EP1686310B1 - Kfz-Scheinwerfer mit im wesentlichen vertikaler Ausdehnung - Google Patents

Kfz-Scheinwerfer mit im wesentlichen vertikaler Ausdehnung Download PDF

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Publication number
EP1686310B1
EP1686310B1 EP06290170A EP06290170A EP1686310B1 EP 1686310 B1 EP1686310 B1 EP 1686310B1 EP 06290170 A EP06290170 A EP 06290170A EP 06290170 A EP06290170 A EP 06290170A EP 1686310 B1 EP1686310 B1 EP 1686310B1
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EP
European Patent Office
Prior art keywords
reflector
ellipsoidal
verticalised
source
zone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP06290170A
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English (en)
French (fr)
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EP1686310A1 (de
Inventor
Jean-Luc Meyrenaud
Etienne Pauty
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 EP1686310A1 publication Critical patent/EP1686310A1/de
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Publication of EP1686310B1 publication Critical patent/EP1686310B1/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
    • F21S41/663—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by switching 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
    • 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
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—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
    • F21S41/335—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with continuity at the junction between adjacent areas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/36—Combinations of two or more separate reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • 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

Definitions

  • the invention relates to a projector for a motor vehicle, in particular a projector of the so-called “verticalized” type and comprising at least one reflector associated with at least one light source preferably placed in the vicinity of the focus of the reflector.
  • this term refers to a headlamp which, when mounted on the vehicle for which it is intended, has a height of dimension significantly greater than its width: it is a headlamp that extends mainly in a vertical direction once mounted, and is therefore significantly higher than wide (although it can be mounted not exactly vertical in the vehicle body).
  • This verticalization is generally induced by the arrangement of the reflector of the projector (of the main projector if there are several), also arranged in the projector so as to be higher than wide once on the vehicle.
  • EP 0 933 585 a light source projector disposed transversely to the optical axis of the reflector with which it is associated, this reflector being of "verticalized” type.
  • the term “verticalized reflector” a reflector extending mainly in the vertical direction, once the projector mounted in the vehicle, and whose surface is determined to reflect in a substantially horizontal direction light rays from a source located near the focus of the reflector.
  • the projector according to the EP 0 933 585 allows to obtain a beam of satisfactory range along the optical axis of the projector, with a clear cut of the beam below a horizontal plane.
  • a lens is placed in front of the ellipsoidal reflector, and a verticalized reflector is disposed on the side of the notch opposite the ellipsoidal reflector.
  • This verticalized reflector is intended to produce, from the source housed in the ellipsoidal reflector, a light beam that is not intercepted by the lens. It turned out, however, that this optical system could be further improved.
  • the object of the invention is therefore to provide a projector intended to equip vehicles, which, while retaining the advantages provided by a verticalized reflector, makes it possible to obtain better optical performances, in particular to obtain a system capable of producing several beams of different photometries with the same optical system.
  • the invention in the alternative, seeks to obtain a verticalized type of projector that can be compact in size, particularly with regard to its depth, and which is simple to operate.
  • This verticalized reflector R2 preferably comprises at least three zones arranged successively according to the height of said reflector: a first zone R21, the closest to the indentation (1), which is an ellipsoidal surface portion, then a second zone R22 composed of a plurality of facets, then a third zone R23 which is a parabolic surface portion.
  • source is meant the (or one) filament (s) of the lamp when it is a filament lamp type halogen lamp (which is commonly referred to as a cylinder).
  • a filament lamp type halogen lamp which is commonly referred to as a cylinder.
  • cup the component that one translates into English by "baffle”: it is about an element arranged near the light source in question (here the first one), which recovers a part of the flow emitted by the source to redirect it to another direction / to another zone (which thus corresponds to an interception of the light emitted directly by the light source for the most part). It is generally an element whose surface directed towards the source is reflective and which is in the immediate vicinity of the source inside the bulb of the lamp.
  • the cups incorporated in the lamps are known to serve to create the cutoff of a code-type cut-off beam.
  • this cup it is preferred to use this cup to prevent the light emitted by the first source can reach the verticalized reflector.
  • the cup is therefore used in the first place as a means of occulting the rays coming from the first source S1 towards the verticalized reflector R2. Since this means is preferably reflective of these rays and non-absorbent, it will also serve as a flux recuperator of the rays of S1 to the reflector R1.
  • the invention has thus devised a vehicle lighting device which combines two types of reflector: an ellipsoidal reflector associated with a lens of the type found, for example, in elliptical modules, and a verticalized reflector, preferably sharing the same focal length.
