JPH0363035U - - Google Patents
Info
- Publication number
- JPH0363035U JPH0363035U JP12259589U JP12259589U JPH0363035U JP H0363035 U JPH0363035 U JP H0363035U JP 12259589 U JP12259589 U JP 12259589U JP 12259589 U JP12259589 U JP 12259589U JP H0363035 U JPH0363035 U JP H0363035U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- resistor
- chopper circuit
- rectifier
- supply device
- 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
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Protection Of Static Devices (AREA)
Description
第１図は本考案の電源装置の回路図、第２図は
従来の電源装置の回路図である。
２……スイツチ、３……チヨークコイル、４…
…整流器、７……昇圧チヨツパ回路、１０……誤
差増幅器、１１……掛算器、１２……変流器、１
３……差動増幅器、１４……ＰＷＭ制御回路、１
５……限流用抵抗、１６……抵抗短絡用スイツチ
。
FIG. 1 is a circuit diagram of a power supply device according to the present invention, and FIG. 2 is a circuit diagram of a conventional power supply device. 2...Switch, 3...Chiyoke coil, 4...
... Rectifier, 7 ... Step-up chopper circuit, 10 ... Error amplifier, 11 ... Multiplier, 12 ... Current transformer, 1
3...Differential amplifier, 14...PWM control circuit, 1
5... Current limiting resistor, 16... Resistor short circuit switch.
Claims (1)
チヨツパ回路を接続してその直流出力電圧を定電
圧制御するとともに、前記昇圧チヨツパ回路のス
イツチのオン、オフ比を制御して交流入力電流を
正弦波状にする電源装置において、前記整流器と
昇圧チヨツパ回路との間に限流用抵抗とこの限流
用抵抗を短絡する抵抗短絡用スイツチとを介挿し
、かつ前記昇圧チヨツパ回路内のチヨークコイル
に補助２次巻線を設け、昇圧チヨツパ回路の昇圧
動作時に前記抵抗短絡用スイツチをオンさせるト
リガ信号を送出するとともに、昇圧動作停止時に
前記抵抗短絡用スイツチをオフさせるトリガ回路
を備えたことを特徴とする電源装置。 (2) 交流入力側にサーキツトブレーカーを挿入
し、出力短絡を検出してサーキツトブレーカーを
オフさせるようにしたことを特徴とする請求項第
１項記載の電源装置。[Claims for Utility Model Registration] (1) A step-up chopper circuit is connected to the output side of a rectifier that directly rectifies alternating current, and the DC output voltage is controlled at a constant voltage, and the on/off ratio of the switch of the step-up chopper circuit is controlled. In the power supply device, a current limiting resistor and a resistor shorting switch for shorting the current limiting resistor are inserted between the rectifier and the boost chopper circuit, and a resistor shorting switch that shorts the current limiting resistor is inserted between the rectifier and the boost chopper circuit. An auxiliary secondary winding is provided in the booster coil in the circuit, and a trigger circuit is provided that sends out a trigger signal to turn on the resistor shorting switch during boosting operation of the booster chopper circuit, and turns off the resistor shorting switch when boosting operation is stopped. A power supply device characterized by: (2) The power supply device according to claim 1, wherein a circuit breaker is inserted on the AC input side, and the circuit breaker is turned off when an output short circuit is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12259589U JPH0363035U (en) | 1989-10-18 | 1989-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12259589U JPH0363035U (en) | 1989-10-18 | 1989-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0363035U true JPH0363035U (en) | 1991-06-20 |
Family
ID=31670591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12259589U Pending JPH0363035U (en) | 1989-10-18 | 1989-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0363035U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58168112A (en) * | 1982-03-30 | 1983-10-04 | Fujitsu Denso Ltd | Power supply device |
| JPS63178763A (en) * | 1987-01-19 | 1988-07-22 | Mitsubishi Electric Corp | Dc power supply device |
| JPH01152964A (en) * | 1987-12-09 | 1989-06-15 | Fuji Elelctrochem Co Ltd | Power unit |
-
1989
- 1989-10-18 JP JP12259589U patent/JPH0363035U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58168112A (en) * | 1982-03-30 | 1983-10-04 | Fujitsu Denso Ltd | Power supply device |
| JPS63178763A (en) * | 1987-01-19 | 1988-07-22 | Mitsubishi Electric Corp | Dc power supply device |
| JPH01152964A (en) * | 1987-12-09 | 1989-06-15 | Fuji Elelctrochem Co Ltd | Power unit |