JPS58151853U - overvoltage detector - Google Patents
overvoltage detectorInfo
- Publication number
- JPS58151853U JPS58151853U JP4825682U JP4825682U JPS58151853U JP S58151853 U JPS58151853 U JP S58151853U JP 4825682 U JP4825682 U JP 4825682U JP 4825682 U JP4825682 U JP 4825682U JP S58151853 U JPS58151853 U JP S58151853U
- Authority
- JP
- Japan
- Prior art keywords
- photocoupler
- photothyristor
- overvoltage detector
- coupler
- 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
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (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図は本考案による過電圧検出器の一実施例を示す回
路図、第２図は本考案の他の実施例を示す回路図である
。
１１．１２・・・・・・電圧分圧用抵抗器、１３・・・
・・・フォトカップラ、１３′・・・・・・フォトサイ
リスクカップラ、１４・・・・・・トリガ素子、１４１
・・・・・・保護抵抗器、１５・・・・・・コンデンサ
、１６・・・・・・抵抗器、１７・・・・・・電源、１
１１，１１２，１８１，１８２・・・・・一端子。FIG. 1 is a circuit diagram showing one embodiment of an overvoltage detector according to the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the present invention. 11.12... Voltage dividing resistor, 13...
...Photocoupler, 13'...Photothyrist coupler, 14...Trigger element, 141
...Protection resistor, 15...Capacitor, 16...Resistor, 17...Power supply, 1
11, 112, 181, 182... one terminal.
Claims (1)
デンサと、トリガ素子と、フォトカップラまたはフォト
サイリスタカップラとを有し、該フォトカップラまたは
フォトサイリスクカップラの発光タイオード側と前記ト
リガ素子を直列接続した回路を前記コンデンサと並列に
接続し、前記フォトカップラまたはフォトサイリスタカ
ップラのフォトトランジスタ側またはフォトサイリスク
側のオン状態を過電圧検知信号とすることを特徴とする
過電圧検出器。It has a voltage dividing resistor, a capacitor connected in parallel with the resistor, a trigger element, and a photocoupler or a photothyristor coupler, the light emitting diode side of the photocoupler or photothyristor coupler and the trigger element. An overvoltage detector, characterized in that a circuit in which the two are connected in series is connected in parallel with the capacitor, and the ON state of the phototransistor side or the photothyristor side of the photocoupler or photothyristor coupler is used as an overvoltage detection signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4825682U JPS58151853U (en) | 1982-04-05 | 1982-04-05 | overvoltage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4825682U JPS58151853U (en) | 1982-04-05 | 1982-04-05 | overvoltage detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58151853U true JPS58151853U (en) | 1983-10-12 |
| JPH0222705Y2 JPH0222705Y2 (en) | 1990-06-19 |
Family
ID=30059187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4825682U Granted JPS58151853U (en) | 1982-04-05 | 1982-04-05 | overvoltage detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58151853U (en) |
-
1982
- 1982-04-05 JP JP4825682U patent/JPS58151853U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0222705Y2 (en) | 1990-06-19 |
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