EP2931556B1 - Module d'éclairage pour un phare de véhicule - Google Patents

Module d'éclairage pour un phare de véhicule Download PDF

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Publication number
EP2931556B1
EP2931556B1 EP13795411.1A EP13795411A EP2931556B1 EP 2931556 B1 EP2931556 B1 EP 2931556B1 EP 13795411 A EP13795411 A EP 13795411A EP 2931556 B1 EP2931556 B1 EP 2931556B1
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EP
European Patent Office
Prior art keywords
reflector
type
field
tolerance
light
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EP13795411.1A
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German (de)
English (en)
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EP2931556A1 (fr
Inventor
Friedrich Bauer
Peter ILLMAYR
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ZKW Group GmbH
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ZKW Group GmbH
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Publication of EP2931556A1 publication Critical patent/EP2931556A1/fr
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    • 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]
    • F21S41/151—Light emitting diodes [LED] arranged in one or more lines
    • 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
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas

Definitions

  • the invention relates to a light module for a motor vehicle or for a motor vehicle headlight, wherein the light module is designed to produce a dimmed light distribution, which has at least one horizontal HD line and an obliquely increasing HD line, and wherein the light module at least two Reflectors comprises, and wherein each reflector is associated with at least one LED light source, wherein at least one of the reflectors of the type HD apron reflector is which type is adapted to light of its associated at least one LED light source as apron light distribution with one in the light image imaging substantially horizontally extending HD line, and wherein at least one further reflector is of the asymmetric reflector type, which is adapted to image light of the at least one LED light source assigned to it as an asymmetry light distribution, the asymmetry light distribution being in the Essentially horizontal HD Li never and has a sloping HD line.
  • the invention relates to a vehicle headlamp with at least one above-mentioned light module.
  • each reflector is associated with at least one light source, with the above-mentioned problem particularly evident when the light sources are LED light sources.
  • Each reflector is associated with at least one LED light source, each LED light source having one or more light-emitting diodes (LEDs).
  • the construction of corresponding light modules takes place in such a way that the reflectors to the LED light sources, which are positioned on an LED board, are adjustable.
  • the adjustment of the reflectors then takes place in a specially designed system which detects the light distributions generated by the individual reflectors and the reflectors such positioned so that the light-dark transitions of the individual light distribution to each other are aligned so that there is a law-compliant total light distribution.
  • a very exact alignment of the reflectors is therefore of particular importance, since a slight deviation of the relative position of reflector and LED light source to each other by e.g. 0.1mm - 0.2mm already leads to a (vertical / horizontal) shift of the light distribution and to a defocusing and softening of the light-dark boundary in typical light module designs.
  • EP2119957 describes a generic light module according to the preamble of claim 1.
  • the at least one reflector of the type asymmetry reflector associated with at least one LED light source and the at least one reflector of the type HD front-mounted reflector associated with at least one LED light source to each other are arranged, all reflectors with respect to their associated LED light sources can be arranged in exactly one defined position, wherein reflectors of the asymmetry reflector type and reflectors of the type HD front-mounted reflector are designed such that in the arrangement of at least one reflector from Type asymmetry reflector in its defined position and at least one reflector of the type HD apron reflector in its defined position, the horizontal HD line of the total light distribution from the horizontal HD line of at least one reflector of the asymmetry reflector type and / or of the horizontal HD line of the at least one reflector vo m type HD front-end reflector is formed, each system consisting of reflector of a certain type and associated at least one LED light source of a, preferably adjustable, tolerance, so that horizontal HD
  • the reflectors can not be adjusted with respect to their LED light sources, but that a fixed position is provided in FIG which the reflectors are attached. As a result, complicated setting procedures can be avoided and the costs reduced accordingly.
  • the reflectors which are calculated and manufactured in accordance with the defined position with respect to the respective associated LED light sources, are designed such that that the HD line of the total light distribution is generated either by one of the two different reflector types (asymmetry, HD apron) or by both together. It is optimal in this case if the HD line is generated by the at least one asymmetry reflector, but if its HD line is too deep in the light image, this can be formed by the HD front-end reflector.
  • At least two reflectors are provided for generating the apron light distribution, at least one reflector of the type HD apron reflector and at least one reflector of the near-front reflector type.
