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Lightning-proof composite insulator

A composite insulator and cross-arm technology, which is applied in the direction of insulators, electrical components, circuits, etc., can solve problems such as unreasonable structure settings, poor protection, and short-circuit of lightning arresters, and achieve the effects of reasonable design, reduced accidents, and safe and reliable use

Inactive Publication Date: 2011-06-08
滁州天成有机硅高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

like figure 1 As shown, the lightning protection arrester in the prior art is mainly composed of the cross-arm composite insulator 21 and the steel foot 20 connected by the clamping fittings 22 and the clamping fittings 22. After the fittings are connected, the current will be transmitted to the cross-arm composite insulator, making it easy to damage and need to be replaced frequently, and the umbrella skirt on the cross-arm composite insulator is set relatively small, and the protection effect is relatively poor, especially in winter. Ice will form on the skirt, and the ice will be connected to the main body, which will cause a short circuit in the arrester

Method used

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Embodiment Construction

[0012] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0013] Such as figure 2 As shown, a lightning protection composite insulator includes a cross-arm composite insulator 5, the upper part of the cross-arm composite insulator 5 is connected with clamping fittings, the bottom of the cross-arm composite insulator 5 is connected with a steel foot 6, and the clamping fittings include a clamping seat 4 and the compression block 2, the clamping seat 4 and the compression block 2 are connected by two compression nuts 1 and bolts 3, the compression nut 1 is provided with a backup nut 11, the clamping seat 4 and the compression block 2 There is a wire hole 9 between them, an insulating arc striker 8 is connected to one side of the clamp seat 4, and an arc suppression head 7 is provided on one side of the ...

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Abstract

The invention provides a lightning-proof composite insulator, relating to an electric protection device. The composite insulator comprises a crossarm, wherein a wire clamping fitting is connected with the upper part of the crossarm; a steel base is connected with the bottom of the crossarm; the wire clamping fitting comprises a wire clamping base and a compression block; the wire clamping base and the compression block are connected by two compression nuts and bolts; standby compression nuts are arranged on the compression nuts; and a conductor hole is arranged between the wire clamping base and the compression block. The composite insulator is characterized in that an insulating starting rod is connected to one side of the wire clamping base; and an arc-suppression head is arranged at one side of the steel base. The composite insulator has a simple and reasonable structure, and is safe and reliable to use. Compared with the prior art, the composite insulator has the following advantages: by arranging the insulating starting rod and the arc-suppression head, the damage to the crossarm composite insulator can be reduced because electric current can be led to the arc-suppression head through the insulating starting rod; and the skirt in the invention has a larger design diameter, thus having good protection effect and reducing accidents.

Description

technical field [0001] The invention relates to a power protection device, in particular to a lightning protection composite insulator. Background technique [0002] Surge arrester is a kind of protection device for electric equipment, which has been widely used. Such as figure 1 As shown, the lightning protection arrester in the prior art is mainly composed of the cross-arm composite insulator 21 and the steel foot 20 connected by the clamping fittings 22 and the clamping fittings 22. After the fittings are connected, the current will be transmitted to the cross-arm composite insulator, making it easy to damage and need to be replaced frequently, and the umbrella skirt on the cross-arm composite insulator is set relatively small, and the protection effect is relatively poor, especially in winter. Ice will form on the skirt, and the ice will be connected to the main body, which will cause a short circuit in the arrester. Contents of the invention [0003] The technical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/46
Inventor 张青
Owner 滁州天成有机硅高分子材料有限公司
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