EP1100292A1 - Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug - Google Patents
Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug Download PDFInfo
- Publication number
- EP1100292A1 EP1100292A1 EP00124484A EP00124484A EP1100292A1 EP 1100292 A1 EP1100292 A1 EP 1100292A1 EP 00124484 A EP00124484 A EP 00124484A EP 00124484 A EP00124484 A EP 00124484A EP 1100292 A1 EP1100292 A1 EP 1100292A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- gas discharge
- pressure gas
- discharge lamp
- reflector
- 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
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
- H05B41/14—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 the connecting lines between this parallel connection 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 switched.
- 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)
Abstract
Description
Eine solche Schaltung ist in der nicht vorveröffentlichten deutschen Patentanmeldung DE 199 24 097 beschrieben.
- C1
- Filterkapazität
- C2, C3
- Kondensatoren
- GDL
- (Wechselstrom-) Hochdruckgasentladungslampe
- ZTR
- Zündtransformator
- L1, L2
- Drosseln
Claims (4)
- Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe (GDL) für ein Kraftfahrzeug, mit einem Vorschaltgerät, einem Zündgerät, einem symmetrischen Lampenfilter und einer Hochdruckgasentladungslampe (GDL), die zumindest teilweise von einem Reflektor umgeben ist, wobei das symmetrische Lampenfilter zwischen der Hochdruckgasentladungslampe (GDL) und der Zündschaltung angeordnet ist, mit einer Filterkapazität (C1) parallel zur Hochdruckgasentladungslampe (GDL) und je einer Drossel (L1, L2) in den Verbindungsleitungen zwischen dieser Parallelschaltung und der Zündschaltung, sowie mit zwei Lampenversorgungsleitungen im Eingang der Zündschaltung,
dadurch gekennzeichnet, dass ein Kondensator (C2 bzw. C3) zwischen dem Reflektor und einer der Lampenversorgungsleitungen angeordnet ist. - Schaltung nach Anspruch 1, dadurch gekennzeichnet, dass der Kondensator (C2 bzw. C3) mit der Lampenversorgungsleitung verbunden ist, welche während des Zündens das geringere Potential gegen Fahrzeugmasse aufweist.
- Schaltung nach Anspruch 1, dadurch gekennzeichnet, dass der Kondensator als Y-Kondensator ausgeführt ist.
- Schaltung nach Anspruch 1, dadurch gekennzeichnet, dass zwischen dem Reflektor und den beiden Lampenversorgungsleitungen je ein Kondensator (C2, C3) angeordnet ist.
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 true EP1100292A1 (de) | 2001-05-16 |
EP1100292B1 EP1100292B1 (de) | 2002-08-07 |
Family
ID=7928829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00124484A Expired - Lifetime EP1100292B1 (de) | 1999-11-12 | 2000-11-09 | Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug |
Country Status (5)
Country | Link |
---|---|
US (1) | US6624581B1 (de) |
EP (1) | EP1100292B1 (de) |
AT (1) | ATE222045T1 (de) |
DE (2) | DE19954489A1 (de) |
ES (1) | ES2180494T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1246512A3 (de) * | 2001-03-31 | 2005-01-26 | Hella KGaA Hueck & Co. | Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug |
WO2008037292A1 (de) * | 2006-09-25 | 2008-04-03 | Osram Gesellschaft mit beschränkter Haftung | Emv-verbesserung durch hf-absorption in leuchten und evgs |
WO2009036795A1 (de) * | 2007-09-12 | 2009-03-26 | Osram Gesellschaft mit beschränkter Haftung | Verbesserte anwendbarkeit von leuchten mit evg ohne pe-leiter |
WO2010028679A1 (de) * | 2008-09-09 | 2010-03-18 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung zur versorgung eines leuchtmittels, elektronisches vorschaltgerät und lampe bzw. leuchte |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2009010924A2 (en) * | 2007-07-19 | 2009-01-22 | Philips Intellectual Property & Standards Gmbh | Gas-discharge lighting system for motor vehicles |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5219444A (en) * | 1991-08-01 | 1993-06-15 | Robert Bosch Gmbh | Motor vehicle headlight having reduced uv radiation emission |
DE4141587A1 (de) * | 1991-12-17 | 1993-06-24 | Bosch Gmbh Robert | Scheinwerfer fuer kraftfahrzeuge |
US5255163A (en) * | 1992-02-01 | 1993-10-19 | Robert Bosch Gmbh | Headlight for motor vehicle |
Family Cites Families (8)
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 |
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 |
-
1999
- 1999-11-12 DE DE19954489A patent/DE19954489A1/de not_active Withdrawn
-
2000
- 2000-11-09 ES ES00124484T patent/ES2180494T3/es not_active Expired - Lifetime
- 2000-11-09 AT AT00124484T patent/ATE222045T1/de not_active IP Right Cessation
- 2000-11-09 EP EP00124484A patent/EP1100292B1/de not_active Expired - Lifetime
- 2000-11-09 DE DE50000352T patent/DE50000352D1/de not_active Expired - Lifetime
- 2000-11-09 US US09/708,683 patent/US6624581B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5219444A (en) * | 1991-08-01 | 1993-06-15 | Robert Bosch Gmbh | Motor vehicle headlight having reduced uv radiation emission |
DE4141587A1 (de) * | 1991-12-17 | 1993-06-24 | Bosch Gmbh Robert | Scheinwerfer fuer kraftfahrzeuge |
US5255163A (en) * | 1992-02-01 | 1993-10-19 | Robert Bosch Gmbh | Headlight for motor vehicle |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1246512A3 (de) * | 2001-03-31 | 2005-01-26 | Hella KGaA Hueck & Co. | Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug |
WO2008037292A1 (de) * | 2006-09-25 | 2008-04-03 | Osram Gesellschaft mit beschränkter Haftung | Emv-verbesserung durch hf-absorption in leuchten und evgs |
WO2009036795A1 (de) * | 2007-09-12 | 2009-03-26 | Osram Gesellschaft mit beschränkter Haftung | Verbesserte anwendbarkeit von leuchten mit evg ohne pe-leiter |
CN101803468B (zh) * | 2007-09-12 | 2013-05-08 | 奥斯兰姆有限公司 | 具有不带pe导体的电子镇流器的发光体的改进的可用性 |
WO2010028679A1 (de) * | 2008-09-09 | 2010-03-18 | Osram Gesellschaft mit beschränkter Haftung | Schaltungsanordnung zur versorgung eines leuchtmittels, elektronisches vorschaltgerät und lampe bzw. leuchte |
Also Published As
Publication number | Publication date |
---|---|
EP1100292B1 (de) | 2002-08-07 |
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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