DE19738713A1 - Lighting device for cars - Google Patents

Lighting device for cars

Info

Publication number
DE19738713A1
DE19738713A1 DE19738713A DE19738713A DE19738713A1 DE 19738713 A1 DE19738713 A1 DE 19738713A1 DE 19738713 A DE19738713 A DE 19738713A DE 19738713 A DE19738713 A DE 19738713A DE 19738713 A1 DE19738713 A1 DE 19738713A1
Authority
DE
Germany
Prior art keywords
light source
database
lighting device
control unit
vehicle
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Withdrawn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
DE19738713A
Other languages
German (de)
Inventor
Guenter Krause
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to DE19738713A priority Critical patent/DE19738713A1/en
Publication of DE19738713A1 publication Critical patent/DE19738713A1/en
Withdrawn legal-status Critical Current

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
    • B60Q1/24—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 for lighting other areas than only the way ahead
    • B60Q1/247—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 for lighting other areas than only the way ahead for illuminating the close surroundings of the vehicle, e.g. to facilitate entry or exit
    • 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
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/40—Indexing codes relating to other road users or special conditions
    • B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers

Abstract

It activates and aims light source according to data retrieved from database when passing object is to be illuminated A lighting device for a car comprises: a database from which at least street and object data can be retrieved; a system for determining the car's position and travel direction; a light source(10) that can be aimed by an adjusting unit; and a control unit which is connected to the database, the system and the adjusting unit. The control unit delivers signals to the adjusting unit for aiming the light source and activates or deactivates the light source. It activates the light source on consideration of the car's position and travel direction by evaluating the data from the database when an object to be illuminated is passed and aims the light source so that the object is struck by the light beam(12).

Description

Die Erfindung betrifft eine Beleuchtungsvorrichtung für ein Fahrzeug gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a lighting device for a vehicle according to the preamble of claim 1.

Gerade bei Dunkelheit ist es für einen ortsunkundigen Fahrer oft schwer, die Beschilderung an oder über einer Straße oder andere verkehrsrelevante Objekte rechtzeitig zu erkennen bzw. deren Informationen aufzunehmen.Especially in the dark it is often difficult for a driver unfamiliar with the location Signage on or over a street or other traffic-related Recognize objects in good time or record their information.

Das Problem tritt verstärkt bei höheren Geschwindigkeiten auf, da dann die Reaktions- und Erfassungszeit des Fahrers kürzer ist. Besonders wenn die normale Fahrzeugbeleuchtung ein Objekt in der Dunkelheit nicht mehr er­ reicht, wie dies beispielsweise bei Beschilderungen an Fahrbahnbrücken oder bei sonstigen in erhöhter Position angeordneten Schildern und Objek­ ten der Fall ist, kann ein Fahrer die für ihn gedachte Information nicht mehr aufnehmen.The problem becomes more pronounced at higher speeds because then the Response and detection time of the driver is shorter. Especially when the normal vehicle lighting no longer an object in the dark is sufficient, as is the case, for example, with signs on road bridges or with other signs and objects arranged in an elevated position If this is the case, a driver can no longer use the information intended for him take up.

Aufgabe der Erfindung ist es daher, eine Vorrichtung zur ausreichenden Sichtbarmachung von Objekten, insbesondere Beschilderungen, auch bei Dunkelheit anzugeben. The object of the invention is therefore to provide a device for sufficient Visualization of objects, especially signage, also at Indicate darkness.  

Diese Aufgabe wird durch die im Anspruch 1 genannten Merkmale gelöst.This object is achieved by the features mentioned in claim 1.

Demgemäß aktiviert eine Steuereinheit eine Lichtquelle dann, wenn ein zu beleuchtendes Objekt kassiert wird. Ferner richtet die Steuereinheit den von einer Lichtquelle erzeugten Lichtstrahl auf das zu beleuchtende Objekt aus. Dazu werden die Daten aus der Datenbasis, welche zumindest Straßen- und/oder Objektdaten enthalten sowie die Fahrzeugposition und Fahrtrich­ tungsdaten ausgewertet. Entsprechend der darin enthaltenen Information reagiert die Steuereinheit.Accordingly, a control unit activates a light source when one is closed illuminating object is collected. Furthermore, the control unit directs the a light source generated light beam on the object to be illuminated. For this purpose, the data from the database, which are at least street and / or Contain object data as well as the vehicle position and driving lane evaluated. According to the information contained therein the control unit reacts.

