WO2024045300A1 - Panneau solaire pliable - Google Patents

Panneau solaire pliable Download PDF

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Publication number
WO2024045300A1
WO2024045300A1 PCT/CN2022/127281 CN2022127281W WO2024045300A1 WO 2024045300 A1 WO2024045300 A1 WO 2024045300A1 CN 2022127281 W CN2022127281 W CN 2022127281W WO 2024045300 A1 WO2024045300 A1 WO 2024045300A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible composite
eva
layer
composite film
solar panel
Prior art date
Application number
PCT/CN2022/127281
Other languages
English (en)
Chinese (zh)
Inventor
李卓敏
李伟华
Original Assignee
深圳市光瑞实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市光瑞实业有限公司 filed Critical 深圳市光瑞实业有限公司
Publication of WO2024045300A1 publication Critical patent/WO2024045300A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • 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

Definitions

  • the embodiment of the present utility model relates to the field of solar panels, and specifically relates to a bendable solar panel.
  • the purpose of embodiments of the present invention is to provide a bendable solar panel for overcoming the above problems.
  • This embodiment discloses a bendable solar panel, which includes: a bracket and a back plate provided on the bracket; a plurality of EVA layers, two flexible composite films, and an ETFE layer are integrally laminated on the back plate. , and a battery sheet, an EVA layer among the plurality of EVA layers is disposed between the back sheet and a flexible composite film of the two flexible composite films, the battery sheet is composed of a plurality of matrix-arranged photoelectric conversion Made up of spliced pieces.
  • the two flexible composite films include a first flexible composite film and a second flexible composite film, wherein the first flexible composite film is close to the back plate, and the second flexible composite film is close to the ETFE layer.
  • the three EVA layers include a first EVA layer, a second EVA layer and a third EVA layer; the first EVA layer is provided on the first flexible composite film and the back between the boards.
  • the second EVA layer is provided between the second flexible composite film and the ETFE layer
  • the third EVA layer is provided between the back plate and the bracket.
  • the battery sheet is bonded between the first flexible composite film and the second flexible composite film.
  • EVA layers there are five EVA layers, and the five EVA layers are divided into a first EVA layer, a second EVA layer, a third EVA layer, a fourth EVA layer, and a fifth EVA layer.
  • first EVA layer is provided between the first flexible composite film and the back sheet
  • second EVA layer is provided between the second flexible composite film and the ETFE layer
  • third EVA layer is disposed between the first flexible composite film and the battery sheet
  • fourth EVA layer is disposed between the second flexible composite film and the battery sheet.
  • the bracket includes a support plate supported on the back plate, and a main plate connected to the support plate.
  • the support plate can rotate around the main plate to form a triangular support structure.
  • the bracket further includes a handle plate provided on one side of the main board, and a handle hole is provided on the handle plate.
  • the utility model provides a solar panel with a multi-layer flexible composite film between the back panel and the bracket.
  • the flexible composite film is used to replace the existing commonly used EPE cotton board structure, and at the same time removes the PCB board, thereby reducing the weight of the board. At the same time, it solves the problem that solar panels cannot be bent and improves the portability of solar panels.
  • Figure 1 is a schematic diagram of the exploded structure of a bendable solar panel according to Embodiment 1 of the present utility model
  • Figure 2 is a schematic diagram of an exploded structure of a bendable solar panel according to Embodiment 2 of the present invention.
  • EVA It is a copolymer of ethylene and acetic acid.
  • the Chinese chemical name is: ethylene-vinyl acetate copolymer (ethylene-vinyl acetate copolymer).
  • the English chemical name is: Ethylene Vinyl Acetate Copolymer.
  • EVA has a wide range of application fields. my country's market consumption is constantly increasing every year, especially in the shoemaking industry. It is used in the soles and interior materials of mid-to-high-end travel shoes, hiking shoes, slippers, and sandals. It is also widely used in the field of new energy, such as photovoltaic materials, solar cell adhesives, etc.
  • ETFE Ethylene-tetrafluoroethylene copolymer is a chemical substance. ETFE is the strongest fluoroplastic. While maintaining the good heat resistance, chemical resistance and electrical insulation properties of PTFE, it also has excellent radiation resistance and mechanical properties. Greatly improved, the tensile strength can reach 50MPa, nearly 2 times that of PTFE; ETFE has good processability, balanced physical properties, good mechanical toughness, and excellent radiation resistance. This material has the resistance of PTFE. Corrosion properties.
