caliber of a heat exchange coil, realizes and is close to arrangement, and contact area is larger, Guarantee direct heat exchanger effectiveness;Heat exchange coil is that third heat exchange coil 9, second exchanges heat in the sequence of heat exchanger 5 from outside to inside Coil pipe 8, the first heat exchange coil 7;Heat exchange coil be in the sequence in heat exchanger 13 from outside to inside the 5th heat exchange coil 11, 4th heat exchange coil 10, the 6th heat exchange coil 12.Filled and process metal composite in second heat exchanger 13 and first heat exchanger 5 Phase-change material 68 is furnished with netted high-thermal conductive metal silk 69 in exchanger, enhances heat transfer efficiency.Wherein, foam metal compound phase Become the skeleton of material as foam metal Cu, Ni or Al, phase-change material be paraffin, polyoxyethylene, crystallinity rouge side sour, alkane or Esters and its mixture etc., phase transition temperature are 25 DEG C or so.Second heat exchanger 13 and the construction of first heat exchanger 5 are basic It is identical.
As shown in figure 9, the connector on PV/T component 1 and roof is equipped with the first sliding groove 60 and second sliding slot of both direction 61, the fine tuning of both direction may be implemented during installation, be aligned it with adjacent component.On the tie point with roof, it is equipped with The adjusting on third direction may be implemented in rotation axis 62, keeps it parallel or vertical with adjacent component.The cushioning in rotation axis 62 Piece can also realize the adjusting on four direction.PV/T component 1 is close to roof installation, by adjustable connector realization group Part is connect with roof, guarantees the accuracy of installation.Connector is equipped with the first sliding groove 60 and second of rotation axis 62 and both direction Sliding slot 61, PV/T component 1 can realize rotation adjustment by rotation axis, realize that translation up and down adjusts by sliding slot.
When PV/T component 1 is mounted on curtain wall, PV/T component 1 is fixed on supporting steel frame.
The installation steps of solar photoelectric light-heat building integration system of the invention:
The first step, factory photovoltaic cell component 111, frame module 112 and heat collecting module 113 be assembled into one it is whole Body is spread heat conductive silica gel at 111 back side of photovoltaic cell component and is connect with heat collecting module 113, then is realized by U-shaped frame 1124 The integration of three.
Second step, PV/T component 1 are close to roofing installation.An angle installation connecting element is selected, connector is first fixed on room Top, then PV/T component 1 is semifixed on connector.Rotation adjustment is carried out, keeps it parallel or vertical with adjacent component;Direction tune It is whole it is good after, translation up and down is carried out by sliding slot 60,61 and is adjusted, is being aligned it with adjacent component.It is fixed after the completion of adjustment All adjustable tie points, install the connector at other three angles on connector.
Third step, connecting cable and heat transfer oil conveyance conduit connect the circuit connection being reserved in frame module 112 End;Telescopic heat transfer oil conduit coupling is connected with the interface 1125 that PV/T component 1 is reserved on frame, adjustment member Length connect it with the spare interface 1126 of next PV/T component 1, after all connecting, tightens self-locking nut 1242, makes every A tie point is all fixed.Heat transfer oil conveyance conduit is connect with the total bus dump of heat transfer oil.
4th step is fixed on Miniature inverter 1138 in the space reserved between PV/T component 1, first installation terminal box, Miniature inverter 1138 is fixed on bracket, corresponding wiring is carried out, Miniature inverter 1138 is grounded, finally and photovoltaic Plate connection.
PV/T component 1 is connected by the 5th step with collecting system, and collecting system connects ground-source heat pump system and moderate and high temperature heat System;Thermo-electric generation system is integrated into system, is connected respectively with moderate and high temperature heat system and ground-source heat pump system;Again heat Water system, heating system, dehumidification system and refrigeration system are integrated into composite system.Finally, each corresponding sense of system setting Device and actuator are answered, and control system will be connected to, realizes the intelligent management to whole BIPV/T composite system and control.
6th step, debug circuit and heat transfer oil conveying circuit etc..It turns on the switch, connects route, see various components and be Whether system can operate normally.If whether detection components are damaged or route has fault-free it was found that there is part to be not normally functioning, Replacement maintenance can be carried out after ascertaining the reason.
7th step is sealed, waterproof and protection circuit after debugging is normal.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the invention is not limited in any way for examples detailed above, all skills obtained by the way of equivalent substitution or equivalent transformation Art scheme, falls within the scope of protection of the present invention.

