WO2021018492A1 - Composant à monter dans la zone extérieure d'un véhicule - Google Patents

Composant à monter dans la zone extérieure d'un véhicule Download PDF

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Publication number
WO2021018492A1
WO2021018492A1 PCT/EP2020/068195 EP2020068195W WO2021018492A1 WO 2021018492 A1 WO2021018492 A1 WO 2021018492A1 EP 2020068195 W EP2020068195 W EP 2020068195W WO 2021018492 A1 WO2021018492 A1 WO 2021018492A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
component
acoustic sensor
mirror
acoustic
Prior art date
Application number
PCT/EP2020/068195
Other languages
German (de)
English (en)
Inventor
Viktor Rack
Germar Triftshaeuser
Original Assignee
Bayerische Motoren Werke Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke Aktiengesellschaft filed Critical Bayerische Motoren Werke Aktiengesellschaft
Publication of WO2021018492A1 publication Critical patent/WO2021018492A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0247—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for microphones or earphones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1223—Mirror assemblies combined with other articles, e.g. clocks with sensors or transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

Definitions

  • the present disclosure relates to a component for assembly in an exterior area of a vehicle and to a vehicle with at least one such component.
  • the present disclosure relates in particular to the detection of sound in an area outside the vehicle.
  • Automated driving can be done with different degrees of automation. Exemplary degrees of automation are assisted, partially automated, highly automated or fully automated driving. These degrees of automation were defined by the Federal Highway Research Institute (BASt) (see BASt publication “Research compact”, edition 11/2012). For example, the level 4 vehicles are fully autonomous in city operation.
  • BASt Federal Highway Research Institute
  • the driver assistance system for automated driving uses sensors that perceive the environment on a visual basis, both in the area that is visible to humans and that is invisible.
  • the sensors can be, for example, a camera, a radar and / or a LiDAR.
  • these are the main signal sources for driver assistance systems for automated driving.
  • it is sometimes not possible to detect invisible or hidden sources of danger in good time.
  • a component for assembly in an exterior area of a vehicle includes an exterior portion configured to form part of an exterior appearance of the vehicle; and at least one acoustic sensor, the at least one acoustic sensor being shielded from the outside in at least one spatial direction by the outer section when the component is mounted on the vehicle.
  • the outer section shields the at least one sensor in at least one spatial direction, so that external circumstances, such as snow, ice, rain, sun, etc., have no influence on an acoustic detection of the environment.
  • the at least one acoustic sensor which can be part of an autonomous network of microphones, is cleverly positioned and integrated in the vehicle exterior. The position of the at least one acoustic sensor is selected in particular so that undesired environmental noises have as little influence as possible and / or the at least one acoustic sensor cannot be optically recognized or identified in order to prevent possible manipulation.
  • a sensor system which can include cameras, radars and / or a LiDAR system, can be expanded by the acoustic system according to the invention for perception of the surroundings.
  • recognition algorithms can be improved by merging from a further independent source and thus the algorithms of the automated driving functions can be made more reliable.
  • the term “outside” means that no direct view of the at least one acoustic sensor from the at least one spatial direction is possible.
  • the outer section of the component is arranged between the at least one acoustic sensor and the outside environment of the vehicle, so that the at least one acoustic sensor is not exposed to the outside with respect to the at least one spatial direction.
  • the term “exterior of a vehicle” is to be understood in contrast to the interior or interior of the vehicle.
  • the at least one acoustic sensor is not arranged in the interior area or interior of the vehicle but in the exterior area.
  • the at least one acoustic sensor is preferably a microphone.
  • a microphone is understood to be a sound transducer that converts airborne sound as alternating sound pressure oscillations into corresponding electrical voltage changes (“detection signal”).
  • detection signal electrical voltage changes
  • the present disclosure is not limited to microphones, and other types of acoustic sensors can be used.
  • the at least one spatial direction is preferably a horizontal direction and / or a vertical direction and / or a direction of travel of the vehicle.
