Black photovoltaic module

By vertically setting the upper and lower parts of the busbar and adding black layers to the upper and lower parts of the busbar, the problems of bending and damage to the black layer during the stretching process are solved, thus improving the strength and aesthetics of the busbar.

CN223639621UActive Publication Date: 2025-12-05ANHUI SHIJING ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422946687.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-05
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

In the existing photovoltaic module blackening process, traditional busbar painting or tape can easily damage the surface and affect the overall aesthetics.

Method used

The design employs a busbar, with the upper and lower parts of the busbar vertically positioned. A black layer is applied to both the upper and lower parts of the busbar, formed through electroplating or spray painting. This design, as shown in the diagram, addresses the strength issue of the busbar and prevents bending and damage to the black layer during tensile testing.

Benefits of technology

The strength of the busbar has been enhanced, preventing bending and damage to the black layer during tension, thus improving installation efficiency and aesthetics.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223639621U_ABST
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Abstract

The utility model relates to the technical field of photovoltaic modules, and discloses a black photovoltaic module, which comprises a battery piece array, bus bar main bodies are arranged at the center joint and the outermost edge of the battery piece array, an upper-layer adhesive film is arranged on the upper surface of the battery piece array, an upper-layer glass plate is arranged on the upper surface of the upper-layer adhesive film, and a lower-layer glass plate is arranged on the lower surface of the upper-layer glass plate. The lower surface of the battery piece array is provided with a lower-layer adhesive film, the lower surface of the lower-layer adhesive film is provided with a bottom plate, and the bus bar main body comprises a bus bar upper part and a bus bar lower part. The bus bar body is divided into the upper portion and the lower portion, the upper portion and the lower portion are perpendicularly arranged, the strength of the bus bar body can be enhanced, the black layer is formed in a paint spraying or electroplating mode, and compared with paint spraying or adhesive tape pasting or black grid lines arranged on a glass plate of a traditional bus bar, the bus bar is more attractive in appearance. The bus bar main body is not easy to bend in the traction or pulling process to cause the falling of the black layer, and the installation is more convenient and faster.
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Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module technical field, concretely is a black photovoltaic module. BACKGROUND

[0002] The existing photovoltaic module is handled in full black for the appearance, and the common mode is black or black shielding treatment to the frame, the busbar, the solder strip of the module, thereby obtains the module of full black, and the common black module processing mode is that the busbar is sprayed with black paint or the busbar surface is pasted through the black adhesive tape. But the above common processing mode has certain drawbacks, the first kind is sprayed with black paint to the ordinary busbar, and when the busbar is hauled or pulled, the surface paint layer is easy to crack or fall off, and the overall appearance is affected, the second kind of black adhesive tape pasting directly has a pasting procedure, and the efficiency is reduced. Therefore, the technical personnel in the art provide a black photovoltaic module to solve the problems in the background art. SUMMARY

[0003] The utility model aims at providing a black photovoltaic module to solve the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A black photovoltaic module, comprising a cell sheet array, a busbar main body is installed in the middle seam and the outermost edge of the cell sheet array, an upper layer of adhesive film is arranged on the upper surface of the cell sheet array, an upper layer of glass plate is arranged on the upper surface of the upper layer of adhesive film, a lower layer of adhesive film is arranged on the lower surface of the cell sheet array, a bottom plate is arranged on the lower surface of the lower layer of adhesive film, a junction box is installed on the lower surface of the bottom plate, the busbar main body comprises a busbar upper part and a busbar lower part, the busbar upper part and the busbar lower part are integrally formed, and the busbar lower part is located on the lower side of the busbar upper part, and a black layer is arranged on the side surface and the upper surface of the busbar upper part.

[0006] As a further scheme of the utility model: the busbar upper part and the busbar lower part are both flat strip structures, and are arranged perpendicular to each other.

[0007] As a further scheme of the utility model: the black layer is an electroplated layer formed by black metal electroplating.

[0008] As a further scheme of the utility model: the black layer is a paint layer formed by spraying black paint.

[0009] As a further scheme of the utility model: the bottom plate is provided with a positioning groove on the side close to the lower layer of glue film, the position of the positioning groove and the position of the lower part of the bus bar correspond to each other, and the lower part of the bus bar extrudes the lower layer of glue film and is clamped in the inside of the positioning groove.

[0010] As a further scheme of the utility model: the bottom plate is of one of glass material or plastic material.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] By setting the bus bar body into upper and lower parts, vertically setting the upper and lower parts, the strength of the bus bar body can be enhanced, the bending deformation in taking and using is avoided, and the black layer is formed by spraying paint or electroplating, compared with the traditional bus bar spraying paint, sticking adhesive tape or setting black grid lines on the glass plate, the bus bar body is not easy to bend and cause the black layer to fall off in the process of traction or pulling, installation is more convenient and fast, installation steps are reduced, gluing treatment can be directly carried out, assembly efficiency is improved, the integrity of the surface of the bus bar body is ensured, and the appearance of the photovoltaic module is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a schematic view of a multilayer structure of a black photovoltaic module;

[0014] Fig. 2 It is a schematic view of the structure of a black bus bar in a black photovoltaic module;

[0015] Fig. 3 It is another schematic view of the structure of a black bus bar in a black photovoltaic module.

