Locomotive diesel engine PHM visualization system

The invention discloses a PHM visualization system for a locomotive diesel engine. The PHM visualization system comprises a data acquisition unit, a data processing unit and a display unit, wherein the data acquisition unit adopts multiple types of sensors to acquire operation data of the locomotive diesel engine; the PHM main control unit is used for receiving the operation data transmitted by the data acquisition unit, storing, analyzing and processing the operation data of the locomotive diesel engine and analyzing the state of the diesel engine so as to carry out fault diagnosis and fault prediction, and providing maintenance suggestions according to diagnosis results; the visualization unit is used for accessing the data processed by the PHM main control unit; and the visualization unit is used for carrying out calculation and feedback on the basis of operation and maintenance information input by a user to generate maintenance records of repair maintenance and component maintenance and carrying out man-