EP0723108B1 - Projecteur pour véhicules - Google Patents

Projecteur pour véhicules Download PDF

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Publication number
EP0723108B1
EP0723108B1 EP95118342A EP95118342A EP0723108B1 EP 0723108 B1 EP0723108 B1 EP 0723108B1 EP 95118342 A EP95118342 A EP 95118342A EP 95118342 A EP95118342 A EP 95118342A EP 0723108 B1 EP0723108 B1 EP 0723108B1
Authority
EP
European Patent Office
Prior art keywords
edge
light
stop part
reflector region
reflector
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.)
Expired - Lifetime
Application number
EP95118342A
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German (de)
English (en)
Other versions
EP0723108A1 (fr
Inventor
Rainer Dr. Dipl.-Phys. Neumann
Heike Dipl.-Ing. Eichler
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.)
Marelli Automotive Lighting Reutlingen Germany GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0723108A1 publication Critical patent/EP0723108A1/fr
Application granted granted Critical
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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
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/686—Blades, i.e. screens moving in a vertical plane
    • 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
    • F21S41/17—Discharge 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
    • F21S41/30—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
    • F21S41/33—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
    • 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
    • F21S41/62—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution for adaptation between right-hand and left-hand traffic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/65—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources
    • F21S41/657—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on light sources by moving light sources

