DE102005043058A1 - Lamp e.g. front headlamp, for motor vehicle, has evaluation and control electronic unit, which controls luminous intensity and radiation characteristics of illuminants based on signal output from sensor - Google Patents
Lamp e.g. front headlamp, for motor vehicle, has evaluation and control electronic unit, which controls luminous intensity and radiation characteristics of illuminants based on signal output from sensor Download PDFInfo
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- DE102005043058A1 DE102005043058A1 DE102005043058A DE102005043058A DE102005043058A1 DE 102005043058 A1 DE102005043058 A1 DE 102005043058A1 DE 102005043058 A DE102005043058 A DE 102005043058A DE 102005043058 A DE102005043058 A DE 102005043058A DE 102005043058 A1 DE102005043058 A1 DE 102005043058A1
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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
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0017—Devices integrating an element dedicated to another function
- B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
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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
- 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
-
- 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
- B60Q1/12—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 steering position
-
- 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
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
- B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/68—Details of reflectors forming part of the light source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0492—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting a change in orientation, a movement or an acceleration of the lighting device, e.g. a tilt switch
-
- 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
- B60Q2300/054—Variable non-standard intensity, i.e. emission of various beam intensities different from standard intensities, e.g. continuous or stepped transitions of intensity
-
- 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
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/11—Linear movements of the vehicle
- B60Q2300/114—Vehicle acceleration or deceleration
-
- 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
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/13—Attitude of the vehicle body
- B60Q2300/132—Pitch
-
- 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
- B60Q2300/10—Indexing codes relating to particular vehicle conditions
- B60Q2300/13—Attitude of the vehicle body
- B60Q2300/134—Yaw
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
- F21S43/14—Light emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/90—Light sources with three-dimensionally disposed light-generating elements on two opposite sides of supports or substrates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
Description
Die Erfindung betrifft eine Fahrzeugleuchte gemäß dem Oberbegriff des Patentanspruchs 1.The The invention relates to a vehicle lamp according to the preamble of the claim 1.
Bekannte Fahrzeugleuchten, wie z.B. Frontscheinwerfer oder Rückleuchten, umfassen üblicherweise eine Lampen-Reflektor-Anordnung. Bisher wurde vor den Scheinwerfer meist eine Streuscheibe mit kleinen Optikelementen angeordnet, die die erforderliche Streuung zur Vergleichmäßigung des Lichtes bewirkte. Heute werden in der Regel so genannte Freiflächenreflektoren gebaut, bei denen auf die genannte Streuscheibe verzichtet werden kann, da die Abstrahl-Charakteristik durch die Form des Reflektors nahezu frei wählbar ist. Neben den genannten Lampen-Reflektor-Anordnungen kommen insbesondere für Bremsleuchten vermehrt auch LED-Module (mit und ohne Reflektor) zum Einsatz.Known Vehicle lights, such as Headlights or taillights, usually include a lamp-reflector arrangement. So far, in front of the headlights usually a diffuser with small optical elements arranged, the caused the required scattering to equalize the light. Today, so-called open space reflectors are usually built at which can be dispensed with the said lens, since the emission characteristics is almost freely selectable by the shape of the reflector. In addition to the aforementioned lamp-reflector arrangements come especially for Brake lights also increase LED modules (with and without reflector) for use.
Die meisten bekannten Fahrzeugleuchten sind derart ausgelegt, dass sie einen fest vorgegebenen Raumbereich ausleuchten. Die Abstrahlcharakteristik (d.h. die Lichtverteilung) ist dabei durch die Konstruktion der Leuchte fest vorgegeben. Die Leuchtstärke ist meist konstant (Ein/Aus) und unabhängig von der aktuellen Fahrsituation.The Most known vehicle lights are designed so that they illuminate a fixed space area. The radiation characteristic (i.e., the light distribution) is by the construction of the Luminaire fixed. The brightness is usually constant (on / off) and independent from the current driving situation.
