JPS58173142U

JPS58173142U - DC circuit breaker

Info

Publication number: JPS58173142U
Application number: JP6946282U
Authority: JP
Inventors: 久近藤; 山崎　昭三
Original assignee: 株式会社日立製作所
Priority date: 1982-05-14
Filing date: 1982-05-14
Publication date: 1983-11-19

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のしゃ断器の正面図、第２図は第１図の■
部器面図、第３図は本考案のしゃ断器の一実施例の正面
図、第４図は第３図の■部所面図である。１・・・従来形下アークホーン、２・・・従来形ガス抜
穴、３・・・可動部、４・・・絶縁継手、５．６・・・
可動側接触子、７．８・・・固定側接触子、９・・・電
磁弁、１０・・・空気シリンダー、１１・・・本考案に
よる下アークホーン、１２・・・本考案によるガス抜穴
、１３・・・アーク流し、１４・・・下アーク流し、１
５・・・吹消用電磁線輪、１６・・・上アークホーン。Figure 1 is a front view of a conventional breaker, and Figure 2 is the same as in Figure 1.
FIG. 3 is a front view of an embodiment of the circuit breaker of the present invention, and FIG. 4 is a plan view of the part (■) in FIG. 3. 1... Conventional type lower arc horn, 2... Conventional type gas vent hole, 3... Moving part, 4... Insulating joint, 5.6...
Movable side contact, 7.8... Fixed side contact, 9... Solenoid valve, 10... Air cylinder, 11... Lower arc horn according to the present invention, 12... Gas vent according to the present invention Hole, 13... Arc flow, 14... Lower arc flow, 1
5... Electromagnetic wire ring for blowing out, 16... Upper arc horn.

Claims

[Scope of utility model registration request]

The arc generated when the contact is opened is driven by the magnetic flux of the extinguishing electromagnetic wire ring and moved to the arc horn, where the arc is stretched and extinguished. A DC circuit breaker characterized by having a hole.