EP3486554B1 - Module lumineux pour projecteur de vehicule - Google Patents

Module lumineux pour projecteur de vehicule Download PDF

Info

Publication number
EP3486554B1
EP3486554B1 EP18206137.4A EP18206137A EP3486554B1 EP 3486554 B1 EP3486554 B1 EP 3486554B1 EP 18206137 A EP18206137 A EP 18206137A EP 3486554 B1 EP3486554 B1 EP 3486554B1
Authority
EP
European Patent Office
Prior art keywords
optical element
optical
light
light module
optical elements
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.)
Active
Application number
EP18206137.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3486554A1 (fr
Inventor
Pascal GARIN
Rémi Letoumelin
Stephane Andre
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3486554A1 publication Critical patent/EP3486554A1/fr
Application granted granted Critical
Publication of EP3486554B1 publication Critical patent/EP3486554B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • 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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • F21S41/153—Light emitting diodes [LED] arranged in one or more lines arranged in a matrix
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • 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
    • F21S41/265—Composite lenses; Lenses with a patch-like shape

Definitions

  • the invention relates to the field of lighting and / or signaling devices for a motor vehicle. It relates more particularly to light modules intended to be mounted in a vehicle headlight.
  • Automotive headlamps usually consist of a housing which is closed by a transparent wall through which light rays pass.
  • This housing houses at least one light module, comprising mainly at least one light source and an optical system capable of modifying at least one parameter of the light generated by the light source for the emission of light rays capable then of passing through the transparent wall of the light source. projector to form regulatory light beams.
  • An optical system equipping a light module can comprise optical elements configured to direct the light rays towards a ray-shaping lens for the projection, at the output of the module and of the projector, of a regulatory light beam.
  • the light sources and the corresponding optical elements can in particular be configured to generate a first light beam, called high beam, and a second light beam, called low beam.
  • light sources for example light-emitting diodes, are fixed on a base forming a support also for the optical elements, so that the position of each other is reliable.
  • each of the optical elements can comprise openings formed in the thickness of the material, advantageously in end zones of these optical elements so as not to penalize the guiding of the light rays within them, and the mounting of the optical elements on them.
  • the fixing support is made so that these openings are placed opposite bores formed on the fixing support to allow fixing by screwing the optical element on the fixing support.
  • the document EP2306077 discloses a light module for a motor vehicle headlight according to the preamble of claim 1.
  • the object of the present invention is to alleviate at least one of the aforementioned drawbacks and to provide a light module making it possible to reduce its manufacturing and assembly cost while avoiding mechanically constraining the optical elements of such a light module.
  • the invention relates to a light module for a motor vehicle headlight, comprising at least two light sources, two optical elements configured respectively to ensure the guiding of light rays emitted by a light source, and a support for fixing against which the optical elements and the light sources are arranged, the optical elements comprising at least a first optical element associated with a first light source and a second optical element associated with a second light source, the light module comprising a frame for maintaining the optical elements on the fixing support, and each optical element being configured to emit a light beam in the direction of a shaping lens arranged at the output of the light module, characterized in that each of the optical elements has a portion central optic, forming an optical guide means, and lateral fins, arranged transversely on either side the other of the central optical portion.
  • the retaining frame it is possible to no longer mechanically constrain the optical elements. Indeed, the optical elements are no longer fixed on the fixing support by screwing.
  • the retaining frame is used to hold the optical elements pressed against the mounting bracket, so that no mechanical stress by screwing is exerted directly on the optical elements.
  • the retaining frame reduces the set of openings and bores formed respectively on the optical elements and on the mounting bracket. It will be understood that this has the effect of reducing the costs of machining and assembling such a light module.
  • only the retaining frame is fixed to the fixing support.
  • assembly steps it is envisaged, for example, to position, firstly, each of the optical elements before coming to position, in a second step, the retaining frame, so as to maintain each of the optical elements in support. against the mounting bracket and attach the retaining frame to the mounting bracket.
  • the maintenance of the optical elements by the retaining frame has the advantage of eliminating the mechanical stresses by screwing on these optical elements.
  • the mechanical stresses for screwing the optical elements are then offset on the retaining frame, which is designed to withstand mechanical stresses, the optical elements therefore being designed only by considering optical constraints, which makes it possible to improve the optical performance of the device. these elements.
  • Each of the optical elements has a central optical portion, forming an optical guide means, and lateral fins, arranged transversely on either side of the central optical portion.
