EP2598793A1 - Optisches modul einer beleuchtungs- und/oder signalisierungsvorrichtung eines kraftfahrzeuges - Google Patents

Optisches modul einer beleuchtungs- und/oder signalisierungsvorrichtung eines kraftfahrzeuges

Info

Publication number
EP2598793A1
EP2598793A1 EP11738199.6A EP11738199A EP2598793A1 EP 2598793 A1 EP2598793 A1 EP 2598793A1 EP 11738199 A EP11738199 A EP 11738199A EP 2598793 A1 EP2598793 A1 EP 2598793A1
Authority
EP
European Patent Office
Prior art keywords
support
folder
reflector
module according
optical module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11738199.6A
Other languages
English (en)
French (fr)
Other versions
EP2598793B1 (de
Inventor
Christophe Thullier
Julie Wong
Jean-Luc Meyrenaud
Frédéric Moret
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
Priority claimed from FR1056095A external-priority patent/FR2965039B1/fr
Priority claimed from FR1057146A external-priority patent/FR2964724B1/fr
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP2598793A1 publication Critical patent/EP2598793A1/de
Application granted granted Critical
Publication of EP2598793B1 publication Critical patent/EP2598793B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • 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
    • 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
    • F21S41/20—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
    • F21S41/32—Optical layout thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • 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
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—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
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
    • F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/30—Fog lights

