Door closing speed detection device

The utility model discloses a door closing speed detection device. The device comprises a shell, a swing mechanism, a return mechanism and a control mechanism, the swinging mechanism comprises a swinging arm, a rotating shaft and a driving unit; the rotating shaft is vertically arranged on the shell and is connected with the shell; the rotating shaft is connected to the output end of the driving unit; the swing arm is vertically connected with the rotating shaft; the return mechanism comprises a spring; wherein one end of the spring is connected with the swing arm, the other end of the spring is fixedly connected with the shell, and the control mechanism is electrically connected with the driving unit so as to control the driving unit to drive the rotating shaft to rotate and further drive the swing arm to swing back and forth in the horizontal direction, so that the actions of closing the door and returning to the original position are completed. The door closing force output by the door closing speed detect