External overhead rail door device with locking prompt function

The utility model belongs to the technical field of hanger rail doors, and provides an external hanger rail door device with a locking prompt function, which comprises a fixed beam, a sensor I, a control assembly and a prompt assembly, and is characterized in that a door plate I and a door plate II are driven to open and close through the control assembly, so that the stable operation of a door leaf is ensured, and the service life and the performance of the door are improved; after a second sensor in the prompting assembly senses that a first door plate and a second door plate are closed, a lamp strip is controlled to be turned on, and a passerby is reminded of the existence of a door; the problems that in order to meet the visual permeability of space, a door plate of an existing overhead rail door is usually made of glass materials, the visibility is low, and therefore when the overhead rail door is locked and closed, the accident that passing personnel collide with the door plate is likely to happen, and