EP2115349B1 - Phare - Google Patents

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Publication number
EP2115349B1
EP2115349B1 EP08717385A EP08717385A EP2115349B1 EP 2115349 B1 EP2115349 B1 EP 2115349B1 EP 08717385 A EP08717385 A EP 08717385A EP 08717385 A EP08717385 A EP 08717385A EP 2115349 B1 EP2115349 B1 EP 2115349B1
Authority
EP
European Patent Office
Prior art keywords
reflector
support
lamp
light source
carrier
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.)
Not-in-force
Application number
EP08717385A
Other languages
German (de)
English (en)
Other versions
EP2115349A1 (fr
Inventor
Peter Helbig
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.)
Osram GmbH
Original Assignee
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Publication of EP2115349A1 publication Critical patent/EP2115349A1/fr
Application granted granted Critical
Publication of EP2115349B1 publication Critical patent/EP2115349B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • 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
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • 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

Definitions

  • the invention relates to a headlamp, in particular a vehicle headlamp, with a reflector, which is associated with a light source, which is contacted by means of a contact carrier carrying electrical contacts.
  • a reflector is designed with a receptacle for a lamp, for example a halogen lamp which projects with its lamp vessel in the reflector, wherein the lamp cap is arranged with the electrical contact lugs of the lamp on the back outside of the reflector.
  • a contact housing is provided which is fastened via a carrier part on the rear side of the reflector.
  • three reflectors are arranged laterally nested in each other, in which case the support member is arranged with the respective reflector associated contact housings on the back of this reflector assembly.
  • the DE 299 24 897 U1 discloses a lamp socket for a vehicle headlamp having a housing in which a lamp is pre-mounted, and which is fixable by means of a locking device to a lamp neck of a reflector.
  • the invention has for its object to provide a manufactured with little effort headlights.
  • the carrier thus assumes a dual function, since it carries both the housing-side contacts and the light source to be contacted so that the mechanical and electrical contact of the Light source are placed in the carrier inside.
  • the light source can be aligned very precisely with respect to the reflector (referencing).
  • the electrical contacts are made dimensionally extremely exact to the light source side contacts. Another advantage is that by eliminating a coupling on the reflector this can be performed very easily and with high optical quality.
  • the coupling for fastening the light source is preferably designed as a bayonet coupling with a reference surface for defined conditioning of the light source.
  • the support of the carrier at the back of the reflector is particularly stable, since this is designed according to the invention as a three-point bearing. It is preferred to arrange the coupling centrally on the carrier, which is then carried out with three radially projecting support arms, one of which carries the contacts and which are fixed along their end portions on the reflector.
  • the pins can be arranged or formed asymmetrically, so that an accidental rotation of the carrier is excluded.
  • the pins are preferably made with a radially recessed end portion for mounting a securing means, wherein at one connected to the reflector Base part is provided an annular support surface for the carrier.
  • the preparation of the carrier is particularly simple when it is made as an injection molded part, wherein a contact receiving housing is integrated into the carrier.
  • FIG. 1 shows a three-dimensional representation of a reflector / lamp assembly 1, which is used in a non-illustrated headlight housing, in the emission direction is closed by a translucent front cover.
  • the reflector / lamp assembly 1 consists essentially of a reflector 2, on the visible in Figure 1 back a support 4 is fixed, which carries a light source, such as a single-filament halogen lamp or a xenon lamp and a contact housing 8.
  • the contact housing 8 has arranged in recesses 10, 12 socket contacts, which are also connected via not shown connecting cable to the power supply.
  • the illustrated halogen incandescent lamp 6 is designed with two radially projecting and superimposed contact lugs 14, 16, which when screwing in the halogen incandescent lamp 6 from the in FIG. 1 Visible open side of the recesses 10, 12 forth swing into the contact housing 8 and then in the illustrated Endfitposition the halogen incandescent lamp 6 are in contact with the contacts mentioned above.
  • the contact housing 8 is shown visible from the rear, so that the rear-side mouths of the recesses 10, 12 can be seen, in which said contacts are inserted and out of which extend the connection cables.
