JPS60140345U

JPS60140345U - switch

Info

Publication number: JPS60140345U
Application number: JP2836084U
Authority: JP
Inventors: 谷辺　俊幸; 洋藤井; 高塚　卓雄; 久常　文之; 清美山本
Original assignee: 三菱電機株式会社
Priority date: 1984-02-27
Filing date: 1984-02-27
Publication date: 1985-09-17

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図ないし第３図は従来の回路しゃ断器のそれぞれ異
なった状態を示す正面断面図、第４図ａはこの考案の実
施例である回路しゃ断器の接点閉状態における要部の平
面図、第４図すは同正面断面図、第５図ａは同実施例の
接点開離直後の状態における要部の平面図、第５図すは
同正面断面図である。４・・・固定接点、６・・・可動接点、９・・・消弧室
、２７・−・形状記憶合金。なお、図中、同一符号は同
一または相当部分を示す。１６２１１９　　　７　　　　　　　　　　　３１）　　　
　之　　　′1 to 3 are front sectional views showing different states of a conventional circuit breaker, and FIG. 4a is a plan view of the main parts of a circuit breaker according to an embodiment of this invention in a contact closed state. FIG. 4 is a front sectional view of the same, FIG. 5a is a plan view of essential parts of the same embodiment immediately after the contacts are opened, and FIG. 5 is a front sectional view of the same. 4... Fixed contact, 6... Movable contact, 9... Arc extinguishing chamber, 27... Shape memory alloy. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. 16 2119 7 31)
This ′

Claims

[Scope of utility model registration request]

A switch having a fixed contact, a movable contact that connects and separates from the fixed contact, and an arc extinguishing chamber for extinguishing the arc generated between the two contacts when the fixed and movable contacts open and close! where the arc extinguishing chamber can be moved in the direction of the contact, and
A switch comprising a shape memory alloy that is deformed by the heat of the arc when the arc occurs and moves the arc extinguishing chamber toward the contact point.