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Novel jumper cable of installation-free jumper insulator

A technology of insulators and cables, which is applied in the field of new jumper cables, can solve the problems of jumper deflection and flashover, and achieve the effects of corrosion prevention, wide application range, and short wind deflection distance

Pending Publication Date: 2020-10-16
广州麦科凌电力装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the insulator used for the jumper is canceled, and there is another problem: the jumper will deflect under the wind force. Since the jumper is a bare twisted wire, if it is very close to the iron tower under the wind swing, air discharge will occur and cause cause flashover
[0005] Therefore, how to solve the air discharge accident when the jumper cable swings under the wind and is very close to the iron tower has become a technical problem to be solved urgently

Method used

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] Please refer to Figure 1 to Figure 2 , a new jumper cable free of jumper insulators, including a cable strand 1 and a terminal connected to both ends of the cable strand 1; it also includes an insulating jacket 3 wrapped on the cable strand 1 and the insulating jacket 3 It is a concentric closed tubular sleeve, and a shielding layer 2 is provided between the cable strand 1 and the insulating jacket 3, and the shielding layer 2 is wrapped ...

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Abstract

The invention discloses a novel jumper cable of an installation-free jumper insulator. The novel jumper cable comprises a cable stranded wire and wiring terminals connected to the two ends of the cable stranded wire. The cable further comprises an insulating outer sleeve wrapping the cable stranded wire, the insulating outer sleeve is a concentric closed tubular sleeve, a shielding layer is further arranged between the cable stranded wire and the insulating outer sleeve, and the shielding layer wraps the outer surface of the cable stranded wire. According to the invention, the accident problemof air discharge when the jumper cable swings under wind power and is very close to an iron tower can be effectively avoided.

Description

technical field [0001] The invention belongs to the field of high-voltage transmission lines, and in particular relates to a novel jumper cable free of a jumper insulator. Background technique [0002] On the tension tower and corner tower of the high-voltage transmission line, there is a jumper cable of steel-cored aluminum stranded wire for drainage on the high-voltage line, referred to as the jumper. In order to prevent the jumper from being too close to the tower when the wind deflects, a discharge short circuit occurs. Generally, there is an insulator for fixing the jumper in the middle of the jumper. For the composite insulator, a heavy hammer is also installed at the high voltage end to increase the weight of the insulator to limit the wind swing angle of the jumper. [0003] In some transmission lines, due to the good surrounding environment, there are many birds, causing bird damage to the transmission lines. There are two kinds of bird damage: one is that birds d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/02H01B7/17H01B7/28H01B9/02H01R4/70
CPCH01B7/02H01B7/17H01B7/28H01B7/2806H01B9/027H01R4/70
Inventor 朱锐斌邱士进晏坚军
Owner 广州麦科凌电力装备有限公司
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