CN217881540U - Temperature-control anti-overheating solar photovoltaic battery assembly - Google Patents
Temperature-control anti-overheating solar photovoltaic battery assembly Download PDFInfo
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- CN217881540U CN217881540U CN202222006758.9U CN202222006758U CN217881540U CN 217881540 U CN217881540 U CN 217881540U CN 202222006758 U CN202222006758 U CN 202222006758U CN 217881540 U CN217881540 U CN 217881540U
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- photovoltaic
- energy storage
- photovoltaic cell
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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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Abstract
The utility model relates to an overheated solar PV cells subassembly is prevented to accuse temperature, its characterized in that: frame and a pair of photovoltaic backplate sealing connection, form sealed energy storage chamber between the inboard of photovoltaic backplate, the outside of photovoltaic backplate sets up the photovoltaic cell piece, the inboard laminating of the photovoltaic cell piece outside and glass apron is fixed, the photovoltaic cell piece with set up glass apron anti-reflection coating between the glass apron, the outside of glass apron sets up band-pass optical coating, the monolithic mode includes the photovoltaic backplate frame and heating panel, the frame with the photovoltaic backplate reaches heating panel sealing connection, the photovoltaic backplate with form sealedly between the heating panel the energy storage chamber, the utility model discloses realize energy storage-exothermic circulation and use, effective reduce cost improves the generating efficiency.
Description
Technical Field
The utility model relates to an overheated solar PV cells subassembly is prevented to accuse temperature.
Background
The solar photovoltaic cell module is the most important part of a solar power generation system that converts solar energy into electric energy. The photoelectric conversion efficiency is an important technical index of the solar photovoltaic cell module.
At present, the main factors influencing the photoelectric conversion efficiency of a solar photovoltaic cell module include: the photoelectric conversion efficiency of the photovoltaic cell, the light transmittance of the glass cover plate, the solar irradiation amount of the photovoltaic cell panel in unit area and the temperature of the photovoltaic cell module.
Under the prior art, the light transmission coefficient of the glass cover plate, the solar irradiation amount of the photovoltaic cell panel per unit area and the temperature of the photovoltaic cell module are the main factors which seriously affect the photoelectric conversion efficiency of the photovoltaic cell module.
Wherein the output power of the solar cell module is reduced by 0.4-0.5% because the temperature is increased by 1 ℃. In the well-irradiated spring, summer and autumn, the temperature of the battery board can reach more than 80 ℃, the output power is reduced to more than 20%, and meanwhile, the service life of the photovoltaic battery assembly is seriously influenced by excessive cold and hot temperature difference.
Therefore, aiming at the existing problems, a comprehensive solution is not provided, so that the efficiency of the photovoltaic cell module is further effectively improved, the service life of the solar photovoltaic cell module is effectively prolonged, and the return on investment rate is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overheated solar PV cells subassembly is prevented to accuse temperature realizes energy storage-exothermic circulation and uses, effective reduce cost, improves the generating efficiency.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides an overheated solar PV cells subassembly is prevented to accuse temperature which characterized in that: the symmetrical double-plate mode comprises a photovoltaic back plate and a frame, wherein the frame is connected with the photovoltaic back plate in a sealing mode, a sealed energy storage cavity is formed between the inner sides of the photovoltaic back plate, energy storage materials are placed in the energy storage cavity and used for absorbing heat or dissipating heat, a photovoltaic cell is arranged on the outer side of the photovoltaic back plate and used for generating electricity and absorbing heat, each photovoltaic cell is in heat exchange with the energy storage materials and used for heat exchange, the outer side of each photovoltaic cell is fixedly attached to the inner side of a glass cover plate, a glass cover plate anti-reflection coating is arranged between each photovoltaic cell and the glass cover plate, and a band-pass optical coating is arranged on the outer side of the glass cover plate.
The solar PV cells subassembly is prevented overheated by accuse temperature, wherein: the band-pass optical coating is used for sunlight with the wavelength of 300nm-1200nm to penetrate through and reflecting sunlight with the wavelength of more than 1200nm-2000 nm.
The solar PV cells subassembly is prevented overheated by accuse temperature, wherein: and water inlets and water outlets are symmetrically arranged at two ends of the frame, and the energy storage material after heat exchange flows in or out.
The utility model provides an overheated solar PV cells subassembly is prevented to accuse temperature which characterized in that: the monolithic mode includes photovoltaic backplate, frame and heating panel, the frame with the photovoltaic backplate reaches heating panel sealing connection, the photovoltaic backplate with form sealed energy storage chamber between the heating panel, the heating panel supplies the heat dissipation in energy storage chamber, the inboard of heating panel sets up heating panel emission coating, fixed photovoltaic cell piece and glass apron of laminating in proper order in the outside of photovoltaic backplate, the inboard of glass apron sets up glass apron anti-reflection coating, the outside of glass apron sets up band-pass optical coating.
