Intelligent transformation lock for old cabinet

The intelligent transformation lock comprises a lock body and an emergency key, a card swiping device is fixed to the upper portion of the center of the front face of the lock body in an embedded mode, a lock catch is arranged on the lower portion of the front face of the lock body, a switch is arranged at the lower left corner of the card swiping device, an indicator lamp is arranged on the left side of the switch, and the switch and the indicator lamp are fixed to the lock body in an embedded mode. A base is arranged behind the lock body, an emergency unlocking opening is fixed to the front side of the center of the top of the base and the lock body in an embedded mode, a battery protection plate is arranged behind the emergency unlocking opening, a main motor, a standby motor and a Bluetooth module are arranged in the lock body, the emergency unlocking opening supports 14443A and 14443B communication protocol IC cards, a battery bin is arranged below the battery protection plate, and the battery bin is con