JPS6099800U - discharge lamp lighting device - Google Patents
discharge lamp lighting deviceInfo
- Publication number
- JPS6099800U JPS6099800U JP19203283U JP19203283U JPS6099800U JP S6099800 U JPS6099800 U JP S6099800U JP 19203283 U JP19203283 U JP 19203283U JP 19203283 U JP19203283 U JP 19203283U JP S6099800 U JPS6099800 U JP S6099800U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- circuit
- lighting device
- frequency
- lamp lighting
- 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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例を示す回路図、第２図は従来例における
始動パルス波形を示す図、第３図はこの考案の実施例を
示す回路図、第４図は同実施例における始動パルス波形
を示す図である。
１１・・・交流電源、１２・・・全波整流用ダイオード
ブリッジ回路、１３・・・高周波発振回路、１４・・・
−次巻線（限流用チョークコイル）、１５・・・二次巻
線（インダクタンスコイル）、１６・・・放電灯、１７
・・・スイッチング回路、１８・・・コンデンサ、１９
・・・直列共振回路。Figure 1 is a circuit diagram showing a conventional example, Figure 2 is a diagram showing a starting pulse waveform in the conventional example, Figure 3 is a circuit diagram showing an embodiment of this invention, and Figure 4 is a starting pulse waveform in the same embodiment. FIG. 11... AC power supply, 12... Full-wave rectification diode bridge circuit, 13... High frequency oscillation circuit, 14...
- Secondary winding (current limiting choke coil), 15... Secondary winding (inductance coil), 16... Discharge lamp, 17
...Switching circuit, 18...Capacitor, 19
...Series resonant circuit.
Claims (1)
点灯回路の出力端子に限流用のチョークコイルを介して
接続された放電灯と、この放電灯に前記チョークコイル
と磁気的に結合されたインダクタンスコイルを介して並
列に接続された予熱電流断続用のスイッチング回路と、
このスイッチング回路に並列に接続されたコンデンサと
を設け、前記インダクタンスコイルとコンデンサとで直
列共振回路を形成し、その共振回路の共振周波数を前記
放電灯の始動パルスの周波数に略合わせたことを特徴と
する放電灯点灯装置。A high-frequency lighting circuit having a rectifier circuit and an oscillation circuit, a discharge lamp connected to an output terminal of the lighting circuit via a current-limiting choke coil, and an inductance coil magnetically coupled to the choke coil to the discharge lamp. a switching circuit for intermittent preheating current connected in parallel through the
The switching circuit is provided with a capacitor connected in parallel, the inductance coil and the capacitor form a series resonant circuit, and the resonant frequency of the resonant circuit is approximately matched to the frequency of the starting pulse of the discharge lamp. Discharge lamp lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19203283U JPS6099800U (en) | 1983-12-13 | 1983-12-13 | discharge lamp lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19203283U JPS6099800U (en) | 1983-12-13 | 1983-12-13 | discharge lamp lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6099800U true JPS6099800U (en) | 1985-07-08 |
Family
ID=30413374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19203283U Pending JPS6099800U (en) | 1983-12-13 | 1983-12-13 | discharge lamp lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6099800U (en) |
-
1983
- 1983-12-13 JP JP19203283U patent/JPS6099800U/en active Pending
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