部分圖片來源于網(wǎng)絡(luò) Some pictures come from the Internet.-列車運(yùn)行控制系統(tǒng)維護(hù) Maintenance of Train Operation Control System-1737991585616

鐵道信號自動控制專業(yè)教學(xué)資源庫TeachingResourceDatabasefortheSpecialtyofAutomaticControlforRailwaySignal列車運(yùn)行控制系統(tǒng)維護(hù)MaintenanceofTrainOperationControlSystem柳州鐵道職業(yè)技術(shù)學(xué)院LiuzhouRailwayVocationalTechnicalCollege部分圖片來源于網(wǎng)絡(luò)SomepicturescomefromtheInternet.疊加電碼化設(shè)計原則DesignPrincipleofOverlappingCoding一、疊加電碼化設(shè)計原則I.DesignPrincipleofOverlappingCoding疊加式電碼化的提出Proposalofoverlappingcoding占用疊加發(fā)碼Occupancyoverlappingcoding設(shè)計原則Designprinciple要使機(jī)車信號穩(wěn)定工作，則機(jī)車信號接收中斷時間應(yīng)小于機(jī)車信號制式允許的最大時間。這就提出了疊加式電碼化電路。疊加發(fā)碼通過電氣隔離設(shè)備將軌道電路與電碼化并接在一起，使軌道信息的發(fā)送、接收和電碼化信息的發(fā)送，同時接向鋼軌，將完成發(fā)碼所需的時間降低到最小。Tomakethelocomotivesignalworkstably,thereceivinginterruptiontimeofthelocomotivesignalshallbelessthanthemaximumtimeallowedbythelocomotivesignalsystem.Therefore,anoverlappingcodedcircuitwasproposed.Overlappingcodingconnectsthetrackcircuitandcodinginparallelthroughelectricalisolationequipment,sothatthesendingandreceptionoftrackinformationandthesendingofcodinginformationareconnectedtotherailatthesametime,thusminimizingthetimerequiredforcompletingcoding.DesignPrincipleofOverlappingCoding疊加式電碼化的提出Proposalofoverlappingcoding占用疊加發(fā)碼Occupancyoverlappingcoding設(shè)計原則Designprinciple疊加發(fā)碼又分為“占用疊加發(fā)碼”和“預(yù)先疊加發(fā)碼”兩種。剛占用本軌道區(qū)段便開始疊加發(fā)碼稱為“占用疊加發(fā)碼”；剛占用本區(qū)段則下一個區(qū)段便開始提前疊加發(fā)碼稱為“預(yù)先疊加發(fā)碼”。Overlappingcodingisdividedinto"occupancyoverlappingcoding"and"pre-overlappingcoding".Overlappingcodingimmediatelyafteroccupyingthetracksectioniscalled"occupancyoverlappingcoding";pre-overlappingcodingfromthenextsectionimmediatelyafteroccupyingthissectioniscalled"pre-overlappingcoding".“占用疊加發(fā)碼”方式允許的最大接收中斷時間0.2～0.4s，小于0.6s電碼化脈動斷開時間，不影響機(jī)車信號正常工作，只影響機(jī)車信號的應(yīng)變時間。但當(dāng)列車速度進(jìn)一步提高時，短區(qū)段連續(xù)存在時，仍會影響機(jī)車信號的正常工作。Themaximumreceivinginterruptiontimeallowedbythe"occupancyoverlappingcoding"modeis0.2~0.4s,whichislessthanthecodingpulsedisconnectiontimeof0.6s.Itdoesnotaffectthenormalworkofthelocomotivesignalbutonlyaffectstheresponsetimeofthelocomotivesignal.However,whenthetrainspeedisfurtherincreasedandshortsectionscontinuetoexist,thenormaloperationofthelocomotivesignalwillstillbeaffected.DesignPrincipleofOverlappingCoding疊加式電碼化的提出Proposalofoverlappingcoding占用疊加發(fā)碼Occupancyoverlappingcoding設(shè)計原則Designprinciple電路設(shè)計必須滿足鐵路信號“故障—安全”的原則。室內(nèi)故障或室外電纜一處混線時，不應(yīng)發(fā)送晉級顯示的信息和向其他區(qū)段發(fā)碼。Thecircuitdesignmustmeettheprincipleof"failure-safety"forrailwaysignaling.Incaseofindoorfailureormixedoutdoorcables,itisnotallowedtosendtheinformationdisplayingpromotionandsendcodestoothersections.