JPS5823148U

JPS5823148U - circuit break

Info

Publication number: JPS5823148U
Application number: JP11758681U
Authority: JP
Inventors: 久常　文之; 伸示山県; 寺地　淳一; 一吉安
Original assignee: 三菱電機株式会社
Priority date: 1981-08-06
Filing date: 1981-08-06
Publication date: 1983-02-14

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図Ａは従来の回路しゃ断器の一例を一部断面にて示
す平面図、第１図Ｂは第１図ＡにおけるＢ−Ｂ線に沿っ
た断面図、第２図Ａは従来の接点間のアークの挙動を示
す側面図、第２図Ｂは第２図ＡにおけるＨ−Ｈ矢印親図
、第３図Ａはこの考案を適用した回路しゃ断器の一実施
例を一部断面。にて示す平面図、第３図Ｂは第３図ＡにおけるＢ−Ｂ線
に沿った断面図、第４図Ａはこの考案の一実施例に係る
接点間のアークの挙動を示す側面図、第４図Ｂは導体と
消弧板の関連を示す説明図、第５図Ａはこの考案の他の
実施例に係る接触子を示す側面図、第５図Ｂは同正面図
、第５図Ｃは同下面図、第６図Ａはこの考案のさらに他
の実施例の接触子を示す側面図、第６図Ｂは第６図Ａに
おけるＨ−Ｈ矢印親図、第６図Ｃは変形例の説明図、第
７図Ａはさらに他の実施例の接触子を示す側面図、第７
図Ｂは第７図ＡにおけるＨ−Ｈ矢印親図である。２・・・固定接触子、３・・・固定接点、４・・・可動
接触子、５・・・可動接点、１０・・・圧力反射体、１
１・・・突出部、Ｗｌ・・・接点の幅、Ｗ２・・・突出
部の幅。なお、図中同一符号は同一または相当部分を示
す。Figure 1A is a partially sectional plan view of an example of a conventional circuit breaker, Figure 1B is a sectional view taken along line B-B in Figure 1A, and Figure 2A is a conventional contact. FIG. 2B is a side view showing the behavior of the arc between FIG. 2A and FIG. 3B is a cross-sectional view taken along the line B-B in FIG. 3A, and FIG. 4A is a side view showing the behavior of the arc between the contacts according to an embodiment of this invention. FIG. 4B is an explanatory diagram showing the relationship between the conductor and the arc-extinguishing plate, FIG. 5A is a side view showing a contactor according to another embodiment of this invention, FIG. 5B is a front view of the same, and FIG. C is a bottom view of the same, FIG. 6A is a side view showing a contactor according to another embodiment of this invention, FIG. 6B is a main view of the H-H arrow in FIG. 6A, and FIG. 6C is a modification. An explanatory diagram of the example, FIG. 7A is a side view showing a contactor of still another embodiment, FIG.
Figure B is a diagram showing the HH arrow in Figure 7A. 2... Fixed contact, 3... Fixed contact, 4... Movable contact, 5... Movable contact, 10... Pressure reflector, 1
1... Protrusion, Wl... Width of contact, W2... Width of protrusion. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

(1) 1 having a conductor and a contact fixed to the conductor
A circuit breaker in which at least one of a pair of contacts is provided with a protrusion integrally formed with the conductor and protruding from the tip of the conductor, and the width of the protrusion is set to be smaller than the width of the contact.

(2) The circuit according to claim 1, wherein a pressure reflector is provided on the surface of the conductor other than the electrical contact surface between the protrusion and the contact, which is made of a high-resistance material having a higher resistivity than the conductor. Breaker.