EP0933976A2 - Dispositif d' amorçage d' une lampe à décharge à haute pression dans un véhicule - Google Patents

Dispositif d' amorçage d' une lampe à décharge à haute pression dans un véhicule Download PDF

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Publication number
EP0933976A2
EP0933976A2 EP99101908A EP99101908A EP0933976A2 EP 0933976 A2 EP0933976 A2 EP 0933976A2 EP 99101908 A EP99101908 A EP 99101908A EP 99101908 A EP99101908 A EP 99101908A EP 0933976 A2 EP0933976 A2 EP 0933976A2
Authority
EP
European Patent Office
Prior art keywords
ignition
discharge lamp
capacitor
gas discharge
pressure gas
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.)
Granted
Application number
EP99101908A
Other languages
German (de)
English (en)
Other versions
EP0933976A3 (fr
EP0933976B1 (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 EP0933976A2 publication Critical patent/EP0933976A2/fr
Publication of EP0933976A3 publication Critical patent/EP0933976A3/fr
Application granted granted Critical
Publication of EP0933976B1 publication Critical patent/EP0933976B1/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
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices

Definitions

  • the invention relates to a device for igniting a High-pressure gas discharge lamp in a motor vehicle with at least one Ignition transformer, with at least one ignition capacitor and with one Switching element, which with the at least one ignition capacitor electrically connects the primary winding of the at least one ignition transformer for Generation of one of the operating voltage of the high pressure gas discharge lamp superimposed ignition voltage.
  • the problem with such a superimposed ignition device is that both the primary winding as well as the secondary winding of the ignition transformer together with capacitances in the primary circuit (especially the ignition capacitor) and in the secondary circuit (parasitic capacitances, interference suppression capacitors etc.) in each case form electrical resonant circuits over the at least one Ignition transformer are magnetically coupled.
  • the ignition energy is generated from the primary and secondary vibrations Ignition capacitor during the ignition process, at least partially, several times transmitted back and forth between the primary and the secondary circuit.
  • the ignition energy from the primary circuit arrives in several pulses the high pressure gas discharge lamp. It is particularly disadvantageous that the Lamp current has zero crossings, so that the High pressure gas discharge lamp again immediately after an ignition pulse goes out.
  • B. at Relighting a hot high pressure gas discharge lamp is a reliable one Ignition no longer guaranteed.
  • the at least one Ignition capacitor a free-wheeling diode is connected in parallel.
  • This Inexpensive freewheeling diode is a backward energy exchange from Prevents secondary circuit in the primary circuit and thus an oscillation of the Ignition current safely suppressed by the high pressure gas discharge lamp.
  • a particular advantage of the measure according to the invention is that it is very various types of ignition devices is suitable, and in particular for versions with one or more Ignition transformers and / or with one or more ignition capacitors.
  • the two ignition devices shown in Figures 1 and 2 have two ignition transformers each. Since the one to be generated on the secondary side Ignition voltage distributed to both ignition transformers and thus to each of the Secondary windings only half the ignition voltage occurs, this can Ignition transformers in terms of their insulation particularly simple and small-scale.
  • the ignition transformers can also be used in this way be designed so that in the electrical leads of High-pressure gas discharge lamp inserted secondary windings for filtering high-frequency interference pulses are suitable.
  • the high pressure gas discharge lamp (GEL) is connected via two connecting lines (1, 2) connected to a control unit, not shown, in each Connection line (1, 2) each the secondary winding of an ignition transformer (ZT1, ZT2) is switched.
  • V varistor
  • C capacitor
  • the primary windings of the ignition transformers (ZT1, ZT2) are (zünd C, C zünd1, C zünd2) with a ( Figure 2) or two ( Figure 1) firing capacitors connected, by means of a Schalffunkenumble (FS) as a switching element in the primary winding of the ignition transformers ( ZT1, ZT2) can be discharged.
  • each ignition transformer (ZT1, ZT2) is associated with its own ignition capacitor (C zünd1, C zünd2), whereas in the Figure 1, the charge of a single ignition capacitor (C zünd) on both ignition transformers (ZT1, ZT2 ) is divided.
  • An acceleration capacitor (C B ) is connected in parallel to the switching spark gap (FS), which accelerates the gas discharge of the switching spark gap, whereby the ignition voltages generated on the secondary side reach higher values.
  • the Schalffunkenrange discharges the / the firing capacitors (C zünd, C zünd1, C zünd2) in the primary side windings of the ignition transformers (ZT1, ZT2).
  • the ignition transformers (ZT1, ZT2) are switched so that the secondary ignition voltages add up.
  • the ignition voltage is superimposed on the open circuit voltage fed into the connecting lines (1, 2) by the control unit and ignites the high pressure gas discharge lamp.
  • the primary windings of the ignition transformers (ZT1, ZT2) act as inductors, which block both the common-mode and the push-pull faults of the high-pressure gas discharge lamp (GEL).
  • the lamp capacitor (C L ) parallel to the high-pressure gas discharge lamp (GEL) also reduces the lamp faults during operation and also ensures that the two ignition voltages are synchronized and thus ensure that the phases are added correctly.
  • the problem underlying the invention is that the inductors of the ignition transformer windings both on the primary side and on the secondary side form resonant circuits together with different capacities.
  • Is in the primary circuit / these are the capacitance (s) of the or of the firing capacitors (C zünd, C zünd1, C zünd2), since the speed-up capacitor (C B) is short-circuited during the ignition by the Schalffunkenumble (FS).
  • the lamp capacitor (C L ) or the capacitor (C) provided for interference suppression together with the secondary windings of the ignition transformers (ZT1, ZT2) form oscillatory arrangements.
  • a freewheeling diode (D) (zünd C) parallel to the ignition capacitor, or in each case one freewheeling diode (D1, D2) to the firing capacitors (C zünd1, C zünd2) prevents an oscillation of the ignition current in parallel, because unused ignition energy not from the secondary circuit in the primary circuit can be re-transmitted, since the free-wheeling diode (s) (D, D1, D2), a recharging of the ignition capacitor (C zünd) or the firing capacitors (C zünd1, C zünd2) prevented by the back transmitted ignition energy.
  • the ignition current in the secondary circuit passes uniformly into the operating current.
  • GEL high-pressure gas discharge lamp

