Active power filtering device

The utility model discloses an active power filtering device, and relates to the technical field of equipment safety. A safety mechanism is arranged in a socket module of the active power filtering device, the safety mechanism comprises the socket module, the inner wall of the top of the socket module is movably connected with the outer wall of an upper sliding block, and the inner wall of the bottom of the socket module is movably connected with the outer wall of a lower sliding block; grooves in the bottoms of the two sides of the upper sliding block are fixedly connected with reeds; the bottom of the reed is fixedly connected with grooves in the tops of the two sides of the lower sliding block. The external wire is located between the bottom of the upper sliding block and the lower sliding block, one end of the external wire is fixedly connected with the inner wall of the socket, and the end, away from the socket, of the external wire is fixedly connected with the inner wall of the inner connector. The act