EP2812596A2 - Système de freinage et procédé de commande d'un système de freinage - Google Patents

Système de freinage et procédé de commande d'un système de freinage

Info

Publication number
EP2812596A2
EP2812596A2 EP13703041.7A EP13703041A EP2812596A2 EP 2812596 A2 EP2812596 A2 EP 2812596A2 EP 13703041 A EP13703041 A EP 13703041A EP 2812596 A2 EP2812596 A2 EP 2812596A2
Authority
EP
European Patent Office
Prior art keywords
brake
control unit
brake pad
brake system
lining
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.)
Withdrawn
Application number
EP13703041.7A
Other languages
German (de)
English (en)
Inventor
Manfred Schoenauer
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.)
Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Nutzfahrzeuge 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 Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Nutzfahrzeuge GmbH
Publication of EP2812596A2 publication Critical patent/EP2812596A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • 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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature

Definitions

  • the present invention relates to a brake system of a motor vehicle according to the preamble of claim 1 and a method for controlling such a brake system.
  • EP 2 207 983 B1 discloses a brake shoe and a brake wear monitoring system in which a passive transponder is provided for detecting the state of wear present on the friction lining and / or for identifying the brake shoe, either on the back plate or on one with the back plate connectable damping plate is permanently fixed. Accordingly, the brake wear monitoring tion system to a transmitter-receiving unit that communicates with this transponder.
  • the object of the present invention is to provide a brake system which further improves the cooperation of the control unit of such a brake system with the brake linings installed in the brake system.
  • the control unit has one or more additional control modules which can be activated by an electronic key provided on at least one brake pad which can be mounted in a disc brake or a hub brake.
  • processing of coating-dependent properties is enabled by the electronic brake control.
  • the design of the control unit with such brake lining dependent additional control modules serves for optimal utilization of the coating properties and thus an increase in the braking performance of the brake system.
  • a manual or automatic read-out of a data carrier arranged on the brake lining takes place via a computing and evaluation unit. Furthermore, the physical properties of the brake lining are loaded into the control unit and the control module of the control unit assigned to the installed brake lining is activated.
  • This provides the possibility of a modular construction of the control unit, which makes it possible to control additional functions relevant for a particular type of brake pad, for example optimized wear management, and in particular to switch it on or off.
  • the brake system has a computer and evaluation unit with which the electronic key of the built-in brake pad can be read out, wherein the computer and evaluation unit unit is connected to the control unit for passing the read data. So can be read directly after the installation of a corresponding brake pad, if such an identifier is present at all and if so, what type of brake pad is the built-brake pad.
  • the computer and evaluation unit may also be part of a diagnostic system located outside the brake system, in which the brake pad-specific data is read in manually or by reading out a data carrier enclosed, for example, a chip or magnetic stripe card, and preferably adjusted via a central database be, with the central database returns a successfully performed authentication to the diagnostic system, which is then passed to the control unit of the brake system and thus an activation of the additional control module or the additional control modules of the control unit takes place.
  • a data carrier enclosed, for example, a chip or magnetic stripe card
  • FIGS 1 to 4 are schematic flow diagrams for the representation of
  • the electronic pad detection can be made on the one hand when installing the brake pad or brake pads in the brake system or in an alternative embodiment, a multiple pad detection can be made.
  • a data carrier is arranged on a brake pad to be installed on which an electronic key is stored.
  • the arrangement of this data carrier on the brake pad can be fastened by fixing the data carrier directly on the brake pad, for example, fixed to a pad carrier plate friction lining.
  • a data carrier in the form of, for example, a chip card or a Magnetic strip card for such a brake pad conceivable, which is readable via a computer and evaluation unit which is on the brake system or elsewhere in the vehicle having the brake system. In this computer and evaluation then an authentication of the brake pad data.
  • the brake control unit controls the brake system such that only standard control modules are executed to perform a braking operation that enables the legally prescribed function of the brake system.
  • signals are transmitted to the control unit by the computer and evaluation unit which activate one or more additional control modules with which a further optimized function of the brake system, for example by utilizing the specific properties of the brake lining used, is made possible ,
  • additional control modules with which a further optimized function of the brake system, for example by utilizing the specific properties of the brake lining used, is made possible .
  • These include, for example, the material identification of the brake lining per se, furthermore characteristic diagrams with regard to temperature, speed, pressure and wear-dependent property changes, material properties of the brake lining such as elasticity and shear moduli, compressibilities, wear behavior and response times.
  • the computer and evaluation unit can also be designed as an external diagnostic device.
  • the data carrier arranged on the brake lining preferably contains only one authentication number which, when the brake lining is installed in the brake system, is preferably input manually into a computer and evaluation unit designed in an external diagnostic device.
  • This computer and evaluation unit is connected to a database, preferably with a central database connected via an Internet portal, a service hotline or the like, which performs the authentication of the brake pad's authentication number and, upon successful authentication, returns an activation code to the control unit of the brake system is passed on and activates the additional control modules for optimized control of the brake system.
  • the query of the brake pad data by the control unit is preferably carried out by registering a change of predetermined size of
  • the data carrier on the brake pad is preferably not directly on the brake pad, but arranged away from the brake pad to by in the course of the brake system occurring braking operations are not damaged.
  • the disk is either connected via a connecting cable to the brake pad or wirelessly, preferably by means of an active transponder, for example, according to the IEEE standard 1902.1 (RuBee), the receiver required for this purpose is arranged on the brake system or in the vehicle
  • the data of the brake lining are preferably checked at every vehicle start as part of a brake system check.
  • the continuous data transmission between the brake pad and the control unit of the brake system also offers the advantage of obtaining and processing information of the brake pad in a timely manner, for example the processing of current wear or temperature conditions of the brake pads.

