DE102016006039A1 - Cleaning device of a sensor module - Google Patents
Cleaning device of a sensor module Download PDFInfo
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- DE102016006039A1 DE102016006039A1 DE102016006039.5A DE102016006039A DE102016006039A1 DE 102016006039 A1 DE102016006039 A1 DE 102016006039A1 DE 102016006039 A DE102016006039 A DE 102016006039A DE 102016006039 A1 DE102016006039 A1 DE 102016006039A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/56—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens
- B60S1/566—Cleaning windscreens, windows or optical devices specially adapted for cleaning other parts or devices than front windows or windscreens including wiping devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
- G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/04—Wipers or the like, e.g. scrapers
- B60S1/0411—Wipers or the like, e.g. scrapers the windscreens, windows or optical devices being movable with respect to fixed wipers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
- B60S1/481—Liquid supply therefor the operation of at least part of the liquid supply being controlled by electric means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/497—Means for monitoring or calibrating
- G01S2007/4975—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen
- G01S2007/4977—Means for monitoring or calibrating of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen including means to prevent or remove the obstruction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52004—Means for monitoring or calibrating
- G01S2007/52009—Means for monitoring or calibrating of sensor obstruction, e.g. dirt- or ice-coating
- G01S2007/52011—Means for monitoring or calibrating of sensor obstruction, e.g. dirt- or ice-coating including means to prevent or remove the obstruction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2013/9327—Sensor installation details
- G01S2013/93273—Sensor installation details on the top of the vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4039—Means for monitoring or calibrating of parts of a radar system of sensor or antenna obstruction, e.g. dirt- or ice-coating
- G01S7/4043—Means for monitoring or calibrating of parts of a radar system of sensor or antenna obstruction, e.g. dirt- or ice-coating including means to prevent or remove the obstruction
Abstract
Die Erfindung betrifft eine Reinigungseinrichtung (22) eines Sensormoduls (12) eines autonom gesteuerten Kraftwagens (10), mit zumindest zwei Sensoren (14, 16, 18, 20), welche mittels einer jeweils zugeordneten Schutzvorrichtung (44, 46, 48) vor Umwelteinflüssen geschützt sind, welchen eine jeweilige Reinigungseinheit (24, 26) zum Reinigen der jeweiligen Schutzvorrichtung (44, 46, 48) zugeordnet ist, wobei das Sensormodul (12) eine Datenverarbeitungseinrichtung (30), welche die jeweilige Reinigungseinheit (24, 26) steuert, und ein Reinigungsmodul (28), welches Reinigungsmittel für die jeweilige Reinigungseinheit (24, 26) bereitstellt, aufweist.The invention relates to a cleaning device (22) of a sensor module (12) of an autonomously controlled motor vehicle (10), comprising at least two sensors (14, 16, 18, 20) which are protected from environmental influences by means of a respective associated protective device (44, 46, 48) which a respective cleaning unit (24, 26) is assigned for cleaning the respective protection device (44, 46, 48), wherein the sensor module (12) controls a data processing device (30) which controls the respective cleaning unit (24, 26), and a cleaning module (28) which provides cleaning means for the respective cleaning unit (24, 26).
Description
Die Erfindung betrifft eine Reinigungseinrichtung eines Sensormoduls, insbesondere eines Kraftwagens, gemäß dem Oberbegriff von Patentanspruch 1.The invention relates to a cleaning device of a sensor module, in particular of a motor vehicle, according to the preamble of patent claim 1.
Das Reinigen von einigen Sensoren ist bereits aus der
Die
Aufgabe der vorliegenden Erfindung ist es, eine Reinigungseinrichtung für ein Sensormodul bereitzustellen, an welchem zumindest zwei Sensoren angeordnet sind, sodass die Reinigungseinrichtung besonders effizient betrieben werden kann und die Reliabilität des Sensormoduls in vorteilhafter Weise gesteigert wird.The object of the present invention is to provide a cleaning device for a sensor module, on which at least two sensors are arranged, so that the cleaning device can be operated particularly efficiently and the reliability of the sensor module is increased in an advantageous manner.
