EP2273186A2 - Système de phares doté d'une fonction de découplage de lumière - Google Patents

Système de phares doté d'une fonction de découplage de lumière Download PDF

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Publication number
EP2273186A2
EP2273186A2 EP10167396A EP10167396A EP2273186A2 EP 2273186 A2 EP2273186 A2 EP 2273186A2 EP 10167396 A EP10167396 A EP 10167396A EP 10167396 A EP10167396 A EP 10167396A EP 2273186 A2 EP2273186 A2 EP 2273186A2
Authority
EP
European Patent Office
Prior art keywords
light
function
reflector
headlamp system
light source
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
EP10167396A
Other languages
German (de)
English (en)
Other versions
EP2273186B1 (fr
EP2273186A3 (fr
Inventor
Berend Wegner
Mathias Thamm
Michael Müller
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP2273186A2 publication Critical patent/EP2273186A2/fr
Publication of EP2273186A3 publication Critical patent/EP2273186A3/fr
Application granted granted Critical
Publication of EP2273186B1 publication Critical patent/EP2273186B1/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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/689—Flaps, i.e. screens pivoting around one of their edges
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • 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
    • F21S43/243—Light guides characterised by the emission area emitting light from one or more of its extremities
    • 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
    • F21S43/247—Light guides with a single light source 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
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
    • F21S43/31—Optical layout thereof
    • 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
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/10—Position lights

