EP2090821B1 - Elliptisches Modul für Kraftfahrzeug - Google Patents

Elliptisches Modul für Kraftfahrzeug Download PDF

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Publication number
EP2090821B1
EP2090821B1 EP09152120.3A EP09152120A EP2090821B1 EP 2090821 B1 EP2090821 B1 EP 2090821B1 EP 09152120 A EP09152120 A EP 09152120A EP 2090821 B1 EP2090821 B1 EP 2090821B1
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EP
European Patent Office
Prior art keywords
holiday
cut
optical module
shield
cache
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Application number
EP09152120.3A
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English (en)
French (fr)
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EP2090821A1 (de
Inventor
Rémy Letoumelin
David Bourdin
Jean-Louis Velay
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Valeo Vision SAS
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Valeo Vision SAS
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Publication of EP2090821A1 publication Critical patent/EP2090821A1/de
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    • 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
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/686—Blades, i.e. screens moving in a vertical plane
    • 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
    • F21S41/62—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution for adaptation between right-hand and left-hand traffic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions

Definitions

  • the invention is in the field of lighting devices, and more particularly in the field of automotive projectors comprising means for modifying the distribution of the light emitted by this projector. It relates to an independent optical module or to be integrated in a projector comprising a plurality of optical modules. It relates in particular to an elliptical-type optical module for a motor vehicle, equipped with a holiday cache to modify the emission of a cut-off beam, including a code-type passing beam, in order to meet the lighting requirements for a "traffic left" vehicle driving on the right, or vice versa for a "traffic on the right” vehicle traveling on the left.
  • Projectors for a motor vehicle mainly comprise an optical module which is attached to the vehicle via a mounting bracket.
  • the elliptical-type optical module is more particularly a module that integrates a light source and an optical system associating at least one rear reflector and a front lens through which the light beam is emitted by the light source.
  • the mounting bracket is an intermediate connecting member between the optical module and a frame carried by the vehicle and is arranged in a housing or the like. This housing is able to accommodate ancillary organs, such as a transparent wall through which the light beam emerges, dressing masks or other accessories useful for the operation and appearance of the projector.
  • the cut-off type as a code beam.
  • elliptical modules for a motor vehicle others are intended to emit two types of light beams, including an unbroken beam, in particular of the "road” beam type, and a light beam to cut, in particular, according to the European regulations, oblique cut, beam type "code” or "crossing".
  • the passage from one to the other of the beams is obtained from the operation of a road-code mask, for example in the form of a tilting flap or similar beam-cutting member, which, in the raised position, optically active, partially mask the beam to obtain the code-type cut beam.
  • the cache In a retracted position, the cache allows the emission of the "road” type beam.
  • the road-code cache is arranged so as to partially obscure the "road-type" unbroken beam emitted by the optical module, for example being interposed between the light source and the lens. Maneuvering the driver-controlled highway code screen limits the range of the beam emitted by the headlamp, which would otherwise spread over a regulated lighting threshold that could cause discomfort to the driver of a vehicle circulating in the opposite direction.
  • the cut obtained by the road-code cover by promoting propagation of the cut-off beam laterally to the vehicle, on the side of the latter where the projector is located.
  • the cutoff is restrictive in the front area of the headlamp to avoid such discomfort, but is slightly open on the side of the headlight cover so as to increase the illumination on the low side.
  • the code-route cache forms a frontal cutoff profile avoiding the said annoyance, which is laterally extended by a lateral cutoff profile less restrictive for the propagation of the beam. This makes it possible to obtain a European regulatory code beam, said to be "obliquely cut at 15 °".
  • the lateral cutoff profile allows propagation of the light beam greater than that allowed by the cutoff profile.
  • the road-code cache has a frontal cut-off profile that is substantially horizontal, that is to say parallel to the plane of rest on the ground of the vehicle on which the projector is located.
  • the frontal cutoff profile is laterally extended by an inclined section and then a substantially horizontal profile to increase the propagation of the light beam by an angle of the order of 15 °.
  • various Similar solutions of arrangement of the cache code-route aim at providing a side window adapted to allow a propagation of the light beam higher than that allowed in the zone corresponding to the profile of frontal cutoff.