在最不利條件下，入口電流應(yīng)滿足機(jī)車信號的工作需要。Underthemostunfavorableconditions,theinletcurrentshallmeettheworkingneedsofthelocomotivesignal.電碼化不應(yīng)降低原有軌道電路的基本技術(shù)性能。Codingshallnotdegradethebasictechnicalperformanceoftheoriginaltrackcircuit.列車冒進(jìn)信號時，其占用的所有咽喉區(qū)段不應(yīng)發(fā)碼；列車冒進(jìn)樞紐的絕對信號機(jī)時，至少其內(nèi)方第一區(qū)段不發(fā)碼。Whenthetrainoverrunsthesignal,allthroatsectionsoccupiedbyitshallnotsendcodes;whenthetrainoverrunstheabsolutesignaloftheterminal,atleastthefirstsectioninsideitshallnotsendcodes.已發(fā)碼的區(qū)段，當(dāng)區(qū)段空閑后，軌道電路應(yīng)能自動恢復(fù)到調(diào)整狀態(tài)。Forthecodedsection,whenthesectionisunoccupied,thetrackcircuitshallbeabletoautomaticallyrestoretotheadjustmentstate.DesignPrincipleofOverlappingCoding疊加式電碼化的提出Proposalofoverlappingcoding占用疊加發(fā)碼Occupancyoverlappingcoding設(shè)計原則Designprinciple列車進(jìn)行摘掛作業(yè)時，不應(yīng)終止發(fā)碼。Codingshallnotbeterminatedduringthecouplinganddecouplingofthetrain.有效電碼中斷的最長時間，應(yīng)不大于機(jī)車信號允許中斷的最短時間。Themaximuminterruptiontimeofvalidcodeshallnotbegreaterthantheminimuminterruptiontimeallowedbythelocomotivesignal.電碼化應(yīng)提供能滿足機(jī)車信號穩(wěn)定工作的條件，提速區(qū)段應(yīng)采用預(yù)疊加電碼化。Codingshallprovideconditionsthatcanmeetthestableworkofthelocomotivesignal,andpre-overlappingcodingshallbeadoptedforspeed-upsections.當(dāng)主設(shè)備故障時，副設(shè)備自動投入使用。Whenthemainequipmentfails,theauxiliaryequipmentwillautomaticallybeputintouse.股道的發(fā)碼設(shè)備專用時設(shè)單套，共用時設(shè)雙套。正線接、發(fā)車進(jìn)路的發(fā)碼設(shè)備設(shè)雙套。Asetofcodingequipmentshallbeprovidedforadedicatedtrackandtwosetsofcodingequipmentshallbeprovidedforsharedtracks.Twosetsofcodingequipmentshallbeprovidedforthemaintrackreceivinganddepartureroutes.電碼化發(fā)碼設(shè)備應(yīng)加裝監(jiān)測裝置。Thecodingequipmentshallbeequippedwithamonitoringdevice.DesignPrincipleofOverlappingCoding疊加式電碼化的提出Proposalofoverlappingcoding占用疊加發(fā)碼Occupancyoverlappingcoding設(shè)計原則Designprinciple電碼化發(fā)碼設(shè)備應(yīng)加裝防雷。Thecodingequipmentshallbeequippedwithalightningprotectiondevice.電碼化不應(yīng)損壞軌道電路設(shè)備。Codingshallnotdamagetrackcircuitequipment.電碼化信息傳輸應(yīng)與軌道電路信息傳輸合用電纜芯線。Codinginformationtransmissionshallsharethecablecorewithtrackcircuitinformationtransmission.機(jī)車信號機(jī)的顯示應(yīng)符合《中華人民共和國鐵路技術(shù)管理規(guī)程》的規(guī)定，特殊情況報請有關(guān)部門批準(zhǔn)后執(zhí)行。ThedisplayofthelocomotivesignalshallcomplywiththeprovisionsoftheRegulationsofRailwayTechnicalOperationofthePeople'sRepublicofChina,andspecialcircumstancesshallbereportedtorelevantdepartmentsforapprovalbeforeimplementation.DesignPrincipleofOverlappingCoding補(bǔ)償電容的計算、疊加方式站內(nèi)軌道電路電碼化類型CalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes一、補(bǔ)償電容設(shè)置I.SettingofCompensationCapacitor補(bǔ)償電容設(shè)置Settingofcompensationcapacitor設(shè)置方法

