JPS6299200U - - Google Patents
Info
- Publication number
- JPS6299200U JPS6299200U JP19133985U JP19133985U JPS6299200U JP S6299200 U JPS6299200 U JP S6299200U JP 19133985 U JP19133985 U JP 19133985U JP 19133985 U JP19133985 U JP 19133985U JP S6299200 U JPS6299200 U JP S6299200U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- parallel
- constant voltage
- series
- voltage diode
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案に係る放電灯点灯回路の電気回
路図、第２図は従来の放電灯点灯回路の電気回路
接続図、第３図は非直線性コンデンサの印加電圧
一充電電流特性図、第４図は回路動作を説明する
電圧、電流波形図、第５図ａ，ｂは放電灯の管電
圧波形図である。
１……放電灯、２……安定器、Ｃｎ……非直線
性コンデンサ、Ｑ１……半導体スイツチ、Ｄ２…
…定電圧ダイオード、ＰＴＣ……正特性サーミス
タ。
Fig. 1 is an electrical circuit diagram of a discharge lamp lighting circuit according to the present invention, Fig. 2 is an electrical circuit connection diagram of a conventional discharge lamp lighting circuit, and Fig. 3 is a diagram of applied voltage-charging current characteristics of a nonlinear capacitor. FIG. 4 is a voltage and current waveform diagram for explaining circuit operation, and FIGS. 5a and 5b are tube voltage waveform diagrams of a discharge lamp. 1...discharge lamp, 2...ballast, Cn...nonlinear capacitor, Q1 ...semiconductor switch, D2 ...
... Constant voltage diode, PTC... Positive characteristic thermistor.
Claims (1)
性安定器と、前記放電灯に並列に接続される非直
線性コンデンサと、前記非直線性コンデンサと直
列に接続される定電圧ダイオードと、前記放電灯
に並列に接続される半導体スイツチとを備える放
電灯点灯回路において、前記定電圧ダイオードと
並列に正特性サーミスタを接続したことを特徴と
する放電灯点灯回路。 a discharge lamp, an inductive ballast connected in series with the discharge lamp, a nonlinear capacitor connected in parallel with the discharge lamp, and a constant voltage diode connected in series with the nonlinear capacitor; A discharge lamp lighting circuit comprising a semiconductor switch connected in parallel to the discharge lamp, characterized in that a positive temperature coefficient thermistor is connected in parallel to the constant voltage diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19133985U JPS6299200U (en) | 1985-12-12 | 1985-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19133985U JPS6299200U (en) | 1985-12-12 | 1985-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6299200U true JPS6299200U (en) | 1987-06-24 |
Family
ID=31145387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19133985U Pending JPS6299200U (en) | 1985-12-12 | 1985-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6299200U (en) |
-
1985
- 1985-12-12 JP JP19133985U patent/JPS6299200U/ja active Pending
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