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Low-stress solar assembly and manufacture method thereof

A technology of solar modules and manufacturing methods, applied in the direction of final product manufacturing, sustainable manufacturing/processing, electrical components, etc., can solve the problems of high fragmentation rate of solar modules, large thermal stress of solar modules, and high cost of use, so as to improve consistency and pass rate, reduce thermal stress, and prolong service life

Active Publication Date: 2012-07-11
江苏润达光伏无锡有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the consistency of commonly used solar modules is poor, and the thermal stress of solar modules is large, resulting in high fragmentation rate of solar modules, short service life and high cost of use

Method used

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  • Low-stress solar assembly and manufacture method thereof
  • Low-stress solar assembly and manufacture method thereof
  • Low-stress solar assembly and manufacture method thereof

Examples

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Effect test

Embodiment Construction

[0013] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0014] Such as figure 1 with image 3 As shown: the present invention includes a glass plate 1 , an adhesive 2 , a battery sheet 3 , a welding ribbon 4 , a bend 5 and a back film 6 .

[0015] Such as figure 1 As shown: the solar module includes a glass plate 1 and a back film 6, and several battery pieces 3 are arranged between the glass plate 1 and the back film 6, and the battery pieces 3 are connected as a whole by welding ribbons 4 to form a battery piece Components; the battery chip component is fixed to the glass plate 1 and the back film 6 through the adhesive 2 respectively. A bend 5 is provided in the central area of ​​the solder ribbon 4, and the bend 5 is located between adjacent battery sheets 3, and the height of the bend 5 is 150 μm-300 μm. The bend 5 is formed by bending at the central area of ​​the welding ribbon 4, so as to provide cushioni...

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Abstract

The invention relates to a low-stress solar assembly and a manufacture method thereof. The low-stress solar assembly comprises a glass plate and a back membrane, wherein a plurality of battery sheets are arranged between the glass plate and the back membrane, and the battery sheets are connected into a whole through solder strips to form a battery sheet assembly; the battery sheet assembly is respectively fixed with the glass plate and the back membrane through assembly glue; and the centers of the solder strips are provided with bends which are arranged between every two adjacent battery sheets. The solder strips are pre-tensioned to ensure that the percentage elongations of the solder strips are consistent; the centers of the solder strips are provided with the bends, which can provide buffer when the solder strips are expanded with heat and contracted with cold so as to reduce the mutual stress function among the battery sheets; the battery sheets are preheated before welded with the solder strips, which reduces the temperature difference of the battery sheets and an iron head, reduces the heat stress function of the single battery sheet, greatly reduces the thermal stress of a solar assembly, improves the consistency and the yield of products, lowers the percentage of damage of the products, prolongs the service life of the solar assembly, decreases the use cost, and has safety and reliability.

Description

technical field [0001] The invention relates to a solar component and a manufacturing method thereof, in particular to a low-stress solar energy and a manufacturing method thereof, belonging to the technical field of solar energy. Background technique [0002] As a renewable new energy source, solar energy has been widely valued due to its energy-saving and environmental protection effects. Especially when electricity, coal, oil and other non-renewable energy resources are frequently running out, and energy issues have increasingly become a bottleneck restricting the development of the international society and economy, more and more countries have begun to implement the "Sunshine Plan" to develop solar energy resources and seek new economic development. power. At present, the commonly used solar modules have poor consistency, and the thermal stress of the solar modules is large, resulting in a high fragmentation rate of the solar modules, short service life, and high cost ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/05H01L31/18
CPCY02E10/50Y02P70/50
Inventor 盖力进倪鸣鹤
Owner 江苏润达光伏无锡有限公司
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