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
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
  • F21S43/27—Attachment thereof
• • 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
  • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
  • B60Q1/2619—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic built in the vehicle body
  • B60Q1/2638—Positioning the device housing by indexing means separate from the fastening means, e.g. pins, rails
• • 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
  • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
  • B60Q1/2696—Mounting of devices using LEDs
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
  • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
  • F21S43/14—Light emitting diodes [LED]
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
  • F21S43/19—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
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
  • F21S43/19—Attachment of light sources or lamp holders
  • F21S43/195—Details of lamp holders, terminals or connectors
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
  • F21S43/31—Optical layout thereof
  • F21S43/315—Optical layout thereof using total internal reflection
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors
  • F21S43/37—Attachment thereof
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F21—LIGHTING
  • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
  • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
  • F21S43/40—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the combination of reflectors and refractors

Definitions

• the invention relates to a lighting or signaling device for a motor vehicle.
• the invention also relates to a method of assembling a lighting or signaling device of a motor vehicle.
• Motor vehicle lighting or signaling devices which comprise an enclosure formed by a housing and an ice and intended to receive a reflector and a light source mounted on a support.
• To assemble such a lighting or signaling device it is common to position and fix, in particular by screwing, the support in the housing, then to position and fix, in particular by screwing, the reflector on the support or on the housing. Finally, we set up and fix the ice on the housing.
• the operations of fixing the support in the housing and fixing the reflector on the support or on the housing are, particularly when it comes to screwing operations, generating complexity and therefore costs.
• the document FR 2 952 164 A1 proposes a lighting and / or signaling device intended to reduce the complexity and production cost of lighting or signaling devices for a motor vehicle.
• the lighting and / or signaling device of a motor vehicle of FR 2 952 164 A1 comprises an enclosure formed by a housing and an ice and receiving a support supporting at least one light source and a reflector.
• the housing and the ice respectively have a first support means on the support or on the reflector or on the support-reflector assembly and a second support means on the support or on the reflector or on the support-reflector assembly .
• the support means make it possible to immobilize the support or the reflector or the support-reflector assembly in at least one direction, or even to apply a mechanical action, for example bending, constraining the support or the reflector or the support-reflector assembly.
• a method of assembling a lighting and / or signaling device of document FR 2 952 164 A1 comprises the following steps:
• An object of the invention is to provide a new lighting or signaling device having a reduced number of parts assembled by stacking without using screws.
• Another object of the invention is to provide a new method of assembly of lighting or signaling device to reduce costs and facilitate assembly without using screws, while ensuring good accuracy of the assembled device.
• the subject of the invention is a lighting or signaling device for a motor vehicle, comprising an enclosure formed by a housing and an ice-cream, said enclosure receiving a printed circuit carrying at least one light source and an optical device, characterized by the fact that the housing comprises means for fixing the stack of the printed circuit carrying at least one light source and the optical device, so as to secure the housing, the printed circuit carrying at least one light source and the optical device, sandwiching the circuit board carrying at least one light source between the housing and the optical device.
• This device is of simpler realization, several parts can be mounted at the same time. In addition, it allows more precision in the adjustment of the light source with respect to the optical device. This is even more interesting when it is a light emitting diode, also called LED (or LED).
• the housing comprises printed circuit positioning means and the printed circuit comprises optical device positioning means.
• the housing comprises a flat bearing centering means, and coming into contact with a lower face of ice or lid, surrounding the printed circuit and the optical device assembled by stacking the housing.
• the housing and the ice or lid are fixed between them without screws and sealingly by a continuous assembly line connecting two surfaces, avoiding subjecting the printed circuit and the assembled optical device to a bearing stress due to the ice cream.
• said means for fixing the stack of the printed circuit carrying at least one light source and the optical device for the housing are subjected to a deformation of their protruding ends to fix the stack of the printed circuit and the optical device to the housing.
