Qhov qhib thiab kaw ntawm cov ntaub thaiv hluav taws xob ntse vam khom kev tig ntawm cov micro motors kom ua tiav. Qee cov tshuab hluav taws xob siv AC motors, tab sis nrog kev nce qib ntawm thev naus laus zis, micro DC motors tau siv dav rau ntau hom khoom siv hluav taws xob. Yog li, cov txiaj ntsig ntawm DC motors siv rau hauv cov ntaub thaiv hluav taws xob yog dab tsi? Cov txheej txheem tswj ceev yog dab tsi? Cov ntaub thaiv hluav taws xob siv micro DC motors nrog cov iav reducers, uas muaj qhov zoo ntawm torque siab thiab qis ceev, thiab tuaj yeem tsav ntau hom ntaub thaiv raws li qhov sib piv txo qis sib txawv. Cov micro DC motors feem ntau hauv cov ntaub thaiv hluav taws xob yog brushed motors thiab brushless motors. Cov txiaj ntsig tseem ceeb ntawm brushed DC motors suav nrog torque pib siab, kev ua haujlwm du, tus nqi qis, thiab kev tswj ceev yooj yim; brushless DC motors muaj qhov zoo ntawm lub neej ntev thiab suab nrov qis, tab sis lawv tus nqi siab dua, thiab kev tswj hwm nyuaj dua. Yog li ntawd, muaj ntau cov ntaub thaiv hluav taws xob hauv khw uas siv brushed motors.
Cov Txheej Txheem Tswj Ceev Sib Txawv rau Micro DC Motors hauv Cov Ntaub Thaiv Hluav Taws Xob
1. Thaum lub zog ntawm lub tshuab hluav taws xob DC raug kho los ntawm kev txo qhov hluav taws xob ntawm lub armature, lub voj voog armature xav tau lub zog DC uas tswj tau, thiab qhov tsis kam ntawm lub voj voog armature thiab lub voj voog excitation yuav tsum me me li sai tau. Thaum lub zog hluav taws xob raug txo, qhov ceev ntawm lub tshuab hluav taws xob DC kuj yuav txo qis.
2. Kev tswj ceev los ntawm kev tiv thaiv series hauv lub voj voog armature ntawm DC lub cev muaj zog, qhov loj dua qhov tsis kam series, qhov tsis muaj zog ntawm cov yam ntxwv kho tshuab, thiab qhov ceev tsis ruaj khov. Ntawm qhov ceev qis, vim yog qhov tsis kam series loj, ntau lub zog poob, thiab lub zog qis dua. Qhov ntau ntawm kev tswj ceev cuam tshuam los ntawm qhov hnyav, uas yog, cov khoom sib txawv ua rau muaj kev cuam tshuam sib txawv ntawm kev tswj ceev.
3. Kev tswj qhov ceev ntawm lub zog sib nqus tsis muaj zog, kom tiv thaiv lub voj voog sib nqus ntawm lub tshuab hluav taws xob DC kom tsis txhob muaj zog dhau, kev tswj qhov ceev yuav tsum siv lub zog sib nqus tsis muaj zog es tsis txhob siv lub zog sib nqus muaj zog. Lub zog hluav taws xob ntawm lub tshuab DC kom khaws cia rau ntawm tus nqi ntsuas, thiab qhov tsis kam ntawm cov koob hauv lub voj voog armature kom tsawg. Lub zog hluav taws xob thiab lub zog sib nqus raug txo los ntawm kev nce qhov tsis kam ntawm lub voj voog excitation Rf, yog li ua rau qhov ceev ntawm lub tshuab hluav taws xob DC kom nce thiab ua kom cov yam ntxwv kho tshuab mos. Thaum qhov ceev nce, yog tias lub zog thauj khoom tseem nyob ntawm tus nqi ntsuas, lub zog ntawm lub cev muaj zog yuav tshaj qhov zog ntsuas, ua rau lub cev muaj zog ua haujlwm ntau dhau, uas tsis raug tso cai. Yog li ntawd, thaum kho qhov ceev ntawm lub zog sib nqus tsis muaj zog, lub zog thauj khoom yuav txo qis raws li qhov nce ntawm qhov ceev ntawm lub cev muaj zog. Qhov no yog kev tswj qhov ceev ntawm lub zog tas li. Txhawm rau tiv thaiv lub rotor winding ntawm lub cev muaj zog kom tsis txhob raug rhuav tshem thiab puas tsuaj vim muaj zog centrifugal ntau dhau, yuav tsum tau ceev faj kom tsis txhob tshaj qhov txwv ntawm qhov ceev ntawm lub cev muaj zog DC thaum siv kev tswj qhov ceev ntawm lub zog sib nqus tsis muaj zog.
4. Hauv lub kaw lus tswj ceev ntawm lub tshuab hluav taws xob DC, txoj hauv kev yooj yim tshaj plaws los ua kom tiav qhov kev tswj ceev yog los ntawm kev hloov qhov tsis kam hauv lub voj voog armature. Txoj kev no yog qhov yooj yim tshaj plaws thiab muaj tus nqi qis tshaj plaws, thiab nws yog qhov siv tau zoo rau kev tswj ceev ntawm cov ntaub thaiv hluav taws xob.
Cov no yog cov yam ntxwv thiab cov txheej txheem tswj kev ceev ntawm DC motors siv rau hauv cov ntaub thaiv hluav taws xob.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2024