EP1526983A1 - Control arrangement for an illuminating system of a motor vehicle - Google Patents

Control arrangement for an illuminating system of a motor vehicle

Info

Publication number
EP1526983A1
EP1526983A1 EP03784033A EP03784033A EP1526983A1 EP 1526983 A1 EP1526983 A1 EP 1526983A1 EP 03784033 A EP03784033 A EP 03784033A EP 03784033 A EP03784033 A EP 03784033A EP 1526983 A1 EP1526983 A1 EP 1526983A1
Authority
EP
European Patent Office
Prior art keywords
abl
arrangement according
adjustment
control
motor 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Withdrawn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
EP03784033A
Other languages
German (de)
French (fr)
Inventor
Tilo Schweers
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1526983A1 publication Critical patent/EP1526983A1/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Withdrawn legal-status Critical Current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
    • B60Q1/04—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
    • B60Q1/10—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 vehicle inclination, e.g. due to load distribution
    • B60Q1/115—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 vehicle inclination, e.g. due to load distribution by electric means
    • 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
    • B60Q1/076—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 by electrical means including means to transmit the movements, e.g. shafts or joints
    • 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

Definitions

  • the invention relates to a control arrangement for a lighting system of a motor vehicle.
  • the lighting system of a motor vehicle contains different light functions.
  • DE 43 41 058 Cl each has lamps for the front fog lamps, high-beam headlights, driving light headlights and for the parking lights or parking lights.
  • the lamps are controlled by means of a microcomputer and connected switching amplifiers.
  • the problem is that an individual headlight (e.g. low beam or driving light, high beam) often cannot simultaneously meet different specific regulations (eg country-specific certification regulations) with regard to its basic optical setting.
  • different specific regulations could be met by always adjusting an optical reflector assigned to the headlight in accordance with the specific regulation. For example, in the case of headlights with separate reflectors for driving lights and high beams, these reflectors could be set individually in order to achieve the prescribed ambient lighting.
  • the invention has for its object to inexpensively adapt lighting functions of a lighting system to different specific requirements.
  • a headlight range control that is often already present in the vehicle.
  • a headlight range control for vehicle headlights is known for example from DE 197 32 964 AI.
  • the headlight range control is connected to a control unit.
  • the control unit is designed in such a way that it detects different light functions (e.g. low beam, high beam) as input signals and, depending on the light function currently being detected, controls an adjusting device of the headlight range control for adjusting an ambient illumination of the motor vehicle.
  • Such a control arrangement has the advantage that, with the aid of conventional technical means, a prescribed optical illumination of the surroundings of a motor vehicle can be achieved inexpensively.
  • the control unit preferably uses at least one control signal to control the adjustment device, this at least one control signal representing a predetermined adjustment value of at least one physical variable (e.g. angle, travel).
  • This physical variable can also be called an adjustment variable.
  • An adjustment value of the same physical quantity can preferably be changed, ie can be predetermined differently.
  • a kind of "database" can be contained in the control arrangement, in which different predetermined adjustment values are already contained for different framework conditions (eg country-specific regulations).
  • the "suitable" adjustment value can then be selected in the control arrangement, for example read out from a memory unit.
  • the adjustment values are stored, for example, in a writable memory unit or the like.
  • the storage unit or the like can be part of the control unit.
  • the adjustment device adjusts an adjustment object, preferably a reflector for a headlight.
  • the adjustment object With a certain active light function, the adjustment object is in a basic position. As soon as another light function is activated, the adjustment object is transferred into an adjustment position in accordance with the adjustment value or adjustment values predetermined for this light function.
  • This automatic adjustment can be used in addition to a manual headlight range control. However, there is also no longer any need for manual adjustment and eventual use of the automatic adjustment is conceivable.
  • the preferred embodiments of the reflectors according to claims 6 and 7 can be used in a cost-saving manner with the aid of the headlight range control and the control unit, even if the lighting functions have to meet different requirements with regard to the illumination (e.g. country-specific certification regulations). Modified reflectors and the tools required for this are therefore unnecessary.
  • the low beam and high beam are preferably provided as different light functions.