Durch die erfindungsgemäße Beleuchtungsvorrichtung ist sichergestellt, daß bei Dunkelheit ansonsten nicht erkennbare Objekte, wie beispielsweise er­ höht angeordnete Hinweisschilder, vom Fahrer aufgenommen werden kön­ nen. Ferner wird die Aufmerksamkeit des Fahrer durch den Lichtstrahl in die Richtung des zu erfassenden Objektes gelenkt, so daß er sich auf diese bestimmte Stelle konzentrieren kann. Ferner ist die Infarmationserfassungs­ zeit für den Fahrer größer, so daß er auch bei größerer Geschwindigkeit eine Information länger und besser aufnehmen kann.The lighting device according to the invention ensures that objects that are otherwise not recognizable in the dark, such as him high-level signs that can be picked up by the driver nen. Furthermore, the driver's attention is drawn by the light beam into the Directed the direction of the object to be detected, so that it is on this can focus on a specific spot. Furthermore, the information collection is time for the driver to be larger so that he can drive at higher speeds can hold information longer and better.

Eine vorteilhafte Ausführung der Erfindung ist dadurch gekennzeichnet, daß der Lichtstrahl dem Objekt beim Passieren nachgeführt wird. Der erzeugte Lichtkegel hat nämlich immer nur eine bestimmte Größe, so daß bei einem schnellen Passieren das zu beleuchtende Objekt trotz der zusätzlichen Be­ leuchtung nicht allzulange sichtbar bleibt. Durch die Nachführung des Licht­ strahls ist der Zeitraum, in dem die Information aufgenommen werden kann, länger.An advantageous embodiment of the invention is characterized in that the light beam tracks the object as it passes. The generated one Cone of light has only a certain size, so that one quickly pass the object to be illuminated despite the additional lighting lighting does not remain visible for too long. By tracking the light is the period in which the information can be recorded, longer.

Ferner ist es von Vorteil, wenn die Lichtquelle bereits vor Erreichen eines zu beleuchtenden Objektes und/oder einige Zeit nach Passieren des Objektes aktiviert ist. Diese Maßnahme trägt der Tatsache Rechnung, daß zum einen die Fahrzeugposition eines Fahrzeugs gerade bei größeren Geschwindigkei­ ten nur in bestimmten Ungenauigkeitsbereichen angegeben werden kann. Es ist jedoch zu vermeiden, daß die Lichtquelle bereits vor Erreichen des Objektes wieder abgeschaltet bzw. erst nach Erreichen des Objektes akti­ viert wird.Furthermore, it is advantageous if the light source is already closed before reaching one illuminating object and / or some time after passing the object is activated. This measure takes account of the fact that, on the one hand  the vehicle position of a vehicle, especially at higher speeds can only be specified in certain areas of inaccuracy. However, it is to be avoided that the light source is reached before the Object switched off again or activated only after reaching the object fourth.

Die Daten der Datenbasis können vorzugsweise von einer Straßendatenba­ sis, insbesondere von einer digitalen Straßenkarte, und/oder von einem GPS-System (global positioning system, satellitengestützten System) und/oder von einem Fahrzeug-Kommunikationssystem oder einem Fahr­ zeug-Sensarsystem und/oder einer speziellen Datenbank stammen. We­ sentlich ist lediglich, daß Informationen über die Straße bzw. ein zu erfas­ sendes Objekt vorliegen.The data of the database can preferably be from a road database sis, in particular from a digital road map, and / or from one GPS system (global positioning system, satellite-based system) and / or from a vehicle communication system or a vehicle tool sensor system and / or a special database. We It is only essential that information about the street or a to be acquired sending object.

Die vorliegende Erfindung wird anhand eines Beispiels mit Bezug auf die beiliegende Zeichnung näher erläutert. In der einzigen Zeichnung ist eine perspektivische Ansicht eines nur umrißhaft dargestellten Fahrzeugs 8 (ohne Reifen) gezeigt.The present invention is explained in more detail using an example with reference to the accompanying drawings. The only drawing shows a perspective view of a vehicle 8 (without tires) which is only shown in outline.

