DE102004063836A1 - Vehicle`s headlight controller, has sensors for receiving of occurrence of traffic before the vehicle, and evaluating unit controlling electronics, which adjusts range of lower beam headlight after determined traffic occurrences - Google Patents

Vehicle`s headlight controller, has sensors for receiving of occurrence of traffic before the vehicle, and evaluating unit controlling electronics, which adjusts range of lower beam headlight after determined traffic occurrences Download PDF

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Publication number
DE102004063836A1
DE102004063836A1 DE200410063836 DE102004063836A DE102004063836A1 DE 102004063836 A1 DE102004063836 A1 DE 102004063836A1 DE 200410063836 DE200410063836 DE 200410063836 DE 102004063836 A DE102004063836 A DE 102004063836A DE 102004063836 A1 DE102004063836 A1 DE 102004063836A1
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Prior art keywords
vehicle
headlight
traffic
range
headlamp
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DE200410063836
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German (de)
Inventor
Dieter Dipl.-Ing. Freerichs
Oliver Dipl.-Ing. Löcher
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Daimler AG
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DaimlerChrysler AG
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Priority to DE200410063836 priority Critical patent/DE102004063836A1/en
Publication of DE102004063836A1 publication Critical patent/DE102004063836A1/en
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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
    • 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
    • B60Q1/14—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 having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
    • 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
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/056—Special anti-blinding beams, e.g. a standard beam is chopped or moved in order not to blind
    • 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
    • B60Q2300/41—Indexing codes relating to other road users or special conditions preceding vehicle
    • 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
    • B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The controller has sensors (2) for receiving of occurrence of traffic before the vehicle. An evaluating unit evaluates occurrences of traffic and controls an adjustment electronics (3) for the headlight. The electronics adjusts the range of the lower beam headlight after determined traffic occurrences. A moving breakout exists between the lower beam arrangement and high beam arrangement of the headlight.

Description

Die Erfindung betrifft eine Scheinwerfersteuerung gemäss den gattungsbildenden Merkmalen des Anspruchs 1.The The invention relates to a headlight control according to the generic Features of claim 1.

Eine gattungsgemässe Scheinwerfersteuerung ist aus der EP 0 971 829 B1 bekannt, bei welcher ein Steuer/Regelsystem zur automatischen Steuerung/Regelung des Zustandes von Scheinwerfern eines gesteuerten Fahrzeugs, wobei das Steuer/Regelsystem ein optisches System zur Abbildung externer Lichtquellen innerhalb eines vorbestimmten Sichtfeldes und einem Bildverarbeitungssystem zur Verarbeitung von Bildern des optischen Systems und zur Bereitstellung eines Steuer/Regelsignals, das den Zustand der Scheinwerfer steuert/regelt. Das optische System ist dabei so konfiguriert, um selektiv ein oder mehrere vorbestimmte Spektralbänder innerhalb des Sichtfeldes aufzunehmen und zu übertragen und dass das Abbildungssystem ein Steuer/Regelsignal vorsieht, das den Zustand der Scheinwerfer in Abhängigkeit der Information diesen optischen Systems steuert/regelt.A generic headlight control is from the EP 0 971 829 B1 which comprises a control system for automatically controlling the state of headlamps of a controlled vehicle, the control system comprising an optical system for imaging external light sources within a predetermined field of view and an image processing system for processing images of the optical system and providing them a control signal that controls the state of the headlights. The optical system is configured to selectively receive and transmit one or more predetermined spectral bands within the field of view, and that the imaging system provides a control signal that controls the state of the headlights in response to the information of that optical system.

