H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/00 (2006.01) H01J 61/56 (2006.01) H05B 41/288 (2006.01) H05B 41/38 (2006.01)
Patent
CA 2241184
The invention relates to circuitry for the operation of a high-pressure discharge lamp comprising a voltage transformer (T1, T2), preferably a push-pull transformer, a transformer (TR1) connected to the output of the voltage transformer (T1, T2), a pulse ignition device, and a load circuit designed as a serial resonance circuit (L1, C1) into which the high-pressure discharge lamp (LP) is switched. The transformer (TR1) possesses at least two secondary windings (w1c, w1d), wherein the first secondary winding (W1c) switches into the load circuit and the second secondary winding (w1d) is connected to the pulse ignition device at the voltage input. The ignition voltage output of the pulse ignition device is designed to be connected to an auxiliary ignition electrode (ZE) of the high-pressure discharge lamp (LP).
L'invention concerne un circuit pour le fonctionnement d'une lampe à décharge haute pression comportant un transformateur de tension (T1, T2), de préférence un transformateur symétrique, un transformateur (TR1) raccordé à la sortie du transformateur de tension (T1, T2), un dispositif d'amorçage impulsionnel, et un circuit de charge se présentant sous la forme d'un circuit accepteur (L1, C1) dans lequel est montée la lampe à décharge haute pression (LP). Le transformateur (TR1) possède au moins deux enroulements secondaires (w1c, w1d), le premier enroulement secondaire (w1c) étant monté dans le circuit de charge et le deuxième enroulement secondaire (w1d) étant raccordé à l'entrée de tension du dispositif d'amorçage impulsionnel. La sortie de tension d'amorçage du dispositif d'amorçage impulsionnel se raccorde à une électrode auxiliaire d'amorçage (ZE) de la lampe à décharge haute pression (LP).
Hirschmann Gunther
Lewandowski Bernd
Mengele Matthias
Muller Stefan
Wittig Christian
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh
Smart & Biggar
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