  • the at least one reflector of the type HD apron reflector generates the upper part of the apron light distribution with the upper boundary of the apron light distribution with the horizontal boundary line, while the at least one reflector of the type near-front reflector the underlying portion of Apron light distribution forms.
  • the two partial light distributions overlap.
  • the horizontal boundary line or HD line forms the HD line of this apron light distribution, but can not be seen in the total light distribution as a light-dark boundary, since it lies within the other partial light distributions.
  • top, bottom, vertical, vertical, horizontal in connection with a photograph do not refer to the real image projected on a roadway ahead of a vehicle, but from a vertical screen in a defined Distance (eg 10 or 25 meters) projected photo.
  • each system consisting of at least one reflector of a certain type and associated at least one LED light source is subject to a preferably adjustable tolerance, so that horizontal HD lines are generated in the light images generated by reflectors of the same type and associated at least one LED light source within a vertical tolerance field, with the tolerance field of each reflector type each having an upper tolerance field boundary and a lower tolerance field boundary.
  • tolerance field is spoken by a reflector or reflector type, so this is the tolerance or the tolerance field of the system reflector - light source meant. For the sake of simplicity, however, only tolerance or tolerance field of the reflector is usually discussed.
  • This "tolerance of a reflector type” or this "tolerance field of a reflector type” results from the fact that reflectors of a certain type are subject to a tolerance, the assigned at least one LED light source itself is subject to a tolerance, the position of the at least one LED Light source is subject to tolerance, and also the position of the reflectors is tolerant.
  • tolerance field now means the following: we consider abstractly a light unit for generating a light distribution with a horizontal bright-dark boundary, the light unit has a defined light source, which is positioned on a support plate at a defined location. The carrier plate or the light unit has a defined position for the reflector.
  • the light-dark boundary In a first such light unit, the light-dark boundary will assume a certain vertical position. In a second light unit constructed with identical components, the light-dark boundary will have a different vertical position, etc. (for the term “vertical”, see also the discussion below).
  • the vertical range within which the generated cut-off is defined as the tolerance field.
  • the "height" of the tolerance field ie the vertical extent, can be set primarily on the accuracy of the production of the reflectors.
  • a defined area that is to say a defined upper and lower limit and thus also a defined height for the tolerance field of a certain type of reflector is specified. Reflectors, which do not meet these conditions, which is an outside of the tolerance field lying light-dark boundary are not used in series production.
  • a light module is composed of two or more such light units. After the LED light sources of all light units sit on a common support plate or at least fixed to each other, and the positions of the associated reflectors is provided fixed, an adjustment of the tolerance fields can only be done on the design of the reflectors. It is therefore no longer referred to in the following light units, but of different types of reflectors and the tolerance fields associated with these types of reflectors
  • the at least one reflector of the type HD front-end reflector and the at least one reflector of the asymmetric reflector type are formed such that in their defined with respect to the associated LED light sources positions the tolerance fields of Reflectors of the type HD apron reflector and the asymmetric reflector type do not overlap one another in the vertical direction, so that the tolerance field lower limit of the at least one asymmetry reflector is above or equal to the tolerance field upper limit of the at least one HD apron type reflector Reflector is located.
  • the at least one reflector of the type HD apron reflector and the at least one reflector of the asymmetric reflector type are designed such that the tolerance fields are defined in their positions defined with respect to the associated LED light sources the reflectors of the type HD front reflector and the type asymmetry reflector overlap each other in the vertical direction, such that the tolerance field lower limit of at least one asymmetry reflector below the tolerance field upper limit of the at least one reflector of the type HD apron reflector is located and the tolerance field upper limit of at least one reflector of the asymmetry reflector type above the tolerance field upper limit of at least one reflector of the type HD apron reflector.
  • the at least one reflector of the near-front reflector type is designed such that in its defined with respect to its associated at least one LED light sources position the tolerance field upper limit of the tolerance field of the at least one reflector of the Nah type Pre-reflector is below the tolerance field lower limit of the at least one reflector of the asymmetry reflector type.
  • the tolerance field of the at least one X-type reflector does not mean that each X-type reflector has its own tolerance field but that the reflector is designed so that its HD line is within the tolerance field the type X reflectors is located.