  • the at least one acoustic sensor can be shielded from external influences that generally come from a certain direction, such as from the front. In this case, the at least one acoustic sensor can be shielded in a forward direction of travel.
  • the horizontal direction can be a lateral direction with respect to the vehicle, and in particular a direction directed to the left and / or right with respect to a forward direction of travel of the vehicle.
  • the at least one acoustic sensor can be shielded to the left and / or to the right.
  • the vertical direction may be an upward or downward direction with respect to the vehicle.
  • the at least one acoustic sensor can be shielded from below and / or from above.
  • the term “horizontal” is to be understood in contrast to "vertical”.
  • the term “horizontal” relates in particular to a horizontal shielding of the at least one acoustic sensor.
  • the vertical direction can be essentially parallel to gravity.
  • the driving direction can be a forward driving direction or a backward driving direction of the vehicle.
  • the at least one acoustic sensor can be shielded in the forward direction of travel and / or the reverse direction of travel.
  • the direction of travel can be a horizontal direction.
  • the at least one acoustic sensor is preferably set up for direction recognition.
  • a noise source can thus be localized.
  • warning signals e.g. sirens, drawbars, fanfare, etc.
  • a distinction can be made between important and unimportant information, whereby an improvement in intrinsic safety and the safety of other road users is possible.
  • the at least one outer section is preferably set up for the transmission of sound frequencies of> 1 kHz.
  • the at least one outer section can be essentially permeable to sound frequencies of> 1 kHz, so that the sound reaching the component can be detected by the at least one acoustic sensor.
  • the at least one outer portion can be made of plastic. In this way, the at least one acoustic sensor can detect sound from the outside area of the vehicle, although it is placed in a protected position.
  • the component preferably comprises a housing.
  • the housing can include the at least one outer section. Additionally or alternatively, the at least one acoustic sensor can be arranged in an interior of the housing. In some embodiments, the housing can be made of plastic.
  • the component preferably has at least one opening to the outside in order to provide an acoustic path for sound from the outside to the at least one acoustic sensor.
  • the at least one opening can for example be a drain opening of the component, from which water penetrating into the component can be drained to the outside again. Thus, no additional opening is necessary for the at least one acoustic sensor, which simplifies a manufacturing process for the component.
  • the component is preferably an exterior mirror for a vehicle.
  • the exterior mirror may include a mirror housing and a mirror.
  • the at least one acoustic sensor can be arranged between the mirror housing and the mirror.
  • the outer section can be formed by the mirror housing and / or the mirror.
  • the at least one acoustic sensor can be arranged in a protected manner.
  • a gap between an outer circumference of the mirror and the mirror housing can serve as an opening through which the sound hitting the outside mirror can penetrate into the mirror housing and reach the at least one acoustic sensor.
  • the component is preferably a roof unit or part of a roof unit for the vehicle.
  • the roof unit is selected from the group that includes or consists of a roof structure, a roof spoiler, a roof fin and an aerospoiler.
  • the roof structure can be a permanently installed roof structure of any kind.
  • the roof fin can contain one or more antennas of the vehicle.
  • the aerospoiler can influence the aerodynamics of the vehicle, for example for the purpose of stabilization at high speeds.
  • the component preferably comprises at least one lighting unit, and in particular an exterior vehicle light.
  • the at least one acoustic sensor can be arranged in or next to the at least one light unit.
  • the at least one light unit is a brake light or license plate light.
  • the brake light and / or the License plate lighting can be mounted or mountable on a tailgate of the vehicle.
  • the component can be mounted or mountable on a tailgate of the vehicle.
  • the component can comprise a lamp housing, wherein the lamp unit and the at least one acoustic sensor can be arranged, for example, next to one another in the lamp housing.
  • the lighting unit can be, for example, a conventional lamp or an LED. However, the present disclosure is not limited to this, and the lighting unit can be any lighting means that is designed to emit light on the outside of the vehicle.
  • a system for a vehicle comprises a multiplicity of components according to the embodiments of the present disclosure, wherein the multiplicity of components can be mounted distributed over the vehicle.