Darüber hinaus sind aus dem Stand der Technik auch Fahrzeugleuchten bekannt, deren Abstrahlcharakteristik – sei es zur Leuchtweitenregulierung oder zur besseren Ausleuchtung von Kurven – verstellt werden kann. Derartige Scheinwerfer, insbesondere Frontscheinwerfer, umfassen immer mechanisch bewegliche Teile, die meist mittels Stellmotoren mechanisch verstellt werden. Sowohl die Herstellung als auch der Einbau solcher Fahrzeugleuchten ist relativ kompliziert und teuer.Furthermore Vehicle lights are known from the prior art, the Radiation characteristic - be for headlamp leveling or for better illumination of Curves - adjusted can be. Such headlights, in particular headlights, always include mechanically moving parts, most mechanically by means of servo motors be adjusted. Both the production and the installation of such Vehicle lights is relatively complicated and expensive.
Es ist daher die Aufgabe der vorliegenden Erfindung, eine Fahrzeugleuchte zu schaffen, deren Abstrahlcharakteristik oder Leuchtkraft an den tatsächlichen Fahrzustand (z.B. Kurvenfahrt, Beschleunigung bzw. Verzögerung oder Beladung) angepasst werden kann und die dabei kostengünstig und einfach herzustellen ist.It is therefore the object of the present invention, a vehicle lamp to create their emission or luminosity to the actual Driving condition (e.g., cornering, acceleration or deceleration or Loading) can be adjusted and thereby cost-effective and easy to make.
Gelöst wird diese Aufgabe gemäß der Erfindung durch die im Patentanspruch 1 angegebenen Merkmale. Weitere Ausgestaltungen der Erfindung sind Gegenstand von Unteransprüchen.Is solved this task according to the invention by the features specified in claim 1. Further embodiments The invention are the subject of subclaims.
Ein wesentlicher Gedanke der Erfindung besteht darin, eine Fahrzeugleuchte zu schaffen, die einen Sensor, insbesondere einen Drehraten- (Gyro) und/oder Beschleunigungs- und/oder Neigungssensor aufweist, der vorzugsweise im Leuchtengehäuse integriert ist und dessen Ausgangssignal von einer Elektronik ausgewertet wird. Der Sensor liefert ein Signal, aus dem der aktuelle Fahrzustand, wie z.B. Kurvenfahrt, Beschleunigung bzw. Verzögerung oder die Beladung abgeleitet werden kann. Auf Basis des Sensorsignals ist es möglich, die Leuchtstärke und/oder Abstrahlcharakteristik einer Fahrzeugleuchte – eine entsprechende Konstruktion der Leuchte vorausgesetzt – an verschiedene Fahrzustände anzupassen. Die Elektronik, die vorzugsweise ebenfalls im Leuchtengehäuse integriert ist, wertet das Sensorsignal aus und steuert die Leuchtstärke und/oder Abstrahlcharakteristik der Fahrzeugleuchte in gewünschter Weise. Die erfindungsgemäße Fahrzeugleuchte arbeitet dabei autark und muss nicht mit externen Sensoren verbunden werden.One essential idea of the invention is a vehicle lamp to provide a sensor, in particular a yaw rate (gyro) and / or Acceleration and / or inclination sensor, preferably integrated in the luminaire housing is and whose output signal is evaluated by an electronic system. The sensor provides a signal indicating the current driving condition, such as. Cornering, acceleration or deceleration or the load derived can be. Based on the sensor signal, it is possible to use the Luminosity and / or Radiation characteristic of a vehicle lamp - a corresponding construction the light required - on different driving conditions adapt. The electronics, which preferably also integrated in the luminaire housing is, evaluates the sensor signal and controls the brightness and / or Radiation characteristic of the vehicle lamp in the desired Wise. The vehicle lamp according to the invention works autonomously and does not need to be connected to external sensors become.
Die Leuchtstärke kann grundsätzlich durch einen Betrieb der Leuchtmittel bei unterschiedlicher Leistung bzw. durch Hinzu- oder Abschalten von Leuchtmitteln variiert werden. Die Abstrahlcharakteristik wird erfindungsgemäß durch Hinzu- und Abschalten von Leuchtmitteln verändert.The luminosity can basically by operation of the bulbs at different power or be varied by adding or switching off bulbs. The emission is inventively by adding and switching off changed by bulbs.
