IoT switchgear operation system using sound wave communication

An IoT switchgear operation system using sound wave communication, the system comprising:

• a communication terminal configured to request, from an IoT switchgear through sound wave communication, any one or more operations among registration of a manager, registration of a user, transmission of a changed password, transmission of a user's one-time digital key for opening or closing an IoT switchgear by the user himself or herself, and transmission of another user's one-time digital key for opening or closing the IoT switchgear from a terminal of another user;
• and
• the IoT switchgear configured to perform registration of a manager, registration of a user, change of a password, storage of the user's one-time digital key, and opening or closing of a door using another user's one-time digital key requested by the communication terminal through sound wave communication with the communication terminal,
• wherein the communication terminal includes a manager registration frame generation module configured to generate a manager registration frame indicating registration of a manager, in which a manager registration PIN code indicating registration of the manager, manager access IP address information, and Wi-Fi connection information are recorded,
• wherein the IoT switchgear includes:
• a sound wave receiver configured to receive sound waves from the manager registration frame through sound waves;
• a setting button provided in the IoT switchgear;
• and
• a manager registration module configured to
• read a PIN code field of the manager registration frame received by the sound wave receiver when the setting button is pressed for a preset reference time or more,
• extract and store the manager access IP address information and the Wi-Fi connection information from the manager registration frame received through the sound wave receiver when a PIN code recorded in the PIN code field of the manager registration frame is the manager registration PIN code,
• access Wi-Fi using the Wi-Fi connection information received and stored through the sound wave receiver,
• access an IP address accessed by a manager terminal recorded in a manager terminal IP address field of the manager registration frame, and
• transmit a unique MAC address of the IoT switchgear to the manager terminal, and
• wherein manager registration frame generation module and the manager registration module are each implemented via at least one processor.