JPS6298487U

JPS6298487U -

Info

Publication number: JPS6298487U
Application number: JP19064685U
Authority: JP
Priority date: 1985-12-11
Filing date: 1985-12-11
Publication date: 1987-06-23

Description

[Brief explanation of drawings]

第１図は、本考案の実施例を示すブロツク図、
第２図は、実施例の要部を示す回路図、第３図は
、従来例を示すブロツク図である。主要部分の符号の説明４……スイツチング回路
、６，６ａ，６ｂ……スイツチングトランス、７
，７ａ，７ｂ……整流平滑回路、１１……制御回
路。 FIG. 1 is a block diagram showing an embodiment of the present invention;
FIG. 2 is a circuit diagram showing the main parts of the embodiment, and FIG. 3 is a block diagram showing a conventional example. Explanation of symbols of main parts 4... Switching circuit, 6, 6a, 6b... Switching transformer, 7
, 7a, 7b... Rectifying and smoothing circuit, 11... Control circuit.

Claims

[Claims for Utility Model Registration] (1) AC power supply means for supplying AC power of a magnitude according to a control command to the primary coils of each of a first polarizing transformer and a second depolarizing transformer; , a first half-wave rectifying and smoothing circuit that half-wave rectifies and smoothes the induced voltage of the secondary coil of the first transformer;
a second half-wave rectifying and smoothing circuit that half-wave rectifies and smoothes the induced voltage of the secondary coil of the transformer; and a control circuit that obtains the control command based on the output voltage of the first half-wave rectifying and smoothing circuit. A power supply circuit characterized by: (2) The power supply circuit according to claim 1, wherein the AC power supply means comprises a chopper circuit that supplies a pulse voltage with a duty ratio according to the control command.