EP3821169B1 - Light module integrated into a headlight of a vehicle - Google Patents

Light module integrated into a headlight of a vehicle Download PDF

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Publication number
EP3821169B1
EP3821169B1 EP19746117.1A EP19746117A EP3821169B1 EP 3821169 B1 EP3821169 B1 EP 3821169B1 EP 19746117 A EP19746117 A EP 19746117A EP 3821169 B1 EP3821169 B1 EP 3821169B1
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EP
European Patent Office
Prior art keywords
light
light module
insertion section
guide
light guides
Prior art date
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Active
Application number
EP19746117.1A
Other languages
German (de)
French (fr)
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EP3821169A1 (en
Inventor
Rodolphe Peron
Stephane Simandre
Guillaume Royer
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.)
PSA Automobiles SA
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PSA Automobiles SA
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Publication date
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Publication of EP3821169A1 publication Critical patent/EP3821169A1/en
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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
    • F21S43/10—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
    • F21S43/20—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
    • F21S43/243—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
    • F21S43/27—Attachment thereof

Definitions

  • the invention relates, in general, to lighting and signaling devices installed in motor vehicles.
  • the invention relates more particularly to a light module comprising a support system arranged at the level of the headlights of a vehicle, so as to house and position light devices such as light guides.
  • a vehicle headlamp comprises one or more light devices preferably installed integrally in the headlamp.
  • the light devices comprise at least one light guide configured to diffuse light generated by a light source such as a light-emitting diode (abbreviated as "DEL” in French, or designated “LED” from English “Light-Emitting Diode”).
  • a light source such as a light-emitting diode (abbreviated as "DEL” in French, or designated “LED” from English “Light-Emitting Diode”).
  • DEL light-emitting diode
  • LED light-emitting diode
  • the light device is intended to be part of a projector ("optical unit" in the document FR2965040 ) of a motor vehicle and comprises several elongated light guides, an end part, a support and fixing means.
  • the fixing means are respectively formed on the end part, on the support and on the headlight, so that the fixing means formed on the end part and on the support cooperate respectively with the corresponding fixing means of the headlight.
  • the means of fixing the part end are arranged to guide the light coming from said end part in order to diffuse it outwards.
  • the invention aims to solve the above drawbacks by proposing a light module making it possible to improve, compared to this state of the art, the positioning as well as the anti-vibration fixing of the light guides or other devices also housed in the vehicle headlight.
  • the present invention relates to a light module according to claim 1.
  • This light module intended to be installed in a headlamp of a vehicle, comprising at least one light guide each having a first and a second end, and a support system comprising a support.
  • the support system includes a first attachment means and a second attachment means.
  • the first attachment means comprises a first insertion section arranged on the support and a clipping means, the clipping means comprising at least one clip configured to hold a first end of the at least one light guide inserted in the first insert section.
  • the second fastening means comprises a second insertion section arranged on the support and at least one hooking tooth, the at least one hooking tooth being formed at the second end and being configured to hold a second end of the at least one light guide inserted into the second insertion section.
  • the invention thus makes it possible to guarantee correct positioning of the light devices all assembled to the support system installed at the level of the headlamp, and to ensure that this positioning is not impacted by vibrations produced during a vehicle journey.
  • the support system comprises guide positioning means defined on the support, the guide positioning means comprising at least one gutter, the hollow of which has a shape complementary to that of the at least one light guide.
  • the at least one gutter comprises a reflector formed on an internal wall of the hollow.
  • the second insertion section comprises at least one shaft having a shoulder formed on the internal surface of the at least one shaft, the shape of the internal surface of the at least one barrel is complementary to that of the at least one gripping tooth.
  • the at least one light guide comprises a plurality of light guides, the number of clips of the clipping means being less than that of light guides.
  • the light module comprises a radiator housed in a housing arranged on the rear face of the first insertion section.
  • the light module comprises a light module fixing means configured to fix the light module housed in a housing of the projector.
  • the light module attachment means comprises at least one attachment lug configured to attach the light module to at least one contact point or face located inside the housing of the headlight.
  • the invention also relates to a vehicle comprising a light module installed at the headlamp, as briefly described above.
  • the figure 1 shows a schematic perspective view of a vehicle headlight and a light module 1 installed in said headlight.
  • the light module 1 comprises at least one light device and a support system 2.
  • the light module 1 further comprises at least one thermal device, also referred to as a radiator.
  • the at least one light device includes at least one light guide.
  • the support system 2 is configured to precisely position and fix the at least one light guide 11a, 11b, 11c.
  • the light device comprises a plurality of light guides such as three light guides 11a, 11b, 11c, as illustrated in the figures.
  • the three light guides 11a, 11b, 11c respectively have curvilinear shapes but slightly different from each other. It is noted that the invention is nevertheless not limited to the shapes nor to the number of light guides shown in the figures. In this spirit, according to another example not illustrated, the light guides 11a, 11b, 11c could be of identical shape. In addition, the light guides 11a, 11b, 11c according to the invention could each comprise one or more curvatures. In a general but non-limiting manner, the light guides 11a, 11b, 11c according to the invention may have at least one linear portion, as illustrated in figure 1 . Moreover, the invention is not limited to the materials, nor to the colors, nor to the details such as the reliefs and/or the grooves possibly formed on the surface of the light guides 11a, 11b, 11c to improve the lighting effects. and signaling.
