CN102563891A - Capillary tube radiation cooling type photovoltaic electricity and heat combined using device - Google Patents
Capillary tube radiation cooling type photovoltaic electricity and heat combined using device Download PDFInfo
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- CN102563891A CN102563891A CN2010106216567A CN201010621656A CN102563891A CN 102563891 A CN102563891 A CN 102563891A CN 2010106216567 A CN2010106216567 A CN 2010106216567A CN 201010621656 A CN201010621656 A CN 201010621656A CN 102563891 A CN102563891 A CN 102563891A
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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
- 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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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Abstract
The invention discloses a capillary tube radiation cooling type photovoltaic electricity and heat combined using device, which comprises a photovoltaic component, a capillary tube, a heat insulating layer and a metallic skin, wherein the photovoltaic component comprises a photovoltaic plate and is used for receiving sunlight to generate electricity and heat; the capillary tube is arranged on a back of the photovoltaic component in a contacted manner; cooling medium flows in the capillary tube for absorbing heat generated by the photovoltaic component so as to cool the photovoltaic component; the heat insulating layer is arranged on the back of the capillary tube in a contacted manner and is used for preventing the back of the capillary tube from exchanging heat with the external world; and the metallic skin is used for covering the outside of the photovoltaic electricity and heat combined using device and for forming a frame so as to encapsulate the photovoltaic component, the capillary tube and the heat insulating tube. The photovoltaic electricity and heat combined using device according to the invention can effectively improve the heat transfer stability and the heat distribution uniformity, thereby improving the solar photovoltaic generation efficiency and prolonging the service life of a photovoltaic generation component.
Description
Technical field
The present invention relates to a kind of photovoltaic electric-heating combined apparatus that utilizes solar photovoltaic generating, gives birth to heat, concrete, relate to a kind of capillary radiation cooling type photovoltaic electric-heating combined apparatus, and the photovoltaic electric-heating combined system that adopts this device.
Background technology
The photovoltaic electric-heating GC-MS is a kind of solar photovoltaic generating, living heat utilized, and integrates the new type solar energy comprehensive utilization technique of solar photovoltaic generating and solar thermal utilization.This technological industrialization, commercialization are to impel solar utilization technique upgrading, perfect important driving force, will improve the solar energy utilization ratio greatly, and help promoting the use of of solar utilization technique.
Heat utilization technology in the photovoltaic electric-heating GC-MS of the prior art adopts liquid cooling and air cooling dual mode to absorb heat to carry out the recuperation of heat utilization usually.Wherein, air cooling adopts cavity, transmits heat with the cools solar cell plate through the mode of convection current.The metal tube that liquid cooling is then adopted Heat Conduction Materials such as copper, aluminium usually with the mode cools solar cell plate of heat conduction, transmits heat to carry out the recuperation of heat utilization as flow channel and heat exchanger channels.In existing liquid cooling photovoltaic electric-heating combined system, adopt bracing frame to fix between photovoltaic panel and the metal tube usually, perhaps be adhesively fixed through the mode that increases contact area.Wherein, welding manners such as argon arc welding, fusion weld are mainly adopted in the sealing of metal tube.But there are following problems in above-mentioned heat utilization technology of the prior art in design with in making.
For example metal tube corrosion-resistant and and photovoltaic module between connectivity problem.The heat-resisting quantity of metal tube is good, but corrosion-resistant, the inner surface easy scale formation, thus pipe resistance increased.And for a long time fatigue and high temperature will have a strong impact on the generation that is connected between the photovoltaic module (like glass) metal.The deterioration meeting that is connected between metal tube and the photovoltaic module had a negative impact to the life-span of entire equipment, also can restrict the degree that liquid utilizes the cooling effect and the recuperation of heat of photovoltaic module greatly.
The heat distribution homogeneity question of photovoltaic module for example because the thermal conductivity factor of metal is high, the response time is fast, causes hot maldistribution, and then can have influence on the whole generating efficiency of photovoltaic module again.
Again for example, has the different coefficients of expansion between photovoltaic panel and heat exchange metal tube, if adopt hard the connection probably under sweltering heat or severe cold situation, to cause the problems such as spalling of photovoltaic panel.
In addition, also have the problem of metal tube heat exchanger leakage welding, copper pipe for example, the general fusion weld that adopts of copper pipe welding, this needs higher temperature, and produce in the welding process collapse star and possibly be splashed on the photovoltaic panel, with causing bursting of photovoltaic panel.
