Anti-interference device of power adapter

The utility model relates to the technical field of power adapters, in particular to an anti-interference device of a power adapter, which comprises a shell, a fixed cavity is arranged in the shell, a plurality of magnetic sleeves which are uniformly distributed along the vertical direction are fixedly connected in the fixed cavity, a closed partition plate which is positioned on the inner side of each magnetic sleeve is arranged in the fixed cavity, and the magnetic sleeves are arranged in the closed partition plate. A metal shell is arranged in the closed partition plate, a power adapter main body is arranged in the metal shell, a frequency generation module is arranged on the upper side of the power adapter main body, a protective cover capable of wrapping the frequency generation module is arranged at the upper end of the power adapter main body, a filter is arranged at the upper end of the power adapter main body, and the frequency generation module is arranged in the protective cover. According to the u