A kind of MWT component conductive adhesive rating test method

A test method and technology of conductive adhesive, which is applied in the direction of measuring devices, instruments, and weighing equipment for materials with special properties/forms, etc., can solve problems such as conductive adhesive loss deviation, reduce waste, improve electrical performance stability, and operate simple effect

Active Publication Date: 2021-06-18
JIANGSU SUNPORT POWER CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above technical problems, the present invention aims to provide a MWT component conductive adhesive rating test method, which is to solve the problem of large loss deviation of conductive adhesive due to shoveling and blockage of screen holes

Method used

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention are described below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] The inventive method is divided into the following steps;

[0022] 1. Select the same conductive core board as the batch of the production line,

[0023] 2. Prepare EVA strips and mark them as cable ties for binding conductive core boards

[0024] 3. Put the electronic scale on a flat place with nothing around it and adjust the level to ensure that the electronic scale is in a horizontal state.

[0025] 4. Preheat the electronic scale for more than 30 minutes, start zero calibration, reset to zero every half a minute, and start weighing after five ...

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Abstract

The invention discloses a method for testing the quota of conductive adhesive for MWT components. The method includes the following steps: step 1, select at least two conductive core boards from the same production line batch as test samples; step 2, prepare EVA strips, make The good mark is used as a cable tie for bundling the conductive core board; step 3, calibrate the electronic scale, and record the weighing result of the conductive core board as W1; step 4, apply glue only to the conductive core board without laying other materials; step 5, brush glue After that, take out the conductive core board, and be careful not to touch the conductive glue, which will cause the weighing inaccuracy. After brushing the glue, the weighing result is W2; in step 6, W2‑W1 is the amount of conductive glue used. The problem to be solved by this method is the large deviation of conductive glue loss caused by the shovel glue and the blockage of the stencil hole.

Description

technical field [0001] The invention relates to the technical field related to MWT photovoltaic components, in particular to a method for rating test of conductive adhesive of MWT components. Background technique [0002] The MWT module uses conductive adhesive instead of the traditional ribbon, which increases the illuminated area and improves the efficiency of the module. However, too much conductive adhesive will cause unnecessary waste of conductive adhesive. When the battery sheet is squeezed during lamination, it will cause lapping between the copper foil and the aluminum back of the battery sheet, resulting in black chips and even scrapping of components. Less conductive adhesive will cause voids. weld. So a method of quota testing is needed. [0003] We must control the loss of conductive adhesive. The existing technology uses weighing each pot of unused conductive adhesive, and then scoops up the remaining adhesive and puts it into the plastic box. The total amou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01G17/00G01G17/02
Inventor 陈敏路忠林吴仕梁张凤鸣
Owner JIANGSU SUNPORT POWER CORP LTD
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