CN203839391U - Solar photovoltaic and photo-thermal composite assembly - Google Patents

Solar photovoltaic and photo-thermal composite assembly Download PDF

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Publication number
CN203839391U
CN203839391U CN201420290448.7U CN201420290448U CN203839391U CN 203839391 U CN203839391 U CN 203839391U CN 201420290448 U CN201420290448 U CN 201420290448U CN 203839391 U CN203839391 U CN 203839391U
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China
Prior art keywords
photovoltaic
thermal
photo
assembly
heat
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Expired - Fee Related
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CN201420290448.7U
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Chinese (zh)
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苑进社
高向明
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Chongqing Normal University
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Chongqing Normal University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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 utility model discloses a solar photovoltaic and photo-thermal composite assembly. The solar photovoltaic and photo-thermal composite assembly comprises a photovoltaic assembly and a photo-thermal assembly. The photovoltaic assembly includes solar photovoltaic cells, and an EVA film layer and a transparent resin protective layer that are successively bonded to the upper surfaces of the solar photovoltaic cells. An ETFE film layer and a heat conduction base plate are successively bonded to the lower surfaces of the solar photovoltaic cells. A flexible graphite plate is disposed between the ETFE film layer and the heat conduction base plate. The service life of the solar photovoltaic assembly and the photo-thermal assembly is prolonged. The solar photovoltaic and photo-thermal composite assembly is a photovoltaic and photo-thermal integrated assembly that has a simple structure, is convenient to mount and is low in cost. The photovoltaic and photo-thermal integrated assembly enables the conversion efficiency of photovoltaic cells to be increased, the photo-thermal and photovoltaic conversion performance to be improved and the solar utilization efficiency to be increased, allows solar power generation and hot water supplying to be achieved by the same body at the same time, and helps to save space resources.