Diese Aufgabe wird erfindungsgemäß durch eine Reinigungseinrichtung eines Sensormoduls mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen Weiterbildungen der Erfindung sind in den übrigen Ansprüchen angegeben.This object is achieved by a cleaning device of a sensor module with the features of claim 1. Advantageous embodiments with expedient developments of the invention are specified in the remaining claims.
Um eine Reinigungseinrichtung eines Sensormoduls der im Oberbegriff des Patentanspruchs 1 angegebenen Art derart weiterzuentwickeln, dass das Sensormodul besonders effizient betrieben werden kann und die Reliabilität des Sensormoduls erhöht werden kann, ist es erfindungsgemäß vorgesehen, dass das Sensormodul eine Datenverarbeitungseinrichtung aufweist, welche die jeweilige Reinigungseinheit steuert. Weiterhin erfindungsgemäß ist es, wenn das Sensormodul ein Reinigungsmodul aufweist, welches Reinigungsmittel für die jeweilige Reinigungseinheit bereitstellt. In vorteilhafter Weise ist das Sensormodul so ausgebildet, dass dieses an dafür standardisierte Fahrzeuge anordenbar ist. Vorzugsweise können Kraftwagen mit solchen Sensormodulen in urbanen Gegenden eingesetzt werden. Besonders bei einem autonom gesteuerten Kraftwagen, welcher eine Information über eine Umgebung des Kraftwagens mittels Sensoren ermittelt, muss eine hohe Verfügbarkeit, auch bei schlechtem Wetter, der Sensoren beziehungsweise der Sensordaten gewährleistet werden. Durch das Anordnen der Sensoren in einem Sensormodul können in dem Sensormodul eine Datenverarbeitungseinrichtung sowie ein Reinigungsmodul angeordnet werden, wodurch die Reinigungseinheiten der jeweiligen Sensoren gesteuert werden können und gleichzeitig Reinigungsmittel für die jeweilige Reinigungseinheit bereitgestellt werden. Dies hat den Vorteil, dass ein Reinigungskonzept zentral von der Datenverarbeitungseinrichtung gesteuert werden kann, sowie das Bereitstellen des Reinigungsmittels für die mehreren Sensoren durch ein zentrales Reinigungsmodul bereitgestellt werden kann.In order to further develop a cleaning device of a sensor module specified in the preamble of patent claim 1 such that the sensor module can be operated particularly efficiently and the reliability of the sensor module can be increased, it is provided according to the invention that the sensor module has a data processing device which controls the respective cleaning unit , Furthermore, it is according to the invention if the sensor module has a cleaning module which provides cleaning agent for the respective cleaning unit. Advantageously, the sensor module is designed so that this can be arranged on standardized vehicles. Preferably, cars can be used with such sensor modules in urban areas. Particularly in an autonomously controlled motor vehicle, which detects information about an environment of the motor vehicle by means of sensors, a high availability, even in bad weather, the sensors or the sensor data must be guaranteed. By arranging the sensors in a sensor module, a data processing device and a cleaning module can be arranged in the sensor module, whereby the cleaning units of the respective sensors can be controlled and at the same time cleaning agents for the respective cleaning unit are provided. This has the advantage that a cleaning concept can be controlled centrally by the data processing device, and provision of the cleaning agent for the plurality of sensors can be provided by a central cleaning module.
Bei dem erfindungsgemäßen Gedanken ist es ebenfalls möglich, wenn zusätzlich zu dem Reinigungsmittel ein Auffangbehälter für Schmutz bereitgestellt wird. Bei dem Reinigungsmittel kann es sich beispielsweise um eine Reinigungsflüssigkeit beziehungsweise um druckluftgesteuerte Reinigungssysteme oder auch um Schwungscheiben handeln, bei denen durch Drehkräfte Schmutz von der Schutzvorrichtung entfernt wird. Durch das zentrale Reinigungsmodul kann regelmäßig die Reinigungsflüssigkeit nachgefüllt werden und der zentrale Schmutzbehälter entsprechend geleert, beziehungsweise mittels einer Verklappung nach außen ist der Schmutzbehälter leerbar.In the case of the inventive concept, it is likewise possible if, in addition to the cleaning agent, a collecting container for dirt is provided. The cleaning agent may be, for example, a cleaning fluid or air-controlled cleaning systems or flywheels in which dirt is removed from the protective device by rotational forces. Through the central cleaning module, the cleaning liquid can be refilled regularly and the central dirt container emptied accordingly, or by means of a dumping to the outside of the dirt container is emptied.
