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WO2013034969A1 - Système tpms pour la détection, l'enregistement et le relevé de paramètres de fonctionnement dans un pneu - Google Patents

Système tpms pour la détection, l'enregistement et le relevé de paramètres de fonctionnement dans un pneu Download PDF

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Publication number
WO2013034969A1
WO2013034969A1 PCT/IB2012/001720 IB2012001720W WO2013034969A1 WO 2013034969 A1 WO2013034969 A1 WO 2013034969A1 IB 2012001720 W IB2012001720 W IB 2012001720W WO 2013034969 A1 WO2013034969 A1 WO 2013034969A1
Authority
WO
WIPO (PCT)
Prior art keywords
storing
detecting
tyre
operating parameters
reading
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/IB2012/001720
Other languages
English (en)
Inventor
Valentino BENICCHIO
Sileno Oggian
Alexander THORAK
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.)
ROYAL TAG SA
Original Assignee
ROYAL TAG SA
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 ROYAL TAG SA filed Critical ROYAL TAG SA
Publication of WO2013034969A1 publication Critical patent/WO2013034969A1/fr
Anticipated expiration legal-status Critical
Priority to SM201400047T priority Critical patent/SMP201400047T2/xx
Ceased 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
    • B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
    • B60C23/0474—Measurement control, e.g. setting measurement rate or calibrating of sensors; Further processing of measured values, e.g. filtering, compensating or slope monitoring
    • 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
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0498—Constructional details of means for attaching the control device for rim attachments
    • B60C23/04985—Constructional details of means for attaching the control device for rim attachments using straps surrounding the rims

