JPS58131191U

JPS58131191U - Voltage doubler rectifier circuit

Info

Publication number: JPS58131191U
Application number: JP2568582U
Authority: JP
Inventors: 銭谷　健造; 酒井　道夫
Original assignee: 株式会社東芝
Priority date: 1982-02-26
Filing date: 1982-02-26
Publication date: 1983-09-05

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

[Brief explanation of the drawing]

第１図は従来の倍電圧整流回路の回路図、第２図は本考
案に係る倍電圧整流回路の回路図である。１・・・・・・全波整流回路、２Ｂ・・・・・・検出回
路、３・・・・・・ＳＣＲを用いた倍電圧整流を行うた
めの回路、ＡＣ・・・・・・交流電源、ｃｌ、　ｃ２．
　ｃ３．　ｃ、・・・・・・電解コンデンサ、Ｄ工、　
Ｄ２．　Ｄ３．　Ｄ４．　Ｄ６．　Ｄ６．　Ｄ７．　Ｄ
９゜Ｄｌｏ・・・・・・ダイオード、Ｄ８．Ｄｌｌ・・
・・・・ツェナ・ダイオ　−ド、Ｑｌ・・・・・・制御
用トランジスタ、Ｑ３・・・・・・電流増幅用トランジ
スタ、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５・・・・・・抵抗
、■・・・・・・ツェナ電圧、ＶＢＥ・・・・・−Ｑ、
のベース・エミッタ間電圧。FIG. 1 is a circuit diagram of a conventional voltage doubler rectifier circuit, and FIG. 2 is a circuit diagram of a voltage doubler rectifier circuit according to the present invention. 1...Full wave rectification circuit, 2B...Detection circuit, 3...Circuit for voltage doubler rectification using SCR, AC...Alternating current power supply, cl, c2.
c3. c,... Electrolytic capacitor, D engineering,
D2. D3. D4. D6. D6. D7. D
9゜Dlo...Diode, D8. Dll...
... Zener diode, Ql ... control transistor, Q3 ... current amplification transistor, R1, R2, R3, R4, R5 ... resistance, ■・・・Zena voltage, VBE・・・−Q,
base-emitter voltage.

Claims

[Scope of utility model registration request]

(1) A rectifier circuit connected to an AC power supply, a voltage doubler rectifier circuit using an SCR, and a voltage doubler rectifier circuit connected to the AC power supply and the SCR of the voltage doubler rectifier circuit to detect the AC power supply voltage and the level of the detected voltage. In the power supply circuit, the power supply circuit includes a detection circuit that turns on and off the SCR according to the voltage, and obtains a rectified output from a series-connected capacitor circuit. a voltage doubler rectifier circuit comprising a Zener diode and a transistor to which the detection voltage is applied, which is controlled by the control transistor, and which drives the SCR. .

(2) The constant voltage circuit is configured by connecting the base of the transistor to the cathode of the Zener diode, and applies the detection voltage between the anode of the Zener diode and the collector of the transistor; The collector and emitter of the control transistor are connected to both ends of the Zener diode, and the detection voltage is applied to the cathode of the Zener diode through a resistor, and a part of the detection voltage is applied to the base of the control transistor. 2. The voltage doubler rectifier circuit according to claim 1, wherein the emitter of the transistor is connected to the gate of the SCR of the voltage doubler rectifier circuit.