阅读说明：本技术 一种激光焊接方法及焊接系统 (Laser welding method and welding system ) 是由 郑大伟 黄帅 苏领 杨海山 布凡超 于 2019-04-19 设计创作，主要内容包括：本发明提供一种激光焊接方法及焊接系统,该焊接方法包括：采集前板膜上的电池片的位置数据；根据所述位置信息确定所述电池片和所述前板膜的对应焊接点；对焊接点进行焊接,以使所述电池片固定于所述前板膜的焊接位置。通过本发明实施例提供的激光焊接方法及焊接系统,能够有效提高激光焊接的操作效率和良品率,有效提高了电池的生产效率。(The invention provides a laser welding method and a welding system, wherein the welding method comprises the following steps: collecting position data of the battery piece on the front plate film; determining corresponding welding points of the battery piece and the front plate film according to the position information; and welding the welding points to fix the battery piece at the welding position of the front plate film. By the laser welding method and the welding system provided by the embodiment of the invention, the operation efficiency and the yield of laser welding can be effectively improved, and the production efficiency of batteries is effectively improved.)

1. A laser welding method, comprising:

collecting position data of the battery piece on the front plate film;

determining corresponding welding points of the battery piece and the front plate film according to the position information;

and welding the welding points to fix the battery piece at the welding position of the front plate film.

2. The laser welding method according to claim 1, wherein the step of collecting the positional information of the cell pieces on the front sheet film comprises:

acquiring image data of the front plate film and the battery piece;

setting a mark position on the front panel film according to the image data;

and determining the position data of the battery piece on the front plate film according to the marked position.

3. The laser welding method according to claim 1, further comprising:

and after the step of welding the welding points by using a laser welding device so as to fix the battery piece at the welding position of the front plate film, scribing an island at the welding position by using the laser welding device.

4. The laser welding method according to claim 1, wherein a region to be welded according to the welding point is cross-shaped or S-shaped.

5. A laser welding system, comprising:

the data acquisition module is used for acquiring position data of the battery piece on the front plate film;

the data processing module is used for determining corresponding welding points of the battery piece and the front plate film according to the position information;

and the welding module is used for welding the butt welding points so as to fix the battery piece at the welding position of the front plate film.

6. The laser welding system of claim 5, wherein the data acquisition module comprises:

the image acquisition unit is used for acquiring image data of the front plate film and the battery piece;

an image marking unit for setting a marking position on the front sheet film based on the image data;

and the image processing unit is used for determining the position data of the battery piece on the front plate film according to the marked position.

7. The laser welding system of claim 6, wherein the welding module is further configured to:

and scribing an island at the welding position by using the laser welding device.

8. The laser welding system of claim 5, wherein the area to be welded according to the weld is cross-shaped or S-shaped.

9. An electronic device for cleaning a photovoltaic module, comprising:

one or more processors;

a storage system for storing one or more programs,

when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-4.

10. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-4.

Technical Field

The invention relates to the technical field of solar cells, in particular to a laser welding method and a welding system.

Background

In the production process of the battery, the inter-chip interconnection (ICI) is to connect a plurality of small battery pieces in series to conduct current, and the connection of two battery pieces is to connect the negative electrode of another battery to the positive electrode of another battery. In the field of thin-film solar cells, since the surface without a film is a positive electrode and the surface with a film is a negative electrode, the cells are welded in such a manner that the negative electrodes of adjacent cells are connected to the positive electrode, thereby enabling the cells to be connected in series.

In order to achieve the above purpose, in the prior art, each battery piece is welded to the front plate in a manual welding manner, but the manual welding operation efficiency and the yield are low, and the production efficiency of the battery is seriously affected.

In view of the foregoing, there is a need for an automated welding process that overcomes the above-mentioned deficiencies of the prior art.

Disclosure of Invention

The embodiment of the invention provides a laser welding method and a welding system, so that the defects in the prior art can be overcome.

The embodiment of the invention provides a laser welding method, wherein the laser welding method comprises the following steps:

collecting position data of the battery piece on the front plate film;

determining corresponding welding points of the battery piece and the front plate film according to the position information;

and welding the welding points to fix the battery piece at the welding position of the front plate film.

In an embodiment of the present invention, the step of collecting the position information of the battery piece on the front plate film includes:

acquiring image data of the front plate film and the battery piece;

setting a mark position on the front panel film according to the image data;

and determining the position data of the battery piece on the front plate film according to the marked position.

In an embodiment of the present invention, the method further includes: and after the step of welding the welding points by using a laser welding device so as to fix the battery piece at the welding position of the front plate film, scribing an island at the welding position by using the laser welding device.

In an embodiment of the present invention, a region to be welded according to the welding point is cross-shaped or S-shaped.

An embodiment of the present invention further provides a laser welding system, including:

the data acquisition module is used for acquiring position data of the battery piece on the front plate film;

the data processing module is used for determining corresponding welding points of the battery piece and the front plate film according to the position information;

and the welding module is used for welding the butt welding points so as to fix the battery piece at the welding position of the front plate film.

In an embodiment of the present invention, the data acquisition module includes:

the image acquisition unit is used for acquiring image data of the front plate film and the battery piece;

an image marking unit for setting a marking position on the front sheet film based on the image data;

and the image processing unit is used for determining the position data of the battery piece on the front plate film according to the marked position.

In an embodiment of the present invention, the welding module is further configured to: and scribing an island at the welding position by using the laser welding device.

In an embodiment of the present invention, a region to be welded according to the welding point is cross-shaped or S-shaped.

An embodiment of the present invention further provides an electronic device for cleaning a photovoltaic module, where the electronic device includes:

one or more processors;

a storage system for storing one or more programs,

when executed by the one or more processors, cause the one or more processors to implement a laser welding method.

Embodiments of the present invention also provide a computer-readable medium on which a computer program is stored, where the computer program is executed by a processor to implement a laser welding method.

By the laser welding method and the welding system provided by the embodiment of the invention, the operation efficiency and the yield of laser welding can be effectively improved, and the production efficiency of batteries is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a flow chart of a method of laser welding according to an embodiment of the present invention;

fig. 2 is a block diagram of a laser welding system according to an embodiment of the present invention.

Fig. 3 is a diagram of a laser welding system according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is a flow chart of a laser welding method according to an embodiment of the present invention. The laser welding method comprises the following steps:

step S11: collecting position data of the battery piece on the front plate film;

step S12: determining corresponding welding points of the battery piece and the front plate film according to the position information;

step S13: and welding the welding points to fix the battery piece at the welding position of the front plate film.

In an embodiment of the present invention, the step of collecting the position information of the battery piece on the front plate film includes:

step S21: acquiring image data of the front plate film and the battery piece;

step S22: setting a mark position on the front panel film according to the image data;

step S23: and determining the position data of the battery piece on the front plate film according to the marked position.

In an embodiment of the present invention, the method further includes: and after the step of welding the welding points by using a laser welding device so as to fix the battery piece at the welding position of the front plate film, scribing an island at the welding position by using the laser welding device.

In an embodiment of the present invention, a region to be welded according to the welding point is cross-shaped or S-shaped.