JPS6062724U - Trip circuit constant monitoring device - Google Patents
Trip circuit constant monitoring deviceInfo
- Publication number
- JPS6062724U JPS6062724U JP15527183U JP15527183U JPS6062724U JP S6062724 U JPS6062724 U JP S6062724U JP 15527183 U JP15527183 U JP 15527183U JP 15527183 U JP15527183 U JP 15527183U JP S6062724 U JPS6062724 U JP S6062724U
- Authority
- JP
- Japan
- Prior art keywords
- breaker
- circuit
- monitoring device
- trip
- parallel
- 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
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
第１図は従来の常時監視装置の回路図、第２図は本考案
の一実施例を示す回路図、第３図は本考案の他の実施例
を示す回路図、第４図は第３図の作用説明のための回路
図である。
１・・・・・・トリップコイル、２・・・・・・パレッ
トスイッチ、３・・・・・・しゃ断操作回路、４・・・
・・・保護継電器出力接点、１１・・・・・・しゃ断器
補助接点、１２．１４・・・・・・限流抵抗、１７・・
・・・・断線検出リレー、１８・・・・・・バリスタ、
２０・・・・・・ターゲット式表示器、３０・・・・・
・配電盤、３１・・・・・・遠方接点、３２・・・・・
・監視装置。Fig. 1 is a circuit diagram of a conventional constant monitoring device, Fig. 2 is a circuit diagram showing one embodiment of the present invention, Fig. 3 is a circuit diagram showing another embodiment of the present invention, and Fig. 4 is a circuit diagram showing a third embodiment of the present invention. FIG. 3 is a circuit diagram for explaining the operation of the figure. 1... Trip coil, 2... Pallet switch, 3... Cutoff operation circuit, 4...
... Protective relay output contact, 11... Breaker auxiliary contact, 12.14... Current limiting resistor, 17...
...Disconnection detection relay, 18...Varistor,
20...Target type display, 30...
・Switchboard, 31...Distant contact, 32...
・Monitoring device.
Claims (2)
ッチに並列にしゃ断器の常閉補助接点と限流抵抗の直列
回路を設け、各しゃ断操作接点と並列接続にして上記ト
リップコイル側への通電路断線を検出しかつ該検出電流
を該トリップコイルによるしゃ断操作しない微弱電流で
検出する監視リレー回路を設け、この監視リレー回路の
検出リレー出力接点に直列接続して該接点間に誤動作防
止のための動作遅れを持って断線表示するターゲット式
表示器を設けたことを特徴とするトリップ回路の常時監
視装置。(1) A series circuit of the normally closed auxiliary contact of the breaker and a current limiting resistor is installed in parallel with a pallet switch that is connected in series to the trip coil of the breaker, and connected in parallel with each breaker operation contact to connect it to the trip coil side. A monitoring relay circuit is provided that detects disconnection of the energized line and detects the detected current with a weak current that is not cut off by the trip coil, and is connected in series to the detection relay output contact of this monitoring relay circuit to prevent malfunction between the contacts. A constant monitoring device for a trip circuit, characterized in that it is equipped with a target type indicator that indicates a disconnection with a delay in operation.
配線で並列接続することを特徴とする実用新案登録請求
の範囲第１項記載のトリップ回路の常時監視装置。(2) A constant monitoring device for a trip circuit according to claim 1, wherein the monitoring relay circuit is connected in parallel with each breaker operating contact via crossover wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15527183U JPS6062724U (en) | 1983-10-06 | 1983-10-06 | Trip circuit constant monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15527183U JPS6062724U (en) | 1983-10-06 | 1983-10-06 | Trip circuit constant monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6062724U true JPS6062724U (en) | 1985-05-02 |
| JPH054656Y2 JPH054656Y2 (en) | 1993-02-05 |
Family
ID=30342979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15527183U Granted JPS6062724U (en) | 1983-10-06 | 1983-10-06 | Trip circuit constant monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6062724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009303397A (en) * | 2008-06-13 | 2009-12-24 | Mitsubishi Electric Corp | Disconnection detection device of trip operation circuit of switching device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3946261B2 (en) * | 1996-09-03 | 2007-07-18 | 日本信号株式会社 | Automatic slide operation control device for fail-safe press machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54166553U (en) * | 1978-05-16 | 1979-11-22 |
-
1983
- 1983-10-06 JP JP15527183U patent/JPS6062724U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54166553U (en) * | 1978-05-16 | 1979-11-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009303397A (en) * | 2008-06-13 | 2009-12-24 | Mitsubishi Electric Corp | Disconnection detection device of trip operation circuit of switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054656Y2 (en) | 1993-02-05 |
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