JPS61798U - discharge lamp lighting device - Google Patents
discharge lamp lighting deviceInfo
- Publication number
- JPS61798U JPS61798U JP8509384U JP8509384U JPS61798U JP S61798 U JPS61798 U JP S61798U JP 8509384 U JP8509384 U JP 8509384U JP 8509384 U JP8509384 U JP 8509384U JP S61798 U JPS61798 U JP S61798U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- preheating
- lighting device
- lamp lighting
- output
- 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図および第２図は各々従来装置の回路図、第３図は
本考案装置の回路図、第４図ａ，ｂは夫々本考案装置の
予熱時および点灯時における要部等価回路図である。
１・・・直流電源、２・・・インバータ、３・・・放電
灯、７・・・発振トランス（リーケージトランス）、１
１．１１’・・・フィラメント、１２・・・抵抗（電流
制限素子）、１３・・・サイリスタ、１４・・・制御回
路、１７・・・予熱回路、１８．１９・・・予熱巻線。
尚、図中同一符号は同一又は相当部分を示す。Figures 1 and 2 are circuit diagrams of the conventional device, Figure 3 is a circuit diagram of the device of the present invention, and Figures 4a and b are equivalent circuit diagrams of the main parts of the device of the present invention during preheating and lighting, respectively. be. 1... DC power supply, 2... Inverter, 3... Discharge lamp, 7... Oscillation transformer (leakage transformer), 1
1.11'...Filament, 12...Resistor (current limiting element), 13...Thyristor, 14...Control circuit, 17...Preheating circuit, 18.19...Preheating winding. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (2)
もに出力トランスとしてリーケージトランスを有するイ
ンバータと、直流電源と直列に接続された電流制限素子
と、電流制限素子と並列に接続されたスイッチと、電流
制限素子を介してインバータを発振させて放電灯のフィ
ラメントを予熱した後に前記スイッチがオンするように
前記スイッチを制御する制御回路と、リーケージトラン
ズの１次側および２次側に設けられた予熱巻線の合成出
力により放電灯のフィラメントを予熱する予熱回路を備
えたことを特徴とする放電灯点灯装置。(1) A DC power supply, an inverter energized by the DC power supply and having a leakage transformer as an output transformer, a current limiting element connected in series with the DC power supply, and a switch connected in parallel with the current limiting element. , a control circuit that controls the switch so that the switch is turned on after preheating the filament of the discharge lamp by oscillating the inverter via a current limiting element; and a control circuit provided on the primary and secondary sides of the leakage transistor. A discharge lamp lighting device characterized by comprising a preheating circuit that preheats a filament of a discharge lamp using a combined output of a preheating winding.
設けられた予熱巻線を加極性に結線して合成出力を出す
ようにしたことを特徴とする実用新案登録坤求の範囲第
１項記載の放電灯点灯装置。(2) Paragraph 1 of the scope of the application for utility model registration, which is characterized in that the preheating windings provided on the primary and secondary sides of a leakage transformer are connected in a polarized manner to output a composite output. discharge lamp lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8509384U JPS61798U (en) | 1984-06-08 | 1984-06-08 | discharge lamp lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8509384U JPS61798U (en) | 1984-06-08 | 1984-06-08 | discharge lamp lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61798U true JPS61798U (en) | 1986-01-07 |
Family
ID=30635169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8509384U Pending JPS61798U (en) | 1984-06-08 | 1984-06-08 | discharge lamp lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61798U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849900B2 (en) * | 1978-12-26 | 1983-11-07 | 富士通株式会社 | Diagnosis method during IPL |
-
1984
- 1984-06-08 JP JP8509384U patent/JPS61798U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849900B2 (en) * | 1978-12-26 | 1983-11-07 | 富士通株式会社 | Diagnosis method during IPL |
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