EP1100292B1 - Circuit de commande de lampe à décharge haute pression dans un véhicule - Google Patents

Circuit de commande de lampe à décharge haute pression dans un véhicule Download PDF

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Publication number
EP1100292B1
EP1100292B1 EP00124484A EP00124484A EP1100292B1 EP 1100292 B1 EP1100292 B1 EP 1100292B1 EP 00124484 A EP00124484 A EP 00124484A EP 00124484 A EP00124484 A EP 00124484A EP 1100292 B1 EP1100292 B1 EP 1100292B1
Authority
EP
European Patent Office
Prior art keywords
lamp
gas discharge
pressure gas
discharge lamp
circuit
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.)
Expired - Lifetime
Application number
EP00124484A
Other languages
German (de)
English (en)
Other versions
EP1100292A1 (fr
Inventor
Wolfgang Daub
Hans-Michael Helle
Stefan Möller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP1100292A1 publication Critical patent/EP1100292A1/fr
Application granted granted Critical
Publication of EP1100292B1 publication Critical patent/EP1100292B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions

Definitions

  • the invention relates to a circuit for operating an AC high-pressure gas discharge lamp for a motor vehicle, with a ballast, an ignition device, a symmetrical lamp filter and a high-pressure gas discharge lamp which is at least partially surrounded by a reflector, the symmetrical lamp filter being arranged between the high-pressure gas discharge lamp and the ignition circuit , with a filter capacity parallel to the high pressure gas discharge lamp and a choke in each of the connecting lines between this parallel circuit and the ignition circuit, and with two lamp supply lines in the input of the ignition circuit.
  • a circuit is described in the unpublished German patent application DE 199 24 097.
  • the most used high pressure gas discharge lamps in motor vehicles are asymmetrical in terms of their supply connections.
  • the return wire forms a capacity of approx. 2 to 3 with the reflector pF; the reflector forms a similarly large capacity with the vehicle. glitches on the return wire are thus capacitive to the vehicle mass in the On-board electrical system is fed in and can only be filtered very poorly in the igniter.
  • This object is achieved in that a capacitor between the reflector and one of the lamp supply lines is arranged.
  • the only figure shows a ballast for a high pressure gas discharge lamp, as well as an igniter with integrated Lamp filter.
  • the ballast controls and supplies both the high pressure gas discharge lamp (GDL) as well as the primary ignition circuit of the igniter.
  • the ignitor is designed as an asymmetrical superimposed ignitor; this is the Secondary winding of the ignition transformer (ZTR) in one of the lamp leads connected.
  • the igniter also has a symmetrical lamp filter, whereby the symmetrical lamp filter between the high pressure gas discharge lamp (GDL) and the superposition ignition is arranged and a filter capacitance (C1) in parallel to the high pressure gas discharge lamp (GDL) and one choke (L1, L2) in each of the supply lines to this parallel connection.
  • the invention is based on the idea of the interference coupled into the reflector return the ignitor before it gets into the vehicle mass.
  • This will a capacitor (C2) between the reflector and one of the lamp supply lines arranged at the entrance of the ignitor.
  • the lamp supply line is preferably selected for this purpose, which during of ignition has the lower potential against vehicle mass.
  • the filter capacitance C1 and the chokes L1 and L2 form this interference filter.
  • the Capacitor (C2) should act as a Y capacitor (Y capacitors are standardized radio interference suppression capacitors with increased electrical and mechanical safety) be because he decouple the lamp operating voltage from the reflector and such should ensure adequate protection against accidental contact

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (4)

  1. Circuit pour faire fonctionner une lampe à décharge dans gaz à haute pression (GDL) à courant alternatif pour un véhicule automobile, comportant un ballast, un appareil d'amorçage, un filtre symétrique de lampe et une lampe à décharge dans un gaz à haute pression (GDL), qui est entourée au moins partiellement par un réflecteur, le filtre symétrique de lampe étant disposé entre la lampe à décharge dans un gaz à haute pression (GDL) et le circuit d'amorçage, et comportant une capacité de filtre (C1) branchée en parallèle avec la lampe à décharge dans un gaz à haute pression (GDL) et respectivement une bobine d'arrêt (L1, L2) dans les conducteurs de liaison entre ce montage en parallèle et le circuit d'amorçage, ainsi que deux conducteurs d'alimentation de lampe à l'entrée du circuit d'amorçage,
    caractérisé en ce qu'un condensateur (C2 ou C3) est disposé entre le réflecteur et l'un des conducteurs d'alimentation de la lampe.
  2. Circuit selon la revendication 1, caractérisé en ce que le condensateur (C2 ou C3) est relié au conducteur d'alimentation de la lampe, qui, pendant l'amorçage, possède le potentiel plus faible par rapport à la masse du véhicule.
  3. Circuit selon la revendication 1, caractérisé en ce que le condensateur est agencé sous la forme d'un condensateur (Y).
  4. Circuit selon la revendication 1, caractérisé en ce qu'un condensateur (C2, C3) est monté respectivement entre le réflecteur et les deux conducteurs d'alimentation de la lampe.
EP00124484A 1999-11-12 2000-11-09 Circuit de commande de lampe à décharge haute pression dans un véhicule Expired - Lifetime EP1100292B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19954489A DE19954489A1 (de) 1999-11-12 1999-11-12 Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug
DE19954489 1999-11-12