In addition, if adopt the copper pipe mode to absorb heat to carry out the recuperation of heat utilization, because copper valency continuous rise (for example present copper valency is about 30 yuan/kg) has caused the initial outlay cost higher.
Summary of the invention
The purpose of this invention is to provide a kind of capillary radiation cooling type photovoltaic electric-heating combined apparatus.According to technical scheme of the present invention, the capillary of solar photovoltaic generating assembly with the thermoplastic that is used for the fluid radiation refrigeration combined, thereby can simply realize both effective combinations.
According to an aspect of the present invention, a kind of capillary radiation cooling type photovoltaic electric-heating combined apparatus is provided, this photovoltaic electric-heating combined apparatus comprises: photovoltaic module, and it has photovoltaic panel, is used to receive solar light irradiation to produce electric energy and heat; Capillary, the back side that is arranged on said photovoltaic module of contact, its internal flow has cooling medium, and the heat that is used to absorb said photovoltaic module generation is to reduce its temperature; Heat-insulation layer, contact be arranged on the said back side capillaceous, be used to prevent the said back side capillaceous and the extraneous exchange heat that takes place; Metal sheath is used to cover the outside of said photovoltaic electric-heating combined apparatus and forms a framework, to encapsulate said photovoltaic module, capillary and heat-insulation layer.
Wherein, the tubule processed by thermoplastic of said capillary is netted arrangement and forms.
Optional, be connected through heat-conducting glue between said capillary and the said photovoltaic module.
Optional, between said photovoltaic module and said capillary, being provided with heat conductive pad, this heat conductive pad is provided with fixed mount, and it is used to hold and fixing said capillary.
Optional, said photovoltaic module only comprises said photovoltaic panel, the back side that is arranged on said photovoltaic panel of said capillary contact.
Optional, said photovoltaic module also comprises the glass back plate that is arranged on the said photovoltaic panel back side, what said capillary contacted is arranged on the said glass back plate.
Optional, said thermoplastic is PA tube, polyethylene pipe, three type PA tubes, crosslinked polyethylene pipe, heat-resisting polyethylene tube or rubber tube.
According to another aspect of the present invention; A kind of photovoltaic electric-heating combined system is provided; Said photovoltaic electric-heating combined system adopts aforementioned capillary radiation cooling type photovoltaic electric-heating combined apparatus, and wherein, the hot water that produces in the said capillary supplies water as domestic hot-water or heating.What produce in the said capillary is colod-application in the building cooling.
Capillary radiation cooling type photovoltaic electric-heating combined apparatus according to the present invention all is superior to the metal partition heat-exchanger rig of prior art significantly at the aspects such as stability, heat distribution uniformity, maintenance and repair convenience of conducting heat.Therefore, the raising photovoltaic efficiency that the present invention can be favourable prolongs the photovoltaic electrification component life-span, improves equipment dependability, and improves the solar energy composite utilization ratio.
Description of drawings
Fig. 1 is the sectional view according to the capillary radiation cooling type photovoltaic electric-heating combined apparatus of the embodiment of the invention;
Fig. 2 is the partial section according to the photovoltaic electric-heating combined apparatus of first embodiment of the invention;
Fig. 3 is the partial section according to the photovoltaic electric-heating combined apparatus of second embodiment of the invention;
Fig. 4 is the partial section according to the photovoltaic electric-heating combined apparatus of third embodiment of the invention;
Fig. 5 is the outline drawing of photovoltaic electric-heating combined apparatus of the present invention;
Fig. 6 is used for a kind of capillary array structure chart of the present invention;
Fig. 7 is used for another kind of capillary array structure chart of the present invention;
Fig. 8 is the operation sketch map that adopts the photovoltaic electric-heating combined system of photovoltaic electric-heating combined apparatus of the present invention;
Fig. 9 is the operation sketch map that adopts the another kind of photovoltaic electric-heating combined system of photovoltaic electric-heating combined apparatus of the present invention.
The specific embodiment
For making the object of the invention, technical scheme and advantage more cheer and bright, below in conjunction with the specific embodiment and with reference to accompanying drawing, to further explain of the present invention.
Fig. 1 is the sectional view according to the capillary radiation cooling type photovoltaic electric-heating combined apparatus of the embodiment of the invention.