Definitions

  • the invention is based on a headlight for vehicles according to the preamble of claim 1.
  • Such a headlight is known from DE 40 02 576 A1.
  • This headlight has a gas discharge lamp Light source on and a reflector, with an upper reflector area and a lower reflector area. From the top The reflector area becomes light as a convergent light beam reflected, which forms a low beam. From the top and the lower reflector area forms reflected light together a high beam. Seen in the direction of light emission after the reflector is a lens through which the light reflected from the upper reflector area passes through. There is an aperture arrangement between the reflector and the lens arranged, which consists of a single aperture and which has an upper edge through which a light-dark boundary of the low beam is generated.
  • the aperture also forms one associated with the lower reflector area Shielding device between a position for Low beam and a position for high beam switchable is.
  • a position for low beam is through the bezel Shielded light reflected from the lower reflector area and in the high beam position from the lower reflector area reflected light passed the aperture and emerge from the headlight.
  • This well-known headlight can thus be used for low beam and high beam are, however, for right-hand traffic and left-hand traffic Different versions required, which means the manufacturing effort of the headlight increased.
  • the headlight according to the invention with the features according to the claim 1 has the advantage that this for Right-hand traffic and left-hand traffic can be used so that only one headlight version is required for both types of traffic is.
  • FIG. 1 shows a headlight for Vehicles in a vertical longitudinal section
  • Figure 2 den Headlights in a cross section along line II-II in Figure 1 with an aperture arrangement according to a first exemplary embodiment in a position for low beam and right-hand traffic
  • Figure 3 shows the aperture arrangement in a position for High beam
  • Figure 4 shows the aperture arrangement in the position for Low beam and left-hand traffic
  • Figure 5 shows the aperture arrangement according to a second embodiment in for right-hand traffic optimized version in one position for low beam
  • Figure 6 shows the panel arrangement according to the second embodiment in a version optimized for left-hand traffic
  • Figure 7 shows the panel arrangement according to a third embodiment in a position for low beam
  • Figure 8 the diaphragm arrangement according to a fourth embodiment in a position for low beam
  • Figure 9 a measuring screen with this in the high beam operating position through the area illuminated by the headlight
  • figure 10 with the measuring screen on this in the operating position
  • a headlight for vehicles shown in FIG. 1, motor vehicles in particular, is used for optional production a low beam and a high beam.
  • the headlight has a reflector 10 into which a gas discharge lamp 12 is used as a light source.
  • a gas discharge lamp 12 In the gas discharge lamp 12, an arc 13 is formed during their operation extends axially along the optical axis 14.
  • the reflector 10 has an upper reflector region 16 and one lower reflector area 18, the transition between the two reflector areas 16, 18 in the horizontal central plane 20 of the reflector 10 or with respect to this can be offset up or down.
  • the transition can form between the two reflector regions 16, 18 a step or a kink or continuously, that means without step or kink.
  • the upper reflector area 16 is designed so that by the gas discharge lamp 12 emitted light as a convergent Beam of light is reflected.
  • the Lens 24 is designed as a converging lens and has one Flat surface 25 facing reflector 10 and one facing the reflector 10 facing away from convex curved surface 26.
  • the curved one Surface 26 of lens 24 is preferably aspherical.
  • the upper reflector region 16 passes through the lens 24 deflected reflected light, preferably in such a way that it is vertical after passing through the lens 24 Longitudinal planes approximately parallel to the optical axis 14 or in Light exit direction 22 is inclined downward to this and is scattered in horizontal longitudinal planes.
  • a translucent cover plate arranged be which can be designed as a smooth disc or with optically effective elements can be provided by the light passing through is deflected.
  • the lens 24 and the reflector 10 30 are arranged, which consist of a fixed Diaphragm part 32 and a movable diaphragm part 34 consists.
  • the fixed panel part 32 can for example on the front edge of the reflector pointing in the direction of light exit 22 10 be attached.
  • the aperture assembly 30 is in substantially below the optical axis 14 in the light exit direction 22 seen after the lower reflector area 18 arranged.
  • the movable screen part 34 has one Top edge 36 through which in a first position Aperture part 34, in which this is shown in FIG vertical direction over the fixed aperture part 32 protrudes a Patoscuro boundary from the headlights emerging light beam is generated. In this first one Position is the movable panel member 34 in the Low beam headlamp operating position.
  • the movable screen part 34 is in a second position movable, in which it is as shown in Figure 3 below of the fixed diaphragm part 32 is arranged. In in this second position is the movable panel part 34 in the operating position of the headlamp for High beam. That reflected from the lower reflector area 18 Light can be in the second position of the movable screen part 34 past this and the fixed panel part 32 and emerge from the headlights and lit up a shown in Figure 9, arranged in front of the headlight Measuring screen 60 in an area designated by 62.
