EP3543597B1 - Beleuchtungsmodul, das mit einer mikro-spiegel-matrix mit optimierter kühlung ausgestattet ist - Google Patents

Beleuchtungsmodul, das mit einer mikro-spiegel-matrix mit optimierter kühlung ausgestattet ist Download PDF

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Publication number
EP3543597B1
EP3543597B1 EP19164754.4A EP19164754A EP3543597B1 EP 3543597 B1 EP3543597 B1 EP 3543597B1 EP 19164754 A EP19164754 A EP 19164754A EP 3543597 B1 EP3543597 B1 EP 3543597B1
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EP
European Patent Office
Prior art keywords
zone
lighting module
micro
heat sink
air outlet
Prior art date
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Active
Application number
EP19164754.4A
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English (en)
French (fr)
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EP3543597A1 (de
Inventor
Maxime Rousseau
Thomas Daniel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Vision SAS
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Valeo Vision SAS
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Publication of EP3543597A1 publication Critical patent/EP3543597A1/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
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving 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
    • F21S41/10—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]
    • 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
    • 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
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/20—Illuminance distribution within the emitted light

Definitions

  • the at least one chimney can be oriented vertically and can be tilted towards the rear of the lighting module.
  • the first zone can be delimited from the second zone at least partially by a first electronic card supporting the at least one light source and/or by a base of the first heat sink.
  • the first zone can be delimited from the third zone at least partially by a second electronic card supporting the array of micro-mirrors and/or by a base of the second heat sink.
  • the lighting module may include projection optics capable of guiding light rays reflected by the matrix of micro-mirrors, the first zone and/or the second zone comprising an air outlet above the projection optics.
  • the lighting module comprises a first fan able to generate an air flow only in the first zone and in the third zone and a second fan able to generate an air flow only in the second zone.
  • the two fans can be arranged parallel one above the other.
  • the invention also relates to a headlamp comprising a lighting module as defined above.
  • the invention also relates to a motor vehicle comprising a lighting module as defined above or a headlamp as defined above.
  • the left and the right are defined according to the point of view of a driver of a vehicle.
  • the X axis designates the longitudinal axis of the vehicle. In forward gear and in a straight line, the vehicle progresses from the rear to the front in a direction parallel to its longitudinal axis.
  • the X axis is oriented from the front to the rear of the vehicle, that is to say in the direction of reverse gear.
  • the Y axis designates the transverse axis of the vehicle.
  • the Y axis is oriented from left to right.
  • the Z axis refers to the axis perpendicular to the X axis and the Y axis.
  • the Z axis is a vertical axis when the vehicle is resting on horizontal ground.
  • the Z axis is oriented from bottom to top.
  • the X, Y and Z axes form a direct orthonormal frame. In all of the figures and the description, it is considered that the vehicle rests on horizontal ground. On the other hand, for the sake of simplifying the description, this same mark, defined by reference to a vehicle, will also be used for a lighting module even considered outside a vehicle, since it is intended for mounting in a specific orientation on a vehicle.
  • the lighting module 3 comprises projection optics 21 facing forwards through which light rays can be emitted.
  • the housing 10 comprises a first front opening 11 positioned above the projection optics 21, intended for the exit of an air flow, substantially oriented parallel to the longitudinal axis.
  • This first front opening has a generally rectangular shape with the large side of the rectangle parallel to the transverse axis.
  • the housing 10 also comprises a second front opening 12 positioned below the projection optics 21, likewise intended for the exit of an air flow, in a substantially longitudinally oriented manner.
  • This second front opening 12 is particularly visible on the picture 3 : it is in fact made up of five windows positioned transversely next to each other.
  • the casing also comprises two upper openings 13 on the top of the casing 10, likewise intended for the exit of an air flow. The shape of these different openings could be different provided that they allow the passage of air between the inside and the outside of the casing 10, according to an operation which will be detailed subsequently.
  • a first zone Z1 comprises on the one hand a light-emitting diode 22 connected to a first electronic card 23, and on the other hand a matrix of micro-mirrors 24 connected to a second electronic card 25.
  • the two electronic cards 23, 25 can comprise pilots or electronic components making it possible to respectively control the switching on of the light-emitting diode 22 and the activation of the matrix of micro-mirrors 24.
  • the first zone Z1 also comprises the projection optics 21. It is therefore the seat of the production of light and its diffusion towards the exterior of the projector.
  • a second zone Z2 comprises a first heat sink 26 capable of dissipating the heat generated by the light-emitting diode.
  • a third zone Z3 comprises a second heat sink 27 capable of dissipating the heat generated by the matrix of micro-mirrors 12.
  • the second zone Z2 is arranged above the first zone Z1 and the third zone Z3 is arranged below the first zone Z1.