The solar photovoltaic cell module is prevented overheated by accuse temperature, wherein: and the outer side of the heat dissipation plate is provided with heat dissipation fins to increase the heat dissipation speed.
The utility model has the advantages that:
1. the built-in energy storage cavity can effectively absorb the heat energy converted by the solar energy absorbed by the photovoltaic cell piece, effectively reduce the temperature of the solar photovoltaic cell module and effectively improve the power generation efficiency of the solar photovoltaic cell module; at night, the heat of the energy storage cavity can be dissipated to the lowest temperature at night through the two sides of the battery panel, and the energy storage-heat release cyclic application is realized.
2. By adopting the double-sided cell panel technology, the solar energy scattered at the back can be converted into electric energy, and the power generation efficiency of the solar photovoltaic cell module is further improved.
3. The band-pass optical coating is prepared on the outer side of the glass cover plate, and the anti-reflection transmission of a solar spectrum between 300nm and 1200nm is realized, and the solar spectrum larger than 1200nm and 2000nm is reflected back to a space, so that the incidence of an invalid solar infrared spectrum to a photovoltaic cell is obviously reduced, and the temperature rise of the cell is reduced. The energy storage demand of the energy storage cavity is further reduced, and the cost is effectively reduced; the power generation efficiency is improved.
4. Band-pass optical coatings are prepared on the inner sides of the glass cover plates, so that the solar spectrum anti-reflection transmission between 300nm and 1200nm is realized, and the power generation efficiency is obviously improved.
Drawings
Fig. 1 is a structural diagram of a symmetrical two-piece mode of a temperature-controlled overheating-prevention solar photovoltaic cell module.
Fig. 2 is a structural diagram of another embodiment of a symmetrical two-piece mode of a temperature-controlled anti-overheating solar photovoltaic cell module.
Fig. 3 is a structural diagram of a monolithic mode of a temperature-controlled overheating-prevention solar photovoltaic cell module.
Fig. 4 is a structural diagram of another embodiment of a monolithic module of a temperature-controlled overheating-prevention solar photovoltaic cell module.
Description of reference numerals: 1-an energy storage cavity; 2-a photovoltaic backsheet; 3-a frame; 4-photovoltaic cell slice; 5-anti-reflection coating of the glass cover plate; 6-a glass cover plate; 7-band pass optical coating; 8-water inlet and outlet; 9-a heat sink; 10-a heat sink emissive coating; 11-heat dissipation fins.
Detailed Description
As shown in fig. 1 to 4, the utility model provides an overheated solar photovoltaic module is prevented in accuse temperature, the symmetry biplate mode includes photovoltaic backplate 2 and frame 3, frame 3 and a pair of 2 sealing connection of photovoltaic backplate, form sealed energy storage chamber 1 between the inboard of photovoltaic backplate 2, place energy storage material in the energy storage chamber 1, supply heat absorption or heat dissipation, the both ends symmetry of frame 3 sets up inlet outlet 8, after the heat supply exchange the energy storage material flows in or flows out, every the outside of photovoltaic backplate 2 sets up photovoltaic cell piece 4, photovoltaic cell piece 4 supplies electricity generation and absorption heat, every photovoltaic cell piece 4 passes through photovoltaic backplate 2 with the heat exchange of energy storage material, every the laminating of the inboard of photovoltaic cell piece 4 outside and glass apron 6 is fixed, photovoltaic cell piece 4 with set up glass apron anti-reflection coating 5 between the glass apron 6, every the outside of glass apron 6 sets up band-pass optical coating 7, band-pass optical coating 7 supplies the sunlight between 300nm-1200nm of wavelength to see through to reflection wavelength is greater than the sunlight between 1200nm-2000 nm.
The monolithic mode includes photovoltaic backplate 2, frame 3 and heating panel 9, frame 3 with photovoltaic backplate 2 reaches heating panel 9 sealing connection, photovoltaic backplate 2 with form sealed energy storage chamber 1 between the heating panel 9, heating panel 9 supplies energy storage chamber 1 heat dissipation, the outside of heating panel 9 sets up radiating fin 11, increases the radiating rate, the inboard of heating panel 9 sets up heating panel emission coating 10, fixed photovoltaic cell 4 of laminating in proper order in the outside of photovoltaic backplate 2 and glass apron 6, the inboard of glass apron 6 sets up glass apron anti-reflection coating 5, the outside of glass apron 6 sets up band-pass optical coating 7.