Ein weiterer automatischer Scheinwerfer ist aus der EP 0 935 728 B1 bekannt. Dieser Scheinwerfer für Fahrzeuge weist ein Lichtsystem auf, das im wesentlichen aus einem ellipsoidförmigen Reflektor, einer Lichtquelle, einer vor dem Reflektor angeordneten Linse und einer mit Antriebsmitteln gekoppelten Blendenwelle besteht. Die Blendenwelle ist durch das erste Antriebsmittel über ein Getriebe um die Drehachse in vier Drehstellungen verstellbar. Die Blendenwelle bildet in jeder Drehstellung eine optisch wirksame Brennlinie. Die erste Brennlinie erzeugt die Hell-Dunkel-Grenze eines symmetrischen Abblendlichtes, welches als Basis-, Stadt- oder Schlechtwetterlicht bezeichnen ist und ausschliesslich den nahen Bereich der Fahrbahn vor dem Fahrzeug ausleuchtet. Die zweite Brennlinie erzeugt die Hell-Dunkel-Grenze für das übliche asymmetrische Abblendlicht bei dem die eigene Fahrbahnseite wesentlich weiter ausgeleuchtet ist als die Gegenfahrbahnseite. Die zweite Brennlinie erzeugt die Hell-Dunkel-Grenze eines asymmetrischen Autobahnlichts. Hierbei ist die eigene Fahrbahnseite, ebenso wie beim üblichen asymmetrischen Abblendlicht, weitreichend ausgeleuchtet, während die benachbarte Fahrbahnseite weiter ausgeleuchtet ist als beim üblichen asymmetrischen Abblendlicht. Die Brennlinie erzeugt die Hell-Dunkel-Grenze eines symmetrischen Fernlichts.Another automatic headlight is out of the EP 0 935 728 B1 known. This vehicle headlamp has a lighting system consisting essentially of an ellipsoidal reflector, a light source, a lens disposed in front of the reflector, and a shutter shaft coupled to drive means. The diaphragm shaft is adjustable by the first drive means via a transmission about the axis of rotation in four rotational positions. The diaphragm shaft forms an optically effective focal line in every rotational position. The first focal line generates the cut-off of a symmetrical low beam, which is called base, city or bad weather light and illuminates only the near area of the road ahead of the vehicle. The second focal line generates the cut-off for the conventional asymmetrical low beam in which the own side of the road is substantially further illuminated than the opposite side of the road. The second focal line creates the cut-off of an asymmetrical motorway light. In this case, the own side of the road, as well as the usual asymmetric dipped beam, illuminated far, while the adjacent side of the road is further illuminated than the usual asymmetric dipped beam. The focal line creates the cut-off of a symmetrical high beam.

In der EP 1 031 785 A2 ist ein Scheinwerfer für ein Fahrzeug mit schalenförmigen Reflektor offenbart, mit einer in dem Strahlengang des Reflektors angeordneten Linse, mit einer zwischen dem Reflektor und der Linse angeordneten ersten Blende, welche zur Erzeugung einer Hell-Dunkel-Grenze eines Lichtbündels des Scheinwerfers dient, und mit einer oberhalb der ersten Blende angeordneten zweiten Blende, welche zur Erzeugung einer zweiten Hell-Dunkel-Grenze dient. Die zweite Blende ist um eine Drehachse, welche horizontal und quer zur optischen Achse verläuft, in mehrere Drehstellungen verstellbar und weist mindestens zwei unterschiedliche Brennlinien auf. Die Beleuchtung nahe dem Fahrzeug ist während der Fahrt beeinflussbar, wenn die zweite Blende mit einem elektrischen Antrieb des Scheinwerfers gekoppelt ist. Beim Drehen der Welle von einer Drehstellung in die andere verändert sich die Lage der Hell-Dunkel-Grenze nicht sprunghaft, sondern wandert kontinuierlich, wenn die zweite Blende von einer Wette gebildet ist, deren Mantelfläche für jede Drehstellung eine Brennlinie aufweist. Beim Drehen der Welle von einer Drehstellung in die andere verändert sich die Lage der Hell-Dunkel-Grenze nicht sprunghaft, sondert wandert kontinuierlich, wenn die zweite Blende von einer Wette gebildet ist, deren Mantelfläche für jede Drehstellung eine Brennlinie aufweist.In the EP 1 031 785 A2 discloses a headlamp for a vehicle with a bowl-shaped reflector, arranged with a arranged in the beam path of the reflector lens, with a arranged between the reflector and the lens first aperture, which serves to generate a light-dark boundary of a light beam of the headlamp, and with a second diaphragm arranged above the first diaphragm, which serves to generate a second light-dark boundary. The second diaphragm is adjustable about an axis of rotation, which is horizontal and transverse to the optical axis, in a plurality of rotational positions and has at least two different focal lines. The lighting near the vehicle can be influenced while driving if the second panel is coupled to an electric drive of the headlight. When turning the shaft from one rotational position to the other, the position of the cut-off line does not change abruptly, but moves continuously when the second diaphragm is formed by a bet whose lateral surface has a focal line for each rotational position. When turning the shaft from one rotational position to the other, the position of the cut-off line does not change abruptly, but continuously migrates when the second diaphragm is formed by a bet whose lateral surface has a focal line for each rotational position.

