The importance of railway inspection system
On April 28, 2008, the T195 passenger train from Beijing to Qingdao ran off the line between Zhoucun and Wangcun of Jiaozi Railway in Shandong Province. The 9th to 17th carriages derailed at the curve of the railway and rushed to the outside of the subgrade of the upstream line。At that time, the 5034 passenger train from Yantai to Xuzhou failed to brake and eventually hit the derailed vehicle at 70 kilometers per hour, killing 72 people and injuring 416。The accident was eventually determined to be human responsibility。
According to data, although railway line inspectors and maintenance personnel regularly inspect, the proportion of accidents caused by the dereliction of duty, mental paralysis and fluke mentality of the staff on the post accounts for more than 80%。
可见，Ensure the daily inspection of railway transportation lines and equipment in place and timely maintenance，Strengthen on-site inspection，Build a set of basic voice communication requirements that can meet all aspects of railway inspection，It also realizes a new communication mode of intelligent management and three-dimensional command and dispatch，Undoubtedly, it is a powerful measure to eliminate various safety hazards, ensure the safe operation of trains and people's lives and property。
Industry demand analysis
The railway line has large span, many points, scattered locations and complex site environment。The traditional mode of inspection only by the naked eye or ordinary instruments not only has a large workload, slow information transmission, low efficiency, high operation and maintenance cost, but also cannot respond in time once the danger occurs。Based on the above problems, the following requirements for railway intelligent inspection system are formed:
1, convenient system construction, low cost, simple maintenance。
2. Standardized operation to ensure that inspection personnel carry out inspection operations according to the designed route。
3. Dispatchers can view the dynamic information and moving track of inspection personnel at each location in real time。
4, inspection personnel daily patrol clock, data collection and real-time problem reporting。
5. Integration and analysis of historical data such as train equipment operating status and parameters to improve emergency warning and response capabilities。
6. The management center and relevant departments can check the inspection situation online at any time。
Beifeng Railway intelligent inspection communication system (8100SDC) introduction
The intelligent inspection communication system of Beifeng Railway is based on advanced DMR digital wireless communication technology，Comprehensive use of GIS satellite positioning technology, intelligent IP interconnection technology, fully integrated communication technology and rich voice scheduling functions，Provide patrol personnel with daily patrol clock, dynamic position trajectory tracking, real-time voice information interaction and emergency support。
此外，The system consists of client dispatching center, system data exchange control server, digital repeater and handheld terminal，Inspection personnel can skillfully integrate various status information (including: inspection route, real-time working status inspection, fault location, emergency alarm, etc.) with wireless communication through the handheld terminal，Realize network interconnection and information sharing among inspection personnel, dispatchers, and the client dispatching center，The stability, reliability and controllability of railway inspection are ensured，Effectively reduce the occurrence of security accidents，Improve the work efficiency and management dispatching ability of railway management department。
Application advantage
1, full IP technology, low maintenance cost
According to the traffic required by different railway stations, relay equipment is built, intelligent IP interconnection technology is integrated, and cloud deployment is easier to build and lower maintenance cost。Intra-station communication only enables the trunk of the site, cross-station single call only enables the trunk of two sites, and cross-station group call only enables the trunk of the terminal to which the group call belongs, ensuring the interconnection between multiple sites, departments, and personnel。
2. Inspection management function
The inspection rules are defined according to the specific management requirements of railway inspection。You can define the daily inspection times and inspection time for each line or the daily inspection times and inspection time for each line based on the inspection rules。The inspector uses active RIFD or passive RIFD identification points to record a more realistic record of each patrol during the inspection。The platform administrator can carry out the patrol shift management, inspection plan monitoring, patrol route management, etc. on the operator and carry out unified summary, management, and make the inspection completely。
3, intelligent platform, unified scheduling
The system can realize cross-system and cross-network unified command and dispatch communication through the fusion gateway。The railway dispatching center can not only command and dispatch personnel terminals, provide voice calls such as single call, group call, and full call, but also perform visual real-time dynamic scheduling, command delivery, and voice/information scheduling under GIS plane map and satellite map。
4, data management, auxiliary inspection tasks
Based on GIS data information platform and satellite positioning function, a powerful database such as patrol route planning, patrol area fence, shift punch card, patrol point punch card, satellite positioning, digital recording is formed。When a dispatcher or administrator creates an inspection task and sends it to a specified inspection personnel terminal, the administrator can view personnel work status on the dispatcher in real time, facilitating inspection management and scheduling。
At the same time, support for personnel inspection, recording, shift change, positioning track, attendance, equipment on and off, sending SMS messages and other management of positions, departments, end users, etc. can be classified query and multidimensional statistical analysis of relevant data and generate reports。
5, emergency help to ensure the safety of personnel
The handheld terminal provides the emergency help function. When an emergency occurs during inspection, the device automatically initiates a call for help。The dispatching center can quickly lock the real-time location of personnel, immediately and accurately notify the nearby personnel to provide assistance, reducing accident losses and casualties。
5. Reflection
The occurrence of railway safety accidents is not accidental。Beifeng Railway Intelligent inspection communication system (8100SDC) realizes real-time communication of daily inspection information, which facilitates the management department to efficiently supervise the implementation of patrol and inspection work, effectively detect hidden dangers, and reduce maintenance costs。Compared with the traditional inspection mode, the communication transmission and emergency response speed is 100% increased, improving the command efficiency, facilitating rapid deployment, and truly nipping security risks in the bud。