Definitions

  • the present invention relates to a headlamp system for a vehicle having a light source, an opening through which the light emitted by the light source passes to provide a first light function, and a first device, by means of which at least a part of the light emitted by the light source to provide a second light function can be deflected and decoupled.
  • the DE 10 2005 023 817 A1 describes, for example, a vehicle headlamp with a light source whose light emission can be used for two light functions.
  • a pivotable mirror is brought into the main emission direction for the first light function. This mirror can deflect the light of the first light function partly so that the light is coupled into a light guide and coupled out at any location as a second light function.
  • the DE 100 03 061 A1 describes a lighting system for motor vehicles with a daytime signal light function, wherein a headlamp is used with only one discharge lamp, a reflector and a lying in the main emission adjustable diaphragm.
  • the DE 195 26 023 A1 describes a headlamp for generating defined light / dark boundaries for asymmetrical low beam, with apertures and reflectors be used. Furthermore, the document describes possibilities for using further light functions when using only one light source.
  • the headlamp system according to the invention is characterized by a second device, with which the opening for the first light function is optically closed, wherein the light emitted from the light source and incident on the second device light can not be coupled out to provide the second light function.
  • the second device is provided in particular separately from the first device.
  • the headlamp system according to the invention can be adapted very flexibly to different space conditions, since the first means for deflecting and decoupling the light for the second light function can be formed and arranged independently of the second means for closing the opening for the first light function.
  • a plurality of light functions can be provided more flexibly. Namely, if, as in the introductory cited prior art, closed by a device at the same time the beam path for a light function and coupled out light for another light function, both light functions can not be operated together. However, if, as in the headlight system according to the invention, the beam path for the one light function can be closed or opened independently of the light extraction for the other light function, both light functions can be operated both separately and together.
  • the second device comprises a pivotable or displaceable diaphragm.
  • the selection of the installation space can be chosen flexibly by this design, since the aperture can be moved from different sides in front of the opening.
  • the first device comprises at least one reflector.
  • the reflector for the light outcoupling of the light emission of the light source for the second light function is pivotable or displaceable, wherein light emitted by the light source is reflected by the reflector in a first position and the reflector is not in the beam path in a second position the light emitted by the light source is located.
  • the reflector does not influence the first light function in the second position, while the reflector in the first position can purposefully decouple the light.
  • At least one further reflector is provided for deflecting the decoupled light.
  • the light can be passed around constructions in this way, in order ultimately to be radiated at a desired location.
  • the first device may comprise at least one light guide.
  • the coupled-out light can be conducted in a very simple and flexible manner over installation spaces which are difficult to access and greater distances.
  • the light guide can be split in light extraction direction, so as to couple out the light for the second light function at a plurality of locations.
  • the light for the second light function can thereby be provided flexibly at several locations.
  • the first light function of the headlight system may be a dipped beam and / or a high beam
  • the second light function a daytime running light and / or a position light.
  • multiple light functions can thus be provided flexibly.
  • the dipped beam can be used in particular alternately with the daytime running lights, the position light also in addition z. B. can be used for dipped beam.
  • Another advantage of the headlamp system according to the invention is that all light functions have the same light color, since only a single or a common light source is used for the different light functions.
  • the different embodiments of the headlamp system which has a light source, a first device for a light function and a second device for a different light function, will now be described in more detail.
  • the Fig. 1 to 4 show headlight systems 101, 201, 301, 401, which differ in the type of light extraction for a second light function and are otherwise similar with respect to the first light function.
  • the similarities of the headlamp systems 101, 201, 301, 401 will be explained.
  • the different embodiments are considered in order to explain their particularities with respect to the light extraction 118, 218, 318, 418, 119, 219, 319, 419, 220 for the second light function in more detail.
  • a light source 102, 202, 302, 402 emits light directly or by means of a main reflector 104, 204, 304, 404 in the light emission direction 103, 203, 303, 403 through an opening 109, 209, 309, 409 for a first light function in its surroundings ,
  • a second device may optically close the opening 109, 209, 309, 409 for the first light function.
  • the second device is a shutter 108, 208, 308, 408.
  • the first light function is provided when the shutter 108, 208, 308, 408 does not optically close the opening for the first light function.
  • the first light function can no longer be provided if the aperture 108, 208, 308, 408 optically closes the opening for the first light function.
  • the apertures 108, 208, 308, 408 are respectively pivoted about the axes 110, 111, 210, 211, 310, 311, 410, 411 for opening and closing.
  • a first device is provided by means of which at least part of the light emitted by the light source 102, 202, 302, 402 can be deflected and coupled out to provide a second light function.
  • the light emitted by the light source 102, 202, 302, 402 and incident on the second device 108, 208, 308, 408 can not be coupled out to provide the second light function.
  • the second device 108, 208, 308, 408 is designed so that the light incident on it is absorbed.
  • the light incident on the second device 108, 208, 308, 408 could be reflected in a direction in which a coupling-out for the second light function is not possible.
  • the Fig. 2 shows a second embodiment of a headlamp system 201 having two light guides 212, 216 arranged one behind the other.
  • the light guide 212 has, like the light guide 112 of the first embodiment, an area for light coupling 205, through which light from the interior of the headlight 221 for the second light function can be coupled , This decoupled light from the interior of the headlight 221 is passed in the direction of arrow 218 through the light guide.
  • the first optical fiber 212 is connected to the second optical fiber 216 through the optical fiber coupler 215.
  • the light guide 216 itself consists of a plurality of optical fiber wires. These individual optical fiber cores can continue to run in different directions at the locations 217 shown and even branch off at the locations 217 shown. The light originally decoupled in the direction of the arrow 218 can thus coupled out at different locations to provide the second light function.
  • the Fig. 3 shows a third embodiment of a headlight system 301, wherein the light extraction for the second light function via reflectors 313, 314 takes place.
  • the reflector 313 for the light extraction of the light emission of the light source 302 for the second light function is pivotable or displaceable, wherein in a first position of the light source 302 emitted light from the reflector 313 is reflected and the reflector 313 in a second position not in the beam path of the is located from the light source 302 emitted light. If the reflector 313 thus the in Fig. 3 shown first position, light is coupled out of the headlight interior 321 via the reflector surface 306 of the first reflector 313 and directed to the reflector surface 307 of a second reflector 314. From there, the light is reflected in the direction of the arrow 319 and can thus provide the second light function. If necessary, other reflectors, not shown, can be used.
  • the Fig. 4 shows a fourth embodiment of a headlight system 401, wherein the light extraction for the second light function via a further possible arrangement of the reflectors 413, 414 takes place.
  • the description of Fig. 4 thus corresponds to that of Fig. 3 with the correspondingly changed reference numerals.
  • the light emission reflector 413 of the light source 402 for the second light function is pivotable or displaceable, wherein light emitted by the light source 402 is reflected by the reflector 413 in a first position and the reflector 413 is not in the beam path of the second is located from the light source 402 emitted light.
  • the reflector 413 thus assumes the first position, light is coupled out of the headlight interior 421 via the reflector surface 406 of the first reflector 413 and directed to the reflector surface 407 of the second reflector 414. From there, the light is reflected in the direction of the arrow 419 and can provide the second light function. If necessary, other reflectors, not shown, can also be used in this embodiment.
  • the panels 108, 208, 308, 408 are pivotally mounted about their respective pivot axes 110, 210, 310, 410, 111, 211, 311, 411 for opening and closing the opening.
  • the bezels need not necessarily be rotatable or pivotable, but may be slidable to provide the same function.
  • the reflectors 313, 413 are rotatably shown for switching on and off.
  • the reflectors 313, 413 need not necessarily be rotatable or pivotable, but may be slidable to provide the same function.
  • a dipped beam or high beam can be provided as the first light function.
  • the second light function can, for. B. be a daytime running light or position light.
  • the use of only one light source 102, 202, 302, 402 causes in operation that the first and the second light function always have the same light color.
  • the low beam and the daytime running lights can not be operated at the same time.
  • the same can be provided for the combination of long-distance and daytime running lights, which is why only the combination of low beam and daytime running lights is explained in more detail here.
  • the aperture 108, 208, 308, 408 is opened, so that light for the first light function, d. H. the low beam through which opening 109, 209, 309, 409 can pass. Furthermore, no light for the second light function, the daytime running light, is coupled out by the first device 112, 212, 313, 413. To turn off the low beam and turn on the daytime running light, the aperture 108, 208, 308, 408 is closed, so that no more light for the first light function, d. H. the low beam through which opening 109, 209, 309, 409 can pass. At the same time, however, light is coupled out by means of the first device 112, 212, 313, 413 for the second light function, the daytime running light.
  • the aperture 108, 208, 308, 408 is opened.
  • the first device 112, 212, 313, 413 decouples light for the second light function, the position light.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP10167396.0A 2009-07-03 2010-06-25 Système de phares doté d'une fonction de découplage de lumière Active EP2273186B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009033062A DE102009033062A1 (de) 2009-07-03 2009-07-03 Scheinwerfersystem mit Lichtauskoppelfunktion

