Method for monitoring tire pressure during corning process of automobile

A technology for air pressure monitoring and driving, which can be used in tire measurement, tire parts, vehicle parts, etc., and can solve problems such as reduced accuracy

Active Publication Date: 2011-02-16
常州禄安汽车科技有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, when the vehicle is turning, the accuracy rate will decrease if the method is used to determine whether the tire pressure is abnormal.

Method used

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  • Method for monitoring tire pressure during corning process of automobile
  • Method for monitoring tire pressure during corning process of automobile
  • Method for monitoring tire pressure during corning process of automobile

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Embodiment Construction

[0095] attached figure 1 Among them, when electronic control devices such as ABS, ESP, and TCS are installed on the automobile, the present invention can share wheel speed sensors, signal processing circuits and microprocessors with these devices; independently install function selection switch circuits, status indication circuits and alarm output Wait for the hardware part. The wheel speed sensor converts the rotation of the wheel into a quasi-sine signal or a square wave signal, which is sent to the microprocessor for counting after being processed by the signal processing circuit, such as shaping, filtering, and amplification. After judgment, analysis and comparison, information on working conditions such as going straight or turning, driving or braking, and whether the tire pressure of the vehicle is normal or not is obtained. When the tire pressure is abnormal, the status indication and alarm circuit will give a warning. The function selection switch is used to set whet...

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Abstract

The invention discloses a method for monitoring tire pressure during a corning process of an automobile, which is characterized by comprising the following steps: judging travel operating conditions such as corning, braking drag and skid, wheel spike driving and the like by carrying out collection, sorting, calculation, analysis and comparison on pulse signals output by all wheel speed sensors ofa travelling automobile; carrying out corresponding calculation on detection parameters (pulse number), and solving the corning diameter of each wheel during the corning process of the automobile; carrying out primary judgment on the tire pressure condition of the wheel during the corning process by comparing the corning diameter value of the same wheel; carrying out comparative analysis on the detection parameters; and finally, if the result is identical to the primary judgment, judging that the tire pressure is abnormal. By utilizing the method of the invention, the abnormal condition of the automobile tire pressure during the corning process can be accurately and effectively forecasted.

Description

technical field [0001] The invention relates to a method for real-time monitoring of tire air pressure when an automobile is turning. Background technique [0002] In the prior art, tire pressure monitoring and alarm devices mainly fall into two categories: direct type and indirect type: the direct type is to install a mechanical device or an electronic device and other monitoring devices in the tire or on the valve to directly detect the tire pressure, and Give an alarm when it is believed that there is an abnormality; the indirect type judges the tire pressure by detecting other physical quantities affected by the tire pressure and their changes. For example, detecting parameters such as the rolling radius of the wheel, the rotational speed of the wheel, the elasticity of the tire, and the vibration of the tire, and using these parameters to indirectly infer the tire pressure belong to the indirect tire pressure monitoring method. There are many ways of indirect realizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C23/06
Inventor 韩宗奇王立强夏怀成鞠学坤
Owner 常州禄安汽车科技有限公司
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