DRIVE CONTROL DEVICE OF ELECTRIC HUSBANDRY MACHINE

摘要

PROBLEM TO BE SOLVED: To solve problems wherein consumption of the battery power is large because the tilling load or the load variation is large in a form of tilling the soil by rotationally driving a motor with a battery power supply and driving a tilling rotor, wherein the operation for increasing or decreasing the output according to the load variation is complicated, and wherein it is difficult to retain the working efficiency and excellent workability for a long period of time.;SOLUTION: An electric husbandry machine includes the tilling rotor 3 to be driven by the electric motor 2 with a battery 1 having a charge control circuit 27 and a discharge control circuit 28. A drive control device of the electric husbandry machine includes a motor driving circuit 42 for controlling the rotational frequency of the motor 2, and is configured to drive the motor 2 with the rotational frequency reduced as the state of the motor 2 in which the average current is large continues for a prescribed period of time.;COPYRIGHT: (C)2012,JPO&INPIT