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1、计算机联锁工程设计毕业设计文档仅供参考，不当之处，请联系改正。摘要计算机联锁系统是保证行车安全的信号基础设备，必须保证工作可 靠，并符合故障一安全原则。实现联锁的基本功能，完成列车进路建 立、锁闭、解锁、道岔控制、信号机控制，完成轨道电路和信号设备状 态的监督，实现铁路系统特殊的联锁功能，确保列车进路正确和列车运 行的安全。本工程设计所选站场为一个虚拟车站一酒泉站的上行咽喉，设计内 容包括：信号平面布置图，该图能正确反映计算机联锁系统室外主要设 备的布置情况，主要完成道岔、警冲标、信号机坐标的计算并确定其位 置；双线轨道电路图，站内采用25Hz轨道电路，完成轨道电路的极性 配置、扼流变压器的设
2、置以及送受电端的布置；联锁表，包括基本进路 的选择、敌对信号的确定、轨道区段侵限检查等；电缆径路和电缆网络 图，根据公式计算电缆长度，选择电缆径路以及计算所需芯线数；系统 结构图，能够了解所采用的的系统硬件构成以及其工作原理；接口柜排 列表，能够反映出各个设备所属的组合以及驱动电路和采集电路所需的 继电器类型；室内布置图，即室内各种设备的布置情况。关键词：计算机联锁；极性交叉；联锁表AbstractComputer interlocking system ensure the safety of traffic operation signal infrastructure so it mus
3、t ensure working reliably and according to the “fail-safe” principle. The basic function of the interlocking is to create, lock, release, switch control, signal control the completion of the train route, to complete the supervision of the state of track circuits and signaling equipment, and use spec
4、ial interlocking rail system to ensure the correct of the train route and the safety of the train operation.The design selected for a virtual train stationJiuquan station up direction throat, the design elements includes. The signal layout map, which accurately reflect the setting circs of the main
5、outdoor facilities, the main task to complete are the switch, police marked red and the calculation of the coordinates of the signal and determination of their locations. Double rail track circuit map, the station uses 25Hz track circuit, to complete are the track circuit polarity configuration sett
6、ings, impedance transformer and the arrangement of the end of sending or receiving power console. Disk map, including the cell types of selection and the arrangement of the various buttons. Cable pathways and cable network, according to formula to calculate the length of cables, select cable pathway
7、s and calculate the required number of cored wire. We can understand the system hardware as well as its working principle by using system structure picture. The interfacecabinet row of the list can reflect each device belongs to the portfolio andthe drive circuit or the relay type which acquisition circuits required for. Thelayout variety of indoor equipment constitute the indoor layout map.Key Words: Computer interlocking, Polar transposition, Interlocking tabl(
