JPS6042091U

JPS6042091U - power supply

Info

Publication number: JPS6042091U
Application number: JP13361383U
Authority: JP
Inventors: 以清延原; 光弘松田
Original assignee: 東芝ライテック株式会社
Priority date: 1983-08-31
Filing date: 1983-08-31
Publication date: 1985-03-25

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 drawings]

第１図は本考案の１実施例に係る電源装置の回路図、第
２図は本考案の他の実施例に係る電源装置の回路図、第
３図は本考案のさらに他の実施例に係る電源装置の回路
図、第４図は本考案の電源装置に突入電流抑制回路を付
加した回路図、第５〜７図ｉま第４図の変形例を示す回
路図、そして第８図は本考案の別の実施例に係る電源装
置の部分回路図である。１・・・交流電源、２・・・全波整流回路、４・・・補
助電源回路、４１．４’２・・・補助電力供給用コンデ
ンサ、４３，４４，４５，４６・・・ダイオード、４７
・・・限流用コンデンサ、５・・・インバータ、５１・
・・出カドランス、５２・・・出力トランジスタ、６・
・・負荷。FIG. 1 is a circuit diagram of a power supply device according to one embodiment of the present invention, FIG. 2 is a circuit diagram of a power supply device according to another embodiment of the present invention, and FIG. 3 is a circuit diagram of a power supply device according to another embodiment of the present invention. FIG. 4 is a circuit diagram of such a power supply device, and FIG. 4 is a circuit diagram in which an inrush current suppression circuit is added to the power supply device of the present invention, FIGS. FIG. 3 is a partial circuit diagram of a power supply device according to another embodiment of the present invention. 1... AC power supply, 2... Full wave rectifier circuit, 4... Auxiliary power supply circuit, 41.4'2... Auxiliary power supply capacitor, 43, 44, 45, 46... Diode, 47
... Current-limiting capacitor, 5... Inverter, 51.
... Output transformer, 52... Output transistor, 6.
··load.

Claims

[Claims for Utility Model Registration] 1. A first rectifier that generates pulsating output from an AC power supply; A converting device that includes a switching element that turns on and off at a high frequency and converts the pulsating output into a high-frequency output; An inductance element and a current-limiting capacitor are connected to the output end of the converter, and the inductance element and the current-limiting capacitor are connected in series to provide a positive and negative bidirectional conduction path for the current flowing through the current-limiting capacitor. a second rectifier that generates a rectified output from a current differentiated from the high frequency output through the current limiting capacitor; and an auxiliary power supply that is charged by the rectified output and can supply these charged charges to the converter. and a switch device for respectively controlling the power supply period to the converter by the auxiliary power supply capacitor, and the inductance element and the current limiting capacitor form a resonant circuit for the high frequency output. A power supply device characterized by: 2. The second rectifier includes first and second diodes that generate positive and negative rectified outputs from the differential current, respectively, and the correction power supply capacitor connects the output terminal of the first rectifier and the 2. The power supply device according to claim 1, comprising a second capacitor connected between the first and second diodes and charged by the pressure and the negative rectified output. 3. The second rectifier includes a first diode that generates a rectified output that is either positive or negative from the differential current, and a first diode that bypasses the differential current in the opposite direction to the current flowing through the first diode. 2. The power supply device according to claim 1, which comprises a diode. 4. The power supply device according to any one of claims 1 to 3, wherein the inductance element is a primary winding of an output transformer provided in the conversion device. 5. The power supply device according to any one of claims 1 to 4, wherein the conversion device is a single transistor transistor inverter. 6. The power supply device according to any one of claims 1 to 4, wherein the conversion device is a two-stone transistor inverter. 7. The conversion device is a series inverter that connects in series two switching elements that are driven on and off alternately with respect to the rectifier circuit, and outputs a high-frequency rectangular wave from a connection point of these switching elements. A power supply device according to any one of claims 1 to 3 of the utility model registration claims. 8. The conversion device includes a transistor and an output transformer in which a primary winding is connected in series with the collector/emitter of the transistor, and the first capacitor is connected to the primary winding. The current in the current limiting capacitor due to resonance with the inductance of the primary winding is charged by the output of the first diode in a positive phase, and the current of the current limiting capacitor due to resonance with the inductance of the primary winding is charged in the second capacitor. When the current is in negative phase, the second
2. The power supply device according to claim 2, wherein the power supply device is charged by the output of the diode. 9. The conversion device includes a transistor and an output transformer whose primary winding is connected in series with the collector/emitter of the transistor, and the first diode is connected to the primary winding of the transistor. The current of the current limiting capacitor due to resonance with the inductance of the wire charges the auxiliary power supply capacitor in a positive or negative phase, and the second diode charges the current limiting capacitor due to resonance with the inductance of the primary winding. 4. The power supply device according to claim 3, wherein the current of the capacitor is bypassed in a negative or positive phase. lO The conversion device comprises an output transformer and a pair of transistors whose collectors and emitters are connected in series to both ends of the primary winding of the output transformer and drive the primary winding in push-pull. At the same time, the first capacitor is connected to the first diode and the rectifier when the inductance of the primary winding of the output transformer and the resonant current of the current limiting capacitor caused by switching of the pair of transistors are in positive phase. The second capacitor is charged by the resonant current through the output of the second diode and the rectifier when the resonant current has a negative phase. A power supply device according to claim 2 of the utility model registration claim, characterized in that: 11. The conversion device includes an output transformer and a pair of transistors whose collectors and emitters are connected in series to both ends of the primary winding of the output transformer and drive the primary winding in a push-pull manner. In addition, the first diode connects the auxiliary power supply capacitor when the inductance of the primary winding of the output transformer and the resonant current of the current limiting capacitor caused by switching of the pair of transistors are in positive or negative phase. 4. The power supply device according to claim 3, wherein the second diode bypasses the resonant current when the resonant current is in a negative or positive phase. 12 Insert a parallel body of a resistor and a switch element that turns on after a certain period of time after the power is turned on into a closed circuit consisting of a rectifier, first and second capacitors, and first and second diodes to reduce the inrush current when the power is turned on. The power supply device according to any one of claims 1, 2 to 8, and (2) of the utility model registration, characterized in that the power supply device suppresses