Photovoltaic module and preparation method thereof

By using the A-side-free frame and side sealing structure in the photovoltaic module, the problems of sealant overflow and conveyor belt pollution are solved, and the anti-gravel effect and production efficiency are improved.

CN120187117APending Publication Date: 2025-06-20SHANGHAI & SOLAR TECH
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Patent Information

Application Number
CN202510346000.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-06-20

AI Technical Summary

Technical Problem

During the preparation of photovoltaic modules, sealant overflows on the front of the photovoltaic laminate, causing contamination of the conveyor belt, reducing production efficiency and affecting the appearance and anti-gravel effect.

Method used

The A-side-free frame is used to cooperate with the side sealing structure, including a side baffle, a bottom support plate, a side sealing structure and a bottom sealing structure. The side seal structure consists of a sealing part and a deformable anti-spilling part. The sealing glue is embedded below the deformable anti-spilling part. Through the extrusion of the photovoltaic laminate, the sealing glue is pushed to move towards the side baffle to prevent the overflow of glue.

Benefits of technology

It effectively avoids sealant from overflowing on the front of the photovoltaic laminate, prevents contamination of the conveyor belt, improves the anti-gravel effect and production efficiency of the photovoltaic modules, and simplifies the assembly process.

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Abstract

The invention discloses a photovoltaic module and a preparation method thereof. The photovoltaic module comprises a photovoltaic laminated part, a frame without an A surface, a side sealing structure and a bottom sealing structure, wherein the frame comprises a side baffle plate and a bottom supporting plate; the side sealing structure is positioned between the side baffle and the side surface of the photovoltaic laminated piece and is embedded with the side baffle; the side sealing structure comprises a sealing part attached to the side baffle and a deformable glue overflowing preventing part, and the deformable glue overflowing preventing part is arranged on the side away from the side baffle. The bottom sealing structure is formed by extruding a sealant placed on the bottom supporting plate by a photovoltaic laminating piece; in the process that the photovoltaic laminating piece extrudes the sealant, the side, close to the side baffle, of the sealant is embedded into the lower portion of the deformable anti-overflow glue part, the photovoltaic laminating piece pushes the deformable anti-overflow glue part to deform and pushes the sealant to move towards the side baffle, and the deformable anti-overflow glue part and the sealant are attached to the sealing part. The side-A-free frame used by the photovoltaic module can prevent glue from overflowing to the front surface of the photovoltaic laminated piece, and the dust deposition prevention effect of the photovoltaic module is improved.
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