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WO2018104032A1 - Capteur à ultrasons pour un véhicule automobile à élément de couplage acoustique, système de capteurs à ultrasons, véhicule automobile et procédé - Google Patents

Capteur à ultrasons pour un véhicule automobile à élément de couplage acoustique, système de capteurs à ultrasons, véhicule automobile et procédé Download PDF

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Publication number
WO2018104032A1
WO2018104032A1 PCT/EP2017/079627 EP2017079627W WO2018104032A1 WO 2018104032 A1 WO2018104032 A1 WO 2018104032A1 EP 2017079627 W EP2017079627 W EP 2017079627W WO 2018104032 A1 WO2018104032 A1 WO 2018104032A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic sensor
membrane
coupling element
motor vehicle
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2017/079627
Other languages
German (de)
English (en)
Inventor
Uwe Kupfernagel
Wolfgang Hamm
Felix Haering
Marian ROEGER
Hans-Wilhelm Wehling
Joerg Weyland
Ceren OEZAYDIN
Natalie BARTHEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Schalter und Sensoren GmbH
Original Assignee
Valeo Schalter und Sensoren GmbH
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 Valeo Schalter und Sensoren GmbH filed Critical Valeo Schalter und Sensoren GmbH
Publication of WO2018104032A1 publication Critical patent/WO2018104032A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
    • G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area

