JPH0256399U - - Google Patents
Info
- Publication number
- JPH0256399U JPH0256399U JP13458188U JP13458188U JPH0256399U JP H0256399 U JPH0256399 U JP H0256399U JP 13458188 U JP13458188 U JP 13458188U JP 13458188 U JP13458188 U JP 13458188U JP H0256399 U JPH0256399 U JP H0256399U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- gap
- discharge lamp
- igniter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の実施例のイグナイタ回路の具
体回路図、第２図は同上のプリント基板上にダミ
ーギヤツプ部を形成した場合の構成図、第３図は
同上のダミーギヤツプ部及び抵抗ＲＤをプリント
基板上に形成した場合の構成図、第４図は点灯装
置のブロツク図、第５図は従来例のイグナイタ回
路の具体回路図、第６図は同上の動作波形図、第
７図は同上の点滅回数における特性図である。
１は点灯回路、２はイグナイタ回路、３は高圧
放電ランプ、４は電源、５は直流高電圧発生回路
、１０はギヤツプ部、１１はダミーギヤツプ部、
Ｇは放電ギヤツプ、ＧＤはギヤツプである。
Fig. 1 is a specific circuit diagram of an igniter circuit according to an embodiment of the present invention, Fig. 2 is a configuration diagram when a dummy gap portion is formed on the same printed circuit board, and Fig. 3 is a printed circuit diagram of the same dummy gap portion and resistor RD. 4 is a block diagram of the lighting device, FIG. 5 is a specific circuit diagram of a conventional igniter circuit, FIG. 6 is an operating waveform diagram of the same as above, and FIG. 7 is a diagram of the same as above. It is a characteristic diagram regarding the number of blinks. 1 is a lighting circuit, 2 is an igniter circuit, 3 is a high-pressure discharge lamp, 4 is a power supply, 5 is a DC high voltage generation circuit, 10 is a gap part, 11 is a dummy gap part,
G is a discharge gap, and GD is a gap.
Claims (1)
ランプと、この高圧放電ランプを点弧させるイグ
ナイタ回路の昇圧トランスの二次巻線よりなる直
列回路を接続し、高圧放電ランプと二次巻線より
なる直列回路と並列にバイパス用コンデンサを接
続した高圧放電灯点灯装置を設け、上記イグナイ
タ回路を、直流高電圧を発生する直流高電圧発生
回路と、この直流高電圧発生回路の出力電圧を充
電する充電回路と、充電回路の充電電荷を放電さ
せる上記昇圧トランスの一次巻線及び所定電圧値
以上で放電する放電ギヤツプを有するギヤツプ部
からなる直列回路とで構成した高圧放電灯用イグ
ナイタ装置において、初期の放電ギヤツプの放電
開始電圧よりも高く昇圧トランス等の絶縁破壊が
生じない電圧値よりも低い電圧で放電を開始する
ギヤツプを設けたダミーギヤツプ部とインピーダ
ンスからなる直列回路を上記放電ギヤツプに並列
に設け、上記インピーダンスに流れる電流を検知
し、上記直流高電圧発生回路の出力電圧を低下さ
せる制御手段を設けたことを特徴とする高圧放電
灯用イグナイタ装置。 A series circuit consisting of at least an inductive ballast, a high-pressure discharge lamp, and a secondary winding of a step-up transformer of an igniter circuit for igniting this high-pressure discharge lamp is connected to the power supply, and A high-pressure discharge lamp lighting device is provided in which a bypass capacitor is connected in parallel to the series circuit, and the igniter circuit is charged with a DC high-voltage generation circuit that generates a DC high voltage and the output voltage of this DC high-voltage generation circuit. In an igniter device for a high-pressure discharge lamp, the igniter device is configured of a charging circuit, a series circuit consisting of a primary winding of the step-up transformer that discharges the charge of the charging circuit, and a gap section having a discharge gap that discharges at a predetermined voltage value or higher. A series circuit consisting of an impedance and a dummy gap part provided with a gap that starts discharge at a voltage higher than the discharge starting voltage of the discharge gap and lower than a voltage value at which dielectric breakdown of the step-up transformer etc. does not occur is provided in parallel with the discharge gap. An igniter device for a high pressure discharge lamp, comprising a control means for detecting the current flowing through the impedance and lowering the output voltage of the DC high voltage generating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13458188U JPH0256399U (en) | 1988-10-15 | 1988-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13458188U JPH0256399U (en) | 1988-10-15 | 1988-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0256399U true JPH0256399U (en) | 1990-04-24 |
Family
ID=31393470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13458188U Pending JPH0256399U (en) | 1988-10-15 | 1988-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0256399U (en) |
-
1988
- 1988-10-15 JP JP13458188U patent/JPH0256399U/ja active Pending
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