  • the high beam in the operating position from the headlights emerging high beam is thus through that from the upper Reflector area 16 and that of the lower reflector area 18 reflected light formed while in the operating position Dipped beam from the headlight dipped beam only by that from the upper reflector area 16 reflected light is formed.
  • High beam can be reflected by the lower reflector area 18 Light pass through lens 24 while being deflected be or it can also be provided that the light reflected from the lower reflector region 18 at the Lens 24 passed by and thus not deflected by this becomes.
  • this can be optically effective on the cover plate Elements are provided through which the lower reflector area 18 reflected light is deflected.
  • the upper reflector region 16 is optimized in that the light reflected by this in cooperation with the Lens 24 forms an effective low beam while the lower reflector region 18 has been optimized in this regard is that the light reflected by this along with the light reflected from the upper reflector region 16 is an effective one High beam forms.
  • the transition between the two reflector regions 16, 18 can continuously, that means stepless, or also with one step.
  • the upper reflector region 16 can be designed so that it in axial, that is, containing the optical axis 14 Longitudinal sections containing ellipses or curves similar to ellipses.
  • the upper reflector region 16 is not rotationally symmetrical trained, so contains in different axial longitudinal sections different curves.
  • the lower Reflector region 18 can also be designed that he is different in different axial longitudinal sections Contains ellipses or curves similar to ellipses and light emitted from the gas discharge lamp 12 as one convergent light beam reflected.
  • the lower reflector region 18 can be as shown in Figure 1 starting from one shown with dashed lines Position with respect to the upper reflector area 18 around its front edge pointing in the light exit direction 22 a perpendicular to the optical axis 14 and horizontal Axis 35 must be pivoted upwards.
  • the pivot axis 35 can be arranged in the apex region 38 of the reflector 10 his.
  • the gas discharge lamp 12 can also be directed in the direction the optical axis 14 and / or in the vertical direction be moved with respect to the optical axis 14.
  • the gas discharge lamp 12 is in the operating position for high beam in a first position, in the Arc 13 as shown in Figure 1 with solid lines is arranged approximately on the optical axis 14 and at a certain distance from the apex 38 of the reflector 10 is arranged away.
  • the gas discharge lamp 12 In the operating position of the The headlight for low beam is the gas discharge lamp 12 in a second position, in the arc 13 as shown in Figure 1 with dashed lines offset with respect to the optical axis 14 and in a smaller distance from the reflector apex 38 is as in their first position.
  • This ensures that in the operating position of the headlamp for low beam high illuminance just below the Corposcuro limit is present and in the operating position for High beam the area in front of the vehicle with high illuminance is illuminated at a greater distance in front the vehicle is arranged, i.e. the long-range area in front of the Vehicle is illuminated more than in the operating position for low beam.
  • the fixed panel part 32 can also have an upper edge 40, which is effective when the movable Aperture part 34 in the operating position of the headlamp for high beam in its second position according to Figure 3.
  • the upper edge 40 of the fixed panel part 32 is preferably arranged horizontally and through this only a small part of that from the lower reflector region 18 reflected light shielded, which is only little to High beam would contribute.
  • the movable panel member 34 can with respect to the fixed Aperture part 32 can be moved in a straight line in the vertical direction or it can alternatively be provided that the movable diaphragm part 34 by approximately perpendicular to the optical Axis 14 pivotable about horizontal axis 42 is.
  • the movable diaphragm part 34 can be fixed Aperture part 32 can be guided or via axis 42 be mounted on the fixed panel part 32.
  • an actuator 44 is provided, the be electromotive, hydraulic or pneumatic can and that is operated by a control device 46.
  • the control device 46 is connected to the light switch 47 of the Vehicle connected, with the vehicle driver between low beam and high beam switches, and actuates the actuator 44 accordingly.
  • the diaphragm arrangement 30 is according to one first embodiment shown, in which the Top edge 36 of the movable screen part 34 two side by side arranged edge portions 36a and 36b.
  • the both edge portions 36a and 36b are relative to each other arranged inclined and close on the aperture part 34 Angle ⁇ of about 165 °.
  • the two edge sections 36a, 36b abut one another approximately in the region of the optical axis 14.
  • the movable panel member 34 is arranged so that seen in the light exit direction 22 right Edge section 36b is arranged approximately horizontally and the left edge portion 36a to the outer edge of the panel part 34 is inclined downwards.
  • FIG. 10 there is a front the headlight arranged measuring screen 60 shown from the dipped beam emitted by the headlamp in an area labeled 64 is illuminated.
  • the right edge portion 36b of the panel part 34 is generated before the vehicle on the left side of the traffic a horizontal Light-dark boundary 66 and the left edge section 36a are generated on the right-hand side of the traffic an ascending to the right Light-darkness limit 68.
