Shipborne Beidou navigation display terminal

The utility model discloses a shipborne Beidou navigation display terminal which comprises a terminal body and a protective shell fixedly connected with the terminal body, a display screen is installed on one side of the terminal body, a protective shell is further fixedly installed on the side, close to the display screen, of the terminal body, and an opening is formed in the position, located onthe display screen, of the protective shell. A heat conduction plate is fixedly connected to the side, away from a display screen, of the terminal body, cooling fins are perpendicularly welded to theside, away from the terminal body, of the heat conduction plate, the cooling fins are arranged in parallel, the top ends of the cooling fins are jointly connected with a top plate, and mounting holesused for mounting cooling fans are formed in the top plate. A first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece and a limiting strip are installedin the opening of the prote