EP3212992B1 - Compact optical module for vehicle - Google Patents

Compact optical module for vehicle Download PDF

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Publication number
EP3212992B1
EP3212992B1 EP14809074.9A EP14809074A EP3212992B1 EP 3212992 B1 EP3212992 B1 EP 3212992B1 EP 14809074 A EP14809074 A EP 14809074A EP 3212992 B1 EP3212992 B1 EP 3212992B1
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EP
European Patent Office
Prior art keywords
reflector
support
lighting system
lens
vehicle
Prior art date
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Application number
EP14809074.9A
Other languages
German (de)
French (fr)
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EP3212992A1 (en
Inventor
Filipe Videira
Alain CARROUGET
Gilles Moynier
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
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Publication of EP3212992A1 publication Critical patent/EP3212992A1/en
Application granted granted 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • 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
    • F21S41/29—Attachment thereof
    • F21S41/295—Attachment thereof specially adapted to projection lenses
    • 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
    • F21S41/39—Attachment thereof

Definitions

  • the invention relates to a lighting system for a vehicle comprising a set of compact and standardized optical modules, each optical module comprising a diode light source, the module being able to perform different functions depending on its destination such as, for example, high beams. , daytime running lights, position lights.
  • the document US2012 / 0063156 describes an optical unit including a heat sink which emits heat from a light source, and a base part including a reflection section, a lens mounting section, and a connection section connecting the mounting section reflector and lens mounting section.
  • the optical unit is made up of several specific elements, the assembly of which is not obvious.
  • the optical unit is fixed in the bottom of a case on the heat sink by means of studs, a semi-enveloping glass is fixed on the front of the case in front of the lens of the optical unit.
  • this optical unit consists of several complicated and not obvious parts to be assembled together.
  • this optical unit is specific to single light.
  • the use of different LEDs with different characteristics in an optical module of a lighting and / or signaling device for a motor vehicle is shown in EP 2 295 850 A1 .
  • a lighting device comprising a sub-assembly with LEDs and a heat sink common to several types of lamps is known from US 2013/107561 A1 .
  • US 2009/207612 A1 shows an emergency vehicle signaling ramp comprising interchangeable modules of different types.
  • the present invention aims to overcome these drawbacks by proposing a compact optical module comprising a diode light source, having a standard part capable of receiving different complementary parts and easily assembled so as to provide different types of lights on demand.
  • the invention proposes a lighting system for a vehicle comprising a set of compact optical modules for a vehicle, designed to obtain several types of lights, the modules comprising differentiated parts according to the type of light, each module comprising a reflector (5) associated with a light source, comprising at least one LED, and with and a lens, assembled on a support, the support being identical for all types of lights, and the reflector comprising at the rear in the upper part, cantilevered a perforated plate placed horizontally, to receive a door (6) light source.
  • the support receives the lens in the direction of the longitudinal axis of the module, allowing good integration and, easily mounting on the support.
  • the support comprises forward areas with respect to the side walls, the ends of which are rounded. This facilitates the assembly of the lens.
  • the advanced areas of the support include arrangements to ensure centering and the clipping of the lens. These arrangements are easily achievable and inexpensive.
  • the lens comprises at each of its longitudinal edges tabs comprising appendages at their ends. This allows a good grip of the tabs.
  • the support receives the reflector along the longitudinal axis of the module.
  • the advanced areas of the support include rearward arrangements for centering and clipping the deflector.
  • the reflector comprises two tabs towards the front, the dimensions of the ends of which are identical to the advanced zones of the support.
  • the tongues of the reflector cover the advanced areas of the support which comprises arrangements allowing the reflector to be clipped.
  • the perforated plate comprises arrangements onto which the light source holder is clipped, which allows easy implementation.
  • the invention also relates to a vehicle comprising a compact optical module comprising a reflector associated with a light source and a lens, having the aforementioned characteristics.
