JPH0339300U - - Google Patents
Info
- Publication number
- JPH0339300U JPH0339300U JP9847889U JP9847889U JPH0339300U JP H0339300 U JPH0339300 U JP H0339300U JP 9847889 U JP9847889 U JP 9847889U JP 9847889 U JP9847889 U JP 9847889U JP H0339300 U JPH0339300 U JP H0339300U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- circuit
- inverter circuit
- lighting
- starter
- 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
- 239000007858 starting material Substances 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 2
- 238000009499 grossing Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図はこの考案の一実施例の主要部の概略構
成を示す回路図、第２図は従来の放電ランプ点灯
装置の概略を示す回路図である。
図中、１……ランプ、２０……電源回路、２１
，２２……半導体スイツチング素子、２３……ド
ライブ回路、２４……制御回路、２５……トラン
ス、２６……起動器、Ｃ１，Ｃ２，Ｃ′１，Ｃ′
２，Ｃ３……コンデンサ、Ｃ５……電解コンデン
サ、Ｒ０，Ｒ１，Ｒ２，Ｒ′１，Ｒ′２，Ｒ５，
Ｒ６……抵抗、Ｄ１，Ｄ２，Ｄ′１，Ｄ′２……
ダイオード。
FIG. 1 is a circuit diagram showing a schematic configuration of the main parts of an embodiment of this invention, and FIG. 2 is a circuit diagram showing an outline of a conventional discharge lamp lighting device. In the figure, 1... lamp, 20... power supply circuit, 21
, 22... Semiconductor switching element, 23... Drive circuit, 24... Control circuit, 25... Transformer, 26... Starter, C 1 , C 2 , C' 1 , C'
2 , C 3 ... capacitor, C 5 ... electrolytic capacitor, R 0 , R 1 , R 2 , R' 1 , R' 2 , R 5 ,
R 6 ...Resistance, D 1 , D 2 , D' 1 , D' 2 ...
diode.
Claims (1)
電源回路の出力を高周波矩形波に変換するインバ
ータ回路と、このインバータ回路の出力により点
灯する放電ランプと、該インバータ回路と該放電
ランプの間に接続された整流平滑回路及び突入電
流抑制用のチヨークコイルと、該放電ランプの点
灯始動時において高圧を供給する起動器と、該放
電ランプの点灯電圧及び点灯電流を検出して該イ
ンバータ回路にフイードバツクする制御回路とを
有する放電ランプ点灯装置において、前記突入電
流抑制用のチヨークコイルには並列に抵抗が接続
されたことを特徴とする放電ランプ点灯装置。 A power supply street whose output voltage has a constant polarity, an inverter circuit that converts the output of this power supply circuit into a high-frequency rectangular wave, a discharge lamp that is lit by the output of this inverter circuit, and a circuit between the inverter circuit and the discharge lamp. A connected rectifier smoothing circuit and a choke coil for inrush current suppression, a starter that supplies high voltage when starting the discharge lamp, and a starter that detects the lighting voltage and lighting current of the discharge lamp and provides feedback to the inverter circuit. 1. A discharge lamp lighting device comprising a control circuit, wherein a resistor is connected in parallel to the inrush current suppression coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9847889U JPH0339300U (en) | 1989-08-25 | 1989-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9847889U JPH0339300U (en) | 1989-08-25 | 1989-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0339300U true JPH0339300U (en) | 1991-04-16 |
Family
ID=31647576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9847889U Pending JPH0339300U (en) | 1989-08-25 | 1989-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0339300U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008029445A1 (en) * | 2006-09-05 | 2008-03-13 | Panasonic Corporation | Discharge lamp lighting apparatus |
| JP2011154857A (en) * | 2010-01-27 | 2011-08-11 | Ushio Inc | Discharge lamp power feed device and discharge lamp lighting device |
| JP2011154856A (en) * | 2010-01-27 | 2011-08-11 | Ushio Inc | Discharge-lamp power feed device |
-
1989
- 1989-08-25 JP JP9847889U patent/JPH0339300U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008029445A1 (en) * | 2006-09-05 | 2008-03-13 | Panasonic Corporation | Discharge lamp lighting apparatus |
| JP2011154857A (en) * | 2010-01-27 | 2011-08-11 | Ushio Inc | Discharge lamp power feed device and discharge lamp lighting device |
| JP2011154856A (en) * | 2010-01-27 | 2011-08-11 | Ushio Inc | Discharge-lamp power feed device |
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