EP2672169B1 - Dispositif d'éclairage pour un véhicule, notamment phare de véhicule automobile - Google Patents

Dispositif d'éclairage pour un véhicule, notamment phare de véhicule automobile Download PDF

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Publication number
EP2672169B1
EP2672169B1 EP13166166.2A EP13166166A EP2672169B1 EP 2672169 B1 EP2672169 B1 EP 2672169B1 EP 13166166 A EP13166166 A EP 13166166A EP 2672169 B1 EP2672169 B1 EP 2672169B1
Authority
EP
European Patent Office
Prior art keywords
light source
spring
reflector
lighting device
opening
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
EP13166166.2A
Other languages
German (de)
English (en)
Other versions
EP2672169A2 (fr
EP2672169A3 (fr
Inventor
Olaf Rottstädt
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.)
Marelli Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Automotive Lighting Reutlingen 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 Automotive Lighting Reutlingen GmbH filed Critical Automotive Lighting Reutlingen GmbH
Publication of EP2672169A2 publication Critical patent/EP2672169A2/fr
Publication of EP2672169A3 publication Critical patent/EP2672169A3/fr
Application granted granted Critical
Publication of EP2672169B1 publication Critical patent/EP2672169B1/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
    • 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
    • F21S41/17—Discharge light sources
    • 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
    • F21S41/194—Bayonet attachments