  • the adjustment object is in the basic position when the low beam is activated. If a switch is made from low beam to high beam while driving, the control unit controls the headlight range control and adjusts the adjustment object by a predetermined adjustment value or a plurality of predetermined adjustment values.
  • the physical quantity is preferably an angle of rotation.
  • a reflector as an adjustment object is adjusted by a predetermined angle of rotation.
  • the adjustment object is preferably adjustable about several axes of rotation, so that the lighting system can be adapted even more flexibly to different regulations.
  • the invention is explained in more detail with reference to the embodiment shown in the figures.
  • the single figure shows a schematic block diagram of the control arrangement according to the invention.
  • the light rotary switch 1 is connected via a line section 2 to a control unit (not shown here) for controlling various lamps of the lighting system of the motor vehicle.
  • the rotary light switch 1 is connected to an electronic control unit 4 via a signal line 3 (there may also be several lines).
  • An input signal is present at a first control input 5 of the electronic control unit 4, which corresponds to the light function activated by the rotary light switch 1.
  • the high beam FL can be activated by means of an operating function on a steering column lever 9 shown schematically in the figure.
  • An input signal is present at a second control input 10 of the control unit 4, which corresponds to the state of the light function that can be activated by the steering column lever 9.
  • the steering column lever 9 is connected to the second control input 10 by means of a signal line 11 (there may also be several lines).
  • the light functions dipped beam ABL and high beam FL as well as further light functions are recorded by the control unit 4.
  • an adjusting device 6 of a light range control is controlled by the control unit 4.
  • the control takes place via a control line 7 (there may also be several lines). Control signals are present on the control line 7, which can cause the adjusting device 6 to adjust a reflector 8 of a headlight.
  • angles of rotation and / or axes of rotation for a corresponding adjustment of the reflector 8 are stored in a memory of the control unit 4 for different light functions.
  • These predetermined adjustment values can advantageously be adapted to requirements which have changed in the course of the operating time or from country to country by being replaced by other predetermined adjustment values.
  • the actuation of the adjusting device 6 takes place in a preferred embodiment as follows: In the basic position of the reflector 8 or an associated headlight, the regulations for the illumination of the low beam are ABL fulfilled. If a switch is now made from low beam ABL to high beam FL while driving, the control unit 4 controls the adjusting device 6 with control signals in such a way that the reflector 8 adjusts about a certain axis of rotation (for example about a horizontal axis ah or a vertical axis av) along a predetermined angle of rotation W FL becomes. The adjustment values are set in such a way that the illumination of the high beam FL again complies with the regulations.
  • the adjusting device 6 is again activated by the control unit 4 with corresponding output signals or predetermined adjustment values, so that the reflector 8 is returned to its basic position.
  • the adjustment movement of the reflector 8 is in turn dependent on the horizontal axis of rotation ah and / or the vertical axis of rotation av and an angle of rotation W ABL for the low beam.
  • a horizontal adjustment of the reflector 8 about the horizontal axis ah is preferably carried out first. If a transverse adjustment of the reflector 8 about the vehicle vertical axis or the vertical axis av is also required to comply with the regulations, then in a second step an adjustment of the reflector 8 about this vertical axis av is carried out in order to adjust the reflector 8 or the associated headlight ,
  • This method is preferably suitable for light functions and illuminants in which the dipped beam ABL and the high beam FL are assigned a common reflector 8 or in which the reflector for dipped beam ABL and the reflector for high beam FL are rigidly connected to one another.

Abstract

A control arrangement for an illuminating system of a motor vehicle comprises a control unit (4). The control unit (4) detects the activation of different light functions (ABL, FL). The control unit (4) controls, according to the detected light function (ABL, FL), an adjusting device (6) of a headlight-range control for adjusting an illumination of the surroundings of the motor vehicle.

Description

Steueranordnung für eine Beleuchtungsanlage eines Kraftfahrzeugs Control arrangement for a lighting system of a motor vehicle
Die Erfindung betrifft eine Steueranordnung für eine Beleuchtungsanlage eines Kraftfahrzeuges.The invention relates to a control arrangement for a lighting system of a motor vehicle.