Definitions

  • Ultrasonic sensor for a motor vehicle with an acoustic coupling element Ultrasonic sensor arrangement, ultrasonic sensor arrangement, motor vehicle and method
  • the invention relates to an ultrasonic sensor for a motor vehicle, which is designed for concealed installation on a trim part of the motor vehicle, and to an ultrasonic sensor arrangement for a motor vehicle, with a trim part. Furthermore, the invention relates to a motor vehicle with an ultrasonic sensor arrangement and to a method for producing an ultrasonic sensor for concealed installation on a trim part of a motor vehicle.
  • the ultrasonic sensors can be installed, for example, in a front area or in a rear area of the motor vehicle, in particular on a bumper of the motor vehicle.
  • the environmental information acquired by the ultrasonic sensors may be provided to a driver assistance system, for example a parking assistance system, a blind spot monitoring system or a brake assist system.
  • DE 10 2008 016 558 A1 discloses an assembly with a bumper and an ultrasonic sensor.
  • the membrane of the ultrasonic sensor is connected to the inside of the bumper.
  • the membrane of the ultrasonic sensor is glued to the inside of the bumper.
  • the membrane of the ultrasonic sensor is conveniently connected directly and over the entire surface with the inside of the bumper.
  • EP 2 660 627 B1 discloses an ultrasonic sensor arrangement comprising a planar vehicle component and an ultrasonic sensor, wherein the
  • Ultrasonic sensor includes a membrane that is detachable with the flat
  • the flat vehicle component comprises an acoustic coupling plate, which on the Ultrasonic sensor adjacent and contacted the membrane punctiform, wherein the acoustic coupling plate has a survey, which is the membrane of the
  • Ultrasonic sensor contacted at the point at which the amplitude of the oscillations is maximum.
  • EP 0 507 892 B1 discloses an ultrasonic transducer with a diaphragm which can be excited to vibrate and which is surrounded by an annular housing, on which at least one piezoelectric vibrator is arranged, and whose vibration characteristic (ultrasonic lobe) is influenced in predetermined directions.
  • the membrane has different thicknesses, wherein the thinner layer is approximately rectangular
  • the piezoelectric vibrator is arranged in the region of the thinner layer.
  • Object of the present invention is an ultrasonic sensor for a motor vehicle, which for concealed installation on a trim part of the motor vehicle
  • Ultrasonic sensor is improved.
  • Ultrasonic sensor arrangement a motor vehicle with an ultrasonic sensor arrangement and a method having the features according to the independent claims solved.
  • An inventive ultrasonic sensor for a motor vehicle which is designed for concealed installation on a trim part of the motor vehicle, has a vibratory membrane for emitting and / or receiving
  • a planar acoustic coupling element is arranged on the membrane.
  • the coupling element is designed for the acoustic coupling of the ultrasonic sensor with the covering part at the concealed position and for influencing the emission characteristic of the membrane.
  • An essential idea of the invention can be seen in that a surface shape of the coupling element is adapted to a surface shape of a radiating surface of the membrane.
  • the surface shape which is referred to below as the surface geometry has the advantage that, in particular in a membrane, which has an asymmetric membrane and thus a corresponding asymmetric radiation characteristic, the coupling element is also formed asymmetrically.
  • the coupling element can be adapted to an internal geometry of a transducer, by which in particular the emission surface is defined, which in particular can be a piezo-transducer. It is also possible that the radiating a
  • Thin wall region of the membrane corresponds, wherein the thin wall region is particularly adapted to the internal geometry of the transducer. This can ensure that a maximum in-phase energy is transmitted and a uniform radiation characteristic and a minimized energy input is delivered to the trim part of the motor vehicle. Thus, overall the emission characteristic of the concealed ultrasonic sensor can be improved.
  • the thin wall region is particularly adapted to the internal geometry of the transducer.
  • the emission characteristic may be, for example, a sound pressure of the ultrasonic sensor, a decay frequency, a settling time, plate vibrations and detection ranges, in particular the shape of the sound lobe, of the ultrasonic sensor.
  • the ultrasonic sensor has an outer housing, which surrounds the membrane at least partially.
  • the ultrasonic sensor can be protected from environmental influences, such as water or dirt, by the outer housing.
  • the ultrasonic sensor can have a coupling point, by means of which in particular an electrical connection with, for example, a control unit of the motor vehicle, can be produced.
  • the ultrasound sensor, in particular the membrane is essentially circular or cylindrical.
  • the coupling element can be arranged on an outer side of a membrane bottom of a cup-shaped membrane.
  • a flat contact with the trim part of the motor vehicle can be made possible via the cup-shaped membrane of the ultrasonic sensor.
  • a front side of the membrane of a rear side of the trim panel is flat.
  • the ultrasonic sensor is applied.
  • the ultrasonic sensor can be arranged on the back of the trim part, so that the front of the
  • Mounting cover rests at least partially on the back of the trim panel and on the back of the mounting lid, the front of the membrane and a
  • the front side of the ultrasonic sensor is formed by the front of the mounting lid and / or the front of the ultrasonic sensor includes this front of the mounting lid.
  • Such an embodiment of the ultrasonic sensor with the front of the subsequent ultrasonic sensor covering cover has the advantage that the
  • Fairing part is suitable because only the front-side mounting lid must be adapted to adapt the ultrasonic sensor to the respective shape of the trim part.
  • the membrane may have a thin wall region and a thick wall region, and the surface geometry of the coupling element may be adapted to the surface geometry of the thin wall region, in particular the coupling element has the same surface geometry as the
  • the thin-wall region is formed asymmetrically about the longitudinal axis of the membrane. This is a specific, especially asymmetric
  • the converter is arranged on an inner side of the thin-wall region. Due to the training form of the membrane with a
  • Thick wall area and a thin wall area can cause a specific and especially concealed built-in ultrasonic sensors an improved radiation characteristics become.
  • This also has the advantage that such a membrane can be produced very inexpensively in the extrusion process.
  • an improved emission characteristic in particular with respect to the ultrasonic lobe, can thus be provided. Strong attenuation ranges can thus be eliminated, so that the ultrasonic sensor has almost the same sensitivity in the horizontal in a range of about 180 °.
  • the surface geometry of the coupling element is adapted to the surface geometry of the thin-wall region. Therefore, these surface geometries have the same shape and are in particular the same size in their surface dimensions.
  • the surface geometry of the coupling element is formed aft-shaped. This may be particularly advantageous if the thin-wall region is formed aft-shaped.