  • the retaining frame is configured to at least partially cover the fins of each of the optical elements, i.e. the lateral ends of each of the optical elements. Such a covering advantageously makes it possible to exert a uniform force on the ends of the optical elements. It will be understood that the ends of the optical elements are clamped, or clamped, between the retaining frame and the fixing support.
  • the fins of each optical element can be arranged to be housed at least partly in correspondence in notches formed in the holding frame.
  • the fact of putting the fins of the optical elements in correspondence with notches of the retaining frame makes it possible to guarantee that the retaining frame, when it is attached to cover the lateral ends, or fins, of the optical elements, has a stable position against the mounting bracket. It will be understood that when the retaining frame is assembled on the fixing support, the optical elements are immobilized in their optical position.
  • a fin of an optical element can be housed in an associated notch in particular by virtue of a thickness of the concerned fin of identical dimension to a depth of the concerned notch.
  • each optical element can be formed by a first portion, arranged in the direct extension of the corresponding lateral end of the optical guide part, and by a second portion intended to be clamped between the retaining frame and the support of fixation.
  • the fins of the optical elements then make it possible to raise the optical guide means relative to a plane in which the fixing support extends.
  • each optical element each carry indexing pins configured to cooperate with orifices formed in the mounting bracket. Thanks to this characteristic, it is possible to position each optical element on the fixing support before the retaining frame is added to fix the position of the optical elements. This ensures that each optical element is correctly positioned relative to the fixing support. Thanks to this configuration for each optical element, it is possible to align at least one corresponding light source with the optical guiding means in order to ensure the correct orientation of the resulting light beam.
  • the indexing pins can be formed on the second portions of the fins.
  • fingers formed in notches of the retaining frame bear against the fins of at least one optical element. More particularly, at least one positioning finger is formed in the retaining frame, in the region of a notch of the retaining frame, said positioning finger being configured to bear against a fin of at least one optical element.
  • the positioning finger may include an elastic base, formed in the plane of the retaining frame and delimited by two cutouts in the area of the notch, and a stud protruding from the base to come to rest on the fin. Thanks to these fingers, it is possible to maintain a pressure on the fins of the optical elements without constraining them mechanically by pressure.
  • each base can be delimited by two cutouts made in the corresponding notch, The elasticity of the base then allows the pad to always be in contact with the corresponding fin, regardless of the variations in play between the fin and the housing from one module to another.
  • At least the first optical element is made of polymethyl methacrylate (PMMA). It will be understood that the same may apply to the second and third optical elements.
  • PMMA polymethyl methacrylate
  • the retaining frame To ensure the fixing of the retaining frame on the fixing support, provision is made for the retaining frame to include at least one fixing means on the fixing support of the light module. It will be understood that the retaining frame makes it possible to offset the mechanical stresses of screwing the optical elements, the retaining frame being fixed by screwing on the fixing support and the retaining elements being held only by pressure by the retaining frame against the support. of fixation. It will be understood that this means of fixing the retaining frame is advantageously arranged in areas remote from the notches so as not to mechanically constrain by screwing the fins of the optical elements in correspondence of these notches. Of course, to keep the retaining frame fixed against the fixing support, several fixing means can be provided.
  • the fixing means can be, for example, formed by a hole in the holding frame facing a bore in the fixing support of the light module.
  • the retaining frame hole and the corresponding bore of the mounting bracket being configured to receive a mounting screw.
  • the fixing support is a support for heat dissipation of the calories given off by the light sources.
  • the light module may comprise more than two optical elements, and in particular a third optical element may be associated with a third light source, it being understood that according to the invention, the holding frame is configured to hold each of the optical elements in position in position. enclosing them with the fixing bracket against which the retaining frame is fixed.
  • the first optical element can be arranged between the second optical element and the third optical element, in a light module configured to perform both a function of projecting a so-called passing beam. and a projection function of a so-called driving beam.
  • the first optical element can be configured to participate in the formation of a beam complementary to the beam formed by the second optical element, this beam formed by the second optical element consisting of a so-called crossing beam. It should be noted that an edge of the central optical portion of the first optical element can form a cutoff edge of the beam formed by the second optical element and its associated light source.
