JPH01134398U - - Google Patents
Info
- Publication number
- JPH01134398U JPH01134398U JP3081288U JP3081288U JPH01134398U JP H01134398 U JPH01134398 U JP H01134398U JP 3081288 U JP3081288 U JP 3081288U JP 3081288 U JP3081288 U JP 3081288U JP H01134398 U JPH01134398 U JP H01134398U
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- lighting device
- winding
- circuit
- lamp lighting
- 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 8
- 230000010355 oscillation Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000005284 excitation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例である高周波点灯回
路の回路図、第２図は第１図に示される高周波点
灯回路の出力電圧波形図、第３図はトランジスタ
インバータの励振によつて並列的に発信する一対
の発振トランスを含む他の実施例に係る高周波点
灯回路の回路図、第４図は従来の高周波点灯回路
の一例を示す回路図、第５図は第４図の高周波点
灯回路の出力電圧波形図である。
１……トランジスタインバータ、２，２′……
発振トランス、３……冷陰極放電灯、４，５……
電極、Ｑ１，Ｑ２……トランジスタ、ＣＨ……チ
ヨークコイル、Ｇｎｄ……接地端子、Ｖｉｎ……
入力端子、Ｎ１……１次巻線、Ｎ２……２次巻線
、Ｎ３……帰還巻線、Ｖｏｕｔ１，Ｖｏｕｔ２…
…出力端子、Ｃ２，Ｃ３……容量素子。
Fig. 1 is a circuit diagram of a high frequency lighting circuit which is an embodiment of the present invention, Fig. 2 is an output voltage waveform diagram of the high frequency lighting circuit shown in Fig. 1, and Fig. 3 is a circuit diagram of a high frequency lighting circuit shown in Fig. 1. 4 is a circuit diagram showing an example of a conventional high frequency lighting circuit, and FIG. 5 is a circuit diagram of a high frequency lighting circuit according to another embodiment including a pair of oscillation transformers that emit signals, and FIG. 5 is a circuit diagram showing an example of a conventional high frequency lighting circuit. FIG. 3 is an output voltage waveform diagram of FIG. 1...Transistor inverter, 2, 2'...
Oscillation transformer, 3... cold cathode discharge lamp, 4, 5...
Electrode, Q1, Q2...transistor, CH...chiyoke coil, Gnd...ground terminal, Vin...
Input terminal, N1...Primary winding, N2...Secondary winding, N3...Feedback winding, Vout 1 , Vout 2 ...
...output terminal, C2, C3...capacitive element.
Claims (1)
ンスの２次巻線に放電灯を接続可能とし、これを
高周波点灯駆動する放電灯点灯装置において、２
次巻線の所望の中間点を回路の接地端子に結合し
て成るものであることを特徴とする放電灯点灯装
置。 ２ タインバータの励振によつて並列的に発振す
る発振トランスを含み、当該１対の発振トランス
における２次巻線の直列結合ノードを回路の接地
端子に結合し、その結合ノードの両側の２次巻線
の端部を出力端子として放電灯を点灯駆動するよ
うにされて成るものであることを特徴とする放電
灯点灯装置。[Claims for Utility Model Registration] 1. In a discharge lamp lighting device for driving high-frequency lighting by connecting a discharge lamp to the secondary winding of an oscillation transformer that oscillates by excitation to an inverter, 2.
1. A discharge lamp lighting device characterized in that a desired intermediate point of a next winding is connected to a ground terminal of a circuit. 2 includes an oscillation transformer that oscillates in parallel due to the excitation of the inverter, the series coupling node of the secondary windings of the pair of oscillation transformers is coupled to the ground terminal of the circuit, and the secondary windings on both sides of the coupling node are 1. A discharge lamp lighting device characterized in that the end of the winding is used as an output terminal to drive the discharge lamp to light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3081288U JPH01134398U (en) | 1988-03-08 | 1988-03-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3081288U JPH01134398U (en) | 1988-03-08 | 1988-03-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01134398U true JPH01134398U (en) | 1989-09-13 |
Family
ID=31256203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3081288U Pending JPH01134398U (en) | 1988-03-08 | 1988-03-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01134398U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003009649A1 (en) * | 2001-07-16 | 2003-01-30 | Harison Toshiba Lighting Corporation | Dielectric barrier discharge lamp operating device |
| WO2004017508A1 (en) * | 2002-08-06 | 2004-02-26 | Sharp Kabushiki Kaisha | Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device |
| JP6399273B1 (en) * | 2018-04-23 | 2018-10-03 | 三菱電機株式会社 | Power supply |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161695A (en) * | 1985-01-08 | 1986-07-22 | 三菱電機株式会社 | Power source for microwave discharge light source |
-
1988
- 1988-03-08 JP JP3081288U patent/JPH01134398U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61161695A (en) * | 1985-01-08 | 1986-07-22 | 三菱電機株式会社 | Power source for microwave discharge light source |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003009649A1 (en) * | 2001-07-16 | 2003-01-30 | Harison Toshiba Lighting Corporation | Dielectric barrier discharge lamp operating device |
| EP1429585A1 (en) * | 2001-07-16 | 2004-06-16 | Harison Toshiba Lighting Corporation | Dielectric barrier discharge lamp operating device |
| EP1429585A4 (en) * | 2001-07-16 | 2005-07-27 | Harison Toshiba Lighting Corp | Dielectric barrier discharge lamp operating device |
| WO2004017508A1 (en) * | 2002-08-06 | 2004-02-26 | Sharp Kabushiki Kaisha | Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device |
| US7777431B2 (en) | 2002-08-06 | 2010-08-17 | Sharp Kabushiki Kaisha | Inverter circuit, fluorescent bulb operating device, backlight device, and liquid crystal display device |
| US7786681B2 (en) | 2002-08-06 | 2010-08-31 | Sharp Kabushiki Kaisha | Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| US7791286B2 (en) | 2002-08-06 | 2010-09-07 | Sharp Kabushiki Kaisha | Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| US7936136B2 (en) | 2002-08-06 | 2011-05-03 | Sharp Kabushiki Kaisha | Inverter circuit, fluorescent tube lighting apparatus, backlight apparatus, and liquid crystal display |
| JP6399273B1 (en) * | 2018-04-23 | 2018-10-03 | 三菱電機株式会社 | Power supply |
| WO2019207627A1 (en) * | 2018-04-23 | 2019-10-31 | 三菱電機株式会社 | Power supply device |
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