  • This fulfills that from the headlight emerging light bundle legal regulations in Europe, so-called ECE regulations, for asymmetrical low beam.
  • the pivoting of the movable panel member 34 about the axis 48 is effected by a further control element 50, which is eccentric to the axis 48 on the aperture part 34.
  • the Adjustment element 50 can, like the adjustment element 44, move the aperture part 34 between the low beam and high beam position electric motor, hydraulic or pneumatic be effective and is by the vehicle driver via a switching element 52 operated.
  • the diaphragm arrangement 130 is in accordance with shown a second embodiment, the fixed aperture part 132 compared to the first embodiment is not changed and the movable panel part 134 as in the first embodiment for switching between low beam and high beam is movable.
  • the movable cover part 134 has the upper edge 136, with the two edge sections 136a arranged side by side and 136b.
  • the edge sections 136a and 136b close at Aperture part 134 an angle ⁇ of about 165 °, but encounter not in the area of the optical axis 14, but offset in a horizontal direction.
  • the panel arrangement 130 according to FIG. 6 is provided for a vehicle that is predominantly in countries with left-hand traffic is used.
  • the movable panel part 134 is so trained that in the position of the aperture part 134 for Left-hand traffic whose right edge section 136b as in FIG 6 shown with solid lines, arranged inclined and to the left up to the optical axis 14 extends beyond and that arranged only to the left of the optical axis 14 Edge portion 136a is arranged horizontally.
  • This design of the diaphragm part 134 in turn good use of that reflected by the upper reflector region 16 Light and a long range of from the Dipped beam of headlights emerging on their own, that is the left traffic side reached.
  • the aperture assembly 230 is according to a third Embodiment shown.
  • the movable panel part 234 has the fixed aperture part 232 protruding upper edge 236, the two side by side arranged edge portions 236a and 236b, both of which extend approximately horizontally and those in a vertical direction Are offset from one another.
  • In the field of optical Axis 14 is a transition between the two edge sections 236a and 236b through an inclined portion 236c formed.
  • the aperture part 234 also has on its lower edge also has an edge 237, the two side by side has arranged edge sections 237a and 237b, the same direction to each other in the vertical direction are offset like edge portions 236a and 236b of FIG Upper edge 236.
  • the panel part 234 is solid Lines shown in their position for right-hand traffic, in which the left edge section 236a is arranged lower is as the right edge portion 236b. Corresponding the left edge portion 237a of the lower edge 237 is deeper arranged as their right edge portion 237b.
  • FIG 11 is the measuring screen 60 when illuminated by the Low beam headlights emitted headlights shown.
  • the Measuring screen 60 is illuminated in an area designated 70, the one on the oncoming traffic side, that is the left one Traffic side through right edge portion 236b generated horizontal light-dark boundary 72 and on your own, that is, the right side of the traffic created the left edge portion 236a, also horizontal Has light-dark boundary 74, but arranged higher is as the light-dark boundary 72 on the oncoming traffic side.
  • This fulfills that from the headlight with the panel arrangement 230 emerging according to the third embodiment Low beam bundle legal regulations in USA and Japan.
  • the aperture part 234 is around for switching to left-hand traffic one approximately perpendicular to the optical axis 14 and approximately horizontally extending axis 254 pivotable.
  • the axis 254 runs viewed in the vertical direction through the middle of the diaphragm part 234.
  • the aperture part 234 is in its Position pivoted about axis 254 for left-hand traffic with Dashed lines shown, in which the edge 237th protrudes beyond the fixed aperture part 232 and the Low-light limit of the low beam generated. It is the left edge portion 237a is higher in the vertical direction arranged as the right edge portion 237b.
  • the movable diaphragm part 234 according to the third embodiment is also like the first Embodiment for switching between low beam and high beam moving.
  • the diaphragm arrangement 330 is in accordance with a fourth Embodiment shown and has the fixed Diaphragm part 332 and the movable diaphragm part 334.
  • the upper edge 336 of the diaphragm part 334 is of the same design as in the third embodiment, thus shows the two horizontal and vertical to each other offset edge portions 336a and 336b.
  • On his the lower part of the cover part 334 also has an edge 337 on, with two horizontally arranged side by side extending edge portions 337a and 337b.
  • the Edge sections 337a, 337b of the lower edge 337 are mirror images to the edge portions 326a, 336b of the top edge 336 arranged, the left edge portion 337a is arranged higher than the right edge portion 337b.
  • Figure 8 is the aperture part 334 with solid lines in its Position for right-hand traffic arranged in the upper edge 336 generated the Canaloscuro boundary.
  • Line position for left-hand traffic becomes the aperture part 334 about an approximately parallel to the optical axis 14 and horizontally extending axis 354 pivoted.
  • the light-dark boundary is set by the edge 337 generated, which now protrudes beyond the fixed diaphragm part 332.
  • the higher edge section 337b arranged on the left and the lower edge section 337a arranged on the right.