Definitions

  • the present invention relates to the field of automotive and in particular a TPMS system for detecting, storing and reading characteristic operating parameters, such as temperature and pressure, using a RFID technology.
  • Retreaded tyres use as starting material the worn tyres which are firstly "smoothed” and afterwards, through a vulcanization process, the new tread is applied.
  • Tyre carcass is reused for maximum three times, and a proper use is essential so that the retreading process can be actuated for the whole useful life of the carcass, in other terms the tyre should always operate in suitable pressure and temperature conditions, and a constant maintenance of the tyre.
  • TPMS tire pressure monitoring system
  • iTMPS indirectly
  • the Applicant eventually experienced the need of providing a TPMS system for detecting, storing and reading operating parameters, such as temperature and pressure, which allows to have the maintenance traceability and the constant monitoring of the tyre.
  • the invention in a first aspect thereof relates to a TPMS system for detecting, storing and reading operating parameters, such as temperature and pressure, in a tyre comprising:
  • At least one protection casing adapted to receive at least partially the device for detecting and storing the operating parameters of a tyre
  • said fastening means comprise a fastening member for coupling said at least one protection casing to said rim removably and adjustably depending on the size of the rim;
  • said device for detecting and storing the operating parameters of a tyre comprises:
  • - at least one antenna for receiving and transmitting signals in radio-frequency;
  • - at least one RFID transponder comprising:
  • the present invention in the afore said aspect, may present at least one of the preferred characteristics herein after described.
  • the casing comprises at least one containment body and at least two support portions for support on the tyre rim adapted to space by a predetermined height H the said containment body, and particularly a base surface thereof, from a radially outer surface of the rim.
  • said height H is greater than 0.5 cm.
  • the containment body has a substantially elongate shape arranged according to an arc of a circle.
  • the containment body comprises an openable lid.
  • the fastening member comprises a hose clamp adapted to be circumferentially wound about the tyre rim and at least one hinge element for adjusting the winding length of the hose clamp on the tyre and locking the same at a predetermined length so that the hose clamp adheres to the outer surface of the tyre rim.
  • the hinge elements comprise at least one endless thread screw.
  • the system comprises a radio-frequency reading member for communicating with the said device for detecting and storing the operating parameters of a tyre.
  • the device for detecting and storing the operating parameters of a tyre comprises at least one driving battery.
  • the RFID transponder further comprises at least one PCB electronic board.
  • the RFID transponder comprises at least one RFID integrated circuit comprising a UID unique identification code.
  • the RFID transponder comprises a programmable timer for defining the sampling intervals.
  • the present invention relates to a method for detecting, storing and reading operating parameters, such as temperature and pressure, in a tyre associated to a TPMS system as above described, the method comprising the steps:
  • the activation step is generated by a request from a RFID reading member outer of the device.
  • the activation step is generated by an inner request from the PCB electronic card as a function of a predetermined time interval set in the inner timer.
  • FIG. 1 is a schematic sectional view, in axial direction, of a tyre rim provided with the system for detecting, storing and reading operating parameters, such as temperature and pressure, according to the present invention
  • FIG. 2 is a schematic sectional view, in circumferential direction, of a tyre rim provided with the system for detecting, storing and reading operating parameters, such as temperature and pressure, according to the present invention
  • FIG. 3 is a schematic exploded view for detecting, storing and reading the operating parameters, such as temperature and pressure, according to the present invention
  • FIG. 4 is a schematic enlarged view, of a fastening means
  • FIG. 5 shows a block diagram of the device for detecting and storing operating parameters, such as temperature and pressure, of a tyre, according to the present invention.
  • FIG. 6 a diagram of the operation stages of the device 1 for detecting and storing the operating parameters, such as temperature and pressure, of a tyre, according to the present invention, is shown.
  • a system for detecting, storing and reading operating parameters, such as temperature and pressure, according to the present invention is identified with reference numeral 100.
  • the system 100 in the embodiment shown in figure 1 , has at least one device 1 for detecting and storing operating parameters characteristic of a tyre, at least one protection casing 2 adapted to receive the device 1 for detecting and storing the operating parameters of a tyre and fastening means 3 of the device 1 to a rim 14 of a tyre.
  • the fastening means 3 comprise a fastening member 4 for coupling the protection casing 2 to the rim 14 removably and adjustably depending on the size of the rim.
  • the reason for fastening to the rim of the device 1 is given by safety requirements since the rim 14 is a safe place from both dynamical strengths and mechanical stresses.
  • the fastening means 3 will be explained in more detail in the following.
