Tire pressure detection device based on three-dimensional pressure detection

Abstract

The invention relates to a tire pressure detection device based on three-dimensional pressure detection and belongs to the field of pressure technology monitoring. The device comprises a controller, an antenna and a plurality of tire pressure sensors, wherein the tire pressure sensors are bundled on the inner surface of a rim by bundling belts in a uniform and symmetrical manner; the tire pressure sensors measure to-be-collected data and transmit signals to the antenna; the antenna is wirelessly connected with the controller; the tire pressure sensors are three-dimensional pressure sensors; each sensor comprises a control unit as well as an X-direction capacitor unit group and a Y-direction capacitor unit group which are connected with the control unit. According to the device, the plurality of tire pressure sensors are arranged on the rim, pressure stressed on each point on a tire can be monitored in real time, and the tire pressure sensors are improved, so that the pressure measuring accuracy is improved, the problem that an existing tire pressure sensor is low in measuring accuracy in the prior art is solved, and the measuring accuracy is improved; all the points on the tire are measured in the same time, so that the tire pressure hidden danger can be found in real time.

Description

technical field [0001] The invention belongs to the field of pressure technology monitoring, and relates to the monitoring direction of a tire pressure sensor, in particular to a tire pressure detection device based on three-dimensional pressure detection. Background technique [0002] The tire pressure monitoring system monitors changes in tire pressure and prevents tire blowout accidents through early warning, so as to protect the stability of the vehicle and the safety of the drivers and passengers. The tire pressure monitoring sensor is the core component of the whole system, and its working performance directly determines the accuracy and reliability of the monitoring system. According to the configuration, the tire pressure sensor can be divided into two types: active type and passive type. Active sensors need to be powered by batteries to meet the energy needs of the sensor; passive sensors rely on external energy coupling to work. [0003] At present, the tire pres...

AI Technical Summary

Problems solved by technology

However, the change angle of the tire pressure transmitter is large, and the change angle of the antenna after assembly is also large. Under the high-speed rotation of the wheel and the pressure on the side of the rim, the offset of the contact sensor will be formed, resulting in the measurement data of the pressure sensor An error occurs, the sensitivity is less than the estimated value, and the quality of the signal transmission is degraded at the same time

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