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Welding method and device for repairing solar cell string

A technology of solar cells and welding methods, applied in auxiliary devices, welding equipment, manufacturing tools, etc., can solve problems affecting the production capacity of photovoltaic modules, low efficiency of battery strings, and inability to meet the production speed of the production line of complete machine manufacturers

Active Publication Date: 2021-06-18
NINGXIA XN AUTOMATION EQUIP CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increase in the number of battery busbars and the increase in the production capacity of battery strings, the manual repair of battery strings is inefficient and cannot meet the production speed of the complete machine manufacturer's production line, which seriously affects the production capacity of photovoltaic modules

Method used

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  • Welding method and device for repairing solar cell string
  • Welding method and device for repairing solar cell string
  • Welding method and device for repairing solar cell string

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] figure 1The overall layout structure of the solar cell string repair device is shown, the device includes: a welding workbench 4 arranged on the battery string repair platform, used to receive replacement battery pieces 15, and can move along the X, Y, and Z directions relative to the welding workbench The clamp 1 is used to clamp the welding strip between the replacement battery piece 15 and the two adjacent battery pieces in the same plane, and the spraying mechanism 3 that can move along the X, Y, and Z directions relative to the welding table is used for the required Clamp the overlapped welding strips and spray flux, the fixture 1 is provided with an opening 11 corresponding to the overlapping welding strips, and the overlapping welding strips at the opening 11 are exposed to the outside; the spraying mechanism 3 and the welding mechanism 2 can be inserted into the fixture 1 The opening 11 of the welding mechanism 2 acts on the plane of the opening 11 on the fixtur...

Embodiment 2

[0054] The difference between embodiment 2 and embodiment 1 is that an electromagnetic welding mechanism is used instead of an electric soldering iron welding mechanism for welding, and the electromagnetic welding mechanism 9 is placed on or above the micro-clamp mechanism that clamps the overlapped welding strip.

[0055] Working principle: Before repairing, the battery sheet with the welding ribbon is placed on the welding table 4, and the X, Y, Z three-way moving device drives the fixture 1 to move to an appropriate position, so that the welding ribbon to be connected is located under the jaw 10 , close to the jaws 10, the spraying mechanism 3 is driven by the X, Y, Z three-way moving device to spray flux from the opening 11 on the jaws 10, and the welding ribbon to be welded is sprayed with flux, and the driving mechanism 12 makes the jaws 10 in the same position. Clamp two overlapped welding strips in the plane, so that the welding strips are close to each other, and the w...

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PUM

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Abstract

The invention provides a welding method for repairing a solar cell string. The welding method comprises the following steps of replacing a substitute cell welded with a welding strip at a position where a cell to be removed in the solar cell string is removed, and welding the welding strip of the substitute cell with welding strips on two adjacent cells. The invention further provides a device for implementing the method. Before welding, the welding strip at the position to be welded is clamped in an abutting mode through a clamp, and it is guaranteed that welding is reliable and firm.

Description

technical field [0001] The invention relates to a welding method for solar battery strings, in particular to a welding method for repairing solar battery strings, and also to a device for repairing solar battery strings. Background technique [0002] With the development of solar photovoltaic cell and module technology, the production of solar cell strings has been fully automated. [0003] In the actual production process, there are still some battery string components that need to be reworked manually. The specific method is to first heat the soldering strip with a soldering iron, and use a release paper to separate the soldering strip from each electrode on the battery sheet synchronously. After removing all of them, place a new battery at the original bad location, and then use a soldering iron to seal the soldering strip. Solder in turn. However, with the increase in the number of battery busbars and the increase in the production capacity of battery strings, the manu...

Claims

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Application Information

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IPC IPC(8): B23K1/00B23K1/20B23K3/00B23K3/08
CPCB23K1/0008B23K1/203B23K3/00B23K3/08B23K3/082B23K3/087B23K2101/36
Inventor 何舒维罗永勇
Owner NINGXIA XN AUTOMATION EQUIP CO LTD