  • the system can provide an autonomous network of acoustic sensors that are used, for example, to control a driver assistance function for automated driving.
  • a vehicle in particular a motor vehicle, is specified.
  • the vehicle includes at least one component or the system according to the embodiments of the present disclosure.
  • vehicle includes cars, trucks, buses, mobile homes, motorcycles, etc. that are used to transport people, goods, etc.
  • the term includes motor vehicles for passenger transport.
  • the vehicle preferably includes a driver assistance function for automated driving.
  • the at least one acoustic sensor is designed to output signals that correspond to the sound detected by the at least one acoustic sensor to the driver assistance function.
  • the driver assistance function can carry out the automated driving based on the signals received from the at least one acoustic sensor.
  • automated driving can be understood as driving with automated longitudinal or lateral guidance or autonomous driving with automated longitudinal and lateral guidance.
  • the automated driving can be, for example, driving on the motorway for a longer period of time or driving for a limited time as part of parking or maneuvering.
  • automated Driving includes automated driving with any degree of automation. Exemplary degrees of automation are assisted, partially automated, highly automated or fully automated driving. These degrees of automation were defined by the Federal Highway Research Institute (BASt) (see BASt publication “Research compact”, edition 11/2012).
  • assisted driving With assisted driving, the driver continuously performs longitudinal or lateral guidance, while the system takes on the other function within certain limits.
  • TAF partially automated driving
  • the system takes over the longitudinal and lateral guidance for a certain period of time and / or in specific situations, whereby the driver has to continuously monitor the system as with assisted driving.
  • HAF highly automated driving
  • the system takes over the longitudinal and lateral guidance for a certain period of time without the driver having to monitor the system permanently; however, the driver must be able to take control of the vehicle within a certain time.
  • VAF fully automated driving
  • VAF the system can automatically cope with driving in all situations for a specific application; a driver is no longer required for this application.
  • SAE levels 1 to 4 of the SAE J3016 standard SAE - Society of Automotive Engineering
  • SAE J3016 highly automated driving (HAF) Level 3 corresponds to the SAE J3016 standard.
  • SAE J3016 provides SAE level 5 as the highest level of automation, which is not included in the definition of BASt.
  • SAE level 5 corresponds to driverless driving in which the system can automatically handle all situations like a human driver during the entire journey; a driver is generally no longer required.
  • a teleoperator can switch to the vehicle, for example.
  • the teleoperator can also record the surroundings via the acoustic sensors and thus receives additional information on the camera image.
  • ODM on demand mobility
  • a RobotTaxi can recognize a potential customer's request for a trip, especially if it works fully automatically.
  • an automated vehicle can be activated via a teleoperator, for example, if the customer speaks or telephones with it via the acoustic sensors outside the vehicle.
  • a teleoperator for example, if the customer speaks or telephones with it via the acoustic sensors outside the vehicle.
  • the present disclosure is not limited to an application in automated driving. Further possible uses are listed below.
  • Actions that are necessary for access to the vehicle can be carried out acoustically, for example by voice.
  • the language can be detected by the at least one acoustic sensor.
  • voice properties such as a voice pitch or pitch, can be used for an access authorization check of the speaker.
  • Convenience function Control of the vehicle by voice, e.g. when parking and / or exiting a parking space, entering the navigation destination before the user gets into the vehicle, etc.
  • the acoustic sensors can be used, for example, for an intercom or intercom. This can be advantageous in security vehicles, since the windows or doors do not necessarily have to be opened in order, for example, to talk to a potential hazard outside the vehicle.
  • Figure 1 schematically shows a component for a vehicle according to embodiments of the present disclosure
  • FIG. 2 schematically shows a vehicle with a plurality of acoustic sensors according to embodiments of the present disclosure
  • Figure 3 schematically shows a component that is designed as an outside mirror, according to
  • FIG. 4 schematically shows a component that is designed as a gutter according to embodiments of the present disclosure
  • Figure 5 schematically shows a component that is designed as a brake light according to
  • FIG. 6 schematically shows a component that is designed as license plate lighting, according to embodiments of the present disclosure.