  • the ellipsoidal reflector will therefore be able to cooperate with the first source and the lens to give a first type of beam, particularly at a cutoff, while the verticalized reflector can cooperate with the second source to produce a completely different beam, a non-breaking beam of the type road for example.
  • the optical system according to the invention can thus constitute a bi-function module of the code / route type which is compact and which does not impose moving parts to move from one function to another. We therefore "specialized" each reflector associated with "his" light source, which allows to very precisely adjust the two different beams from the same module.
  • an orientation of the light sources substantially parallel to the optical axis has the advantage of an identical mounting of the light source between the right projector and the left projector of the same vehicle.
  • the two light sources S1, S2 are combined according to the invention in a single lamp of bi-filament type: it is a compact solution, which requires only one opening to mount the single lamp in the ellipsoidal reflector. It may be for example lamps known under the trade name H4 or DFCS.
  • the document US 4, 914, 747 describes a bi-filament lamp associated with an ellipsoidal reflector.
  • the axis of at least one of the light sources S1, S2, in particular of the two sources is arranged in a substantially horizontal plane.
  • all the zones of the verticalized reflector R2 have a focus located in the vicinity of the second light source S2.
  • the first zone R21 of the verticalized reflector R2 is an ellipsoidal surface focused on the second light source S2.
  • This zone contributes in particular to increasing the comfort of the second beam.
  • “comfort” is meant the intermediate light zone which is situated between the maximum point of illumination of the light beam and the most lateral zones of the beam which define its width.
  • the second zone R22 of the verticalized reflector comprises at least at least one central facet (z1), at least two intermediate facets z2 and at least two lateral facets z3.
  • One can thus have one, preferably two, central facet, which contributes (s) in particular to the width of the second beam, at least two or four intermediate facets, which contribute in particular to the comfort of the second beam, and finally two or four side facets which contribute more to the maximum of the second beam.
  • the more the number of facets is important the more one guarantees a good homogeneity of the beam, on the other hand the more one complicates the design of the reflector.
  • the facets can be delimited between them by streaks or not.
  • the third zone R23 contributes to defining the maximum of the beam produced by the set of verticalized reflector R2.
  • the ellipsoidal reflector R1) comprises a cover 5 situated in the vicinity of the external focus Fe of the reflector R1 so that the beam coming from said reflector R1 and emitted by said device is a cut-off beam.
  • the cover may be located at the focus or behind the focus of the ellipsoidal reflector.
  • the upper edge of the cover is located below the horizontal plane passing through the optical axis of the reflector, in particular between 0 and 2 mm below, in particular between 0.5 and 1.8 mm or between 0.7 and 1.7 mm below, for example about 1.5 mm below.
  • the choice of this dimension depends on the definition of the ellipsoidal mirror.
  • the cache is advantageous because it makes it possible to recover a non-interfering portion of additional luminous flux.
  • the cover unlike the cup mentioned above, intercepts rays emitted directly from the light source, but also rays that have already undergone one or more reflections on one or more reflectors.
  • the cover may be constituted by a cylinder portion with vertical generatrices, turning its concavity forward, according to the curvature of the field of the ellipsoidal reflector.
  • the cache may also have other geometric definitions, for example, being plane. The choice of its shape may depend on the chromaticism of the lens associated with the ellipsoidal mirror.
  • the cover is associated with an additional optical element arranged between the light source and the cover, said additional optical element being in the vicinity of the optically active edge of the cover and having at least one reflecting surface capable of redirecting above the optically active edge of the cache light rays emitted by the source towards said cache.
  • This additional element may take the form of a plate whose front edge is attached to the optically active edge of the cover, which is substantially flat and an upwardly facing face is reflective.
  • This element can be mechanically fixed to the cache, or can be part of it.
  • This element can be referred to as "folding". This folder is designed so that it reflects the rays appropriately to the lens, rays that otherwise would have been lost.
  • the lens may be arranged in such a way that its focus is behind, in particular at the same level as the upper edge of the cover when it is present, and for example at about 0.5 to 2 mm backwards, for example 1, 5 mm behind the outer focus of the ellipsoidal reflector. This distance may depend, in particular, on the focal length of the lens and the definition of the ellipsoid. (The focal point of the lens can also be exactly at the level of the external focus). This configuration of the lens behind the external focus optimizes the recovery of the maximum light flux above the cut when there is a cache.
  • the second beam coming from the second source S2 and reflected by the verticalized reflector R2, possibly with a contribution from the ellipsoidal reflector (R1), is an uninterrupted beam, of road type.
  • the beam produced by the verticalized reflector has an opening angle at most equal to or of the order of ⁇ 15 ° on either side of the optical axis.
  • the beam produced by the ellipsoidal reflector has an opening angle of about ⁇ 35 to 40 ° on either side of the optical axis.
  • the plane passing through the axis of the first light source S1 is substantially horizontal, the ellipsoidal reflector R1 being located above this plane and the verticalized reflector R2 being located below this plane.
