JPS5977750U - Electric circuit malfunction detection device - Google Patents
Electric circuit malfunction detection deviceInfo
- 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
Links
Landscapes
- 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
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)
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.
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) |
-
1982
- 1982-11-16 JP JP17312082U patent/JPS5977750U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0139381Y2 (en) | 1989-11-27 |
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