JPS60130544U

JPS60130544U - circuit breaker

Info

Publication number: JPS60130544U
Application number: JP1802984U
Authority: JP
Inventors: 中野　邦光; 弘之大西
Original assignee: 松下電工株式会社
Priority date: 1984-02-10
Filing date: 1984-02-10
Publication date: 1985-09-02

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図は従来の一般的な回路遮断器の内部構成を示す正
面図、第２図は本考案の一実施例に係る回路遮断器の内
部構成を示す正面図、第３図は同上の回路遮断器の構成
部品を示す斜視図、第４図は同上の回路遮断器の断面図
、第５図乃至第７図は、それぞれ同上の回路遮断器の接
点閉成時、過電流遮断動作時、および短絡電流遮断動作
時の断面図、第８図乃至第１０図は、それぞれ第２図の
Ａ−Ａ線、Ｂ−Ｂ線、Ｃ−Ｃ線に沿って切断した　゛断
面図、第１１図および第１２図は、それぞれ同　上の回
路遮断器の平面図および側面図である。２０はフレーム、３５はアークホーン、３６はハンドル
、５９は可動接触子、６３は可動接点、ｑ４は固定接触
子、６５は固定接点、６６は補助ヨーク、６７はアーク
走行板、９１は消弧装置、９３はグリッド板、Ｔは接点
引き外し機構である。Fig. 1 is a front view showing the internal structure of a conventional general circuit breaker, Fig. 2 is a front view showing the internal structure of a circuit breaker according to an embodiment of the present invention, and Fig. 3 is the same circuit breaker as above. FIG. 4 is a sectional view of the same circuit breaker as above, and FIGS. 5 to 7 are respectively a perspective view showing the components of the circuit breaker, and FIGS. 8 to 10 are cross-sectional views taken along lines A-A, B-B, and C-C in FIG. 2, respectively. and FIG. 12 are a plan view and a side view of the above circuit breaker, respectively. 20 is a frame, 35 is an arc horn, 36 is a handle, 59 is a movable contact, 63 is a movable contact, q4 is a fixed contact, 65 is a fixed contact, 66 is an auxiliary yoke, 67 is an arc traveling plate, 91 is an arc extinguisher In the device, 93 is a grid plate, and T is a contact tripping mechanism.

Claims

[Scope of utility model registration request]

A movable contact that opens and closes by rotating the handle,
A fixed contact having a fixed contact that comes into contact with and separates from the movable contact of the movable contact, and when there is an abnormality in power supply from the power supply to the load, the movable contact is separated from the fixed contact and the movable contact and the fixed contact are brought into contact. A contact removal mechanism that releases the state,
An arc extinguishing device has a plurality of arc extinguishing grid plates held approximately parallel at appropriate intervals to extinguish arcs generated when a movable contact and a fixed contact are separated, and a fixed contact. an arc traveling plate extending from the child toward the arc extinguishing device; a frame supporting the movable contact and electrically connected to the movable contact; and an arc traveling plate extending integrally from the frame toward the arc extinguishing device; In a circuit breaker in which a grid plate located at the opposite end of the grid plate from the arc running plate is provided with an arc horn facing the grid plate at an appropriate interval, the arc running plate is connected to the fixed contact of the fixed contact. The circuit breaker is arranged on a straight line extension of the surface on which the arc extinguishing device is installed, and each arc extinguishing grid plate and arc horn of the arc extinguishing device are arranged parallel to the arc running plate.