Intelligent ring main unit and assembling method thereof

The invention discloses an intelligent ring main unit and an assembly method thereof, and the assembly method comprises: the step S1, enabling a primary electrified unit to be sealed in a stainless steel gas box filled with SF6 gas, and enabling the stainless steel gas box to be sealed in an outer box body; the step S2, a secondary control unit is installed at the top of the outer box body, a shell is arranged outside the secondary control unit, a secondary control circuit of the secondary control unit is installed in the shell in an injection molding sealing mode, and an outgoing line of thesecondary control circuit is led out through an injection molding interface; and the step S3, a motor is installed in the outer box body, and the positive electrode and the negative electrode of themotor are connected with the secondary control unit. According to the invention, air can be effectively prevented from entering the shell to generate condensation, and meanwhile, the problems of waterinflow and ash inflow of a