  • the support system 2 comprises a support 22, a first fixing means 31, a second fixing means 41 and a guide positioning means 21.
  • the guide positioning means 21 is defined on the support 22 and is configured so that the light guides 11a, 11b, 11c are assembled to the support 22.
  • the guide positioning means 21 comprises at least one gutter formed on the surface of the support 22.
  • the hollow of the at least one gutter has a shape complementary to that of the at least one light guide (11a, 11b, 11c) so as to hold the at least one light guide.
  • the guide positioning means 21 comprises a plurality of gutters, the number of which corresponds to that of the light guides.
  • the gutters respectively have a shape complementary to that of one of the light guides (11a, 11b, 11c) so as to respectively hold said light guides (11a, 11b, 11c).
  • the gutters comprise each a reflector formed by an inner wall of the hollow so as to guide the light generated by one of the light guides (11a, 11b, 11c).
  • the figure 2 represents a schematic perspective view of the first fixing means 31.
  • the light guides 11a, 11b, 11c each have first and second ends which are opposite one another.
  • the three light guides 11a, 11b, 11c respectively comprise a first end 111a, 111b, 111c and a second end 112a, 112b, 112c.
  • the first fixing means 31 is configured to cooperate with the first ends of the light guides 11a, 11b, 11c so as to hold the light guides 11a, 11b, 11c by fixing the first ends.
  • the first fixing means 31 comprises a first insertion section 32 and a clipping means 51 mounted at the level of the support 22.
  • the first insertion section 32 comprises at least one cavity allowing the insertion first ends 111a, 111b, 111c of the light guides 11a, 11b, 11c.
  • the first insertion section 32 comprises three cavities whose recesses respectively have a shape complementary to that of one of the first ends 111a, 111b, 111c of one of the light guides 11a, 11b, 11c.
  • the invention is however not limited to the shapes and numbers of cavities of the first insertion section 32.
  • the clipping means 51 is configured, in cooperation with the first insertion section 32 and the guide positioning means 21, to maintain the positioning of the light guides 11a, 11b, 11c on the guide positioning means 21.
  • the clipping means 51 comprises at least one clip arranged to maintain by clipping the positioning of at least one of the first ends of the light guides 11a, 11b, 11c inserted into the first insertion section 32.
  • the number of clips it is sufficient for the number of clips to be less than that of light guides thanks to the presence of the first insertion section 32.
  • the clipping means 51 comprises two clips 51a, 51b respectively configured to maintain the positioning of the light guides 11a and 11c; i.e.
  • the two clips 51a, 51b are used to hold the two first ends 111a and 111c inserted into the first insertion section 32 as well as to hold the light guides 11a and 11c in the gutters of the means of positioning of guides 21. In this way, the positioning of the light guide 11b is maintained even if it there is no clip to fix the first end 111b of the light guide 11b by clipping. Consequently, the immobilization of the first ends of the light guides 11a, 11b and 11c is guaranteed.
  • the invention is nevertheless not limited to the shapes and numbers of cavities of the first insertion section 32, nor to the number of clips of the clipping means 51.
  • the clipping means 51 can comprise clips whose number is the same as that of light guides.
  • the light module 1 can comprise a thermal device such as a radiator 9.
  • the radiator 9 is also fixed to the first fixing means 31. More specifically, a housing is provided on the rear face of the first insertion section 32. The housing has a shape corresponding to the technical shape of the radiator 9 and comprises a flat peripheral surface adapted to receive a seal. Fixing means are provided for fixing said radiator 9 in said housing.
  • the light device such as the light guides 11a, 11b, 11c as well as the thermal device can be installed integrally in order to reduce the total size of the projector.
  • the figures 3 and 4 represent a schematic perspective view of the second fixing means 41.
  • the second fixing means 41 is configured to cooperate with the second ends of the light guides 11a, 11b, 11c so as to fix and hold the light guides 11a, 11b, 11c by fixing the second ends.
  • the second fixing means 41 comprises a second insertion section 42 defined on the support 22, and at least one gripping tooth.
  • the at least one gripping tooth is formed at the second end of the at least one light guide and is configured to hold the second end inserted into the second insertion section 42.
  • the second insertion section 42 further comprises at least one shaft.
  • the at least one shaft comprises a shoulder formed on the internal surface of the at least one shaft. The shape of the internal surface of the at least one shank and of the shoulder is complementary to that of the at least one gripping tooth.
  • the second insertion section 42 of the second fastening means 41 comprises three barrels 65a, 65b, and 65c respectively arranged for the insertion of the second ends 112a, 112b, 112c.
  • the light guides 11a, 11b, 11c each comprise a gripping tooth formed respectively on the second end 112a, 112b, 112c.
  • the figure 4 shows a close-up schematic view of the hooking tooth 55a of the light guide 11a inserted into the shaft 65a of the second insertion section 42.
  • the shaft 65a comprises a shoulder 66a so as to improve the fixing by hooking of the tooth d hook 55a.
  • reliefs and grooves are formed on the external surface of the at least one gripping tooth as well as on the internal surface of the at least one barrel so as to improve the fixing .
  • the immobilization of the first and second ends of the light guides 11a, 11b, 11c is guaranteed; the positioning with good precision as well as the anti-vibration of the light guides are therefore achieved.
  • the light module 1 comprises a light module fixing means configured to fix the light module 1 to the projector.
  • the light module fixing means comprises at least one fixing lug.
  • the light module fixing means comprises a plurality of lugs configured to fix the light module 1 to at least one contact point or face located inside the projector housing.
  • the fixing can be carried out via screws.
  • the invention makes it possible to guarantee a good positioning of the luminous and/or thermal devices all assembled to the support system which is installed at the level of the headlamp, and to ensure that this positioning is not affected by vibrations produced during vehicle travel.

