Cov khoom peb yuav tham hauv tshooj no yog:
Ceev raug / smoothness / lub neej thiab kev tuav pov hwm / plua plav tiam / efficiency / tshav kub / vibration thiab suab nrov / exhaust countermeasures / siv ib puag ncig
1. Gyrostability thiab raug
Thaum lub cev muaj zog tau tsav ntawm qhov ceev tsis tu ncua, nws yuav tuav ib qho kev sib tw ceev raws li inertia ntawm kev kub ceev, tab sis nws yuav txawv raws li cov tub ntxhais cov duab ntawm lub cev muaj zog ntawm qhov ceev.
Rau slotted brushless motors, qhov attraction ntawm cov hniav slotted thiab cov hlau nplaum rotor yuav pulsate ntawm tsawg speeds.Txawm li cas los xij, nyob rau hauv cov ntaub ntawv ntawm peb brushless slotless lub cev muaj zog, txij li qhov kev ncua deb ntawm lub stator core thiab cov hlau nplaum yog tas li nyob rau hauv lub ncig (lub ntsiab lus hais tias lub magnetoresistance yog tas li nyob rau hauv lub circumference), nws yog tsis zoo li yuav tsim ripples txawm nyob rau hauv tsawg voltages.Ceev.
2. Lub neej, kev ruaj ntseg thiab plua plav tiam
Qhov tseem ceeb tshaj plaws thaum sib piv cov txhuam txhuam thiab txhuam tsis txhuam yog lub neej, kev ruaj ntseg thiab plua plav tiam.Vim hais tias tus txhuam thiab commutator sib cuag ib leeg thaum txhuam lub cev muaj zog tig, qhov sib tiv tauj yuav inevitably hnav tawm vim kev sib txhuam.
Yog li ntawd, tag nrho lub cev muaj zog yuav tsum tau hloov, thiab cov plua plav vim hnav cov khib nyiab ua teeb meem.Raws li lub npe qhia, brushless motors tsis muaj txhuam, yog li lawv muaj lub neej zoo dua, kev ruaj ntseg, thiab tsim cov plua plav tsawg dua li txhuam cov motors.
3. Kev vibration thiab suab nrov
Brushed motors tsim kev co thiab suab nrov vim kev sib txhuam ntawm cov txhuam thiab cov commutator, thaum brushless motors tsis.Slotted brushless motors tsim kev co thiab suab nrov vim qhov torque, tab sis slotted motors thiab hollow khob motors tsis.
Lub xeev uas lub axis ntawm kev sib hloov ntawm lub rotor deviates los ntawm qhov chaw ntawm lub ntiajteb txawj nqus yog hu ua unbalance.Thaum lub rotor tsis sib npaug, kev vibration thiab suab nrov yog tsim, thiab lawv nce nrog qhov nce ntawm lub cev muaj zog.
4. Efficiency thiab cua sov tsim
Qhov piv ntawm cov khoom siv hluav taws xob tso tawm rau lub zog hluav taws xob input yog qhov ua tau zoo ntawm lub cev muaj zog.Feem ntau ntawm cov kev poob uas tsis ua txhua yam zog ua thermal zog, uas yuav ua rau lub cev muaj zog.Motor losses muaj xws li:
(1).Copper poob (lub zog poob vim winding tsis kam)
(2).Hlau poob (stator core hysteresis poob, eddy tam sim no poob)
(3) Mechanical poob (poob los ntawm kev sib txhuam tsis kam ntawm bearings thiab txhuam, thiab poob los ntawm huab cua tsis kam: cua tsis kam)
Kev poob tooj liab tuaj yeem raug txo los ntawm thickening cov hlau enamelled kom txo tau qhov winding tsis kam.Txawm li cas los xij, yog tias cov hlau enamelled yog ua kom tuab, cov windings yuav nyuaj rau nruab rau hauv lub cev muaj zog.Yog li ntawd, nws yog ib qho tsim nyog los tsim cov qauv winding tsim nyog rau lub cev muaj zog los ntawm kev nce lub luag haujlwm ntawm lub voj voog (qhov piv ntawm tus neeg xyuas pib mus rau qhov chaw hla ntawm qhov winding).
Yog tias qhov zaus ntawm qhov sib nqus sib nqus ntau dua, cov hlau poob yuav nce ntxiv, uas txhais tau hais tias lub tshuab hluav taws xob nrog kev sib hloov ceev dua yuav ua kom muaj cua sov ntau vim qhov poob ntawm cov hlau.Hauv kev poob hlau, eddy tam sim no poob tuaj yeem raug txo los ntawm thinning lub laminated steel phaj.
Hais txog kev poob txhua yam, brushed motors ib txwm muaj kev poob vim qhov kev sib txhuam ntawm cov txhuam thiab cov commutator, thaum brushless motors tsis ua.Nyob rau hauv cov nqe lus ntawm bearings, kev sib txhuam coefficient ntawm pob bearings yog qis dua li ntawm cov kabmob dawb, uas txhim kho kev ua haujlwm ntawm lub cev muaj zog.Peb cov motors siv pob bearings.
Qhov teeb meem nrog cov cua sov yog tias txawm tias daim ntawv thov tsis muaj kev txwv ntawm lub tshav kub nws tus kheej, cov cua sov tsim los ntawm lub cev muaj zog yuav txo nws txoj kev ua haujlwm.
Thaum lub winding tau kub, qhov tsis kam (impedance) nce thiab nws nyuaj rau qhov tam sim no ntws, ua rau txo qis hauv torque.Ntxiv mus, thaum lub cev muaj zog kub, lub zog sib nqus ntawm cov hlau nplaum yuav raug txo los ntawm thermal demagnetization.Yog li ntawd, tiam ntawm tshav kub tsis tuaj yeem ignored.
Vim tias cov hlau nplaum samarium-cobalt muaj cov thermal demagnetization me dua li cov hlau nplaum neodymium vim yog cua sov, samarium-cobalt hlau nplaum raug xaiv nyob rau hauv cov ntawv thov uas lub cev muaj zog kub siab dua.
Post lub sij hawm: Lub Xya hli ntuj-21-2023