汽车空调的基础知识Basic knowledge of automotive air conditioning.docx
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汽车空调的基础知识Basic knowledge of automotive air conditioning.docx
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汽车空调的基础知识Basicknowledgeofautomotiveairconditioning
汽车空调的基础知识(Basicknowledgeofautomotiveairconditioning)
Basicknowledgeofautomotiveairconditioning
1whatisairconditioning?
Whatarethefunctionalsystemsofanairconditioner?
One
2whatkindsofairconditionersarethere?
Whatkindofairconditioningdoesthecarbelongto?
Two
3,howtodistinguishthetwotypesofair-conditioningrefrigerationsystem?
Two
4whatpartsdoesarefrigerationsystemconsistof?
3
5howdoesarefrigerationsystemwork?
4
6whatisevaporativecooling?
Whatdoesthemagnitudeofthecoolingcapacitymean?
Five
7whatisevaporationrefrigerationcycle?
Howtoachievethecycleofrefrigerantuse?
Six
8whatarethefourprocessesandcomponentsofanevaporativecoolingcycle?
Seven
9whattypesofrefrigerantsareclassified?
Howtoidentifybynumber?
Nine
10whichrefrigerantsareearlyadoptedintherefrigerationindustry?
Ten
11Whatarethechemicalelementsresponsibleforthedestructionoftheatmosphericozonelayer?
failuremechanism
Whatisit?
Ten
12whataretheindexestomeasurethequalityofautomobileairconditioning?
Eleven
13Howaretherefrigeratingcapacityandthecoolingloaddefinedbyanautomotiveairconditioner?
12
14Whataretheperformanceindexesoffrozenlubricants?
Thirteen
15whatismeantbyautomaticairconditioning?
Fourteen
Two、automobileairconditioningrefrigerationdeviceandsystem
16whatarethecharacteristicsofautomotiveairconditioningcompressors?
Fifteen
17Howaboutthestructureandworkingprincipleofthecompressorelectromagneticclutch?
16
18airconditioningcompressorcannotstart,howshouldIdo?
17
19howtocheckthecompressoranditselectromagneticclutch,electromagneticclutchfaultisthemain
Whatarethey?
Eighteen
20whatisthestructureofthecondenserandhowdoesitwork?
21
21howaboutthestructureandworkingprincipleoftheevaporatingpressureregulatingvalve?
Twenty-two
22howtocheckthecondenser,theinputdryerandtheevaporatoroftheairconditioningrefrigerationsystem?
23
23,poorcoolingcondenserhowtodo?
Twenty-four
24,evaporatorfanonlyoneblock,howtodo?
Twenty-four
25,evaporatorfanbyslowwindfast,windtimeintervalistooshort,howtodo?
Twenty-four
26,evaporatororcondensercoretubeinternaldirtyblockhowtodo?
Howtopreventdustanddirt?
DebrisgoesintotheevaporatorairductTwenty-five
27howabouttheicingoftheevaporator?
Twenty-five
28thecondenserfanattheheadisswitchedonbyrefrigeranttemperaturedifferencevalveorwatertemperaturedifferenceswitch
Valvefailureandlongtimenottoturn,howtodo?
Twenty-six
29condenserfannottoturn,howtodo?
Twenty-six
30whatistheexpansionvalve?
Howaboutitsstructureandprinciple?
27
31Whatarethecommonfaultsofexpansionvalves?
HowdoIcheckandrepairtheexpansionvalve?
28
32airconditioningsystemexpansionvalvethroughsmallorfailure,howtodo?
Thirty-one
33howtoeliminatetheexpansionvalvefailureofairconditioningsystem?
31
34,howtoexcludeairconditioningsystemexpansionvalvedirtyplugandbadpluggingfault?
31
35howtoeliminatetheicejamfaultoftheexpansionvalveoftheairconditioningsystem?
32
36whatisthefunctionofthepressureswitch?
Howaboutitsstructureandworkingprinciple?
33
37compressorwhatarethecommonfaults?
Thirty-four
38airconditioningcompressorworktoomuchvibration,howtodo?
Thirty-four
39compressorstuckreason?
Thirty-five
40compressorleakageproblem?
Thirty-five
41compressornorefrigerantoutputorpoorcompressionreasons?
Thirty-six
42compressorabnormalsound36
43compressoronthecardiagnosis36
44maintenanceofcondenser37
45themaintenanceoftheevaporator37
46howtoselectexpansionvalveforairconditioningsystem?
Thirty-eight
47howtoinstalltheexpansionvalveoftheair-conditioningsystemcorrectly?
Thirty-eight
48,howtodetecttheexpansionvalveofair-conditioningsystemfailure?
Thirty-nine
49howtoadjusttheopeningandflowrateoftheexpansionvalveoftheairconditioningsystem?
Forty
50howtodistinguishtheexpansionvalveicepluganddirtyblockfault?
Forty
51expansionvalveoverhaul40
52howtoeliminatetheexpansionofairconditioningsystem,thevalveisopenedorthetemperatureisnotinstalledproperly
Malfunction?
Forty-one
53maintenanceofliquidstoragedryer42
54whathappensiftheliquidstorageanddryingfilterisblocked?
Forty-three
55howtoexcludeliquidstorage,drying,filter,desiccant,moistureabsorption,saturationfailure?
Forty-three
56howtorepairtheleakpointofevaporatorandcondenser?
Forty-four
57howtomaintainthecondenser?
Forty-four
58howtocorrectlyinstalltheairconditioningsystem,liquidstorage,dryingfilter?
