EP2957823A1 - Rotary lighting and/or signalling module - Google Patents

Rotary lighting and/or signalling module Download PDF

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Publication number
EP2957823A1
EP2957823A1 EP15171671.9A EP15171671A EP2957823A1 EP 2957823 A1 EP2957823 A1 EP 2957823A1 EP 15171671 A EP15171671 A EP 15171671A EP 2957823 A1 EP2957823 A1 EP 2957823A1
Authority
EP
European Patent Office
Prior art keywords
light source
frame
lighting
signaling
screen
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
EP15171671.9A
Other languages
German (de)
French (fr)
Other versions
EP2957823B1 (en
Inventor
Christophe Dubosc
Stephan Sommerschuh
Benoit Reiss
Ziyed Thabet
Antoine De Lamberterie
Brahim Elhachir
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 EP2957823A1 publication Critical patent/EP2957823A1/en
Application granted granted Critical
Publication of EP2957823B1 publication Critical patent/EP2957823B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
    • F21S41/635—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by moving refractors, filters or transparent cover plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to the field of lighting and / or signaling, especially for motor vehicles. More particularly, the invention relates to a lighting and / or signaling module for a motor vehicle, and a projector comprising such a module.
  • the document FR 2 817 212 describes a motor vehicle headlamp with a directional lighting function better known by the acronym DBL (Dynamic Bending Light).
  • the projector includes an optical system whose lighting direction is rotated, an output shaft coupled to the optical system for driving, an engine, and a rotational transmission mechanism coupled to the engine so that it is rotated. transmits the rotation of the motor to the output shaft, wherein the motor, the output shaft and the rotation transmission mechanism are placed in a housing body, and a rotating shaft of the motor is supported by the housing body .
  • a support shaft of an intermediate gear placed between the motor and the output shaft is directly supported by the housing body.
  • the document EP 1 285 812 discloses a projector having a movable assembly provided with a reflector and a light source, and a fixed assembly at least partially bordering the moving assembly which is rotatable relative to the fixed assembly about a first vertical axis for azimuth adjustment, and around a horizontal transverse axis for on-site adjustment. Such an arrangement is intended to keep the running games constant between the fixed parts and the moving parts.
  • the document EP 2 423 047 describes a headlamp of a motor vehicle designed to combine the night lighting function with the daylighting function known by the acronym DRL (Daytime Running Light).
  • the night lighting is obtained by a fixed lighting module, while the DRL lighting is achieved by means of a network of light-emitting diodes that can be retracted into a position inside the projector.
  • the invention aims to provide a module and a lighting projector and / or signaling capable of providing at least two lighting and / or signaling functions, and simple and compact construction.
  • the subject of the invention is a method for controlling the ignition of a fixed light source capable of emitting light rays in an optical system of a lighting and / or signaling module mounted to rotate between an active lighting and / or signaling position and a rest position, in which the light source is switched on and off according to an information of the angular position of the optical system during its movements between said rest position and said active position.
  • the active position is defined by an angular range extending around the stop position of the optical system in said active position.
  • the method controls the switching on and off of a first fixed light source capable of emitting light rays towards a reflecting surface of a support rotatably mounted around a first axis by means of a first actuator, and in which it also controls the switching on and off of a second fixed light source capable of emitting light rays in a screen of a frame which is let through by the light rays emitted by the first light source after reflection on the reflecting face, said commands for switching on and off the first light source and the second light source being a function of the angular position of at least the frame.
  • the conditions for triggering the switching on and off of the first light source and those corresponding to the second light source may be different, so that for a given angular position of the chassis, it is possible to switch on the ignition. one of the two light sources without turning on the other.
  • the invention also relates to a lighting and / or signaling module, in particular for a motor vehicle, comprising means for optically deflecting light rays emitted by a first light source, as well as a chassis comprising at least one screen capable of taking a position on the path of the light rays deflected by said optical deflection means.
  • the optical deflection means and said frame are rotatably mounted while the first light source remains fixed, and control means are adapted to send control instructions to actuators controlling on the one hand the rotation of said deflection means optical and chassis and other ignition and extinction of said first light source.
  • optical deflection means and the first light source cooperate to fulfill a lighting function and / or regulatory signaling.
  • the frame can be rotatably mounted independently, or integrally, from the rotation of the optical deflection means. It advantageously comprises two screens, said frame being rotatably mounted to move from a first end position in which a first screen of the frame is disposed facing a second light source distinct and fixed with respect to said first light source, to a second extreme position in which the second screen of the frame is arranged opposite the second light source.
  • the invention also relates to a lighting and / or signaling projector for a motor vehicle, comprising a housing and at least one lighting and / or signaling module, in which the lighting and / or signaling module conforms to to what has been described previously.
  • the projector can advantageously comprise three lighting modules and / or signaling.
  • a lighting and / or signaling module 10 is fixed in a housing (not shown) of a projector, and it comprises a first actuator 12 integral with the housing, a first axis 14 rotated by the first actuator 12 and secured to a support 16, and a frame 18 which has at least one light-transparent screen and which is mounted around the support 16 so that the at least one screen of the frame can be arranged facing of one of the faces of the support.
  • This frame may be fixed relative to the module, or may be rotatably mounted, and this in solidarity with rotation of the support or independently of the support, so that the frame can rotate around the support, while that it remains fixed or rotates elsewhere.
  • the first actuator 12 comprises an electric motor, driven by control means (not visible on the Figures 1 and 2 ) and able to transmit a command instruction to said engine, and means for transmitting in rotation between the engine and the first axis.
  • the first axis 14 supports the support 16 at its lower part, and the first axis 14 is substantially vertical, but it could have another orientation.
  • the support 16 of the module 10 comprises a first reflecting surface 20 acting as a reflector adapted to provide a lighting function and / or regulatory signaling. This function is fulfilled by the cooperation of the reflector 20 with a first light source 22.
  • the first light source 22 is fixed relative to the actuator.
  • a lighting and / or signaling function complies with the regulations in force.
  • This lighting function and / or regulatory signaling may be a day signaling function, commonly referred to as the DRL (the English acronym “Daytime Running Light”), or a lighting function of crossing, commonly referred to as “code”, or a lighting function commonly referred to as “road”.
  • the first reflecting surface 20 thus ensures the formation of a lighting beam and / or regulatory signaling directed towards the front of the vehicle.
  • the first light source 22 is a semiconductor source, and preferably of the electroluminescence diode (LED) type, and is substantially aligned with the first axis 14.
  • substantially aligned means that the distance between the geometric center of the light-emitting diode 22 and the axis of rotation of the support 16 is not greater than the dimensions of the light-emitting diode 22
  • the latter can be fixed and positioned on a printed circuit board 24, itself fixed in the housing (not shown) of the projector.
  • the support 16 of the module 10 also comprises a second face 26 opposite to the first face forming the reflector 20 and providing a second function.
  • This second function can be either a regulation day signaling function, a crossover lighting function and / or regulatory route, or an aspect function.
  • the module 10 may comprise an upper pivot 36 collinear with the first axis 14 via the support 16 to increase the accuracy of the relative positioning of the first light source 22 with respect to the reflector 20.
  • the frame 18 is made of a material transparent to light and has two screens 28 and 30 which extend substantially vertically in the module, parallel to each other. Each screen has a peripheral edge 38 and an upper edge 40.
  • the screens are connected on the one hand at their upper end by transverse connecting walls 32 which are connected perpendicular to the lateral ends of the upper edge of the screen forming a base upper particular stiffening of the frame, and secondly at their lower end by a structural member of the frame 46 which forms a lower base substantially parallel to the horizontal walls.
  • the screens preferably take the form of a sheet light guide, with a central portion of the sheet having a curved profile whose curvature substantially follows the direction of rotation of the frame.
  • the chassis is thus arranged in the module so that it surrounds the support, with the first screen 28 or the second screen 30 which is adapted according to the position of the chassis to take the active position upstream of the support, that is to say say on the path of the light rays when the optical deflection means reflect light rays emitted by the first light source towards the output of the module.
  • the central portion of the web of each screen may carry decoupling means, including prisms, for the deviation of the rays reflected by the reflector and through the screen.
  • decoupling means including prisms
  • the optical devices it is possible for the optical devices to be distributed unevenly over the central part of the sheet with respect to the direction of rotation of the frame. The advantage of such a non-uniform distribution of the optical devices can be found in a progressivity of the optical effect rendered by the passage of the rays through the screen, as it rotates towards the active position.
  • the two screens have different optical surfaces, one having for example a neutral surface, able not to hinder the diffusion of the light rays emitted by the first source 22 and deflected by the reflector, while the other may comprise optical devices as just described with a non-uniform distribution, or optical devices whose arrangement can form one or more representative patterns for example of a mark that is to be highlighted during a signaling function.
  • Other structural differences can appear, such as for example the fact that one of the screens of the chassis carries light decoupling elements, arranged or not to form patterns for example on all or part of its surface for the function of aspect, while the other screen does not have such an appearance to remain neutral.
  • the module comprises a second actuator 42 integral with the housing, driven as the first actuator by control means not shown here, and a second axis 44 rotated by the second actuator.
  • the second axis 44 extends parallel to the first axis of rotation of the support, between the actuator and the frame structure member 46 which extends transversely, perpendicularly to the second axis.
  • the second actuator comprises, in an equivalent manner to the first actuator 12, an electric motor and means of transmission in rotation between the motor and the second axis 44.
