WO2007112630A1 - Système de surveillance et d'avertissement concernant les pneus de véhicule - Google Patents

Système de surveillance et d'avertissement concernant les pneus de véhicule Download PDF

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Publication number
WO2007112630A1
WO2007112630A1 PCT/CN2007/000149 CN2007000149W WO2007112630A1 WO 2007112630 A1 WO2007112630 A1 WO 2007112630A1 CN 2007000149 W CN2007000149 W CN 2007000149W WO 2007112630 A1 WO2007112630 A1 WO 2007112630A1
Authority
WO
WIPO (PCT)
Prior art keywords
tire
tire monitoring
warning system
temperature
pressure
Prior art date
Application number
PCT/CN2007/000149
Other languages
English (en)
Chinese (zh)
Inventor
Xian Zheng
Original Assignee
Xian Zheng
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 Xian Zheng filed Critical Xian Zheng
Publication of WO2007112630A1 publication Critical patent/WO2007112630A1/fr

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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
    • 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
    • B60C23/0479—Communicating with external units being not part of the vehicle, e.g. tools for diagnostic, mobile phones, electronic keys or service stations
    • 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
    • B60C23/0496—Valve stem attachments positioned outside of the tyre chamber

Definitions

  • the present invention relates to a safety device for a vehicle, and more particularly to a tire monitoring and warning system for a vehicle. Background technique
  • the object of the present invention is to provide a tire monitoring and warning system for a vehicle, which solves the problem of short radio transmission distance of a tire monitoring and early warning system of a vehicle in the prior art, and has higher integration degree, good sealing performance, and convenient installation and disassembly. And the cost is reduced.
  • a tire monitoring and warning system includes a tire monitoring device and an early warning device wirelessly communicating with the tire monitoring device, the tire monitoring device being installed in a nozzle of a tire, The data monitored by the tire monitoring device is wirelessly transmitted through the air nozzle.
  • the tire monitoring device is mounted to the tire nozzle through a nozzle connection assembly.
  • the tire monitoring device includes a temperature/pressure sensor, a microcontroller, a power source, and a wireless signal transmitter, wherein the temperature/pressure sensor, the power source, and the transmitter are respectively connected to the microcontroller for temperature/pressure of the tire of the vehicle Real-time monitoring is performed and the monitoring results are sent to the early warning device.
  • the microcontroller and the wireless signal transmitter are integrated on a PCB.
  • the temperature/pressure sensor is mounted in a sensing device that includes a sealing device.
  • the tire monitoring and early warning system of the invention increases the tire's tire nozzle as the radio antenna to transmit the tire monitoring data, increases the transmission distance of the tire monitoring device and the receiving distance of the warning device, and further ensures the reliability and safety of the vehicle. .
  • the integration of the whole system is higher, the cost is reduced, the installation and disassembly are more convenient, and the versatility is high.
  • the sensor adopts a sealed structure and has good sealing performance.
  • Fig. 1 is a schematic view showing the tire monitoring device installed in the external air nozzle of the tire in the tire monitoring and warning system of the present invention.
  • FIG. 2 is a perspective exploded view of the tire monitoring device in the tire monitoring and warning system of the present invention.
  • 3 is a schematic view showing the anti-theft installation of the tire monitoring device of the present invention.
  • the tire monitoring device 100 includes an upper cover 110, a battery 120, a PCB board 130, a sensing device 140, and a tamper-proof head 150.
  • the sensing device 140 includes an integral sensor cover 142, a sensor 144, a seal ring 146 and a sensor lower cover 148.
  • the upper cover 110 and the sensor lower cover 148 are assembled into a housing of the tire monitoring device 100.
  • the lower portion of the inner wall of the sensor lower cover 148 has a metal threaded structure adapted to the thread of the air nozzle 300 and can be screwed onto the air nozzle 300 for use as an assembly of the tire monitoring device 100 and the air nozzle 300.
  • the sensor 144 in the sensing device 140 of the tire monitoring device 100 of the present invention is mounted in the sensing device 140 and electrically coupled to the PCB 130 by thin wires.
  • a seal 146 is attached to the sensor 144 to block air pressure from the air nozzle 300.
  • the tires usually have water conditions. This structure fully solves the drawbacks of the sensor's difficulty in sealing, and greatly enhances the safety performance in use.
  • the sensor upper cover 142 of the sensing device 140 is a metal member having an inner wall having a threaded structure; the upper portion of the inner wall of the sensor lower cover 148 has a metal threaded structure adapted to the threaded structure of the sensor upper cover 142; and the PCB board 130
  • the adjacent sensor upper cover 142 is electrically connected to the PCB board 130, the sensor upper cover 142 and the sensor lower cover 148 are screwed together, and the sensor lower cover 148 is screwed to the air nozzle 300, thereby realizing the PCB board 130 and the sensor upper cover 142 and the sensor.
  • the lower cover 148, and the electrical conduction with the air nozzle 300 can also be made of other conductive materials.
  • the battery 120 is mounted on the PCB board 130 and has a non-detachable structure. Therefore, the tire monitoring apparatus 100 of such a structure cannot replace the battery. If you use a high-performance battery, because The tire monitoring device 100 has a lower energy consumption and the service life is still longer.
