信号机的显示铁路信号基础设备维护课件

信号机的显示天津铁道职业技术学院铁路信号基础设备维护信号机的显示三、信号机的显示列车信号机常态为灭灯状态，一般情况下不使用。只有当无ATP车载设备或车载设备故障的列车才使用。列车信号机的灯丝条件不纳入联锁检查。ATP车载设备正常工作时，司机以车载信号行车，地面信号机开放已无意义。所以车站及线路所列车信号机应常态灭灯不显示，仅起停车位置作用。对以隔离模式运行的动车组列车和施工路用列车，信号机点亮，灭灯视为红灯。这些信号机平时可以不着灯，一方面节能，另一方面也可避免因地面信号与车载信号出现不一致时(如灯丝断丝)导致的混乱。仅运行动车组的高速铁路，遇列车未装设列控设备(可能包括维修车、轨道车等)或列控设备停用时，相应的列车信号机应经人工确认后转为点灯状态。常态灭灯的车站(含无配线车站)出站信号机开放允许信号时应检查站间空闲条件。调车信号机应常态点灯。地面信号机的信号显示仅表示允许列车越过该信号机或在该信号机前停车，不区分进路方向，无速度含义。地面信号机的接近区段长度应保证该信号机的信号关闭后最高运行速度的列车不会在此距离外的区段上产生列车超速防护（ATP）限制信息。

Thetrainsignalisnormallyinanoffstateandisnotnormallyused.OnlyusedifthereisnoATPonboardequipmentoriftheonboardequipmentisfaulty.Thefilamentconditionofthetrainsignalisnotincludedintheinterlockingcheck.

WhentheATPonboardequipmentisworkingproperly,thedrivertravelswithatrain-bornesignalinganditisnolongermeaningfultohavethetracksidesignalclearing.Therefore,trainsignalsinstationandblockhouseshouldalwaysbeswitchedoffwithoutdisplayingalightandonlyserveasastopposition.Forelectricmultipleunittrainsandconstructionservicetrainsoperatinginisolatedmode,thesignalislitandtheextinguishedlightisregardedasaredlight.Thesesignalscannormallybeleftunlittosaveenergyontheonehandandtoavoidconfusioncausedbydiscrepancybetweenthetracksidesignalandthetrain-bornesignaling(suchasfilamentburn-out)ontheotherhand.Forhigh-speedrailwaysthatonlyoperateEMUs,whenthetrainsarenotequippedwithtraincontrolequipment(mayincludemaintenancevehicles,railcars,andsoon.)orthetraincontrolequipmentisoutofservice,thecorrespondingtrainsignalsshouldbelitaftermanualconfirmation.

Forstationsthatthelightsarenormallyoff(includingstationswithoutsiding),checkinter-stationunoccupiedwhenthedeparturesignalisopenforpermittedsignals.

Theshuntingsignalshallbenormallylit.Thesignaldisplayonthetracksidesignalonlyindicatesthatthetrainisallowedtocrossthesignalortostopinfrontofthesignal,withoutdifferentiatingtheroutedirectionandwithoutspeedmeaning.ThelengthoftheapproachsectionfortracksidesignalsshouldbesuchthattrainsoperatingatthehighestspeedafterthesignalisswitchedoffatthatsignaldonotgenerateanATPrestrictionmessageonthesectionbeyondthisdistance.DisplayofSignal进站信号机显示含义：一个黄色闪光和一个黄色灯光表示准许列车按限速要求越过该信号机，经道岔侧向位置进入站内准备停车；一个红色灯光和一个月白色灯光表示准许列车在该信号机前方不停车，以不超过40km／h的速度进站或通过接车进路，并须准备随时停车；其他信号显示符合《技规》的规定。出站信号机显示含义：一个绿色灯光表示准许列车由车站以站间闭塞方式出发，前方站间空闲；一个红色灯光和一个月白色灯光表示准许列车由车站以站间闭塞方式出发，发车进路列车速度不超过40km／h，并须准备随时停车；其他信号显示符合《技规》的规定。同一方向相邻列车信号机之间的距离应符合不同性能的列车按规定速度安全停车制动距离的要求。站内列车信号机的显示关系还应符合下列规定：①办理了接车进路，接车进路终端的出站或进路信号机应点亮红色灯光，若该信号机红灯不能点亮时，防护接车进路的信号机则应点亮红色灯光。②办理了通过进路，进路上的出站或进路信号机应点亮相应允许灯光，若允许灯光灯丝断丝，则其前方信号机显示应相应降级。信号机的显示

Themeaningofthehomesignaldisplay:ayellowflashandayellowlightindicatethatthetrainispermittedtocrossthesignalinaccordancewiththespeedlimitandenterthestationviatheturnoutsidinginpreparationforstopping.Oneredlightandonewhitelightindicatethatthetrainispermittedtoenterthestationwithoutstoppinginfrontofthesignal,ataspeedofnotmorethan40km/horthroughreceivingroute,andmustbepreparedtostopatanytime;othersignalsareshowninaccordancewiththeprovisionsoftheTechnicalRegulations.

Themeaningofthedeparturesignaldisplay:Onegreenlightindicatesthatthetrainispermittedtodepartfromthestationasaninter-stationblockandthatthestationaheadisunoccupied;oneredlightandonewhitelightindicatethatthetrainispermittedtodepartfromthestationasaninter-stationblockandthatthespeedofthedepartingtraindoesnotexceed40km/handmustbepreparedtostopatanytime;othersignalsareinaccordancewiththeprovisionsoftheTechnicalRegulations.

Thedistancebetweenadjacenttrainsignalsinthesamedirectionshallcomplywiththerequirementsforsafestoppingandbrakingdistancesfortrainsofdifferentperformanceattherequiredspeed.Thedisplayrelationshipoftrainsignalsatstationsshallalsocomplywiththefollowingregulations.①Ifthereceivingrouteishandled,thedeparturestationorroutesignalatthereceivingrouteterminalshouldbelitinred,andiftheredlightofthissignalcannotbelit,thesignalprotectingreceivingrouteshouldbelitinred.②Ifthethroughrouteisprocessed,