  • a possible arrangement of the two actuators and the two axes is illustrated in the figures, being understood that other types of arrangement may be chosen by those skilled in the art.
  • the frame structural member 46 extends substantially perpendicularly the lower end of the at least one screen, extending across the first axis of rotation of the support.
  • the structural element of the frame has a through bore, not visible in the figures, adapted to allow passage to the first axis of rotation.
  • the second axis 44 here consists of two rods which are each connected to the structural element of the frame 46 and the second actuator, and which are arranged diametrically on either side of the shaft forming the first axis 14.
  • the second actuator is controlled according to a control command received from control means of the module, so as to rotate about the second axis the frame and so as to move the screen in this way between a retracted position, wherein the screen is not or little visible, and an active position, wherein the screen is upstream of the support.
  • the term "upstream" the position in which the screen is disposed between the support and the front of the vehicle, to which the lighting and / or signaling functions are directed.
  • a second light source 34 fixed and positioned on a printed circuit board, advantageously also the carrier card of the first light source 22, able to illuminate the screen of the frame which is in active position upstream of the support. It is expected that the second light source is disposed at a predetermined distance from the first light source so that the screen of the frame, when in the active position upstream of the support, is arranged in line with the second source of light. light and can be illuminated by it.
  • the second light source 34 is fixed relative to the first light source 22 and remains fixed while the support and / or chassis rotates. It may consist of one or more light-emitting diodes (LEDs).
  • the first screen or the second screen of the frame 18 found in this active position upstream of the support is arranged at the right of the second light source 34 so as to ensure a regulatory signaling function if the second source of light is on.
  • the entrance face of the frame for the light rays emitted by this second light source is formed by the upper edge of the screen while the exit faces are arranged in the peripheral edge.
  • a lighting and / or signaling function is thus realized, distinct from that achieved by the reflection of the light rays of the first light source.
  • the peripheral portion of the screen may have a prism oriented in such or such way to proceed to return the light from the second source 34 towards the front of the vehicle to perform a signaling function and / or back to participate to the appearance function.
  • the second light source 34 can be turned on in addition to the first light source 22 so that the peripheral portion 38 of the first screen 28, facing the reflector, emits light. This makes it possible to use a first screen of the frame 18 in addition to the reflector 20.
  • a preferred use of the two light sources is to keep the second source constantly lit and to increase the intensity of the second light source if one wish to perform a signaling function, or to turn on the first light source if it is desired to perform a lighting function.
  • the frame has only one screen, adapted to take a retracted position or an active position upstream of the support. And we can combine the fact that the frame has one or two screens with the fact that the support and the frame is mounted or not rotating in rotation.
  • the rotation of the chassis can be controlled independently of that of the support.
  • the controller sends an instruction to the second actuator to rotate the chassis or not.
  • the rotation of the chassis is used to arrange alternatively a first, neutral screen or a second screen carrying decoupling elements in front of the reflector. light, arranged or not to form patterns for example. It will thus be possible to rotate the frame around the support which remains fixed and to turn on the second light source when it is the pattern-carrying screen in its center which is opposite this source to realize a scenario of driver's welcome before entering the vehicle.
  • the module is initially in a rest position P1 (the position illustrated on the figure 2 ): the module 10 is oriented so that the aspect face 26 is oriented towards the front of the vehicle, to be visible from outside the vehicle.
  • a screen of the frame, here the first screen 28, is arranged opposite the appearance face, upstream thereof.
  • a signaling function is advantageously carried out, by lighting the second light source above the first screen, which plays for the light rays penetrating by its upper edge the role of an optical guide with an exit face disposed in periphery.
  • the appearance function of the second face 26 of the support 16 can thus be accompanied by the signaling function provided by the frame 18.
  • This signaling function can be used before the vehicle is started, essentially for aesthetic reasons, or when a day ride, to perform or participate in the daylighting function called Day Running Light (DRL)
  • control means When the control means receive a night illumination triggering information I1, either by the driver or by visibility sensors for example, the control means generate a control command C1 at the first actuator for the rotation of the light. associated support, in order to rotate the support 180 ° and pass the reflective face P2 active position, facing the front of the vehicle.
  • the control means prepare a control command C2 at the first light source to force its ignition and allow the emission of light rays on the reflecting face.
  • the control means performs a T1 test to know if the support has arrived in an active functional position. As long as the response is negative, that is to say that the angular position of the optical system formed by the support is not within the range of values defined by the manufacturer, the ignition control instruction n ' is not sent to the first light source and it remains off. As soon as the response is positive, that is to say that the angular position of the optical system is within the range of values defined by the manufacturer, the control command C2 is sent and the first light source is turned on and emits light rays in the direction of the reflecting surface of the support. The fact of having waited until the position of the reflector is correct before starting the ignition of the first light source makes it possible to avoid a reflection of the random rays due to the rotation of the reflector penetrating into the field of the emitted rays.
  • an angular range of +/- 2 ° is provided around the stop position of the reflector in the active position, in which the manufacturer estimates that the rotation of the reflector does not disturb the path of the reflected rays at the output of the module, or at least that the resulting disturbances are acceptable to meet the regulatory requirements of the lighting and / or signaling function performed.
  • the module adopts, automatically or on the basis of a control information I2 received by the control means, a different configuration in which the support 16 of the module 10 is rotated 180 ° relative to the configuration of the figure 2 , so as to resume the rest position P1 and present the second face 26 facing the front of the vehicle, to thereby provide the appearance function and / or lighting and / or signaling also described above.
  • the control means send simultaneously, or almost simultaneously, a control command C3 to the first actuator for rotating the support and a control command C4 for extinguishing the first light source.
  • the support is controlled so that the reflector is in the active position P3 (position visible on the figure 1 ) as soon as the vehicle is running and the appearance function is no longer necessary.
  • the control means C5 instruction to the second actuator to bring one of the screens in the active position upstream of the reflector.
  • control means prepare an instruction C6 for the ignition of the second light source, so as to allow the emission of light rays in the web of the screen disposed under the second light source.
  • the control means performs a T2 test to know if the optical system formed by the frame has arrived in an active functional position. As long as the response is negative, ie the angular position of the frame is not within a second range of values defined by the manufacturer, the ignition control command is not sent to the first light source and it remains off.
  • the second range of values may be the same as the first range of values, that is to say +/- 2 ° in the numerical example given here by way of non-limiting example, or that on the contrary, it may be different, and preferentially larger than the first range of values.
  • the disturbances that the rotation of the frame can generate on the rays emitted by the second light source can be judged by regulations to be less penalizing, since they impact a signaling function, that the disturbances generated by the rotation of the reflector and the associated frame on the rays emitted by the first light source which impact a lighting function.
  • the command instruction C6 is sent and the second light source is lit and emits light rays towards the first screen under the second light source. Waiting for the position of the chassis to be correct before starting the ignition of the second light source makes it possible to prevent internal reflection of non-homogeneous rays on the sheet forming the screen in the active position, and to avoid as well as only a portion of the peripheral edge of the screen is illuminated.
  • the lighting function can also be directional, that is to say of the DBL (Dynamic Bending Light) type, thanks to the actuator 12 of the module 10, which can control a rotation of the reflector a few degrees around the first axis .
  • This rotation is accompanied by a combined movement of the screen which remains opposite the reflector when the frame is secured to the rotation of the reflector, and when the frame is rotatably mounted independently of the rotation of the reflector, it is controlled the rotation of the screen so that again the screen remains in the axis of emission of the rays reflected by the reflector, so that no dispersion of the rays results from this directional illumination.
  • the first light source remains lit even if the angle of rotation of the reflector is greater than the threshold defined by the angular range described above, since the screen follows the rotation of the support.
  • the beams generated by the module (s) described above may constitute beams complementary to regulatory beams generated by conventional devices, or may together constitute regulatory light beams and / or or signaling.
  • a lighting and / or signaling module in which a chassis complements a rotary support of a reflector adapted to deflect the light rays emitted by a light source, to provide complementarity to the signaling function in particular, and to provide a method of controlling the ignition of an associated light source to prevent the scattering of rays; illuminated uncontrolled and may interfere with the road users upstream of the vehicle.
  • the characteristic according to which the light source is extinguished prior to the rotational displacement of the optical system formed by the support and / or the chassis, before being re-lit only under angular position conditions of the optical system makes it possible to benefit from the multiple combinations possible in the lighting and / or vehicle signaling functions offered by the possible rotations of the reflector support and the chassis without the risk of lighting or non-regulatory signaling.
  • the headlight of a motor vehicle for performing lighting and / or signaling functions, may comprise one or more modules identical to that which has been described, arranged in series in a housing.
  • a series of several modules advantageously three, it will be possible to rotate the support of each module and the frame of each module by actuators that can be driven independently of each other, to ensure greater flexibility in the lighting and / or signaling functions, and each of the modules will be associated with a control device capable of implementing the instructions for implementing the ignition control method according to the invention, this control device being able to be common to all three modules.

