Intelligent remote online fault diagnosis system for escalator

The invention discloses an escalator intelligent remote online fault diagnosis system which comprises a data acquisition monitoring module, a wireless transmission module, a fault identification early warning module, a fault positioning module, a fault analysis and diagnosis module, a fault code presetting module and a central processing unit. The data acquisition and monitoring module, the wireless transmission module, the fault identification and early warning module, the fault positioning module, the fault analysis and diagnosis module and the fault code presetting module are all connected with the central processing unit; the data acquisition and monitoring module is used for monitoring and acquiring data of a motor, a chain, a bearing, steps, a comb plate and a brake system of the escalator; and the wireless transmission module is used for transmitting the collected and monitored data in real time. According to the invention, comprehensive and accurate data can be obtained, so that subsequent accurate an