Definitions

  • the invention further relates to a light source and a reflector for a lighting device according to the invention.
  • a lighting device for a vehicle wherein for releasing and securing a light source to a reflector, a clamping element for fixing the light source is provided in the reflector.
  • This clamping element is movable between an insertion position and an end position and acts in the end position, the light source in the direction of an outer periphery of the reflector opening.
  • the clamping element is held captive by a spring tongue.
  • a light source by means of a wire bow spring at a rear side of a reflector attached. A rotational movement of the light source does not take place. An attachment with only one hand is also not possible.
  • a spring is provided, which is biased in the mounting position against the spring force such that the light source is acted upon radially by the spring in the opening against the mounting portion.
  • the movement into the mounting position can advantageously be done by turning by a rotational angle ⁇ .
  • the vote of the contact forces with which the light source is acted upon radially against the mounting portion can be adjusted by design of the spring to the particular application.
  • the light source may advantageously be a gas discharge lamp.
  • the prior art no fastening device for a light source in a lighting device for a vehicle, in particular in a motor vehicle headlight, with a light source without high demands on the tolerances of the components to be used with a low number of components with only one hand in a defined position can be attached.
  • the spring is arranged in such a way in a guide groove for guiding the spring that they move from a rest position into a Clamping position is movable.
  • the spring can advantageously be arranged between the guide groove and the support section. This is particularly advantageous because the spring can not fall out when arranged in the guide groove of the mounting portion between the reflector and the support portion, as falling out of the spring can be prevented by the support portion. Thus, the spring is secured in position.
  • the spring is provided such that it can be moved by turning the light source from the insertion position into the fastening position into its clamping position.
  • the spring can be moved in the guide groove by a longitudinal displacement of the rest position in the clamping position.
  • the guide groove has two lateral surfaces running transversely to the longitudinal axis, at least in sections, parallel to a tangential plane of the opening.
  • the fixing section engaging the engagement section during rotation of the light source has a pressure point radially on the outside which moves in a circular path during rotation and acts against the lower bracket section in such a way that the lower bracket section of the spring is biased against the upper bracket section, so that the light source is acted upon against the mounting portion.
  • the guide groove has a transverse to the two side surfaces stop portion such that the first bracket portion of the spring abuts in the clamping position on the stopper portion. Due to the positive connection between the engagement portion and the two engagement portions engaging in the insertion position Fixierabitesen therefore not only the movement of the spring in the guide groove, but also the rotatory movement of the light source can be limited.
  • the support section on the reflector by means of the attachment portion or on the support portion provided pins which engage in provided on the support portion or on the attachment portion pin recesses, is rotatably disposed.
  • the light source is movable into the mounting position by rotation through an angle ⁇ in the range of preferably 10 to 30 °, more preferably in the range of 15 to 25 ° and more preferably of 20 °.
  • a light source for a lighting device wherein the light source has fixing sections which are engaged behind by coding projections in the fixing position, a spring being encompassed by fixing sections of the light source in the insertion position such that a rotational movement of the light source in a longitudinal movement of the spring is implemented.
  • This igniter 18 is in particular rotationally fixed to the glass bulb 20 or to the lamp base formed as fixing portions 22 of the light source 16, which in the FIGS. 3b to 6 clearly visible, arranged.
  • the arc generated in the glass bulb 20 of the light source 16 is preferably arranged in the region of a first focal point of the reflector 14.
  • a front light exit opening of the reflector 14 is partially covered by a diaphragm 26.
  • This aperture 26 serves to produce an asymmetrical light pattern.
  • fastening means 28 are further arranged, which hold a projection lens 30 at a defined distance from the reflector 14.
  • An upper edge of the diaphragm 26 is projected by the projection lens 30 during operation of the headlamp 12 on the road ahead of the motor vehicle.
  • Asymmetrical means that the range of the light distribution on the own traffic side (with right traffic on the right road side) is larger than on the opposite traffic side (with right traffic on the left hand side Side of the road).
  • FIG. 2a shows the light module 10 off FIG. 1 in his back view.
  • the fixing portions 22 and the glass bulb 20 of the light source 16 are already in the in the FIGS. 4a to 6 shown opening 24 introduced.
  • the light source 16 is thus in the insertion position.
  • the light source 16 by an angle ⁇ , which extends between a center plane 36 of the light source 16 and a horizontally extending through the reflector 14 center plane 38, rotated.
  • the entire light source is rotated by just this angle ⁇ by 20 ° in the clockwise direction in the direction of the arrow 40.
  • the light source 16 is positioned both in the axial and in the radial direction exactly in the reflector 14, so that the glass bulb 20 or in the glass bulb 20th ignited arc is located in a focal point of the reflector 14.
  • FIG. 3a shows a side view of a reflector 14th with a mounted in the reflector light source 16 in the mounting position.
  • the light source 16 is introduced along a longitudinal axis 42 in the opening 24 of the reflector 14.
  • the fixing portion 22 and the lamp base and the glass bulb 20 disappear in a mounting portion 44 of the reflector 14 and in the opening 24.
  • mounting position shown is arranged between the light source 16 and the reflector 14 designed as a disk-shaped spring element support portion 46 which is part of the reflector.