  • the notch 1 of the ellipsoidal reflector R1 has an angular aperture substantially delimited by the intersection of two inclined planes passing respectively through each of the edges of the cup and the center O or the upper edge O 'of the first light source S1 .
  • a light projector P for a motor vehicle comprising a type H4 bi-filament lamp, comprising a first filament (the first source) S1 provided with a cup C, and a second filament (the second source) S2.
  • the two filaments are both assimilated, for the sake of simplification, to sources of cylindrical shape.
  • the source S1 is placed in the vicinity and in front of the internal focal point Fi of an ellipsoidal reflector R1.
  • ellipsoidal reflector is meant a reflector whose surface is defined from two foci respectively an internal focal point Fi and an external focus Fe, this surface approximating an ellipsoid without necessarily being exactly an ellipsoid.
  • the source S2 is also placed in the vicinity of the internal focus Fi, but at the rear of it.
  • the orientation of the two sources is parallel to the optical axis (YY).
  • the source S2 is in a horizontal plane located slightly below the optical axis (YY), the source S1 is preferably in the horizontal plane passing through the optical axis (YY).
  • the cup C1 is arranged, as shown in FIG. figure 3 , so that its two edges C1, C2 are arranged symmetrically with respect to the vertical.
  • the wall of the ellipsoidal reflector R1 comprises a notch 1 on one side of the plane passing through the optical axis YY.
  • the notch 1 corresponds substantially to a section passing through the edges C1, C2 of the cup C and the median axis of the filament S1, by the point 0 (or, in approximation or alternatively) the axis passing through the upper edge O 'of said filament.
  • These cutting planes are inclined +/- 7.5 °. This angle value, in this example of 7.5 °, can vary by a few degrees, in particular depending on the type of cup used.
  • the notch 1 is provided to let down, on the opposite side to the major part of the reflector R12, a maximum of light emitted by the filament S2 to the verticalized reflector R2.
  • the optical axis of the ellipsoidal reflector R1 coincides with the optical axis Y-Y of the projector.
  • a lens 2, of optical axis parallel or coincident with the Y-axis, is placed in front of the reflector R1 in the direction of propagation of light.
  • the diameter of the lens 2 may be about 50 mm.
  • the lens 2 is preferably of small print ("draw" is the distance between the lens and the external focus Fe of R1).
  • the invention also applies to lenses of greater diameter, 60 or 70 mm.
  • the focus 3 of the lens 2 is close to or coincides with the external focus Fe of the reflector R1.
  • the focus 3 of the lens is behind the external focus Fe of the lens 2 by a distance d, in particular about 1.5 mm.
  • the optical axis 4 of the lens 2 is located lower than the optical axis Y-Y.
  • the vertical distance h between the optical axis 4 of the lens 2 and the optical axis Y-Y is about 1.5 mm, which allows to recover more light flux from the reflector R1.
  • the accessory elements of the projector including closing glass and auxiliary equipment for maintaining reflector, lens, light source and other parts, are not shown because known in themselves.
  • the projector P is intended to be bi-function code / route.
  • the code function ie the passing beam, is generated by the light emitted by S1, reflected by R1 and then passing through the lens 3.
  • a cover 5 is provided between S1 and the lens. 3 able to intercept some of the light reflected by the reflector R1.
  • This cover 5 is disposed in the vicinity of the external focus Fe.
  • the cover 5 is constituted by an opaque wafer, for example metallic, held by any appropriate means. Due to the curvature of the field, the cover 5 is plane, and has a profile corresponding to the inverted image relative to the horizontal of the desired cut.
  • the upper edge of the cover 5 is located below the horizontal plane passing through YY at a distance d of about 1 mm.
  • the cache dimensions are at most equal to the horizontal opening of the ellipsoid of the reflector R1.
  • the projector When the source S1 is on, the projector therefore emits a code beam according to the European and American regulations in force, that is to say with a V-cut inclined at 15 °.
  • the figure 4 represents the isolux curves of the code beam, measured at 25 meters from the vehicle equipped with the headlamp.
  • the verticalized reflector R2 is disposed on the side of the indentation 1 opposite the major part of the ellipsoidal reflector R1.
  • the intersection of this verticalized reflector R2 by a vertical plane passing through the axis YY is formed on the one hand by a curve arc adjacent to a parabola arc having a focal point near the internal focus Fi for the lower two-thirds approximately of this reflector (corresponding to the zones R22 and R23), on the other hand by a curve close to an ellipse for the upper third (corresponding to the zone R21) of this reflector.
  • the verticalized reflector R2 is intended to give images of the source S2 centered on the optical axis (YY) at infinity, that is to say, in the field of the automobile, a distance of several tens of meters of the vehicle equipped with the headlamp.
  • the verticalized reflector R2 is designed to focus the beam it reflects in an aperture angle at most equal to or of the order of ⁇ 15 ° on either side of the optical axis Y-Y.
  • zones R22 and R23 may constitute about 2/3 of the height of the reflector R2, and the zone R12 constitute about 1/3 of said height.
  • the invention applies not only to a projector capable of producing two beams of the code / route type, but also any other combination of two functions. It allows to switch easily from one function to another by lighting one or the other of the filaments, without having to tilt a cover, without any movement of mechanical parts, which is very advantageous in terms of reliability and compactness .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (18)

