KR880008702A - Electronic ballast protector - Google Patents

Electronic ballast protector Download PDF

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Publication number
KR880008702A
KR880008702A KR860010839A KR860010839A KR880008702A KR 880008702 A KR880008702 A KR 880008702A KR 860010839 A KR860010839 A KR 860010839A KR 860010839 A KR860010839 A KR 860010839A KR 880008702 A KR880008702 A KR 880008702A
Authority
KR
South Korea
Prior art keywords
electronic ballast
thermistor
protector
triac
protection device
Prior art date
Application number
KR860010839A
Other languages
Korean (ko)
Other versions
KR890003991B1 (en
Inventor
박수한
Original Assignee
안광욱
주식회사 서풍전자
박수한
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 안광욱, 주식회사 서풍전자, 박수한 filed Critical 안광욱
Priority to KR1019860010839A priority Critical patent/KR890003991B1/en
Publication of KR880008702A publication Critical patent/KR880008702A/en
Application granted granted Critical
Publication of KR890003991B1 publication Critical patent/KR890003991B1/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
    • 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)

Abstract

내용 없음.No content.

Description

전자식 안정기의 보호장치Electronic ballast protector

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

제1도는 본 발명의 전체적인 구성을 보인 회로도.1 is a circuit diagram showing the overall configuration of the present invention.

제2도는 오배선이나 노화된 형광램프의 예시도.2 is an illustration of a miswired or aged fluorescent lamp.

제4도는 본 발명의 다른 형태를 보인 회로도.4 is a circuit diagram showing another embodiment of the present invention.

Claims (3)

트랜지스터(Q1),(Q2)를 사용한 공지의 전자식안정기의 직렬 공진용 콘덴서(Co)양단에 트라이액(T)의 양단자(T1),(T2) 그리고 분압저앙(R2),(R3) 및 부위 온도 계수를 갖는 써미스터(Th1)를 접속하여 써미스터(Th1)의 일측의 전압이 다이오드(D) 및 제너다이오드(ZD)를 경과하여 트라이액(T)의 게이트(G)에 인가되게한 전자식 안정기의 보호장치.Both terminals (T1), (T2) of the triac (T), divided voltage (R2), (R3) and the both ends of the series resonance capacitor (Co) of the known electronic ballast using transistors (Q1), (Q2) and An electronic ballast which connects the thermistor Th1 having the site temperature coefficient so that the voltage on one side of the thermistor Th1 is applied to the gate G of the triac T by passing through the diode D and the zener diode ZD. Protection device. 제1항에 있어서, 부의 온도 계수를 갖는 써미스터(Th1)를 정의온도 계수를 갖는 써미스터(Th2)로 대치하고 그타단의 전압이 트라이액(T)의 게이트에 인가되게 한 전자식 안정기의 보호장치.The protection device of an electronic ballast according to claim 1, wherein the thermistor (Th1) having a negative temperature coefficient is replaced by a thermistor (Th2) having a positive temperature coefficient and a voltage at the other end is applied to the gate of the triac (T). 제1항에 있어서, 다이오드(D)를 제너다이오드(ZD)로 대치하여서된 전자식 안정기의 보호장치.The protection device for an electronic ballast according to claim 1, wherein the diode (D) is replaced with a zener diode (ZD). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860010839A 1986-12-17 1986-12-17 Circuit arrangement of discharge lamps KR890003991B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860010839A KR890003991B1 (en) 1986-12-17 1986-12-17 Circuit arrangement of discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860010839A KR890003991B1 (en) 1986-12-17 1986-12-17 Circuit arrangement of discharge lamps

Publications (2)

Publication Number Publication Date
KR880008702A true KR880008702A (en) 1988-08-31
KR890003991B1 KR890003991B1 (en) 1989-10-14

Family

ID=19254088

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860010839A KR890003991B1 (en) 1986-12-17 1986-12-17 Circuit arrangement of discharge lamps

Country Status (1)

Country Link
KR (1) KR890003991B1 (en)

Also Published As

Publication number Publication date
KR890003991B1 (en) 1989-10-14

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