JPS5811897U - discharge lamp lighting device - Google Patents
discharge lamp lighting deviceInfo
- Publication number
- JPS5811897U JPS5811897U JP10599681U JP10599681U JPS5811897U JP S5811897 U JPS5811897 U JP S5811897U JP 10599681 U JP10599681 U JP 10599681U JP 10599681 U JP10599681 U JP 10599681U JP S5811897 U JPS5811897 U JP S5811897U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- lighting device
- lamp lighting
- switch element
- 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
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (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図はこの考案の第一の実施例を示す回路図、第2図
は各部の波形図、第3図はこの考案の第二の実施例を示
す回路図、第4図はこの考案の第三の実施例を示す回路
図である。
LF・・・・・・放電灯、L・・・・・・限流用チョー
ク(限流インダクタンス)、C・・・・・・コンデンサ
、T・・・・・・トライアック(スイッチ素子)、SB
S・・・・・・トリガ素子(トリガ回路)。Fig. 1 is a circuit diagram showing the first embodiment of this invention, Fig. 2 is a waveform diagram of each part, Fig. 3 is a circuit diagram showing a second embodiment of this invention, and Fig. 4 is a circuit diagram showing the second embodiment of this invention. FIG. 7 is a circuit diagram showing a third embodiment. LF: Discharge lamp, L: Current limiting choke (current limiting inductance), C: Capacitor, T: Triac (switch element), SB
S...Trigger element (trigger circuit).
Claims (1)
ンスと、この限流インダクタンスに高いパルス電圧を発
生させるためのコンデンサとスイ・ ツチ素子との直
列回路と、前記スイッチ素子を交流電源の半サイクル毎
の一定の位相でオンさせるためのトリガ回路とよりなる
ものにおいて、前記スイッチ素子のトリガ位相を変化さ
せる手段を設けたことを特徴とする放電灯点灯装置。A current-limiting inductance for limiting the current flowing into the discharge lamp, a series circuit of a capacitor and a switch element for generating a high pulse voltage across the current-limiting inductance, and a series circuit that connects the switching element every half cycle of an AC power supply. What is claimed is: 1. A discharge lamp lighting device comprising a trigger circuit for turning on the switch element at a constant phase, the discharge lamp lighting device comprising means for changing the trigger phase of the switch element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10599681U JPS5811897U (en) | 1981-07-16 | 1981-07-16 | discharge lamp lighting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10599681U JPS5811897U (en) | 1981-07-16 | 1981-07-16 | discharge lamp lighting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5811897U true JPS5811897U (en) | 1983-01-25 |
Family
ID=29900506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10599681U Pending JPS5811897U (en) | 1981-07-16 | 1981-07-16 | discharge lamp lighting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5811897U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954197A (en) * | 1982-09-20 | 1984-03-28 | 日立照明株式会社 | Device for dimming discharge lamp |
-
1981
- 1981-07-16 JP JP10599681U patent/JPS5811897U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5954197A (en) * | 1982-09-20 | 1984-03-28 | 日立照明株式会社 | Device for dimming discharge lamp |
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