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  • 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)

Description

L'invention concerne, de façon générale, les dispositifs d'éclairage et de signalisation installés dans les véhicules automobiles.The invention relates, in general, to lighting and signaling devices installed in motor vehicles.

L'invention porte plus particulièrement sur un module lumineux comprenant un système de support agencé au niveau des projecteurs d'un véhicule, de sorte à loger et positionner des dispositifs lumineux tels que des guides de lumière.The invention relates more particularly to a light module comprising a support system arranged at the level of the headlights of a vehicle, so as to house and position light devices such as light guides.

De manière connue, un projecteur de véhicule comprend un ou plusieurs dispositifs lumineux installés de manière préférentiellement solidarisée dans le projecteur. Les dispositifs lumineux comportent au moins un guide de lumière configuré pour diffuser de la lumière générée par une source de lumière telle qu'une diode électroluminescente (abrégée en « DEL » en français, ou désignée « LED » de l'anglais « Light-Emitting Diode »). Ainsi, la fonction d'éclairage ou/et celle de signalisation telle que l'allumage des feux de jour (d'un acronyme « DRL » de l'anglais « Daytime running Lights ») est réalisée.In a known manner, a vehicle headlamp comprises one or more light devices preferably installed integrally in the headlamp. The light devices comprise at least one light guide configured to diffuse light generated by a light source such as a light-emitting diode (abbreviated as "DEL" in French, or designated "LED" from English "Light-Emitting Diode"). Thus, the lighting function and/or the signaling function such as the switching on of the daytime running lights (from an acronym “DRL” for “Daytime running Lights”) is carried out.

Il existe des supports d'éclairage et de signalisation montés au niveau des projecteurs des véhicules et configurés pour loger des guides de lumière. Néanmoins, ces supports d'éclairage et de signalisation ne garantissent pas suffisamment le bon positionnement des guides de lumière, ni la fixation des guides de lumière de manière antivibratoire. Le positionnement des guides de lumière risque ainsi de changer de manière involontaire à cause de vibrations produises lors d'un trajet de véhicule. Les fonctions des guides de lumière, notamment d'un point de vue photométrique, risquent par conséquent de ne pas être assurées.There are lighting and signaling brackets mounted at vehicle headlamps and configured to house light guides. Nevertheless, these lighting and signaling supports do not sufficiently guarantee the correct positioning of the light guides, nor the fixing of the light guides in an anti-vibration manner. The positioning of the light guides thus risks changing involuntarily due to vibrations produced during a vehicle journey. The functions of the light guides, in particular from a photometric point of view, therefore run the risk of not being ensured.

On connaît le document FR2965040 qui décrit un dispositif lumineux proposé pour résoudre en partie les inconvénients ci-dessus. Le dispositif lumineux est destiné à faire partie d'un projecteur (« bloc optique » dans le document FR2965040 ) de véhicule automobile et comprend plusieurs guides de lumière longilignes, une partie terminale, un support et des moyens de fixations. Les moyens de fixation sont respectivement formés à la partie terminale, au support et au projecteur, de manière à ce que les moyens de fixation formés à la partie terminale et au support coopèrent respectivement avec les moyens de fixation correspondants du projecteur. Les moyens de fixation de la partie terminale sont agencés pour guider la lumière issue de ladite partie terminale afin de la diffuser vers l'extérieur. DE 10 2015 121 324 divulgue un module lumineux selon le préambule de la revendication 1.We know the document FR2965040 which describes a light device proposed to partially solve the above drawbacks. The light device is intended to be part of a projector ("optical unit" in the document FR2965040 ) of a motor vehicle and comprises several elongated light guides, an end part, a support and fixing means. The fixing means are respectively formed on the end part, on the support and on the headlight, so that the fixing means formed on the end part and on the support cooperate respectively with the corresponding fixing means of the headlight. The means of fixing the part end are arranged to guide the light coming from said end part in order to diffuse it outwards. FROM 10 2015 121 324 discloses a light module according to the preamble of claim 1.

L'invention vise à résoudre les inconvénients ci-dessus en proposant un module lumineux permettant d'améliorer, par rapport à cet état de l'art, le positionnement ainsi que la fixation antivibratoire des guides de lumière ou d'autres dispositifs également logés dans le projecteur de véhicule.The invention aims to solve the above drawbacks by proposing a light module making it possible to improve, compared to this state of the art, the positioning as well as the anti-vibration fixing of the light guides or other devices also housed in the vehicle headlight.