  • the at least one near-front reflector type reflector is designed in such a way that the tolerance field upper limit of the at least one near-field reflector type reflector is below the tolerance field upper limit of the at least one HD type reflector -Field reflector and above the tolerance field lower limit of at least one reflector of the type HD apron reflector.
  • the at least one reflector of the asymmetric reflector type is designed such that the horizontal HD line of the total light distribution within the tolerance field of the at least one reflector of the asymmetric reflector type.
  • the tolerance fields of the at least one asymmetric reflector type reflector and the tolerance field of the at least one HD front reflector type reflector overlap one another in the vertical direction by 0.1 ° -0.2 °.
  • the overlap area between the tolerance field upper limit of the HD apron light distribution and the tolerance field lower limit of the asymmetry light distribution thus extends over a range of 0.1 ° -0.2 ° in the vertical direction.
  • each LED light source in each case comprises at least one light-emitting diode.
  • the LED light sources assigned to the at least one reflector of the asymmetric reflector type and to the at least one reflector of the type HD front-mounted reflector are mounted on a common carrier plate, preferably a common LED. Board are arranged.
  • the at least one LED light source associated with the at least one near-front reflector type reflector is likewise positioned on the common carrier plate, preferably on the common LED board.
  • fastening means and / or positioning means are provided, by means of which reflectors of the same type on different support plates in the same position with respect to the LED Light sources of the support plate can be positioned and fastened.
  • the frequency distribution of the positions of the horizontal HD lines within the tolerance fields of the reflectors of a distribution curve for example follow a Gaussian distribution curve, the distribution curves each having a distribution maximum.
  • the light image is legally compliant, it is further provided that in their defined with respect to the associated LED light sources positions the distribution maximum of the tolerance field of at least one reflector of the asymmetry reflector type above the distribution maximum of the tolerance field the at least one reflector of the type HD apron reflector is located.
  • the maximum distribution of the tolerance field of the at least one reflector asymmetric reflector above the tolerance field upper limit of the tolerance field of at least one reflector of the type HD front-mounted reflector.
  • the distribution maximum of the tolerance field of the at least one reflector of the type HD apron reflector is below the tolerance field lower limit of the tolerance field of the at least one reflector of the asymmetric reflector type.
  • FIG. 1 shows a light module 100 for a motor vehicle or for a motor vehicle headlight, wherein the light module 100 is formed to produce a low beam distribution LV, as shown in FIG FIG. 1 is shown schematically.
  • a low-beam distribution LV has, in a known manner, a horizontal HD line HD and an HD line HD 'rising at an angle thereto.
  • the light module 100 comprises three reflectors 1, 2, 3, wherein each reflector 1, 2, 3 is associated with an LED light source 10, 20, 30.
  • Each LED light source 10, 20, 30 each includes one or more light emitting diodes.
  • Light of the LED light sources 10, 20, 30 is projected via the associated reflectors 1, 2, 3 in each case as a partial light distribution in an area in front of the vehicle, the superposition of the partial light distribution results in the total light distribution of a headlamp or a light module of a headlamp ,
  • the first reflector 1 is a reflector of the asymmetric reflector type, which is adapted to image light of its associated LED light source 10 as an asymmetry light distribution LV1, the asymmetry light distribution LV1 being a substantially horizontally extending HD Line HD1 and a sloping HD line HD1 'has.
  • Such an asymmetry light distribution LV1 is in FIG. 2 and in detail again in FIG. 7 shown.
  • the second reflector 2 is a reflector of the HD front-surface reflector type, which is adapted to image light of the LED light source 20 assigned to it as apron light distribution LV2 with an HD line HD2 extending substantially horizontally in the light image ,
  • Such an apron light distribution LV2 is in FIG. 2 and in detail again in FIG. 8 shown.
  • the third reflector 3 is a reflector of the near-front reflector type, which is configured to emit light of its associated LED light source 30 as near-front light distribution LV3 with an HD line HD3 extending substantially horizontally in the light image map.
  • Such near-front light distribution LV3 is in FIG. 2 and in detail again in FIG. 9 shown.
