Hauv lub neej txhua hnub, txhua yam khoom siv hauv tsev me me thiab cov khoom siv hluav taws xob yuav tsum tau siv los ntawm micro-motor DC motors.Cov neeg ceev faj yuav pom tias ntxiv rau AC motors, lwm tus yog micro-DC motors, thiab feem ntau cov khoom siv DC motors.Brushless micro DC motors, xws li tshuab kas fes, rab chais, tshuaj ntxuav lub ntsej muag, khoom siv zoo nkauj, thiab lwm yam, tsis tshua muaj siv hauv brushless micro motors.Vim li cas?
Peb paub tias lub cev muaj zog brushless muaj kev kub ceev, tsis tshua muaj suab nrov thiab lub neej ntev kev pab cuam, thaum lub cev muaj zog brushless me ntsis qis dua rau nws.Tab sis lub brushed micro DC lub cev muaj zog tuaj yeem khiav ntev npaum li nws txuas nrog DC lub zog, thiab kev tswj tau yooj yim heev.Nws tuaj yeem tswj tau los ntawm kev nce lossis txo qhov voltage.Lub brushless micro-DC lub cev muaj zog xav tau kev sib txuas ntxiv los ua haujlwm, thiab lub zog me me thaum khiav ntawm qhov nrawm.Yog hais tias lub torque yog yuav tsum tau, ib tug reducer yuav tsum tau ntxiv, uas yuav tsum tau kuj high-zoo khoom tsim mechanisms thiab nqi.
Brushless micro DC motorsFeem ntau xav tau peb Hall sensors ua haujlwm, vim tias peb lub tshuab hluav taws xob ntawm lub tshuab micro yog 120 °.Txhawm rau ntsuas peb txoj haujlwm ntawm cov rotor sib raug, peb lub Hall sensors xav tau.Lawv kuj yog kev sib nrig sib faib ntawm 120 °, nyob rau hauv cov xaim, ib tug rov qab Hall yuav tsum tau teem nyob rau hauv nruab nrab ntawm ob lub Halls, uas yuav txo tau cov hlau lead.Koj yuav tsum paub tias lub cev tsis muaj zog DC tsis muaj cov khoom siv txhuam.Txhuam thiab commutator yog hloov los ntawm Hall sensors.Yog li ntawd, nws yuav muaj kev ua haujlwm siab, tsis tshua muaj suab nrov, muaj kev ntseeg siab, kev hloov pauv ceev ceev thiab lub neej ua haujlwm ntev.Nta ntawm ultra-siab ceev.
Cias muab, nyob rau hauv kev txiav txim rau ibDC lub cev muaj zogTxhawm rau ua haujlwm, yuav tsum muaj lub kaum ntse ntse ntawm qhov sib nqus ntawm lub stator coil thiab cov hlau nplaum ntawm cov hlau nplaum ruaj khov ntawm lub rotor.Cov txheej txheem kev sib hloov ntawm lub rotor (uas yog, cov txheej txheem ntawm kev hloov cov kev taw qhia ntawm lub magnetic teb) yog ua kom ob lub magnetic teb muaj lub kaum sab xis.Tom qab ib qho kev kawm tiav, cov kev taw qhia ntawm cov magnetic teb ntawm stator coil yuav tsum tau hloov, thiab peb lub Halls tuaj yeem siv los paub txog kev hloov pauv ntawm stator magnetic field.Hauv lwm lo lus, peb Halls yog lub luag haujlwm ntawm kev qhia tus tswj xyuas thaum hloov tam sim no.
Yog li ntawd, feem ntau cov khoom siv hluav taws xob siv cov tshuab txhuam micro DC ntau dua.Txoj kev pib tswj ntawm brushless DC motors yog qhov nyuaj heev.Tshwj tsis yog tias nws yog cov khoom lag luam nrog cov kev xav tau siab, thiab cov tshuab txhuam micro tsis tuaj yeem paub, nws yuav raug siv.Brushless DC lub cev muaj zog.
Post lub sij hawm: Lub Xya hli ntuj-15-2021