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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)
  • Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)

Abstract

L'invention concerne un procédé de commande d'allumage d'une source lumineuse (22, 34) fixe apte à émettre des rayons lumineux dans un système optique (18, 20) d'un module d'éclairage et/ou de signalisation (10) monté mobile en rotation entre une position active d'éclairage et/ou de signalisation et une position de repos. On procède à l'allumage et à l'extinction de la source lumineuse en fonction d'une information de la position angulaire du système optique lors de ses déplacements entre ladite position de repos et ladite position active.The invention relates to a method for controlling the ignition of a fixed light source (22, 34) capable of emitting light rays in an optical system (18, 20) of a lighting and / or signaling module ( 10) rotatably mounted between an active position of illumination and / or signaling and a rest position. The light source is turned on and off according to an information of the angular position of the optical system during its movements between said rest position and said active position.

Description

L'invention a trait au domaine de l'éclairage et/ou de la signalisation, notamment pour véhicules automobiles. Plus particulièrement, l'invention a trait à un module d'éclairage et/ou de signalisation pour véhicule automobile, ainsi qu'à un projecteur comprenant un tel module.The invention relates to the field of lighting and / or signaling, especially for motor vehicles. More particularly, the invention relates to a lighting and / or signaling module for a motor vehicle, and a projector comprising such a module.

Le document FR 2 817 212 décrit un projecteur de véhicule automobile avec une fonction d'éclairage directionnel plus connu sous l'acronyme DBL (Dynamic Bending Light). Le projecteur comprend un système optique dont la direction d'éclairage est modifiée par rotation, un arbre de sortie couplé au système optique afin que celui-ci soit entraîné, un moteur, et un mécanisme de transmission de rotation couplé au moteur afin qu'il transmette la rotation du moteur à l'arbre de sortie, dans lequel le moteur, l'arbre de sortie et le mécanisme de transmission de rotation sont placés dans un corps de boîtier, et un arbre rotatif du moteur est supporté par le corps de boîtier. Un arbre de support d'un pignon intermédiaire placé entre le moteur et l'arbre de sortie est directement supporté par le corps de boîtier.The document FR 2 817 212 describes a motor vehicle headlamp with a directional lighting function better known by the acronym DBL (Dynamic Bending Light). The projector includes an optical system whose lighting direction is rotated, an output shaft coupled to the optical system for driving, an engine, and a rotational transmission mechanism coupled to the engine so that it is rotated. transmits the rotation of the motor to the output shaft, wherein the motor, the output shaft and the rotation transmission mechanism are placed in a housing body, and a rotating shaft of the motor is supported by the housing body . A support shaft of an intermediate gear placed between the motor and the output shaft is directly supported by the housing body.

Le document EP 1 285 812 décrit un projecteur comportant un ensemble mobile muni d'un réflecteur et d'une source de lumière, et un ensemble fixe bordant au moins partiellement l'ensemble mobile qui peut tourner, relativement à l'ensemble fixe, autour d'un premier axe vertical pour un réglage en azimut, et autour d'un axe transversal horizontal pour un réglage en site. Une telle disposition a pour but de garder les jeux de fonctionnement constants entre les pièces fixes et les pièces mobiles.The document EP 1 285 812 discloses a projector having a movable assembly provided with a reflector and a light source, and a fixed assembly at least partially bordering the moving assembly which is rotatable relative to the fixed assembly about a first vertical axis for azimuth adjustment, and around a horizontal transverse axis for on-site adjustment. Such an arrangement is intended to keep the running games constant between the fixed parts and the moving parts.

Le document EP 2 423 047 décrit un projecteur d'un véhicule automobile conçu pour réunir la fonction d'éclairage de nuit avec la fonction de signalisation de jour connue sous l'acronyme anglais DRL (Daytime Running Light). L'éclairage de nuit est obtenu par un module d'éclairage fixe, tandis que l'éclairage de type DRL est réalisé au moyen d'un réseau de diodes électroluminescentes pouvant être escamoté dans une position interne au projecteur.The document EP 2 423 047 describes a headlamp of a motor vehicle designed to combine the night lighting function with the daylighting function known by the acronym DRL (Daytime Running Light). The night lighting is obtained by a fixed lighting module, while the DRL lighting is achieved by means of a network of light-emitting diodes that can be retracted into a position inside the projector.

L'invention a pour objectif de proposer un module et un projecteur d'éclairage et/ou de signalisation aptes à assurer au moins deux fonctions d'éclairage et/ou de signalisation, et de construction simple et compacte.The invention aims to provide a module and a lighting projector and / or signaling capable of providing at least two lighting and / or signaling functions, and simple and compact construction.

Dans ce but, l'invention a pour objet un procédé de commande d'allumage d'une source lumineuse fixe apte à émettre des rayons lumineux dans un système optique d'un module d'éclairage et/ou de signalisation monté mobile en rotation entre une position active d'éclairage et/ou de signalisation et une position de repos, dans lequel on procède à l'allumage et à l'extinction de la source lumineuse en fonction d'une information de la position angulaire du système optique lors de ses déplacements entre ladite position de repos et ladite position active.For this purpose, the subject of the invention is a method for controlling the ignition of a fixed light source capable of emitting light rays in an optical system of a lighting and / or signaling module mounted to rotate between an active lighting and / or signaling position and a rest position, in which the light source is switched on and off according to an information of the angular position of the optical system during its movements between said rest position and said active position.

Selon des caractéristiques de l'invention :

  • suite à la réception d'une instruction de commande de déplacement du système optique de la position de repos à la position active, on conserve ladite source lumineuse éteinte, avant de procéder à une étape de déplacement du système optique, et dans lequel on ne procède à l'allumage de la source lumineuse seulement lorsque le système optique se retrouve dans ladite position active ; et/ou
  • suite à la réception d'une instruction de commande de déplacement du système optique de la position active à la position de repos, on commande l'extinction de la source lumineuse avant que le système optique ne soit plus dans la position active.
According to features of the invention:
  • following reception of a control command for moving the optical system from the rest position to the active position, said light source that is off is kept before proceeding with a step of displacement of the optical system, and in which no when the light source is switched on only when the optical system is in said active position; and or
  • following the reception of a command to move the optical system from the active position to the rest position, the extinction of the light source is controlled before the optical system is no longer in the active position.

Dans le procédé selon l'invention, la position active est définie par une plage angulaire s'étendant autour de la position d'arrêt du système optique dans ladite position active.In the method according to the invention, the active position is defined by an angular range extending around the stop position of the optical system in said active position.

Selon des caractéristiques du procédé selon l'invention, on commande l'allumage et l'extinction d'une première source lumineuse fixe apte à émettre des rayons lumineux vers une face réfléchissante d'un support monté mobile en rotation autour d'un premier axe par l'intermédiaire d'un premier actionneur, et dans lequel on commande en outre l'allumage et l'extinction d'une deuxième source lumineuse fixe apte à émettre des rayons lumineux dans un écran d'un châssis qui se laisse traverser par les rayons lumineux émis par la première source lumineuse après réflexion sur la face réfléchissante, lesdites commandes d'allumage et d'extinction de la première source lumineuse et de la deuxième source lumineuse étant fonction de la position angulaire d'au moins le châssis.According to characteristics of the method according to the invention, it controls the switching on and off of a first fixed light source capable of emitting light rays towards a reflecting surface of a support rotatably mounted around a first axis by means of a first actuator, and in which it also controls the switching on and off of a second fixed light source capable of emitting light rays in a screen of a frame which is let through by the light rays emitted by the first light source after reflection on the reflecting face, said commands for switching on and off the first light source and the second light source being a function of the angular position of at least the frame.

Les conditions de déclenchement de l'allumage et de l'extinction de la première source lumineuse et celles correspondant à la deuxième source lumineuse peuvent être différentes, de sorte que pour une position angulaire donnée du châssis, on peut procéder à l'allumage d'une des deux sources lumineuses sans procéder à l'allumage de l'autre.The conditions for triggering the switching on and off of the first light source and those corresponding to the second light source may be different, so that for a given angular position of the chassis, it is possible to switch on the ignition. one of the two light sources without turning on the other.

L'invention concerne également un module d'éclairage et/ou de signalisation notamment pour véhicule automobile, comportant des moyens de déviation optique de rayons lumineux émis par une première source de lumière, ainsi qu'un châssis comportant au moins un écran apte à prendre une position sur le trajet des rayons lumineux déviés par lesdits moyens de déviation optique. Les moyens de déviation optique et ledit châssis sont montés mobile en rotation tandis que la première source de lumière reste fixe, et des moyens de commande sont aptes à envoyer des instructions de commande à des actionneurs commandant d'une part la rotation desdits moyens de déviation optique et du châssis et d'autre l'allumage et l'extinction de ladite première source de lumière.The invention also relates to a lighting and / or signaling module, in particular for a motor vehicle, comprising means for optically deflecting light rays emitted by a first light source, as well as a chassis comprising at least one screen capable of taking a position on the path of the light rays deflected by said optical deflection means. The optical deflection means and said frame are rotatably mounted while the first light source remains fixed, and control means are adapted to send control instructions to actuators controlling on the one hand the rotation of said deflection means optical and chassis and other ignition and extinction of said first light source.

Dans un tel module, on comprend que les moyens de déviation optique et la première source de lumière coopèrent pour remplir une fonction d'éclairage et/ou de signalisation réglementaire.In such a module, it is understood that the optical deflection means and the first light source cooperate to fulfill a lighting function and / or regulatory signaling.

Le châssis peut être monté mobile en rotation indépendamment, ou solidairement, de la rotation des moyens de déviation optique. Il comporte avantageusement deux écrans, ledit châssis étant monté mobile en rotation pour passer d'une première position extrême dans laquelle un premier écran du châssis est disposé en regard d'une deuxième source lumineuse distincte et fixe par rapport à ladite première source lumineuse, à une deuxième position extrême dans laquelle le second écran du châssis est disposé en regard de la deuxième source lumineuse.The frame can be rotatably mounted independently, or integrally, from the rotation of the optical deflection means. It advantageously comprises two screens, said frame being rotatably mounted to move from a first end position in which a first screen of the frame is disposed facing a second light source distinct and fixed with respect to said first light source, to a second extreme position in which the second screen of the frame is arranged opposite the second light source.