等間距Δ=L/∑Settingmethod:equalspacingΔ=L/∑Δ為等間距，L為軌道電路長度，∑為電容數(shù)量Δistheequalspacing,Listhetrackcircuitlengthand∑isthenumberofcapacitors電容數(shù)量Σ=N+A，N：百米位數(shù)，A：個位、拾位數(shù)為0時為0個位、拾位數(shù)不為0時為1。NumberofcapacitorsΣ=N+A,N:hundred-meterdigit;A:0whentheunitsandtensdigitsare0;1whentheunitsandtensdigitsarenot0.序號S/N電容容量Capacitorcapacity載頻Frequency載頻Frequency180μF1700Hz2000Hz260μF2300Hz2600HzCalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes舉例：Example:假如軌道電路長度為L=900mIfthetrackcircuitlengthisL=900mN=9A=0Σ=9+0=9，N=9A=0Σ=9+0=9,等間距Δ=900/9=100m，半間距Δ/2=100/2=50mEqualspacingΔ=900/9=100m,halfspacingΔ/2=100/2=50mC1C2C3C4C5C6C8C950m100m100m100m100m100m100m100m補(bǔ)償電容安裝圖InstallationDiagramofCompensationCapacitor50m100mC7機(jī)誡絕緣節(jié)MechanicalinsulationjointCalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes1、車站軌道電路電碼化類型1.CodingTypeofStationTrackCircuit非電化牽引區(qū)段交流連續(xù)式軌道電路（480軌道電路）及25Hz相敏軌道電路疊加ZPW－2000系列電碼化電路。ACcontinuoustrackcircuit(480trackcircuit)and25Hzphase-sensitivetrackcircuit(PSTC)innon-electrifiedtractionsections+ZPW-2000seriescodedcircuits.電化牽引區(qū)段25Hz相敏軌道電路疊加ZPW－2000電碼化電路。它們各有二線制和四線制電碼化電路。The25HzPSTCinnon-electrifiedtractionsections+ZPW-2000codedcircuit.Theyhavetwo-wireandfour-wirecodedcircuitsrespectively.二線制電碼化電路指電碼化電路利用原軌道電路的送電端或受電端的兩根電纜芯線送往鋼軌。Thetwo-wirecodedcircuitmeansthatthecodedcircuitusestwocablecoresatthefeedendorreceivingendoftheoriginaltrackcircuittosendpowertotherail.四線制電碼化電路指電碼化電路另外增加兩根電纜芯線送往鋼軌。Thefour-wirecodedcircuitmeansthattwoadditionalcablecoresareaddedtothecodingcircuitforsendingpowertotherail.CalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes二線制電化區(qū)段25Hz相敏軌道電路+ZPW-2000電碼化25HzPSTCintwo-wireelectrifiedsections+ZPW-2000coding四線制非電化區(qū)段480軌道電路疊加ZPW-2000電碼化480trackcircuitinfour-wirenon-electrifiedsections+ZPW-2000coding四線制非電化區(qū)段25Hz相敏軌道電路疊加ZPW-2000電碼化25HzPSTCinfour-wirenon-electrifiedsections+ZPW-2000coding二線制非電化區(qū)段25Hz相敏軌道電路+ZPW-2000電碼化25HzPSTCintwo-wirenon-electrifiedsection+ZPW-2000coding二線制非電化區(qū)段480軌道電路疊加ZPW-2000電碼化480trackcircuitintwo-wirenon-electrifiedsections+ZPW-2000coding四線制電化區(qū)段25Hz相敏軌道電路疊加ZPW-2000電碼化25HzPSTCinfour-wireelectrifiedsections+ZPW-2000codingCalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes2.舉例2.ExampleCalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes2.舉例2.ExampleCalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes2.舉例2.ExampleCalculationofCompensationCapacitorandCodingTypesofIn-stationTrackCircuitinVariousOverlappingModes二線制疊加方式站內(nèi)電碼化載頻頻率的排列ArrangementofIn-stationCodingFrequencyinTwo-wireOverlappingMode1、載頻頻譜的排列1.ArrangementofFrequencySpectrum

