CN102956725B - Photovoltaic and photothermal solar combined system - Google Patents
Photovoltaic and photothermal solar combined system Download PDFInfo
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- CN102956725B CN102956725B CN201210434624.5A CN201210434624A CN102956725B CN 102956725 B CN102956725 B CN 102956725B CN 201210434624 A CN201210434624 A CN 201210434624A CN 102956725 B CN102956725 B CN 102956725B
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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
- Y02E10/52—PV systems with concentrators
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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
Abstract
A kind of photovoltaic and photothermal solar combined system, comprise housing, heat-insulation layer is provided with in housing, photovoltaic module is provided with in heat-insulation layer, photovoltaic module comprises the glass back plate, solar battery sheet and the metal substrate that are cascading, metal substrate contacts with an absorber plate, some water pipes are provided with between bottom absorber plate and heat-insulation layer, water pipe upper end contacts with absorber plate, water pipe lower end contacts with bottom heat-insulation layer, be connected with the cooling water circulated in water pipe, heat-insulation layer top is installed with one and the spaced low-concentration glass lens of glass back plate.Because the present invention adopts low-concentration glass lens to reflect and optically focused light, no matter sunray is irradiated to low-concentration glass lens from which direction, low-concentration glass lens can reflect and optically focused light well, therefore solar follow-up device is not needed, reduce the production cost of photovoltaic and photothermal solar combined system, the cost performance of whole system is improved greatly, is conducive to promoting the use of of system.
Description
Technical field
The invention belongs to photovoltaic art, particularly relate to a kind of photovoltaic and photothermal solar combined system.
Background technology
Existing photovoltaic and photothermal solar combined system; substantially be one to work under the sun; the temperature of assembly neither be very high; carry out the system of coupling with water again, the collector lens in the conventional photovoltaic assemblies that this system adopts is opaque back veneer material, and collector lens can reach best with solar follow-up device conbined usage to make spotlight effect usually; but; adopt solar follow-up device, the cost performance of whole system can be made greatly to reduce, be unfavorable for promoting the use of of system.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of photovoltaic and photothermal solar combined system not needing solar follow-up device is provided.
The present invention realizes like this, a kind of photovoltaic and photothermal solar combined system, comprise housing, heat-insulation layer is provided with in described housing, photovoltaic module is provided with in described heat-insulation layer, described photovoltaic module comprises the glass back plate be cascading, solar battery sheet and metal substrate, described metal substrate contacts with an absorber plate, some water pipes are provided with between bottom described absorber plate and described heat-insulation layer, described water pipe upper end contacts with described absorber plate, described water pipe lower end contacts with bottom described heat-insulation layer, the cooling water circulated is connected with in described water pipe, described heat-insulation layer top is installed with one and the spaced low-concentration glass lens of described glass back plate.
Particularly, described low-concentration glass lens adopts PMMA to make.
Particularly, bonded together by a tack coat between described metal substrate and absorber plate.
Present invention also offers another kind of photovoltaic and photothermal solar combined system, comprise housing, heat-insulation layer is provided with in described housing, photovoltaic module is provided with in described heat-insulation layer, described photovoltaic module comprises the low-concentration glass lens be cascading, solar battery sheet and metal substrate, described metal substrate contacts with an absorber plate, some water pipes are provided with between bottom described absorber plate and described heat-insulation layer, described water pipe upper end contacts with described absorber plate, described water pipe lower end contacts with bottom described heat-insulation layer, described heat-insulation layer top is installed with one and the spaced glass cover-plate of described low-concentration glass lens.
Particularly, described low-concentration glass lens adopts PMMA to make.
Particularly, bonded together by a tack coat between described metal substrate and absorber plate.
Particularly, described glass cover-plate adopts the high ultrawhite toughened glass thoroughly of plated film to make.
