EP2773520A1 - System zur reifendrucküberwachung einer mehrzahl von rädern eines kraftfahrzeugs und drucküberwachungsverfahren - Google Patents

System zur reifendrucküberwachung einer mehrzahl von rädern eines kraftfahrzeugs und drucküberwachungsverfahren

Info

Publication number
EP2773520A1
EP2773520A1 EP12779075.6A EP12779075A EP2773520A1 EP 2773520 A1 EP2773520 A1 EP 2773520A1 EP 12779075 A EP12779075 A EP 12779075A EP 2773520 A1 EP2773520 A1 EP 2773520A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
value
heading
wheels
pressure
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Withdrawn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
EP12779075.6A
Other languages
English (en)
French (fr)
Inventor
Serge Hernando
Christian Noel
Thierry Pinard
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.)
Johnson Controls Automotive Electronics SAS
Original Assignee
Johnson Controls Automotive Electronics SAS
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 Johnson Controls Automotive Electronics SAS filed Critical Johnson Controls Automotive Electronics SAS
Publication of EP2773520A1 publication Critical patent/EP2773520A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/06—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle
    • B60C23/061—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle by monitoring wheel speed
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres

Definitions

  • the present invention relates to a system for monitoring the pressure in the tires of a plurality of wheels of a motor vehicle, and a method for monitoring the pressure in the tires of a plurality of wheels of a motor vehicle.
  • Such systems In order to ensure the safety and comfort of the driver of a motor vehicle, it is imperative to know and monitor the tire pressure of the vehicle. By informing the driver in a simple, reliable and regular way on the level of tire inflation of his vehicle, it contributes to improve safety, consumption, extend the life of tires, etc.
  • Such systems generally comprise at least one type of pressure sensor known per se.
  • Methods for monitoring the tire pressure of a vehicle are known, which inform the driver or the vehicle warning system of an under-inflation situation of at least one of the tires of the vehicle.
  • Such systems normally require having a pressure sensor in or associated with each wheel of the motor vehicle, therefore normally at least four pressure sensors.
  • the present invention is intended in particular to overcome the drawbacks of the known art, and in particular those mentioned above, and also aims to propose a tire pressure monitoring system of a plurality of wheels. a motor vehicle, as well as a process for monitoring the pressure in the
  • pneumatic tires of a plurality of wheels of a motor vehicle which is both accurate and can be achieved with reduced costs.
  • this object is achieved by a system for monitoring the pressure in the tires of a plurality of wheels of a motor vehicle,
  • the monitoring system comprising a first sensor module, the first sensor module comprising at least one sensor measuring the angular velocity of at least a portion of the plurality of wheels of the motor vehicle,
  • the monitoring system comprising calculation means for determining, from the angular velocity of at least a portion of the plurality of wheels of the motor vehicle, a signal indicative of a first value of the heading of the motor vehicle, characterized in that
  • the monitoring system further comprises a second sensor module generating a signal indicative of a second value of the heading of the motor vehicle,
  • an abnormal situation of the pressure in at least one of the tires of the plurality of wheels of the motor vehicle is determined when the first value of the heading of the motor vehicle and the second value of the heading of the motor vehicle are inconsistent.
  • ABS sensors sensors anti-lock system
  • a preferred refinement of the invention lies in the fact that the second sensor module, generating a signal indicative of the second value of the heading of the motor vehicle, comprises or is associated with a satellite positioning location interface.
  • the second sensor module generating a signal indicative of the second value of the heading of the motor vehicle, comprises or is associated with a compass module.
  • the monitoring system further comprises a pressure sensor in a predetermined wheel or associated with a predetermined wheel of the plurality of wheels of the motor vehicle to transmit information indicative of the value the momentary pressure in the tire of the predetermined wheel, and that an abnormal situation of the pressure in at least one of the tires of the plurality of wheels of the motor vehicle is determined, depending on the value of the momentary pressure in the tire of the predetermined wheel, when the first value of the heading of the motor vehicle and the second value of the heading of the motor vehicle are inconsistent.
  • the present invention also relates to a method for monitoring the pressure in the tires of a plurality of wheels of a motor vehicle by using a pressure monitoring system
  • the monitoring system comprising a first sensor module, the first sensor module comprising at least one sensor measuring the angular velocity of at least a portion of the plurality of wheels of the motor vehicle,