Die Beleuchtungsanlage eines Kraftfahrzeugs enthält unterschiedliche Lichtfunktionen. So sind beispielsweise in DE 43 41 058 Cl frontseitig jeweils Lampen für die Nebelscheinwerfer, Fernscheinwerfer, Fahrlichtscheinwerfer sowie für die Stand- oder Parklichtleuchten vorgesehen. Die Lampen werden mittels eines Mikrorechners und mittels daran angeschlossenen Schaltendstufen angesteuert. Problematisch ist, dass ein einzelner Scheinwerfer (z.B. Abblendlicht bzw. Fahrlicht, Fernlicht) hinsichtlich seiner optischen Grundeinstellung oftmals nicht gleichzeitig unterschiedliche spezifische Vorschriften (z.B. länderspezifische Zertifizierungsvorschriften) erfüllen kann. In einigen Fällen könnten unterschiedliche spezifische Vorschriften dadurch erfüllt werden, dass ein dem Scheinwerfer zugeordneter optischer Reflektor immer entsprechend der spezifischen Vorschrift eingestellt wird. Beispielsweise könnten bei Scheinwerfern mit getrennten Reflektoren für Fahrlicht und Fernlicht diese Reflektoren einzeln eingestellt werden, um die vorgeschriebene Umfeldausleuchtung zu erreichen. Bei Scheinwerfern mit einem gemeinsamen Reflektor für Fahrlicht und Fernlicht mit einer einzigen Zweifadenlampe ist dies jedoch nicht möglich. Gleiches gilt für getrennte Reflektoren und Leuchtmittel, wenn die Reflektoren miteinander starr verbunden sind. In allen diesen Fällen kann dann immer nur eine Lichtfunktion (z.B. Fahrlicht oder Fernlicht) an spezifische Vorschriften entsprechend angepasst werden. Die- ser Nachteil kann dadurch vermieden werden, dass für die spezifischen Vorschriften jeweils ein spezifischer Werkzeugsatz vorgehalten wird, um spezifische Reflektoren herzustellen. Dies ist jedoch mit einem hohen Kostenaufwand verbunden.The lighting system of a motor vehicle contains different light functions. For example, DE 43 41 058 Cl each has lamps for the front fog lamps, high-beam headlights, driving light headlights and for the parking lights or parking lights. The lamps are controlled by means of a microcomputer and connected switching amplifiers. The problem is that an individual headlight (e.g. low beam or driving light, high beam) often cannot simultaneously meet different specific regulations (eg country-specific certification regulations) with regard to its basic optical setting. In some cases, different specific regulations could be met by always adjusting an optical reflector assigned to the headlight in accordance with the specific regulation. For example, in the case of headlights with separate reflectors for driving lights and high beams, these reflectors could be set individually in order to achieve the prescribed ambient lighting. However, this is not possible for headlights with a common reflector for driving lights and high beam with a single two-filament lamp. The same applies to separate reflectors and illuminants if the reflectors are rigidly connected to one another. In all of these cases, only one light function (e.g. driving light or high beam) can be adapted to specific regulations. The- This disadvantage can be avoided by having a specific tool set available for the specific regulations in order to produce specific reflectors. However, this is associated with a high cost.
Der Erfindung liegt die Aufgabe zugrunde, Lichtfunktionen einer Beleuchtungsanlage kostengünstig an unterschiedliche spezifische Anforderungen anzupassen.The invention has for its object to inexpensively adapt lighting functions of a lighting system to different specific requirements.
Diese Aufgabe wird durch die Merkmalskombination des Anspruches 1 gelöst .This object is achieved by the combination of features of claim 1.