Pour parvenir à ce résultat, la présente invention concerne un module lumineux selon la revendication 1. Ce module lumineux destiné à être installé dans un projecteur d'un véhicule, comprenant au moins un guide de lumière présentant chacun une première et une deuxième extrémités, et un système de support comprenant un support. Le système de support comprend un premier moyen de fixation et un deuxième moyen de fixation. Le premier moyen de fixation comprend une première section d'insertion aménagée sur le support et un moyen de clippage, le moyen de clippage comprenant au moins un clip configuré pour tenir une première extrémité de l'au moins un guide de lumière insérée dans la première section d'insertion. Le deuxième moyen de fixation comprend une deuxième section d'insertion aménagée sur le support et au moins une dent d'accroché, l'au moins une dent d'accroche étant formée à la deuxième extrémité et étant configurée pour tenir une deuxième extrémité de l'au moins un guide de lumière insérée dans la deuxième section d'insertion.To achieve this result, the present invention relates to a light module according to claim 1. This light module intended to be installed in a headlamp of a vehicle, comprising at least one light guide each having a first and a second end, and a support system comprising a support. The support system includes a first attachment means and a second attachment means. The first attachment means comprises a first insertion section arranged on the support and a clipping means, the clipping means comprising at least one clip configured to hold a first end of the at least one light guide inserted in the first insert section. The second fastening means comprises a second insertion section arranged on the support and at least one hooking tooth, the at least one hooking tooth being formed at the second end and being configured to hold a second end of the at least one light guide inserted into the second insertion section.

L'invention permet ainsi de garantir un bon positionnement des dispositifs lumineux tous assemblés au système de support installé au niveau du projecteur, et d'assurer que ce positionnement n'est pas impacté par vibrations produises lors d'un trajet de véhicule.The invention thus makes it possible to guarantee correct positioning of the light devices all assembled to the support system installed at the level of the headlamp, and to ensure that this positioning is not impacted by vibrations produced during a vehicle journey.

Selon l'invention le système de support comprend un moyen de positionnement de guide défini sur le support, le moyen de positionnement de guide comprenant au moins une gouttière dont le creux présente une forme complémentaire de celle de l'au moins un guide de lumière.According to the invention, the support system comprises guide positioning means defined on the support, the guide positioning means comprising at least one gutter, the hollow of which has a shape complementary to that of the at least one light guide.

Selon l'invention l'au moins une gouttière comprend un réflecteur formé sur une paroi interne du creux.According to the invention, the at least one gutter comprises a reflector formed on an internal wall of the hollow.

Selon l'invention la deuxième section d'insertion comprend au moins un fût présentant un épaulement formé en surface interne de l'au moins un fût, la forme de la surface interne de l'au moins un fût est complémentaire de celle de l'au moins une dent d'accroche.According to the invention, the second insertion section comprises at least one shaft having a shoulder formed on the internal surface of the at least one shaft, the shape of the internal surface of the at least one barrel is complementary to that of the at least one gripping tooth.

Avantageusement, l'au moins un guide de lumière comprend une pluralité de guides de lumière, le nombre de clips du moyen de clippage étant inférieur à celui de guides de lumière.Advantageously, the at least one light guide comprises a plurality of light guides, the number of clips of the clipping means being less than that of light guides.

De manière préférentielle, le module lumineux comprend un radiateur logé dans un logement aménagé à la face arrière de la première section d'insertion.Preferably, the light module comprises a radiator housed in a housing arranged on the rear face of the first insertion section.

De façon avantageuse, le module lumineux comprend un moyen de fixation de module lumineux configuré pour fixer le module lumineux logé dans un boîtier du projecteur.Advantageously, the light module comprises a light module fixing means configured to fix the light module housed in a housing of the projector.

De manière préférentielle, le moyen de fixation de module lumineux comprend au moins une patte de fixation configurée pour fixer le module lumineux à au moins un point ou une face de contact situé(e) à l'intérieur du boîtier du projecteur.Preferably, the light module attachment means comprises at least one attachment lug configured to attach the light module to at least one contact point or face located inside the housing of the headlight.

L'invention concerne également un véhicule comprenant un module lumineux installé au niveau du projecteur, tel que brièvement décrit ci-dessus.The invention also relates to a vehicle comprising a light module installed at the headlamp, as briefly described above.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée des modes de réalisation de l'invention, donnés à titre d'exemple uniquement, et en référence aux dessins qui montrent :

  • la figure 1, une vue schématique en perspective d'un projecteur de véhicule et un module lumineux installé dans ledit projecteur,
  • la figure 2, une vue schématique en perspective du premier moyen de fixation,
  • la figure 3, une vue schématique en perspective du deuxième moyen de fixation,
  • la figure 4, une vue schématique rapprochée d'une dent d'accroche du guide de lumière insérée dans la deuxième section d'insertion.
Other characteristics and advantages of the invention will appear on reading the detailed description of the embodiments of the invention, given by way of example only, and with reference to the drawings which show:
  • the figure 1 , a schematic perspective view of a vehicle headlamp and a light module installed in said headlamp,
  • the figure 2 , a schematic perspective view of the first fastening means,
  • the picture 3 , a schematic perspective view of the second fastening means,
  • the figure 4 , a schematic close-up view of a light guide gripping tooth inserted into the second insertion section.

Dans ce qui va suivre, les modes de réalisation décrits s'attachent plus particulièrement à une mise en œuvre du module lumineux selon l'invention. Cependant, toute mise en œuvre dans un contexte différent, en particulier dans tout type de véhicule, est également visée par la présente invention.In what follows, the embodiments described relate more particularly to an implementation of the light module according to the invention. However, any implementation in a different context, in particular in any type of vehicle, is also covered by the present invention.

