DE10300771A1 - Motor vehicle headlights adjustable to assist a driver when approaching a crossroad or the entry to another road involving a change of direction, employ control unit instructed by navigation system - Google Patents

Motor vehicle headlights adjustable to assist a driver when approaching a crossroad or the entry to another road involving a change of direction, employ control unit instructed by navigation system

Info

Publication number
DE10300771A1
DE10300771A1 DE2003100771 DE10300771A DE10300771A1 DE 10300771 A1 DE10300771 A1 DE 10300771A1 DE 2003100771 DE2003100771 DE 2003100771 DE 10300771 A DE10300771 A DE 10300771A DE 10300771 A1 DE10300771 A1 DE 10300771A1
Authority
DE
Germany
Prior art keywords
intersection
motor vehicle
lamps
approaching
junction
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.)
Withdrawn
Application number
DE2003100771
Other languages
German (de)
Inventor
Christoph Kenn
Alejandro Vukotich
Jürgen WULF
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.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Priority to DE2003100771 priority Critical patent/DE10300771A1/en
Publication of DE10300771A1 publication Critical patent/DE10300771A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangements or adaptations of optical signalling or lighting devices
    • B60Q1/02Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04Arrangements or adaptations of optical signalling or lighting devices the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/06Arrangements or adaptations of optical signalling or lighting devices 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
    • B60Q1/08Arrangements or adaptations of optical signalling or lighting devices 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
    • B60Q1/085Arrangements or adaptations of optical signalling or lighting devices 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05Special features for controlling or switching of the light beam
    • B60Q2300/054Variable non-standard intensity, i.e. emission of various beam intensities different from standard intensities, e.g. continuous or stepped transitions of intensity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10Indexing codes relating to particular vehicle conditions
    • B60Q2300/11Linear movements of the vehicle
    • B60Q2300/112Vehicle speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/30Indexing codes relating to the vehicle environment
    • B60Q2300/33Driving situation
    • B60Q2300/336Crossings

Abstract

Vehicle headlamps (2) are equipped with lamps to provide a dipped beam (5), a main beam (6), etc. The invention proposes that a lamp control unit (3) is provided linked by a data bus (9) to a GPS navigation equipment (4). When the navigation system senses that the vehicle is approaching a crossroad or the entry to another road it informs the control unit which then directs the beam in use to illuminate those areas.

