EP1048893B1 - Feu pour véhicule - Google Patents

Feu pour véhicule Download PDF

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Publication number
EP1048893B1
EP1048893B1 EP00107830A EP00107830A EP1048893B1 EP 1048893 B1 EP1048893 B1 EP 1048893B1 EP 00107830 A EP00107830 A EP 00107830A EP 00107830 A EP00107830 A EP 00107830A EP 1048893 B1 EP1048893 B1 EP 1048893B1
Authority
EP
European Patent Office
Prior art keywords
light guide
light
lamp according
elements
face
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.)
Expired - Lifetime
Application number
EP00107830A
Other languages
German (de)
English (en)
Other versions
EP1048893A2 (fr
EP1048893A3 (fr
Inventor
Heinz Machura
Achim Schulte
Heinz-Albert Püttmann
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
Publication of EP1048893A2 publication Critical patent/EP1048893A2/fr
Publication of EP1048893A3 publication Critical patent/EP1048893A3/fr
Application granted granted Critical
Publication of EP1048893B1 publication Critical patent/EP1048893B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/249—Light guides with two or more light sources being coupled into the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—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
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/236—Light guides characterised by the shape of the light guide
    • F21S43/237—Light guides characterised by the shape of the light guide rod-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/235—Light guides
    • F21S43/242—Light guides characterised by the emission area
    • F21S43/245—Light guides characterised by the emission area emitting light from one or more of its major surfaces

Definitions

  • the invention relates to a luminaire for vehicles, in particular tail lamp, with at least one elongated light guide element having a first end face at a first end and a second end face at a second end facing away from the first end, wherein at least one of the end faces is designed as a light coupling surface, and with a base of a housing on which the light-guiding element can be fastened.
  • a light for vehicles, especially rear light for vehicles which has four adjacent elongate light-guiding elements.
  • the light-guiding elements are arranged on a base part of a housing. At their underside facing the base, the light-guiding elements have reflection optics.
  • One of the opposite end faces is formed as a light coupling surface via the light of an arranged on a printed circuit board adjacent light emitting diode (LED) coupled and coupled on the underside facing away from the upper side transversely to the longitudinal direction of the light guide.
  • Upstream of the top is a translucent, the taillight covering lens arranged.
  • a disadvantage of the known lamp is that various fastening elements are necessary for positioning the light guide, whereby the assembly is relatively complicated and expensive.
  • Object of the present invention is therefore to improve the known lamp so that their assembly can be performed easier and cheaper.
  • a first fastening element is designed as a latching hook arranged on an underside of the light-guiding element having a reflection optic, and a second fastening element opposite the first fastening element is designed as an abutment, so that the light-guiding element can be connected to the base in a latching manner.
  • the fastening elements as latching hooks and counter-bearings, it is possible to use the light-guiding element in corresponding receptacles of the base part self-locking and thus fast, easy and safe.
  • the second fastening element merges into a separable rod casting laterally offset from the adjacent end face.
  • sprue Due to the laterally offset sprue can be dispensed with a previously common arranged centrally on the end gate, so that after removal of the casting, a subsequent polishing of the end face deleted. By a slight inclination of the faces, these can be highly polished, demoulded dimensionally stable.
  • the sprue can be used as a fastener.
  • a plurality of light-guiding elements are arranged on the base part.
  • the Light guide elements are connected to each other via common fasteners and form a light unit, which is designed as a molded part.
  • the light-guiding elements extend in the horizontal direction equidistant to the light-disk contour of a light disk arranged upstream in the emission direction and are curved in accordance with the light-disk contour. In the vertical direction, the light guide elements are staggered arranged.
  • the Befest onlyselemte an integrated circuit board receptacle for the direct positioning of arranged on a circuit board LEDs on.
  • the LEDs arranged on a printed circuit board can be easily and safely positioned with respect to the light-guiding elements.
  • the same circuit boards can be used.
  • the light unit can be completely mounted in the housing of the lamp or on the base.
  • the light-guiding elements can be fastened to the base by ultrasonic welding.
  • a luminaire consists essentially of a housing 1 and a light guide 2.
  • the housing 1 has a base 4 on its rear side 3 facing a vehicle body (not shown). On its front side 5 facing away from the back 3, the base part 4 is preceded by a translucent lens 6
  • the light-guiding element 2 is designed as an elongated rod 7, whose first end face 9 arranged transversely to its longitudinal axis 8 and opposite second end face 10 are designed as light-coupling surfaces 11.
  • the first end face 9 is arranged at a first end 12 and the second end face 10 is arranged at a second end 13 of the light-guiding element 2 or bar 7.
  • the light guide 2 has a reflection lens 15, the light coupled via the light coupling surfaces 11 light from the light input surfaces 11 upstream LEDs (LED's) 16 over a plurality of reflective surfaces and transverse to the longitudinal axis 8 via one of the bottom 14th opposite radiating surface 17 of the rod 7 radiates in the front side 5 of the housing 1 facing emission direction.
  • LED's upstream LEDs
  • a first fastening element 18 is laterally adjacent to the first end face 9 and a second fastening element 19 is arranged laterally adjacent to the second end face 10.
  • the first fastening element 18 is designed as a latching hook 20 arranged on the underside 14 and the second fastening element 19 as an opposing bearing 21 acting in the direction of the longitudinal axis 8.
  • the light guide 2 via the fasteners 18, 19 connected to the base 4.
  • the second fastening element 19 is offset laterally to the adjacent second end face in a rod gate 24, which is separated after spraying the light-guiding element, ie before assembly, to the intended length of the second fastening element 19.
  • the assembly of the light guide 2 is effected by a one-sided insertion of the second fastening element 19 in the arranged on the base part 4 second receptacle 23 and subsequent pivoting to the detent point, the latch hook 20 engages in the first receptacle 22 of the base 4. After covering the base 4 with the lens 6, the light can be screwed at the intended location.
  • a housing 1 'on four adjacent light guide elements 2' which are connected to each other via common fastening elements 18 ', 19' and form a light unit 25 which is formed as a molded part.
  • the light guide elements 2 ' are in the horizontal direction Equidistant to the lens 6 'and arranged to the curved lens shape on the base 4'. In the vertical direction, the light guide elements 2 'staggered on the base 4' are arranged.
  • the fastening elements 18 ', 19' have an integrated circuit board receptacle 26.
  • the printed circuit board receptacle 26 is bounded in each case by an inner wall 27 towards the adjacent end faces 9 ', 10'.
  • a parallel outer wall 28 is arranged at a distance from the inner wall 27, a parallel outer wall 28 is arranged.
  • Inner wall 27 and outer wall 28 are connected to each other via two opposite end walls 29.
  • the end walls 29 have receiving grooves for receiving printed circuit boards 30.
  • LEDs 31 are arranged, which are the respective adjacent end faces 9 ', 10' upstream and whose light is coupled into the light guide 2 '.
  • the light unit 25 is arranged complete with printed circuit boards 30 and arranged thereon light emitting diodes 31 on the base 4 'and connected thereto by ultrasonic welding.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Planar Illumination Modules (AREA)

