JPS5941999U - discharge lamp lighting device - Google Patents
discharge lamp lighting deviceInfo
- Publication number
- JPS5941999U JPS5941999U JP13656682U JP13656682U JPS5941999U JP S5941999 U JPS5941999 U JP S5941999U JP 13656682 U JP13656682 U JP 13656682U JP 13656682 U JP13656682 U JP 13656682U JP S5941999 U JPS5941999 U JP S5941999U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- voltage
- switching
- lighting device
- discharge lamp
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は周囲温度Ｔａに対するＳＣＲのゲートトリガ電
圧Ｖｏｎ特性の１例を示すグラフ、第２図は第１図の特
性を有するＳＣＲを用いた従来の出力電圧切換回路の動
作説明のためのグラフ、第３図は本考案の１実施例に係
る放電灯点灯装置の回路図である。
１１・・・・・・交流電源、１２・・・・・・整流回路
、１４・・・・・・インバータ、１５．１６・・・・・
・トランジスタ、１８・・・・・・ベース駆動回路、２
０・・・・・・出カドランス、２１．２２．２３・・・
・・・バイアス抵抗、２５・・・・・・ＳＣＲ，２６・
・・・・・コンデンサ、２７・・・・・・サーミスタ（
感温素子）、３０・・・・・・放電灯。Fig. 1 is a graph showing an example of the gate trigger voltage Von characteristics of an SCR with respect to ambient temperature Ta, and Fig. 2 is a graph for explaining the operation of a conventional output voltage switching circuit using an SCR having the characteristics shown in Fig. 1. , FIG. 3 is a circuit diagram of a discharge lamp lighting device according to an embodiment of the present invention. 11... AC power supply, 12... Rectifier circuit, 14... Inverter, 15.16...
・Transistor, 18...Base drive circuit, 2
0... Output Lance, 21.22.23...
...Bias resistance, 25...SCR, 26.
... Capacitor, 27 ... Thermistor (
temperature sensing element), 30...discharge lamp.
Claims (1)
は前記ランプへの印加電圧をランプの点弧電圧以下に保
持してフィラメントの予熱を行ない、しかる後前記印加
電圧を前記点弧電圧以上の電圧に切り換えて前記ランプ
を点灯させる放電灯点灯装置において、前記電圧切換手
段は半導体スイッチング素子と、このスイッチング素子
の導通を制御する時定数回路と、この時定数回路に設け
られた温度補償用の感温素子とを具備することを特徴と
する放電灯点灯装置。 ２ プッシュプル形トランジスタインバータを備え、前
記電圧切換手段はこのインバータの出力トランジスタの
ベースバイアス電流を切り換えることによりランプ印加
電圧を増減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. The device is equipped with means for switching the voltage applied to the lamp, and when starting the lamp, the voltage applied to the lamp is maintained below the ignition voltage of the lamp to preheat the filament, and then the voltage applied to the lamp is changed. In a discharge lamp lighting device that lights the lamp by switching a voltage to a voltage higher than the ignition voltage, the voltage switching means includes a semiconductor switching element, a time constant circuit for controlling conduction of the switching element, and the time constant circuit. 1. A discharge lamp lighting device comprising: a temperature-sensing element for temperature compensation provided at a temperature-compensating temperature-sensing element; 2. The discharge lamp lighting device according to claim 1, which includes a push-pull transistor inverter, and wherein the voltage switching means increases or decreases the voltage applied to the lamp by switching the base bias current of the output transistor of the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13656682U JPS5941999U (en) | 1982-09-10 | 1982-09-10 | discharge lamp lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13656682U JPS5941999U (en) | 1982-09-10 | 1982-09-10 | discharge lamp lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5941999U true JPS5941999U (en) | 1984-03-17 |
Family
ID=30307019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13656682U Pending JPS5941999U (en) | 1982-09-10 | 1982-09-10 | discharge lamp lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5941999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62193891U (en) * | 1986-05-30 | 1987-12-09 |
-
1982
- 1982-09-10 JP JP13656682U patent/JPS5941999U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62193891U (en) * | 1986-05-30 | 1987-12-09 |
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