JPH01113998U - - Google Patents
Info
- Publication number
- JPH01113998U JPH01113998U JP902888U JP902888U JPH01113998U JP H01113998 U JPH01113998 U JP H01113998U JP 902888 U JP902888 U JP 902888U JP 902888 U JP902888 U JP 902888U JP H01113998 U JPH01113998 U JP H01113998U
- Authority
- JP
- Japan
- Prior art keywords
- fluorescent lamps
- series circuit
- lighting device
- series
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図は本考案の一実施例を示す点灯回路図、
第２図は第１図の一動作時での部分回路図である
。第３図はインバータ点灯方式の蛍光ランプ点灯
装置の基本点灯回路図、第４図は従来の直列点灯
方式の蛍光ランプ点灯装置の点灯回路図である。
８，９……蛍光ランプ、１０，１１……インピ
ーダンス素子、１２，１３……スイツチング素子
、１４……スイツチング開閉制御素子。
FIG. 1 is a lighting circuit diagram showing an embodiment of the present invention.
FIG. 2 is a partial circuit diagram of the circuit shown in FIG. 1 during one operation. FIG. 3 is a basic lighting circuit diagram of an inverter lighting type fluorescent lamp lighting device, and FIG. 4 is a lighting circuit diagram of a conventional series lighting type fluorescent lamp lighting device. 8, 9... Fluorescent lamp, 10, 11... Impedance element, 12, 13... Switching element, 14... Switching opening/closing control element.
Claims (1)
バータ点灯方式の点灯装置において、 複数の蛍光ランプの各々に並列に、インピーダ
ンス素子と常開のスイツチング素子の直列回路を
接続すると共に、複数の蛍光ランプの直列回路に
、この直列回路が開回路になると前記スイツチン
グ素子を閉じるスイツチ開閉制御素子を組込んだ
ことを特徴とする蛍光ランプ点灯装置。[Scope of Claim for Utility Model Registration] In a high-frequency inverter lighting system lighting device for lighting a plurality of fluorescent lamps in series, a series circuit of an impedance element and a normally open switching element is connected in parallel to each of the plurality of fluorescent lamps, and A fluorescent lamp lighting device, characterized in that a series circuit of a plurality of fluorescent lamps incorporates a switch opening/closing control element that closes the switching element when the series circuit becomes open circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP902888U JPH01113998U (en) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP902888U JPH01113998U (en) | 1988-01-26 | 1988-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113998U true JPH01113998U (en) | 1989-07-31 |
Family
ID=31215419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP902888U Pending JPH01113998U (en) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113998U (en) |
-
1988
- 1988-01-26 JP JP902888U patent/JPH01113998U/ja active Pending
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