EP3443359A1 - Capteur de vitesse de rotation de roue et système de fixation pour le montage d'un capteur de vitesse de rotation de roue - Google Patents

Capteur de vitesse de rotation de roue et système de fixation pour le montage d'un capteur de vitesse de rotation de roue

Info

Publication number
EP3443359A1
EP3443359A1 EP17713661.1A EP17713661A EP3443359A1 EP 3443359 A1 EP3443359 A1 EP 3443359A1 EP 17713661 A EP17713661 A EP 17713661A EP 3443359 A1 EP3443359 A1 EP 3443359A1
Authority
EP
European Patent Office
Prior art keywords
wheel speed
speed sensor
sensor element
wheel
carrier
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
EP17713661.1A
Other languages
German (de)
English (en)
Inventor
Ralf ENDRES
Stephan Jonas
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.)
Continental Automotive Technologies GmbH
Original Assignee
Continental Teves AG and Co OHG
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 Continental Teves AG and Co OHG filed Critical Continental Teves AG and Co OHG
Publication of EP3443359A1 publication Critical patent/EP3443359A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/02—Housings
    • G01P1/026—Housings for speed measuring devices, e.g. pulse generator
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2451—Incremental encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices

Definitions

  • the present invention relates to the field of sensor technology in the field of drive technology for vehicles.
  • the invention relates to a wheel speed sensor for mounting on a vehicle axle.
  • Control units of safety systems such as anti-lock braking systems (ABS) or Electronic Stability Controls (ESP). From these signals information such as a single wheel speed or a wheel speed of a wheel of the vehicle as well as a vehicle speed can be determined. Most are each
  • the detection principle of a wheel speed is generally based on the evaluation of a magnetic signal of a fixedly connected to a wheel axle encoder wheel by a
  • the signal of the wheel speed sensor is via a
  • Wheel speed sensor is highly automated driving.
  • safety systems such as ABS and ESP must be designed to be redundant, thus ensuring a failure of a safety system is that until the intervention of the driver in the driving situation and beyond the failure of the safety system does not affect the behavior of the vehicle.
  • Equipping vehicles with a redundant set of wheel speed sensors per wheel is complicated and difficult with conventional wheel speed sensors, however, since two mounting positions must be provided for each wheel speed sensor on the independent wheel, which is usually hampered by the lack of suitable Verbmaschine tone.
  • both wheel speed sensors must be positioned correctly and as identical as possible to the encoder wheel in order to provide identical signals as possible, which, however, further complicates the mounting of the redundant wheel speed sensors on the wheel.
  • the sensor systems and sensor elements presented below can be of various types.
  • the individual elements described may be realized by hardware and / or software components, for example electronic components that can be manufactured by different technologies and include, for example, semiconductor chips, ASICs, microprocessors, digital signal processors, integrated electrical circuits, electro-optical circuits and / or passive components.
  • the solution presented below is based on a
  • Speed sensor with two sensor elements, each of which can be electrically contacted separately.
  • the design can be done in a compact housing as possible.
  • the invention relates to a
  • Wheel speed sensor for mounting on a vehicle axle, with a sensor housing, and a cable carrier, which in the
  • Sensor housing is arranged, wherein the line carrier has a first surface and a second surface facing away from the first surface, wherein a first
  • Wheel speed sensor element is arranged for detecting first physical quantities on the first surface of the cable carrier, and a second wheel speed sensor element for detecting second physical quantities is arranged on the second surface of the cable carrier.
  • Such a wheel speed sensor corresponds to the
  • Safety requirements of autonomous driving as it includes two wheel speed sensor elements, one of which can act as a redundant sensor. Further, it is due to the two-sided arrangement of the wheel speed sensor elements on the line carrier, in particular on a leadframe, constructed sufficiently compact so that it occupies little more space than a system with a single wheel speed sensor element and thus can be easily attached to the vehicle axle of a vehicle.
  • the wheel speed sensor elements are configured to detect the physical measured variables on the basis of an alternating magnetic field of a magnetic read track, wherein the magnetic read track is formed by a sensor wheel, which is arranged on the vehicle axle.
  • Multipole include in which magnets are used with changing polarity.
  • the surface of the multipole ring remote from the axis may comprise or form the read track.
  • the multipole ring may be inserted in a sealing ring of a wheel bearing of the vehicle.
  • Wheel speed sensor elements of the wheel speed sensor are of the wheel speed sensor
  • the physical quantities may include measures that, when passing portions of the read track with alternating magnetic
  • This alternating signal can be from an electronics in the
  • Wheel speed sensor elements for example, an ASIC
  • a measurement signal in particular a digital measurement signal to be converted.
  • the transmission of the measurement signal to the control unit can be used as a current signal, for example in the pulse width modulation method, in the two-level method or according to a serial
  • Sensor element in particular an AMR sensor element, a
  • GMR sensor element GMR sensor element, a TMR sensor element or a