  • the addition of the beam formed by the second optical element and of the additional beam generates the formation of an overall beam of the high beam type.
  • the third optical element can be configured to allow the formation of an additional beam which over-intensifies the overall beam formed by the complementarity of said beam and additional beam.
  • the subject of the invention is a motor vehicle headlight comprising at least one light module as described above.
  • the figure 1 illustrates a light module 1 according to the invention, otherwise called an optical module, the function of which is to generate and project one or more light beams on a road.
  • a light module 1 is intended to be installed in a headlight of a motor vehicle not shown in the figures in order to facilitate understanding of the invention.
  • the headlight mentioned here generally comprises a rear housing closed at the front by a transparent glass, the latter being traversed by the light rays created by the light module according to the invention.
  • Such a projector can thus receive in its interior volume, delimited by the rear housing and the transparent glass, a plurality of light modules, and at least one light module according to the invention.
  • Such a light module 1 forms a unitary sub-assembly, that is to say an object which can fulfill its function without any other input than the electrical energy necessary for its ignition.
  • the light module 1 is arranged to create a low beam beam and a high beam beam, one after the other or both simultaneously. As will be explained in more detail below, the light module 1 is adapted so that the high beam is the combination of the low beam beam with a complementary beam.
  • the light module 1 comprises at least a plurality of light sources and a plurality of associated optical elements. It also comprises at least one lens 100 arranged at one end of the module so as to be traversed by the light rays emitted by the light sources and guided by the optical elements. Such a shaping lens 100 participates in the formation of the desired light beam, whether it is a beam of the low beam type or a beam of the high beam type. In other words, the shaping lens 100 forms a first longitudinal end of the light module 1.
  • the figure 1 also shows the presence of a casing 102 which has a substantially tubular shape and which extends between a base forming a fixing support 5 and the shaping lens, such a casing providing in particular the mechanical support of the shaping lens. shape, as well as a mechanical referencing of the position of the lens relative to the light sources and to the optical elements, so as to guarantee a determined position of the shaping lens relative to the light sources.
  • a casing 102 which has a substantially tubular shape and which extends between a base forming a fixing support 5 and the shaping lens, such a casing providing in particular the mechanical support of the shaping lens. shape, as well as a mechanical referencing of the position of the lens relative to the light sources and to the optical elements, so as to guarantee a determined position of the shaping lens relative to the light sources.
  • the fixing support 5 may have on its face opposite the casing 102 a heat dissipation member 104, intended to remove from the light module 1 at least part of the heat generated by the light sources.
  • the figure 2 shows a part of the light module 1, and in particular the fixing support 5 without the casing 102, so as to facilitate understanding of the arrangement in the light module 1 of the optical elements associated with the light sources here not visible.
  • these optical elements are fixed to the fixing support by means of a retaining frame 6, without it being necessary to provide specific fixing means for each optical element.
  • a light module will be described equipped with three optical elements respectively facing a light source, and the holding frame will be described as configured to allow the covering and fixing of these three elements. optical, but it will be understood that a retaining frame will be in accordance with the invention if it allows the plating against the fixing support, and therefore the maintenance in position, of a different number of optical elements, since they are at least two in number.
  • the light module 1 comprises a first optical element 2 configured to ensure the guiding of light rays emitted by a first light source, here not shown, a second optical element 3 configured to ensure the guiding of light rays emitted by a second source of light. light, here not shown, and a third optical element 4 configured to ensure the guidance of light rays emitted by a third light source, here not shown.
  • a light source is understood to mean one or more light sources forming a sub-assembly controlled to emit light rays configured to perform an optical function. More precisely, a first light source, or a first subset of light sources, is associated with the first optical element 2 to generate a first light beam, and a second light source, or a second subset of light sources, is associated with the second optical element 3 to generate a second light beam.
  • This second light beam corresponds to a beam of the low beam type, having a cut-off edge here formed by the edge 200 of the free end face 201 of the first optical element 2 which is located on the side of the second optical element.
  • the first light beam, emerging from this free end face of the first optical element thus has a beam shape complementary to the second light beam, such that the simultaneous emission of rays by the first and the second source participates in forming an overall beam of the main beam type.
  • a third light source or third subset of light sources, is associated with the third optical element 4 to generate light rays capable of over-intensifying the center of the overall beam of the high beam type.
