System for automatically monitoring ship lock

The utility model discloses a system for automatically monitoring a ship lock. The system comprises three local control unit cabinets and a background monitoring upper computer, wherein the three local control unit cabinets are a head bay local control unit cabinet, a tail bay local control unit cabinet and a concentrated local control unit cabinet; the concentrated local control unit cabinet is in communication connection with the background monitoring upper computer; and the three local control unit cabinets are connected with one another in a form of an annular topological structure. By adoption of the system for automatically monitoring the ship lock, the whole lock gate can be monitored and controlled reliably and redundantly.