JPS5977750U - Electric circuit malfunction detection device - Google Patents

Electric circuit malfunction detection device

Info

Publication number
JPS5977750U
JPS5977750U JP17312082U JP17312082U JPS5977750U JP S5977750 U JPS5977750 U JP S5977750U JP 17312082 U JP17312082 U JP 17312082U JP 17312082 U JP17312082 U JP 17312082U JP S5977750 U JPS5977750 U JP S5977750U
Authority
JP
Japan
Prior art keywords
circuit
electric circuit
detection device
electromagnetic relay
contact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17312082U
Other languages
Japanese (ja)
Other versions
JPH0139381Y2 (en
Inventor
弘幸 伊藤
哲 長谷川
Original Assignee
富士電機株式会社
中村電子工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士電機株式会社, 中村電子工業株式会社 filed Critical 富士電機株式会社
Priority to JP17312082U priority Critical patent/JPS5977750U/en
Publication of JPS5977750U publication Critical patent/JPS5977750U/en
Application granted granted Critical
Publication of JPH0139381Y2 publication Critical patent/JPH0139381Y2/ja
Granted legal-status Critical Current

Links

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  • General Induction Heating (AREA)
  • Protection Of Static Devices (AREA)
  • Control Of Electrical Variables (AREA)

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

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

第1図は従来のコンデンサ切換制御装置を示す回路図、
第2−図はリレーPXの組合せの例を示す説明図、第3
図はこの考案の一実施例を示す電気回路図、第4図a、
  bは第3図の動作説明図。 A・・・自動力率調整装置、px1〜5・・・電磁継電
器、P1〜P5・・・接点1.11.12・・・演算増
巾器、cl、c2・・・コンデンサ、R1−R12・・
・抵抗。
Figure 1 is a circuit diagram showing a conventional capacitor switching control device.
Figure 2 is an explanatory diagram showing an example of a combination of relays PX;
The figure is an electric circuit diagram showing one embodiment of this invention, Fig. 4a,
b is an explanatory diagram of the operation of FIG. 3; A... Automatic power factor adjustment device, px1-5... Electromagnetic relay, P1-P5... Contacts 1.11.12... Arithmetic amplifier, cl, c2... Capacitor, R1-R12・・・
·resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電源間に電磁継電器と、前記電磁継電器に動作指令を与
える接点との直列回路を複数個並列に接続し、かつ複数
個の前記接点をある一定時間以上の間隔で動作させる回
路を備えた電気回路において、前記電磁継電器と前記接
点との接続点にそれぞれ抵抗の一端を接続し、これらの
抵抗の他端を゛共通に接続し、その共通接続点に、微分
回路と、積分回路と、前記積分回路の出力電圧が一定電
圧に達したとき検出出力を発生する回路とを縦属接続し
、前記接点が前記一定時間以内の時間で2測具上動作し
たとき異常として検出することを特徴とする電気回路の
誤動作検出装置。
An electric circuit comprising a plurality of series circuits of an electromagnetic relay and a contact that gives an operation command to the electromagnetic relay connected in parallel between power sources, and a circuit that operates the plurality of the contacts at intervals of a certain period of time or more. , one end of a resistor is connected to the connection point between the electromagnetic relay and the contact, the other ends of these resistors are commonly connected, and a differentiating circuit, an integrating circuit, and the integrating circuit are connected to the common connecting point. A circuit that generates a detection output when the output voltage of the circuit reaches a certain voltage is connected in cascade, and an abnormality is detected when the contact point operates on two measuring instruments within the certain period of time. Electric circuit malfunction detection device.
JP17312082U 1982-11-16 1982-11-16 Electric circuit malfunction detection device Granted JPS5977750U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17312082U JPS5977750U (en) 1982-11-16 1982-11-16 Electric circuit malfunction detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17312082U JPS5977750U (en) 1982-11-16 1982-11-16 Electric circuit malfunction detection device

Publications (2)

Publication Number Publication Date
JPS5977750U true JPS5977750U (en) 1984-05-25
JPH0139381Y2 JPH0139381Y2 (en) 1989-11-27

Family

ID=30377209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17312082U Granted JPS5977750U (en) 1982-11-16 1982-11-16 Electric circuit malfunction detection device

Country Status (1)

Country Link
JP (1) JPS5977750U (en)

Also Published As

Publication number Publication date
JPH0139381Y2 (en) 1989-11-27

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