• the deformation of the protruding ends of said fixing means for fixing the stack of the printed circuit and of the optical device to the housing comprises a sewing operation or riveting hot, so as to form a mushroom-shaped head.
• said printed circuit comprises passage means, through which pass said fixing means.
• said optical device comprises passage means, through which pass said fixing means.
• said means pass through said passage means of the printed circuit and then through said passage means of the optical device, so that the fixing means each have a protruding end extending beyond the optical device, these protruding ends having a deformation to fix the stack of the circuit board and the optical device to the housing.
• said passage means of the printed circuit and / or said passage means of the optical device are holes
• said fixing means of the stack of the printed circuit carrying at least one light source and the optical device to the housing comprise pions or rods extending from a bearing surface of the housing receiving a support a lower face of the printed circuit.
• the light source may comprise at least one light emitting diode.
• said means for fixing the stack of the printed circuit carrying at least one light source and the optical device to the housing comprise pins or rods extending from a bearing surface of the housing receiving a lower face of the printed circuit.
• the optical device comprises at least one collimator; it can include several collimators. each collimator is opposite a single light source, and receives light essentially solely from it, which is thus associated with it.
• the collimator is a transparent optical part intended to be traversed by the light of the source associated therewith; advantageously the collimator is arranged to distribute the light rays according to a given photometry; for example, the optical device makes it possible, thanks to its collimator or collimators, to generate a signaling beam of the day position lamp type (also called "DRL").
• the optical device comprises a plurality of collimators and is integral in one piece; for example, the one-piece material has portions in the form of a collimator and portions joining these collimators.
• the invention also relates to a method of assembling a lighting or signaling device of a motor vehicle, comprising an enclosure formed by a housing and an ice according to the invention, comprising the following steps:
• the final solidarization operation of the assembly of the housing, the printed circuit, and the optical device comprises a deformation of the protruding ends of fastening means extending from a bearing surface of the housing.
• the method comprises a step of assembling the ice to the housing made without stress transmission or deformation to the printed circuit or the optical device.
• the light source comprises at least one light emitting diode
• Figure 1 shows schematically a perspective view of a lighting device or signaling device according to the invention.
• Figure 2 schematically shows a perspective view of a housing and a printed circuit of lighting or signaling device according to the invention, before assembly.
• Figure 3 schematically shows a perspective view of a housing and a printed circuit of lighting or signaling device according to the invention, after assembly.
• Figure 4 schematically shows a perspective view of a housing and a printed circuit of lighting or signaling device according to the invention and an optical device before assembly.
• Figure 5 schematically shows a perspective view of a housing and a printed circuit of lighting or signaling device according to the invention and an optical device after assembly.
• Figure 6 schematically shows a perspective view of a housing and a printed circuit of lighting or signaling device according to the invention and an assembled optical device, and an ice, before assembly.
• Figure 7 schematically shows a perspective view of a housing and a printed circuit of lighting or signaling device according to the invention and an assembled optical device, and an ice, after assembly.
• Figure 8 schematically shows a sectional view of a lighting or signaling device according to the invention.
• FIG. 9 schematically represents a flow chart of an assembly method according to the invention of a housing, a printed circuit, an optical device, and an ice to form a lighting or signaling device. according to the invention
• a preferred embodiment of a lighting or signaling device for a motor vehicle comprises a housing 1.
• the lighting or signaling device is a diurnal light-emitting diode signaling device.
• the housing 1 is preferably made of plastic material by molding.
• the housing 1 comprises a first printed circuit positioning means 2a, in particular on a cooperating conformation of a printed circuit.
• the housing 1 comprises a second printed circuit positioning means 2b, in particular on a cooperating conformation of a printed circuit.
• the positioning means 2a, 2b comprise, for example, pins or rods, in particular studs extending from the bottom of the casing 1.
• the housing 1 comprises a first means 3a for fixing the housing 1 of a printed circuit stack and optical device.
• the housing 1 comprises a second means 3b for fixing the housing 1 of a printed circuit stack and optical device.