Forty-five
Three、maintenanceandtroubleshootingofautomobileairconditioner
59themaincontentofairconditioningroutinemaintenance46
60checkandmaintainairconditioningsystemaftercaraccident46
61howtoadjustthehandleandswitchoftheairconditioningcontrolpanel?
Forty-seven
62whatshouldbepaidattentiontowhendisassemblingandinstallingrefrigerationsystem?
Forty-eight
63howcanIremovetheevaporator?
49
64howtoremovecondenser?
Fifty-one
65,howtocorrectlymaintaintheair-conditioningsysteminsummer?
Fifty-one
66howtodiagnosethemalfunctionofautomobileairconditioningsystem?
Fifty-two
67whatshouldbepaidattentiontowhentherefrigerationsystemisbeingrepairedorrepaired?
Fifty-four
68whatarethecomponentsandfunctionsoftheidleliftingdevice?
Fifty-four
Howdoesthe69airconditioningamplifierwork?
Fifty-four
70whatproblemsshouldbepaidattentiontointheuseofautomotiveairconditioningsystem?
Fifty-six
71howcantheenginespeedbeadjustedwhendrivingtherefrigerationsystem?
Fifty-seven
72airconditioningsystemcoolingcapacityshortagewhatarethereasons?
Fifty-eight
73airconditioningsystemoutofthewinddirectioniswrong,howtodo?
Fifty-nine
74airconditioningsystemhaspeculiarsmell,howtodealwith?
Fifty-nine
75whatarethecommonfaultsinairconditioningsystems?
Fifty-nine
76,howtocorrectlyrepairandusethenewrefrigerantR134aair-conditioningrefrigerationsystem?
Sixty
77,howtousethehandtodeterminetheair-conditioningrefrigerationsystemconditionsarenormal?
Sixty
78howcantheamplifieroftherefrigerationsystembeassembledanddisassembled?
Sixty-one
79howcanthestoragetankoftherefrigerationsystembeassembledanddisassembled?
Sixty-one
80whatisthecheckingandadjustmentofthesettingspeedoftheamplifierintherefrigerationsystem?
Sixty-two
81whatkindoftoolsareusedtoleaktherefrigerationsystem?
Whataretheleakdetectionmethods?
Sixty-two
82howtouserefrigerantcarrefrigeranttoairconditioningrefrigerationsystem?
Sixty-four
83howtoconductageneralinspectionoftherefrigerationsystem?
Sixty-six
84Whatisthemethodofcheckingthepressureoftherefrigerationsystem?
Sixty-seven
85howmuchenginepowerdoesthecarairconditioningrefrigerationsystemconsume?
Auto
Whatmeasuresshouldbetakenwhenthereservepowerisinsufficient?
Sixty-seven
86howtodeterminethereasonablerefrigerantchargefromtherefrigerationsystem?
Sixty-eight
87,afterturningontheairconditioner,sometimestheenginespeeddropsrapidlyandtheidlespeedisunstable
What'sthereason?
Sixty-nine
88beforefillingrefrigerant,whatistheprocessingrequirementsoftherefrigerationsystem?
Sixty-nine
Shouldthe89refrigerantbechargedfromthehighside,orfromthelowside,orfromthesides?
Simultaneouscharge?
Isthe"liquidcharge"reasonable,or"Qicharge"reasonable?
Seventy
90whatisthefunctionofthelowvoltageswitch,highvoltageswitchand1DEGswitchintherefrigerationsystem?
Seventy-one
91whyisiteasytoleakrefrigerantintheairconditioningrefrigerationsystem?
Howcanitbereduced?
Leakage?
Seventy-two
92whenrefrigerantisinsufficient,whatistheproblem?
Whatshouldbedone?
Seventy-two
93whathappenswhenthereistoomuchrefrigerant?
Whatshouldbedone?
Seventy-three
94,aftertheair-conditioning,turningorbrakinginthecarwhenthenoise,howtodo?
Seventy-four
95whatisthephenomenonofmixingairintotherefrigerationsystem?
HowshouldIruleout?
Seventy-five
96,therefrigerationsystem"icejam"phenomenon,howtodealwith?
Seventy-six
97howtojudgeandeliminatethe"dirtyblock"phenomenonintherefrigerationsystem?
Seventy-six
98temperaturesensorfailure,howshouldbeexcluded?
Seventy-eight
99whatarethecontentsofthedailymaintenanceoftheautomotiveairconditioningsystem?
Seventy-eight
100whatarethestructuresandfunctionsofmanifoldpressuregaugesforoverhaulofautomotiveairconditioningsystems?
Seventy-nine
101howistheworkpressureoftherefrigerationsystemdetected?
Eighty-one
102,airconditioningrefrigerationsystemintermittentrefrigerationhowtodo?
Eighty-one
103,airconditioningrefrigerationsystemhasmoisture,howtodo?
Eighty-two
104,airconditioningrefrigerationsystemcoolingspeedslowhowtodo?
Eighty-two
105,airconditioningrefrigerationsystemonlyathighspeedbeforerefrigeration,howtodo?
Eighty-three
106howtodiagnoseandeliminatetheabnormalsoundintheairconditioningsystem?
Eighty-three
107howtoremoveairconditioningandrefrigerationsystemduringoverhaul?
Eighty-four
108howtoinstallairconditioningrefrigerationsystemafteroverhaul?
Eighty-five
109,howtochooseautomotiveair-conditioningrefrigerationlubricants?
Eighty-seven
110howtodetectandrepl
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