Description

  • The invention relates to a motor vehicle with at least one headlight with at least one, preferably several lamps to produce one emitted by the headlight Cone of light and a means of detecting approaching one Lane crossing or junction, with conventional Motor vehicles with headlights has the problem that the Cone of light of the headlights is practically always constant and no adjustment possible due to the special features of the road is. Crossings and junctions are particularly critical, because often in these places other vehicles, pedestrians or Cyclists are overlooked especially in poor visibility.
  • In the DE 101 39 152 A1 proposes a vehicle headlight system in which the light cone generated by the headlights is rotated when turning at an intersection in order to better illuminate the area in front of the vehicle. However, if the vehicle crosses the intersection straight ahead, there is no change in the headlight light, so that the intersection is insufficiently illuminated.
  • The invention is therefore the problem based on avoiding the disadvantages mentioned and a motor vehicle to create with at least one headlight through which the roadway better illuminated in the area of an intersection or junction becomes.
  • To solve this problem is at a motor vehicle of the type mentioned initially provided according to the invention, that the emitted light cone of the headlamp is controlled by a control unit approached so changeable at the intersection or junction is that at least part of the intersection or confluence area wide-ranging is illuminated.
  • This way the whole Crossing or junction area including the cross street wide-ranging be illuminated, even if the crossing crosses without turning becomes. About that In addition, the headlight of the vehicle according to the invention has the advantage that the lamps are controlled completely automatically without the driver must intervene.
  • The control can be used as a separate control unit be formed, alternatively, it can also in the housing of the Headlights to be arranged. The right and the left front headlights controlled by the controller.
  • It can be provided that at the motor vehicle according to the invention one or more lamps by the control when approaching detected an intersection or junction can be switched on. Alternatively, you can Additional lights can be turned on when the vehicle is at an intersection approaches. It is also possible, the so-called cornering lights, which are primarily used to improve lighting of the inside of the curve are provided when approaching an intersection or junction turn. Be expedient when approaching at an intersection on the left and on the right several lamps switched on as additional lighting. However, it is also possible, when approaching at a confluence only switch on lamps on the side on which the junction lies.
  • According to a development of the invention in the motor vehicle according to the invention be provided that one or more lamps and / or the vehicle headlights by the control when detected approaching an intersection or junction outward are pivotable. The one in the body of the vehicle headlight arranged lamps can individually preferably be pivotable with their reflectors, it is however also possible that the entire headlight with its housing can be pivoted around the to change the generated light cone. Both options can can also be combined.
  • Preferably, the Vehicle headlights of the motor vehicle according to the invention the lamps for the Swivel the driving or dipped headlights. However, it is also conceivable that the lamps of the mentioned Curve lights are pivoted outwards by a certain angle, so that the light cone is widened significantly. In this way a cone of light can be generated in front of the vehicle that essentially has the shape of an ellipse, the long axis of which is approximately parallel to the front edge of the vehicle lies.
  • An even better illumination of the Junction or confluence area let yourself in the motor vehicle according to the invention achieve when the light intensity one or more lamps can be enlarged by the control. So there is in addition to pivoting lamps or the whole Headlights in the raise the light intensity one more way, to influence the generated light cone. The use of a higher light intensity offers when the vehicle is at a particularly large intersection or confluence area approaches, because of an increased luminous intensity an enlarged cone of light can be generated.
  • According to an advantageous development of the invention, it can be provided that the start of the change in the light cone can be determined by the control as a function of the vehicle speed. At a low driving speed It is sufficient to change the light cone only a short time before reaching the intersection or junction, because the driver has enough time to visually assess the road situation due to the low speed. If, on the other hand, the vehicle is approaching at a high driving speed, the change in the light cone begins at an earlier point in time, so that the driver can grasp the situation at an early stage and, if necessary, undertake driving maneuvers to avoid a danger.
  • For the driver of the motor vehicle according to the invention it is particularly pleasant when the transition between the state the headlights or the lamps in front of the intersection or junction and the state in the intersection or junction area by the control can be controlled continuously or step by step. In this way it is avoided that the driver and possibly other road users by a sudden Switch on or off be irritated. In the headlight of the motor vehicle according to the invention can the individual lamps are dimmed continuously, so that the increase and Reduce the luminosity looks very harmonious.
  • The vehicle according to the invention can be special can be easily realized when the means of detecting approaching an intersection or junction a navigation device and / or a GPS receiver includes. Such a navigation system is already in many Vehicles exist so that the information about intersections and junctions along the route by a signal to those with the vehicle headlights connected control transmitted can be without the need for additional components. Alternatively or additionally the means for detecting the approach an intersection or junction comprise a camera with an evaluation circuit. The camera creates an image of the area in front of the vehicle, which is then one Evaluation circuit or device is supplied. If one on the Intersection or junction has been determined, the headlight is controlled accordingly by the control, so the intersection or confluence area is illuminated.
