WO2016202589A1 - Dispositif pour générer des répartitions de lumière pour les phares d'un véhicule ainsi que phare pour un véhicule - Google Patents

Dispositif pour générer des répartitions de lumière pour les phares d'un véhicule ainsi que phare pour un véhicule Download PDF

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Publication number
WO2016202589A1
WO2016202589A1 PCT/EP2016/062372 EP2016062372W WO2016202589A1 WO 2016202589 A1 WO2016202589 A1 WO 2016202589A1 EP 2016062372 W EP2016062372 W EP 2016062372W WO 2016202589 A1 WO2016202589 A1 WO 2016202589A1
Authority
WO
WIPO (PCT)
Prior art keywords
projection
light
light distribution
illumination
headlight
Prior art date
Application number
PCT/EP2016/062372
Other languages
German (de)
English (en)
Inventor
Christian HÜSTER
Original Assignee
Hella Kgaa Hueck & Co.
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
Application filed by Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2016202589A1 publication Critical patent/WO2016202589A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
    • B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
    • B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
    • B60Q2400/50—Projected symbol or information, e.g. onto the road or car body

Definitions

  • the present invention relates to an apparatus for generating
  • Light distributions for headlights for a vehicle comprising a light unit, wherein the light unit for emitting light for the distribution of light in the
  • a beam direction is formed and the light distribution has a plurality of illumination areas, wherein further in a projection of the
  • Illumination areas on a projection plane which forms an angle greater than 90 ° with the beam direction result in projection areas, one projection area each being illuminated by light from one illumination area each. Furthermore, the
  • Invention a headlamp with such a device.
  • High-resolution headlamps are known in modern technology. High-resolution means in particular that the generated by the headlight
  • Light distribution is divided into several areas or at least can be divided, which can be controlled independently.
  • special devices are usually used to generate such light distributions.
  • Light distribution on a road surface differ significantly in the shape and size of the projection areas illuminated by each of the illumination areas. This can at least restrictively, but usually also adversely affect a functional design of a high-resolution headlamp for this range of light distribution.
  • the resolution of the over the illuminated area is not constant and it is necessary to have a luminosity of
  • the invention relates to a device for generating light distributions for headlamps for a vehicle and to a headlamp for a vehicle, which is disclosed in US Pat
  • the above object is achieved by a device for generating light distributions for headlights for a vehicle with the features of
  • the object is achieved by a device for generating light distributions for headlights for a vehicle, comprising a lighting unit, wherein the lighting unit for emitting light for the
  • Light distribution is formed in a substantially beam direction and the
  • a device according to the invention is characterized in that the
  • Illumination areas are formed at least in a first region of the light distribution such that the through the illumination areas of the first area
  • illuminated projection areas are the same or at least substantially the same shape.
  • a device according to the invention is provided in particular for use in a headlight of a vehicle.
  • a device according to the invention can also be used in other places.
  • the device according to the invention has in particular a
  • Lighting unit which is designed for generating and emitting light.
  • the light is emitted by the lighting unit mostly at least approximately conical or pyramidal and substantially in a beam direction.
  • jet direction means in particular the middle direction of the essentially conical or pyramid-like radiation.
  • the light distribution of a device according to the invention has several illumination areas and is composed of these in particular. It is thus a high-resolution light distribution.
  • a footprint can consist for example of a single radiating element or even smaller
  • each one projection area is illuminated by one footprint each. This means between the beam direction and the
  • Projection plane formed angle greater than 90 °, that in particular the Projection plane is not perpendicular to, in particular middle, beam direction is arranged.
  • the, in particular middle, beam direction with the projection planes can include any angle other than 90 ° or even be parallel to it.
  • the projection areas thus provide one
  • the illumination regions are formed, at least in a first region, such that the projection regions illuminated by these illumination regions are the same or at least substantially the same shape on the projection plane.
  • the first region may preferably be a continuous region of illumination regions.
  • the first area can also cover the entire light distribution.
  • the projection areas are the same size. This allows a uniform illumination of the
  • Projection areas automatically results in a constant resolution, which can be achieved with the high-resolution light distribution on the projection plane.
  • Projection level can be facilitated and improved.