Description

Photovoltaic and photothermal solar composite component
Technical field
The utility model relates to solar energy generation technology field, particularly photovoltaic and photothermal solar composite component.
Background technology
Solar module is mainly made as basis taking semi-conducting material, and basic structure comprises framework and is arranged at the modular construction in framework.Wherein, modular construction comprises front surface glass substrate, transparent sealing part (as EVA glue), cell piece and the back of the body sealing film (rear surface guard block, as PVF polyvinyl fluoride, TPT/TPE) etc. of printing opacity.Operation principle is that sunlight sees through substrate and is radiated on photo-electricity generating device, and photo-electricity generating device is directly electric energy by transform light energy by photoelectric effect, through and the matching used photovoltaic junction box of battery component, will after electric energy output, use.Solar cell is becoming transform light energy in the process of electric energy, is not all to convert whole luminous energy to electric energy.Theoretical research shows, the Theoretical Physics limit of the conversion efficiency of the solar cell of one pole single crystal silicon material in the time of 0 DEG C is 30%.Under the certain condition of light intensity, in the time that silion cell self temperature raises, power output will decline.In actual applications, under reference condition, crystal silicon cell average efficiency is upper and lower 15%.That is to say, solar cell can only become available electrical energy by 15% transform light energy, and remaining 85% is all converted into heat energy.In transfer process, along with the increase of heat energy, battery temperature constantly raises, and except photoelectric conversion efficiency reduces greatly, also will shorten the useful life of solar cell.For solar module can normally be worked muchly, in prior art, add heat abstractor (be similar to the cooling system such as water-cooled, air cooling, by recirculated water or circulating air heat absorption, reach heat radiation object) outward in framework.But heat energy is also the part that solar module absorbs the solar radiation energy, if this part energy can be taken out and collects, be used, but not be regarded as the harmful heat that needs dissipation, just can reach the object that makes full use of the energy, and widen the use function of solar module.For making as far as possible battery efficiency remain on higher level, make full use of the solar radiation energy of absorption, avoid the impact of heat on assembly photoelectric conversion efficiency simultaneously, extend the useful life of battery component, can, by heat-conducting layer is set on solar module, by the heat absorption conduction producing in photoelectric conversion process, and derive modular construction by the heat conducting element of its connection, collected by extraneous heat-obtaining pipeline, offer follow-up thermal hardware and use.According to the position of its layout, in solar components seal or outside seal, heat-conducting layer selects insulating material or highly heat-conductive material to make.Heat conducting element can be the metal species element with the high capacity of heat transmission, or the capacity of heat transmission is higher than heat pipe of metal species element etc.
The composite component of photovoltaic and photothermal solar comprehensive utilization also has research at present, be mostly by thermal-collecting tube supersonic welding to collecting plate, collecting plate and solar photovoltaic assembly fit, or thermal-collecting tube is fixedly connected on to the shady face of solar photovoltaic assembly, then heat insulating board formation is installed below thermal-collecting tube.Thermal-collecting tube is to be fixedly installed on the photovoltaic module back side, is hard contact with photovoltaic module and heat insulating board.Because photovoltaic and photothermal solar assembly generally all uses out of doors, and between thermal-collecting tube or collecting plate and photovoltaic module and thermal-collecting tube and heat-insulation and heat-preservation backboard, be hard contact in transport and installation process, cell piece is easily broken up, and photovoltaic module is not completely smooth by light face, bad with contacting of collecting plate, affect heat transfer efficiency.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of photovoltaic and photothermal solar composite component, improve the useful life of photovoltaic module, a kind of simple in structure, easy for installation, lower-cost photovoltaic and photothermal integral assembly is provided, this photovoltaic and photothermal integral assembly can increase the conversion efficiency of photovoltaic cell, increases solar energy conversion efficiency in unit are.
Photovoltaic and photothermal solar composite component of the present utility model, comprise photovoltaic module and photo-thermal assembly, described photovoltaic module comprise solar-energy photo-voltaic cell sheet with and upper surface EVA rete and the transparent resin overcoat of bonding setting successively, its lower surface is bonding tetrafluoroethene ETFE rete and the conductive sole plate of being provided with successively, between described tetrafluoroethene ETFE rete and conductive sole plate, flexible graphite plate is set;
Further, described photo-thermal assembly comprises the thermal-collecting tube that is arranged at the conductive sole plate back side, and described hot device arranged outside has heat-insulation and heat-preservation backboard, between described thermal-collecting tube and heat-insulation and heat-preservation backboard, rubber and plastic heat-insulation layer is set;
Further, described rubber and plastic heat-insulation layer is provided with for the fixing groove that matches with thermal-collecting tube outer surface;
Further, described thermal-collecting tube is the many hollow copper tubings that are fixed on conductive sole plate in the mode being parallel to each other;
Further, described thermal-collecting tube is serpentine coil;
Further, described hollow copper tubing is fixedly welded on conductive sole plate, and described conductive sole plate is aluminium sheet;
Further, transparent resin overcoat is toughened glass cover plate;
Further, the distance between described toughened glass cover plate and conductive sole plate is 25mm;
Further, the tube pitch of described hollow copper tubing from the ratio of its caliber be 6.25.
The beneficial effects of the utility model: photovoltaic and photothermal solar composite component of the present utility model, improve the useful life of solar photovoltaic assembly and photo-thermal assembly, simple in structure, easy for installation, lower-cost photovoltaic and photothermal integral assembly, this photovoltaic and photothermal integral assembly can increase the conversion efficiency of photovoltaic cell, and the conversion performance of photo-thermal and photoelectricity, increase solar energy conversion efficiency in unit are, increase solar energy utilization ratio, realize solar power generation hot water consubstantiality synchronous, save space resources.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is structural representation of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure: photovoltaic and photothermal solar composite component of the present utility model, comprise photovoltaic module and photo-thermal assembly, described photovoltaic module comprise solar-energy photo-voltaic cell sheet 1 with and upper surface EVA rete 2 and the transparent resin overcoat 3 of bonding setting successively; Its lower surface is bonding tetrafluoroethene ETFE rete 4 and the conductive sole plate 6 of being provided with successively, between described tetrafluoroethene ETFE rete 4 and conductive sole plate 6, flexible graphite plate 5 is set; Transparent resin overcoat 3 is arranged at the superiors for absorbing sunlight, ETFE rete 4 its light transmission and good weatherability, have surface and be not easy to retain attachment, transparency is high, lightweight, after-tack is strong, the endurable excellent radiation resistant of mechanical strength such as saturating is good,, can effectively improve the object of ageing resistance, corrosion resistance and environmental protection, thereby extend the useful life of anti-aging type solar module, improved the operating efficiency of anti-aging type solar module; Flexible graphite plate 5 is for heat conduction and play cushioning effect, avoids solar-energy photo-voltaic cell sheet 1 produce wearing and tearing with rigid contact of conductive sole plate 6 or damage, and improves sealing property simultaneously, also can avoid the excess Temperature of conductive sole plate 6 to improve photoelectric conversion.This structure is followed successively by transparent resin overcoat 3, EVA rete 2, solar-energy photo-voltaic cell sheet 1, ETFE rete 4, flexible graphite plate 5, conductive sole plate 6 from top to bottom, and forms by adhesive bonds or by heat seal.
In the present embodiment, described photo-thermal assembly comprises the thermal-collecting tube 7 that is arranged at conductive sole plate 6 back sides, and described thermal-collecting tube 7 arranged outside have heat-insulation and heat-preservation backboard 9, between described thermal-collecting tube 7 and heat-insulation and heat-preservation backboard 9, rubber and plastic heat-insulation layer 8 are set; Heat-insulation and heat-preservation backboard 9 is for support set heat pipe 7, and rubber and plastic heat-insulation layer 8 plays the effect of liner, avoids thermal-collecting tube 7 to damage with rigid contact of heat-insulation and heat-preservation backboard 9, and rubber and plastic heat-insulation layer 8 can play the effect of further reinforcement heat-insulation and heat-preservation simultaneously.Thermal-collecting tube 7 outsides refer to thermal-collecting tube 7 lower surfaces.
In the present embodiment, described rubber and plastic heat-insulation layer 8 is provided with for the fixing groove that matches with thermal-collecting tube 7 outer surfaces; The outer surface of thermal-collecting tube 7 and the laminating of groove structure inner surface, or this groove structure can be also corrugated surface structure; Be convenient to the fixing of thermal-collecting tube 7, improve stability and the fastness of thermal-collecting tube 7, further strengthen insulation effect.
In the present embodiment, described thermal-collecting tube 7 is the many hollow copper tubings that are fixed on conductive sole plate 6 in the mode being parallel to each other; Can adopt the mode that is welded and fixed or other can realize equally the object of the invention fixed form fixed set heat pipe 7, hollow copper tubing is preferably 16, evenly heat efficiency and electrical efficiency maximum.
In the present embodiment, described thermal-collecting tube 7 is serpentine coil; Simple in structure, compactedness is good, and water-flowing amount is large.
In the present embodiment, described hollow copper tubing is fixedly welded on conductive sole plate 6, and described conductive sole plate 6 is aluminium sheet; Structural strength is high, and thermal conductivity is good.
In the present embodiment, transparent resin overcoat 3 is toughened glass cover plate; Structural strength is large, and optical transmission is good.
In the present embodiment, the distance between described toughened glass cover plate and conductive sole plate 6 is 25mm; Be conducive to improve the conversion performance of photo-thermal and photoelectricity, improve to greatest extent photo-thermal and photoelectric conversion rate, improve the heat efficiency and electrical efficiency.
In the present embodiment, the tube pitch of described hollow copper tubing from the ratio of its caliber be 6.25; Adopt fillet runner, be conducive to equally improve the conversion performance of photo-thermal and photoelectricity, improve to greatest extent photo-thermal and photoelectric conversion rate, improve the heat efficiency and electrical efficiency.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.

