JPS61158097U

JPS61158097U -

Info

Publication number: JPS61158097U
Application number: JP4261785U
Authority: JP
Priority date: 1985-03-25
Filing date: 1985-03-25
Publication date: 1986-09-30

Description

[Brief explanation of drawings]

第１図および第２図はこの考案の原理を示すブ
ロツク図、第３図は放電灯ＬＤと補助電源回路Ｄ
Ｃを直列に接続する場合の一実施例を示す回路図
、第４図は第３図の実施例に関連する波形図、第
５図は放電灯ＬＤと補助電源回路ＤＣを直列に接
続する場合の他の実施例を示す回路図、第６図は
第５図の実施例に関連する波形図、第７図は放電
灯ＬＤと補助電源回路ＤＣを直列に接続する場合
のさらに他の実施例を示す回路図、第８図は第７
図の実施例に関連する波形図、第９図は放電灯Ｌ
Ｄと補助電源回路ＤＣを並列に接続する場合の一
実施を示す回路図、第１０図は第９図の実施例に
関連する波形図、第１１図は従来例の構成を示す
回路図、第１２図は従来例に関連する波形図、第
１３図は他の従来例を示す簡略化した回路図、第
１４図は他の従来例を具体的に示す回路図、第１
５図は補助電源回路Ｘの他の構成を示す図である
。ＡＣ……商用電源、ＤＢ……整流器、ＤＣ……
補助電源回路、ＩＮＶ……インバータ。 Figures 1 and 2 are block diagrams showing the principle of this invention, and Figure 3 is a discharge lamp LD and auxiliary power circuit D.
FIG. 4 is a waveform diagram related to the embodiment of FIG. 3, and FIG. 5 is a circuit diagram showing an example of connecting the discharge lamp LD and the auxiliary power supply circuit DC in series. 6 is a waveform diagram related to the embodiment in FIG. 5, and FIG. 7 is a circuit diagram showing another embodiment in which the discharge lamp LD and the auxiliary power supply circuit DC are connected in series. The circuit diagram shown in Fig. 8 is the 7th
A waveform diagram related to the embodiment shown in the figure, FIG. 9 is a discharge lamp L
10 is a waveform diagram related to the embodiment of FIG. 9. FIG. 11 is a circuit diagram showing the configuration of a conventional example. FIG. 12 is a waveform diagram related to the conventional example, FIG. 13 is a simplified circuit diagram showing another conventional example, FIG. 14 is a circuit diagram specifically showing another conventional example, and FIG.
FIG. 5 is a diagram showing another configuration of the auxiliary power supply circuit X. AC...commercial power supply, DB...rectifier, DC...
Auxiliary power supply circuit, INV...Inverter.

Claims

[Scope of utility model registration request]

In a discharge lamp lighting device that rectifies AC power and supplies a rectified voltage to an inverter to start and light a discharge lamp using the high frequency output of the inverter, an auxiliary device that inputs a part of the high frequency output of the inverter and outputs a direct current or high frequency current. A discharge lamp lighting device comprising a power supply circuit, wherein the output of the auxiliary power supply circuit is superimposed on the high frequency output of the inverter.