CN107116977B - Intelligent tire - Google Patents

Intelligent tire Download PDF

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Publication number
CN107116977B
CN107116977B CN201710368730.0A CN201710368730A CN107116977B CN 107116977 B CN107116977 B CN 107116977B CN 201710368730 A CN201710368730 A CN 201710368730A CN 107116977 B CN107116977 B CN 107116977B
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CN
China
Prior art keywords
conductive polymer
sheet
polymer sensor
tire
shaped conductive
Prior art date
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Application number
CN201710368730.0A
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Chinese (zh)
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CN107116977A (en
Inventor
王�锋
李明
隋海涛
郑龙跃
刘帅
滕利然
王少静
张贯超
孙建磊
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.)
Shandong Linglong Tyre Co Ltd
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Shandong Linglong Tyre Co Ltd
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Publication date
Application filed by Shandong Linglong Tyre Co Ltd filed Critical Shandong Linglong Tyre Co Ltd
Priority to CN201710368730.0A priority Critical patent/CN107116977B/en
Publication of CN107116977A publication Critical patent/CN107116977A/en
Priority to PCT/CN2018/077109 priority patent/WO2018214601A1/en
Priority to EP18806383.8A priority patent/EP3603998B1/en
Priority to US16/609,215 priority patent/US11548329B2/en
Priority to RS20220526A priority patent/RS63287B1/en
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Publication of CN107116977B publication Critical patent/CN107116977B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices 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
    • B60C23/06Signalling 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
    • B60C23/064Signalling 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 comprising tyre mounted deformation sensors, e.g. to determine road contact area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00Devices 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C2200/00Tyres specially adapted for particular applications
    • B60C2200/04Tyres specially adapted for particular applications for road vehicles, e.g. passenger cars

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

Abstract

The invention discloses an intelligent tire, which comprises a tire body, a sheet-shaped conductive polymer sensor, a micro-control unit, an RF unit, an upper host and an RF circuit, wherein the sheet-shaped conductive polymer sensor is adhered to an inner liner layer in a crown, one end of the sheet-shaped conductive polymer sensor is connected with the micro-control unit through the RF unit, the other end of the sheet-shaped conductive polymer sensor is connected with the upper host through the RF circuit, a processor is electrically connected with a power supply module, the processor is connected with a display screen and a sound alarm in a control manner, and a communication port is connected with the processor. The intelligent tire is designed for early warning of dangerous use conditions, the tire state can be comprehensively judged by utilizing the amplitude value and the running temperature of the strain of the crown part and matching with a fitting function, the strain amplitude value and the running temperature can be obtained simultaneously by utilizing a single conductive polymer sensor, the early warning of various dangerous working conditions of the tire can be realized, and the sheet conductive polymer sensor has low cost and is suitable for popularization.