Publications (2)

Publication Number Publication Date
EP1100292A1 EP1100292A1 (fr) 2001-05-16
EP1100292B1 true EP1100292B1 (fr) 2002-08-07

Family

ID=7928829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124484A Expired - Lifetime EP1100292B1 (fr) 1999-11-12 2000-11-09 Circuit de commande de lampe à décharge haute pression dans un véhicule

Country Status (5)

Country Link
US (1) US6624581B1 (fr)
EP (1) EP1100292B1 (fr)
AT (1) ATE222045T1 (fr)
DE (2) DE19954489A1 (fr)
ES (1) ES2180494T3 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116254A1 (de) * 2001-03-31 2002-10-02 Hella Kg Hueck & Co Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug
DE10330117A1 (de) * 2003-07-03 2005-01-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung zur Ansteuerung einer Hochdruckentladungslampe
JP4293004B2 (ja) * 2004-02-04 2009-07-08 株式会社デンソー 放電灯点灯装置
US20100134028A1 (en) * 2005-02-25 2010-06-03 Koninklijke Philips Electronics, N.V. Light source
DE502006008412D1 (de) * 2006-09-25 2011-01-05 Osram Gmbh Emv-verbesserung durch hf-absorption in leuchten und evgs
WO2009010924A2 (fr) * 2007-07-19 2009-01-22 Philips Intellectual Property & Standards Gmbh Système d'éclairage à décharge de gaz pour des véhicules à moteur
ES2375282T3 (es) * 2007-09-12 2012-02-28 Osram Ag Aplicabilidad mejorada de lámparas con balasto electrónico sin conductor de protección por puesta a tierra.
WO2010028679A1 (fr) * 2008-09-09 2010-03-18 Osram Gesellschaft mit beschränkter Haftung Agencement de circuit pour alimenter un moyen d'éclairage, ballast électronique et lampe ou éclairage

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE910C (de) 1877-08-16 O. HÄRTUNG & G. LENZ in Berlin Rotationsmotor
US4467247A (en) * 1981-10-30 1984-08-21 General Electric Company High frequency fluorescent lamp circuit
DE4125478A1 (de) * 1991-08-01 1993-02-04 Bosch Gmbh Robert Scheinwerfer fuer kraftfahrzeuge
DE4141587A1 (de) * 1991-12-17 1993-06-24 Bosch Gmbh Robert Scheinwerfer fuer kraftfahrzeuge
DE4202872A1 (de) * 1992-02-01 1993-08-05 Bosch Gmbh Robert Scheinwerfer fuer kraftfahrzeuge
JP2875129B2 (ja) * 1993-01-05 1999-03-24 三菱電機株式会社 車両用放電灯点灯装置
DE4310307B4 (de) * 1993-03-30 2004-10-14 Robert Bosch Gmbh Scheinwerfer für Fahrzeuge
JPH09129379A (ja) * 1995-11-06 1997-05-16 Koito Mfg Co Ltd 放電灯点灯装置
US5691577A (en) * 1996-05-03 1997-11-25 Smith; Steve Reflector-pump network for preempting AC power supply harmonic distortion and for satiating the complex harmonic power demand of a rectifier
US6111359A (en) * 1996-05-09 2000-08-29 Philips Electronics North America Corporation Integrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballast
DE19924097A1 (de) 1999-05-26 2000-11-30 Hella Kg Hueck & Co Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug

Also Published As

Publication number Publication date
EP1100292A1 (fr) 2001-05-16
DE50000352D1 (de) 2002-09-12
ES2180494T3 (es) 2003-02-16
US6624581B1 (en) 2003-09-23
DE19954489A1 (de) 2001-05-17
ATE222045T1 (de) 2002-08-15

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