  • FIG. 7 schematically shows a circuit diagram of a sensor arrangement according to embodiments of the present disclosure.
  • FIG. 1 schematically shows a component 100 for a vehicle according to embodiments of the present disclosure.
  • the component 100 includes an exterior portion 110 that is configured to form part of an exterior appearance of the vehicle; and at least one acoustic sensor 120.
  • the at least one acoustic sensor 110 is shielded from the outside in at least one spatial direction by the outer section 110 when the component 100 is mounted on the vehicle.
  • the at least one acoustic sensor 120 is shielded from the outside in two spatial directions 1 and 3 by the outer section 110.
  • the outer section 110 is between the at least one acoustic sensor 120 and the external environment of the vehicle, so that the at least one acoustic sensor 120 is not exposed to the outside and / or is not visible with respect to the at least one spatial direction.
  • the at least one acoustic sensor 120 enables the environment to be recorded acoustically.
  • an urban environment can be characterized by typical noises that warn the driver of events and require immediate attention and action.
  • the detection and interpretation of these signals are particularly advantageous for autonomous vehicles, as this additional information enables safer movement in this environment.
  • the acoustic sensors are positioned outside at suitable points on the vehicle in order to enable the best possible and distributed detection of the environment in all directions. In particular, the protected location of the acoustic sensors is given, e.g. against wind, weather, manipulation, etc.
  • the exemplary two spatial directions shown in FIG. 1 can be a forward horizontal direction 1 (e.g. a forward direction of travel) and an upward vertical direction 3.
  • a forward horizontal direction 1 e.g. a forward direction of travel
  • an upward vertical direction 3 e.g. a forward direction of travel
  • the present disclosure is not limited to this, and the at least one acoustic sensor 120 can be shielded in any suitable spatial direction by the outer section 110.
  • the at least one spatial direction is a horizontal direction 1, 2, 5, 6 (see also FIG. 2) and / or a vertical direction 3, 4 and / or a direction of travel 1, 2 of the vehicle.
  • the horizontal direction can be a lateral direction with respect to the vehicle, and in particular a direction directed to the left (reference number “5” in FIG. 2) and / or right (reference number “6” in FIG. 2) with respect to a forward direction of travel (reference number “1 “In Figure 2) of the vehicle.
  • the at least one acoustic sensor can be shielded to the left and / or to the right.
  • the vertical direction 3, 4 can be an upward direction 3 or a downward direction 4 with respect to the vehicle.
  • the at least one acoustic sensor can be shielded from below and / or from above.
  • the direction of travel can be a forward travel direction 1 or a reverse travel direction 2 of the vehicle.
  • the at least one acoustic sensor 120 can be integrated into the Forward direction of travel 1 and / or reverse direction of travel 2 must be shielded.
  • the direction of travel can be a horizontal direction.
  • the at least one outer section 110 is essentially transparent to the transmission of sound frequencies which exceed a predetermined threshold value.
  • the predetermined threshold value can be equal to or greater than 1 kHz.
  • the at least one outer section 110 can be less permeable than for sound frequencies above the predetermined threshold value.
  • the at least one acoustic sensor 120 can thus detect relevant sound from the exterior of the vehicle even though it is placed in a protected manner.
  • component 100 includes a housing.
  • the housing can include the at least one outer section 110 or form the at least one outer section 110. Additionally or alternatively, the at least one acoustic sensor 120 can be arranged in an interior of the housing.
  • the housing can be made of plastic.
  • the component 110 typically has at least one opening 130 to the outside in order to provide an acoustic path for sound from the outside to the at least one acoustic sensor 120.
  • the at least one opening 130 can, for example, be a drain opening of the component 100, from which water penetrating into the component 100 can be drained to the outside again. No additional opening is therefore necessary for the at least one acoustic sensor 120, as a result of which a manufacturing process for the component 100 is simplified.