  • a bendable solar panel including: a bracket 1 and a back plate 2 arranged on the bracket 1; the back plate 2 is integrally laminated with three EVA layers 3 and two A flexible composite film 4, an ETFE layer 5, and a battery sheet 6.
  • One of the three EVA layers 3 is disposed between the back plate 2 and one of the two flexible composite films 4.
  • the battery sheet 6 is spliced by multiple matrix-arranged photoelectric conversion sheets 61; the existing commonly used EPE cotton board is replaced by the flexible composite film 4, and then the battery sheet 6 is split into a plurality of small photoelectric conversion sheets 61 , thereby making the solar panel of the present application flexible and bendable, making it easier to carry.
  • the two flexible composite films 4 include a first flexible composite film 41 and a second flexible composite film 42, wherein the first flexible composite film 41 is close to the back plate 2, and the second flexible composite film 42 Close to the ETFE layer 5, the back plate 2 adopts a fabric board design, which improves the bendability of the outer shell of the solar panel of the present application.
  • the three EVA layers 3 include a first EVA layer 31, a second EVA layer 32 and a third EVA layer 33; the first EVA layer 31 is provided on the first flexible composite film 41 and the back panel 2 between.
  • the second EVA layer 32 is provided between the second flexible composite film 42 and the ETFE layer 5
  • the third EVA layer 33 is provided between the back plate 2 and the bracket 1 . Since the EVA material itself has good adhesion, the back panel 2, the bracket 1, and the flexible composite film 3 are separated by three EVA layers, thereby improving the stability of the overall connection of the solar panel and thereby improving the use of the solar panel. life.
  • the battery sheet 6 is fit between the first flexible composite film 41 and the second flexible composite film 42 , and the battery sheet 6 is wrapped between the two flexible composite films 4 , thereby having a good effect on the battery sheet 6
  • the protection function isolates the battery piece 6 from the outside world, improves the sealing and insulation of the battery, and prevents the battery piece 6 from leaking electricity, thus affecting the charging performance of the solar panel.
  • the bracket 1 includes a support plate 11 supported on the back plate 2 and a main board 12 connected to the support plate 11.
  • the support plate 11 can wrap around the main board. 12 is rotated to form a triangular support structure.
  • the triangular support structure can be stably installed on the outdoor flat ground, so that a charging interface (not shown) can be set up on the solar panel as needed to charge mobile smart devices such as mobile phones.
  • the bracket 1 also includes a handle plate 13 provided on one side of the main board 12 , and a handle hole 131 is opened in the handle plate 13 .
  • a bendable solar panel including: a bracket 1 and a back plate 2 arranged on the bracket 1; five EVA layers 3 are integrally laminated on the back plate 2.
  • One EVA layer among the five EVA layers 3 is provided between the back plate 2 and one of the two flexible composite films 4.
  • the battery sheet 6 is spliced by multiple photoelectric conversion sheets 61 arranged in a matrix; the existing commonly used EPE cotton board is replaced by the flexible composite film 4, and then the battery sheet 6 is split into multiple small photoelectric conversion sheets 61, thus making the solar panel flexible and bendable, making it easier to carry.
  • the two flexible composite films 4 include a first flexible composite film 41 and a second flexible composite film 42, wherein the first flexible composite film 41 is close to the back plate 2, and the second flexible composite film 42 Close to the bracket 1.
  • the five EVA layers 3 are divided into a first EVA layer 31, a second EVA layer 32, a third EVA layer 33, a fourth EVA layer 34 and a fifth EVA layer 35;
  • the first EVA layer 31 is provided at between the first flexible composite film 41 and the back plate 2
  • the second EVA layer 32 is provided between the second flexible composite film 42 and the ETFE layer 5
  • the third EVA layer 33 is disposed between the first flexible composite film 41 and the battery sheet 6
  • the fourth EVA layer 34 is disposed between the second flexible composite film 42 and the battery sheet 6
  • the fifth EVA layer 35 is provided between the back plate 2 and the bracket 1 .
  • the bracket 1 includes a support plate 11 supported on the back plate 2 and a main board 12 connected to the support plate 11.
  • the support plate 11 can wrap around the main board. 12 is rotated to form a triangular support structure.
  • the triangular support structure can be stably installed on the outdoor flat ground, so that a charging interface (not shown) can be set up on the solar panel as needed to charge mobile smart devices such as mobile phones.
  • the bracket 1 also includes a handle plate 13 provided on one side of the main board 12 , and a handle hole 131 is opened in the handle plate 13 .

