Dc brushless motachimiro chinonzwisisika, kukurumidza kwayo kunonyanya kugadzikana, saka kazhinji, kashoma kune guru rekumhanya regulation.Nekuda kwekuti motokari ine zvakawanda zvekushandisa uye inogona kushandiswa nemichina yakawanda, inofanirwa kugadzirisa kukurumidza kwayo maererano nezviitiko zvakasiyana. Asi iyo brushless dc mota yekudzora uye yekumhanyisa mutemo nzira inoda kuti munhu wese adzidze, kuitira kukurumidza kushandisa:
1. Nokudzora kurongeka uko iyo coil inosimbiswa, iyo inopikisa coil inokamurwa kuva boka uye ikozvino inosimbiswa kuti ibudise magnetic field munzira imwechete.
2. Nhamba yemapango ebrushless dc mota matatu, kuitira kuti peya imwe neimwe ye "magnetic poles" inogona kuitiswa mune imwe nzira yekuzadzisa mhedzisiro yemagnetic field rotation.Pasi pechiito chemagnetic field, rotor yemagineti isingaperi. pakati nguva dzose ine tsika yekuchengetedza magnetic field munzira imwechete uye inotenderera neinotenderera magnetic field.
H1H2H3 masensa matatu eHoro akaiswa mugedhi remhepo reiyo coil yekukurudzira, iyo inoshandiswa sechinhu kuona magineti. Iyo voltage inogona kuchinjwa zvichienderana negwara remagineti, uye inobuda chiratidzo chedhijitari.
3. Iyo stator coil inosimbiswa maererano nekutevedzana kunotevera, uye rotor magnetic field uye stator magnetic field inofanira kuva neAngle.Hapana chikonzero chekutonga kana brushless dc motokari ichangotanga, inongoda kuita murairo unotevera maererano. kune iyo inoshanda mamiriro yakadzoserwa neHoro sensor.
Murairo waro ndewekutumira mapeya matatu ecoil nekudzima, aya ma switch anowanikwa kuburikidza ne transistor.
Kutenderera kwetatu-chikamu BLDC kunogona kuitika nekupa simba kana kucheka matatu maviri maviri e transistors mune imwe hurongwa.
4. Sezvo rotor inotenderera, iyo induced inokwanisa yekoil imwe neimwe inoenda kubva kumusoro kusvika zero uye ichidzoka zvakare.Nekuti kana coil ichinge yasimbiswa kune yakatarisana, iyo reverse electromotive simba ichavhara reverse voltage, saka trapezoidal wave chikamu chichaita. kuoneka.Iyo yakanaka uye yakaipa voltage ye trapezoidal chikamu che zero inopesana, saka mamiriro ekushanda emota stator anogona kutariswa nekuona iyo yakanaka uye yakaipa voltage mushure. iyo voltage comparator.
Sezvo zero point iri pakati pe trapezoid, kutenderera kweBLDC kunogona kudzorwa mushure mekunge chiratidzo chekutonga chekuenzanisa nguva yakatarwa inobuda mushure mekunonoka kwe 30 °. Iyi nzira yekudzora haidi Hall sensor, uye tambo nhatu dzinogona. drive theBLDC.Kana waveform iri yakanaka, iyo matatu coil voltage curves inogona kuwanikwa nekubatanidza zvakananga voltage.Saka iyo brushless dc mota inogona kudzorwa.
5. Sarudza nzira yekutangira, simbisa iyo yakaderera coil munzira iyoyo kutanga, ita kuti rotor itendeuke kunzvimbo yekutanga munguva pfupi, uye simbisa mota zvinoenderana nekutevera kutevedzana kwezviito.
Kuti tivandudze mashandisiro ekushandisa kwebrushless dc mota, isu tinofanirwa kudzidza zvinoenderana neyakasiyana mashandisiro nharaunda, kudzora kwakasiyana uye kumhanya mutemo, kunatsiridza mashandisiro ekushandisa kwemota, kutonga uye kumhanya nzira yekudzora inogona kushandiswa kugadzirisa kumhanya.
Nguva yekutumira: Mar-28-2020
