《航空工程技術(shù)英語》課件-Chapter 9 Fuel System +教學(xué)課件：Fire Detection

FireDetection航空工程技術(shù)英語AMEnglish/9-2目錄CONTENTSA320FireDetectionSystem01B737FireDetectionSysem02A320FireDetectionSystemPART01FireDetectionA320FireDetectionSystemTheA320has:firedetectionandextinguishingsystemsfortheenginesandAPUsmokedetectionintheavionicsbaysmokedetectionandfireextinguishingsystemsinthecargocompartmentsandlavatoriesportablefireextinguishersfortheflightcompartmentandthecabinextinguish滅火firedetection火警探測FireDetectionTheenginesandAPUhaveindividualfiredetectionsystems.Eachsystemconsistsoftwoidenticaldetectionloops(AandB)mountedinparallel.Eachengineisequippedwith2firebottles.ThedischargeofthebottlesiscontrolledbyassociatedswitcheswhicharelocatedontheFIREpanelontheoverheadpanel.FortheAPU,thereisjustonefireextinguisherbottleandonlyonedischargeswitch.ThereisanadditionalFIRElightfortheAPUandaguardedAPUSHUTOFFswitchlocatedontheexternalpowerpanel.ThereddiscisinstalledinthebottomskinofthefuselageandindicatesiftheAPUfireextinguishingbottleisserviceable.Fortheavionicssystemonlysmokedetectionisprovided.Lavatory

smokedetectionconsistsofonesmokedetectorineachlavatory.Inaddition,eachlavatoryhasanautomaticfireextinguishingsystem.（檢測，探測）環(huán)路滅火瓶（駕駛艙）頂板煙霧探測帶保護罩的開關(guān)機上衛(wèi)生間A320FireDetectionSystemFireDetectionAtotalofsixsmokedetectorsareinstalledinthecargocompartments.Therearetwodetectorsintheforwardcompartment,fourintheaftcompartment.Twosmokedetectorsareinstalledinacavityintheceilingcompartment.Twoguardedswitchescontrolonefirebottle.EachSWcontrolsonesquibordischargeheadofthebottle.Whenpushed,thefirebottleiscompletelyemptiedintherespectivecompartment.ThefireextinguishingisdischargedviaonenozzleintotheFWDcompartmentortwonozzlesintotheAFTcompartment.Thereareportablefireextinguishersinthecockpitandthecabin.Number,typeandlocationsdependonthedifferentcustomerlay-outs.爆炸A320FireDetectionSystemB737FireDetectionSystemPART02FireDetectionB737FireDetectionSystemThefiredetectionsystemsmonitorairplanecomponentsforoverheat,fireorsmokecondition.EngineandAPUfireandoverheatindicationoccursontheP8andP7panels.WingandbodyductoverheatwarningoccursontheP5andP7panels.Lavatorysmokedetectionindicationisanoptionalfeaturethatisavailable.IndicationcanoccuratthelavatorylocationandorontheP5panel.過熱FireDetectionEnginefireandoverheatdetectionisprovidedbydetectorelementslocatedaroundtheengine.TheengineandAPUfiredetectionaccessoryunitM279,locatedintheE/Ebaydeterminesifafireoroverheatconditionexists.WhendetectedindicationsoccurintheflightdeckanalarmbellisprovidedbytheauralwarningdevicesunitM315forafirecondition.Thetwoenginefireextinguisherbottlesarelocatedontheupperleftaftcornerofthemainwheelwellandaredischargedfromthedeck.附件，組件駕駛艙告警鈴聲音響警告裝置B737FireDetectionSystemFireDetectionTheAPUdetectorssensefireconditionsonly.MonitoringofthesensorsisaccomplishedbytheM279.IndicationsoccurontheP28panelinthewheelwellandalsointheflightdeck.TheAPUfirebottleislocatedbehindtheaftpressurebulkheadandisdischargedeitherfromtheflightdeckorP28panel.Wheelwellfiredetectionisprovidedbydetectorelementsmountedonthewheelwellceiling.ThedetectorsprovideinputtotheM237modulelocatedintheE/Ebay.IndicationsoccurontheP7andP8panelandanalarmbellisprovidedbytheM315module.傳感器B737FireDetectionSystemFireDetectionThewingandbodyoverheatdetectionsystemexitstomonitorthepneumaticsystemforleaks.Thedetectionsystemisdividedintoaleftandrightsystem.ThedetectorsprovideinputtotheM237module.OverheatindicationoccursontheP5andP7panels.Thelavatorysmokedetectorislocatedineachlavatory.Thedetectorwillprovideawarninghornandindicati