En outre l'invention possède les caractéristiques suivantes, considérées isolément ou en combinaison :

  • au moins un des deux écrans porte des moyens optiques aptes à dévier les rayons lumineux le traversant lorsqu'il est en position active en amont des moyens de déviation optique ;
  • les moyens optiques portés par un premier desdits deux écrans sont différents des moyens optiques portés par le second desdits deux écrans ;
  • lesdites sources lumineuses consistent en des sources à semi-conducteurs, et notamment des diodes électroluminescentes.
In addition, the invention has the following characteristics, considered alone or in combination:
  • at least one of the two screens carries optical means capable of deflecting the light rays passing therethrough when it is in the active position upstream of the optical deflection means;
  • the optical means carried by a first of said two screens are different from the optical means carried by the second of said two screens;
  • said light sources consist of semiconductor sources, and in particular light-emitting diodes.

L'invention concerne également un projecteur d'éclairage et/ou de signalisation pour véhicule automobile, comprenant un boîtier et au moins un module d'éclairage et/ou de signalisation, dans lequel le module d'éclairage et/ou de signalisation est conforme à ce qui a été décrit précédemment. Le projecteur peut comporter avantageusement trois modules d'éclairage et/ou de signalisation.The invention also relates to a lighting and / or signaling projector for a motor vehicle, comprising a housing and at least one lighting and / or signaling module, in which the lighting and / or signaling module conforms to to what has been described previously. The projector can advantageously comprise three lighting modules and / or signaling.

D'autres caractéristiques et avantages de la présente invention apparaitront plus clairement à l'aide de la description et des dessins parmi lesquels :

  • la figure 1 est une vue en perspective de trois quart avant d'un module d'éclairage et/ou de signalisation selon un premier mode de réalisation de l'invention, représenté ici dans une première position avec une face d'aspect neutre d'un support qui est tournée vers l'avant du véhicule et avec un écran d'un châssis qui est en regard de cette face d'aspect ; et
  • la figure 2 est une vue, similaire à celle de la figure 1, du module représenté dans une deuxième position avec un support inchangé et un châssis tourné à 180° pour que l'écran soit en regard d'une face formant réflecteur, à l'opposé de la face d'aspect.
Other features and advantages of the present invention will become more clearly apparent from the description and the drawings, among which:
  • the figure 1 is a three-quarter perspective view of a lighting and / or signaling module according to a first embodiment of the invention, represented here in a first position with a neutral-looking face of a support which is turned towards the front of the vehicle and with a screen of a chassis which is opposite this aspect face; and
  • the figure 2 is a view, similar to that of the figure 1 , the module shown in a second position with an unchanged support and a frame rotated 180 ° so that the screen is facing a reflector face, opposite the appearance face.

Dans la description qui va suivre, on adoptera à titre non limitatif une orientation longitudinale, verticale et transversale selon l'orientation traditionnellement utilisée dans l'automobile et indiquée par le trièdre L, V, T reporté sur la figure 1.In the following description, a longitudinal, vertical and transverse orientation will be adopted in a nonlimiting manner according to the orientation conventionally used in the automobile and indicated by the trihedron L, V, T carried over the figure 1 .

Selon l'invention, un module d'éclairage et/ou de signalisation 10 est fixé dans un boitier (non représenté) d'un projecteur, et il comporte un premier actionneur 12 solidaire du boitier, un premier axe 14 entraîné en rotation par le premier actionneur 12 et solidaire d'un support 16, ainsi qu'un châssis 18 qui comporte au moins un écran transparent à la lumière et qui est monté autour du support 16 de sorte que le au moins un écran du châssis puisse être disposé en regard de l'une des faces du support. Ce châssis peut être fixe par rapport au module, ou bien être monté mobile en rotation, et ce de façon solidaire en rotation du support ou bien de façon indépendante du support, de telle manière que le châssis peut tourner autour du support, pendant que celui-ci reste fixe ou tourne par ailleurs.According to the invention, a lighting and / or signaling module 10 is fixed in a housing (not shown) of a projector, and it comprises a first actuator 12 integral with the housing, a first axis 14 rotated by the first actuator 12 and secured to a support 16, and a frame 18 which has at least one light-transparent screen and which is mounted around the support 16 so that the at least one screen of the frame can be arranged facing of one of the faces of the support. This frame may be fixed relative to the module, or may be rotatably mounted, and this in solidarity with rotation of the support or independently of the support, so that the frame can rotate around the support, while that it remains fixed or rotates elsewhere.

Le premier actionneur 12 comprend un moteur électrique, piloté par des moyens de commande (non visibles sur les figures 1 et 2) et aptes à transmettre une instruction de commande audit moteur, et des moyens de transmission en rotation entre le moteur et le premier axe. Dans les modes de réalisation représentés, le premier axe 14 soutient le support 16 en sa partie inférieure, et le premier axe 14 est sensiblement vertical, mais il pourrait avoir une autre orientation.The first actuator 12 comprises an electric motor, driven by control means (not visible on the Figures 1 and 2 ) and able to transmit a command instruction to said engine, and means for transmitting in rotation between the engine and the first axis. In the embodiments shown, the first axis 14 supports the support 16 at its lower part, and the first axis 14 is substantially vertical, but it could have another orientation.

Le support 16 du module 10 comprend une première face réfléchissante 20 jouant le rôle d'un réflecteur apte à assurer une fonction d'éclairage et/ou de signalisation réglementaire. Cette fonction est remplie par la coopération du réflecteur 20 avec une première source de lumière 22. La première source de lumière 22 est fixe par rapport à l'actionneur.The support 16 of the module 10 comprises a first reflecting surface 20 acting as a reflector adapted to provide a lighting function and / or regulatory signaling. This function is fulfilled by the cooperation of the reflector 20 with a first light source 22. The first light source 22 is fixed relative to the actuator.

On entend par « réglementaire » le fait qu'une fonction d'éclairage et/ou de signalisation est conforme à la réglementation en vigueur. Cette fonction d'éclairage et/ou de signalisation réglementaire peut être une fonction de signalisation de jour, communément désigné par l'appellation DRL (de l'acronyme anglo-saxon « Daytime Running Light »), ou bien une fonction d'éclairage de croisement, communément désignée « code », ou encore une fonction d'éclairage communément désignée « route ». La première face réfléchissante 20 assure ainsi la formation d'un faisceau d'éclairage et/ou de signalisation réglementaire dirigé vers l'avant du véhicule."Regulatory" means that a lighting and / or signaling function complies with the regulations in force. This lighting function and / or regulatory signaling may be a day signaling function, commonly referred to as the DRL (the English acronym "Daytime Running Light"), or a lighting function of crossing, commonly referred to as "code", or a lighting function commonly referred to as "road". The first reflecting surface 20 thus ensures the formation of a lighting beam and / or regulatory signaling directed towards the front of the vehicle.

La première source de lumière 22 est une source à semi-conducteurs, et de préférence du type diode à électroluminescence (LED), et elle est sensiblement alignée sur le premier axe 14. On entend par l'expression « sensiblement alignée » que la distance entre le centre géométrique de la diode électroluminescente 22 et l'axe de rotation du support 16 n'est pas supérieure aux dimensions de la diode électroluminescente 22. Cette dernière peut être fixée et positionnée sur une carte de circuits imprimés 24, elle-même fixée dans le boitier (non représenté) du projecteur.The first light source 22 is a semiconductor source, and preferably of the electroluminescence diode (LED) type, and is substantially aligned with the first axis 14. The expression "substantially aligned" means that the distance between the geometric center of the light-emitting diode 22 and the axis of rotation of the support 16 is not greater than the dimensions of the light-emitting diode 22 The latter can be fixed and positioned on a printed circuit board 24, itself fixed in the housing (not shown) of the projector.

Le support 16 du module 10 comporte également une deuxième face 26 opposée à la première face formant le réflecteur 20 et assurant une deuxième fonction. Cette deuxième fonction peut être soit une fonction de signalisation de jour réglementaire, soit une fonction d'éclairage de croisement et/ou de route réglementaire, soit une fonction d'aspect.The support 16 of the module 10 also comprises a second face 26 opposite to the first face forming the reflector 20 and providing a second function. This second function can be either a regulation day signaling function, a crossover lighting function and / or regulatory route, or an aspect function.

Tel qu'illustré, le module 10 peut comporter un pivot supérieur 36 colinéaire avec le premier axe 14 par l'intermédiaire du support 16 pour accroître la précision du positionnement relatif de la première source de lumière 22 par rapport au réflecteur 20.As illustrated, the module 10 may comprise an upper pivot 36 collinear with the first axis 14 via the support 16 to increase the accuracy of the relative positioning of the first light source 22 with respect to the reflector 20.

Le châssis 18 est réalisé dans un matériau transparent à la lumière et il comporte deux écrans 28 et 30 qui s'étendent sensiblement verticalement dans le module, parallèles entre eux. Chaque écran présente un bord périphérique 38 et un bord supérieur 40. Les écrans sont reliés d'une part à leur extrémité supérieure par des parois de liaison transversales 32 qui se raccordent perpendiculairement aux extrémités latérales du bord supérieur de l'écran en formant une base supérieure notamment de rigidification du châssis, et d'autre part à leur extrémité inférieure par une un élément de structure du châssis 46 qui forme une base inférieure sensiblement parallèle aux parois horizontales. Les écrans prennent de préférence la forme d'un guide de lumière en nappe, avec une partie centrale de la nappe qui présente un profil galbé dont la courbure suit sensiblement la direction de rotation du châssis. Le châssis est ainsi agencé dans le module de sorte qu'il entoure le support, avec le premier écran 28 ou le deuxième écran 30 qui est apte selon la position du châssis à prendre la position active en amont du support, c'est-à-dire sur le trajet des rayons lumineux lorsque les moyens de déviation optique réfléchissent des rayons lumineux émis par la première source de lumière vers la sortie du module.The frame 18 is made of a material transparent to light and has two screens 28 and 30 which extend substantially vertically in the module, parallel to each other. Each screen has a peripheral edge 38 and an upper edge 40. The screens are connected on the one hand at their upper end by transverse connecting walls 32 which are connected perpendicular to the lateral ends of the upper edge of the screen forming a base upper particular stiffening of the frame, and secondly at their lower end by a structural member of the frame 46 which forms a lower base substantially parallel to the horizontal walls. The screens preferably take the form of a sheet light guide, with a central portion of the sheet having a curved profile whose curvature substantially follows the direction of rotation of the frame. The chassis is thus arranged in the module so that it surrounds the support, with the first screen 28 or the second screen 30 which is adapted according to the position of the chassis to take the active position upstream of the support, that is to say say on the path of the light rays when the optical deflection means reflect light rays emitted by the first light source towards the output of the module.