La figure 1 représente une vue schématique en perspective d'un projecteur de véhicule et un module lumineux 1 installé dans ledit projecteur. Le module lumineux 1 comprend au moins un dispositif lumineux et un système de support 2. De manière avantageuse, le module lumineux 1 comprend en outre au moins un dispositif thermique, également désigné radiateur. L'au moins un dispositif lumineux comprend au moins un guide de lumière. Le système de support 2 est configuré pour positionner et fixer avec précision l'au moins un guide de lumière 11a, 11b, 11c.The figure 1 shows a schematic perspective view of a vehicle headlight and a light module 1 installed in said headlight. The light module 1 comprises at least one light device and a support system 2. Advantageously, the light module 1 further comprises at least one thermal device, also referred to as a radiator. The at least one light device includes at least one light guide. The support system 2 is configured to precisely position and fix the at least one light guide 11a, 11b, 11c.

Dans l'exemple non limitatif illustré, le dispositif lumineux comprend une pluralité de guides de lumière tels que trois guides de lumière 11a, 11b, 11c, comme illustré sur les figures. Dans le mode de réalisation représenté, les trois guides de lumière 11a, 11b, 11c présentent respectivement des formes curvilignes mais légèrement différentes l'une des autres. Il est noté que l'invention n'est néanmoins pas limitée aux formes ni au nombre de guides de lumière montrés sur les figures. Dans cet esprit, selon un autre exemple non illustré, les guides de lumière 11a, 11b, 11c pourraient être de forme identique. De plus, les guides de lumière 11a, 11b, 11c selon l'invention pourrait chacun comprendre une ou plusieurs courbures. De manière générale mais non limitative, les guides de lumière 11a, 11b, 11c selon l'invention peuvent présenter au moins une portion linéaire, telle qu'illustré en figure 1. De plus, l'invention n'est pas limitée aux matières, ni aux couleurs, ni aux détails tels que les reliefs ou/et les rainures éventuellement formés en surface des guides de lumière 11a, 11b, 11c pour améliorer les effets d'éclairage et de signalisation.In the non-limiting example illustrated, the light device comprises a plurality of light guides such as three light guides 11a, 11b, 11c, as illustrated in the figures. In the embodiment shown, the three light guides 11a, 11b, 11c respectively have curvilinear shapes but slightly different from each other. It is noted that the invention is nevertheless not limited to the shapes nor to the number of light guides shown in the figures. In this spirit, according to another example not illustrated, the light guides 11a, 11b, 11c could be of identical shape. In addition, the light guides 11a, 11b, 11c according to the invention could each comprise one or more curvatures. In a general but non-limiting manner, the light guides 11a, 11b, 11c according to the invention may have at least one linear portion, as illustrated in figure 1 . Moreover, the invention is not limited to the materials, nor to the colors, nor to the details such as the reliefs and/or the grooves possibly formed on the surface of the light guides 11a, 11b, 11c to improve the lighting effects. and signaling.

Le système de support 2 comprend un support 22, un premier moyen de fixation 31, un deuxième moyen de fixation 41 et un moyen de positionnement de guides 21. Le moyen de positionnement de guides 21 est défini sur le support 22 et est configuré de sorte à ce que les guides de lumière 11a, 11b, 11c sont assemblés au support 22. Selon l'invention le moyen de positionnement de guides 21 comprend au moins une gouttière formée en surface du support 22. Le creux de l'au moins une gouttière présente une forme complémentaire de celle de l'au moins un guide de lumière (11a, 11b, 11c) de sorte à tenir l'au moins un guide de lumière.The support system 2 comprises a support 22, a first fixing means 31, a second fixing means 41 and a guide positioning means 21. The guide positioning means 21 is defined on the support 22 and is configured so that the light guides 11a, 11b, 11c are assembled to the support 22. According to the invention, the guide positioning means 21 comprises at least one gutter formed on the surface of the support 22. The hollow of the at least one gutter has a shape complementary to that of the at least one light guide (11a, 11b, 11c) so as to hold the at least one light guide.

Dans l'exemple illustré en figures, le moyen de positionnement de guides 21 comprend une pluralité de gouttières dont le nombre correspond à celui des guides de lumière. Les gouttières présentent respectivement une forme complémentaire de celle d'un des guides de lumière (11a, 11b, 11c) de sorte à tenir respectivement lesdits guides de lumière (11a, 11b, 11c). Selon l'invention les gouttières comprennent chacune un réflecteur formé par une paroi interne du creux de sorte à guider la lumière générée par un des guides de lumière (11a, 11b, 11c).In the example illustrated in the figures, the guide positioning means 21 comprises a plurality of gutters, the number of which corresponds to that of the light guides. The gutters respectively have a shape complementary to that of one of the light guides (11a, 11b, 11c) so as to respectively hold said light guides (11a, 11b, 11c). According to the invention the gutters comprise each a reflector formed by an inner wall of the hollow so as to guide the light generated by one of the light guides (11a, 11b, 11c).