  • the device 1 for detecting and storing the operating parameters of a tyre as better shown in figure 3, comprises:
  • the PCB electronic card comprises means for storing data related to temperature and pressure of the tyre which the device 1 for detecting and storing the operation parameters of a tyre is associated to.
  • a memory as means for storing data related to the temperature and pressure of the tyre, preferably a flash type memory.
  • the RFID transponder 6 further comprises a programmable timer for defining the sampling intervals.
  • the device 1 is completely contained in an apposite protection casing 2.
  • the protection casing 2 has an elongate containment body 9 comprising a base portion 10 and a removable lid 10' with respect to the base portion 10.
  • the containment body 9 has a substantially elongated shape arranged according to an arc of a circle.
  • two support portions 11 extend for support on the tyre rim 14 adapted to space by a predetermined height H the containment body 9 and in particular a radially inner surface 13 of the base portion 9 from the radially outer surface 15 of the rim 14.
  • the height H is greater than 0.5 cm, preferably greater than 0.6 cm.
  • the height H is lower than 2 cm, preferably lower than 1.5 cm.
  • the selection of the height H is such to bring the antenna 5 for receiving and transmitting signals in radio frequency to a distance of about 1 cm from the ground plane represented by the rim 14, substantially from the surface 15.
  • the supporting portions 11 comprise each one a slot, not directly visible in the figures, for associating the fastening member 4 to the protection casing 2.
  • the fastening means 3 comprise a fastening member 4, represented by a hose clamp 16 adapted to be circumferentially wound about the tyre rim 14 and at least one hinge element 27 for adjusting the winding length of the hose clamp 16 on the tyre and locking the same at a predetermined length so that the hose clamp adheres to the outer surface 15 of the tyre rim 14.
  • the hinge element 27 comprises at least one endless thread screw.
  • a special glue can be used on the rim 14 as fastening means, but vibrations, dynamical strengths and, sometimes, rust of the rim make it less effective.
  • fastening means 3 As fastening means 3 a screw fastening system has been tried.
  • an elastic rubber element such an elastic braid, can be used as fastening means 4.
  • the fastening means 3, as previously mentioned above, are such to reversibly, thus removably, associate the device 1 for detecting and storing the operating parameters of a tyre to the radially outer surface 15 of a rim.
  • the device 1 for detecting and storing the operating parameters of a tyre comprises: a (PCB) electronic card 22, a RFID integrated circuit 17 for identifying and managing the RFID transponder, a driving battery 18, a temperature sensor 7 and a pressure sensor 8.
  • the RFID integrated circuit 17 is an integrated chip able to manage the RFID communication and it is compatible with the class 1 and 2 epc standards and has a 3 m maximum reading distance.
  • the RFID integrated circuit 17 comprises a UID unique identification code which allows to uniquely identify the rim and the tyre the device 1 for detecting and storing the operating parameters of a tyre is associated to.
  • the RFID integrated circuit 17 is arranged centrally on the PCB electronic card 22 and comprises an integrated temperature sensor 7.
  • the temperature sensor 7 is preferably able to detect temperature values comprised between -20°C and 125°C.
  • the device 1 for detecting and storing the operating parameters of a tyre further comprises an electronic card.
  • the PCB electronic card 22 comprises a system named "LOG-IN” able to store the acquired data in programmable time intervals (0-9 h) and has the function of managing the pressure sensor 8.
  • the PCB electronic card 22 has a length extent L comprised between 15 cm and 20 cm.
  • the pressure sensor 8 is a pressure sensor of the type generally known to a skilled technician preferably able to detect pressure values comprised in the range between 1 and 14 bar.
  • the battery 18 is a 3V battery.
  • FIG 5 a schematic block structure of the device 1 for detecting and storing the operating parameters of a tyre is shown.
  • the device 1 according to the scheme shown in figure 5 comprises a driving battery 18, an electrical power managing unit 25, a pressure sensor 8, a digital controlling unit 24, an analog section 23 and a temperature sensor 7 and a RF interface with the relative antenna 5.
  • the unit 25 for managing electrical power is connected to the driving battery 18 which, as previously above mentioned, is a 3V lithium battery.
  • the unit 25 for managing electrical power generates two separated current lines: the first current line for the digital controlling unit 24 and the second current line for the analog section 23.
  • the pressure sensor 8 is a piezoelectric sensor, able to detect, as previously above mentioned, pressure values comprised in the interval between 1 and 14 bars in a temperature range from -40°C to 125°C.
  • the sensor 7 of inner temperature samples the inner temperature of the tyre substantially contemporaneously with the pressure sampling and it is integrated in the digital controlling unit 24.
  • the analog section 23 comprises an amplifier and an AID converter (analog to digital).
  • the amplifier reads and amplifies the voltage differential generated by the pressure sensor 8 at different pressure levels inside the tyre.
  • the differential of voltage coming from the amplifier is fed to the A/D converter for transforming in digital format.
  • the digital controlling unit 24 contains all logics to implement the activities of the device 1 and the data storing means preferably concerning pressure and temperature inside the tyre.