Definitions

  • Optical module of lighting and / or signaling device of a motor vehicle Optical module of lighting and / or signaling device of a motor vehicle.
  • the present invention relates to an optical module of a lighting and / or signaling device of a motor vehicle.
  • the object of the invention is to provide an optical module of lighting and / or signaling device remedying the disadvantages mentioned above and improving the optical modules known from the prior art.
  • the invention proposes an optical module of simple structure and in which the dimension chains are also simple.
  • the optical module of lighting and / or signaling device of a motor vehicle comprising a support, an optical lens and a heat exchanger.
  • the optical lens and the exchanger are attached to said support and the support connects the optical lens to the heat exchanger.
  • the support directly supports the lens and directly supports the heat exchanger.
  • the support may be intended to be mounted directly or indirectly on the housing of the lighting and / or signaling device and inside this housing.
  • the support may also support a fan and / or at least one light reflector and / or folder and / or air channeling means.
  • the support directly supports the fan and / or the at least one light reflector and / or the folder and / or the air channeling means.
  • the support may comprise means for positioning the optical lens and / or the fan and / or the at least one light reflector and / or the folder and / or the heat exchanger, these means cooperating with means positioning devices provided on the optical lens and / or the fan and / or the at least one light reflector and / or the folder and / or the heat exchanger.
  • the optical module may comprise first and second light sources for providing two distinct lighting and / or signaling functions. The first and second sources may together be intended to provide a high beam-type lighting function and the second source alone may be intended to provide a low beam type of lighting function.
  • the optical module may include a light source for providing an anti-fog function.
  • the support may be able to be mounted in rotation in a lighting device and / or signaling unit of a motor vehicle. Thus, it is possible to orient the axis of the optical module according to curves negotiated by the vehicle.
  • the optical module may comprise a base intended to be fixed to the lighting device and / or signaling unit of the motor vehicle and comprising first articulation means intended to be secured to the support so as to allow the rotation of the support relative to to the case.
  • the support may comprise a pin intended to cooperate with a port of the base, for example a pin at the top of the support and a below, the axis passing through these pins corresponding to the axis of rotation of the module by compared to the case.
  • the base may include an operating mechanism for orienting the support relative to the housing.
  • the base may comprise a drive mechanism, from which a drive shaft cooperating with a module orifice, preferably the support, comes out so as to drive the support in rotation.
  • the support may be indirectly connected to the base by an intermediate piece, for example a frame.
  • the support may then comprise fixing lugs fixed to the frame.
  • the frame includes in this case the means cooperating with the first means of articulation of the base, for example a pin at the top and a hole at the bottom, the tenon rotating in the upper orifice of the base and the receiving orifice. the drive shaft.
  • the optical lens can be positioned and fixed to the support in the front part of the latter and the heat exchanger can be positioned and fixed to the support under the latter.
  • the optical module may comprise a first and a second light source positioned and fixed on the heat exchanger.
  • the optical module may comprise a first reflector positioned relative to the support and fixed to the support, under the support, between the support and the heat exchanger.
  • the optical module may comprise a second reflector positioned relative to the support and fixed to the support, under the support and the heat exchanger.
  • the optical module may comprise a folder positioned and fixed on the support.
  • the optical module may comprise a fan positioned and fixed on the support, for example above the support and / or behind it.
  • the lighting and / or signaling device may comprise a housing in which the support is mounted.
  • the invention also relates to a motor vehicle comprising a lighting and / or signaling device as defined above.
  • an optical module for a lighting and / or signaling device for a motor vehicle comprising a reflector associated with a light source, in particular comprising an LED.
  • this reflector being formed on a part, in particular monolithic, namely made in one piece, provided with a cooling opening for a circulation of cooling air.
  • the module comprises a heat exchanger provided with one or more cooling fins extending at least partially in the cooling opening and, if appropriate, said part on which the reflector is formed comprises a rear wall, in particular rounded , partially enveloping this or these fins.
  • the reflector comprises a wall, in particular curved, arranged to serve to guide the air leaving the cooling opening.
  • the module may comprise a support, an optical lens and a heat exchanger, and the optical lens and the heat exchanger are both carried by said support.
  • the support is advantageously made in one piece, thus being monolithic, obtained in particular by molding a plastic material.
  • the support has a recess for at least partially receiving a reflector.
  • the module comprises first and second reflectors, in particular each associated with at least one dedicated light source, characterized in that one of the reflectors forms with the support a receiving chamber the other reflectors, allowing in particular to have a relatively compact module.
  • the support comprises at least one fixing arm, in particular two fixing arms, arranged to allow the attachment, in particular by gluing, of the lens, this or these arms extending in projecting towards the front of the support, this or these arms being preferably connected to an annular portion of the support.
  • the lens advantageously comprises at least one edge, in particular two opposite edges, in particular substantially rectilinear (s), this or these edges being arranged to be fixed on the arm or arms of the support.
  • the lens may comprise at least one fixing lug for fixing the lens to the support, this lug being formed in particular on the straight edge, this lug being able to cooperate in particular with one or more pins on the support bar of the support.
  • At least one of the first and second reflectors is made in one piece.
  • the reflector comprises, where appropriate, two reflective surfaces each associated with a light source.
  • the subject of the invention is also an optical module for a lighting and / or signaling device for a motor vehicle, in particular a light projector, comprising:
  • a light source comprising in particular at least one LED
  • a reflector arranged to reflect light coming from the light source
  • This folder is preferably fixed in the module immovably with respect to the light source.