  • a problem lies in the adaptation of the optical modules providing a lighting mode with a cut-off beam according to the direction of traffic of the vehicle. More particularly, these modules are located on vehicles in a current direction of traffic, right or left according to local regulations.
  • the problem arises of the emission of the cut-off beam of a module installed on a vehicle intended to circulate along said current direction, when this vehicle is traveling in a reverse direction, known as a holidaymaker. More specifically, when the vehicle is traveling in the holiday direction, the lateral positions of the front and side profiles of the main covers that respectively comprise the right and left modules of the vehicle, are reversed compared to those initially provided for the current direction of traffic. It follows in this case that the propagation of the cut-off beam in the zone corresponding to the lateral cutoff profile of the modules is too great on the side of the lane reserved for vehicles traveling in the opposite direction, with the consequent inconvenience to their driver who is to be avoided.
  • This holiday cache is mounted movably in the module between a retracted position, in which the propagation of the light beam is only limited by the code-route cache, and an active position in which the holiday cache conceals the propagation of the beam in the zone corresponding to the profile of side cut of the cache code road.
  • These arrangements make it possible to conceal the light beam along a global cut-off line corresponding to the frontal cut-off profile, in order to avoid said annoyance when the vehicle is traveling in the opposite direction to the current direction of circulation.
  • the holiday cache is usually installed on the optical module near the road-code cover, interposed between the light source and the lens. We may for example refer to the patent EP 1 069 373 which describes an elliptical module equipped with such cache-code road and cache vacancier.
  • the arrangement of the holiday cache and mounting mobility on the projector between its retracted positions and use, induce a global overhead of the projector is to restrict the best. It is also appropriate that the arrangement of the holiday cache allows its implementation on any right or left module, to optimize its implementation costs on a vehicle. However, the arrangement and presence of the holiday cache must respect the quality of the emission of the unbroken beam. It is also preferable to avoid increasing the size of the optical module resulting from the presence of the holiday cache, especially in its axial extension direction. It is also desirable that the implementation of the holiday cache and its maneuvering modes between its retracted and active positions are easily performed by an operator.
  • the object of the present invention is to provide an elliptical module for a motor vehicle which is arranged for the emission of an unbroken beam and which is equipped with a code-road cache maneuverable from a command operated by the driver to partially mask the light emitted by the module and consequently to obtain the projection of a cut-off beam.
  • the elliptical module is more particularly of the type further equipped with a holiday cache to allow in the event of a reversal of the direction of circulation of the vehicle to avoid lateral propagation of the light emitted by the projector, so as not to induce annoyance for a driver traveling in the opposite direction, despite the emission of the cut-off beam whose propagation of the light emitted is favored laterally in the current direction of vehicle circulation.
  • the present invention proposes such an elliptical module which is also organized so as to reduce the additional cost induced by the installation of holiday caches on the right and left headlights of the vehicle, without degrading the beam without cutting, despite the presence of these holiday caches. retracted position of the code-route caches. It is also targeted by the present invention to propose modes of installation in mobility of the cache vacancier which are simple and which avoid a consequent increase in the bulk of the module (and thus of the projector integrating it), as laterally as according to its direction of corresponding extension to the optical axis of the module. It is also sought to limit light leakage out of the module to undesired areas of propagation of the emitted light.
  • the cover is movably mounted in said module between an optically active position making it possible to obtain a cut-off beam, and a retracted position making it possible to obtain an unbroken beam. function.
  • the invention can also be applied to caches that are multi-functional, in particular tri-function (with several different active positions of the cover, in addition, possibly, its retracted position "neutral” optically).
  • the cut-off member is capable of obstructing a lateral passage of the light authorized by the cover enabling the beam to be obtained. cut in the active position indifferently to the right or to the left of the module. According to the invention, the cut-off member is able to preserve the passage of the uninterrupted light beam emitted by the module in the retracted position of the bi-function code-route cache.
  • the cut-off member may comprise two cut-off parts arranged on either side of the optical axis of the module.
