JPS60142434U - Trip circuit disconnection detection device in circuit breaker - Google Patents
Trip circuit disconnection detection device in circuit breakerInfo
- Publication number
- JPS60142434U JPS60142434U JP2979684U JP2979684U JPS60142434U JP S60142434 U JPS60142434 U JP S60142434U JP 2979684 U JP2979684 U JP 2979684U JP 2979684 U JP2979684 U JP 2979684U JP S60142434 U JPS60142434 U JP S60142434U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- trip
- disconnection detection
- detection device
- circuit breaker
- 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.)
- Pending
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Keying Circuit Devices (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の基本的構成を示す回路図、第２図は保
護継電器の自己診断装置と併用した本考案の実施例を示
す回路図である。
１：遮断器、２：主接触子、３ニトリツブコイル、４：
制御箱、５ニトリツブ電源、６：トリップ出力接点、７
：発光素子、８：受光素子、９：断線検出回路、１０：
表示装置、１１：サージ防止用ダイオード、１２：電流
制限用抵抗器、１３：外部出力端子、１４：整流用ダイ
オード、１５：平滑用コンデンサ。FIG. 1 is a circuit diagram showing the basic configuration of the present invention, and FIG. 2 is a circuit diagram showing an embodiment of the present invention used in combination with a self-diagnosis device for a protective relay. 1: Circuit breaker, 2: Main contact, 3 nitrite tube coil, 4:
Control box, 5 Nitritub power supply, 6: Trip output contact, 7
: Light emitting element, 8: Light receiving element, 9: Disconnection detection circuit, 10:
Display device, 11: Surge prevention diode, 12: Current limiting resistor, 13: External output terminal, 14: Rectifying diode, 15: Smoothing capacitor.
Claims (1)
コイルの励磁回路を閉成するトリップ出力接点とを直列
にトリップ電源に接続したトリップ回路において、前記
トリップ出力接点を迂回して前記トリップコイルに動作
電源よりも微弱な断線検出用電流を流す断線検出用電流
回路を形成するとともに同断線検出用電流回路に発光素
子を接続し、同発光素子が点灯状態か否かを検出する受
光素子を含んだ断線検出回路を形成し、かつ前記発光素
子が滅灯状態のときに警報表示を行なう表示装置を前記
断線検出回路に接続したことを特徴とする遮断器におけ
るトリップ回路断線検出装置。In a trip circuit in which a trip coil that trips a circuit breaker and a trip output contact that closes the excitation circuit of the trip coil are connected in series to a trip power source, the trip output contact is bypassed and the trip coil is connected to the operating power source. A disconnection detection circuit that forms a disconnection detection current circuit that flows a weak disconnection detection current, connects a light emitting element to the disconnection detection current circuit, and includes a light receiving element that detects whether or not the light emitting element is lit. 1. A trip circuit disconnection detection device for a circuit breaker, characterized in that a display device is connected to the disconnection detection circuit and displays an alarm when the light emitting element is off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2979684U JPS60142434U (en) | 1984-02-29 | 1984-02-29 | Trip circuit disconnection detection device in circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2979684U JPS60142434U (en) | 1984-02-29 | 1984-02-29 | Trip circuit disconnection detection device in circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60142434U true JPS60142434U (en) | 1985-09-20 |
Family
ID=30528928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2979684U Pending JPS60142434U (en) | 1984-02-29 | 1984-02-29 | Trip circuit disconnection detection device in circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60142434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62261971A (en) * | 1986-05-09 | 1987-11-14 | Nippon Kokan Kk <Nkk> | Online disconnection detection device |
-
1984
- 1984-02-29 JP JP2979684U patent/JPS60142434U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62261971A (en) * | 1986-05-09 | 1987-11-14 | Nippon Kokan Kk <Nkk> | Online disconnection detection device |
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