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
EP99101908A 1998-01-31 1999-01-29 Dispositif d'amorçage d'une lampe à décharge à haute pression dans un véhicule Expired - Lifetime EP0933976B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803854 1998-01-31
DE19803854A DE19803854A1 (de) 1998-01-31 1998-01-31 Einrichtung zum Zünden einer Hochdruckgasentladungslampe in einem Kraftfahrzeug

Publications (3)

Publication Number Publication Date
EP0933976A2 true EP0933976A2 (fr) 1999-08-04
EP0933976A3 EP0933976A3 (fr) 2000-03-29
EP0933976B1 EP0933976B1 (fr) 2001-11-21

Family

ID=7856293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101908A Expired - Lifetime EP0933976B1 (fr) 1998-01-31 1999-01-29 Dispositif d'amorçage d'une lampe à décharge à haute pression dans un véhicule

Country Status (4)

Country Link
EP (1) EP0933976B1 (fr)
AT (1) ATE209427T1 (fr)
DE (2) DE19803854A1 (fr)
ES (1) ES2168814T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10159112A1 (de) * 2001-12-01 2003-06-18 Hella Kg Hueck & Co Zündtransformator für eine Gasentladungslampe in einem Kraftfahrzeug
WO2007138507A1 (fr) * 2006-05-31 2007-12-06 Koninklijke Philips Electronics N.V. Procédé et système pour faire fonctionner une lampe à décharge de gaz

Families Citing this family (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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405715A1 (fr) * 1989-06-30 1991-01-02 Hubbell Incorporated Circuit d'allumage de lampes
EP0507396A2 (fr) * 1991-04-04 1992-10-07 Koninklijke Philips Electronics N.V. Dispositif de circuit
DE4420182A1 (de) * 1993-06-10 1994-12-15 Matsushita Electric Works Ltd Stromversorgungsvorrichtung
WO1995028068A1 (fr) * 1994-04-06 1995-10-19 Philips Electronics N.V. Configuration de circuit
WO1999002018A1 (fr) * 1997-07-04 1999-01-14 Koninklijke Philips Electronics N.V. Montage de circuits

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904001C2 (de) * 1977-09-30 1983-04-28 Walter Bauch GmbH, 1000 Berlin Zünd- und Betriebsgerät für Hochdruckentladungslampen
US4890041A (en) * 1988-03-10 1989-12-26 Hubbell Incorporated High wattage HID lamp circuit
DE4423275A1 (de) * 1994-07-05 1996-01-11 Bosch Gmbh Robert Zündvorrichtung für Gasentladungslampen, insbesondere für Kraftfahrzeugleuchten

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405715A1 (fr) * 1989-06-30 1991-01-02 Hubbell Incorporated Circuit d'allumage de lampes
EP0507396A2 (fr) * 1991-04-04 1992-10-07 Koninklijke Philips Electronics N.V. Dispositif de circuit
DE4420182A1 (de) * 1993-06-10 1994-12-15 Matsushita Electric Works Ltd Stromversorgungsvorrichtung
WO1995028068A1 (fr) * 1994-04-06 1995-10-19 Philips Electronics N.V. Configuration de circuit
WO1999002018A1 (fr) * 1997-07-04 1999-01-14 Koninklijke Philips Electronics N.V. Montage de circuits

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10159112A1 (de) * 2001-12-01 2003-06-18 Hella Kg Hueck & Co Zündtransformator für eine Gasentladungslampe in einem Kraftfahrzeug
WO2007138507A1 (fr) * 2006-05-31 2007-12-06 Koninklijke Philips Electronics N.V. Procédé et système pour faire fonctionner une lampe à décharge de gaz

Also Published As

Publication number Publication date
ES2168814T3 (es) 2002-06-16
ATE209427T1 (de) 2001-12-15
EP0933976A3 (fr) 2000-03-29
EP0933976B1 (fr) 2001-11-21
DE59900657D1 (de) 2002-02-21
DE19803854A1 (de) 1999-08-05

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