RS422-based intelligent metering lock with full-duplex communication closed-loop control

The utility model discloses an RS422-based intelligent metering lock with full-duplex communication closed-loop control, which comprises a lock shell and a lock body, the lock body is arranged on one side of the bottom end of the lock shell, a lock cylinder penetrates through the inside of the lock body, a stop groove is arranged inside one side of the lock cylinder, and the bottom end of the lock cylinder is fixedly connected with an E-shaped clamp spring. According to the RS422-based intelligent metering lock with the full-duplex communication closed-loop control function, the RFID coil plate is arranged, so that the cost of a whole access control system is effectively saved by combining an RFID identification authentication mode with a mechanical structure of manual unlocking, meanwhile, a large amount of unnecessary space is also saved, the functions are designed according to the actual requirements of a meter box, and the intelligent metering lock is convenient to use. The intelligent door is simple in s