Wireless communication based vehicle-mounted data intelligent and safe updating method

Abstract

The invention discloses a wireless communication based vehicle-mounted data intelligent and safe updating method. The method comprises the steps of: after a locomotive receives a message sent from a passive responder which is mounted at an entrance of a station, sending a data updating networking request data packet to a ground control device; after the locomotive receives a data updating networking agreement data packet sent from the ground control device, sending a data version information data packet of a vehicle-mounted control device to the ground control device by the locomotive; judging whether the data of the vehicle-mounted control device are in the latest version through a comparison way by the ground control device; if so, sending transmission ending data packet to end the data updating; otherwise, sending a file practical content data packet used for updating the data version to the locomotive. With the adoption of the method disclosed by the invention, fault caused by delayed station yard data updating of the vehicle-mounted control device is avoided, and accordingly the safety is improved.

Description

Technical field [0001] The invention relates to the field of rail transit, and in particular to a method for intelligent and safe updating of vehicle data based on wireless communication. Background technique [0002] The wireless shunting locomotive signal and monitoring system (STP system for short) is a computer integrated control system. The system adopts wireless data transmission technology, locomotive intelligent tracking technology, passive transponder positioning technology and locomotive safety protection control technology. The shunting operation carried out carries out comprehensive safety protection, effectively preventing the occurrence of common accidents such as the shunting locomotive running through blue lights, squeezing the switch, and exceeding the speed limit. Secondly, the system can realize real-time display of information such as shunting signals, shunting route, protection distance in front of shunting, and station graphics on the locomotive, so that the...

AI Technical Summary

Problems solved by technology

However, for shunting locomotives or lead locomotives performing mixed operations, since their operating positions and operating stations change at any time, it is difficult for maintenance personnel to accurately locate the location of the locomotives, so it is very difficult to maintain and update data, which often occurs The phenomenon that the station data update of the on-board control equipment is not timely occurs

[0007] When the station data changes, the previously used technology requires maintenance personnel to go to each locomotive within the scope of maintenance to replace the data, while the main locomotive or special shunting locomotive in charge of shunting operations often only enters the warehouse once a week. Therefore, it is difficult for maintenance personnel to maintain and update the on-board equipment data; if the locomotive yard data is not updated to the latest version, due to data errors, the safety protection of the locomotive will be deviated, and even the safety protection function cannot be used normally. , has laid a great hidden danger for the safety of shunting operations

[0008] In addition, manual replacement and management will inevitably cause omissions in the maintenance and update process. Due to the lack of corresponding supervision, inspection, verification and other card control processes and means, there will be hidden dangers to the safe operation of the monitoring system; in addition, the software The replacement has certain requirements on the computer use level of the operators, but at the present stage, the computer application level of the grassroots railway workers is relatively low, which has caused certain obstacles to the smooth progress of this work.

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