  • the tire monitoring device 100 is a replaceable battery structure.
  • a battery cover is provided in the area where the battery is installed to fix the battery, and after the battery is exhausted, the new battery can be inserted into the battery cover.
  • the tire monitoring device 100 of the present invention includes an anti-theft head 150 having an anti-theft function.
  • the sensor lower cover 148 of the tire monitoring device 100 is provided with a card slot structure corresponding to the burglar head 150.
  • the hexagonal screw is inserted into the three threaded holes of the anti-theft head 150 and fixed by a wrench, and the anti-theft head 150 is screwed to the tire air nozzle 300.
  • the circuit portion of the tire monitoring device 100 includes a microcontroller, peripheral components such as an LC matching network, and a high frequency signal transmitter.
  • Components such as a microcontroller, an LC matching network, and a high frequency signal transmitter are integrated on the PCB board 130.
  • the microcontroller is usually a single chip microcomputer.
  • the sensor, the high frequency signal transmitter and the battery are respectively connected to the microcontroller.
  • the high frequency signal transmitter passes through the LC matching network, and the gas nozzle connection assembly is electrically connected to the gas nozzle 300, and the gas nozzle 300 serves as an antenna to emit a signal.
  • the tire monitoring device 100 is mounted to the air nozzle 300 via a nozzle connection assembly, which in the present embodiment is the sensor lower cover 148 of the sensing device 140.
  • the tire monitoring device 100 Since the tire monitoring device 100 is mounted on the air nozzle 300 through the air nozzle connecting component, since the air nozzle of the current vehicle has a uniform specification, the tire monitoring device 100 has good versatility and is suitable for vehicles such as cars and trucks. Tires.
  • the senor is a single pressure/temperature sensor.
  • the pressure measurement range is OKpa - 1200Kpa. .
  • the high frequency signal transmitter is a radio frequency signal transmitter that uses a microcontroller to set the operating frequency and operating mode.
  • the operating frequency is set to 434 MHz by the single chip microcomputer, and the modulation mode FSK transmits the detected pressure/temperature RF data by Manchester coding. Controlled by a single-chip microcomputer every 6 seconds against pressure/temperature The sensor detects, the pressure is normally emitted every 4 minutes under normal conditions, and the alarm signal is immediately transmitted when the pressure temperature is abnormal.
  • the power source uses a lithium battery.
  • the microcontroller controls the transmission signal, and when the warning device automatically sounds and sounds, the user is reminded to replace the tire monitoring device or replace the battery in time.
  • the early warning device 200 includes a receiving antenna, a wireless signal receiver, an LCD display, a buzzer alarm device, a microcontroller, a keyboard, and a power source.
  • the microcontroller is usually a single chip microcomputer.
  • the wireless signal receiver can receive the radio frequency data of the demodulation modulation mode FSK or ASK, and transmit the signal received by the SPI bus serial interface to the microcontroller.
  • the microcontroller processes the received RF data, and if the detected pressure/temperature RF data is abnormal, the microcontroller controls an audible and visual alarm.
  • the early warning device 200 is an integrated design for receiving and displaying. Its function is to receive the signal transmitted by the tire monitoring device 100, and then process the received data and display it on the LCD display; when the air pressure and/or temperature reaches the alarm threshold, the LCD display will display the corresponding alarm status. And the audible alarm command and indicator will work at the same time. Before using, first make a position recognition learning, air pressure threshold setting, and unit display mode setting for the tire monitor.
  • the tire monitoring device 100 is mounted to each tire of the vehicle, and the tire display of the warning device 200 is provided with the tire position and the pressure/temperature value of the tire.
  • the corresponding tire pressure temperature value can be viewed by pressing the button.
  • the display controller circuit is equipped with a backlight that will illuminate when there is a button operation or an abnormal alarm.
  • a backlight that will illuminate when there is a button operation or an abnormal alarm.
  • the brightness of the LCD display can be enhanced, so that the user can clearly see the display content under the condition of dim light.
  • the power of the early warning device 200 can be powered by an internal lithium battery or by a DC power supply of an external vehicle. There is a lithium battery charging circuit in the receiving host. When the battery is low, the liquid crystal display will display the low battery symbol, reminding the user to charge in time. The battery symbol will jump when charging, indicating that charging is in progress; the charging symbol disappears when charging is completed, and there is a buzzer The sound reminds the user. DC power of external vehicle when charging
  • the early warning device 200 is designed for handheld portable wireless, easy to install, can be carried around, or placed on the bracket inside the car.
  • the invention can reduce the volume of the tire monitor by transmitting the signal of the tire air nozzle as the radio antenna, and increase the transmission distance and the receiving distance of the radio signal, thereby solving the problem of receiving and transmitting the warning device of the tire monitoring device, and ensuring the problem.
  • the tire monitoring and warning system can work stably.
  • the integration of the whole system is higher, the cost is reduced, the installation and disassembly are more convenient, and the versatility is high.
  • the sensor adopts a sealed structure and has good sealing performance.