  • the contact housing 8 is approximately cuboidal, and has two contact slots 18, 20 on its facing the halogen bulb 6 wall, through which the contact lugs 14, 16 can be pivoted into its final position. Further details of the contact housing 8 are explained below with reference to Figures 4 and 5.
  • the reflector 2 can be made of thermosets by pressing and possibly vapor deposition with a reflector layer.
  • the reflector 2 according to the invention has a recess 34 in the middle, through which extends a part of the base and the lamp vessel of the lamp. In contrast to conventional solutions, however, no means for holding the lamp 6 are provided on this reflector 2.
  • This holder is integrated in the carrier 4 so that it can fulfill its double function mentioned above - electrical and mechanical contacting of the lamp 6. Details of the carrier 4 are based on the FIGS. 4 and 5 explains FIG. 4 a three-dimensional view from above and FIG. 5 a bottom view of the carrier 4 shows.
  • the carrier 4 has an approximately star-shaped basic body with an approximately annular central part 36, on which three radially projecting support arms 38, 40, 42 are formed. These are aligned with respect to the pins 22, 24, 26 and are at their end portions with Assembly openings 44 provided, whose clear width corresponds to the diameter of the end portions 28 of the pins 22, 24, 26, so that the carrier 4 can be placed on this.
  • the distribution of the pins 22, 24, 26 on the back of the reflector or its geometry can be chosen so that the carrier 4 can be placed only in a certain position.
  • the contact housing 8 is attached to the support arm 40 and communicates with his in FIG. 2 visible back over the peripheral edges of the support arm 40 addition, so that there is enough space for receiving the contacts and the contact lugs available.
  • the narrow side of the contact housing 8 facing the reflector 2 terminates with the large area of the support 4 facing the reflector 2 (see FIG Fig. 5 ).
  • the contact housing is practically arranged on this narrow side "standing" on the support arm 40.
  • FIG. 5 are provided on the reflector 2 facing large surfaces of the support arms 38, 40 in the region of the end portions recesses 46, 48, along the bottom surfaces of the carrier 4 is seated on the associated pin 22 and 24 respectively.
  • third support arm 36 this cutout is not provided. Accordingly, then the base part of the associated pin 26 is designed with a smaller axial length to allow a planar contact of the carrier 4 to the pins 22, 24, 26 and thus with respect to the reflector 2. By this measure, a rotation is also effected.
  • the fastening of the lamp 6 is carried out in a conventional manner via a bayonet lock, wherein the housing-side parts of this bayonet lock not - as in the state the technology - are formed on the reflector but on the support 4.
  • the middle part 36 with a bayonet recess 50 - also called keyhole - executed on the peripheral wall in a conventional manner three obliquely bayonet cams 52, 54, 56 are formed, which cooperate with corresponding bayonet elements on the base of the lamp 6, so that these by turning can be reliably locked in the support part 4.
  • the construction of such bayonet couplings is known, so that further explanations are unnecessary.
  • the coupling is designed so that the base of the lamp 6 in its desired position along a defined support surface 58 (see FIG. 5 ) rests on the support 4, wherein the radial positioning is effected by the precise configuration of the guide flanks of the bayonet cams 52, 54, 56. Since the position positioning of the lamp 6 with respect to the support member 4 is thus ensured in the locked state, the orientation of the lamp 6 with respect to the reflector 2 depends only on the exact attachment and adjustment of the support 4 on the reflector 2.
  • the prefabricated carrier 4 When mounting the module, the prefabricated carrier 4 is placed on the end portions 28 of the pins 22, 24, 26 and then on the out of the carrier 4 end portions 28 each have a securing means, for example, a lock washer 58 according to the FIGS. 1 and 2 placed.
  • a securing means for example, a lock washer 58 according to the FIGS. 1 and 2 placed.
  • Such locking washers 58 are designed with spring tongues, which hold the carrier 4 non-positively and positively on the respective pin 22, 24, 26.
  • other securing means such as screws or the like can be used.
  • the pin and sleeve-like receptacles can be provided in the then formed on the carrier 4 pins or inserted into the carrier 4 securing means, for example. Fastening bolts are used.
  • the bayonet lock is integrated in the carrier 4, in principle, these elements of the bayonet lock could also be used as a metal component.
  • a headlamp in particular a vehicle headlamp, in which a carrier 4 is attached to a reflector 2, which carries a lamp 6, preferably a halogen incandescent lamp and contacts for contacting the lamp 6.
  • a lamp 6 preferably a halogen incandescent lamp and contacts for contacting the lamp 6.
  • the support 4 thus the functions contacting and mechanical support and the references for positioning the lamp 6 are integrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (8)

