JPH0435399U - - Google Patents
Info
- Publication number
- JPH0435399U JPH0435399U JP7613990U JP7613990U JPH0435399U JP H0435399 U JPH0435399 U JP H0435399U JP 7613990 U JP7613990 U JP 7613990U JP 7613990 U JP7613990 U JP 7613990U JP H0435399 U JPH0435399 U JP H0435399U
- Authority
- JP
- Japan
- Prior art keywords
- transformer
- insulated
- discharge lamp
- current
- secondary winding
- 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 4
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の点灯装置の一実施例である。
図中：１……放電ランプ、３……トランス、４
……リーケージ型チヨークコイル、５……双方向
性スイツチング素子、６……絶縁型変圧器、７…
…絶縁型変流器、８……制御回路。
FIG. 1 shows an embodiment of the lighting device of the present invention. In the diagram: 1...discharge lamp, 3...transformer, 4
...Leakage type chiyoak coil, 5...Bidirectional switching element, 6...Isolation type transformer, 7...
...Isolated current transformer, 8...Control circuit.
Claims (1)
ジ型のチヨークコイルと、 このリーケージ型チヨークコイルに接続された
放電ランプと、 この放電ランプと並列に接続されてランプ点灯
電圧とその位相を検出する絶縁型の変圧器と、 該放電ランプと直列に接続されてランプ点灯電
流を検出する絶縁型の変流器と、 該絶縁型変圧器と該絶縁型変流器の信号を受け
てランプ点灯電力を計算して、一定の点灯状態に
する制御回路と、 該リーケージ型チヨークコイルには絶縁された
二次巻線を有して、該制御回路によつてこの二次
巻線に流れる電流を制御するスイツチング素子を
有する ことを特徴とする放電ランプ点灯装置。[Claims for Utility Model Registration] A transformer in which an alternating current power source is connected to the primary winding, a leakage type chiyoke coil connected to the secondary winding of this transformer, a discharge lamp connected to this leakage type chiyoke coil, an insulated transformer connected in parallel with the discharge lamp to detect the lamp lighting voltage and its phase; an insulated current transformer connected in series with the discharge lamp to detect the lamp lighting current; a control circuit that receives signals from the type transformer and the insulated current transformer to calculate lamp lighting power and maintains a constant lighting state; and the leakage type chiyoke coil has an insulated secondary winding. A discharge lamp lighting device comprising: a switching element for controlling the current flowing through the secondary winding by the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7613990U JPH0435399U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7613990U JPH0435399U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435399U true JPH0435399U (en) | 1992-03-24 |
Family
ID=31617345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7613990U Pending JPH0435399U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435399U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5481683A (en) * | 1977-03-11 | 1979-06-29 | Westinghouse Electric Corp | Safety device circuit |
| JPS61260597A (en) * | 1985-05-15 | 1986-11-18 | 株式会社アイ・ライテイング・システム | Constant power discharge lamp lighting apparatus |
| JPS62145697A (en) * | 1985-12-18 | 1987-06-29 | 松下電器産業株式会社 | Lighting device for high pressure sodium lamp |
-
1990
- 1990-07-19 JP JP7613990U patent/JPH0435399U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5481683A (en) * | 1977-03-11 | 1979-06-29 | Westinghouse Electric Corp | Safety device circuit |
| JPS61260597A (en) * | 1985-05-15 | 1986-11-18 | 株式会社アイ・ライテイング・システム | Constant power discharge lamp lighting apparatus |
| JPS62145697A (en) * | 1985-12-18 | 1987-06-29 | 松下電器産業株式会社 | Lighting device for high pressure sodium lamp |
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