An electrical control assembly, comprising an electrical control board, provided with a system protection ground, a power input terminal and a ground terminal configured to access a power supply, and a power output terminal and a motor ground terminal configured to access a motor, wherein the ground terminal is connected with the system protection ground; a power filter circuit, wherein an input end of the power filter circuit is connected with the power input terminal, and an output end of the power filter circuit is connected with the power output terminal; an electromagnetic compatibility filter circuit, wherein an input end of the electromagnetic compatibility filter circuit is connected with the motor ground terminal and a ground end of the power filter circuit, and an output end of the electromagnetic compatibility filter circuit is connected with the system protection ground; characterised in that: the ground terminal comprises a plurality of plug-in ends, the motor ground terminal comprises a plurality of plug-in ends, a plurality of printed circuit board wires are arranged on the electrical control board, first ends of the plurality of printed circuit board wires are connected to the plurality of plug-in ends of the ground terminal in one-to-one correspondence, the other ends of the plurality of printed circuit board wires are connected to the plurality of plug-in ends of the motor ground terminal in one-to-one correspondence; the electromagnetic compatibility filtering circuit comprises a plurality of electromagnetic compatibility filter branches, each of the plurality of electromagnetic compatibility filter branches is connected in series to a corresponding printed circuit board wire. an electrical control board, provided with a system protection ground, a power input terminal and a ground terminal configured to access a power supply, and a power output terminal and a motor ground terminal configured to access a motor, wherein the ground terminal is connected with the system protection ground; a power filter circuit, wherein an input end of the power filter circuit is connected with the power input terminal, and an output end of the power filter circuit is connected with the power output terminal; an electromagnetic compatibility filter circuit, wherein an input end of the electromagnetic compatibility filter circuit is connected with the motor ground terminal and a ground end of the power filter circuit, and an output end of the electromagnetic compatibility filter circuit is connected with the system protection ground; characterised in that: the ground terminal comprises a plurality of plug-in ends, the motor ground terminal comprises a plurality of plug-in ends, a plurality of printed circuit board wires are arranged on the electrical control board, first ends of the plurality of printed circuit board wires are connected to the plurality of plug-in ends of the ground terminal in one-to-one correspondence, the other ends of the plurality of printed circuit board wires are connected to the plurality of plug-in ends of the motor ground terminal in one-to-one correspondence; the electromagnetic compatibility filtering circuit comprises a plurality of electromagnetic compatibility filter branches, each of the plurality of electromagnetic compatibility filter branches is connected in series to a corresponding printed circuit board wire. the ground terminal comprises a plurality of plug-in ends, the motor ground terminal comprises a plurality of plug-in ends, a plurality of printed circuit board wires are arranged on the electrical control board, first ends of the plurality of printed circuit board wires are connected to the plurality of plug-in ends of the ground terminal in one-to-one correspondence, the other ends of the plurality of printed circuit board wires are connected to the plurality of plug-in ends of the motor ground terminal in one-to-one correspondence; the electromagnetic compatibility filtering circuit comprises a plurality of electromagnetic compatibility filter branches, each of the plurality of electromagnetic compatibility filter branches is connected in series to a corresponding printed circuit board wire.