Landscapes

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

Abstract

L'invention concerne un système de surveillance et d'avertissement relatif aux pneus de véhicule, qui consiste en une unité de surveillance de pneus (100) et une une unité d'avertissement (200) qui communique sans fil avec l'unité de surveillance (100). Ladite unité de surveillance (100) est installée sur la valve (300) à pneu par un ensemble liaison de valve. Les données dérivées de l'unité de surveillance de pneus (100) sont communiquées sans fil par le biais de la valve (300). Ladite unité de surveillance de pneus (100) comprend un capteur de température/pression, un microcontrôleur, une source électrique et un émetteur de données sans fil. Le capteur de température/pression, la source électrique et l'émetteur de données sans fil sont reliés au microcontrôleur respectivement. Le système surveille la température/pression des pneus et communique les résultats de la surveillance à l'unité d'avertissement (200).
PCT/CN2007/000149 2006-04-04 2007-01-16 Système de surveillance et d'avertissement concernant les pneus de véhicule WO2007112630A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200620013407.9 2006-04-04
CNU2006200134079U CN201048295Y (zh) 2006-04-04 2006-04-04 一种汽车轮胎监测预警装置

Publications (1)

Publication Number Publication Date
WO2007112630A1 true WO2007112630A1 (fr) 2007-10-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/000149 WO2007112630A1 (fr) 2006-04-04 2007-01-16 Système de surveillance et d'avertissement concernant les pneus de véhicule

Country Status (2)

Country Link
CN (1) CN201048295Y (fr)
WO (1) WO2007112630A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2472316A (en) * 2009-07-28 2011-02-02 Measurement Ltd A tyre pressure monitoring system using a wireless network

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103223829A (zh) * 2013-04-28 2013-07-31 无锡市崇安区科技创业服务中心 一种汽车轮胎报警装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5731516A (en) * 1995-06-07 1998-03-24 Handfield; Michael System and method for monitoring a pneumatic tire
US6034596A (en) * 1998-09-15 2000-03-07 Smith; Julian Motor vehicle tire pressure and temperature sensing system
US6199575B1 (en) * 1995-06-23 2001-03-13 Ronald D. Widner Miniature combination valve and pressure transducer system
CN2647618Y (zh) * 2003-06-05 2004-10-13 阎学贤 智能型轮胎气压警示器
US6888449B2 (en) * 2002-10-09 2005-05-03 Delphi Technologies, Inc. Circuits for coupling signals carrying information to a tire pressure monitoring system in the absence of a receiver
US6993962B1 (en) * 2005-03-11 2006-02-07 Yueh-Ying Ko Electronic wireless tire pressure monitoring apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5731516A (en) * 1995-06-07 1998-03-24 Handfield; Michael System and method for monitoring a pneumatic tire
US6199575B1 (en) * 1995-06-23 2001-03-13 Ronald D. Widner Miniature combination valve and pressure transducer system
US6034596A (en) * 1998-09-15 2000-03-07 Smith; Julian Motor vehicle tire pressure and temperature sensing system
US6888449B2 (en) * 2002-10-09 2005-05-03 Delphi Technologies, Inc. Circuits for coupling signals carrying information to a tire pressure monitoring system in the absence of a receiver
CN2647618Y (zh) * 2003-06-05 2004-10-13 阎学贤 智能型轮胎气压警示器
US6993962B1 (en) * 2005-03-11 2006-02-07 Yueh-Ying Ko Electronic wireless tire pressure monitoring apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8098146B2 (en) 2007-10-26 2012-01-17 Measurement Ltd. Tire pressure monitoring system using wireless network
US8618925B2 (en) 2007-10-26 2013-12-31 Measurement, Ltd. Tire pressure monitoring system using wireless network
GB2472316A (en) * 2009-07-28 2011-02-02 Measurement Ltd A tyre pressure monitoring system using a wireless network
GB2472316B (en) * 2009-07-28 2015-12-30 Measurement Ltd Tire pressure monitoring system using wireless network

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