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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 (10)

  1. Projecteur pour véhicules, comprenant :
    une lampe à décharge en atmosphère gazeuse (12) comme source de lumière, un réflecteur (10) qui présente une zone supérieure de réflexion (16) et une zone inférieure de réflexion (18), la lumière émise par la lampe (12) étant renvoyée par la zone supérieure de réflexion (16) sous la forme d'un faisceau convergent constituant le feu de croisement tandis que la lumière renvoyée par la zone inférieure de réflexion (18) forme un faisceau constituant le feu de route,
    une lentille (24) montée en aval du réflecteur (10) par rapport au sens de sortie (22) de la lumière et que traverse au moins la lumière renvoyée par la zone supérieure de réflexion (16),
    entre le réflecteur (10) et la lentille (24) un système d'écran (30 ; 130 ; 230 ; 330) dont au moins une partie (34 ; 134 ; 234 ; 334) est réglable entre une position correspondante au feu de croisement, dans laquelle cette partie (34 ; 134 ; 234 ; 334) fait écran à la lumière renvoyée par la zone inférieure de réflexion (18), et une position correspondant au feu de route, dans laquelle la lumière renvoyée par la zone inférieure de réflexion (18) peut passer devant cette partie d'écran (34 ; 134 ; 234 ; 334) et sortir du projecteur, un bord (36 ; 136 ; 236, 237 ; 336, 337) de la partie d'écran réglable (34 ; 134 ; 234 ; 334) produisant, dans la position pour feu de croisement, une limite clarté-obscurité du faisceau de croisement,
    caractérisé en ce que
    le bord (36 ; 136 ; 236, 237 ; 336, 337) de la partie d'écran (34 ; 134 ; 234 ; 334) présente deux sections disposées côte à côte en direction horizontale (36a, b ; 136a, b ; 236a, b ; 237a, b ; 336a, b ; 337a, b), une section de bord (36a, b ; 136a, b ; 236a, b ; 237a, b ; 336a, b ; 337a, b) créant la limite clarté-obscurité de son propre côté de circulation, tandis que l'autre partie de bord crée la limite clarté-obscurité de l'autre côté,
    les deux sections de bord (36a, b ; 136a, b ; 236a, b ; 237a, b ; 336a, b ; 337a, b) sont, en direction verticale, disposées à des hauteurs différentes,
    la partie d'écran (34 ; 134 ; 234 ; 334) est réglable entre une position pour la circulation à droite et une position pour la circulation à gauche, et dans ces deux positions, chacune des sections de bord (36a, b ; 136a, b ; 236a, b ; 237a, b ; 336a, b ; 337a, b) qui créent la limite clarté-obscurité de leurs propres côtés de la circulation étant disposée en direction verticale plus bas que l'autre partie de bord (36a, b ; 136a, b ; 236a, b ; 237a, b ; 336a, b ; 337a, b) qui crée la limite clarté-obscurité du coté de la circulation en sens inverse.
  2. Projecteur selon la revendication 1,
    caractérisé en ce que
    les deux sections de bord (36a, b ; 136a, b) de la partie d'écran (34, 134) sont inclinées l'une par rapport à l'autre et, dans les deux positions de la partie d'écran (34, 134), la section de bord qui crée la limite clarté-obscurité du côté de la circulation en sens inverse est horizontale, tandis que la section de bord (36a, b ; 136a, b) qui crée la limite clarté-obscurité de son propre côté de circulation, est inclinée vers le bas par rapport à l'horizontale.
  3. Projecteur selon la revendication 2,
    caractérisé en ce que
    les deux sections de bord (36a, b ; 136a, b) de la partie d'écran (34, 134) forment entre elles un angle d'environ 165°.
  4. Projecteur selon la revendication 2 ou 3,
    caractérisé en ce que
    la partie d'écran (34, 134) peut basculer autour d'un axe (48, 148) à peu près parallèle à l'axe optique (14) du réflecteur (10).
  5. Projecteur selon la revendication 1,
    caractérisé en ce que
    les deux sections de bord (236a, b ; 237a, b) de la partie d'écran (234) sont toutes deux à peu près horizontales et la partie d'écran (234) présente un bord inférieur (237) qui comporte également deux sections de bord (237a, b) disposées côte à côte en direction horizontale et qui, en direction verticale, sont décalées entre elles dans le même sens que les sections (236a, b) du bord supérieur (236), la partie d'écran (234) pouvant tourner autour d'un axe (254), à peu près horizontal, la traversant en son milieu à peu près perpendiculairement à l'axe optique (14), de sorte que la limite clarté-obscurité du feu de croisement est créée par le bord supérieur (236) ou par le bord inférieur (237).
  6. Projecteur selon la revendication 1,
    caractérisé en ce que
    les deux sections de bord (336a, b ; 337a, b) de la partie d'écran (334) sont toutes deux à peu près horizontales et la partie d'écran (334) présente un bord inférieur (337) qui comporte également deux sections de bord (337a, b) disposées côte à côte en direction horizontale et symétriquement aux sections (336a, b) du bord supérieur (336), la partie d'écran (334) pouvant tourner autour d'un axe (354) à peu près horizontal, la traversant en son milieu à peu près perpendiculairement à l'axe optique (14), de sorte que la limite clarté-obscurité du feu de croisement est créée par le bord supérieur (336) ou par le bord inférieur (337).
  7. Projecteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la lumière émise par la lampe à décharge (12) est renvoyée par la zone inférieure de réflexion (18) sous la forme d'un faisceau convergent qui traverse également la lentille (24) quand la partie d'écran (34 ; 134 ; 234 ; 334) occupe la position pour feu de route.
  8. Projecteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la lampe à décharge (12) lors du passage du feu de croisement au feu de route, se déplace à la fois le long de l'axe optique (14) et en direction verticale par rapport à cet axe (14).
  9. Projecteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la transition entre la zone supérieure de réflexion (16) et la zone inférieure de réflexion (18) se trouve dans le plan horizontal médian (20) du réflecteur (10), ou en dessous.
  10. Projecteur selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la transition entre la zone supérieure de réflexion (16) et la zone inférieure de réflexion (18) s'effectue par degrés ou de manière continue.
EP95118342A 1995-01-17 1995-11-22 Projecteur pour véhicules Expired - Lifetime EP0723108B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19501173A DE19501173A1 (de) 1995-01-17 1995-01-17 Scheinwerfer für Fahrzeuge
DE19501173 1995-01-17