  • the figure 1 presents an exploded perspective view along its longitudinal axis 2 of a compact optical module 1 according to the invention.
  • the optical module 1 consists only of four parts assembled along the longitudinal axis 2.
  • the optical module 1 comprises a support 3 formed of the side walls 3a, 3b and the lower and upper walls 3c, 3d having a rectangular shape along the axis 2.
  • a lens 4 fixed to the front of the support 3, a reflector 5 fixed. at the rear of the support 3, the reflector 5 itself receiving at the rear the light source holder 6 on a perforated plate 5a constituting the reflector 5.
  • the lens 4 has at each of its longitudinal edges tongues 4a, 4b having at their ends appendages 4c, 4d.
  • the tongue 4a is longitudinal and the appendix 4c is a rim formed at the end.
  • the tab 4b is radial and directed towards the inside of the optical module 1, the appendix 4d is also a rim formed at its end.
  • the lower and upper walls of the support 3 are made in the form of advanced zones 3c, 3d towards the front relative to the side walls, the ends of which are rounded.
  • These advanced zones 3c, 3d include arrangements 3e, 3f in the form of orifices or openings capable of guiding and clipping the appendages 4c, 4d of the tabs 4a, 4b of the lens 4.
  • the lens 4 is clipped. by moving it on axis 2 along arrow 10.
  • the reflector 5 comprises a parabola constituting the bottom of the reflector 5, extended towards the front by panels 5a, 5b lower and upper. These panels have dimensions at the ends identical to the advanced areas of the support.
  • the panels 5a, 5b comprise in their internal part arrangements 5c, 5d in the form of orifices or appendages allowing the reflector 5 to be clipped, by moving it on the axis 2 along arrow 11.
  • the panels 5a, 5b of the reflector 5 come to cover the advanced zones 3c, 3d of the support 3 which comprise the necessary arrangements 3e, 3f allowing the clipping of the reflector 5.
  • the bottom of the parabola 5e comprises, at the rear in the upper part, a door wrongly, come from material, a perforated plate 5f placed horizontally comprising arrangements 5g allowing the clipping of the door 6 light source.
  • the light source holder 6 is formed in the form of a plate 5f having specific cutouts, comprising a light source in the form of one or more LEDs (not visible in the figure).
  • the figure 2 presents a sectional side view of a compact and standardized optical module 1 according to a first embodiment of the invention.
  • the optical module 1 comprises the support 3 common for all types of modules, constituting the framework of the optical module 1 on which is clipped, the lens 4 along the longitudinal axis in front of the support 3 and the reflector 5 following the longitudinal axis at the rear of the support 3.
  • the light source holder 6 itself being clipped onto the reflector 5.
  • the lens 4 has two curved faces and the parabolic focus 5e of the reflector 5 is located near the light source 7 and covers the upper half of the height of the lens 4.
  • This optical module 1 comprises a reflector 5 having an "elliptical" focus in which the LED emits radiation 10 following a cone, this radiation 10 is picked up by a small parabola ( small focal length), this light is converged along a predetermined / calculated focal point, then this light is redirected along the axis of the optical module 1 through the lens 4 of elliptical shape.
  • Lens 4 is relatively thick, in appearance, the lens 4 will be perceived as luminous rather than the parabola of the reflector 5.
  • the figure 3 presents a sectional side view of a compact and standardized optical module 1 according to a second embodiment of the invention.
  • the optical module 1 comprises the support 3 common for all types of modules, constituting the framework of the optical module 1 on which is clipped, the lens 4 along the longitudinal axis in front of the support 3 and the reflector 5 following the longitudinal axis at the rear of the support 3.
  • the light source holder 6 7 is itself clipped onto the reflector 5.
  • the lens 4 has its convex front face and its concave rear face and the parabolic focus 5e of the reflector 5 covers the entire height of the lens 4.
  • This optical module 1 comprises a reflector 5 having a "conventional" focus in which the LED emits radiation 11 along a cone, this radiation 11 is redirected in the axis through the parabola of the reflector 5, this radiation 11 then passes through lens 4 which does not modify the path of the light rays.
  • the lens is thinner, the parabola must be sufficiently large (large focal length) so that at a certain distance, the optical module in operation is perceived as having a relatively large luminous dimension.
  • the parabola of the reflector 5 will be perceived as luminous compared to the lens 4.
  • the optical module 1 can advantageously be available in several types of lights, while having common parts such as the support 3 and possibly the light source holder 6, while offering a range of simple and easy assembly of the different parts.