• the fastening means 3a, 3b comprise, for example, pins or rods, in particular studs extending from a bearing surface of the casing 1 intended to receive a lower face of the printed circuit.
• the housing 1 comprises a printed circuit abutment means 4, in particular intended to come into contact with a lower face of the printed circuit.
• the housing 1 comprises a connector mounting means or electrical interface not shown, in particular for electrically connecting the printed circuit with a control means of a motor vehicle to which the device according to the invention is intended.
• the housing 1 also comprises a centering means 6 forming a flat surface, in particular intended to come into contact with a lower face of ice or transparent cover or translucent closure and intended to be assembled tightly.
• the preferred embodiment of a lighting or signaling device for a motor vehicle comprises the housing 1 and a printed circuit 7.
• the printed circuit 7 may consist of a plate, in particular a printed circuit board, on which at least one light source is fixed.
• a light source may comprise one or more light-emitting diodes soldered to the plate, for example four light-emitting diodes 8a, 8b, 8c, 8d welded to the plate.
• the printed circuit 7 comprises two positioning means 12a, 12b of the printed circuit 7 relative to the housing 1.
• the two positioning means 12a, 12b of the printed circuit 7 relative to the housing 1 comprise for example two holes 12a, 12b of the printed circuit 7 intended for positioning relative to the housing 1.
• positioning means 12a, 12b of the printed circuit 7 with respect to the housing 1 are in particular intended to cooperate with the positioning means 2a, 2b comprising pins or rods extending from the bottom of the housing 1.
• this respective cooperation of the positioning means is achieved by penetration of the pins 2a, 2b in the holes 12a, 12b of the printed circuit 7.
• the printed circuit 7 comprises two passage means 13a, 13b of the fixing means 3a, 3b comprising pins or rods extending from a bearing surface of the housing 1 intended to receive a lower face of the printed circuit 7.
• These two passage means 13a, 13b of the printed circuit 7 comprise for example two holes 13a, 13b of the printed circuit 7 for the passage of the fastening means 3a, 3b.
• this implementation of the passage means 13a, 13b is achieved by penetration of the pins or fixing means 3a, 3b and passage through the holes 13a, 13b of the printed circuit 7.
• the printed circuit 7 also comprises other positioning means 14a, 14b of the printed circuit 7 with respect to an optical device.
• These other positioning means 14a, 14b of the printed circuit 7 with respect to an optical device comprise for example holes 14a, 14b, in particular holes passing through the printed circuit 7. These other positioning means 14a, 14b of the printed circuit 7 are intended to cooperate with positioning means provided on the optical device.
• the preferred embodiment of a lighting or signaling device for a motor vehicle comprises the assembly of the housing 1 and the printed circuit 7, without relative fixing or securing of the housing 1 and the printed circuit 7.
• the two positioning means 12a, 12b of the printed circuit 7 cooperate with the positioning means 2a, 2b comprising pins or rods extending from the bottom of the housing 1, by penetration of the pins 2a, 2b into the holes 12a, 12b of the printed circuit board 7.
• the two passage means 13a, 13b of the printed circuit 7 cooperate with the fixing means 3a, 3b, by penetration of the pins or fixing means 3a, 3b and passage through the holes 13a, 13b of the printed circuit 7.
• the other positioning means 14a, 14b of the printed circuit 7 with respect to an optical device comprise the holes 14a, 14b passing through the printed circuit 7.
• the preferred embodiment of a lighting or signaling device for a motor vehicle comprises the assembly of the housing 1 and the printed circuit 7, without relative fixing or securing of the housing 1 and the printed circuit 7, and an optical device 15.
• the optical device 15 is preferably made of plastic material by molding.
• the optical device 15 preferably comprises a first relief structure 16 allowing the light to pass therethrough and in which recessed shapes forming an optical collimator are formed. Alternatively, only the hollow shapes 17 let the light through them, the rest of the first relief structure 16 being opaque.