Erfindungsgemäß wird auf eine oftmals ohnehin im Fahrzeug vorhandene Leuchtweitenregelung zurückgegriffen. Eine Leuchtweitenregelung für Fahrzeugscheinwerfer ist beispielsweise aus DE 197 32 964 AI bekannt. Weiterhin wird erfindungsgemäß die Leuchtweitenregelung an eine Steuereinheit angeschlossen. Die Steuereinheit ist derart ausgestaltet, dass sie unterschiedliche Lichtfunktionen (z.B. Abblendlicht, Fernlicht) als Eingangssignale erfasst und abhängig von der aktuell er- fassten Lichtfunktion eine Versteileinrichtung der Leuchtweitenregelung zur Verstellung einer Umfeldausleuchtung des Kraftfahrzeuges ansteuert. Eine derartige Steueranordnung hat den Vorteil, dass unter Zuhilfenahme herkömmlicher technischer Mittel eine jeweils vorgeschriebene optische Ausleuchtung des Umfeldes eines Kraftfahrzeuges kostengünstig erziel- bar ist.According to the invention, use is made of a headlight range control that is often already present in the vehicle. A headlight range control for vehicle headlights is known for example from DE 197 32 964 AI. Furthermore, according to the invention, the headlight range control is connected to a control unit. The control unit is designed in such a way that it detects different light functions (e.g. low beam, high beam) as input signals and, depending on the light function currently being detected, controls an adjusting device of the headlight range control for adjusting an ambient illumination of the motor vehicle. Such a control arrangement has the advantage that, with the aid of conventional technical means, a prescribed optical illumination of the surroundings of a motor vehicle can be achieved inexpensively.
Vorzugsweise verwendet die Steuereinheit zur Ansteuerung der VerStelleinrichtung mindestens ein Steuersignal, wobei dieses mindestens eine Steuersignal einen vorbestimmten Verstellwert mindestens einer physikalischen Größe (z.B. Winkel, Weg) repräsentiert. Diese physikalische Größe kann auch als Verstell- größe bezeichnet werden.The control unit preferably uses at least one control signal to control the adjustment device, this at least one control signal representing a predetermined adjustment value of at least one physical variable (e.g. angle, travel). This physical variable can also be called an adjustment variable.
Vorzugsweise ist ein Verstellwert derselben physikalischen Größe veränderbar, d.h. unterschiedlich vorbestimmbar. Hier- durch wird eine technisch einfache Anpassung von Lichtfunktionen an unterschiedliche Anforderungen unterstützt. Beispielsweise können auf diese Weise auch Vorschriften zur Um- feldausleuchtung ohne neue Bauteile erfüllt werden, wenn sich diese Vorschriften im Laufe der Betriebszeit des Kraftfahrzeuges ändern. Außerdem kann in der Steueranordnung eine Art "Datenbank" enthalten sein, in der für unterschiedliche Rahmenbedingungen (z.B. länderspezifische Vorschriften) unterschiedliche vorbestimmte Verstellwerte bereits enthalten sind. Abhängig von der aktuellen Rahmenbedingung kann dann in der Steueranordnung der "passende" Verstellwert ausgewählt werden, z.B. aus einer Speichereinheit ausgelesen werden.An adjustment value of the same physical quantity can preferably be changed, ie can be predetermined differently. Here- through supports a technically simple adaptation of lighting functions to different requirements. For example, regulations for ambient lighting without new components can also be met in this way if these regulations change in the course of the operating time of the motor vehicle. In addition, a kind of "database" can be contained in the control arrangement, in which different predetermined adjustment values are already contained for different framework conditions (eg country-specific regulations). Depending on the current general condition, the "suitable" adjustment value can then be selected in the control arrangement, for example read out from a memory unit.
Um die Verstellwerte gegebenenfalls verändern zu können, sind die Verstellwerte beispielsweise in einer beschreibbaren Speichereinheit oder dergleichen abgelegt.In order to be able to change the adjustment values if necessary, the adjustment values are stored, for example, in a writable memory unit or the like.
Die Speichereinheit oder dergleichen kann Bestandteil der Steuereinheit sein.The storage unit or the like can be part of the control unit.