  • Embodiment of the thin wall region can be achieved that the membrane oscillates with substantially the same amplitude.
  • a radiation characteristic leads to detection areas without undesired detection gaps.
  • the emission characteristic Due to the design of the coupling element in the surface geometry of the thin-wall region, that is to say in the shape of a figure of eight, the emission characteristic can thus be further improved or specified. This also leads to a maximum in-phase energy transfer and thus a uniform emission and a minimum energy input into the
  • the surface geometry of the coupling element may be formed rectangular. This has proven to be advantageous, in particular, when the ultrasonic sensor is an ultrasonic sensor with a so-called slot diaphragm.
  • the oblong membrane of the thin wall region of the membrane is rectangular and adapted in particular according to the circular shape of the membrane on the sides.
  • Forming the coupling element according to the surface geometry as a rectangular shape can thus be provided in a simple manner, a simple to produce coupling element, which essentially to the surface geometry of
  • Thin wall region of the membrane is adapted, whereby the radiation characteristic can be further improved.
  • the surface geometry is designed to have two opposing parallel rectilinear edges and two connecting the rectilinear edges and respectively having convex further edges.
  • Coupling element can be better adapted to the surface geometry of the thin-wall region of the membrane, whereby the emission characteristics of the ultrasonic sensor is again positively influenced.
  • the coupling element is designed as an adhesive pad.
  • the coupling element is designed as a pure coupling pad, and is formed without adhesive effect and thus does not self-adhesive.
  • the surface geometry of the coupling element is contiguous and comprehensive.
  • the coupling element is integrally formed.
  • the coupling element is holistic in its surface and has no recesses or holes.
  • the coupling element has a homogeneous thickness.
  • the radiation characteristic of the ultrasonic sensor, in particular the membrane is locally negatively influenced.
  • the invention likewise relates to an ultrasound sensor arrangement for a motor vehicle, having a trim part and at least one ultrasound sensor according to one of the preceding claims, wherein the at least one ultrasound sensor is arranged on a rear side of the trim part, wherein the oscillatable diaphragm of the ultrasound sensor is connected via an outer side of the diaphragm by means of the coupling element is coupled to the back of the trim part, and the ultrasonic sensor for emitting and / or receiving ultrasonic signals through the trim part is arranged therethrough.
  • a trim part can be provided with the ultrasonic sensor, which can not be arranged visible on the motor vehicle and thus contribute to an optical enhancement of the ultrasonic sensor.
  • the covering part on the back can have a, in particular concave, recess into which the ultrasonic sensor extends.
  • the depression Through the depression, it can be ensured that less energy is lost within the trim part, since the material thickness at the point at which the ultrasonic sensor is arranged on the trim part of the motor vehicle is made thinner and thus the damping effect of
  • a maximum thickness of the trim part in the region of the depression is between 2.8 mm and 3.2 mm, preferably 3 mm. This maximum thickness is in particular directly next to the depression. This basically corresponds to a standard wall thickness of a bumper or of another trim part of the motor vehicle, so that the trim part does not have to be extensively reconfigured. Overall, the cowling remains stable.
  • the minimum thickness of the trim part in the region of the depression can be between 1.8 mm and 2.2 mm, preferably 2 mm.
  • Such a locally thinned layer thickness in the trim part does not impair the trim part, in particular its stability.
  • the layer thickness can also be a particularly low-loss emission and / or reception of
  • Ultrasonic signals are realized by the ultrasonic sensor.
  • the ultrasonic sensor may comprise at least one holding element, by means of which the ultrasonic sensor may be arranged on the trim part of the motor vehicle.
  • the holding element may in particular be arranged on the outer housing of the ultrasonic sensor.
  • the trim part may be a bumper.
  • a motor vehicle according to the invention comprises an ultrasonic sensor arrangement according to the invention.
  • the motor vehicle is in particular a
  • the motor vehicle has in particular a driver assistance system, for example a parking assistance system, which detects the emitted and / or received ultrasound signals of the ultrasound sensor for monitoring a
  • the invention also relates to a method for producing an ultrasonic sensor for concealed installation on a trim part of a motor vehicle.
  • the method is an ultrasonic sensor with a vibrating diaphragm for
  • Emitting and / or receiving ultrasound signals Emitting and / or receiving ultrasound signals.
  • Geometry of the membrane is given a radiation characteristic for the ultrasonic signals, wherein on the membrane, a planar, acoustic coupling element is arranged, which for the acoustic coupling of the ultrasonic sensor with the cowling at the concealed position and through which the
  • Radiation characteristic of the membrane is affected.
  • An essential idea of the method is that the coupling element is formed asymmetrically in its surface geometry in the circumferential direction about a longitudinal axis of the membrane.
  • Ultrasonic sensor arrangement presented preferred embodiments and their advantages apply correspondingly for the motor vehicle according to the invention and for the inventive method.
  • Ultrasonic sensor arrangement on the motor vehicle and at one then before the
  • Fig. 1 is a schematic representation of an exploded view of a
  • Fig. 2 is a schematic cross-sectional view of an embodiment of a
  • Fig. 3 is a schematic front view of an inventive
  • FIG. 4 shows a further schematic side view of an embodiment of an ultrasonic sensor according to the invention.
  • FIG. 5 is a schematic cross-sectional view of an embodiment of an ultrasonic sensor arrangement according to the invention.
  • Fig. 1 is an exploded view of an ultrasonic sensor assembly 1 for a motor vehicle, in particular a passenger car shown.
  • This comprises an ultrasonic sensor 2, which can be fastened in a non-destructively releasable manner in a receiving part 3 of a holder 4, in particular latched.
  • two locking elements 5 are formed, which are for locking in corresponding locking tabs 6, 7 of a Receiving shaft 8 of the integrally formed from plastic receiving part 3 are provided.
  • the receiving part 3 further comprises a base 9, which is cylindrical and has a larger diameter than the receiving shaft 8.
  • a latching receptacle 1 1 is also formed, in which a locking element 12 of a disc-shaped and circular mounting lid 13 can latch.
  • the mounting lid 13 is integrally formed of plastic and connected by the latching with the receiving part 3 and non-destructive and reversibly releasably connected thereto.
  • the holder 4 is formed in two parts.
  • Installation situations are made possible on a trim part of the motor vehicle.
  • the ultrasonic sensor arrangement 1 in the exemplary embodiment also includes a
  • Stiffening element 14 which is designed as a ring.
  • the stiffening element 14 is formed as a separate component and, for example, made of ceramic.
