Motor controller for electric automobile

The utility model relates to a motor controller for an electric automobile, which comprises a controller body, a lead and a base with a cavity, an interface is arranged on the side wall of the base, aconnecting pipe is arranged on the interface, a waterproof rubber ring is arranged in the connecting pipe, and a fixed clamping sleeve is arranged at one end of the connecting pipe; the device has the advantages that the device is simple in structure; a connecting pipe is arranged on a connector; therefore, the length of the waterproof rubber ring is increased; therefore, the length and the waterproof contact area of the waterproof rubber ring are increased; therefore, the waterproof effect is improved, secondly, a fixed clamping sleeve is arranged in the connecting pipe; the length of the fixed clamping sleeve extending into the connecting pipe is greater than one third of the length of the connecting pipe; therefore, the contact area of the fixing clamping sleeve and the waterproof rubber ring is increased, the