Solid insulating pole

A technology of solid insulating poles and insulating layers, applied in high-voltage air circuit breakers, electrical components, electrical switches, etc., can solve the problems of solid insulating switches prone to internal flashing, poor environmental adaptability, serious partial discharge, etc. Improve product safety, improve insulation capacity, improve the effect of electric field strength

Active Publication Date: 2013-01-16
GUANGXI YINHE DECOM ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The problem to be solved by the present invention is to provide a solid insulated pole that can solve the problems of internal flashover, poor environmenta

Method used

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with accompanying drawing:

[0014] figure 1 , figure 2 Shown is the solid insulated pole of the present invention, which includes a casing coated with a grounding layer 1 covered by an insulating layer 2, and a load switch chamber and an isolating switch chamber are arranged in the casing, and the load switch chamber includes a vacuum extinguisher. Arc chamber 5, copper parts 7 in the bushing on the incoming line side, and bushing on the incoming line side 9; the isolating switch chamber includes a static contact 20 of the isolating switch, a static contact insert 15, a moving knife 22 of the isolating switch, and a bushing 10 on the outgoing line side , Copper parts 13 etc. in the bushing on the outlet side. The specific installation is as follows: the shielding cover 3 is connected to the lap joint surface of the moving end of the vacuum interrupter 5, and the shielding cover 3 is electrically co...

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Abstract

The invention discloses a solid insulating pole, comprising a housing formed by an insulating layer and a ground layer externally coated the outer side of the insulating layer, a load switch chamber, an isolating switch chamber, a vacuum arc-extinguishing chamber, a copper part in a wire-incoming side casing, the wire-incoming side casing, an isolating switch static contact, an isolating switch moving cutter, a wire-outgoing side casing and the like. A faying surface of a moving end of the vacuum arc-extinguishing chamber is connected with a shielding cover, the shielding cover is in conducting connection with the moving end of the vacuum arc-extinguishing chamber by a conducting element, the shielding cover and a copper part in the wire-outgoing side casing are arranged in the insulating layer, and the copper part in the wire-outgoing side casing is electrically connected with a shielding ring; the connecting hole end face of the isolating switch static contact is provided with a flange, is in contact with a connecting hole end face of a static contact insert arranged on the housing by the flange and is fixed on the static contact insert by a bolt; and the outside of the wire-incoming side casing is provided with a waterproof indent skirt edge. Compared with the prior art, the solid insulating pole has the advantages that the structure is compact, the electric field in the pole is uniformly distributed, the local discharge valve is small, the discharge phenomena of an electrified body in the pole on the insulating layer can be obviously reduced, and the insulating performance of the pole can be increased.

Description

technical field [0001] The invention relates to the technical field of power transmission and distribution switchgear manufacturing, in particular to a solid-seal type, the surface of the insulating layer is coated with a grounding layer, and it is used for a solid insulating pole of a solid insulating ring network cabinet. Background technique [0002] The solid insulated ring network cabinet is currently a hot spot in the development of ring network cabinets. As the key equipment for urban network transformation and user power distribution equipment control, the quality of the ring network cabinet is directly related to the safety and reliability of the power transmission system, because SF6 gas has Superior arc extinguishing effect, the use of ring network cabinets insulated by SF6 gas is very common at present, but because SF6 gas is an unenvironmentally friendly gas, its damage to the atmospheric ozone layer is equivalent to 23900 times that of CO2. Aggravate the green...

Claims

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Application Information

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IPC IPC(8): H01H33/66
Inventor 刘桂华李水胜董淑春侯峰周振业
Owner GUANGXI YINHE DECOM ELECTRIC
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