DE102010003273B4 - automotive interior lighting - Google Patents
automotive interior lighting Download PDFInfo
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- DE102010003273B4 DE102010003273B4 DE102010003273.5A DE102010003273A DE102010003273B4 DE 102010003273 B4 DE102010003273 B4 DE 102010003273B4 DE 102010003273 A DE102010003273 A DE 102010003273A DE 102010003273 B4 DE102010003273 B4 DE 102010003273B4
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- light
- motor vehicle
- light source
- color
- system bus
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- 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
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Abstract
Kraftfahrzeuginnenbeleuchtungmit einem Lichtleiter,mit zumindest einer Lichtquelle, die derart ausgeführt und angeordnet ist, dass Licht der Lichtquelle an einem Ende des Lichtleiters in den Lichtleiter eingekoppelt wird, undmit einer mit einem Kraftfahrzeugsystembus gekoppelten Steuereinrichtung zum Steuern der Lichtquelle derart, dass das Licht der Lichtquelle abhängig von über den Kraftfahrzeugsystembus übertragenen Busdaten hinsichtlich Farbe und/oder Helligkeit geändert wird, und dass der Kraftfahrzeugsystembus mit einer Schnittstelle, insbesondere einer Funkschnittstelle, derart gekoppelt ist, dass Farb- und/oder Helligkeitsinformationen für die Lichtquelle über die Schnittstelle auf den Kraftfahrzeugsystembus übertragbar sind.Motor vehicle interior lighting with a light guide, with at least one light source that is designed and arranged in such a way that light from the light source is coupled into the light guide at one end of the light guide, and with a control device coupled to a motor vehicle system bus for controlling the light source in such a way that the light from the light source is dependent of bus data transmitted via the motor vehicle system bus is changed in terms of color and/or brightness, and that the motor vehicle system bus is coupled to an interface, in particular a radio interface, in such a way that color and/or brightness information for the light source can be transmitted to the motor vehicle system bus via the interface.
Description
Die Erfindung betrifft eine Kraftfahrzeuginnenbeleuchtung.The invention relates to a motor vehicle interior lighting.
Neuere Kraftfahrzeuge verfügen im Innenraum zunehmend über sogenannte ambiente Lichtfunktionen, die für eine dezente Ausleuchtung des Innenraumes sorgen. Der Einsatz dieser Art der Beleuchtung erleichtert den Passagieren im Fahrzeug die Orientierung und schafft eine individuelle und wohnliche Atmosphäre.Newer motor vehicles increasingly have what are known as ambient light functions in the interior, which ensure that the interior is subtly illuminated. The use of this type of lighting makes it easier for passengers to find their way around in the vehicle and creates an individual and homely atmosphere.
Aus der
Der Erfindung liegt die Aufgabe zu Grunde, eine auffallende und variable Kraftfahrzeuginnenbeleuchtung anzugeben.The invention is based on the object of specifying a conspicuous and variable motor vehicle interior lighting.
Diese Aufgabe wird gelöst durch die Merkmale des unabhängigen Patentanspruchs. Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen.This object is solved by the features of the independent patent claim. Advantageous developments of the invention result from the dependent claims.
Eine erfindungsgemäße Kraftfahrzeuginnenbeleuchtung umfasst einen insbesondere stabförmigen Lichtleiter und zumindest eine Lichtquelle, die derart ausgeführt und angeordnet ist, dass Licht der Lichtquelle an einem Ende des Lichtleiters in den Lichtleiter eingekoppelt wird. Zudem ist eine mit einem Kraftfahrzeugsystembus gekoppelte Steuereinrichtung zum Steuern der Lichtquelle vorgesehen. Durch diese Steuereinrichtung wird die Lichtquelle derart angesteuert, dass das Licht der Lichtquelle abhängig von über den Systembus übertragenen Busdaten hinsichtlich Farbe und/oder Helligkeit geändert wird.A motor vehicle interior light according to the invention comprises a light guide, in particular in the form of a rod, and at least one light source which is designed and arranged in such a way that light from the light source is coupled into the light guide at one end of the light guide. In addition, a control device coupled to a motor vehicle system bus is provided for controlling the light source. The light source is controlled by this control device in such a way that the light from the light source is changed in terms of color and/or brightness as a function of bus data transmitted via the system bus.