As shown in Figure 1, according to the direction of sunshine incident, capillary radiation cooling type photovoltaic electric-heating combined apparatus of the present invention is disposed with photovoltaic module, capillary, heat-insulation layer and metal sheath from top to bottom.
Photovoltaic module is the modular assembly that is used for photovoltaic generation, is used to receive solar light irradiation to produce electric energy and heat.Usually, photovoltaic module comprises photovoltaic panel, face glass and the glass back plate of accepting solar light irradiation.Wherein, face glass is bonded in the front of photovoltaic panel, and glass back plate is bonded in the back side of photovoltaic panel, utilizes doubling these three adhering components together usually.Wherein, photovoltaic panel has the photovoltaic generation P-N knot that can accept solar light irradiation and produce electric energy, and the material of photovoltaic panel can be materials such as monocrystalline silicon, polysilicon, non-crystalline silicon, silica-base film.Optional, the face glass among the present invention is a ultrawhite safety glass, glass back plate is a safety glass.
The back side that is arranged on said photovoltaic module of capillary contact, the heat that is used to absorb said photovoltaic module generation is to reduce its temperature.The capillary radiation refrigerating plant that capillary is made up of according to certain arrangement mode (being arranged in netted usually) the thermoplasticity tubule is used for photovoltaic panel surface emissivity cooling and systems radiate refrigeration.Diameter capillaceous can be 3.35*0.5mm, the 4.3*0.8mm equidimension, but being not restricted to this, those skilled in the art can select size capillaceous according to actual needs, and can not influence enforcement of the present invention.
Usually, the every rising of the temperature of photovoltaic module once, photovoltaic efficiency will reduce by 0.2% to 0.6%, therefore, through capillary photovoltaic module cooled off and can improve photovoltaic efficiency.In addition, at the night in summer, capillary can be used as the condenser of refrigeration system, through cold-producing medium (for example aqueous water) flowing in capillary, and can be in the ambient atmosphere environment with heat radiation.
In an embodiment of the present invention; Material capillaceous adopts thermoplastic, for example PA tube (PP pipe), polyethylene pipe (PE pipe), three type PA tubes (PPR pipe), crosslinked polyethylene pipe (PEX pipe), heat-resisting polyethylene tube (PE-RT pipe) or rubber tube (for example acrylonitrile-butadiene rubber etc.) etc.
Heat-insulation layer contact be arranged on the capillary back side, be used to prevent the said back side capillaceous and the extraneous exchange heat that takes place, to guarantee the cooling photovoltaic module of capillary continuous and effective, improve photovoltaic efficiency.Specifically, can prevent that the back side capillaceous from causing temperature to raise with extraneous the contact, thereby reduce the radiation refrigeration effect of capillary photovoltaic module.On the other hand, can prevent that also capillary from losing from its back side from the heat that photovoltaic module absorbs, and lower the recycle efficient of heat.Among the present invention, what the heat-insulation layer material was optional is extruded sheet or polyurethane etc., but does not limit therewith, and any material with heat insulation function can both be applicable to the present invention.
Metal sheath covers whole device outside, is used to encapsulate the parts of whole device, with the modular assembly of being integrally formed, is convenient to design and installation.In addition, the metal flanging on metal sheath surface can be fixed on photovoltaic module in the framework, plays the effect that installs and fixes.The material of metal sheath can be stainless steel, aluminium alloy or other alloys etc., and the thickness of metal sheath can be in 3 to 5 millimeter, also can be provided with thinlyyer or thicker.
Fig. 2 is the partial section according to the photovoltaic electric-heating combined apparatus of first embodiment of the invention.
As shown in Figure 2, be connected through heat-conducting glue between capillary and the photovoltaic module.The temperature of photovoltaic module lower (being usually less than 100 degrees centigrade) among the present invention, heat-conducting glue therefore commonly used all can be applicable to the present invention, for example heat conductive silica gel etc.In addition, the capillary back side is provided with backing plate, is provided with above it and holds draw-in groove capillaceous, is used to hold and fixed capillary.During installation, only need capillary be engaged in the draw-in groove and get final product, thereby help the modularization production and the assembling of parts.
Fig. 3 is the partial section according to the photovoltaic electric-heating combined apparatus of second embodiment of the invention.
