KR970058377A - Input Current Control Circuit of Electronic Ballast Control System - Google Patents
Input Current Control Circuit of Electronic Ballast Control System Download PDFInfo
- Publication number
- KR970058377A KR970058377A KR1019950046789A KR19950046789A KR970058377A KR 970058377 A KR970058377 A KR 970058377A KR 1019950046789 A KR1019950046789 A KR 1019950046789A KR 19950046789 A KR19950046789 A KR 19950046789A KR 970058377 A KR970058377 A KR 970058377A
- Authority
- KR
- South Korea
- Prior art keywords
- output
- input current
- resistor
- terminal
- input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
- H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Inverter Devices (AREA)
Abstract
이 발명은 전자식 안정기 제어 시스템의 입력전류 제어회로에 관한 것으로서, 출력이 저항을 거쳐 (-) 단자로 궤환되며, (+) 단자는 저항을 거쳐 접지되고, 외부의 입력전류 검출회로에서 출력되어, 저항을 거쳐 입력된 전류신호를 증폭하여 출력하는 오피 앰프와; 출력이 저항을 거쳐 (-) 단자로 궤환되며, (-) 단자로 상기한 오피 앰프의 출력을 저항을 거쳐 입력받고, (+) 단자로 기준 전압을 입력받아, 두 입력의 오차를 증폭하여 출력하는 에러 앰프와; 상기한 에러 앰프의 출력을 저주파 통과 필터를 거쳐 입력받고, 특정 신호를 출력하는 전압제어 발진기와; 상기한 에러 앰프의 출력이 음극 단자에 연결된 오프셋 전원의 양극 단자가 (-) 단자에 연결되고, 상기한 에러 앰프의 출력이 저항을 거쳐 (+) 단자에 연결되며, 특정 신호를 출력하는 비교기와; 상기한 비교기의 출력을 입력받으며, 상기한 전압제어 발진기의 신호를 입력받아 특정 부하에 흐르는 전력양을 조절할 수 있는 신호를 출력하는 게이트 드라이브 회로를 포함하여 이루어져서, 입력전류(Iin)의 제어를 통해 형광등의 불밝기 조절기능을 하고, 초기 점등시 소프트-스타트기능, 무부하 보호기능 등을 간단한 제어회로로써 구현하여, 전자식 안정기 제어 시스템의 제조 원가를 대폭적으로 낮출 수 있는 효과를 가진, 전자식 안정기 제어 시스템의 입력전류 제어회로에 관한 것이다.The present invention relates to an input current control circuit of an electronic ballast control system, the output of which is fed back to the negative terminal through a resistor, the (+) terminal is grounded through a resistor and output from an external input current detection circuit, An operational amplifier for amplifying and outputting an input current signal through a resistor; The output is fed back through the resistor to the (-) terminal, the output of the op amp through the resistor is input through the resistor, and the reference voltage is input to the (+) terminal to amplify the error between the two inputs. An error amplifier; A voltage controlled oscillator for receiving the output of the error amplifier through a low pass filter and outputting a specific signal; The output terminal of the error amplifier is connected to the negative terminal of the offset power supply is connected to the negative terminal, the output of the error amplifier is connected to the (+) terminal through a resistor, and a comparator for outputting a specific signal ; It includes a gate drive circuit that receives the output of the comparator, and outputs a signal for controlling the amount of power flowing to a specific load by receiving the signal of the voltage controlled oscillator, through the control of the input current (Iin) Electronic ballast control system, which can control the brightness of fluorescent lamps and implements soft-start function and no-load protection function at the initial lighting as a simple control circuit, which can greatly reduce the manufacturing cost of the electronic ballast control system. An input current control circuit of
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 이 발명의 실시예에 따른 입력전류 제어회로를 사용한 전자식 안정기 제어 시스템을 나타낸 블럭도이다,1 is a block diagram showing an electronic ballast control system using an input current control circuit according to an embodiment of the present invention.
제2도는 전자식 안정기 제어 시스템의 공진형 컨버터 전력회로를 나타낸 도면이다,2 is a diagram showing a resonant converter power circuit of an electronic ballast control system.
제3도는 이 발명의 실시예에 따른, 전자식 안정기 제어시스템의 입력전류 제어회로를 나타낸 도면이다.3 is a view showing an input current control circuit of the electronic ballast control system according to an embodiment of the present invention.
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950046789A KR0169367B1 (en) | 1995-12-05 | 1995-12-05 | Electronic ballast control system of input current control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950046789A KR0169367B1 (en) | 1995-12-05 | 1995-12-05 | Electronic ballast control system of input current control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970058377A true KR970058377A (en) | 1997-07-31 |
KR0169367B1 KR0169367B1 (en) | 1999-04-15 |
Family
ID=19437828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950046789A KR0169367B1 (en) | 1995-12-05 | 1995-12-05 | Electronic ballast control system of input current control circuit |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0169367B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100593760B1 (en) * | 1998-12-11 | 2006-10-04 | 페어차일드코리아반도체 주식회사 | Input current control device of electronic ballast control system |
-
1995
- 1995-12-05 KR KR1019950046789A patent/KR0169367B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0169367B1 (en) | 1999-04-15 |
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