Unibus electronic lock

The utility model relates to a unibus electronic lock which comprises a lock cylinder device and a key device, the lock cylinder device comprises a lock cylinder processor module, and the lock cylinder processor module can communicate with the key device, identify an electronic secret key and perform unlocking and locking control; the electromagnet is used for unlocking and locking; the electromagnet control module is used for connecting or disconnecting the electromagnet. According to the utility model, the key contact connected with the single-core insulated cable is connected with the lock core contact connected with the single-core insulated cable, and the key device and the lock core device metal body which are used as a common ground wire are connected to form an electric connection loop for power supply and communication; metal bodies of the key device and the lock cylinder device are used as common ground wires, the device only uses a single-core insulated cable, the technical risk of system damage ca