JPH0291198U - - Google Patents
Info
- Publication number
- JPH0291198U JPH0291198U JP17093388U JP17093388U JPH0291198U JP H0291198 U JPH0291198 U JP H0291198U JP 17093388 U JP17093388 U JP 17093388U JP 17093388 U JP17093388 U JP 17093388U JP H0291198 U JPH0291198 U JP H0291198U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- fluorescent lamp
- doubler rectifier
- voltage doubler
- lighting device
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は、本考案に係る螢光灯点灯装置の一例
を示す回路図である。第２図は、インバータトラ
ンスの２次側に発生する電圧を表わしたグラフを
示す図である。第３図は、第１図に示した回路に
よつて螢光灯に印加される電圧の時間的変化を表
わしたグラフを示す図である。第４図は従来の螢
光灯点灯装置を示す回路図である。第５図は一般
的な螢光灯の電圧電流特性を表わしたグラフを示
す図である。第６図は第４図に示した回路によつ
て螢光灯に印加される電圧の時間的変化を表わし
たグラフを示す図である。
図中、１は直流交流変換手段の一例のインバー
タ、４はインバータトランス、７は螢光灯、Ｃ１
は倍圧用コンデンサ、Ｃ２はクリツピングコンデ
ンサ、Ｃ３は電流制限用コンデンサ、Ｄは倍圧整
流用ダイオードである。
FIG. 1 is a circuit diagram showing an example of a fluorescent lamp lighting device according to the present invention. FIG. 2 is a graph showing the voltage generated on the secondary side of the inverter transformer. FIG. 3 is a graph showing the temporal change in the voltage applied to the fluorescent lamp by the circuit shown in FIG. FIG. 4 is a circuit diagram showing a conventional fluorescent lamp lighting device. FIG. 5 is a graph showing the voltage-current characteristics of a general fluorescent lamp. FIG. 6 is a graph showing temporal changes in the voltage applied to the fluorescent lamp by the circuit shown in FIG. 4. In the figure, 1 is an inverter as an example of DC/AC conversion means, 4 is an inverter transformer, 7 is a fluorescent lamp, and C 1
is a voltage doubler capacitor, C2 is a clipping capacitor, C3 is a current limiting capacitor, and D is a voltage doubler rectifier diode.
Claims (1)
を備えた螢光灯点灯装置であつて、 前記直流交流変換手段によつて変換された交流
電流に基づいてその交流電流の交流電圧よりも高
い直流電圧を発生させて前記螢光灯に印加するた
めの倍電圧整流手段と、 前記螢光灯のグロー放電からアーク放電への切
換わりに伴う螢光灯に印加される電圧の低下に基
づいて前記倍電圧整流手段の倍電圧整流機能を停
止させる倍電圧整流機能停止手段とを含む、螢光
灯点灯装置。[Scope of Claim for Utility Model Registration] A fluorescent lamp lighting device equipped with a DC-AC conversion means for converting DC into AC, wherein the AC is generated based on the AC current converted by the DC-AC conversion means. voltage doubler rectifier means for generating a DC voltage higher than the AC voltage of the current and applying it to the fluorescent lamp; A fluorescent lamp lighting device comprising voltage doubler rectifier function stop means for stopping the voltage doubler rectifier function of the voltage doubler rectifier based on a voltage drop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17093388U JPH0291198U (en) | 1988-12-28 | 1988-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17093388U JPH0291198U (en) | 1988-12-28 | 1988-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0291198U true JPH0291198U (en) | 1990-07-19 |
Family
ID=31462310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17093388U Pending JPH0291198U (en) | 1988-12-28 | 1988-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0291198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04312794A (en) * | 1991-04-11 | 1992-11-04 | Tokyo Electric Co Ltd | Discharge lamp lighting apparatus |
-
1988
- 1988-12-28 JP JP17093388U patent/JPH0291198U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04312794A (en) * | 1991-04-11 | 1992-11-04 | Tokyo Electric Co Ltd | Discharge lamp lighting apparatus |
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