Eine erfindungsgemäße Fahrzeugleuchte mit integriertem Beschleunigungs- oder Neigungssensor bietet eine Reihe von Anwendungsmöglichkeiten, die im Folgenden auszugsweise näher erläutert werden:A inventive vehicle lamp with built-in accelerometer or tilt sensor offers a range of application possibilities, in the following extracts explained become:
1) Fahrzeugleuchten mit variabler Leuchtstärke (ohne Veränderung der Abstrahlcharakteristik)1) vehicle lights with variable brightness (without change the radiation characteristic)
Eine mögliche Applikation ist beispielsweise eine Bremsleuchte mit mehreren separat ansteuerbaren Leuchtmitteln. Die einzelnen Leuchtmittel sind dabei so verschaltet, dass sie in Abhängigkeit von der Beschleunigung bzw. Verzögerung des Fahrzeugs separat hinzu- oder abgeschaltet werden können. Bei einem Bremsvorgang mit hohen Verzögerungen können beispielsweise mehr Leuchtmittel aktiviert werden als bei geringeren Verzögerungen. Alternativ oder zusätzlich könnte auch die Helligkeit einzelner Leuchtmittel variiert werden. Die Leuchtstärke der Bremsleuchte ist damit ein Maß für die Verzögerung des Fahrzeugs. Nachfolgende Fahrer können somit auf die Stärke eines Bremsvorgangs hingewiesen werden.A possible Application is for example a brake light with several separately controllable bulbs. The individual bulbs are here so interconnected that they are dependent from the acceleration or deceleration the vehicle can be added separately or switched off. at a braking process with high delays, for example, more bulbs be activated as with lower delays. Alternatively or additionally could also the brightness of individual lamps can be varied. The luminosity of Brake light is thus a measure of the delay of the Vehicle. Subsequent drivers can thus on the strength be notified of a braking operation.
Eine andere Applikation betrifft eine Fahrzeug-Bremsleuchte, die bereits aktiviert wird, wenn der Fahrer vom Gas geht, also noch bevor der Fahrer die Betriebsbremse betätigt. Hierzu wertet die Elektronik das Sensorsignal aus und führt einen Schwellenwertvergleich durch. Wenn die Längsbeschleunigung bzw. Verzögerung einen vorgegebenen Schwellenwert überschreitet, der auf ein ruckartiges vom-Gas-gehen hinweist, wird die Bremsleuchte (wenigstens teilweise) aktiviert. Durch die frühzeitige Aktivierung der Bremsleuchte erhalten nachfolgende Verkehrsteilnehmer früher eine Information über einen möglicherweise bevorstehenden Bremsvorgang und können dadurch früher reagieren.Another application relates to a vehicle brake light, which is already activated when the driver is off the gas, so even before the driver operates the service brake. For this purpose, the electronics evaluate the sensor signal and perform a threshold comparison. If the longitudinal acceleration or deceleration exceeds a predetermined threshold indicative of a jerky off-going gas, the brake light is (at least partially) activated. By the early Activation of the brake light gives subsequent road users earlier information about a possibly imminent braking process and can react earlier.
Zusätzlich zu dieser Vorwarn-Funktion kann vorgesehen sein, dass bei geringeren Verzögerungen nur eine kleine Gruppe von Leuchtmitteln aktiviert oder wenigstens ein Leuchtmittel mit geringer Leistung betrieben wird. Mit zunehmender Negativbeschleunigung können dann weitere Leuchtmittel-Module zugeschaltet und/oder bereits aktive Module mit höherer Leistung betrieben werden.In addition to This pre-warning function can be provided that at lower delays only a small group of bulbs activated or at least a light bulb is operated at low power. With increasing Negative acceleration can then switched on further lamp modules and / or already active Modules with higher Power to be operated.
Eine erfindungsgemäße Bremsleuchte muss nicht unbedingt mit einem Bremsen-Sensor, üblicherweise dem Bremslichtschalter, verbunden sein, sondern kann autark arbeiten. Wenn zusätzlich ein Bremsen-Sensor in den Steuerkreis der Bremsleuchte mit einbezogen wird, kann jedoch die Sicherheit weiter erhöht werden.A brake light according to the invention not necessarily with a brake sensor, usually the brake light switch, be connected, but can work independently. If in addition a brake sensor can be included in the control circuit of the brake light, however the safety further increased become.
