EP3252369A1 - Beleuchtungs- und/oder signalisierungsvorrichtung für kraftfahrzeug, das ein leuchtmodul umfasst, das mithilfe eines luftstromerzeugenden generators gekühlt wird - Google Patents

Beleuchtungs- und/oder signalisierungsvorrichtung für kraftfahrzeug, das ein leuchtmodul umfasst, das mithilfe eines luftstromerzeugenden generators gekühlt wird Download PDF

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Publication number
EP3252369A1
EP3252369A1 EP17172846.2A EP17172846A EP3252369A1 EP 3252369 A1 EP3252369 A1 EP 3252369A1 EP 17172846 A EP17172846 A EP 17172846A EP 3252369 A1 EP3252369 A1 EP 3252369A1
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EP
European Patent Office
Prior art keywords
lighting
signaling device
support plate
ice
light module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17172846.2A
Other languages
English (en)
French (fr)
Other versions
EP3252369B1 (de
Inventor
Jérôme Chiron
Mehdi Madelaine
Thomas Daniel
Joaquim Oliveira
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Valeo Vision SAS
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Valeo Vision SAS
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Publication date
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Publication of EP3252369A1 publication Critical patent/EP3252369A1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/147—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device
    • F21S41/148—Light emitting diodes [LED] the main emission direction of the LED being angled to the optical axis of the illuminating device the main emission direction of the LED being perpendicular to the optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/28—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
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • 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
    • F21S41/50—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by aesthetic components not otherwise provided for, e.g. decorative trim, partition walls or covers
    • 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
    • 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
    • F21S43/20—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
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F21S45/435—Forced cooling using gas circulating the gas within a closed system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/60—Heating of lighting devices, e.g. for demisting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a lighting and / or signaling device for a motor vehicle.
  • a rigid air flow duct is placed between the air flow generator and the housing ice. This leads brings the hot air having passed through the fins of the heat sink to an area of the ice, called cold zone, likely to give rise to visible condensation phenomena when a light source is turned on.
  • a disadvantage of this state of the art is that it is necessary to provide a dedicated air flow duct for the flow of air between the air flow generator and the housing ice. This results in the use of one or more additional parts in the package resulting in higher manufacturing costs as well as greater bulk.
  • the present invention aims to solve the aforementioned drawbacks.
  • the support plate of the light module is a pre-existing part in the housing, so it is not necessary to use an additional element as in the state of the prior art to ensure the circulation of air.
  • the flow of air between the airflow generator and the heat sink is direct without the need for any conduit. This reduces the number of parts in the lighting and / or signaling device and therefore the manufacturing costs.
  • the inner wall belongs to the housing.
  • the inner wall belongs to structural complementary element.
  • This complementary structural element is an exoskeleton.
  • the inner wall and the support plate of the light module form between them a spacing sufficient to guide the flow of air to the ice.
  • the fins of the heat sink are arranged in a first plane and the interstices of the support plate of the light module are arranged in a second plane, said first and second planes being parallel.
  • the fins of the heat sink are spaced apart by a first distance and the interstices of the support plate of the light module are spaced apart by a second distance, the first distance and the second distance being identical.
  • the number of interstices of the support plate of the light module is greater than the number of fins of the heat sink.
  • each gap in the support plate of the light module is formed by an input, an output and two walls connecting said input to said output, the output having a section S3 greater than a section S2 of the input .
  • said walls of the gap are fixed.
  • said walls of the interstice are movable.
  • the support plate of the light module is fixed relative to the housing.
  • the support plate of the light module is mounted movably relative to the housing so as to pivot according to a turn or to tilt according to the attitude of the motor vehicle.
  • the lighting and / or signaling device comprises a complementary source of heat.
  • the complementary heat source is a heating resistor.
  • the light source is one or more semiconductor emitter chips.
  • the semiconductor emitter chip is part of a light emitting diode.
  • the lighting and / or signaling device further comprises a mask disposed relative to the ice so as to prevent the flow of air between said mask and said ice.
  • said mask is further disposed with respect to an optical surface so as to have a spacing sufficient to guide the flow of air to the ice.
  • the lighting and / or signaling device further comprises a light guide and a light guide support, said light guide support being arranged relative to an upper portion of the ice so as to have sufficient spacing to allow the flow of air to pass along the upper part of the ice.