  • the magnetic sensor element may be an active or passive electronic component.
  • the active sensor element allows a larger air gap and reacts even to the smallest changes in the magnetic field, so that a very accurate
  • Radfieresensorelement each an electric circuit for the treatment of the physical parameters.
  • the advantage is achieved that the wheel speed sensor elements can be made flexible.
  • the physical measures of the wheel speed sensor elements can be processed and, for example, in a digital
  • Measuring signal to be converted can be adapted to an interface with a control unit.
  • the electrical circuit may also have a corresponding one
  • Wheel speed sensor element mounted as a separate structural components on the cable carrier. Thereby, the advantage is achieved that the wheel speed sensor elements can be made flexible.
  • the wheel speed sensor elements can in this way with various electrical circuits and / or
  • the magnetic sensor element of the first Radfieresensorelements and the magnetic sensor element of the second Radfieresensorelements are formed differently. This achieves the advantage that a redundant sensor system.
  • the second Take over wheel speed sensor element In case of failure of the first wheel speed sensor element, the second Take over wheel speed sensor element.
  • both wheel speed sensor elements can be operated in parallel to obtain a more accurate measurement by averaging.
  • the magnetic sensor elements can be designed to use different detection principles.
  • a magnetic sensor element as
  • AMR sensor element formed and the other magnetic sensor element is designed as a GMR, TMR or Hall sensor element.
  • Wheel speed sensor element and second wheel speed sensor element are arranged on an end face of the cable carrier.
  • the advantage is achieved that the most accurate possible measurement of the physical parameters can be carried out.
  • the first wheel speed sensor element and the second wheel speed sensor element are arranged on an end face of the cable carrier.
  • Conduit carrier arranged.
  • the conductor carrier comprises a leadframe, the leadframe being formed from a metal, in particular copper.
  • the conductor carrier may further comprise a carrier plate, in which the leadframe is embedded.
  • Wheel speed sensor element has a first electrical connection for transmitting the first physical measured quantities, and the second wheel speed sensor element has a second electrical connection for transmitting the second physical measured variables.
  • the first electrical connection can be connected to a first controller via a first conductor arrangement for transmitting the first physical measured variables
  • the second electrical connection can be connected to a second controller via a second conductor arrangement for transmitting the second physical measured variables.
  • Measurements can be efficiently transmitted to determine the wheel speed to the first or second control.
  • the first controller and the second controller may each include a processor and a microprocessor, respectively.
  • the first controller and the second controller may each include a processor and a microprocessor, respectively.
  • Control and the second control can each for
  • the first controller and the second controller may be the same, or the first controller and the second controller may be components of a common control of the motor vehicle.
  • the controls can be part of a safety system of the vehicle such as an anti-lock braking system (ABS) or a
  • the first conductor arrangement and the second conductor arrangement may each comprise a two-pole electrical connection cable with a voltage supply line and a further line.
  • the further line can serve as a sensor ground.
  • About the power supply line can simultaneously
  • the first controller is configured to detect a first wheel speed based on the first physical measurements, and is the second controller
  • the controls can detect the wheel speed independently of one another and only on the basis of the physical measured variables detected by the associated wheel speed sensor element. Consequently Not only the wheel speed sensor elements themselves, but also the associated controls are redundant.
  • the first conductor arrangement and the second conductor arrangement are sheathed, at least in sections, by a common sheath. Furthermore, the first
  • Ladder arrangement and the second conductor arrangement may be formed at least in sections as a common conductor arrangement. This achieves the advantage that the first
  • Ladder arrangement and the second conductor arrangement can be arranged and stored in a space-saving manner in the vehicle.
  • the sensor housing is a
  • the housing in particular an injection molded housing.
  • the sensor housing may be formed of PBT (polybutylene terephthalate).
  • the sensor housing is connected by means of a fabric-fixed connection with the line carrier.
  • the housing can be manufactured by means of injection molding.
  • the conductor carrier may comprise sealing elements which are used in the injection molding of
  • Sensor housing enter a gas and liquid-tight connection with the sensor housing.
  • the invention relates to a
  • An attachment system for mounting a wheel speed sensor to a vehicle axle of a vehicle comprising a sensor housing and a cable carrier disposed in the sensor housing, the cable carrier having a first surface and a second surface facing away from the first surface, a first
  • Radcordieresensorelement is arranged for detecting first physical quantities on the first surface of the cable carrier, and wherein a second wheel speed sensor element for detecting second physical quantities on the further arranged on the vehicle axle, a sensor wheel with a magnetic reading track, and wherein the fastening system comprises a mounting adapter which is mountable to the vehicle axle, wherein the mounting adapter comprises a receptacle for receiving the sensor housing, wherein the receptacle is configured to align the first wheel speed sensor element and the second wheel speed sensor element for detecting the respective physical measured variables in the direction of the magnetic read track.