  • the reflector 2 of the type HD apron reflector generates the upper part of the apron light distribution LV2 with the upper boundary of the apron light distribution with the horizontal boundary line HD2, the further reflector 3 of the near-front reflector type generates the underlying portion of the Apron light distribution forms.
  • the two partial light distributions LV2, LV3 overlap.
  • the horizontal boundary line or HD line HD3 forms the HD line of this apron light distribution, but can not be seen in the total light distribution as a light-dark boundary, since it lies within the other partial light distributions.
  • top, bottom, vertical, vertical, horizontal in connection with a photograph do not refer to the real image projected on a roadway ahead of a vehicle, but from a vertical screen in a defined Distance (eg 10 or 25 meters) projected photo.
  • the reflectors 1, 2, 3 are fixedly positioned with respect to their LED light sources 10, 20, 30, and on the other hand, the individual system consisting respectively of reflector and associated light source are fixedly positioned relative to one another or only in each case exactly predetermined position can be attached to each other.
  • complicated setting procedures can be avoided and the costs reduced accordingly.
  • This tolerance is basically adjustable and, after frequently the LED light sources are already supplied preassembled on a printed circuit board and also the positions of the reflectors are already predetermined with respect to the circuit boards, usually on the manufacturing accuracy of the reflectors are still affected.
  • the horizontal HD lines HD1, HD2, HD3 of the partial light images LV1, LV2, LV3 generated with reflectors 1, 2, 3 of a specific type and associated LED light source 10, 20, 30 are within vertical tolerance fields TF1, TF2, TF3.
  • Such tolerance fields TF1, TF2, TF3 are in FIG. 3 and FIG. 4 shown.
  • the tolerance field TF1, TF2, TF3 of each reflector type in each case has an upper tolerance field limit TF1 ', TF2', TF3 'and a lower tolerance field limit TF1 ", TF2", TF3 "If, in connection with the term” tolerance "or” Tolerance "is spoken by a reflector or reflector type, so is so the tolerance or the Tolerance field of the system reflector - light source meant. For the sake of simplicity, however, only tolerance or tolerance field of the reflector is usually discussed.
  • This "tolerance of a reflector type” or this "tolerance field of a reflector type” results from the fact that reflectors of a certain type are subject to a tolerance, the associated at least one LED light source itself is subject to a tolerance, the position of the at least one LED Light source is subject to a tolerance, and also the position of the reflectors is tolerant, as already mentioned above.
  • tolerance field now means the following: we consider, for example, the system of reflector 1 and LED light source 10, which generates a light distribution LV1 with a horizontal bright-dark boundary HD1.
  • This system has a defined light source 10, which is positioned on a support plate at a defined location. The system further has a defined position for the reflector 1.
  • the bright-dark boundary HD1 will assume a certain vertical position.
  • the light-dark boundary will have a different vertical position, etc.
  • That vertical area within which the generated light-dark boundary may be located is referred to as tolerance field TF1.
  • Light units with an out-of-tolerance HD line can not be used.
  • the frequency distribution of the position of the horizontal HD lines HD1, HD2, HD3 within the tolerance fields TF1, TF2, TF3 of the different reflector types 1, 2, 3 follows as in FIG. 3 and FIG. 4 shown a distribution curve K1, K2, K3, for example, a Gaussian distribution curve, wherein the distribution curves K1, K2, K3 each have a distribution maximum K1m, K2m, K3m.
  • the reflector 2 type HD front reflector and the reflector 1 of the asymmetry reflector type are formed such that in their positions defined with respect to the associated LED light sources 10, 20, the tolerance fields TF1, TF2 of Reflectors 1, 2 type HD apron reflector and the type asymmetry reflector do not overlap each other in the vertical direction, so that the tolerance field lower limit TF1 "of the asymmetry reflector 1 above or at the same height of the tolerance field upper limit TF2 'of the reflector. 2 of the type HD apron reflector.
  • FIG. 4 provided that the reflector 2 type HD apron reflector and the reflector 1 of the asymmetry reflector type are formed such that in their defined with respect to the associated LED light sources 10, 20, the tolerance fields TF1, TF2 of the reflectors.
