JPS63156586U

JPS63156586U -

Info

Publication number: JPS63156586U
Application number: JP5007387U
Authority: JP
Priority date: 1987-04-02
Filing date: 1987-04-02
Publication date: 1988-10-13

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す直流電源装
置の構成図、第２図は従来の直流電源装置の構成
図である。図において、１は１次電源、２は第１の制御回
路、３はトランジスタ、４はトランス、５は第１
の整流平滑回路、６は第１のコンデンサ、７は第
２の整流平滑回路、８は第２のコンデンサ、９は
電力スイツチ回路、１０はダイオード、１１は抵
抗、１２は磁気増幅器、１３は第２の制御回路で
ある。なお、図中同一符号は同一または相当部分
を示す。 FIG. 1 is a block diagram of a DC power supply device showing an embodiment of this invention, and FIG. 2 is a block diagram of a conventional DC power supply device. In the figure, 1 is a primary power supply, 2 is a first control circuit, 3 is a transistor, 4 is a transformer, and 5 is a first control circuit.
6 is a first capacitor, 7 is a second rectifier and smoothing circuit, 8 is a second capacitor, 9 is a power switch circuit, 10 is a diode, 11 is a resistor, 12 is a magnetic amplifier, 13 is a second rectifier and smoothing circuit. This is the second control circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A transistor that turns on and off current by a switch operation; one end of a primary winding is connected to the collector of the transistor;
a transformer having a secondary winding; a first control circuit that performs on/off control of the transistor; and a first control circuit that rectifies and smoothes the output of one secondary winding of the transformer.
a rectifying and smoothing circuit of the transformer; a first capacitor connected to the other end of the primary winding of the transformer and supplying pulse power; a primary power supply supplying power to the first capacitor; other one 2
A magnetic amplifier connected to the output of the next winding, a second rectifying and smoothing circuit that rectifies and smoothes the output of the magnetic amplifying circuit, and an output of the second rectifying and smoothing circuit,
a second capacitor charged to a voltage higher than the output voltage of the primary power supply; a second control circuit that controls the magnetic amplifier to maintain the charging voltage of the second capacitor at a predetermined value; A DC power supply device comprising: a power switch circuit that performs a switch operation to supply energy of the second capacitor to the first capacitor when the output voltage of the primary power supply decreases.