Two-way communication tire pressure monitoring system

A technology of tire pressure monitoring and two-way communication, applied in tire measurement, tire parts, transportation and packaging, etc., to achieve volume and weight reduction, cost reduction, simple and reliable installation and fixing

Inactive Publication Date: 2015-04-29
SHANGHAI BAOLONG AUTOMOTIVE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Multiple low-frequency antennas are used to transmit low-frequency wake-up signals respectively

Method used

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  • Two-way communication tire pressure monitoring system
  • Two-way communication tire pressure monitoring system

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Embodiment Construction

[0026] figure 2 A structural diagram of a TPMS system for two-way communication according to an embodiment of the present invention is shown. refer to figure 2 As shown, the TPMS system of this embodiment includes four transmitters 21 , one receiver 22 and four low-frequency antennas 23 . Each transmitter 21 can be respectively fixed on the tires of the automobile by means of external or built-in. Taking the external fixing method as an example, each transmitter 21 can be locked on the mouth of the valve exposed on the rim, and fixed on the rim through the valve. Taking the built-in fixing method as an example, each transmitter 21 can be fixed inside the rim by means of the part of the valve located inside the rim (refer to Chinese Patent Publication No. CN101890885A), or be fixed inside the rim by gluing. The four low-frequency antennas 23 can be fixed near the four transmitters 21, such as at the wheel housing or the fender.

[0027] The receiver 22 may be fixed inside...

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Abstract

The invention relates to a two-way communication tire pressure monitoring system. The two-way communication tire pressure monitoring system comprises a plurality of transmitters, a plurality of low-frequency antennas and a receiver, wherein a plurality of transmitters are fixed on an automobile rim respectively, each transmitter comprises a low-frequency receiving module for receiving a low-frequency wake-up signal; a plurality of low-frequency antennas are used for transmitting all low-frequency wake-up signals respectively; the receiver is arranged inside an automobile body and comprises one or more low-frequency driving modules which are connected with all low-frequency antennas in a wired manner for outputting all low-frequency wake-up signals to all low-frequency antennas respectively.

Description

technical field [0001] The invention relates to a tire pressure monitoring system for automobiles. Background technique [0002] In the tire pressure monitoring system (Tire Pressure Monitoring System, TPMS), the transmitter is installed on the rim of the car, monitors the pressure and temperature of the tire, and sends the pressure and temperature signal to the receiver in the car through wireless transmission. [0003] In order to prevent the transmitter from transmitting signals too frequently and causing excessive power consumption, some TPMS systems are equipped with a low-frequency trigger to wake up the transmitter when necessary, prompting the latter to transmit the aforementioned signal. figure 1 It shows the structure diagram of TPMS system with low-frequency wake-up function. refer to figure 1 As shown, the TPMS system includes 4 transmitters 11 , 4 low frequency triggers 12 and 1 receiver 13 . The transmitter 11 can be fixed on the rim through the valve. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/00B60C23/04B60C23/20
Inventor 孙路谢作伟龙潜
Owner SHANGHAI BAOLONG AUTOMOTIVE CORP
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