Claims (9)

1. a photovoltaic and photothermal solar composite component, it is characterized in that: comprise photovoltaic module and photo-thermal assembly, described photovoltaic module comprises solar-energy photo-voltaic cell sheet and surface EVA rete and the transparent resin overcoat of bonding setting successively thereon, its lower surface is bonding tetrafluoroethene ETFE rete and the conductive sole plate of being provided with successively, between described tetrafluoroethene ETFE rete and conductive sole plate, flexible graphite plate is set.
2. photovoltaic and photothermal solar composite component according to claim 1, it is characterized in that: described photo-thermal assembly comprises the thermal-collecting tube that is arranged at the conductive sole plate back side, described thermal-collecting tube arranged outside has heat-insulation and heat-preservation backboard, between described thermal-collecting tube and heat-insulation and heat-preservation backboard, rubber and plastic heat-insulation layer is set.
3. photovoltaic and photothermal solar composite component according to claim 2, is characterized in that: described rubber and plastic heat-insulation layer is provided with for the fixing groove that matches with thermal-collecting tube outer surface.
4. photovoltaic and photothermal solar composite component according to claim 3, is characterized in that: described thermal-collecting tube is the many hollow copper tubings that are fixed on conductive sole plate in the mode being parallel to each other.
5. photovoltaic and photothermal solar composite component according to claim 4, is characterized in that: described thermal-collecting tube is serpentine coil.
6. photovoltaic and photothermal solar composite component according to claim 5, is characterized in that: described hollow copper tubing is fixedly welded on conductive sole plate, described conductive sole plate is aluminium sheet.
7. photovoltaic and photothermal solar composite component according to claim 6, is characterized in that: transparent resin overcoat is toughened glass cover plate.
8. photovoltaic and photothermal solar composite component according to claim 7, is characterized in that: the distance between described toughened glass cover plate and conductive sole plate is 25mm.
9. photovoltaic and photothermal solar composite component according to claim 8, is characterized in that: the tube pitch of described hollow copper tubing from the ratio of its caliber be 6.25.
CN201420290448.7U 2014-06-03 2014-06-03 Solar photovoltaic and photo-thermal composite assembly Expired - Fee Related CN203839391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420290448.7U CN203839391U (en) 2014-06-03 2014-06-03 Solar photovoltaic and photo-thermal composite assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420290448.7U CN203839391U (en) 2014-06-03 2014-06-03 Solar photovoltaic and photo-thermal composite assembly

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104467661A (en) * 2014-11-03 2015-03-25 山东希格斯新能源有限责任公司 Solar electric heating integrated device
CN105490638A (en) * 2015-12-06 2016-04-13 上海博阳新能源科技有限公司 High-thermal conductivity photoelectric and photothermal board
CN106016415A (en) * 2016-05-23 2016-10-12 苏州铭冠软件科技有限公司 Solar power generating and heat supplying system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104467661A (en) * 2014-11-03 2015-03-25 山东希格斯新能源有限责任公司 Solar electric heating integrated device
CN105490638A (en) * 2015-12-06 2016-04-13 上海博阳新能源科技有限公司 High-thermal conductivity photoelectric and photothermal board
CN106016415A (en) * 2016-05-23 2016-10-12 苏州铭冠软件科技有限公司 Solar power generating and heat supplying system

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140917

Termination date: 20180603

CF01 Termination of patent right due to non-payment of annual fee