JPS6384900U - - Google Patents
Info
- Publication number
- JPS6384900U JPS6384900U JP17911286U JP17911286U JPS6384900U JP S6384900 U JPS6384900 U JP S6384900U JP 17911286 U JP17911286 U JP 17911286U JP 17911286 U JP17911286 U JP 17911286U JP S6384900 U JPS6384900 U JP S6384900U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- current transformer
- parallel
- series
- circuit
- 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
- 238000004804 winding Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、本考案による一実施例の放電灯点灯
装置の回路図、第２図は、従来例の第１図相当図
である。
１……整流器、２……平滑用コンデンサ、３…
…共振用コンデンサ、４……電流制限用インダク
タンス、５……共振用インダクタンス、６……放
電灯、７……コンデンサ、８……トランジスタ、
９……電流変成器、９１……一次巻線、９２……
二次巻線、１７……突入電流防止用抵抗。なお、
各図中同一符号は、同一又は相当部分を示すもの
とする。
FIG. 1 is a circuit diagram of a discharge lamp lighting device according to an embodiment of the present invention, and FIG. 2 is a diagram corresponding to FIG. 1 of a conventional example. 1... Rectifier, 2... Smoothing capacitor, 3...
...Resonant capacitor, 4... Current limiting inductance, 5... Resonant inductance, 6... Discharge lamp, 7... Capacitor, 8... Transistor,
9...Current transformer, 91...Primary winding, 92...
Secondary winding, 17...Resistor for inrush current prevention. In addition,
The same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
とを直列接続してなる自励式インバータ回路を接
続し、前記ＬＣ並列共振回路と並列に電流制限用
素子と放電灯の直列回路とを接続し、さらに、該
放電灯と並列に始動回路を接続するとともに、放
電灯と直列に電流変成器を接続し、該電流変成器
の一次巻線により、前記放電灯電流を検出し、電
流変成器の二次巻線に発生する電圧でもつて、前
記トランジスタのスイツチングを制御してなる放
電灯点灯装置において、前記電流変成器の一次巻
線の一端を前記ＬＣ並列共振回路の直流電源側端
子に接続して構成したことを特徴とする放電灯点
灯装置。 A self-excited inverter circuit formed by connecting an LC parallel resonant circuit and a transistor in series is connected to a DC power source, a current limiting element and a series circuit of a discharge lamp are connected in parallel with the LC parallel resonant circuit, and further, A starting circuit is connected in parallel with the discharge lamp, and a current transformer is connected in series with the discharge lamp, the discharge lamp current is detected by the primary winding of the current transformer, and the secondary winding of the current transformer is detected. In the discharge lamp lighting device which controls the switching of the transistor according to the voltage generated in the line, one end of the primary winding of the current transformer is connected to the DC power supply side terminal of the LC parallel resonant circuit. A discharge lamp lighting device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17911286U JPS6384900U (en) | 1986-11-21 | 1986-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17911286U JPS6384900U (en) | 1986-11-21 | 1986-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6384900U true JPS6384900U (en) | 1988-06-03 |
Family
ID=31121879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17911286U Pending JPS6384900U (en) | 1986-11-21 | 1986-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6384900U (en) |
-
1986
- 1986-11-21 JP JP17911286U patent/JPS6384900U/ja active Pending