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

Description

L'invention concerne un système d'éclairage pour véhicule comprenant un ensemble de modules optiques compacts et standardisés, chaque module optique comportant une source lumineuse à diode, le module étant apte à assurer différentes fonctions selon sa destination telle que par exemple, feux de routes, feux diurnes, feux de positions.The invention relates to a lighting system for a vehicle comprising a set of compact and standardized optical modules, each optical module comprising a diode light source, the module being able to perform different functions depending on its destination such as, for example, high beams. , daytime running lights, position lights.

Dans l'état de l'art, nous ne connaissons pas de véhicule intégrant des modules optiques compact et standardisé comportant des pièces communes et des pièces différentes, aptes à devenir des modules optiques compact pour des feux de route, feux de croisement, feux diurnes ou feux de positions. Le document US2012/0063156 décrit une unité optique comprenant un dissipateur de chaleur qui émet de la chaleur à partir d'une source de lumière, et une partie de base comprenant une section de réflexion, une section de montage de lentille et une section de connexion reliant la section de montage du réflecteur et la section de montage de lentille. L'unité optique est composée de plusieurs éléments spécifiques dont l'assemblage entre eux n'est pas évident. De plus, l'unité optique est fixée dans le fond d'un boîtier sur le dissipateur par l'intermédiaire de goujons, une glace semi enveloppante est fixée sur l'avant du boîtier devant la lentille de l'unité optique. On comprend que cette unité optique est constituée de plusieurs pièces compliquées et non évidentes à assembler entre elles. En outre, cette unité optique est spécifique à seul feu. L'utilisation de différentes LED de caractéristiques différentes dans un module optique de dispositif d'éclairage et/ou de signalisation pour véhicule automobile est montré dans EP 2 295 850 A1 . Un dispositif d'éclairage comportant un sous-ensemble avec des LEDs et un dissipateur thermique commun à plusieurs types de lampes est connu de US 2013/107561 A1 . Le document US 2009/207612 Al montre une rampe de signalisation pour véhicule d'urgence comprenant des modules interchangeables de types différents.In the state of the art, we do not know of a vehicle integrating compact and standardized optical modules comprising common parts and different parts, capable of becoming compact optical modules for high beam, low beam, daytime running lights. or parking lights. The document US2012 / 0063156 describes an optical unit including a heat sink which emits heat from a light source, and a base part including a reflection section, a lens mounting section, and a connection section connecting the mounting section reflector and lens mounting section. The optical unit is made up of several specific elements, the assembly of which is not obvious. In addition, the optical unit is fixed in the bottom of a case on the heat sink by means of studs, a semi-enveloping glass is fixed on the front of the case in front of the lens of the optical unit. It is understood that this optical unit consists of several complicated and not obvious parts to be assembled together. In addition, this optical unit is specific to single light. The use of different LEDs with different characteristics in an optical module of a lighting and / or signaling device for a motor vehicle is shown in EP 2 295 850 A1 . A lighting device comprising a sub-assembly with LEDs and a heat sink common to several types of lamps is known from US 2013/107561 A1 . The document US 2009/207612 A1 shows an emergency vehicle signaling ramp comprising interchangeable modules of different types.

La présente invention vise à pallier ces inconvénients en proposant un module optique compact comportant une source lumineuse à diode, présentant une pièce standard apte à recevoir des pièces complémentaires différentes et facilement assemblables de manière à fournir à la demande différents type de feux.The present invention aims to overcome these drawbacks by proposing a compact optical module comprising a diode light source, having a standard part capable of receiving different complementary parts and easily assembled so as to provide different types of lights on demand.

A cet effet l'invention propose un système d'éclairage pour véhicule comprenant un ensemble de modules optiques compacts pour véhicule, conçu afin d'obtenir plusieurs types de feux, les modules comportant des pièces différenciées selon le type de feu, chaque module comprenant un réflecteur (5) associé à une source lumineuse, comportant au moins une LED, et à et une lentille, assemblés sur un support, le support étant identique pour tous les types de feux, et le réflecteur comportant à l'arrière en partie haute, en porte à faux une platine ajourée placée horizontalement, pour recevoir un porte (6) source lumineuse.To this end, the invention proposes a lighting system for a vehicle comprising a set of compact optical modules for a vehicle, designed to obtain several types of lights, the modules comprising differentiated parts according to the type of light, each module comprising a reflector (5) associated with a light source, comprising at least one LED, and with and a lens, assembled on a support, the support being identical for all types of lights, and the reflector comprising at the rear in the upper part, cantilevered a perforated plate placed horizontally, to receive a door (6) light source.