  • the elliptical module for a motor vehicle of the present invention is of the type capable of emitting a cut-off beam.
  • This projector integrates at least one optical module which is capable of emitting a light beam and which is carried by a projector frame by means of a carrier member.
  • the headlamp is of the "beam-cut" type and is equipped with a road-code cover which is mounted movably on a first mounting support of the optical module between an active position and a beam-cut code able to restrict the range of the beam.
  • light emitted by the projector between an unbroken beam and a beam with cutoff, and a retracted position road able to allow the scope of the light beam without interruption emitted by the projector.
  • the road-code cache comprises a first beam-cut member which has a frontal cutoff profile limiting along the optical axis of the projector the range of the light beam emitted by the optical module for obtaining the beam with cutoff.
  • This frontal cutoff profile is extended by a lateral cutoff profile promoting lateral emergence of the beam light with cutoff to increase the comfort of the driver in the current direction of the vehicle.
  • the road-code cover is equipped with first means of maneuver in mobility between its retracted position and its active position.
  • the headlamp is furthermore equipped with a holiday cache that is movable between a "beam-cut” active holiday position able to restrict the propagation of the light emitted by the headlamp at least through the passage provided by the lateral profile of the headlamp.
  • code-route cache in the opposite direction to the current direction of circulation of the vehicle, and a retracted code position able to allow the range of the light beam with cutoff emitted by the projector by releasing the passage provided by the side profile of the road-code cover for said increase in the comfort of the driver in the current direction of the vehicle.
  • the holiday cache comprises a second member "beam cut” capable of restricting in the opposite direction to the current direction of circulation of the vehicle the lateral propagation of the light beam with cut by preventing at least lateral passage of the light beam authorized by the lateral profile the code-route cache active code position, so as not to cause discomfort for a driver traveling in the opposite direction.
  • the holiday cache is equipped with second movable means on a second optical module mounting bracket between its retracted code position and its active holiday position.
  • such an elliptical module is recognizable in that the second cut-off member combines two beam-splitting elements which are distributed on either side of the optical axis of the headlamp. These beam-cut elements are able to prevent a lateral passage of the light authorized by the road-code cover in the active position either to the right or to the left of the headlight while negligibly blocking the passage of the beam. uninterrupted light propagated by the projector in the retracted position road-code cache route.
  • the two beam-splitting elements constituting one and the same second beam-cutting member are capable of limiting the lateral emission of the code-type light-breaking beam, whether the holiday cache is installed on a right optical module or on a module. Left optics of the vehicle.
  • the gap between the two beam-cutting elements arranged on either side of the optical axis of the optical module partially obstructs the road beam but preserves the regulatory areas located in the center of the latter. This difference is obtained by means of a window formed in a median zone of the second beam-cut member, without impairing the robustness of the holiday cache.
  • the holiday cache can be formed from a sheet, the window can be easily formed by stamping or cutting the second body to beam cut.
  • the holiday cache may be generally formed of a plate incorporating at its summit the second beam-cut member, which extends downwardly from the optical module according to its installation orientation on the vehicle. This extension can be hollowed out to avoid an increase in the weight of the holiday cache, to facilitate its maneuver in the general plane of the plate.
  • the holiday cache arranged in a plate can also incorporate at least one rod or similar maneuvering member, which can be operated for its operation by an operator between its active position and its retracted position.
  • the second beam-cut member may be mounted movably on the optical module in the region of its optical axis, being easily maneuverable in the general plane of the plate constituting the holiday cache. The second beam-cut member is preserved from mechanical stresses that may require a reinforcement of the holiday cache and the second means of maneuver assigned to it.
  • the holiday cache integrating the second beam-cut member and its recessed extension, are arranged and are operable frontally to the optical axis of the optical module, in the middle zone of the optical module.
  • the holiday cache and the second means of maneuver assigned to it can be structurally simple, without hindering the passage of the unbroken beam in the retracted position of the road-code cache and in the active position of the holiday cache.
  • the road-code cache and the holiday cache can be mounted on the same common mounting medium, with the advantage of limiting the space caused by their presence on the optical module, especially in the axial direction of extension of the optical module.