Dadurch wird erreicht, dass die ohnehin vorhandene Innenraumbeleuchtung zur auffallenden Signalisierung von fahrzeugbezogenen oder fahrsituationsbezogenen Informationen verwendet werden kann. Beispielsweise kann durch die Erfindung die Lichtquelle bei stehendem Fahrzeug anders angesteuert werden als bei fahrendem Fahrzeug, bei positiver Beschleunigung anders als bei negativer Beschleunigung, bei offenen Türen anders als geschlossenen Türen, bei Motor-Aus anders als bei Motor-An, bei aktivem elektrischen Antrieb anders als bei aktivem verbrennungsmotorischen Antrieb, bei Querbeschleunigung anders als ohne Querbeschleunigung, bei hohen Temperaturen anders als bei niedrigen Temperaturen, bei hohen Motordrehzahlen anders als bei niedrigen Motordrehzahlen, bei mehr Fahrzeuginsassen anders als bei weniger Fahrzeuginsassen, bei großem Abstand zu einem Hindernis anders als bei kleinem Abstand zu einem Hindernis, usw.This means that the interior lighting, which is present anyway, can be used for conspicuous signaling of vehicle-related or driving situation-related information. For example, the invention allows the light source to be controlled differently when the vehicle is stationary than when the vehicle is moving, with positive acceleration differently than with negative acceleration, with open doors differently than with closed doors, with the engine off differently than with the engine on, with an active electric drive different than with active combustion engine drive, different with lateral acceleration than without lateral acceleration, different at high temperatures than at low temperatures, different at high engine speeds than at low engine speeds, different with more vehicle occupants than with fewer vehicle occupants, different with a large distance to an obstacle than with short distance to an obstacle, etc.
Vorzugsweise umfassen die Busdaten Fahrzeugzustandsdaten (Daten, welche beispielsweise den Fahrzeugzustand, einen Fahrzeugkomponentenzustand oder die Fahrzeugumgebung beschreiben), die durch die Steuereinrichtung in Farb- und/oder Helligkeitsinformationen (beispielsweise Angaben im HSV-Farbraum oder entsprechende Lichtquellensteuersignale, beispielsweise Pulsweitenmodulationsparameter oder Bestromungsparameter) umgesetzt werden. Basierend auf den Farb- und/oder Helligkeitsinformationen wird dann das Licht der Lichtquelle hinsichtlich Farbe und/oder Helligkeit geändert.The bus data preferably includes vehicle status data (data that describes, for example, the vehicle status, a vehicle component status or the vehicle environment), which the control device converts into color and/or brightness information (for example information in the HSV color space or corresponding light source control signals, for example pulse width modulation parameters or energization parameters). . The color and/or brightness of the light from the light source is then changed based on the color and/or brightness information.
Dadurch wird erreicht, dass die Umsetzung von Fahrzeugzustandsdaten in Farb-/Helligkeitsinformationen, insbesondere die Generierung von Lichtquellensteuersignalen, in Abhängigkeit von ohnehin vorhandenen Fahrzeugzustandsdaten, in der Steuereinrichtung selbst erfolgt.The result of this is that the conversion of vehicle status data into color/brightness information, in particular the generation of light source control signals, takes place in the control device itself as a function of vehicle status data that are already present.
Eine Umsetzung von Farb- und/oder Helligkeitsangaben in einem Farbraum in Lichtquellensteuersignale, kann gegebenenfalls durch die Steuereinrichtung selbst oder eine damit gekoppelte Umsetzeinheit erfolgen.Color and/or brightness information in a color space can be converted into light source control signals, if necessary, by the control device itself or by a conversion unit coupled to it.
