Injini ye-DC engenamabhulashi(BLDC) iyimoto esebenza kahle kakhulu, enomsindo ophansi, ehlala isikhathi eside esetshenziswa kabanzi emikhakheni eyahlukahlukene, njengokuzenzakalela kwezimboni, amathuluzi kagesi, izimoto zikagesi, njll. Ukulawulwa kwesivinini kuwumsebenzi obalulekile wokulawulwa kwezimoto ze-DC ezingenamabhulashi. Izindlela eziningana ezivamile zokulawulwa kwesivinini sezimoto ze-DC ezingenamabhulashi zizokwethulwa ngezansi.
1. Ukulawulwa kwejubane le-voltage
Ukulawulwa kwejubane le-voltage kuyindlela elula kakhulu yokulawulwa kwejubane, elawula ijubane lemoto ngokushintsha i-voltage yokunikezwa kwamandla e-DC. Lapho i-voltage ikhuphuka, ijubane lemoto nalo lizokhuphuka; ngokuphambene nalokho, lapho i-voltage yehla, ijubane lemoto nalo lizokwehla. Le ndlela ilula futhi kulula ukuyisebenzisa, kodwa kuma-motor anamandla amakhulu, umphumela wokulawulwa kwejubane le-voltage awulungile, ngoba ukusebenza kahle kwemoto kuzoncipha njengoba i-voltage ikhuphuka.
2. Ukulawulwa kwesivinini se-PWM
Ukulawulwa kwejubane le-PWM (Pulse Width Modulation) kuyindlela evamile yokulawulwa kwejubane lemoto, elawula ijubane lemoto ngokushintsha umjikelezo womsebenzi wesignali ye-PWM. Lapho umjikelezo womsebenzi wesignali ye-PWM ukhuphuka, i-voltage ejwayelekile yemoto nayo izokhuphuka, ngaleyo ndlela ikhulise ijubane lemoto; ngokuphambene nalokho, lapho umjikelezo womsebenzi wesignali ye-PWM wehla, ijubane lemoto nalo lizokwehla. Le ndlela ingafinyelela ukulawulwa kwejubane okunembile futhi ifanele ama-motor e-DC angenamabhulashi anamandla ahlukahlukene.
3. Ukulawulwa kwesivinini sempendulo yenzwa
Ama-motor e-DC angenamabhulashi avame ukuhlonyiswa ngama-sensor e-Hall noma ama-encoder. Ngokuphendula kwe-sensor ngolwazi lwejubane lemoto kanye nendawo yayo, ukulawulwa kwejubane elivaliwe kungafinyelelwa. Ukulawulwa kwejubane elivaliwe kungathuthukisa ukuzinza kwejubane kanye nokunemba kwemoto, futhi kufanelekile ngezikhathi ezinezidingo zesivinini esiphezulu, njengemishini yemishini kanye nezinhlelo zokuzenzakalela.
4. Ukulawulwa kwesivinini sempendulo yamanje
Ukulawulwa kwesivinini sempendulo yamanje kuyindlela yokulawulwa kwesivinini esekelwe kumandla kagesi enjini, elawula isivinini senjini ngokuqapha amandla kagesi enjini. Lapho umthwalo wenjini ukhuphuka, amandla kagesi nawo azokhula. Ngalesi sikhathi, isivinini esizinzile senjini singagcinwa ngokwandisa i-voltage noma ukulungisa umjikelezo womsebenzi wesignali ye-PWM. Le ndlela ifanele izimo lapho umthwalo wenjini ushintsha kakhulu futhi ingafinyelela ukusebenza okungcono kwempendulo enamandla.
5. Ukubekwa kwensimu yamagnetic engenanzwa kanye nokulawulwa kwesivinini
Ukulawulwa kwesivinini sokuma kwensimu yamagnetic engenazinzwa ubuchwepheshe obuthuthukisiwe bokulawulwa kwesivinini obusebenzisa isilawuli se-elekthronikhi ngaphakathi kwemoto ukuqapha nokulawula insimu yamagnetic yemoto ngesikhathi sangempela ukuze kufezwe ukulawula okunembile kwesivinini semoto. Le ndlela ayidingi izinzwa zangaphandle, yenza lula isakhiwo semoto, ithuthukisa ukuthembeka nokuzinza, futhi ifanele izimo lapho ivolumu nesisindo semoto kuphezulu.
Ezisetshenzisweni ezisebenzayo, izindlela eziningi zokulawula isivinini zivame ukuhlanganiswa ukuze kufezwe ukulawulwa kwezimoto okunembe kakhudlwana nokuzinzile. Ngaphezu kwalokho, uhlelo lokulawula isivinini olufanele lungakhethwa ngokuya ngezicelo nezidingo ezithile. Ubuchwepheshe bokulawula isivinini bama-motor e-DC angenamabhulashi buhlala buthuthuka futhi buthuthuka. Esikhathini esizayo, izindlela ezintsha zokulawula isivinini zizobonakala zihlangabezana nezidingo zokulawulwa kwezimoto emikhakheni ehlukene.
Umlobi: uSharon
Isikhathi sokuthunyelwe: Ephreli-24-2024