  • With particular advantage can Motor vehicle according to the invention be provided that the headlights or lamps by the Control after entering the intersection or junction area can be brought into the initial state. In this way, the Control of the headlights and lamps completely automatically, without the driver having to intervene. When approaching an intersection the lamps and, if applicable, the headlight (s) automatically controlled so that the intersection area is optimally illuminated. After crossing The lamps and, if applicable, the headlight (s) will be at the intersection brought back to the initial state, that is the light intensity reduced, if necessary lamps or the entire headlight pivoted back towards the center of the lane or individual Lamps or additional lamps are switched off.
  • Other advantages and details the invention result from the exemplary embodiment described below and based on the drawings. Show:
  • 1 the front area of a motor vehicle according to the invention with a vehicle headlight in a schematic side view; and
  • 2 the change in the light cone generated by the motor vehicle according to the invention when driving through an intersection.
  • 1 shows a sectional side view of the front area of a motor vehicle 1 with a headlight 2 with a controller 3 connected to a navigation system 4 connected. It goes without saying that the in 1 Left front headlights not visible to the control 3 connected. The control 3 is designed as a separate control unit that is arranged in the engine compartment. Alternatively, the control can also be arranged in the housing of the left or right headlight. The headlight 2 consists of a housing and several lamps for the driving and low beam 5 , High beam 6 , and flashing light 7 , In addition, the headlight has 2 a cornering light 8th which is switched on when the driver operates the turn signal so that the interior of the curve is illuminated. Each of the lamps 5 . 6 . 7 . 8th has a light bulb or a gas discharge lamp as illuminant and a reflector. It is also possible to use light-emitting diodes (LEDs) instead of the above-mentioned lamps for some or all lamps.
  • The in 1 shown structure of the headlight 2 is to be understood only schematically, the headlight can contain further lamps or light-emitting diodes or the arrangement of the individual lamps can vary from the representation in 1 differ. The lamps 5 . 6 . 7 . 8th are pivotable with their reflectors via an electric drive, not shown. It is also possible for some of the lamps to be pivotable and for the others to be rigid. By swiveling the lamps with their reflectors, the generated light cone can be adapted to the respective driving situation. For this purpose, the headlight lamps can be moved laterally as well as vertically. In addition, the luminosity, that is, the intensity of the light, of each lamp can be controlled. It is not necessary that the lamps 5 . 6 . 7 . 8th be pivoted simultaneously, rather let certain changes in the light cone can also be achieved by moving or pivoting individual lamps differently.
  • The front headlights receive the necessary control commands 2 from the controller 3 , To the control 3 is also the in 1 Opposite headlights, not shown, are connected, but both headlights are not necessarily operated in the same way. If the vehicle drives past a one-sided junction, it is sufficient to illuminate only this side over a wide area. The setting of the opposite headlight can remain unchanged.
  • The control 3 is connected to the navigation system 4 connected. It is a conventional navigation system that is equipped with a GPS receiver and a digital road map. As a result, the current location of the vehicle can be determined precisely at any time. Likewise, it is possible to determine the distance and the remaining travel time to intersections and junctions in advance on the basis of the known direction of travel, the road map and the speed.
  • The control 3 can with the navigation system 4 as in 1 represented via a data line 9 connected, for this purpose the CAN bus or another data bus of the vehicle can alternatively be used.
  • 2 shows in a schematic plan view in several steps the change of the lamps of the vehicle 1 generated light cone when approaching and crossing an intersection. That in the lower part of 2 shown vehicle 1 is initially at a certain distance from the intersection. In this state, the so-called "asymmetrical low beam" is switched on. The area in front of the vehicle is illuminated much more strongly than the area on the opposite lane. This prevents oncoming traffic from being dazzled. However, this light setting has the disadvantage that it is also retained in the intersection area, so that in particular the area of the oncoming lane is insufficiently illuminated.
  • Via the navigation system 4 gets control 3 the information that the vehicle is 1 an intersection 10 approaches. If the vehicle 1 only a certain distance from the intersection 10 the controller changes 3 the adjustment of the headlight 2 to the area in front of the vehicle 1 to illuminate better. The distance from which the changed lighting begins depends primarily on the speed of the vehicle. It can also be provided that this distance can be set by the user. The emitted light cone of the headlights is controlled by the control when approaching the intersection 10 changed in such a way that at least part of the intersection or junction area is illuminated over a wide area. To do this, the lamp 8th switched on for the cornering light, as well as the lamp 6 for the high beam, the lamp 6 of the high beam, however, so that oncoming traffic is not dazzled. In order to be able to illuminate a larger area, the light intensity of the lamp is also 5 increased for the headlights.
  • As in 2 can be seen in this way, a significantly enlarged light cone 11 generated that illuminates the entire relevant intersection area. This ensures that the driver already recognizes from a distance any poorly lit vehicles, pedestrians or cyclists that he might otherwise only have noticed or overlooked much later. The transition between the normal light cone 12 and the light cone 11 in the intersection area is carried out continuously by dimming the lamps. However, it is also possible for the transition to take place gradually in several stages.
  • After entering the intersection, the lighting is switched off by the control system 3 returned to the initial state, the reverse process taking place as when approaching the intersection. The lamps that are no longer required 8th for the cornering light and the lamp 6 for the high beam are switched off and the light intensity of the lamp 5 for the driving lights is reduced to the normal value. These adjustment processes run automatically, without the driver having to intervene in any way. The shape of the light cone 13 of the vehicle 1 behind the intersection 10 corresponds to the shape of the light cone 12 before the intersection 10 ,