①下行正線，咽喉區(qū)正向接車、發(fā)車進(jìn)路的載頻為1700-2。為防止進(jìn)、出站處鋼軌絕緣破損，-1、-2載頻可與區(qū)間ZPW-2000軌道電路-1、-2載頻交錯。正線股道的載頻為1700-2。①Thefrequencyofforwardreceivinganddepartureroutesinthedownthroatareaofthemaintrackis1700-2.Topreventrailinsulationdamageattheentranceandexit,frequencies-1and-2canbestaggeredwithfrequencies-1and-2ofthesectionZPW-2000trackcircuit.Thefrequencyofthemaintrackis1700-2.

②上行正線，咽喉區(qū)正向接車、發(fā)車進(jìn)路的載頻為2000-2。為防止進(jìn)、出站處鋼軌絕緣破損，-1、-2載頻可與區(qū)間ZPW-2000軌道電路-1、-2載頻交錯。正線股道的載頻為2000-2。②Thefrequencyofforwardreceivinganddepartureroutesintheupthroatareaofthemaintrackis2000-2.Topreventrailinsulationdamageattheentranceandexit,frequencies-1and-2canbestaggeredwithfrequencies-1and-2ofthesectionZPW-2000trackcircuit.Thefrequencyofthemaintrackis2000-2.

③側(cè)線股道③Sidingtrack下行正方向，各股道按下行方向載頻2300-1Hz、1700-1Hz交錯排列。Forthedownpositivedirection,eachtrackisstaggeredaccordingtothefrequenciesof2300-1Hzand1700-1Hzinthedowndirection.上行正方向，各股道按上行方向載頻2600-1Hz、2000-1Hz交錯排列。Fortheuppositivedirection,eachtrackisstaggeredaccordingtothefrequenciesof2600-1Hzand2000-1Hzintheupdirection.到發(fā)線股道以1700-1Hz/2000-1Hz或2300-1Hz/2600-1Hz選擇載頻配置。1700-1Hz/2000-1Hzor2300-1Hz/2600-1Hzisselectedasthefrequencyofthereceiving-departuretrack.ArrangementofIn-stationCodingFrequencyinTwo-wireOverlappingMode2.站內(nèi)電碼化載頻頻率的布置2.ArrangementofIn-stationCodingFrequency站內(nèi)正線接發(fā)車進(jìn)路采用2系載頻，側(cè)線股道采用1系載頻間隔布置。Thereceivinganddepartureroutesofthemaintrackinthestationarearrangedwithsecondaryfrequency,andthesidingtrackisarrangedatintervalswithprimaryfrequency.A.正線A.Maintrack下行正線正向接、發(fā)車進(jìn)路和股道的載頻為1700-2.Thefrequencyofforwardreceivinganddepartureroutesandtracksonthedownmaintrackis1700-2.上行正線正向接、發(fā)車進(jìn)路和股道的載頻為2000-2.Thefrequencyofforwardreceivinganddepartureroutesandtracksontheupmaintrackis2000-2.正線正向接、發(fā)車進(jìn)路和股道載頻可根據(jù)需要選擇另一線路為-2載頻。Forthefrequencyoftheforwardreceivinganddepartureroutesandtracksofthemaintrack,anotherlinecanbeselectedas-2frequencyaccordingtoneeds.為防止進(jìn)出站處鋼軌絕緣破損，站內(nèi)-1，-2載頻應(yīng)與區(qū)間ZPW-2000軌道電路-1，-2載頻交錯。Topreventrailinsulationdamageattheentranceandexit,frequencies-1and-2inthestationshallbestaggeredwithfrequencies-1and-2ofthesectionZPW-2000trackcircuit.ArrangementofIn-stationCodingFrequencyinTwo-wireOverlappingModeB.側(cè)線股道B.Sidingtrack各股道兩端，下行方向載頻按2300-1、1700-1交錯排列，上行方向載頻按2600-1、2000-1交錯排列。Atbothendsofeachtrack,thefrequencies2300-1and1700-1arestaggeredinthedowndirectionandthefrequencies2600-1and2000-1arestaggeredintheupdirection.相鄰側(cè)線股道，以1700-1、2000-1與2300-1/2600-1載頻交錯配置。Foradjacentsidingtracks,thefrequencies1700-1and2000-1andthefrequency2300-1/2600-1arestaggered.ArrangementofIn-stationCodingFrequencyinTwo-wireOverlappingModeArrangementofIn-stationCodingFrequencyinTwo-wireOverlappingMode正線正方向接車進(jìn)路預(yù)疊加電碼化電路Pre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute繼電器電路Relaycircuit電碼化電路舉例Exampleofcodedcircuit發(fā)碼電路Codingcircuit1、JMJ電路1.JMJcircuit2、CJ電路2.CJcircuit3、FMJ電路3.FMJcircuit1、信息編碼1.Informationcoding2、編碼電路2.Codingcircuit1、正線正方向接車進(jìn)路加電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoute2、正線反方向接車進(jìn)路電碼化電路2.CodedCircuitofMainTrackNegativeDirectionReceivingRoute3、發(fā)車進(jìn)路電碼化電路3.CodedCircuitofDepartureRoute4、到發(fā)線股道電碼化電路4.CodedCircuitofReceiving-departureTrackPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute1、繼電器控制電路1.RelayControlCircuit繼電器接點RelaycontactPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute1、繼電器控制電路1.RelayControlCircuitZXJLXJGJ1LQJ幾個常用繼電器Severalcommonrelays---正線繼電器；---Maintrackrelay;---列車信號繼電器；---Trainsignalrelay;---股道區(qū)段軌道繼電器；---Trackrelayintracksection;---離去區(qū)段軌道繼電器。---Trackrelayindeparturesection.Pre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute1、繼電器控制電路1.RelayControlCircuit每一個接車方向設(shè)一個JMJ。JMJ↑說明建立的是正線接車進(jìn)路。SetaJMJforeachreceivingdirection.JMJ↑indicatesthatthemaintrackreceivingrouteisestablished.（1）JMJ接車發(fā)碼繼電器電路(1)JMJreceivingcodingrelaycircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DGPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute1、繼電器控制電路1.RelayControlCircuit每一軌道區(qū)段設(shè)一個CJ