La partie centrale de la nappe de chaque écran peut porter des moyens de découplage, notamment des prismes, pour la déviation des rayons réfléchis par le réflecteur et traversant l'écran. On peut notamment prévoir que les dispositifs optiques soient répartis non uniformément sur la partie centrale de la nappe par rapport à la direction de rotation du châssis. L'intérêt d'une telle répartition non uniforme des dispositifs optiques peut se retrouver dans une progressivité de l'effet optique rendu par le passage des rayons à travers l'écran, au fur et à mesure de sa rotation vers la position active.The central portion of the web of each screen may carry decoupling means, including prisms, for the deviation of the rays reflected by the reflector and through the screen. In particular, it is possible for the optical devices to be distributed unevenly over the central part of the sheet with respect to the direction of rotation of the frame. The advantage of such a non-uniform distribution of the optical devices can be found in a progressivity of the optical effect rendered by the passage of the rays through the screen, as it rotates towards the active position.

On peut prévoir que les deux écrans présentent des surfaces optiques différentes, l'un présentant par exemple une surface neutre, apte à ne pas gêner la diffusion des rayons lumineux émis par la première source 22 et déviés par le réflecteur, tandis que l'autre peut comporter des dispositifs optiques tels qu'ils viennent d'être décrits avec une répartition non uniforme, ou bien des dispositifs optiques dont l'agencement peut former un ou plusieurs motifs représentatifs par exemple d'une marque que l'on souhaite mettre en évidence lors d'une fonction de signalisation. D'autres différences structurelles peuvent apparaître, comme par exemple le fait que l'un des écrans du châssis porte des éléments de découplage de la lumière, agencés ou non pour former des motifs par exemple sur tout ou partie de sa surface pour la fonction d'aspect, tandis que l'autre écran ne présente pas un tel aspect pour rester neutre.It can be provided that the two screens have different optical surfaces, one having for example a neutral surface, able not to hinder the diffusion of the light rays emitted by the first source 22 and deflected by the reflector, while the other may comprise optical devices as just described with a non-uniform distribution, or optical devices whose arrangement can form one or more representative patterns for example of a mark that is to be highlighted during a signaling function. Other structural differences can appear, such as for example the fact that one of the screens of the chassis carries light decoupling elements, arranged or not to form patterns for example on all or part of its surface for the function of aspect, while the other screen does not have such an appearance to remain neutral.

Tel que cela a été décrit précédemment, on peut prévoir, dans un mode de réalisation particulièrement intéressant et riche en combinaisons possibles de fonctions d'éclairage et/ou de signalisation, notamment dans le cas où les écrans portent des dispositifs optiques qui leur sont propres, que ce châssis soit monté mobile en rotation de façon indépendante du support, de telle manière que le châssis peut tourner autour du support, pendant que celui-ci reste fixe ou tourne par ailleurs. A cet effet, le module comporte un deuxième actionneur 42 solidaire du boîtier, piloté comme le premier actionneur par des moyens de commande ici non représentés, et un deuxième axe 44 entraîné en rotation par le deuxième actionneur. Le deuxième axe 44 s'étend parallèlement au premier axe de rotation du support, entre l'actionneur et l'élément de structure 46 du châssis qui s'étend transversalement, perpendiculairement au deuxième axe.As has been previously described, it is possible to provide, in a particularly interesting embodiment and rich in possible combinations of lighting and / or signaling functions, particularly in the case where the screens carry optical devices of their own. , that this frame is mounted mobile in rotation independently of the support, so that the frame can rotate around the support, while the latter remains fixed or otherwise rotates. For this purpose, the module comprises a second actuator 42 integral with the housing, driven as the first actuator by control means not shown here, and a second axis 44 rotated by the second actuator. The second axis 44 extends parallel to the first axis of rotation of the support, between the actuator and the frame structure member 46 which extends transversely, perpendicularly to the second axis.

Le deuxième actionneur comporte, de façon équivalente au premier actionneur 12, un moteur électrique et des moyens de transmission en rotation entre le moteur et le deuxième axe 44. Un agencement possible des deux actionneurs et des deux axes est illustré sur les figures, étant entendu que d'autres types d'agencement pourront être choisis par l'homme du métier. Dans les modes de réalisation représentés, l'élément de structure du châssis 46 prolonge sensiblement perpendiculairement l'extrémité inférieure du au moins un écran, en s'étendant en travers du premier axe de rotation du support. L'élément de structure du châssis comporte un alésage traversant, non visible sur les figures, apte à laisser passage au premier axe de rotation.The second actuator comprises, in an equivalent manner to the first actuator 12, an electric motor and means of transmission in rotation between the motor and the second axis 44. A possible arrangement of the two actuators and the two axes is illustrated in the figures, being understood that other types of arrangement may be chosen by those skilled in the art. In the embodiments shown, the frame structural member 46 extends substantially perpendicularly the lower end of the at least one screen, extending across the first axis of rotation of the support. The structural element of the frame has a through bore, not visible in the figures, adapted to allow passage to the first axis of rotation.

Le deuxième axe 44 consiste ici en deux tiges qui sont chacune reliées à l'élément de structure du châssis 46 et au deuxième actionneur, et qui sont disposées diamétralement de part et d'autre de l'arbre formant le premier axe 14.The second axis 44 here consists of two rods which are each connected to the structural element of the frame 46 and the second actuator, and which are arranged diametrically on either side of the shaft forming the first axis 14.

Le deuxième actionneur est piloté en fonction d'une instruction de commande reçue en provenance de moyens de commande du module, de manière à faire pivoter autour du deuxième axe le châssis et de manière à déplacer de la sorte l'écran entre une position escamotée, dans laquelle l'écran n'est pas ou peu visible, et une position active, dans laquelle l'écran est en amont du support. On entend par « en amont » la position dans laquelle l'écran est disposé entre le support et l'avant du véhicule, vers lequel les fonctions d'éclairage et/ou de signalisation sont dirigées.The second actuator is controlled according to a control command received from control means of the module, so as to rotate about the second axis the frame and so as to move the screen in this way between a retracted position, wherein the screen is not or little visible, and an active position, wherein the screen is upstream of the support. The term "upstream" the position in which the screen is disposed between the support and the front of the vehicle, to which the lighting and / or signaling functions are directed.

Dans le module selon l'invention, on peut prévoir une deuxième source de lumière 34, fixée et positionnée sur une carte de circuits imprimés, avantageusement la carte porteuse par ailleurs de la première source de lumière 22, apte à éclairer l'écran du châssis qui se trouve en position active en amont du support. On prévoit que la deuxième source de lumière soit disposée à une distance déterminée de la première source de lumière pour que l'écran du châssis, lorsqu'il est dans la position active en amont du support, soit disposé au droit de la deuxième source de lumière et puisse être illuminé par celle-ci. La deuxième source de lumière 34 est fixe par rapport à la première source de lumière 22 et elle reste fixe tandis que le support et/ou le châssis tourne. Elle peut être constituée d'une ou plusieurs diodes électroluminescentes (LED).In the module according to the invention, it is possible to provide a second light source 34, fixed and positioned on a printed circuit board, advantageously also the carrier card of the first light source 22, able to illuminate the screen of the frame which is in active position upstream of the support. It is expected that the second light source is disposed at a predetermined distance from the first light source so that the screen of the frame, when in the active position upstream of the support, is arranged in line with the second source of light. light and can be illuminated by it. The second light source 34 is fixed relative to the first light source 22 and remains fixed while the support and / or chassis rotates. It may consist of one or more light-emitting diodes (LEDs).

De la sorte, le premier écran ou le deuxième écran du châssis 18 se retrouvant dans cette position active en amont du support est disposé au droit de la deuxième source de lumière 34 de manière à pouvoir assurer ainsi une fonction de signalisation réglementaire si la deuxième source de lumière est allumée. La face d'entrée du châssis pour les rayons lumineux émis par cette deuxième source de lumière est formée par le bord supérieur de l'écran tandis que les faces de sortie sont aménagées dans le bord périphérique. On réalise ainsi une fonction d'éclairage et/ou de signalisation, distincte de celle réalisée par la réflexion des rayons lumineux de la première source de lumière. La partie périphérique de l'écran peut présenter un prisme orienté de telle ou telle façon pour procéder au renvoi de la lumière de la deuxième source 34 vers l'avant du véhicule pour remplir une fonction de signalisation et/ou vers l'arrière pour participer à la fonction d'aspect.In this way, the first screen or the second screen of the frame 18 found in this active position upstream of the support is arranged at the right of the second light source 34 so as to ensure a regulatory signaling function if the second source of light is on. The entrance face of the frame for the light rays emitted by this second light source is formed by the upper edge of the screen while the exit faces are arranged in the peripheral edge. A lighting and / or signaling function is thus realized, distinct from that achieved by the reflection of the light rays of the first light source. The peripheral portion of the screen may have a prism oriented in such or such way to proceed to return the light from the second source 34 towards the front of the vehicle to perform a signaling function and / or back to participate to the appearance function.

