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Solar module

A technology of solar modules and front panels, applied in the field of solar modules, can solve problems such as inability to meet the double-sided power generation of photovoltaic modules, high production costs, and reduced load-bearing capacity of modules

Pending Publication Date: 2021-07-09
RISEN ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the use of thinner tempered glass can achieve the purpose of reducing the weight of components, but the production cost of thinner tempered glass is higher, and after the thickness of the overall component is reduced, the load-bearing capacity of the component will also decline.
In order to increase the overall strength of photovoltaic modules, some modules use higher strength resin boards as back sheets, but these back sheets are usually white, which cannot meet the needs of double-sided power generation of photovoltaic modules

Method used

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Examples

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no. 1 example

[0043] Please see figure 2 , a solar module 100 provided in this embodiment, which includes a glass front plate 110, a front encapsulant film 120, a battery sheet 130, a back encapsulant film 140, and a PC back plate 160, which are sequentially stacked from top to bottom. The plate 160 is provided with a reflective layer 150 on a non-battery sheet-covered area on the lamination surface adjacent to the battery sheet 130 .

[0044] It should be noted that the “non-covered area of ​​the battery sheet” in the embodiment of the present application refers to the area that does not completely cover the battery sheet 130 , and usually refers to the area corresponding to the gap between the battery sheets 130 and the edge of the battery sheet 130 . Correspondingly, the reflective layer 150 has a hollowed-out area, and the hollowed-out area is located directly under the battery sheet 130; the reflective layer 150 and the PC backplane 160 are integrally formed by printing or spraying. ...

no. 2 example

[0057] Please see image 3 , a solar module 200 provided in this embodiment, which includes a hardened layer 210, a PC front plate 220, a front encapsulant film 230, a battery sheet 240, a back encapsulant film 250 and a transparent back plate that are stacked sequentially from top to bottom 260. Using the PC front plate 220 to replace the conventional glass front plate 110 can reduce the overall weight of the component, improve the efficiency of production, transportation and installation, and also reduce the cost. Moreover, the solar module 200 of this embodiment not only meets the requirements of the double-sided power generation module, but also has better water vapor barrier properties and higher strength.

[0058] In the embodiment of the present application, the hardening layer 210 is a silicone glass resin layer, and the thickness of the hardening layer 210 is generally 0.1mm-1mm. In this embodiment, the hardened layer 210 is a 0.3 mm thick organic silicon glass resi...

no. 3 example

[0071] Please see Figure 4 , the present embodiment provides a solar module 300, the structure of which is substantially the same as that of the first embodiment, including a glass front plate 110, a front encapsulant film 120, a battery sheet 130, and a back encapsulant that are stacked sequentially from top to bottom. film 140 , reflective layer 150 and PC backplane 160 . The difference is that: the glass front plate 110 of this embodiment is coated with an anti-reflection layer 310, and the anti-reflection layer 310 can adopt a single-layer coating or a double-layer coating, that is, at least one of the upper and lower laminated surfaces of the glass front plate 110 is provided with There is an anti-reflection layer 310 . Specifically, this embodiment adopts double-layer coating, and the upper laminated surface and the lower laminated surface of the glass front plate 110 are respectively coated with an anti-reflection layer 310, that is, the solar module 300 includes an a...

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Abstract

The embodiment of the invention provides a solar module, and relates to the field of solar modules. The solar module comprises a glass front plate, a front packaging adhesive film, a battery piece, a back packaging adhesive film and a PC back plate which are sequentially stacked from top to bottom, and a reflecting layer is arranged on the stacking surface, close to the battery piece, of the PC back plate and is not covered by the battery piece. The solar module comprises a PC front plate, a front packaging adhesive film, a battery piece, a back packaging adhesive film and a transparent back plate which are sequentially stacked from top to bottom, and a hardened layer is arranged on the stacking face, away from the battery piece, of the PC front plate. The solar module provided by the embodiment of the invention is light in overall weight and high in strength, meets the load resistance requirement of the module, and can also realize double-sided power generation.

Description

technical field [0001] The present application relates to the field of solar modules, in particular, to a solar module. Background technique [0002] Existing photovoltaic modules are generally double-glass modules or single-glass modules. The front and back of double-glass modules mostly use glass plates with a thickness of 2.0mm-2.5mm. The weight of glass plates in the modules accounts for more than 75%, and the overall weight is heavy; Single-glass modules usually use glass plates on the front. In order to ensure the overall strength of the module, the thickness of the front glass plate is mostly 3.2mm-4.0mm. The weight of this type of module is more than 70%, and the overall weight is still heavy. This kind of photovoltaic module with heavy overall weight is not only not conducive to handling during production and installation, but also has high requirements on the load capacity and wind resistance of the installation bracket. [0003] In order to reduce the overall wei...

Claims

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Application Information

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IPC IPC(8): H01L31/048H01L31/049H01L31/054
CPCH01L31/0481H01L31/049H01L31/0547Y02E10/52
Inventor 刘宝信袁志林刘亚锋
Owner RISEN ENERGY
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