JPS6024100U

JPS6024100U - discharge lamp dimmer

Info

Publication number: JPS6024100U
Application number: JP11598883U
Authority: JP
Inventors: 久保　和典; 石井　守一
Original assignee: 松下電工株式会社
Priority date: 1983-07-25
Filing date: 1983-07-25
Publication date: 1985-02-19

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

[Brief explanation of drawings]

第１図は従来例の電気回路図、第２図はこの考案の第１
の実施例の電気回路図、第３図はそれの調光時の回路略
図、第４図は第２の実施例の電気回路図、第５図はそれ
の調光時の回路略図、第６図は第３の実施例の電気回路
図、第７図はそれの調光時の回路略図である。Ｌ工・・・第１放電灯、Ｌ２・・・第２放電灯、Ｌ３・
・・第３放電灯、Ｃ□・・・第１シーケンスコンデンサ
、Ｃ２・・・第２シーケンスコンデンサ、Ｓ２・・・ス
イッチ、Ｐ・・・接続点。Figure 1 is the electrical circuit diagram of the conventional example, and Figure 2 is the first diagram of this invention.
FIG. 3 is a schematic circuit diagram of the second embodiment, FIG. 4 is an electrical circuit diagram of the second embodiment, FIG. 5 is a schematic circuit diagram of the dimming mode, and FIG. The figure is an electric circuit diagram of the third embodiment, and FIG. 7 is a schematic diagram of the circuit during dimming. L construction...first discharge lamp, L2...second discharge lamp, L3...
...Third discharge lamp, C□...First sequence capacitor, C2...Second sequence capacitor, S2...Switch, P...Connection point.

Claims

[Scope of utility model registration request]

The first, second and third discharge lamps are connected in series, the first sequence capacitor is connected in series to the first discharge lamp and in parallel to both the second and third discharge lamps, and the third discharge lamp is connected in series to T. 1st and 2nd
A second sequence capacitor connected in parallel to both discharge lamps, and the first of the connection parts between the second discharge lamp and the first discharge lamp in the center.
A discharge lamp dimmer including a switch located at a position closer to a second discharge lamp than a connection point to a sequence capacitor.