。用于控制發(fā)送器向軌道區(qū)段發(fā)送移頻信號的時機(jī)。SetaCJforeachtracksection.Itisusedtocontrolthetimingwhenthetransmittersendsthefrequencyshiftsignaltothetracksection.（2）CJ傳輸繼電器電路(2)CJtransmissionrelaycircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DGPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute1、繼電器控制電路1.RelayControlCircuit平時，XFMJ落下狀態(tài)Normally,XFMJisde-energized（3）FMJ繼電器電路(3)FMJrelaycircuitPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute2、發(fā)碼電路2.CodingCircuit所謂編碼電路即電碼化移頻發(fā)送盒的低頻信息控制電路。低頻信息控制電路由進(jìn)、出站信號電路有關(guān)繼電器接點構(gòu)成。Theso-calledcodingcircuitisthelow-frequencyinformationcontrolcircuitofthecodedfrequencyshifttransmissionbox.Thelow-frequencyinformationcontrolcircuitconsistsofrelaycontactsofinboundandoutboundsignalcircuits.（1）信息編碼(1)Informationcoding出站信號機(jī)顯示StartingsignaldisplayLXJFZXJF2LQJF3LQJF發(fā)送信息碼Sendinformationcode紅Red↓HU綠（側(cè)向發(fā)車）Green(lateraldeparture)↑↓UU黃Yellow↑↑↓U綠黃Greenandyellow↑↑↑↓LU綠Green↑↑↑↑LPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute2、發(fā)碼電路2.CodingCircuit（2）編碼電路(2)CodingcircuitPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute（3）發(fā)碼電路(3)Codingcircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DGPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute3、電碼化電路舉例3.ExamplesofCodedCircuit1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoute2、正線反方向接車進(jìn)路電碼化電路2.CodedCircuitofMainTrackNegativeDirectionReceivingRoute3、正線正方向發(fā)車進(jìn)路電碼化電路3.CodedCircuitofMainTrackPositiveDirectionDepartureRoute4、到發(fā)線股道電碼化電路4.CodedCircuitofReceiving-departureTrackPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute以X→ⅠG道接車進(jìn)路為例TakingX→IGtrackreceivingrouteasanexample→XLXJ↑XZXJ↑1GJF↑→XJMJ↑→XIJMJ↑排列進(jìn)路，開放信號Routesettingandsignalclearing1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoute1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DGPre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入3JGThetrainenters3JG3JGJ↓→1AGCJ↑（1-2）→

經(jīng)XJMJ向1AG發(fā)碼3JGJ↓→1AGCJ↑(1-2)→sendcodeto1AGviaXJMJ列車進(jìn)入1AGThetrainenters1AG1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DG1AGJ↓→1AGCJ↑（3-4）→經(jīng)XJMJ向1AG發(fā)碼1AGJ↓→1AGCJ↑(3-4)→sendcodeto1AGviaXJMJ

→5DGCJ↑（1-2）→經(jīng)XJMJ向5DG發(fā)碼→5DGCJ↑(1-2)→sendcodeto5DGviaXJMJ

→XLXJ↓1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入5DGThetrainenters5DG5DGJ↓→5DGCJ↑（3-4）→經(jīng)XJMJ向5DG發(fā)碼5DGJ↓→5DGCJ↑(3-4)→sendcodeto5DGviaXJMJ

→3DGCJ↑（1-2）→經(jīng)XJMJ向3DG發(fā)碼→3DGCJ↑(1-2)→sendcodeto3DGviaXJMJ→1AGCJ↓→1AG恢復(fù)原軌道電路→1AGCJ↓→1AGrestorestheoriginaltrackcircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DG1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入3DGThetrainenters3DG3DGJ↓→3DGCJ↑（3-4）→經(jīng)XJMJ向3DG發(fā)碼3DGJ↓