With embodiment illustrated in fig. 2 different; Between photovoltaic module shown in Figure 3 and the capillary is not to be connected through heat-conducting glue, but the optional heat conductive pad that is provided with, and with heat-conducting glue heat conductive pad is bonded to the photovoltaic module back side; Heat conductive pad is provided with fixed mount, is used to hold and fixed capillary.Here, fixed mount can be integrally formed being arranged on the heat conductive pad, also is arranged on the heat conductive pad through modes such as welding, gluing, riveted joints.When assembling, only need capillary be snapped in this fixed mount, just can simply realize secure bond.Among the present invention, the material of heat conductive pad can be a sheet metal, like aluminium flake or copper sheet etc., also can be and the capillary identical materials.
Fig. 4 is the partial section according to the photovoltaic electric-heating combined apparatus of third embodiment of the invention.
With removed glass back plate in embodiment illustrated in fig. 2 different, the shown in Figure 4 photovoltaic module, thereby capillary is tied through the P-N that heat-conducting glue or heat conductive pad bond to the photovoltaic panel back side.Like this, can simplify the structure of photovoltaic electrification component, and can further reduce the temperature of photovoltaic electrification component, improve photovoltaic efficiency.
Fig. 5 is the outline drawing of photovoltaic electric-heating combined apparatus of the present invention.
As shown in Figure 5, the present invention utilizes metal sheath to cover whole device outside to form a framework, is used to encapsulate the building block of whole device, with the modular assembly of being integrally formed.And metal sheath is bent to form the metal flanging in the front of said photovoltaic electric-heating combined apparatus, and this metal flanging is used for photovoltaic module is fixed in the framework, plays the effect that installs and fixes.In addition, the outside of device is provided with the import and the outlet of cooling medium, is used for entering and discharge at the cooling medium of flow in capillary tube, realizes the recycle of heat energy.
In the present invention, the cooling medium of use can be a water, also can be other media, and like ethylene glycol etc., concrete condition should be decided according to the service condition of locality.For example, can adopt water as heat transferring medium in hot summer and warm winter region, the winter cryogenic region then considered adopt to add that some are antifreeze or all be adopted as the low-freezing medium, to avoid the expand tube problem of freezing, the heat exchange of this moment can realize through wall-type heat exchange.
Fig. 6 is used for a kind of capillary array structure chart of the present invention.
As shown in Figure 6, the water inlet pipe of capillary and photovoltaic electric-heating combined apparatus and outlet pipe vertical connection.Wherein, every pair of adjacent end capillaceous is communicated to water inlet pipe and outlet pipe respectively, and the other end communicates with each other, thereby forms the Inlet and outlet water circulation of two-way flow.It is right that whole photovoltaic electrothermal combined using device can be provided with a plurality of such bidirectional flow type capillaries.Here, water inlet pipe and outlet pipe also do not mean that and are defined as water to cooling medium, can be other cooling mediums yet.
According to the structure of present embodiment, because the phenomenon of local temperature accumulation can be effectively avoided in bidirectional flow type circulation, thereby make the uniformity of temperature profile of photovoltaic panel, the cooling effect of photovoltaic panel is better.
Fig. 7 is used for another kind of capillary array structure chart of the present invention.
As shown in Figure 7, the water inlet pipe of capillary and photovoltaic electric-heating combined apparatus and outlet pipe vertical connection.With embodiment illustrated in fig. 6 different be that the two ends of every capillary are communicated to water inlet pipe and outlet pipe respectively in the present embodiment, thereby form the Inlet and outlet water circulation of one-way flow.In this case, it is lower to appear near the temperature of water inlet, and the high relatively phenomenon of temperature causes cooling effect inhomogeneous near delivery port.But, can realize the even relatively of Temperature Distribution through modes such as adjustment cooling medium flow velocity, flows.
Fig. 8 is the operation sketch map that adopts the photovoltaic electric-heating combined system of photovoltaic electric-heating combined apparatus of the present invention.