  • FIG. 3b This trained as a spring element support portion 46 is in FIG. 3b clearly visible.
  • the disc-shaped support portion 46 points in FIG. 3b clearly visible spring tongues 48, which act in the mounting position on the one hand, the igniter 18 of the light source 16, and on the other hand, the mounting portion 44 of the reflector 14.
  • the support portion 46 By the support portion 46, the light source 16 and the reflector 14 are pushed away from each other in the axial direction, or the support portion 46 is acted upon by the spring tongues 48 of the ignitor 18 in the direction of the mounting portion 44 of the reflector 14. This results in a play-free attachment of the light source 16 in the longitudinal direction, ie along the longitudinal axis 42nd
  • Codieraussparungen 54 is located in the FIGS. 4a to 6 illustrated spring element 68th
  • the light source 16 along the arrow 56 in the in the FIGS. 4a and 4b shown opening 24 of the reflector 14 is moved into.
  • On the mounting portion 44 of the reflector 14 of the disk-shaped support portion 46 is rotatably disposed with the spring tongues 48. The rotation is effected by pins 58 of the mounting portion 44, which engage in pin recesses 60 of the support portion 46.
  • On the support portion 46 are 16 corresponding with the Codieraussparungen 54 of the light source Coding projections 62 are provided.
  • the Codieraussparungen 54 and the Codiervorsprünge 62 must overlap.
  • the light source 16 or the glass bulb 20 and the fixing portions 22 of the light source 16 along the arrow 56 are inserted into the reflector 14 and are in the insertion, surrounds the Codieraussparung 64 as in FIG. 5a and FIG. 6 shown an engagement portion 66 of a spring element 68.
  • the Codieraussparung 64 is thus positively connected in the insertion position with the engaging portion 66 of the spring member 68.
  • This spring element 68 is arranged in a guide groove 70, which is provided in the attachment portion 44 of the reflector 14, between the attachment portion 44 and the support portion 46.
  • guide groove 70 extends transversely to the longitudinal axis 42 tangentially to the opening 24. In the illustrated embodiment, the guide groove 70 also extends horizontally.
  • the spring element 68 is arranged so displaceable in the guide groove 70, that upon rotation of the light source 16 to the arrow 40, the spring element 68 is moved into the mounting position from a rest position into a clamping position.
  • the guide groove 70 has two parallel to a tangent plane of the opening extending side surfaces 72,73.
  • the spring element 68 embodied as a bow spring has bow sections 76, 78 connected by a joint section 74.
  • the upper bracket portion 76 rests against the radially outer side surface 72.
  • the lower bracket portion 78 rests against an inclined surface 80, which adjoins the radially inner side surface 73 at an angle of approximately 15 °.
  • the light source 16 is in the insertion position, wherein the bow spring 68 is in the rest position.
  • the spring element 68 is in the rest position in a relaxed state before or it is slightly biased between the radially outer side surface 72 and the inclined surface 80.
  • the spring element 68 can be introduced axially into the guide groove 70 in the guide groove 70 without problems due to the oblique surface 80.
  • the engaging portion 66 of the spring 68 is disposed in the Codieraussparung 64, that is, between two fixing portions 22 of the light source. In the insertion position of the light source 16, that is, when the spring element 68 is in the rest position, the engagement portion 66 extends at least in sections parallel to contact surfaces 82 of the him embracing fixing portions 22 at a distance of about 0.1mm. Due to this parallel course, a slight axial insertion of the light source 16 from a disassembled position into the insertion position can take place.
  • the coding projections 62 have insertion radii 86 at the transition from the coding projections 62 to the clamping sections 84. These Einstoryradien 86 serve to facilitate the insertion of the light source 16.
  • the clamping portions 84 engage behind the fixing portions 22 of the light source 16. They virtually engage in the annular groove 52 and act on the light source 16 in the direction of the reflector 14.
  • the spring tongues 48 of Carrier portion 46 By the spring tongues 48 of Carrier portion 46, the light source 16 and the reflector 14 are pushed away from each other in the axial direction, or the carrier portion 46 is acted upon by the spring tongues 48 of the ignitor 18 in the direction of the mounting portion 44 of the reflector 14.
  • the light source 16 is therefore in the opening 24 in the longitudinal direction, that is attached without play along the longitudinal axis 42.
  • the spring element 68 When turning by the angle ⁇ is like in the FIGS. 5a and 5b can be seen, the spring element 68 by rotating the light source 16 and the igniter 18 positively in the guide groove 70 in the direction of arrow 87 shifted. In this case, the spring element 68 is acted upon by a contact surface 82 of the Codieraussparung 64 forming fixing portions 22.
  • the light source 16 can be rotated until the tip 88 of the spring element 68 abuts against the abutment portion 90 of the guide groove 70.
  • the stop section 90 extends transversely to the two side surfaces 72, 73 of the guide groove 70. The stop section 90 prevents further displacement of the spring element 68 along the arrow 87.
  • the positive coupling of the engagement portion 66 of the spring element 68 with the Codieraussparung 64 of the light source 16 thus also defines a rotation stop of the light source sixteenth
  • FIG. 5b and the FIGS. 2b and 4b shown mounting position is as a bow spring trained spring element 68 in the clamping position.
  • the spring element 68 is deformed against its spring force and acts on the pressure point 92 of the Fixierabitess 22 and the light source 16 in the radial direction opposite to the arrow 94.
  • the light source 16 is therefore arranged in the radial direction against two in the opening 24, flattened and parallel to tangent planes of the Opening 24 extending support surfaces 96 for supporting the light source 16 is applied.
  • the light source 16 is consequently not only fixed axially by the clamping sections 84, which act in the fixing position against the fixing sections 22. In the radial direction, the light source 16 is also determined by the three-point attachment by means of the spring element 68.
  • a secure, backlash-free attachment of the light source 16 in the reflector 14 while compensating for tolerances is possible.