  • Each of the optical elements has a general shape having a central optical portion, forming an optical guide portion, and lateral fins, arranged transversely on either side of the central optical portion.
  • the first optical element 2 comprises a first optical guide means 20 extended at its lateral ends by first fins 21
  • the second optical element 3 comprises a second optical guide means 30 extended at its lateral ends by second fins 31
  • the third optical element 4 comprises a third optical guide means 40 extended at its ends by third fins 41.
  • optical elements 2, 3, 4 are designed to be placed on a fixing support 5, and more particularly on a first face 50 of the fixing support.
  • the first optical element 2 is arranged on the fixing support 5 between the second and third optical elements 3, 4.
  • the light module is provided with a retaining frame 6 of the optical elements 2, 3, 4 against the fixing support 5.
  • the purpose of such a retaining frame 6 is to maintain the optical elements 2, 3, 4 against the fixing support 5 without exerting mechanical force by screwing directly on these optical elements.
  • the retaining frame comprises a first face 601 facing the fixing support and this first face 601 is intended to be positioned against the first face 50 of the fixing support in order to grip the optical elements.
  • the assembly of such a light module comprises a first step during which the optical elements 2, 3, 4 are arranged on the fixing support 5, respectively facing the light source to which they correspond to generate a light beam appropriate in the direction of the beam shaping lens of the module.
  • the retaining frame 6 is placed on the fixing support 5 by pressing the first face 601 of the frame against the first face 50 of the support, so as to cover the ends of the optical elements, before being fixed. by screwing onto the fixing support 5 using fixing means 7 described later. The ends of the optical elements are thus pressed by the retaining frame 6 against the fixing support 5, with a pressure force distributed uniformly between the ends of the optical elements.
  • the holding frame 6 is arranged around the optical guide means 20, 30, 40 of the optical elements 2, 3, 4 so that it does not penalize the realization of the optical function, c 'that is to say the guiding of the rays emitted by the sources towards the shaping lens 100 of the rays leaving the light module 1.
  • the fins 21, 31, 41 of the optical elements 2, 3, 4 are arranged to be housed in correspondence in notches 61, 62, 63 formed in the first face 601 of the retaining frame 6. These notches consist of a lesser area. thickness formed from the inner periphery 602 of the retaining frame 6, by machining the first face 601.
  • the first fins 21 formed at the lateral ends of the first optical element 2 are intended to be housed in a pair of first notches 61 of the retaining frame. support 6, respectively arranged on opposite edges of the support frame. Equivalently, the second fins 31 of the second optical element 3 are housed in second notches 62 of the retaining frame 6 and the third fins 41 of the third optical element 4 are housed in third notches 63 of the retaining frame 6.
  • the second optical element 3 comprises three second fins 31, and that the retaining frame 6 correspondingly comprises three second notches 62, in order to ensure the optical positioning of the second optical element 3, having a surface projected onto the fixing support 5 which is greater than that of the other optical elements.
  • the thickness of the fins 21, 31, 41 of the optical elements is substantially equal to the depth of the notches 61, 62, 63, the thickness and the depth being measured, when the optical elements and the retaining frame are assembled. , in a direction perpendicular to the plane in which the fixing support extends. So when the frame 6 is assembled on the fixing support 5, the positioning of the fins in the notches does not prevent the retaining frame 6 and the fins of the optical elements from being pressed against the fixing support 5.
  • the fins 21, 31, 41 of the optical elements 2, 3, 4 are configured to allow their housing in the notches 61, 62, 63 of the retaining frame 6, that is to say in a position pressed against the support of fixing 5, and to allow the optical guide parts 20, 30, 40 of these optical elements to be released longitudinally with respect to the plane of the fixing support to make room for the light sources themselves pressed against the fixing support.
  • a longitudinal offset is thus necessary between the fins and the optical guiding part of each optical element.
  • the fins of each optical element 2, 3, 4 are formed by a first portion 21A, 31A, 41A, arranged in the direct extension of the corresponding lateral end of the optical guide part 20, 30, 40, and by a second portion 21B, 31B, 41B intended to be housed in one of the corresponding notches 61, 62, 63 of the retaining frame 6.
  • the first portion 21A, 31A, 41A extends longitudinally, substantially parallel to the optical axis of the light module and therefore perpendicular to the fixing support, so that it is the length of this first portion which determines the distance of the guide part of the optical elements relative to the fixing support to leave room for light sources.
  • the second portion 21B, 31B, 41B extends the first portion 21A, 31A, 41A perpendicularly to form a bearing face parallel to the plane mainly defining the fixing support.
  • the ends of the optical elements 2, 3, 4 covered by the retaining frame 6 correspond to all or part of the second portions 21B, 31B, 41B fins 21, 31, 41.
