Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
  • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
  • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
  • B60Q1/068—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by mechanical means
  • B60Q1/0683—Adjustable by rotation of a screw
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
  • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
  • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
  • B60Q1/076—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle by electrical means including means to transmit the movements, e.g. shafts or joints
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
  • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
  • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
  • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
  • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
  • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
  • B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
  • B60Q1/122—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position with electrical actuating means
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
  • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
  • F21S41/28—Cover glass
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
  • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
  • F21S41/2805—Cover glass
• • 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
  • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
  • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
  • F21W2102/10—Arrangement or contour of the emitted light
  • F21W2102/17—Arrangement or contour of the emitted light for regions other than high beam or low beam
  • F21W2102/19—Arrangement or contour of the emitted light for regions other than high beam or low beam for curves

Definitions

• the invention relates to the field of automotive lighting. More precisely, the invention relates to a lighting device for a motor vehicle comprising a light module and devices for manual and dynamic adjustment of this light module.
• a motor vehicle lighting device comprises a device for adjusting the orientation of the light beam (s) that it is capable of emitting.
• This adjustment device makes it possible, on the one hand, to manually adjust the orientation of a light beam emitted by this light device, for example at the end of the manufacture of this positive device or when it is necessary to proceed to repair or replacement of this device.
• This manual adjustment thus fixes a reference orientation of this light beam, from which it is possible to proceed with a dynamic adjustment of the orientation of the light beam.
• the adjustment device makes it possible, on the other hand, to move the orientation of the light beam at will, dynamically, from this reference orientation. It is thus possible to perform dynamic lighting functions of bends or dynamic adaptations of the range of the light beam, for example as a function of the slope of the road.
• Known devices generally comprise a housing, provided with elements for fixing the device to the body of the motor vehicle, and closed by a closing glass forming part of the continuity of the body of the vehicle.
• the function of this glass is in particular to protect the various elements arranged in the housing, and in particular the adjustment device, from bad weather, such as rain or snow, and projections from the road, for example of gravel.
• the invention relates to a lighting device for a motor vehicle, comprising a housing and members for fixing the housing to a body of the mobile vehicle, the device comprising a plate arranged in the housing and supporting at least one light module, the light device comprising a device for manual adjustment of the orientation of the housing relative to the fasteners of the motor vehicle arranged outside the housing and a device for dynamic adjustment of the orientation of the housing. the plate relative to the housing arranged inside the housing.
• the invention thus proposes to separate the functions of manual adjustment and of dynamic adjustment.
• the manual adjustment function being implemented either at the factory or in the garage, it is thus possible to clean the lighting device so that manual adjustment can be carried out without any problem.
• the integration of the dynamic adjustment device in the housing makes it possible to protect this adjustment device, so as to prevent external elements, and in particular snow, from damaging or preventing its operation. It is thus possible to dispense with the presence of a protective glass completely closing off the cavity provided in the bodywork intended to receive the lighting device, so as to obtain a luminous device with a “non-closing glass” appearance.
• the housing is at least partially, in particular completely, closed by a closing glass. If necessary, the dynamic adjustment device is thus protected by this closing glass.
• the closing glass is arranged to extend into the cavity provided in the bodywork intended to receive the lighting device, and not, as in known headlamps, in the continuity of this bodywork. In this way, the lighting device appears, from the point of view of an outside observer, as being devoid of closing glass.
• the closing glass is advantageously formed from a single piece made of transparent material.
• the housing has a front opening delimited by a periphery and the closing glass is arranged to at least partially close this opening.
• the housing has a gluing groove formed around the periphery of the front opening, and the closing glass has a peripheral rim received and glued in this gluing groove.
