2results about How to "Increase creep distance" patented technology

The utility model discloses an outdoor high -voltage combined mutual -inductor, including metal shell, first conducting rod, second conducting rod and insulating sleeve, the inside of metal shell is provided with voltage transformer and current transformer respectively, and the both ends of metal shell top are provided with first conducting rod respectively, the central position of metal shell top is provided with second conducting rod, and the outside of first conducting rod and second conducting rod all is provided with insulating sleeve, the insulating sleeve is composed of core rod, big umbrella skirt and small umbrella skirt, the big umbrella skirt and small umbrella skirt all are distributed on the core rod, and the surface of big umbrella skirt is evenly provided with water guide groove, the root of big umbrella skirt all is embedded with electric heating wire. The utility model discloses through being provided with metal shell, first conducting rod, second conducting rod, insulating sleeve, big umbrella skirt, small umbrella skirt, core rod, electric heating wire and water guide groove, can effectively avoid the insulation performance decline caused by rainwater, reduces the risk of surface flashover.