→3DGCJ↑(3-4)→sendcodeto3DGviaXJMJ

→9-15DGCJ↑（1-2）→經(jīng)XJMJ向9-15DG發(fā)碼

→9-15DGCJ↑(1-2)

→sendcodeto9-15DGviaXJMJ

→5DGCJ↓→5DG恢復(fù)原軌道電路

→5DGCJ↓

→5DGrestorestheoriginaltrackcircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DG1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入9-15DGThetrainenters9-15DG9-15DGJ↓→9-15DGCJ↑（3-4）→經(jīng)XJMJ向9-15DG發(fā)碼9-15DGJ↓

→9-15DGCJ↑(3-4)→sendcodeto9-15DGviaXJMJ

→17-23DGCJ↑（1-2）→經(jīng)XJMJ向17-23DG發(fā)碼

→17-23DGCJ↑(1-2)

→sendcodeto17-23DGviaXJMJ

→3DGCJ↓→3DG恢復(fù)原軌道電路

→3DGCJ↓

→3DGrestorestheoriginaltrackcircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DG1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入17-23DGThetrainenters17-23DG17-23DGJ↓→17-23DGCJ↑（3-4）→經(jīng)XJMJ向17-23DG發(fā)碼17-23DGJ↓

→17-23DGCJ↑(3-4)→sendcodeto17-23DGviaXJMJ

→IGCJ↑（1-2）→經(jīng)IGCJ向IG發(fā)碼

→IGCJ↑(1-2)→sendcodetoIGviaIGCJ

→9-15DGCJ↓→9-15DG恢復(fù)原軌道電路

→9-15DGCJ↓→9-15DGrestorestheoriginaltrackcircuit1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DG1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入IGThetrainentersIGIGJ↓→IGCJ↑（3-4）→IGCJ向IG發(fā)碼IGJ↓→IGCJ↑(3-4)→sendcodetoIGviaIGCJ

→17-23DGCJ↓→17-23DG恢復(fù)原軌道電路→17-23DGCJ↓→17-23DGrestorestheoriginaltrackcircuit→XJMJ↓1AG5DG9-15DGⅠG17-23DG3JGXXⅠ163DG1、正線正方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute正線反方向接車進(jìn)路預(yù)疊加電碼化電路Pre-overlappingCodedCircuitofMainTrackNegativeDirectionReceivingRoute

1、正線反方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackNegativeDirectionReceivingRoute排列進(jìn)路，開放信號Routesettingandsignalclearing→SFLXJ↑SFZXJ↑IGJF↑→SFJMJ↑→SIJMJ↑Pre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車駛?cè)胍浑x去區(qū)段ThetrainentersadeparturesectionX1LQJ↓→4DGCJ↑（3-4）→經(jīng)SFJMJ向4DG發(fā)碼X1LQJ↓→4DGCJ↑(3-4)→sendcodeto4DGviaSFJMJ→SFLXJ↓1、正線反方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackNegativeDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入4DGThetrainenters4DG4DGJ↓→4DGCJ↑（1-2）→經(jīng)SFJMJ向4DG發(fā)碼4DGJ↓→4DGCJ↑(1-2)→sendcodeto4DGviaSFJMJ

→8-10DGCJ↑（3-4）→經(jīng)SFJMJ向8-10DG發(fā)碼→8-10DGCJ↑(3-4)→sendcodeto8-10DGviaSFJMJ列車駛?cè)?-10DGThetrainenters8-10DG8-10DGJ↓→8-10DGCJ↑（1-2）→經(jīng)SFJMJ向8-10DG發(fā)碼8-10DGJ↓→8-10DGCJ↑(1-2)→sendcodeto8-10DGviaSFJMJ

→16-18GCJ↑（3-4）→經(jīng)SFJMJ向16-18DG發(fā)碼→16-18GCJ↑(3-4)→sendcodeto16-18DGviaSFJMJ→4DG恢復(fù)原軌道電路→4DGrestorestheoriginaltrackcircuit1、正線反方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackNegativeDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute列車進(jìn)入16-18DGThetrainenters16-18DG16-18DGJ↓→16-18DGCJ↑（1-2）→經(jīng)SFJMJ向16-18DG發(fā)碼16-18DGJ↓→16-18DGCJ↑(1-2)→sendcodeto16-18DGviaSFJMJ