  • This common mounting support is isolated from the heat of the light source through a thermal sheet, in particular formed by cutting, stamping and bending of a sheet, which is able to dissipate the heat produced by the optical module.
  • the common mounting bracket can be easily installed on, or even participate in, an intermediate assembly member of the optical module on said chassis of the vehicle reserved for receiving the projector, and / or on the carrier member interposed between the optical module and the vehicle chassis.
  • the second cut-off member is arranged in a bar comprising a median window for passage of the uninterrupted light beam emitted by the headlight in the retracted position of the road-code mask and in the active position of the holiday cache.
  • This window subdivides the second beam-cut member into one and the other of the beam-cut elements whose free edges, corresponding to the lateral edges of the window, are arranged equidistant on both sides of the beam. optical axis of the projector.
  • the second beam-cut member is operable between the retracted and active positions of the holiday cache, in a plane corresponding to the general plane of extension of the holiday cache which is perpendicular to the optical axis of the optical module.
  • these comprise at least one rod, linkage or similar movement-transmitting member, which is interposed between the second beam-cut member and a mechanism articulated on the second mounting support for connecting them to each other.
  • Said mechanism is for example an eccentric mechanism or a rocking mechanism transverse to the general plane of extension of the holiday cache.
  • Said eccentric or rocker mechanism is able to cause movement of the rod from bottom to top and vice versa, and consequently to cause a similar movement of the holiday cache in its general plane of extension via the rod.
  • the bar advantageously extends laterally and / or downwardly from the optical module with respect to its implantation position on the vehicle.
  • One and / or such extensions make it possible to reinforce the desired junction, and to arrange overall the vacant plate cache recessed maneuverable in its general plane orthogonal to the optical axis of the optical module.
  • the two beam-splitting elements constituting the second cut-off member of beam are arranged on either side of the optical axis of the optical module without having to make complex the structure of the holiday cache, arranged in plate laterally provided with the rod with which it forms a one-piece assembly, or to make complex the second means of maneuvering the holiday cache mounted mobile on the second mounting bracket in the general plane of extension of the plate.
  • This plate is preferably hollowed out in its median zone to preserve the photometry of the road beam in the axis.
  • the beam-splitting elements obtained are able to restrict the range of the beam emitted by the headlight into the active position of the road-code mask without limiting the range of the light beam without interruption when the road-code mask is in the retracted position, the same cache holidaymaker can be indifferently implanted on a right projector or on a left projector of the vehicle.
  • the actuating mechanism of the rod is in relation with an eccentric lever via cooperating interlocking members.
  • the eccentric lever can be operated indifferently manually by being arranged in a joystick, wheel or similar manual maneuvering device, or in a motorized manner such as by means of an electromagnetic member or the like for example.
  • the holiday cache is shaped as a hollow plate leaving at its top the bar constituting the second beam-cut member.
  • This bar is provided with a median window subdividing the second beam-cutting member into two distinct elements with a beam cut-off indifferently right or left.
  • This recessed plate is provided laterally with a tongue constituting the rod and an actuating member cooperating with the second means of maneuvering the cache vacant between its active and retracted positions.
  • the constituent plate of the holiday cache is advantageously arranged from a cut sheet metal, stamped and folded. It is however conceivable that in a similar way the holiday cache is obtained by molding a plastic material.
  • said mechanism is of the swinging lever type, rotatably mounted on the second mounting support being in relation with the second beam-cut member, in particular by means of said cooperating interlocking members.
  • the lever is engaged on an arm extending towards the rear of the module whose end is provided with a control member, such as a control button or the like.
  • the rearward extension of the lever operating arm makes it possible to easily modify by an operator the position of the holiday cache from inside the engine compartment, between its retracted position towards the bottom of the optical module and its active position upwards. of the optical module.
  • the holiday cache is preferably provided with guide members, which are in particular formed on the rod and which cooperate with complementary guide members that comprises the second mounting bracket. These cooperating guide members are advantageously arranged as end-of-travel stop means and for maintaining the holiday cache respectively in each of its retracted or active positions.