  • the reflector near-front reflector type 3 is formed such that in its defined with respect to its associated at least one LED light sources 30 position tolerance field upper limit TF3 'of the tolerance field TF3 of the reflector 3 of the type Nah -Field reflector below the tolerance field lower limit TF1 "of the reflector 1 of the asymmetry reflector type.
  • the tolerance field of the at least one X-type reflector does not mean that each X-type reflector has its own tolerance field but that the reflector is designed so that its HD line is within the tolerance field the type X reflectors is located.
  • the reflector near-front reflector type 3 is formed such that the tolerance field upper limit TF3 'of the reflector near-field reflector type 3 below the tolerance field upper limit TF2' of the reflector 2 of the type HD apron reflector and above the tolerance field lower limit TF2 "of the reflector 2 type HD apron reflector is.
  • the reflector 1 of the asymmetric reflector type is designed in such a way that the position of the horizontal HD line HD of the desired or prescribed position Total light distribution LV is within the tolerance field TF1 of the reflector 1 of the asymmetric reflector type.
  • TF2 of the reflector 2 of the type HD front-end reflector overlap each other in the vertical direction by 0.1 ° - 0.2 °.
  • the overlap area between the tolerance field upper limit TF2 'of the HD front-end light distribution LV2 and the tolerance field lower limit TF1 "of the asymmetry light distribution LV1 thus extends over a range of 0.1 ° -0.2 ° in the vertical direction.
  • FIG. 3 and FIG. 4 Furthermore, it can be seen, is provided in order to obtain the largest possible number of light modules, the light image is legally compliant, further provided that in their defined with respect to the associated LED light sources 10, 20 positions the distribution maximum K1m of Tolerance field TF1 of the reflector 1 of the type asymmetry reflector above the distribution maximum K2m of the tolerance field TF2 of the reflector 2 type HD apron reflector is.
  • the distribution maximum K1m of the tolerance field TF1 of the reflector 1 type asymmetry reflector above the tolerance field upper limit TF2 'of the tolerance field TF2 of the reflector 2 type HD apron reflector is provided in this context according to the invention.
  • the distribution maximum K2m of the tolerance field TF2 of the reflector type HD front reflector reflector 2 is below the tolerance field lower limit TF1 "of the tolerance field TF1 of the reflector type asymmetric reflector.
  • FIGS. 5 and 6 Two more extreme situations that can arise when assembling a light module.
  • FIG. 5 Corresponding to a light module FIG. 5 is the light-dark boundary HD1 generated by the reflector 1 in the uppermost region of the tolerance field TF1 of the reflectors of the asymmetry reflector type. Regardless of where within the tolerance field TF2 of the HD front-end reflectors specifically the bright-dark boundary HD2 of the reflector 2, in this case, the horizontal light-dark line HD of the low beam distribution of the reflector 1 is generated.
  • the bright-dark boundary HD2 at the lowest limit of the tolerance field TF2 while the HD line HD3 of the reflector 3 is at the uppermost limit of the tolerance field TF3 and thus above the HD line HD2.
  • FIG. 6 Corresponding to a light module FIG. 6 is the light-dark boundary HD1 generated by the reflector 1 in the lowermost region of the tolerance field TF1 of the reflectors of the asymmetry reflector type. Furthermore, the bright-dark boundary HD2, which is generated by the reflector 2, here lies in the uppermost region of the tolerance field TF2 of the HD apron reflectors and thus above the cut-off line HD1. Thus, in this example, the horizontal light-dark line HD of the low-beam light distribution is generated by the reflector 2.
  • the asymmetry component HD 'of the low beam distribution LV is generated by the reflector 1 in each case.
  • FIGS. 7 to 9 show them in sequence the principal shape of the asymmetry light distribution LV1 ( FIG. 7 ), the HD apron light distribution ( FIG. 8 ) and the near-apron light distribution ( FIG. 9 ).
  • FIG. 10 now shows a superimposition of the light distributions LV1, LV2, LV3 with the layers of the light-dark boundaries HD1, HD2, HD3 as in FIG. 5 shown. As can be clearly seen, here the bright-dark boundary HD of the total light distribution LV of reflector 1 is formed.
  • FIG. 11 finally shows a superposition of the light distributions LV1, LV2, LV3 in correspondence to FIG. 6 ; Here, the light-dark boundary HD of the total light distribution LV of reflector 2 is formed.