  • This face of the second portion 21B, 31B, 41B comprises indexing pins 21C, 31C, 41C, configured to correspond in shape and dimensions with orifices formed in the fixing support 5. Thanks to this characteristic, it It is possible to pre-position each optical element 2, 3, 4 on the fixing support 5 before fixing the retaining frame 6. This guarantees that each optical element 2, 3, 4 is correctly positioned with respect to the fixing support 5 and with respect to light sources previously made integral with the fixing support, in particular by gluing on a printed circuit board integral with this fixing support and here not shown. It will be understood that this makes it possible, for each optical element 2, 3, 4, to align the optical guide means 20, 30, 40 of each optical element with a corresponding light source, or a subset of light sources.
  • the indexing pins 21C, 31C, 41C are formed on the second portions of the fins 21, 31, 41.
  • the optical elements 2, 3 , 4 are easily arranged on the fixing support 5, by contact of the second portions of the fins 21, 31, 41 against this fixing support, before these second portions are covered, in a second assembly step, by the frame of hold 6.
  • the optical elements 2, 3, 4 can be made of polymethyl methacrylate (PMMA) or any other material allowing the transmission of light rays in the direction of the shaping lens at the output of the light module. More particularly, it is appropriate that at least the guide means of the optical element is made of polymethyl methacrylate (PMMA), the fins possibly being overmolded on the guide means in order to be made with another material.
  • PMMA polymethyl methacrylate
  • the retaining frame 6 will now be described in more detail with particular reference to the figures 5 and 6 .
  • Fastening means 7 of the retaining frame 6 on the fastening support 5 of the light module 1 make it possible to fix the latter on the fastening support 5.
  • These fastening means 7 of the retaining frame 6 are formed by holes 70 in the holding frame 6 facing bores formed in the fixing support 5.
  • These fixing means 7 are formed on sections of the holding frame 6 different from the sections comprising the notches 61, 62, 63 and allowing to '' clamp the ends of the optical elements against the mounting bracket.
  • the holes 70 of the retaining frame 6 and their associated bores are each designed to receive a fixing screw 71 illustrated on figure 2 .
  • the fixing screws 71 press the retaining frame 6 against the fixing support 5.
  • the optical elements 2, 3, 4 are then also pressed and held by their fins 21, 31, 41 against the mounting bracket 5 via the retaining frame 6.
  • the retaining frame 6 is rectangular in shape and is formed by four branches 6A, 6B, 6C, 6D.
  • Two first branches 6A, 6B facing each other comprise the notches 61, 62, 63 and two second branches 6C, 6D of the retaining frame 6 each comprise at least one fixing means 7, namely here two means fixing 7.
  • the first branches 6A, 6B make it possible to hold the optical elements 2, 3, 4 against the fixing support 5 while the second branches 6C, 6D make it possible to fix the retaining frame 6 on the support fixing 5.
  • a second notch 62 may be provided on one of the second branches 6C, 6D to stabilize the optical position of the second optical element 3.
  • the retaining frame 6 comprises at least one positioning finger to participate in maintaining at least one optical element in place, and more particularly to participate in maintaining in place one end of an optical element in its corresponding notch.
  • the frame comprises a plurality of these positioning fingers 62A, 63A, which are respectively formed in the region of one of the notches, and more particularly here in the region of the second and third notches 62, 63 of the retaining frame 6 More particularly, the retaining frame comprises a pair of positioning fingers 62A arranged respectively at each of the second notches 62.
  • Each positioning finger has a base 64 configured as a flexible tongue at the end of which a stud 66 is formed to bear against the second portions of the fins of the optical elements to be held, here the second and third fins 31, 41.
  • each finger is defined in the wall of the retaining frame, in the area of the corresponding notch, by two cutouts 65, which allow flexibility of the tongue formed by the base.
  • the stud 66 of each finger forms a projecting element of the base, at the free end of the latter, which extends on the side of the first face 601 of the retaining frame. In this way, when positioning the retaining frame against the fixing support, the studs 66 bear against the second portions of the pre-positioned fins on the fixing support before the first face of the retaining frame is in contact. of the mounting bracket.
  • the flexibility of the base 64 carrying the stud 66 advantageously makes it possible to fill a clearance that may exist between the fin and the corresponding notch, for example, when the thickness of the fin is of a dimension smaller than the depth of the fin. corresponding notch.
  • the base of the positioning fingers 63A corresponding to the third notches 63 extends beyond the edge interior 602 of the retaining frame 6, in order to ensure a contact sufficiently distant from the free end of the fins of the optical element to be maintained in position. It is understood that the positioning fingers participate in holding the optical elements without mechanically constraining them.
  • a stiffening rib 67 is provided on the retaining frame 6 to reinforce its mechanical strength. As shown, the stiffening rib 67 delimits an outer contour 68 of the retaining frame 6. It should be noted that the fixing support 5 on which the retaining frame 6 is placed is a support for heat dissipation of the calories released by the light sources. .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP18206137.4A 2017-11-20 2018-11-14 Module lumineux pour projecteur de vehicule Active EP3486554B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1760928A FR3073926B1 (fr) 2017-11-20 2017-11-20 Module lumineux pour projecteur de vehicule

