B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
B23Q 11/00 (2006.01)
Patent
CA 2742564
The present application discloses a control circuit for a power tool and a method for manipulating the power tool. The control circuit has a detection circuit for battery packs, a calculating control circuit, a battery capacity indicating circuit for indicating the calculation result of the battery capacity, and a current measure and calculating circuit for measuring the current flowing through motors. The calculation result further includes the voltages consumed by the battery pack internally and the discharge loop. The method for manipulating the power tool includes pressing the switch to electrically connect the motor and the battery pack, measuring the parameters of the battery pack and allowing the motor to operate or not according the measured parameters. Further, after the motor is in operation, the battery capacity is calculated and the results are displayed.
Geng Zheng
Yang Dezhong
Chervon (hk) Limited
Ridout & Maybee Llp
LandOfFree
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