Publications (3)

Publication Number Publication Date
EP2273186A2 true EP2273186A2 (fr) 2011-01-12
EP2273186A3 EP2273186A3 (fr) 2012-05-30
EP2273186B1 EP2273186B1 (fr) 2016-11-09

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Family Applications (1)

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EP10167396.0A Active EP2273186B1 (fr) 2009-07-03 2010-06-25 Système de phares doté d'une fonction de découplage de lumière

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EP (1) EP2273186B1 (fr)
DE (1) DE102009033062A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2597357A1 (fr) * 2011-11-24 2013-05-29 Valeo Vision Elément opaque et mobile empechant une focalisation des rayons solaires dans un projecteur
FR3021606A1 (fr) * 2014-06-03 2015-12-04 Peugeot Citroen Automobiles Sa Dispositif d'eclairage a lentille mobile pour vehicule automobile
FR3022323A1 (fr) * 2014-06-16 2015-12-18 Valeo Vision Module d'eclairage et/ou de signalisation rotatif
FR3022322A1 (fr) * 2014-06-16 2015-12-18 Valeo Vision Module d'eclairage et/ou de signalisation rotatif

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015105115U1 (de) * 2015-09-28 2016-12-30 SMR Patents S.à.r.l. Leuchteinheit und Rückblickspiegel für Fahrzeuge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19526023A1 (de) 1995-07-17 1997-01-23 Daimler Benz Ag Scheinwerfer
DE10003061A1 (de) 1999-01-26 2000-07-27 Valeo Vision Beleuchtungssystem für Kraftfahrzeuge mit einer Tagessignallichtfunktion
DE102005023817A1 (de) 2005-05-24 2006-11-30 Bayerische Motoren Werke Ag Fahrzeugscheinwerfer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107900A1 (fr) * 1982-09-21 1984-05-09 Blazer International Corp. Lampe comprenant des lamelles à commande automatique
US5077649A (en) * 1990-03-30 1991-12-31 Ozzie Jackel Headlight adjusters/shutters
JP4070880B2 (ja) * 1998-06-12 2008-04-02 本田技研工業株式会社 自動二輪車用前照灯
DE19860669B4 (de) * 1998-12-29 2007-08-23 Automotive Lighting Reutlingen Gmbh Fahrzeugscheinwerfer nach dem Projektionsprinzip
JP3779173B2 (ja) * 2001-04-24 2006-05-24 株式会社小糸製作所 車両用前照灯
DE102004003402A1 (de) * 2004-01-23 2005-08-11 Bayerische Motoren Werke Ag Fahrzeugscheinwerfer
FR2915556B1 (fr) * 2007-04-25 2009-07-17 Valeo Vision Sa Projecteur de vehicule automobile comportant un module optique muni d'un masque mobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19526023A1 (de) 1995-07-17 1997-01-23 Daimler Benz Ag Scheinwerfer
DE10003061A1 (de) 1999-01-26 2000-07-27 Valeo Vision Beleuchtungssystem für Kraftfahrzeuge mit einer Tagessignallichtfunktion
DE102005023817A1 (de) 2005-05-24 2006-11-30 Bayerische Motoren Werke Ag Fahrzeugscheinwerfer

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2597357A1 (fr) * 2011-11-24 2013-05-29 Valeo Vision Elément opaque et mobile empechant une focalisation des rayons solaires dans un projecteur
FR2983279A1 (fr) * 2011-11-24 2013-05-31 Valeo Vision Element opaque et mobile empechant une focalisation des rayons solaires dans un projecteur
US9033560B2 (en) 2011-11-24 2015-05-19 Valeo Vision Opaque and movable element preventing solar rays from focusing in a headlamp
FR3021606A1 (fr) * 2014-06-03 2015-12-04 Peugeot Citroen Automobiles Sa Dispositif d'eclairage a lentille mobile pour vehicule automobile
WO2015185821A1 (fr) * 2014-06-03 2015-12-10 Peugeot Citroen Automobiles Sa Dispositif d'eclairage a lentille mobile pour vehicule automobile
FR3022323A1 (fr) * 2014-06-16 2015-12-18 Valeo Vision Module d'eclairage et/ou de signalisation rotatif
FR3022322A1 (fr) * 2014-06-16 2015-12-18 Valeo Vision Module d'eclairage et/ou de signalisation rotatif
EP2957821A1 (fr) * 2014-06-16 2015-12-23 Valeo Vision Module d'éclairage et /ou de signalisation rotatif

Also Published As

Publication number Publication date
EP2273186B1 (fr) 2016-11-09
EP2273186A3 (fr) 2012-05-30
DE102009033062A1 (de) 2011-01-05

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