• the closing glass is provided with at least one housing projecting, in particular towards the front of the lighting device, from the rest of the glass and in which extends at least partially the light module.
• the housing has a shape corresponding to that of the light module and thus extends around at least part of the light module.
• the dimensions of the housing are substantially greater than those of the light module, so as to allow horizontal and / or vertical movement of the light module in this housing.
• the light module comprises a light source and a projection optical element arranged to project on the road a light beam emitted by the light source, and at least the projection optical element of the light module extends into the housing.
• the housing or housings projecting from a main portion of the closing glass the main portion extends behind this projection optical element.
• dissociation of the manual adjustment and dynamic adjustment functions makes it possible to limit the clearance between the light module and the walls of this housing to the clearance of the light module necessary for the dynamic adjustment, without having to take into account the travel required for manual adjustment.
• this debate for a dynamic adjustment of the orientation of the light beam capable of being emitted by the light module by plus or minus 3 °, may be between plus or minus 2 mm. Therefore, it is possible to arrange the wall of this housing as close as possible to the light module, thus reinforcing the aspect “without closing glass.
• the housing of the closing glass comprises a front portion, in particular of concave shape with respect to the light module, intended to be traversed by a light beam emitted by the light module.
• the housing of the closing glass may include a portion, for example lower, projecting towards the front of the device relative to the front portion.
• the luminous device comprises an opaque cover arranged in front of the closing glass and extending around the housing of the closing glass and / or extending against the main portion of the closing glass.
• the fixing members comprise an exoskeleton provided with elements for fixing the exoskeleton to the body of the motor vehicle, the housing being mounted on the exoskeleton by means of the manual adjustment device.
• the fixing elements are arranged to prevent any displacement of the exoskeleton with respect to the bodywork.
• the fasteners comprise lugs for fixing to the body, each of the lugs comprising a zone of weakness, for example of less thickness compared to the rest of the lug, intended to allow the lug to break when 'an impact of an obstacle with the motor vehicle, for example a pedestrian, causing the lighting device to detach from the bodywork.
• the exoskeleton can support other elements of the lighting device, and in particular signaling modules or hubcaps or masks of the lighting device.
• the light device is devoid of closing glass intended to close the exoskeleton.
• the manual adjustment device comprises three connecting members of the ball joint type, between the fixing members and the housing.
• the connecting members include a so-called fixed connection point, around which the housing can pivot, a vertical manual adjustment member adapted to apply a force to the housing at this member and a horizontal manual adjustment member capable of applying a force to the housing at this member, the fixed point and the vertical manual adjustment member defining a vertical axis around which the housing can pivot and the fixed point and the horizontal manual adjustment member defining a horizontal axis around which the housing can pivot.
• the fixed point comprises a screw with a substantially spherical head fixedly mounted on the exoskeleton, the head being housed in a substantially spherical housing of a capsule fixed to the housing.
• one or each of the vertical and horizontal manual adjustment members comprises a screw mounted movable in translation, in particular horizontal, on the exoskeleton and comprising a head snapped into a capsule fixed to the housing.
• the screw mounted to move in translation on the exoskeleton is mounted in a housing of the exoskeleton comprising an internal thread cooperating with an external thread of the screw.
• one or each of the vertical and horizontal manual adjusters may include an adjustment screw extending vertically with respect to the exoskeleton and meshed with an idler gear, itself meshed with the mounted screw. mobile in horizontal translation
• the plate is mounted on the housing by means of the dynamic adjustment device.
• the dynamic adjustment device comprises three ball joint type connecting members, between the plate and the housing, including a so-called fixed connection point, around which the plate can pivot and at least one vertical dynamic adjustment member or horizon tal comprising an actuator connected, directly or indirectly, to the plate and capable of applying a force to the plate at the level of this member, the fixed point defining with one or both of the other connecting members a vertical axis and / or a horizontal axis around which the plate can pivot.
• the third connecting member can also be a fixed point, or be a manual or dynamic horizontal or vertical adjustment member.
• the dynamic adjustment device may include a control unit arranged to control the actuator.
• the actuator can be a direct current electric motor or a stepping electric motor.
• the control unit can be arranged to receive instructions from a computer of the motor vehicle, for example an instruction for modifying the vertical or horizontal orientation of the light beam emitted by the light module determined as a function of '' a slope or curvature of the road and to control the actuator so as to cause a rotation of the plate around the vertical and / or horizontal axis in accordance with these instructions received