  • Stiffening element 14 serves on the one hand for damping the vibration transmission to the trim part on the other hand, it serves to limit the signal radiation of the ultrasonic sensor. 2
  • the mounting lid 13 On its rear side 15 facing the ultrasonic sensor 2, the mounting lid 13 has a depression 16, which is bounded on the circumference by a web 17 on which the detent element 12 and also further detent elements are designed for latching to the receiving part 3. When installed, the extends
  • the mounting cover 13 has, on its rear side 15 facing the ultrasonic sensor 2, a bottom of the recess 16, which is formed on the one hand by a flat circular central surface region 18 and a receiving region 19 adjoining radially outward with a contact surface 20 for the abutment of the stiffening element 14 ,
  • Stiffening element 14, back 15, recess 16, web 17, surface area 18, receiving area 19 and contact surface 20 are optional for the invention and are merely listed in order to understand the operation of the
  • FIG. 2 shows a schematic cross-sectional view of an ultrasonic sensor arrangement 1 only with partial components.
  • the ultrasonic sensor 2 is arranged on a trim part, which can be in particular a bumper 21 of a motor vehicle.
  • the ultrasonic sensor 2 in this case has a cup-shaped membrane M.
  • the cup-shaped membrane M has a thick wall region 22 and a thin wall region 23.
  • the thin-wall region 23 and the thick-wall region 22 are arranged perpendicular to a longitudinal axis L of the membrane on the membrane M, wherein the wall thicknesses of the
  • Thick wall portion 22 and the thin wall portion 23 extend from an inner side Mi of the membrane M in the direction of the longitudinal axis L.
  • a converter 24 is arranged in the thin-wall region 23, which can be in particular a piezoelectric element.
  • the converter 24 when driven by an AC signal, causes the diaphragm M to be deformed in accordance with the frequency of the driving voltage, thereby generating vibrations.
  • the transducer 24 may in particular be glued centrally on the membrane M. With a suitable choice of the dimensions of the transducer 24, for example one third of the membrane diameter, the membrane M will vibrate in the central region in antiphase to the adjacent regions.
  • the ultrasound lobe radiated by the ultrasonic sensor 2 arises, in particular, from the superimposition of the three
  • Vibrational centers emanating spherical waves.
  • a strong main lobe is formed in the forward direction, which results from constructive interference of the two in-phase oscillating side regions.
  • Constructive interference is also present when the path difference of the two partial waves is an integer multiple of the wavelength ⁇ , which can lead to side lobes. If the path difference in particular h / 2, then destructive interference, (extinction) occurs, causing
  • the membrane M at least partially surround the membrane M, in particular be cylindrical and at least partially comprises the membrane M, which is formed reinforced on two opposite sides.
  • the membrane M On the outside Ma of the membrane M, in particular of the membrane base, is at the position of the
  • the surface shape, which is also referred to as surface geometry, of the coupling element 25 and the thin-wall region 23 are connected to the surface shape of a
  • the emission surface may in particular correspond to an internal geometry of the transducer 24 or the thin-wall region 23.
  • the ultrasonic sensor 2 is located with its membrane M, by means of
  • the Koppelement 25 directly to a rear side 21 a of the bumper 21 of the motor vehicle.
  • the correspondingly generated sound waves can be transmitted via the membrane M, and via the coupling element 25 directly to the bumper 21, in which case the sound waves can be sent to an environment of the motor vehicle.
  • the acoustic coupling element 25 thereby causes sound waves can be better transmitted to the bumper 21.
  • the emission characteristic of the ultrasonic sensor arrangement 1 can be improved and influenced individually.
  • by adapting the acoustic coupling element 25 to an asymmetrical shape of the membrane M it is possible to prevent unwanted in-phase energy from being introduced into the bumper 21. This can cause unwanted sidelobes in the
  • Radiation characteristic can be realized thereby.
  • FIG. 3 shows a schematic front view of the ultrasonic sensor 2.
  • the front view in the longitudinal axis L is perpendicular to the plane of the figure as
  • the ultrasonic sensor 2 has, in particular, the cylindrical housing 26, and an elongated further coupled to the housing 26, in which, for example, the electrical contacts for coupling to a driver assistance / parking assistance system.
  • the membrane M On the membrane M is that
  • Coupling element 25 is arranged, which may be formed in particular as an adhesive pad.
  • the coupling element 25 is rectangular.
  • the rectangular shape of the coupling element 25 is particularly advantageous in this embodiment, since the underlying, not shown transducer 24 in the thin wall portion 23 of the membrane M on the inside Mi is also rectangular.
  • the coupling element 25 as a rectangular shape has two
  • the coupling element 25 can be continuous and comprehensive.
  • the coupling element 25 is furthermore formed in one piece, so that the coupling element has no depressions or incisions.
  • the coupling element 25 is designed to be identical in its thickness in the direction of the longitudinal axis L in its entire surface geometry.
  • FIG. 4 shows the ultrasonic sensor 2 from FIG. 3 in a side view.
  • the coupling element 25 is asymmetrically formed, in particular in the direction of rotation about the longitudinal axis L of the membrane M.
  • the locking elements 5 are shown in Fig. 4.
  • FIG. 5 shows a further schematic sectional view of an example of a built-in ultrasonic sensor 2, at least in partial components.
  • the ultrasonic sensor 2 extends into a recess 28 of the bumper 21, which is formed on the rear side 21 a of the bumper 21 into it.
  • damping rings 29 are arranged in a circle around the ultrasonic sensor.
  • the bumper 21 prevents.
  • the bumper 21 has, in particular, a wall thickness of 3 mm in a region 27 which is thicker compared to the recess 28. In the recess 28, the bumper 21 may in particular have a wall thickness of 2mm.
  • Recess 28 may be trapezoidal or in particular concave in section.
  • the ultrasonic sensor 2 is connected here in particular via holding elements 30 to the bumper 21 baufest.
  • the holding elements 30 can, for example, with the
  • Locking elements 5 are connected. Furthermore, it is possible that the holding element 30 at the end, where they are connected to the ultrasonic sensor 2 via
  • Damping elements 31 have.
  • the damping elements 31 can be provided in particular for reducing vibrations of the ultrasonic sensor 2 to the bumper 21 or preventing vibrations of the bumper 21 against the ultrasonic sensor 2. Furthermore, it can be provided, in particular, that the membrane M with the thick-wall region 22 and the thin-wall region 23 as well as the coupling element 25 coupled thereto extends into the depression 28.
  • the surface geometry of the coupling element 25 is adapted to the emission characteristic of the membrane M.
  • the surface geometry of the coupling element 25 is adapted to the surface geometry of the thin-wall region 23 and thus corresponds to this surface geometry, in particular also in the surface size.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

