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A kind of solar cell assembly and encapsulation process for building roof

A technology of solar cells and components, applied in the field of solar cells, can solve the problems of monotonous solar cell roof structure, single structure of solar cell components, loss, etc., and achieve the effects of improving wind resistance, convenient construction, and simplified wiring

Inactive Publication Date: 2020-09-11
无锡和家光能有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the relatively simple structure of the existing solar cell modules, the solar cell roof structure built by it is relatively monotonous, and loses the characteristics of traditional classical architectural style or garden architectural style

Method used

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  • A kind of solar cell assembly and encapsulation process for building roof
  • A kind of solar cell assembly and encapsulation process for building roof
  • A kind of solar cell assembly and encapsulation process for building roof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Such as figure 1 , Figure 3 to Figure 5 , Figure 7 Shown is an embodiment of a solar cell assembly for building roofs of the present invention, including a tile-shaped solar cell package body 10 with an upward arc-shaped protrusion, used for installing the solar cell package body 10 and cooperating with the solar cell package body 10 A solar cell frame 20 that is adapted to the four sides of the solar cell package 10, the solar cell package 10 is a five-layer stacked structure, and the five-layer stacked structure includes a back sheet layer 11, a first sealant layer stacked in sequence Layer 12, crystalline silicon solar cell layer 13, second sealant layer 14, glass layer 15, the back sheet layer 11, first sealant layer 12, crystalline silicon solar cell layer 13, second sealant layer 14, The glass layers 15 each have a tile-like structure that protrudes upward in an arc shape.

[0055] The solar cell package 10 in the above technical solution has an upwardly cur...

Embodiment 2

[0065] Such as Figure 2 to Figure 4 , Figure 6 , Figure 7 Shown is an embodiment of a solar cell assembly used for building roofs in this embodiment, including a tile-shaped solar cell package 10 with a downward arc-shaped protrusion, used for installing the solar cell package 10 and The solar cell frame 20 adapted to the four sides of the solar cell package 10, the solar cell package 10 is a five-layer stacked structure, and the five-layer stacked structure includes a backsheet layer 11, a first layer stacked in sequence Sealant layer 12, crystalline silicon solar cell layer 13, second sealant layer 14, glass layer 15, the back sheet layer 11, first sealant layer 12, crystalline silicon solar cell layer 13, second sealant layer 14. The glass layers 15 all have a tile-like structure that protrudes downward in an arc shape.

[0066] Wherein, the front end of the solar cell frame 20 is provided with a front junction box 21, and the rear end of the solar cell frame 20 is pr...

Embodiment 3

[0070] Such as Figures 1 to 7 Shown is an embodiment of the encapsulation process of a solar cell module used for building roofs in this embodiment, including the following process steps:

[0071] Step 1, cell detection process;

[0072] Step 2, cell welding process: use tin-plated copper strips to string the cells, which includes welding the front side of the cells and welding the reverse side of the cells;

[0073] Step 3. Lamination process: lamination is carried out in the order from bottom to top, including glass layer 15, second sealant layer 14, battery sheet layer 13, first sealant layer 12, and backplane layer 11;

[0074] Step 4. Lamination process: Put the stacked components into the lamination machine, vacuumize, heat and laminate, and take them out after cooling; wherein, the lamination machine is used to heat the stacked components The heating plate 31 has a positioning surface adapted to the arc-shaped convex structure of the glass layer 15 in the solar cell ...

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Abstract

The invention discloses a solar cell module for a building roof and a packaging technology, and relates to the technical field of solar cells. The solar cell module comprises a tile-shaped solar cellpacking body including an upward arched projection, and a solar cell frame for installing the solar cell packing body and adapted to the four sides of the solar cell packing body; the solar cell packing body of a five-layer laminated structure comprises a backboard layer, a first sealant layer, a crystalline silica solar cell layer, a second sealant layer and a glass layer laminated successively;and each of the backboard layer, the first sealant layer, the crystalline silica solar cell layer, the second sealant layer and the glass layer is of the tile-shaped structure with the upward arched projection. Thus, urban and garden buildings can supply power by themselves, the building roofs are beautiful due to the structure in the classical or garden style, wiring of the solar cell module is simplified, and construction is more convenient.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a solar cell assembly and packaging process for building roofs. Background technique [0002] Solar cell modules are usually composed of high-efficiency crystalline silicon solar cells, ultra-white tempered glass, EVA, transparent TPT back sheet and solar cell frame. It has the characteristics of long service life and strong mechanical resistance to external force. [0003] Applying solar cell components to the roofs of urban buildings can achieve self-sufficiency in electricity, which is a major development direction in the future. [0004] Solar cell modules need to be packaged before they can be used. In the prior art, the packaging process of solar cell modules usually includes cell detection, cell welding (multiple cells are welded together in series with tinned copper strips (interconnection strips), as a component of the crystalline silicon solar cell layer), stackin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L31/048H02S20/25H02S30/10H02S40/34
CPCH01L31/048H02S20/25H02S30/10H02S40/34Y02A30/14Y02B10/10Y02E10/50
Inventor 刘湘武章永华
Owner 无锡和家光能有限公司
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