CN-121985599-A - Photovoltaic module, method for manufacturing photovoltaic module, and device for manufacturing photovoltaic module

Abstract

The present application relates to a photovoltaic module, a method of manufacturing the photovoltaic module, and an apparatus for manufacturing the photovoltaic module. The photovoltaic module comprises a plurality of battery strings, wherein each battery string comprises a plurality of battery pieces distributed along a first direction, each battery piece comprises a first battery piece and a second battery piece, the first battery pieces are provided with a first right-angle side and a chamfer side which are arranged oppositely, the second battery pieces are provided with two second right-angle sides which are arranged oppositely, and at least one battery piece located on at least one side of each battery string along the first direction is the first battery piece. The probability of breaking can be reduced, and the risk of breaking can be reduced, so that the yield and reliability of the photovoltaic module can be improved.

Inventors

• PENG YINGYING
• Bi Shuqin

Assignees

• 晶科能源(海宁)有限公司

Dates

Publication Date

20260505

Application Date

20260330

Claims (18)

1. 1. The photovoltaic module is characterized by comprising a plurality of battery strings, wherein the battery strings comprise a plurality of battery pieces distributed along a first direction, and the plurality of battery pieces comprise a first battery piece and a second battery piece; The first battery piece is provided with a first right-angle side and a chamfer side which are oppositely arranged; The second battery piece is provided with two second right-angle sides which are oppositely arranged; In at least one of the battery strings, the battery piece located at least one side of the battery string along the first direction is the first battery piece.
2. 2. The photovoltaic module of claim 1, wherein in at least one of the cell strings, two of the cell sheets located on opposite sides of the cell string in the first direction are both the first cell sheets.
3. 3. The photovoltaic module of claim 1, further comprising a connection line; the connecting wire is positioned at one side of the battery string along the second direction and protrudes out of the battery string along the first direction so as to be electrically connected with the battery string; Defining the battery strings arranged opposite to the connecting line along the second direction as first battery strings; In the first battery string, the battery piece positioned on at least one side of the first battery string along the first direction is the first battery piece; The first direction and the second direction intersect each other.
4. 4. The photovoltaic module of claim 1, wherein the chamfered edge comprises a straight edge and two chamfers, the straight edge being connected between the two chamfers, the chamfers being either rounded or flat.
5. 5. The photovoltaic module according to claim 4, wherein the straight line extends along a third direction, and/or The first battery piece also comprises a first edge connected between the first right-angle edge and the chamfer edge, wherein the value range of the distance between the straight edge and the first edge is 1.4mm-2.5mm along the first direction or the third direction; Wherein the first direction and the third direction intersect each other.
6. 6. The photovoltaic module of any of claims 1-5, wherein the photovoltaic module comprises a plurality of the strings of cells arranged along a third direction; and in the plurality of battery strings distributed along the third direction, the battery piece on at least one side of each battery string along the first direction is the first battery piece.
7. 7. The photovoltaic module according to claim 6, wherein among the plurality of cell strings laid out in the third direction, a part of the chamfered edges of the plurality of first cell pieces on the same side in the first direction is disposed flush.
8. 8. The photovoltaic module of any of claims 1-5, further comprising a first cover plate; All the battery strings are arranged on one side of the first cover plate along the second direction; the first cover plate is provided with two first edges which are oppositely arranged along a third direction; Defining the battery string closest to the first edge in the third direction as a second battery string; in the second battery string, at least one battery piece is the first battery piece.
9. 9. The photovoltaic module of claim 8, wherein in the second cell string, the cell sheet located on at least one side of the second cell string in the first direction is the first cell sheet.
10. 10. The photovoltaic module of claim 8, wherein in the second string of cells, the plurality of cells are each the first cell.
11. 11. The photovoltaic module according to claim 8, wherein a plurality of the cells in the second cell string are arranged at equal intervals, and/or In the second battery string, at least part of the chamfer edges of the plurality of battery pieces are arranged in parallel.
12. 12. The photovoltaic module is characterized by comprising a plurality of battery strings distributed along a third direction, wherein the battery strings comprise a plurality of battery pieces distributed along a first direction, and the plurality of battery pieces comprise a first battery piece and a second battery piece; The first battery piece is provided with a first right-angle side and a chamfer side which are oppositely arranged; The second battery piece is provided with two second right-angle sides which are oppositely arranged; among all the battery strings arranged along the third direction, the battery string located on one side along the third direction is a second battery string; in the second battery string, at least one battery piece is the first battery piece.
13. 13. The photovoltaic module of claim 12, further comprising a frame; at least a portion of the second battery string is located within the bezel; the frame is provided with a mounting hole for load test, and the mounting hole is positioned at one side of the second battery string along the second direction.
14. 14. A method of manufacturing a photovoltaic module, characterized by being used for manufacturing the photovoltaic module of any one of claims 1 to 13; the manufacturing method of the photovoltaic module comprises the following steps: And selecting the first battery piece, and placing the first battery piece to one side of the battery string along the first direction.
15. 15. The method of manufacturing a photovoltaic module according to claim 14, further comprising: and identifying the battery string to determine the battery piece positioned on at least one side of the battery string along the first direction as the first battery piece.
16. 16. A manufacturing apparatus for a photovoltaic module, characterized in that it is used for manufacturing the photovoltaic module according to any one of claims 1 to 13, comprising: the first selecting mechanism is used for selecting the first battery piece and placing the first battery piece to one side of the battery string along the first direction.
17. 17. The apparatus for manufacturing a photovoltaic module according to claim 16, further comprising: and the identification mechanism is used for identifying the battery string to determine the battery piece positioned on at least one side of the battery string along the first direction as the first battery piece.
18. 18. The apparatus for manufacturing a photovoltaic module according to claim 16, further comprising: A first supply mechanism for supplying a plurality of the first battery plates, and And the second providing mechanism is used for providing a plurality of second battery pieces.