Bei diesen Arten eines Scheinwerfers für Fahrzeuge ist nachteilig, dass das Licht nicht optimal an die gegebenen Lichtverhältnisse angepasst werden kann.at these types of headlamps for vehicles is disadvantageous, that the light is not optimal to the given lighting conditions can be adjusted.

Die Aufgabe der Erfindung ist daher eine Scheinwerfersteuerung zu verbessern, um so die Sicherheit zu erhöhen.The The object of the invention is therefore to improve a headlight control, so as to increase safety.

Die Aufgabe wird durch die gattungsbildenden Merkmale des Anspruchs 1 gelöst.The Task is by the generic features of the claim 1 solved.

Dabei ist von Vorteil, dass die Abblendlichtverteilung automatisch an die ausserhalb des Fahrzeuges vorgegebenen Lichtverhältnisse anpassbar ist. Insbesondere bei Dunkelheit nachts kann so ein weiterer Fahrbahnbereich ausgeleuchtet werden. Der Fahrer sieht schneller herannahende Gefahren und die Unfallgefahr wird insbesondere bei Nachtfahrten verringert.there is advantageous that the low beam distribution automatically the outside of the vehicle given light conditions is customizable. Especially in the dark at night can be another Lane area are illuminated. The driver sees faster approaching hazards and the risk of accidents is especially at Night driving reduced.

Die Erfindung wird anhand eines Ausführungsbeispieles in Verbindung mit einer Figurenbeschreibung näher erläutert.The Invention is based on an embodiment explained in more detail in conjunction with a description of the figures.

Dabei zeigen:there demonstrate:

1 eine schematische Darstellung eines Prinzips der variablen Fahrbahnausleuchtung, 1 a schematic representation of a principle of the variable road illumination,

2 ein Ablaufdiagramm zur variablen Fahrbahnausleuchtung. 2 a flowchart for the variable Road illumination.