Publications (2)

Publication Number Publication Date
EP3486554A1 EP3486554A1 (fr) 2019-05-22
EP3486554B1 true EP3486554B1 (fr) 2021-06-16

Family

ID=60923744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18206137.4A Active EP3486554B1 (fr) 2017-11-20 2018-11-14 Module lumineux pour projecteur de vehicule

Country Status (4)

Country Link
US (1) US10663135B2 (zh)
EP (1) EP3486554B1 (zh)
CN (1) CN109812776B (zh)
FR (1) FR3073926B1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3097026B1 (fr) * 2019-06-04 2021-05-07 Psa Automobiles Sa Feu de signalisation comportant deux guides de lumière en porte à faux.
EP3971469A1 (en) * 2020-09-22 2022-03-23 Varroc Engineering Limited A vehicle headlamp assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2306077A2 (de) * 2009-10-05 2011-04-06 Automotive Lighting Reutlingen GmbH Kraftfahrzeugscheinwerfer mit einer Temperaturausdehnungen kompensierenden Optik-Halterung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010080075A (ja) * 2008-09-24 2010-04-08 Ichikoh Ind Ltd 車両用灯具
JP5680947B2 (ja) * 2010-12-03 2015-03-04 スタンレー電気株式会社 車両用灯具のレンズホルダ取付構造
JP5538307B2 (ja) * 2011-06-21 2014-07-02 本田技研工業株式会社 灯体及び車両用灯体ユニット
FR2982006B1 (fr) 2011-09-13 2018-04-27 Valeo Vision Module optique a reference commune, pour eclairage et/ou signalisation d'un vehicule automobile
WO2014185510A1 (ja) 2013-05-17 2014-11-20 市光工業株式会社 車両用前照灯
DE102014103379A1 (de) * 2014-03-13 2015-09-17 Hella Kgaa Hueck & Co. Lichtmodul mit einer verbesserten Positionierung einer optischen Einheit zu einem Leuchtmittel
US9534955B2 (en) * 2014-11-06 2017-01-03 Maxim Integrated Products, Inc. Multi-channel UV detection for improved solar spectrum and UV index estimation
EP3104061A1 (en) * 2015-06-09 2016-12-14 Chen-Wei Hsu A radiator for a headlight assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2306077A2 (de) * 2009-10-05 2011-04-06 Automotive Lighting Reutlingen GmbH Kraftfahrzeugscheinwerfer mit einer Temperaturausdehnungen kompensierenden Optik-Halterung

