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1、汽车空调的学习、拆装、故障分析与检修(一)(Study,disassemblyandassembly,faultanalysisandmaintenanceofautomobileairconditioning(Partone))Study,disassemblyandassembly,faultanalysisandmaintenanceofautomobileairconditioning(Partone)(theoriginalauthor)Note:Iamakeynationalinstituteofautomobileengineers
2、alittleteacher,wewilltakeoutsomepersonallearning,teachingandlearningexperienceandtosharewithyou,hopetohelpsomeofthecar,andthecarofthepeople,theyalsohopetomasterPaizhuanmercy!Thanks!!Automobileair-conditioningOrganizationteaching1,countthenumberofpeople,checkwhethertheworkclot
3、hesmeettherequirements.2.Reviewtheoldlessons,tellthenewlesson,assignthetask,andfinishtheprojectMaincontentandpurpose:Thebasictheoryandknowledgeofautomotiveairconditioningsystem;masterthestructureandworkingprincipleofautomotiveairconditioningsystem;understandtheheatingandgasdi
4、stributionsystemofautomotiveairconditioning;mastercontrolcomponentsandcontrolcircuitofautomobileairconditioningsystem;Masterofautomotiveairconditioningsystem,exhaustsystem,airpressuretestleak,vacuumpumpingandrefrigerant;commonfaultfamiliarwiththediagnosticmethodofautomobileai
5、rconditioningsystem.TellanewlessonI.compositionofautomobileairconditioning1.refrigerationsystemAtpresent,almostalltherefrigerationmethodsusedinautomobilesaresteamcompressiontype.Therefrigeratingsystemiscomposedofacompressor,acondenser,aliquidstoragedryer(oraliquidcollectingdr
6、ier)andanexpansionvalve(oraholepipe),Evaporator,blower,airinletandcoolingpipe2.heatingsystemHeatingsystemisalsocalledheatingsystem.Theheatingdeviceofautomobileairconditioningisdividedintotwotypesaccordingtoheatsources:wasteheattypeandindependenttype.Thewasteheattypeheatinguse
7、sthesurplusheatproducedbytheautomobileenginewhenitisworking,andisdividedintothewaterheatingtypeandtheairwarmtype.3.distributionventilationsystemThefreshairissuckedintothecompartmenttoachievethepurposeofchangingtheairinsidethecar,andatthesametime,itcansendcoldair,hotairorfresh
8、airtothehead,footandleftandrightoftheoccupant,aswellasairsupply,defr