信號機的顯示天津鐵道職業(yè)技術(shù)學(xué)院鐵路信號基礎(chǔ)設(shè)備維護信號機的顯示三、信號機的顯示列車信號機常態(tài)為滅燈狀態(tài)，一般情況下不使用。只有當(dāng)無ATP車載設(shè)備或車載設(shè)備故障的列車才使用。列車信號機的燈絲條件不納入聯(lián)鎖檢查。ATP車載設(shè)備正常工作時，司機以車載信號行車，地面信號機開放已無意義。所以車站及線路所列車信號機應(yīng)常態(tài)滅燈不顯示，僅起停車位置作用。對以隔離模式運行的動車組列車和施工路用列車，信號機點亮，滅燈視為紅燈。這些信號機平時可以不著燈，一方面節(jié)能，另一方面也可避免因地面信號與車載信號出現(xiàn)不一致時(如燈絲斷絲)導(dǎo)致的混亂。僅運行動車組的高速鐵路，遇列車未裝設(shè)列控設(shè)備(可能包括維修車、軌道車等)或列控設(shè)備停用時，相應(yīng)的列車信號機應(yīng)經(jīng)人工確認(rèn)后轉(zhuǎn)為點燈狀態(tài)。常態(tài)滅燈的車站(含無配線車站)出站信號機開放允許信號時應(yīng)檢查站間空閑條件。調(diào)車信號機應(yīng)常態(tài)點燈。地面信號機的信號顯示僅表示允許列車越過該信號機或在該信號機前停車，不區(qū)分進路方向，無速度含義。地面信號機的接近區(qū)段長度應(yīng)保證該信號機的信號關(guān)閉后最高運行速度的列車不會在此距離外的區(qū)段上產(chǎn)生列車超速防護（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進站信號機顯示含義：一個黃色閃光和一個黃色燈光表示準(zhǔn)許列車按限速要求越過該信號機，經(jīng)道岔側(cè)向位置進入站內(nèi)準(zhǔn)備停車；一個紅色燈光和一個月白色燈光表示準(zhǔn)許列車在該信號機前方不停車，以不超過40km／h的速度進站或通過接車進路，并須準(zhǔn)備隨時停車；其他信號顯示符合《技規(guī)》的規(guī)定。出站信號機顯示含義：一個綠色燈光表示準(zhǔn)許列車由車站以站間閉塞方式出發(fā)，前方站間空閑；一個紅色燈光和一個月白色燈光表示準(zhǔn)許列車由車站以站間閉塞方式出發(fā)，發(fā)車進路列車速度不超過40km／h，并須準(zhǔn)備隨時停車；其他信號顯示符合《技規(guī)》的規(guī)定。同一方向相鄰列車信號機之間的距離應(yīng)符合不同性能的列車按規(guī)定速度安全停車制動距離的要求。站內(nèi)列車信號機的顯示關(guān)系還應(yīng)符合下列規(guī)定：①辦理了接車進路，接車進路終端的出站或進路信號機應(yīng)點亮紅色燈光，若該信號機紅燈不能點亮?xí)r，防護接車進路的信號機則應(yīng)點亮紅色燈光。②辦理了通過進路，進路上的出站或進路信號機應(yīng)點亮相應(yīng)允許燈光，若允許燈光燈絲斷絲，則其前方信號機顯示應(yīng)相應(yīng)降級。信號機的顯示

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

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

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