Early warning fire extinguishing device with protection function

The utility model discloses an early warning fire extinguishing device with a protection function, which belongs to the technical field of fire extinguishing devices and comprises a fire extinguishing device box body, a box door is movably connected to the edge of one end of the fire extinguishing device box body, a fire extinguishing gas containing bottle is placed in the fire extinguishing device box body, and connection positioning mechanisms are symmetrically welded to the inner wall of the fire extinguishing device box body. According to the utility model, through the connection positioning mechanism, the connection between the connection semicircular ring and the fixed semicircular ring can be facilitated, the connection difficulty between the connection semicircular ring and the fixed semicircular ring is reduced, and the connection between the connection semicircular ring and the fixed semicircular ring can be fixed; and the connecting difficulty between a connecting semicircular ring and a fixed semi