La deuxième source de lumière 34 peut être allumée en plus de la première source de lumière 22 afin que la partie périphérique 38 du premier écran 28, en regard du réflecteur, émette de la lumière. Cela permet d'utiliser un premier écran du châssis 18 en complément du réflecteur 20. Un usage préféré des deux sources de lumière est de garder la deuxième source constamment allumée et d'augmenter l'intensité de la deuxième source de lumière si l'on souhaite exercer une fonction de signalisation, ou bien d'allumer la première source de lumière si l'on souhaite exercer une fonction d'éclairage.The second light source 34 can be turned on in addition to the first light source 22 so that the peripheral portion 38 of the first screen 28, facing the reflector, emits light. This makes it possible to use a first screen of the frame 18 in addition to the reflector 20. A preferred use of the two light sources is to keep the second source constantly lit and to increase the intensity of the second light source if one wish to perform a signaling function, or to turn on the first light source if it is desired to perform a lighting function.

Dans des variantes de réalisation non représentées, on pourra prévoir que le châssis ne présente qu'un seul écran, apte à prendre une position escamotée ou une position active en amont du support. Et l'on pourra combiner le fait que le châssis présente un ou deux écrans avec le fait que le support et le châssis soit ou non montés mobiles en rotation.In alternative embodiments not shown, it can be provided that the frame has only one screen, adapted to take a retracted position or an active position upstream of the support. And we can combine the fact that the frame has one or two screens with the fact that the support and the frame is mounted or not rotating in rotation.

On peut avantageusement selon l'invention piloter la rotation du châssis indépendamment de celle du support. Selon les conditions de circulation, de luminosité, et/ou les instructions du conducteur, le dispositif de commande envoie une instruction au deuxième actionneur pour mettre ou non en rotation le châssis. Avantageusement, lorsque le réflecteur est tourné vers l'avant du véhicule, on joue sur la rotation du châssis pour disposer devant le réflecteur alternativement un premier écran, neutre, ou un deuxième écran porteur d'éléments de découplage de la lumière, agencés ou non pour former des motifs par exemple. On pourra ainsi prévoir de faire tourner le châssis autour du support qui reste fixe et d'allumer la deuxième source de lumière lorsque c'est l'écran porteur de motifs en son centre qui est en regard de cette source pour réaliser un scénario d'accueil du conducteur avant son entrée dans le véhicule.Advantageously, according to the invention, the rotation of the chassis can be controlled independently of that of the support. Depending on the traffic conditions, brightness, and / or the driver's instructions, the controller sends an instruction to the second actuator to rotate the chassis or not. Advantageously, when the reflector is turned towards the front of the vehicle, the rotation of the chassis is used to arrange alternatively a first, neutral screen or a second screen carrying decoupling elements in front of the reflector. light, arranged or not to form patterns for example. It will thus be possible to rotate the frame around the support which remains fixed and to turn on the second light source when it is the pattern-carrying screen in its center which is opposite this source to realize a scenario of driver's welcome before entering the vehicle.

Dans le cas d'un châssis à un écran, on peut piloter la présence ou non de l'écran en position active, c'est-à-dire devant la face du support tournée vers l'avant du véhicule, tandis que dans le cas d'un châssis à deux écrans, on peut ainsi choisir quel écran du châssis est en amont du réflecteur ou de la face d'aspect du support, selon la fonction d'éclairage et/ou de signalisation qu'on souhaite effectuer.In the case of a frame with a screen, it is possible to control the presence or absence of the screen in the active position, that is to say in front of the face of the support facing the front of the vehicle, while in the in the case of a two-screen chassis, it is thus possible to choose which screen of the chassis is upstream of the reflector or of the aspect face of the support, depending on the lighting and / or signaling function which it is desired to carry out.

On va maintenant décrire le procédé de commande d'allumage et d'extinction de la source lumineuse pendant le déplacement en rotation des éléments du module.We will now describe the ignition control process and extinction of the light source during the rotational movement of the elements of the module.

Le module est initialement dans une position de repos P1 (la position illustrée sur la figure 2) : le module 10 est orienté de manière à ce que la face d'aspect 26 soit orientée vers l'avant du véhicule, pour être visible depuis l'extérieur du véhicule. Un écran du châssis, ici le premier écran 28, est disposé en regard de la face d'aspect, en amont de celle-ci. Dans cette position on procède avantageusement à une fonction de signalisation, en allumant la deuxième source de lumière au-dessus du premier écran qui joue pour les rayons lumineux pénétrant par son bord supérieur le rôle d'un guide optique avec une face de sortie disposée en périphérie. La fonction d'aspect de la deuxième face 26 du support 16 peut ainsi être accompagnée de la fonction de signalisation fournie par le châssis 18. Cette fonction de signalisation peut être utilisée avant le démarrage du véhicule, essentiellement pour des questions esthétiques, ou lors d'un roulage de jour, pour réaliser ou participer à la fonction d'éclairage de jour dite DRL (Day Running Light)The module is initially in a rest position P1 (the position illustrated on the figure 2 ): the module 10 is oriented so that the aspect face 26 is oriented towards the front of the vehicle, to be visible from outside the vehicle. A screen of the frame, here the first screen 28, is arranged opposite the appearance face, upstream thereof. In this position, a signaling function is advantageously carried out, by lighting the second light source above the first screen, which plays for the light rays penetrating by its upper edge the role of an optical guide with an exit face disposed in periphery. The appearance function of the second face 26 of the support 16 can thus be accompanied by the signaling function provided by the frame 18. This signaling function can be used before the vehicle is started, essentially for aesthetic reasons, or when a day ride, to perform or participate in the daylighting function called Day Running Light (DRL)

Lorsque les moyens de commande reçoivent une information I1 de déclenchement d'éclairage de nuit, soit par le conducteur, soit par des capteurs de visibilité par exemple, les moyens de commande génèrent une instruction de commande C1 au premier actionneur pour la mise en rotation du support associé, afin de faire pivoter de 180° le support et faire passer la face réfléchissante en position active P2, tournée vers l'avant du véhicule.When the control means receive a night illumination triggering information I1, either by the driver or by visibility sensors for example, the control means generate a control command C1 at the first actuator for the rotation of the light. associated support, in order to rotate the support 180 ° and pass the reflective face P2 active position, facing the front of the vehicle.

Dans le même temps, les moyens de commande préparent une instruction de commande C2 à la première source de lumière pour forcer son allumage et permettre l'émission de rayons lumineux sur la face réfléchissante. Selon l'invention, les moyens de commande procèdent à un test T1 pour savoir si le support est arrivé dans une position fonctionnelle active. Tant que la réponse est négative, c'est-à-dire que la position angulaire du système optique formé par le support n'est pas comprise dans la plage de valeurs définie par le constructeur, l'instruction de commande d'allumage n'est pas envoyée à la première source lumineuse et celle-ci reste éteinte. Dès que la réponse est positive, c'est-à-dire que la position angulaire du système optique est comprise dans la plage de valeurs définie par le constructeur, l'instruction de commande C2 est envoyée et la première source de lumière est allumée et émet des rayons lumineux en direction de la face réfléchissante du support. Le fait d'avoir attendu que la position du réflecteur soit correcte avant de lancer l'allumage de la première source lumineuse permet d'éviter une réflexion des rayons aléatoires due à la rotation du réflecteur pénétrant dans le champ des rayons émis.At the same time, the control means prepare a control command C2 at the first light source to force its ignition and allow the emission of light rays on the reflecting face. According to the invention, the control means performs a T1 test to know if the support has arrived in an active functional position. As long as the response is negative, that is to say that the angular position of the optical system formed by the support is not within the range of values defined by the manufacturer, the ignition control instruction n ' is not sent to the first light source and it remains off. As soon as the response is positive, that is to say that the angular position of the optical system is within the range of values defined by the manufacturer, the control command C2 is sent and the first light source is turned on and emits light rays in the direction of the reflecting surface of the support. The fact of having waited until the position of the reflector is correct before starting the ignition of the first light source makes it possible to avoid a reflection of the random rays due to the rotation of the reflector penetrating into the field of the emitted rays.

A titre d'exemple, on prévoit une plage angulaire de +/- 2° autour de la position d'arrêt du réflecteur en position active, dans laquelle le constructeur estime que la rotation du réflecteur ne perturbe pas le trajet des rayons réfléchis en sortie du module, ou tout au moins que les perturbations qui en découlent sont acceptables pour respecter les conditions réglementaires de la fonction d'éclairage et/ou de signalisation effectuée.By way of example, an angular range of +/- 2 ° is provided around the stop position of the reflector in the active position, in which the manufacturer estimates that the rotation of the reflector does not disturb the path of the reflected rays at the output of the module, or at least that the resulting disturbances are acceptable to meet the regulatory requirements of the lighting and / or signaling function performed.