[0016] In the drawing: 1, cell array; 11, cell unit; 2, upper layer of glue film; 3, upper layer of glass plate; 4, lower layer of glue film; 5, bottom plate; 6, positioning groove; 7, bus bar body; 71, upper part of bus bar; 72, lower part of bus bar; 73, black layer. DETAILED DESCRIPTION

[0017] The utility model will be further described in detail in combination with the drawings. These drawings are all simplified schematic views, and only illustrate the basic structure of the utility model in a schematic manner, so they only show the structure related to the utility model.

[0018] The utility model embodiment will be further described in detail below in combination with the drawings

[0019] For example, Figs. 1-3As shown, in the utility model embodiment, a black photovoltaic module, including cell array 1, the middle joint and the outermost side of cell array 1 are equipped with busbar main body 7, the upper surface of cell array 1 is provided with upper layer glue film 2, the upper surface of upper layer glue film 2 is provided with upper layer glass sheet 3, the lower surface of cell array 1 is provided with lower layer glue film 4, the lower surface of lower layer glue film 4 is provided with bottom plate 5, and the lower surface of bottom plate 5 is equipped with terminal box.

[0020] Preferably, the busbar main body 7 includes a busbar upper portion 71 and a busbar lower portion 72, the busbar upper portion 71 and the busbar lower portion 72 are integrally formed, and the busbar lower portion 72 is located on the lower side of the busbar upper portion 71, and the side surface and the upper surface of the busbar upper portion 71 are provided with a black layer 73.

[0021] Preferably, the busbar upper portion 71 and the busbar lower portion 72 are both flat strip structures, and are arranged perpendicular to each other, which can enhance the strength of the busbar main body 7 and solve the problem of easy bending of the busbar main body 7. Fig. 2 And Fig. 3 As shown, the cross section of the busbar main body 7 can be a T-shaped or a L-shaped, and can also be other shapes when ensuring that the busbar upper portion 71 and the busbar lower portion 72 are perpendicular to each other.

[0022] Preferably, the black layer 73 is an electroplated layer formed by electroplating black metal, which is more stable and less likely to be scratched off, facilitating taking and using.

[0023] Preferably, the black layer 73 can also be a paint layer formed by spraying black paint, which is lower in cost and easier to operate than the electroplated layer.

[0024] Preferably, the bottom plate 5 is provided with a positioning groove 6 on the side close to the lower layer glue film 4, the position of the positioning groove 6 corresponds to the position of the busbar lower portion 72, and the busbar lower portion 72 is pressed against the lower layer glue film 4 and is clamped in the positioning groove 6.

[0025] Preferably, the bottom plate 5 is made of glass or plastic, when the bottom plate 5 is made of glass, in combination with the upper layer glass sheet 3, the photovoltaic module is a double-glass module, and when the bottom plate 5 is made of plastic, the photovoltaic module is a single-glass module.

[0026] The utility model discloses a working principle is: because the bus bar main part 7 adopts the combination of bus bar upper portion 71 and bus bar lower portion 72 and sets up, two perpendicular each other, can provide the strength of bus bar main part 7 whole, make bus bar main part 7 not easy to bend, when black layer 73 adopts the paint spraying and constitutes, after bus bar main part 7 not easy to bend, the black layer 73 formed by paint spraying also not easy to appear paint skin crack or fall off, guarantee bus bar main part 7 surface aesthetic property, and through the setting bus bar lower portion 72, the lead wire lead-out end of battery piece unit 11 and bus bar lower portion 72 carry out welding, and the welding spot is far from black layer 73, make black layer 73 not easy to heat melt, and welding spot is located the surface of bus bar lower portion 72, and the welding position is bigger, and welding spot is more stable, not easy to de-soldering and virtual soldering, and when black layer 73 adopts the electroplating and forms, when taking and using bus bar main part 7, will not appear the abrasion discoloration condition of using, and the black layer 73 formed by electroplating is more stable.

[0027] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, carries out equivalent replacement or changes, should be covered in the protection scope of the utility model.

Claims

1. A black photovoltaic module, comprising a cell array (1), a busbar body (7) is installed on the middle seam and the outermost edge of the cell array (1), an upper layer of adhesive film (2) is arranged on the upper surface of the cell array (1), an upper layer of glass plate (3) is arranged on the upper surface of the upper layer of adhesive film (2), a lower layer of adhesive film (4) is arranged on the lower surface of the cell array (1), and a bottom plate (5) is arranged on the lower surface of the lower layer of adhesive film (4), and a junction box is installed on the lower surface of the bottom plate (5), characterized in that: The busbar body (7) comprises a busbar upper part (71) and a busbar lower part (72), the busbar upper part (71) and the busbar lower part (72) are integrally formed, and the busbar lower part (72) is located at the lower side of the busbar upper part (71), and the side surface and the upper surface of the busbar upper part (71) are provided with a black layer (73).

2. A black photovoltaic module according to claim 1, characterized in that: The busbar upper part (71) and the busbar lower part (72) are both flat strip structures, and are arranged perpendicular to each other.

3. A black photovoltaic module according to claim 2, characterized in that: The black layer (73) is an electroplated layer formed by electroplating of black metal.

4. A black photovoltaic module according to claim 2, characterized in that: The black layer (73) is a paint layer formed by spraying of black paint.

5. A black photovoltaic module according to claim 1, wherein: The bottom plate (5) is provided with a positioning groove (6) on the side close to the lower layer of adhesive film (4), the position of the positioning groove (6) and the position of the busbar lower part (72) correspond to each other, and the busbar lower part (72) extrudes the lower layer of adhesive film (4) and is clamped in the inside of the positioning groove (6).

6. A black photovoltaic module according to claim 1, characterized in that: The bottom plate (5) is one of glass material or plastic material.