  1. Phare comprenant un réflecteur (2) auquel est associée une source lumineuse (6) avec laquelle un contact est établi au moyen d'un support (4) portant des contacts électriques fixé sur le réflecteur (2), support qui possède aussi un accouplement (50) pour la fixation de la source lumineuse (6), caractérisé en ce que le support (4) prend appui sur le réflecteur (2) par le biais d'une fixation en trois points.
  2. Phare selon la revendication 1, l'accouplement étant un accouplement à baïonnette avec un évidement de baïonnette (50), une surface de référence (58) servant au positionnement de la source lumineuse (6) étant formée sur le support (4).
  3. Phare selon la revendication 1, l'accouplement (50) étant formé sur une partie centrale (36) du support (4) d'où partent trois bras de support (38, 40, 42) qui s'étendent radialement en saillie, bras dont un porte un logement de contacts (8) pour les contacts et qui sont pourvus d'ouvertures de montage (44) à leurs extrémités.
  4. Phare selon l'une des revendications précédentes, des tourillons (22, 24, 26) étant formés sur un côté postérieur du réflecteur (2) pour poser le support (4).
  5. Phare selon la revendication 4, les tourillons (22, 24, 26) étant formés ou disposés de manière asymétrique.
  6. Phare selon la revendication 4 ou 5, chaque tourillon (22, 24, 26) ayant une partie de base (30) et une portion d'extrémité (28) radialement en retrait, de telle sorte qu'une surface d'appui annulaire (32) pour le support (4) est créée.
  7. Phare selon l'une des revendications précédentes, le support (4) étant fabriqué par moulage par injection de matière plastique.
  8. Phare selon l'une des revendications précédentes, la source lumineuse (6) étant une lampe à incandescence halogène.
EP08717385A 2007-03-08 2008-03-04 Phare Not-in-force EP2115349B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007011430A DE102007011430A1 (de) 2007-03-08 2007-03-08 Scheinwerfer
PCT/EP2008/052629 WO2008107442A1 (fr) 2007-03-08 2008-03-04 Phare

Publications (2)

Publication Number Publication Date
EP2115349A1 EP2115349A1 (fr) 2009-11-11
EP2115349B1 true EP2115349B1 (fr) 2013-01-23

Family

ID=39434317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08717385A Not-in-force EP2115349B1 (fr) 2007-03-08 2008-03-04 Phare

Country Status (3)

Country Link
EP (1) EP2115349B1 (fr)
DE (1) DE102007011430A1 (fr)
WO (1) WO2008107442A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT513362B1 (de) * 2012-08-23 2014-06-15 Zizala Lichtsysteme Gmbh Verfahren zum Positionieren eines Licht formenden Körpers
DE102013102835B4 (de) * 2013-03-20 2022-12-29 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034045B (de) * 1955-11-04 1958-07-10 Fabrication Des Projecteurs El Fahrzeugscheinwerfer mit Steckerstiftlampe und Standlichtlaempchen
DE3715532C2 (de) * 1987-05-09 1995-08-31 Bosch Gmbh Robert Leuchte für Kraftfahrzeuge, insbesondere vordere Park- und/oder Begrenzungsleuchte für Personenkraftfahrzeuge
FR2790063B1 (fr) * 1999-02-22 2001-06-08 Valeo Vision Projecteur de vehicule automobile comportant des moyens perfectionnes de retenue de lampe
DE29924897U1 (de) 1999-03-29 2006-06-29 Hella Kgaa Hueck & Co. Lampenfassung für einen Fahrzeugscheinwerfer
DE102005033882B4 (de) * 2005-07-20 2015-04-09 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für Kraftfahrzeuge, Baugruppe für eine solche Beleuchtungseinrichtung und Verfahren zur Montage einer solchen Beleuchtungseinrichtung
DE102005045765A1 (de) 2005-09-23 2007-04-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Fahrzeugscheinwerfer

Also Published As

Publication number Publication date
EP2115349A1 (fr) 2009-11-11
DE102007011430A1 (de) 2008-09-11
WO2008107442A1 (fr) 2008-09-12

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