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High-temperature-resistant photovoltaic cable and construction method

A technology for photovoltaic cables and high temperature resistance, which is applied in the direction of insulated cables, cable/conductor manufacturing, cables, etc., which can solve the problems of short service life, poor high temperature resistance of photovoltaic cables, aging cracking and failure, etc. The effect of ultraviolet radiation and the effect of preventing excessive temperature

Pending Publication Date: 2018-06-01
国网黑龙江省电力有限公司大兴安岭供电公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problems of poor high temperature resistance of existing photovoltaic cables, aging cracking and failure due to long-term exposure to sunlight, and short service life, and provide a photovoltaic cable that can effectively prevent the influence of ultraviolet radiation from the sun, has good high temperature resistance, and is easy to use. High temperature resistant photovoltaic cable with long service life and construction method

Method used

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  • High-temperature-resistant photovoltaic cable and construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A high-temperature-resistant photovoltaic cable, which consists of: a conductor 1 and an insulating outer layer 3 arranged outside the conductor, and a temperature-insulating filler 2 is filled between the conductor and the insulating outer layer, and the temperature-insulating filler Made of nano-ceramic hollow microspheres, it has super-strong temperature insulation performance. The upper part of the insulating outer layer is respectively connected to a group of semicircular sunshade baffles 4 through springs 7, and the two adjacent sunshade baffles The space is connected by plastic cloth 6, and the sunshade baffle is provided with a layer of temperature-insulating inner pad 5, which is made of plastic foam material and has good temperature-insulating performance. Bonded to the sun visor.

Embodiment 2

[0023] According to the high-temperature-resistant photovoltaic cable described in Embodiment 1, the inner diameter of the sunshade plate is greater than three times the outer diameter of the insulating outer layer.

Embodiment 3

[0025] According to the high temperature resistant photovoltaic cable described in embodiment 1 or 2, the width of the plastic cloth is less than 2 cm.

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Abstract

The invention discloses a high-temperature-resistant photovoltaic cable and a construction method. The existing photovoltaic cable has relatively traditional design, poor high temperature resistance,season cracking failure after sunlight irradiation for a long time and short service life. The high-temperature-resistant photovoltaic cable comprises a conductor (1) and an insulating outer layer (3)arranged on the outer side of the conductor, wherein a thermal insulation filler (2) is filled between the conductor and the insulating outer layer; the upper part of the insulating outer layer is respectively connected to a group of semicircular sunshade baffles (4) through springs (7); the two adjacent sunshade baffles are connected through plastic cloth (6); and the concave surface of each sunshade baffle is provided with a layer of thermal insulation inner pad (5). The invention is used for the high-temperature-resistant photovoltaic cable and the construction method.

Description

Technical field: [0001] The invention relates to the field of communication equipment, in particular to a high-temperature-resistant photovoltaic cable and a construction method. Background technique: [0002] Photovoltaic cables are cables used in the low-voltage DC transmission part of solar photovoltaic power generation systems. Photovoltaic cables are often exposed to sunlight, and solar photovoltaic systems are often used in high-temperature environments, such as high temperature and ultraviolet radiation, which lead to premature aging and failure of the outer insulation layer of photovoltaic cables. Poor high temperature performance, long-term exposure to sunlight will lead to aging, cracking and failure, and the service life is not long. Invention content: [0003] The purpose of the present invention is to solve the problems of poor high temperature resistance of existing photovoltaic cables, aging cracking and failure due to long-term exposure to sunlight, and sh...

Claims

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Application Information

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IPC IPC(8): H01B7/18H01B7/02H01B7/295H01B13/22
CPCH01B7/0258H01B7/18H01B7/1895H01B7/295H01B13/22
Inventor 魏悦吴迪吴兆成王学军杨兆华刘晓磊李亚妮谢本亮张涛
Owner 国网黑龙江省电力有限公司大兴安岭供电公司
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