JPS58173198U

JPS58173198U - Discharge lamp lighting device

Info

Publication number: JPS58173198U
Application number: JP7136282U
Authority: JP
Inventors: 幹夫高木
Original assignee: 株式会社共進電機製作所
Priority date: 1982-05-14
Filing date: 1982-05-14
Publication date: 1983-11-19
Also published as: JPH0245998Y2

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 drawings]

第１図は本考案の実施例の回路図、第２〜８図は本考案
の他の実施例の回路図である。１・・・交流電源、２・・・電源スィッチ、３・・・全
波整流回路、４・・・インバータの発振回路の電子回路
部分、５．５ａ、　５ｂ、　６．６ａ、　ｅｂ、、、発
振トランスの１次側巻線、７・・・発振トランスのフィ
ードバック巻線、８，８ａ、８ｂ・・・発振トランス、
９゜９ａ、９ｂ、１４・・・放電灯のフィラメント加熱
用巻線、１０．　１０ａ、　　１０ｂ・・・発振トラン
スの放電電圧供給用巻線、１１・・・補助巻線、１２・
・・インピーダンス、１３・・・サイリスタ（スイッチ
ング素子）、１５，１５３・・・サイリスク・ゲート信
号供給回路用巻線、１６．１７・・・抵抗、１Ｂ、１９
゜２２〜２５・・・ダイオード、２１，２１ａ、２１ｂ
・・・放電灯、２７・・・ベース電流付勢用トランス。FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIGS. 2 to 8 are circuit diagrams of other embodiments of the present invention. DESCRIPTION OF SYMBOLS 1... AC power supply, 2... Power switch, 3... Full-wave rectifier circuit, 4... Electronic circuit part of the oscillation circuit of the inverter, 5.5a, 5b, 6.6a, eb,,, Primary winding of oscillation transformer, 7... Feedback winding of oscillation transformer, 8, 8a, 8b... Oscillation transformer,
9°9a, 9b, 14...Discharge lamp filament heating winding, 10. 10a, 10b... Winding for discharging voltage supply of oscillation transformer, 11... Auxiliary winding, 12...
... Impedance, 13... Thyristor (switching element), 15,153... Winding for thyrisk gate signal supply circuit, 16.17... Resistor, 1B, 19
゜22-25...Diode, 21, 21a, 21b
...Discharge lamp, 27...Base current energizing transformer.

Claims

[Scope of utility model registration request]

In a device that lights a plurality of discharge lamps using the output of an inverter driven by a direct current obtained by full-wave rectification of a commercial power source, the oscillation transformer of the inverter is divided to correspond to each of the plurality of discharge lamps. One of the discharge electrodes of each of the plurality of discharge lamps is connected to the same potential, and the secondary side of only one of the plurality of oscillation transformers of the plurality of divided oscillation transformers is connected. , an additional auxiliary winding is provided in addition to the discharge voltage supply winding,
After connecting the discharge voltage supply windings of all the oscillation transformers of the above-mentioned split configuration including this transformer to the above-mentioned auxiliary winding in opposite phase, this auxiliary winding is connected through an impedance connected in series with it. , connected to the discharge electrodes of the discharge lamps connected to the same potential, and further connected in parallel to the series circuit portion consisting of the auxiliary winding and the impedance, and after a predetermined time has elapsed after the power is turned on, the series circuit By connecting a switching element that shorts the parts, the discharge voltage supply winding output voltage of the oscillation transformer corresponding to each discharge lamp is connected between the discharge lamp electric electrodes until a predetermined time elapses after the power is turned on. A lighting device for a discharge lamp, characterized in that a voltage different from the output voltage of the auxiliary winding is applied.