  • the abutment means for example associate pins running along oblong slots which are respectively formed on one and / or the other of the second mounting bracket and the rod.
  • the abutment of the pins in the bottom of the lights is for example made against a tension exerted on the bead wire, which can simply be arranged as a deformable tongue, from the constituent mechanism of the second actuating means. Turning on the rod via the abutment means makes it possible to keep the holiday cache in its respective retracted or active positions, without, however, significantly reflecting this tension on the plate constituting the holiday cache in order to avoid its deformation or alteration of its reliability.
  • the road-code cache and the holiday cache are able to be mounted on the same common mounting bracket, a thermal sheet being interposed between the road-code cache and the holiday cache.
  • the first mounting bracket and the second mounting bracket are merged into one mounting bracket, a thermal sheet oriented parallel to the general plane extension of the holiday cache being interposed between the road-code cache and the holiday cache.
  • the beam-cutting elements are advantageously bent at their free end in the general plane of the second beam-cut member.
  • the road-code cover is in particular mounted tilting on the first mounting bracket and towards the rear of the optical module in the retracted position.
  • an elliptical module of the aforementioned type is recognizable in that the holiday cache and the road-code cover are mounted on a common mounting bracket axially on either side of a thermal sheet. - even climb on this common support.
  • the road-code cover is preferably arranged as a flap which is hinged on the common mounting support between its active position in which it is straightened upwards with respect to the optical axis of the module and its retracted position in which it is tilted towards the front of the optical module.
  • the thermal sheet has a lateral extension clearance to receive the flap in the retracted position of the road-code cache.
  • the cut-off member is able to obstruct locally a passage of the light authorized by the cache in the active position, in particular to the right or to the left of the module
  • the beam-breaking element or elements of the second beam-cut member are substantially planar.
  • the holiday cache does not interfere with the cut-off beam, in code mode or in road mode.
  • the concepts back and front, the concepts of vertex and position or lateral extension, and the concepts up and down, are to be understood with regard to the position of the projector and / or the optical module installed on the vehicle.
  • Axial or coaxial concepts are to be understood with regard to the optical axis of the optical module.
  • an optical module 1 is intended to equip a car projector of the "beam cut" type.
  • This optical module 1 comprises in its rear zone a light source and a reflector, not shown, and in its front zone a lens 2.
  • the optical module 1 is equipped with a road code cache 3.
  • This road code cache 3 is carried by a mounting bracket 4 that includes the optical module 1 via first mobility means 5.
  • This cache code route 3 is arranged in particular flap 6 mounted tilting on the mounting bracket 4 between a rectified active position and a retracted retracted position of the flap 6 towards the rear of the optical module 1.
  • the road-code cover 3 In the retracted position, the road-code cover 3 does not prevent the passage of the "beam at long range "emitted by the optical module 1, while in the active position rectified, the cache route code 3 limits the emergence of the light beam out of the optical module 1. This limitation avoids causing inconvenience to the driver of the vehicle circulating in the opposite direction.
  • the road-code cover 3 is organized in such a way as to favor a lateral emergence of the light on the slope side with respect to the direction of movement along the track.
  • the road-code cover 3 comprises a first beam-splitting member 7 formed by its upper edge, which has a frontal cutoff profile 8 limiting along the optical axis of the headlamp the range of the light beam emitted by the optical module 1 for the obtaining the beam with cutoff.
  • This frontal cutoff profile 8 is extended by a lateral cutoff profile 9 promoting the lateral emergence of the beam light with cutoff to increase the comfort of the driver in the current direction of the vehicle.
  • the second beam cutting member 12 is formed from a bar formed at the top of the holiday cache 10, the latter being generally shaped hollow plate.
  • the second beam-splitting member 12 comprises a window 13 which is formed in the zone corresponding to the optical module 1's optical axis. This window 13 splits the second beam-splitting member 12 into two distinct cut-off elements.
  • beam 14 and 15 which are respectively assigned to a side cutoff profile of a right projector and a left projector of the vehicle.
  • the window 13 is arranged along the optical axis of the optical module 1 so that the holiday cache 10 being in the active position, it partially degrades the unbroken road beam but preserves the regulatory photometric points located at its center when the cache code -route 3 is in the retracted position.