Im Dachbereich des Fahrzeugs 8 ist eine längliche, im wesentlichen quer zur Fahrtrichtung angeordnete Lichtquelle 10 vorgesehen. Diese Lichtquelle 10 ist ausrichtbar angeordnet und von einer (nicht dargestellten) Stelleinheit beaufschlagt. Diese Stelleinheit wird von einer Steuereinheit (ebenfalls nicht dargestellt) mit Steuersignalen versorgt, und entsprechend diesen Steuersi­ gnalen wird die Lichtquelle 10 ausgerichtet.In the roof area of the vehicle 8 , an elongated light source 10 is provided which is arranged essentially transversely to the direction of travel. This light source 10 is arranged such that it can be aligned and acted upon by an actuating unit (not shown). This actuating unit is supplied with control signals by a control unit (likewise not shown), and the light source 10 is aligned in accordance with these control signals.

Die Steuereinheit wertet die Fahrzeugposition sowie die Fahrtrichtung und auch Objektdaten und/oder Straßendaten aus und stellt unter Berücksichti­ gung dieser Informationen fest, wann und in welcher Weise die Lichtquelle 10 aktiviert bzw. ausgerichtet sein muß, um ein zu beleuchtendes Objekt anzustrahlen. The control unit evaluates the vehicle position and the direction of travel and also object data and / or road data and, taking this information into account, determines when and in what way the light source 10 must be activated or aligned in order to illuminate an object to be illuminated.

Kommt ein solches Objekt in den Erfassungsbereich des von der Lichtquelle erzeugten Lichtstrahls 12, so wird die Lichtquelle aktiviert, und der auf das Objekt ausgerichtete Lichtstrahl erleuchtet dieses.If such an object comes into the detection range of the light beam 12 generated by the light source, the light source is activated and the light beam aligned with the object illuminates it.

Soweit es im Stellbereich der Lichtquelle 10 möglich ist, wird der Lichtstrahl 12 beim Passieren des Objektes diesem nachgeführt. Zur Ausschaltung von Positionsunsicherheiten des Fahrzeugs wird die Lichtquelle 10 eingeschal­ tet, bevor der Erfassungsbereich erreicht ist. Damit bekommt der Fahrer Aufschluß, in welcher Blickrichtung eine Objektinfarmation kommen wird. Die Lichtquelle wird dann kurze Zeit nach Passieren des Objektes wieder deak­ tiviert.Insofar as it is possible in the adjustment range of the light source 10 , the light beam 12 is tracked when it passes the object. To eliminate positional uncertainties of the vehicle, the light source 10 is switched on before the detection range is reached. This gives the driver information about the direction in which an object information will come. The light source is then deactivated again a short time after passing the object.

Der Lichtkegel der Lichtquelle 10 ist vorzugsweise so ausgebildet, daß auch größere Beschilderungen im Autobahnbereich nach gut ausgeleuchtet wer­ den können.The light cone of the light source 10 is preferably designed so that even larger signage in the freeway area can be well lit who can.

Natürlich kann die Lichtquelle 10 alternativ zum vorliegenden Ausführungs­ beispiel auch in anderen Bereichen des Fahrzeugs plaziert werden.Of course, as an alternative to the present embodiment, the light source 10 can also be placed in other areas of the vehicle, for example.

Wesentlich für die Erfindung ist, daß ein Objekt bei Dunkelheit zu beleuch­ ten ist, so daß der Fahrer die von diesem Objekt ausgehenden Informatio­ nen ohne Schwierigkeiten aufnehmen kann.It is essential for the invention that an object be illuminated in the dark ten is so that the driver the information from this object can record without difficulty.

