JPH0481334U - - Google Patents
Info
- Publication number
- JPH0481334U JPH0481334U JP12366790U JP12366790U JPH0481334U JP H0481334 U JPH0481334 U JP H0481334U JP 12366790 U JP12366790 U JP 12366790U JP 12366790 U JP12366790 U JP 12366790U JP H0481334 U JPH0481334 U JP H0481334U
- Authority
- JP
- Japan
- Prior art keywords
- photocoupler
- phototransistor
- coil
- led
- protective resistor
- 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)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
第１図は本考案のコイル断線検出器の実施例を
示す回路図、第２図は従来の遮断器の制御回路を
示す回路図である。
１……投入信号、２……引き外し信号、３……
検出部、４……タイマ回路、５……出力回路、６
……断線検出器、７……タイマ、３１……正極端
子、３２……検出端子、３３……検出端子、３４
……保護抵抗、３５……ホトカプラ、３６……保
護抵抗、３７……ホトカプラ、５１……出力端子
、５２……出力端子、３５１……ホトカプラのＬ
ＥＤ、３５２……ホトカプラのホトトランジスタ
、３７１……ホトカプラのＬＥＤ、３７２……ホ
トカプラのホトトランジスタ。
FIG. 1 is a circuit diagram showing an embodiment of the coil breakage detector of the present invention, and FIG. 2 is a circuit diagram showing a conventional circuit breaker control circuit. 1... Closing signal, 2... Tripping signal, 3...
Detection unit, 4... Timer circuit, 5... Output circuit, 6
...Disconnection detector, 7...Timer, 31...Positive terminal, 32...Detection terminal, 33...Detection terminal, 34
...protective resistor, 35...photocoupler, 36...protective resistor, 37...photocoupler, 51...output terminal, 52...output terminal, 351...photocoupler L
ED, 352...Photocoupler phototransistor, 371...Photocoupler LED, 372...Photocoupler phototransistor.
Claims (1)
のＬＥＤ３５１を介して投入コイルＣＣが接続さ
れる検出端子３２を、また正極端子３１、保護抵
抗３６、ホトカプラ３７のＬＥＤ３７１を介して
引き外しコイルＴＣが接続される検出端子３３を
それぞれ有しており、並列接続されたホトカプラ
３５のホトトランジスタ３５２とホトカプラ３７
のホトトランジスタ３７２を介してタイマ回路４
と出力回路５を接続したことを特徴とするコイル
断線検出器。 Positive terminal 31, protective resistor 34, photocoupler 35
It has a detection terminal 32 to which the closing coil CC is connected via the LED 351 of the detector, and a detection terminal 33 to which the tripping coil TC is connected via the LED 371 of the positive terminal 31, the protective resistor 36, and the photocoupler 37. , the phototransistor 352 of the photocoupler 35 and the photocoupler 37 connected in parallel.
The timer circuit 4 via the phototransistor 372 of
A coil disconnection detector characterized in that an output circuit 5 is connected to the output circuit 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12366790U JPH0481334U (en) | 1990-11-27 | 1990-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12366790U JPH0481334U (en) | 1990-11-27 | 1990-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481334U true JPH0481334U (en) | 1992-07-15 |
Family
ID=31871360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12366790U Pending JPH0481334U (en) | 1990-11-27 | 1990-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481334U (en) |
-
1990
- 1990-11-27 JP JP12366790U patent/JPH0481334U/ja active Pending