→1GCJ↑（1-2）→經(jīng)IDCJ向IG發(fā)碼→1GCJ↑(1-2)→sendcodetoIGviaIDCJ→8-10DG恢復(fù)原軌道電路→8-10DGrestorestheoriginaltrackcircuit列車駛?cè)隝GThetrainentersIGIGJ↓→IGCJ↑（3-4）→經(jīng)IGCJ向IG發(fā)碼IGJ↓→IGCJ↑(3-4)→sendcodetoIGviaIGCJ→16-18DG恢復(fù)原軌道電路→16-18DGrestorestheoriginaltrackcircuit

→SFJMJ↓1、正線反方向接車進(jìn)路電碼化電路1.CodedCircuitofMainTrackNegativeDirectionReceivingRoutePre-overlappingCodedCircuitofMainTrackPositiveDirectionReceivingRoute正線發(fā)車進(jìn)路預(yù)疊加電碼化電路Pre-overlappingcodedcircuitofmaintrackdepartureroute以XI發(fā)車進(jìn)路為例TakingXIdeparturerouteasanexampleXILXJ↑XIZXJ↑XILQJ↑→XIFMJ↑排列進(jìn)路，開放信號Routesettingandsignalclearing1、正線正方向發(fā)車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionDepartureRoutePre-overlappingCodedCircuitofMainTrackDepartureRouteIGJF↓→

16-18DGCJ↑（3-4），經(jīng)XIFMJ向16-18DG發(fā)碼IGJF↓→16-18DGCJ↑(3-4),sendcodeto16-18DGviaXIFMJ列車在IGThetrainisinIG16-18DGJF↓→

16-18DGCJ↑（1-2），經(jīng)XIFMJ向16-18DG發(fā)碼16-18DGJF↓→16-18DGCJ↑(1-2),sendcodeto16-18DGviaXIFMJ

→

8-10DGCJ↑（3-4），經(jīng)

XIFMJ向8-10DG發(fā)碼→8-10DGCJ↑(3-4),sendcodeto8-10DGviaXIFMJ→IG恢復(fù)原軌道電路→IGrestorestheoriginaltrackcircuit→X1LXJ↓列車駛?cè)?6-18DGThetrainenters16-18DG1、正線正方向發(fā)車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionDepartureRoutePre-overlappingCodedCircuitofMainTrackDepartureRoute8-10DGJF↓→

8-10DGCJ↑（1-2），經(jīng)XIFMJ向8-10DG發(fā)碼8-10DGJF↓→8-10DGCJ↑(1-2),sendcodeto8-10DGviaXIFMJ

→4DGCJ↑（3-4），經(jīng)XIFMJ向4DG發(fā)碼→4DGCJ↑(3-4),sendcodeto4DGviaXIFMJ

→

16-18DG恢復(fù)原軌道電路→16-18DGrestorestheoriginaltrackcircuit列車駛?cè)?-10DGThetrainenters8-10DG1、正線正方向發(fā)車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionDepartureRoutePre-overlappingCodedCircuitofMainTrackDepartureRoute4DGJF↓→

