An energy recovery device in tires based on electromagnetic induction

Abstract

The present invention relates to an energy recovery device in tires based on electromagnetic induction, which includes several electromagnetic induction energy recovery modules, AC / DC converters and energy storage elements for recovering energy in tires; all of the electromagnetic induction energy recovery modules The circumferential direction is evenly spaced on the tire inner liner, and the coils contained in each electromagnetic induction energy recovery module are connected in series through wires in sequence, and form a loop with the AC / DC converter; each of the electromagnetic induction energy recovery modules will recover The electric energy delivered to the AC / DC converter, the AC / DC converter integrates the AC voltage into a DC voltage, and delivers the integrated DC voltage to the energy storage element for storage, and the energy storage element stores The electrical energy is used to power the sensors in the tire. The invention can recover the energy in the tire, so that the sensor type and transmission frequency in the tire are not restricted by the power supply, realize the real-time monitoring of the status of the wheel and the vehicle, and improve the safety and active control performance of the vehicle.

Description

technical field [0001] The invention relates to an energy recovery device inside a tire, in particular to an energy recovery device inside a tire based on electromagnetic induction. Background technique [0002] With the development of automobile electronics and intelligence, the safety performance of automobiles has been greatly improved. However, according to data from the US Department of Transportation, more than 60% of accidents are directly or indirectly caused by tire failure or sideslip. It can be seen that tires are crucial to car performance and traffic safety. Tires serve multiple purposes, ensuring safety as well as passenger comfort. Since the tire is the contact point between the vehicle and the ground, it can be used to collect real-time information about the vehicle itself and the ground conditions. This information can be used for tire condition monitoring and for vehicle dynamics control. The automotive industry has a huge demand for development in tire...

AI Technical Summary

Problems solved by technology

There is also a moving magnet suspended between two fixed magnets through the repulsion between the magnets. The suspended moving magnet moves up and down in the coil as the tire rotates. However, due to the interference of the magnetic field between the fixed magnet and the moving magnet, the change of the magnetic flux is weakened. Not conducive to high-density power generation

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