  • the lighting and / or signaling device is a front projector of a motor vehicle.
  • the lighting and / or signaling device 10 for a motor vehicle is described with reference to the Figures 1 to 6 .
  • motor vehicle we mean any type of motorized vehicle.
  • the lighting and / or signaling device 10 is a front projector of a motor vehicle.
  • the lighting and / or signaling device 10 further comprises a complementary structural element 23, called an exoskeleton. Said exoskeleton is attached and fixed in the housing 1.
  • the housing 1 is adapted to receive the light module or modules 5chacun with their heat sink 11, the air flow generator 15 and the support plate 19 of each of the light modules 5. It thus delimits an interior volume to receive all these elements.
  • the ice-cream 3 is adapted to close the casing 1.
  • it comprises a transparent zone 30 and a black zone 32.
  • the transparent zone 30 is a so-called cold zone at which there are risks of condensation or icing on its inner surface.
  • the black zone 32 is a stylistic element and makes it possible to hide the inside of the lighting and / or signaling device 10.
  • the ice cream 3 may be completely transparent, without a zone black.
  • a light module 5 comprises at least one optical surface and at least one light source cooperating with said optical surface to form a light beam.
  • the light sources 7, 7 ' are one or more semiconductor emitter chips.
  • each semiconductor emitter chip is part of a light-emitting diode.
  • Light-emitting diode means any type of light-emitting diode, whether in non-limiting examples of LEDs ("Light Emitting Diode”), OLEDs ("organic LEDs”), AMOLEDs (Active-Matrix-Organic LEDs), or FOLED (Flexible OLED).
  • the first light source 7 and the second light source 7 ' are mounted on a conductive plate 8 which transmits the heat emitted by the light sources 7, 7' to the heat sink 11.
  • the figure 1 represents a sectional view of the lighting and / or signaling device 10.
  • the lighting and / or signaling device 10 comprises the generator of an airflow 15 adapted to generate the air flow 17.
  • air flow generator is meant a fan adapted to stir a certain volume of air towards the heat sink 11.
  • the fan 15 is here fixed on the exoskeleton 23. can be fixed on other areas or elements of the box.
  • the heat sink 11 is adapted to evacuate the heat generated in operation by the light module 5. It is therefore physically linked to the latter.
  • the heat sink 11 has a plurality of fins 13 through which flows the air stream 17 from of the air flow generator 15.
  • the fins 13 of the heat sink 11 are parallel to each other and spaced apart by a first distance D1.
  • the air flow 17 is divided into a plurality of secondary flows by the fins 13 of the heat sink 11. Each secondary flow is heated by said fins 13.
  • the fins 13 are arranged in a first plane P1.
  • the heat sink 11 then directs the air flow 17 to the support plate 19.
  • the support plate 19 of the light module 5 is adapted to direct the air flow 17 to the ice 3.
  • This support plate 19 of the light module receives the light module 5 and the heat sink 11 which is linked thereto in other words, the light module 5 and its heat sink 11 are fixed on the support plate 19. It also has an aesthetic function.
  • the support plate 19 of the light module 5 is fixed relative to the housing 1.
  • the support plate 19 of the light module 5 is mounted movably relative to the housing 1 so as to pivot according to a turn or to tilt according to the attitude of the motor vehicle carrying the lighting and / or signaling device.
  • the lighting and / or signaling device 10 comprises one or more motors and a rod system (not shown).
  • the motor or motors are slaved to the angle of rotation of the steering wheel of the vehicle so as to rotate the lighting device and / or signaling according to a turn.
  • the engine (s) can be slaved to the attitude of the vehicle.
  • the support plate 19 of the light module 5 comprises a front portion 20a and a rear portion 20b.
  • the front portion 20a is oriented towards the window 3 and comprises a plurality of interstices 21 adapted to direct the flow of air 17 to a window 3.
  • the rear portion 20b forms with an inner wall of the lighting device and / or signaling 10 a conduit for guiding the air flow 17 to the interstices 21 of the front portion 20a.
  • the inner wall belongs to the structural complementary element 23, here the exoskeleton.
  • the inner wall belongs to the housing 1.
  • the duct formed by the inner wall (1 or 23) and the rear part 20b of the support plate 19 of the light module 5 has a spacing E1 (illustrated in FIG. figure 1 ) sufficient to guide the air flow 17 to the front portion 20a of the support plate 19.
  • the spacing E1 is between 20mm (millimeters) and 30mm.
  • This spacing E1 has a section S1 which decreases towards the front portion 20a of the support plate 19, which accelerates the air flow 17 towards this front portion 19a.
  • the support plate 19 and the inner wall direct the flow of air 17 towards the interstices 21 of the front portion 20a of the support plate 19.
  • the interstices 21 are here arranged in a second plane P2.
  • the second plane P2 interstices 21 is parallel to the first plane P1 of the fins 13. This reduces turbulence in the air flow 17.
  • the second plane P2 of the interstices 21 is coplanar with the first plane P1 of the fins 13.
  • the fins 13 are thus aligned with the interstices 21. This makes it possible to avoid the loss of speed. of the air flow 17.
  • the figure 5 is a perspective view of the front portion 20a of the support plate 19.
  • This front portion 20a comprises a gate 28.
  • This gate 28 has on a lower portion a plurality of interstices 21.
  • the interstices 21 of the support plate 19 are spaced apart between them a second distance D2.
  • the first distance D1 between two adjacent fins 13 of the heat sink 11 is identical to the second distance D2 between two interstices of the grid 28.
