JPH033185U

JPH033185U -

Info

Publication number: JPH033185U
Application number: JP6335589U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-14

Description

[Brief explanation of drawings]

第１図は本考案の原理的なブロツク図、第２図
は本考案の一実施例の構成ブロツク図、第３図は
チヨークコイルに設けた探りコイルの出力を積分
する積分手段の出力波形図、第４図は負荷電流と
積分電圧との関係を示す線図とコンパレータの出
力を示す図、第５図は主出力と従出力の二以上の
直流出力を得るように構成された従来公知の多出
力直流安定化電源装置の構成概念図である。ｅｉｎ……入力交流電源、２……整流平滑回路
、２……トランス、３……主出力回路、４……従
出力回路、４１……整流平滑回路、４２……積分
手段、４３……コンパレータ、Ｌ２……チヨーク
コイル、Ｎ２……探りコイル、ＲＬ……アクテイ
ブダミー回路。 Fig. 1 is a basic block diagram of the present invention, Fig. 2 is a configuration block diagram of an embodiment of the present invention, Fig. 3 is an output waveform diagram of an integrating means for integrating the output of a probe coil provided in a check coil. FIG. 4 is a diagram showing the relationship between load current and integrated voltage and a diagram showing the output of the comparator, and FIG. 5 is a diagram showing a diagram showing the relationship between load current and integrated voltage. FIG. 2 is a conceptual diagram of the configuration of an output DC stabilized power supply device. ein... Input AC power supply, 2... Rectifier and smoothing circuit, 2... Transformer, 3... Main output circuit, 4... Sub output circuit, 41... Rectifier and smoothing circuit, 42... Integrating means, 43... Comparator , L2...Chiyoke coil, N2...Search coil, RL...Active dummy circuit.

Claims

[Claims for Utility Model Registration] Input AC power is rectified and smoothed, the DC voltage is turned on and off by a switching element and applied to the primary winding of a transformer, and the signal generated in the secondary winding is rectified and smoothed. A multi-output DC stabilized power supply device that obtains at least two or more DC outputs, a main output and a secondary output, wherein the circuit that obtains the secondary output includes a rectifying and smoothing circuit including a chiyoke coil through which a load current flows; An active dummy circuit connected to the output terminal, an integrating means for integrating the output of the probe coil provided in the chiyoke coil, and a comparator for detecting when the output amplitude of the integrating means has become below a certain value, A multi-output DC stabilized power supply device, characterized in that the active dummy is controlled according to the output of a comparator.