Solar dual-glass module, junction box used with same in matching way and installation method of junction box

Abstract

The invention discloses a solar dual-glass module, a junction box used with same in a matching way and an installation method of the junction box. The solar dual-glass module mainly comprises an upper glass plate, an upper package adhesive film, a plurality of battery pieces, a lower package adhesive film and a lower glass plate which are sequentially arranged from top to bottom, a busbar for connecting battery pieces extends between edge sides of the upper glass plate and the lower glass plate, a gap-shaped opening is formed in the edge side of the lower glass plate and is formed by cutting before the lower glass plate is tempered, and the busbar is exposed in the opening. In the solar dual-glass module, the gap-shaped opening is formed in the edge side of the lower glass plate and is used for installing the junction box; compared with the prior art of punching a hole in glass on a back surface of the module for installing the junction box, the solar dual-glass module has the advantage of simple process, the cost is reduced, moreover, the problem of concentrated stress is solved, and a risk that the glass and the module are exploded is prevented; and moreover, the busbar is led from the opening in the edge sides between the two layers of glass, trimming is facilitated, the busbar cannot be cut, and the yield of the module is improved.

Description

Technical field [0001] The invention relates to a solar double-glass module, a junction box used in conjunction with the solar double-glass module, and an installation method of the junction box. Background technique [0002] Double glass modules are one of the common types of photovoltaic modules. The double-glass module is composed of glass, packaging film, battery sheets, packaging film and glass from top to bottom. Each layer is laminated into one through vacuum heating. There are two main ways to install junction boxes on double-glass modules: [0003] ⑴Punch holes in the glass on the back of the double-glass module to lead out bus bars to connect to the junction box. However, the process of drilling holes in the glass is more difficult, resulting in an increase in the cost of the glass. In addition, there is a problem of stress concentration at the hole hole, which makes the glass There is a risk of explosion of components and components, which creates safety hazards...

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a notch-shaped opening on the side of the lower glass plate for installing the junction box. Compared with the existing installation of the junction box by drilling holes on the back glass of the module, the process is simple, the cost is reduced, and the problem of stress concentration is solved. , to avoid the risk of glass and components bursting

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