  • each secondary flow formed by the heat sink 11 will be able to pass in a gap 21 of the support plate. There is thus for each secondary flow a pair of adjacent fins pair / interstice associated. This promotes the circulation of secondary flows and therefore limits the pressure losses of the stream 17. There is less turbulence created and better heat exchange.
  • the number of interstices 21 of the support plate 19 is greater than the number of fins 13 of the heat sink 11. This produces a style effect visible by an observer outside the motor vehicle.
  • the support plate 19 comprises openings 22 for the passage of fixing screws for fixing the support plate 19 to the rest of the lighting and / or signaling device 1.
  • the figure 6 represents a sectional view of a gap 21 of the front portion 20a of the support plate 19 of the light module 5 according to a non-limiting embodiment.
  • This gap 21 is formed by an inlet 210 (by which the air flow 17 enters), an outlet 211 (through which the airflow 17 exits) and two walls 212, 213 connecting the inlet 210 and the outlet 211.
  • the inlet 210 has a section S2 and the output 211 has a section S3.
  • the section S3 of the outlet 211 is greater than the section S2 of the inlet 210. In this way, it comes to create a venturi effect at the gap 21.
  • This venturi effect makes it possible to increase the speed of flow of the air flow 17 towards the ice 3. By this increase in speed, it improves the defrosting and / or the removal of the condensation of the ice 3. This reduces the time to remove condensation and / or defrosting time.
  • the walls 212, 213 are flat so as to promote the flow of the air flow and to limit the pressure drops. As can be seen in figure 6 , the walls 212, 213 of the gap 21 form an angle ⁇ with a direction X, corresponding to the direction of travel of the vehicle.
  • the angle ⁇ is constant and the walls 212, 213 of the interstice are fixed.
  • the angle ⁇ varies and the walls 212, 213 of the gap 21 are movable.
  • the lighting and / or signaling device 10 comprises a motor (not shown) and a connecting rod system (not shown) connected to the walls of the gap 21. In this way, it It is possible to direct the stream 17 on specific areas of the ice. This improves the defrosting and / or the time to remove the condensation of these determined areas of ice 3.
  • the complementary heat source is a heating resistor.
  • the complementary heat source is disposed in the air flow 17 on the inner wall on which the flow of air 17 is passed, upstream or downstream of the interstices 21.
  • the complementary heat source is fixed on the exoskeleton 23 or on the housing 1.
  • the lighting and / or signaling device 10 further comprises at least one mask which has an aesthetic function.
  • the lighting and / or signaling device 10 comprises a mask 27 disposed along a light guide support 33 (described below) and a mask 29 disposed between the support plate 19 and the ice-cream 3.
  • the mask 29 defines with the optical surface 9 ', a spacing E4 having a section S4 sufficient for the passage of the air flow.
  • the spacing E4 is between 10 mm and 15 mm.
  • the mask 29 is disposed relative to the ice 3 so as to prevent the passage of a portion of the air flow 17 between the mask 29 and the ice 3. This ensures that the entire air flow 17 from the support plate 19 is guided to the zones 30, 32 of the ice 3 to defrost and / or to remove the condensation.
  • the The lighting and / or signaling device 10 further comprises a light guide 31 and a light guide support 33.
  • the light guide support 33 is arranged with respect to an upper portion 35 of the window 3 so as to have a spacing E5, having a section S5.
  • This spacing E5 is sufficient to allow the air flow 17 to pass along the upper part 35 of the ice 3. This ensures the evacuation of the air stream 17 from the lighting and / or signaling device 10 , once the defrosting operation and / or removal of the condensation carried out.
  • the spacing E5 is at least equal to 5 mm.
  • the lighting and / or signaling device 10 may be bi-modules, that is to say it may comprise two light modules 5 mounted on their support plates 19 each light module 5 being associated with a fan 15 respectively.
  • the two support plates 19 cooperate with each of the fans 15 and light modules 5 as previously described and thus comprise gaps 21 as described above for directing the flow of air 17 to the ice 3.
  • the other plate then has a front portion 20a full, without gaps 21.
  • the support plate 19 with the interstices 21 cooperates more particularly with the light module 5 whose light sources 7, 7 'release the most calories in operation.
  • a light module 5 is configured to perform the photometric function of so-called "high beam” and the other light module is adapted to perform the low beam light beam photometric function.
  • each light module 5 is adapted to perform part of the photometric function of the high beam and part of the photometric function of the low beam.
  • each light module 5 comprises light sources 7 and 7 '(previously described).
  • the light beam produced to perform the photometric function of low beam passing light is cutoff. It thus comprises two segments, one of which is horizontal and the other inclined.
  • one of the light modules 5 comprises the light sources 7 'for producing the inclined segment, namely to produce a sub-function called "kink” in English
  • the other light module 5 comprises the light sources 7 'to achieve the horizontal segment, namely to achieve a sub-function called "flat” in English.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
EP17172846.2A 2016-05-31 2017-05-24 Beleuchtungs- und/oder signalisierungsvorrichtung für kraftfahrzeug, das ein leuchtmodul umfasst, das mithilfe eines luftstromerzeugenden generators gekühlt wird Active EP3252369B1 (de)