Claims (14)

  1. Dispositif d'éclairage (12) pour un véhicule, notamment phare de véhicule automobile, avec un réflecteur (14) pour concentrer la lumière émise par une source de lumière (16), dans lequel une section de fixation (44) est prévue au niveau d'une face arrière du réflecteur (14) pour la source de lumière (16) avec une ouverture (24) pour la réception d'au moins une partie de la source de lumière (16) et dans lequel une section porteuse (46) avec saillies de codage (62) est prévue au niveau du réflecteur (14) de telle sorte que la source de lumière (16) peut être introduite dans une position d'introduction dans l'ouverture (24) le long d'un axe longitudinal (42) du réflecteur (14) et être déplacée par rotation à la manière d'une baïonnette dans une position de fixation, dans laquelle les saillies de codage (62) viennent en prise derrière des sections de fixation côté source de lumière (22), dans lequel un ressort (68) est prévu qui est précontraint dans la position de fixation dans le sens opposé à la force du ressort de telle sorte que la source de lumière (16) est sollicitée par le ressort (68) dans l'ouverture (24) radialement contre la section de fixation (44), caractérisé en ce que le ressort (68) est agencé dans une rainure de guidage (70) pour le guidage du ressort (68) de telle sorte qu'il peut être déplacé d'une position de repos à une position de serrage.
  2. Dispositif d'éclairage (12) selon la revendication 1, caractérisé en ce que le ressort (68) est prévu de telle sorte qu'il peut être déplacé par rotation de la source de lumière (16) de la position d'introduction dans la position de fixation dans sa position de serrage. (déplacement longitudinal)
  3. Dispositif d'éclairage (12) selon la revendication 1 ou 2, caractérisé en ce que la rainure de guidage (70) est agencée transversalement à l'axe longitudinal (42) en s'étendant tangentiellement à l'ouverture (24).
  4. Dispositif d'éclairage (12) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la rainure de guidage (70) présente transversalement à l'axe longitudinal (42) deux surfaces latérales (72, 73) s'étendant au moins par section parallèlement à un plan tangent de l'ouverture (24).
  5. Dispositif d'éclairage (12) selon la revendication 4, caractérisé en ce que le ressort (68) est réalisé en forme de cintre, dans lequel le ressort (68) présente des sections de cintre (76, 78) reliées par une section articulée (74), dans lequel une section de cintre supérieure (76) s'appuie dans la position de repos contre la surface latérale radialement extérieure (72) et une section de cintre inférieure (78) s'appuie contre une surface oblique (80) s'étendant en oblique par rapport à la surface latérale radialement intérieure (73).
  6. Dispositif d'éclairage (12) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une section d'engagement (66) du ressort (68) est agencée dans la position d'introduction entre des sections de fixation (22) de la source de lumière (16) de telle sorte que le ressort (68) est déplacé dans la position de serrage lors de la rotation de la source de lumière (16) tangentiellement à l'ouverture (24) dans la rainure de guidage (70).
  7. Dispositif d'éclairage (12) selon la revendication 6, caractérisé en ce que la section de fixation (22) sollicitant la section d'engagement (66) lors de la rotation de la source de lumière (16) présente radialement à l'extérieur un point de pression (92) qui se déplace sur une orbite lors de la rotation et agit contre la section de cintre inférieure (78) de telle sorte que la section de cintre inférieure (78) du ressort (68) est précontrainte contre la section de cintre supérieure (76), si bien que la source de lumière (16) est sollicitée contre la section de fixation (44).
  8. Dispositif d'éclairage (12) selon l'une quelconque des revendications 5 à 7, caractérisé en ce que la rainure de guidage (70) présente une section de butée (90) s'étendant transversalement aux deux surfaces latérales (72, 73) de telle sorte que la section de cintre supérieure (76) du ressort (68) est en butée contre la section de butée (90) dans la position de serrage.
  9. Dispositif d'éclairage (12) selon l'une quelconque des revendications 6 à 8, caractérisé en ce que la section d'engagement (66) du ressort (68) s'étend dans la position de repos au moins par section parallèlement aux surfaces d'application (82) des sections de fixation (22).
  10. Dispositif d'éclairage (12) selon la revendication 9, caractérisé en ce que la section d'engagement (66) du ressort s'étend à une distance de 0,01 mm à 0,5 mm par rapport aux surfaces d'application (82), de préférence à une distance de 0,1 mm par rapport aux surfaces d'application (82).
  11. Dispositif d'éclairage (12) selon l'une quelconque des revendications précédentes, caractérisé en ce que la section de fixation (44) présente dans l'ouverture (24) deux surfaces d'appui (96) aplaties, s'étendant parallèlement aux plans tangents de l'ouverture (24) de telle sorte que la source de lumière (16) s'appuie contre les surfaces d'appui (96) dans la position de fixation.
  12. Dispositif d'éclairage (12) selon l'une quelconque des revendications précédentes, caractérisé en ce que des éléments formant ressort (48) sont agencés au niveau de la section porteuse (46) de telle sorte que les éléments formant ressort (48) sollicitent la section porteuse (46) ou la source de lumière (16) axialement dans la direction du réflecteur (14).
  13. Source de lumière (16) pour un dispositif d'éclairage (12) selon l'une quelconque des revendications précédentes, caractérisée en ce que la source de lumière (16) présente des sections de fixation (22), qui sont prises par l'arrière dans la position de fixation par des saillies de codage (62), dans laquelle un ressort (68) est entouré de sections de fixation de la source de lumière (16) dans la position d'introduction de telle sorte qu'un mouvement de rotation de la source de lumière (16) est converti en un déplacement longitudinal du ressort (68).
  14. Réflecteur (14) pour un dispositif d'éclairage (12) selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'une section de fixation (44) est prévue au niveau de la face arrière du réflecteur (14) pour une source de lumière (16) avec une ouverture (24) pour la réception d'au moins une partie de la source de lumière (16), dans lequel une section porteuse (46) avec saillies de codage (62) est prévue au niveau du réflecteur (14) et dans lequel un ressort (68) peut être agencé dans une rainure de guidage (70) de la section de fixation (44) pour le guidage du ressort (68) de telle sorte que le ressort (68) peut être déplacé entre une position de repos et une position de serrage.
EP13166166.2A 2012-06-08 2013-05-02 Dispositif d'éclairage pour un véhicule, notamment phare de véhicule automobile Not-in-force EP2672169B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012209666A DE102012209666A1 (de) 2012-06-08 2012-06-08 Beleuchtungseinrichtung für ein Fahrzeug, insbesondere Kraftfahrzeugscheinwerfer