Description

Intelligent tire
Technical Field
The invention relates to the technical field of early warning tires, in particular to an intelligent tire capable of early warning dangerous use conditions.
Background
The tire is an important component of an automobile running system, and the tire characteristics directly influence the automobile performances such as the safety, smoothness, comfort, transportation efficiency and the like of the automobile running. According to the statistics of the national department of transportation information center, tire burst, fatigue driving and overspeed driving are three important reasons for highway traffic accidents, wherein tire burst becomes a primary factor due to the complexity and uncontrollability of tire pressure and temperature effects. The traffic accident caused by the tire fault causes huge loss to society, and how to prevent the tire from bursting becomes an important research subject in the technical field of automobile electronics. While tire pressure monitoring systems are currently available for monitoring the air pressure/temperature of tires, dangerous tire usage conditions are not solely dependent on the air pressure/temperature of the tires, and general tire pressure monitoring is difficult to timely early warn all dangerous conditions. Meanwhile, the existing tire pressure monitoring system sensor is high in cost, and the application range of the sensor is limited.
Disclosure of Invention
The invention aims to provide an intelligent tire, which solves the problems that the existing tire pressure monitoring in the background technology is difficult to timely early warn all dangerous working conditions and the cost of a sensor of a tire pressure monitoring system is high.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an intelligent tire, contains tire body, tread layer, neutral layer, inner liner, slice conductive polymer sensor, micro-control unit, RF unit, host computer and RF circuit in the upper position, the tire body from outer to having set gradually tread layer, neutral layer and inner liner in to interior, slice conductive polymer sensor adhesion is on the inner liner in the crown, slice conductive polymer sensor's one end pass through RF unit and micro-control unit to be connected, slice conductive polymer sensor's the other end passes through RF circuit and host computer to be connected in the upper position, host computer contain power module, communication port, display screen, audible alarm ware, button ingest module and treater, treater and power module electric connection, treater and display screen and audible alarm ware control connection, communication port and treater interconnect, just the button ingest the module switch-on treater.
Preferably, the sheet-shaped conductive polymer sensor is bonded with the inner liner layer by glue.
Preferably, the sheet-shaped conductive polymer sensor is integrated with the inner liner layer by adopting a low-temperature low-pressure vulcanization mode.
Preferably, the sheet-like conductive polymer sensor has a positive temperature effect and a positive tension effect.
Preferably, the sheet-shaped conductive polymer sensor is made of conductive rubber.
Preferably, the RF circuit is a semi-active RFID.
Compared with the prior art, the invention has the beneficial effects that: the intelligent tire is designed for early warning of dangerous use conditions, can comprehensively judge the state of the tire by utilizing the amplitude value and the running temperature of the strain of the crown and matching with a fitting function, can acquire the amplitude value and the running temperature of the strain simultaneously by utilizing a single conductive polymer sensor, can realize early warning of various dangerous working conditions of the tire, and has low cost and is suitable for popularization.
Drawings
FIG. 1 is an illustration of the attachment position of a sheet-like conductive polymer sensor according to the present invention;
FIG. 2 is a schematic diagram of the components of the intelligent tire system of the present invention;
FIG. 3 is a schematic view of the structure of a crown deformation in a rolling condition of the tyre;
fig. 4 is a schematic representation of the nominal tension of the crown of a tire in a rolling state.
In the figure: 1. the tire comprises a tire body, 2, a tread layer, 3, a neutral layer, 4, an inner liner layer, 5, a sheet-shaped conductive polymer sensor, 6, a micro control unit, 7, an RF unit, 8, an upper host, 9, an RF circuit, 8-1, a power supply module, 8-2, a communication port, 8-3, a display screen, 8-4, an acoustic alarm, 8-5, a key intake module, 8-6 and a processor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the intelligent tire comprises a tire body 1, a tread layer 2, a neutral layer 3, an inner liner 4, a sheet-shaped conductive polymer sensor 5, a micro control unit 6, an RF unit 7, an upper host 8 and an RF circuit 9, wherein the tread layer 2, the neutral layer 3 and the inner liner 4 are sequentially arranged on the tire body 1 from outside to inside, the sheet-shaped conductive polymer sensor 5 is adhered to the inner liner 4 in a crown, the sheet-shaped conductive polymer sensor 5 is adhered to the inner liner 4 by adopting glue or is integrated with the inner liner 4 in a way of low-temperature low-pressure vulcanization, one end of the sheet-shaped conductive polymer sensor 5 is connected with the micro control unit 6 through the RF unit 7, the other end of the sheet-shaped conductive polymer sensor 5 is connected with the upper host 8 through the RF circuit 9, the RF circuit 9 is a semi-active RFID, the sheet-shaped conductive polymer sensor 5 is made of conductive rubber, and the sheet-shaped conductive polymer sensor 5 has a positive temperature effect, namely, the impedance of the sheet-shaped conductive polymer sensor 5 can rise along with the temperature rise, so that a temperature signal of the running tire can be obtained; meanwhile, as the sheet-shaped conductive polymer sensor 5 has a