  • each reflector has at least one light source assigned to it. All the reflectors used must each meet the conditions described above with reference to the example of one reflector per sub-light distribution.
  • the apron light distribution is also possible to produce with only a single type of reflector, whereby again exactly one or even two or more reflectors of this type can be used. However, better results are generally achieved if the apron light distribution is generated by means of at least two reflectors 2, 3 of different types, as described above.

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  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
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Claims (12)

  1. - Module d'éclairage (100) pour un véhicule à moteur ou pour un phare de véhicule à moteur,
    le module d'éclairage (100) étant configuré pour générer une distribution de lumière (LV) qui correspond aux feux de croisement, laquelle présente au moins une ligne HD horizontale (HD) et une ligne HD inclinée vers le haut par rapport à celle-ci (HD'),
    et le module d'éclairage (100) comportant au moins deux réflecteurs (1, 2, 3), et à chaque réflecteur (1, 2, 3) étant associé au moins une source lumineuse à DEL (10, 20, 30),
    au moins l'un des réflecteurs (2) étant du type réflecteur d'avant-plan HD, lequel type est conçu pour projeter de la lumière de la au moins une source lumineuse à DEL (20) associée à celui-ci en tant que distribution de lumière d'avant-plan (LV2) ayant une ligne HD s'étendant sensiblement horizontalement dans le motif de lumière (HD2),
    et au moins un autre réflecteur (1) étant du type réflecteur à asymétrie, lequel type est conçu pour projeter de la lumière de la au moins une source lumineuse à DEL (10) associée à celui-ci en tant que distribution de lumière à asymétrie (LV1), la distribution de lumière à asymétrie (LV1) présentant une ligne HD s'étendant sensiblement horizontalement (HD1) et une ligne HD inclinée vers le haut (HD1'),
    la au moins une source lumineuse à DEL (10) associée à le au moins un réflecteur (1) du type réflecteur à asymétrie et la au moins une source lumineuse à DEL (20) associée à le au moins un réflecteur (2) du type réflecteur d'avant-plan HD étant disposées d'une manière fixe l'une par rapport à l'autre,
    tous les réflecteurs (1,2) étant disposés en exactement une position définie par rapport aux sources lumineuses à DEL (10, 20) associées à ceux-ci, et
    les réflecteurs (1) du type réflecteur à asymétrie et les réflecteurs (2) du type réflecteur d'avant-plan HD étant configurés de telle sorte que, par agencement d'au moins un réflecteur (1) du type réflecteur à asymétrie dans sa position définie et d'au moins un réflecteur (2) du type réflecteur d'avant-plan HD dans sa position définie, la ligne HD horizontale de la distribution de lumière globale (LV) est formée par la ligne HD horizontale (HD1) du au moins un réflecteur (1) du type réflecteur à asymétrie et/ou par la ligne HD horizontale (HD2) du au moins un réflecteur (2) du type réflecteur d'avant-plan HD, chaque système se composant d'un réflecteur (1, 2, 3) d'un type déterminé et d'au moins une source lumineuse à DEL (10, 20, 30) associée étant soumis à une tolérance, de préférence réglable,
    de telle sorte que les lignes HD horizontales (HD1, HD2, HD3) dans les motifs de lumière (LV1, LV2, LV3) générés par les réflecteurs (1, 2, 3) du même type et au moins une source lumineuse à DEL (10, 20, 30) associée se trouvent à l'intérieur d'un domaine de tolérance vertical (TF1, TF2, TF3),
