Installation of Dentsu Elevator Black Box. Can anyone explain its functions first~~

Dentsu Group Company’s “Dentsu Elevator Black Box” is an elevator risk control system built using advanced Internet of Things technology. It includes collection system, transmission system, alarm system, and help and comfort system. The collection system collects and collects some important parameters of the elevator operation through various sensors installed on the elevator; the transmission system transmits the information collected by the sensors to the background server in real time through the mobile communication network; the alarm system is used when the elevator overshoots, In the event of a fault such as squatting at the bottom or locking people on the (un)level floor, the system will automatically send SMS alarms to the three-level management personnel (maintenance personnel, safety management and superior leaders), and the management personnel can rush to the scene for rescue as soon as possible; rescue The comfort system is that when an accident occurs in the elevator, the system uses the automatic dialing function to connect to the preset elevator manager's phone number. The trapped person can directly talk to the manager through the microphone in the car. At the same time, the system automatically turns on the help voice to comfort the trapped person. personnel to avoid excessive behavior of trapped persons; if a person is trapped in an elevator, the system will automatically take photos, automatically light up LED lights, and upload the photos to the management platform through the GPRS network to facilitate rescuers to take correct rescue measures; the data management system is The data collected by the sensors are stored in real time to facilitate statistics, analysis and assist in determining responsibility for elevator accidents.