Wheel rotation imaging device and wheel rotation imaging intelligent advertising system

A wheel rotation imaging device, comprising a self-powered unit, a power storage module, a core control circuit board, and an LED strip board, wherein

• the LED strip board matches the shape of a wheel, and comprises a plurality of LED bead arrays extending radially outward along the wheel, an interface, and a control circuit, the interface and the control circuit being connected to LED beads in each LED bead array by signals, and each LED bead array containing the same number of beads;
• the self-powered unit generates power by means of rotation of the wheel;
• the core control circuit board comprises a charging module, a power management module, and a core control module;
• the charging module comprises a rectifier circuit and a charging management circuit;
• the self-powered unit is electrically connected to the charging module, the charging module is electrically connected to the power storage module, and the charging module rectifies alternating current input by the self-powered unit, and charges the power storage module through the charging management circuit;
• the power storage module is connected to the power management module and supplies power to the power management module, and the power management module supplies power to the core control module, the interface and the control circuit;
• the core control module is connected to the interface and the control circuit by signals, and the core control module integrates wireless modules, a positioning module, rotational speed sensors, a micro-electromechanical system with built-in three-axis gyroscope and three-axis accelerometer, a light intensity sensor, and storage elements;
• the core control module is able to receive content information to be displayed through the wireless modules, and convert the content information to be displayed into driving signals for driving the LED beads on the LED strip board to light or extinguish in a time sequence, the core control module transmits the driving signals to the interface and the control circuit, and the interface and the control circuit drive the LED beads on the LED strip board to display the content to be displayed;
• and the core control module is able to acquire location information, wheel speed information, wheel angular velocity information, wheel acceleration information, and light intensity information of the wheel rotation imaging device in real time.