In 1 ist eine schematische Darstellung eines Prinzips der variablen Fahrbahnausleuchtung gezeigt. Im Fahrzeug 1 ist bevorzugt im Bereich des Innenspiegels eine Sensorik 2 bzw. eine Kamera angeordnet, die das Licht des Gegenverkehrs 10 und das Licht von anderen äusseren Lichtquellen, wie Strassenlaternen sensiert. Die Sensorik 2 analysiert das Verkehrsgeschehen vor dem Fahrzeug. Es werden sowohl entgegenkommende, als auch vorausfahrende Fahrzeuge erkannt. Auch Fahrradfahrer werden sicher detektiert und die Ausleuchtung der Fahrbahn wird entsprechend angepasst. Diese ermittelte Information wird direkt im Sensor ausgewertet oder an eine Auswerteeinheit weitergeleitet, die dieses Licht auswertet und daraufhin die Einstellungselektronik 3 ansteuert, die die Reichweite des Abblendlichtscheinwerfers 4 einstellt. Es ist in 5 die Reichweite eines gewöhnlichen Abblendlichtscheinwerfers 4 gezeigt. In 6 ist die Reichweite der variablen Fahrbahnausleuchtung gezeigt. Diese Reichweite erstreckt sich von vor dem Fahrzeug bis zum entgegenkommenden Fahrzeug. So ist die Fahrbahn bis zum entgegenkommenden Fahrzeug optimal ausgeleuchtet und kann vom Fahrer vollständig überschaut werden. Die Vergrösserung der Reichweite und die variable Einstellung des Abblendlichtes erfolgt dabei je nach Scheinwerfer durch Leuchtweitenregulierung, durch Drehen einer VarioX-Walze, die die Hell-Dunkel-Grenze von Abblendlicht in Fernlicht verschiebt, durch gleitende Absenkung eines Shutters und damit Freigabe des Lichts, durch Leistungsänderungen an einer oder mehreren Lampen oder durch Zuschalten einer oder mehreren Lampen. Über die Ansteuerung einer Auswertesoftware kann die Abblendlichtverteilung so gleitend in die Fernlichtverteilung übergehen. Die Reichweite des Abblendlichts wird situativ zulässig ausgeweitet und das Fernlicht wird stufenlos zugeschaltet, so dass eine optimale Ausleuchtung der nächtlichen Fahrbahn erfolgt.In 1 is shown a schematic representation of a principle of variable road illumination. In the vehicle 1 is preferably in the region of the inner mirror, a sensor 2 or a camera arranged, which is the light of oncoming traffic 10 and the light from other external light sources, such as street lights sensed. The sensors 2 analyzes the traffic in front of the vehicle. Both oncoming and preceding vehicles are detected. Even cyclists are reliably detected and the illumination of the road is adjusted accordingly. This determined information is evaluated directly in the sensor or forwarded to an evaluation that evaluates this light and then the setting electronics 3 controls the range of the low beam headlamp 4 established. It is in 5 the range of an ordinary low beam headlamp 4 shown. In 6 the range of the variable lane illumination is shown. This range extends from in front of the vehicle to the oncoming vehicle. Thus, the road is optimally illuminated to the oncoming vehicle and can be completely overlooked by the driver. Increasing the range and the variable adjustment of the dipped beam takes place depending on the headlamps by headlamp leveling, by turning a VarioX roller, which shifts the cut-off line from low beam to high beam, by sliding lowering a shutter and thus releasing the light Changes in the power of one or more lamps or by switching on one or more lamps. By controlling an evaluation software, the low-beam light distribution can be slid into the high beam distribution in such a way. The range of the dipped-beam headlamps is extended according to the situation and the main beam is switched on steplessly so that an optimal illumination of the nocturnal roadway takes place.

2 zeigt ein Ablaufdiagramm zur variablen Fahrbahnausleuchtung. In 20 erfolgt die Sensierung des Verkehrsgeschehens der vor dem Fahrzeug liegenden Fahrbahnumgebung. Daraufhin erfolgt in 21 die Auswertung dieser Lichtverhältnisse und Ermittlung einer Einstellung der Reichweite der Scheinwerfer und Weiterleitung an die Einstellungselektronik der Scheinwerfer. Die Einstellungselektronik bewirkt daraufhin in 22 die Einstellung der Reichweite der Scheinwerfer, indem je nach vorgegebenem Scheinwerfer die Änderungen zur Reichweitenänderung durchgeführt werden. 2 shows a flowchart for variable road illumination. In 20 the traffic situation of the traffic lane ahead of the vehicle is sensed. Thereupon takes place in 21 the evaluation of these lighting conditions and determination of an adjustment of the range of the headlights and forwarding to the adjustment electronics of the headlights. The adjustment electronics then causes in 22 the adjustment of the range of the headlamps by making the changes to the range change according to the given headlamp.

