Intelligent real-time monitoring and feedback system and method for remaining amount of paper towel

The invention relates to an intelligent real-time monitoring and feedback system and method for the remaining amount of tissue, and the system comprises a sensor which is installed in a tissue box and is configured to monitor the current distance between the sensor and the outer surface of the tissue in real time; and the main controller is connected with the sensor, is configured to be capable of receiving and storing the current distance from the sensor, and is further configured to be capable of generating a remaining amount signal reflecting the remaining amount of the tissues according to the current distance. According to the intelligent real-time monitoring and feedback system and method for the remaining amount of the paper towel, the ultrasonic detection part, the acousto-optic reminding part, the Internet of Things data transmission part, the mobile phone APP end and other parts are included, the applicable remaining amount of the paper towel can be detected according to the ultrasonic waves, when t