EP3438523B1 - Schwenkbares leuchtmodul für fahrzeugscheinwerfer - Google Patents

Schwenkbares leuchtmodul für fahrzeugscheinwerfer Download PDF

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Publication number
EP3438523B1
EP3438523B1 EP18186112.1A EP18186112A EP3438523B1 EP 3438523 B1 EP3438523 B1 EP 3438523B1 EP 18186112 A EP18186112 A EP 18186112A EP 3438523 B1 EP3438523 B1 EP 3438523B1
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EP
European Patent Office
Prior art keywords
fins
base
lighting module
fin
light module
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EP18186112.1A
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English (en)
French (fr)
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EP3438523A1 (de
Inventor
Pascal GARIN
Rémi Letoumelin
Stephane Andre
Thibault MENN
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Valeo Vision SAS
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Valeo Vision SAS
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Priority claimed from FR1757523A external-priority patent/FR3062461B1/fr
Application filed by Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP3438523A1 publication Critical patent/EP3438523A1/de
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Publication of EP3438523B1 publication Critical patent/EP3438523B1/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
    • 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
    • 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
    • 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]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device

Definitions

  • the invention relates to the field of lighting and/or signaling devices for motor vehicles. It relates more particularly to a light module intended to be mounted in a motor vehicle headlight, the optical module being pivotable relative to the headlight.
  • Automotive headlights are usually composed of a housing which is closed by a transparent wall through which pass one or more light beams emitted by one or more light modules housed in this headlight housing.
  • a light module mainly comprises a light source and an optical system capable of modifying at least one parameter of the light generated by the light source for the emission of this or these light beams.
  • light-emitting diodes when lit, light-emitting diodes have the disadvantage of producing heat which proves to be harmful to their operation. Indeed, the more a light-emitting diode rises in temperature, the more its luminous flux decreases.
  • the light module is designed to generate a beam requiring high light intensity, such as for low beams, high beams or fog lights, the number of light-emitting diodes and/or the power necessary for their operation is high. Due to the sharp rise in temperature of the light module during use, it is necessary to reduce its temperature to avoid any damage inherent to excessive heat.
  • a heat sink is provided in this module comprising a base carrying the light-emitting diodes on a first face and a heat-dissipating part provided on the face of the base opposite to this. first side.
  • the heat dissipating part can in particular be arranged towards the bottom of the projector housing, that is to say opposite the transparent wall closing the housing.
  • EP 2 218 964 A2 And CN 106 122 873 A disclose light modules generating at least one light beam known from the prior art.
  • the invention fits into this context and it proposes a light module comprising a heat dissipating part arranged so as to significantly reduce the volume occupied by the light module as a whole in order to facilitate its pivoting in a reduced space in a motor vehicle headlight.
  • the invention proposes a light module generating at least one light beam along an optical axis for a motor vehicle, according to claim 1.
  • the light module comprises at least one light source and at least one heat sink configured to dissipate calories generated by the light source, the heat sink comprising at least one base arranged to capture the calories generated by the light source and a dissipation member arranged to dissipate the calories captured by the base outside the light module, the dissipation member comprising a series of fins extending respectively projecting from the base, each fin being defined by a vertex which extends at a distance from the base and which defines the length of this fin, and by two end edges extending between said vertex and said base.
  • the light module is configured to pivot around a first pivot axis and around a second pivot axis, and the series of fins is configured so as to have eccentric fins whose length is less that the length of the fins present in the center of the dissipation member, at least one fin also having at least one bevel at the junction between the top and an end edge.
  • the dissipation member comprises fins, necessary to increase the heat exchange surface and the correct dissipation of heat, the length of which decreases from the center towards the periphery of the series of fins so as to reduce its bulk at the level of opposite edges of the base.
  • length we mean the direction in which the fins move away from the base.
  • the height of a peak is less than the height of the fin at the base of the heat sink.
  • height we mean here the direction in which the tops of the fins extend, parallel to the first pivot axis.
  • the length of the fins varies so that their tops are in a cylindrical shape.