As shown in Figure 8, under the sufficient situation at sunshine, the photovoltaic electric-heating combined apparatus absorbs sunshine and produces electric energy by day, and electric power is through inverter output.Simultaneously, reduce the temperature of the photovoltaic module of photovoltaic electric-heating combined apparatus, thereby improve the light generating efficiency through the capillary radiation refrigeration.On the other hand, the hot water that produces in the capillary can be used as the domestic hot-water, or combines to supply water as heating with heating system (like heat pump or floor heating etc.), realizes that winter is to the heating in building.At night in summer; The photovoltaic electric-heating combined apparatus can be as the condenser or the radiator of refrigeration system; Through water in the system in capillary circulate and thereby front panel through photovoltaic panel obtains low-temperature cold water with heat radiation in environment; Cold water is stored in and offers the cooling that building is carried out day or night in the cold water holding vessel, reduces the energy requirement of building to refrigeration duty.Above-mentioned water cycles through water pump and drives.
Fig. 9 is the operation sketch map that adopts the another kind of photovoltaic electric-heating combined system of photovoltaic electric-heating combined apparatus of the present invention.
Photovoltaic electric-heating combined system shown in Figure 9 and the example of Fig. 8 are basic identical; Unique different be can the photovoltaic electric-heating combined apparatus be combined with refrigeration unit at night in summer; Thereby become the part of refrigeration unit, promptly constitute the condenser (being the direct-expansion type refrigeration) of refrigeration unit.That is to say that the photovoltaic electric-heating combined apparatus in the present embodiment is as the condenser of refrigeration system.Optional, also can pass through wall-type heat exchange, with the cold water that produces in the circulation and the condenser heat-shift of refrigeration unit.
Among the present invention, the setting angle of photovoltaic electric-heating combined apparatus is configured such that land used latitude ± 15 degree usually.Specifically, if install at horizontal plane (like ground), then setting angle is ± 15 degree, if install at vertical plane (like metope), then is installed as parallel with vertical plane.In addition, at low latitudes, also can adopt 0 degree to install for flat roof.Like this, can guarantee that direct light as much as possible is radiated on the surface of photovoltaic electric-heating combined apparatus in the whole year, to improve photovoltaic efficiency.
The present invention is intended to protect a kind of capillary radiation cooling type photovoltaic electric-heating combined apparatus; This device combines the capillary of solar photovoltaic generating assembly with the thermoplastic that is used for fluid radiation refrigeration, is convenient to utilize the two effective combination of the bonding realization of simple heat-conducting glue.And then, can satisfy integration requirement, and form the photovoltaic electric-heating combined system that can fully utilize energy architectural power supply, cooling, heat supply, realized making full use of to solar photoelectric, photo-thermal.
Capillary radiation cooling type photovoltaic electric-heating combined apparatus of the present invention has following beneficial technical effects.
1) adopts the capillary radiation refrigeration to combine, can improve the heat distribution uniformity of photovoltaic panel greatly, avoid occurring the problem that local temperature is too high, photovoltaic efficiency reduces, thereby improve the life-span and the photovoltaic efficiency of photovoltaic electrification component with photovoltaic module.
2) adopt between capillary and the photovoltaic module and be flexible coupling, promptly link to each other through heat-conducting glue, install easy, simple in structure, applicability is strong.And because uniformity of temperature profile, the temperature fluctuation of in running, installing is less, helps device continuous service under various operating modes, has improved the stability of device performance.
3) sealing capillaceous can realize through sweat soldering, and the required condition of this kind welding satisfies easily, and sealing effectiveness is better, thereby has simplified manufacturing process, has reduced the manufacturing installation cost.
Should be understood that the above-mentioned specific embodiment of the present invention only is used for exemplary illustration or explains principle of the present invention, and is not construed as limiting the invention.Therefore, any modification of under situation without departing from the spirit and scope of the present invention, being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.In addition, accompanying claims of the present invention be intended to contain fall into accompanying claims scope and border, or the equivalents on this scope and border in whole variations and modification.
Claims (17)
1. capillary radiation cooling type photovoltaic electric-heating combined apparatus, this photovoltaic electric-heating combined apparatus comprises:
Photovoltaic module, it has photovoltaic panel, is used to receive solar light irradiation to produce electric energy and heat;
Capillary, the back side that is arranged on said photovoltaic module of contact, its internal flow has cooling medium, and the heat that is used to absorb said photovoltaic module generation is to reduce its temperature;
Heat-insulation layer, contact be arranged on the said back side capillaceous, be used to prevent the said back side capillaceous and the extraneous exchange heat that takes place;
Metal sheath is used to cover the outside of said photovoltaic electric-heating combined apparatus and forms a framework, to encapsulate said photovoltaic module, capillary and heat-insulation layer.
