CN218385242U

CN218385242U - Bendable solar panel

Info

Publication number: CN218385242U
Application number: CN202222315800.5U
Authority: CN
Inventors: 李卓敏; 李伟华
Original assignee: Shenzhen Glorysolar Industries Co ltd
Current assignee: Shenzhen Glorysolar Industries Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-01-24
Anticipated expiration: 2032-08-30
Also published as: WO2024045300A1

Abstract

The utility model discloses a bendable solar panel, which comprises a bracket and a back plate arranged on the bracket; the back plate is integrally laminated with a plurality of EVA layers, two flexible composite films, an ETFE layer and a battery piece, one EVA layer of the EVA layers is arranged between the back plate and one flexible composite film of the two flexible composite films, and the battery piece is formed by splicing a plurality of photoelectric conversion pieces arranged in a matrix; the utility model provides a pair of solar panel sets up the flexible complex film of multilayer between backplate and support, and this flexible complex film is used for replacing the cotton board structure of EPE that has now commonly used, has removed the PCB board simultaneously, when lightening panel weight, has solved the problem that solar panel can not buckle, has improved solar panel's portability.

Description

Bendable solar panel

Technical Field

The embodiment of the utility model provides a relate to the solar panel field, concretely relates to solar panel that can buckle.

Background

Along with people's enthusiasm to outdoor exercises, some battery charging outfits relevant with outdoor activities are produced at the same time, and solar energy can be as the clean energy that can directly obtain through the sun, can regard as smart machine's such as cell-phone emergency power supply, and current solar panel is because bulky, and is hard material, leads to carrying inconveniently.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a bendable solar panel for overcoming the above problems.

The embodiment discloses a bendable solar panel, including: the back plate is arranged on the bracket; a plurality of EVA layers, two flexible composite membranes, ETFE layer and battery piece have been pressed to integrative layer on the backplate, an EVA layer in a plurality of EVA layers sets up backplate and two between the flexible composite membrane of flexible composite membrane, the battery piece is formed by the concatenation of the photoelectric conversion piece of a plurality of matrix arrangements.

Further, the two flexible composite films include a first flexible composite film and a second flexible composite film, wherein the first flexible composite film is adjacent to the back sheet, and the second flexible composite film is adjacent to the ETFE layer.

Furthermore, the number of the EVA layers is three, and the three EVA layers comprise a first EVA layer, a second EVA layer and a third EVA layer; the first EVA layer is disposed between the first flexible composite film and the backsheet.

Further, the second EVA layer is arranged between the second flexible composite film and the ETFE layer, and the third EVA layer is arranged between the back plate and the bracket.

Furthermore, the battery piece is attached between the first flexible composite film and the second flexible composite film.

Furthermore, the EVA layers are five, 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.

Further, the first EVA layer is arranged between the first flexible composite film and the back plate, the second EVA layer is arranged between the second flexible composite film and the ETFE layer, the third EVA layer is arranged between the first flexible composite film and the battery pieces, and the fourth EVA layer is arranged between the second flexible composite film and the battery pieces.

Further, the support comprises a support plate supported on the back plate and a main plate connected with the support plate, and the support plate can rotate around the main plate to form a triangular support structure.

Furthermore, the support still including setting up the handle board of mainboard one side, handle hole has been seted up on the handle board.

The utility model provides a pair of solar panel sets up multilayer flexible composite membrane between backplate and support, and this flexible composite membrane is used for replacing the cotton board structure of EPE who has used always now, has removed the PCB board simultaneously, when lightening panel weight, has solved the problem that solar panel can not buckle, has improved solar panel's portability.

Drawings

Fig. 1 is a schematic view of an explosion structure of a bendable solar panel according to a first embodiment of the present invention;

fig. 2 is an exploded schematic view of a bendable solar panel according to an embodiment of the present invention.

Shown in the figure:

1. a support;

2. a back plate;

3. an EVA layer;

4. a flexible composite membrane;

5. an ETFE layer;

6. a battery piece;

11. a support plate;

12. a main board;

13. a handle plate;

31. a first EVA layer;

32. a second EVA layer;

33. a third EVA layer;

34. a fourth EVA layer;

35. a fifth EVA layer;

41. a first flexible composite film;

42. a second flexible composite film;

61. a photoelectric conversion sheet;

131. handle hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The noun explains:

EVA: is prepared by copolymerizing ethylene and acetic acid, and has the Chinese cultural name: ethylene-vinyl acetate copolymer (ethylene-vinyl acetate copolymer), chemical name in english: ethylene Vinyl Acetate Copolymer. The EVA has wide application fields, the annual market consumption of China is continuously increased, and the EVA is particularly applied to soles and interior materials of middle-high-grade travel shoes, climbing shoes, slippers and sandals in the shoe manufacturing industry. The material is widely applied to the field of new energy resources, such as photovoltaic materials, solar cell adhesives and the like.

ETFE: the ethylene-tetrafluoroethylene copolymer is a chemical substance, ETFE is the toughest fluoroplastic, the good heat resistance, chemical resistance and electrical insulation performance of PTFE are kept, meanwhile, the radiation resistance and mechanical performance are improved to a great extent, and the tensile strength can reach 50MPa which is 2 times that of polytetrafluoroethylene; the ETFE has good processing formability, balanced physical properties, good mechanical toughness and excellent radiation resistance, and the material has the corrosion resistance of polytetrafluoroethylene.

