Solar photovoltaic component and welding process
A technology of solar photovoltaic and welding technology, applied in the field of solar photovoltaic, can solve problems such as short circuit, and achieve the effect of improving service life, improving anti-distortion, and reducing bridge stress.
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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for any limitation of the present invention.
[0024] Example. Solar photovoltaic modules, constituted as figure 1 , figure 2 and image 3 , including a group of solar cells 1, each solar cell 1 surface (including the front and back) is provided with a main grid 2 (see figure 2 ); the front side of the solar cell sheet and the back side of the adjacent solar cell sheet are welded and connected by the interconnection bar 4; at the end of the solar cell sheet 1, there is a welding gap area 5 between the lead wire of the interconnection bar and the solar cell sheet (see image 3 ). The length of the welding void area 5 is preferably 5-10 mm.
[0025] The welding process of the aforementioned solar photovoltaic modules comprises the following steps:
[0026] a. Weld the front side first (ie image 3 above); pr...
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