  • the RF section checks the wireless communication between the device and the outer RFID reader 20.
  • the RF section with its antenna 5, more extensively described in the following, can operate as a passive type transponder for reducing energy consumptions.
  • the system 100 for detecting, storing and reading operating parameters comprises, as above mentioned, a RFID reading member 20 for communicating with the said device 1.
  • RFID reading members 20 are readers for transponder of known type usually available in the market and they can be portable/ mobile or at fixed position named "gates".
  • such readers can be represented by PSION WORKABOUT 3 or MOTOROLA MC3190-Z readers.
  • the device 1 for detecting and storing operating parameters of a tyre comprises, as previously above mentioned, an antenna 5 and in particular an UHF antenna with transmission frequency comprised in the range between 850 MHz and 1000 MHz.
  • the antenna 5 extends at least for the whole extent length L of the PCB electronic card 22, preferably the antenna has a length greater than 15 cm.
  • the studied antenna 5 has the aim to maximize the power received from the device 1 for detecting and storing the operating parameters of a tyre in the particular conditions in which it is intended to operate.
  • the device 1 for detecting and storing operating parameters is in fact assembled on the rim inside a housing and the antenna 5 is therefore operating at a distance of about 1 cm from the ground plane represented by the rim.
  • the tyre acts, by means of the metallic wire present in its inside, as an imperfect "Faraday cage” which causes a partial shielding from external electromagnetic fields.
  • the used antenna type is the "over ground dipole” whose impedance is studied for obtaining the "matching" condition with the RFID integrated circuit 17 at the use frequency.
  • the matching of the imaginary part of the impedance is determined by the total length of the dipole (since an inductive behavior has to be obtained the dipole will have a length greater than lambda/2).
  • the matching of the real part of the impedance is determined by the distance of the antenna from the rim. ⁇
  • the implementation of the above said matching conditions ensures the maximum sensitivity of the transponder to the use frequency.
  • the matching condition has been obtained by considering all the characteristics of such a type of application and in particular:
  • the operation of the system 100 for detecting, storing and reading operating parameters, such as temperature and pressure, in a tyre comprising may provide the following steps:
  • the identification step provides:
  • the initialization step provides on the other hand:
  • the RFID transponder 6 selected autonomously, at the planned expiration, carries out the measurements of the instant values of pressure and temperature and records the same into the memory.
  • the data download step after the identifying and selecting step of a single RFID transponder 6, the data download command is issued for the data which are transmitted to the reading member 20.
  • FIG 6 a diagram of the operation stages of the device 1 for detecting and storing the operating parameters, such as temperature and pressure, of a tyre is shown.
  • the device 1 In order to reduce the consumptions of the driving battery 18, the device 1 is usually in a standby mode.
  • the standby mode can be stopped upon a request coming from the RFID reading member 20 or a request from the PCB electronic card 22 itself depending on a predetermined time interval set in the inner timer.
  • the request from the PCB electronic card 22 implies a reading and storing in memory step of the detected temperature and pressure data.
  • the request generated by the RFID reading member 20 can generate the reading of the previously stored data or the reading request for the current values, that is to say for the values detected at the request time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Fluid Pressure (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne un système (100) pour la détection, l'enregistrement et le relevé de paramètres de fonctionnement, tels que la température et la pression, dans un pneu, ce système comprenant: au moins un dispositif (1) de détection et d'enregistrement des paramètres de fonctionnement d'un pneu; au moins un boîtier de protection (2) conçu pour recevoir au moins partiellement le dispositif (1) de détection et d'enregistrement des paramètres de fonctionnement d'un pneu; et au moins un moyen de fixation (3) à une jante (14) de pneu. Le moyen de fixation (3) comprend un élément de fixation (4) permettant de raccorder au moins un boîtier de protection (2) à la jante (14) de manière amovible et réglable en fonction de la taille de la jante (14). Le dispositif (1) de détection et d'enregistrement des paramètres de fonctionnement d'un pneu comprend: au moins une antenne (5) pour la réception et l'émission de signaux en radiofréquence; au moins un transpondeur RFID (6) comprenant: au moins un capteur de température (7); au moins un capteur de pression (8).
PCT/IB2012/001720 2011-09-08 2012-09-07 Système tpms pour la détection, l'enregistement et le relevé de paramètres de fonctionnement dans un pneu Ceased WO2013034969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SM201400047T SMP201400047T2 (it) 2011-09-08 2014-04-04 Sistema tpms per la rilevazione, l'immagazzinamento e la lettura di parametri di funzionamento in unpneumatico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITRM2011A000471 2011-09-08
IT000471A ITRM20110471A1 (it) 2011-09-08 2011-09-08 Sistema per la rilevazione, l'immagazzinamento e la lettura di parametri di funzionamento in un pneumatico.