Claims (3)

Scheinwerfersteuerung zur automatischen Steuerung/Regelung der Reichweite von Scheinwerfern, mit einer Sensorik (2) zur Aufnahme des Verkehrsgeschehens vor dem Fahrzeug, und einer Auswerteeinheit, die dieses Verkehrsgeschehen auswertet und daraufhin eine Einstellungselektronik (3) für den Scheinwerfer ansteuert, dadurch gekennzeichnet, dass die Einstellungselektronik (4) die Reichweite des Abblendlichts (4) je nach ermitteltem Verkehrsgeschehen einstellt.Headlamp control for the automatic control / regulation of the range of headlamps, with a sensor system ( 2 ) for recording the traffic situation in front of the vehicle, and an evaluation unit that evaluates this traffic situation and then an adjustment electronics ( 3 ) for the headlamp, characterized in that the adjustment electronics ( 4 ) the range of the dipped beam ( 4 ) depending on the traffic detected. Scheinwerfersteuerung nach Anspruch 1, dadurch gekennzeichnet, dass ein gleitender Übergang zwischen der Abblendlichtverteilung und dem vollständigen Zuschalten der Fernlichtverteilung besteht.Headlamp control according to claim 1, characterized that a sliding transition between the dipped beam distribution and the complete switching of the high beam distribution consists. Scheinwerfersteuerung nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Veränderung der Reichweite des Abblendlichts je nach Scheinwerfertyp durch Leuchtweitenregulierung, durch Drehen einer VarioX-Walze, die die Hell-Dunkel-Grenze von Abblendlicht in Fernlicht verschiebt, durch gleitende Absenkung eines Shutters und damit Freigabe des Lichts, durch Leistungsänderungen an einer oder mehreren Lampen oder durch Zuschalten einer oder mehreren Lampen.Headlamp control according to claims 1 and 2, characterized in that the change in the range of Low beam depending on the type of headlamp by headlamp leveling, through Turning a VarioX roller, which is the cut-off point of low beam shifted into high beam, by sliding lowering a shutter and thus releasing the light, through power changes to one or more Lamps or by connecting one or more lamps.
DE200410063836 2004-12-24 2004-12-24 Vehicle`s headlight controller, has sensors for receiving of occurrence of traffic before the vehicle, and evaluating unit controlling electronics, which adjusts range of lower beam headlight after determined traffic occurrences Withdrawn DE102004063836A1 (en)

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DE102006043281B4 (en) * 2006-09-14 2016-05-04 Volkswagen Ag Projection headlight assembly for vehicles
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DE102007010273A1 (en) 2007-03-02 2008-09-04 Hella Kgaa Hueck & Co. Method and device for controlling the light output of a vehicle depending on the course of a roadway
EP2006605A1 (en) 2007-06-18 2008-12-24 Valeo Vision Vehicle headlamp
EP2052910A2 (en) 2007-10-26 2009-04-29 Hella KG Hueck & Co. Assembly to control and/or regulate the beam cut-off of motor vehicle headlamps
DE102007051271A1 (en) 2007-10-26 2009-04-30 Hella Kgaa Hueck & Co. Arrangement for controlling and / or regulating the cut-off line in motor vehicle headlights
DE102008060949A1 (en) 2008-12-06 2009-09-17 Daimler Ag Method for controlling vehicle headlamps, involves dividing surrounding into multiple areas outside vehicle, and unrestricted upper beam distribution is adjusted, if no other road user is identified in areas
DE102008060949B4 (en) 2008-12-06 2023-09-28 Mercedes-Benz Group AG Method and arrangement for controlling vehicle headlights
FR3005139A1 (en) * 2013-04-26 2014-10-31 Valeo Vision METHOD FOR CONTROLLING AN ADJUSTABLE LIGHTING SYSTEM FOR A BEARING VEHICLE

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