Roller shutter door motor excessive rotation protection device

The utility model discloses a roller shutter door motor excessive rotation protection device which comprises a controller module, an information acquisition module, a driving module and a warning module, and the information acquisition module, the driving module and the warning module are all connected with the controller module. The information collecting module collects information in the rotating process of the motor and information in the ascending and descending processes of the roller shutter door and sends the information to the controller module, and the controller module controls the driving module to drive the motor of the roller shutter door to conduct related work and controls the warning module to send out a limiting alarm signal. According to the utility model, the information acquisition module is adopted to acquire the information in the rotating process of the motor and the ascending and descending processes of the roller shutter door and send the information to the controller module, and the