Method for monitoring pressure vehicle tyre and system of realizing said method

A technology of air pressure change and monitoring system, which is applied in tire measurement, tire parts, vehicle parts, etc. It can solve the problems of difficult to accurately determine the location of faulty tires, the inability to judge tire pressure changes, and different tire speeds, so as to avoid accidents , shorten the measurement process, improve the effect of response ability

Inactive Publication Date: 2005-06-08
汕头市濠江区东奇汽车科技有限公司
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Problems solved by technology

[0004] But in fact, the effective radius of each tire of a motor vehicle is often different, not only because the effective radius of different brands is slightly different, but also due to the different degree of wear and tear, the effective radius is also different, resulting in the speed of each tire at the same speed. Therefore, the method or system that only establishes corresponding standards according to tire specifications to adapt to different situations for comparison and judgment still has the problem of poor alarm accuracy. In addition, such methods and systems cannot judge the tire pressure when the vehicle is turning. It is also difficult to accurately determine the location of the faulty tire

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  • Method for monitoring pressure vehicle tyre and system of realizing said method
  • Method for monitoring pressure vehicle tyre and system of realizing said method
  • Method for monitoring pressure vehicle tyre and system of realizing said method

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specific Embodiment approach

[0072] The steps or program design of the specific embodiment can be roughly divided into two parts, that is, the reference value establishment part and the detection part. There are also some common steps between the two parts, which can be designed as another common part. The number of tire rotations, data validity inspection and calculation of the rotational speed of each tire, etc., the two parts are separated after judging the learning marks, and enter their respective substantive procedures.

[0073] In the reference value establishment part, two sets of data need to be measured, mainly including the learning value of each tire, the validity test of the learning value, the establishment of the quasi-reference value, and the establishment of the reference data to determine the reference value of the speed. This process is called learning. It is to establish reference data as a comparative judgment.

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Abstract

A method for monitoring the pressure viration of car's tyre includes such steps as acquiring the data of different kinds of tyre, creating the rotation speed database of each kind of tyre by calculation, comparing the measured real-time data with the data in database for relative tyre, determining the variation of tyre pressure, and generating alarm if it is under-pressure. Its system is also disclosed.

Description

technical field [0001] The invention relates to an indirect detection method and system for changes in tire pressure of automobiles. More specifically, it is a detection method for calculating the rotation speed of the wheels by measuring the number of rotations of the wheels, and judging the changes in tire pressure through comparative analysis. methods and systems. Background technique [0002] In the prior art, pressure sensors are usually installed on tires to measure the air pressure of moving car tires, and alarms are given for over- and under-pressure situations according to the air pressure. The main disadvantage of this type of direct measurement device is that it will The air pressure of the tires changes greatly, which makes it difficult to set the critical value of the air pressure alarm, and there is a problem that false alarms are prone to occur. In addition, such devices usually use wireless transmission and reception to realize signal transmission, which is e...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/06
Inventor 朱友从
Owner 汕头市濠江区东奇汽车科技有限公司
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