KR960036572A

KR960036572A - TV's short protector

Info

Publication number: KR960036572A
Application number: KR1019950007354A
Authority: KR
Inventors: 고춘석
Original assignee: 배순훈; 대우전자 주식회사
Priority date: 1995-03-31
Filing date: 1995-03-31
Publication date: 1996-10-28

Abstract

본 발명은 텔레비젼의 쇼트 보호 장치에 관한 것으로, 전류를 공급하는 전원 공급부(20); 상기 전원 공급부(20)에서 공급된 교류를 정류하여 직류로 변환시키는 전원 회로부(21); 상기 전원 회로부(21)를 통해 나오는 출력을 받아 일정한 전압치로 출력시키는 레규레이터(23); 상기 레규레이터(23)에서 출력되는 일정한 전압을 받는 제1부하(25); 쇼트가 발생하면 이를 감지하는 쇼트 감지부(26); 상기 쇼트 감지부(26)의 출력에 의해 텔레비젼의 전원을 차단하는 차단 회로부(28)로 구성되어 쇼트시 전원을 차단하여 텔레비젼이 오동작하는 것을 막을 수 있는 효과가 있다.The present invention relates to a short protection device of a television, comprising: a power supply unit (20) for supplying current; A power circuit unit 21 for rectifying and converting the alternating current supplied from the power supply unit 20 into direct current; A regulator (23) for receiving an output from the power supply circuit unit (21) and outputting it to a constant voltage value; A first load 25 receiving a constant voltage output from the regulator 23; A short detector 26 for detecting a short when it occurs; The output of the short detection unit 26 is composed of a cut-off circuit unit 28 to cut off the power of the television has the effect that can prevent the TV from malfunctioning by cutting off the power when the short.

Description

TV's short protector

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도(가)는 병렬형 전압 안정 회로를 나타낸 도면, (나)는 직렬항 전압 안정 회로를 나타낸 도면, 제2도는 종래의 쇼트 보호 장치를 나타낸 블럭도, 제3도는 본 발명에 따른 쇼트 보호 장치의 실시예를 나타낸 도면이다.1 is a diagram showing a parallel voltage stabilization circuit, (b) is a diagram showing a series voltage stabilizer circuit, FIG. 2 is a block diagram showing a conventional short protection device, and FIG. 3 is a short circuit according to the present invention. It is a figure which shows the Example of a protection apparatus.

Claims

A short protection device for blocking an overcurrent when a short occurs in a television, comprising: a short detection unit 26 for detecting a short when it occurs and outputting a short detection signal; And a cut-off circuit section (28) which cuts off the power of the television according to the short detection signal of the short detection section (26).

The circuit of claim 1, wherein the short detector includes: a transistor (Q1) receiving a current; A first resistor (R1) connected in parallel between the emitter and the base of the transistor (Q1); A second resistor R2 connected in series with the first resistor; And a third resistor (R3) connected in series with the collector of the transistor (Q1) and whose end is grounded and grounded.

※ Note: The disclosure is based on the initial application.