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WO2010003839A1 - Dispositif d’actionnement des freins d’un véhicule à moteur avec élément capteur d’activation - Google Patents

Dispositif d’actionnement des freins d’un véhicule à moteur avec élément capteur d’activation Download PDF

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Publication number
WO2010003839A1
WO2010003839A1 PCT/EP2009/058042 EP2009058042W WO2010003839A1 WO 2010003839 A1 WO2010003839 A1 WO 2010003839A1 EP 2009058042 W EP2009058042 W EP 2009058042W WO 2010003839 A1 WO2010003839 A1 WO 2010003839A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
sensor
wake
sensor unit
actuation
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/EP2009/058042
Other languages
German (de)
English (en)
Inventor
Andreas Heise
Wolfgang Käfer
Jens Bachon
Wolfgang Erler
Joachim Gerold
Helmut Gierl
Andreas Pachur
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 Teves AG and Co OHG
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
Priority to EP09779968A priority Critical patent/EP2300286A1/fr
Publication of WO2010003839A1 publication Critical patent/WO2010003839A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders
    • B60T11/18—Connection thereof to initiating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
    • B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request

Definitions

  • the invention relates to a vehicle brake actuation assembly according to the preamble of claim 1, a method according to the preamble of claim 10, and the use of the vehicle brake actuation assembly in a vehicle brake system having at least one electrically actuated wheel brake unit
  • Document DE 101 45 437 A1 proposes a method for determining the absolute position of a movable element in an actuator unit for a motor vehicle brake system by means of a sensor unit with a magnetic field sensor, in which this sensor unit remains active even when the motor vehicle (vehicle) is inactive or is supplied with electrical energy, whereby the sensor unit can detect the occurrence of an actuation of the actuator unit, after which the sensor unit partially activates inactive units of the motor vehicle brake system, such as an electronic control unit. wakes.
  • This method or the corresponding vehicle brake actuation arrangement disadvantageously consumes electrical energy even in the case of inactive ignition of the motor vehicle, since the sensor unit must always be supplied with electrical energy in order to detect an actuation of the actuator transmitter unit.
  • the object of the present invention is to reduce or avoid this energy consumption.
  • the detection of an actuation process is preferably understood to mean the detection of a movement and / or deflection of the actuation means and / or of a component that is moved and moved along with it.
  • the actuating means preferably comprises a brake pedal and in particular a push rod of a tandem master cylinder (THZ).
  • TTZ tandem master cylinder
  • the vehicle brake actuation arrangement is preferably part of a motor vehicle brake system and the actuation device preferably has a brake pedal, wherein the motor vehicle brake system comprises at least one wheel brake unit which is electrically actuated or designed as a by-wire wheel brake unit and in particular as an electro-mechanical or electro-mechanical hydraulic wheel brake unit is formed.
  • the wheel brake units are suitably example of the electronic control unit (ECU).
  • the actuating means preferably cooperates with the tandem master cylinder (THZ), in particular with its push rod.
  • the tandem master cylinder (THZ) is expediently assigned to the sensor unit, in particular as a displacement sensor.
  • the sensor unit is integrated in the THZ.
  • the sensor unit preferably comprises a magnetic, in particular permanent magnetic encoder, as well as at least one magnetic field sensor element, which is designed in particular as a Hall element and / or magnetoresistive magnetic field sensor element, for example as AMR and / or GMR element, and which generates and / or modulates that generated by the encoder Magnetic field detected without contact.
  • the magnetic encoder has at least one incremental encoder track.
  • the sensor unit is expediently designed as an incremental displacement sensor.
  • the magnetic encoder of the sensor unit is suitably connected directly or indirectly with the pedal or the actuating means.
  • the wake-up sensor element is preferably designed as a reed switch or as a Hall switch or as a different type of magnetic switch, in particular as a "low power hall switch", the is particularly preferably active only at defined times or periodically and thus has a low energy consumption.
  • the sensor unit expediently has an angle sensor which detects a rotational angle deflection of the actuating means.
  • the sensor unit comprises a linear displacement sensor, in particular a differential transformer, particularly preferably a linear variable differential transformer (LVDT) and / or a PLCD sensor (permanent magnetic linear contactless displacement), which a translational deflection of the push rod of the tandem master cylinder or a translational deflection of the actuating means detected directly or indirectly.
  • a linear displacement sensor in particular a differential transformer, particularly preferably a linear variable differential transformer (LVDT) and / or a PLCD sensor (permanent magnetic linear contactless displacement), which a translational deflection of the push rod of the tandem master cylinder or a translational deflection of the actuating means detected directly or indirectly.
  • LVDT linear variable differential transformer
  • PLCD sensor permanent magnetic linear contactless displacement
  • the wake-up sensor element is connected to a power supply unit, the sensor unit and the electronic control unit, wherein the wake-up sensor element is connected to the power supply unit, in particular independently of the sensor unit and the electronic control unit, and wherein the wake-up sensor element detects the electronic control unit and / or or the sensor unit is at least partially activated if they are in an inactive state, particularly preferably by the wake-up sensor element being used directly or indirectly as a power supply switch of the electronic control unit and / or the sensor unit.