In einer bevorzugten Ausführungsform verstellt die Verstell- einrichtung ein Verstellobjekt, vorzugsweise einen Reflektor für einen Scheinwerfer. Bei einer bestimmten aktiven Licht- funktion befindet sich das Verstellobjekt in einer Grundposition. Sobald eine andere Lichtfunktion aktiviert wird, wird das Verstellobjekt entsprechend dem bzw. der für diese Lichtfunktion vorbestimmten Verstellwert bzw. Verstellwerte in eine Verstellposition überführt. Vorzugsweise sind mehrere Lichtfunktionen vorhanden, denen jeweils andere Verstellwerte bzw. Verstellpositionen zugeordnet sind. Sobald die ursprüngliche Lichtfunktion erneut aktiviert wird, überführt die Versteileinrichtung das Verstellobjekt zurück in die Grundposition.In a preferred embodiment, the adjustment device adjusts an adjustment object, preferably a reflector for a headlight. With a certain active light function, the adjustment object is in a basic position. As soon as another light function is activated, the adjustment object is transferred into an adjustment position in accordance with the adjustment value or adjustment values predetermined for this light function. There are preferably a plurality of light functions, each of which is assigned different adjustment values or adjustment positions. As soon as the original light function is activated again, the adjusting device transfers the adjustment object back to the basic position.
Diese automatische Verstellung kann zusätzlich zu einer manuellen Leuchtweitenregelung eingesetzt werden. Ebenso ist aber auch ein Wegfall der manuellen Verstellung und eine aus- schließliche Verwendung der automatischen Verstellung denkbar.This automatic adjustment can be used in addition to a manual headlight range control. However, there is also no longer any need for manual adjustment and eventual use of the automatic adjustment is conceivable.
Die bevorzugten Ausführungsformen der Reflektoren gemäß den Ansprüchen 6 und 7 können unter Zuhilfenahme der Leuchtweitenregelung und der Steuereinheit kostensparend weiterverwendet werden, auch wenn die Lichtfunktionen hinsichtlich der Ausleuchtung unterschiedlichen Anforderungen genügen müssen (z.B. länderspezifische Zertifizierungsvorschriften). Geänderte Reflektoren und die dafür benötigten Werkzeuge sind deshalb überflüssig.The preferred embodiments of the reflectors according to claims 6 and 7 can be used in a cost-saving manner with the aid of the headlight range control and the control unit, even if the lighting functions have to meet different requirements with regard to the illumination (e.g. country-specific certification regulations). Modified reflectors and the tools required for this are therefore unnecessary.
Vorzugsweise sind das Abblendlicht und das Fernlicht als unterschiedliche Lichtfunktionen vorgesehen. In einer vorteilhaften Ausführungsform befindet sich das Verstellobjekt bei aktiviertem Abblendlicht in der Grundposition. Wird im Fahrbetrieb von Abblendlicht auf Fernlicht umgeschaltet, steuert die Steuereinheit die Leuchtweitenregelung an und verstellt das Verstellobjekt um einen vorbestimmten Verstellwert bzw. mehrere vorbestimmte Verstellwerte.The low beam and high beam are preferably provided as different light functions. In an advantageous embodiment, the adjustment object is in the basic position when the low beam is activated. If a switch is made from low beam to high beam while driving, the control unit controls the headlight range control and adjusts the adjustment object by a predetermined adjustment value or a plurality of predetermined adjustment values.
Vorzugsweise handelt es sich bei der physikalischen Größe um eine Drehwinkel. Beispielsweise wird ein Reflektor als Verstellobjekt um einen vorbestimmten Drehwinkel verstellt.The physical quantity is preferably an angle of rotation. For example, a reflector as an adjustment object is adjusted by a predetermined angle of rotation.
Vorzugsweise ist das Verstellobjekt um mehrere Drehachsen verstellbar, so dass die Beleuchtungsanlage noch flexibler an unterschiedliche Vorschriften anpassbar ist.The adjustment object is preferably adjustable about several axes of rotation, so that the lighting system can be adapted even more flexibly to different regulations.
Die Erfindung wird anhand des in den Figuren dargestellten Ausführungsbeispiels näher erläutert . Die einzige Figur zeigt ein schematisches Blockschaltbild der erfindungsgemäßen Steueranordnung .The invention is explained in more detail with reference to the embodiment shown in the figures. The single figure shows a schematic block diagram of the control arrangement according to the invention.