Claims (10)

  1. Feu pour véhicules, en particulier feu arrière, comportant au moins un élément de guide de lumière (2) allongé, qui présente à une première extrémité (12) une première face frontale (9) et à une deuxième extrémité (13) détournée de la première extrémité une deuxième face frontale (10), au moins une des faces frontales (9. 10) étant réalisée sous forme de surface de couplage de lumière (11), et comportant une partie de base (4) d'un boîtier (1) sur laquelle peut être fixé l'élément de guide de lumière, caractérisé en ce que l'élément de guide de lumière (2, 2') présente à ses extrémités (12, 13) des éléments de fixation (18, 18', 19, 19') moulés, voisins latéralement aux faces frontales (9, 9', 10, 10').
  2. Feu selon la revendication 1, caractérisé en ce qu'un premier élément de fixation (18) est réalisé sous forme de crochet d'enclenchement (20) agencé sur une face inférieure (14) présentant une optique de réflexion (15), de l'élément de guide de lumière (2), et un deuxième élément de fixation (19) opposé au premier élément de fixation (18) est réalisé sous forme de contrebutée (21), de sorte que l'élément de guide de lumière (2) peut être relié en s'enclenchant avec la partie de base (4).
  3. Feu selon la revendication 2, caractérisé en ce que le deuxième élément de fixation (19) se transforme en une tige surmoulée (24) séparable, décalée latéralement par rapport à la face frontale (10) voisine.
  4. Feu selon l'une des revendications 1 à 3, caractérisé en ce qu'une multitude d'éléments de guide de lumière (2') sont agencés les uns à côté des autres sur la partie de base (4').
  5. Feu selon la revendication 4, caractérisé en ce que les éléments de guide de lumière (2') sont reliés les uns aux autres par des éléments de fixation (18', 19') communs et forment une unité de lumière (25) qui est réalisée sous forme d'une pièce moulée par injection.
  6. Feu selon la revendication 5, caractérisé en ce que les éléments de guide de lumière (2') s'étendent en direction horizontale de manière équidistante au contour de plaque d'éclairement d'une plaque d'éclairement (6') montée en amont en direction de diffusion.
  7. Feu selon la revendication 6, caractérisé en ce que les éléments de guide de lumière (2') sont réalisés courbes en direction horizontale.
  8. Feu selon l'une des revendications 4 à 7, caractérisé en ce que les éléments de guide de lumière (2') sont agencés en décalage et en gradins en direction verticale.
  9. Feu selon l'une des revendications 5 à 8, caractérisé en ce que les éléments de fixation (18', 19') présentent un logement de carte à circuits imprimés (26) intégré pour positionner directement des diodes luminescentes (3 1) agencées sur une carte à circuits imprimés (30).
  10. Feu selon l'une des revendications 5 à 9, caractérisé en ce que les éléments de guide de lumière (2') peuvent être fixés sur la partie de base (4') par soudage aux ultrasons.
EP00107830A 1999-04-28 2000-04-12 Feu pour véhicule Expired - Lifetime EP1048893B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19919296A DE19919296A1 (de) 1999-04-28 1999-04-28 Leuchte für Fahrzeuge
DE19919296 1999-04-28