  • the holiday cache 10 is integrally provided with a lateral rod 16 arranged in a tongue which cooperates with a lever mechanism 18.
  • this mechanism lever 18 comprises an actuator 19 of the rod, with a drive pin 17 perpendicular to the median plane of the lever 18.
  • This lever 18 extends towards the rear of the optical module 1 and is provided with a control member 19 at its free end to be maneuverable from the engine compartment of the vehicle.
  • Guiding means 20 associate cooperating interlocking members, such as pins that comprise the mounting support 4 which circulate along oblong slots formed in the rod 16.
  • These lights and these pins constitute stop means 21 limiting the stroke of the holiday cache 10 in its general plane between its retracted position and its active position, and maintaining it in each of these positions.
  • one of the guiding pins 30 contributes to maintaining the position of the holiday cache 16 by an indexing spring 31 allowing two stable positions of the latter. Said spring is secured to the holiday cache 16 and has the shape of a U with a narrowing 32 causing a hard point during the operation of the holiday cache by the user.
  • the road-code cover 3 and the holiday cache 10 are movably mounted on the mounting support 4 while being arranged axially on either side of a thermal sheet 22.
  • This thermal sheet 22 has notches 23 for the passage to its position. through ends of the beam-splitting elements 14,15, which are bent forwards in their general plane and at their distal free end, in order to bring them as close as possible to the first beam-cut member. 7 that includes the code route code 3, when the latter is in the active position.
  • the thermal sheet 22 also has a clearance 24 for receiving the road code cover 3 in the retracted position from its tilting towards the rear of the optical module 1, so as not to hinder this maneuver while limiting the axial extension. , and therefore the size of the optical module 1.
  • the highway code cover 3 is arranged to equip a headlight of a vehicle traveling in a current direction of traffic on the right.
  • the road code cover 3 is in the active position to restrict the range of the beam emitted by the projector.
  • the tourist cache 10 is in the retracted position, the inflected portions of the beam-splitting elements 14, 15 are as close as possible to the focal plane of the road code flap.
  • the holiday cache 10 is placed in the active position for a progression of the vehicle in the opposite direction of the current direction of circulation, so as to prevent the lateral emergence of the light in the active position of the road-code cover 3.
  • the code-road cover 3 is in the retracted position for a right direction of circulation to the right and to allow a long-range emission of the light beam.
  • the vehicle progressing in the current direction of circulation the holiday cache 10 is not used and is placed in the retracted position.
  • the code-route cover 3 is in the retracted position to allow a long-range emission of the light beam.
  • the vehicle progressing in the opposite direction of the current direction of circulation the holiday cache 10 is placed in the active position. This active position of the holiday cache 10 partially obstructs the emission of a road-type light-free light beam by the module despite its location in the zone of the optical axis of the optical module 1.
  • the window 13 allows not only splitting the second beam-splitting member 12 into one and the other of the beam-splitting elements 14,15 respectively assigned to the highway-code cache implanted indifferently on a right module or on a left module of the vehicle, but also allows the passage of the light of an unbroken beam along the optical axis of the optical module 1 in the retracted position of the code-route caches 3.
  • different projection zones are represented 25 meters from the optical module 1 of light beams according to different positions of the holiday cache and the road-code cache, and according to different directions of circulation of the vehicle. More particularly according to the figures, it is illustrated the different cut-off zones of these beams according to the respective cases of use of the headlamp, and in particular according to different respective cases of placing in retracted or active position code-route cache 3 and cache vacancier 10, and according to the direction of circulation of the vehicle.
  • the zone (A) corresponds to a regulatory zone of the space where the quantity of light must be limited to comply with the implementation of the road-code cache 3 in the active position, with respect to the optical axis (A0). of the optical module.
  • the zone (B) corresponds to the beam cutoff induced by the positioning of the road-code mask 3 in the active position.
  • On the fig.7 is illustrated the traffic situation of the vehicle according to traffic on the right with a beam cut right, while on the fig.9 is illustrated the situation of the traffic of the vehicle according to a traffic on the left with a cut of beam on the left.
