Hanging lightning protection wire clamp

A lightning protection wire, suspension technology, applied in the direction of varistor, overvoltage protection resistor, connecting contact material, etc., can solve the problems of ablation damage, power failure, large resistance, etc., to ensure the effect of normal operation

Inactive Publication Date: 2014-04-09
天虹电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The parallel trench clamp has a wide range of applications, but because the parallel trench clamp is used to connect two cables, compared with other parts of the cable, the resistance at this place is relatively large. When a lightning strike occurs, this place is extremely easy to be ablated by lightning damage, causing power failure

Method used

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  • Hanging lightning protection wire clamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1）

[0022] This embodiment is a suspension type lightning protection clamp, see Figure 1 to Figure 6 As shown, it includes a parallel trench clamp 1 and a lightning protection module 5 electrically connected to the parallel trench clamp; the parallel trench clamp includes an upper half clamp 2, a lower half clamp 3, a bolt fastening assembly 4, and an upper insulating seat 7 , the lower insulating seat 8 and the nameplate 9; the upper half clip covers are closed on the lower half clip to form two clamping holes; The bolt fastening assembly is adapted to a corresponding fastening hole; the lightning protection module is detachably arranged on the lower half clip of the parallel hook clip.

[0023] The lightning protection device includes an insulating shell 51, a zinc oxide varistor 52 arranged in the insulating shell, an upper electric stud 53 electrically connected to the upper end of the zinc oxide varistor, and an electric stud 53 electrically connected to the lower end of the...

Embodiment 2）

[0027] This embodiment is basically the same as Embodiment 1, except that the lightning protection device also includes a disconnector, the power inlet end 61 of the disconnector is electrically connected to the lower connecting stud, and the power outlet of the disconnector terminal as the ground terminal. Since the structure and function of the disconnector are all known technologies, this embodiment will not describe its structure in detail.

Embodiment 3）

[0029] This embodiment is basically the same as Embodiment 1, except that this embodiment includes a suspended lightning protection clamp discharge counter electrically connected to the lower electrical stud 54 .

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Abstract

The invention discloses a hanging lightning protection wire clamp. The hanging lightning protection wire clamp comprises a parallel groove clamp and a lightning protection module electrically connected with the parallel groove clamp; the parallel groove clamp comprises upper half clamps, lower half clamps and bolt fastening assemblies; the lower half clamps are covered with the upper half clamps respectively to form two clamp apertures; the parallel groove clamp also comprises two fastening apertures penetrating through the upper half clamps and the lower half clamps, and each bolt fastening assembly is adapted to a corresponding fastening aperture; and the lightning protection module is detachably arranged on the lower half clamps of the parallel groove clamp. The hanging lightning protection wire clamp is arranged on the parallel groove clamp, and the lower electrical connection stud of the hanging lightning protection wire clamp is grounded, so the impact current generated by lightening is effectively introduced to a ground wire during lightening in order to prevent the damage of the cable and hardware fittings at the impact position, thereby the normal running of a power circuit is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of electric power fittings, and in particular relates to a suspension lightning protection clamp. Background technique [0002] Suspended lightning protection clamp is a device to protect electrical equipment and lines from lightning damage. When the lightning shock wave is introduced along the line, the suspended lightning protection clamp first discharges, generating a power frequency short-circuit current, and uses the grounding device to safely introduce the discharge current into the ground, thereby protecting electrical equipment and lines. [0003] Suspended lightning protection clamps can be divided into three types according to their development sequence: protection gap, which is the simplest form of suspension lightning protection clamp; tubular suspension lightning protection clamp, which is also a protection gap, but it can Self-extinguishing arc; the valve-type suspended lightning protection cl...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H01C7/12H01R4/66
Inventor郑海忠郑军
Owner天虹电气有限公司