CTCS (China Train Control System)-3 level train control on-board equipment

The invention discloses a CTCS (China Train Control System)-3 level train control on-board equipment, which comprises a safety control computer module, a speed and distance measuring module, a wireless communication module, a transponder receiving module, a trail circuit reading module, a train control interface module and a man-machine interaction module, wherein the safety control computer module is respectively connected with the speed and distance measuring module, the wireless communication module, the transponder receiving module, the trail circuit reading module, the train control interface module and the man-machine interaction module. The CTCS-3 level train control on-board equipment can receive train control information sent by ground train control equipment through a GSM-R (Global System For Mobile Communications For Railway) wireless communication network and a rail circuit and monitor the safe running of the train according to the train control information; and the train control on-board equipment not only meets the operational requirement of a CTCS-3 level train control system, but also is compatible with a CTCS-2 level train control system so that the equipment has the advantage of good adaptability.