Safety monitoring system of rail wagon

The invention relates to a safety monitoring system of rail wagon. The invention aims at increasing the speed of the rail wagon to be more than 100 km/h under the premise of fully ensuring safety. The technical scheme of the invention is that an industrial embedded CPU processor, a wireless communication coordinator terminal, a GSM communication module and a depart information card reader are installed at the terminal station located at the head of the wagon. At least one monitoring and power-supplying device is installed on the bogie. The monitoring devices are a series of physical quantity sensors. The power-supplying device is provided with a self-generating device or a super capacitor. A wind pressure sensor for monitoring train pipe or other physical quantity sensors are installed in the wagon box of truck. The invention is suitable for online monitoring real-time accident of the operated rail wagon in twenty-four hour.