KR870002745A - 고주파 개스방전램프 디밍 밸러스트 - Google Patents

고주파 개스방전램프 디밍 밸러스트 Download PDF

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Publication number
KR870002745A
KR870002745A KR1019850005939A KR850005939A KR870002745A KR 870002745 A KR870002745 A KR 870002745A KR 1019850005939 A KR1019850005939 A KR 1019850005939A KR 850005939 A KR850005939 A KR 850005939A KR 870002745 A KR870002745 A KR 870002745A
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KR
South Korea
Prior art keywords
transformer
electronic ballast
gas discharge
bipolar transistor
discharge lamp
Prior art date
Application number
KR1019850005939A
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English (en)
Other versions
KR920007773B1 (en
Inventor
카페웰 테니스
지. 루차코 데이비드
Original Assignee
조엘 에스. 스피라
루트론 일렉트로닉스 캄파니 인코포레이티드
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Application filed by 조엘 에스. 스피라, 루트론 일렉트로닉스 캄파니 인코포레이티드 filed Critical 조엘 에스. 스피라
Publication of KR870002745A publication Critical patent/KR870002745A/ko
Application granted granted Critical
Publication of KR920007773B1 publication Critical patent/KR920007773B1/ko

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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
    • 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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3924—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by phase control, e.g. using a triac
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/04—Modifications for accelerating switching
    • H03K17/042—Modifications for accelerating switching by feedback from the output circuit to the control circuit
    • H03K17/0424—Modifications for accelerating switching by feedback from the output circuit to the control circuit by the use of a transformer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
    • 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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

내용 없음

Description

고주파 개스방전램프 디밍 밸러스트
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 본 발명의 새로운 회로의 회로도.
제5도는 전류를 동등하게 분할하게되어야만 하는 복수램프를 채용한 새롭게 분리된 출력트랜스의 회로도.
제6도는 새로운 단일 전력스위치와 그를 위한 전기적 구동회로의 실시에의 회로도.
＊도면의 주요 부분에 대한 부호의 설명
10:a-c입력회로 11:전파정류기 12:필터콘덴서
13:반도체 스위칭수단 15:개스 방전램프 18:전류 검지수단
19:제어회로 30:트랜스수단 32:2차권선
35:광분리기

Claims (9)

  1. a-c입력회로, 상기 a-c입력회로에 접속된 a-c단자와 d-c출력단자를 갖춘 전파 정류기, 상기 d-c춘출단자 양단에 접속된 필더 콘덴서, 유전적으로 분리된 1차와 2차권선을 갖춘 트랜스수단, 상기 2차권선의 단자 양단에 접속된 개스 방전램프, 제어전극과 제1 및 제2전력단자를 갖는 단일 반도체 스위칭수단, 전류검지수단, 상기 제어 전극에 접속되어 제어된 듀티 사이클 비율로 상기 스위칭수단이 온 및 오프되도록 작용하는 제어회로, 상기 제어회로에 접속되어 상기 램프의 소정 디밍각에 관련한 값으로 상기 듀티 사이클을 설전시키는 디밍 레벨 설정회로로 이루어지며 상기 전류 감지수단은 상기 제어회로에 접속되며 상기 디밍 레벨 설정회로에 의해 요구되는 것과 관련한 것으로 상기 전류 검지수단을 통하여 흐르는 전류를 유지하는 것으로 상기 듀티 사이클을 조정하는 넓은 범위에 걸쳐 디딩 조절이 가능한 개스 방전램프용 전자 밸러스트에 있어서, 상기 d-c출력단자, 상기 1차권선, 상기 단일 반도체 스위치수단 및 상기 전류 검지수단이 폐쇄 직렬관게로 접속되는 것을 특징으로 하는 전자 밸러스트.
  2. 제1항에 있어서, 상기 필터 콘덴서는 약 30㎌보다 작은 것을 갖는 것을 특징으로 하는 전자 밸러스트.
  3. 제1항에 있어서, 상기 2차권선은 상기 개스 방전램프의 필라멘트의 히터에 접속된 히터 탭 부분을 갖고 있는 것을 특징으로 하는 전자 밸러스트.
  4. 제1항, 2항 및 3항중 어느 하나에 있어서, 더우기 유전적으로 분리된 1차 및 2차권선을 갖춘 제2트랜스, 상기 직렬 접속 1차권선과 병렬로 접속된 인덕터수단 및 상기 2차권선 단자의 양단에 접속된 제2개스방전램프를 더 포함하며, 상기 트랜스 및 상기 제2트랜스의 1차권선은 상기 폐쇄 직렬회로와 직렬로 접속된 것을 특징으로 하는 전자 밸러스트.
  5. 제4항에 있어서, 적어도 2직렬 접속개스 방전램프가 상기 2차권선 각각의 단자 양단에 접속되어 있는 것을 특징으로 하는 전자 밸러스트.
  6. 제1항 내지 5항중 어느 하나에 있어서, 광분리 소자가 상기 디밍 레벨 설정회로를 상기 제어회로에 결합시키는 것을 특징으로 하는 전자 밸러스트.
  7. 제1항 내지 6항중 어느 하나에 있어서, 상기 단일 반도체 스위칭수단은 바이포울러 트랜지스터인 것을 특징으로 하는 전자 밸러스트.
  8. 제1항 내지 7항중 어느 하나에 있어서, 상기 단일 반도체 스위칭수단은 고전한 바이포울러 트랜지스터와 직렬로 접속된 저전압 전력 MOSFET로 이루어지는 것을 특징으로 하는 전자 밸러스트.
  9. 제8항에 있어서, 더우기 각각 상기 바이포울러 트랜지스터의 베이스와 상기 MOSFET의 드레인에 접속된 종단자와 상기 바이포울러 트랜지스터의 에미터에 접속된 탭단자 수단을 갖춘 전류 트랜스수단, 상기 MOSFET의 소오스와 상기 바이포울러 트랜지스터의 콜렉터는 직렬로 접속되며, 및 상기 바이포울러 트랜지스터의 베이스와 상기 MOSFET의 소오스 사이에 접속된 제너 다이오드를 더 포함하는 것을 특징으로 하는 전자 밸러스트.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR8505939A 1984-08-17 1985-08-17 High frequency gas dischage lamp dimming ballast KR920007773B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US642072 1984-08-17
US06/642,072 US4663570A (en) 1984-08-17 1984-08-17 High frequency gas discharge lamp dimming ballast

Publications (2)

Publication Number Publication Date
KR870002745A true KR870002745A (ko) 1987-04-06
KR920007773B1 KR920007773B1 (en) 1992-09-17

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KR8505939A KR920007773B1 (en) 1984-08-17 1985-08-17 High frequency gas dischage lamp dimming ballast

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US (1) US4663570A (ko)
KR (1) KR920007773B1 (ko)
CA (1) CA1254610A (ko)
DE (1) DE3528549A1 (ko)
FR (1) FR2569327A1 (ko)
GB (1) GB2163309B (ko)

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Publication number Publication date
CA1254610A (en) 1989-05-23
FR2569327A1 (fr) 1986-02-21
KR920007773B1 (en) 1992-09-17
GB8519442D0 (en) 1985-09-11
GB2163309B (en) 1988-03-16
US4663570A (en) 1987-05-05
GB2163309A (en) 1986-02-19
DE3528549A1 (de) 1986-02-27

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