  • the folder is provided with lower and upper reflecting faces, preferably connected by forming a bevel having an acute angle, this angle being in particular less than 15 °, or even less than 5 °, or even less than 2 ° or even less than 1 °. This makes it possible in particular to obtain improved optical performance, particularly with regard to a cut in the light beam.
  • these faces of the folder are locally flat, and preferably these faces are non-parallel to each other.
  • the folder is formed on a monolithic piece, namely made in one piece, preferably metal to ensure in particular a better thermal resistance against heat from the light source or the device or the sun.
  • the folder has a cutting edge, preferably with a step, to make a cut in the beam.
  • the folder comprises at least one machined reflecting face.
  • the folder is formed on a part arranged at a non-zero distance from the heat exchanger.
  • the folder may comprise front and rear edges, preferably substantially parallel, and in particular substantially rectilinear, the one or more reflective faces of the folder extending between these edges, which are in particular perpendicular to the optical axis of the module.
  • the folder advantageously comprises at least one attachment lug, in particular lateral, arranged to allow its attachment to the support.
  • the folder comprises two attachment lugs at the opposite ends of the folder, these ears disposed in particular at the ends of the folder in the direction of the largest dimension.
  • the direction of the largest dimension of the folder is advantageously substantially perpendicular to an optical axis of the module.
  • the appended drawing shows, by way of example, two embodiments of an optical module of a motor vehicle according to the invention.
  • FIG. 1 is an exploded view of a first embodiment of an optical module according to the invention.
  • FIG. 2 is a longitudinal section of the first embodiment of the optical module according to the invention.
  • Figure 3 is a longitudinal section of the first embodiment of the optical module according to the invention.
  • FIG. 4 is an exploded view of a second embodiment of the optical module according to the invention.
  • FIG. 5 is a perspective view of the second embodiment of the optical module according to the invention.
  • a first embodiment of an optical module 1 lighting and / or signaling device is described hereinafter with reference to FIGS. 1 to 3.
  • the optical module of a lighting device and / or signaling is an optical module 1 with two functions:
  • the optical module 1 mainly comprises a support 2, an optical lens 3, a fan 5, a heat exchanger, such as a radiator 4, a first reflector 6, a second reflector 7 and a folder 8.
  • the support comprises means 30 for positioning and for fixing the optical lens 3 on the support. These means cooperate with positioning and fixing means 31 provided on the optical lens 3.
  • the optical lens is thus supported by the support.
  • the optical lens is directly supported by the support.
  • the support comprises means 32 for positioning and fixing the radiator 4 on the support. These means cooperate with means 33 for positioning and fixing provided on the radiator.
  • the radiator is thus supported by the support. Preferably, the radiator is directly supported by the support.
  • the support comprises means 34 for positioning and for fixing the fan 5 on the support. These means cooperate with positioning and fixing means 35 provided on the fan.
  • the fan is thus supported by the support. Preferably, the fan is supported directly by the support.
  • the support comprises means 36 for positioning and for fixing the first reflector 6 on the support. These means 37 cooperate with positioning and fixing means provided on the first reflector 6. Alternatively, the support may have only means for fixing the first reflector 6 on the support. Positioning means may be provided on the first reflector to cooperate with positioning means on the radiator or on a first light source, so as to position the first reflector relative to the first light source.
  • the first reflector is thus supported by the support. Preferably, the first reflector is supported directly by the support. Alternatively again, the first reflector may be positioned on the radiator and supported by the radiator.
  • the support comprises means 38 for positioning and for fixing the second reflector 7 on the support. These means cooperate with positioning and fixing means 39 provided on the second reflector 7. Alternatively, the support may have only means for fixing the second reflector 7 on the support. Positioning means may be provided on the second reflector to cooperate with positioning means on the radiator or on a second light source, so as to position the second reflector relative to the second light source. The second reflector is thus supported by the support. Preferably, the second reflector is supported directly by the support. Alternatively again, the second reflector may be positioned on the radiator and supported by the radiator.
  • the support comprises means for positioning and fixing the folder 8 on the support. These means cooperate with positioning and fixing means provided on the folder 8. Alternatively, the support may have only fastening means of the folder 8 on the support.
  • Positioning means may be provided on the folder to cooperate with positioning means on the radiator or the first light source, so as to position the folder relative to the first source of light.
  • the folder is thus supported by the support.
  • the folder is supported directly by the support.
  • the folder can be positioned on the radiator and supported by the radiator.
  • the support comprises means 38 for positioning and for fixing a guide 13 of airflow on the support. These means cooperate with positioning and fixing means 39 provided on the guide 13.
  • the airflow guide may be integral with the second reflector, as in FIGS. 1 to 5. The air guide is thus supported. by the support. Preferably, the guide is supported directly by the support.
  • the first light source comprises a first light-emitting diode mounted on a first printed circuit 9 and a second light-emitting diode mounted on a second printed circuit 10.
  • These printed circuits 9 and 10 are preferably positioned and fixed on the radiator 4.
  • the light beams emitted by the first source are reflected by a reflecting surface January 1 of the first reflector before being partially reflected by the folder 8 and deflected by the optical lens 3.
  • These various elements constitute a first optical system for generating a beam light with cut-off type of passing light.
  • the reflecting surface 1 1 has a first ellipsoid-shaped portion and a second ellipsoid-shaped portion, the first diode being at least substantially at the first focus of the first ellipsoidal portion, the second diode being at least less substantially at the first focus of the second ellipsoidal portion and the folder being at least substantially at the second foci of the first and second ellipsoidal portions.
  • the folder is preferably also located at the focal point of the optical lens 3.
  • the second light source comprises a third light-emitting diode mounted on a third printed circuit 19. This printed circuit 19 is preferably positioned and fixed on the radiator 4.
  • the light beams emitted by the second source are reflected by a reflecting surface 12 of the second reflector 7 before being deflected by the optical lens 3.