  • Vehicle axis and alignment with the magnetic read track can be done.
  • the receptacle is formed as a recess or breakthrough in the mounting adapter, wherein the sensor housing is insertable into the recess or the opening.
  • the fastening adapter comprises a flange for mounting, in particular for screw mounting, of the fastening adapter to the vehicle axle, in particular to a steering knuckle.
  • the invention can be implemented in hardware and / or software.
  • Fig. 1 is a schematic representation of a
  • Fig. 2a is a schematic representation
  • Wheel speed sensor on a sensor wheel
  • Fig. 2b is a schematic representation of a
  • Wheel speed sensor on a sensor wheel
  • Fig. 3 is a schematic representation of a
  • implementations may have such a feature or aspect with one or more other features or aspects of the others
  • Fig. 1 shows a schematic representation of a
  • Wheel speed sensor 100 according to one embodiment.
  • the wheel speed sensor 100 comprises a sensor housing 101, and a line carrier 103, which is arranged in the sensor housing 101, wherein the line carrier 103 is a first
  • Such a wheel speed sensor 100 corresponds to the
  • wheel speed sensor elements 107-1, 107-2 where one of the two can act as a redundant sensor. Furthermore, it is due to the two-sided arrangement of
  • Wheel speed sensor elements 107-1, 107-2 on a cable carrier 103 constructed sufficiently compact so that it takes up little more space than a system with a single
  • Wheel speed sensor element and thus can be easily attached to the vehicle axle of a vehicle, there to determine the speed of the corresponding wheel and forward, for example, to a control unit.
  • Wheel speed sensor element 107-2 may include a first magnetic sensor element 109-1 and a second magnetic sensor element 109-2 for detecting the physical quantities.
  • the first magnetic sensor element 109-1 and the second magnetic sensor element 109-2 may each comprise an AMR sensor element, a GMR sensor element, a TMR sensor element or a
  • the Hall sensor element include.
  • the magnetic sensor elements 109-1, 109-2 may be active or passive electronic components.
  • GMR global magnetoresistance effect
  • TMR tunnel magnetoresistance effect
  • Wheel speed sensor element 107-2 may further comprise a first electrical circuit 111-1 and a second electrical circuit 111-2 for processing the physical quantities.
  • the electric circuits 111-1, 111-2 can the
  • electric scarf circuits 111-1, 111-2 can adapt the measured variables to an interface with a control unit.
  • the electrical circuits 111-1, 111-2 can also provide a corresponding EMC compatibility of the measurement signal, so that appropriate EMC guidelines are met.
  • the electric circuit scarf 111-1, 111-2 may be formed as an integrated circuit on the line carrier 103.
  • the magnetic sensor element 109-1, 109-2 and the electric circuit 111-1, 111-2 of each wheel speed sensor element 107-1, 107-2 are mounted on the lead carrier 103 as separate structural components.
  • the wheel speed sensor elements 107-1, 107-2 can in this way with various electrical circuits 111-1, 111-2 and / or sensor elements 109-1, 109-2 with
  • each wheel speed sensor 107-1, 107-2 are integrated on a common chip or implemented as a common chip.
  • Wheel speed sensor element 107-1 identical to the second
  • Wheel speed sensor element 107-2 performed to provide a redundant sensor system. In case of failure of the first
  • Wheel speed sensor element 107-1 may be the second
  • wheel speed sensor element 107-2 Take over wheel speed sensor element 107-2.
  • Sensor element 109-2 of the second wheel speed sensor element 107-2 be designed differently.
  • various detection principles may be used in a wheel speed sensor 100 to reduce or prevent the occurrence of errors based on one of the detection principles.
  • Wheel speed sensor element 107-2 each disposed on an end face of the cable carrier 103, in particular a front side, which faces a magnetic read track.
  • the conductor carrier 103 may comprise a leadframe.
  • the leadframe may be comb-shaped or frame-shaped and may be formed from a metal, in particular copper.
  • the sensor housing 101 may include an injection molded plastic housing such as PBT.
  • the wheel speed sensor elements 107-1, 107-2, in particular the magnetic sensor elements 109-1, 109-2 and the electrical circuits 111-1, 111-2 may be covered in an epoxy layer or by a
  • the sensor housing 101 can be manufactured by means of an injection molding process and can
  • FIG. 2a shows a schematic representation of a
  • Wheel speed sensor 100 on the encoder wheel 200 according to a
  • the encoder wheel 200 may comprise a multi-pole ring in which magnets with alternating polarity are used.
  • the surface of the multipole ring remote from the axis may form the read track 201.
  • the multipole ring may be inserted in a sealing ring of a wheel bearing of the vehicle.
  • the wheel speed sensor 100 is connected via a first conductor arrangement 203-1 to a first controller 205-1 and via a second conductor arrangement 203-2 to a second controller 205-2.
  • the first wheel speed sensor element 107-1 may have a first electrical connection for transmitting the first physical measured quantities
  • the second wheel speed sensor element 107-2 may have a second electrical connection for transmitting the second physical measured variables.
  • the first electrical connection can be via the first