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)

Abstract

Panneau solaire pliable comprenant un support (1) et une plaque arrière (2) disposée sur le support (1). Une pluralité de couches EVA (3), deux films composites flexibles (4), une couche ETFE (5), et une feuille cellulaire (6) sont intégralement stratifiés sur la plaque arrière (2) ; une couche EVA dans la pluralité de couches EVA (3) est disposée entre la plaque arrière (2) et l'un des deux films composites flexibles (4) ; la feuille cellulaire (6) est formée par assemblage d'une pluralité de feuilles de conversion photoélectrique (61) agencées dans une matrice. Un film composite flexible multicouche (4) est disposé entre la plaque arrière (2) et le support (1), et le film composite flexible (4) est utilisé pour remplacer des structures de plaque de coton EPE communes existantes ; de plus, une carte de circuit imprimé est retirée, et le problème de l'impossibilité de plier le panneau solaire est résolu tandis que le poids du panneau est réduit, ce qui permet d'améliorer la portabilité du panneau solaire.
PCT/CN2022/127281 2022-08-30 2022-10-25 Panneau solaire pliable WO2024045300A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222315800.5U CN218385242U (zh) 2022-08-30 2022-08-30 一种可弯折的太阳能板
CN202222315800.5 2022-08-30

Publications (1)

Publication Number Publication Date
WO2024045300A1 true WO2024045300A1 (fr) 2024-03-07

Family

ID=84972385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/127281 WO2024045300A1 (fr) 2022-08-30 2022-10-25 Panneau solaire pliable

Country Status (2)

Country Link
CN (1) CN218385242U (fr)
WO (1) WO2024045300A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101635536A (zh) * 2009-06-25 2010-01-27 中电电气集团有限公司 一种可折叠太阳能移动电源及其制造方法
CN209675310U (zh) * 2019-04-15 2019-11-22 杭州唐能能源科技有限公司 一种晶体硅柔性太阳能组件
CN110620161A (zh) * 2019-09-06 2019-12-27 泰州中来光电科技有限公司 一种轻质柔性光伏组件
CN210167364U (zh) * 2019-09-06 2020-03-20 泰州中来光电科技有限公司 一种轻质柔性光伏组件

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101635536A (zh) * 2009-06-25 2010-01-27 中电电气集团有限公司 一种可折叠太阳能移动电源及其制造方法
CN209675310U (zh) * 2019-04-15 2019-11-22 杭州唐能能源科技有限公司 一种晶体硅柔性太阳能组件
CN110620161A (zh) * 2019-09-06 2019-12-27 泰州中来光电科技有限公司 一种轻质柔性光伏组件
CN210167364U (zh) * 2019-09-06 2020-03-20 泰州中来光电科技有限公司 一种轻质柔性光伏组件

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