2) Fahrzeugleuchten mit variabler Abstrahlcharakteristik2) vehicle lights with variable emission characteristic
Eine erste Applikation betrifft eine Fahrzeugleuchte mit automatischer Niveauregulierung, insbesondere für den Einsatz als Frontscheinwerfer. Die Fahrzeugleuchte umfasst mehrere Leuchtmittel-Module, die separat voneinander ansteuerbar sind. Jedes Leuchtmittel-Modul umfasst ein oder mehrere Leuchtmittel, die auf einem Leuchtmittelträger angeordnet sind. Die Leuchtmittel können jeweils eigene Reflektoren aufweisen, haben aber vorzugsweise einen einzigen gemeinsamen Reflektor.A first application concerns a vehicle lamp with automatic Level control, especially for use as headlamps. The vehicle light includes several bulb modules, which are separate can be controlled from each other. Each bulb module includes a or more bulbs arranged on a light carrier are. The bulbs can each have their own reflectors, but preferably have one single common reflector.
Bei Betrieb des Fahrzeugs werden die Leuchtmittel-Module in Abhängigkeit von der Neigung des Fahrzeugs zu- oder abgeschaltet. Die Neigung des Fahrzeugs wird dabei von einem Neigungssensor gemessen. Die Fahrzeugleuchte ist derart konstruiert, dass verschiedene Leuchtmittel-Module unterschiedliche Bereiche in einem vertikalen Raumwinkelbereich ausleuchten. Durch selektive Auswahl von Leuchtmitteln in Abhängigkeit vom Neigungswinkel des Fahrzeugs ist es möglich, eine Niveauregulierung durch einfaches Zu- oder Abschalten von Leuchtmitteln zu bewirken. Voraussetzung für diese Art der Leuchtweitenregulierung ist natürlich, dass die Fahrzeugleuchte mehr Leuchtmittel-Module umfasst als im Betrieb aktiv sind.at Operation of the vehicle, the lighting modules are dependent switched on or off by the inclination of the vehicle. The inclination The vehicle is measured by a tilt sensor. The Vehicle light is designed so that different light sources modules different Illuminate areas in a vertical solid angle area. By selective selection of lamps depending on the angle of inclination of the vehicle it is possible a level control by simply switching on or off of bulbs to effect. requirement for Of course, this type of headlamp leveling is the vehicle light more illuminant modules than are active during operation.
Eine zweite Applikation betrifft eine Fahrzeugleuchte mit automatischem Kurvenlicht. Wenn die Leuchtmittel-Module der vorstehend beschriebenen Fahrzeugleuchte derart angeordnet sind, dass ein variabler horizontaler Raumwinkelbereich ausleuchtbar ist, kann in ähnlicher Weise ein Kurvenlicht realisiert werden. Die notwendige Kurveninformation erhält die Steuerelektronik aufgrund der Wankneigung, der zunehmenden Querbeschleunigung oder der Drehrate bzw. Drehbeschleunigung des Fahrzeugs von einem entsprechenden Sensor. Bei Kurvenfahrt wird dann wieder eine geeignete Teilmenge der Leuchtmittel ausgewählt bzw. andere Leuchtmittel hinzugeschaltet.A second application relates to a vehicle lamp with automatic Headlights. When the lighting modules of the above-described Vehicle lamp are arranged such that a variable horizontal Solid angle range is illuminated, a cornering light can be realized in a similar manner become. The necessary curve information receives the control electronics due the tendency to roll, the increasing lateral acceleration or the rotation rate or spin of the vehicle from a corresponding sensor. When cornering is then again a suitable subset of the bulbs selected or other bulbs added.
Die erfindungsgemäße Fahrzeugleuchte umfasst vorzugsweise keinerlei bewegliche mechanische Elemente.The vehicle lamp according to the invention preferably does not comprise any moving mechanical elements.
Als Leuchtmittel werden vorzugsweise LEDs eingesetzt.When Bulbs are preferably LEDs used.
