【7A文】航空喷气式飞机CRJ-200防火和过热保护英文培训课件.ppt

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1、1FIREANDOVERHEATPROTECTION2PROTECTEDAREASCARGOBAYLAVATORYAPUENGINEWHEELWELLSBLEEDAIR3TYPESOFPROTECTION4Fire/OverheatDetectionsystemsEngineJetpipeandpylonsAPUMainLandingGearBleedAir4FireExtinguishingsystems-Engine-APU-Cargo-Lavatory2SmokeDetectionSystemsCargo

2、BayLavatory4FIRE/OVERHEATDETECTION…..HowitworksDetectionloopsContinuousLoopsorwiresarestrungthroughouttheprotectedarea.Wireschangeinresistancewhenheatisapplied.Whentheresistancereachesaspecifiedamount,awarningisissued.5PylonSensors6FixedCoreCowlSensors7EngineSe

3、nsors8JetPipeSensors9PylonSensorsJetPipeSensorsFixedCoreCowlSensorsEngineSensors10PylonSensorsJetPipeSensorsFixedCoreCowlSensorsEngineSensorsLOOPASENSORYCIRCUIT11PylonSensorsJetPipeSensorsFixedCoreCowlSensorsEngineSensorsLOOPBSENSORYCIRCUIT12PylonSensorsJetPipeS

4、ensorsFixedCoreCowlSensorsEngineSensorsLOOPA/BSENSORYCIRCUITDualDetectionLoopsThisguardsagainstfalsedetectionAircraftcanbebedispatchedwithoneoneloopinop.13FDCUFireDetectionControlUnitMonitorstheloopsComparestheresistanceofLoopAandBSendsaFIRE/OVHTsignaltotheEICAS

5、Discriminatesbetweenarealfireandafalsefire14ENGINEFIREINDICATIONSMASTERWARNINGSFIRELIGHTSEICASMESSAGEFIREBELL15EngineFireExtinguishers2FireBottles-locatedintheaftequipmentbay.TheBottlesarefilledwithHalonandNitrogen.2explosivesquibsareinstalledoneachbottle.Ifneed

6、ed,bothbottlescanbefiredintooneengine.16RTENGINEFIREINFLIGHTRTENGFIREMASTERCAUTIONFIREBELL17ENGINEFIREPROCEDURE1.MasterWarning—Push(silencesFireBell)FIREBELL18ENGINEFIREPROCEDURE2.ThrustLever—Idle19ENGINEFIREPROCEDURE3.ThrustLever—Shutoff20ENGINEFIREPROCEDURE4.

7、EngineFireSwitch--Push21WhathappenswhenyoupushaFireSwitch?RHENGFIREPUSHAPUFIREPUSHBOTTLEARMEDPUSHTODISCHBOTTLE2ARMEDPUSHTODISCH22WhathappenswhenyoupushaFireSwitch?RHENGFIREPUSHAPUFIREPUSHBOTTLEARMEDPUSHTODISCHBOTTLE2ARMEDPUSHTODISCHFIREBELL23Whathappenswhenyoupu

8、shaFireSwitch?RHENGFIREPUSHAPUFIREPUSHBOTTLEARMEDPUSHTODISCHBOTTLE2ARMEDPUSHTODISCHFIREBELL24WhathappenswhenyoupushaFireSwitch?ENGFIRESWITCH--PUSH--Bothfirebottlesqui