  • the wake-up sensor element is very particularly preferred with the battery or corresponding energy. power supply terminals of the motor vehicle (motor vehicle) connected.
  • the electronic control unit and / or the sensor unit are expediently not supplied with electrical energy, unless they are at least partially activated by the wake-up sensor element after a detected actuation operation.
  • the wake-up sensor element is integrated into the sensor unit, but in particular has a power supply or energy supply lines that are essentially independent of the sensor unit.
  • the wake-up sensor element preferably wakes up or activates directly the electronic control unit and this then activates the sensor unit.
  • the vehicle brake actuation arrangement is expediently arranged in a motor vehicle and designed so that the wake-up sensor element performs an at least partial activation of the electronic control unit when the ignition of the motor vehicle is inactive and the actuating means or the brake pedal or is moved.
  • a motion detection or actuation detection of the brake pedal is performed by the wake-up sensor element and transmitted to the electronic control unit even with active ignition of the motor vehicle.
  • the operating state and / or the parameterization of the electronic control unit are particularly preferably adapted or changed.
  • the vehicle brake actuation arrangement is preferably designed such that it detects a movement or actuation of the pedal or the actuating means by the wake-up sensor element with inactive ignition of the motor vehicle and an at least partially inactive electronic control unit and then at least partially activated directly or indirectly the electronic control unit or activated further.
  • the method according to the invention is preferably further developed in that after the detection of an actuating operation, the sensor unit and / or the electronic control unit are at least partially activated directly or indirectly by the wake-up sensor element, if they are in an inactive state.
  • the sensor unit Under an inactive state of the sensor unit is understood in particular that the sensor unit is not supplied with electrical energy at all or only with a minimum amount of electrical energy, which is sufficient, a particularly "low-consumption” sensor element, such as a "low power hall switch", to operate as a wake-up sensor element.
  • This wake-up sensor element particularly preferably remains constantly active and is constantly supplied with sufficient electrical energy.
  • the occurrence of an activation process detected by the wake-up sensor element is checked by the sensor unit and / or the electronic control unit by a change in position and / or movement and / or deflection which is detected by the sensor unit. is taken to plausibility of the occurrence of an actuation process is used.
  • At least one electrically actuated in particular as electro-mechanically or electro-hydraulically designed wheel brake unit or all wheel brake units of the motor vehicle are expediently activated if they are in an inactive state.
  • the invention also relates to the use of the vehicle brake actuation arrangement in a vehicle brake system having at least one electrically actuated wheel brake unit.
  • the vehicle brake actuation arrangement according to the invention is preferably intended for use as a brake system module or actuation unit of a motor vehicle, in particular for motor vehicles with an electric or electromechanical or electrohydraulic brake unit and / or such a parking brake, because thereby the electronic control unit ECU of the vehicle is switched off during inactive ignition of the motor vehicle Brake system can be activated and cause the electronic control unit a corresponding braking or actuation of the brake pedal.
  • This is particularly relevant if a parking brake does not sufficiently support the motor vehicle when the ignition is inactive and additional braking power of an electric or partially electric brake unit must be provided.
  • Fig. 1 is an exemplary brake actuation arrangement
  • Fig. 2 shows an embodiment of a tandem master cylinder.
  • Wake-up sensor element 2 detects an actuation process "actuation detected" of a brake pedal, not shown, as actuation means, in that the actuation process causes a magnetic field change, by which wake-up sensor element 2 is formed, for example, as a reed switch "reed switch”.
  • actuation process causes a magnetic field change, by which wake-up sensor element 2 is formed, for example, as a reed switch "reed switch”.
  • a wake-up signal “wake-up signal” is transmitted to the electronic control unit ECU, 3 of a motor vehicle brake system
  • sensor unit 1 for example via another connection interface, transmits sensor output signals "sensor signal” to the ECU.
  • Terminal KL 30 is an example of the power supply terminal, GND the ground terminal and IGN the connection of the ignition signal of the motor vehicle.
  • the reed switch 2 has a NEN operating operation is detected and its switching state is changed by the actuating operation, whereby the e- lekthari power supply of the ECU is turned on and the ECU is thus activated.
  • the ECU then activates sensor unit 1, which then directly or indirectly detects or measures the deflection of the brake pedal and transmits the value of this deflection to the ECU, which decodes this value as the brake specification value and activates the wheel brake unit, not shown, of the motor vehicle and controls it accordingly.
  • an exemplary tandem master cylinder (THZ) is illustrated. This includes housing 4, primary and secondary boots 5, 6, SK and DK pistons 7.8, container plug 9 and magnetic encoder or ring magnet 10.
  • push rod 11 is connected to a brake pedal, not shown, and transmits the actuation process of a driver and its brake specification.
  • the occurrence of an actuation operation "actuation” is detected by the wake-up sensor element 2, for example by causing a reed switch as the wake-up sensor element to switch when the magnetic encoder 10 is guided past the wake-up sensor element 2.
  • the respective position or position of the magnetic encoder 10 is relative to sensor unit 1 is detected by this and calculates the deflection of the brake pedal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Regulating Braking Force (AREA)

