Mid-split door opener

The utility model provides a mid-split door opener. The mid-split door opener comprises a motor, a synchronous wheel, a driven wheel, a synchronous belt, a door opener bottom plate, a left door hanging plate, a door vane, a right door hanging plate and a guide rail, wherein the motor, the driven wheel and the guide rail are mounted on the door opener bottom plate; the synchronous wheel is arranged on an output shaft of the motor and is connected with the driven wheel through the synchronous belt; door hanging wheels are arranged at the upper parts of the left door hanging plate and the right door hanging plate; the door hanging wheels of the left door hanging plate and the right door hanging plate are arranged on the guide rail; the guide rail is parallel to the synchronous belt; two guide wheels are arranged on the guide rail and are connected through a steel wire rope; the left door hanging plate is connected with the part, positioned below the two guide wheels, of the steel wire rope; the right door hanging plate is connected with the part, positioned above the two guide wheels, of the steel wire rope; the left door hanging plate or the right door hanging plate is connected with the synchronous belt through the door vane. The mid-split door opener is simple and compact in structure; with a permanent magnet synchronous motor, the mid-split door opener is low in cost, energy-saving, environment-friendly and stable in performance, and the mounting cost and the maintenance cost are reduced.