Tire self-inflating system

Abstract

The invention discloses a tire self-inflating system which comprises a sensor, a controller, a gas compressed bottle, an inflation air valve, a bleed valve, a gas generation chamber, an air flow channel and a vacuum tire, wherein the sensor monitors the state of the tire pressure and transmits monitoring signals to the controller; the controller judges according to the signals and controls the inflation valve of the gas compressed bottle to open and inflate the vacuum tire or controls the bleed valve of the gas generation chamber to open and deflate the vacuum tire. The tire self-inflating system maintains the tire pressure at a reasonable level though the closed-loop feedback regulation, solves the problem of automobile overpressure or underpressure, prolongs the service life of the tire and prevents the tire burst.

Description

technical field [0001] The invention belongs to the field of automobile parts and relates to automobile tires, in particular to a tire self-inflating system. Background technique [0002] The air pressure of pneumatic tires is subject to the standard air pressure, and each tire has its standard air pressure value. Some drivers often fail to reach the standard air pressure when inflating because they are afraid of "puncture", which is very wrong. Because the tire pressure is too low, the subsidence of the wheel increases, the radial deformation increases, the friction between the tread and the ground increases, the rolling resistance increases, and the internal stress of the carcass also increases, resulting in a sharp rise in the temperature of the carcass. The tread rubber becomes soft and the aging speed is accelerated, causing partial delamination of the carcass and increased tread wear. In this case, if the vehicle is driven at high speed on the highway again, the temp...

AI Technical Summary

Problems solved by technology

In addition, excessive tire pressure can easily increase the risk of tire slipping and being cut when encountering an impact

[0003] But for now, the current tire pressure monitoring system (TPMS) only detects the tire pressure, and cannot realize automatic inflation and deflation, so it cannot always ensure that the tire pressure is maintained at the most suitable state.

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