• optical lenses 18a, 18b, 18c, 18d are formed, vis-à-vis which four light-emitting diodes 8a, 8b, 8c, 8d are arranged, so that some of the radii light emitted by these light-emitting diodes pass through these lenses.
• the hollow forms forming an optical collimator 17 constitute, strictly speaking, the optical device.
• the optical device 15 has a plane contour 19 and two lugs 20 of support on the upper face of the printed circuit 7.
• the two support lugs 20 on the upper face of the printed circuit 7 have two passage means 21a, 21b fixing means 3a, 3b comprising pins or rods extending from a bearing surface of the housing 1.
• These two passage means 21a, 21b fastening means 3a, 3b comprise for example two holes 21a, 21b for passing fastening means 3a, 3b for the passage of the fastening means 3a, 3b.
• this implementation of the passage means 21a, 21b of the fixing means 3a, 3b is achieved by penetration of the pins or fixing means 3a, 3b and passage of the fixing means 3a, 3b to through holes 21a, 21b.
• the optical device 15 comprises positioning means 22a, 22b of the optical device with respect to the printed circuit.
• the two positioning means 14a, 14b of the printed circuit 7 comprising two holes are intended to cooperate with the positioning means 22a, 22b of the optical device relative to the printed circuit.
• the positioning means 22a, 22b of the optical device with respect to the printed circuit comprise for this purpose pins or rods extending from below the optical device 15.
• this respective cooperation of the positioning means is achieved by penetration of the pins 22a, 22b into the holes 14a, 14b of the printed circuit 7.
• optical positioning means The adjustment of these optical positioning means is relatively precise: so that the light sources are correctly positioned relative to the recessed shapes, so that the light rays emitted by the light sources are correctly directed after collimation by the recessed shapes, the game between the optical device and the printed circuit is typically less than 0.1 mm.
• the preferred embodiment of a lighting or signaling device for a motor vehicle comprises the assembly of the housing 1, the printed circuit 7, and the optical device 15.
• the two positioning means 14a, 14b of the printed circuit 7 comprising two holes are traversed by the positioning means 22a, 22b of the optical device 15 with respect to the printed circuit.
• the positioning means 22a, 22b of the optical device relative to the printed circuit comprise in this example pins or rods extending from below the optical device 15; but the invention also extends to any other arrangement, in particular the variant according to which the two positioning means 14a, 14b of the printed circuit 7 comprise two pins passing through two holes forming part of the positioning means 22a, 22b of the optical device 15 by report to the circuit board.
• the radii closest to the overall emission axis of the four light-emitting diodes 8a, 8b, 8c, 8d go through the holes 18a, 18b, 18c, 18d formed at the bottom of the hollow forms 17 forming optical collimator.
• the plane contour 19 and the two support lugs 20 of the optical device 15 are applied to the upper face of the printed circuit 7.
• the two passage means 21a, 21b of the two lugs 20 of support on the upper face of the circuit printed 7 are traversed by the fixing means 3a, 3b comprising pins or rods extending from a bearing surface of the housing 1.
• optical 15 by deformation of the protruding ends of the fastening means 3a, 3b extending from a bearing surface of the housing 1.
• the operation of deformation of the protruding ends of the fixing means 3a, 3b. is preferably a riveting or hot riveting, so as to form a mushroom-shaped head.
• the preferred embodiment of a lighting or signaling device for a motor vehicle comprises the permanently fixed assembly of the housing 1, the printed circuit 7, and the optical device 15 and a transparent ice or lid 23 or translucent.
• the transparent or translucent ice or lid 23 has a lower surface 24 forming a flat surface, bordered by a shoulder peripheral 25 constituting a rim for capping the centering means 6 of planar bearing housing 1.
• the transparent or translucent ice or lid 23 preferably comprises a second raised structure 26 intended to cover the first raised structure 16 of the optical device 15.