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FR1654904A FR3051889B1 (fr) 2016-05-31 2016-05-31 Dispositif d'eclairage et/ou de signalisation pour vehicule automobile equipe d'un module lumineux refroidi au moyen d'un generateur d'un flux d'air

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FR3034494B1 (fr) * 2015-03-30 2018-04-27 Valeo Vision Module lumineux pour projecteur de vehicule automobile
DE102016124763A1 (de) * 2016-12-19 2018-06-21 HELLA GmbH & Co. KGaA Beleuchtungsvorrichtung für Fahrzeuge
CN108944644B (zh) * 2018-06-29 2020-08-25 重庆市华燕机械有限公司 一种车灯支架
KR102171171B1 (ko) * 2020-02-27 2020-10-28 재단법인대구경북과학기술원 제습이 가능한 차량용 램프
FR3107752B1 (fr) * 2020-02-28 2022-04-15 Valeo Iluminacion Sa Dispositif d'éclairage automobile
JP2021174082A (ja) * 2020-04-21 2021-11-01 株式会社ビートソニック 雨水、雪、霜又は霙の付着防止方法
EP4194743A1 (de) * 2021-12-10 2023-06-14 Valeo Vision Beleuchtungsvorrichtung für ein kraftfahrzeug

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WO2013134804A1 (de) * 2012-03-12 2013-09-19 Zizala Lichtsysteme Gmbh Fahrzeugscheinwerfer mit laserlichtquelle

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CN107448860B (zh) 2022-02-01
US20170343182A1 (en) 2017-11-30
CN107448860A (zh) 2017-12-08
FR3051889B1 (fr) 2020-03-06
EP3252369B1 (de) 2019-01-30
FR3051889A1 (fr) 2017-12-01
US10228105B2 (en) 2019-03-12

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