KR970004772A - Heater drive of monitor - Google Patents

Heater drive of monitor Download PDF

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Publication number
KR970004772A
KR970004772A KR1019950017799A KR19950017799A KR970004772A KR 970004772 A KR970004772 A KR 970004772A KR 1019950017799 A KR1019950017799 A KR 1019950017799A KR 19950017799 A KR19950017799 A KR 19950017799A KR 970004772 A KR970004772 A KR 970004772A
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KR
South Korea
Prior art keywords
heater
power
transistor
mode switching
controlling
Prior art date
Application number
KR1019950017799A
Other languages
Korean (ko)
Inventor
황기봉
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950017799A priority Critical patent/KR970004772A/en
Publication of KR970004772A publication Critical patent/KR970004772A/en

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Abstract

본 발명은 파워 세이빙모드가 가능한 모니터에 관한 것으로서, 특히 파워세이빙모드시 모드절환신호가 고전 위 상태로 입력되는 경우 히터의 구동을 정지시킴으로써, 히터의 파손을 방지할 수 있는 모니터의 히터구동회로를 제공하고자 함에 있다. 이와 같은 본 발명은 히터(H)에 인가되는 전압의 이상을 감지하는 전원감지부(30)와, 전원감지부(30)의 출력신호에 의해 모드절환신호(CL)를 제어하는 모드절환신호 제어부(40)와, 전원감지부(30)의 출력신호에 의해 히터(H)에 인가되는 전원을 제어하는 전원제어부(50)가 더 포함된다.The present invention relates to a monitor capable of a power saving mode. In particular, a heater driving circuit of a monitor capable of preventing damage to the heater by stopping driving of the heater when the mode switching signal is input in a high potential state in the power saving mode is provided. To provide. The present invention as described above is a mode switching signal control unit for controlling the mode switching signal CL by the power detection unit 30 for detecting the abnormality of the voltage applied to the heater (H), and the output signal of the power detection unit (30). 40 and a power control unit 50 for controlling the power applied to the heater H by the output signal of the power detection unit 30 is further included.

Description

모니터의 히터구동장치Heater drive of monitor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 모니터의 히터구동장치의 구성을 보인 도면.2 is a view showing the configuration of a heater driving device of a monitor according to the present invention.

Claims (4)

트랜스포머(T)의 2차측 제1코일(L1)의 여자전압을 모드절환신호(CL)에 따라 히터(H)에 인가시키는 제1출력부(10)와 트랜스포머(T)의 2차측 제2코일(L2)의 여자전압을 히터(H)에 인가시키는 제2출력부(20)로 구성된 모니터의 히터구동장치에 있어서, 히터(H)에 인가되는 전원의 이상을 감지하는 전원감지부(30)와, 상기 전원감지부(30)의 출력신호에 의해 모드절환신호(CL)를 제어하는 모드절환신호 제어부(40)와, 상기 전원감지부(30)의 출력신호에 의해 히터(H)에 인가되는 전원을 제어하는 전원제어부(50)가 더 포함됨을 특징으로 하는 모니터의 히터구동장치.The first output unit 10 for applying the excitation voltage of the secondary side first coil L1 of the transformer T to the heater H according to the mode switching signal CL and the secondary side secondary coil of the transformer T. In the heater driving device of the monitor consisting of the second output unit 20 for applying the excitation voltage of (L2) to the heater (H), the power detection unit (30) for detecting the abnormality of the power applied to the heater (H) And a mode switching signal controller 40 for controlling the mode switching signal CL according to the output signal of the power detection unit 30, and applied to the heater H by the output signal of the power detection unit 30. The heater driving device of the monitor, characterized in that it further comprises a power control unit 50 for controlling the power. 제1항에 있어서, 상기 전원감지부(30)는 히터(H)에 인가되는 전원을 바이어스시키는 저항(R31)과, 상기 저항(R31)의 출력신호 및 설정전압(Vref)를 비교하여 비교신호를 출력하는 비교기(COM31)로 구성됨을 특징으로 하는 모니터의 히터구동장치.The method of claim 1, wherein the power detector 30 compares a resistor R31 for biasing a power applied to the heater H, an output signal of the resistor R31, and a set voltage Vref. Heater drive of the monitor, characterized in that consisting of a comparator (COM31) for outputting. 제1항에 있어서, 상기 모드절환신호 제어부(40)는 상기 제1출력부(10)에 인가하는 모드절환신호(CL)를 제어하는 트랜지스터(Q41)와, 상기 트랜지스터(Q41)의 구동전류를 제어하는 저항(R41)으로 구성됨을 특징으로 하는 모니터의 히터구동장치.The transistor of claim 1, wherein the mode switching signal control unit 40 controls the transistor Q41 for controlling the mode switching signal CL applied to the first output unit 10, and the driving current of the transistor Q41. Heater drive device of the monitor, characterized in that consisting of a resistor (R41) to control. 제1항에 있어서, 상기 전원제어부(50)는 상기 전원감지부(30)의 비교신호에 의해 스위칭하는 트랜지스터(Q51)와, 상기 트랜지스터(Q51)의 구동전류를 제어하는 저항(R51)과, 상기 트랜지스터(Q51)의 스위칭상태에 의해 트랜지스터(Q51)에 흐르는 전류를 제어하는 저항(R52) 및 제너다이오드(ZD51)로 구성됨을 특징으로 하는 모니터의 히터구동장치.According to claim 1, wherein the power supply control unit 50 is a transistor (Q51) for switching by the comparison signal of the power detection unit 30, a resistor (R51) for controlling the drive current of the transistor (Q51), And a resistor (R52) and a zener diode (ZD51) for controlling the current flowing through the transistor (Q51) by the switching state of the transistor (Q51). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950017799A 1995-06-28 1995-06-28 Heater drive of monitor KR970004772A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950017799A KR970004772A (en) 1995-06-28 1995-06-28 Heater drive of monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950017799A KR970004772A (en) 1995-06-28 1995-06-28 Heater drive of monitor

Publications (1)

Publication Number Publication Date
KR970004772A true KR970004772A (en) 1997-01-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950017799A KR970004772A (en) 1995-06-28 1995-06-28 Heater drive of monitor

Country Status (1)

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KR (1) KR970004772A (en)

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