Claims (8)

1. a kind of solar photoelectric light-heat building integration system, which is characterized in that including PV/T system, ground-source heat pump system, Moderate and high temperature heat system, Low Temperature Difference electricity generation system, refrigeration system, hot-water heating system, heating system, dehumidification system and control system;
PV/T system includes PV/T component, the first kinetic pump, the first expansion valve, the first liquid replenisher and first heat exchanger;
The ground-source heat pump system includes outdoor system, the second kinetic pump, third expansion valve, the 4th liquid replenisher, third heat exchange plate Pipe and first heat exchanger;
The moderate and high temperature heat system includes high temperature heat pump, the first three-way ball valve, the second expansion valve, the second liquid replenisher, second changes Hot coil, the 4th heat exchange coil and first heat exchanger, second heat exchanger;
The Low Temperature Difference electricity generation system includes second heat exchanger, hot end, cold end, cooling chamber, semi-conductor thermoelectric device, insulation Layer, voltage change and power governor and earth source heat pump;
The refrigeration system includes moderate and high temperature heat, the first three-way ball valve, the second liquid replenisher, the second expansion valve, the 7th heat exchange plate Pipe, the 4th heat exchange coil and second heat exchanger;
The hot-water heating system includes the 8th heat exchange coil, the second expansion valve, hot and cold water pipe and second heat exchanger;
The heating system includes the 9th heat exchange coil, the second three-way ball valve, third liquid replenisher and second heat exchanger;
The dehumidification system includes second heat exchanger, dehumidifier, three-way ball valve, heat exchange coil, regenerator and cooler;
The control system includes sensor, actuator, the sensor include temperature sensor, pressure sensor, monitor, Thermistor, the actuator include the first three-way ball valve, the first kinetic pump, heat pump;
The PV/T system, the ground-source heat pump system, the moderate and high temperature heat system share the same first heat exchanger;Institute It states moderate and high temperature heat system and the refrigeration system shares the same moderate and high temperature heat and the second expansion valve;The high temperature heat Pump, the refrigeration system, the Low Temperature Difference electricity generation system, the hot-water heating system, the heating system, the dehumidification system are shared The same second heat exchanger.
2. solar photoelectric light-heat building integration system according to claim 1, which is characterized in that the cooling chamber packet Radiating fin is included, the cooling coil that is connected with earth source heat pump, Foam metal composite phase-change material, the high-thermal conductive metal of net distribution Silk, the skeleton of Foam metal composite phase-change material are foam metal Cu, Ni or Al, and phase-change material is capric acid-lauric acid binary System and n-caproic acid, ethyl benzoate, gaultherolin, oleic acid, n-tetradecane or hexadecane and its mixture, Xiang Bianwen 15 DEG C or so of degree.
3. solar photoelectric light-heat building integration system according to claim 1, which is characterized in that the PV/T component Including battery component, frame module and heat collecting module, the battery component includes photovoltaic cell, and the frame module includes side Frame, the heat collecting module include glass cover-plate, sealed filling material, Heat Conduction Material, heat collection capillary, heat transfer oil cold flow pipe Road, heat transfer oil hot-fluid pipeline, thermistor and minisize dc kinetic pump.
4. solar photoelectric light-heat building integration system according to claim 3, which is characterized in that the battery component Selectively composite back plate, when battery component composite back plate, heat collecting module is directly integrated with battery component, and battery component is not multiple When closing backboard, the battery component back side increases electric insulation layer, then integrates with heat collecting module, when integrating battery component and heat collecting module, Heat conductive silica gel is smeared between battery component and heat collecting module so that the air of delay is discharged.
5. solar photoelectric light-heat building integration system according to claim 3, which is characterized in that the heat collecting module Capillary is collected including double-stranded heat, the double-spiral structure includes cold pipe, heat pipe heat transfer oil cold flow pipeline, heat biography The double-spiral structure that the double-spiral structure or input channel, output channel that drain hot-fluid pipeline is arranged alternately are arranged alternately.
6. solar photoelectric light-heat building integration system according to claim 5, which is characterized in that the heat collects hair Input port, the output port of tubule are correspondingly connected with heat transfer oil cold flow pipeline, heat transfer oil hot-fluid pipeline respectively;It is described defeated Inbound port is provided with minisize dc kinetic pump, and minisize dc kinetic pump directly takes electricity from solar panel.
7. solar photoelectric light-heat building integration system according to claim 1, which is characterized in that the PV/T component The back side is equipped with thermistor, and connect with minisize dc kinetic pump, is supervised and is controlled by the control system.
8. solar photoelectric light-heat building integration system according to claim 1, which is characterized in that the PV/T component It is close to roof installation, realizes that component is connect with roof by adjustable connector, the connector is equipped with rotation axis and exists respectively The first sliding groove and second sliding slot of both direction, PV/T component realize rotation adjustment by the rotation axis, pass through described first Sliding slot and second sliding slot realize translation adjustment up and down.
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