  • the zones (C) and (C ') correspond to the beam cutoff induced by the active setting of the holiday cache 10, respectively for the one and the other of the beam-splitting elements 14, 15.
  • the fig.8 is illustrated the situation of the progression of the vehicle in a direction of traffic on the right with a beam cut on the left
  • the fig.10 is illustrated the situation of the progression of the vehicle in a direction of movement on the left with a beam cut on the right.
  • the code-route cover 3 is in the retracted position to allow the emission in the zone (D) of a road-type uninterrupted beam.
  • the cut-off zone (B) induced by the positioning of the road-code cover 3 in the retracted position does not interfere with the emission of the road beam.
  • the holiday cache 10 since the holiday cache 10 is in the active position, the zones (C) and (C ') corresponding to the beam cut induced by the active setting of the holiday cache 10 do not, however, interfere with the transmission of the long-range beam.
  • the figures 12 and 13 show the cache
  • the holiday cache system is applicable to elliptical modules with bi-function cache. Indeed, it has the great advantage of only slightly disturbing the road-type beam corresponding to the cache in its retracted function: the road beam obtained remains regulatory (preserving the illuminated area near the optical axis). And when the bi-function cover is in the active position, as well as the holiday cache, you get a beam that is a perfect compromise between a good lighting for the driver (the cut remains flat, contrary to the most common "holidaymaker” solutions) and a significant lack of glare for the driver of the opposite car.
  • the beam-splitting elements 14 and 15 of the second beam-splitting member 12 are substantially planar, as illustrated in FIG. figure 15 .
  • the holiday cache 10 does not interfere with the cut-off beam, neither in code mode nor in road mode (see respectively Figures 16 and 17 ).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (9)

  1. Optikmodul (1) vom ellipsoiden Typ für Kraftfahrzeugscheinwerfer, das wenigstens ein Lichtbündel mit schräger Hell-Dunkel-Grenze vom Typ Abblendlicht und ein Lichtbündel ohne Hell-Dunkel-Grenze auszusenden vermag und das ausgestattet ist mit
    - einer Blende (3), die auf einem ersten Montageträger (4) des Optikmoduls (1) zum Erzielen des Abblendlichtbündels montiert ist, wobei die Blende (3) in dem Modul zwischen einer die Erzielung eines Abblendlichtbündels ermöglichenden optisch aktiven Stellung und einer die Erzielung eines Lichtbündels ohne Hell-Dunkel-Grenze ermöglichenden abgesenkten Stellung beweglich montiert ist,
    - einer Ferienblende (10), die zwischen einer optisch aktiven "Ferien"-Stellung und einer abgesenkten Stellung beweglich montiert ist, wobei die Ferienblende (10) ein Lichtbeschneidungsorgan (12) umfasst und auf einem zweiten Montageträger (4) des Optikmoduls (1) mit Betätigungsmitteln (11) zwischen ihrer abgesenkten Stellung und ihrer aktiven Ferienstellung bewegbar ausgestattet ist,
    dadurch gekennzeichnet, dass das Lichtbeschneidungsorgan (12) der Ferienblende (10) als Leiste mit zwei beiderseits der optischen Achse des Moduls angeordneten Lichtbeschneidungsteilen (14, 15) und einem mittleren Fenster (13) zum Hindurchlassen des Lichtbündel ohne Hell-Dunkel-Grenze ausgeführt ist, das von dem Modul in abgesenkter Stellung der Blende (3) und in aktiver Stellung der Ferienblende (10) emittiert wird, wobei das Fenster (13) das Lichtbeschneidungsorgan (12) in das eine und das andere Lichtbeschneidungselement (14, 15) unterteilt, deren freie Ränder insbesondere im Wesentlichen mit gleichem Abstand zur optischen Achse (A0 des Optikmoduls (1) angeordnet sind.
  2. Optikmodul (1) nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass die Ferienblende (10) als eine ausgesparte Platte ausgeführt ist, in deren Scheitelbereich die das Lichtbeschneidungsorgan (12) bildende Leiste ausgebildet ist.
