JPS6289799U - - Google Patents
Info
- Publication number
- JPS6289799U JPS6289799U JP18197185U JP18197185U JPS6289799U JP S6289799 U JPS6289799 U JP S6289799U JP 18197185 U JP18197185 U JP 18197185U JP 18197185 U JP18197185 U JP 18197185U JP S6289799 U JPS6289799 U JP S6289799U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- lighting device
- inductor
- lamp lighting
- current
- 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)
Description
第１図はこの考案の放電灯点灯装置の一実施例
を示す回路図、第２図はこの考案の放電灯点灯装
置の他の実施例の第１図とは異なる部分を示す回
路図、第３図は従来の放電灯点灯装置を示す回路
図である。
１……直流電源、２……電源スイツチ、３……
インバータ、４……出力トランス、５……出力巻
線、７……放電灯、９……タイマ回路、１５……
マグネツトリレー、１８……チヨークコイル。な
お、図中同一符号は同一または相当部分を示す。
FIG. 1 is a circuit diagram showing one embodiment of the discharge lamp lighting device of this invention, and FIG. 2 is a circuit diagram showing a different part from FIG. 1 of another embodiment of the discharge lamp lighting device of this invention. FIG. 3 is a circuit diagram showing a conventional discharge lamp lighting device. 1...DC power supply, 2...Power switch, 3...
Inverter, 4... Output transformer, 5... Output winding, 7... Discharge lamp, 9... Timer circuit, 15...
Magnetic relay, 18...Chiyoke coil. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
イツチの投入で動作を開始するタイマ回路と、上
記電流電圧を高周波電圧に変換する出力トランス
を有するインバータ回路と、このインバータ回路
の高周波出力によつて点灯する放電灯と、この放
電灯のランプ電流を制限するインダクタと、電源
スイツチ投入時からインバータ回路は発振させず
に上記直流電源から上記出力トランスの出力巻線
と上記インダクタを介して上記放電灯の電極に予
熱電流を供給しかつ上記タイマ回路動作によつて
設定した一定時間後この予熱電流をオフして上記
インバータ回路に上記直流電源を供給してインバ
ータ回路を発振させるように切り換わる切換手段
とを備えてなることを特徴とする放電灯点灯装置
。 (2) インダクタは上記出力トランスのリーケー
ジインダクタであることを特徴とする実用新案登
録請求の範囲第１項記載の放電灯点灯装置。 (3) インダクタはチヨークコイルであることを
特徴とする実用新案登録請求の範囲第１項記載の
放電灯点灯装置。 (4) 放電灯の二つの電極が直流電源に対して直
列接続となることを特徴とする実用新案登録請求
の範囲第１項記載の放電灯点灯装置。 (5) 放電灯の二つの電極が直流電源に対して並
列接続となることを特徴とする実用新案登録請求
の範囲第１項記載の放電灯点灯装置。[Claims for Utility Model Registration] (1) An inverter circuit having a current power source, a power switch, a timer circuit that starts operating when the power switch is turned on, and an output transformer that converts the current voltage into a high-frequency voltage; A discharge lamp that is lit by the high-frequency output of this inverter circuit, an inductor that limits the lamp current of this discharge lamp, and an output winding of the output transformer that is connected to the DC power source without oscillating the inverter circuit from the time the power switch is turned on. A preheating current is supplied to the electrodes of the discharge lamp via the inductor, and after a certain period of time set by the operation of the timer circuit, the preheating current is turned off and the DC power is supplied to the inverter circuit. 1. A discharge lamp lighting device comprising: switching means that switches to oscillate. (2) The discharge lamp lighting device according to claim 1, wherein the inductor is a leakage inductor of the output transformer. (3) The discharge lamp lighting device according to claim 1, wherein the inductor is a chiyoke coil. (4) The discharge lamp lighting device according to claim 1, wherein the two electrodes of the discharge lamp are connected in series to a DC power source. (5) The discharge lamp lighting device according to claim 1, wherein the two electrodes of the discharge lamp are connected in parallel to a DC power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18197185U JPS6289799U (en) | 1985-11-26 | 1985-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18197185U JPS6289799U (en) | 1985-11-26 | 1985-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6289799U true JPS6289799U (en) | 1987-06-09 |
Family
ID=31127339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18197185U Pending JPS6289799U (en) | 1985-11-26 | 1985-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289799U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5384379A (en) * | 1976-09-30 | 1978-07-25 | Uni Sazan Karifuorunia | Multichannel endoscope |
| JPS60160595A (en) * | 1984-01-31 | 1985-08-22 | 明治ナシヨナル工業株式会社 | Device for firing discharge lamp |
| JPS6142800B2 (en) * | 1981-08-04 | 1986-09-24 | Nippon Light Metal Co |
-
1985
- 1985-11-26 JP JP18197185U patent/JPS6289799U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5384379A (en) * | 1976-09-30 | 1978-07-25 | Uni Sazan Karifuorunia | Multichannel endoscope |
| JPS6142800B2 (en) * | 1981-08-04 | 1986-09-24 | Nippon Light Metal Co | |
| JPS60160595A (en) * | 1984-01-31 | 1985-08-22 | 明治ナシヨナル工業株式会社 | Device for firing discharge lamp |
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