Kuyini ukugoba kwe-thermostat yemoto
Ukugoba kwe-thermostat yemoto kuyisimo lapho i-thermostat iguquguquka khona ngaphansi kwethonya lokukhula nokuncipha kokushisa. Ama-thermostat ngokuvamile enziwa ngamashidi ensimbi amancane. Uma eshiswa, ishidi lensimbi lizogoba ngokushisa. Lokhu kugoba kudluliselwa koxhumana nabo be-thermostat ngokuqhutshwa kokushisa, ngaleyo ndlela kukhiqize izinga lokushisa elizinzile .
Indlela i-thermostat esebenza ngayo
I-thermostat isebenzisa i-element yokushisa kagesi ukushisa ishidi lensimbi, okwenza lifudumale futhi ligobe. Lokhu kugoba kudluliselwa ngokuqhutshwa kokushisa ezingxoxweni ze-thermostat, okuholela ekuphumeni kokushisa okuzinzile. Lesi simo sokugoba ngaphansi kokushisa saziwa ngokuthi "umphumela wokushisa othize", okuwukwanda kwemvelo kanye nokufinyela kwezinto ngesikhathi sokushisa noma ukupholisa .
Uhlobo lwe-thermostat
Kunezinhlobo ezintathu eziyinhloko zama-thermostat ezimoto: ama-bellows, amashidi e-bimetal kanye ne-thermistor. Uhlobo ngalunye lwe-thermostat lunezimiso zalo zokusebenza ezithile kanye nezimo zokusetshenziswa:
Izimbongolo: Izinga lokushisa lilawulwa ukuguquka kwezimbongolo lapho izinga lokushisa lishintsha.
ishidi le-bimetallic : kusetshenziswa inhlanganisela yamashidi amabili ensimbi anama-coefficients ahlukene okwandisa ukushisa, isekethe ilawulwa ngokugoba lapho izinga lokushisa lishintsha.
I-thermistor: Inani lokumelana liyashintsha ngokushisa ukulawula ukuvulwa nokuvalwa kwesekethe.
Isimo sokusetshenziswa kwe-thermostat
I-thermostat isetshenziswa kabanzi ohlelweni lokupholisa umoya lwezimoto, umsebenzi oyinhloko ukuzwa izinga lokushisa lobuso be-evaporator, ukuze kulawulwe ukuvulwa nokuvalwa kwe-compressor. Lapho izinga lokushisa ngaphakathi emotweni lifinyelela inani elibekiwe kusengaphambili, i-thermostat izoqala i-compressor ukuqinisekisa ukuthi umoya ugeleza kahle ku-evaporator ukuze kugwenywe iqhwa; Lapho izinga lokushisa lehla, i-thermostat iyayicima i-compressor, igcine izinga lokushisa ngaphakathi emotweni lilinganisela .
Umsebenzi we-thermostat ukushintsha indlela yokujikeleza kwe-coolant. Izimoto eziningi zisebenzisa izinjini ezipholiswe ngamanzi, ezikhipha ukushisa ngokujikeleza okuqhubekayo kwe-coolant enjinini. I-coolant enjinini inezindlela ezimbili zokujikeleza, enye ingumjikelezo omkhulu kanti enye ingumjikelezo omncane.
Uma injini iqala nje, ukujikeleza kwe-coolant kuncane, futhi i-coolant ngeke ikhiphe ukushisa nge-radiator, okusiza ekufudumaleni okusheshayo kwenjini. Uma injini ifinyelela izinga lokushisa elijwayelekile lokusebenza, i-coolant izojikeleziswa futhi ichitheke nge-radiator. I-thermostat ingashintsha indlela yomjikelezo ngokuya ngezinga lokushisa le-coolant, ngaleyo ndlela ithuthukise ukusebenza kahle kwenjini.
Uma injini iqala, uma i-coolant ibilokhu ijikeleza, kuzoholela ekukhuphukeni kancane kancane kwezinga lokushisa lenjini, futhi amandla enjini azoba buthaka futhi ukusetshenziswa kukaphethiloli kuzoba phezulu. Futhi uhla oluncane lwe-coolant ejikelezayo lungathuthukisa izinga lokunyuka kwezinga lokushisa lenjini.
Uma i-thermostat yonakele, izinga lokushisa lamanzi enjini lingase libe phezulu kakhulu. Ngenxa yokuthi i-coolant ingase ihlale ijikeleza kancane futhi ingachithi ukushisa nge-radiator, izinga lokushisa lamanzi lizokhuphuka.
Ngamafuphi, indima ye-thermostat ukulawula indlela yokujikeleza kwe-coolant, ngaleyo ndlela kuthuthukiswe ukusebenza kahle kwenjini futhi kugwenywe amazinga okushisa aphezulu amanzi. Uma ubhekene nezinkinga zemoto, cabanga ngokuhlola ukuthi i-thermostat isebenza kahle yini.
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