La figure 2 représente une vue schématique en perspective du premier moyen de fixation 31. Les guides de lumière 11a, 11b, 11c présentent chacun une première et une deuxième extrémités qui sont opposées l'une à l'autre. Dans l'exemple illustré en figures, les trois guides de lumière 11a, 11b, 11c comprennent respectivement une première extrémité 111a, 111b, 111c et une deuxième extrémité 112a, 112b, 112c.The figure 2 represents a schematic perspective view of the first fixing means 31. The light guides 11a, 11b, 11c each have first and second ends which are opposite one another. In the example illustrated in the figures, the three light guides 11a, 11b, 11c respectively comprise a first end 111a, 111b, 111c and a second end 112a, 112b, 112c.

Le premier moyen de fixation 31 est configuré pour coopérer avec les premières extrémités des guides de lumière 11a, 11b, 11c de sorte à maintenir les guides de lumière 11a, 11b, 11c par fixation des premières extrémités. Selon le présent mode de réalisation, le premier moyen de fixation 31 comprend une première section d'insertion 32 et un moyen de clippage 51 monté au niveau du support 22. La première section d'insertion 32 comprend au moins une cavité permettant l'insertion des premières extrémités 111a, 111b, 111c des guides de lumière 11a, 11b, 11c. Dans l'exemple non limitatif illustré en figure 2, la première section d'insertion 32 comprend trois cavités dont les creux présentent respectivement une forme complémentaire de celle d'une des premières extrémités 111a, 111b, 111c d'un des guides de lumière 11a, 11b, 11c. L'invention n'est néanmoins pas limitée aux formes et nombres de cavités de la première section d'insertion 32.The first fixing means 31 is configured to cooperate with the first ends of the light guides 11a, 11b, 11c so as to hold the light guides 11a, 11b, 11c by fixing the first ends. According to the present embodiment, the first fixing means 31 comprises a first insertion section 32 and a clipping means 51 mounted at the level of the support 22. The first insertion section 32 comprises at least one cavity allowing the insertion first ends 111a, 111b, 111c of the light guides 11a, 11b, 11c. In the non-limiting example illustrated in figure 2 , the first insertion section 32 comprises three cavities whose recesses respectively have a shape complementary to that of one of the first ends 111a, 111b, 111c of one of the light guides 11a, 11b, 11c. The invention is however not limited to the shapes and numbers of cavities of the first insertion section 32.

Le moyen de clippage 51 est configuré, en coopération avec la première section d'insertion 32 et le moyen de positionnement de guides 21, pour maintenir le positionnement des guides de lumière 11a, 11b, 11c sur le moyen de positionnement de guides 21. Le moyen de clippage 51 comprend au moins un clip agencé pour maintenir par clippage le positionnement d'au moins une des premières extrémités des guides de lumière 11a, 11b, 11c insérée dans la première section d'insertion 32. De manière préférentielle mais non limitative, pour obtenir un effet de fixation satisfaisant, il est suffisant que le nombre de clips soit inférieur à celui de guides de lumière grâce à la présence de la première section d'insertion 32. Par exemple, dans l'exemple illustré en figure 2, le moyen de clippage 51 comprend deux clips 51a, 51b respectivement configurés pour maintenir le positionnement des guides de lumière 11a et 11c ; c'est-à-dire les deux clips 51a, 51b sont utilisés pour tenir les deux premières extrémités 111a et 111c insérées dans la première section d'insertion 32 ainsi que pour tenir les guides de lumière 11a et 11c dans les gouttières du moyen de positionnement de guides 21. De cette manière, le positionnement du guide de lumière 11b est maintenu même s'il n'existe pas de clip pour fixer par clippage la première extrémité 111b du guide de lumière 11b. Par conséquent, l'immobilisation des premières extrémités des guides de lumière 11a, 11b et 11c est garantie.The clipping means 51 is configured, in cooperation with the first insertion section 32 and the guide positioning means 21, to maintain the positioning of the light guides 11a, 11b, 11c on the guide positioning means 21. The clipping means 51 comprises at least one clip arranged to maintain by clipping the positioning of at least one of the first ends of the light guides 11a, 11b, 11c inserted into the first insertion section 32. Preferably but not limitingly, to obtain a satisfactory fixing effect, it is sufficient for the number of clips to be less than that of light guides thanks to the presence of the first insertion section 32. For example, in the example illustrated in figure 2 , the clipping means 51 comprises two clips 51a, 51b respectively configured to maintain the positioning of the light guides 11a and 11c; i.e. the two clips 51a, 51b are used to hold the two first ends 111a and 111c inserted into the first insertion section 32 as well as to hold the light guides 11a and 11c in the gutters of the means of positioning of guides 21. In this way, the positioning of the light guide 11b is maintained even if it there is no clip to fix the first end 111b of the light guide 11b by clipping. Consequently, the immobilization of the first ends of the light guides 11a, 11b and 11c is guaranteed.

L'invention n'est néanmoins pas limitée aux formes et nombres de cavités de la première section d'insertion 32, ni au nombre de clips du moyen de clippage 51. Dans un autre exemple non illustré, le moyen de clippage 51 peut comprendre des clips dont le nombre est identique à celui de guides de lumière.The invention is nevertheless not limited to the shapes and numbers of cavities of the first insertion section 32, nor to the number of clips of the clipping means 51. In another example not illustrated, the clipping means 51 can comprise clips whose number is the same as that of light guides.

