Taw qhia rau DC Motor
1. Cov qauv ntawm DC lub cev muaj zog
Lub cev muaj zog tus qauv yuav tsum muaj ob ntu: stator thiab rotor. Lub stator yog nyob ruaj ruaj thaum lub sijhawm ua haujlwm thiab tsim ib qho chaw sib nqus. Lub rotor yog rotating thaum lub sij hawm ua hauj lwm thiab generates electromagnetic torque thiab induced electromotive quab yuam. Nws yog lub hub ntawm lub zog hloov dua siab tshiab rau DC motors.
Lub brushless DC lub cev muaj zog feem ntau suav nrog lub rotor ua los ntawm cov khoom sib nqus mus tas li, lub stator nrog coil windings, thiab qhov chaw sensor.
Lub ntsiab rotor yog lub rotating ib feem ntawm lub cev lub cev muaj zog thiab generates lub excitation magnetic teb. Nws muaj peb ntu: cov hlau nplaum ruaj khov, cov hlau nplaum, thiab cov khoom txhawb nqa.
Cov hlau nplaum tas mus li thiab cov hlau nplaum yog qhov tseem ceeb ntawm kev tsim cov hlau nplaum thiab muaj cov khoom sib nqus ruaj khov thiab cov khoom siv hlau nplaum. Cov khoom siv hlau nplaum ruaj khov hauv qab no feem ntau siv hauv brushless DC motors: aluminium nickel cobalt, ferrite, neodymium hlau boron, thiab lub ntiaj teb tsis tshua muaj cobalt cov khoom sib nqus ruaj khov nrog cov khoom siv hluav taws xob sib nqus.
Cov khoom siv hlau nplaum feem ntau yog ua los ntawm silicon steel, hluav taws xob ntshiab hlau, lossis 1J50 Permalloy. Raws li pom hauv cov duab (a) thiab (b). Thawj cov qauv yog cov pobzeb-zoo li cov hlau nplaum yog muab tso rau ntawm sab nrauv ntawm lub rotor core, uas yog hu ua salient ncej hom; tus qauv thib ob yog tias cov hlau nplaum sib nqus tau muab tso rau hauv qhov zawj ntawm lub rotor core, uas yog hu ua hom embedded lossis zais ncej hom.
2. Txoj Cai Ua Haujlwm ntawm DC Tsav
Ua hauj lwm hauv paus ntsiab lus ntawm brushless DC lub cev muaj zog: Raws li qhia nyob rau hauv daim duab, lub DC fais fab mov muab lub hwj chim mus rau lub hloov Circuit Court (tsav tsheb). Tus tsav tsheb tswj lub transistor hloov nyob rau hauv tus neeg tsav tsheb raws li rotor polarity thiab ceev teeb liab pub rov qab los ntawm txoj hauj lwm sensor, thiab muab square yoj zog rau peb-theem winding ntawm lub cev muaj zog stator, yog li tsav lub rotor mus ua hauj lwm.
3. Cov yam ntxwv ntawm brushless DC lub cev muaj zog
Nws muaj qhov zoo ntawm cov tsoos DC motors, thiab tib lub sij hawm tshem tawm cov pa roj carbon txhuam thiab lub nplhaib ntiv nplhaib; me me, lub teeb yuag, loj tso zis, haum rau me me thiab nruab nrab lub zog motors;
Cov kev tswj yog qhov yooj yim, stepless ceev tswj, dav ceev tswj ntau yam, muaj zog tshaj lub peev xwm; kev ua haujlwm siab, kev ntseeg siab, kev kho yooj yim thiab txij nkawm, tus nqi qis, tsis tshua muaj suab nrov thiab kev co.