Avantageusement, le support reçoit la lentille suivant la direction de l'axe longitudinal du module, permettant une bonne intégration et, en se montant facilement sur le support.Advantageously, the support receives the lens in the direction of the longitudinal axis of the module, allowing good integration and, easily mounting on the support.

Selon une variante, le support comporte vers l'avant des zones avancées par rapport aux parois latérales dont les extrémités sont arrondies. Ce qui permet de faciliter le montage de la lentille.According to one variant, the support comprises forward areas with respect to the side walls, the ends of which are rounded. This facilitates the assembly of the lens.

De manière optionnelle, les zones avancées du support comportent des aménagements pour assurer le centrage et le clippage de la lentille. Ces aménagements sont facilement réalisables et peu onéreux.Optionally, the advanced areas of the support include arrangements to ensure centering and the clipping of the lens. These arrangements are easily achievable and inexpensive.

Selon un mode de réalisation préféré de l'invention, la lentille comporte à chacun de ses bords longitudinaux des languettes comportant à leurs extrémités des appendices. Ce qui permet un bon aggripage des languettes.According to a preferred embodiment of the invention, the lens comprises at each of its longitudinal edges tabs comprising appendages at their ends. This allows a good grip of the tabs.

Selon une variante, le support reçoit le réflecteur suivant l'axe longitudinal du module.According to one variant, the support receives the reflector along the longitudinal axis of the module.

Avantageusement, les zones avancées du support comportent vers l'arrière des aménagements pour assurer le centrage et le clippage du déflecteur.Advantageously, the advanced areas of the support include rearward arrangements for centering and clipping the deflector.

Selon une autre variante, le réflecteur comporte vers l'avant deux languettes dont les dimensions des extrémités sont identiques aux zones avancées du support.According to another variant, the reflector comprises two tabs towards the front, the dimensions of the ends of which are identical to the advanced zones of the support.

De façon avantageuse, les languettes du réflecteur viennent coiffer les zones avancées du support qui comporte des aménagements permettant le clippage du réflecteur.Advantageously, the tongues of the reflector cover the advanced areas of the support which comprises arrangements allowing the reflector to be clipped.

Selon une variante, la platine ajourée comporte des aménagements sur laquelle vient se clipper le porte source lumineuse, ce qui permet une mise en œuvre facile.According to one variant, the perforated plate comprises arrangements onto which the light source holder is clipped, which allows easy implementation.

L'invention concerne également un véhicule comprenant un module optique compact comprenant un réflecteur associé à une source lumineuse et une lentille, ayant les caractéristiques susmentionnées.The invention also relates to a vehicle comprising a compact optical module comprising a reflector associated with a light source and a lens, having the aforementioned characteristics.

L'invention sera bien comprise et d'autres aspects et avantages apparaîtront clairement à la lecture de la description qui suit donnée à titre d'exemple par rapport aux figures annexées sur lesquelles :

  • la figure 1 présente une vue éclatée en perspective suivant l'axe longitudinale d'un module optique compact suivant l'invention ;
  • la figure 2 présente une vue de profil en coupe d'un module optique compact et standardisé suivant un premier mode de réalisation de l'invention ;
  • la figure 3 présente une vue de profil en coupe d'un module optique compact et standardisé suivant un second mode de réalisation de l'invention.
The invention will be well understood and other aspects and advantages will appear clearly on reading the following description given by way of example with respect to the appended figures in which:
  • the figure 1 presents an exploded perspective view along the longitudinal axis of a compact optical module according to the invention;
  • the figure 2 presents a sectional profile view of a compact and standardized optical module according to a first embodiment of the invention;
  • the figure 3 presents a sectional side view of a compact and standardized optical module according to a second embodiment of the invention.