L'invention concerne un capteur à ultrasons (2) pour un véhicule automobile, lequel est destiné à l'installation dissimulée sur une partie de revêtement (21) du véhicule automobile, et lequel comporte une membrane (M) oscillante pour l'émission et/ou la réception de signaux à ultrasons, une caractéristique de rayonnement pour les signaux à ultrasons étant définie par la géométrie de la membrane (M), et un élément de couplage (25) acoustique plat étant agencé sur la membrane (M), ce dernier étant destiné à coupler acoustiquement le capteur à ultrasons (2) à la partie de revêtement (21) à la position d'installation dissimulée et à influencer la caractéristique de rayonnement de la membrane (M), une forme plate de l'élément de couplage (25) correspondant à une forme plate d'une surface de rayonnement de la membrane (M).
PCT/EP2017/079627 2016-12-05 2017-11-17 Capteur à ultrasons pour un véhicule automobile à élément de couplage acoustique, système de capteurs à ultrasons, véhicule automobile et procédé Ceased WO2018104032A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016123414.1 2016-12-05
DE102016123414.1A DE102016123414A1 (de) 2016-12-05 2016-12-05 Ultraschallsensor für ein Kraftfahrzeug mit einem akustischen Koppelelement, Ultraschallsensoranordnung, Kraftfahrzeug und Verfahren