  • the lengths of the fins are such that the vertices are arranged on or inside a circle whose radius is defined substantially by the dimension between the top of the central fin and a pivot axis, the fins being arranged at inside this circle.
  • the length of the fins can decrease constantly when one moves away from the center of the series of parallel fins, or the variation in length can consist of a reduction in length at variable steps, in particular to adapt to the specific thermal constraints of a light module.
  • the invention also relates to a motor vehicle headlight comprising a housing inside which at least one light module described above is mounted so as to be pivotable around two pivot axes.
  • the light module can in particular pivot around a first pivot axis, and this first pivot axis can be confused with an axis of revolution of a cylinder in which the vertices of the series of fins are inscribed.
  • the light module can pivot around a second pivot axis normal or substantially normal to the optical axis and to the first pivot axis of the light module.
  • the beveled edges of the fins are configured to minimize the space necessary in the automotive headlight to allow pivoting of the light module around the second pivot axis.
  • the longitudinal, vertical and transverse directions refer to the motor vehicle comprising a headlight in which a light module according to one aspect of the invention is integrated.
  • a longitudinal direction L corresponds to a direction of advancement of the vehicle and to the direction of the optical axis Ax along which the light rays generated by the light module 1 extend mainly when the light module is in a standard position in the front headlight.
  • a transverse direction T corresponds to a direction perpendicular to this longitudinal direction and which extends horizontally
  • a vertical direction V corresponds to a direction perpendicular to the longitudinal and transverse directions and which extends vertically.
  • the front and rear, left and right, high and low orientations relate respectively to each of the longitudinal, vertical and transverse directions previously described, and are to be considered in relation to the observation position of the driver of a vehicle traveling forward and with reference to the L, V, T trihedron illustrated in the figures.
  • THE figures 1 to 5 illustrate a light module 1, otherwise called an optical module, whose function is to generate and project one or more light beams onto a road.
  • a light module 1 is intended to be installed in a headlight 100, for example front, of a motor vehicle as illustrated in figures 2 to 5 .
  • the projector mentioned here generally comprises a housing 102 closed at the front by a transparent glass 104, the latter being crossed by the light rays created by the light module according to the invention.
  • the shape of the housing 102 has been shown here schematically and it will be understood that the dimensions of this housing can be modified to receive in the interior volume of the projector, delimited by the housing 102 and the transparent glass 104, one or more light modules according to the invention.
  • a light module 1 forms a unitary subassembly, that is to say an object which can fulfill its lighting and/or signaling function without any other contribution than the electrical energy necessary to its ignition.
  • the light module 1 is arranged to form a light beam of a single type, such as a low beam or a main beam.
  • the light module 1 is particularly suitable to create the low beam and high beam.
  • the light module 1 is adapted so that the high beam is the combination of the low beam beam with a complementary beam which illuminates above the low beam beam, the assembly thus forming the low beam. high beam.
  • the trim must be able to be modified by tilting the headlights or light modules inside these headlights, and more particularly by pivoting around a horizontal axis.
  • DBL type function for the English acronym “Dynamic Bending Light”
  • the projection of the light beam in a direction parallel to the direction of travel of the vehicle must be able to be modified in order to 'illuminate the inside of bends when the vehicle is turning, for example, and the light modules must for this purpose be pivotable around a vertical axis.
  • the light module(s) 1 housed inside this headlight are pivotable, that is to say they are mounted on the housing of the projector, or on a structural part integral with this housing.
  • the light module(s) 1 are configured to pivot in the projector, at least between a standard position, as illustrated on the figures 2 And 4 , and in which the optical axis is oriented parallel to the longitudinal direction, in a horizontal plane, in order to essentially illuminate the road scene ahead of the vehicle, and a dynamic position, following a pivot around a first axis pivoting ( Figure 3 ) or around a second pivot axis ( figure 5 ), in order to be able to dynamically illuminate parts of a road scene not sufficiently illuminated by the standard position of the light module(s), by modifying the height of the optical axis Ax using known means, and/or its lateral orientation.