Example one

As shown in fig. 1, a bendable solar panel is disclosed, comprising: the device comprises a bracket 1 and a back plate 2 arranged on the bracket 1; three EVA layers 3, two flexible composite films 4, an ETFE layer 5 and a battery piece 6 are integrally laminated on the back plate 2, one EVA layer in the three EVA layers 3 is arranged between the back plate 2 and one flexible composite film of the two flexible composite films 4, and the battery piece 6 is formed by splicing a plurality of photoelectric conversion pieces 61 arranged in a matrix; replace the cotton board of current EPE commonly used through flexible composite membrane 4, then become a plurality of little photoelectric conversion pieces 61 with 6 splits of battery piece to make the flexible bending of solar panel of this application, portable more.

Further, two flexible composite membrane 4 include first flexible composite membrane 41 and second flexible composite membrane 42, wherein first flexible composite membrane 41 is close to backplate 2, second flexible composite membrane 42 is close to ETFE layer 5, wherein backplate 2 adopts the design of cloth board, has improved the solar panel's of this application shell bendability.

Further, 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 disposed between the first flexible composite film 41 and the backsheet 2.

Further, the second EVA layer 32 is disposed between the second flexible composite film 42 and the ETFE layer 5, and the third EVA layer 33 is disposed between the back sheet 2 and the support 1. Because the EVA material itself has good adhesion, cut apart backplate 2, support 1, flexible composite membrane 3 through three-layer EVA layer to improve the holistic stability of connecting of solar panel, and then improved solar panel's life.

Further, the battery piece 6 is attached between the first flexible composite film 41 and the second flexible composite film 42, and the battery piece 6 is wrapped between the two flexible composite films 4, so that the battery piece 6 is well protected, the battery piece 6 is isolated from the outside, and the sealing property and the insulating property of the battery are improved; prevent that battery piece 6 electric leakage to influence solar panel's charging performance.

In order to make the solar panel have good supportability, the support 1 includes a support plate 11 supported on the back plate 2 and a main plate 12 connected to the support plate 11, the support plate 11 can rotate around the main plate 12 to form a triangular support structure, and the triangular support structure can be stably installed on an outdoor floor, so that a charging interface (not shown) is provided on the solar panel according to requirements to charge mobile intelligent devices such as mobile phones.

Further, in order to improve the portability of the solar panel, the support 1 further includes a handle plate 13 disposed on one side of the main plate 12, and the handle plate 13 is provided with a handle hole 131.

Example two

As shown in fig. 2, a bendable solar panel is disclosed, comprising: the device comprises a bracket 1 and a back plate 2 arranged on the bracket 1; five EVA layers 3, two flexible composite films 4, an ETFE layer 5 and a battery piece 6 are integrally laminated on the back plate 2, one EVA layer of the five EVA layers 3 is arranged between the back plate 2 and one flexible composite film of the two flexible composite films 4, and the battery piece 6 is formed by splicing a plurality of photoelectric conversion pieces 61 arranged in a matrix; replace the cotton board of current EPE commonly used through flexible composite film 4, then with 6 splits of battery piece into a plurality of little photoelectric conversion pieces 61 to make the flexible of solar panel can buckle, more portable.

Further, 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 adjacent to the back plate 2, and the second flexible composite film 42 is adjacent to the support 1.

Further, 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 disposed between the first flexible composite film 41 and the back plate 2, the second EVA layer 32 is disposed 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 cell sheet 6, the fourth EVA layer 34 is disposed between the second flexible composite film 42 and the cell sheet 6, and the fifth EVA layer 35 is disposed between the back plate 2 and the support 1.

In order to make the solar panel have good support, the support 1 includes a support plate 11 supported on the back plate 2 and a main plate 12 connected to the support plate 11, the support plate 11 can rotate around the main plate 12 to form a triangular support structure, and the triangular support structure can be stably installed on an outdoor level, so that a charging interface (not shown) is provided on the solar panel according to requirements to charge mobile intelligent devices such as a mobile phone.

The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A bendable solar panel, comprising: the back plate is arranged on the bracket; a plurality of EVA layers, two flexible composite membranes, ETFE layer and battery piece have been pressed to integrative layer on the backplate, an EVA layer in a plurality of EVA layers sets up backplate and two between flexible composite membrane of flexible composite membrane, the battery piece is formed by the concatenation of the photoelectric conversion piece of a plurality of matrix arrangements.

2. The bendable solar panel of claim 1, wherein the two flexible composite films comprise a first flexible composite film and a second flexible composite film, wherein the first flexible composite film is proximate to the backsheet and the second flexible composite film is proximate to the ETFE layer.

3. The bendable solar panel according to claim 2, wherein the EVA layers are three, the three EVA layers comprising a first EVA layer, a second EVA layer, and a third EVA layer; the first EVA layer is disposed between the first flexible composite film and the backsheet.

4. The bendable solar panel according to claim 3, wherein the second EVA layer is disposed between the second flexible composite film and the ETFE layer, and the third EVA layer is disposed between the backsheet and the support.

5. The bendable solar panel according to claim 4, wherein the cell sheet is attached between the first and second flexible composite films.

6. The bendable solar panel according to claim 2, wherein the EVA layers are five, the five EVA layers being divided into a first EVA layer, a second EVA layer, a third EVA layer, a fourth EVA layer, and a fifth EVA layer.

7. The bendable solar panel according to claim 6, wherein the first EVA layer is disposed between the first flexible composite film and the backsheet, the second EVA layer is disposed between the second flexible composite film and the ETFE layer, the third EVA layer is disposed between the first flexible composite film and the cell sheet, and the fourth EVA layer is disposed between the second flexible composite film and the cell sheet.

8. The bendable solar panel of claim 1, wherein the support frame comprises a support plate supported on the back plate and a main plate connected to the support plate, the support plate being rotatable about the main plate to form a triangular support structure.

9. The solar panel of claim 8, wherein the frame further comprises a handle panel disposed on one side of the main panel, the handle panel having handle holes formed therein.