JPS6042046U

JPS6042046U - emergency power supply

Info

Publication number: JPS6042046U
Application number: JP13121383U
Authority: JP
Inventors: 原口　一則
Original assignee: 松下電工株式会社
Priority date: 1983-08-25
Filing date: 1983-08-25
Publication date: 1985-03-25

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図は従来の非常用電源装置の回路図、第２図はこの
考案の一実施例の回路図、第３図Ａ。Ｂ、Ｃはその動作説明のための波形図、第４図はこの考
案の他の実施例の回路図である。Ｔ　Ｒ１・・・電源トランス、ＣＨ・・・充電器、ＢＴ
・・・蓄電池、ＲＹ□・・・停電検知リレー、ｒｙ□・
・・リレー接点、Ｏ２０・・・インバータ発振回路、Ｉ
ＮＶ・・・インバータ回路本体、ＴＲ２・・・昇圧トラ
ンス、Ｑ□。Ｑ２・・・スイッチングトランジスタ、Ｄ□、Ｄ２・・
・ダイオード、ＲＹ２・・・電圧検知リレー、ｒｙ２・
・・リレー接点。FIG. 1 is a circuit diagram of a conventional emergency power supply device, FIG. 2 is a circuit diagram of an embodiment of this invention, and FIG. 3A. B and C are waveform diagrams for explaining the operation, and FIG. 4 is a circuit diagram of another embodiment of this invention. T R1...Power transformer, CH...Charger, BT
...Storage battery, RY□...Power failure detection relay, ry□・
...Relay contact, O20...Inverter oscillation circuit, I
NV...Inverter circuit main body, TR2...Step-up transformer, Q□. Q2...Switching transistor, D□, D2...
・Diode, RY2...Voltage detection relay, ry2・
...Relay contact.

Claims

[Scope of utility model registration request]

(1) A power input terminal, a charger to which a commercial power supply voltage is applied from the power input terminal, a storage battery charged by the charger, and an inverter oscillation circuit that operates with power supplied from the storage battery during a power outage of the commercial power supply. , an inverter circuit comprising a switching element that turns on and off in response to the oscillation output of the inverter oscillation circuit, a transformer whose primary winding is supplied with power from the storage battery via the switching element, and a secondary winding of the transformer. a power output terminal provided in the inverter oscillator circuit, a voltage detection means for detecting an abnormal increase in voltage of the inverter circuit, and a switch for cutting off power input to the inverter oscillation circuit in response to detection of an abnormal voltage increase by the voltage detection means. Equipped with an emergency power supply.

(2) The emergency power supply device according to claim (1), wherein the voltage detection means detects the input voltage to the inverter circuit.

(3) The voltage detection means is configured to detect the induced voltage of the transformer.Claim No. (1) of the Utility Model Registration
Emergency power supply as described in section.