KR860002683Y1 - Lighting circuit for a fluorescent lamp - Google Patents

Lighting circuit for a fluorescent lamp Download PDF

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Publication number
KR860002683Y1
KR860002683Y1 KR2019830011372U KR830011372U KR860002683Y1 KR 860002683 Y1 KR860002683 Y1 KR 860002683Y1 KR 2019830011372 U KR2019830011372 U KR 2019830011372U KR 830011372 U KR830011372 U KR 830011372U KR 860002683 Y1 KR860002683 Y1 KR 860002683Y1
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KR
South Korea
Prior art keywords
fluorescent lamp
triac
circuit
lighting circuit
current control
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Application number
KR2019830011372U
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Korean (ko)
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KR850005553U (en
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이용지
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이용지
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Priority to KR2019830011372U priority Critical patent/KR860002683Y1/en
Publication of KR850005553U publication Critical patent/KR850005553U/en
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Publication of KR860002683Y1 publication Critical patent/KR860002683Y1/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

Abstract

내용 없음.No content.

Description

형광등용 안정기Fluorescent Ballast

제 1 도는 본 고안의 전체회로도.1 is an overall circuit diagram of the present invention.

* 도면의 주요부분에 대한 부호설명* Explanation of symbols on the main parts of the drawings

1 : 형광등 2,3 : 필라멘트1: fluorescent lamp 2,3: filament

본 고안의 절전효과가 큰 형광등용 안정기를 제공하기 위한 것이다.It is to provide a ballast for a fluorescent lamp having a large power saving effect of the present invention.

형광등을 점등시키기 위하여는 역기전력을 필요로 하고 역기전력을 얻기 위하여는 쵸크코일을 필요로 하는바 일단 점등이 된 후에는 전류가 쵸크코일을 통과할 경우많은 전력이 소모되며 쵸크코일에서 발열현상이 일어나는 결점이 있었던 것이다.To turn on the fluorescent lamp, back electromotive force is required, and to get back electromotive force, choke coil is required. Once it is turned on, a lot of power is consumed when current passes through the choke coil and heat generation occurs in the choke coil. This was there.

본 고안은 쵸크코일을 사용하는 종래의 형광등에 있어서의 위와 같은 결점을 제거하기 위한 것으로 이를 첨부도면에 의하여 설명하면 다음과 같다.The present invention is to remove the above-mentioned defects in the conventional fluorescent lamp using the choke coil, and this will be described by the accompanying drawings as follows.

형광등(1)의 전원 입력선 중 하나에 전류 제어회로(가)와 전류제어회로(가) 중의 트라이악(TH1)의 구동회로(나)를 병렬로 연결하여 구동회로(나)를 제어하는 공지의 검출회로(다)를 필라멘트(2)(3)의 양단에 점등관(4)와 병렬로 연결한다.To control the driving circuit (B) by connecting the driving circuit (B) of the triac TH 1 of the current control circuit (A) and the current control circuit (A) in parallel to one of the power input lines of the fluorescent lamp (1). A well-known detection circuit (C) is connected in parallel with the lighting tube (4) at both ends of the filaments (2) and (3).

전류제어회로(가)는 쵸크코일(L1)에 트라이악(TH1)을 직렬로 결선하여 형성시킨다. 전류제어회로(가)에 병렬로 트라이악 구동회로(나)가 결선되는 바 트라이악구동회로(나)는 첨부된 도면과 같이 리드스위치(RS1)와 저항(R2)을 직렬로 연결하고 그 양단에 저항(R1)병렬로 연결된 그 일단에 트라이악(TH1)의 게이트와 캐퍼시터(C2)를 직렬로 연결하여 구성되었다.The current control circuit (A) is formed by connecting triac (TH 1 ) in series with the choke coil (L 1 ). The triac driving circuit (B), in which the triac driving circuit (B) is connected in parallel to the current control circuit (A), connects the reed switch (RS 1 ) and the resistor (R 2 ) in series as shown in the attached drawing. It was constructed by connecting the gate of the triac (TH 1 ) and the capacitor (C 2 ) in series at one end thereof connected in parallel with a resistor (R 1 ).