    le domaine de tolérance (TF1, TF2, TF3) de chaque type de réflecteur dans chaque cas présentant une limite supérieure de domaine de tolérance (TF1', TF2', TF3') et une limite inférieure de domaine de tolérance (TF1", TF2", TF3"), le au moins un réflecteur (2) du type réflecteur d'avant-plan HD ainsi que le au moins un réflecteur (1) du type réflecteur à asymétrie étant configurés de telle sorte que, dans leurs positions définies par rapport aux sources lumineuses à DEL (10, 20) associées, les domaines de tolérance (TF1, TF2) des réflecteurs (1, 2) du type réflecteur d'avant-plan HD et du type réflecteur à asymétrie se chevauchent l'un l'autre en direction verticale, de telle sorte que la limite inférieure de domaine de tolérance (TF1") du au moins un réflecteur à asymétrie (1) se situe au-dessous de la limite supérieure de domaine de tolérance (TF2') du au moins un réflecteur (2) du type réflecteur d'avant-plan HD et la limite supérieure de domaine de tolérance (TF1') du au moins un réflecteur (1) du type réflecteur à asymétrie (1) se situe au-dessus de la limite supérieure de domaine de tolérance (TF2') du au moins un réflecteur (2) du type réflecteur d'avant-plan HD, et la distribution en fréquence de la position des lignes HD horizontales (HD1, HD2, HD3) à l'intérieur des domaines de tolérance (TF1, TF2, TF3) des réflecteurs (1, 2, 3) suit une courbe de distribution (K1, K2, K3), par exemple une courbe de distribution gaussienne, les courbes de distribution (K1, K2, K3) comprenant chacune un maximum de distribution (K1m, K2m, K3m),
    caractérisé par le fait que
    le maximum de distribution (K1m) du domaine de tolérance (TF1) du au moins un réflecteur (1) du type réflecteur à asymétrie se situe au-dessus de la limite supérieure de domaine de tolérance (TF2') du domaine de tolérance (TF2) du au moins un réflecteur (2) du type réflecteur d'avant-plan HD, et/ou
    le maximum de distribution (K2m) du domaine de tolérance (TF2) du au moins un réflecteur (2) du type réflecteur d'avant-plan HD se situe au-dessous de la limite inférieure de domaine de tolérance (TF1") du domaine de tolérance (TF1) du au moins un réflecteur (1) du type réflecteur à asymétrie.
  2. - Module d'éclairage selon la revendication 1, caractérisé par le fait qu'au moins deux réflecteurs (2, 3) sont prévus pour la génération de la distribution de lumière d'avant-plan, au moins un réflecteur (2) étant du type réflecteur d'avant-plan HD (2) ainsi qu'au moins un réflecteur (3) étant du type réflecteur d'avant-plan proche.
  3. - Module d'éclairage selon l'une des revendications 1 ou 2, caractérisé par le fait que le au moins un réflecteur (3) du type réflecteur d'avant-plan proche est configuré de telle sorte que, dans sa position définie par rapport à la au moins une source lumineuse à DEL (30) associée à celui-ci, la limite supérieure de domaine de tolérance (TF3') du domaine de tolérance (TF3) du au moins un réflecteur (3) du type réflecteur d'avant-plan proche se situe au-dessous de la limite inférieure de domaine de tolérance (TF1") du au moins un réflecteur (1) du type réflecteur à asymétrie.
  4. - Module d'éclairage selon la revendication 3, caractérisé par le fait que le au moins un réflecteur (3) du type réflecteur d'avant-plan proche est configuré de telle sorte que la limite supérieure de domaine de tolérance (TF3') du au moins un réflecteur (3) du type réflecteur d'avant-plan proche se situe au-dessous de la limite supérieure de domaine de tolérance (TF2') du au moins un réflecteur (2) du type réflecteur d'avant-plan HD et au-dessus de la limite inférieure de domaine de tolérance (TF2") du au moins un réflecteur (2) du type réflecteur d'avant-plan HD.
  5. - Module d'éclairage selon l'une des revendications 1 à 4, caractérisé par le fait que le au moins un réflecteur (1) du type réflecteur à asymétrie est configuré de telle sorte que la ligne HD horizontale (HD) de la distribution de lumière globale (LV) se situe à l'intérieur du domaine de tolérance (TF1) du au moins un réflecteur (1) du type réflecteur à asymétrie.
  6. - Module d'éclairage selon l'une des revendications 1 à 5, caractérisé par le fait que le domaine de tolérance (TF1) du au moins un réflecteur du type réflecteur à asymétrie et le domaine de tolérance (TF2) du au moins un réflecteur (2) du type réflecteur d'avant-plan HD se chevauchent l'un l'autre dans la direction verticale de 0,1°-0,2°.