  • At least one light module comprises cooling means configured to present a footprint forming a compromise between the necessary cooling of the module components and the compactness of the projector housing inside which the light module equipped with these cooling means must pivot.
  • the light module 1 comprises at least one light source, here not shown and configured to emit light rays towards the output of the light module along the optical axis Ax, a projection lens 2 arranged at the outlet of the light module 1 so as to be crossed by the light rays emitted by the light source and a heat sink 3 configured to evacuate to the rear of the module, that is to say opposite the projection lens, the calories resulting from operation of the light source.
  • the light module 1 comprises a body 10 configured on the one hand to contain the light rays between the light source(s) and the projection lens 2 and on the other hand to form a mechanical support for each of the components and in particular the projection lens. projection and heat sink.
  • the body 10 comprises means 11 for receiving a frame, not shown here, by means of which rotation around two pivot axes A 1 and A 2 is made possible.
  • the projection lens 2 participates in the formation of the desired light beam, whether it is a low beam type beam or a high beam type beam. As has been specified, the projection lens 2 forms a first longitudinal end of the light module 1, opposite the heat sink 3.
  • the light source(s) may take the form of one or more light-emitting diodes, the operation of which may be disrupted by excessive ambient heat. A compromise must be found between the size of the heat sink 3, intended to drain the calories generated by the light source(s) and thus reduce the temperature thereof, and the size of this heat sink. .
  • the heat sink 3 positioned on a rear part of the light module, faces a wall delimiting a bottom 103 of the light module.
  • projector housing 102 opposite the transparent glass 104.
  • the shape of this bottom wall 103 and the shape of the heat sink 3 must be such that the heat sink can follow the pivoting movement of the light module along the two axes of pivoting without hitting the bottom wall 103 of the projector housing 102.
  • the light module 1 can be associated with a fan, so as to force air circulation from or to the heat sink 3.
  • a fan not shown here, can be secured to the projector housing.
  • the light module can carry the fan by completing the unitary subassembly mentioned above. The fan is thus attached to the light module by being placed under the heat sink.
  • the light module is configured to pivot in two directions, that is to say around two axes here perpendicular.
  • a first pivot axis A 1 is a vertical axis, so that the light module can pivot to take several positions around this vertical axis to illuminate more or less laterally
  • a second pivot axis A 2 is a horizontal and transverse axis , so that the light module can pivot to take several positions around this second axis to illuminate more or less vertically.
  • These two pivot axes can intersect at a central pivot point, without this being limiting to the invention.
  • a vertical median elongation plane Pv of the light module as a vertical plane comprising the optical axis Ax and the first axis A1 for the transverse pivoting of the light module
  • a horizontal median elongation plane Ph of the light module as a horizontal plane comprising the optical axis Ax and the second axis A2 for the vertical pivoting of the light module.
  • the heat sink 3 comprises in particular a base 4 and a dissipation member 12. More precisely, the base 4 has a first face 41, facing the body of the light module, and a second face 42 opposite the first face and from which the dissipation member 12 extends. Furthermore, the base 4 serves as a mechanical support for the light source(s) and the control elements of this light source(s). We understand that in this way the dissipation member 12 is arranged to dissipate the calories captured by the base 4 during the operation of the light sources, these calories being dissipated on the side of the bottom wall 103 of the projector housing 102.
  • the dissipation member 12 extends longitudinally, that is to say perpendicular to the base of the heat sink, between a first longitudinal end zone 12a made integral, by bonding, welding or any other manufacturing process, of this base 4 and a second longitudinal end zone 12b, left free facing the bottom wall 103, the clearance J left between this second free longitudinal end zone 12b and the bottom wall of the projector housing allowing the pivoting of the light module inside the projector.
  • the length of the dissipation member is defined in this longitudinal direction projecting from the base.
  • the heat sink 3 comprises a particular dissipation member 12 in that its second free longitudinal end zone 12b is truncated both on its lateral and vertical edges relative to the center of the dissipation member, in order to facilitate the pivoting of the light module inside the housing projector.