• the light module is a light module arranged to emit a road lighting beam.
• it may be a light module designed to emit a lighting beam of the regulatory crossing type, of regulatory road type or segmented or pixelated type.
• the luminous device can comprise a plurality of luminous modules supported by the plate.
• the plate may include a plurality of sub-plates each supporting one of the light modules.
• FIG. 1 shows, schematically and partially, a light device according to one embodiment of the invention
• FIG. 2 represents, schematically and partially, an exploded view of the lighting device of [FIG. 1];
• FIG. 3 shows, schematically and partially, a sectional view of the readminating device of [FIG. 1];
• FIG. 4 shows, schematically and partially, a front view of the reading device of [FIG. 1];
• FIG. 5 shows, schematically and partially, a rear view of the lighting device of [Fig. 1]
• FIG. 1 a front view, schematic and partial, of a lighting device 1 of a motor vehicle.
• the [Fig. 2] shows an exploded view of this light device 1 while [Fig. 3] shows a sectional view, through a vertical plane, of this lighting device 1.
• the light device 1 comprises a first light module 21, arranged to emit a lighting beam of regulatory crossing type, and a second light module 22, arranged to emit a pixelated road type lighting beam.
• the first module 21 comprises a light source 21a, a reflector 21b and a projection lens 21c, these elements being supported by the same part 21d forming a heat sink.
• the first module 21 is thus arranged so that the light emitted by the light source 21a is reflected by the reflector 21b and then projected onto the road by the projection lens 21c to form a light beam having an upper cutoff of the regulatory crossing type.
• the second light module 22 comprises a plurality of light sources 22a, a plurality of microlenses 22b each associated with one of the light sources 22a and an optical projection device 22c comprising two lenses, these elements being mounted on a 22d support.
• the second module 22 is thus arranged so that the light emitted by each of the light sources is projected onto the road, after having passed through the associated micro lens 22b and the optical device 22c, forming an elementary light beam, all of the beams elementary light coming from all the light sources 22a thus forming a light beam of the segmented red type.
• Each of the light sources 22a is selectively controlled by a control unit (not shown) so as to turn on and off the elementary light beam emitted by this source or to modify its light intensity.
• Each light module 21 and 22 is mounted on a sub-plate 31, respectively 32, the sub-plates 31, 32 being integral and forming a plate 3.
• the lighting device 1 comprises a housing 4 defining an internal volume in which are arranged the plate 3 and the light modules 21 and 22.
• FIG. 4 a partial view, on the front face, of the lighting device 1 showing an example of fixing the plate 3 on the housing 4.
• the plate 3 is mounted on the housing 4 by means of a dynamic adjustment device 5 allowing the plate 3 to be dynamically oriented relative to the housing 4.
• the dynamic adjustment device 5 comprises a first connecting member 51, of the ball joint type, between the sub-plate 32 and the housing 4, said fixed point.
• This member 51 comprises a screw with a substantially spherical head 51a fixedly mounted on the housing 4, the head being housed in a substantially spherical housing of a capsule 51b fixed to the sub-plate 32.
• the dynamic adjustment device 5 comprises a second connecting member 52 of the ball-joint type, comprising an actuator 52a fixed to the housing 4 and connected to the sub-plate 32 by a snap-in screw 52b, by a ball-joint connection, in a capsule 52c fixed to this sub-plate 32.
• the screw 52b is capable of being driven in horizontal translation by the actuator 52a, so as to apply a force to the sub-plate 32 at the level of the capsule 52c.
• the dynamic adjustment device 5 comprises a third connecting member 53, of the ball joint type, between the sub-plate 31 and the housing 4, similar to the fixed point 51, that is to say composed of 'a screw 53a mounted on the housing 4 and the head of which is housed in a capsule 53b mounted on the sub-plate 31 while being arranged substantially above this fixed point 51.
• the fixed points 51 and 53 thus define a vertical axis VI around which the plate can pivot, in particular when the second connecting member 52 exerts a force pushing or pulling on the plate 3 at the level of the capsule 52c.
• the dynamic adjustment device 5 thus comprises a control unit (not shown) arranged to receive, from a computer of the motor vehicle, instructions for modifying the horizontal orientation of the light beams emitted by the light modules 21 and 22, by example determined by a curvature of the road and to control the actuator 52a of the second connecting member 52 so as to cause a rotation of the plate around the vertical axis VI in accordance with these instructions received.
• the dynamic adjustment device 5 thus allows dynamically modifying the horizontal orientation of the light beams emitted by the first and second light modules 21 and 22, so as for example to allow the realization of a dynamic lighting function of bends.
• the housing 4 has a front opening delimited by a periphery 41 on which is formed a bonding groove 42.
• the opening of the housing 4 is closed by a closing glass 6 including a peripheral rim 61 is received and glued in this bonding groove 42.
