EP1246512A2 - Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug - Google Patents
Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug Download PDFInfo
- Publication number
- EP1246512A2 EP1246512A2 EP02005597A EP02005597A EP1246512A2 EP 1246512 A2 EP1246512 A2 EP 1246512A2 EP 02005597 A EP02005597 A EP 02005597A EP 02005597 A EP02005597 A EP 02005597A EP 1246512 A2 EP1246512 A2 EP 1246512A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- discharge lamp
- control unit
- gas discharge
- lamp
- 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.)
- Ceased
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000001052 transient 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
- H05B41/14—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 headlight arrangement for a High pressure gas discharge lamp in a motor vehicle with a reflector electrically conductive material or a conductive coating and one electrical contact point for contacting the reflector, with a Gas discharge lamp in the reflector, with an igniter for igniting the Gas discharge lamp, with a control unit for operating the Gas discharge lamp, with connecting lines between ignitor and Control unit and with a connecting line between the reflector and a Earth connection on the control unit.
- Such a headlamp arrangement corresponds to the prior art.
- the Ground connection on the reflector serves to protect people. If the High pressure gas discharge lamp makes electrical contact with the conductive reflector gets (e.g. in the event of an accident), then the ground connection prevents one for Man and animal dangerous voltage on the reflector.
- the reflector ground connection also has disadvantages.
- some of the ignition energy is capacitively coupled from the lamp to the reflector and is from there fed into the vehicle electrical system via the ground line.
- the circuit closes about the battery, the control unit, the igniter, the High pressure gas discharge lamp and the reflector.
- the electrical system can unexpected places unauthorized high voltages arise with disruptive, if not even destructive effects.
- stationary lamp operation are the reignition peaks in the same way Current commutation in the gas discharge lamp arise in the vehicle electrical system fed. The disturbances occur especially with radio equipment like Radio and tire pressure control noticeable.
- This object is achieved in that the ground line between reflector and control unit and the connecting lines between Ignitor and control unit together at least once in the same direction are guided by a magnetically closed ferrite.
- the advantage here is that the capacitive coupling of electrical Lamp disturbances (transient impulses when igniting, re-ignition peaks when Commutation in stationary operation) via the reflector into the vehicle clearly is reduced.
- the magnetically closed ferrite can advantageously be used, for example, as a ring or Cylinder core to be executed.
- the single figure shows a schematic representation of the invention Headlamp assembly.
- a headlight is shown, within the reflector of which High-pressure gas discharge lamp is arranged.
- An ignitor to ignite the High-pressure gas discharge lamp forms a structural unit with the headlight.
- An on the vehicle electrical system connected control unit is used to operate the High-pressure gas discharge lamp.
- the control unit is at least one Supply line in connection with the ignitor.
- To discharge dangerously high Voltages in the event of a fault is the reflector via a ground line with a Earth connection of the control unit or connected to the vehicle electrical system earth.
- both the ground line between the reflector and the control device as well as the connecting line (s) between ignitor and control unit at least once together in the same direction by a magnetic closed ferrites, here designed as cylindrical ferrite cores.
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
Description
Claims (2)
- Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeugdadurch gekennzeichnet, daß die Masseleitung zwischen Reflektor und Steuergerät und die Verbindungsleitungen zwischen Zündgerät und Steuergerät mindestens einmal gemeinsam in gleicher Richtung durch einen magnetisch geschlossenen Ferriten geführt sind.mit einem Reflektor aus elektrisch leitfähigem Material oder einer leitfähigen Beschichtung und einer elektrischen Kontaktstelle zur Kontaktierung des Reflektors,mit einer Gasentladungslampe in dem Reflektor,mit einem Zündgerät zum Zünden der Gasentladungslampe,mit einem Steuergerät zum Betreiben der Gasentladungslampe,mit Verbindungsleitungen zwischen Zündgerät und Steuergerät undmit einer Verbindungsleitung zwischen dem Reflektor und einem Masseanschluß am Steuergerät,
- Scheinwerferanordnung nach Anspruch 1, dadurch gekennzeichnet, daß der Ferrit als Ringkern oder Zylinderkern ausgeführt ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10116254 | 2001-03-31 | ||
| DE2001116254 DE10116254A1 (de) | 2001-03-31 | 2001-03-31 | Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1246512A2 true EP1246512A2 (de) | 2002-10-02 |
| EP1246512A3 EP1246512A3 (de) | 2005-01-26 |
Family
ID=7680016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02005597A Ceased EP1246512A3 (de) | 2001-03-31 | 2002-03-12 | Scheinwerferanordnung für eine Hochdruckgasentladungslampe in einem Kraftfahrzeug |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1246512A3 (de) |
| DE (1) | DE10116254A1 (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| FR3002707A1 (fr) * | 2013-02-25 | 2014-08-29 | Renault Sa | Dispositif d’alimentation electrique |
| US9123498B2 (en) | 2012-04-26 | 2015-09-01 | Koninklijke Philips N.V. | Ground connection to a lamp housing |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE4315394A1 (de) * | 1993-05-08 | 1994-11-10 | Bosch Gmbh Robert | Scheinwerfer für Fahrzeuge |
| US5461351A (en) * | 1994-06-06 | 1995-10-24 | Shusterman; Boris | Common-mode filtering attachment for power line connectors |
| FR2736238B1 (fr) * | 1995-06-29 | 1997-09-19 | Valeo Vision | Module de filtrage pour connecteur de lampe a decharge, notamment dans un projecteur de vehicule automobile, ensemble d'un connecteur et d'un tel module de filtrage, et projecteur comprenant cet ensemble |
| US5879073A (en) * | 1996-01-29 | 1999-03-09 | Koito Manufacturing Co., Ltd. | Vehicular lamp having discharge bulb |
| DE29615609U1 (de) * | 1996-09-09 | 1998-01-15 | Niggemeyer, Gert Günther, 21244 Buchholz | Verbindung von Hochdruckgasentladungslampen mit Vorschaltgeräten |
| DE19924095A1 (de) * | 1999-05-26 | 2000-11-30 | Hella Kg Hueck & Co | Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug |
| DE19925795A1 (de) * | 1999-06-05 | 2000-12-14 | Bosch Gmbh Robert | Lampenansteuerschaltung |
| DE19954489A1 (de) * | 1999-11-12 | 2001-05-17 | Hella Kg Hueck & Co | Schaltung zum Betreiben einer Wechselstrom-Hochdruckgasentladungslampe für ein Kraftfahrzeug |
-
2001
- 2001-03-31 DE DE2001116254 patent/DE10116254A1/de not_active Withdrawn
-
2002
- 2002-03-12 EP EP02005597A patent/EP1246512A3/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| None |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US9123498B2 (en) | 2012-04-26 | 2015-09-01 | Koninklijke Philips N.V. | Ground connection to a lamp housing |
| FR3002707A1 (fr) * | 2013-02-25 | 2014-08-29 | Renault Sa | Dispositif d’alimentation electrique |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1246512A3 (de) | 2005-01-26 |
| DE10116254A1 (de) | 2002-10-02 |
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Legal Events
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| AX | Request for extension of the european patent |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: HELLA KGAA HUECK & CO. |
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| PUAL | Search report despatched |
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| 17P | Request for examination filed |
Effective date: 20050624 |
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| AKX | Designation fees paid |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 18R | Application refused |
Effective date: 20061014 |