Also Published As

Publication number Publication date
CN109812776B (zh) 2022-01-28
FR3073926A1 (fr) 2019-05-24
FR3073926B1 (fr) 2020-11-13
US10663135B2 (en) 2020-05-26
EP3486554A1 (fr) 2019-05-22
CN109812776A (zh) 2019-05-28
US20190154224A1 (en) 2019-05-23

Similar Documents

Publication Publication Date Title
EP2775197B1 (fr) Dispositif d'éclairage et/ou de signalisation pour véhicule automobile, comportant un guide de lumière
EP3489576B1 (fr) Module lumineux pour l'éclairage et/ou la signalisation d'un véhicule automobile
CA2810385C (fr) Module optique de dispositif d'eclairage et/ou de signalisation d'un vehicule automobile
EP2966344B1 (fr) Module optique a lentille pour projecteur de vehicule automobile
EP3055611A1 (fr) Dispositif d'éclairage ou de signalisation de véhicule automobile et procédé d'assemblage correspondant
EP2966342B1 (fr) Module d'éclairage de projecteur pour véhicule automobile
EP2921772B1 (fr) Module lumineux d'un vehicule automobile
FR3103877A1 (fr) Elément optique et module lumineux d’un véhicule automobile équipé d’un tel élément optique
EP2966343B1 (fr) Module d'éclairage pour projecteur automobile avec positionnement entre dissipateur thermique et réflecteur/platine
EP3201522A1 (fr) Dispositif lumineux de vehicule avec des moyens de positionnement d'une carte electronique
EP3290791B1 (fr) Module lumineux de vehicule automobile a organe de refroidissement
CA2810700A1 (fr) Module optique de dispositif d'eclairage et/ou de signalisation d'un vehicule automobile
EP3486554B1 (fr) Module lumineux pour projecteur de vehicule
FR2994788A1 (fr) Module d'eclairage comprenant un dispositif de commande maintenu de maniere amovible sur un support
EP3299710A1 (fr) Module lumineux et dispositif lumineux pour vehicule auto-mobile comportant un tel module lumineux
FR3100863A1 (fr) Ensemble lumineux modulaire
EP3884206B1 (fr) Module lumineux multifonctions doté de deux guides de lumière de type plat
FR3022980A1 (fr) Module optique a lentille pour vehicule automobile
EP3502548B1 (fr) Module lumineux pour rojecteur de vehicule
FR3022977A1 (fr) Masque inferieur de module optique de vehicule automobile
FR3064721B1 (fr) Dispositif lumineux avec radiateur traversant le boitier
FR3088869A1 (fr) Dispositif de pré-positionnement et de maintien d’un élément sur un boitier
FR3022982A1 (fr) Masque inferieur de module optique pour vehicule automobile
FR3022981A1 (fr) Masque superieur de module optique de vehicule automobile

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20181114

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20200512

GRAC Information related to communication of intention to grant a patent modified

Free format text: ORIGINAL CODE: EPIDOSCIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20210112

INTG Intention to grant announced

Effective date: 20210112

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602018018610

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1402625

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210916

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1402625

Country of ref document: AT

Kind code of ref document: T

Effective date: 20210616

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20210616

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210917

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210916

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20211018

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602018018610

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

26N No opposition filed

Effective date: 20220317

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211114

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211130

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20211130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211130

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20211114

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230528

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20181114

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231120

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231124

Year of fee payment: 6

Ref country code: DE

Payment date: 20231107

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20210616