전류 제어회로(가)에서 쵸크코일(L1)은 자기회로 저항을 줄이기 위하여 트랜스를 정방형으로 제작하며 코일은 역기전력이 충분히 발생하도록 제작한다.In the current control circuit (a), the choke coil (L 1 ) is made square in order to reduce the magnetic circuit resistance, and the coil is made to generate enough counter electromotive force.

이와같이 구성된 본고안은 전원이 투입되면 전류제어회로(가)를 통한 전압은 형광등(1)의 양단(2)(3)에서 입력전압과 동일하다.According to the present proposal, when the power is turned on, the voltage through the current control circuit (a) is equal to the input voltage at both ends (2) and (3) of the fluorescent lamp (1).

이 전압은 공지의 검출회로(다)에 공급되어 검출회로(다)의 리드스위치(RS1)를 구동시키면 전류제어회로(가)중의 트라이악(TH1)의 구동회로(나)에서 저항 R1과 병렬로 저항 R2가 연결되므로 전류제어회로의 트라이악(TH1)의 위상을 변화시켜 전류를 증가히킨다. 이 전류는 형광등(1)의 점등을 충분히 행할수 있으며 형광등(1)의 점등후 형광등 양단(2)(3) 전압은 급격히 떨어져(입력전압의 약 1/2-1/3정도) 공지의 검출회로(다)의 리드스위치(RS1)의 작동을 멈추게 한다. 따라서 형광등의 점등후 전류제어회로(가)중의 트라이악(TH1)의 구동회로(나)의 리드스위치(RS1)의 점점이 떨어져 저항(R2)를 통하여 흐르는 전류를 차단하여 전류의 감소기능을 갖도록 한다.This voltage is supplied to a well-known detection circuit (C), and when the reed switch (RS 1 ) of the detection circuit (C) is driven, the resistance R in the drive circuit (B) of the triac TH 1 of the current control circuit (A) is driven. Since resistor R 2 is connected in parallel with 1 , the current is increased by changing the phase of the triac TH 1 of the current control circuit. This current can sufficiently light the fluorescent lamp 1, and after the fluorescent lamp 1 is turned on, the voltage at both ends of the fluorescent lamp 2 (3) drops sharply (about 1 / 2-1 / 3 of the input voltage). The reed switch RS 1 of the circuit (C) is stopped. Therefore, after the fluorescent lamp is turned on, the reed switch RS 1 of the driving circuit (b) of the triac TH 1 in the current control circuit A is gradually separated, and the current flowing through the resistor R2 is cut off to reduce the current. To have.

따라서 본 고안은 재래식 형광등용 안정기에 비하여 발열이 적고 전력의 소모가 적은 이점이 있다.Therefore, the present invention has the advantage of less heat generation and less power consumption than conventional fluorescent ballasts.

Claims (1)

쵸크코일(L1)과 트라이악(TH1)을 직렬로 연결하고 트라이악(TH1)의 게이트에 공지의 구동회로를 연결하며 구동회로를 공지의 전압 검출회로로 제어토록 하여서된 형광등용 안정기.Ballast for fluorescent lamps by connecting the choke coil (L1) and triac (TH 1 ) in series, a known drive circuit to the gate of the triac (TH 1 ), and to control the drive circuit with a known voltage detection circuit.
KR2019830011372U 1983-12-30 1983-12-30 Lighting circuit for a fluorescent lamp KR860002683Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019830011372U KR860002683Y1 (en) 1983-12-30 1983-12-30 Lighting circuit for a fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019830011372U KR860002683Y1 (en) 1983-12-30 1983-12-30 Lighting circuit for a fluorescent lamp

Publications (2)

Publication Number Publication Date
KR850005553U KR850005553U (en) 1985-08-10
KR860002683Y1 true KR860002683Y1 (en) 1986-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019830011372U KR860002683Y1 (en) 1983-12-30 1983-12-30 Lighting circuit for a fluorescent lamp

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Publication number Publication date
KR850005553U (en) 1985-08-10

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