Die Fahrzeugleuchte umfasst vorzugsweise einen oder mehrere Reflektoren. Gemäß einer speziellen Ausführungsform der Erfindung ist ein einziger Reflektor für alle Leuchtmittel vorgesehen. Wahlweise könnte aber auch jedem einzelnen Leuchtmittel ein eigener Reflektor zugeordnet sein. Für bestimmte Applikationen wäre ein Betrieb ohne Reflektor ebenfalls denkbar.The Vehicle light preferably comprises one or more reflectors. According to one special embodiment The invention provides a single reflector for all lamps. Optionally, could but also associated with each illuminant own reflector be. For certain applications would be Operation without a reflector is also conceivable.
Die
Leuchtmittel sind vorzugsweise alle auf einem gemeinsamen Leuchtmittelträger, wie
vorzugsweise einer Leiterplatte, angeordnet. Der erfindungsgemäße Sensor
ist vorzugsweise ebenfalls auf dem Leuchtmittelträger angeordnet.
Der Sensor ist vorzugsweise in der Lage, die Nick- und/oder Wankneigung
und/oder Längs-
und/oder Querbeschleunigung und/oder Drehrate und/oder Drehbeschleunigung
des Fahrzeugs zu messen. Als Neigungs-, Drehraten- bzw. Beschleunigungssensor
wird vorzugsweise ein Sensor verwendet, wie er beispielsweise aus
der
Die Leuchtmittel der Fahrzeugleuchte können unterschiedliche Farben haben. Dadurch wird es z.B. möglich, zwischen Bremsen und Beschleunigen zu differenzieren.The Illuminants of the vehicle light can be different colors to have. Thereby it becomes e.g. possible, to differentiate between braking and accelerating.
Die Erfindung wird nachstehend anhand der beigefügten Zeichnungen beispielhaft näher erläutert. Es zeigen:The Invention will be exemplified below with reference to the accompanying drawings explained in more detail. It demonstrate:
Die
Fahrzeugleuchte umfasst ferner einen Beschleunigungssensor
Die
dargestellte Fahrzeugleuchte kann beispielsweise als Bremsleuchte
verwendet werden, die aktiviert wird, wenn der Fahrer vom Gas geht,
also noch bevor der Fahrer die Betriebsbremse betätigt. In diesem
Fall wird ein Teil der LEDs
Die Bremsleuchte kann völlig autark arbeiten und muss nicht mit dem Bremslichtschalter verbunden sein. Alternativ könnte die Bremsleuchte auch mit dem Bremslichtschalter verbunden sein und – wie bisher üblich – bei Betätigung der Betriebsbremse aktiviert werden. Durch die Berücksichtigung der Bremsbetätigung in einem zweiten, redundanten Steuerkreis, kann die Sicherheit weiter erhöht werden.The Brake light can completely work independently and does not need to be connected to the brake light switch be. Alternatively could the brake light also be connected to the brake light switch and - as usual - when pressing the Service brake be activated. By considering the brake actuation in a second, redundant control circuit, the safety can continue elevated become.
