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Method and apparatus for position replacing and identification code changing of emitters of TPMS system

A technology of transmitter and identification code, which is applied in the directions of transportation and packaging, tire measurement, tire parts, etc. It can solve the problems of unintuitive, easy to misuse, and cannot change the identification code at the same time, so as to simplify the operation and increase the cost Effect

Inactive Publication Date: 2013-09-18
BAOLONG HUF SHANGHAI ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this method is that it is not intuitive, it is easy to misuse, and it must be operated on a single car, and the identification code cannot be changed at the same time. When multiple transmitters need to update the identification code, they need to be updated one by one, which is time-consuming, and deflation and inflation also takes more time

Method used

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  • Method and apparatus for position replacing and identification code changing of emitters of TPMS system
  • Method and apparatus for position replacing and identification code changing of emitters of TPMS system
  • Method and apparatus for position replacing and identification code changing of emitters of TPMS system

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Embodiment Construction

[0041] figure 1 A system block diagram of an embodiment of the present invention is shown. refer to figure 1 As shown, the system includes a TPMS system 100 and a multimedia playback device 200 . The TPMS system 100 includes four TPMS transmitters 101a, 101b, 101c and 101d, which can be respectively located on the 4 wheels of the car. Each of the TPMS transmitters 101a, 101b, 101c and 101d can be a built-in transmitter, in which case they can be fixed on the rim of the wheel and combined with the valve. figure 2 An exemplary built-in transmitter 101 is shown.

[0042]Each TPMS transmitter contains a unique identification code. Each TPMS transmitter 101a, 101b, 101c and 101d is equipped with a temperature and pressure sensor, MCU and radio frequency module inside. The temperature and pressure sensor can convert the detected tire pressure into an electrical signal. The MCU works intermittently, reads the detected pressure and battery power data from the register of the te...

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Abstract

The invention relates to a method and an apparatus for position replacing and identification code changing of emitters of a TPMS system. The apparatus comprises a multimedia playing device and a receiver. The multimedia playing device outputs an emitter transposition protocol frame to the receiver when receiving an emitter position replacing instruction and selection of two emitters in need of replacing of positions. The multimedia playing device outputs an identification code changing protocol frame to the receiver when receiving an identification code changing instruction and a changed emitter identification code from an input device. A memory of the receiver stores a plurality of emitter positions and identification codes. Positions of the two emitters in the memory are replaced according to the emitter transposition protocol frame, and the identification code of one emitter in the memory is changed according to the identification code changing protocol frame. Compared with conventional operation modes, a scheme provided by the invention has the advantages of low cost and simplified operation.

Description

technical field [0001] The invention relates to a tire pressure monitoring (TPMS) system of an automobile, in particular to a method and a device for changing the position of a transmitter of the TPMS system and changing an identification code. Background technique [0002] The tire pressure monitor system (Tire Pressure Monitor System, TPMS) is a system that realizes real-time monitoring of tire pressure through a tire pressure sensing unit and a tire pressure monitoring unit using radio frequency communication. [0003] In order to realize real-time monitoring, the system installs a TPMS transmitter on each tire, which can monitor the pressure and temperature in the tire and send it to the receiver in the car. The association between each TPMS transmitter and tire position (eg left front, right front, left rear, right rear) has been pre-established in the TPMS receiver. After receiving the pressure and temperature information from the TPMS transmitter, the identification ...

Claims

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Application Information

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IPC IPC(8): B60C23/04
Inventor 孙路
Owner BAOLONG HUF SHANGHAI ELECTRONICS CO LTD
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