Heat generation musimboti westepper motor.
1, kazhinji kuona marudzi ese emamotor, iyo yemukati isimbi musimboti uye inomonereka coil.Kupeta kunopikisa, kunopa simba kunobereka kurasikirwa, ukuru hwekurasikirwa kwakaenzana neskweya yekupikisa uye ikozvino, iyo inowanzonzi kurasikirwa kwemhangura, kana ikozvino isiri iyo yakajairika DC kana sine wave, ichaitawo harmonic kurasikirwa; musimboti une hysteresis eddy ikozvino mhedzisiro, mune inochinjika magineti inoburitsawo kurasikirwa, saizi yayo uye zvinhu, zvazvino, frequency, voltage, iyo inonzi iron kurasikirwa. Kurasikirwa kwemhangura uye kurasikirwa kwesimbi kucharatidzwa nenzira yekupisa, nokudaro kukanganisa kushanda kwemotokari. Stepper motors kazhinji inoteedzera kumira kwechokwadi uye kuburitsa torque, kushanda nesimba kwakadzikira, ikozvino kunowanzo kuve kwakakura, uye yakakwira harmonic zvikamu, kuwanda kwekuchinjika kwazvino kunosiyanawo nekumhanya, uye nekudaro ma stepper motors anowanzo kuve nekupisa, uye mamiriro acho akakomba kupfuura general AC mota.
2, huwandu hunonzwisisika hwestepper motorkupisa.
Motokari kupisa kunobvumirwa kusvika papi, zvinonyanya kuenderana nemota yemukati yekuisa nhanho. Internal insulation performance at high temperatures (130 degrees or more) isati yaparadzwa. Saka chero bedzi iyo yemukati isingapfuuri madhigirii 130, mota haingarasikirwe nemhete, uye tembiricha yepasi ichave iri pasi pe90 degrees panguva ino.
Naizvozvo, iyo inotsika mota yepasi tembiricha mu70-80 madhigirii yakajairika. Yakareruka tembiricha yekuyera nzira inobatsira poindi thermometer, iwe unogona zvakare zvakangoita kuona: neruoko runogona kubata anopfuura 1-2 masekonzi, kwete anopfuura 60 madhigirii; neruoko runogona kungobata, anenge 70-80 madhigirii; madonhwe mashoma emvura akakurumidza kunyungudika, inodarika 90 madhigirii.
3, stepper motorkupisa nekushanduka kwekukurumidza.
Paunenge uchishandisa inogara yazvino dhiraivha tekinoroji, stepper motors pa static uye yakaderera kumhanya, yazvino icharamba yakamira kuchengetedza inogara torque kubuda. Kana iyo kumhanya yakakwira kune imwe nhanho, iyo mota yemukati counter inokwira, yazvino inodonha zvishoma nezvishoma, uye torque inodonha zvakare.
Nokudaro, mamiriro ekupisa nekuda kwekurasikirwa kwemhangura ichave yakakurumidza kuvimba. Kumhanya kwakadzikama uye kwakaderera kunowanzo gadzira kupisa kwakanyanya, ukuwo kumhanya kwakanyanya kunogadzira kupisa kwakaderera. Asi kurasikirwa kwesimbi (kunyangwe chikamu chidiki) shanduko hadzina kufanana, uye mota seyakapisa kupisa ndiyo uwandu hwezviviri, saka zviri pamusoro apa ndizvo zvakajairika.
4, kukanganisa kwekupisa.
Kunyangwe kupisa kwemota kazhinji kusingakanganisi hupenyu hwemota, ruzhinji rwevatengi havafanire kuterera. Asi zvakakomba zvichaunza kumwe kukanganisa. Zvakadai semhando dzakasiyana-siyana dzekuwedzera kwekupisa kwezvikamu zvemukati zvemotokari zvinotungamirira kukuchinja kwekunetseka kwemaitiro uye kushanduka kuduku mukati memhepo yemukati gap, ichakanganisa mhinduro ine simba yemotokari, kukurumidza-kumhanya kuchava nyore kurasikirwa nhanho. Mumwe muenzaniso ndewekuti dzimwe nguva hazvibvumiri kupisa kwakanyanya kwemota, senge midziyo yekurapa uye yakakwirira-chaiyo bvunzo michina, nezvimwewo. Naizvozvo, kupisa kwemota kunofanirwa kuve kwakakosha kudzora.
5, maitiro ekudzikisa kupisa kwemota.
Kuderedza kupisa chizvarwa, ndiko kuderedza mhangura kurasikirwa uye simbi kurasikirwa. Deredza kurasikirwa kwemhangura mumativi maviri, kuderedza kupikisa uye ikozvino, izvo zvinoda kusarudzwa kwekupikisa kuduku uye yakarongwa ikozvino yemotokari zvakanyanya sezvinobvira, iyo miviri-chikamu motokari, motokari inogona kushandiswa mumutsara pasina parallel motor. Asi izvi zvinowanzopesana nezvinodiwa zve torque uye kumhanya kwakanyanya. Kune iyo mota yakasarudzwa, iyo drive's otomatiki hafu-ikozvino kudzora basa uye offline basa rinofanirwa kushandiswa zvizere, yekutanga inodzikisira yazvino kana mota yazorora, uye iyo yekupedzisira inongocheka iripo.
Uye zvakare, iyo kupatsanura dhiraivha, nekuti yazvino waveform iri padyo ne sinusoidal, shoma harmonics, mota yekudziya ichavewo shoma. Pane nzira shoma dzekudzikisa kurasikirwa kwesimbi, uye iyo voltage level ine hukama nayo. Kunyangwe mota inotyairwa nepamusoro-voltage ichaunza kuwedzera kwe-high-speed maitiro, inounzawo kuwedzera kwechizvarwa chekupisa. Saka isu tinofanirwa kusarudza iyo chaiyo drive voltage level, tichifunga nezvekumhanya kwakanyanya, kutsvedza uye kupisa, ruzha uye zvimwe zviratidzo.
