JPS5823457U - High voltage limit circuit - Google Patents
High voltage limit circuitInfo
- Publication number
- JPS5823457U JPS5823457U JP11621981U JP11621981U JPS5823457U JP S5823457 U JPS5823457 U JP S5823457U JP 11621981 U JP11621981 U JP 11621981U JP 11621981 U JP11621981 U JP 11621981U JP S5823457 U JPS5823457 U JP S5823457U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- high pressure
- output
- generating
- power source
- 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
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図は従来の高圧制限回路の１例を示す回路図、第２
図は本考案の高圧制限回路の１実施例を示す回路図であ
る。
７・・・・・・トランジスタ、８・・・・・・ダイオー
ド、９゜１０・・・・・・抵抗、１１・・・・・・安定
化基準電源。Figure 1 is a circuit diagram showing an example of a conventional high voltage limiting circuit;
The figure is a circuit diagram showing one embodiment of the high voltage limiting circuit of the present invention. 7...Transistor, 8...Diode, 9゜10...Resistor, 11...Stabilized reference power supply.
Claims (2)
るための２次巻線と、前記２次巻線に誘起される電圧を
整流する整流手段と、前記整流手段によって得られた出
力電圧が設定値より高くなったとき、異常高圧状態を判
定す名異常高圧状態検出回路と、前記異常高圧状態検出
回路の判定に応じて異常高圧の発生を阻止する高圧制御
部とを有する高圧制限回路において、十Ｂ電圧を代表す
る電圧を発生する手段と、十Ｂ電圧が正常な値であると
きの前記電圧発生手段の出力電圧にほぼ等しい電圧を発
生する安定化基準電源と、前記電圧発生手段の出力と安
定化基準電源の出力電圧とを比較する手段と、前記電圧
発生手段の出力電圧が前記安定化基準電源の電圧より低
い場合に、補正用電圧を、前記整流手段によって得られ
た電圧に同極性で重畳する手段とを具備したことを特徴
とする高圧制限回路。(1) A secondary winding for detecting the voltage of the high-voltage winding of the flyback transformer, a rectifier for rectifying the voltage induced in the secondary winding, and an output voltage obtained by the rectifier. A high voltage limiting circuit having an abnormal high pressure state detection circuit that determines an abnormal high pressure state when the voltage exceeds a set value, and a high pressure control section that prevents generation of abnormal high pressure according to the determination of the abnormal high pressure state detection circuit. , means for generating a voltage representative of the 10B voltage, a stabilized reference power source for generating a voltage approximately equal to the output voltage of the voltage generation means when the 10B voltage is a normal value, and means for comparing the output with the output voltage of the stabilized reference power source; and when the output voltage of the voltage generating means is lower than the voltage of the stabilized reference power source, the correction voltage is set to the voltage obtained by the rectifying means. A high voltage limiting circuit characterized by comprising means for superimposing the same polarity.
数であることを特徴とする実用新案登録語 さ求の
範囲第１項記載の高圧制限回路。(2) The high voltage limiting circuit according to item 1, wherein the correction voltage is a function of the output voltage of the voltage generating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11621981U JPS5823457U (en) | 1981-08-06 | 1981-08-06 | High voltage limit circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11621981U JPS5823457U (en) | 1981-08-06 | 1981-08-06 | High voltage limit circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5823457U true JPS5823457U (en) | 1983-02-14 |
Family
ID=29910454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11621981U Pending JPS5823457U (en) | 1981-08-06 | 1981-08-06 | High voltage limit circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5823457U (en) |
-
1981
- 1981-08-06 JP JP11621981U patent/JPS5823457U/en active Pending
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