EP1056314B1 - Circuit pour alimenter en courant alternatif des lampes à décharge pour un véhicule - Google Patents

Circuit pour alimenter en courant alternatif des lampes à décharge pour un véhicule Download PDF

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Publication number
EP1056314B1
EP1056314B1 EP00110479A EP00110479A EP1056314B1 EP 1056314 B1 EP1056314 B1 EP 1056314B1 EP 00110479 A EP00110479 A EP 00110479A EP 00110479 A EP00110479 A EP 00110479A EP 1056314 B1 EP1056314 B1 EP 1056314B1
Authority
EP
European Patent Office
Prior art keywords
lamp
high pressure
gas discharge
pressure gas
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
EP00110479A
Other languages
German (de)
English (en)
Other versions
EP1056314A3 (fr
EP1056314A2 (fr
Inventor
Wolfgang Daub
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 EP1056314A2 publication Critical patent/EP1056314A2/fr
Publication of EP1056314A3 publication Critical patent/EP1056314A3/fr
Application granted granted Critical
Publication of EP1056314B1 publication Critical patent/EP1056314B1/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 alternating current High-pressure gas discharge lamp for a motor vehicle, with a ballast, a Superimposed ignitor, a symmetrical lamp filter and one High-pressure gas discharge lamp, the symmetrical lamp filter between the High pressure gas discharge lamp and the superposition ignition is arranged with a filter capacity parallel to the high pressure gas discharge lamp and a choke in each the supply lines to this parallel connection.
  • AC high pressure gas discharge lamps such as. B. the Xenon gas discharge lamps for motor vehicles, generate each in operation Current commutation interference pulses, which are sufficient due to an LC filter combination can be suppressed.
  • This lamp filter usually consists of one Capacitor parallel to the lamp and two inductors in series to the two electrical lamp connections. Such an arrangement is in German Publication DE 196 45 752 A1 shown and described.
  • the lamp filter between the lamp and the actual igniter arranged.
  • the disadvantage of this arrangement is that on the returning lamp line, which is not connected to the ignition transformer during ignition High voltage pulse arises, which is due to insufficient insulation of the lamp rollover according to vehicle mass and considerable EMI interference in the vehicle can cause.
  • This high-voltage pulse drops off at the inductance when firing, which is connected to the returning lamp line.
  • the peak value of the Depending on the design of the lamp filter the pulse voltage is up to 50% of the total Ignition voltage. In circuit implementations, pulse voltages up to 14kV measured.
  • the document US 5,828,186 shows a circuit for one High pressure gas discharge lamp with two secondary windings one Ignition pulse transmitter are connected to the lamp leads, each one Section of the secondary windings is bridged by capacitive means. This is a circuit tuned to the frequency of the ignition pulses realizes the Ignition takeover behavior of the lamp improved and interference pulses suppressed.
  • the invention has for its object a circuit for operating a To create AC high pressure gas discharge lamp for a motor vehicle in the the voltage level of the pulse voltages mentioned to a harmless level is limited.
  • the electrical circuit element acting as a switch can advantageously be used as Glow lamp or switching spark gap.
  • the Circuit according to the invention also has a significantly improved behavior when igniting a hot lamp because the ignition current due to the short-circuited inductance increases faster.
  • the single figure shows a ballast for a high pressure gas discharge lamp, and an ignitor with an 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 as one Superimposed ignitor executed; the secondary winding of the Switching element as an electronic semiconductor module as practically unsuitable proven, because firstly only particularly expensive, high voltage resistant Semiconductor components come into question, secondly, semiconductor components of a special kind Control, and thirdly, semiconductor devices require one compared to one Glow lamp or switching spark gap have relatively high capacity.
  • the switching element becomes conductive due to the ignition voltage pulse and thereby closes the choke (L2) briefly, so that no high-voltage pulse drops at the choke (L2) can. This will reduce the effort for Isolation of the returning lamp line is reduced, as well as EMI interference this line effectively avoided.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Claims (3)