  • the at least one acoustic sensor 120 is a microphone.
  • the present disclosure is not limited to microphones, and other types of acoustic sensors can be used.
  • the at least one acoustic sensor 120 can be set up for direction recognition.
  • a noise source can thus be localized.
  • there can be improved detection and classification of noises from the environment such as warning signals (e.g. siren, train barrier, fanfare, etc.) and other noise sources relevant to ferry operation (e.g. automated driving level> 4).
  • defects or wear parts on vehicles can be recognized by acoustic anomalies (“predictive maintenance”).
  • comfort functions in the exterior such as acoustic vehicle access, can be implemented or improved.
  • the driving characteristics driving dynamics
  • driving dynamics can be improved by recognizing the driving dynamics.
  • the condition of the road surface takes place via rolling noises.
  • FIG. 2 schematically shows a vehicle 200 with a plurality of acoustic sensors according to embodiments of the present disclosure.
  • the vehicle 200 can be a passenger vehicle.
  • the vehicle 200 may include a system with a plurality of components according to the embodiments of the present disclosure, wherein the plurality of components can be mounted distributed over the vehicle.
  • the system can provide an autonomous network of acoustic sensors that can be used, for example, to control a
  • Driver assistance function can be used for automated driving.
  • the vehicle 200 can include a driver assistance function for automated driving.
  • the at least one acoustic sensor can be set up to output signals corresponding to the sound detected by the at least one acoustic sensor to the driver assistance function.
  • the driver assistance function can carry out the automated driving based on the signals received from the at least one acoustic sensor.
  • a large number of components, each with one or more acoustic sensors, are shown at different points on vehicle 200.
  • at least one acoustic sensor can be present in at least one exterior mirror 210.
  • at least one acoustic sensor can be present in each of the two exterior mirrors 210.
  • At least one acoustic sensor can be present on a brake light 220, and in particular on a brake light 220 of the tailgate of the vehicle 200.
  • at least one can be horizontal on both sides of the brake light 220 acoustic sensor.
  • at least one acoustic sensor can only be present on one of the two sides.
  • At least one acoustic sensor can be present on or in a roof fin 230.
  • the roof fin 230 may be mounted on the roof of the vehicle 200.
  • At least one acoustic sensor can be present on a license plate light 240, and in particular on one
  • License plate light 240 of the tailgate of vehicle 200 can be provided horizontally on both sides of license plate light 240.
  • at least one acoustic sensor can only be present on one of the two sides.
  • FIG. 3 schematically shows a component that is provided as an exterior mirror 210, according to embodiments of the present disclosure.
  • the exterior mirror 210 may include a mirror housing 212 and a mirror 214.
  • the at least one acoustic sensor 120 can be arranged between the mirror housing 212 and the mirror 214.
  • Mirror housing 212 and / or the mirror 214 may be formed.
  • the at least one acoustic sensor 120 can be arranged in a protected manner.
  • a gap between an outer circumference of the mirror 214 and the mirror housing 212 can serve as an opening through which the sound hitting the exterior mirror 210 can penetrate into the mirror housing 212 and reach the at least one acoustic sensor 120.
  • the at least one acoustic sensor 120 can be integrated into the exterior mirror (s) 210 behind the mirror glasses.
  • the at least one acoustic sensor 120 is adequately protected there and nevertheless capture the environment well, since the sound can reach the at least one acoustic sensor 120.
  • FIG. 4 schematically shows a component that is provided as a gutter 230, according to embodiments of the present disclosure.
  • the gutter 230 can comprise a multiplicity of acoustic sensors 120 that are configured to detect sound from two or more different spatial directions.
  • the acoustic sensors are directed or allow directional detection of sound.
  • there is at least one acoustic sensor 210 set up or placed for lateral detection of sound eg one sensor each for detection of sound from the left and right.
  • at least one acoustic sensor 210 is set up for a rearwardly directed detection of sound, for example from a direction opposite to the forward direction of travel. This enables acoustic situations in the rear area to be recorded.