  • the length of the dissipation member is reduced on its vertical edges and on its longitudinal edges relative to the length of the center of the dissipation member.
  • the dissipation member 12 comprises a base 13 pressed against the base 4 and a plurality of fins 14 parallel to each other and respectively perpendicular to the base 13 and the second face 42 of the base 4. It will be understood that The base could be assimilated to the base in the case of possible realization, not shown here, where the fins are made in the same piece with the base.
  • Each fin 14 has the shape of a plate having a top 15 formed by the free edge extending parallel to and opposite the base 4, and having two end edges 16 extending between the top and the base .
  • the vertex 15 corresponds to the second longitudinal end zone previously described, and the end edges 16 extend perpendicular to the base of the first longitudinal end zone 12a and the second longitudinal end zone 12b.
  • the length of the fins of the dissipation member is defined as the distance between the top 15 of the fin and the base 4 common to these fins, in the longitudinal direction.
  • each fin 14 of the dissipation member 12 that is to say the transverse dimension between two successive fins of the series of fins, is for example between 4mm and 8mm.
  • such a spacing can still be between 6mm and 8mm, in particular for a light module without a fan.
  • the particular shape of the fins of the dissipation member at the level of the vertices will be described and in particular the specific truncation of these fins to allow the desired compromise between heat dissipation and the mobility of the light module in a weak clutter.
  • the fins 14 can thus be joined two by two at their vertices 15 by a rounded connection 18 extending at a distance from the base 4.
  • the dissipation member 12 can thus have the shape of a corrugated part 33 which extends projecting from the second face 42 of the base 4, being secured to the latter, for example by thermal glue.
  • the corrugated part 33 can be formed by at least one rolled sheet metal then attached against the second face 42 of the base.
  • this corrugated part 33 can be formed at least by a rolling and folding process, from a single sheet.
  • the fins are connected together alternately by connections 18 in the form of a rounded shape at their vertices 15 and by plane junctions 19 at the end of the fins opposite the connections 18 in a rounded shape.
  • a fin 14 is connected to a first neighboring fin, in a first direction in the transverse direction, by a connection 18 in the form of a rounded shape, at a distance from the base, and to a second neighboring fin, according to the opposite direction in this same transverse direction, by a plane junction 19 against the base.
  • a plurality of junctions 19 form the base 13 as it could be described previously.
  • the fins Whether the fins are connected together at their summit or whether they are free opposite the base, the fins extend parallel to each other, and respectively in a plane parallel to the vertical median elongation plane Pv of the light module.
  • the vertices 15 of each fin extend parallel to the base, and parallel to the first pivot axis A 1 of the light module.
  • the length of the fins 14 decreases from the center of the base 4 towards its periphery, so that the fins 14 located outside the series of parallel fins have a length less than that of the fins located in the center of said series.
  • the fins arranged furthest from the vertical median elongation plane Pv are smaller than those arranged closest to this elongation plane, it being understood that a first fin is smaller than a second fin since the longitudinal dimension of this first fin, from its base to the top, is smaller than that of the second fin.
  • the bottom wall 103 of the headlight housing can be arranged as close as possible to the fins 14 of larger dimensions, that is to say the fin or fins closest to the median plane of vertical elongation Pv, since the external fins do not risk hitting this wall when the light module pivots outwards and in particular when moving from the standard position to an extreme pivoted position.
  • the progressive reduction in the lengths of the fins 14 allows rotation of the light module without the dissipation member 12 hitting the bottom wall 103 of this housing 102.
  • the invention makes it possible to significantly reduce the dimensions to be provided for the projector housing 102 since in accordance with what has been illustrated , this housing can have a flat bottom wall 103, forming a flat surface which reduces the general bulk of the housing while allowing the pivoting of the module it contains.
  • An optimal shape of the projector housing can be obtained, for the freedom of transverse pivoting of the light module, by declining the characteristic of the longitudinal dimension of the fins as it has just been presented to all of the fins in the series.