Because photovoltaic and photothermal solar combined system of the present invention adopts low-concentration glass lens to reflect and optically focused light, no matter sunray is irradiated to low-concentration glass lens from which direction, low-concentration glass lens can reflect and optically focused light well, therefore solar follow-up device is not needed, reduce the production cost of photovoltaic and photothermal solar combined system, the cost performance of whole system is improved greatly, is applicable to mass production, is conducive to promoting the use of of system.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the photovoltaic and photothermal solar combined system that the embodiment of the present invention one provides;
Fig. 2 is the schematic diagram of the photovoltaic module that the embodiment of the present invention one provides;
Fig. 3 is the schematic diagram of the photovoltaic and photothermal solar combined system that the embodiment of the present invention two provides;
Fig. 4 is the schematic diagram of the photovoltaic module that the embodiment of the present invention two provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Embodiment one
As depicted in figs. 1 and 2, a kind of photovoltaic and photothermal solar combined system that the embodiment of the present invention one provides, comprise housing 11, heat-insulation layer 12 is provided with in housing 11, photovoltaic module 13 is provided with in heat-insulation layer 12, photovoltaic module 13 comprises the glass back plate 131 be cascading, solar battery sheet 132 and metal substrate 133, metal substrate 133 is bonded together by a tack coat 15 and an absorber plate 14, some water pipes 16 are provided with between bottom absorber plate 14 and heat-insulation layer 12, water pipe 16 upper end contacts with absorber plate 14, water pipe 16 lower end contacts with bottom heat-insulation layer 12, the cooling water circulated is connected with in water pipe 16, heat-insulation layer 12 top is installed with one and the spaced low-concentration glass lens 17 of glass back plate 131.
When the photovoltaic and photothermal solar combined system of the present embodiment one works, first when sunray is irradiated to low-concentration glass lens 17, light carries out reflecting and optically focused by low-concentration glass lens 17, then light is irradiated on the solar battery sheet 132 of photovoltaic module 13, solar battery sheet 132 produces photovoltaic effect under the irradiation of light, solar energy is directly changed into electric energy, realizes the object of photovoltaic generation.Simultaneously, solar energy is converting in the process of electric energy by solar battery sheet 132, solar battery sheet 132 can produce a large amount of heats, the heat that solar battery sheet 132 produces is passed to absorber plate 14 by metal substrate 133, cooling water in water pipe 16 is again by the heat absorption on absorber plate 14, thus the object that realization is lowered the temperature to photovoltaic module 13, ensure that photovoltaic module 13 normally, stably can export electric energy, improve the photoelectric conversion efficiency of photovoltaic module 13; After water temperature in addition in water pipe 16 raises, can be used as needed for production and life.
The photovoltaic and photothermal solar combined system of the present embodiment one achieves the comprehensive utilization to solar energy, the working temperature on photovoltaic module 13 surface can control below 40 DEG C by absorber plate 14 and the water pipe 16 being connected with cooling water by it, and the power output of photovoltaic module 13 can increase by 13.5 ~ 18%; In addition, cooling water in water pipe 16 can become the low temperature water that temperature is 40 ~ 60 DEG C after absorbing the heat on absorber plate 14, or through secondary or repeatedly circulation thermal-arrest obtain the hot water of more than 80 DEG C, the photo-thermal efficiency of system reaches 40 ~ 55%.
The low-concentration glass lens 17 of the present embodiment one adopts dielectric optical waveguide mode to guide light propagated on demand, fiber-loss is very little, low-concentration glass lens 17 adopts PMMA(polymethyl methacrylate) make, PMMA resin is the material of current topmost practical fiber waveguide integrated photonic device, PMMA fiber waveguide carries out Physical Processing to PMMA, makes certain optical texture thus realize the waveguide material of waveguide ability.
Because photovoltaic and photothermal solar combined system of the present invention adopts low-concentration glass lens 17 to reflect and optically focused light, no matter sunray is irradiated to low-concentration glass lens 17 from which direction, low-concentration glass lens 17 can reflect and optically focused light well, therefore solar follow-up device is not needed, reduce the production cost of photovoltaic and photothermal solar combined system, the cost performance of whole system is improved greatly, be applicable to mass production, be conducive to promoting the use of of system.
