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Photovoltaic module with electromagnetic shielding function

An electromagnetic shielding and photovoltaic module technology, applied in photovoltaic power generation, electrical components, circuits, etc., can solve problems affecting the operation of photovoltaic module equipment and human health, and achieve the effect of maintaining shielding effect, improving impedance matching, and enhancing conductivity.

Inactive Publication Date: 2019-01-01
中国水电顾问集团大姚新能源开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Solar cells must be connected in series, in parallel, and tightly packed into modules to be used as power sources. Photovoltaic modules are the core part of solar power generation systems. When solar cells work, they generate large operating currents. The inverter and power grid work in the frequency range of power frequency to hundreds of kilohertz, so static and alternating electromagnetic radiation will inevitably be generated, which will affect the operation of photovoltaic module equipment and human health

Method used

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  • Photovoltaic module with electromagnetic shielding function

Examples

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Effect test

Embodiment 1

[0031] In this embodiment, a photovoltaic module with electromagnetic shielding function includes a back plate, a lower EVA adhesive film, a solar cell, an upper EVA adhesive film, and a glass cover plate. The side of the back plate near the solar cell is coated with electromagnetic Shielding coating, the glass cover plate is infrared reflective heat-insulating glass, the electromagnetic shielding coating is obtained by coating and drying the electromagnetic shielding coating, and the preparation of the electromagnetic shielding coating includes the following steps:

[0032] S1. Preparation of Titanium Aluminum Carbide

[0033] According to the mass ratio of 5:3:20, titanium powder, aluminum powder, and titanium carbide powder were weighed and mixed, and the mixed powder was dispersed in alcohol. After ball milling for 24 hours, the sample was dried and pressed into a graphite mold. Under gas protection atmosphere, raise the temperature to 1400°C, keep the temperature for calc...

Embodiment 2

[0042] In this embodiment, a photovoltaic module with electromagnetic shielding function includes a back plate, a lower EVA adhesive film, a solar cell, an upper EVA adhesive film, and a glass cover plate. The side of the back plate near the solar cell is coated with electromagnetic Shielding coating, the glass cover plate is infrared reflective heat-insulating glass, the electromagnetic shielding coating is obtained by coating and drying the electromagnetic shielding coating, and the preparation of the electromagnetic shielding coating includes the following steps:

[0043] S1. Preparation of Titanium Aluminum Carbide

[0044] According to the mass ratio of 5:3:20, titanium powder, aluminum powder, and titanium carbide powder were weighed and mixed, and the mixed powder was dispersed in alcohol. After ball milling for 24 hours, the sample was dried and pressed into a graphite mold. Under gas protection atmosphere, raise the temperature to 1400°C, keep the temperature for calc...

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Abstract

The invention relates to a photovoltaic module with an electromagnetic shielding function. The photovoltaic module comprises a back plate, a lower EVA film, a solar cell, an upper EVA film and a glasscover plate. A side, close to the solar cell, of the back plate is coated with an electromagnetic shielding coating, and the glass cover plate is infrared reflection insulating glass. The electromagnetic shielding coating is prepared by the coating of electromagnetic shielding paint, and the photovoltaic module can effectively shield the electromagnetic radiation on the back and has high runningstability.

Description

technical field [0001] The invention relates to the field of photovoltaic technology, in particular to a photovoltaic module with electromagnetic shielding function. Background technique [0002] Solar cells must be connected in series, in parallel, and tightly packed into modules to be used as power sources. Photovoltaic modules are the core part of solar power generation systems. When solar cells work, they generate large operating currents. The inverter and power grid work in the frequency range of power frequency to hundreds of kilohertz, so static and alternating electromagnetic radiation will inevitably be generated, which will affect the operation of photovoltaic module equipment and human health. Contents of the invention [0003] The present invention aims to provide a photovoltaic module with electromagnetic shielding function to solve the above-mentioned problems. [0004] An embodiment of the present invention provides a photovoltaic module with electromagneti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L31/048H01L31/049C09D163/00C09D7/62
CPCC08K2003/2296C09D7/62C09D163/00H01L31/048H01L31/049C08K9/02C08K3/14C08K3/22Y02E10/50
Inventor 甘坚梅
Owner 中国水电顾问集团大姚新能源开发有限公司
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