  • a device according to the invention can furthermore be characterized in that the lighting unit has a light source and / or a diaphragm device, wherein the light source and / or the diaphragm device are designed to form the illumination areas.
  • the light source is used to do this for the
  • Light distribution needed to produce light By means of the diaphragm device, which is usually arranged in the beam path of the generated light, this light can be shaped and, for example, locally shaded.
  • Such light sources may be, for example, (halogen) lights, LEDs or laser-induced light sources.
  • diaphragm devices for example LC displays, lens systems or mechanical screens can be used.
  • a combination of a light source and a diaphragm device may also be used to form the footprints.
  • Light distribution for example, on properties of the screen, such as
  • Obstacles or different degrees of reflection can thus be made particularly precisely and in particular particularly precisely by the uniform shape of the individual projection areas.
  • the first region extends over the entire width of the light distribution.
  • the first area may also be provided that the first area
  • a lower part of the light distribution extending over the entire width and from the lower edge of the light distribution up to a fixed height of
  • Light distribution extends forms.
  • an upper part and / or the entire light distribution can be covered by the first area.
  • an abrupt change in the resolution and / or the shape of the projection regions at the edge of the projection surface can be prevented by a first region which extends over the entire width of the light distribution.
  • variable means in particular that the size and / or shape of the first region and / or of the illumination regions of the first region can be changed.
  • variable configuration of the first region and / or the illumination regions of the first region it may in particular be possible to to respond to a change in the projection plane. For example, an angle at which the light distribution strikes the projection surface has a great influence on the shape and size of the projection areas illuminated by the illumination areas of the first area.
  • a variable configuration of the first area and / or the illumination areas of the first area may make it possible to react to a change in this angle and the light distribution
  • the object is achieved by a headlight for a vehicle with a device for generating
  • Headlamp is characterized in that the device is designed according to the first aspect of the invention. Accordingly, a headlight according to the invention brings with it the same advantages as have been explained in detail with reference to a device according to the invention according to the first aspect of the invention. Of course, an inventive headlight, where necessary and / or useful, also have several devices according to the first aspect of the invention.
  • a roadway as
  • Projection level is usable.
  • the headlamp When installed, the headlamp is installed in a vehicle and can be used in this particular for lighting a
  • a headlight according to the invention in which a device according to the invention is installed, it is thus possible when using the roadway as a projection surface to improve the illumination of the road, in particular to produce more uniform both in terms of brightness of the illumination and in terms of resolution of the illumination.
  • the first region of the light distribution which is produced by the device according to the invention to a use of the Lane adapted as a projection level.
  • only a central part of the light distribution may be formed as a first region, in particular if this middle part is sufficient to illuminate the roadway to the edge in a high-resolution manner.
  • Vehicle can be achieved.
  • uniform illumination of a roadway as part of the infrastructure can thus be increased safety for the user of the vehicle, especially when driving in bad outside
  • a headlight according to the invention can also be designed in such a way that the first region is configured in such a way that, in the case of a headlight, a lower section of the light distribution is formed by the first region when installed.
  • the lower section is understood to mean, in particular, a part of the light distribution which at least partially lies on a roadway
  • Projection surface is displayed.
  • Headlight according to the invention can thus be constructed overall simpler.
  • the first area and / or the illumination areas of the first area are made variable and that in the installed state of the headlight, the first area and / or the illumination areas of the first area to a
  • Vehicle environment are customizable. By a variably formed first area and / or by variably formed footprints arise in a headlight, the same advantages as they correspond to one
  • Changes in the vehicle environment in particular changes that bring about a change in the projection plane, can be detected, for example, by sensors of the vehicle and the corresponding data sent to the headlight.
  • the headlight In the headlight then the first area and / or the
  • Illuminated areas of the first area are changed to compensate for these changes.
  • the vehicle surroundings have a road surface and / or a roadway inclination and / or a
  • Road course and / or a roadway boundary includes.
  • a change in the vehicle environment may also include other elements.
  • a road inclination, in particular in the direction of travel changes the angle at which the light distribution hits the road and thus the projection plane. As stated above, this has a great influence on the size and shape of the projection areas. Under a