Embodiment two
As shown in Figure 3 and Figure 4, a kind of photovoltaic and photothermal solar combined system that the embodiment of the present invention two provides, comprise housing 21, heat-insulation layer 22 is provided with in housing 21, photovoltaic module 23 is provided with in heat-insulation layer 22, photovoltaic module 23 comprises the low-concentration glass lens 231 be cascading, solar battery sheet 232 and metal substrate 233, metal substrate 233 is bonded together by a tack coat 25 and an absorber plate 24, some water pipes 26 are provided with between bottom absorber plate 24 and heat-insulation layer 22, water pipe 26 upper end contacts with absorber plate 24, water pipe 26 lower end contacts with bottom heat-insulation layer 22, heat-insulation layer 22 top is installed with one and the spaced glass cover-plate 27 of low-concentration glass lens 231, glass cover-plate 27 adopts the high ultrawhite toughened glass thoroughly of plated film to make, its both ensured sunray through, the heat energy simultaneously stoped into is to external radiation.
When the photovoltaic and photothermal solar combined system of the present embodiment two works, first sunray is through glass cover-plate 27, then be irradiated on the low-concentration glass lens 231 of photovoltaic module 23, light carries out reflecting and optically focused by low-concentration glass lens 231, then light is irradiated on the solar battery sheet 232 of photovoltaic module 23, solar battery sheet 232 produces photovoltaic effect under the irradiation of light, and solar energy is directly changed into electric energy, realizes the object of photovoltaic generation.Simultaneously, solar energy is converting in the process of electric energy by solar battery sheet 232, solar battery sheet 232 can produce a large amount of heats, the heat that solar battery sheet 232 produces is passed to absorber plate 24 by metal substrate 233, cooling water in water pipe 26 is again by the heat absorption on absorber plate 24, thus the object that realization is lowered the temperature to photovoltaic module 23, ensure that photovoltaic module 23 normally, stably can export electric energy, improve the photoelectric conversion efficiency of photovoltaic module 23; After water temperature in addition in water pipe 26 raises, can be used as needed for production and life.
The photovoltaic and photothermal solar combined system of the present embodiment two achieves the comprehensive utilization to solar energy, the working temperature on photovoltaic module 23 surface can control below 40 DEG C by absorber plate 24 and the water pipe 26 being connected with cooling water by it, and the power output of photovoltaic module 23 can increase by 13.5 ~ 18%; In addition, cooling water in water pipe 26 can become the low temperature water that temperature is 40 ~ 60 DEG C after absorbing the heat on absorber plate 24, or through secondary or repeatedly circulation thermal-arrest obtain the hot water of more than 80 DEG C, the photo-thermal efficiency of system reaches 40 ~ 55%.
The low-concentration glass lens 231 of the photovoltaic module 23 of the present embodiment two adopts dielectric optical waveguide mode to guide light propagated on demand, fiber-loss is very little, low-concentration glass lens 231 adopts PMMA(polymethyl methacrylate) make, PMMA resin is the material of current topmost practical fiber waveguide integrated photonic device, PMMA fiber waveguide carries out Physical Processing to PMMA, makes certain optical texture thus realize the waveguide material of waveguide ability.