Eine andere bevorzugte Ausführungsform sieht vor, dass die Busdaten bereits Farb- und/oder Helligkeitsinformationen (beispielsweise Angaben im HSV-Farbraum oder entsprechende Lichtquellensteuersignale, beispielsweise Pulsweitenmodulationsparameter oder Bestromungsparameter) umfassen. Eine Umsetzung beispielsweise von Fahrzeugzustandsdaten in Farb-/Helligkeitsinformationen erfolgt in dieser Variante also nicht in der Steuereinrichtung, sondern in einer anderen an den Kraftfahrzeugsystembus gekoppelten Einheit, beispielsweise einer zweiten Steuereinrichtung. Die Farb- und/oder Helligkeitsinformationen können dann von der zweiten Steuereinrichtung an den Kraftfahrzeugsystembus gesendet werden.Another preferred embodiment provides that the bus data already includes color and/or brightness information (for example information in the HSV color space or corresponding light source control signals, for example pulse width modulation parameters or current supply parameters). In this variant, for example, vehicle status data is not converted into color/brightness information in the control device, but rather in another unit coupled to the motor vehicle system bus, for example a second control device. The color and/or brightness information can then be sent from the second control device to the motor vehicle system bus.
Erfindungsgemäß ist der Kraftfahrzeugsystembus derart mit einer Schnittstelle, insbesondere Funkschnittstelle, gekoppelt, dass Farb- und/oder Helligkeitsinformationen über die Funkschnittstelle auf den Kraftfahrzeugsystembus übertragbar sind. Dadurch kann beispielsweise die Umsetzung von Fahrzeugzustandsdaten in Farb-/Helligkeitsinformationen in einem externen Gerät, beispielsweise einem Mobiltelefon, einem tragbaren Computer, etc., erfolgen. Die Farb-/Helligkeitsinformationen werden dann über die Schnittstelle auf den Kraftfahrzeugsystembus übertragen, um basierend darauf die Lichtquelle anzusteuern. Hierbei kann auch vorgesehen sein, dass Fahrzeugzustandsdaten über die Schnittstelle zu dem externen Gerät übertragen werden können, um die Fahrzeugzustandsdaten im externen Gerät zur Generierung der Farb-/Helligkeitsinformationen nützen zu können. Zu diesem Zweck kann das externe Gerät beschränkte oder volle Berechtigung zum Zugriff auf den Kraftfahrzeugsystembus oder auf Busdaten auf dem Kraftfahrzeugsystembus erhalten, um Fahrzeugzustandsdaten zu empfangen und/oder um Farb- und/oder Helligkeitsinformationen zu senden und/oder zu empfangen.According to the invention, the motor vehicle system bus is coupled to an interface, in particular a radio interface, in such a way that color and/or brightness information can be transmitted to the motor vehicle system bus via the radio interface. As a result, vehicle status data can be converted into color/brightness information in an external device, for example a cell phone, a portable computer, etc., for example. The color/brightness information is then transmitted to the motor vehicle system bus via the interface in order to control the light source based thereon. It can also be provided here that vehicle status data can be transmitted via the interface to the external device in order to use the vehicle status data in the external device to generate the color/brightness to be able to use information. To this end, the external device may be granted limited or full authorization to access the automotive system bus or bus data on the automotive system bus to receive vehicle status data and/or to send and/or receive color and/or brightness information.
Eine Umsetzung der Erfindung in die Praxis ist besonders einfach, wenn die Lichtquelle zumindest eine RGB-Leuchtdiode oder eine organische Leuchtdiode umfasst, deren Helligkeit und/oder Farbigkeit beispielsweise über die Bestromung oder eine Pulsweiten-Modulation eingestellt werden.Putting the invention into practice is particularly simple if the light source comprises at least one RGB light-emitting diode or an organic light-emitting diode whose brightness and/or color are set, for example, via the current supply or pulse-width modulation.
Im Folgenden wird die Erfindung anhand von Beispielen unter Bezugnahme auf die folgende Figur näher erläutert:
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1 zeigt eine vereinfachte schematische Prinzipdarstellung einer Kraftfahrzeuginnenbeleuchtung.