Claims (6)

1. Beleuchtungsvorrichtung für ein Fahrzeug umfassend
  • - eine Datenbasis, aus der zumindest Straßen- und Objektdaten ent­ nehmbar sind,
  • - ein System zur Erfassung der Fahrzeugposition und der Fahrtrich­ tung,
  • - eine mittels einer Stelleinheit ausrichtbare Lichtquelle und
  • - eine Steuereinheit, welche mit der Datenbasis, dem System zur Er­ fassung der Fahrzeugposition und der Fahrtrichtung und der Stellein­ heit verbunden ist, der Stelleinheit Signale zur Ausrichtung der Licht­ quelle liefert und die Lichtquelle aktiviert oder deaktiviert, dadurch gekennzeichnet, daß die Steuereinheit unter Berücksichtigung der Fahrzeugposition und der Fahrtrichtung sowie unter Auswertung der Daten aus der Datenbasis die Lichtquelle dann aktiviert, wenn ein zu beleuchtendes Objekt passiert wird, und derart ausrichtet, daß das Objekt vom Lichtstrahl getroffen wird.
1. A lighting device for a vehicle comprising
  • a database from which at least street and object data can be extracted,
  • - a system for detecting the vehicle position and the direction of travel,
  • - A light source that can be aligned by means of an actuating unit and
  • - A control unit which is connected to the database, the system for detecting the vehicle position and the direction of travel and the actuating unit, which supplies the actuating unit with signals for aligning the light source and activates or deactivates the light source, characterized in that the control unit takes into account the vehicle position and the direction of travel as well as evaluating the data from the database, the light source is activated when an object to be illuminated is passed through and aligned in such a way that the object is struck by the light beam.
2. Beleuchtungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Steuereinheit ausgebildet ist, den von der Lichtquelle erzeug­ ten Lichtstrahl dem Objekt nachzuführen.2. Lighting device according to claim 1, characterized, that the control unit is designed to generate the light source tracking the light beam to the object. 3. Beleuchtungsvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Steuereinheit die Lichtquelle bereits vor Erreichen des Objek­ tes aktiviert und/oder einige Zeit nach Passieren des Objektes deak­ tiviert.3. Lighting device according to claim 1 or 2, characterized, that the control unit the light source before reaching the object activated and / or deak some time after passing the object activated. 4. Beleuchtungsvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Lichtquelle ausgebildet ist, um einen Lichtkegel mit einer für die Objektbeleuchtung ausreichenden Größe zu erzeugen.4. Lighting device according to one of claims 1 to 3, characterized, that the light source is designed to a light cone with a for to generate object lighting of sufficient size. 5. Beleuchtungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Lichtquelle in einem Dachbereich des Fahrzeugs angeordnet ist.5. Lighting device according to one of the preceding claims, characterized, that the light source is arranged in a roof area of the vehicle is. 6. Beleuchtungsvorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Daten der Datenbasis von einer Straßendatenbasis und/oder von einem GPS-System (Satelliten-System) und/oder von einem Fahr­ zeug-Kommunikationssystem und/oder einem Fahrzeug-Sensor­ system und/oder einer speziellen Datenbank stammen.6. Lighting device according to one of the preceding claims, characterized, that the data of the database from a road database and / or from a GPS system (satellite system) and / or from a driving tool communication system and / or a vehicle sensor system and / or a special database.
DE19738713A 1997-09-04 1997-09-04 Lighting device for cars Withdrawn DE19738713A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19738713A DE19738713A1 (en) 1997-09-04 1997-09-04 Lighting device for cars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19738713A DE19738713A1 (en) 1997-09-04 1997-09-04 Lighting device for cars

Publications (1)

Publication Number Publication Date
DE19738713A1 true DE19738713A1 (en) 1999-03-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2797614A1 (en) * 1999-08-19 2001-02-23 Peugeot Citroen Automobiles Sa Light assembly for car comprises control unit which controls the prisms orientation and light distribution to obtain different light beams depending on e.g. climatic conditions, traffic and route followed
DE10060734A1 (en) * 2000-12-07 2002-06-13 Opel Adam Ag Spotlight on vehicle, for illumination of roadside traffic sign, is connected to camera which recognizes sign and control system keeping spotlight centered on sign
DE102015008729A1 (en) * 2015-07-07 2017-01-12 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Motor vehicle headlight assembly, vehicle headlight system, motor vehicle and method for operating a motor vehicle

Citations (12)