  1. Kraftfahrzeugbeleuchtungsvorrichtung vom Projektionstyp, die wenigstens einen Reflektor und eine Lichtquelle aufweist und mehrere unterschiedliche Lichtbündel auszusenden vermag,
    dadurch gekennzeichnet, dass
    - eine erste Lichtquelle (S1) mit Abschatter (C) nahe und vor dem inneren Brennpunkt (Fi) eines Ellipsoid-Reflektors (R1) angeordnet ist, insbesondere solchermaßen, dass die Achse der Lichtquelle im Wesentlichen parallel zur optischen Achse (YY) des Ellipsoid-Reflektors (R1) ist, wobei der Reflektor (R1) dazu vorgesehen ist, ausgehend von der ersten Lichtquelle (S1) ein erstes Lichtbündel zu erzeugen;
    - eine zweite Lichtquelle (S2) nahe und hinter dem inneren Brennpunkt (Fi) des Ellipsoid-Reflektors (R1) angeordnet ist, insbesondere solchermaßen, dass die Achse der Lichtquelle im Wesentlichen parallel zur optischen Achse (YY) des EIlipsoid-Reflektors (R1) ist;
    - die Wand des Ellipsoid-Reflektors (R1) einen auf einer Seite einer Ebene angeordneten Ausschnitt (1) aufweist, insbesondere einer im Wesentlichen horizontalen Ebene, wenn sich die Vorrichtung in im Fahrzeug montierter Position befindet;
    - eine Linse (2) mit einer optischen Achse, die zu der des Ellipsoid-Reflektors (R1) im Wesentlichen parallel ist oder mit dieser zusammenfällt, vor dem Reflektor (R1) angeordnet ist, wobei der Brennpunkt (3) der Linse sich nahe dem äußeren Brennpunkt (Fe) des Ellipsoid-Reflektors befindet;
    - ein Vertikalreflektor (R2) auf der dem größten Teil des Ellipsoid-Reflektors (R1) gegenüberliegenden Seite des Ausschnitts (1) angeordnet ist, wobei dieser Vertikalreflektor (R2) dazu vorgesehen ist, ausgehend von der im Ellipsoid-Reflektor (R1) platzierten zweiten Lichtquelle (S2) ein zweites Lichtbündel zu erzeugen, das im Wesentlichen nicht durch die Linse (2) abgefangen wird.
  2. Vorrichtung nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass der Vertikalreflektor (R2) wenigstens drei Bereiche aufweist, die entlang der Höhe des Reflektors aufeinanderfolgend angeordnet sind: ein dem Ausschnitt (1) am nächsten gelegener erster Bereich (R21), der ein EIlipsoid-Flächenstück ist, dann ein zweiter Bereich (R22), der aus einer Vielzahl von Facetten gebildet ist, und schließlich ein dritter Bereich (R23), der ein parabolisches Flächenstück ist.
  3. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die beiden Lichtquellen (S1, S2) in einer einzigen Lampe vom Typ Zweifadenlampe vereint sind.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der erste Bereich (R21) des Vertikalreflektors (R2) eine auf die zweite Lichtquelle (S2) fokussierte Ellipsoid-Fläche ist.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der zweite Bereich (R22) des Vertikalreflektors (R2) eine Vielzahl von Facetten aufweist, die im Wesentlichen in Höhenrichtung des Vertikalreflektors (R2) ausgerichtet sind.
  6. Vorrichtung nach Anspruch 5,
    dadurch gekennzeichnet, dass der zweite Bereich (R22) des Vertikalreflektors zumindest wenigstens eine mittlere Facette (z1), wenigstens zwei Zwischenfacetten (z2) und wenigstens zwei seitliche Facetten (z3) aufweist.