Claims (9)

  1. Motor vehicle with at least one headlamp with at least one, preferably a plurality of lamps for generating a light cone emitted by the headlamp and a means for detecting the approach to an intersection or junction, characterized in that the emitted light cone of the headlamp ( 2 ) by a controller ( 3 ) when approaching the lane crossing ( 10 ) or road junction can be changed such that at least part of the intersection or junction area is illuminated over a wide area.
  2. Motor vehicle according to claim 1, characterized in that one or more lamps ( 5 . 6 . 7 . 8th ) by the controller ( 3 ) when approaching an intersection ( 10 ) or mouth can be switched on.
  3. Motor vehicle according to claim 1 or 2, characterized in that one or more lamps ( 5 . 6 . 7 . 8th ) and / or the vehicle headlight ( 2 ) by the controller ( 3 ) when approaching an intersection ( 10 ) or confluence with the outside are pivotable.
  4. Motor vehicle according to one of the preceding claims, characterized in that the light intensity of one or more lamps ( 5 . 6 . 7 . 8th ) by the controller ( 3 ) when approaching an intersection ( 10 ) or confluence can be enlarged.
  5. Motor vehicle according to one of the preceding claims, characterized in that the start of the change in the light cone ( 12 ) can be determined by the control depending on the vehicle speed.
  6. Motor vehicle according to one of the preceding claims, characterized in that the transition between the state of the lamps ( 5 . 6 . 7 . 8th ) before the intersection ( 10 ) or junction and the state in the intersection or junction area by the controller ( 3 ) can be controlled continuously or step by step.
  7. Motor vehicle according to one of the preceding claims, characterized characterized that the means for detecting the approaching an intersection or junction a navigation device and / or a GPS receiver includes.
  8. Motor vehicle according to one of the preceding claims, characterized characterized that the means for detecting the approaching an intersection or junction comprises a camera and an evaluation circuit.
  9. Motor vehicle according to one of the preceding claims, characterized in that the lamps ( 5 . 6 . 7 . 8th ) by the controller ( 3 ) can be brought back to the initial state after driving through the intersection or junction area.
DE2003100771 2003-01-11 2003-01-11 Motor vehicle headlights adjustable to assist a driver when approaching a crossroad or the entry to another road involving a change of direction, employ control unit instructed by navigation system Withdrawn DE10300771A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2003100771 DE10300771A1 (en) 2003-01-11 2003-01-11 Motor vehicle headlights adjustable to assist a driver when approaching a crossroad or the entry to another road involving a change of direction, employ control unit instructed by navigation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003100771 DE10300771A1 (en) 2003-01-11 2003-01-11 Motor vehicle headlights adjustable to assist a driver when approaching a crossroad or the entry to another road involving a change of direction, employ control unit instructed by navigation system

Publications (1)

Publication Number Publication Date
DE10300771A1 true DE10300771A1 (en) 2004-05-27

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DE2003100771 Withdrawn DE10300771A1 (en) 2003-01-11 2003-01-11 Motor vehicle headlights adjustable to assist a driver when approaching a crossroad or the entry to another road involving a change of direction, employ control unit instructed by navigation system

