Operation method for wireless tire pressure monitoring system

A monitoring system and operation method technology, applied in tire measurement, tire parts, transportation and packaging, etc., can solve the problems of shortening the service life of wireless tire pressure monitoring system, damage, failure of gravity acceleration sensor, etc.

Inactive Publication Date: 2017-12-01
GOFULL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the sensing components in the G-acceleration sensor usually have a spring-like structure, which is easily damaged by rough road conditions, which will lead to the failure of the G-acceleration sensor, thereby shortening the service life of the wireless tire pressure monitoring system

Method used

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  • Operation method for wireless tire pressure monitoring system
  • Operation method for wireless tire pressure monitoring system
  • Operation method for wireless tire pressure monitoring system

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Embodiment Construction

[0030] According to an embodiment of the present invention, figure 1 A schematic structural diagram of the wireless tire pressure monitoring system 1 is schematically shown. The wireless tire pressure monitoring system 1 can be set on the wheel frame of the vehicle, or can be set on the vehicle tire (for example, embedded in the inner side of the vehicle tire which is not in contact with the road surface, or fixed on the surface inside the vehicle tire). Such as figure 1 As shown, the wireless tire pressure monitoring system 1 may include: a magnetometer 3 for measuring the magnetic flux value; a pressure sensor 5 for measuring the pressure value in the tire of the vehicle; a controller 7, together with the magnetometer 3 and the pressure sensor 5 signal connection; and the wireless signal transmitter 9, which is connected with the controller 7 and controlled by the controller 7. In one embodiment, the controller 7 is configured to receive the magnetic flux value measured by...

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Abstract

The invention relates to an operation method for a wireless tire pressure monitoring system which is arranged on a tire or a wheel frame of a vehicle and includes: a magnetometer; a pressure sensor; a controller which is connected to the magnetometer and the pressure sensor through signals; and a wireless signal emitter, which is connected to the controller through signals and is controlled thereby. The operation method includes the steps as follows: a) measuring magnetic flux value with the magnetometer; b) measuring pressure value in the vehicle tire with the pressure sensor; c) receiving the magnetic flux value, which is measured by the magnetometer, and the pressure value, which is measured by the pressure sensor, by the controller, and determining whether fluctuation is generated in the magnetic flux value or not; d) when the controller determines fluctuation is generated in the magnetic flux value, starting the wireless signal emitter or increasing the emission times of the wireless signal emitter in per minute by the controller, and emitting a signal representing the pressure value through the wireless signal emitter.

Description

technical field [0001] The invention relates to an operation method of a wireless tire pressure monitoring system. Background technique [0002] In conventional wireless tire pressure monitoring systems, in order to reduce battery consumption, a gravity acceleration sensor (G-sensor) is usually used as a switch of a wireless signal transmitter. Specifically, when the vehicle is stationary, the gravitational acceleration sensor will not sense any change in the gravitational acceleration. At this time, the wireless signal transmitter is not activated and is in a dormant state, thereby reducing battery consumption. Conversely, when the vehicle is moving, the acceleration of gravity sensor can sense the change of the acceleration of gravity. At this time, the controller of the wireless tire pressure monitoring system can activate the wireless signal transmitter according to the measurement result of the acceleration of gravity sensor to transmit the wireless signal. device is i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/20B60C23/04
CPCB60C23/20B60C23/045
Inventor 庄秀萍
Owner GOFULL TECH
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