Mittels eines Lichtdrehschalters 1 können vom Fahrer eines Kraftfahrzeuges nacheinander unterschiedliche Lichtfunktionen aktiviert werden z.B. das Abblendlicht ABL (= Fahrlicht) . Über einen Leitungsabschnitt 2 ist der Lichtdrehschalter 1 an ein hier nicht dargestelltes Steuergerät zur Ansteuerung verschiedener Lampen der Beleuchtungsanlage des Kraftfahrzeuges angeschlossen. Weiterhin ist der Lichtdrehschalter 1 über eine Signalleitung 3 (es können auch mehrere Leitungen sein) an eine elektronische Steuereinheit 4 angeschlossen. Dabei liegt an einem ersten Steuereingang 5 der elektronischen Steuereinheit 4 ein Eingangssignal an, welches der durch den Licht- drehschalter 1 aktivierten Lichtfunktion entspricht. Mittels einer Bedienfunktion an einem in der Figur schematisch dargestellten Lenkstockhebel 9 ist das Fernlicht FL aktivierbar. An einem zweiten Steuereingang 10 der Steuereinheit 4 liegt ein Eingangssignal an, welches dem Zustand der durch den Lenkstockhebel 9 aktivierbaren Lichtfunktion entspricht. Der Lenkstockhebel 9 ist mittels einer Signalleitung 11 (es können auch mehrere Leitungen sein) an den zweiten Steuereingang 10 angeschlossen. Von der Steuereinheit 4 werden die Lichtfunktionen Abblendlicht ABL und Fernlicht FL sowie weitere Lichtfunktionen erfasst. Abhängig von der erfassten aktiven Lichtfunktion wird eine Versteileinrichtung 6 einer Leucht- weitenregelung von der Steuereinheit 4 angesteuert . Die AnSteuerung erfolgt über eine Steuerleitung 7 (es können auch mehrere Leitungen sein) . An der Steuerleitung 7 liegen Steuersignale an, welche die VerStelleinrichtung 6 dazu veranlassen können, einen Reflektor 8 eines Scheinwerfers zu verstellen. Beispielsweise sind in einem Speicher der Steuereinheit 4 für unterschiedliche Lichtfunktionen bestimmte Drehwinkel und/oder Drehachsen für eine entsprechende Verstellung des Reflektors 8 abgelegt . Vorteilhaft können diese vorbestimmten Verstellwerte an im Laufe der Betriebszeit oder von Land zu Land veränderte Anforderungen angepasst werden, indem sie durch andere vorbestimmte Verstellwerte ersetzt werden.By means of a light rotary switch 1, the driver of a motor vehicle can activate different light functions in succession, for example the low-beam light ABL (= driving light). The light rotary switch 1 is connected via a line section 2 to a control unit (not shown here) for controlling various lamps of the lighting system of the motor vehicle. Furthermore, the rotary light switch 1 is connected to an electronic control unit 4 via a signal line 3 (there may also be several lines). An input signal is present at a first control input 5 of the electronic control unit 4, which corresponds to the light function activated by the rotary light switch 1. The high beam FL can be activated by means of an operating function on a steering column lever 9 shown schematically in the figure. An input signal is present at a second control input 10 of the control unit 4, which corresponds to the state of the light function that can be activated by the steering column lever 9. The steering column lever 9 is connected to the second control input 10 by means of a signal line 11 (there may also be several lines). The light functions dipped beam ABL and high beam FL as well as further light functions are recorded by the control unit 4. Depending on the detected active light function, an adjusting device 6 of a light range control is controlled by the control unit 4. The control takes place via a control line 7 (there may also be several lines). Control signals are present on the control line 7, which can cause the adjusting device 6 to adjust a reflector 8 of a headlight. For example, certain angles of rotation and / or axes of rotation for a corresponding adjustment of the reflector 8 are stored in a memory of the control unit 4 for different light functions. These predetermined adjustment values can advantageously be adapted to requirements which have changed in the course of the operating time or from country to country by being replaced by other predetermined adjustment values.