  • Conductor assembly 203-1 be connected to the first controller 205-1 to transmit the first physical measurements. Furthermore, the second electrical connection via the second
  • Ladder arrangement 203-2 be connected to the second controller 205-2 to transmit the second physical measurements.
  • the first controller 205-1 and the second controller 205-2 may each include a processor and a microprocessor, respectively.
  • the first controller 205-1 and the second controller 205-2 can be connected to a first energy source 207-1 or a second energy source 207-2 for energy supply, or to a common energy source, in particular a vehicle battery.
  • the first conductor arrangement 203-1 and the second conductor arrangement 203-2 may each comprise a two-pole electrical connection cable with a power supply line and a further line.
  • the further line can serve as a sensor ground.
  • About the power supply line can simultaneously
  • Sensor signal or measurement signal, in particular the physical Measured variables are transmitted to the corresponding controller 205-1, 205-2.
  • the first conductor arrangement 203-1 and the second conductor arrangement 203-2 are encased, at least in sections, by a common jacket.
  • the first conductor arrangement 203-1 and the second conductor arrangement 203-2 can be space-savingly arranged or laid in a common wheel sensor cable in the vehicle.
  • the wheel speed sensor elements 107-1, 107-2 can be mounted on both surfaces 105-1, 105-2 of the
  • Line carrier 103 are connected separately from each other with the Radsensortiv.
  • the first controller 205 - 1 may be configured to detect a first wheel speed on the basis of the first physical measured variables. Further, the second controller 205-2 may be configured to detect a second wheel speed based on the second physical measurements. The first controller 205-1 and the second controller 205-2 may be part of a controller of the vehicle.
  • the controller may be a security systems such as a
  • ABS Anti-lock braking system
  • the controller may detect the first wheel speed and the second wheel speed and form, for example, an average of the wheel speeds. Further, the control unit in case of failure of a wheel speed sensor element 107-1, 107-2 and / or the associated control 205-1, 205-2, the wheel speed on the basis of the measurement signal of the other
  • Wheel speed sensor element 107-1 detect 107-2.
  • Fig. 2b shows a schematic representation of
  • Wheel speed sensor 100 to the encoder wheel 200 according to another embodiment.
  • Fig. 2b only one conductor assembly 209 is shown, which the wheel speed sensor 100 with a controller 211 with
  • a measurement signal 215 is transmitted from the wheel speed sensor 100 to the controller 211.
  • Wheel speed sensor elements 107-1, 107-2 of the wheel speed sensor 100 detect a changing magnetic field.
  • the physical quantities may include physical quantities detected by the wheel speed sensor elements 107-1, 107-2 as the portions of the alternating magnetic pole direction read track 201 pass.
  • This alternating signal can be converted by an electronic unit in the wheel speed sensor elements 107-1, 107-2 (for example an ASIC) into a measuring signal 215, in particular a digital measuring signal.
  • the transmission of the measurement signal 215 to the controller 211 can be used as a current signal, for example in the pulse width modulation method, in
  • Two-level method or according to a serial data protocol, or as a voltage signal Two-level method or according to a serial data protocol, or as a voltage signal.
  • Fig. 3 shows a schematic representation of a
  • Mounting system 300 for the wheel speed sensor 100 with a mounting adapter 301 according to one embodiment.
  • the fastening system 300 in FIG. 3 is mounted on a vehicle axle of a vehicle, wherein a sensor wheel 200 with a magnetic read track 201 is arranged on the vehicle axle.
  • the fastening system 300 includes one, one
  • Mounting adapter 301 which is mountable to a stub axle 307 on the vehicle axle, wherein the mounting adapter 301 comprises a receptacle for receiving the sensor housing (not shown in Fig. 3), and wherein the receptacle is formed, the wheel speed sensor perpendicular to the magnetic read track 201 from to finish.
  • the inclusion may be as a recess or breakthrough in the
  • Fixing adapter 301 may be formed.
  • the sensor housing 101 can be inserted into the recess or the opening.
  • the fastening adapter 301 in FIG. 3 comprises a flange 305 for mounting the fastening adapter to the steering knuckle 307.
  • the flange can be fastened to the steering knuckle 307 by means of a fastening screw 303.
  • the wheel speed sensor 309 includes first and second wheel speed sensor elements on two opposing sides
  • Radcordieresensorelement can be arranged that end face of the wheel speed sensor 309, which in an attachment of the wheel speed sensor 309 in the
  • Attachment adapter 301 of the magnetic read track 201 faces.
  • An essential advantage of the concept of a redundant wheel speed sensor 100 presented here is that the space requirement of the wheel speed sensor 100 does not increase or only substantially increases despite redundant design of the wheel speed sensor elements, so that existing shoring concepts can be further pursued.
  • Wheel speed sensor elements 107-1, 107-2 on the line carrier 103 the attachment of the wheel speed sensor 100 in an application-specific holder for correct positioning of the measuring elements in comparison to a conventional
  • Wheel speed sensor elements 107-1, 107-2 in the wheel speed sensor 100 no increased footprint of the wheel speed sensor 100 compared to a conventional wheel speed sensor with a wheel speed sensor element.
  • the wheel speed sensor 100 can be installed with the redundant wheel speed sensor elements 107-1, 107-2 at the same installation position in the vehicle as a conventional wheel speed sensor with only one

