Novel photovoltaic assembly structure

A photovoltaic module, a new type of technology, applied in the direction of photovoltaic power generation, electrical components, semiconductor devices, etc., can solve the problems of thick anodic oxidation layer, increase the cost of the backplane, and cannot be promoted and applied in the market, so as to achieve good heat dissipation effect and improve Effects of dielectric strength and excellent ultraviolet absorption

Inactive Publication Date: 2013-10-16
合肥微纳电工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the anodized layer can play an insulating role, it requires a relatively thick anodized layer, which doubles the cost of the backplane and cannot be promoted and applied in the market

Method used

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  • Novel photovoltaic assembly structure
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  • Novel photovoltaic assembly structure

Examples

Experimental program
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Effect test

Embodiment 1

[0016] Such as figure 1 , figure 2 As shown, the photovoltaic module structure of the architectural photovoltaic component of the present invention includes a surface glass 1, a solar cell 3 and a back plate 6 from top to bottom, the surface glass 1 and the solar cell 3 are connected by a PVB film 2, and the back plate 6. The material is a metal plate. An insulating film layer 5 is provided between the solar cell 3 and the back plate 6. The solar cell 3 and the insulating film layer 5 are connected through the EVA film 4. The insulating film layer 5 and the back plate 6 are connected through the EVA film. 4 are connected, and the insulating film layer 5 is a PET film. The photovoltaic module structure of the present invention adopts the EVA film with high bonding strength to sandwich the insulating film to strengthen the electrical insulation strength of the photovoltaic module, which can meet the insulation requirements of various types of backplane materials and solar cell...

Embodiment 2

[0018] Such as image 3 As shown, the photovoltaic module structure of the architectural photovoltaic component of the present invention includes a surface glass 1, a solar cell 3 and a back plate 6' from top to bottom, and the surface glass 1 and the solar cell 3 are connected by a PVB film 2, and the back The material of the board 6' is polyimide, polycarbonate, polyvinyl fluoride, polyethylene terephthalate or polypropylene film with good insulation performance, and the solar cell sheet 3 and the back board 6' pass through EVA film 4 is connected. Composite materials have excellent ultraviolet absorption due to PVB, which can effectively protect materials such as EVA. The photovoltaic module of the building photovoltaic component of the present invention has excellent insulation performance, good heat dissipation effect and low manufacturing cost, which improves the structural strength of the photovoltaic module, and also solves the problems of difficult bonding of related...

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Abstract

The invention discloses a photovoltaic assembly structure of a photovoltaic building part. The structure successively comprises a glass layer, a solar cell and a backboard from top to bottom. A backboard material is a metal sheet, glass or composite sheet material. An insulation film layer is arranged between the solar cell and the backboard. The solar cell and the insulation film layer are connected through an EVA rubber sheet. The insulation film layer and the backboard are connected through the EVA rubber sheet or an adhesion agent. The insulation film layer is a polyimide, polyethylene glycol terephthalate and polypropylene film or an organic silicon film. By using the photovoltaic assembly structure of the photovoltaic building part of the invention, an insulating property is good, a heat dissipation effect is good and production manufacturing cost is low; structure intensity of the photovoltaic assembly is increased; simultaneously, problems that bonding of the related materials is difficult, the EVA is easy to age and weather-proof performance is poor are solved; the photovoltaic assembly structure and other materials can be combined and form the photovoltaic building part and other products.

Description

technical field [0001] The invention relates to a photovoltaic component structure in a building photovoltaic component. Background technique [0002] Solar cells use the photovoltaic effect to convert solar energy into electricity, but a single cell cannot be used as a power source alone. After several solar cells are connected in series, they are electrically connected and structurally packaged to form a photovoltaic module. The photovoltaic module is the smallest and indivisible power generation device in photovoltaic power generation. After years of technology development and market inspection, the packaging process and technology of photovoltaic modules have become very mature, and the backplane mainly uses polymer materials such as TPT. However, the thermal conductivity of the TPT backsheet is low and it can spontaneously ignite. When the solar cells generate heat due to hot spots, they cannot conduct the heat out in time, and there is a fire hazard. In practical appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048
CPCY02B10/10Y02E10/50
Inventor 余晓东张光琴程金雨程宏波戴新荣彭建和
Owner 合肥微纳电工有限公司
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