  • Each fin thus has a length greater than the fin which is directly adjacent to it towards the end of the nearest dissipation member and a length smaller than the fin which is directly adjacent to it towards the center of this member. dissipation.
  • the two fins arranged in the center of the series, on either side of the optical axis Ax have the same length, the reduction in the length of the fins only starting from these two central fins.
  • no fin is of the same dimension, or that on the contrary, a greater number of central fins, and in particular three, have the same length, the reduction in the length of the fins towards the outside not concerning these three central fins.
  • the vertices 15 of the fins 14 then fit into a cylindrical shape 35 with a circular base, such that the axis of revolution of this cylindrical shape 35 coincides with the first pivot axis A 1 .
  • the fins will not do not exceed the theoretical envelope of this cylindrical shape, and the construction of the projector housing 102 can therefore be carried out as close as possible to this theoretical envelope.
  • the dissipation member is further configured to optimize the size of the projector housing while allowing the rotation of the light module around the second pivot axis A2.
  • the fins 14 are truncated on each of their end edges 16. More particularly, each fin 14 has at least one bevel 17 at the junction between the top 15 and an end edge 16.
  • the parts of a fin furthest from the horizontal median elongation plane Ph have a length less than the central part of this fin, centered on this horizontal median elongation plane.
  • the truncated parts forming bevels at the junction of the walls and the end edges then allow rotation of the light module without the dissipation member 12 hitting the bottom wall 103 of the housing 102 of the projector 100.
  • the beveling of the corners of the fins allows advantageously to minimize the space necessary to allow the pivoting of the light module in the projector around the second pivot axis A2.
  • the invention makes it possible to significantly reduce the dimensions to be provided for the projector housing 102 since, in accordance with what has been illustrated, this housing can have a flat bottom wall 103, forming a flat surface which reduces the general size of the housing while allowing the pivoting of the module it contains.
  • the dissipation member comprises a plurality of fins, arranged in series and configured such that on the one hand, the most eccentric fins have a length less than those of the fins arranged in the center of this series, and that on the other hand, one or more of these fins each have at least one bevel formed in place of a right corner at the junction between the top and an edge of end of this fin.
  • the end edges 16 of a fin 14 as comprising a straight part 16a, normal and adjacent to the base 4, and another inclined part 16b forming a ramp up to the top 15 of the fin 14.
  • the bevel produced to form the inclined part 16b forming a ramp can have a longitudinal dimension, that is to say a dimension projected onto the horizontal median elongation plane Ph, at least equal to the longitudinal dimension of the straight part 16a .
  • the height of the top 15 is between 10% and 80%, preferably between 30% and 60%, of the height of the fin at the level of its contact with the base 4, the height corresponding to the dimension along the vertical axis, parallel to the base.
  • the end edges of some of the fins can be cut differently from what has just been described, to form a zone for releasing the base, making zones or parts of the second face 42 of the base accessible. The end edge of these fins is then cut straight instead of being beveled.
