JPS58131598U - Discharge lamp dimmer lighting device - Google Patents
Discharge lamp dimmer lighting deviceInfo
- Publication number
- JPS58131598U JPS58131598U JP2922382U JP2922382U JPS58131598U JP S58131598 U JPS58131598 U JP S58131598U JP 2922382 U JP2922382 U JP 2922382U JP 2922382 U JP2922382 U JP 2922382U JP S58131598 U JPS58131598 U JP S58131598U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- rectifier
- lighting device
- output
- lamp dimmer
- 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)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (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図は従来の放電灯調光点灯装置の回路図、第２図お
よび第３図はそれぞれの調光時のインバータ入力波形図
、第４図は同じくインバータ出力波形図、第５図はこの
考案の一実施例の回路図、第６図Ａ−Ｅはその各部の波
形図、第７図は同じくそのインバータ出力波形図である
。
１・・・・・・商用電源、３・・・・・・全波整流器、
４・・・・・・インバータ回路、５・・・・・・放電ラ
ンプ、６・・・・・・シュミット回路、７・・・・・・
スイッチングトランジスタ。Figure 1 is a circuit diagram of a conventional discharge lamp dimming lighting device, Figures 2 and 3 are inverter input waveform diagrams during dimming, Figure 4 is also an inverter output waveform diagram, and Figure 5 is this inverter output waveform diagram. A circuit diagram of an embodiment of the invention, FIGS. 6A to 6E are waveform diagrams of various parts thereof, and FIG. 7 is a diagram of the inverter output waveform. 1...Commercial power supply, 3...Full wave rectifier,
4... Inverter circuit, 5... Discharge lamp, 6... Schmitt circuit, 7...
switching transistor.
Claims (1)
流器の出力が供給されるインバータ回路と、このインバ
ータ回路の出力により高周波点灯する放電ランプと、前
記整流器と前記インバータ回路との間に介在させたスイ
ッチングトランジスタと、前記整流器の出力電圧を一定
のレベルで波形整形しこの波形整形出力で商用半波の中
間区間のみ前記スイッチングトランジスタを導通させる
シュミット回路とを備えた放電灯調光点灯装置。A commercial power source, a rectifier that rectifies the commercial power source, an inverter circuit to which the output of the rectifier is supplied, a discharge lamp that is lit at high frequency by the output of the inverter circuit, and a discharge lamp that is interposed between the rectifier and the inverter circuit. A discharge lamp dimmer lighting device comprising: a switching transistor; and a Schmitt circuit which shapes the output voltage of the rectifier to a constant level and uses the waveform-shaped output to conduct the switching transistor only in the middle section of a commercial half wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2922382U JPS58131598U (en) | 1982-02-27 | 1982-02-27 | Discharge lamp dimmer lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2922382U JPS58131598U (en) | 1982-02-27 | 1982-02-27 | Discharge lamp dimmer lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58131598U true JPS58131598U (en) | 1983-09-05 |
Family
ID=30041031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2922382U Pending JPS58131598U (en) | 1982-02-27 | 1982-02-27 | Discharge lamp dimmer lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131598U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5299671A (en) * | 1976-02-18 | 1977-08-20 | Mitsubishi Electric Corp | Light control device for discharge lamp |
-
1982
- 1982-02-27 JP JP2922382U patent/JPS58131598U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5299671A (en) * | 1976-02-18 | 1977-08-20 | Mitsubishi Electric Corp | Light control device for discharge lamp |
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