JPH0326934U - - Google Patents
Info
- Publication number
- JPH0326934U JPH0326934U JP8781489U JP8781489U JPH0326934U JP H0326934 U JPH0326934 U JP H0326934U JP 8781489 U JP8781489 U JP 8781489U JP 8781489 U JP8781489 U JP 8781489U JP H0326934 U JPH0326934 U JP H0326934U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- breakage
- shunt
- detection circuit
- nand gate
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
Description
第１図は本考案の実施例によるしや断器操作装
置の点検装置の回路図、第２図は従来のしや断器
操作装置の点検装置の回路図である。
１……投入指令スイツチ、２ａ，２ｂ……抵抗
、３ａ……発光素子、３ｂ……受光素子、３……
第１のホトカプラ、４……投入指令スイツチ、５
ａ，５ｂ……抵抗、６ａ……発光素子、６ｂ……
受光素子、６……投入コイル断線検出回路を形成
する第２のホトカプラ、７……第１のタイマー、
８……第２のタイマー、９ａ……第１のナンドゲ
ート、９ｂ……第２のナンドゲート、１０……論
理回路からなる判定回路、５２Ｔ……しや断コイ
ル、５２Ｃ……投入コイル。
FIG. 1 is a circuit diagram of an inspection device for a shield breaker operating device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional inspection device for a shield breaker operating device. 1... Closing command switch, 2a, 2b... Resistor, 3a... Light emitting element, 3b... Light receiving element, 3...
First photocoupler, 4... input command switch, 5
a, 5b...Resistor, 6a...Light emitting element, 6b...
light receiving element, 6... second photocoupler forming a closing coil disconnection detection circuit, 7... first timer,
8... Second timer, 9a... First NAND gate, 9b... Second NAND gate, 10... Judgment circuit consisting of a logic circuit, 52T... Cut-off coil, 52C... Closing coil.
Claims (1)
ルおよび挿入コイルと、しや断コイルの断線を検
出するしや断コイル断線検出回路および投入コイ
ルの断線を検出する投入コイル断線検出回路から
なるしや断操作装置の点検装置において、前記投
入コイル断線検出回路の検出信号の反転信号を入
力とする第１のナンドゲートとしや断コイル断線
検出回路の検出信号の反転信号を入力とする第２
のナンドゲートからなる論理回路を設けて構成し
たことを特徴とするしや断器操作装置の点検装置
。 A shunt coil and an insertion coil connected to the control limited power source of the shunt breaker, a shunt coil disconnection detection circuit that detects a shunt coil breakage, and a closing coil disconnection detection circuit that detects a shunt coil breakage. In the inspection device for a sheath breakage operating device, the first NAND gate receives an inverted signal of the detection signal of the closing coil breakage detection circuit, and the first NAND gate receives an inverted signal of the detection signal of the sheath breakage detection circuit. 2
An inspection device for a breaker operating device, characterized in that it is configured by providing a logic circuit consisting of a NAND gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8781489U JPH0326934U (en) | 1989-07-26 | 1989-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8781489U JPH0326934U (en) | 1989-07-26 | 1989-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0326934U true JPH0326934U (en) | 1991-03-19 |
Family
ID=31637453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8781489U Pending JPH0326934U (en) | 1989-07-26 | 1989-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326934U (en) |
-
1989
- 1989-07-26 JP JP8781489U patent/JPH0326934U/ja active Pending
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