JPS58125397U

JPS58125397U - Discharge lamp lighting circuit

Info

Publication number: JPS58125397U
Application number: JP1073382U
Authority: JP
Inventors: 水内　重信; 安波　逸男; 昭一岩谷
Original assignee: ティーディーケイ株式会社
Priority date: 1982-01-27
Filing date: 1982-01-27
Publication date: 1983-08-25

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

[Brief explanation of the drawing]

第１図は従来の放電灯点灯回路の電気回路接続図、第２
図は非直線性コンデンサの印加電圧−蓄積電荷特性図、
第３図は本考案に係る放電灯点灯回路の電気回路図、第
４図Ａは放電灯端子間の電圧波形図、第４図Ｂは非直線
性コンデンサに印加される電圧波形図、第５図は本考案
に係る放電灯回路の別の実施例における電気回路図、第
６図、第７図は更に別の実施例における要部の電気回路
図である。１・・・・・・放電灯、２・・・・・・安定器、Ｃｎ・
・・・・・非直線性コンデンサ、Ｑｌ・・・・・・三端
子サイリスタ、Ｄ２゜Ｄ３・・・・・・ダイオード、Ｒ
１−Ｒ７・・・・・・抵抗。第３図− 一−ｉア）Figure 1 is an electric circuit connection diagram of a conventional discharge lamp lighting circuit, Figure 2
The figure shows the applied voltage vs. accumulated charge characteristic diagram of a nonlinear capacitor.
Fig. 3 is an electric circuit diagram of the discharge lamp lighting circuit according to the present invention, Fig. 4A is a voltage waveform diagram between the discharge lamp terminals, Fig. 4B is a voltage waveform diagram applied to the nonlinear capacitor, and Fig. 5 The figure is an electric circuit diagram of another embodiment of the discharge lamp circuit according to the present invention, and FIGS. 6 and 7 are electrical circuit diagrams of main parts of still another embodiment. 1... Discharge lamp, 2... Ballast, Cn.
...Nonlinear capacitor, Ql... Three-terminal thyristor, D2゜D3... Diode, R
1-R7...Resistance. Figure 3-1-i-a)

Claims

[Scope of utility model registration request]

(1) A discharge lamp, an inductive ballast connected in series to the discharge lamp, a non-linear capacitor connected in parallel to the discharge lamp, and a non-linear capacitor connected in series to the ballast and the discharge lamp. and a switching element connected in parallel with the nonlinear capacitor, a parallel connection circuit of a diode, a resistor, and a capacitor is connected in series with the nonlinear capacitor and the switching element, and the switching element and the switching element are connected in series with the nonlinear capacitor and the switching element. A discharge lamp lighting circuit characterized in that a separate diode is connected in antiparallel to a series loop of diodes.

(2) A parallel connection circuit of a diode and a resistor is connected between the nonlinear capacitor and a parallel connection circuit of the diode and the resistor connected in series with the nonlinear capacitor. A discharge lamp lighting circuit according to claim 1 of the utility model registration claim.

(3) A series circuit of a diode and a resistor and a parallel circuit of a resistor are connected between the nonlinear capacitor and a parallel circuit of the diode and the resistor connected in series with the nonlinear capacitor. A discharge lamp lighting circuit according to claim 1 of the utility model registration claim.

(4) A claim for utility model registration characterized in that a Zener diode is connected between the non-linear capacitor and a parallel connection circuit of the diode and the resistor connected in series to the non-linear capacitor. A discharge lamp lighting circuit according to scope 1.

(5) The discharge lamp lighting circuit according to claim 4, which is a registered utility model, characterized in that a resistor is connected in series with the Zener diode.

(6) The discharge lamp lighting circuit according to claim 1, wherein the switching element is a three-terminal thyristor.