  • These different elements constitute a second optical system for generating a complementary portion of the light beam generated by the first optical system so that the first and second beams additionally produce a light beam type road light.
  • the reflecting surface 12 is ellipsoid-shaped.
  • the third diode is at least substantially at the first focus of the reflecting surface 12 and the focus of the optical lens 3 is at least substantially at the second focus of the reflecting surface 12.
  • the various components of the optical systems namely: light sources, reflectors, folder and optical lens are positioned precisely relative to each other.
  • the string of dimensions positioning the light sources with respect to the reflectors or with respect to the optical lens pass through the radiator and the support.
  • the string of dimensions positioning the light sources relative to the reflectors only pass through the radiator.
  • the various components of the optical systems are supported by the support indirectly or, preferably, directly.
  • the fan makes it possible to create an air flow 22 flowing between fins 18 of the radiator and channeled by a guide 13 to optimize the heat exchange between the air and the radiator.
  • the various printed circuits bearing the light-emitting diodes are fixed on the radiator and positioned relative to the radiator. They are therefore indirectly supported by the support 2, the radiator being fixed on the support.
  • the support also has fastening means for attachment to a structure of the motor vehicle.
  • the fixing means allow its attachment in a lighting device and / or signaling housing, this housing further having fastening means to the structure of the motor vehicle.
  • the support is preferably made by molding. It is for example made of metal or plastic, especially composite.
  • a second embodiment of the optical module according to the invention is described below with reference to FIGS. 4 and 5. It differs from the first embodiment only in the structure of the support 2.
  • the support 2 comprises first hinge means 2c which cooperates with second hinge means on a base 2b intended to be fixed in a housing of the lighting and / or signaling device.
  • the base forms for example a frame in which the support is articulated. This articulation is for example realized along a vertical axis, for example by a pivot connection.
  • a function of modifying the direction of the optical axis of the lighting and / or signaling device can be achieved when the motor vehicle negotiates a curve.
  • the base may also include a means of maneuver as a geared motor to control the orientation of the support and therefore that of the optical module.
  • the support may comprise as first articulation means a tenon (not shown), for example a tenon at the top of the support and a tenon below, the axis passing through these tenons corresponding to the axis of rotation of the module relative to the case.
  • the base may comprise as second means of articulation of the orifices intended to cooperate with the tenons.
  • the base 2b comprises a drive mechanism, from which a drive shaft 2d cooperating with an orifice of the module, preferably from the support 2, comes out so as to drive the support 2 in rotation.
  • the support 2 may be indirectly connected to the base 2b by an intermediate piece (not shown for the sake of clarity), for example a frame.
  • the support may then include securing lugs 2e attached to the frame.
  • the frame then comprises means cooperating with the second means of articulation of the base, for example a pin at the top and a hole at the bottom, the tenon rotating in the upper orifice 2c of the base and the orifice receiving the drive shaft 2d.
  • support a component means the action of taking up the forces exerted on the component and transmitting them to the structure of the motor vehicle, the efforts being in particular those, at a distance, due to forces acceleration like weight.
  • a component “directly” supporting a component directly takes the forces exerted on the component and transmits them to the vehicle structure automobile, that is to say that there is no intermediate part transmitting the forces between the component and the part.
  • an intermediate part can be provided if its only function is an interface function. In the latter case, despite the intermediate piece, it is considered that the part directly supports the component.
  • the optical module provides a first low beam function and a second high beam function.
  • the optical module according to the invention can perform any other function to replace one and / or the other of the first and second functions.
  • the optical module according to the invention can also provide only one lighting and / or signaling function, such as an anti-fog function.
  • the term "at least substantially” used with different adjectives means "adjective" or “substantially adjective", for example "at least substantially perpendicular” means "perpendicular" or “substantially perpendicular”.
  • the support 2 is made in one piece, the support being a monolithic piece.
  • This support 2 is for example made by plastic molding.
  • the second reflector 7 is formed on a piece, in particular monolithic, namely made in one piece, provided with a cooling opening 50 for a cooling air circulation, as illustrated in particular in Figures 1 and 2.
  • L heat exchanger 4 is provided with a plurality of cooling fins 51 extending opposite the cooling opening 50.
  • the reflector 7 has a curved wall 52 arranged to guide the air leaving the cooling opening 50.
  • the support 2 comprises a recess 55 for receiving the reflector 6, as can be seen in Figure 3 for example .
  • the reflector 7 forms with the support 2 a chamber 56 receiving the reflector 6, in particular to have a relatively compact module (see Figure 3).
  • the support 2 comprises two attachment arms 60 arranged to allow the attachment, in particular by gluing, of the lens 3, these arms 60 projecting towards the front of the support 2.
  • the lens 3 has two opposite straight edges 63 arranged to be fixed on the arms 60 of the support 2 (see FIG. 1).
  • the lens comprises, on each edge 63, a fixing lug 65 for fixing the lens 3 to the support 2, this lug 65 being able to cooperate with one or more pins 66 on the attachment arm 60 of the support (see FIG. 1) .
  • Each of the first and second reflectors 6 and 7 is made in one piece.
  • the reflector 6 has two reflecting surfaces each associated with a light source.
  • the folder 8 is made on a metal part, preferably a monolithic part.
  • the folder 8 is provided with lower 70 and upper 71 reflecting faces (see Figure 3 in particular), being connected by forming a bevel having an acute angle, this angle being in particular less than 15 °, or even less than 5 °, or lower at 2 ° or even less than 1 °.
  • the folder 8 is formed on a monolithic piece, namely made in one piece, preferably metal to ensure in particular a better thermal resistance against heat from the light source or the device or the sun.
  • the folder 8 has a cutoff edge 74, with a step 75 (see Figure 1).
  • the folder 8 is formed on a part arranged at a non-zero distance from the heat exchanger 4.
  • the folder 8 has front and rear edges 78, preferably substantially parallel, and in particular substantially rectilinear, the reflecting faces 70 and 71 of the folder 8 extending between these edges 78, which are in particular perpendicular to the optical axis x of the module.

