Izinga lokushisa lezimoto nokukhuphuka kwezinga lokushisa

"Ukukhuphuka kwezinga lokushisa" kuyipharamitha ebalulekile yokulinganisa nokuhlola izinga lokushisa kwemoto, elilinganiswa ngaphansi kwesimo sebhalansi eshisayo yemoto ekulayisheni okulinganiselwe.Amakhasimende okugcina abona ikhwalithi yemoto. Umkhuba ojwayelekile ukuthinta injini ukuze ubone ukuthi izinga lokushisa lebhokisi linjani. Nakuba ingalungile, ngokuvamile ine-pulse ekukhuphukeni kwezinga lokushisa kwemoto.

 

Uma i-motor ihluleka, isici sokuqala esibaluleke kakhulu ukukhuphuka okungavamile kwezinga lokushisa "lokuzizwa": "ukukhuphuka kwezinga lokushisa" kuyanda ngokuzumayo noma kudlula izinga lokushisa elivamile lokusebenza.Ngalesi sikhathi, uma izinyathelo zingathathwa ngesikhathi, okungenani ukulahlekelwa okukhulu kwempahla kungagwenywa, futhi ngisho nenhlekelele ingagwenywa.

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Imotoukunyuka kwezinga lokushisa
Ukukhuphuka kwezinga lokushisa umehluko phakathi kwezinga lokushisa elisebenzayo lemoto kanye nezinga lokushisa le-ambient, elibangelwa ukushisa okukhiqizwa lapho injini isebenza.I-iron core yenjini esebenzayo izodala ukulahleka kwensimbi endaweni eshintshanayo kazibuthe, ukulahleka kwethusi kuzokwenzeka ngemuva kokuthi ukusongwa kunikwe amandla, nokunye ukulahleka okulahlekile, njll., kuzonyusa izinga lokushisa lemoto.
Lapho injini ishisa, iphinde ikhiphe ukushisa. Lapho isizukulwane sokushisa nokushisa kokushisa kuyalingana, isimo sokulinganisa sifinyelelwa, futhi izinga lokushisa alisakhuphuki futhi lizinzile ezingeni, yilokho esivame ukukubiza ngokuthi ukuzinza kwe-thermal.
Lapho isizukulwane sokushisa sikhula noma ukuncishiswa kokushisa kuncipha, ibhalansi izophulwa, izinga lokushisa lizoqhubeka likhuphuka, futhi umehluko wezinga lokushisa uzonwetshwa. Kumelwe sithathe izinyathelo zokukhipha ukushisa ukuze senze injini ifinyelele ibhalansi entsha futhi kwelinye izinga lokushisa eliphakeme.Kodwa-ke, umehluko wokushisa ngalesi sikhathi, okungukuthi, ukunyuka kwezinga lokushisa, kuye kwanda kunangaphambili, ngakho-ke ukuphakama kwezinga lokushisa kuyinkomba ebalulekile ekwakhiweni nasekusebenzeni kwemoto, okubonisa izinga lokukhiqiza ukushisa kwemoto. Ngesikhathi sokusebenza, uma izinga lokushisa likhuphuka ngokuzumayo, Ibonisa ukuthi i-motor inephutha, noma i-air duct ivaliwe noma umthwalo unzima kakhulu.

 

