EP1892461A1 - Projecteur pour un véhicule - Google Patents

Projecteur pour un véhicule Download PDF

Info

Publication number
EP1892461A1
EP1892461A1 EP06119535A EP06119535A EP1892461A1 EP 1892461 A1 EP1892461 A1 EP 1892461A1 EP 06119535 A EP06119535 A EP 06119535A EP 06119535 A EP06119535 A EP 06119535A EP 1892461 A1 EP1892461 A1 EP 1892461A1
Authority
EP
European Patent Office
Prior art keywords
reflector
reflection surface
daytime running
filament
headlamp according
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
EP06119535A
Other languages
German (de)
English (en)
Other versions
EP1892461B1 (fr
Inventor
Wolfgang Peitz
Michael Burg
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
Priority to EP06119535A priority Critical patent/EP1892461B1/fr
Publication of EP1892461A1 publication Critical patent/EP1892461A1/fr
Application granted granted Critical
Publication of EP1892461B1 publication Critical patent/EP1892461B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments

Definitions

  • the invention relates to a headlamp for vehicles with a cup-shaped reflector, with a reflector associated with the bulb whose lamp bulb in the light exit direction of the reflector and having a high beam and a daytime running filament, wherein the daytime running filament is disposed between the reflector and the high beam and the high beam filament a Aperture is assigned, shaded by the high beam at a reflector portion which is smaller than half the reflection surface of the reflector.
  • the object of the invention is to make the headlamp described in the preamble of claim 1 in such a way that no light rays are produced by the aperture associated with the high-beam filament, which illuminate the apron of the vehicle disturbing or stained after a further reflection on the reflector.
  • This object is achieved according to the invention in that the diaphragm is arranged above the high beam filament is, wherein the shadable by the aperture reflector portion is disposed in the upper region of the reflector.
  • the light rays of the high-beam filament reflected on the inside of the diaphragm are directed downwards and then reflect upward on the reflector. Upwardly directed light beams are not involved in the illumination of the road, and thus no disturbing light spots in the apron of the vehicle can occur.
  • the shadable by the aperture upper reflector portion has a designed for daytime running reflective surface and the reflector below the designed for daytime running reflection surface designed for high beam lower reflection surface
  • the upper reflection surface for daytime running lights 25th % of the total reflection surface of the reflector or the lamp seen against the light exit direction of the reflector and starting from the center of a vertical middle line has an offset upwards of at least 5%, preferably 8 to 12% of the reflector height or the entire lamp envelope against the light exit direction of the reflector, is arranged in the upper half of the reflector.
  • the reflector can be designed so that as much light power for the high beam, but still enough for the daytime running lights available stands.
  • the upper edge of the reflector is arranged offset from its lower edge to the rear of the reflector to the rear. This is only possible by the off-center offset of the bulb upwards and the shape of the reflector, this can be adjusted with its front edge of the inclination of the lens of the headlamp, which extends obliquely backwards to the rear.
  • the reflector is optically advantageous designed when switched on daytime running the lower reflector portion an arcuate partial light distribution, the arc is opened upwards, and the upper reflector portion generates a partial light distribution, which extends above this and the interior of the arc-shaped partial light distribution fills.
  • the upper reflection surface for daytime running light has a daytime running light scattering optics surface which generates a partial upper light distribution, which together with a lower partial light distribution, which generates the lower reflector portion for high beam, a total light distribution for daytime running lights, the light of the daytime running light at the reflection surface at least between 15 ° and 25 °, preferably between 18 ° to 22 ° scatters.
  • the reflector is torsionally rigid and appealing in appearance when the daytime running surface upper reflecting surface comprises arcuate broad strip portions formed by optical elements and the lower reflecting surface for high beam comprises optical broad strip portions formed by optical elements, the number of adjacent ends being arcuate and vertical extending wide strip portions is the same size.
  • the headlight for vehicles according to Figures 1 and 2 has a cup-shaped housing (not shown) and a front cover of the housing covering translucent cover 16, which is at least partially free of optical elements. Thus, one can see in through the lens 16 through into the interior of the headlight into it.
  • the cover plate 16 is upward to the rear inclined, ie the upper edge of the cover plate 16 is set back relative to the lower edge.
  • a cup-shaped reflector 1 is arranged.
  • the reflector 1 is made of plastic and has at the rear a receiving opening 17 for an incandescent lamp, of which a daytime running light 4, a high-beam filament 3 and a high-beam filament 3 associated trough-shaped aperture 5 is shown.
  • the daytime running filament 4 is arranged between the receiving opening 17 and the high-beam filament 3, wherein the high-beam filament 3 is located on an axis 18, which is the longitudinal axis of the incandescent lamp or the optical axis of the reflector 1, and the daytime running filament 4 is slightly below the axis 18.
  • the trough-shaped aperture 5 is arranged above the high-beam filament 3 and symmetrically to a vertical central line 9.
  • the diaphragm 5 shields an upper reflection surface 7 of an upper reflector section 6.
  • the shielded by the aperture 5 reflection surface 7 is smaller than the reflection surface, which lies above a horizontal surface in which the axis 18 extends.
  • the high beam beams 19 are directed, which collects the lower reflection surface 8 to a reaching far into the light beam.
  • the high beam produces a high beam distribution.
  • the high beam beams 19 are almost parallel except for small angular deviations.
  • the incident on the lower reflection surface 8 light rays 21 of the daytime running light spiral 4 generate because of their defocus to the lower reflection surface 8 an arcuately extending lower partial light distribution 15, wherein the sheet is open upwards.
  • the upper reflection surface 7 is optimally designed for daytime running lights and the light rays impinging on the upper reflection surface 7 generate a partial light distribution 12, which is arranged substantially above the lower partial light distribution 15.
  • the upper partial light distribution 12 fills in a region of the interior of the arc of the lower partial light distribution 12 and has a bar which extends above the ends of the arc of the lower partial light distribution 15.
  • the upper reflection surface 7 of the reflector has a plurality of arcuate optical strip sections 13, whose course is adapted to the course of the outer edge of the reflector 1 and / or surrounding the receiving opening 17 concentrically.
  • the arcuate strip sections 13 are each composed of juxtaposed optical elements.
  • the lower reflection surface 7 has a plurality of vertically extending optical strip sections 14, which approach the arcuate strip sections 13.
  • Each end of the arcuate strip sections 13 is assigned at least one vertical strip section 13.
  • the entire reflection surface of the reflector 1 appears like a torbogen and thus there is a harmonious appearance.
  • a thin-walled reflector made of plastic may have sufficient rigidity and heat resistance.
  • the receiving opening 17 is arranged off-center of the reflector 1.
  • the receiving opening 17 is seen against the light exit direction of the reflector 1 offset upwards offset (10).
  • the outer reflector dimensions are between 90 and 110 mm and the offset 10 is about 8 to 12% of the outer reflector dimension.
  • the offset 10 the entire reflection surface of the reflector 1 can be designed so that the front edge of the reflector 1 as well as the cover plate 16 extends obliquely backwards towards the top. In this case, the front edge of the reflector 1 extend approximately at an equidistant distance from the cover plate 16.
  • the receiving opening 17 is arranged centrally in the reflector 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP06119535A 2006-08-25 2006-08-25 Projecteur pour un véhicule Active EP1892461B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06119535A EP1892461B1 (fr) 2006-08-25 2006-08-25 Projecteur pour un véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06119535A EP1892461B1 (fr) 2006-08-25 2006-08-25 Projecteur pour un véhicule