The utility model has the advantages that:
1. the built-in energy storage cavity can effectively absorb the heat energy converted by the solar energy absorbed by the photovoltaic cell piece, effectively reduce the temperature of the solar photovoltaic cell module and effectively improve the power generation efficiency of the solar photovoltaic cell module; at night, the heat of the energy storage cavity can be dissipated to the lowest temperature at night through the two sides of the battery panel, and the energy storage-heat release cyclic application is realized.
2. By adopting the double-sided battery panel technology, the back-scattered solar energy can be converted into electric energy, and the power generation efficiency of the solar photovoltaic battery component is further improved.
3. The band-pass optical coating is prepared on the outer side of the glass cover plate, so that the anti-reflection transmission of a solar spectrum between 300nm and 1200nm is realized, and the solar spectrum larger than 1200nm to 2000nm is reflected back to a space, so that the incidence of invalid solar infrared spectrums to a photovoltaic cell is remarkably reduced, and the temperature rise of the cell is reduced. The energy storage demand of the energy storage cavity is further reduced, and the cost is effectively reduced; the power generation efficiency is improved.
4. Band-pass optical coatings are prepared on the inner sides of the glass cover plates, so that the solar spectrum anti-reflection transmission between 300nm and 1200nm is realized, and the power generation efficiency is obviously improved.
The foregoing description is intended to be illustrative, rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. The utility model provides an overheated solar PV cells subassembly is prevented to accuse temperature which characterized in that: the symmetry biplate mode includes photovoltaic backplate (2) and frame (3), frame (3) and a pair of photovoltaic backplate (2) sealing connection, form sealed energy storage chamber (1) between the inboard of photovoltaic backplate (2), place energy storage material in energy storage chamber (1), supply heat absorption or heat dissipation, every the outside of photovoltaic backplate (2) sets up photovoltaic cell piece (4), photovoltaic cell piece (4) supply the electricity generation and absorb the heat, every photovoltaic cell piece (4) pass through photovoltaic backplate (2) with energy storage material heat exchange, every the inboard laminating of photovoltaic cell piece (4) outside and glass apron (6) is fixed, photovoltaic cell piece (4) with set up glass apron anti-reflection coating (5) between glass apron (6), every the outside of glass apron (6) sets up band-pass optical coating (7).
2. The temperature-controlled anti-overheating solar photovoltaic cell module of claim 1, wherein: the band-pass optical coating (7) is used for sunlight with the wavelength of 300nm-1200nm to penetrate through and reflecting sunlight with the wavelength of more than 1200nm-2000 nm.
3. The temperature-controlled anti-overheating solar photovoltaic cell module of claim 1, wherein: and water inlets and water outlets (8) are symmetrically arranged at two ends of the frame (3), and the energy storage material after heat exchange flows in or out.
4. The utility model provides an overheated solar PV cells subassembly is prevented to accuse temperature which characterized in that: the monolithic mode includes photovoltaic backplate (2), frame (3) and heating panel (9), frame (3) with photovoltaic backplate (2) reach heating panel (9) sealing connection, photovoltaic backplate (2) with form sealed energy storage chamber (1) between heating panel (9), heating panel (9) supply energy storage chamber (1) dispels the heat, the inboard of heating panel (9) sets up heating panel emission coating (10), the outside of photovoltaic backplate (2) is laminated fixed photovoltaic cell piece (4) and glass apron (6) in proper order, the inboard of glass apron (6) sets up glass apron anti-reflection coating (5), the outside of glass apron (6) sets up band-pass optical coating (7).
5. The temperature-controlled overheating prevention solar photovoltaic cell module according to claim 4, wherein: and the outer side of the heat dissipation plate (9) is provided with heat dissipation fins (11) to increase the heat dissipation speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222006758.9U CN217881540U (en) | 2022-08-01 | 2022-08-01 | Temperature-control anti-overheating solar photovoltaic battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222006758.9U CN217881540U (en) | 2022-08-01 | 2022-08-01 | Temperature-control anti-overheating solar photovoltaic battery assembly |
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| Publication Number | Publication Date |
|---|---|
| CN217881540U true CN217881540U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222006758.9U Active CN217881540U (en) | 2022-08-01 | 2022-08-01 | Temperature-control anti-overheating solar photovoltaic battery assembly |
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| Country | Link |
|---|---|
| CN (1) | CN217881540U (en) |
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2022
- 2022-08-01 CN CN202222006758.9U patent/CN217881540U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Temperature control and overheating prevention solar photovoltaic cell modules Effective date of registration: 20230525 Granted publication date: 20221122 Pledgee: Huishang Bank Co.,Ltd. Bengbu Huaishang sub branch Pledgor: Bengbu Yingli New Energy Technology Co.,Ltd. Registration number: Y2023980041748 |