• the preferred embodiment of a lighting or signaling device for a motor vehicle comprises the assembly of the housing 1, the printed circuit 7, and the optical device 15 with the ice or lid 23 transparent or translucent .
• the ice or transparent or translucent cover 23 is applied by its lower face 24 forming a flat surface on the centering means 6 forming a flat surface of the housing 1.
• the transparent or translucent lens or cover 23 is centered on the casing 1 by the peripheral shoulder 25 forming a flange on the plane bearing centering means 6 of the casing 1.
• the two flat surfaces are secured to each other, for example by ultrasonic welding.
• the lighting or signaling device for a motor vehicle comprises the assembly of the housing 1, the printed circuit 7, and the optical device 15 with the ice or lid 23 transparent or translucent.
• the ice or transparent or translucent cover 23 is applied by its lower face 24 forming a flat surface on the centering means 6 forming a flat surface of the housing 1.
• the transparent or translucent ice or lid 23 is centered on the casing 1 by the inner shoulder 27 forming a flange on the flat bearing centering means 6 of the casing 1.
• the optical device 15 comprises in this example a first opaque structure in relief 16 in which hollow shapes 17 forming an optical collimator are formed. At the bottom of the hollow shapes 17 forming an optical collimator, optical lenses 18a, 18b, 18c, 18d are provided opposite four light-emitting diodes 8a, 8b, 8c, 8d.
• the hollow forms forming an optical collimator constitute the optical collimation device.
• FIG. 8 is also represented in dashed lines, long-short line, the overall emission axis of the light-emitting diode 8b.
• the rays emitted by the diode are inscribed in a cone having as axis this global emission axis.
• the rays closest to this axis reach the optical lens 18b.
• the more distant rays enter the optical collimator 17 by walls coming down from the lens towards the diode 8b. They then propagate in the collimator to get out of it by the periphery of the collimator.
• this periphery corresponds to the steps around the lens.
• the surfaces of these steps may, as in this figure, include blows to increase the diffusion of rays coming out of the collimator.
• the ice-cream 23 is advantageously fixed to the housing 1 by ultrasonic welding, preferably in a sealed manner by producing a continuous peripheral weld bead.
• the housing 1 may also comprise, at the top of its edges, a channel 28 intended to receive an adhesive product.
• a peripheral edge may for this purpose be provided on the mirror 23.
• a bead of the adhesive product is disposed at the bottom of the channel 28.
• FIG. 9 an embodiment of a method for assembling a device according to the invention is described below with reference to steps 100 to 108.
• This embodiment is applied in particular to the production of a device according to the embodiment described with reference to FIGS. 1 to 8.
• a housing 1 comprising a first printed circuit positioning means 2a, a second printed circuit positioning means 2b, a first means 3a for fixing to the housing 1 of a printed circuit stack and optical device, a second means 3b for fixing to the housing 1 of a printed circuit and optical device stacking and centering means 6 forming a flat surface, in particular intended to come into contact with a lower face of ice or transparent or translucent cover closure and intended to be assembled tightly.
• the printed circuit 7 may consist of a plate, including a printed circuit board, on which is fixed at least one light source.
• the printed circuit 7 may carry one or more electroluminescent diodes soldered to the plate, for example four light-emitting diodes 8a, 8b, 8c, 8d welded to the plate.
• the printed circuit 7 comprises two positioning means 12a, 12b of the printed circuit 7 relative to the housing 1, in particular intended to cooperate with the positioning means 2a, 2b comprising pins or rods extending from the bottom of the casing 1.
• the printed circuit 7 comprises two passage means 13a, 13b of the fixing means 3a, 3b comprising pins or rods extending from a bearing surface of the housing 1 intended to receive a lower face of the printed circuit 7.
• the printed circuit 7 comprises other positioning means 14a, 14b of the printed circuit 7 with respect to an optical device.
• a third step 102 the printed circuit 7 is put in place or positioned in the housing 1. This positioning or positioning is performed by the cooperation of the corresponding positioning means.