Publications (2)

Publication Number Publication Date
EP1892461A1 true EP1892461A1 (fr) 2008-02-27
EP1892461B1 EP1892461B1 (fr) 2013-03-13

Family

ID=37192268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06119535A Active EP1892461B1 (fr) 2006-08-25 2006-08-25 Projecteur pour un véhicule

Country Status (1)

Country Link
EP (1) EP1892461B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072888A3 (fr) * 2007-12-21 2010-04-14 Hella KG Hueck & Co. Phare pour véhicules
EP2075500A3 (fr) * 2007-12-27 2010-04-28 Koito Manufacturing Co., Ltd. Phare de véhicule
DE102009039786A1 (de) 2009-09-02 2011-03-03 Osram Gesellschaft mit beschränkter Haftung Fahrzeugscheinwerferlampe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1825084A (en) * 1927-08-15 1931-09-29 Delco Remy Corp Reflector for automobile headlamps
FR2390671A1 (fr) 1977-05-10 1978-12-08 Bayerische Motoren Werke Ag Phare de croisement et d'eclairage de route pour vehicule automobile
US6354718B1 (en) * 1999-05-27 2002-03-12 Koito Manufacturing Co., Ltd. Vehicular headlamp having improved low-beam light distribution pattern
DE20210171U1 (de) * 2002-07-02 2002-09-05 Automotive Lighting Reutlingen Scheinwerfer für Kraftfahrzeug
EP1382900A1 (fr) * 2002-07-15 2004-01-21 Valeo Vision Projecteur de véhicule automobile avec lampe à deux filaments
EP1667205A2 (fr) 2004-11-03 2006-06-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe de phare de véhicule

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1825084A (en) * 1927-08-15 1931-09-29 Delco Remy Corp Reflector for automobile headlamps
FR2390671A1 (fr) 1977-05-10 1978-12-08 Bayerische Motoren Werke Ag Phare de croisement et d'eclairage de route pour vehicule automobile
US6354718B1 (en) * 1999-05-27 2002-03-12 Koito Manufacturing Co., Ltd. Vehicular headlamp having improved low-beam light distribution pattern
DE20210171U1 (de) * 2002-07-02 2002-09-05 Automotive Lighting Reutlingen Scheinwerfer für Kraftfahrzeug
EP1382900A1 (fr) * 2002-07-15 2004-01-21 Valeo Vision Projecteur de véhicule automobile avec lampe à deux filaments
EP1667205A2 (fr) 2004-11-03 2006-06-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lampe de phare de véhicule

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2072888A3 (fr) * 2007-12-21 2010-04-14 Hella KG Hueck & Co. Phare pour véhicules
EP2075500A3 (fr) * 2007-12-27 2010-04-28 Koito Manufacturing Co., Ltd. Phare de véhicule
DE102009039786A1 (de) 2009-09-02 2011-03-03 Osram Gesellschaft mit beschränkter Haftung Fahrzeugscheinwerferlampe

Also Published As

Publication number Publication date
EP1892461B1 (fr) 2013-03-13

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