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KR950005115A - Power Stabilization Circuit of Electronic Ballast for Discharge Lamp - Google Patents

Power Stabilization Circuit of Electronic Ballast for Discharge Lamp Download PDF

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Publication number
KR950005115A
KR950005115A KR1019930014071A KR930014071A KR950005115A KR 950005115 A KR950005115 A KR 950005115A KR 1019930014071 A KR1019930014071 A KR 1019930014071A KR 930014071 A KR930014071 A KR 930014071A KR 950005115 A KR950005115 A KR 950005115A
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KR
South Korea
Prior art keywords
voltage
constant voltage
supply means
voltage supply
pulse width
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Application number
KR1019930014071A
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Korean (ko)
Inventor
조정환
Original Assignee
조정환
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Priority to KR1019930014071A priority Critical patent/KR950005115A/en
Publication of KR950005115A publication Critical patent/KR950005115A/en

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Abstract

본 발명은 고압 장전등용 및 형광등용 전자식 안정기의 전원안정화 회로에 관한 것으로, 상용 전원을 입력으로 받아 전파 정류하여 직류 전압을 얻는 직류 전압 공급수단(10), 상기 직류전압 공급수단(10)에 연결되어 전체회로의 초기 동작 전원을 제공하는 초기 동작 전원 구동수단(40), 상기 직류전압공급수단(10)에 연결되어 입력전압의 변동에도 부하측인 점등회로부로 일정한 전압을 공급하는 직류정전압 공급수단(20), 상기 직류정전압 공급수단(20)에 항상 일정한 전압을 얻을 수 있도록 제어하는 직류정전압 공급 제어구동수단(30)을 구비하고 있는 것을 특징으로 한다.The present invention relates to a power stabilization circuit for electronic ballasts for high-voltage load lamps and fluorescent lamps, and is connected to a direct current voltage supply means (10) and a direct current voltage supply means (10) for receiving a commercial power as an input and full-wave rectification. DC power supply means for supplying a constant voltage to the initial operating power supply driving means 40 for supplying the initial operating power of the entire circuit, the DC voltage supply means 10, the lighting circuit unit on the load side even if the input voltage changes ( 20), characterized in that the DC constant voltage supply means 20 is provided with a DC constant voltage supply control drive means 30 for controlling so as to always obtain a constant voltage.

Description

방전등용 전자식 안정기의 전원안정화 회로Power Stabilization Circuit of Electronic Ballast for Discharge Lamp

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

제1도는 본 발명에 따른 전자식 안정기의 블럭 구성도.1 is a block diagram of an electronic ballast according to the present invention.

Claims (3)

고압 방전관용 안정화 장치에 있어서; 상용 전원을 입력으로 받아 전파 정류하여 직류 전압을 얻는 직류 전압 공급수단(10), 상기 직류전압 공급수단(10)에 연결되어 전체회로의 초기 동작전압을 제공하는 초기 동작 전원 구동수단(40), 상기 직류전압공급수단(10)에 연결되어 입력전압의 변동에도 부하측인 점등회로부로 일정한 전압을 공급하는 직류정전압 공급수단(20), 상기 직류정전압 공급수단(20)에 항상 일정한 전압을 얻을 수 있도록 제어하는 직류정전압공급 제어구동수단(30)을 구비하고 있는 것을 특징으로 하는 방전등용 전자식 안정기의 전원안정화 회로.A stabilizing device for a high pressure discharge tube; DC voltage supply means 10 for receiving a commercial power as an input and full-wave rectified to obtain a DC voltage, an initial operation power supply driving means 40 connected to the DC voltage supply means 10 to provide an initial operating voltage of the entire circuit; DC constant voltage supply means 20 connected to the DC voltage supply means 10 to supply a constant voltage to the lighting circuit unit on the load side even when the input voltage fluctuates, so that a constant voltage is always obtained to the DC constant voltage supply means 20. A power supply stabilization circuit for an electronic ballast for a discharge lamp, characterized by comprising a DC constant voltage supply control driving means (30) for controlling. 제1항에 있어서, 상기 초기 동작 전원 구동수단(40)은; 교번적으로 도통/부도통되어 상기 공급수단(20)의 전압을 공급할 수 있도록 스위칭 작용을 하는 제1,제2스위칭 수단(Q1,Q2), 상기 제1,제2스위칭수단(Q1,Q2)에 의해 상기 직류정전압 공급수단(20)으로부터의 초기전원을 공급받은 레귤레이터(U2)를 포함하는 것을 특징으로 하는 방전등용 전자식 안정기의 전원안정화 회로.The method of claim 1, wherein the initial operating power source driving means (40); First and second switching means Q1 and Q2 and the first and second switching means Q1 and Q2 alternately conducting / non-conducting to switch to supply the voltage of the supply means 20. And a regulator (U2) supplied with initial power from the DC constant voltage supply means (20) by the power supply stabilization circuit of the electronic ballast for a discharge lamp. 제1항에 있어서, 상기 직류정전압공급 제어구동수단(30)은; 상기 초기 동작 전원 구동수단(40)으로부터 얻은 전압을 입력받는 펄스폭 변조 단안정 멀티 바이브레이터(U1)와, 상기 직류 전압 공급수단(10)에 연결되어 트리거신호를 발생하여 상기 펄스폭 변조 단안정 멀티 바이브레이터(U1)의 출력 주기를 결정하기 위한 트랜지스터(Q3,Q4), 상기 펄스폭 변조 단안정 멀티 바이브레이터(U1)의 펄스폭을 결정하기 위한 펄스폭 결정수단(R11,C4), 기준전압을 제공하기 위한 기준전압 제공수단 (ZD), 상기 기준전압 제공수단(ZD)에 의한 기준전압을 비반전단자(+)로 입력받고 반전단자(-)로는 상기 직류 정전압 공급수단(20)의 전압을 입력받아 상기 펄스폭 변조 단안정 멀티 바이브레이터(U1)의 펄스폭을 변조하는 연산증폭수단(OP)을 포함하는 것을 특징으로 하는 방전등용 전자식 안정기의 전원안정화 회로.The method of claim 1, wherein the DC constant voltage supply control driving means (30); The pulse width modulation monostable multivibrator U1 receiving the voltage obtained from the initial operation power supply driving means 40 and the DC voltage supply means 10 to generate a trigger signal to generate the pulse width modulation monostable multiply. Transistors Q3 and Q4 for determining the output period of the vibrator U1, pulse width determining means R11 and C4 for determining the pulse width of the pulse width modulation monostable multivibrator U1, and a reference voltage The reference voltage providing means (ZD), the reference voltage by the reference voltage providing means (ZD) is input to the non-inverting terminal (+) and the voltage of the DC constant voltage supply means 20 to the inverting terminal (-) And an operational amplifier means (OP) for modulating the pulse width of said pulse width modulation monostable multivibrator (U1). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930014071A 1993-07-23 1993-07-23 Power Stabilization Circuit of Electronic Ballast for Discharge Lamp KR950005115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930014071A KR950005115A (en) 1993-07-23 1993-07-23 Power Stabilization Circuit of Electronic Ballast for Discharge Lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930014071A KR950005115A (en) 1993-07-23 1993-07-23 Power Stabilization Circuit of Electronic Ballast for Discharge Lamp

Publications (1)

Publication Number Publication Date
KR950005115A true KR950005115A (en) 1995-02-18

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
KR (1) KR950005115A (en)

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