Alternativ
könnte
die dargestellte Bremsleuchte auch derart betrieben werden, dass
die Helligkeit der LED-Module
Die
Rückleuchte
ist hier derart ausgelegt, dass sowohl positive als auch negative
Beschleunigungen angezeigt werden. Mit den LEDs
Im
Falle einer Niveauregulierung werden die LEDs derart ausgewählt, dass
unabhängig
vom Neigungswinkel (Nickwinkel) des Fahrzeugs immer derselbe Raumbereich
ausgeleuchtet wird. Im Falle eines Kurvenlichts werden die LEDs
Im
dargestellten Ausführungsbeispiel
wandert das Feld
Die
Fahrzeugneigung wird hier allein durch eine Verschiebung des Ortes
der Lichterzeugung kompensiert und bedarf keiner Veränderung
irgendwelcher mechanischen Elemente. Der Reflektor
- 1010
- Fahrzeugleuchtevehicle light
- 1111
- Leiterplattecircuit board
- 1212
- LEDsLEDs
- 1313
- Sensorsensor
- 1414
- Auswerte- und Steuerelektronikevaluation and control electronics
- 1515
- Strom-Versorgungs-SteckerElectric supply plug
- 1616
- Leuchtmittel-ModuleLight source modules
- 1717
- Reflektorreflector
- 18, 18'18 18 '
- Leuchtfeldlight field
- 1919
- Lichtkegellight cone
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005043058A DE102005043058A1 (en) | 2005-08-24 | 2005-09-09 | Lamp e.g. front headlamp, for motor vehicle, has evaluation and control electronic unit, which controls luminous intensity and radiation characteristics of illuminants based on signal output from sensor |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005040103.1 | 2005-08-24 | ||
DE102005040103 | 2005-08-24 | ||
DE102005043058A DE102005043058A1 (en) | 2005-08-24 | 2005-09-09 | Lamp e.g. front headlamp, for motor vehicle, has evaluation and control electronic unit, which controls luminous intensity and radiation characteristics of illuminants based on signal output from sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005043058A1 true DE102005043058A1 (en) | 2007-03-01 |
Family
ID=37715647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102005043058A Ceased DE102005043058A1 (en) | 2005-08-24 | 2005-09-09 | Lamp e.g. front headlamp, for motor vehicle, has evaluation and control electronic unit, which controls luminous intensity and radiation characteristics of illuminants based on signal output from sensor |
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DE (1) | DE102005043058A1 (en) |
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WO2008007085A2 (en) * | 2006-07-12 | 2008-01-17 | Brakesafe Ltd | Device for detecting deceleration in automotive vehicles |
WO2010094567A1 (en) * | 2009-02-23 | 2010-08-26 | Osram Gesellschaft mit beschränkter Haftung | Lighting device having a semiconductor light source and at least one sensor |
EP2407345A1 (en) * | 2010-07-16 | 2012-01-18 | Long Jing International Technology Enterprise Co., Ltd. | Adjustable headlight assembly |
DE102010047376A1 (en) * | 2010-10-05 | 2012-04-05 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | Automotive headlamp |
WO2013011258A1 (en) * | 2011-07-15 | 2013-01-24 | Stephen Loynes | Velocity indicator system |
WO2013186437A1 (en) * | 2012-06-12 | 2013-12-19 | Urpo Tiirola | Method and device for indicating a change in the state of motion |
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WO2017211832A1 (en) * | 2016-06-10 | 2017-12-14 | Christoph Greiner | Motor vehicle |
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WO2018091529A1 (en) * | 2016-11-16 | 2018-05-24 | Automotive Lighting Reutlingen Gmbh | Method for adjusting the angular position of the optical axis of a headlamp of a motor vehicle, and illumination device of the motor vehicle |
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DE102018209061A1 (en) * | 2018-06-07 | 2019-12-12 | Osram Gmbh | OPTICAL ARRANGEMENT FOR A VEHICLE, HEADLAMP, VEHICLE AND METHOD FOR THE OPTICAL ARRANGEMENT |
WO2020108761A1 (en) * | 2018-11-29 | 2020-06-04 | HELLA GmbH & Co. KGaA | Headlamp for a vehicle, vehicle with a headlamp and method of driving a headlamp |
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EP3279035A1 (en) * | 2016-08-02 | 2018-02-07 | HELLA GmbH & Co. KGaA | Headlamp for vehicles and adjustment method |
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EP3558750A4 (en) * | 2016-12-22 | 2020-07-29 | 2948-4292 Quebec Inc. | Adaptive light beam unit and use of same |
EP3363685A1 (en) * | 2017-02-21 | 2018-08-22 | odelo GmbH | Vehicle light and method for its operation |
DE102017005019A1 (en) | 2017-05-26 | 2018-11-29 | Daimler Ag | Lighting device and method for its operation |
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WO2020108761A1 (en) * | 2018-11-29 | 2020-06-04 | HELLA GmbH & Co. KGaA | Headlamp for a vehicle, vehicle with a headlamp and method of driving a headlamp |
DE102021113138A1 (en) | 2021-05-20 | 2022-11-24 | Marelli Automotive Lighting Reutlingen (Germany) GmbH | Motor vehicle headlight, system of several such motor vehicle headlights and motor vehicle with such a system of several motor vehicle headlights |
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