KR960001957A - High Voltage Generation Circuit of Monitor - Google Patents

High Voltage Generation Circuit of Monitor Download PDF

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Publication number
KR960001957A
KR960001957A KR1019940014183A KR19940014183A KR960001957A KR 960001957 A KR960001957 A KR 960001957A KR 1019940014183 A KR1019940014183 A KR 1019940014183A KR 19940014183 A KR19940014183 A KR 19940014183A KR 960001957 A KR960001957 A KR 960001957A
Authority
KR
South Korea
Prior art keywords
voltage
circuit
high voltage
output
monitor
Prior art date
Application number
KR1019940014183A
Other languages
Korean (ko)
Other versions
KR0123417B1 (en
Inventor
윤병남
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 KR1019940014183A priority Critical patent/KR0123417B1/en
Publication of KR960001957A publication Critical patent/KR960001957A/en
Application granted granted Critical
Publication of KR0123417B1 publication Critical patent/KR0123417B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
    • H04N3/19—Arrangements or assemblies in supply circuits for the purpose of withstanding high voltages

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
  • Dc-Dc Converters (AREA)

Abstract

본 발명은 모니터에 관한 것으로서, 입력되는 전원의 과전류를 방지하여 화면의 전체 밝기를 제어하기 위하여 발생된 고정압의 안정화시킬 수 있는 모니터의 고압 발생회로에 관한 것이다. 이와같은 본 발명은 입력회로에서 출력되는 전압이 오픈되거나 고압 트랜스포머가 오픈이나 쇼트되어 출력회로에서 출력되는 전압이 낮을 때 상기 입력회로의 출력전압을 고압 안정화 회로에 인가시켜 입력 회로의 출력전압의 크기를 제어하는 과전압방지회로가 더 포함된다.The present invention relates to a monitor, and relates to a high-voltage generating circuit of a monitor capable of stabilizing a fixed pressure generated to prevent overcurrent of an input power source and to control overall brightness of a screen. As described above, the present invention applies the output voltage of the input circuit to the high voltage stabilization circuit when the voltage output from the input circuit is open or the high voltage transformer is open or short, so that the output voltage of the output circuit is low. It further includes an overvoltage protection circuit for controlling the.

Description

모니터의 고압 발생회로High Voltage Generation Circuit of Monitor

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

제2도는 본 발명에 적용되는 모니터의 고압 발생회로의 구성을 보인 도면.2 is a view showing the configuration of a high-voltage generating circuit of the monitor applied to the present invention.

Claims (2)

입력되는 수평 동기신호에 의해 절환되는 스위칭 상태에 따라 입력회로에서 출력되는 전압을 고압으로 발생시키고, 출력회로에서 출력되는 고압을 고압 안정화 회로에서 검출하여 입력회로에서 출력되는 전압의 크기를 제어하는 모니터의 고압 발생회로에 있어서, 상기 입력회로에서 출력되는 전압이 오픈되거나 고압 트랜스포머가 오픈이나 쇼트되어 출력회로에서 출력되는 전압이 낮을 때 상기 입력회로의 출력전압을 고압 안정화회로에 인가시켜 입력회로의 출력전압의 크기를 제어하는 과전압 방지회로가 더 포함됨을 특징으로 하는 모니터의 고압 발생회로.Monitor to control the magnitude of the voltage output from the input circuit by generating the voltage output from the input circuit at high voltage according to the switching state switched by the horizontal sync signal input, and detecting the high voltage output from the output circuit at the high voltage stabilization circuit. In the high voltage generating circuit of the circuit, when the voltage output from the input circuit is opened or the high voltage transformer is open or shorted and the voltage output from the output circuit is low, the output voltage of the input circuit is applied to the high voltage stabilization circuit to output the input circuit. The high voltage generation circuit of the monitor, characterized in that it further comprises an overvoltage protection circuit for controlling the magnitude of the voltage. 제1항에 있어서, 상기 과전압 방지회로는 상기 고압 트랜스포머의 1차측 코일에 의해 여자된 후 그 여자된 전압을 정류시키고, 충전시키는 고전압 검출부(51)와, 상기 고전압 검출부에서 검출된 전압을 분배시키는 전압분배부(52)와, 상기 입력회로에서 출력되는 전압을 분배시키는 전압분배부(53)와, 상기 분배부(52)에서 출력되는 전압이 고전압이면, 턴온되어 전압분배부(53)의 분배된 과전압을 뮤트시키고, 분배된 전압이 저전압일때 턴오프되어 전압 분배부(53)의 분배된 입력회로이 출력전압을 고압 안정화 회로에 인가시키는 스위칭부(54)로 구성됨을 특징으로 하는 모니터의 고압 발생회로.2. The high voltage detection circuit of claim 1, wherein the overvoltage prevention circuit is configured to rectify and charge the excited voltage after being excited by the primary coil of the high voltage transformer, and to distribute the voltage detected by the high voltage detection unit. If the voltage divider 52, the voltage divider 53 for distributing the voltage output from the input circuit, and the voltage output from the divider 52 are high voltage, they are turned on to distribute the voltage divider 53. Generating a high voltage of the monitor, characterized in that the overvoltage is muted and the divided input circuit of the voltage divider 53 is turned off when the divided voltage is low Circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940014183A 1994-06-22 1994-06-22 A high voltage generating circuits in a monitor KR0123417B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940014183A KR0123417B1 (en) 1994-06-22 1994-06-22 A high voltage generating circuits in a monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940014183A KR0123417B1 (en) 1994-06-22 1994-06-22 A high voltage generating circuits in a monitor

Publications (2)

Publication Number Publication Date
KR960001957A true KR960001957A (en) 1996-01-26
KR0123417B1 KR0123417B1 (en) 1997-11-18

Family

ID=19385867

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940014183A KR0123417B1 (en) 1994-06-22 1994-06-22 A high voltage generating circuits in a monitor

Country Status (1)

Country Link
KR (1) KR0123417B1 (en)

Also Published As

Publication number Publication date
KR0123417B1 (en) 1997-11-18

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