TRAIN-MOUNTED SAFETY MONITORING CLOUD SYSTEM, MONITORING METHOD, AND TRAIN SAFETY MONITORING SYSTEM

Provided in the present invention are a train-mounted safety monitoring cloud system, a monitoring method, and a train safety monitoring system. The train-mounted safety monitoring cloud system comprises: a train data security subsystem, and a train safety monitoring subsystem and a train health management subsystem, which are connected to the train data security subsystem, wherein the train safety monitoring subsystem is further connected to the train health management subsystem, and the train data security subsystem is connected to a ground service network, a train control network and a train information network; and the train data security subsystem is used for performing data security identification and forwarding between same and the ground service network, the train control network and the train information network, the train safety monitoring subsystem is used for monitoring the traveling safety of a train, and the train health management subsystem is used for performing intelligent operation and maint