Publications (1)

Publication Number Publication Date
WO2013034969A1 true WO2013034969A1 (fr) 2013-03-14

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PCT/IB2012/001720 Ceased WO2013034969A1 (fr) 2011-09-08 2012-09-07 Système tpms pour la détection, l'enregistement et le relevé de paramètres de fonctionnement dans un pneu

Country Status (3)

Country Link
IT (1) ITRM20110471A1 (fr)
SM (1) SMP201400047T2 (fr)
WO (1) WO2013034969A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016104619A (ja) * 2014-11-07 2016-06-09 エルディーエル テクノロジー エスエーエス 圧力及び温度センサ箱を車両リム及び適当な箱に締着する装置
CN106121988A (zh) * 2016-08-29 2016-11-16 纽福克斯光电科技（上海）有限公司 一种蓝牙充气泵
CN106218329A (zh) * 2016-07-26 2016-12-14 成都之达科技有限公司 基于无线传感器的车辆参数采集方法
EP3275701A1 (fr) * 2016-07-29 2018-01-31 Alligator Ventilfabrik GmbH Dispositif de fixation d'un capteur de mesure, en particulier capteur de pression de pneu
WO2019042597A1 (fr) * 2017-08-28 2019-03-07 Continental Reifen Deutschland Gmbh Pneumatique de véhicule à système rfid

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09136517A (ja) * 1995-11-13 1997-05-27 Yokohama Rubber Co Ltd:The タイヤ装着用トランスポンダ及びその取り付け方法並びにトランスポンダ装着タイヤ
US20020039066A1 (en) * 1998-03-11 2002-04-04 Fuller Timothy C. Pneumatically actuated mounting apparatus and method for a tire inflation gas parameter monitoring system
US6805000B1 (en) * 2002-02-11 2004-10-19 Smartire Systems, Inc. Apparatus and method for mounting a tire condition sensor capsule to a wheel rim
EP1614550A1 (fr) * 2003-04-14 2006-01-11 The Yokohama Rubber Co., Ltd. Systeme d'acquisition de donnees de roue et dispositif de determination d'information de position d'installation de roue
US7082817B1 (en) * 2004-12-20 2006-08-01 Mobiletron Electronics Co., Ltd. Wireless tire pressure monitoring device (WTPMD) shell structure
EP1710098A1 (fr) * 2004-01-26 2006-10-11 The Yokohama Rubber Co., Ltd. Outil et procede de fixation d'objet d'installation sur une roue
US20060290484A1 (en) * 2005-06-22 2006-12-28 International Business Machines Corporation Method and system for locating tires using RFID

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09136517A (ja) * 1995-11-13 1997-05-27 Yokohama Rubber Co Ltd:The タイヤ装着用トランスポンダ及びその取り付け方法並びにトランスポンダ装着タイヤ
US20020039066A1 (en) * 1998-03-11 2002-04-04 Fuller Timothy C. Pneumatically actuated mounting apparatus and method for a tire inflation gas parameter monitoring system
US6805000B1 (en) * 2002-02-11 2004-10-19 Smartire Systems, Inc. Apparatus and method for mounting a tire condition sensor capsule to a wheel rim
EP1614550A1 (fr) * 2003-04-14 2006-01-11 The Yokohama Rubber Co., Ltd. Systeme d'acquisition de donnees de roue et dispositif de determination d'information de position d'installation de roue
EP1710098A1 (fr) * 2004-01-26 2006-10-11 The Yokohama Rubber Co., Ltd. Outil et procede de fixation d'objet d'installation sur une roue
US7082817B1 (en) * 2004-12-20 2006-08-01 Mobiletron Electronics Co., Ltd. Wireless tire pressure monitoring device (WTPMD) shell structure
US20060290484A1 (en) * 2005-06-22 2006-12-28 International Business Machines Corporation Method and system for locating tires using RFID

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016104619A (ja) * 2014-11-07 2016-06-09 エルディーエル テクノロジー エスエーエス 圧力及び温度センサ箱を車両リム及び適当な箱に締着する装置
CN106218329A (zh) * 2016-07-26 2016-12-14 成都之达科技有限公司 基于无线传感器的车辆参数采集方法
EP3275701A1 (fr) * 2016-07-29 2018-01-31 Alligator Ventilfabrik GmbH Dispositif de fixation d'un capteur de mesure, en particulier capteur de pression de pneu
CN106121988A (zh) * 2016-08-29 2016-11-16 纽福克斯光电科技（上海）有限公司 一种蓝牙充气泵
WO2019042597A1 (fr) * 2017-08-28 2019-03-07 Continental Reifen Deutschland Gmbh Pneumatique de véhicule à système rfid

Also Published As

Publication number Publication date
SMAP201400047A (it) 2014-09-08
SMP201400047T2 (it) 2015-07-09
ITRM20110471A1 (it) 2013-03-09

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