系统特点铁路信号基础设备维护课件

系统特点天津铁道职业技术学院铁路信号基础设备维护ZPW-2000A•T型轨道电路与ZPW-2000A•J型轨道电路的区别1.ZPW-2000A•T轨道电路接收器载频选择可通过列控中心进行集中配置，发送器采用无接点的计算机编码方式，取代了既有ZPW-2000A•J轨道电路系统的继电编码方式，取消了大量的编码继电器。2.发送器由既有的N+1提高为1+1的备用模式，最大限度地降低了因设备故障而影响行车。3.将既有ZPW-2000A轨道电路的调谐单元和匹配单元整合为一个调谐匹配单元，减少了系统的设备数量，提高了系统的可靠性。4.优化了补偿电容的配置，不同的信号载频采用不同的补偿间距；补偿电容采用了全密封工艺，提高了其电容值稳定性和延长了使用寿命。系统特点DifferencesbetweenZPW-2000A-TtrackcircuitandZPW-2000A-Jtrackcircuit1.CarrierfrequencyselectionofZPW-2000A-Ttrackcircuitreceivercanbecentrallyconfiguredthroughthetraincontrolcenter,andthetransmitteradoptsthecontactlesscomputercodingmethod,replacingtherelaycodingmethodoftheexistingZPW-2000A-Jtrackcircuitsystemandeliminatingalargenumberofcodingrelays.2.ThestandbymodeoftransmitterisimprovedfromtheexistingN+1to1+1,whichminimizestheimpactontrafficduetoequipmentfailure.Systemfeatures3.IntegratethetuningunitandmatchingunitoftheexistingZPW-2000Atrackcircuitintoatuningandmatchingunitanditreducesthenumberofequipmentandimprovesthereliabilityofthesystem.4.Optimizetheconfigurationofcompensationcapacitors.Differentcompensationspacingisadoptedfordifferentsignalcarrierfrequencies.Thecompensationcapacitorsadoptafullysealedprocesstoimprovethestabilityoftheircapacitanceandextendtheirservicelife.Systemfeatures5.加大了空芯线圈的导线线径，从而提高了关键设备的安全容量要求。6.ZPW-2000A•T轨道电路系统带有监测和故障诊断功能，为系统的状态修提供了技术支持。7.站内采用与区间同制式的ZPW-2000A•T轨道电路，提高了系统的可靠性。8.ZPW-2000A•T站内道岔区段的弯股采用与直股并联的一送一受轨道电路结构，使道岔分支长度由小于等于30m延长到160m，提高了机车信号车载设备在站内使用的安全性、灵活性，方便了设计。9.ZPW-2000A•T小轨道纳入列控中心实施轨道区段检查，列控中心对区间正反向运行均进行小轨道检查，列控中心同时向CTC，CBI，CSM，TSRS发送区间轨道状态信息，同时TCC维护终端实施显示轨道区段状态信息。系统特点5.Thewirediameterofthehollowcorecoilisincreased,thusimprovingthesafetycapacityrequirementsofcriticalequipment.6.ZPW-2000A-Ttrackcircuitsystemisequippedwithmonitoringandfaultdiagnosisfunction,whichprovidestechnicalsupportfortheconditionrepairofthesystem.7.ThestationadoptsthesameZPW-2000A-Ttrackcircuitasthesection,whichimprovesthereliabilityofthesystem.8.ThecurvedlineofZPW-2000A-Tstationturnoutsectionadoptsthetrackcircuitwiththestructureofonesendingandonereceivingendwhichisinparallelwiththestraightline.Inthiscondition,thebranchlengthoftheturnoutisextendedfromlessthanorequalto30mto160m.Itimprovesthesafetyandflexibilityofthelocomotivesignalon-boardequipmentusedinthestationandfacilitatesthedesign.Systemfeaturesrequirementsofcriticalequipment.9.ZPW-2000A•Tsmalltrackisincorporatedintothetraincontrolcentertoimplementtracksectioninspection.Thetraincontrolcentercarriesoutsmalltrackinspectionforbothnormalandreverseoperationofthesection,andthetraincontrolcentersendssectiontrackstatusinformationtoC