Electric working machine

摘要

An electric working machine including: a motor; a driving unit configured to be driven by the motor; a trigger switch configured to allow rotation of the motor; a power supply unit configured to supply electric power to the motor; and a control unit configured to control rotation of the motor, characterized in that: the electric working machine further comprises a switching element configured to perform short-circuiting between terminals of the motor to apply electronic braking, wherein the control unit is configured to perform adjustment of the braking by controlling the switching element when stopping the motor.

主权项

1. An electric working machine comprising:
a motor; a driving unit configured to be driven by the motor; a trigger switch configured to allow rotation of the motor; a power supply unit configured to supply electric power to the motor; and a control unit configured to control rotation of the motor, characterized in that:
the electric working machine further comprises a switching element configured to perform short-circuiting between terminals of the motor to apply electronic braking,wherein the control unit is configured to perform adjustment of the braking by controlling the switching element when stopping the motor; and an abnormality detection unit configured to stop rotation of the motor, wherein, during rotation of the motor, the control unit is configured to:
start applying a sudden braking by immediately short-circuiting the switching element when an abnormal state is detected by the abnormality detection unit; andstart applying a braking when a predetermined period has elapsed after the trigger switch is released without the abnormal state being detected by the abnormality detection unit, the predetermined period being longer than a period from when the abnormal state has been detected by the abnormality detection unit to when the sudden braking has been stated to be applied.