JPH033183U - - Google Patents
Info
- Publication number
- JPH033183U JPH033183U JP6265889U JP6265889U JPH033183U JP H033183 U JPH033183 U JP H033183U JP 6265889 U JP6265889 U JP 6265889U JP 6265889 U JP6265889 U JP 6265889U JP H033183 U JPH033183 U JP H033183U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- rectifier circuit
- voltage
- output
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は、この考案の一実施例を示す高圧電源
装置の回路図、第２図は、同実施例高圧電源装置
の入力電流波形を示す図、第３図は、一般的なフ
ラツシユ定着用電源装置の構成を示すブロツク図
、第４図は、同フラツシユ定着用電源装置に使用
される従来の高圧電源装置を示す回路図、第５図
は、同従来の高圧電源装置における入力電流波形
を示す図である。
３……負荷コンデンサ、１２……第１の整流回
路、１３……スイツチング回路、１４……昇圧ト
ランス、１７……第２の整流回路、２５……チヨ
ツパ回路、２６……電流検出用抵抗、２７……制
御回路。
Fig. 1 is a circuit diagram of a high-voltage power supply device showing an embodiment of this invention, Fig. 2 is a diagram showing the input current waveform of the high-voltage power supply equipment of the same embodiment, and Fig. 3 is a diagram showing the input current waveform of the high-voltage power supply device of the same embodiment. FIG. 4 is a block diagram showing the configuration of the power supply device. FIG. 4 is a circuit diagram showing a conventional high voltage power supply device used in the same flash fixing power supply device. FIG. 5 is a diagram showing the input current waveform in the conventional high voltage power supply device. FIG. 3... Load capacitor, 12... First rectifier circuit, 13... Switching circuit, 14... Step-up transformer, 17... Second rectifier circuit, 25... Chopper circuit, 26... Current detection resistor, 27...Control circuit.
Claims (1)
流回路と、この整流回路の直流出力信号をスイツ
チングするスイツチング回路と、スイツチングさ
れた信号を昇圧する昇圧トランスと、この昇圧ト
ランスの出力を整流する第２の整流回路と、この
第２の整流回路の出力電圧で充電されるコンデン
サとを含み、コンデンサの両端に高電圧を得る高
圧電源装置において、 前記第１の整流回路と前記スイツチング回路間
に電流検出回路と、前記第１の整流回路の出力を
チヨツピングするチヨツパ回路と、前記電流検出
回路で検出される電流に応じ、前記チヨツパ回路
を通して流れる入力突入電流を抑制するように制
御する制御回路とを設けたことを特徴とする高圧
電源装置。[Claims for Utility Model Registration] A first rectifier circuit that receives and rectifies a commercial power supply voltage, a switching circuit that switches a DC output signal of this rectifier circuit, and a step-up transformer that steps up the switched signal. A high-voltage power supply device that includes a second rectifier circuit that rectifies the output of the step-up transformer and a capacitor that is charged with the output voltage of the second rectifier circuit, and that obtains a high voltage across the capacitor. A current detection circuit is provided between the rectifier circuit and the switching circuit, a chopper circuit that tips the output of the first rectifier circuit, and an input inrush current flowing through the chopper circuit is suppressed according to the current detected by the current detection circuit. 1. A high-voltage power supply device comprising: a control circuit for controlling the power supply to
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6265889U JPH033183U (en) | 1989-05-30 | 1989-05-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6265889U JPH033183U (en) | 1989-05-30 | 1989-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033183U true JPH033183U (en) | 1991-01-14 |
Family
ID=31592010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6265889U Pending JPH033183U (en) | 1989-05-30 | 1989-05-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000324807A (en) * | 1999-05-10 | 2000-11-24 | Seiko Instruments Inc | Switching regulator |
| JP2008148471A (en) * | 2006-12-12 | 2008-06-26 | Shihen Tech Corp | High voltage power supply |
-
1989
- 1989-05-30 JP JP6265889U patent/JPH033183U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000324807A (en) * | 1999-05-10 | 2000-11-24 | Seiko Instruments Inc | Switching regulator |
| JP2008148471A (en) * | 2006-12-12 | 2008-06-26 | Shihen Tech Corp | High voltage power supply |