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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)
EP11738199.6A 2010-07-26 2011-07-22 Optisches modul einer beleuchtungs- und/oder signalisierungsvorrichtung eines kraftfahrzeuges Active EP2598793B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1056095A FR2965039B1 (fr) 2010-07-26 2010-07-26 Module optique de dispositif d'eclairage et/ou de signalisation d'un vehicule automobile
FR1057146A FR2964724B1 (fr) 2010-09-09 2010-09-09 Module optique de dispositif d'eclairage et/ou de signalisation d'un vehicule automobile.
PCT/EP2011/062664 WO2012013601A1 (fr) 2010-07-26 2011-07-22 Module optique de dispositif d'eclairage et/ou de signalisation d'un vehicule automobile

Publications (2)

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EP2598793A1 true EP2598793A1 (de) 2013-06-05
EP2598793B1 EP2598793B1 (de) 2021-04-14

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EP11738199.6A Active EP2598793B1 (de) 2010-07-26 2011-07-22 Optisches modul einer beleuchtungs- und/oder signalisierungsvorrichtung eines kraftfahrzeuges

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US (2) US9121561B2 (de)
EP (1) EP2598793B1 (de)
CN (2) CN106885196B (de)
CA (1) CA2810385C (de)
WO (1) WO2012013601A1 (de)

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Also Published As

Publication number Publication date
US9500337B2 (en) 2016-11-22
EP2598793B1 (de) 2021-04-14
US20150369438A1 (en) 2015-12-24
CN106885196A (zh) 2017-06-23
US20140036523A1 (en) 2014-02-06
CN103119360A (zh) 2013-05-22
CN103119360B (zh) 2017-02-08
WO2012013601A1 (fr) 2012-02-02
US9121561B2 (en) 2015-09-01
CA2810385C (fr) 2018-04-10
CA2810385A1 (fr) 2012-02-02
CN106885196B (zh) 2022-03-04

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