Sensing system and method for detecting and graphically displaying electricity usage information

A sensing system for detecting and graphically displaying electricity usage information, comprising:

• at least a detecting device, wherein the detecting device is mounted to an electrical appliance and electrically connected to a power supply unit so that the electrical appliance can receive an electric signal transmitted from the power supply unit through the detecting device, the detecting device comprises a detecting module, a storage module, and a transmission module, the detecting module is configured to detect the electric signal transmitted from the power supply unit and generate electricity usage information according to the electric signal detected, the electricity usage information comprises a detected time and detected data, and the storage module is configured to store the electricity usage information generated by the detecting module;
• and
• a mobile communication device comprising a wireless module, a display module, and a processing module, wherein the wireless module is configured to scan for the detecting device within a wireless transmission range of the wireless module and connect with the detecting device thus found in order to obtain a type and a usage state of the electrical appliance, the display module is configured to display the type and the usage state obtained of the electrical appliance, the processing module is respectively connected to the wireless module and the display module, the processing module is configured to receive setting data for the electrical appliance inputted by a user after the wireless module connects with the transmission module of the detecting device, the setting data for the electrical appliance comprise an electricity value sampling rate and an electricity upload period, the processing module is also configured to transmit the setting data to the transmission module of the detecting device through the wireless module, so as for the detecting device to, after receiving the setting data, periodically detect the electricity usage information of the electrical appliance according to the electricity value sampling rate and transmit the electricity usage information to the wireless module of the mobile communication device through the transmission module of the detecting device according to the electricity upload period, the electricity usage information is further uploaded to a cloud server and stored therein by the processing module of the mobile communication device through the wireless module, and the processing module is also configured to, upon receiving the electricity usage information of the electrical appliance, convert the detected data in the electricity usage information into a detecting chart according to the detected time in the electricity usage information and display the detecting chart through the display module.