4DGCJ↑（1-2），經(jīng)XIFMJ向4DG發(fā)碼4DGJF↓→4DGCJ↑(1-2),sendcodeto4DGviaXIFMJ

→

8-10DG恢復(fù)原軌道電路→8-10DGrestorestheoriginaltrackcircuit列車駛?cè)?DGThetrainenters4DG1、正線正方向發(fā)車進(jìn)路電碼化電路1.CodedCircuitofMainTrackPositiveDirectionDepartureRoutePre-overlappingCodedCircuitofMainTrackDepartureRoute機(jī)車信號載頻的鎖頻LockingofLocomotiveSignalFrequency一、機(jī)車信號載頻自動切換I.AutomaticSwitchingofLocomotiveSignalFrequency（一）機(jī)車信號載頻自動切換的作用(I)Functionofautomaticswitchingoflocomotivesignalfrequency機(jī)車信號載頻自動切換系統(tǒng)，解決了列車在上下行線間轉(zhuǎn)線運(yùn)行時由人工進(jìn)行切換所存在的手續(xù)煩瑣、切換地點不明確、切換時機(jī)難于掌握等問題。解決了機(jī)車信號載頻鄰線同載干擾的問題。Thelocomotivesignalfrequencyautomaticswitchingsystemsolvestheproblemssuchascomplicatedprocedures,unclearswitchinglocations,anddifficultytomastertheswitchingtimewhentrainsaremanuallyswitchedbetweenupanddowntracks,andtheproblemofsame-loadinterferencebetweenadjacenttracksintermsoflocomotivesignalfrequency.LockingofLocomotiveSignalFrequency（二）載頻頻譜配置(II)Configurationoffrequencyspectrum1、下行正線，咽喉區(qū)正向接車、發(fā)車進(jìn)路的載頻為1700-2。1.Thefrequencyofforwardreceivinganddepartureroutesinthedownthroatareaofthemaintrackis1700-2.為防止進(jìn)、出站處鋼軌絕緣破損，-1、-2載頻可與區(qū)間ZPW-2000軌道電路-1、-2載頻交錯。正線股道的載頻為1700-2。Topreventrailinsulationdamageattheentranceandexit,frequencies-1and-2canbestaggeredwithfrequencies-1and-2ofthesectionZPW-2000trackcircuit.Thefrequencyofthemaintrackis1700-2.2、上行正線，咽喉區(qū)正向接車、發(fā)車進(jìn)路的載頻為2000-2。2.Thefrequencyofforwardreceivinganddepartureroutesintheupthroatareaofthemaintrackis2000-2.為防止進(jìn)、出站處鋼軌絕緣破損，-1、-2載頻可與區(qū)間ZPW-2000軌道電路-1、-2載頻交錯。正線股道的載頻為2000-2。Topreventrailinsulationdamageattheentranceandexit,frequencies-1and-2canbestaggeredwithfrequencies-1and-2ofthesectionZPW-2000trackcircuit.Thefrequencyofthemaintrackis2000-2.3、側(cè)線股道3.Sidingtrack下行正方向，各股道按下行方向載頻2300-1Hz、1700-1Hz交錯排列。Forthedownpositivedirection,eachtrackisstaggeredaccordingtothefrequenciesof2300-1Hzand1700-1Hzinthedowndirection.上行正方向，各股道按上行方向載頻2600-1Hz、2000-1Hz交錯排列。Fortheuppositivedirection,eachtrackisstaggeredaccordingtothefrequenciesof2600-1Hzand2000-1Hzintheupdirection.一、機(jī)車信號載頻自動切換I.AutomaticSwitchingofLocomotiveSignalFrequencyLockingofLocomotiveSignalFrequency一、機(jī)車信號載頻自動切換I.AutomaticSwitchingofLocomotiveSignalFrequency（三）機(jī)車信號載頻的鎖頻(III)Lockingoflocomotivesignalfrequency當(dāng)機(jī)車信號車載設(shè)備接收到ZP碼-25.7Hz載頻切換信息后，自動將接收載頻范圍鎖定在該載頻上，對其它載頻不予接收，直到再次接收到新的25.7Hz信息。Whenthelocomotivesignalon-boardequipmentreceivesZPcode-25.7Hzfrequencyswitchinginformation,itwillautomaticallylockthereceivingfrequencyrangeonthisfrequencyandwillnotreceiveotherfrequenciesuntilreceivinganew25.7Hzmessageagain.(1)站內(nèi)正線股道的鎖頻(1)Frequencylockingofmaintrackinthestation(2)側(cè)線股道的鎖頻(2)Frequencylockingofsidingtrack(3)區(qū)間線路的鎖頻(3)FrequencylockingofsectionlineLockingofLocomotiveSignalFrequency一、機(jī)車信號載頻自動切換I.AutomaticSwitchingofLocomotiveSignalFrequency(1)站內(nèi)正線股道的鎖頻(1)Frequencylockingofmaintrackinthestation對于直進(jìn)直出的正線接、發(fā)車進(jìn)路沒有站內(nèi)股道鎖頻問題，不需發(fā)送切換載頻信息。Forstraight-inandstraight-outmaintrackreceivinganddepartureroutes,thereisnoproblemintrackfrequencylockinginthestation,soitisnotnecessarytosendfrequencyswitchinginformation.對于彎進(jìn)直出進(jìn)路往往是列車改變線路運(yùn)行，存在載頻選頻鎖頻問題，采用2系載頻+25.7Hz的方法，即壓入后先發(fā)2S的25.7Hz信息。Forcurvedstraight-inandstraight-outroutes,thetrainoftenchangestheoperationline,whichhastheproblemoffrequencyselectionandfrequencylocking.Themethodofsecondaryfrequency+25.7Hzisadopted,thatis,2Sfrequency25.7Hzinformationissentfirstafterpressing.LockingofLocomotiveSignalFrequency一、機(jī)車信號載頻自動切換I.AutomaticSwitchingofLocomotiveSignalFrequency(2)側(cè)線股道的鎖頻(2)Frequencylockingofsidingtrack向側(cè)線股道接車為彎進(jìn)進(jìn)路，存在載頻選頻鎖頻問題，需要發(fā)送切換載頻信息，采用1系載頻