Non-negative pressure pump plug terminal, non-negative pressure pump, assembly method and control method

The invention discloses a non-negative pressure water pump plug terminal, a non-negative pressure water pump, an assembly method and a control method. The non-negative pressure water pump plug terminal comprises a signal input terminal and a signal output terminal. The signal output terminal comprises a first base and a plug. The plug forms a plurality of conductive coils arranged in insulation spacing along the length direction, and each conductive coil is connected with a first cable protruding to the outside of the first base. The signal input terminal comprises a second base and a socket seat, wherein the socket of the socket seat is provided with a plurality of mutually insulating conductive parts cooperating with the conductive coil, and each conductive part is connected with a second cable projecting to the outside of the second base; The first cable is used for connecting the sensor in the pump, the second cable is used for connecting the controller in the pump, the first baseis used for mounting on t