On comprend que, lorsque la fonction d'éclairage et/ou de signalisation assurée par le réflecteur 20 n'est pas utilisée, le module adopte, automatiquement ou sur la base d'une information de commande I2 reçue par les moyens de commande, une configuration différente dans laquelle le support 16 du module 10 est mis en rotation de 180° par rapport à la configuration de la figure 2, de manière à reprendre la position de repos P1 et présenter la deuxième face 26 tournée vers l'avant du véhicule, pour assurer ainsi la fonction d'aspect et/ou d'éclairage et/ou de signalisation décrite également ci-avant. Il convient selon l'invention que la première source de lumière soit éteinte avant que le support ne quitte la position active. Dans ce cas, les moyens de commande envoient simultanément, ou quasi simultanément, une instruction de commande C3 au premier actionneur pour la mise en rotation du support et une instruction de commande C4 d'extinction de la première source lumineuse. Par quasi simultanément, on comprend un léger décalage temporel par lequel la première source lumineuse est éteinte après le démarrage de la rotation du réflecteur porté par le support, en s'assurant que la position angulaire du système optique soit comprise dans la plage de valeurs acceptable avant l'extinction de la première source lumineuse.It is understood that, when the lighting and / or signaling function provided by the reflector 20 is not used, the module adopts, automatically or on the basis of a control information I2 received by the control means, a different configuration in which the support 16 of the module 10 is rotated 180 ° relative to the configuration of the figure 2 , so as to resume the rest position P1 and present the second face 26 facing the front of the vehicle, to thereby provide the appearance function and / or lighting and / or signaling also described above. It is appropriate according to the invention that the first light source is extinguished before the media leaves the active position. In this case, the control means send simultaneously, or almost simultaneously, a control command C3 to the first actuator for rotating the support and a control command C4 for extinguishing the first light source. By almost simultaneously, there is understood a slight time shift by which the first light source is extinguished after starting the rotation of the reflector carried by the support, ensuring that the angular position of the optical system is within the acceptable range of values. before the extinction of the first light source.

On vient de décrire un procédé de commande d'allumage d'une source lumineuse dans un module dans lequel aucun châssis n'est prévu mobile en rotation autour du support. On va décrire maintenant un procédé équivalent lorsque l'on prévoit un châssis comportant au moins un écran apte à venir se placer en regard du réflecteur du support, et au droit d'une seconde source lumineuse pour une fonction de signalisation complémentaire.A method for controlling the ignition of a light source in a module in which no chassis is provided rotatable around the support has been described. We will now describe an equivalent method when providing a frame having at least one screen adapted to be placed opposite the reflector of the support, and the right of a second light source for a complementary signaling function.

Le support est commandé pour que le réflecteur se trouve en position active P3 (position visible sur la figure 1) dès que le véhicule est en roulage et que la fonction d'aspect n'est plus nécessaire. Les moyens de commande donnent instruction C5 au deuxième actionneur pour amener l'un des écrans en position active en amont du réflecteur.The support is controlled so that the reflector is in the active position P3 (position visible on the figure 1 ) as soon as the vehicle is running and the appearance function is no longer necessary. The control means C5 instruction to the second actuator to bring one of the screens in the active position upstream of the reflector.

Dans le même temps, les moyens de commande préparent une instruction C6 pour l'allumage de la deuxième source de lumière, de manière à permettre l'émission de rayons lumineux dans la nappe de l'écran disposé sous la deuxième source de lumière. Selon l'invention, les moyens de commande procèdent à un test T2 pour savoir si le système optique formé par le châssis est arrivé dans une position fonctionnelle active. Tant que la réponse est négative, c'est-à-dire que la position angulaire du châssis n'est pas comprise dans une deuxième plage de valeurs définie par le constructeur, l'instruction de commande d'allumage n'est pas envoyée à la première source lumineuse et celle-ci reste éteinte. On comprend que la deuxième plage de valeurs peut être la même que la première plage de valeurs, c'est-à-dire +/-2° dans l'exemple numérique donné ici à titre d'exemple non limitatif, ou bien qu'elle peut au contraire être différente, et préférentiellement plus grande que la première plage de valeurs. En effet, les perturbations que la rotation du châssis peut générer sur les rayons émis par la deuxième source de lumière peuvent être jugées règlementairement moins pénalisantes, car impactant une fonction de signalisation, que les perturbations générées par la rotation du réflecteur et du châssis associé sur les rayons émis par la première source de lumière qui impactent une fonction d'éclairage. Dès que la réponse au test T2 est positive, c'est-à-dire que la position angulaire du système optique est comprise dans la plage de valeurs définie par le constructeur, l'instruction de commande C6 est envoyée et la deuxième source de lumière est allumée et émet des rayons lumineux en direction du premier écran arrivé sous la deuxième source de lumière. Le fait d'avoir attendu que la position du châssis soit correcte avant de lancer l'allumage de la deuxième source lumineuse permet d'éviter une réflexion interne des rayons non homogène sur la nappe formant l'écran en position active, et d'éviter ainsi que seule une partie du bord périphérique de l'écran soit illuminée.At the same time, the control means prepare an instruction C6 for the ignition of the second light source, so as to allow the emission of light rays in the web of the screen disposed under the second light source. According to the invention, the control means performs a T2 test to know if the optical system formed by the frame has arrived in an active functional position. As long as the response is negative, ie the angular position of the frame is not within a second range of values defined by the manufacturer, the ignition control command is not sent to the first light source and it remains off. It will be understood that the second range of values may be the same as the first range of values, that is to say +/- 2 ° in the numerical example given here by way of non-limiting example, or that on the contrary, it may be different, and preferentially larger than the first range of values. Indeed, the disturbances that the rotation of the frame can generate on the rays emitted by the second light source can be judged by regulations to be less penalizing, since they impact a signaling function, that the disturbances generated by the rotation of the reflector and the associated frame on the rays emitted by the first light source which impact a lighting function. As soon as the response to the T2 test is positive, that is to say that the angular position of the optical system is within the range of values defined by the manufacturer, the command instruction C6 is sent and the second light source is lit and emits light rays towards the first screen under the second light source. Waiting for the position of the chassis to be correct before starting the ignition of the second light source makes it possible to prevent internal reflection of non-homogeneous rays on the sheet forming the screen in the active position, and to avoid as well as only a portion of the peripheral edge of the screen is illuminated.

La fonction d'éclairage peut également être directionnelle, c'est-à-dire du type DBL (Dynamic Bending Light), grâce à l'actionneur 12 du module 10, qui peut commander une rotation du réflecteur de quelques degrés autour du premier axe. Cette rotation s'accompagne d'un déplacement combiné de l'écran qui reste en regard du réflecteur lorsque le châssis est solidaire en rotation du réflecteur, et lorsque le châssis est monté mobile en rotation de façon indépendante de la rotation du réflecteur, on commande la rotation de l'écran pour que là encore l'écran reste dans l'axe d'émission des rayons réfléchis par le réflecteur, pour qu'aucune dispersion des rayons ne résulte de cet éclairage directionnel. On comprend que dans ce cas, la première source lumineuse reste allumée même si l'angle de rotation du réflecteur est supérieur au seuil défini par la plage angulaire décrite ci-avant, puisque l'écran suit la rotation du support.The lighting function can also be directional, that is to say of the DBL (Dynamic Bending Light) type, thanks to the actuator 12 of the module 10, which can control a rotation of the reflector a few degrees around the first axis . This rotation is accompanied by a combined movement of the screen which remains opposite the reflector when the frame is secured to the rotation of the reflector, and when the frame is rotatably mounted independently of the rotation of the reflector, it is controlled the rotation of the screen so that again the screen remains in the axis of emission of the rays reflected by the reflector, so that no dispersion of the rays results from this directional illumination. It is understood that in this case, the first light source remains lit even if the angle of rotation of the reflector is greater than the threshold defined by the angular range described above, since the screen follows the rotation of the support.

Il convient de noter que les faisceaux générés par le ou les modules qui ont été décrits plus haut peuvent constituer des faisceaux complémentaires à des faisceaux réglementaires générés par des dispositifs conventionnels, ou bien qu'ils peuvent constituer ensemble des faisceaux réglementaires d'éclairage et/ou de signalisation.It should be noted that the beams generated by the module (s) described above may constitute beams complementary to regulatory beams generated by conventional devices, or may together constitute regulatory light beams and / or or signaling.

La description qui précède explique clairement comment l'invention permet d'atteindre les objectifs qu'elle s'est fixés et notamment de proposer un module d'éclairage et/ou de signalisation dans lequel un châssis vient en complément d'un support rotatif d'un réflecteur apte à dévier les rayons lumineux émis par une source de lumière, pour apporter une complémentarité à la fonction de signalisation notamment, et de proposer un procédé de commande d'allumage d'une source de lumière associée pour éviter la diffusion de rayons lumineux non contrôlés et qui peuvent gêner les utilisateurs de la route en amont du véhicule. La caractéristique selon laquelle la source de lumière est éteinte préalablement au déplacement en rotation du système optique formé par le support et/ou le châssis, avant d'être rallumé que sous des conditions de position angulaire du système optique, permet de bénéficier des multiples combinaisons possibles dans les fonctions d'éclairage et/ou de signalisation du véhicule qu'offrent les rotations possibles du support de réflecteur et du châssis sans pour autant présenter le risque d'un éclairage ou d'une signalisation non réglementaire.The foregoing description clearly explains how the invention makes it possible to achieve the objectives that it has set itself, and in particular to propose a lighting and / or signaling module in which a chassis complements a rotary support of a reflector adapted to deflect the light rays emitted by a light source, to provide complementarity to the signaling function in particular, and to provide a method of controlling the ignition of an associated light source to prevent the scattering of rays; illuminated uncontrolled and may interfere with the road users upstream of the vehicle. The characteristic according to which the light source is extinguished prior to the rotational displacement of the optical system formed by the support and / or the chassis, before being re-lit only under angular position conditions of the optical system, makes it possible to benefit from the multiple combinations possible in the lighting and / or vehicle signaling functions offered by the possible rotations of the reflector support and the chassis without the risk of lighting or non-regulatory signaling.

