KR970058376A - Electronic Ballast Control System with No-load Protection Using Input Current - Google Patents
Electronic Ballast Control System with No-load Protection Using Input Current Download PDFInfo
- Publication number
- KR970058376A KR970058376A KR1019950046788A KR19950046788A KR970058376A KR 970058376 A KR970058376 A KR 970058376A KR 1019950046788 A KR1019950046788 A KR 1019950046788A KR 19950046788 A KR19950046788 A KR 19950046788A KR 970058376 A KR970058376 A KR 970058376A
- Authority
- KR
- South Korea
- Prior art keywords
- input current
- circuit
- output
- voltage
- resistor
- 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 입력전류를 이용하여 무부하 보호기능을 갖는 전자식 안정기 제어 시스템에 관한 것으로서, 교류 전원에서 입력된 교류를 직류전압으로 변환하여 출력하는 교류/직류 정류회로와; 상기한 교류/직류 정류회로에서 입력된 직류전압을 교류전압으로 변환하여 출력하는 공진형 컨버터 전력회로와; 상기한 교류/직류 정류회로와 상기한 공진형 컨버터 전력회로 사이에 연결되어 입력전류를 검출하는 입력전류 검출회로와; 상기한 입력전류 검출회로에서 입력전류를 입력받아, 상기한 공진형 컨버터 전력회로 내의 스위칭 주파수를 제어하는 구형파를 출력하는 입력전류 제어회로와; 상기한 입력전류 제어회로의 제어신호 출력을, 상기 공진형 컨버터 전력회로를 통해서 입력받는 형광등 부하를 포함하여 이루어져서, 입력 전류(Iin)의 제어를 통해, 무부하 보호기능 등이 간단한 제어회로로써 구현되어, 형광등 전자식 안정기 제어 시스템의 제조 원가를 대폭적으로 낮출 수 있는 효과를 가진, 입력전류를 이용하여 무부하 보호기능을 갖는 전자식 안정기 제어 시스템에 관한 것이다.The present invention relates to an electronic ballast control system having a no-load protection function using an input current, comprising: an AC / DC rectifier circuit for converting an AC input from an AC power source into a DC voltage and outputting the DC voltage; A resonant converter power circuit converting the DC voltage input from the AC / DC rectifier circuit into an AC voltage and outputting the AC voltage; An input current detection circuit connected between the AC / DC rectifier circuit and the resonant converter power circuit to detect an input current; An input current control circuit which receives an input current from the input current detection circuit and outputs a square wave for controlling a switching frequency in the resonance converter power circuit; The control signal output of the input current control circuit includes a fluorescent lamp load received through the resonant converter power circuit, and the no-load protection function is implemented as a simple control circuit through the control of the input current Iin. The present invention relates to an electronic ballast control system having a no-load protection function using an input current having an effect of drastically lowering the manufacturing cost of a fluorescent lamp electronic ballast control system.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 이 발명의 실시예에 따른, 입력전류를 이용하여 무부하 보호기능을 갖는 전자식 안정기 제어 시스템을 나타낸 블럭도이다,1 is a block diagram showing an electronic ballast control system having a no-load protection function using an input current 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, 입력전류를 이용하여 무부하 보호기능을 갖는 전자식 안정기 제어 시스템의 입력전류 제어회로를 나타낸 도면이다.3 is a diagram illustrating an input current control circuit of an electronic ballast control system having a no-load protection function using an input current according to an embodiment of the present invention.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950046788A KR0169368B1 (en) | 1995-12-05 | 1995-12-05 | Electronic ballast of control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950046788A KR0169368B1 (en) | 1995-12-05 | 1995-12-05 | Electronic ballast of control system |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970058376A true KR970058376A (en) | 1997-07-31 |
KR0169368B1 KR0169368B1 (en) | 1999-04-15 |
Family
ID=19437827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950046788A KR0169368B1 (en) | 1995-12-05 | 1995-12-05 | Electronic ballast of control system |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0169368B1 (en) |
-
1995
- 1995-12-05 KR KR1019950046788A patent/KR0169368B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0169368B1 (en) | 1999-04-15 |
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