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1 shows a simplified schematic basic representation of a motor vehicle interior lighting.
Die Helligkeit und/oder die Farbigkeit des von den RGB-Leuchtdioden LQ1,LQ2 in den Lichtleiter LL eingekoppelten Lichts kann über die Steuereinrichtung (Fußraummodul) FRM, beispielsweise über die Bestromung der RGB-Leuchtdioden LQ1,LQ2 oder basierend auf einer Pulsweitenmodulation, eingestellt werden. Dazu kann die Steuereinrichtung FRM beispielsweise mit entsprechend eingerichteten Konstantstromquellen gekoppelt sein oder über entsprechende PWM-Ausgänge verfügen.The brightness and/or color of the light coupled into the light guide LL by the RGB light-emitting diodes LQ1, LQ2 can be set via the control device (footwell module) FRM, for example by energizing the RGB light-emitting diodes LQ1, LQ2 or based on pulse width modulation . For this purpose, the control device FRM can, for example, be coupled to correspondingly set up constant current sources or have corresponding PWM outputs.
Die Steuereinrichtung FRM ist an einen Kraftfahrzeugsystembus BUS, beispielsweise einen CAN-BUS, einen LIN-BUS oder einen FLEXRAY-BUS, gekoppelt. Über den Kraftfahrzeugsystembus BUS kann die Steuereinrichtung FRM Busdaten empfangen.The control device FRM is coupled to a motor vehicle system bus BUS, for example a CAN BUS, a LIN BUS or a FLEXRAY BUS. The control device FRM can receive bus data via the motor vehicle system bus BUS.
Die Busdaten können beispielsweise Fahrzeugzustandsdaten umfassen. Die Fahrzeugzustandsdaten werden beispielsweise von einem anderen Kraftfahrzeug-Teilsystem, wie beispielsweise einem Einparkhilfesystem PDC, generiert. Basierend auf einer in der Steuereinrichtung FRM abgespeicherten Zuordnungsvorschrift können die Fahrzeugzustandsdaten in Farb- und/oder Helligkeitsinformationen für die Leuchtdioden LQ1,LQ2 umgesetzt werden. Die Farb- und/oder Helligkeitsinformationen sind entweder Angaben im HSV-Farbraum, die ihrerseits in entsprechende Bestromungswerte oder Pulsweitenmodulationsparameter für die Leuchtdioden LQ1 , LQ2 umgesetzt werden, oder die Farb- und/oder Helligkeitsinformationen sind bereits entsprechende Bestromungswerte oder Pulsweitenmodulationsparameter für die Leuchtdioden LQ1,LQ2.The bus data can include vehicle status data, for example. The vehicle status data is generated, for example, by another motor vehicle subsystem, such as a PDC parking assistance system. Based on an assignment specification stored in the control device FRM, the vehicle status data can be converted into color and/or brightness information for the light-emitting diodes LQ1, LQ2. The color and/or brightness information is either information in the HSV color space, which in turn is converted into corresponding current supply values or pulse width modulation parameters for the light-emitting diodes LQ1, LQ2, or the color and/or brightness information is already corresponding current supply values or pulse width modulation parameters for the light-emitting diodes LQ1, LQ2.
Alternativ oder ergänzend können die Busdaten bereits Farb- und/oder Helligkeitsinformationen für die Leuchtdioden LQ1,LQ2 umfassen. Die Farb- und/oder Helligkeitsinformationen für die Leuchtdioden LQ1,LQ2 sind wieder entweder Angaben im HSV-Farbraum, die ihrerseits in entsprechende Bestromungswerte oder Pulsweitenmodulationsparameter für die Leuchtdioden LQ1,LQ2 umgesetzt werden, oder die Farb- und/oder Helligkeitsinformationen sind bereits wieder entsprechende Bestromungswerte oder Pulsweitenmodulationsparameter für die Leuchtdioden LQ1 , LQ2.Alternatively or additionally, the bus data can already include color and/or brightness information for the light-emitting diodes LQ1, LQ2. The color and/or brightness information for the light-emitting diodes LQ1, LQ2 is again either information in the HSV color space, which in turn is converted into corresponding current supply values or pulse width modulation parameters for the light-emitting diodes LQ1, LQ2, or the color and/or brightness information is already corresponding again Current values or pulse width modulation parameters for the light-emitting diodes LQ1, LQ2.