2. device according to claim 1, wherein, the tubule that said capillary is processed by thermoplastic is netted arrangement and forms.
3. device according to claim 1, wherein, said photovoltaic module only comprises said photovoltaic panel, the back side that is arranged on said photovoltaic panel of said capillary contact.
4. device according to claim 1, wherein, said photovoltaic module also comprises the glass back plate that is arranged on the said photovoltaic panel back side, what said capillary contacted is arranged on the said glass back plate.
5. according to each described device in the claim 1 to 4, wherein, be connected through heat-conducting glue between said capillary and the said photovoltaic module.
6. according to each described device in the claim 1 to 4, wherein, between said photovoltaic module and said capillary, be provided with heat conductive pad, this heat conductive pad is provided with fixed mount, and it is used to hold and fixing said capillary.
7. device according to claim 6 wherein, bonds to said heat conductive pad through heat-conducting glue the back side of said photovoltaic module.
8. device according to claim 2, wherein, said thermoplastic is PA tube, polyethylene pipe, three type PA tubes, crosslinked polyethylene pipe, heat-resisting polyethylene tube or rubber tube.
9. according to each described device in the claim 1 to 4; Wherein, The water inlet pipe of said capillary and said photovoltaic electric-heating combined apparatus and outlet pipe vertical connection; Every pair of adjacent end capillaceous is communicated to water inlet pipe and outlet pipe respectively, and the other end communicates with each other, thereby forms the Inlet and outlet water circulation of two-way flow.
10. according to each described device in the claim 1 to 4; Wherein, The water inlet pipe of said capillary and said photovoltaic electric-heating combined apparatus and outlet pipe vertical connection, the two ends of every capillary are communicated to water inlet pipe and outlet pipe respectively, thereby form the Inlet and outlet water circulation of one-way flow.
11. according to each described device in the claim 1 to 4, wherein, the material of said photovoltaic panel is monocrystalline silicon, polysilicon, non-crystalline silicon or silica-base film.
12. according to each described device in the claim 1 to 4, wherein, said metal sheath is bent to form the metal flanging in the front of said photovoltaic electric-heating combined apparatus, this metal flanging is used for photovoltaic module is fixed in the said framework.
13. according to each described device in the claim 1 to 4, wherein, the material of said metal sheath is aluminium alloy or stainless steel.
14. according to each described device in the claim 1 to 4, wherein, said cooling medium is water or other low-freezing media.
15. a photovoltaic electric-heating combined system, said photovoltaic electric-heating combined system adopt each described capillary radiation cooling type photovoltaic electric-heating combined apparatus of aforementioned claim, wherein, the hot water that produces in the said capillary supplies water as domestic hot-water or heating.
16. system according to claim 15, wherein, the cold water that produces in the said capillary is stored in the cold water holding vessel, is used for the building cooling.
17. system according to claim 15, wherein, said photovoltaic electric-heating combined apparatus is used as the condenser of refrigeration system, the cold water that produces in the said capillary and the condenser heat-shift of refrigeration unit.
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| CN2010106216567A CN102563891A (en) | 2010-12-28 | 2010-12-28 | Capillary tube radiation cooling type photovoltaic electricity and heat combined using device |
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| CN104966755A (en) * | 2015-07-21 | 2015-10-07 | 中国建筑科学研究院天津分院 | Solar cell panel cooling system suitable for pluvial region |
| CN105605799A (en) * | 2014-06-14 | 2016-05-25 | 马根昌 | Photovoltaic power generation hot water system |
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| CN106685314A (en) * | 2017-02-17 | 2017-05-17 | 中国葛洲坝集团电力有限责任公司 | Photovoltaic photo-thermal equipment applicable for buildings |
| CN110149095A (en) * | 2019-06-18 | 2019-08-20 | 东北林业大学 | A kind of photovoltaic and photothermal solar integral system using capillary recycling waste heat |
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| CN113691217A (en) * | 2021-08-31 | 2021-11-23 | 保定嘉盛光电科技股份有限公司 | Photovoltaic module with temperature adjusting function |
| CN115132870A (en) * | 2022-07-07 | 2022-09-30 | 陕西煤业新型能源科技股份有限公司 | Solar photovoltaic micro-channel cooling device based on electroosmosis driving |
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Application publication date: 20120711 |