  7. Scheinwerfer nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das durch den dritten Bereich (R23) erzeugte Lichtbündel dazu beiträgt, den größten Teil des durch den gesamten Vertikalreflektor (R2) erzeugten Lichtbündels zu bilden.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der Ellipsoid-Reflektor (R1) eine Blende (5) umfasst, die in der Nähe des äußeren Brennpunkts (Fe) des Reflektors (R1) solchermaßen angeordnet ist, dass das von diesem Reflektor (R1) stammende und von der Vorrichtung ausgesandte Lichtbündel ein Lichtbündel mit Hell-Dunkel-Grenze ist, insbesondere vom Typ Abblendlicht.
  9. Vorrichtung nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass die Blende (5) einem zwischen der Lichtquelle (S1) und der Blende angeordneten optischen Zusatzelement zugeordnet ist, wobei das optische Zusatzelement in der Nähe des aktiven optischen Rands der Blende (5) liegt und wenigstens eine reflektierende Oberfläche aufweist, welche die von der Lichtquelle zur Blende ausgesandten Lichtstrahlen über den aktiven optischen Rand zu lenken vermag.
  10. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das von der zweiten Lichtquelle (S2) stammende und vom Vertikalreflektor (R2) reflektierte zweite Lichtbündel, eventuell unter Beteiligung des Ellipsoid-Reflektors (R1), ein Lichtbündel ohne Hell-Dunkel-Grenze vom Typ Fernlicht ist.
  11. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die Achse wenigstens einer der Lichtquellen (S1, S2), insbesondere beider Lichtquellen, in einer im Wesentlichen horizontalen Ebene angeordnet ist.
  12. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass alle Bereiche des Vertikalreflektors (R2) einen Brennpunkt haben, der in der Nähe der zweiten Lichtquelle (S2) liegt.
  13. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das vom Vertikalreflektor (R2) erzeugte Lichtbündel einen Öffnungswinkel von höchstens oder etwa ± 15° beidseits der optischen Achse (YY) hat.
  14. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das vom Ellipsoid-Reflektor (R1) erzeugte Lichtbündel einen Öffnungswinkel von etwa ± 35° bis 40° beidseits der optischen Achse (YY) hat.
  15. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die durch die Achse einer der Lichtquellen (S1, S2) verlaufende Ebene im Wesentlichen horizontal ist, wobei sich der Ellipsoid-Reflektor (R1) über dieser Ebene befindet und der Vertikalreflektor (R2) sich unter dieser Ebene befindet.
  16. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass der Ausschnitt (1) des Ellipsoid-Reflektors (R1) eine Winkelöffnung hat, die im Wesentlichen durch den Schnittpunkt von zwei schiefen Ebenen begrenzt wird, welche durch jeden Rand des Abschatters und die Mitte bzw. den oberen Rand der ersten Lichtquelle (S1) verlaufen.
  17. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die Lichtquellen (S1, S2) von einer Zweifadenlampe vom Typ H4 oder DFCS gebildet sind.
  18. Vorrichtung nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass sie ein Bifunktions-Optikmodul für Abblendlicht/Fernlicht ist.
EP06290170A 2005-02-01 2006-01-27 Kfz-Scheinwerfer mit im wesentlichen vertikaler Ausdehnung Not-in-force EP1686310B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0501035A FR2881509B1 (fr) 2005-02-01 2005-02-01 Projecteur verticalise pour vehicule automobile

