JPS58131188U - Overvoltage protection circuit - Google Patents
Overvoltage protection circuitInfo
- Publication number
- JPS58131188U JPS58131188U JP2857182U JP2857182U JPS58131188U JP S58131188 U JPS58131188 U JP S58131188U JP 2857182 U JP2857182 U JP 2857182U JP 2857182 U JP2857182 U JP 2857182U JP S58131188 U JPS58131188 U JP S58131188U
- Authority
- JP
- Japan
- Prior art keywords
- constant voltage
- circuit
- overvoltage protection
- protection circuit
- voltage circuit
- 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
- Continuous-Control Power Sources That Use Transistors (AREA)
- Power Conversion In General (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図は定電圧装置の回路図、第２図は本考案の一実施
例を示す回路図である。
３・・・ヒユーズ、４・・・定電圧回路、５・・・サイ
リスタ、６・・・負荷、８・・・誤差増幅器、１１・・
・限流抵抗、１２・・・ツェナーダイオード、１３・・
・抵抗、１４・・・サイリスタ、１５・・・過電圧保護
回路。FIG. 1 is a circuit diagram of a constant voltage device, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. 3... Fuse, 4... Constant voltage circuit, 5... Thyristor, 6... Load, 8... Error amplifier, 11...
・Current limiting resistor, 12... Zener diode, 13...
-Resistor, 14...Thyristor, 15...Overvoltage protection circuit.
Claims (1)
する定電圧回路を介して負荷に定電圧を供給する定電圧
装置において、前記定電圧回路と直流電源との間の電路
に介挿された電流制御用の限流抵抗と、前記定電圧回路
の出力側に接続され、前記定電圧回路が所定の定電圧出
力を送出しているときには非導通状態を保つツェナーダ
イオードと抵抗から成る直列回路と、この直列回路に並
列接続され、前記ツェナーダイオードが導通したときに
オンされるサイリスクとを設けた事を特徴とする過電圧
保護回路。In a constant voltage device that supplies a constant voltage to a load via a constant voltage circuit that uses a thyristor as a control element to connect a DC power source connected to the input side, the device is inserted in an electrical path between the constant voltage circuit and the DC power source. a series circuit consisting of a current limiting resistor for current control, a Zener diode and a resistor that is connected to the output side of the constant voltage circuit and maintains a non-conducting state when the constant voltage circuit is sending out a predetermined constant voltage output; An overvoltage protection circuit comprising: a cyrisk connected in parallel to the series circuit and turned on when the Zener diode becomes conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2857182U JPS58131188U (en) | 1982-03-01 | 1982-03-01 | Overvoltage protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2857182U JPS58131188U (en) | 1982-03-01 | 1982-03-01 | Overvoltage protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58131188U true JPS58131188U (en) | 1983-09-05 |
Family
ID=30040412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2857182U Pending JPS58131188U (en) | 1982-03-01 | 1982-03-01 | Overvoltage protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131188U (en) |
-
1982
- 1982-03-01 JP JP2857182U patent/JPS58131188U/en active Pending
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