Publications (3)

Publication Number Publication Date
EP1048893A2 EP1048893A2 (fr) 2000-11-02
EP1048893A3 EP1048893A3 (fr) 2002-04-24
EP1048893B1 true EP1048893B1 (fr) 2006-05-17

Family

ID=7906151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107830A Expired - Lifetime EP1048893B1 (fr) 1999-04-28 2000-04-12 Feu pour véhicule

Country Status (3)

Country Link
EP (1) EP1048893B1 (fr)
DE (2) DE19919296A1 (fr)
ES (1) ES2262465T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10359182A1 (de) * 2003-12-17 2005-07-21 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
FR2914731B1 (fr) * 2007-04-06 2010-07-30 Valeo Vision Dispositif lumineux de signalisation susceptible d'emettre independamment deux faisceaux de signalisation de meme intensite et de luminances differentes
FR2942021B1 (fr) 2009-02-06 2012-08-17 Peugeot Citroen Automobiles Sa Feu pour vehicule avec systeme entretoise pour guide de lumiere
US8333493B2 (en) 2009-04-03 2012-12-18 North American Lighting, Inc. Dual-direction light pipe for automotive lighting
DE102009060790A1 (de) * 2009-12-22 2011-06-30 Automotive Lighting Reutlingen GmbH, 72762 Lichtmodul für eine Beleuchtungseinrichtung eines Kraftfahrzeugs sowie Beleuchtungseinrichtung eines Kraftfahrzeugs mit einem solchen Lichtmodul
FR2965040B1 (fr) * 2010-09-20 2015-12-18 Peugeot Citroen Automobiles Sa Dispositif lumineux a guides de lumiere, pour un bloc optique de vehicule, et masque et boitier associes
FR2970319B1 (fr) * 2011-01-10 2012-12-28 Peugeot Citroen Automobiles Sa Dispositif lumineux a guide de lumiere a moyen de fixation reflechissant la lumiere vers le bas, et support associe
DE102011051045B4 (de) 2011-06-14 2020-12-17 HELLA GmbH & Co. KGaA Lichtleitmodul und Leuchte für Fahrzeuge
JP6048749B2 (ja) 2013-04-24 2016-12-21 本田技研工業株式会社 車両用灯火装置
JP5571828B2 (ja) * 2013-06-24 2014-08-13 株式会社小糸製作所 車両用灯具
FR3044385B1 (fr) * 2015-11-26 2020-10-02 Valeo Vision Belgique Dispositif d'eclairage et/ou de signalisation pour vehicule automobile
DE102020202111A1 (de) 2020-02-19 2021-08-19 Volkswagen Aktiengesellschaft Beleuchtungseinrichtung für ein Fahrzeug und Fahrzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129094B4 (de) * 1991-09-02 2005-08-25 Hella Kgaa Hueck & Co. Signalleuchte mit Leuchtdioden als Lichtquelle für Kraftfahrzeuge und deren Verwendung für unterschiedliche Signalleuchtenfunktionen
US5347435A (en) * 1992-12-22 1994-09-13 Hughes Aircraft Company Linear lamp holographic trapped beam center high mounted stoplight
US5610472A (en) * 1994-10-25 1997-03-11 Osram Sylvania Inc. Lamp assembly with resilient connector for locating and cushioning neon lamp
JP3544010B2 (ja) * 1994-10-25 2004-07-21 本田技研工業株式会社 車両用灯火器
DE29716013U1 (de) * 1997-09-06 1997-10-23 Hella Kg Hueck & Co Beleuchtungseinrichtung
DE29804489U1 (de) * 1998-03-13 1998-05-20 Reitter & Schefenacker GmbH & Co. KG, 73730 Esslingen Außenrückblickspiegel für Fahrzeuge, vorzugsweise für Kraftfahrzeuge
DE29807774U1 (de) * 1998-04-30 1998-07-16 Hella Kg Hueck & Co, 59557 Lippstadt Leuchte für Fahrzeuge, insbesondere Heckleuchte für Fahrzeuge

Also Published As

Publication number Publication date
ES2262465T3 (es) 2006-12-01
DE19919296A1 (de) 2000-12-21
EP1048893A2 (fr) 2000-11-02
DE50012749D1 (de) 2006-06-22
EP1048893A3 (fr) 2002-04-24

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