The electronic centrifugal switch also includes a gear shaft, bearing cover, housing, circuit board, bearing, Hall element, permanent magnet and other components. A permanent magnet is installed on the gear shaft, and the Hall element is arranged at the magnetic extreme normal of the permanent magnet. When the gear shaft rotates, the Hall sensor outputs a frequency signal that can represent the speed of the gear shaft, converts the frequency signal into a voltage signal through the circuit, and then compares the output signal to drive the power tube to realize the opening and closing of the loop. The circuit part of the whole centrifugal switch can be divided into power management circuit, speed measurement circuit and comparison switch circuit.
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