  • the first zone is therefore arranged vertically between the second zone Z2 and the third zone Z3.
  • the first zone Z1 comprises an air outlet 30 facing upwards, via an upper face of the lighting module, and coinciding with the upper openings 13 of the casing.
  • the second zone Z2 comprises an air outlet 34 facing the front of the lighting module and coinciding with the first front opening 11 of the casing.
  • the third zone Z3 comprises an air outlet 35 facing the front of the lighting module and coinciding with the second front opening 12 of the casing. As mentioned above, these zones are distinct, and their respective air outlets are distinct.
  • the light-emitting diode 22 is a light source 22'. Alternatively, it could be replaced by any other form of light source such as an incandescent bulb.
  • the lighting module could include any number of light emitting diodes or any other form of light source.
  • the lighting module 3 comprises a collimating lens 28 and an optical prism 29, both positioned in the first zone Z1.
  • the collimating lens 28 and the optical prism 29 are interposed between the light-emitting diode 22 and the matrix of micro-mirrors 24 so as to shape a light beam and to guide this light beam towards the matrix of micro-mirrors 24
  • the projection optic 21 is positioned downstream of the matrix of micro-mirrors 24 and is composed of several lenses in series.
  • the matrix of micro-mirrors 24 is an electromechanical microsystem comprising a multitude of flat micro-mirrors which are all independently movable around the same axis.
  • the micro-mirrors can take two distinct orientations. The orientation of each micro-mirror can be controlled individually by the effect of an electrostatic force.
  • the array of micro-mirrors has a shape rectangular and may comprise several hundred micro-mirrors over the width and several hundred micro-mirrors over the length. According to a first orientation, called active orientation, a micro-mirror reflects a light ray coming from the light-emitting diode towards the projection optics 21.
  • a micro-mirror reflects a light ray coming from the light-emitting diode elsewhere than towards the projection optics.
  • the micro-mirror array receives a command defining which micro-mirrors are oriented in the first orientation and which micro-mirrors are oriented in the second orientation.
  • each micro-mirror defines a pixel of an image: the matrix of micro-mirrors can thus be used not only to obtain standardized lighting but also to project complex images.
  • the micro-mirror array is integrated into a larger chip. This chip is integrated into the second electronic card 25. To guarantee correct operation, the temperature of the chip and of the matrix of micro-mirrors must not exceed a threshold temperature.
  • the first heat sink 26 and the second heat sink 27 are heat dissipation means by thermal conduction.
  • Each of the heat sinks is made, preferably in one and the same piece, from a material that conducts heat, for example aluminum or copper. It preferably comprises an exchange surface with the air that is as large as possible.
  • the first heat sink 26 is particularly visible on the figure 7 and 8 . It comprises a base 26A pressed against the first electronic card 23.
  • the base 26A has a generally rectangular shape and has a larger surface than that of the first electronic card 23.
  • the base 26A makes it possible, in addition to the first electronic card, to physically separate the first zone Z1 from the second zone Z2.
  • the first heat sink 26 also includes a set of pins 26B extending generally vertically upwards.
  • the pins 26B form a grid of rectangular outer shape, a first side of which extends parallel to the longitudinal axis X and a second side extends parallel to the transverse axis Y. This set of pins 26B is framed on the right and left by two blanks 26C extending longitudinally and vertically.
  • the second heat sink 27 is in contact with the second electronic card 25. It comprises a base 27A extending parallel to the second electronic card 25. It also comprises a body 27D, of generally parallelepipedic shape and extending upwards from an upper face of base 27A. This body is pressed against the chip integrating the array of micro-mirrors 24 so as to conduct the heat produced by the array of micro-mirrors 24 into the assembly of the second heat sink 27.
  • the second heat sink 27 also comprises a set of pins 27B extend generally vertically downward from base 27A.
  • the pins 27B form a grid of rectangular outer shape, a first side of which extends parallel to the longitudinal axis X and a second side extends parallel to the transverse axis Y. This set of pins 27B is framed to the right and to left by two blanks 27C extending longitudinally and vertically.
  • pins 26B, 27B can be arbitrary.
  • the pins could be replaced by fins, oriented parallel to the flow of air intended to cross the heat sink, that is to say parallel to the longitudinal axis X.
  • Two chimneys 30A, 30B are arranged on either side of the first heat sink 26. These two chimneys make it possible to place the first zone Z1 in communication with the outside of the lighting module. The two chimneys therefore constitute the air outlets 30 of the first zone Z1. The two chimneys pass through the second zone Z2 on either side of the first heat sink 26. They extend vertically and are substantially inclined towards the rear of the lighting module. In other words, the axis of the chimneys 30A, 30B forms a non-zero angle with the vertical axis.
  • the two chimneys emerge on the one hand in the first zone at the level of a high point of the first zone Z1, that is to say at the level of the plane of separation between the first zone and the second zone on the side of the large base of the trapezoid forming a cross section of the first zone Z1.
  • the two chimneys 30A, 30B emerge opposite the two upper openings 13 of the box 10.
  • the chimneys have an ellipsoidal section but, as a variant, could have a section of any other shape. As a variant, the number of these chimneys could also be different.