Publications (2)

Publication Number Publication Date
EP0723108A1 EP0723108A1 (fr) 1996-07-24
EP0723108B1 true EP0723108B1 (fr) 2001-11-21

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EP95118342A Expired - Lifetime EP0723108B1 (fr) 1995-01-17 1995-11-22 Projecteur pour véhicules

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EP (1) EP0723108B1 (fr)
JP (1) JPH08241602A (fr)
DE (2) DE19501173A1 (fr)

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EP1422472A2 (fr) * 2002-11-21 2004-05-26 Valeo Vision Projecteur elliptique pour véhicule automobile émettant des faisceaux d'éclairage différents
DE102005059861A1 (de) * 2005-12-15 2007-06-28 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge

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JP3128618B2 (ja) * 1997-05-26 2001-01-29 株式会社小糸製作所 車輌用灯具の照射方向制御装置
JP3128619B2 (ja) * 1997-05-27 2001-01-29 株式会社小糸製作所 灯具の照射方向制御装置
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DE19750494B4 (de) * 1997-11-14 2009-07-30 Automotive Lighting Reutlingen Gmbh Verfahren zur Herstellung von Fernlichtscheinwerfern für Fahrzeuge
DE19756437A1 (de) * 1997-12-18 1999-06-24 Bosch Gmbh Robert Scheinwerfer für Fahrzeuge für Abblendlicht und Fernlicht
DE19805660A1 (de) * 1998-02-12 1999-08-19 Bosch Gmbh Robert Scheinwerfer für Fahrzeuge für Abblendlicht und Fernlicht
US6183108B1 (en) 1998-03-30 2001-02-06 Michael A. Herold Lighting apparatus with convex-convex lens assembly
AT3450U1 (de) 1998-09-28 2000-03-27 Zizala Lichtsysteme Gmbh Kfz-scheinwerfer
DE19858225A1 (de) * 1998-12-17 2000-06-21 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
IT1307677B1 (it) * 1999-02-08 2001-11-14 Magneti Marelli Spa Proiettore per autoveicoli
DE19908480C2 (de) * 1999-02-26 2001-02-22 Bosch Gmbh Robert Kraftfahrzeugscheinwerfer mit unterschiedlichen Leuchtfunktionen
DE19914417B4 (de) * 1999-03-30 2006-04-20 Automotive Lighting Reutlingen Gmbh Scheinwerferanlage für Fahrzeuge mit wenigstens zwei Scheinwerfern für Abblendlicht
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DE19933414B4 (de) * 1999-07-16 2005-02-03 Automotive Lighting Reutlingen Gmbh Scheinwerfer für Kraftfahrzeuge
DE19938179A1 (de) * 1999-08-16 2001-03-15 Gresser German Hochleistungsscheinwerfer für Nebel- und Abblendlicht mit verbessertem Wirkungsgrad
AT413752B (de) * 2000-03-23 2006-05-15 Zizala Lichtsysteme Gmbh Fahrzeugscheinwerfer
DE60037185T2 (de) * 2000-08-04 2008-10-02 Ford Motor Co., Dearborn Scheinwerfer in elliptischer Ausführung mit zwei Lichtbündeln und Gasentzündungslampe
DE10044391B4 (de) * 2000-09-08 2013-09-05 Automotive Lighting Reutlingen Gmbh Scheinwerfer für Kraftfahrzeuge
FR2815310B1 (fr) 2000-10-12 2003-02-21 Valeo Vision Projecteur pour vehicule automobile a ecran d'occultation mobile
JP2002190202A (ja) * 2000-10-12 2002-07-05 Koito Mfg Co Ltd ヘッドランプ
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DE10125463A1 (de) * 2001-05-25 2002-11-28 Hella Kg Hueck & Co Projektionsmodul für einen Fahrzeugscheinwerfer
JP2002358805A (ja) * 2001-05-30 2002-12-13 Koito Mfg Co Ltd 車輌用前照灯
DE60229475D1 (de) * 2001-08-10 2008-12-04 Ichikoh Industries Ltd Scheinwerfer mit zwei Funktionen