Because photovoltaic and photothermal solar combined system of the present invention adopts low-concentration glass lens 231 to reflect and optically focused light, no matter sunray is irradiated to low-concentration glass lens 231 from which direction, low-concentration glass lens 231 can reflect and optically focused light well, therefore solar follow-up device is not needed, reduce the production cost of photovoltaic and photothermal solar combined system, the cost performance of whole system is improved greatly, be applicable to mass production, be conducive to promoting the use of of system.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (5)
1. a photovoltaic and photothermal solar combined system, it is characterized in that, comprise housing, heat-insulation layer is provided with in described housing, photovoltaic module is provided with in described heat-insulation layer, described photovoltaic module comprises the glass back plate be cascading, solar battery sheet and metal substrate, described metal substrate contacts with an absorber plate, bonded together by a tack coat between described metal substrate and absorber plate, some water pipes are provided with between bottom described absorber plate and described heat-insulation layer, described water pipe upper end contacts with described absorber plate, described water pipe lower end contacts with bottom described heat-insulation layer, the cooling water circulated is connected with in described water pipe, described heat-insulation layer top is installed with one and the spaced low-concentration glass lens of described glass back plate.
2. photovoltaic and photothermal solar combined system according to claim 1, is characterized in that, described low-concentration glass lens adopts PMMA to make.
3. a photovoltaic and photothermal solar combined system, it is characterized in that, comprise housing, heat-insulation layer is provided with in described housing, photovoltaic module is provided with in described heat-insulation layer, described photovoltaic module comprises the low-concentration glass lens be cascading, solar battery sheet and metal substrate, described metal substrate contacts with an absorber plate, bonded together by a tack coat between described metal substrate and absorber plate, some water pipes are provided with between bottom described absorber plate and described heat-insulation layer, described water pipe upper end contacts with described absorber plate, described water pipe lower end contacts with bottom described heat-insulation layer, described heat-insulation layer top is installed with one and the spaced glass cover-plate of described low-concentration glass lens.
4. photovoltaic and photothermal solar combined system according to claim 3, is characterized in that, described low-concentration glass lens adopts PMMA to make.
5. photovoltaic and photothermal solar combined system according to claim 3, is characterized in that, described glass cover-plate adopts the high ultrawhite toughened glass thoroughly of plated film to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210434624.5A CN102956725B (en) | 2012-11-05 | 2012-11-05 | Photovoltaic and photothermal solar combined system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210434624.5A CN102956725B (en) | 2012-11-05 | 2012-11-05 | Photovoltaic and photothermal solar combined system |
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| CN102956725A CN102956725A (en) | 2013-03-06 |
| CN102956725B true CN102956725B (en) | 2015-07-29 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103456827A (en) * | 2013-09-18 | 2013-12-18 | 连云港神舟新能源有限公司 | Photovoltaic photo-thermal integrated system |
| WO2016127934A1 (en) * | 2015-02-15 | 2016-08-18 | 中国科学院工程热物理研究所 | Photovoltaic-optothermal reaction complementary solar-energy full-spectrum utilization system |
| CN105066462A (en) * | 2015-07-20 | 2015-11-18 | 安徽灿邦电气有限公司 | Electric heating type solar photovoltaic and photothermal integrated assembly device |
| CN107275427B (en) * | 2017-06-03 | 2019-12-03 | 北京工业大学 | A kind of compound photovoltaic and photothermal integral component based on mental section substrate |
| CN107611201A (en) * | 2017-09-25 | 2018-01-19 | 江阴市南丰科技有限公司 | It is a kind of to build applicable photovoltaic and photothermal equipment |
| CN109150090A (en) * | 2018-08-21 | 2019-01-04 | 河海大学常州校区 | A kind of condensation photovoltaic cogeneration system based on light splitting principle |
| CN109612128A (en) * | 2018-12-13 | 2019-04-12 | 广东五星太阳能股份有限公司 | Vacuum glas-cover board PVT solar thermal collector |
| CN109945512A (en) * | 2019-04-04 | 2019-06-28 | 南京林业大学 | A kind of efficient photovoltaic and photothermal integrated system |
| CN110030740A (en) * | 2019-04-09 | 2019-07-19 | 广东五星太阳能股份有限公司 | A kind of novel large scale PVT heat collector |
| CN114589974A (en) * | 2022-03-15 | 2022-06-07 | 西安热工研究院有限公司 | Photovoltaic backboard and manufacturing method thereof |
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| CN102956725A (en) | 2013-03-06 |
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