Publications (1)

Publication Number Publication Date
WO2018104032A1 true WO2018104032A1 (fr) 2018-06-14

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PCT/EP2017/079627 Ceased WO2018104032A1 (fr) 2016-12-05 2017-11-17 Capteur à ultrasons pour un véhicule automobile à élément de couplage acoustique, système de capteurs à ultrasons, véhicule automobile et procédé

Country Status (2)

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DE (1) DE102016123414A1 (fr)
WO (1) WO2018104032A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507892B1 (fr) 1990-08-04 1996-10-09 Robert Bosch Gmbh Transducteur ultrasonore
DE102006034997A1 (de) * 2005-08-01 2007-02-08 Denso Corp., Kariya Ultraschallgegenstanderfassungsvorrichtung
DE102008016558A1 (de) 2008-04-01 2009-10-08 Hella Kgaa Hueck & Co. Baugruppe mit einem Stoßfänger und einem Ultraschallsensor
DE112010005166T5 (de) * 2010-01-21 2012-10-31 Mitsubishi Electric Corporation Ultraschallwellensensor und Verfahren zum Anbringen eines Ultraschallwellensensors
DE102011105047A1 (de) * 2011-06-20 2012-12-20 Valeo Schalter Und Sensoren Gmbh Ultraschallsensorvorrichtung für ein Fahrzeug sowie Anordnung mit einer derartigen Ultraschallsensorvorrichtung und einem Verkleidungsteil
EP2660627B1 (fr) 2012-04-30 2014-11-05 Robert Bosch Gmbh Ensemble de détection comprenant un composant de véhicule plat et un capteur à ultrasons

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0507892B1 (fr) 1990-08-04 1996-10-09 Robert Bosch Gmbh Transducteur ultrasonore
DE102006034997A1 (de) * 2005-08-01 2007-02-08 Denso Corp., Kariya Ultraschallgegenstanderfassungsvorrichtung
DE102008016558A1 (de) 2008-04-01 2009-10-08 Hella Kgaa Hueck & Co. Baugruppe mit einem Stoßfänger und einem Ultraschallsensor
DE112010005166T5 (de) * 2010-01-21 2012-10-31 Mitsubishi Electric Corporation Ultraschallwellensensor und Verfahren zum Anbringen eines Ultraschallwellensensors
DE102011105047A1 (de) * 2011-06-20 2012-12-20 Valeo Schalter Und Sensoren Gmbh Ultraschallsensorvorrichtung für ein Fahrzeug sowie Anordnung mit einer derartigen Ultraschallsensorvorrichtung und einem Verkleidungsteil
EP2660627B1 (fr) 2012-04-30 2014-11-05 Robert Bosch Gmbh Ensemble de détection comprenant un composant de véhicule plat et un capteur à ultrasons

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