  • the lighting module could include only one chimney or even more than two chimneys.
  • the two chimneys and the first heat sink form one and the same part.
  • the lighting module 3 also comprises two fans 31, 32 arranged at the rear of the lighting module, and able to generate an air flow in each of the three zones Z1, Z2 and Z3. More particularly, a first fan 31 is arranged so as to generate an air flow only in the first zone Z1 and in the third zone Z3 and a second fan 32 is arranged so as to generate an air flow only in the second Z2 area.
  • the two fans 31, 32 are arranged vertically one above the other.
  • the two fans can be identical or at least have a substantially identical external shape.
  • each fan includes at least one rotary blade 31A, 32A, and an electric motor able to drive the blade in rotation.
  • the lighting module includes an air inlet 33 at the rear of each fan through which fresh air can be sucked into the lighting module.
  • each fan could be replaced by any other means of generating an air flow 31', 32'.
  • the two fans could be replaced by a single more powerful fan.
  • each of the zones Z1, Z2 and Z3 When the fans are operating, the air flow in each of the zones Z1, Z2 and Z3 is oriented substantially longitudinally from the rear to the front.
  • the air flows passing through the three zones Z1, Z2, Z3 are independent. They don't mix.
  • the three zones Z1, Z2, Z3 do not necessarily have to be perfectly airtight with respect to each other and air leaks between the zones may exist as long as they remain minimal with respect to the airflow passing through each of the zones.
  • the airflow in the first zone Z1 is generated by the first fan and is guided between the first electronic card and the second electronic card. It cools the light-emitting diode 22 and the matrix of micro-mirrors 24 by convection then escapes upwards through the two chimneys 30A, 30B communicating with the two upper openings 13 of the case.
  • the first fan is not running, hot air lighter than cold air will tend to come out of the first zone. through the two chimneys since these extend from the highest part of the first zone Z1.
  • the architecture of the first zone Z1 is favorable to a natural minimum cooling of the first zone Z1. This phenomenon is added to the contribution of the first fan 31, so as to make the cooling optimal.
  • the air flow in the second zone Z2, represented on the figure 4 and 7 by a second arrow F2 passes through the first heat sink and exits from the projector through the first front opening 11 of the housing 10.
  • the fresh air sucked in by the second fan passes through the first heat sink by sliding around the pins 26B.
  • the airflow in the second zone is channeled laterally between the two blanks 26C, the base 26A and an upper side of the casing 10.
  • a heat exchange occurs between the cool air and the hotter heat sink. This heat exchange contributes to lowering the temperature of the first heat sink 26 and therefore of the first electronic card 23, as well as of the light-emitting diode 22.
  • a first part of the air flow in the third zone Z3 circulates between the second electronic card 25 and the base 27A of the second heat sink 27.
  • a second part of the air flow in the third zone Z3 crosses the second heat sink 27 by slipping around its pins 27B. This second part is channeled between the two side blanks 27C, the base 27A and one side bottom of the housing 10.
  • a thermal exchange occurs between the cool air and the hotter heat sink. This heat exchange contributes to lowering the temperature of the second heat sink 27 and therefore of the second electronic card 25 and of the matrix of micro-mirrors 24.
  • the flow of air emerges from the third zone Z3 by passing through the second opening front 12 of the case.
  • the light-emitting diode When the light-emitting diode emits a light ray, the latter first passes through the collimating lens 28 then the optical prism 29 before reaching the matrix of micro-mirrors 24. If the light ray reaches a micro-mirror in active orientation, it is reflected towards the optical prism 29 from where it will be deflected towards the projection optics 21. It then passes through the various lenses forming the projection optics, and thus emerges from the projector forwards to illuminate the road or the surroundings of the vehicle. Such a path is represented by a dotted line R1 on the figure 4 .
  • the light ray reaches a micro-mirror in inactive orientation, the latter is deflected out of the projection optics 21 and does not contribute to the lighting of the road or the environment of the vehicle. If a stray light ray leaves the lighting module through one of the chimneys 30A, 30B, for example by following the path represented by the line R2 on the figure 4 , it also does not participate in the lighting of the road or the environment of the vehicle because the chimney is tilted towards the rear. Thus, the rearward inclination of the chimneys avoids making visible the light rays which would emerge parasitically from the lighting module via the chimneys 30A, 30B.
  • the air outlet 30 of the first zone Z1 which can be in the form of one or more chimneys 30A, 30B, could not lead upwards but on the right and/or left sides. , or towards the bottom, or even at the rear of the lighting module 3.
  • the air outlet is advantageously substantially inclined towards the rear to prevent stray light rays from being made visible at the front of the vehicle through the air outlet.
  • a lighting module is obtained in which a flow of air is made to circulate not only around the heat sinks but also around the light source 22' and the matrix of micro-mirrors.
  • the air flows are independent, which makes it possible to obtain particularly efficient cooling.
  • the temperature of the light source can be lowered by about 10°C and the temperature of the micro-mirror array can be lowered by about 5°C, which improves the service life and the reliability of these components.