  • Road course are understood in particular substantially horizontal changes in the road, for example, curves, which lie in the direction of travel in front of the vehicle.
  • a cornering light function with a high resolution can be provided by a headlight according to the invention.
  • Even a road boundary, such as tunnel walls or houses, can change the respective projection level.
  • FIG. 2 shows a light distribution produced by illumination areas according to the invention
  • FIG. 3 shows a device according to the invention
  • FIG. 4 shows a headlight according to the invention.
  • a light distribution 20 is shown on the left side, as by
  • Illumination areas 23 is generated according to the prior art. There are shown several footprints 23, of which only one example with a
  • Illuminated areas 23 are also even square. Shown is a
  • FIG. 20 Frontal view of the light distribution 20, the central beam direction 22 therefore points out of the plane of the drawing.
  • a projection of the light distribution 20 shown on the left is shown on a projection plane 30.
  • the projection plane 30 encloses an angle with the central beam direction 22 or is parallel to it.
  • the beam direction 22 is shown as an arrow. It is clearly visible that the projection areas 31, of which in turn only one example is provided with a reference numeral, clearly show each other in size and shape
  • a uniform illumination of the projection plane 30 becomes at least made more difficult.
  • a uniform resolution of the light distribution 20 by the differently shaped and different sized projection areas 31 is not possible.
  • FIG. 2 likewise shows a light distribution 20 on the left-hand side and its projection onto a projection plane 30 on the right-hand side.
  • the beam direction 22 of the light distribution 20 is selected as in FIG.
  • a first region 21 of a light distribution 20 is shown, whose illumination regions 23 are shaped differently, in particular both in shape and in size.
  • the shape and the size of the illumination areas 23 of the first area 21 are selected such that the corresponding projection areas 31 are now shaped the same.
  • Projection areas 31, which in turn are produced by a projection of the light distribution 20 onto a projection plane 30, wherein each projection area 31 is illuminated by a footprint area 23, are in this embodiment
  • a uniform illumination of the projection plane 30 is particularly easy to reach.
  • a uniform resolution of the light distribution 20 over the entire illuminated area of the projection plane 30 can be made possible.
  • FIG. 3 shows a device 10 according to the invention.
  • the device 10 according to the invention in this case has in particular a lighting unit 11, which has a
  • Light source 12 and a diaphragm device 13 includes. In the shown
  • the light source 12 and the diaphragm device 13 are formed together to produce a high-resolution light distribution 20.
  • Possible light sources 12 are, for example, (halogen) lamps, LEDs or laser-induced light sources, possible
  • Aperture devices 13 may be, for example, LC displays, lens systems or mechanical diaphragms.
  • the light unit 11 is designed in such a way that it generates the light in illumination areas 23 (not shown) when the light distribution 20 is generated. At least in a first area 21 (not shown), the illumination areas 23 are shaped in such a way that they are illuminated by them
  • Projection areas 31 are formed equally shaped.
  • the footprints 23 can be designed for example as shown in Fig. 2 for this purpose.
  • the first region 21 extends over the entire width 24 of the light distribution 20.
  • a configuration of the projection regions 31 (not shown), which are each illuminated by one of the illumination regions 23 of the first region 21, with constant shape and size, can therefore be used for the entire width 24 of the light distribution 20 can be achieved.
  • FIG. 4 shows a headlight 40 according to the invention, in particular in a state 41 installed in a vehicle 50.
  • the headlight 40, 41 in this case has a device 10 according to the invention (not shown) which can be constructed, for example, as described in FIG.
  • a roadway 32 is used as the projection plane 30.
  • the mean beam direction 22 is in this example parallel to the projection plane 30, wherein a lower light beam 22 'with the projection plane 30 forms a first angle a', which is greater than 90 °.
  • An upper light beam 22 "shown as a dotted line forms with the projection plane 30 a second angle a", which is also greater than 90 °.
  • a lower portion 25 of the light distribution 20 is formed by the first area 21, it is possible to project all the projection areas 31 (not shown) projected on the lane 32 by projection of the illumination areas 23 (not shown) of the first area 21, the same shape and, for example, the same size.
  • a particularly uniform illumination of the roadway 32 and a constant resolution of the projected onto the roadway 32 portion of the light distribution 20 can be achieved.
  • the first region 21 and / or the illumination regions 23 of the first region 21 can be variable. This may be provided, data from vehicle sensors such as infrared, radar and / or ultrasonic sensors, but also information from external sources, such as
  • Navigation devices to detect changes in the vehicle environment 51.
  • Such changes such as a change in a Inclination of the roadway 32 or a development on the edge of the roadway 32 may have an influence on the projection surface 30.