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2921601A3 (en) * 2007-10-02 2009-04-03 Renault Sas Light e.g. riding light, controlling device for e.g. car, has logic controller communicating with control device for controlling lights of motor vehicle, where control device automatically triggers light flash emitted by other vehicle
EP2181891A2 (en) 2008-10-30 2010-05-05 Hella KG Hueck & Co. Method and device for adjusting curve lighting headlights, particularly when driving through crossroads or confluences
WO2010112303A1 (en) * 2009-04-01 2010-10-07 Robert Bosch Gmbh Method and device for illuminating lateral road regions
WO2012034848A1 (en) * 2010-09-13 2012-03-22 Robert Bosch Gmbh Device and method for adjusting the lighting of a vehicle in blind curves
US9162611B2 (en) 2012-01-03 2015-10-20 J.W. Speaker, Corporation Solid state steerable light
EP2957461A1 (en) * 2014-06-20 2015-12-23 Audi Ag Motor vehicle and method for providing a static intersection light
US9505341B2 (en) 2013-08-14 2016-11-29 GM Global Technology Operations LLC Motor vehicle headlamp
US9522628B2 (en) 2014-05-20 2016-12-20 Ford Global Technologies, Llc Headlight assembly with static bending lights
DE102017001621A1 (en) 2017-02-18 2017-11-30 Daimler Ag Method for operating an assistance system of a vehicle
US10023103B2 (en) 2013-09-13 2018-07-17 J.W. Speaker, Corporation Systems and methods for illumination control and distribution during a vehicle bank

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19756574A1 (en) * 1996-12-18 1998-10-08 Koito Mfg Co Ltd Lighting unit for a vehicle
DE19755406C2 (en) * 1996-12-13 2001-07-05 Koito Mfg Co Ltd Lighting device for a vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755406C2 (en) * 1996-12-13 2001-07-05 Koito Mfg Co Ltd Lighting device for a vehicle
DE19756574A1 (en) * 1996-12-18 1998-10-08 Koito Mfg Co Ltd Lighting unit for a vehicle

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2921601A3 (en) * 2007-10-02 2009-04-03 Renault Sas Light e.g. riding light, controlling device for e.g. car, has logic controller communicating with control device for controlling lights of motor vehicle, where control device automatically triggers light flash emitted by other vehicle
EP2181891A2 (en) 2008-10-30 2010-05-05 Hella KG Hueck & Co. Method and device for adjusting curve lighting headlights, particularly when driving through crossroads or confluences
DE102008054005A1 (en) 2008-10-30 2010-05-06 Hella Kgaa Hueck & Co. Method and device for adjusting bend headlights, in particular when crossing intersections or junctions
CN102365190A (en) * 2009-04-01 2012-02-29 罗伯特·博世有限公司 Method and device for illuminating lateral road regions
US8721144B2 (en) 2009-04-01 2014-05-13 Robert Bosch Gmbh Method and device for illuminating roadsides
WO2010112303A1 (en) * 2009-04-01 2010-10-07 Robert Bosch Gmbh Method and device for illuminating lateral road regions
CN103097196A (en) * 2010-09-13 2013-05-08 罗伯特·博世有限公司 Device and method for adjusting the lighting of a vehicle in blind curves
WO2012034848A1 (en) * 2010-09-13 2012-03-22 Robert Bosch Gmbh Device and method for adjusting the lighting of a vehicle in blind curves
US9227553B2 (en) 2010-09-13 2016-01-05 Robert Bosch Gmbh Device and method for adjusting the lighting of a vehicle in blind curves
US9162611B2 (en) 2012-01-03 2015-10-20 J.W. Speaker, Corporation Solid state steerable light
US9505341B2 (en) 2013-08-14 2016-11-29 GM Global Technology Operations LLC Motor vehicle headlamp
US10023103B2 (en) 2013-09-13 2018-07-17 J.W. Speaker, Corporation Systems and methods for illumination control and distribution during a vehicle bank
US10676018B2 (en) 2013-09-13 2020-06-09 J.W. Speaker, Corporation Systems and methods for illumination control and distribution during a vehicle bank
US9522628B2 (en) 2014-05-20 2016-12-20 Ford Global Technologies, Llc Headlight assembly with static bending lights
RU2674367C2 (en) * 2014-05-20 2018-12-07 ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи Headlight assembly with static bending lights
DE102014009252A1 (en) * 2014-06-20 2015-12-24 Audi Ag Motor vehicle and method for providing a static crossing light
EP2957461A1 (en) * 2014-06-20 2015-12-23 Audi Ag Motor vehicle and method for providing a static intersection light
DE102017001621A1 (en) 2017-02-18 2017-11-30 Daimler Ag Method for operating an assistance system of a vehicle

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