Electric bicycle with assisted pedal load

摘要

The bicycle has a pedal drive unit which is driven by a bicycle user, and can be assisted by an electric driving unit (5). When the electric driving unit operates a power supply switch, a control circuit diagnosis and a torque detector point correction are performed. The power supply switch consisting of power supply opening-closing switch key, battery fixation release switch key, and a lock key, is installed between a bicycle rear wheel (3) and a battery box (7).