La figure 1 présente une vue éclatée en perspective suivant son axe 2 longitudinale d'un module optique 1 compact suivant l'invention. Le module optique 1 est constitué uniquement de quatre pièces assemblées suivant l'axe 2 longitudinal. Le module optique 1 comprend un support 3 formé des parois latérales 3a, 3b et des parois inférieure et supérieure 3c, 3d ayant une forme rectangulaire suivant l'axe 2. Une lentille 4 fixée à l'avant du support 3, un réflecteur 5 fixé à l'arrière du support 3, le réflecteur 5 recevant lui-même à l'arrière le porte 6 source lumineuse sur une platine ajourée 5a constitutive du réflecteur 5. La lentille 4 comporte à chacun de ses bords longitudinaux des languettes 4a, 4b comportant à leurs extrémités des appendices 4c, 4d. Au bord inférieur, la languette 4a est longitudinale et l'appendice 4c est un rebord ménagé à l'extrémité. Au bord supérieur, la languette 4b est radiale et dirigée vers l'intérieur du module optique 1, l'appendice 4d est également un rebord ménagé à son extrémité. Les parois inférieure et supérieure du support 3 sont réalisées sous forme de zones avancées 3c, 3d vers l'avant par rapport aux parois latérales dont les extrémités sont arrondies. Ces zones avancées 3c, 3d comportent des aménagements 3e, 3f sous forme d'orifices ou d'ouvertures aptes à guider et à clipper les appendices 4c, 4d des languettes 4a, 4b de la lentille 4. Le clippage de la lentille 4 est réalisé en la déplaçant sur l'axe 2 suivant la flèche 10. Le réflecteur 5 comporte une parabole constituant le fond du réflecteur 5, prolongée vers l'avant par des pans 5a, 5b inférieure et supérieure. Ces pans ont des dimensions aux extrémités identiques aux zones avancées du support. Les pans 5a, 5b comportent dans leur partie interne des aménagements 5c, 5d sous forme d'orifices ou d'appendices permettant le clippage du réflecteur 5, en le déplaçant sur l'axe 2 suivant la flèche 11. A cet effet, les pans 5a, 5b du réflecteur 5 viennent coiffer les zones avancées 3c, 3d du support 3 qui comportent les aménagements 3e, 3f nécessaires permettant le clippage du réflecteur 5. Le fond de la parabole 5e comporte, à l'arrière en partie haute, en porte à faux, venu de matière, une platine 5f ajourée placée horizontalement comportant des aménagements 5g permettant le clippage du porte 6 source lumineuse. Le porte 6 source lumineuse est constitué sous la forme d'une platine 5f possédant des découpes spécifiques, comportant une source lumineuse sous la forme d'une ou plusieurs LED (non visible sur la figure).The figure 1 presents an exploded perspective view along its longitudinal axis 2 of a compact optical module 1 according to the invention. The optical module 1 consists only of four parts assembled along the longitudinal axis 2. The optical module 1 comprises a support 3 formed of the side walls 3a, 3b and the lower and upper walls 3c, 3d having a rectangular shape along the axis 2. A lens 4 fixed to the front of the support 3, a reflector 5 fixed. at the rear of the support 3, the reflector 5 itself receiving at the rear the light source holder 6 on a perforated plate 5a constituting the reflector 5. The lens 4 has at each of its longitudinal edges tongues 4a, 4b having at their ends appendages 4c, 4d. At the lower edge, the tongue 4a is longitudinal and the appendix 4c is a rim formed at the end. At the upper edge, the tab 4b is radial and directed towards the inside of the optical module 1, the appendix 4d is also a rim formed at its end. The lower and upper walls of the support 3 are made in the form of advanced zones 3c, 3d towards the front relative to the side walls, the ends of which are rounded. These advanced zones 3c, 3d include arrangements 3e, 3f in the form of orifices or openings capable of guiding and clipping the appendages 4c, 4d of the tabs 4a, 4b of the lens 4. The lens 4 is clipped. by moving it on axis 2 along arrow 10. The reflector 5 comprises a parabola constituting the bottom of the reflector 5, extended towards the front by panels 5a, 5b lower and upper. These panels have dimensions at the ends identical to the advanced areas of the support. The panels 5a, 5b comprise in their internal part arrangements 5c, 5d in the form of orifices or appendages allowing the reflector 5 to be clipped, by moving it on the axis 2 along arrow 11. For this purpose, the panels 5a, 5b of the reflector 5 come to cover the advanced zones 3c, 3d of the support 3 which comprise the necessary arrangements 3e, 3f allowing the clipping of the reflector 5. The bottom of the parabola 5e comprises, at the rear in the upper part, a door wrongly, come from material, a perforated plate 5f placed horizontally comprising arrangements 5g allowing the clipping of the door 6 light source. The light source holder 6 is formed in the form of a plate 5f having specific cutouts, comprising a light source in the form of one or more LEDs (not visible in the figure).