In einer vorteilhaften Ausgestaltungsform kann zumindest einer der zwei Sensoren eine Kamera, eine Infrarotkamera, ein Infrarotsensor, ein Lidarsensor, ein Radarsensor oder ein Ultraschallsensor sein. Bei diesen Sensoren handelt es sich um bereits aus dem Serienfahrzeugbau bekannte Sensoren. Des Weiteren haben sich diese Sensoren beim autonomen Steuern eines Kraftwagens bereits etabliert, sodass besonders kostengünstig eine hohe Zuverlässigkeit der Sensoren realisiert werden kann.In an advantageous embodiment, at least one of the two sensors can be a camera, an infrared camera, an infrared sensor, a lidar sensor, a radar sensor or an ultrasound sensor. These sensors are already known from the production of series sensors sensors. Furthermore, these sensors have already established themselves in the autonomous control of a motor vehicle, so that a high reliability of the sensors can be realized particularly cost-effectively.
Als besonders vorteilhaft hat es sich erwiesen, wenn an der Reinigungseinheit ein Heizelement angeordnet ist. Mittels des Heizelementes kann besonders in der kalten Jahreszeit eine Enteisung der jeweiligen Schutzvorrichtung durchgeführt werden. Des Weiteren kann bei optischen Sensoreinheiten eine durch Dampf nicht mehr durchsehbare Scheibe mittels des Heizelementes von den Dampfablagerungen befreit werden. Diese Enteisung beziehungsweise die Entfernung der Dampfablagerungen kann zu einer Verbesserung der Umweltdatenaufnahme führen und kann somit zur Sicherheit eines autonom gesteuerten Kraftwagens beitragen.It has proved to be particularly advantageous if a heating element is arranged on the cleaning unit. By means of the heating element, a de-icing of the respective protective device can be carried out, especially in the cold season. Furthermore, in the case of optical sensor units, a disk which is no longer visible through steam can be freed from the vapor deposits by means of the heating element. This deicing or the removal of the vapor deposits can Improve environmental data collection and thus contribute to the safety of an autonomously controlled motor vehicle.
In einer weiteren vorteilhaften Ausgestaltungsform kann die Heizenergie des Heizelementes mittels Heizdrähten elektrisch und/oder mittels einer Abwärme der Datenverarbeitungseinrichtung zugeführt werden. Der Verbau von Heizdrähten ist bereits aus dem Serienfahrzeugbau bekannt, insbesondere die Beheizung einer Heckscheibe mittels Heizdrähten. Das Beheizen der Heizdrähte erfolgt hierbei mittels elektrischer Energie, welche wiederum durch den elektrischen Widerstand des Heizdrahtes in Wärmeenergie umgewandelt wird. Die Heizdrähte sind dabei, insbesondere in einer Glasfläche, eingebaut und geben vorzugsweise bei einer Eigenerwärmung Wärmeenergie an die entsprechend angeordnete Scheibe ab, sodass diese enteist werden kann beziehungsweise von Dampfpartikel befreit werden kann. Die Heizdrähte sind vorzugsweise sehr dünn ausgebildet, sodass es zu keiner Beeinträchtigung der Optik kommen kann. Ebenfalls möglich ist, wenn die Abwärme der Datenverarbeitungseinrichtung des Sensormoduls zur Beheizung der Schutzvorrichtung der Sensoren genutzt wird. Hierbei ist es vorteilhaft, dass eine zentrale Datenverarbeitungseinrichtung, welche insbesondere durch eine eigene Rechenleistung Wärme produziert, zentral diese über ein Abwärmesystem im Sensormodul an die einzelnen Schutzvorrichtungen der Sensoren übertragen kann. Durch diese Ausgestaltungsform der Erfindung ist es auf einfache Weise möglich, eine Enteisung beziehungsweise eine Befreiung von Dampfpartikeln auf den Schutzvorrichtungen der Sensoren durchzuführen.In a further advantageous embodiment, the heating energy of the heating element can be supplied by means of heating wires electrically and / or by means of a waste heat of the data processing device. The construction of heating wires is already known from mass-produced vehicles, in particular the heating of a rear window by means of heating wires. The heating of the heating wires takes place here by means of electrical energy, which in turn is converted by the electrical resistance of the heating wire into heat energy. The heating wires are incorporated, in particular in a glass surface, and preferably give off at a self-heating heat energy to the correspondingly arranged disc, so that they can be deiced or can be freed of vapor particles. The heating wires are preferably made very thin, so that there can be no impairment of the optics. It is also possible if the waste heat of the data processing device of the sensor module is used to heat the protective device of the sensors. In this case, it is advantageous that a central data processing device, which produces heat in particular by its own computing power, can centrally transmit it to the individual protective devices of the sensors via a waste heat system in the sensor module. This embodiment of the invention makes it possible in a simple manner to carry out a de-icing or a release of vapor particles on the protective devices of the sensors.
