KR890018019A - Inverter Protection Circuit - Google Patents

Inverter Protection Circuit Download PDF

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Publication number
KR890018019A
KR890018019A KR1019880005731A KR880005731A KR890018019A KR 890018019 A KR890018019 A KR 890018019A KR 1019880005731 A KR1019880005731 A KR 1019880005731A KR 880005731 A KR880005731 A KR 880005731A KR 890018019 A KR890018019 A KR 890018019A
Authority
KR
South Korea
Prior art keywords
transistor
collector
emitter
base
protection circuit
Prior art date
Application number
KR1019880005731A
Other languages
Korean (ko)
Other versions
KR900007389B1 (en
Inventor
신규섭
Original Assignee
신규섭
주식회사 썬코리아전자
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 신규섭, 주식회사 썬코리아전자 filed Critical 신규섭
Priority to KR1019880005731A priority Critical patent/KR900007389B1/en
Publication of KR890018019A publication Critical patent/KR890018019A/en
Application granted granted Critical
Publication of KR900007389B1 publication Critical patent/KR900007389B1/en

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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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency ac, or with separate oscillator frequency

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inverter Devices (AREA)

Abstract

내용 없음No content

Description

인버터용 보호회로Inverter Protection Circuit

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

제 1 도는 본 발명을 채용한 형광등용 전자식 점등장치의 회로도.1 is a circuit diagram of an electronic lighting apparatus for fluorescent lamps employing the present invention.

Claims (1)

직류전원(2)의 +단자에 콜렉터가 접속된 트랜지스터(Q1)와, 상기 트랜지스터(Q1)의 에미터에 콜렉터가 접속된 에미터 접지 트랜지스터(Q2)와, 타단이 부하에 접속되고 일단이 상기 트랜지스터(Q1)(Q2)의 공통접속점에 접속된 제 1 권선(31) 및 상기 트랜지스터(Q1)(Q2)의 베이스 에미터간에 각각 연결되는 두개의 제 2 권선(32)(33)을 가진 전류트랜스포머(30)를 구비한 트랜지스터 인버터에 있어서, 상기 전류트랜스포머(30)에 제 3 권선(34)을 구비하고 그 일단은 상기 트랜지스터(Q2)의 베이스에 연결하고, 타단은 에미터 접지 트랜지스터(Q3)의 콜렉터에 접속하며, 또한 상기 타단은 제너다이오드(ZD)를 통하여 실리콘제어 정류소자(SCR)의 게이트에 접속하고, 상기 트랜지스터(Q3)의 베이스에는 상기 실리콘제어 정류소자(SCR)를 통하여 상기 직류전원(2)의 +단자를 접속하여서 된 것을 특징으로 한 인버터용 보호회로.And a DC power supply (2) the transistor (Q 1), the collector connected to the + terminal, and the transistor (Q 1), the emitter of an emitter grounded transistor (Q 2) collector is connected to the other end is connected to a load Once the two second windings each connected between the base-emitter of the first winding 31 and the transistor (Q 1) (Q 2) connected to the common connection point of the transistor (Q 1) (Q 2) (32 In a transistor inverter having a current transformer (30) having a) (33), the current transformer 30 is provided with a third winding (34), one end of which is connected to the base of the transistor (Q 2 ), The other end is connected to the collector of the emitter ground transistor Q 3 , and the other end is connected to the gate of the silicon controlled rectifying element SCR through the zener diode ZD, and the base of the transistor Q 3 is connected to the collector. + Of the DC power supply 2 through a silicon controlled rectifier (SCR) That the hayeoseo connection protection for the inverter circuit, characterized characters. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880005731A 1988-05-17 1988-05-17 Protection circuit for inverter of discharge lamps KR900007389B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880005731A KR900007389B1 (en) 1988-05-17 1988-05-17 Protection circuit for inverter of discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880005731A KR900007389B1 (en) 1988-05-17 1988-05-17 Protection circuit for inverter of discharge lamps

Publications (2)

Publication Number Publication Date
KR890018019A true KR890018019A (en) 1989-12-18
KR900007389B1 KR900007389B1 (en) 1990-10-08

Family

ID=19274428

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880005731A KR900007389B1 (en) 1988-05-17 1988-05-17 Protection circuit for inverter of discharge lamps

Country Status (1)

Country Link
KR (1) KR900007389B1 (en)

Also Published As

Publication number Publication date
KR900007389B1 (en) 1990-10-08

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