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Method for determining rapid air leakage of tyre

A tire, fast technology, applied in tire measurement, tire parts, transportation and packaging, etc., can solve problems such as danger, achieve the effect of improving detection and alarm speed and shortening alarm time

Inactive Publication Date: 2012-06-06
LIANCHUANG AUTOMOBILE ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But if the leak is very fast, it is very dangerous to take such a long time to detect the leak

Method used

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  • Method for determining rapid air leakage of tyre
  • Method for determining rapid air leakage of tyre
  • Method for determining rapid air leakage of tyre

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Experimental program
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Embodiment Construction

[0016] The tire pressure monitoring system is mainly composed of two parts, see figure 1 , the first part is the sensor 1, which is installed inside the tire 2, fixed on the hub through the valve, and can monitor the temperature, pressure and acceleration of the tire 2 in real time. in combination figure 2 As shown, the second part is the receiving display 3, which is installed in the cockpit where the driver is easy to observe (some are directly displayed by the instrument), which can display the current tire pressure, temperature and fault conditions, so that the driver can understand the condition of the tire. situation. Signal transmission is performed between the sensor 1 and the receiving display 3 through high-frequency wireless signals.

[0017] The sensor 1 installed in the tire 2 can continuously measure the pressure and temperature of the tire, and can determine whether the tire is leaking through analysis; if the tire 2 is found to be leaking quickly, the result...

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Abstract

The invention discloses a method for determining the rapid air leakage of a tyre. The method comprises the following steps: 1, detecting the pressure of the tyre each 6s; 2, executing step 3 if one detected pressure value is above 0.30bar lower than a last detected pressure vale, and returning to step 1 if not; 3, detecting the pressure of the tyre at the seventh second, and determining whether the obtained seventh-second pressure value of the tyre is equal to or greater than 0.04bar lower than the sixth-second pressure value, executing step 4 if the seventh-second pressure value is equal to or greater than 0.04bar lower than the sixth-second pressure value, and returning to the step 1 if not; and 4, detecting the eight-second pressure of the tyre, determining whether the obtained eighth-second pressure value of the tyre is equal to or greater than 0.04bar lower than the seventh-second pressure value, timely alarming if the eighth-second pressure value of the tyre is equal to or greater than 0.04bar lower than the seventh-second pressure value, and returning to the step 1 if not, wherein a case that the eighth-second pressure value of the tyre is equal to or greater than 0.04bar lower than the seventh-second pressure value shows that the air leakage of the tyre is fast carried out. The method of the invention can improve the detection of the rapid air leakage of the tyre and the alarming speed of a tyre pressure monitoring system.

Description

technical field [0001] The invention relates to a tire pressure detection system in the field of automotive electronics, in particular to a method for judging rapid tire air leakage. Background technique [0002] Automobile is a modern means of transportation and has become an indispensable means of transportation for people's daily life. With the development of the automobile industry, people pay more and more attention to safety. TPMS (Tire Pressure Monitoring System) is the product of this safety revolution. Many countries have adopted legal means to use TPMS as a standard accessory for automobiles. [0003] As the tire is an important part of the car running mechanism, it not only bears the weight of the car, but also provides propulsion for the car to move forward, and plays a role in easing the impact of the ground. TPMS can monitor tires in real time, remind drivers to pay attention to potential safety hazards, and prevent accidents in advance. [0004] At present, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/04B60C23/20
Inventor 郭长江韩本忠黄东亚梁路军顾常飞
Owner LIANCHUANG AUTOMOBILE ELECTRONICS
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