JPS6179500U

JPS6179500U -

Info

Publication number: JPS6179500U
Application number: JP16528984U
Authority: JP
Priority date: 1984-10-30
Filing date: 1984-10-30
Publication date: 1986-05-27
Also published as: JPH0136319Y2

Description

[Brief explanation of the drawing]

第１図はこの考案の第１の実施例の回路図、第
２図はこの考案の第２の実施例の回路図、第３図
はこの考案の第３の実施例の回路図、第４図はこ
の考案の第４の実施例の回路図、第５図はこの考
案の第５の実施例の回路図、第６図はこの考案の
第６の実施例の回路図、第７図はこの考案の第７
の実施例の回路図、第８図は従来の放電灯点灯装
置の回路図、第９図および第１０図はそれぞれの
負荷回路の変形例の回路図、第１１図は別の従来
の放電灯点灯装置の回路図である。ＩＮＶ…インバータ装置、６９…バランサ、７
０〜７５…放電灯、７６〜７９…コンデンサ、６
７，６８，８２…スイツチ、８０…予熱回路、Ｅ
…直流電源。 Fig. 1 is a circuit diagram of a first embodiment of this invention, Fig. 2 is a circuit diagram of a second embodiment of this invention, Fig. 3 is a circuit diagram of a third embodiment of this invention, and Fig. 4 is a circuit diagram of a third embodiment of this invention. The figure is a circuit diagram of the fourth embodiment of this invention, Figure 5 is a circuit diagram of a fifth embodiment of this invention, Figure 6 is a circuit diagram of a sixth embodiment of this invention, and Figure 7 is a circuit diagram of a sixth embodiment of this invention. The seventh part of this idea
8 is a circuit diagram of a conventional discharge lamp lighting device, FIGS. 9 and 10 are circuit diagrams of modified examples of each load circuit, and FIG. 11 is a circuit diagram of another conventional discharge lamp. It is a circuit diagram of a lighting device. INV...Inverter device, 69...Balancer, 7
0-75...discharge lamp, 76-79...capacitor, 6
7,68,82...Switch, 80...Preheating circuit, E
...DC power supply.

Claims

[Claims for Utility Model Registration] (1) An inverter device that is configured to include a DC power source, a switching element, and an oscillation transformer and is operated by being supplied with power from the DC power source, and one output end of the oscillation transformer of this inverter device. a balancer connected to the middle point; first and second discharge lamp loads having one end connected to both ends of the balancer and the other end commonly connected to the other output end of the oscillation transformer; A discharge lamp lighting device comprising: a short-circuit switch connected in parallel to a discharge lamp load and opened after lighting the second discharge lamp load. (2) The first and second discharge lamp loads each consist of a series circuit of a plurality of discharge lamps, and some of the discharge lamps constituting the first and second discharge lamp loads are sequentially started. A discharge lamp lighting device according to claim (1) of the utility model registration, wherein sequence impedances are connected in parallel. (3) Connect the preheating circuits of the first and second discharge lamp loads to the output end of the inverter device via a preheating switch, turn on the preheating switch for a certain period of time after turning on the power, and turn on the short circuit switch. Utility model registration claim No. 1 in which the preheating switch is turned on for a longer time than the on time of the preheating switch.
) The discharge lamp lighting device described in item ). (4) Utility model registration claim (3), wherein an auxiliary shorting switch is connected in parallel to the second discharge lamp load, and the auxiliary shorting switch is turned on at least during the on time of the preheating switch. The discharge lamp lighting device described. (5) An auxiliary winding wound in a direction different in polarity from the output winding is provided on the output side of the oscillation transformer, and the shorting switch is connected in parallel to the first discharge lamp load via the auxiliary winding. A discharge lamp lighting device according to claim 1 or 2 of the utility model registration claim. (6) A utility model registration request in which a tap is provided between the midpoint and one end of the balancer, and the short circuit switch is connected between the tap of the balancer and the common connection end of the first and second discharge lamp loads. Range of (1)
The discharge lamp lighting device described in paragraph or paragraph (2). (7) First and second preheating circuits for preheating the first and second discharge lamp loads, respectively, are separately provided and an auxiliary shorting switch is provided, and the shorting switch and the auxiliary shorting switch are connected to the first and second discharge lamp loads. The utility model registration claim No. 2 is connected in parallel to the first and second discharge lamp loads through two preheating circuits, respectively, and the opening timings of the south short circuit switch and the auxiliary short circuit switch are staggered in time. The discharge lamp lighting device described in paragraph 1) or paragraph (2). (8) An auxiliary shorting switch is connected in parallel to the second discharge lamp load, the opening timings of the shorting switch and the auxiliary shorting switch are staggered, and a preheating circuit for the first and second discharge lamp loads is connected in parallel. 2. The discharge lamp lighting device according to claim 1 or 2, wherein the short-circuit switch and the auxiliary short-circuit switch are connected in series to the short-circuit path of the short-circuit switch that opens later. (9) At least one filament of a discharge lamp load connected in parallel to the earlier opening of the shorting switch and the auxiliary shorting switch with a preheating circuit connected in series to the later opening of the shorting switch and the auxiliary shorting switch; A discharge lamp lighting device according to claim (7) of the registered utility model, which preheats the discharge lamp.