  • the monitoring system comprising calculation means for determining, from the angular velocity of at least a portion of the plurality of wheels of the motor vehicle, a signal indicative of a first value of the heading of the motor vehicle,
  • the monitoring system further comprises a second sensor module generating a signal indicative of a second value of the heading of the motor vehicle,
  • the second sensor module generating a signal indicative of the second value of the heading of the motor vehicle, comprises or is associated with a location positioning interface by satellite positioning,
  • the second sensor module generating a signal indicative of the second value of the heading of the motor vehicle, comprises or is associated with a compass module, and
  • the monitoring system further comprises a pressure sensor in a predetermined wheel or associated with a predetermined wheel of the plurality of wheels of the motor vehicle for transmitting information indicative of the value of the momentary pressure in the tire of the predetermined wheel , and that during the first step of the monitoring method, the value of the momentary pressure in the tire of the predetermined wheel is determined.
  • FIG. schematic of a flow chart of the monitoring method according to the present invention
  • a system 100 for monitoring the pressure in the tires of a plurality of wheels 31, 32, 33, 34 of a motor vehicle comprises a first sensor module 10.
  • the first sensor module 10 is provided for measuring the angular velocity of at least a portion of the plurality of wheels 31, 32, 33, 34 of the motor vehicle.
  • the first sensor module 10 is in particular provided as an ABS sensor module (anti-lock system) of the motor vehicle.
  • the first sensor module 10 comprises for example a wheel sensor for measuring the angular velocity of the wheel.
  • the motor vehicle comprises four wheels 31, 32, 33, 34 and the first sensor module 10 is associated with four different sensors 1 1, 12, 13, 14, a sensor 1 1, 12, 13, 14 per wheel 31, 32, 33, 34.
  • the sensors 1 1, 12, 13, 14 provide, to the first sensor module 10, signals indicative of the angular velocity of the wheel 31, 32, 33, 34 associated respectively.
  • the pressure monitoring system 100 comprising a calculating means 40.
  • the calculating means 40 is designed to determine, from the angular velocity of at least a portion of the plurality of wheels 31, 32, 33, 34 of the motor vehicle - obtained by the first sensor module 10, a signal indicative of a first value of the heading of the motor vehicle.
  • the monitoring system 100 also comprises a second sensor module 20 generating a signal indicative of a second value of the heading of the motor vehicle.
  • the second sensor module 20 is in particular provided as a satellite positioning location interface of the motor vehicle or as a compass module.
  • the second value of the heading of the motor vehicle, issued from the second sensor module 20, is also provided by the calculation means 40.
  • the first and second values of the heading of the motor vehicle are compared.
  • the first course value of the motor vehicle and the second course value of the motor vehicle are consistent. relative to each other, especially comparable.
  • the wheel concerned During an abnormal situation of the pressure in at least one of the tires of the wheels 31, 32, 33, 34 of the motor vehicle, the wheel concerned will have an increased angular velocity (with respect to the situation when the tire is inflated), and therefore, the first heading value which is calculated as a function of the angular velocity of the wheel, will indicate a direction of the motor vehicle which is incoherent (or inconsistent) with the second heading value derived from the signals of the second sensor module 20.
  • the first sensor module 10 and the second sensor module 20 are used to determine the state of the pressure in the tires of the plurality of wheels 31, 32, 33, 34 of the motor vehicle.
  • the signals from the first sensor module 10 and the second sensor module 20 are used to determine the state of the pressure in the tires of the plurality of wheels 31, 32, 33, 34 of the motor vehicle.
  • a pressure sensor 35 is added to the first sensor module 10 and the second sensor module 20.
  • the pressure sensor 35 is positioned in a predetermined wheel 31 (of the plurality of wheels 31, 32, 33, 34 of the motor vehicle) or associated with a predetermined wheel 31.
  • the signals from the first sensor module 10, the second sensor module 20 and the pressure sensor 35 are used to determine the state of the pressure in the tires of the plurality of sensors. wheels 31, 32, 33, 34 of the motor vehicle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
EP12779075.6A 2011-10-31 2012-10-31 System zur reifendrucküberwachung einer mehrzahl von rädern eines kraftfahrzeugs und drucküberwachungsverfahren Withdrawn EP2773520A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1103312A FR2981884B1 (fr) 2011-10-31 2011-10-31 Systeme de surveillance de la pression dans les pneumatiques d'une pluralite de roues d'un vehicule automobile et procede de surveillance de la pression
PCT/EP2012/071634 WO2013064581A1 (fr) 2011-10-31 2012-10-31 Systeme de surveillance de la pression dans les pneumatiques d'une pluralite de roues d'un vehicule automobile et procede de surveillance de la pression

