Low-resistance solder strip for photovoltaic assembly automation line

Abstract

The invention discloses a low-resistance soldering strip for a photovoltaic module automatic line, which includes a substrate and a tin-coated layer. A first stopper is welded on the side wall of the substrate. A first groove is arranged between the first stopper and the substrate. A groove is arranged horizontally with the first stopper, the first stopper is symmetrically fixed on the substrate with respect to the substrate, the first bump is welded longitudinally on the first stopper, a through hole runs through the side wall of the substrate, and the through hole is connected to the first stopper The extension direction of the block is vertical, and the second block is welded on the side of the through hole of the substrate, and the second groove is arranged between the second block, and the through hole runs through the substrate between the second grooves, and the longitudinal The second bump is welded, the surface of the first groove, the second groove, the first block, and the second block are coated with a tin layer, which has the advantage of strong adhesion of the tin layer, and effectively solves the problem of photovoltaic module welding. For the problem of hidden cracks, the first stopper and the second stopper are installed horizontally with the substrate, which increases the volume of the substrate, thereby enhancing the conductivity of the solder strip.

Description

Technical field [0001] The invention relates to the technical field of welding ribbons, in particular to a low-resistance welding ribbon for automatic lines of photovoltaic modules. Background technique [0002] With the rapid development of society and the advancement of science and technology, solar energy has been widely used. In the application of solar energy, the welding tape for welding photovoltaic modules has played an important role in welding. The welding tape is an important raw material in the welding process of photovoltaic modules. The quality of the ribbon will directly affect the current collection efficiency of the photovoltaic module, and has a great impact on the power of the photovoltaic module. The general selection standard is to determine the thickness of the ribbon according to the thickness of the cell and the short-circuit current. The width of the battery should be the same as the main wire width of the battery. The softness and hardness of the solderi...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a low-resistance soldering strip for automatic lines of photovoltaic modules, which has the advantages of strong adhesion of the tin-coated layer, firm welding, and low resistance, and solves the problems of weak tin-coating and high welding resistance of the existing soldering strips

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