Publications (2)

Publication Number Publication Date
EP1686310A1 EP1686310A1 (de) 2006-08-02
EP1686310B1 true EP1686310B1 (de) 2008-04-09

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US (1) US20060171160A1 (de)
EP (1) EP1686310B1 (de)
JP (1) JP2006216551A (de)
AT (1) ATE391884T1 (de)
DE (1) DE602006000872T2 (de)
ES (1) ES2306396T3 (de)
FR (1) FR2881509B1 (de)

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FR2913750A1 (fr) * 2007-03-14 2008-09-19 Valeo Vision Sa Module optique pour projecteur de vehicule automobile
DE102007049309B4 (de) * 2007-10-15 2013-04-11 Automotive Lighting Reutlingen Gmbh Projektionsmodul eines Kraftfahrzeugscheinwerfers
DE102007062136A1 (de) * 2007-12-21 2009-06-25 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
JP4811426B2 (ja) * 2008-03-28 2011-11-09 市光工業株式会社 車両用灯具
JP4867945B2 (ja) * 2008-03-28 2012-02-01 市光工業株式会社 車両用灯具
JP4735664B2 (ja) * 2008-05-14 2011-07-27 市光工業株式会社 車両用灯具
JP5264448B2 (ja) * 2008-12-02 2013-08-14 株式会社小糸製作所 投射型の車両用灯具
JP2011040247A (ja) * 2009-08-10 2011-02-24 Koito Mfg Co Ltd 車両用前照灯の灯具ユニット
WO2011117795A1 (en) * 2010-03-23 2011-09-29 Koninklijke Philips Electronics N.V. Integral lighting assembly
US9115867B2 (en) * 2010-10-19 2015-08-25 Macdonald, Dettwiler And Associates Inc. Dual reflector system for linear lamp illuminators
JP5719671B2 (ja) 2010-11-05 2015-05-20 株式会社小糸製作所 車両用灯具
JP2012185977A (ja) * 2011-03-04 2012-09-27 Honda Motor Co Ltd 車両用ヘッドライト構造
CN103162107A (zh) * 2011-12-09 2013-06-19 北京通力盛达节能设备股份有限公司 一种发光二极管led灯具及其照明方法
JP6150792B2 (ja) * 2012-04-13 2017-06-21 株式会社小糸製作所 車両用の灯具ユニット
JP5985246B2 (ja) * 2012-05-16 2016-09-06 株式会社小糸製作所 車両用前照灯
FR2995661B1 (fr) * 2012-09-17 2018-11-02 Valeo Vision Module d'eclairage pour vehicule automobile
JP6111805B2 (ja) * 2013-04-04 2017-04-12 市光工業株式会社 車両用灯具
KR102041082B1 (ko) * 2013-05-10 2019-11-06 현대모비스 주식회사 헤드램프
JP2016181351A (ja) * 2015-03-23 2016-10-13 スタンレー電気株式会社 車両用前照灯
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Also Published As

Publication number Publication date
DE602006000872T2 (de) 2009-06-04
US20060171160A1 (en) 2006-08-03
ES2306396T3 (es) 2008-11-01
ATE391884T1 (de) 2008-04-15
JP2006216551A (ja) 2006-08-17
DE602006000872D1 (de) 2008-05-21
FR2881509A1 (fr) 2006-08-04
FR2881509B1 (fr) 2007-03-16
EP1686310A1 (de) 2006-08-02

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