• this third step 102 fixing the printed circuit 7 in the housing 1.
• the printed circuit 7 only holds by gravity in the housing 1. If the housing 1 is returned, the printed circuit 7 escapes from the housing 1.
• the optical device 15 is provided with hollow shapes 17 forming an optical collimator or reflector, passage means 21a, 21b fixing means 3a, 3b of the housing 1, and positioning means 22a. , 22b of the optical device with respect to the printed circuit.
• a fifth step 104 the optical device 15 is put in place or positioned on the printed circuit 7.
• This positioning and positioning is carried out by the cooperation of their respective positioning means described above: for this purpose, the two positioning means 14a, 14b of the printed circuit 7 comprising two holes are traversed by the positioning means 22a, 22b of the optical device 15 relative to the printed circuit.
• the plane contour 19 and the two support lugs 20 of the optical device 15 are applied to the upper face of the printed circuit 7.
• the two passage means 21a, 21b of the two lugs 20 of support on the upper face of the circuit printed 7 are traversed by the fixing means 3a, 3b comprising pins or rods extending from a bearing surface of the housing 1.
• optical 15 by deformation of the protruding ends of the fastening means 3a, 3b extending from a bearing surface of the housing 1.
• the operation of deforming the protruding ends of the fastening means 3a, 3b is preferably a riveting or hot riveting, so as to form a mushroom-shaped head.
• This operation of deformation of the protruding ends of the fastening means 3a, 3b. bouterollage or hot riveting thus makes it possible to secure the stack of the housing 1, the printed circuit 7, and the optical device 15 after successive positioning of the housing 1 and the printed circuit 7, then the printed circuit 7, and the optical device 15
• ice 23 is provided.
• the transparent or translucent glass or cover 23 may comprise a lower face 24 forming a flat surface and a shoulder 25 or 27 constituting a flange intended to cooperate with the plane-bearing centering means 6 of the housing 1.
• the transparent or translucent ice or lid 23 may comprise a relief structure 26 intended to cover a raised structure 16 of the optical device 15.
• a seventh step 106 the ice 23 is fixed to the housing 1.
• the transparent or translucent ice or lid 23 is applied by its face lower 24 forming a flat surface on the centering means 6 forming a flat surface of the housing 1.
• the transparent or translucent lens or cover 23 is centered on the casing 1 by the shoulder 25 or 27 forming a flange on the flat bearing centering means 6 of the casing 1.
• the two flat surfaces are secured to each other, for example by ultrasonic welding.
• the joining of the two flat surfaces together is preferably effected in a sealed manner by producing a continuous peripheral weld bead.
• a bead of adhesive is placed in a channel 28 made in the housing 1. During this step of fixing the ice on the housing 1, the ice support means surrounds the optical device without pressing on its upper face.
• the printed circuit and the optical device assembled by stacking to the housing 1 are not subject to any bearing stress due to the ice 23.
• the electrical connection of the assembled device according to the invention can be performed to a control means of a motor vehicle to which the device according to the invention is intended.
• the connector mounting or electrical interface means 5 of the housing 1 are used for electrically connecting the conductors or plugs of the printed circuit to the control means of a motor vehicle to which the device according to the invention is intended.
• the invention described with reference to particular embodiments is not in any way limited to them, but on the contrary covers any modification of form and any variant embodiment within the scope of the appended claims.

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• 2013
  • 2013-10-11 FR FR1359923A patent/FR3011784B1/fr active Active
• 2014
  • 2014-10-10 CN CN201480055950.2A patent/CN105765296B/zh active Active
  • 2014-10-10 US US15/027,315 patent/US9909732B2/en active Active
  • 2014-10-10 WO PCT/EP2014/071797 patent/WO2015052324A1/fr active Application Filing
  • 2014-10-10 EP EP14783625.8A patent/EP3055611A1/de not_active Withdrawn
  • 2014-10-13 TW TW103135337A patent/TWI629187B/zh active

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