Abstract

L'invention concerne un dispositif d'actionnement des freins d'un véhicule à moteur comprenant au moins un moyen d'actionnement, une unité de capteur (1) qui peut détecter la position et/ou le mouvement et/ou l'excursion du moyen d'actionnement et une unité de contrôle électronique (3) qui est reliée à l'unité de capteur (1), le dispositif d'actionnement de frein d'un véhicule à moteur présentant en outre au moins un élément d'activation (2) qui détecte une opération d'actionnement.
PCT/EP2009/058042 2008-07-10 2009-06-26 Dispositif d’actionnement des freins d’un véhicule à moteur avec élément capteur d’activation Ceased WO2010003839A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09779968A EP2300286A1 (fr) 2008-07-10 2009-06-26 Dispositif d'actionnement des freins d'un véhicule à moteur avec élément capteur d'activation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102008032401.9 2008-07-10
DE102008032401 2008-07-10
DE102008064049A DE102008064049A1 (de) 2008-07-10 2008-12-19 KFZ-Bremsbetätigungsanordnung mit Aufwecksensorelement
DE102008064049.2 2008-12-19

Publications (1)

Publication Number Publication Date
WO2010003839A1 true WO2010003839A1 (fr) 2010-01-14

Family

ID=41412936

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/058042 Ceased WO2010003839A1 (fr) 2008-07-10 2009-06-26 Dispositif d’actionnement des freins d’un véhicule à moteur avec élément capteur d’activation

Country Status (3)

Country Link
EP (1) EP2300286A1 (fr)
DE (1) DE102008064049A1 (fr)
WO (1) WO2010003839A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20100276A1 (it) * 2010-10-04 2012-04-05 Studio Tecnico 6M Srl Apparato di controllo per veicoli, macchine operatrici o simili
DE102011088350A1 (de) 2011-12-13 2013-06-13 Robert Bosch Gmbh Weckvorrichtung für eine Bremssystemkomponente eines Fahrzeugs und Verfahren zum Wecken mindestens einer Bremssystemkomponente eines Fahrzeugs
DE102014013942A1 (de) * 2014-09-19 2016-03-24 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Fahrzeugeinrichtung mit stromsparendem Betrieb einer Signaleingabevorrichtung
DE102020213414A1 (de) 2020-10-23 2022-04-28 Continental Teves Ag & Co. Ohg Verfahren zum Aufwecken einer Bremsanlage
DE112023005132T5 (de) * 2022-12-09 2025-10-02 Robert Bosch Gesellschaft mit beschränkter Haftung Steuersystem
DE102023101388A1 (de) 2023-01-20 2024-07-25 ZF Automotive Safety Germany GmbH Elektronische fahrzeughupeneinrichtung und fahrzeuglenkrad
DE102023208143B4 (de) 2023-08-25 2025-05-15 Continental Automotive Technologies GmbH Initialisierung eines by-wire Bremssystems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10123730A1 (de) * 2000-07-28 2002-03-14 Continental Teves Ag & Co Ohg System,Positionsgeber und Empfangseinrichtung zur sicheren Übertragung der Position eines Betätigungselements sowie dessen Verwendung
DE10045874A1 (de) * 2000-09-14 2002-03-28 Continental Teves Ag & Co Ohg Kraftfahrzeugsensorvorrichtung
WO2002043996A1 (fr) * 2000-11-29 2002-06-06 Lucas Automotive Gmbh Dispositif pour la determination de positions et de mouvements d'une pedale de frein pour un systeme de freinage de vehicule
WO2002046014A1 (fr) * 2000-12-08 2002-06-13 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Module de frein a pied a fonction d'activation
DE10238671A1 (de) * 2001-10-12 2003-09-04 Continental Teves Ag & Co Ohg Betätigungspedal für Kraftfahrzeuge

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10145437A1 (de) 2000-11-27 2002-06-13 Continental Teves Ag & Co Ohg Verfahren und Vorrichtung zur Bestimmung der absoluten Position eines Bremspedalwegsensors in Kraftfahrzeugen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10123730A1 (de) * 2000-07-28 2002-03-14 Continental Teves Ag & Co Ohg System,Positionsgeber und Empfangseinrichtung zur sicheren Übertragung der Position eines Betätigungselements sowie dessen Verwendung
DE10045874A1 (de) * 2000-09-14 2002-03-28 Continental Teves Ag & Co Ohg Kraftfahrzeugsensorvorrichtung
WO2002043996A1 (fr) * 2000-11-29 2002-06-06 Lucas Automotive Gmbh Dispositif pour la determination de positions et de mouvements d'une pedale de frein pour un systeme de freinage de vehicule
WO2002046014A1 (fr) * 2000-12-08 2002-06-13 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Module de frein a pied a fonction d'activation
DE10238671A1 (de) * 2001-10-12 2003-09-04 Continental Teves Ag & Co Ohg Betätigungspedal für Kraftfahrzeuge

Also Published As

Publication number Publication date
EP2300286A1 (fr) 2011-03-30
DE102008064049A1 (de) 2010-01-14

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