Publications (1)

Publication Number Publication Date
EP2773520A1 true EP2773520A1 (de) 2014-09-10

Family

ID=47088894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12779075.6A Withdrawn EP2773520A1 (de) 2011-10-31 2012-10-31 System zur reifendrucküberwachung einer mehrzahl von rädern eines kraftfahrzeugs und drucküberwachungsverfahren

Country Status (7)

Country Link
US (1) US20140305199A1 (de)
EP (1) EP2773520A1 (de)
JP (1) JP2014532578A (de)
CN (1) CN103998263A (de)
FR (1) FR2981884B1 (de)
IN (1) IN2014DN03479A (de)
WO (1) WO2013064581A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106525323B (zh) * 2016-12-06 2019-05-17 北京万集科技股份有限公司 车辆胎压检测方法及装置
IT201800020212A1 (it) * 2018-12-19 2020-06-19 Maserati Spa Procedimento per la stima della pressione degli pneumatici di un veicolo.

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Publication number Priority date Publication date Assignee Title
JP3159575B2 (ja) * 1993-08-16 2001-04-23 マツダ株式会社 タイヤ空気圧警報装置
JPH10203124A (ja) * 1997-01-27 1998-08-04 Kayaba Ind Co Ltd 走行バランス検出装置
JP3518575B2 (ja) * 1997-03-25 2004-04-12 トヨタ自動車株式会社 タイヤ空気圧推定装置
US5847645A (en) * 1997-06-04 1998-12-08 Ford Global Technologies, Inc. Tire diagnostic system
DE10015230A1 (de) * 1999-08-06 2001-03-01 Continental Teves Ag & Co Ohg Verfahren und Vorrichtung zur Erkennung des Druckverlusts in einem Reifen eines Rades eines Fahrzeugs
JP2002248915A (ja) * 2001-02-26 2002-09-03 Toyota Motor Corp タイヤ状態推定装置
JP2004148938A (ja) * 2002-10-29 2004-05-27 Honda Motor Co Ltd タイヤの空気圧低下検知装置
ATE335621T1 (de) * 2003-05-09 2006-09-15 Harman Becker Automotive Sys Gps (global positioning system) basierendes verfahren und system zur erkennung von reifendruckänderungen
US7237433B2 (en) * 2003-11-07 2007-07-03 General Motors Corporation Hybrid tire pressure monitoring system
JP4099823B2 (ja) * 2003-11-11 2008-06-11 オムロン株式会社 車両水没検知装置
EP1547828B1 (de) * 2003-11-25 2010-10-20 Sumitomo Rubber Industries Limited Verfahren und Gerät zum Detektieren eines Druckabfalls in Reifen, und Programm für die Beurteilung eines Druckabfalls in Reifen
JP4707496B2 (ja) * 2005-08-09 2011-06-22 住友ゴム工業株式会社 Ｇｐｓ速度情報を用いたタイヤ内圧低下検知方法
JP2008007026A (ja) * 2006-06-30 2008-01-17 Aisin Aw Co Ltd 空気圧低下検出装置、空気圧低下検出プログラムおよび空気圧低下検出方法
JP2008273477A (ja) * 2007-05-07 2008-11-13 Honda Motor Co Ltd 車両用センサシステム
JP5427868B2 (ja) * 2011-10-21 2014-02-26 住友ゴム工業株式会社 タイヤ空気圧低下検出方法、装置及びプログラム
CN103832223A (zh) * 2012-11-20 2014-06-04 傅黎明 一种tpms技术缺陷改进方案

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See references of WO2013064581A1 *

Also Published As

Publication number Publication date
JP2014532578A (ja) 2014-12-08
FR2981884A1 (fr) 2013-05-03
IN2014DN03479A (de) 2015-06-05
CN103998263A (zh) 2014-08-20
WO2013064581A1 (fr) 2013-05-10
FR2981884B1 (fr) 2016-02-05
US20140305199A1 (en) 2014-10-16

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