EP0933976A2 - Einrichtung zum Zünden einer Hochdruckgasentladungslampe in einem Kraftfahrzeug - Google Patents
Einrichtung zum Zünden einer Hochdruckgasentladungslampe in einem Kraftfahrzeug Download PDFInfo
- 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
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 34
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 abstract 1
- 238000010304 firing Methods 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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)
Abstract
Description
- C
- Kondensator
- CB
- Beschleunigungskondensator
- CL
- Lampenkondensator
- Czünd, Czünd1, Czünd2
- Zündkondensatoren
- D, D1, D2
- Freilaufdioden
- FS
- Schaltelement (Schalffunkenstrecke)
- GEL
- Hochdruckgasentladungslampe
- R1, R2
- Widerstände
- V
- Varistor
- ZT1, ZT2
- Zündtransformatoren
- 1,2,3,4
- Verbindungsleitungen
Claims (4)
- Einrichtung zum Zünden einer Hochdruckgasentladungslampe in einem Kraftfahrzeug mit mindestens einem Zündtransformator, mit mindestens einem Zündkondensator und mit einem Schaltelement, welches den mindestens einen Zündkondensator elektrisch mit der Primärwicklung des mindestens einen Zündtransformators verbindet, zur Erzeugung einer der Betriebsspannung der Hochdruckgasentladungslampe zu überlagernden Zündspannung, dadurch gekennzeichnet, daß dem mindestens einen Zündkondensator (Czünd, Czünd1, Czünd2) eine Freilaufdiode (D, D1, D2) parallel geschaltet ist.
- Einrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Einrichtung zwei Zündtransformatoren (ZT1, ZT2) aufweist.
- Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Schaltelement einen gemeinsamen Zündkondensator (Czünd) in die Primärwicklungen beider Zündtransformatoren (ZT1, ZT2) entlädt.
- Einrichtung nach Anspruch 2, dadurch gekennzeichnet, daß jedem Zündtransformator (ZT1, ZT2) ein eigener Zündkondensator (Czünd1, Czünd2) zugeordnet ist und daß jedem Zündkondensator (Czünd1, Czünd2) eine Freilaufdiode (D1, D2) parallel geschaltet ist.
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 (de) | 1999-08-04 |
EP0933976A3 EP0933976A3 (de) | 2000-03-29 |
EP0933976B1 EP0933976B1 (de) | 2001-11-21 |
Family
ID=7856293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99101908A Expired - Lifetime EP0933976B1 (de) | 1998-01-31 | 1999-01-29 | Einrichtung zum Zünden einer Hochdruckgasentladungslampe in einem Kraftfahrzeug |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0933976B1 (de) |
AT (1) | ATE209427T1 (de) |
DE (2) | DE19803854A1 (de) |
ES (1) | ES2168814T3 (de) |
Cited By (2)
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 (en) * | 2006-05-31 | 2007-12-06 | Koninklijke Philips Electronics N.V. | Method and system for operating a gas discharge lamp |
Families Citing this family (2)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0405715A1 (de) * | 1989-06-30 | 1991-01-02 | Hubbell Incorporated | Lampenzündschaltung |
EP0507396A2 (de) * | 1991-04-04 | 1992-10-07 | Koninklijke Philips Electronics N.V. | Schaltungsanordnung |
DE4420182A1 (de) * | 1993-06-10 | 1994-12-15 | Matsushita Electric Works Ltd | Stromversorgungsvorrichtung |
WO1995028068A1 (en) * | 1994-04-06 | 1995-10-19 | Philips Electronics N.V. | Circuit arrangement |
WO1999002018A1 (en) * | 1997-07-04 | 1999-01-14 | Koninklijke Philips Electronics N.V. | Circuit arrangement |
Family Cites Families (3)
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 |
-
1998
- 1998-01-31 DE DE19803854A patent/DE19803854A1/de not_active Withdrawn
-
1999
- 1999-01-29 DE DE59900657T patent/DE59900657D1/de not_active Expired - Lifetime
- 1999-01-29 EP EP99101908A patent/EP0933976B1/de not_active Expired - Lifetime
- 1999-01-29 ES ES99101908T patent/ES2168814T3/es not_active Expired - Lifetime
- 1999-01-29 AT AT99101908T patent/ATE209427T1/de not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0405715A1 (de) * | 1989-06-30 | 1991-01-02 | Hubbell Incorporated | Lampenzündschaltung |
EP0507396A2 (de) * | 1991-04-04 | 1992-10-07 | Koninklijke Philips Electronics N.V. | Schaltungsanordnung |
DE4420182A1 (de) * | 1993-06-10 | 1994-12-15 | Matsushita Electric Works Ltd | Stromversorgungsvorrichtung |
WO1995028068A1 (en) * | 1994-04-06 | 1995-10-19 | Philips Electronics N.V. | Circuit arrangement |
WO1999002018A1 (en) * | 1997-07-04 | 1999-01-14 | Koninklijke Philips Electronics N.V. | Circuit arrangement |
Cited By (2)
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 (en) * | 2006-05-31 | 2007-12-06 | Koninklijke Philips Electronics N.V. | Method and system for operating a gas discharge lamp |
Also Published As
Publication number | Publication date |
---|---|
ES2168814T3 (es) | 2002-06-16 |
ATE209427T1 (de) | 2001-12-15 |
EP0933976A3 (de) | 2000-03-29 |
EP0933976B1 (de) | 2001-11-21 |
DE59900657D1 (de) | 2002-02-21 |
DE19803854A1 (de) | 1999-08-05 |
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