FR2831497B1 (fr) * 2001-10-30 2004-07-09 Valeo Vision Dispositif d'eclairage de type elliptique pour vehicule automobile
DE10217785C1 (de) 2002-04-21 2003-10-16 Matthias Brand Lichtverteilungsbaugruppe mit einer verstellbaren Blendenanordnung
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FR2849156B1 (fr) * 2002-12-20 2005-12-16 Valeo Vision Projecteur de vehicule automobile assurant au moins deux fonctions
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US6746143B1 (en) 2003-03-27 2004-06-08 Guide Corporation Variable progressive beam headlamp
CZ298495B6 (cs) * 2003-04-08 2007-10-17 Visteon Global Technologies, Inc. Zpusob optimalizace dálkového svetla u svetlometupro motorová vozidla a svetlomet pro motorová vozidla
US7083304B2 (en) * 2003-08-01 2006-08-01 Illumination Management Solutions, Inc. Apparatus and method of using light sources of differing wavelengths in an unitized beam
DE10337059A1 (de) * 2003-08-12 2005-04-07 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge
US7246917B2 (en) * 2003-08-12 2007-07-24 Illumination Management Solutions, Inc. Apparatus and method for using emitting diodes (LED) in a side-emitting device
AU2004284713B2 (en) * 2003-10-06 2007-11-15 Signify Holding B.V. Method and apparatus for light collection, distribution and zoom
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EP1753996B1 (fr) * 2004-03-30 2011-06-29 Illumination Management Solutions, Inc. Appareil et procede d'eclairage ameliore d'une zone
EP1605202B1 (fr) 2004-06-09 2016-10-05 Valeo Vision Dispositif projecteur multifonctions
DE102004032797B4 (de) * 2004-07-07 2012-12-27 Automotive Lighting Reutlingen Gmbh Frontscheinwerfer eines Kraftfahrzeugs mit adaptiver Lichtverteilung
DE102004034838B4 (de) * 2004-07-19 2015-07-23 Daimler Ag Fahrzeugscheinwerfersystem mit variabler Strahlform
US20060171153A1 (en) * 2005-02-03 2006-08-03 Hella Kgaa Hueck & Co. Light distribution for headlights of vehicles
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JP4614347B2 (ja) * 2005-06-23 2011-01-19 株式会社小糸製作所 車輌用灯具
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FR2889288B1 (fr) 2005-07-26 2015-07-31 Valeo Vision Dispositif d'eclairage avec plusieurs modules optiques pour vehicule automobile
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DE102006043298A1 (de) * 2006-09-14 2008-03-27 Hella Kgaa Hueck & Co. Projektionsscheinwerfer für Fahrzeuge
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EP1422472A2 (fr) * 2002-11-21 2004-05-26 Valeo Vision Projecteur elliptique pour véhicule automobile émettant des faisceaux d'éclairage différents
EP1422472A3 (fr) * 2002-11-21 2007-06-27 Valeo Vision Projecteur elliptique pour véhicule automobile émettant des faisceaux d'éclairage différents
DE102005059861A1 (de) * 2005-12-15 2007-06-28 Hella Kgaa Hueck & Co. Scheinwerfer für Fahrzeuge

Also Published As

Publication number Publication date
JPH08241602A (ja) 1996-09-17
DE19501173A1 (de) 1996-07-18
EP0723108A1 (fr) 1996-07-24
US5673990A (en) 1997-10-07
DE59509865D1 (de) 2002-01-03

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