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne un capteur de vitesse de rotation de roue (100) destiné à être monté sur un essieu de véhicule, comprenant un boîtier de capteur (101) et un porte-conducteur (103), par exemple une grille de connexion, lequel porte-conducteur est disposé dans le boîtier de capteur (101), comprenant une première surface (105-1) et une deuxième surface (105-2) opposée à la première surface (105-1), un premier élément de capteur de vitesse de rotation de roue (107-1) étant disposé sur la première surface (105-1) du porte-conducteur (103) pour la détection de premières grandeurs de mesure physiques, et un deuxième élément de capteur de vitesse de rotation de roue (107-2) étant disposé sur la deuxième surface (105-2) du porte-conducteur (103) pour la détection de deuxièmes grandeurs de mesure physiques. En particulier, les deux éléments de capteur peuvent détecter des champs magnétiques d'une piste de lecture magnétique. Les deux capteurs peuvent être des capteurs à magnétorésistance anisotrope (AMR), à magnétorésistance géante (GMR) ou à magnétorésistance à effet tunnel (TMR) ou des éléments à effet Hall, les deux capteurs pouvant être de construction identique ou différente.
EP17713661.1A 2016-04-15 2017-03-27 Capteur de vitesse de rotation de roue et système de fixation pour le montage d'un capteur de vitesse de rotation de roue Ceased EP3443359A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016206389.8A DE102016206389A1 (de) 2016-04-15 2016-04-15 Raddrehzahlsensor und Befestigungssystem zur Montage eines Raddrehzahlsensors
PCT/EP2017/057190 WO2017178215A1 (fr) 2016-04-15 2017-03-27 Capteur de vitesse de rotation de roue et système de fixation pour le montage d'un capteur de vitesse de rotation de roue

Publications (1)

Publication Number Publication Date
EP3443359A1 true EP3443359A1 (fr) 2019-02-20

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Application Number Title Priority Date Filing Date
EP17713661.1A Ceased EP3443359A1 (fr) 2016-04-15 2017-03-27 Capteur de vitesse de rotation de roue et système de fixation pour le montage d'un capteur de vitesse de rotation de roue

Country Status (6)

Country Link
US (1) US10890597B2 (fr)
EP (1) EP3443359A1 (fr)
KR (1) KR102253423B1 (fr)
CN (1) CN109073670A (fr)
DE (1) DE102016206389A1 (fr)
WO (1) WO2017178215A1 (fr)

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CN109073670A (zh) 2018-12-21
KR20180122421A (ko) 2018-11-12
DE102016206389A1 (de) 2017-10-19
US20190101563A1 (en) 2019-04-04
WO2017178215A1 (fr) 2017-10-19
KR102253423B1 (ko) 2021-05-17
US10890597B2 (en) 2021-01-12

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