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Flat tire pressure monitoring module

A tire pressure monitoring and puncture technology, which is applied in the field of puncture tire pressure monitoring module, temperature monitoring, and tire tire pressure, can solve the problems of difficult sampling and early warning, and inability to monitor and sample tire pressure information, so as to solve the problem of service life. Effect

Inactive Publication Date: 2010-08-04
傅黎明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the prior art TPMS cannot be applied to the monitoring and sampling of rapidly changing tire pressure information, and it is difficult to sample and give early warning for rapid deflation such as a blowout event with an action time of hundreds of milliseconds

Method used

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Embodiment Construction

[0017] The technical solution of the present invention has been described in detail in the content of the invention. The tire pressure monitoring module changes the tire pressure sampling frequency, sampling content and changes the sampling information data packet transmission according to the dangerous tire pressure setting threshold Py according to the accompanying drawings. The flow chart of the launch interval program is described in detail.

[0018] As shown in the figure, the default sampling frequency of the blown tire pressure monitoring module is to wake up and sample once every 6 seconds. After waking up, the acceleration a is first sampled. If the acceleration a=0, that is, the speed V=0 (according to a and V The functional relationship), enter the sleep state and wait for 6 seconds before waking up again. If 0set threshold Py, the sampling information packet is not sent, and the MCU enters the sleep state and wakes up again after waiting for 6 seconds.

[0019] W...

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Abstract

The invention provides a flat tire pressure monitoring module, which is characterized by changing sampling frequency and sampling content of tire pressure according to automobile speed and changing transmission intervals of sampling information data packets according to a set threshold Py of dangerous tire pressure.

Description

technical field [0001] The invention relates to the technical field of automobile driving safety, in particular to a tire pressure and temperature monitoring technology, and specifically refers to a tire pressure monitoring module for a blown tire. Background technique [0002] The impact of tire pressure on vehicle driving safety has always been concerned by the automotive industry and the public, and the tire pressure monitoring system (TPMS) has become an optional or standard product for vehicles. The mainstream technical solution of TPMS is: TPMS consists of two parts: the tire pressure monitoring module installed in the tire (including tire pressure monitoring and signal transmission, RTPM: Remote Tire Pressure Monitoring.) and the central monitor (LCD) installed in the cab monitor). The central monitor receives and processes the information transmitted by the tire pressure monitoring module, and displays the data of each tire pressure and temperature on the LCD screen...

Claims

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Application Information

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IPC IPC(8): B60C23/04B60C23/02
Inventor 傅黎明
Owner 傅黎明
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