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Publication number Priority date Publication date Assignee Title
US4779168A (en) * 1987-11-24 1988-10-18 Jon Montgomery Land vehicle remotely controlled movable light system
DE4122531A1 (en) * 1991-07-08 1993-01-14 Bosch Gmbh Robert DEVICE FOR REGULATING THE HEADLIGHT OF HEADLAMPS OF MOTOR VEHICLES
US5247440A (en) * 1991-05-03 1993-09-21 Motorola, Inc. Location influenced vehicle control system
DE4305653A1 (en) * 1993-02-25 1994-03-10 Daimler Benz Ag Motor vehicle with external courtesy lighting - provides equipment for at least one side door for illuminating floor of external entry area
DE4119436C2 (en) * 1991-06-13 1995-08-03 Man Nutzfahrzeuge Ag Commercial vehicle with the usual approach mirror
DE4403937A1 (en) * 1994-02-08 1995-08-31 Siemens Ag Ambient lighting condition control of road vehicle lights
US5473368A (en) * 1988-11-29 1995-12-05 Hart; Frank J. Interactive surveillance device
DE19602005A1 (en) * 1995-02-02 1996-08-08 Valeo Vision Automatic correction of headlamp alignment during positional change of motor vehicle
US5562336A (en) * 1995-02-07 1996-10-08 Honda Giken Kogyo Kabushiki Kaisha Head lamp device for vehicle
US5589901A (en) * 1995-05-15 1996-12-31 Means; Kevin P. Apparatus and method for synchronizing search and surveillance devices
US5612882A (en) * 1995-02-01 1997-03-18 Lefebvre; Rebecca K. Method and apparatus for providing navigation guidance
DE69123739T2 (en) * 1990-06-01 1997-06-19 Thomson Training & Simulation IMAGE GENERATOR

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4779168A (en) * 1987-11-24 1988-10-18 Jon Montgomery Land vehicle remotely controlled movable light system
US5473368A (en) * 1988-11-29 1995-12-05 Hart; Frank J. Interactive surveillance device
DE69123739T2 (en) * 1990-06-01 1997-06-19 Thomson Training & Simulation IMAGE GENERATOR
US5247440A (en) * 1991-05-03 1993-09-21 Motorola, Inc. Location influenced vehicle control system
DE4119436C2 (en) * 1991-06-13 1995-08-03 Man Nutzfahrzeuge Ag Commercial vehicle with the usual approach mirror
DE4122531A1 (en) * 1991-07-08 1993-01-14 Bosch Gmbh Robert DEVICE FOR REGULATING THE HEADLIGHT OF HEADLAMPS OF MOTOR VEHICLES
DE4305653A1 (en) * 1993-02-25 1994-03-10 Daimler Benz Ag Motor vehicle with external courtesy lighting - provides equipment for at least one side door for illuminating floor of external entry area
DE4403937A1 (en) * 1994-02-08 1995-08-31 Siemens Ag Ambient lighting condition control of road vehicle lights
US5612882A (en) * 1995-02-01 1997-03-18 Lefebvre; Rebecca K. Method and apparatus for providing navigation guidance
DE19602005A1 (en) * 1995-02-02 1996-08-08 Valeo Vision Automatic correction of headlamp alignment during positional change of motor vehicle
US5562336A (en) * 1995-02-07 1996-10-08 Honda Giken Kogyo Kabushiki Kaisha Head lamp device for vehicle
US5589901A (en) * 1995-05-15 1996-12-31 Means; Kevin P. Apparatus and method for synchronizing search and surveillance devices

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2797614A1 (en) * 1999-08-19 2001-02-23 Peugeot Citroen Automobiles Sa Light assembly for car comprises control unit which controls the prisms orientation and light distribution to obtain different light beams depending on e.g. climatic conditions, traffic and route followed
DE10060734A1 (en) * 2000-12-07 2002-06-13 Opel Adam Ag Spotlight on vehicle, for illumination of roadside traffic sign, is connected to camera which recognizes sign and control system keeping spotlight centered on sign
DE102015008729A1 (en) * 2015-07-07 2017-01-12 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Motor vehicle headlight assembly, vehicle headlight system, motor vehicle and method for operating a motor vehicle

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