In dieser Ausführungsvariante kann die Umsetzung von Fahrzeugzustandsdaten in Farb- und/oder Helligkeitsinformationen bereits in einer anderen Steuereinrichtung HU oder in einem externen Gerät EXT erfolgen, das über eine Funkschnittstelle SS, wie beispielsweise eine Bluetooth-Schnittstelle oder eine WLAN-Schnittstelle, Fahrzeugzustandsdaten vom Kraftfahrzeugsystembus empfangen kann und darauf basierende Farb- und/oder Helligkeitsinformationen an den Kraftfahrzeugsystembus übermitteln kann.In this embodiment variant, vehicle status data can already be converted into color and/or brightness information in another control device HU or in an external device EXT, which transmits vehicle status data from the motor vehicle system bus via a radio interface SS, such as a Bluetooth interface or a WLAN interface can receive and can transmit color and/or brightness information based thereon to the motor vehicle system bus.
Claims (4)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010003273.5A DE102010003273B4 (en) | 2010-03-25 | 2010-03-25 | automotive interior lighting |
PCT/EP2011/001379 WO2011116916A1 (en) | 2010-03-25 | 2011-03-19 | Interior lighting system for a motor vehicle |
EP11710706A EP2550181A1 (en) | 2010-03-25 | 2011-03-19 | Interior lighting system for a motor vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102010003273.5A DE102010003273B4 (en) | 2010-03-25 | 2010-03-25 | automotive interior lighting |
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DE102010003273A1 DE102010003273A1 (en) | 2011-09-29 |
DE102010003273B4 true DE102010003273B4 (en) | 2022-04-21 |
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DE102010003273.5A Active DE102010003273B4 (en) | 2010-03-25 | 2010-03-25 | automotive interior lighting |
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EP (1) | EP2550181A1 (en) |
DE (1) | DE102010003273B4 (en) |
WO (1) | WO2011116916A1 (en) |
Families Citing this family (9)
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DE102010052336A1 (en) | 2010-11-25 | 2012-05-31 | Paul Hartmann Ag | Wound dressing for the negative pressure therapy |
DE102012010890A1 (en) * | 2012-06-01 | 2013-12-05 | Audi Ag | Method and device for individualizing a motor vehicle interior |
DE102012013783C5 (en) * | 2012-07-11 | 2017-11-02 | Trw Automotive Electronics & Components Gmbh | Method for controlling interior lighting in a vehicle and interior lighting |
DE102013203823A1 (en) * | 2013-03-06 | 2014-09-11 | Bayerische Motoren Werke Aktiengesellschaft | Device for interior lighting of a motor vehicle |
DE102013007856A1 (en) * | 2013-05-08 | 2014-11-13 | Audi Ag | Light guide and lighting device with the light guide |
FR3041206A1 (en) * | 2015-09-14 | 2017-03-17 | Valeo Vision | DEVICE FOR CONTROLLING A FUNCTIONAL ORGAN OF A MOTOR VEHICLE |
DE102016207734A1 (en) * | 2016-05-04 | 2017-11-09 | Bayerische Motoren Werke Aktiengesellschaft | Method and device for controlling a lighting device, in particular for the interior of a vehicle |
DE102016214576A1 (en) * | 2016-08-05 | 2018-02-08 | Osram Gmbh | Light module with at least one semiconductor light source |
US11007931B2 (en) | 2018-12-26 | 2021-05-18 | Lumileds Llc | Vehicle interior lighting and illumination |
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Also Published As
Publication number | Publication date |
---|---|
WO2011116916A1 (en) | 2011-09-29 |
EP2550181A1 (en) | 2013-01-30 |
DE102010003273A1 (en) | 2011-09-29 |
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