  7. - Module d'éclairage selon l'une des revendications 1 à 6, caractérisé par le fait que chaque source lumineuse à DEL (10, 20, 30) comporte au moins une diode électroluminescente (DEL).
  8. - Module d'éclairage selon l'une des revendications 1 à 7, caractérisé par le fait que les sources lumineuses à DEL (10, 20) associées à le au moins un réflecteur (1) du type réflecteur à asymétrie et celles associées à le au moins un réflecteur (2) du type réflecteur d'avant-plan HD sont disposées sur une plaque de support commune, de préférence une carte de circuits imprimés à DEL commune.
  9. - Module d'éclairage selon la revendication 8, caractérisé par le fait que la au moins une source lumineuse à DEL (30) associée à le au moins un réflecteur (3) du type réflecteur d'avant-plan proche est de la même façon positionnée sur la plaque de support commune, de préférence sur la carte de circuits imprimés à DEL commune.
  10. - Module d'éclairage selon l'une des revendications 1 à 9, caractérisé par le fait que des moyens de fixation et/ou des moyens de positionnement sont prévus, au moyen desquels des réflecteurs du même type sont aptes à être positionnés et fixés sur différentes plaques de support dans la même position par rapport aux sources lumineuses à DEL de la plaque de support.
  11. - Module d'éclairage selon l'une des revendications 1 à 10, caractérisé par le fait que, dans leurs positions définies par rapport aux sources lumineuses à DEL (10, 20) associées, le maximum de distribution (K1m) du domaine de tolérance (TF1) du au moins un réflecteur (1) du type réflecteur à asymétrie se situe au-dessus du maximum de distribution (K2m) du domaine de tolérance (TF2) du au moins un réflecteur (2) du type réflecteur d'avant-plan HD.
  12. - Phare de véhicule ayant au moins un module d'éclairage selon l'une des revendications 1 à 11.
EP13795411.1A 2012-12-13 2013-10-22 Module d'éclairage pour un phare de véhicule Active EP2931556B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50585/2012A AT513129B1 (de) 2012-12-13 2012-12-13 Lichtmodul für einen Fahrzeugscheinwerfer
PCT/AT2013/050204 WO2014089585A1 (fr) 2012-12-13 2013-10-22 Module d'éclairage pour un phare de véhicule

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EP2931556A1 EP2931556A1 (fr) 2015-10-21
EP2931556B1 true EP2931556B1 (fr) 2016-11-30

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EP (1) EP2931556B1 (fr)
JP (1) JP6088066B2 (fr)
CN (1) CN105246739B (fr)
AT (1) AT513129B1 (fr)
BR (1) BR112015012405A2 (fr)
MX (1) MX342169B (fr)
WO (1) WO2014089585A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US11435047B2 (en) 2018-05-24 2022-09-06 HELLA GmbH & Co. KGaA Front light module

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FR3044386A1 (fr) * 2015-11-27 2017-06-02 Valeo Vision Belgique Projecteur antibrouillard multi-sources
EP3540294A1 (fr) * 2018-03-15 2019-09-18 ZKW Group GmbH Module lumineux du véhicule automobile
FR3090816B1 (fr) * 2018-12-19 2021-07-02 Valeo Vision Dispositif lumineux pour véhicule automobile
DE102019110967A1 (de) 2019-04-29 2020-10-29 HELLA GmbH & Co. KGaA Verfahren zur Steuerung eines Scheinwerfers eines Kraftfahrzeugs

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Publication number Priority date Publication date Assignee Title
US11435047B2 (en) 2018-05-24 2022-09-06 HELLA GmbH & Co. KGaA Front light module

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AT513129A4 (de) 2014-02-15
MX342169B (es) 2016-09-15
US20150354773A1 (en) 2015-12-10
AT513129B1 (de) 2014-02-15
WO2014089585A1 (fr) 2014-06-19
BR112015012405A2 (pt) 2017-07-11
CN105246739B (zh) 2017-05-17
EP2931556A1 (fr) 2015-10-21
JP2016503941A (ja) 2016-02-08
JP6088066B2 (ja) 2017-03-01
US9611998B2 (en) 2017-04-04
MX2015007592A (es) 2015-10-22
CN105246739A (zh) 2016-01-13

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