JPS6142611U

JPS6142611U - power supply

Info

Publication number: JPS6142611U
Application number: JP12437884U
Authority: JP
Inventors: 育夫勝又
Original assignee: カルソニックカンセイ株式会社
Priority date: 1984-08-16
Filing date: 1984-08-16
Publication date: 1986-03-19
Also published as: JPH0517690Y2

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図は本考案の一実施例を示す電源回路の構成図、第
２図は第１図の回路や出力電圧を示す動作説明図、第３
図ないし第８図は本考案の他の実施例を示す電源回路の
構成図、第９図及び第１１図は従来の電源回路の構成図
、第１０図及び第１２図は夫々第９図、第１１図の出力
電圧を示す動作説明−図である。１・・・バツテリ電源ミ２・・・・・・電源スイッチ、
３・・・電源装置、４・・・負荷回路、５・・・・定電
圧回路、６・・・入力平滑用コンデンサ、７・・・出力
平滑用コンデンサ、８・・・電圧検知回路、９・・・放
電回路、１０・・・コンデンサ、１１・・・ダイオード
、１２・・・トランジスタ、１３・・・抵抗、１４，１
４’・・・串力短絡用トランジスタ。Fig. 1 is a configuration diagram of a power supply circuit showing an embodiment of the present invention, Fig. 2 is an operation explanatory diagram showing the circuit of Fig. 1 and output voltage, and Fig. 3
8 to 8 are block diagrams of power supply circuits showing other embodiments of the present invention, FIGS. 9 and 11 are block diagrams of conventional power supply circuits, and FIGS. 10 and 12 are respectively FIG. FIG. 12 is an operation explanation diagram showing the output voltage of FIG. 11; 1...Battery power supply 2...Power switch,
3... Power supply device, 4... Load circuit, 5... Constant voltage circuit, 6... Input smoothing capacitor, 7... Output smoothing capacitor, 8... Voltage detection circuit, 9 ...discharge circuit, 10...capacitor, 11...diode, 12...transistor, 13...resistance, 14,1
4'... Transistor for skewer short circuit.

Claims

[Scope of utility model registration request]

The unregulated voltage of the unregulated power supply 1 is stabilized and the load circuit 4
In a power supply device comprising a constant voltage circuit 5 that supplies a constant voltage to
1 is inserted between the output terminal of the constant voltage circuit 5 and the ground so that the non-diode terminal of the capacitor 10 is connected to either the output terminal of the constant voltage circuit 5 or the ground. Output short-circuiting transistors 14 and 14' which short-circuit the output terminals of the voltage circuit 5a to form a discharge path have their emitters connected to either the output terminal of the constant voltage circuit 5 or the ground, and their collectors connected to the A base is inserted between the output terminal of the constant voltage circuit 5 and the ground so as to be connected to the other of the output terminal of the constant voltage circuit 5 or the ground, and a base is connected to the other of the output terminal of the constant voltage circuit 5 or the ground. The emitter and collector of the connected transistor 12, 12' are connected to the capacitor 10 and the diode 11.
Raw connection point and output short circuit transistor: xl2.12
'<7) A power supply device characterized in that it is connected to a base.