Die Ansteuerung der Versteileinrichtung 6 erfolgt in einer bevorzugten Aus ührungsform wie folgt: In der Grundposition des Reflektors 8 bzw. eines zugeordneten Frontscheinwerfers sind die Vorschriften für die Ausleuchtung des Abblendlichtes ABL erfüllt. Wird nun im Fahrbetrieb von Abblendlicht ABL auf Fernlicht FL umgeschaltet, steuert die Steuereinheit 4 die Versteileinrichtung 6 mit Steuersignalen derart an, dass der Reflektor 8 um eine bestimmte Drehachse (z.B. um eine Horizontalachse ah oder eine Vertikalachse av) entlang eines vorbestimmten Drehwinkels WFL verstellt wird. Dabei sind die Verstellwerte derart festgelegt, dass die Ausleuchtung des Fernlichts FL wiederum den Vorschriften entspricht. Wird auf die Stellung „Abblendlicht ABL" zurückgeschaltet, wird die Versteileinrichtung 6 erneut von der Steuereinheit 4 mit entsprechenden Ausgangssignalen bzw. vorbestimmten Verstellwerten angesteuert, so dass der Reflektor 8 wieder in seine Grundposition zurückgeführt wird. Dabei ist die Verstellbewegung des Reflektors 8 wiederum abhängig von der horizontalen Drehachse ah und/oder der vertikalen Drehachse av sowie von einem Drehwinkel WABL für das Abblendlicht.The actuation of the adjusting device 6 takes place in a preferred embodiment as follows: In the basic position of the reflector 8 or an associated headlight, the regulations for the illumination of the low beam are ABL fulfilled. If a switch is now made from low beam ABL to high beam FL while driving, the control unit 4 controls the adjusting device 6 with control signals in such a way that the reflector 8 adjusts about a certain axis of rotation (for example about a horizontal axis ah or a vertical axis av) along a predetermined angle of rotation W FL becomes. The adjustment values are set in such a way that the illumination of the high beam FL again complies with the regulations. If the system switches back to the “low beam ABL” position, the adjusting device 6 is again activated by the control unit 4 with corresponding output signals or predetermined adjustment values, so that the reflector 8 is returned to its basic position. The adjustment movement of the reflector 8 is in turn dependent on the horizontal axis of rotation ah and / or the vertical axis of rotation av and an angle of rotation W ABL for the low beam.
Sind mehrere Drehachsen vorhanden, wird vorzugsweise zunächst eine horizontale Verstellung des Reflektors 8 um die Horizontalachse ah vorgenommen. Ist zur Erfüllung der Vorschriften auch eine Querverstellung des Reflektors 8 um die Fahrzeughochachse bzw. die Vertikalachse av erforderlich, so wird in einem zweiten Schritt auch eine Verstellung des Reflektors 8 um diese Vertikalachse av durchgeführt, um den Reflektor 8 bzw. den zugeordneten Scheinwerfer zu justieren.If there are several axes of rotation, a horizontal adjustment of the reflector 8 about the horizontal axis ah is preferably carried out first. If a transverse adjustment of the reflector 8 about the vehicle vertical axis or the vertical axis av is also required to comply with the regulations, then in a second step an adjustment of the reflector 8 about this vertical axis av is carried out in order to adjust the reflector 8 or the associated headlight ,
Dieses Verfahren eignet sich vorzugsweise für Lichtfunktionen und Leuchtmittel, bei denen dem Abblendlicht ABL und dem Fernlicht FL ein gemeinsamer Reflektor 8 zugeordnet ist oder bei denen der Reflektor für Abblendlicht ABL und der Reflektor für Fernlicht FL miteinander starr verbunden sind. This method is preferably suitable for light functions and illuminants in which the dipped beam ABL and the high beam FL are assigned a common reflector 8 or in which the reflector for dipped beam ABL and the reflector for high beam FL are rigidly connected to one another.

Claims

Patentansprüche claims
1. Steueranordnung für eine Beleuchtungsanlage eines Kraftfahrzeuges , d a d u r c h g e k e n n z e i c h n e t , dass sie eine Steuereinheit (4) aufweist, welche die Aktivierung unterschiedlicher Lichtfunktionen (ABL, FL) als EingangsSignale erfasst und abhängig von der erfassten Lichtfunktion (ABL, FL) eine Versteileinrichtung (6) einer Leuchtweitenregelung zur Verstellung einer Umfeldausleuchtung des Kraftfahrzeuges ansteuert .1. Control arrangement for a lighting system of a motor vehicle, characterized in that it has a control unit (4) which detects the activation of different light functions (ABL, FL) as input signals and, depending on the detected light function (ABL, FL), an adjusting device (6) Headlight range control for adjusting ambient lighting of the motor vehicle.
