Pressure vessel leakage detection system

The invention discloses a pressure vessel leakage detection system, including a pressure sensor group provided with a GPS positioning module, a temperature sensor group provided with a GPS positioning module, a gas leakage detector, a central processing unit, a man-machine operation module, a physical model establishing module, a virtual actuator, a virtual sensor and a data processing module. The system performs analysis and evaluation on detected data through various data analysis methods, thereby greatly improving pressure measurement sensitivity and measurement accuracy, real-time observation of environmental conditions inside a pressure vessel is realized through establishment of a physical model, and each temperature sensor and each pressure sensor are equipped with the GPS positioning module, thereby further improving detection accuracy.