JPS6329386U

JPS6329386U -

Info

Publication number: JPS6329386U
Application number: JP12257386U
Authority: JP
Priority date: 1986-08-09
Filing date: 1986-08-09
Publication date: 1988-02-26

Description

[Brief explanation of the drawing]

第１図は本考案電源回路の一実施例を示す回路
図、第２図はその要部の他の実施例を示す回路図
、第３図は従来の交直両用型機器の電源回路を示
す回路図である。８……ＡＣ電源入力部、９……第１安定化電源
回路、１０……ＤＣ電源入力部、１１……第２安
定化電源回路部、１２……制御回路部、Ｓ_１，Ｓ
_２……主スイツチ、Ｓ_３……連動スイツチ、ＲＳ
……リレースイツチ（スイツチング手段）。 Fig. 1 is a circuit diagram showing one embodiment of the power supply circuit of the present invention, Fig. 2 is a circuit diagram showing another embodiment of the main part thereof, and Fig. 3 is a circuit diagram showing a conventional power supply circuit for dual-purpose AC/DC equipment. It is a diagram. 8... AC power input section, 9... First stabilized power supply circuit, 10... DC power input section, 11... Second stabilized power supply circuit section, 12... Control circuit section, S ₁ , S
₂ ...Main switch, S ₃ ...Interlocked switch, RS
...Relay switch (switching means).

Claims

[Scope of utility model registration request]

The AC input line is connected to a first isolated stabilized power supply circuit via a main switch, the DC input line is connected to a second isolated stabilized power supply circuit via a switching means, and the first Each DC output line of the two-stabilized power supply circuit is commonly connected to a load circuit, and the voltage of the DC input line is controlled to turn on and off the switching means through a switch that interlocks with the main switch. A power supply circuit for AC/DC dual use type equipment, wherein the DC output voltage of the first stabilized power supply circuit is supplied as an ON control signal of the circuit, and the DC output voltage of the first stabilized power supply circuit is supplied as a disabling signal of the control circuit.