  3. Optikmodul (1) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das Lichtbeschneidungsorgan (12) durch eine Translationsbewegung zwischen der abgesenkten und der aktiven Stellung der Ferienblende (10) in einer Ebene verschiebbar ist, die der allgemeinen Ebene der Erstreckung der Ferienblende (10) entspricht, die im Wesentlichen lotrecht zur optischen Achse (A0) des Optikmoduls (1) verläuft.
  4. Optikmodul (1) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die Betätigungsmittel (11) wenigstens eine Stange (16) umfassen, die insbesondere zwischen dem zweiten Lichtbeschneidungsorgan (12) und einem auf dem zweiten Montageträger (4) gelenkig gelagerten Mechanismus eingefügt ist, um diese miteinander in Verbindung zu bringen.
  5. Optikmodul (1) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die Ferienblende (10) mit Führungsorganen (20) versehen ist, die mit komplementären Führungsorganen zusammenwirken, die der zweite Montageträger (4) aufweist, wobei diese zusammenwirkenden Führungsorgane (20) als Endstellungs- und Halteanschlagmittel (21) der Ferienblende (10) in jeder ihrer abgesenkten bzw. aktiven Stellung ausgeführt sind.
  6. Optikmodul (1) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das oder die Lichtbeschneidungselemente (14, 15) des zweiten Lichtbeschneidungsorgans (12) im Wesentlichen eben sind.
  7. Optikmodul (1) nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die Ferienblende (10) mit Führungsorganen versehen ist, von denen ein Führungsstift (30) daran mitwirkt, die Ferienblende (10) mit einer zwei feststehende Positionen ermöglichenden Indexfeder (31) in ihrer Stellung zu halten.
  8. Optikmodul (1) nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass die Indexfeder (31) mit der Ferienblende (10) fest verbunden ist und im Wesentlichen die Form eines eine Verengung (32) aufweisenden U hat.
  9. Kraftfahrzeugscheinwerfer mit einem Optikmodul (1) nach einem der vorhergehenden Ansprüche.
EP09152120.3A 2008-02-14 2009-02-05 Elliptisches Modul für Kraftfahrzeug Active EP2090821B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0800826A FR2927689B1 (fr) 2008-02-14 2008-02-14 Module elliptique pour vehicule automobile

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EP2090821A1 EP2090821A1 (de) 2009-08-19
EP2090821B1 true EP2090821B1 (de) 2014-11-12

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Publication number Priority date Publication date Assignee Title
KR101610535B1 (ko) * 2014-11-04 2016-04-20 현대자동차주식회사 적응형 전조등 시스템의 빔 패턴 조절 장치

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407108C2 (de) * 1993-06-30 2003-03-13 Bosch Gmbh Robert Fahrzeugscheinwerfer mit einer verstellbaren Blendenanordnung
FR2796448B1 (fr) * 1999-07-13 2001-12-21 Valeo Vision Projecteur pour vehicule automobile avec un cache a multipositions
FR2796447B1 (fr) 1999-07-13 2001-08-17 Valeo Vision Projecteur pour vehicule automobile avec un double cache mobile
ATA18292000A (de) * 2000-10-25 2005-09-15 Zizala Lichtsysteme Gmbh Fahrzeugscheinwerfer
DE10216177A1 (de) * 2002-04-12 2003-11-13 Hella Kg Hueck & Co Projektionsmodul für einen Fahrzeugscheinwerfer
FR2847657B1 (fr) * 2002-11-21 2005-03-04 Valeo Vision Projecteur elliptique pour vehicule automobile emettant des faisceaux d'eclairage differents
US20060209555A1 (en) * 2005-03-15 2006-09-21 Ming-Shan Kuo High beam and low beam switch mechanism for head lights
EP2069685B1 (de) * 2006-09-27 2013-11-06 Volkswagen Aktiengesellschaft Scheinwerferanordnung für ein fahrzeug und verfahren zum steuern einer scheinwerferanordnung

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FR2927689A1 (fr) 2009-08-21
EP2090821A1 (de) 2009-08-19
FR2927689B1 (fr) 2015-01-23

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