JPS6365999U

JPS6365999U -

Info

Publication number: JPS6365999U
Application number: JP14146387U
Authority: JP
Priority date: 1987-09-16
Filing date: 1987-09-16
Publication date: 1988-04-30

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す回路図である
。第２図は第１図に示す実施例を説明するための
波形図で、Ａは商用交流電圧波形図、Ｂは全波整
流回路出力電圧波形図、Ｃは出力トランス１次巻
線の高周波電圧波形図、Ｄは出力トランスの第１
の二次巻線の高周波電圧波形図、Ｅは出力トラン
スの第１の二次巻線の高周波電流波型図を示す。１……全波整流回路、２……交流雑音除去回路
、３……起動回路、４……インバータ回路、５…
…放電灯、６……出力トランス、１０……ＴＮＲ
、１１〜１４……ダイオード、１５，１６……ノ
ード、２２……コイル、３１，３３，３５……抵
抗、３２……ツエナーダイオード、３４……充放
電コンデンサ、３６……トランジスタ、３７，３
８，３９，４０，４１……ダイオード、４２，４
３，４４……バイアス抵抗、４５……コイル、４
７，４８……プツシユプルトランジスタ、４９〜
５１……コイル、５２……コンデンサ、６０……
共振コンデンサ、６１……１次巻線、６２，６３
……二次巻線。 FIG. 1 is a circuit diagram showing an embodiment of the present invention. Figure 2 is a waveform diagram for explaining the embodiment shown in Figure 1, where A is a commercial AC voltage waveform diagram, B is a full-wave rectifier circuit output voltage waveform diagram, and C is a high-frequency voltage of the output transformer primary winding. Waveform diagram, D is the first output transformer
E shows a high-frequency voltage waveform diagram of the secondary winding of the output transformer, and E shows a high-frequency current waveform diagram of the first secondary winding of the output transformer. 1...Full wave rectifier circuit, 2...AC noise removal circuit, 3...Start circuit, 4...Inverter circuit, 5...
...Discharge lamp, 6...Output transformer, 10...TNR
, 11-14... Diode, 15, 16... Node, 22... Coil, 31, 33, 35... Resistor, 32... Zener diode, 34... Charge/discharge capacitor, 36... Transistor, 37, 3
8, 39, 40, 41...Diode, 42, 4
3, 44...Bias resistor, 45...Coil, 4
7, 48...Push-pull transistor, 49~
51... Coil, 52... Capacitor, 60...
Resonant capacitor, 61...Primary winding, 62, 63
...Secondary winding.

Claims

[Claims for Utility Model Registration] (1) A full-wave rectifier circuit that rectifies commercial AC, an AC noise removal circuit that removes ripples and AC noise from the voltage rectified by the full-wave rectifier circuit, and the rectifier. The transistor is instantaneously turned on by an inverter circuit for converting the voltage into a high-frequency voltage, a one-shot circuit comprising a charging/discharging capacitor that is charged and discharged every half cycle of the commercial AC power supply, and a time constant resistor. An electronic lighting device for a discharge lamp, comprising a starting circuit for starting an inverter circuit. (2) The inverter circuit includes a push-pull circuit having two input terminals, and the starting circuit includes a resistor and a Zener diode connected in series so that a full-wave rectified voltage is applied, and the Zener diode. a resistor connected in series at both ends, the charge/discharge capacitor and the time constant resistor, a base connected to a node between the charge/discharge capacitor and the time constant resistor, an emitter connected to the other end of the time constant resistor; a transistor having a collector connected to the other end of the resistor connected in series to the Zener diode through a diode and two bias resistors, and a node between both the bias resistors is connected to the input terminal of the inverter circuit. At one end, a node between the diode and the bias resistor is connected to the other end of the input terminal of the inverter circuit via another bias resistor, and a diode is connected between the collector and emitter of the transistor. 1. An electronic lighting device for a discharge lamp according to claim 1, characterized in that: