JPS6142134U

JPS6142134U - Discharge lamp lighting circuit

Info

Publication number: JPS6142134U
Application number: JP12773984U
Authority: JP
Inventors: 吉之小野; 昭一岩谷
Original assignee: ティーディーケイ株式会社
Priority date: 1984-08-23
Filing date: 1984-08-23
Publication date: 1986-03-18
Also published as: JPH0336076Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】第１図は本考案に係る半導体スイッチ回路の電気回路接
続図、第２図は同じく性サイクル時の電気的等価回路図
、第３図は同じく負サイクル時の電気的等価回路図、第
４図は本箸案に係る半導体スイッチ回路を使用した放電
灯点灯回路の電気回路接続図、第５図は第４図に示した
放電灯点灯回路の放電灯端子間電圧の波形図、第６図は
従来の半導体スイッチ回路を用いた放電灯点灯回路の電
気回路接続図、第７図は同じく性サイクル時の電気的等
価回路図、第、８図は同じく負サイクル時の電気的等価
回路図、第９図は第８図に示した従来の放電灯点灯回路
の放電灯端子間電圧波形図、第１・０図は非直線性誘電
体素子の印加電圧一蓄積電荷量のヒステリシス特性を示
す図である。１・・・放電灯、２・・・誘導性安定器、３・・・三端
子サイリスタ駆動回路、３０′１・・・三端子サイリス
多、３０２・・・ツエナーダイオード、３０３，３０４
・・・抵抗、３０５・・・コンデンサ、４・・・非直線
性誘電体素子、１３〜１６・・・ダイオード。[Brief explanation of the drawings] Fig. 1 is an electrical circuit connection diagram of the semiconductor switch circuit according to the present invention, Fig. 2 is an electrical equivalent circuit diagram during a negative cycle, and Fig. 3 is an electrical equivalent circuit diagram during a negative cycle. The equivalent circuit diagram, Fig. 4 is an electric circuit connection diagram of a discharge lamp lighting circuit using the semiconductor switch circuit according to the present chopsticks proposal, and Fig. 5 shows the voltage between the discharge lamp terminals of the discharge lamp lighting circuit shown in Fig. 4. Waveform diagram, Figure 6 is an electric circuit connection diagram of a discharge lamp lighting circuit using a conventional semiconductor switch circuit, Figure 7 is an electrical equivalent circuit diagram during the negative cycle, and Figures 8 and 8 are the same during the negative cycle. Electrical equivalent circuit diagram, Figure 9 is a voltage waveform diagram between the discharge lamp terminals of the conventional discharge lamp lighting circuit shown in Figure 8, Figures 1 and 0 are the applied voltage vs. accumulated charge of the nonlinear dielectric element. FIG. 3 is a diagram showing the hysteresis characteristics of. DESCRIPTION OF SYMBOLS 1... Discharge lamp, 2... Inductive ballast, 3... Three-terminal thyristor drive circuit, 30'1... Three-terminal thyristor multi, 302... Zener diode, 303, 304
...Resistor, 305...Capacitor, 4...Nonlinear dielectric element, 13-16...Diode.

Claims

[Scope of utility model registration request]

(1) In a semiconductor switch circuit including a nonlinear dielectric element and a three-terminal thyristor, the three-terminal thyristor is configured to conduct at the AC input terminal in both positive and negative cycles of the AC voltage input to the AC input terminal. The non-linear dielectric element is connected to a terminal, and is in parallel with the three-terminal thyristor when the positive or negative cycle of the three-terminal thyristor is conducting, and in series when the other cycle is conducting. The gate circuit of the three-terminal thyristor is connected between the AC input terminals so as to divide the AC input voltage and drive the gate during conduction in any cycle. semiconductor switch circuit.

(2) The semiconductor switch circuit according to claim 1, wherein the gate circuit 1 of the thyristor has different circuit constants between positive cycles and negative cycles of the AC voltage.