Ubudlelwano phakathi kokukhuphuka kwezinga lokushisa kanye nezinga lokushisa nezinye izici
Enjinini esebenza ngokujwayelekile, ngokwethiyori, izinga lokushisa layo likhuphuka ngaphansi komthwalo olinganiselwe akumele lihlanganise lutho nezinga lokushisa elizungezile, kodwa empeleni lisahlobene nezici ezifana nezinga lokushisa elizungezile nokuphakama.
Lapho izinga lokushisa lehla, ukusetshenziswa kwethusi kuzokwehla ngenxa yokuncipha kokuphikiswa kokuqina, ngakho-ke ukukhuphuka kwezinga lokushisa kwemoto evamile kuzokwehla kancane.
Ezinjinini ezizipholisa ngokwazo, izinga lokushisa lizokhuphuka ngo-1.5~3°C kukho konke ukukhuphuka okungu-10°C kwezinga lokushisa elizungezile.Lokhu kungenxa yokuthi ukulahlekelwa kwethusi elisongwayo kuyanda njengoba izinga lokushisa lomoya likhuphuka.Ngakho-ke, ukushintsha kwezinga lokushisa kunomthelela omkhulu kumamotho amakhulu namamotho avaliwe, futhi bobabili abaklami bezimoto nabasebenzisi kufanele baqaphele le nkinga.
Kukho konke ukwanda okungu-10% komswakamo womoya, ukukhuphuka kwezinga lokushisa kungancishiswa ngo-0.07~0.4°C ngenxa yokwenziwa ngcono kwe-thermal conductivity.Lapho umswakama womoya ukhula, enye inkinga iphakama, okungukuthi, inkinga yokumelana nomswakama lapho injini ingasebenzi. Ukuze kube nendawo efudumele, kufanele sithathe izinyathelo zokuvimbela ukuvunguza kwemoto ukuba manzi, futhi sikuklame futhi sikulondoloze ngokwendawo eshisayo eshisayo.
Lapho injini isebenza endaweni ephakeme kakhulu, ukuphakama kungu-1000m, futhi izinga lokushisa likhuphuka ngo-1% yenani elilinganiselwe layo njalo nge-100m ilitha.Le nkinga iyinkinga okufanele abaklami bayicabangele. Inani lokukhuphuka kwezinga lokushisa lohlobo lokuhlola alikwazi ukumela ngokugcwele isimo sangempela sokusebenza. Okusho ukuthi, kumotho endaweni yethafa, umkhawulo wenkomba kufanele ukhuliswe ngokufanelekile ngokuqoqwa kwedatha yangempela.
ukunyuka kwezinga lokushisa kanye nezinga lokushisa
Kubakhiqizi bezimoto, banaka kakhulu izinga lokushisa lemoto, kodwa kumakhasimende okugcina emoto, banake kakhulu izinga lokushisa lemoto; umkhiqizo omuhle wemoto kufanele ucabangele ukukhuphuka kwezinga lokushisa kanye nezinga lokushisa ngesikhathi esifanayo ukuze uqinisekise ukuthi izinkomba zokusebenza nempilo yemoto ihlangabezana nalokhu Okudingekayo.
Umehluko phakathi kwezinga lokushisa endaweni ethile kanye nereferensi (noma inkomba) izinga lokushisa libizwa ngokuthi ukukhuphuka kwezinga lokushisa.Kungase futhi kubizwe ngokuthi umehluko phakathi kwezinga lokushisa lephoyinti kanye nezinga lokushisa eliyinkomba.Umehluko phakathi kwezinga lokushisa lengxenye ethile yemoto kanye nendawo ezungezile ibizwa ngokuthi ukukhuphuka kwezinga lokushisa kwale ngxenye yemoto; ukunyuka kwezinga lokushisa kuyinani elihlobene.
Isigaba sokumelana nokushisa
Ngaphakathi kwebanga elivumelekile kanye nebanga layo, okungukuthi, izinga lokumelana nokushisa kwenjini.Uma lo mkhawulo weqiwa, impilo yezinto ezivikelayo izofinyezwa kakhulu, futhi izoshisa ngisho nokucisha.Lo mkhawulo wokushisa ubizwa ngokuthi izinga lokushisa elivumelekile le-insulating material.
Umkhawulo wezinga lokushisa lezimoto
Lapho injini igijima ngaphansi komthwalo olinganiselwe isikhathi eside futhi ifinyelela esimweni esizinzile ngokushisa okushisayo, umkhawulo ophezulu ovunyelwe wokunyuka kwezinga lokushisa wengxenye ngayinye yemoto ubizwa ngokuthi umkhawulo wokwenyuka kwezinga lokushisa.Izinga lokushisa elivumelekile le-insulating impahla yizinga lokushisa elivumelekile le-motor; impilo yezinto zokuvikela ngokuvamile ukuphila kwenjini.Kodwa-ke, ngokombono wenhloso, izinga lokushisa langempela lemoto linobudlelwane obuqondile nama-bearings, amafutha, njll. Ngakho-ke, lezi zici ezihlobene kufanele zicatshangelwe ngokugcwele.
Lapho i-motor isebenza ngaphansi komthwalo, kuyadingeka ukudlala indima yayo ngangokunokwenzeka, okungukuthi, amandla amakhulu okukhipha, okungcono (uma amandla omshini engacatshangwa).Kodwa lapho amandla okukhiphayo emakhulu, amandla ayancipha kakhulu, futhi izinga lokushisa lemoto likhuphuka.Siyazi ukuthi into ebuthakathaka kakhulu kumotho yizinto ezivikelayo, njengocingo olunamele.Kunomkhawulo wokumelana nokushisa kwezinto zokuvikela. Ngaphakathi kwalo mkhawulo, izakhiwo ezingokomzimba, zamakhemikhali, zemishini, zikagesi nezinye zezinto ezigqugquzelwayo zizinze kakhulu, futhi impilo yazo yokusebenza ngokuvamile iyiminyaka engaba ngu-20.
