JPS5911509U

JPS5911509U - Power cutoff device

Info

Publication number: JPS5911509U
Application number: JP10735882U
Authority: JP
Inventors: 片山　立
Original assignee: 三洋電機株式会社
Priority date: 1982-07-14
Filing date: 1982-07-14
Publication date: 1984-01-24

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 the drawing]

図面はこの考案の電源遮断装置の１実施例を示し、第１
図はブロック図、第２図は検出部の結線図、第３図ａ、
　ｂは検出部の動作説明用の波形図、第４図ａ、　　ｂ
はタイマ部の動作説明用の波形図、第５図は遮断部の結
線図、第６図ａ、　　ｂは遮断部の動作説明用の波形図
である。２・・・増幅回路、４・・・主回路部、５・・・電源部
、７・・・遮断部、８・・・遮断解除スイッチ部、ｇａ
、　　８ｂ・・・遮断解除スイッチ、９・・・検出部、
１０・・・タイマ部。The drawing shows one embodiment of the power cutoff device of this invention.
The figure is a block diagram, Figure 2 is a wiring diagram of the detection section, Figure 3 a,
b is a waveform diagram for explaining the operation of the detection unit, Fig. 4 a, b
5 is a waveform diagram for explaining the operation of the timer section, FIG. 5 is a wiring diagram of the cutoff section, and FIGS. 6a and 6b are waveform diagrams for explaining the operation of the cutoff section. 2... Amplifier circuit, 4... Main circuit section, 5... Power supply section, 7... Cutoff section, 8... Cutoff release switch section, ga
, 8b... cutoff release switch, 9... detection section,
10...Timer section.

Claims

[Scope of Claim for Utility Model Registration] ■ A main circuit section having an input signal amplification circuit, a power supply section that supplies DC power to the main circuit section, and a detection circuit that detects when the input signal is below a predetermined reference level. a detection unit that outputs a signal; a timer unit that is activated by the detection signal and outputs a cutoff command signal when the detection signal continues to be input for a predetermined set time; and a timer unit that outputs a cutoff command signal in response to the cutoff command signal; A power cutoff device equipped with a cutoff section that cuts off the power. (2) The power cutoff device according to claim 1 of the utility model registration claim, which is provided with a cutoff release switch for canceling the cutoff of power supply by the cutoff part.