Flat panel detector storage device

The invention belongs to the technical field of digital X-ray photography systems, and discloses a flat panel detector storage device which comprises a shell, an accessory box and a locking assembly. The shell is provided with a first containing cavity, the accessory box is located in the first containing cavity and fixedly connected with the shell, and the locking assembly is installed on the shell. The locking assembly comprises a locking baffle and a locking module, the locking baffle is in locking fit with the locking module, and the locking baffle is rotationally connected with the accessory box; the locking baffle has a locking state and a free state, in the locking state, the locking baffle shields the opening of the accessory box, and the locking baffle is fixedly connected with the accessory box to prevent the flat panel detector in the accessory box from being taken out; in the free state, the locking module relieves movement limitation on the locking baffle so that the locking baffle can move out o