JPS5864020U

JPS5864020U - Shion breaker closing control circuit

Info

Publication number: JPS5864020U
Application number: JP15835481U
Authority: JP
Inventors: 文夫牧山
Original assignee: 株式会社日立製作所
Priority date: 1981-10-26
Filing date: 1981-10-26
Publication date: 1983-04-30

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のしゃ断器投入制御回路図１、第２図は本
考案のしゃ断器の投入回路の一実施例を示す回路図、第
３図は第２図における継電器５２Ｙの一実施例を示す構
成図、第４図および第５図は第３図の継電器の動作を示
す断面図である。１・・・コイル、２・・・固定鉄心、３・・・可動鉄心
、４・・・ヨーク、５・・・スプリング、６・・・絶縁
板、７・・・可動鉄心付随接点、８Ａ・・・固定接点、
９・・・当板金具、１０・・・ピン、Ｃ８・・・しゃ断
器投入用スイッチ、５２Ｙ・・・継電器、５２Ｘ、５２
Ｃ・・・電磁接触器。FIG. 1 is a conventional breaker closing control circuit diagram 1, FIG. 2 is a circuit diagram showing an embodiment of the breaker closing circuit of the present invention, and FIG. 3 is an embodiment of the relay 52Y in FIG. 2. The configuration diagrams shown in FIGS. 4 and 5 are cross-sectional views showing the operation of the relay shown in FIG. 3. DESCRIPTION OF SYMBOLS 1... Coil, 2... Fixed core, 3... Movable core, 4... Yoke, 5... Spring, 6... Insulating plate, 7... Movable core associated contact, 8A.・・Fixed contact,
9... Plate metal fitting, 10... Pin, C8... Breaker closing switch, 52Y... Relay, 52X, 52
C...Magnetic contactor.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

しゃ断器の投入操作用スイッチと、このスイッチの操作
で励磁される継電器と、前記スイッチの操作で前記継電
器の常閉接点を通して励磁され、前記しゃ断器の投入回
路を作動させる電磁接触器とｉ備え、前記継電器は前記
投入操作用スイッチの投入状態で通電される電磁石と、
前記しゃ断器の投入動作に連動する押片が、前記電磁石
の鉄片としてコイル内を移動することにより、前記電磁
石に、吸引・保持され、前記常閉接点を開路する可動部
材を備えたことを特徴とするしゃ断器の投入制御回路。A switch for closing the breaker, a relay that is energized by operating the switch, and an electromagnetic contactor that is energized through the normally closed contact of the relay by operating the switch and operates the closing circuit of the breaker. , the relay includes an electromagnet that is energized when the closing operation switch is in the closed state;
A push piece interlocked with the closing operation of the breaker moves within the coil as an iron piece of the electromagnet, thereby being attracted and held by the electromagnet, and comprising a movable member that opens the normally closed contact. A closing control circuit for a circuit breaker.