Anti-interference power supply device, motor control device and control method thereof

The invention discloses an anti-interference power supply device, a motor control device and a control method thereof, the device comprises a modularly arranged filtering module and a modularly arranged control module, the filtering module is provided with a first plug connector and a filtering module body, and the control module is provided with a second plug connector and a control module body; the filtering module body is detachably arranged on the output side of a power supply through the first plug connector and is used for carrying out anti-interference processing on a power supply signal output by the output side of the power supply to obtain a filtered power supply; and the control module body is detachably arranged between the output side of the filtering module body and the power supply side of the load through the second plug connector, and is used for controlling the on or off of the power supply side of the load based on the filtering power supply. According to the scheme, the modularized filteri