In einer weiteren vorteilhaften Ausgestaltungsform kann die Datenverarbeitungseinrichtung eine Schnittstelle mit einem Leitrechner zum autonomen Fahren des Kraftwagens aufweisen und über diese Schnittstelle Daten, insbesondere Daten der zumindest zwei Sensoren, austauschen. Mittels dieser Schnittstelle ist es auf einfache Weise möglich, das Sensormodul mit verschiedenen Kraftwagen zu koppeln. Der Leitrechner kann dabei Daten des Sensormoduls beziehungsweise der zumindest zwei Sensoren verarbeiten und diese Daten können beispielsweise zum autonomen Fahren des Kraftwagens herangezogen werden. Somit kann eine hohe Kompatibilität zwischen einem Kraftwagen und dem Sensormodul gewährleistet werden.In a further advantageous embodiment, the data processing device can have an interface with a master computer for the autonomous driving of the motor vehicle and exchange data, in particular data of the at least two sensors, via this interface. By means of this interface, it is possible in a simple manner to couple the sensor module with different cars. The master computer can process data of the sensor module or of the at least two sensors, and this data can be used, for example, for the autonomous driving of the motor vehicle. Thus, a high compatibility between a motor vehicle and the sensor module can be ensured.
Es hat sich als vorteilhaft erwiesen, wenn die Schutzvorrichtung beweglich gelagert ist und mittels einer Antriebseinrichtung relativ zu einem feststehenden Wischelement einer Wischeinheit bewegbar ist. Durch eine derartige Schutzvorrichtung kann die Position und Orientierung des Sensors, insbesondere einer Kamera, flexibel an jeweils diesbezügliche Bedürfnisse angepasst werden. Überdies wird eine Anordnung ermöglicht, bei welcher die Reinigungseinheit aus einer Umgebung des Kraftwagens nicht sichtbar ist. Dies kann zu einer optischen Aufwertung des Sensormoduls beziehungsweise des Kraftwagens führen.It has proven to be advantageous if the protective device is movably mounted and by means of a drive device is movable relative to a fixed wiper element of a wiper unit. By such a protection device, the position and orientation of the sensor, in particular a camera, can be flexibly adapted to respective needs in this regard. Moreover, an arrangement is made possible in which the cleaning unit is not visible from an environment of the motor vehicle. This can lead to an optical enhancement of the sensor module or of the motor vehicle.