Landscapes

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

Abstract

Système de freinage d'un véhicule à moteur comportant au moins un frein à disque ou sur moyeu pouvant être piloté par une unité de commande, dans lequel peut être montée au moins une garniture de frein, laquelle comprend un support de données avec une clé électronique mémorisée sur ce support, et l'unité de commande comprenant des modules de commande pour exécuter un processus de freinage. Selon l'invention, l'unité de commande comprend un ou plusieurs modules de commande qui peuvent être activés par la clé électronique prévue sur la ou les garnitures de frein. L'invention concerne également un procédé permettant de commander un système de freinage d'un véhicule à moteur.
EP13703041.7A 2012-02-10 2013-02-06 Système de freinage et procédé de commande d'un système de freinage Withdrawn EP2812596A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012002733A DE102012002733A1 (de) 2012-02-10 2012-02-10 Bremsanlage und Verfahren zur Steuerung einer Bremsanlage
PCT/EP2013/052279 WO2013117563A2 (fr) 2012-02-10 2013-02-06 Système de freinage et procédé de commande d'un système de freinage

Publications (1)

Publication Number Publication Date
EP2812596A2 true EP2812596A2 (fr) 2014-12-17

Family

ID=47678809

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13703041.7A Withdrawn EP2812596A2 (fr) 2012-02-10 2013-02-06 Système de freinage et procédé de commande d'un système de freinage

Country Status (3)

Country Link
EP (1) EP2812596A2 (fr)
DE (1) DE102012002733A1 (fr)
WO (1) WO2013117563A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013013280C5 (de) * 2013-08-09 2019-03-14 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Bremsbelageinheit für eine Fahrzeugbremse, Verfahren zum Erkennen von Bremsbelägen und Fahrzeugbremse mit einer Bremsbelageinheit
DE102015114439A1 (de) * 2015-08-31 2017-03-02 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Fahrzeugbremse, Bremsbelag und Bremssystem
DE102016116998B8 (de) * 2016-09-09 2018-05-17 Saf-Holland Gmbh Verschleißsensierung
US12365406B2 (en) 2021-08-18 2025-07-22 Caterpillar Inc. Component monitoring based on magnetic signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10314206A1 (de) * 2003-03-28 2004-10-07 Biwo B. Wojcik Gmbh Verschleißanzeigevorrichtung zur Anzeige von Bremsbelags-Verschleißzuständen
DE102005007020A1 (de) * 2005-02-15 2006-08-24 Mann + Hummel Gmbh Vorrichtung zur Überwachung von Verschleißteilen
SE530423C2 (sv) * 2005-04-21 2008-06-03 Volvo Lastvagnar Ab System för identifiering av bromsbelägg
DE102006044072A1 (de) * 2006-09-20 2008-03-27 Bayerische Motoren Werke Ag Verfahren, Kraftfahrzeug und Vorrichtung zur Identifizierung eines Kraftfahrzeugersatzmittels
DE102008032818A1 (de) 2007-10-10 2009-04-16 Continental Teves Ag & Co. Ohg Bremsbacke
DE102008011288B4 (de) * 2008-02-27 2013-08-14 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Vorrichtung zur Überwachung der Belagdicke eines Bremsbelags einer Reibungsbremse eines Fahrzeugs
DE102008020425A1 (de) * 2008-04-24 2009-10-29 Volkswagen Ag System zur Verschleißerkennung von Bremsbelägen, Bremsklotz und Verschleißerkennungseinrichtung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2013117563A2 *

Also Published As

Publication number Publication date
DE102012002733A1 (de) 2013-08-14
WO2013117563A2 (fr) 2013-08-15
WO2013117563A3 (fr) 2013-10-10

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