Stainless steel composite pipe welding process quality on-line monitoring system

The invention discloses an on-line monitoring system for welding process quality of a stainless steel composite pipe. The on-line monitoring system comprises monitoring terminal hardware, mobile terminal software and a diagnosis algorithm model which are related to stainless steel composite pipe welding quality parameter acquisition and welding information receiving, analysis and diagnosis. The monitoring terminal hardware comprises a communication module, an information acquisition module, a storage module, a positioning module and the like, and the mobile terminal software comprises hardware layer software designs such as a welder identity recognition driving program, a positioning module driving program, a Bluetooth module driving program, a 4G module driving program and the like and software development designs of information layers such as a mobile phone APP and the like. And transplantation of an online diagnosis algorithm and storage, analysis and processing of welding information of the composite pipe