Landscapes

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

Abstract

L'invention concerne un dispositif (10) pour générer des répartitions (20) de lumière pour des phares (40) pour un véhicule (50), présentant un module lumineux (11), le module lumineux (11) étant conçu pour émettre de la lumière pour la répartition de la lumière (20) dans essentiellement une direction de rayonnement (22) et la répartition de la lumière (20) présentant plusieurs zones d'illumination (23), des zones de projection (31) étant en outre obtenues lors d'une projection des zones d'illumination (23) sur un plan de projection (30), qui forme un angle supérieur à 90°C avec la direction de rayonnement (22), une zone de projection (31) étant à chaque fois illuminée par la lumière provenant à chaque fois d'une zone d'illumination (23). L'invention concerne en outre un phare (40) pour un véhicule (50), présentant un dispositif (10) pour générer des répartitions de lumière (20).
PCT/EP2016/062372 2015-06-19 2016-06-01 Dispositif pour générer des répartitions de lumière pour les phares d'un véhicule ainsi que phare pour un véhicule WO2016202589A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015109837.7 2015-06-19
DE102015109837.7A DE102015109837A1 (de) 2015-06-19 2015-06-19 Vorrichtung zum Erzeugen von Lichtverteilungen für Scheinwerfer für ein Fahrzeug sowie Scheinwerfer für ein Fahrzeug

Publications (1)

Publication Number Publication Date
WO2016202589A1 true WO2016202589A1 (fr) 2016-12-22

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PCT/EP2016/062372 WO2016202589A1 (fr) 2015-06-19 2016-06-01 Dispositif pour générer des répartitions de lumière pour les phares d'un véhicule ainsi que phare pour un véhicule

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DE (1) DE102015109837A1 (fr)
WO (1) WO2016202589A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN112238804A (zh) * 2020-09-09 2021-01-19 华人运通(上海)云计算科技有限公司 车灯控制方法、装置、设备及车辆

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CN109899764A (zh) * 2017-12-07 2019-06-18 斯坦雷电气株式会社 车辆用灯具系统
JP7281254B2 (ja) * 2018-07-24 2023-05-25 スタンレー電気株式会社 車両用灯具

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Publication number Priority date Publication date Assignee Title
EP1334869A2 (fr) * 2002-02-07 2003-08-13 Toyota Jidosha Kabushiki Kaisha Appareil et système d'aide à la gestion d'un véhicule
JP2010095048A (ja) * 2008-10-14 2010-04-30 Toyota Central R&D Labs Inc 車両用照明装置
DE102009009472A1 (de) * 2009-02-19 2010-08-26 Volkswagen Ag Verfahren zum Unterstützen eines Fahrers eines Fahrzeugs und Fahrerassistenzsystem für ein Fahrzeug
DE102012008833A1 (de) * 2012-04-28 2012-11-15 Daimler Ag Beleuchtungsanordnung und Fahrzeugscheinwerfer
EP2689966A1 (fr) * 2012-07-26 2014-01-29 Cloudcar, Inc. Projection de contenu de véhicule
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DE102013104276A1 (de) 2013-04-26 2014-10-30 Hella Kgaa Hueck & Co. Verfahren für die Anpassung wenigstens eines Ausleuchtparameters in einem lokalen Ausleuchtabschnitt eines Ausleuchtbereichs
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FR3008477A1 (fr) * 2013-07-10 2015-01-16 Koito Mfg Co Ltd Lampe pour vehicule
WO2015032795A2 (fr) * 2013-09-03 2015-03-12 Jaguar Land Rover Limited Système d'imagerie
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Publication number Priority date Publication date Assignee Title
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CN112238804B (zh) * 2020-09-09 2022-03-29 华人运通(上海)云计算科技有限公司 车灯控制方法、装置、设备及车辆

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