Wireless alarm device of brake pad

Abstract

The invention aims at providing a wireless alarm device of a brake pad, aiming at providing a brake pad alarm device which is characterized in that a sensor of has high reliability and is convenient for installation, a public carrier frequency is used for carrying out wireless data transmission, a loudspeaking system of a vehicle-mounted radio receiver is used for carrying out real-time report onthe thickness and the temperature of the brake pad; the wireless alarm device comprises a brake pad, a vehicle-mounted radio receiver antenna, a vehicle-mounted loudspeaker, a brake pad thickness andtemperature contactless sensor assembly, a micropower dissipation wireless transmitting module, a wireless receiving module and a voice chip, wherein the brake pad thickness and temperature contactless sensor assembly is electrically connected with the wireless transmitting module; the vehicle-mounted radio receiver antenna is electrically connected with the wireless receiving module; the wireless receiving module is electrically connected with the voice chip which is electrically connected with the vehicle-mounted loudspeaker; the brake pad thickness and temperature contactless sensor assembly is fixed on the brake pad; and the wireless receiving module is provided with a communication interface.

Description

technical field [0001] The invention relates to the field of automobile safety, in particular to a wireless alarm device for automobile brake pads when brake heat decay and excessive wear occur. Background technique [0002] Brake pads are the most critical safety parts in the braking system. The most common problems with brake pads in use are thermal decay and excessive wear. The kinetic energy of the car is converted into heat energy through friction between the brake pad and the brake disc or brake drum, thereby playing the role of braking and stopping the car. During the braking process, the brake pads will gradually wear out, and must be replaced when the wear reaches the limit position, otherwise the braking effect will be reduced, and even safety accidents will be caused. Similarly, during the braking process, the temperature of the brake pads rises due to friction. When the temperature rises to a certain extent, the braking effect decreases or even fails, that is, ...

AI Technical Summary

Problems solved by technology

[0005] The present invention mainly solves the technical problems existing in the prior art, such as the thickness of the brake pads, the large number of connection lines of the temperature alarm device, the inability to monitor the temperature of the brake pads after braking in real time, and the low reliability of the detection system, and provides a sensor with high reliability and easy installation. , Brake pad alarm device that uses public carrier frequency for wireless data transmission and uses car radio speaker system for real-time reporting of brake pad thickness and temperature

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