Dans un mode de réalisation avantageux, le module lumineux 1 peut comprendre un dispositif thermique tel qu'un radiateur 9. Le radiateur 9 est également fixé au premier moyen de fixation 31. Plus précisément, un logement est aménagé à la face arrière de la première section d'insertion 32. Le logement présente une forme correspondant à la forme technique du radiateur 9 et comprend une surface périphérique plane adaptée pour recevoir un joint d'étanchéité. Des moyens de fixation sont prévus pour fixer ledit radiateur 9 dans ledit logement. De cette manière, le dispositif lumineux tel que les guides de lumière 11a, 11b, 11c ainsi que le dispositif thermique peuvent être installés de manière solidarisée afin de réduire la taille totale du projecteur.In an advantageous embodiment, the light module 1 can comprise a thermal device such as a radiator 9. The radiator 9 is also fixed to the first fixing means 31. More specifically, a housing is provided on the rear face of the first insertion section 32. The housing has a shape corresponding to the technical shape of the radiator 9 and comprises a flat peripheral surface adapted to receive a seal. Fixing means are provided for fixing said radiator 9 in said housing. In this way, the light device such as the light guides 11a, 11b, 11c as well as the thermal device can be installed integrally in order to reduce the total size of the projector.

Les figures 3 et 4 représentent une vue schématique en perspective du deuxième moyen de fixation 41. Le deuxième moyen de fixation 41 est configuré pour coopérer avec les deuxièmes extrémités des guides de lumière 11a, 11b, 11c de sorte à fixer et maintenir les guides de lumière 11a, 11b, 11c par fixation des deuxièmes extrémités. Le deuxième moyen de fixation 41 comprend une deuxième section d'insertion 42 définie sur le support 22, et au moins une dent d'accroche. L'au moins une dent d'accroche est formée à la deuxième extrémité de l'au moins un guide de lumière et est configurée pour tenir la deuxième extrémité insérée dans la deuxième section d'insertion 42.The figures 3 and 4 represent a schematic perspective view of the second fixing means 41. The second fixing means 41 is configured to cooperate with the second ends of the light guides 11a, 11b, 11c so as to fix and hold the light guides 11a, 11b, 11c by fixing the second ends. The second fixing means 41 comprises a second insertion section 42 defined on the support 22, and at least one gripping tooth. The at least one gripping tooth is formed at the second end of the at least one light guide and is configured to hold the second end inserted into the second insertion section 42.

Selon l'invention la deuxième section d'insertion 42 comprend en outre au moins un fût. Selon l'invention l'au moins un fût comprend un épaulement formé en surface interne de l'au moins un fût. La forme de la surface interne de l'au moins un fût et de l'épaulement est complémentaire de celle de l'au moins une dent d'accroche.According to the invention the second insertion section 42 further comprises at least one shaft. According to the invention, the at least one shaft comprises a shoulder formed on the internal surface of the at least one shaft. The shape of the internal surface of the at least one shank and of the shoulder is complementary to that of the at least one gripping tooth.

Selon le présent exemple illustré en figures 3 et 4, la deuxième section d'insertion 42 du deuxième moyen de fixation 41 comprend trois fûts 65a, 65b, et 65c respectivement agencés pour l'insertion des deuxièmes extrémités 112a, 112b, 112c. Les guides de lumières 11a, 11b, 11c comprennent chacun une dent d'accroche formée respectivement sur la deuxième extrémité 112a, 112b, 112c. La figure 4 montre en vue schématique rapprochée de la dent d'accroche 55a du guide de lumière 11a insérée dans le fût 65a de la deuxième section d'insertion 42. Le fût 65a comprend un épaulement 66a de sorte à améliorer la fixation par raccrochage de la dent d'accroche 55a.According to the present example illustrated in figures 3 and 4 , the second insertion section 42 of the second fastening means 41 comprises three barrels 65a, 65b, and 65c respectively arranged for the insertion of the second ends 112a, 112b, 112c. The light guides 11a, 11b, 11c each comprise a gripping tooth formed respectively on the second end 112a, 112b, 112c. The figure 4 shows a close-up schematic view of the hooking tooth 55a of the light guide 11a inserted into the shaft 65a of the second insertion section 42. The shaft 65a comprises a shoulder 66a so as to improve the fixing by hooking of the tooth d hook 55a.

De cette manière, l'immobilisation des deuxièmes extrémités des guides de lumière est garantie.In this way, the immobilization of the second ends of the light guides is guaranteed.

Dans un autre mode de réalisation encore plus avantageux, des reliefs et des rainures sont formés sur la surface externe de l'au moins une dent d'accroche ainsi que sur la surface interne de l'au moins un fût de sorte à améliorer la fixation.In another even more advantageous embodiment, reliefs and grooves are formed on the external surface of the at least one gripping tooth as well as on the internal surface of the at least one barrel so as to improve the fixing .

Comme décrit précédemment, l'immobilisation des premières et des deuxièmes extrémités des guides de lumière 11a, 11b, 11c est garantie ; le positionnement avec bonne précision ainsi que l'anti-vibration des guides de lumière sont par conséquent réalisés.As described above, the immobilization of the first and second ends of the light guides 11a, 11b, 11c is guaranteed; the positioning with good precision as well as the anti-vibration of the light guides are therefore achieved.