switching temperature, namely when the temperature exceeds the switching temperature, the impedance of the sheet-shaped conductive polymer sensor 5 can be increased sharply, so that a high-temperature alarm signal can be obtained, the switching temperature of the sheet-shaped conductive polymer sensor 5 is higher than the normal use internal temperature of a tire but not higher than the internal temperature when the rubber of the tire is damaged, the sheet-shaped conductive polymer sensor 5 has a positive tension effect, namely the impedance of the sheet-shaped conductive polymer sensor is increased in a stretching state and reduced in a compression state, and as the circumferential nominal tension change amplitude of the crown part of the tire reaches the maximum at a stepping-in/stepping-out position, the maximum amplitude of the impedance change of the sheet-shaped conductive polymer sensor 5 can be caused, the upper host computer 8 comprises a power supply module 8-1, a communication port 8-2, a display 8-3, a sound alarm 8-4, a key intake module 8-5 and a processor 8-6, the processor 8-6 is electrically connected with the power supply module 8-1, the processor 8-6 is in control connection with the display 8-3 and the sound alarm 8-4, and the communication port 8-2 is connected with the processor 8-6 in a bidirectional manner, and the key intake module 8-6 is connected with the processor 8-5.
Working principle: the impedance of the sheet-shaped conductive polymer sensor 5 adhered to the inner liner 4 in the tyre body 1 crown is influenced by temperature and strain, the micro control unit 6 controls the RF unit 7 to scan the frequency of the sheet-shaped conductive polymer sensor 5 in order to separate out temperature and strain signals, then the impedance change of the sheet-shaped conductive polymer sensor 5 is analyzed through main cause analysis, the impedance change caused by the temperature and strain is separated out, temperature/strain information is obtained, the sheet-shaped conductive polymer sensor 5 transmits temperature and strain data to the upper host computer 8 through the RF circuit, the upper host computer 8 substitutes the data into a fitting formula calculated by a danger coefficient imported by the communication port 8-2 to calculate, and the danger coefficient of tyre operation is obtained, and after the running exceeding the set danger coefficient for a certain time, the upper host computer 8 alarms through the display screen 8-3 and the sound alarm 8-4, thus the working principle of the intelligent tyre is realized.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. An intelligent tire, includes tire body (1), slice conductive polymer sensor (5), little control unit (6), RF unit (7), host computer (8) and RF circuit (9), its characterized in that: the tire comprises a tire body (1), wherein a tire surface layer (2), a neutral layer (3) and an inner liner (4) are sequentially arranged from outside to inside, a sheet-shaped conductive polymer sensor (5) is adhered to the inner liner (4) in a crown, one end of the sheet-shaped conductive polymer sensor (5) is connected with a micro-control unit (6) through an RF unit (7), the other end of the sheet-shaped conductive polymer sensor (5) is connected with an upper host computer (8) through an RF circuit (9), the upper host computer (8) comprises a power supply module (8-1), a communication port (8-2), a display screen (8-3), an acoustic alarm (8-4), a key intake module (8-5) and a processor (8-6), the processor (8-6) is electrically connected with the power supply module (8-1), the processor (8-6) is in control connection with the display screen (8-3) and the acoustic alarm (8-4), the communication port (8-2) is connected with the processor (8-6) and the key intake module (8-6) is connected with the processor (8-6);
the sheet-shaped conductive polymer sensor (5) has a positive temperature effect and a positive tension effect;
the sheet-shaped conductive polymer sensor (5) is made of conductive rubber;
the sheet-shaped conductive polymer sensor (5) is bonded with the inner liner (4) by adopting glue or is integrated with the inner liner (4) by adopting a low-temperature low-pressure vulcanization mode;
the working principle of the intelligent tire is as follows: the impedance of the sheet-shaped conductive polymer sensor (5) adhered to the inner liner (4) in the crown of the tire body (1) is influenced by temperature and strain, an RF unit (7) is controlled by a micro control unit (6) to perform frequency scanning on the sheet-shaped conductive polymer sensor (5) in order to separate temperature and strain signals, then impedance changes of the sheet-shaped conductive polymer sensor (5) are analyzed through main cause analysis, temperature/strain information is obtained by separating the impedance changes caused by the temperature and strain, then the sheet-shaped conductive polymer sensor (5) transmits temperature and strain data to an upper host (8) through an RF circuit, the upper host (8) substitutes the data into a fitting formula of dangerous coefficient calculation led in by a communication port (8-2) to calculate the dangerous coefficient of the operation of the tire, and the upper host (8) alarms through a display screen (8-3) and an audible alarm (8-4) after the set dangerous coefficient is operated for a certain time.
2. An intelligent tire as in claim 1, wherein: the RF circuit (9) is a semi-active RFID.
CN201710368730.0A 2017-05-23 2017-05-23 Intelligent tire Active CN107116977B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201710368730.0A CN107116977B (en) 2017-05-23 2017-05-23 Intelligent tire
PCT/CN2018/077109 WO2018214601A1 (en) 2017-05-23 2018-02-24 Intelligent tire
EP18806383.8A EP3603998B1 (en) 2017-05-23 2018-02-24 Intelligent tire
US16/609,215 US11548329B2 (en) 2017-05-23 2018-02-24 Intelligent tire
RS20220526A RS63287B1 (en) 2017-05-23 2018-02-24 Intelligent tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710368730.0A CN107116977B (en) 2017-05-23 2017-05-23 Intelligent tire

