JPS5888166U - voltage detection device - Google Patents
voltage detection deviceInfo
- Publication number
- JPS5888166U JPS5888166U JP18452481U JP18452481U JPS5888166U JP S5888166 U JPS5888166 U JP S5888166U JP 18452481 U JP18452481 U JP 18452481U JP 18452481 U JP18452481 U JP 18452481U JP S5888166 U JPS5888166 U JP S5888166U
- Authority
- JP
- Japan
- Prior art keywords
- switch element
- voltage detection
- voltage
- diode
- 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.)
- Granted
Links
Landscapes
- Power Conversion In General (AREA)
- Measurement Of Current Or Voltage (AREA)
- Emergency Protection 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図は従来の電圧検出装置の回路図、第2図はその回
路各部の動作波形図、第3図はこの考案の一実施例によ
る電圧検出装置の回路図、第4図はその回路各部の動作
波形図である。
1・・・・・・サイリスタ、2.3・・・・・・抵抗、
4・・・・・・定電圧ダイオード、7・・・・・・順電
圧検出器、8・・・・・・ライトガイド、10,11・
・・・・・抵抗、12・・・・・・サイリスタ、13.
15・・・・・・定電圧ダイオード、14・・・・・・
コンデンサ、GU・・・・・・点弧装置、LD・・・・
・・発光ダイオード。なお、図中、同一符号は同−又は
相当部分を示す。
6 ・ ;1Fig. 1 is a circuit diagram of a conventional voltage detection device, Fig. 2 is an operating waveform diagram of each part of the circuit, Fig. 3 is a circuit diagram of a voltage detection device according to an embodiment of this invention, and Fig. 4 is a diagram of each part of the circuit. FIG. 1... Thyristor, 2.3... Resistor,
4... Constant voltage diode, 7... Forward voltage detector, 8... Light guide, 10, 11.
...Resistor, 12...Thyristor, 13.
15... Constant voltage diode, 14...
Capacitor, GU...Ignition device, LD...
...Light emitting diode. In addition, in the figures, the same reference numerals indicate the same or corresponding parts. 6 ・ ;1
Claims (1)
・スイッチ素子及び発光ダイオードとからなる直列体と
、上記電圧検出用の2端子間に印加される電圧が規定値
に達したとき通電して上記スイッチ素子を導通させるよ
うに該スイッチ素子の陽極と点弧極間に接続した定電圧
ダイオードと、上記スイッチ素子の不導通時に充電され
て該スイッチ素子の導通開始時に上記発光ダイオードに
流れる電流に放電電流を重畳させるように上記第2の抵
抗・上記スイッチ素子及び上記発光ダイオードとからな
る直列体と並列に接続したコンデンサと、上記発光ダイ
オードの出力光を受光することで上記2端子間に規定値
以上の電圧が印加されたことを検出して順電圧検出信号
を発生する順電圧検出器とを備えた電圧検出装置。A series body consisting of a first resistor, a second resistor, a switch element, and a light emitting diode provided between two terminals for voltage detection, and a voltage applied between the two terminals for voltage detection reach a specified value. A constant voltage diode is connected between the anode and the ignition electrode of the switch element so as to conduct electricity when the switch element is turned on, and a constant voltage diode is connected between the anode and the ignition electrode of the switch element so that the switch element becomes conductive when the switch element is turned off. A capacitor connected in parallel with a series body consisting of the second resistor, the switch element, and the light emitting diode so as to superimpose a discharge current on the current flowing through the diode, and receiving the output light of the light emitting diode, A voltage detection device comprising a forward voltage detector that detects that a voltage equal to or higher than a specified value is applied between two terminals and generates a forward voltage detection signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18452481U JPS5888166U (en) | 1981-12-09 | 1981-12-09 | voltage detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18452481U JPS5888166U (en) | 1981-12-09 | 1981-12-09 | voltage detection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5888166U true JPS5888166U (en) | 1983-06-15 |
JPH0317264Y2 JPH0317264Y2 (en) | 1991-04-11 |
Family
ID=29984753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18452481U Granted JPS5888166U (en) | 1981-12-09 | 1981-12-09 | voltage detection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5888166U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556855U (en) * | 1978-06-30 | 1980-01-17 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5244685A (en) * | 1975-10-06 | 1977-04-07 | Sumitomo Metal Ind Ltd | Packing for hydraulic testing device for steel pipes |
-
1981
- 1981-12-09 JP JP18452481U patent/JPS5888166U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556855U (en) * | 1978-06-30 | 1980-01-17 |
Also Published As
Publication number | Publication date |
---|---|
JPH0317264Y2 (en) | 1991-04-11 |
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