In einer weiteren vorteilhaften Ausgestaltungsform ist die Schutzvorrichtung mittels des Wischelementes nur außerhalb eines Erfassungsbereiches des Sensors reinigbar. Insbesondere bei einer Kamera kann diese Anordnung dazu führen, dass weiterhin Licht aus der Umgebung des Kraftwagens in die Kamera dringen kann und nur außerhalb der Kamerascheibe die Schutzvorrichtung reinigbar ist. Der Durchsichtbereich ist der Bereich der Kamerascheibe, welcher zwischen einem Objektiv der Kamera und der Umgebung der Kamera vor dem Objektiv angeordnet ist, sodass lediglich das Licht, welches den Durchsichtbereich der Kamera passiert hat, von der Kamera erfasst und ausgewertet wird. Diese Ausgestaltungsform hat den Vorteil, dass das Reinigen der Schutzvorrichtung, insbesondere der Kamerascheibe, nicht zu einer vorübergehenden Okklusion des Durchsichtbereichs führt und damit den Betrieb des Sensors, insbesondere der Kamera, beeinträchtigt. Es werden also die Messdaten eines Sensors hinter der Schutzvorrichtung durch den Reinigungsvorgang der Schutzvorrichtung nicht beeinflusst, was die Reliabilität des Sensors erhöhen kann.In a further advantageous embodiment, the protective device can be cleaned by means of the wiping element only outside a detection range of the sensor. In particular, with a camera, this arrangement may cause that further light from the environment of the motor vehicle can penetrate into the camera and only outside the camera plate, the protection device can be cleaned. The see-through area is the area of the camera screen which is arranged between a lens of the camera and the surroundings of the camera in front of the lens, so that only the light which has passed through the viewing area of the camera is detected and evaluated by the camera. This embodiment has the advantage that the cleaning of the protective device, in particular the camera disc, does not lead to a temporary occlusion of the viewing area and thus impairs the operation of the sensor, in particular of the camera. Thus, the measurement data of a sensor behind the protection device is not affected by the cleaning process of the protection device, which can increase the reliability of the sensor.
In einer weiteren vorteilhaften Ausgestaltungsform kann die Schutzvorrichtung mittels der Antriebseinheit translatorisch in einer Ebene der Schutzvorrichtung bewegt werden. Die Schutzvorrichtung, die insbesondere eine Kamerascheibe ist, kann sich also relativ zu dem feststehenden Wischelement der Wischeinheit hin und her bewegen, sodass durch das Wischelement die Schutzvorrichtung, insbesondere die Kamerascheibe, gereinigt wird. Dies hat den Vorteil, dass eine Schutzvorrichtung verwendet werden kann, welche senkrecht zu einer Translationsrichtung besonders kompakt ausgeführt werden kann, sodass die Schutzvorrichtung in dieser Richtung nur wenig Bauraum benötigt.In a further advantageous embodiment, the protective device can be moved translationally in a plane of the protective device by means of the drive unit. The protective device, which is in particular a camera disk, can thus move back and forth relative to the stationary wiper element of the wiper unit, so that the protective device, in particular the camera disk, is cleaned by the wiper element. This has the advantage that a protective device can be used which can be made particularly compact perpendicular to a direction of translation, so that the protective device requires only little installation space in this direction.
In einer weiteren Ausführungsform ist vorgesehen, dass die Schutzvorrichtung, insbesondere eine Kamerascheibe, mittels der Antriebseinheit rotatorisch bewegbar ist. Insbesondere kann diese eine gleichmäßige Rotation in eine vorgegebene Richtung sein. Dies hat den Vorteil, dass die Schutzvorrichtung in einer Ebene senkrecht zu der Rotationsachse in zwei zueinander senkrecht stehenden Richtungen ähnlich viel Platz benötigt. Zudem werden so, wenn es sich um eine gleichmäßige Rotation in eine vorgegebene Richtung handelt, durch die Bewegung geringe mechanische Anforderungen an die Antriebseinheit gestellt, sodass die Schutzvorrichtung günstig und wartungsarm bewegt werden kann. Eine hohe Rotationsgeschwindigkeit führt außerdem automatisch zu einem Reinigungseffekt über in diesem Fall auftretende Fliehkräfte. Wenn die Bewegung der Scheibe lediglich in eine Rotationsrichtung erfolgt, ist zudem, unabhängig von den Abmessungen, nur ein einziges feststehendes Wischelement erforderlich.In a further embodiment it is provided that the protective device, in particular a camera disc, is rotatably movable by means of the drive unit. In particular, this may be a uniform rotation in a given direction. This has the advantage that the protection device in a plane perpendicular to the axis of rotation in two mutually perpendicular directions requires a similar amount of space. In addition, if it is a uniform rotation in a predetermined direction, made by the movement low mechanical demands on the drive unit, so that the protective device can be moved low and low maintenance. A high rotational speed also automatically leads to a cleaning effect on centrifugal forces occurring in this case. In addition, if the movement of the disk takes place only in a direction of rotation, only a single fixed wiper element is required, regardless of the dimensions.
