MWT assembly conductive adhesive rating test method

A testing method and conductive adhesive technology, applied in the direction of measuring devices, instruments, weighing, etc., can solve the problems of conductive adhesive loss deviation, etc., and achieve the effect of improving stability, improving electrical performance, and simple operation

Active Publication Date: 2019-05-31
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 an MWT assembly conductive adhesive rating test method. The method comprises the following steps: 1, selecting at least two conductive core plates in the same production line batch as test samples; 2, preparing an EVA strip, and marking the EVA strip as a ribbon of a bundle of conductive core plates; 3, calibrating an electronic scale, and recording a weighing result of theconductive core plates as W1; 4, only brushing glue on the conductive core plates without laying other materials; 5, after glue brushing, taking out the conductive core plates under the condition ofavoiding inaccurate weighing caused by the fact that the conductive core plate does not touch the conductive glue, and weighing a result W2 after glue brushing; 6, taking W2-W1 as the usage amount ofthe conductive adhesive. The method aims to solve the problem of large conductive adhesive loss deviation caused by adhesive shoveling and mesh plate hole blocking.

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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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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