Fire extinguishing bomb launch canister

The invention relates to a fire extinguishing bomb launcher and belongs to the technical field of fire extinguishing devices. The launch canister comprises a canister body, a firing mechanism, a bullet fixing ring, an electric contact and an electric contact fixing piece. An insulating component is arranged between the bullet fixing ring and the fire extinguishing bullet body; the electric contact is in contact with a launching bullet filled in the cylinder body through an electric contact fixing position on the bullet fixing ring and an electric contact hole position on the insulating component in sequence; the electrical contact comprises a U-shaped shell, a spring and a metal ball, one end of the spring is fixedly connected with the inner bottom surface of the U-shaped shell, and the metal ball is fixed at the other end; one part of the metal ball is located in the U-shaped shell, and the other part of the metal ball is exposed out of the U-shaped shell and makes contact with the launching bomb. The electr