In dieser Erfindung wird weiterhin ausdrücklich auf die Offenbarung der
Es hat sich weiterhin als vorteilhaft erwiesen, wenn das Sensormodul ein dachgestütztes Sensormodul ist. Durch die Anordnung des Sensormoduls auf dem Dach wird in vorteilhafter Weise die Möglichkeit zur verbesserten Umgebungsdatenaufnahme erhöht. Die Anordnung an ein Dach ermöglicht eine Rundumsicht um den Kraftwagen, ohne dass eventuelle weitere Bauteile des Kraftwagens in den Erfassungsbereich der unterschiedlichen Sensoren des Sensormoduls angeordnet sind.It has also proved to be advantageous if the sensor module is a roof-mounted sensor module. The arrangement of the sensor module on the roof advantageously increases the possibility of improved environmental data recording. The arrangement of a roof allows for all-round visibility around the car, without any further components of the motor vehicle are arranged in the detection range of the different sensors of the sensor module.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels sowie anhand der Zeichnung. Die vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar, ohne den Rahmen der Erfindung zu verlassen.Further advantages, features and details of the invention will become apparent from the following description of a preferred embodiment and from the drawing. The features and feature combinations mentioned above in the description as well as the features and feature combinations mentioned below in the description of the figures and / or shown alone in the figures can be used not only in the respectively specified combination but also in other combinations or in isolation, without the scope of To leave invention.
Dabei zeigen:Showing:
In den Figuren sind gleiche oder funktionsgleiche Elemente mit gleichen Bezugszeichen versehen.In the figures, identical or functionally identical elements are provided with the same reference numerals.
An der Vorderseite
Auf der in Hauptfahrrichtung
Die Reinigungseinrichtung
Die Datenverarbeitungseinrichtung
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1010
- Kraftwagenmotor vehicle
- 1111
- HauptfahrrichtungMain direction of travel
- 1212
- Sensormodulsensor module
- 1414
- Kameracamera
- 1616
- Ultraschallsensorultrasonic sensor
- 1818
- Lidarsensorlidar
- 2020
- Radarsensorradar sensor
- 2222
- Reinigungseinrichtungcleaning device
- 2424
- optische Reinigungseinheitoptical cleaning unit
- 2626
- alternative Reinigungseinheitalternative cleaning unit
- 2828
- Reinigungsmodulcleaning module
- 3030
- DatenverarbeitungseinrichtungData processing device
- 3232
- Steuerungseinrichtungcontrol device
- 3434
- Behälter für ReinigungsflüssigkeitContainer for cleaning fluid
- 3636
- Filterfilter
- 3838
- Schmutzsammlersoil collector
- 4040
- Transportsystem für ReinigungsflüssigkeitTransport system for cleaning fluid
- 4242
- GlasGlass
- 4444
- radartaugliche AbdeckungRadartaugliche cover
- 4646
- infrarotdurchlässiges Glasinfrared transparent glass
- 4848
- schalldurchlässige Abdeckungsoundproof cover
- 5050
- Vorderseitefront
- 5252
- rechte Seiteright side
- 5454
- linke Seiteleft side
- 5656
- Rückseiteback
- 5858
- Erfassungsbereichdetection range
- 6060
- rotatorische Bewegungrotational movement
- 6262
- Wischelementwiping element
- 6464
- Antriebseinheitdrive unit
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
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Claims (10)
Priority Applications (1)
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DE102016006039.5A DE102016006039A1 (en) | 2016-05-18 | 2016-05-18 | Cleaning device of a sensor module |
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DE102016006039.5A DE102016006039A1 (en) | 2016-05-18 | 2016-05-18 | Cleaning device of a sensor module |
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DE102016006039A1 true DE102016006039A1 (en) | 2016-11-17 |
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DE102016006039.5A Withdrawn DE102016006039A1 (en) | 2016-05-18 | 2016-05-18 | Cleaning device of a sensor module |
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