  • the fins 14 can be made from material with the base 4 and form with it a single piece assembly, that is to say form a unitary part carried out in a single manufacturing operation, or else be carried out independently of the base and reported on it subsequently, in accordance with what is illustrated.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (10)

  1. Leuchtmodul (1), das mindestens ein Lichtbündel entlang einer optischen Achse (Ax) erzeugt, für ein Kraftfahrzeug, wobei das Leuchtmodul (1) einen Körper (10), mindestens eine Lichtquelle und mindestens einen Wärmeableiter (3), der dazu ausgestaltet ist, von der Lichtquelle erzeugte Kalorien abzuleiten, umfasst, wobei der Wärmeableiter (3) mindestens eine Basis (4) umfasst, die dazu ausgebildet ist, die von der Lichtquelle erzeugten Kalorien aufzufangen, und ein Ableitungsorgan (12), das dazu ausgebildet ist, die von der Basis (4) aufgefangenen Kalorien nach außerhalb des Leuchtmoduls (1) abzuleiten, wobei die Basis eine erste Seite (41) umfasst, die dem Körper des Leuchtmoduls zugewandt ist, und eine zweite Seite (42), die zu der ersten Seite (41) entgegengesetzt ist und von der aus sich das Ableitungsorgan (12) erstreckt, wobei das Ableitungsorgan (12) eine Reihe von Rippen (14) umfasst, die sich jeweils von der Basis (4) abragend erstrecken, wobei jede Rippe (14) durch eine Spitze (15), die sich im Abstand von der Basis erstreckt und die die Länge dieser Rippe definiert, und durch zwei Endkanten (16), die sich zwischen der Spitze und der Basis erstrecken, definiert wird, wobei das Leuchtmodul dazu ausgestaltet ist, um eine erste Schwenkachse (A1) und um eine zweite Schwenkachse (A2) zu schwenken, und die Reihe von Rippen (14) so ausgestaltet ist, dass sie exzentrierte Rippen aufweist, deren Länge geringer als die Länge der Rippen (14) ist, die sich im Zentrum des Ableitungsorgans (12) befinden, wobei mindestens eine Rippe (14) im Übrigen eine Schräge (17) am Übergang zwischen der Spitze (15) und einer Endkante (16) aufweist, dadurch gekennzeichnet, dass die Längen der Rippen derart sind, dass die Spitzen auf oder innerhalb eines Kreises angeordnet sind, dessen Radius durch das Maß zwischen der Spitze einer zentralen Rippe und einer Schwenkachse definiert wird, wobei die Rippen innerhalb dieses Kreises ausgebildet sind.
  2. Leuchtmodul (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Länge der Rippen (14) mit zunehmender Entfernung vom Zentrum der Reihe von Rippen (14) abnimmt.
  3. Leuchtmodul (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Länge der Rippen (14) mit der Entfernung vom Zentrum der Reihe von parallelen Rippen (14) konstant abnimmt.
  4. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich die Spitzen (15) parallel zu der ersten Schwenkachse (A1) erstrecken.
  5. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es dazu ausgestaltet ist, um eine zweite Schwenkachse (A2) zu schwenken, die senkrecht zu der ersten Schwenkachse (A1) verläuft.
  6. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Mehrzahl von Rippen (14) eine Schräge (17) am Übergang zwischen ihrer Spitze (15) und einer der Endkanten (16) aufweist.
  7. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens eine Rippe (14) eine Schräge (17) an jedem Übergang zwischen ihrer Spitze (15) und ihren Endkanten (16) aufweist.
  8. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Endkante (16) einer Rippe, die eine Schräge (17) aufweist, einen geraden Teil (16a) beinhaltet, der an die Basis (4) angrenzt, und einen geneigten Teil (16b), der ihn verlängert und der eine Rampe bildet, wobei der geneigte Teil ein Längsmaß aufweist, das mindestens gleich dem des geraden Teils ist.
  9. Leuchtmodul (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich die Rippen (14) senkrecht zu einer ersten Ebene erstrecken, in der sich die Basis (4) überwiegend erstreckt.
  10. Kraftfahrzeugscheinwerfer (100) mit einem Gehäuse (102), in dem mindestens ein Leuchtmodul (1) nach einem der vorhergehenden Ansprüche so montiert ist, dass es um zwei Schwenkachsen (A1, A2) schwenkbar ist.
EP18186112.1A 2017-08-04 2018-07-27 Schwenkbares leuchtmodul für fahrzeugscheinwerfer Active EP3438523B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1757523A FR3062461B1 (fr) 2017-02-01 2017-08-04 Module lumineux pivotable pour projecteur de vehicule

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EP3438523A1 EP3438523A1 (de) 2019-02-06
EP3438523B1 true EP3438523B1 (de) 2024-05-29

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CN118009276B (zh) * 2024-04-07 2024-06-07 深圳北极之光科技有限公司 一种多功能led灯具及打光方法

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Publication number Priority date Publication date Assignee Title
CN106122873A (zh) * 2016-08-24 2016-11-16 江苏亿诺车辆部件有限公司 一种汽车灯具用散热器

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