Imoto ebrashiweyo ikwabizwa ngokuba yiDC motor okanye carbon brush motor.Imoto ye-DC idla ngokubizwa ngokuba yi-brushed DC motor.Yamkela ukuguqulwa komatshini, i-pole yangaphandle yamagnetic ayishukumi kwaye i-coil yangaphakathi (i-armature) ihamba, kwaye i-commutator kunye ne-rotor coil ijikeleza kunye., iibrashi kunye neemagnethi azishukumi, ngoko ke i-commutator kunye neebhulashi zixutywe kwaye zixutywe ukugqiba ukutshintshela ulwalathiso lwangoku.
Ukungalunganga kweenjini ezibrashwayo:
1. Iintlantsi eziveliswa kukutshintsha komatshini zibangela ukungqubana phakathi kwe-commutator kunye nebrashi, ukuphazamiseka kwe-electromagnetic, ingxolo ephezulu kunye nobomi obufutshane.
2. Ukuthembeka okubi kunye nokungaphumeleli okuninzi, kufuna ukugcinwa rhoqo.
3. Ngenxa yobukho be-commutator, inertia ye-rotor ilinganiselwe, isantya esiphezulu sinqunyelwe, kwaye ukusebenza okuguquguqukayo kuchaphazelekayo.
Ekubeni ineziphene ezininzi, kutheni isasetyenziswa ngokubanzi, kuba ine-torque ephezulu, isakhiwo esilula, ukugcinwa lula (okt, i-carbon brush replacement), kunye nexabiso eliphantsi.
I-Brushless motor ikwabizwa ngokuba yi-DC variable frequency motor (BLDC) kwezinye iindawo.Yamkela i-electronic commutation (i-Hall sensor), kunye nekhoyili (i-armature) ayishukumisi i-pole magnetic.Ngeli xesha, umazibuthe osisigxina unokuba ngaphandle kwekhoyili okanye ngaphakathi kwikhoyili., ngoko kukho umahluko phakathi kwe-rotor yangaphandle ye-brushless motor kunye ne-rotor yangaphakathi ye-brushless motor.
Ulwakhiwo lwe-brushless motor luyafana nemagnethi esisigxina ye-synchronous motor.
Nangona kunjalo, i-motor enye ye-brushless ayiyona inkqubo yamandla epheleleyo, kwaye i-brushless ngokusisiseko kufuneka ilawulwe ngumlawuli we-brushless, oko kukuthi, i-ESC ukuphumeza umsebenzi oqhubekayo.
Eyona nto igqiba ukusebenza kwayo yi-brushless electronic governor (oko kukuthi, i-ESC).
Inenzuzo yokusebenza okuphezulu, ukusetyenziswa kwamandla aphantsi, ingxolo ephantsi, ubomi obude, ukuthembeka okuphezulu, ulawulo lwe-servo, ulawulo lwesantya sokuguqulwa kwesantya esingenanyathelo (ukuya kwisantya esiphezulu), njl.Ulawulo lulula kune-asynchronous AC motor, kwaye i-torque yokuqala inkulu kwaye umthamo ogqithisiweyo womelele.
I-DC (ibrashi) yemoto inokulungelelanisa isantya ngokulungelelanisa i-voltage, idibanisa ukuchasana kuthotho, kunye nokutshintsha ukuvuselela, kodwa eneneni yeyona nto ilula kwaye isetyenziswa ngokuqhelekileyo ukulungisa i-voltage.Okwangoku, olona setyenziso luphambili lolawulo lwesantya se-PWM, i-PWM ikwisantya esiphezulu sokutshintsha ukuze kuphunyezwe ulawulo lwe-DC Voltage, kumjikelo omnye, okukhona ixesha le-ON lide, kokukhona umndilili wombane uphezulu, kwaye ixesha lokuvala lide. , i-voltage ephantsi ye-avareji.Kukulungele kakhulu ukulungelelanisa.Ngethuba nje isantya sokutshintsha sikhawuleza ngokwaneleyo, i-harmonics yegridi yamandla iya kuba yincinci, kwaye okwangoku iya kuba yinto eqhubekayo..
I-Stepper Motor-Vula iLoop Stepper Motor
(Open-loop) Iimotor zeStepper ziimotor ezivula iluphu zolawulo eziguqula imiqondiso yepulse yombane zibe yi-angular displacements, kwaye zisetyenziswa ngokubanzi.
Kwimeko yokungagqithisi, isantya kunye nokumisa isikhundla semoto sixhomekeke kuphela kwi-frequency kunye nenani lee-pulses ze-pulse signal, kwaye azichatshazelwa yinguqu yomthwalo.Xa umqhubi we-stepper efumana umqondiso we-pulse, uqhuba i-motor stepper ukuba ijikeleze.I-angle esisigxina, ebizwa ngokuthi "i-angle angle", ukujikeleza kwayo kuqhuba inyathelo ngesinyathelo kwi-angle esisigxina.
Ukufuduka kwe-angular kunokulawulwa ngokulawula inani lee-pulses, ukuze kufezekiswe injongo yokubeka ngokuchanekileyo;ngelo xesha, isantya kunye nokukhawuleza kokujikeleza kwemoto kunokulawulwa ngokulawula i-pulse frequency, ukuze kufezekiswe injongo yokulawula isantya.
Ixesha lokuposa: Sep-15-2022