Isigaba se-insulation
Isigaba se-insulation sibonisa isigaba sokushisa esisebenzayo esiphezulu esivunyelwe sesakhiwo se-insulating, lapho izinga lokushisa injini ingagcina ukusebenza kwayo isikhathi esinqunyiwe sokusetshenziswa.
Isigaba se-insulation
Umkhawulo wokushisa wokusebenza wento efaka i-insulating ubhekisela ekushiseni kwendawo eshisa kakhulu ekufakweni okumazombezombe ngesikhathi sokusebenza kwenjini phakathi nesikhathi sokuphila somklamo.Ngokusho kokuhlangenwe nakho, ezimweni zangempela, izinga lokushisa le-ambient kanye nokwenyuka kwezinga lokushisa ngeke kufinyelele inani lokuklama isikhathi eside, ngakho-ke ubude bempilo obujwayelekile buyiminyaka eyi-15 kuye kwengama-20.Uma izinga lokushisa lokusebenza liseduze noma lidlula izinga lokushisa elisebenzayo lezinto ezibonakalayo isikhathi eside, ukuguga kwe-insulation kuzosheshisa futhi isikhathi sokuphila sizofinyezwa kakhulu.
Ngakho-ke, lapho injini isebenza, izinga lokushisa lokusebenza liyisici esiyinhloko nesibalulekile ekuphileni kwayo.Okusho ukuthi, ngenkathi unaka inkomba yokukhuphuka kwezinga lokushisa yemoto, izimo zokusebenza zangempela zemoto kufanele zicatshangelwe ngokugcwele, futhi umkhawulo owanele wokuklama kufanele ugcinwe ngokuvumelana nobukhulu bezimo zokusebenza.
Uhlelo lwe-insulation
Inhlangano ebanzi yokusetshenziswa kocingo lukazibuthe wemoto, impahla evalelayo kanye nesakhiwo sokufakwa kwe-insulating ihlobene eduze nemishini yenqubo yokukhiqiza kanye nemibhalo yeziqondiso zobuchwepheshe, futhi iwubuchwepheshe obuyimfihlo kakhulu befekthri.Ekuhlolweni kokuphepha kwezimoto, isistimu yokufaka ugesi ithathwa njengento esemqoka yokuhlola ebanzi.
Izakhiwo ze-insulation
Ukusebenza kwe-insulation kuyinkomba yokusebenza ebucayi kakhulu yenjini, ekhombisa ngokuphelele ukusebenza okuphephile kokusebenza kanye nokwakheka kanye nezinga lokukhiqiza lenjini.
Ekwakhiweni kwesikimu sezimoto, okucatshangelwayo okuyinhloko ukuthi hlobo luni lwesistimu yokufakwa ngaphakathi kwe-insulation okufanele isetshenziswe, ukuthi uhlelo lokufakelwa luhambisana nezinga lemishini yenqubo yefekthri, nokuthi lungaphambili noma ngemuva embonini.Kufanele kugcizelelwe ukuthi kubaluleke kakhulu ukwenza lokho ongakwenza. Uma kungenjalo, uma izinga lobuchwepheshe nemishini lingafinyelelwa, uzophishekela isikhundla esiholayo. Kungakhathaliseki ukuthi uhlelo lokufakelwa luthuthuke kangakanani, ngeke ukwazi ukwenza imoto esebenza ngokuthembekile.
Kufanele sizicabangele lezi zindaba
Ukuhambisana nokukhethwa kwentambo kazibuthe.Ukukhethwa kocingo lukazibuthe wemoto kufanele luhambisane nebanga lokufakwa kwenjini; kunjini elawula isivinini esishintshashintshayo, umthelela we-corona kumotho nawo kufanele ucatshangelwe.Okuhlangenwe nakho okungokoqobo kuqinisekisile ukuthi intambo yemoto kapende ewugqinsi ingamukela ngokusesilinganisweni imithelela ethile yezinga lokushisa lemoto nokukhuphuka kwezinga lokushisa, kodwa izinga lokumelana nokushisa kwentambo kazibuthe libaluleke kakhulu.Lena inkinga evamile ukuthi abaklami abaningi bathambekele ekukhohliseni.
Ukukhethwa kwezinto ezihlanganisiwe kufanele kulawulwe ngokuqinile.Ngesikhathi kuhlolwa imboni yezimoto, kwatholakala ukuthi ngenxa yokushoda kwezinto, abasebenzi abakhiqizayo bazofaka izinto eziphansi kunezidingo zemidwebo.
imiphumela ohlelweni lokuthwala.Izinga lokushisa lemoto liyinani elihlobene, kodwa izinga lokushisa lemoto liyinani eliphelele. Uma izinga lokushisa lemoto liphezulu, izinga lokushisa elidluliselwa ngokuqondile ku-bearing ngokusebenzisa shaft lizoba phezulu. Uma kuwumgomo ojwayelekile, ukuthwala kuzohluleka kalula. Ngokulahlekelwa nokwehluleka kwamafutha, i-motor ijwayele ukuthwala izinkinga zesistimu, okuholela ngokuqondile ekuhlulekeni kwezimoto, noma ngisho nokuphenduka okubulalayo noma ukugcwala ngokweqile.

Izimo zokusebenza zenjini.Kuyinkinga okufanele icatshangelwe ekuqaleni kokwakhiwa kwezimoto. Izinga lokushisa elisebenzayo lemoto libalwa ngokuya ngendawo yokushisa ephezulu. Enjinini endaweni yethafa, ukukhuphuka kwangempela kwezinga lokushisa kwemoto kuphezulu kunokwenyuka kwezinga lokushisa lokuhlola.


Isikhathi sokuthumela: Jul-11-2022