JPH01132097U - - Google Patents
Info
- Publication number
- JPH01132097U JPH01132097U JP2812088U JP2812088U JPH01132097U JP H01132097 U JPH01132097 U JP H01132097U JP 2812088 U JP2812088 U JP 2812088U JP 2812088 U JP2812088 U JP 2812088U JP H01132097 U JPH01132097 U JP H01132097U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- inverter transformer
- rectifying
- auxiliary winding
- switching 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 3
- 239000007858 starting material Substances 0.000 claims description 2
- 238000009499 grossing Methods 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図はこの考案の放電灯点灯装置の一実施例
である主要部の構成を示すブロツク図、第２図は
第１図におけるランプ点灯を検出しドライブ回路
を制御するための一具体例の主要部の回路図、第
３図、第４図は従来の放電灯点灯装置を示す回路
ブロツク図、第５図は従来の点灯検出回路の主要
部の概略構成を示した回路図である。
図中、１：ランプ、２：スタータ、８：ドライ
ブ回路、９：スイツチング回路、１０：インバー
タトランス、１０ｃ：補助巻線、６０：制御回路
。
Fig. 1 is a block diagram showing the configuration of the main parts of an embodiment of the discharge lamp lighting device of this invention, and Fig. 2 shows a specific example for detecting lamp lighting and controlling the drive circuit in Fig. 1. 3 and 4 are circuit diagrams showing a conventional discharge lamp lighting device, and FIG. 5 is a circuit diagram showing a schematic configuration of the main portion of a conventional lighting detection circuit. In the figure, 1: lamp, 2: starter, 8: drive circuit, 9: switching circuit, 10: inverter transformer, 10c : auxiliary winding, 60: control circuit.
Claims (1)
路を１次側に有するインバータトランスの２次側
には第１の整流平滑回路と放電灯点灯開始時に高
圧を供給するスタータとを有し、かつ前記インバ
ータトランスにはさらに補助巻線を有し、この補
助巻線からは第２の整流平滑回路と制御回路と、
前記スイツチング回路を駆動するドライブ回路と
を有し、前記制御回路はインバータトランスの補
助巻線に発生する電圧を検知して不点灯時にスイ
ツチング回路を止める構成を具備したことを特徴
とする放電灯点灯装置。 The inverter transformer has a switching circuit including a semiconductor switching element on its primary side.The inverter transformer has a first rectifying and smoothing circuit on the secondary side and a starter that supplies high voltage at the time of starting lighting of the discharge lamp, and the inverter transformer further includes: It has an auxiliary winding, from which a second rectifying and smoothing circuit and a control circuit are connected.
a drive circuit for driving the switching circuit, and the control circuit is configured to detect a voltage generated in an auxiliary winding of an inverter transformer and stop the switching circuit when the lamp is not lit. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2812088U JPH01132097U (en) | 1988-03-04 | 1988-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2812088U JPH01132097U (en) | 1988-03-04 | 1988-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132097U true JPH01132097U (en) | 1989-09-07 |
Family
ID=31251215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2812088U Pending JPH01132097U (en) | 1988-03-04 | 1988-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04119996U (en) * | 1991-04-09 | 1992-10-27 | スタンレー電気株式会社 | Non-lighting state determination circuit for discharge lamps |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57174895A (en) * | 1981-04-21 | 1982-10-27 | Ushio Electric Inc | Device for firing dc discharge lamp |
| JPS5949196A (en) * | 1982-09-14 | 1984-03-21 | 三菱電機株式会社 | Device for firing discharge lamp |
| JPS6210000A (en) * | 1985-07-09 | 1987-01-17 | 伊藤 行雄 | Putting leaf method |
-
1988
- 1988-03-04 JP JP2812088U patent/JPH01132097U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57174895A (en) * | 1981-04-21 | 1982-10-27 | Ushio Electric Inc | Device for firing dc discharge lamp |
| JPS5949196A (en) * | 1982-09-14 | 1984-03-21 | 三菱電機株式会社 | Device for firing discharge lamp |
| JPS6210000A (en) * | 1985-07-09 | 1987-01-17 | 伊藤 行雄 | Putting leaf method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04119996U (en) * | 1991-04-09 | 1992-10-27 | スタンレー電気株式会社 | Non-lighting state determination circuit for discharge lamps |
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