ZPW2000A軌道電路鐵路信號(hào)基礎(chǔ)設(shè)備維護(hù)73課件

ZPW-2000A軌道電路天津鐵道職業(yè)技術(shù)學(xué)院鐵路信號(hào)基礎(chǔ)設(shè)備維護(hù)課程ZPW-2000AtrackcircuitTianjinRailwayvocationalandtechnicalcollegeMaintenanceofbasicrailwaysignalequipment發(fā)送器2.作用3.工作原理4.外線連接5.冗余結(jié)構(gòu)6.電平調(diào)整1.型號(hào)transmitter2.function3.Workingfundamental4.connection5.redundancy6.Leveladjustment1.type

發(fā)送器為帶NS1底座的6M插座型盒體，內(nèi)部由數(shù)字板、功放板兩塊電路板構(gòu)成，外部裝有黑色網(wǎng)罩及鎖閉桿。發(fā)送器型號(hào)ZPW.F，外形尺寸：220mm×100mm×383mm。1.發(fā)送器型號(hào)

Thetransmitteradopts6MsocketboxbodywithNS1socket,andtheinterioriscomposedoftwocircuitboards,digitalboardandpoweramplifierboard.Theoutsideisequippedwiththeblacknetcoverandthelockingrod.Model:ZPW·F,Shape:

220mm×100mm×383mm1.Model

1.用來產(chǎn)生高精度、高穩(wěn)定性的移頻信號(hào)。有18種低頻,8種載頻頻率。2.產(chǎn)生足夠功率的輸出信號(hào),額定輸出功率70W(400歐負(fù)載),最大輸出功率105W。3.調(diào)整軌道電路,可根據(jù)軌道電路的具體情況,通過輸出端子的不同連接,獲得10種不同的發(fā)送電平。4.對(duì)移頻信號(hào)進(jìn)行自檢測(cè)

,故障時(shí)給出報(bào)警及n十1冗余運(yùn)用的轉(zhuǎn)換條件。2.發(fā)送器作用

1.thetransmitteristogenerateahigh-precision,high-stabilityfrequencyshiftsignalformedby18low-frequencysignalsand8carrierfrequency(up-lineanddown-line)information;2.togenerateanoutputsignalofsufficientpower,ratedoutputpoweris70W,themaximumis105W.3.toadjustthetrackcircuit;toself-detectthecharacteristicsofthefrequencyshiftsignal;4.toalarmautomaticallyincaseoffailureandtogivetheconversionconditionsofthe"N+1"redundantstructuresothatthestandbytransmittercanbeputintooperationautomatically.2.function載頻編碼條件低頻編碼條件CPU1CPU2移頻發(fā)生器控制與門濾波功放頻率檢測(cè)頻率檢測(cè)控制輸出控制輸出功出檢測(cè)功出檢測(cè)安全與門FBJFBJ至軌道至n+1發(fā)送24V3.發(fā)送器工作原理3.

Workingfundamental4.外線連接發(fā)送報(bào)警電源低頻編碼端子電平調(diào)整端子發(fā)送功出載頻編碼端子4.connection

alarmrelayrerminalspowersupply

terminalslowfrequencycodedterminals,leveladjustmentterminalstransmissionpoweroutput

terminalscarrierfrequencycodingterminals發(fā)送器采用“N+1”冗余方式，“+1”發(fā)送器為熱機(jī)備用發(fā)送器。當(dāng)任意一臺(tái)主用發(fā)送器故障時(shí)，發(fā)送報(bào)警繼電器（FBJ）落下，由FBJ接點(diǎn)轉(zhuǎn)換至＋1FS，實(shí)現(xiàn)系統(tǒng)冗余。

正常時(shí)：FBJ↑，主用發(fā)送器工作

故障時(shí)：FBJ↓，自動(dòng)轉(zhuǎn)“＋1”發(fā)送器工作5.冗余結(jié)構(gòu)Thetransmitteradopts"N+1"redundancyand"+1"ishotstandby.Whenanymain

transmitterfails,the

transmitting

alarmrelay(FBJ)isde-energized,

through

FBJcontactsswitchto+1FS,toachieve

systemredundancy.

Normally:

FBJ↑,themain

transmitterworksWhenfailed:FBJ↓,switch

to"+1"transmitterautomatically5.Redundancy正常時(shí)：FBJ↑，主用發(fā)送器工作

故障時(shí)：FBJ↓，自動(dòng)轉(zhuǎn)“＋1”發(fā)送器工作5.冗余結(jié)構(gòu)主發(fā)送器備發(fā)送器FBJ

Normally:

FBJ↑,themain

transmitterworksWhenfailed:FBJ↓,switch

to"+1"transmitterautomatically5.Redundancymain

transmitterStandbytransmitterFBJ發(fā)送電平輸出端子連接電壓(S1、S2)V1211191292146～154393126～137494103～11259573～8064160～6775354～6084244～4893137～41105433～366.電平調(diào)整levelconnectionVoltage(S1、S2)V1211191292146～154393126～137494103～11259573～8064160～6775354～6084244～4893137～41105433～366.Leveladjustment

小結(jié)作用工作原理外線連接電平調(diào)整思考題：

如果某軌道電路所需電平為5級(jí)，該如何調(diào)