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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)
  • Projection Apparatus (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (14)

  1. Beleuchtungsmodul (3) für einen Scheinwerfer (2) eines Kraftfahrzeugs (1), das enthält:
    - eine erste Zone (Z1), die mindestens eine Lichtquelle (22') und eine Mikrospiegelmatrix (24) enthält,
    - eine zweite Zone (Z2), die einen ersten Wärmeabieiter (26) enthält, der die von der mindestens einen Lichtquelle (22') erzeugte Wärme ableiten kann,
    - eine dritte Zone, die einen zweiten Wärmeabieiter (27) enthält, der die von der Mikrospiegelmatrix (24) erzeugte Wärme ableiten kann,
    - mindestens eine Einrichtung zur Erzeugung eines Luftstroms (31', 32'), um einen Luftstrom in der ersten Zone (Z1), der zweiten Zone (Z2) und der dritten Zone (Z3) zu erzeugen,
    wobei die erste Zone (Z1), die zweite Zone (Z2) und die dritte Zone (Z3) sich voneinander unterscheiden, wobei die erste Zone (Z1) senkrecht zwischen der zweiten Zone (Z2) und der dritten Zone (Z3) angeordnet ist, wobei die erste Zone (Z1) einen Luftaustritt (30) enthält, dadurch gekennzeichnet, dass die Einrichtung zur Erzeugung eines Luftstroms (31', 32') mindestens ein erstes Gebläse (31), das einen Luftstrom nur in der ersten Zone (Z1) und in der dritten Zone (Z3) erzeugen kann, und ein zweites Gebläse (32) enthält, das einen Luftstrom nur in der zweiten Zone (Z2) erzeugen kann.
  2. Beleuchtungsmodul (3) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Luftaustritt (30) der ersten Zone (Z1) durch eine Oberseite des Beleuchtungsmoduls nach oben ausgerichtet ist.
  3. Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Luftaustritt (30) mindestens einen Schacht (30A, 30B), der die zweite Zone (Z2) durchquert, insbesondere zwei Schächte (30A, 30B) enthält, die die zweite Zone (Z2) zu beiden Seiten des ersten Wärmeableiters (26) durchqueren.
  4. Beleuchtungsmodul (3) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der mindestens eine Schacht (30A, 30B) senkrecht ausgerichtet und zur Rückseite des Beleuchtungsmoduls (3) geneigt ist.
  5. Beleuchtungsmodul (3) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Luftaustritt (30) der ersten Zone (Z1) zur Rückseite des Beleuchtungsmoduls (3) geneigt ist.
  6. Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Zone (Z2) über der ersten Zone (Z1) angeordnet ist, und dass die dritte Zone (Z3) unter der ersten Zone (Z1) angeordnet ist.
  7. Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Zone (Z1) von der zweiten Zone (Z2) zumindest teilweise durch eine erste Elektronikkarte (23), die die mindestens eine Lichtquelle (22') trägt, und/oder durch eine Basis (26a) des ersten Wärmeableiters (26) abgegrenzt wird, und/oder dass die erste Zone (Z1) von der dritten Zone (Z3) zumindest teilweise durch eine zweite Elektronikkarte (25), die die Mikrospiegelmatrix (24) trägt, und/oder durch eine Basis (27a) des zweiten Wärmeableiters (27) abgegrenzt wird.
  8. Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass es eine Projektionsoptik (21) enthält, die von der Mikrospiegelmatrix (24) reflektierte Lichtstrahlen leiten kann, wobei die erste Zone (Z1) und/oder die zweite Zone (Z2) einen Luftaustritt oberhalb der Projektionsoptik enthalten.
  9. Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Zone (Z2) und/oder die dritte Zone (Z3) einen Luftaustritt (34, 35) nach vorne enthält.
  10. Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die erste Zone (Z1) und/oder die zweite Zone (Z2) und/oder die dritte Zone (Z3) einen Lufteintritt (33) von hinten enthält.
  11. Beleuchtungsmodul (3) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die zwei Gebläse (31, 32) parallel übereinander angeordnet sind.
  12. Beleuchtungsmodul (3) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die mindestens eine Lichtquelle (22') eine Elektrolumineszenzdiode (22) enthält.
  13. Scheinwerfer (2), der ein Beleuchtungsmodul (3) nach einem der vorhergehenden Ansprüche enthält.
  14. Kraftfahrzeug (1), dadurch gekennzeichnet, dass es ein Beleuchtungsmodul (3) nach einem der Ansprüche 1 bis 12 oder einen Scheinwerfer (2) nach dem vorhergehenden Anspruch enthält.
EP19164754.4A 2018-03-23 2019-03-22 Beleuchtungsmodul, das mit einer mikro-spiegel-matrix mit optimierter kühlung ausgestattet ist Active EP3543597B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1852522A FR3079283B1 (fr) 2018-03-23 2018-03-23 Module d'eclairage equipe d'une matrice de micro-miroirs a refroidissement optimise