De manière avantageuse, le module lumineux 1 comprend un moyen de fixation de module lumineux configuré pour fixer le module lumineux 1 au projecteur. Le moyen de fixation de module lumineux comprend au moins une patte de fixation. Pour améliorer l'immobilisation de la fixation du module lumineux 1 logé dans le projecteur, le moyen de fixation de module lumineux comprend une pluralité de pattes configurées pour fixer le module lumineux 1 à au moins un point ou une face de contact situé(e) à l'intérieur du boîtier du projecteur. Selon un mode de réalisation, la fixation peut être réalisée via des vis.Advantageously, the light module 1 comprises a light module fixing means configured to fix the light module 1 to the projector. The light module fixing means comprises at least one fixing lug. To improve the immobilization of the fixing of the light module 1 housed in the headlamp, the light module fixing means comprises a plurality of lugs configured to fix the light module 1 to at least one contact point or face located inside the projector housing. According to one embodiment, the fixing can be carried out via screws.

Grace à la coopération du premier moyen de fixation, du deuxième moyen de fixation voire du moyen de positionnement de guide, l'invention permet de garantir un bon positionnement des dispositif lumineux et/ou thermiques tous assemblés au système de support qui est installé au niveau du projecteur, et d'assurer que ce positionnement n'est pas impacté par vibrations produises lors d'un trajet de véhicule.Thanks to the cooperation of the first fixing means, the second fixing means or even the guide positioning means, the invention makes it possible to guarantee a good positioning of the luminous and/or thermal devices all assembled to the support system which is installed at the level of the headlamp, and to ensure that this positioning is not affected by vibrations produced during vehicle travel.

Claims (6)

  1. A light module (1) for installation in a headlamp of a vehicle, comprising at least one light guide (11a, 11b, 11c) each having a first and a second end, and a support system (2) comprising a holder (22), said support system (2) comprising:
    - a first fixing means (31) comprising a first insertion section (32) arranged on the holder (22) and a clipping means (51), the clipping means (51) comprising at least one clip (51a, 51b) configured to hold a first end (111a) of the at least one light guide inserted in the first insertion section (32);
    - a second fixing means (41) comprising a second insertion section (42) provided on the holder (22) and at least one hooking tooth (55a), the at least one hooking tooth (55a) being formed at the second end (112a) and being configured to hold a second end (112a) of the at least one light guide (11a, 11b, 11c) inserted into the second insertion section (42)
    - a guide positioning means (21) defined on the holder (22), the guide positioning means (21) comprising at least one trough whose recess has a shape complementary to that of the at least one light guide (11a, 11b, 11c), the at least one trough comprising a reflector formed on an inner wall of the recess characterized in that the second insertion section (42) comprises at least one shank (65a) having a shoulder (66a) formed on an inner surface of the at least one shank (65a), the shape of the inner surface of the at least one shank (65a) is complementary to that of the at least one catch tooth (55a).
  2. The light module (1) according to any one of the preceding claims, wherein the at least one light guide (11a, 11b, 11c) comprises a plurality of light guides (11a, 11b, 11c), the number of clips of the clipping means (51) being less than the number of light guides (11a, 11b, 11c).
  3. The light module (1) according to any one of the preceding claims, comprising a heat sink (9) housed in a housing provided at the rear side of the first insertion section (32).
  4. A light module (1) according to any of the preceding claims, comprising a light module attachment means configured to attach the light module (1) housed in a housing of the projector.
  5. The light module (1) according to any preceding claim, wherein the light module attachment means comprises at least one attachment tab configured to attach the light module (1) to at least one contact point or face located within the projector housing.
  6. A motor vehicle having a light module according to any of the preceding claims installed at a headlamp.
EP19746117.1A 2018-07-10 2019-06-12 Light module integrated into a headlight of a vehicle Active EP3821169B1 (en)

Applications Claiming Priority (2)

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FR1856319A FR3083846B1 (en) 2018-07-10 2018-07-10 LIGHT MODULE INTEGRATED INTO A VEHICLE PROJECTOR.
PCT/FR2019/051412 WO2020012081A1 (en) 2018-07-10 2019-06-12 Light module integrated into a headlight of a vehicle

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EP3821169A1 EP3821169A1 (en) 2021-05-19
EP3821169B1 true EP3821169B1 (en) 2022-03-30

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FR3130355B1 (en) * 2021-12-09 2024-04-19 Valeo Vision LIGHT MODULE WITH LIGHT GUIDES WITH ANTI-VIBRATION MOUNTING

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FR2965040B1 (en) 2010-09-20 2015-12-18 Peugeot Citroen Automobiles Sa LIGHT-GUIDING LIGHT DEVICE FOR A VEHICLE OPTICAL BLOCK, AND ASSOCIATED MASK AND HOUSING
FR2972975B1 (en) * 2011-01-18 2014-08-22 Valeo Vision OPTICAL UNIT FOR SIGNALING AND / OR LIGHTING DEVICE
FR3027856A1 (en) * 2014-11-03 2016-05-06 Valeo Vision LUMINOUS MODULE FOR A MOTOR VEHICLE COMPRISING A LIGHT GUIDE
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WO2023209303A1 (en) * 2022-04-25 2023-11-02 Psa Automobiles Sa Lighting device with dog-legged light guide(s)

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AR115712A1 (en) 2021-02-17
EP3821169A1 (en) 2021-05-19
FR3083846A1 (en) 2020-01-17
CN112313447A (en) 2021-02-02
FR3083846B1 (en) 2021-06-04

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