Method for determining installation position of tire and tire pressure monitoring device and system
A tire pressure monitoring, installation location technology, used in tire measurement, sub-station devices, telemetry/remote selection devices, etc.
Active Publication Date: 2017-08-11
NANJING SILERGY SEMICON TECH CO LTD
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Problems solved by technology
Equally, this prior art also must obtain a plurality of sampled values in the process that tire rotates a circle and just can calculate the motion locus of tire, therefore, also must be more than 4 times of tire rotational speed for the sampling rate of the magnetic field intensity signal that coil measures
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[0043] The present invention is described below based on examples, but the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are set forth in detail. The present invention can be fully understood by those skilled in the art without the description of these detailed parts. In order not to obscure the essence of the present invention, well-known methods, procedures, procedures, components and circuits have not been described in detail.
[0044] Additionally, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
[0045] Meanwhile, it should be understood that in the following description, "circuit" refers to a conductive loop formed by at least one element or sub-circuit through electrical connection or electromagnetic connection. When an element or circuit is said to be "connected to" another eleme...
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A method for determining an installation position of a tire and a tire pressure monitoring device and a system are disclosed. The technical scheme of the method for determining the installation position of the tire and the tire pressure monitoring device and the system is that a double-shaft magnetic sensor is arranged in the tire, and magnetic field intensity in the circumferential direction or the axial direction and the radial direction of the tire is at least measured. By using the characteristics that when the tire is installed on the left side and the right side, directions of a cutting external magnetic field in the circumferential direction or the axial direction and the magnetic sensor are opposite, but the directions of the cutting external magnetic field in the radial direction and the magnetic sensor are same, and the situation that the tire is mounted on the left side or the right side can be judged through the variation tendency of a difference value of a sampling value of the magnetic field intensity in different directions. Thus, in the premise that the situation that the magnetic field intensity is acquired at a low sampling rate is allowed, the tires on the different sides can still be identified. Power dissipation of the system can be effectively reduced, and service life of a battery is improved.
Description
technical field [0001] The present invention relates to automotive electronic technology, in particular to a method for determining tire installation positions, a tire pressure monitoring device and system, and a storage medium storing instructions for executing the method. Background technique [0002] Tire Pressure Monitoring System (TPMS) refers to a device used to monitor tire pressure and maintain proper pressure. The use of the tire pressure monitoring system plays an important role in ensuring the driving safety of the vehicle. In the tire pressure monitoring system, a sensor for detecting the pressure is usually installed in the tire, and the detected tire pressure is transmitted to the data processing device of the vehicle for monitoring and prompting. In the existing tire pressure monitoring system, there has been a system that can indicate the location of the tire with insufficient pressure. Insufficient, thus, it is convenient for users to carry out maintenance...
Claims
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Login to View More IPC IPC(8): B60C23/04G08C17/04
CPCB60C23/0416G08C17/04H04Q2209/40H04Q9/00H04Q2209/88B60C23/0486B60C23/0489
Inventor 刘志纲
Owner NANJING SILERGY SEMICON TECH CO LTD