Publications (2)

Publication Number Publication Date
CN107116977A CN107116977A (en) 2017-09-01
CN107116977B true CN107116977B (en) 2023-07-14

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CN201710368730.0A Active CN107116977B (en) 2017-05-23 2017-05-23 Intelligent tire

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RS63287B1 (en) 2017-05-23 2022-06-30 Shandong linglong tyre co ltd Intelligent tire
CN108346197A (en) * 2018-04-27 2018-07-31 山东玲珑轮胎股份有限公司 Automatic recognition and pattern depth early warning system for mileage used by tire
IT201900002337A1 (en) * 2019-02-18 2020-08-18 Bridgestone Europe Nv Sa PERFECTED RFID DEVICE FOR TIRES
CN111994066B (en) * 2020-10-29 2021-01-29 北京航空航天大学 Intelligent automobile sensing system based on intelligent tire touch sensing
CN114851785B (en) * 2022-05-27 2023-11-28 清华大学苏州汽车研究院(相城) Intelligent network tyre monitoring system, method and equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852717A (en) * 1971-11-22 1974-12-03 Nissan Motor Device for automatically detecting abnormal conditions in vehicle tires
TW536489B (en) * 2002-10-25 2003-06-11 Lite On Automotive Corp Tire pressure alarming device comprising non-battery tire pressure detector
CN101460321A (en) * 2006-04-25 2009-06-17 普利斯通及风驰通北美轮胎有限责任公司 Elastomeric article with wireless micro and nano sensor system
CN101486303A (en) * 2007-12-18 2009-07-22 固特异轮胎和橡胶公司 Tire with integral sensor mount
CN106476311A (en) * 2015-08-24 2017-03-08 韩国轮胎株式会社 Pneumatic tire including sensor patch and be used for manufacturing this airtyred method
CN206124635U (en) * 2016-08-29 2017-04-26 无锡卓信信息科技股份有限公司 Vehicle tyre intelligent monitoring system based on radio frequency identification technology
CN206733974U (en) * 2017-05-23 2017-12-12 山东玲珑轮胎股份有限公司 Intelligent tire

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852717A (en) * 1971-11-22 1974-12-03 Nissan Motor Device for automatically detecting abnormal conditions in vehicle tires
TW536489B (en) * 2002-10-25 2003-06-11 Lite On Automotive Corp Tire pressure alarming device comprising non-battery tire pressure detector
CN101460321A (en) * 2006-04-25 2009-06-17 普利斯通及风驰通北美轮胎有限责任公司 Elastomeric article with wireless micro and nano sensor system
CN101486303A (en) * 2007-12-18 2009-07-22 固特异轮胎和橡胶公司 Tire with integral sensor mount
CN106476311A (en) * 2015-08-24 2017-03-08 韩国轮胎株式会社 Pneumatic tire including sensor patch and be used for manufacturing this airtyred method
CN206124635U (en) * 2016-08-29 2017-04-26 无锡卓信信息科技股份有限公司 Vehicle tyre intelligent monitoring system based on radio frequency identification technology
CN206733974U (en) * 2017-05-23 2017-12-12 山东玲珑轮胎股份有限公司 Intelligent tire

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