Publications (2)

Publication Number Publication Date
EP3543597A1 EP3543597A1 (de) 2019-09-25
EP3543597B1 true EP3543597B1 (de) 2022-05-25

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EP19164754.4A Active EP3543597B1 (de) 2018-03-23 2019-03-22 Beleuchtungsmodul, das mit einer mikro-spiegel-matrix mit optimierter kühlung ausgestattet ist

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EP (1) EP3543597B1 (de)
CN (1) CN110296374B (de)
FR (1) FR3079283B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111561685B (zh) * 2019-09-30 2022-08-19 长城汽车股份有限公司 照明设备以及车辆
CN111692573B (zh) * 2019-09-30 2022-02-25 长城汽车股份有限公司 照明装置以及车辆

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KR101220063B1 (ko) * 2010-11-19 2013-01-08 주식회사 에스엘라이팅 차량의 지능형 헤드 램프 어셈블리
FR3034494B1 (fr) * 2015-03-30 2018-04-27 Valeo Vision Module lumineux pour projecteur de vehicule automobile
WO2017056469A1 (ja) * 2015-09-29 2017-04-06 パナソニックＩｐマネジメント株式会社 光源装置および投光装置
FR3044393B1 (fr) * 2015-11-27 2019-04-26 Valeo Vision Module d'eclairage de projecteur de vehicule automobile et projecteur associe
JP6386437B2 (ja) * 2015-12-08 2018-09-05 トヨタ自動車株式会社 車両用ヘッドランプ
AT518220B1 (de) * 2016-02-02 2017-11-15 Zkw Group Gmbh Beleuchtungseinheit für ein Kraftfahrzeug

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FR3079283A1 (fr) 2019-09-27
FR3079283B1 (fr) 2020-10-02
EP3543597A1 (de) 2019-09-25
CN110296374A (zh) 2019-10-01

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