JPH0370466U - - Google Patents
Info
- Publication number
- JPH0370466U JPH0370466U JP13036789U JP13036789U JPH0370466U JP H0370466 U JPH0370466 U JP H0370466U JP 13036789 U JP13036789 U JP 13036789U JP 13036789 U JP13036789 U JP 13036789U JP H0370466 U JPH0370466 U JP H0370466U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- switching element
- flyback transformer
- circuit
- power supply
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Television Receiver Circuits (AREA)
- Details Of Television Scanning (AREA)
Description
第１図は本考案の一実施例の電気回路図、第２
図はそれのの各部の動作電圧の波形図、第３図は
それの特性図、第４図は従来の高電圧発生回路の
電気回路図である。
ＶＢ……直流電源、ＦＴ……フライバツクトラ
ンス、Ｌ５……フライバツクトランスの２次側の
巻線、ＶＤ……電圧検出回路、ＴＨ……サイリス
タ（スイツチング素子）、ＴＣ……トリガ回路。
Fig. 1 is an electrical circuit diagram of one embodiment of the present invention;
The figure is a waveform diagram of the operating voltage of each part of the same, FIG. 3 is a characteristic diagram of the same, and FIG. 4 is an electric circuit diagram of a conventional high voltage generating circuit. VB: DC power supply, FT: flyback transformer, L5: secondary winding of flyback transformer, VD: voltage detection circuit, TH: thyristor (switching element), TC: trigger circuit.
Claims (1)
源から断続的に電力供給してパルス電圧を発生さ
せ、このパルス電圧を前記フライバツクトランス
により昇圧して２次側から直流高電圧を出力する
高電圧発生回路において、前記フライバツクトラ
ンスの２次側に接続されて出力高電圧を検出する
電圧検出回路と、前記フライバツクトランスの２
次側に巻装されて一端が前記直流電源に接続され
た巻線と、この巻線の他端に接続されたスイツチ
ング素子と、前記電圧検出回路からの電圧検出信
号の検出電圧値が小さくなるに伴つて前記スイツ
チング素子をその導通角が大きくなるようスイツ
チング制御するトリガ回路とを具備してなること
を特徴とする高電圧発生回路。 A high voltage generation circuit that intermittently supplies power from a DC power supply to the primary side of a flyback transformer to generate a pulse voltage, boosts this pulse voltage by the flyback transformer, and outputs a high DC voltage from the secondary side. A voltage detection circuit connected to the secondary side of the flyback transformer to detect an output high voltage;
The detection voltage value of the voltage detection signal from the winding wound on the next side and connected at one end to the DC power supply, the switching element connected to the other end of this winding, and the voltage detection circuit becomes small. 1. A high voltage generating circuit comprising: a trigger circuit that performs switching control of the switching element so that its conduction angle increases as the switching element increases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13036789U JPH0370466U (en) | 1989-11-08 | 1989-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13036789U JPH0370466U (en) | 1989-11-08 | 1989-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0370466U true JPH0370466U (en) | 1991-07-15 |
Family
ID=31677950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13036789U Pending JPH0370466U (en) | 1989-11-08 | 1989-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0370466U (en) |
-
1989
- 1989-11-08 JP JP13036789U patent/JPH0370466U/ja active Pending