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Novel trapezoidal bipolar arc extinguishing insulator

An insulator and trapezoidal technology, applied in the field of new trapezoidal double-pole arc-extinguishing insulators, can solve problems such as damage to line use and operating life

Pending Publication Date: 2020-10-27
王巨丰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insulators should not fail due to various electromechanical stresses caused by changes in environmental and electrical load conditions, otherwise the insulator will not have a significant effect and will damage the service and operating life of the entire line

Method used

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  • Novel trapezoidal bipolar arc extinguishing insulator
  • Novel trapezoidal bipolar arc extinguishing insulator
  • Novel trapezoidal bipolar arc extinguishing insulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] As shown in the figure, a new trapezoidal bipolar arc-extinguishing insulator is mainly composed of an insulator body 1, an upper electrode 2 and a lower electrode 3; the upper and lower ends of the insulator body 1 are provided with openings, the interior is hollow, and the The main body 1 is longitudinally provided with several insulating partitions 4 to form several independent recoil perfusion arc extinguishing chambers 5 inside the insulator main body 1; a recoil device 6 is provided in each recoil perfusion arc extinguishing chamber 5, and recoil The device 6 presents a stepped spiral arrangement inside the insulator main body 1, and the direction of the recoil opening of two adjacent recoil devices 6 is opposite; on the insulating partition 4 between two adjacent recoil devices 6, there is a The wall electrode 7, and the top of the recoil device below is connected to one side of the wall electrode 7, and the bottom of the recoil device above is connected to the ot...

Embodiment 2

[0052] The difference between this embodiment and Embodiment 1 is that: the outer surface of the insulator main body 1 is provided with several skirts 8 .

Embodiment 3

[0054] The difference between this embodiment and Embodiment 1 is that the wall electrodes 7 are compressed arc extinguishing tubes.

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Abstract

The invention discloses a novel trapezoidal bipolar arc extinguishing insulator, which is mainly composed of an insulator main body, an upper electrode and a lower electrode, wherein the insulator main body is hollow and is provided with a plurality of insulating partition plates so as to form a plurality of independent backflushing perfusion arc extinguishing cavities in the insulator main body,a backflushing device is arranged in each backflushing perfusion arc extinguishing cavity, the backflushing devices are spirally arranged in the insulator main body in a stepped manner, the backflushing openings of every two adjacent backflushing devices are opposite in direction, a wall electrode is arranged on the insulating partition plate between every two adjacent backflushing devices, the top of the lower backflushing device is connected with one face of the wall electrode, and the bottom of the upper backflushing device is connected with the other face of the wall electrode. According to the invention, the problem of flashover of the lightning protection device is effectively prevented, the lightning trip-out rate of power equipment is reduced, power facilities are protected, the reliability of a power grid is improved, and power safety production is facilitated.

Description

technical field [0001] The invention belongs to insulators used for power transmission and distribution overhead lines, and relates to a novel trapezoidal double-pole arc-extinguishing insulator. Background technique [0002] Insulators are special insulation controls that can play an important role in overhead transmission lines. Insulators were mostly used on utility poles in the early years, and gradually developed into high-voltage wire connection towers where many disc-shaped insulators were hung at one end. It was used to increase the creepage distance and was usually made of glass or ceramics. Insulators should not fail due to various electromechanical stresses caused by changes in the environment and electrical load conditions, otherwise the insulator will not play a significant role and will impair the service and operating life of the entire line. [0003] The main function of the insulator is to achieve electrical insulation and mechanical fixation, for which var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B17/46
CPCH01B17/46
Inventor 王巨丰王嬿蕾卢幸骆耀敬韩力
Owner 王巨丰
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