  • the present disclosure is not limited to the implementation of the acoustic sensors in the roof fin. Additionally or alternatively, at least one acoustic sensor can be integrated in another roof unit of the vehicle, such as a roof spoiler or aeroblade.
  • the roof spoiler which can be made of plastic, can protect the acoustic sensor on the inside from external influences.
  • the plastic housing is permeable to relevant frequencies, e.g. from 1 kHz. Since the roof spoiler also has drainage holes, the sound can also penetrate through these to the acoustic sensor.
  • a multiplicity of acoustic sensors can be integrated in a distributed manner in a roof structure, so that the acoustic sensors stand for themselves or are autonomous and can be evaluated against one another.
  • FIG. 5 schematically shows a component that is provided as a brake light 220, according to embodiments of the present disclosure.
  • FIG. 6 schematically shows a component that is provided as license plate light 240, according to embodiments of the present disclosure.
  • the component comprises at least one lighting unit 222, 242, and in particular an exterior vehicle light.
  • the at least one acoustic sensor 120 can be arranged in or next to the at least one light unit 222, 242.
  • the at least one light unit is a brake light 222 or a license plate light 242.
  • the brake light 222 and / or the license plate light 242 can be mounted or mountable on a tailgate of the vehicle.
  • the component can comprise a lamp housing 224, 244, wherein the lamp unit 222, 242 and the at least one acoustic sensor 120 can be arranged, for example, horizontally or vertically next to one another in the lamp housing 224, 244.
  • the lighting unit 222, 242 can for Example be a conventional lamp or an LED. However, the present disclosure is not limited to this, and the lighting unit 222, 242 can be any lighting means that is designed to emit light on the outside of the vehicle.
  • FIG. 7 schematically shows a circuit diagram of a sensor arrangement according to embodiments of the present disclosure.
  • the circuit diagram illustrates an exemplary arrangement and interconnection of acoustic sensors in the vehicle interior, in the vehicle exterior and / or in the trunk. Any suitable number of acoustic sensors can be present in the vehicle interior, in the vehicle exterior and / or in the trunk.
  • an analog connection is shown, which can be a star topology, for example.
  • a digital connection is shown that can use a line / bus topology, for example.
  • the sensor network can be connected to a bus system, for example to Ethernet, CAN, etc.
  • the outer section shields the at least one acoustic sensor in at least one spatial direction so that external circumstances, such as snow, ice, rain, sun, etc., have no influence on acoustic detection of the environment.
  • acoustic environment detection can be used as input for a central environment model.
  • cognitive abilities of a human driver can be transferred to the vehicle, so that the visual perception is expanded. This also makes it possible to improve an AI through sensor fusion with an acoustic sensor system.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un composant (100) à monter dans la zone extérieure d'un véhicule (200). Le composant comporte une partie extérieure (110) qui est conçue pour former une partie de l'aspect extérieur du véhicule; et au moins un capteur acoustique (120) qui est masqué vers l'extérieur par la partie extérieure dans au moins une direction spatiale (1-6) lorsque le composant est monté sur le véhicule.
PCT/EP2020/068195 2019-07-30 2020-06-29 Composant à monter dans la zone extérieure d'un véhicule WO2021018492A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019120597 2019-07-30
DE102019120597.2 2019-07-30

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WO2021018492A1 true WO2021018492A1 (fr) 2021-02-04

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PCT/EP2020/068195 WO2021018492A1 (fr) 2019-07-30 2020-06-29 Composant à monter dans la zone extérieure d'un véhicule

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020121027A1 (de) 2020-08-10 2022-02-10 Bayerische Motoren Werke Aktiengesellschaft Verfahren und System zum Betreiben einer Fahrerassistenzfunktion
DE102022116059A1 (de) * 2022-06-28 2023-12-28 Bayerische Motoren Werke Aktiengesellschaft Kennzeichenbeleuchtungseinrichtung zum Beleuchten eines Kennzeichens eines Kraftfahrzeugs, Anordnung sowie Verfahren

Citations (5)

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