• the closing glass 6 is formed in one piece made of transparent material.
• the closing glass 6 is provided with a main portion 62 extending from the re peripheral edge and from which protrude, towards the front of the lighting device, a first housing 63 and a second housing 64.
• a portion of the first light module 21, and in particular the projection lens 21c, extends into the first housing 63.
• a portion of the second light module 22, and in particular the optical projection device 22c extends in the second housing 64. It will be seen in the light of [FIG. 3] that each housing 63, 64 thus extends around the light module 21, 22 which it houses, their dimensions being such that they allow horizontal displacement of the light modules 21, 22, for example driven by the adjustment device. dynamic 5, in their homes.
• the main portion 62 extends behind the projection optical elements 21c and 22c.
• Each housing 63, 64 comprises a concave front portion 63a, respectively 64a, intended to be traversed by a light beam emitted by the light module 21, 22 arranged in this housing, as well as a lower portion 63b, respectively 64b , protruding towards the front of the device 1 with respect to the front portion.
• the dynamic adjustment device 5 is thus protected by this closing glass 6.
• the closing glass 6 extends into the cavity provided in the body C (represented in hatched lines) receiving the lighting device 1. Due to the dimensions and shape of the glass 6 and of the housing 4, the absence of glass extending from the upper wall towards the lower wall of the body C, the presence of the housings 63, 64 on the glass 6, in particular the shape of the concave front portions 63a and 64a, mimicking an optical lens and the lower portions 63b and 63c accentuating an effect of depth, the luminous device appears 1, from the point of view of an outside observer, as being devoid of closing glass.
• the device 1 further comprises an exoskeleton 7 for mounting the housing 4 on the body C of the vehicle.
• the exoskeleton 7 is provided with fixing lugs 71 allowing it to be fixed to the body C, without it being is possible, in the example described, to move it relative to this C series body.
• the device 1 comprises a manual adjustment device 8 with the aid of which the housing 4 is mounted on the exoskeleton 7.
• This manual adjustment device 8 comprises a first connecting member 81, of the ball type, between the exoskeleton 7 and case 4, called a fixed point.
• This member 81 comprises a screw with a substantially spherical head 81a fixedly mounted on the exoskeleton 7, the head being housed in a substantially spherical housing of a capsule 81b fixed to the housing 4.
• the manual adjustment device 8 further comprises two manual adjustment members 82 and 83.
• the adjustment member 82 is a horizontal manual adjustment member capable of applying a force to the housing at the level of this member. It comprises a screw 82a movably mounted, in horizontal translation, on the exoskeleton 7 and provided with a snap-fastened head, by a link to its ball joint, in a capsule 82b fixed to the housing.
• the screw 82a is mounted in a housing of the exoskeleton comprising an internal thread cooperating with an external thread of the screw.
• the screw 82a is accessible from the outside of the housing 4 and of the exoskeleton 7, at the rear face of this exoskeleton. When an operator operates the screw 82a, it is driven in translation and exerts a force on the housing 4 at the level of the capsule 82b.
• the adjustment member 83 is a vertical manual adjustment member capable of applying a force to the housing at the level of this member. It comprises an adjustment element 83a, comprising in the example described an adjustment screw mounted vertically in the exoskeleton, generating a return pinion.
• the return pinion is itself meshed on a screw mounted to move, in horizontal translation, on the exoskeleton 7 and provided with a snap-in head, via a ball joint, in a capsule 83b fixed to the housing.
• the element 83a is accessible from the outside of the housing 4 and of the exoskeleton 7, at the level of the upper face of this exoskeleton. When an operator operates this element 83a, he drives the screw in horizontal translation and exerts a force on the housing 4 at the level of the cap 83b.
• the fixed point 81 and the horizontal manual adjustment member 82 defining a horizontal axis H1 around which the housing 4 can pivot, in particular when the operator operates the vertical adjustment member 83 and that the fixed point 81 and the vertical manual adjustment member 83 defining a vertical axis V2 around which the housing 4 can pivot, in particular when the operator operates the horizontal adjustment member 82.
• the invention could be adapted for a single light module provided in the housing or even for more than two light modules provided in the housing. Provision may be made to attach other elements of the light device to the exoskeleton, and in particular other light modules, in particular light signaling modules, or even hubcaps or masks intended to hide non-aesthetic parts of the device. luminous.

Landscapes

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

Applications Claiming Priority (2)

Publications (1)

Family

ID=71094599

Family Applications (1)

Country Status (5)

Family Cites Families (12)

• 2020
  • 2020-04-27 FR FR2004160A patent/FR3109621B1/fr active Active
• 2021
  • 2021-04-20 CN CN202180031537.2A patent/CN115461246A/zh active Pending
  • 2021-04-20 WO PCT/EP2021/060283 patent/WO2021219446A1/fr unknown
  • 2021-04-20 US US17/996,974 patent/US11975649B2/en active Active
  • 2021-04-20 EP EP21720458.5A patent/EP4143057A1/de active Pending

Also Published As

Similar Documents

Legal Events