Description

Photovoltaic module, method for manufacturing photovoltaic module, and device for manufacturing photovoltaic module Technical Field The application relates to the technical field of photovoltaics, in particular to a photovoltaic module, a manufacturing method of the photovoltaic module and manufacturing equipment of the photovoltaic module. Background The photovoltaic module is a core component of the solar power generation system and is used for converting light energy into electric energy. How to improve the yield of the photovoltaic module is one of the future development directions of the photovoltaic module. Disclosure of Invention Based on this, it is necessary to provide a photovoltaic module, a method of manufacturing the photovoltaic module, and an apparatus for manufacturing the photovoltaic module, which can improve the yield of the photovoltaic module. According to the first aspect of the application, the photovoltaic module comprises a plurality of battery strings, wherein each battery string comprises a plurality of battery pieces distributed along a first direction, each battery piece comprises a first battery piece and a second battery piece, the first battery piece is provided with a first right-angle side and a chamfer side which are oppositely arranged, the second battery piece is provided with two second right-angle sides which are oppositely arranged, and at least one battery piece located on at least one side of each battery string along the first direction is the first battery piece. In one embodiment, in at least one of the battery strings, two battery cells located on opposite sides of the battery string along the first direction are both first battery cells. In one embodiment, the photovoltaic module further comprises a connecting wire, the connecting wire is located on one side of the battery string along the second direction and protrudes out of the battery string along the first direction to be electrically connected with the battery string, the battery string which is arranged opposite to the connecting wire along the second direction is defined as a first battery string, a battery piece located on at least one side of the first battery string along the first direction in the first battery string is a first battery piece, and the first direction and the second direction are intersected with each other. In one embodiment, the chamfer edge comprises a straight line edge and two chamfers, the straight line edge is connected between the two chamfers, and the chamfers are flat or round. In one embodiment, the straight line extends along the third direction, and/or the first battery piece further comprises a first edge connected between the first right-angle edge and the chamfer edge, the distance between the straight line edge and the first edge is 1.4mm-2.5mm along the first direction or the third direction, and the first direction and the third direction intersect each other. In one embodiment, the photovoltaic module comprises a plurality of battery strings arranged along a third direction, and the battery piece on at least one side of each battery string along the first direction is a first battery piece in the plurality of battery strings arranged along the third direction. In one embodiment, among the plurality of battery strings arranged along the third direction, a part of the chamfered edges of the plurality of first battery pieces on the same side along the first direction is arranged flush. In one embodiment, the photovoltaic module further includes a first cover plate, and all the cell strings are disposed on one side of the first cover plate along the second direction. The first cover plate is provided with two first edges which are oppositely arranged along a third direction, a battery string closest to the first edges along the third direction is defined as a second battery string, and at least one battery piece in the second battery string is a first battery piece. In one embodiment, in the second battery string, the battery cells located on at least one side of the second battery string along the first direction are the first battery cells. In one embodiment, in the second battery string, the plurality of battery cells are all first battery cells. In one embodiment, the plurality of battery cells are arranged at equal intervals in the second battery string, and/or at least part of chamfer edges of the plurality of battery cells are arranged in parallel in the second battery string. According to a second aspect of the application, there is provided a photovoltaic module comprising a plurality of strings arranged in a third direction, the strings comprising a plurality of cells arranged in a first direction, the plurality of cells comprising a first cell having oppositely disposed first right angle sides and chamfered edges and a second cell having oppositely disposed second right angle sides. Among all the battery strings distributed along the third direction, the ba