  1. Circuit pour alimenter en courant alternatif une lampe à décharge à haute pression (GDL) pour un véhicule, comportant un ballast, un appareil d'allumage hétérodyne, un filtre de lampe symétrique et une lampe à décharge à haute pression (GDL), le filtre de lampe symétrique étant agencé entre la lampe à décharge à haute pression (GDL) et l'allumage hétérodyne, comportant une capacité de filtre (C1) qui est parallèle à la lampe à décharge à haute pression (GDL), et une self respective (L1, L2) située dans les lignes d'amenée à ce circuit parallèle,
    caractérisé en ce que
    un élément de commutation électrique servant de commutateur est monté en parallèle par rapport à la self (L2) située dans la ligne de retour de la lampe et en ce que l'élément de commutation électrique servant de commutateur devient conducteur en présence d'une impulsion de tension d'allumage.
  2. Circuit selon la revendication 1, caractérisé en ce que l'élément de commutation est un éclateur de commutation à étincelles.
  3. Circuit selon la revendication 1, caractérisé en ce que l'élément de commutation est une lampe au néon.
EP00110479A 1999-05-26 2000-05-17 Circuit pour alimenter en courant alternatif des lampes à décharge pour un véhicule Expired - Lifetime EP1056314B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924097A DE19924097A1 (de) 1999-05-26 1999-05-26 Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug
DE19924097 1999-05-26

Publications (3)

Publication Number Publication Date
EP1056314A2 EP1056314A2 (fr) 2000-11-29
EP1056314A3 EP1056314A3 (fr) 2001-09-12
EP1056314B1 true EP1056314B1 (fr) 2003-09-17

Family

ID=7909228

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00110479A Expired - Lifetime EP1056314B1 (fr) 1999-05-26 2000-05-17 Circuit pour alimenter en courant alternatif des lampes à décharge pour un véhicule

Country Status (4)

Country Link
EP (1) EP1056314B1 (fr)
AT (1) ATE250321T1 (fr)
DE (2) DE19924097A1 (fr)
ES (1) ES2207439T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7456583B2 (en) 2006-09-05 2008-11-25 General Electric Company Electrical circuit with dual stage resonant circuit for igniting a gas discharge lamp
US7460379B2 (en) 2006-09-05 2008-12-02 General Electric Company Electrical circuit with voltage multiplier for facilitating ignition of a gas discharge lamp

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954489A1 (de) 1999-11-12 2001-05-17 Hella Kg Hueck & Co Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug
DE10210717A1 (de) * 2002-03-12 2003-10-02 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zur Zündung von Hochdruck-Entladungslampen
NZ584057A (en) * 2010-03-18 2013-02-22 Intellectual Property Energy Mad Ltd Load Balance Circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4310307B4 (de) * 1993-03-30 2004-10-14 Robert Bosch Gmbh Scheinwerfer für Fahrzeuge
EP0702885B1 (fr) * 1994-04-06 1999-12-29 Koninklijke Philips Electronics N.V. Configuration de circuit
ATE196051T1 (de) * 1995-03-01 2000-09-15 Koninkl Philips Electronics Nv Schaltungsanordnung zum zünden einer hochdruckgasentladungslampe
JPH09129379A (ja) * 1995-11-06 1997-05-16 Koito Mfg Co Ltd 放電灯点灯装置
IT1293443B1 (it) * 1997-07-11 1999-03-01 Magneti Marelli Spa Dispositivo di comando per una lampada a scarica di gas, particolarmente per autoveicoli.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7456583B2 (en) 2006-09-05 2008-11-25 General Electric Company Electrical circuit with dual stage resonant circuit for igniting a gas discharge lamp
US7460379B2 (en) 2006-09-05 2008-12-02 General Electric Company Electrical circuit with voltage multiplier for facilitating ignition of a gas discharge lamp

Also Published As

Publication number Publication date
ES2207439T3 (es) 2004-06-01
ATE250321T1 (de) 2003-10-15
EP1056314A3 (fr) 2001-09-12
EP1056314A2 (fr) 2000-11-29
DE19924097A1 (de) 2000-11-30
DE50003692D1 (de) 2003-10-23

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