On comprend que le projecteur d'un véhicule automobile, pour réaliser des fonctions d'éclairage et/ou de signalisation, peut comporter un ou plusieurs modules identiques à celui qui a été décrit, disposés en série dans un boîtier. Dans le cas d'une série de plusieurs modules, avantageusement trois, on pourra prévoir de rendre rotatif le support de chaque module et le châssis de chaque module par des actionneurs pouvant être pilotés de façon indépendante les uns des autres, pour assurer une plus grande souplesse dans les fonctions d'éclairage et/ou de signalisation, et chacun des modules sera associé à un dispositif de commande apte à réaliser les instructions de mise en oeuvre du procédé de commande d'allumage selon l'invention, ce dispositif de commande pouvant être commun aux trois modules.It is understood that the headlight of a motor vehicle, for performing lighting and / or signaling functions, may comprise one or more modules identical to that which has been described, arranged in series in a housing. In the case of a series of several modules, advantageously three, it will be possible to rotate the support of each module and the frame of each module by actuators that can be driven independently of each other, to ensure greater flexibility in the lighting and / or signaling functions, and each of the modules will be associated with a control device capable of implementing the instructions for implementing the ignition control method according to the invention, this control device being able to be common to all three modules.

Claims (15)

Procédé de commande d'allumage d'une source lumineuse (22, 34) apte à émettre des rayons lumineux dans un système optique (18, 20) d'un module d'éclairage et/ou de signalisation (10) monté mobile en rotation entre une position active d'éclairage et/ou de signalisation et une position de repos, dans lequel on procède à l'allumage et à l'extinction de la source lumineuse en fonction d'une information de la position angulaire du système optique lors de ses déplacements entre ladite position de repos et ladite position active.Method for controlling the ignition of a light source (22, 34) capable of emitting light rays in an optical system (18, 20) of a lighting and / or signaling module (10) mounted for rotation between an active lighting and / or signaling position and a rest position, in which the light source is switched on and off according to information of the angular position of the optical system when its movements between said rest position and said active position. Procédé selon la revendication 1, dans lequel, suite à la réception d'une instruction de commande de déplacement du système optique (18, 20) de la position de repos à la position active, on conserve ladite source lumineuse (22, 34) éteinte, avant de procéder à une étape de déplacement du système optique, et dans lequel on ne procède à l'allumage de la source lumineuse seulement lorsque le système optique se retrouve dans ladite position active.A method according to claim 1, wherein, after receiving a control command for moving the optical system (18, 20) from the rest position to the active position, the said light source (22, 34) is extinguished. , before proceeding to a step of moving the optical system, and in which one ignites the light source only when the optical system is found in said active position. Procédé selon l'une des revendications 1 ou 2, dans lequel, suite à la réception d'une instruction de commande (C1, C3) de déplacement du système optique de la position active à la position de repos, on commande l'extinction de la source lumineuse avant que le système optique ne soit plus dans la position active.Method according to one of Claims 1 or 2, in which, following the reception of a control command (C1, C3) for moving the optical system from the active position to the rest position, the extinction of the light source before the optical system is no longer in the active position. Procédé selon la revendication 1 ou 2, caractérisé en ce que ladite position active est définie par une plage angulaire s'étendant autour de la position d'arrêt du système optique (18, 20) dans ladite position active.Method according to claim 1 or 2, characterized in that said active position is defined by an angular range extending around the stop position of the optical system (18, 20) in said active position. Procédé selon l'une des revendications 1 à 3, dans lequel on commande l'allumage et l'extinction d'une première source lumineuse fixe (22) apte à émettre des rayons lumineux vers une face réfléchissante (22) d'un support (16) monté mobile en rotation autour d'un premier axe (14) par l'intermédiaire d'un premier actionneur (12), et dans lequel on commande en outre l'allumage et l'extinction d'une deuxième source lumineuse fixe (34) apte à émettre des rayons lumineux dans un écran (28, 30) d'un châssis (18) qui se laisse traverser par les rayons lumineux émis par la première source lumineuse après réflexion sur la face réfléchissante, lesdites commandes d'allumage et d'extinction de la première source lumineuse et de la deuxième source lumineuse étant fonction de la position angulaire d'au moins le châssis.Method according to one of claims 1 to 3, wherein it controls the switching on and off of a first fixed light source (22) able to emit light rays towards a reflecting surface (22) of a support ( 16) rotatably mounted around a first axis (14) via a first actuator (12), and in which the further switching on and off of a second fixed light source ( 34) adapted to emit light rays in a screen (28, 30) of a frame (18) which is traversed by the light rays emitted by the first light source after reflection on the reflecting surface, said switching on and off of the first light source and the second light source depending on the angular position of at least the frame. Procédé selon la revendication précédente, dans lequel les conditions de déclenchement de l'allumage et de l'extinction de la première source lumineuse (22) et celles correspondant à la deuxième source lumineuse (34) sont différentes, de sorte que pour une position angulaire donnée du châssis (18), on peut procéder à l'allumage d'une des deux sources lumineuses sans procéder à l'allumage de l'autre.Method according to the preceding claim, wherein the conditions for triggering the ignition and extinction of the first light source (22) and those corresponding to the second light source (34) are different, so that for an angular position given the chassis (18), it is possible to switch on one of the two light sources without turning on the other. Module d'éclairage et/ou de signalisation notamment pour véhicule automobile, comportant des moyens de déviation optique (20) de rayons lumineux émis par une première source de lumière (22), ainsi qu'un châssis (18) comportant au moins un écran (28, 30) apte à prendre une position sur le trajet des rayons lumineux déviés par lesdits moyens de déviation optique, caractérisé en ce que lesdits moyens de déviation optique et ledit châssis sont montés mobile en rotation tandis que la première source de lumière reste fixe, et en ce que des moyens de commande sont aptes à envoyer des instructions de commande à des actionneurs commandant d'une part la rotation desdits moyens de déviation optique et du châssis et d'autre part l'allumage et l'extinction de ladite première source de lumière.Lighting and / or signaling module, in particular for a motor vehicle, comprising optical deflection means (20) for light rays emitted by a first light source (22), and a chassis (18) comprising at least one screen (28, 30) adapted to take a position in the path of the light rays deflected by said optical deflection means, characterized in that said optical deflection means and said frame are rotatably mounted while the first light source remains fixed , and in that control means are able to send control instructions to actuators controlling, on the one hand, the rotation of said optical deflection means and of the frame and, on the other hand, the switching on and off of said first light source. Module selon la revendication 7, caractérisé en ce que ledit châssis (18) est monté mobile en rotation indépendamment de la rotation des moyens de déviation optique (20).Module according to claim 7, characterized in that said frame (18) is rotatably mounted independently of the rotation of the optical deflection means (20). Module selon la revendication 7, caractérisé en ce que ledit châssis (18) est monté mobile en rotation solidairement de la rotation des moyens de déviation optique (20).Module according to claim 7, characterized in that said frame (18) is rotatably mounted integrally with the rotation of the optical deflection means (20). Module d'éclairage selon l'une des revendications 7 à 9, caractérisé en ce que le châssis (18) comporte deux écrans (28, 30), ledit châssis étant monté mobile en rotation pour passer d'une première position extrême dans laquelle un premier écran (28) du châssis est disposé en regard d'une deuxième source lumineuse (34) distincte et fixe par rapport à ladite première source lumineuse (22), à une deuxième position extrême dans laquelle le second écran du châssis (30) est disposé en regard de la deuxième source lumineuse.Lighting module according to one of claims 7 to 9, characterized in that the frame (18) comprises two screens (28, 30), said frame being rotatably mounted to move from a first end position in which a first screen (28) of the frame is arranged facing a second light source (34) distinct and fixed relative to said first light source (22), to a second extreme position in which the second screen of the frame (30) is arranged facing the second light source. Module selon l'une des revendications 7 à 10, caractérisé en ce qu'au moins un des deux écrans (28, 30) porte des moyens optiques aptes à dévier les rayons lumineux le traversant lorsqu'il est en position active en amont des moyens de déviation optique (20).Module according to one of Claims 7 to 10, characterized in that at least one of the two screens (28, 30) carries optical means capable of deflecting the light rays passing through it when it is in the active position upstream of the means optical deflection (20). Module selon la revendication précédente, caractérisé en ce que les moyens optiques portés par un premier desdits deux écrans (28, 30) sont différents des moyens optiques portés par le second desdits deux écrans.Module according to the preceding claim, characterized in that the optical means carried by a first of said two screens (28, 30) are different from the optical means carried by the second of said two screens. Module selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdites sources lumineuses (22, 34) consistent en des sources à semi-conducteurs.Module according to any one of the preceding claims, characterized in that said light sources (22, 34) consist of semiconductor sources. Projecteur d'éclairage et/ou de signalisation pour véhicule automobile, comprenant un boîtier et au moins un module d'éclairage et/ou de signalisation, caractérisé en ce que le module d'éclairage et/ou de signalisation est conforme à l'une des revendications 1 à 13.Lighting and / or signaling projector for a motor vehicle, comprising a housing and at least one lighting and / or signaling module, characterized in that the lighting and / or signaling module complies with one of the Claims 1 to 13. Projecteur selon la revendication précédente, caractérisé en ce qu'il comporte au moins deux modules d'éclairage et/ou de signalisation.Projector according to the preceding claim, characterized in that it comprises at least two lighting and / or signaling modules.
EP15171671.9A 2014-06-16 2015-06-11 Rotary lighting and/or signalling module Active EP2957823B1 (en)

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FR1455507A FR3022328B1 (en) 2014-06-16 2014-06-16 ROTARY LIGHTING AND / OR SIGNALING MODULE

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CN105270253B (en) 2019-07-26
FR3022328A1 (en) 2015-12-18
FR3022328B1 (en) 2016-06-10
CN105270253A (en) 2016-01-27
US20150369439A1 (en) 2015-12-24
EP2957823B1 (en) 2021-01-06

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