La figure 2 présente une vue de profil en coupe d'un module optique 1 compact et standardisé suivant un premier mode de réalisation de l'invention. Le module optique 1 comprend le support 3 commun pour tous les types de modules, constituant l'ossature du module optique 1 sur lequel vient se clipper, la lentille 4 suivant l'axe longitudinal à l'avant du support 3 et le réflecteur 5 suivant l'axe longitudinal à l'arrière du support 3. Le porte 6 source lumineuse étant lui-même clippé sur le réflecteur 5. La lentille 4 comporte deux faces bombées et le foyer parabolique 5e du réflecteur 5 est situé à proximité de la source lumineuse 7 et couvre la moitié supérieure de la hauteur de la lentille 4. Ce module optique 1 comporte un réflecteur 5 ayant un foyer « elliptique » dans lequel la LED émet un rayonnement 10 suivant un cône, ce rayonnement 10 est capté par une petite parabole (petite focale), cette lumière est convergée suivant un point de focale prédéterminé/calculé, puis cette lumière est redirigée dans l'axe du module optique 1 par le biais de la lentille 4 de forme elliptique. La lentille 4 est relativement épaisse, d'aspect, la lentille 4 sera perçue comme lumineuse plutôt que la parabole du réflecteur 5.The figure 2 presents a sectional side view of a compact and standardized optical module 1 according to a first embodiment of the invention. The optical module 1 comprises the support 3 common for all types of modules, constituting the framework of the optical module 1 on which is clipped, the lens 4 along the longitudinal axis in front of the support 3 and the reflector 5 following the longitudinal axis at the rear of the support 3. The light source holder 6 itself being clipped onto the reflector 5. The lens 4 has two curved faces and the parabolic focus 5e of the reflector 5 is located near the light source 7 and covers the upper half of the height of the lens 4. This optical module 1 comprises a reflector 5 having an "elliptical" focus in which the LED emits radiation 10 following a cone, this radiation 10 is picked up by a small parabola ( small focal length), this light is converged along a predetermined / calculated focal point, then this light is redirected along the axis of the optical module 1 through the lens 4 of elliptical shape. Lens 4 is relatively thick, in appearance, the lens 4 will be perceived as luminous rather than the parabola of the reflector 5.

La figure 3 présente une vue de profil en coupe d'un module optique 1 compact et standardisé suivant un second mode de réalisation de l'invention. Le module optique 1 comprend le support 3 commun pour tous les types de modules, constituant l'ossature du module optique 1 sur lequel vient se clipper, la lentille 4 suivant l'axe longitudinal à l'avant du support 3 et le réflecteur 5 suivant l'axe longitudinal à l'arrière du support 3. Le porte 6 source lumineuse 7 étant lui-même clippé sur le réflecteur 5. La lentille 4 comporte sa face avant bombée et sa face arrière concave et le foyer parabolique 5e du réflecteur 5 couvre toute la hauteur de la lentille 4. Ce module optique 1 comporte un réflecteur 5 ayant un foyer « classique » dans lequel la LED émet un rayonnement 11 suivant un cône, ce rayonnement 11 est redirigé dans l'axe par le biais de la parabole du réflecteur 5, ce rayonnement 11 traverse ensuite la lentille 4 qui ne modifie pas le trajet des rayons lumineux. Dans cette configuration, la lentille est plus mince, la parabole doit être suffisamment grande (grande focale) afin qu'à une certaine distance, le module optique en fonctionnement soit perçu comme possédant une dimension lumineuse relativement importante. La parabole du réflecteur 5 va être perçue comme lumineuse par rapport à la lentille 4.
Ainsi, le module optique 1 peut avantageusement être décliné en plusieurs type de feux, tout en possédant des pièces communes telles que le support 3 et éventuellement le porte 6 source lumineuse, tout en offrant une gamme d'assemblage des différentes pièces entre elles simple et facile.The figure 3 presents a sectional side view of a compact and standardized optical module 1 according to a second embodiment of the invention. The optical module 1 comprises the support 3 common for all types of modules, constituting the framework of the optical module 1 on which is clipped, the lens 4 along the longitudinal axis in front of the support 3 and the reflector 5 following the longitudinal axis at the rear of the support 3. The light source holder 6 7 is itself clipped onto the reflector 5. The lens 4 has its convex front face and its concave rear face and the parabolic focus 5e of the reflector 5 covers the entire height of the lens 4. This optical module 1 comprises a reflector 5 having a "conventional" focus in which the LED emits radiation 11 along a cone, this radiation 11 is redirected in the axis through the parabola of the reflector 5, this radiation 11 then passes through lens 4 which does not modify the path of the light rays. In this configuration, the lens is thinner, the parabola must be sufficiently large (large focal length) so that at a certain distance, the optical module in operation is perceived as having a relatively large luminous dimension. The parabola of the reflector 5 will be perceived as luminous compared to the lens 4.
Thus, the optical module 1 can advantageously be available in several types of lights, while having common parts such as the support 3 and possibly the light source holder 6, while offering a range of simple and easy assembly of the different parts.