2. Anordnung nach Anspruch 1 , d a d u r c h g e k e n n z e i c h n e t , dass die Versteileinrichtung (6) mit mindestens einem Steuersignal angesteuert wird, wobei das mindestens eine Steuersignal einen vorbestimmten Verstellwert mindestens einer physikalischen Größe (WABL, WF) repräsentiert.2. Arrangement according to claim 1, characterized in that the adjusting device (6) is controlled with at least one control signal, the at least one control signal representing a predetermined adjustment value of at least one physical variable (W ABL , W F ).
3. Anordnung nach Anspruch 2 , d a d u r c h g e k e n n z e i c h n e t , dass der Verstellwert derselben physikalischen Größe (WABL, WFL) unterschiedlich vorbestimmbar ist .3. Arrangement according to claim 2, characterized in that the adjustment value of the same physical variable (W ABL , W FL ) can be predetermined differently.
4. Anordnung nach Anspruch 3 , d a d u r c h g e k e n n z e i c h n e t , dass der Verstellwert länderspezifisch unterschiedlich vorbestimmt ist. 4. Arrangement according to claim 3, characterized in that the adjustment value is predetermined differently depending on the country.
5. Anordnung nach einem der vorhergehenden Ansprüche , d a d u r c h g e k e n n z e i c h n e t , dass die Versteileinrichtung (6) ein Verstellobjekt, z.B. einen Reflektor (8) für einen Scheinwerfer verstellt.5. Arrangement according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that the adjusting device (6) an adjustment object, e.g. adjusted a reflector (8) for a headlight.
6. Anordnung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass unterschiedlichen Lichtfunktionen (ABL, FL) ein gemeinsamer Reflektor (8) zugeordnet ist.6. Arrangement according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that different light functions (ABL, FL) is assigned a common reflector (8).
7. Anordnung nach einem der vorhergehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass unterschiedliche Lichtfunktionen (ABL, FL) voneinander getrennte Leuchtmittel aufweisen, denen jeweils ein Reflektor (8) zugeordnet ist, wobei die Reflektoren (8) miteinander starr verbunden sind.7. Arrangement according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t that different light functions (ABL, FL) have separate illuminants, each of which is assigned a reflector (8), the reflectors (8) being rigidly connected to one another.
8. Anordnung nach einem der vorhergehenden Ansprüche, g e k e n n z e i c h n e t d u r c h8. Arrangement according to one of the preceding claims, g e k e n n z e i c h n e t d u r c h
Abblendlicht (ABL) und Fernlicht (FL) als unterschiedliche Lichtfunktionen.Low beam (ABL) and high beam (FL) as different light functions.
9. Anordnung nach Anspruch 2 oder 3 , g e k e n n z e i c h n e t d u r c h einen Drehwinkel (WAHL, WFL) als physikalische Größe.9. Arrangement according to claim 2 or 3, characterized by a rotation angle (W AHL , W FL ) as a physical variable.
10. Anordnung nach Anspruch 5, g e k e n n z e i c h n e t d u r c h eine Verstellung des Verstellobjektes (8) um eine oder mehrere Drehachsen (ah, av) . 10. Arrangement according to claim 5, g e k e n n z e i c h n e t d u r c h an adjustment of the adjustment object (8) about one or more axes of rotation (ah, av).
EP03784033A 2002-08-07 2003-07-19 Control arrangement for an illuminating system of a motor vehicle Withdrawn EP1526983A1 (en)

Applications Claiming Priority (3)

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DE10236127A DE10236127A1 (en) 2002-08-07 2002-08-07 Control arrangement for a lighting system of a motor vehicle
DE10236127 2002-08-07
PCT/EP2003/007911 WO2004014693A1 (en) 2002-08-07 2003-07-19 Control arrangement for an illuminating system of a motor vehicle

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