Publications (3)

Publication Number Publication Date
EP2672169A2 EP2672169A2 (fr) 2013-12-11
EP2672169A3 EP2672169A3 (fr) 2015-01-21
EP2672169B1 true EP2672169B1 (fr) 2016-07-13

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EP13166166.2A Not-in-force EP2672169B1 (fr) 2012-06-08 2013-05-02 Dispositif d'éclairage pour un véhicule, notamment phare de véhicule automobile

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EP (1) EP2672169B1 (fr)
CN (1) CN103486551B (fr)
DE (1) DE102012209666A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4436409C1 (de) * 1994-10-12 1995-12-07 Hella Kg Hueck & Co Halterung einer Lampe in einer Öffnung eines Reflektors eines Fahrzeug-Scheinwerfers
US5855430A (en) * 1997-02-21 1999-01-05 Osram Sylvania Inc. Vehicle headlamp assembly
DE102007022028B4 (de) 2007-05-11 2016-10-20 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Fahrzeug, insbesondere Kraftfahrzeugscheinwerfer
DE102008020001A1 (de) * 2008-04-21 2009-10-22 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Fahrzeug
DE102009031410A1 (de) * 2009-07-02 2011-01-05 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Kraftfahrzeug
DE102009032461A1 (de) 2009-07-09 2011-01-13 Automotive Lighting Reutlingen Gmbh Vorrichtung zur Befestigung einer Lampe in einer Beleuchtungseinrichtung eines Kraftfahrzeugs
EP2363635B1 (fr) * 2010-03-04 2016-02-10 Hella KGaA Hueck & Co. Prise de lampe pour phare
DE102010011082A1 (de) * 2010-03-12 2011-09-15 Automotive Lighting Reutlingen Gmbh Zur Befestigung einer Gasentladungslampe mit separatem Zündgerät eingerichteter Kraftfahrzeugscheinwerfer
AT513723B1 (de) * 2012-12-10 2014-09-15 Zizala Lichtsysteme Gmbh Vorrichtung zum Festlegen einer Lampe
AT513724B1 (de) * 2012-12-10 2014-09-15 Zizala Lichtsysteme Gmbh Vorrichtung zum Festlegen einer Lampe

Also Published As

Publication number Publication date
DE102012209666A1 (de) 2013-12-12
CN103486551B (zh) 2017-12-08
EP2672169A2 (fr) 2013-12-11
EP2672169A3 (fr) 2015-01-21
CN103486551A (zh) 2014-01-01

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