Claims (11)

  1. A lighting system (1) for a vehicle comprising a set of compact optical modules for a vehicle, designed to obtain several types of lights, the modules comprising parts differentiated according to the type of light, each module comprising a reflector (5) associated with a light source (7), comprising at least one LED and a lens (4), assembled on a support (3), characterised in that the support (3) is identical for all types of lights, and in that the reflector (5) comprises at the rear in the upper part, cantilevered at the top, a perforated plate (5f) placed horizontally to receive a light source bracket (6).
  2. Lighting system (1) according to claim 1, characterised in that the support (3) receives the lens (4) in the direction of the longitudinal axis (2) of the module.
  3. Lighting system (1) according to one of claims 1 or 2, characterised in that the carrier (3) has forwardly projecting areas (3c, 3d) relative to the side walls (3a, 3b), the ends of which are rounded.
  4. Lighting system (1) according to claim 3, characterised in that the advanced zones (3c, 3d) of the support (3) have arrangements (3e, 3f) for centring and clipping the lens (4).
  5. Lighting system (1) according to any one of the preceding claims, characterised in that the lens (4) has at each of its longitudinal edges tongues (4a, 4b) with appendages (4c, 4d) at their ends.
  6. Lighting system (1) according to any one of the preceding claims, characterised in that the support (3) receives the reflector (5) along the longitudinal axis (2) of the optical module (1).
  7. Lighting system (1) according to any one of claims 2 or 4, characterised in that the forward zones (3c, 3d) of the support (3) have rearwardly located arrangements (3g, 3h) to ensure the centring and clipping of the reflector (5).
  8. Compact lighting system (1) according to any one of claims 1, 6, 7, characterised in that the reflector (5) has towards the front two tongues (5a, 5b) whose end dimensions are identical to the advanced zones (3c, 3d) of the support (3).
  9. Lighting system (1) according to any one of claims 1, 6, 7 or 8), characterised in that the tongues (5a, 5b) of the reflector (5) cover the forward zones (3c, 3d) of the support (3) which has fittings (3a, 3b) allowing the reflector (5) to be clipped on.
  10. Compact lighting system (1) according to claim 1, characterised in that the perforated plate (5f) has fittings (5g) on which the bracket (6) of the light source (7) is clipped.
  11. Vehicle comprising a Lighting System (1) according to any one of claims 1 to 10.
EP14809074.9A 2014-10-31 2014-10-31 Compact optical module for vehicle Active EP3212992B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FR2014/052780 WO2016066908A1 (en) 2014-10-31 2014-10-31 Compact optical module for vehicle

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EP3212992A1 EP3212992A1 (en) 2017-09-06
EP3212992B1 true EP3212992B1 (en) 2020-10-07

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EP (1) EP3212992B1 (en)
CN (1) CN107076379B (en)
WO (1) WO2016066908A1 (en)

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Also Published As

Publication number Publication date
EP3212992A1 (en) 2017-09-06
WO2016066908A1 (en) 2016-05-06
CN107076379A (en) 2017-08-18
CN107076379B (en) 2020-08-07

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