Composite lightning protection insulator

A technology for lightning protection insulators and inner insulating layers, applied in the direction of insulators, supporting insulators, electrical components, etc., can solve problems such as pedestrian electric shock, electrical safety hazards, and lightning strikes on distribution lines, and achieve low residual voltage and long service life.

Inactive Publication Date: 2017-05-10
STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. In summer thunderstorm season, the distribution lines are often struck by lightning, causing the disconnection of the distribution network insulation wires. The reliability of power supply is not only greatly reduced, but also a lot of manpower and material resources are wasted for emergency repairs;
[0004] 2. Emergency repairs in rainy days after disconnection reduces the safety factor of emergency repair personnel and brings serious hidden dangers to electric power safety;
[0005] 3. The broken wires in the ground are likely to cause pedestrians to get an electric shock, which will cause bad influence on the society for power companies.

Method used

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  • Composite lightning protection insulator

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] As shown in the figure, a composite lightning protection insulator includes: upper fittings 2, lower fittings 10, and a housing 6, the upper fittings 2 are connected with needle-punched wire clips 1 by bolts, the upper fittings 2, the casing 6 and the lower fittings 10 Fixedly connected in turn to form a closed chamber, in the chamber from top to bottom, there are resistors 5 and resistor rings 12 in sequence, and a discharge electrode 7 is built in the resistor ring 12, and between the upper fittings 2 and the resistors 5 in the chamber A spring 3 is provided, and a rubber shed 4 is fixed on the outer wall of the casing 6 . The housing 6 is composed of an inner insulating layer 13, an intermediate carbon fiber layer 15 and an outer insulating layer 14. A high temperature resistant ceramic tube 11, a resistor sheet 5 and The resistance ...

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Abstract

The invention relates to the field of power grid lightning protection, especially a composite lightning protection insulator. The insulator comprises an upper armor clamp, a lower armor clamp, and a housing. The upper armor clamp is connected with a needle wire clamp through a bolt, and the upper armor clamp, the housing and the lower armor clamp are sequentially connected in a fixed manner to form a closed cavity. The interior of the cavity is sequentially provided with a resistor piece and a resistor ring from the top to the bottom, and the interior of the resistor ring is provided with discharge electrodes. The discharge electrodes are axially disposed in the resistor ring in a paired manner. After the above scheme, the insulator improves the conductivity of a lightning protection porcelain insulator, and reduces the probability of lightning line breakage.

Description

technical field [0001] The invention relates to the field of electric network lightning protection, in particular to a composite lightning protection insulator. Background technique [0002] From the perspective of the actual development of the distribution network, lightning disasters are common in power grids, and lightning is very harmful to power equipment. Therefore, although lightning protection is a traditional topic, it is also a new topic with development prospects. It is of great significance to the lightning protection research of distribution network. During the daily operation of distribution lines, two problems will be encountered in the summer thunderstorm season: [0003] 1. In summer thunderstorm season, distribution lines are often struck by lightning, causing disconnection of distribution network insulation wires. The reliability of power supply is not only greatly reduced, but also a lot of manpower and material resources are wasted for emergency repairs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/14H01B17/38H01B17/46
CPCH01B17/145H01B17/38H01B17/46
Inventor 孙伟许重浩樊建惠张旭阳章启鸿魏春晖林泽科
Owner STATE GRID ZHEJIANG ELECTRIC POWER CO LTD SHAOXING POWER SUPPLY CO
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