Kudzora matekiniki ekumhanyisa uye kudzikamisa maitiro ema stepper motors.
Nekushandiswa kwakapararira kwema motors anotsika, chidzidzo che stepper motor control chiri kuwedzera zvakare, pakutanga kana kukurumidza kana iyo stepper pulse ikachinja nekukurumidza, rotor nekuda kwe inertia uye kusateedzera shanduko yemagetsi chiratidzo, zvichikonzera kuvharira kana kurasikirwa nhanho mukumira kana kudzikisira nekuda kwechikonzero chimwe chete chinogona kuburitsa kudarika. Kuti udzivise kuvharira, kurasikirwa kwenhanho uye overshoot, kunatsiridza iyo frequency yekushanda, iyo stepper mota kusimudza kumhanyisa kutonga.
Iko kumhanya kwemota inotsika kunoenderana ne pulse frequency, nhamba yemazino e rotor uye nhamba yekurova. Kumhanya kwayo kweangular kunoenzanirana neiyo pulse frequency uye inowiriraniswa nenguva pamwe nekupuruzira. Saka, kana nhamba yemazino e rotor uye nhamba yekumhanya bhiti ndeyechokwadi, kukurumidza kunodiwa kunogona kuwanikwa nekudzora pulse frequency. Sezvo iyo stepper mota inotangwa nerubatsiro rweiyo synchronous torque, iyo yekutanga frequency haina kukwirira kuitira kuti usarasikirwe nhanho. Kunyanya sezvo simba rinowedzera, iyo rotor dhayamita inowedzera, inertia inowedzera, uye iyo yekutanga frequency uye yakanyanya kumhanya frequency inogona kusiyana nekanopfuura kagumi.
Iyo yekutanga frequency maitiro eiyo stepper mota kuitira kuti iyo stepper mota itange haigone kusvika yakananga frequency yekushanda, asi kuve nekutanga-up maitiro, ndiko kuti, kubva pakaderera kumhanya zvishoma nezvishoma kusvika kune yekushanda kumhanya. Misa kana iyo frequency yekushanda isingagone kuderedzwa nekukurumidza kusvika zero, asi kuve ne-yepamusoro-yekumhanya zvishoma nezvishoma yekudzikisa kumhanyisa kusvika zero process.
Iyo inobuda torque yeinotsika mota inodzikira nekukwira kweiyo pulse frequency, iyo yakakwira frequency yekutanga, idiki iyo yekutanga torque, iyo yakaderera kugona kutyaira mutoro, kutanga kunokonzeresa kurasikirwa kwenhanho, uye mukumira kuchaitika kana overshoot. Kuita kuti stepper mota ikurumidze kusvika pakumhanya kunodiwa uye usarasikirwa nenhanho kana kupfuudza, kiyi ndeyekuita iyo yekumhanyisa maitiro, iyo yekumhanyisa torque inodiwa kuti ishandise zvizere torque inopiwa neiyo stepper mota pane imwe neimwe inoshanda frequency, uye kwete kudarika iyi torque. Naizvozvo, kushanda kweiyo stepper mota kazhinji kunofanirwa kupfuura nekumhanyisa, kumhanya kweyunifomu, kudzikisa matanho matatu, kukwidziridza uye kudzoreredza maitiro nguva ipfupi sezvinobvira, iyo inogara ichimhanya nguva yakareba sezvinobvira. Kunyanya mubasa rinoda mhinduro yekukurumidza, kubva pakutanga kusvika kumagumo enguva yekumhanya inodiwa kuti ive pfupi, iyo inofanirwa kumhanyisa, deceleration process ndiyo ipfupi, nepo kumhanya kwepamusoro pakumhanya nguva dzose.
Masayendisiti uye matekinoroji kumba nekune dzimwe nyika vakaita tsvakiridzo yakawanda pamusoro pekumhanya kudzora tekinoroji yeanotsika mota, uye akamisa akasiyana ekumhanyisa uye kudzika kudzora masvomhu modhi, senge exponential modhi, mutsara modhi, nezvimwewo, uye pahwaro hweiyi dhizaini uye kusimudzira kwakasiyana siyana kwekudzora maseketi kuvandudza mafambiro ekufamba kweanonyandura motors, kusimudzira danho rekufambisa munhoroondo yemotor. inherent nguva-frequency hunhu hwema stepper motors, zvese kuve nechokwadi chekuti stepper mota mukufamba pasina kurasikirwa nhanho, asi zvakare kupa kutamba kwakazara kune yakasikwa hunhu hwemota, kupfupisa yekusimudza yekumhanyisa nguva, asi nekuda kwekuchinja kwemutoro wemotor, zvinonetsa kuwana uku mutsara kukwirisa uye kudzikisira chete funga mota iri mukuremerwa huwandu hweangular velocity uye kuremedza nharaunda nekuda kweiyo mhepo yekufambisa uye maitiro ekuchinja, iyi nzira yekumhanyisa-yekumhanyisa inogara iripo, iyo yakashata ndeyekuti haina kunyatso funga nezve stepper mota inobuda torque Nehunhu hwekuchinja nekukurumidza, stepper mota pakumhanya kukuru ichaitika kunze kwenhanho.
Uku ndiko kusuma kumusimboti wekudziya uye kumhanyisa / kudzikisa maitiro ekudzora tekinoroji yeanotsika mota.
Kana iwe uchida kutaurirana uye kushanda nesu, ndapota inzwa wakasununguka kutibata nesu!
Isu tinodyidzana zvakanyanya nevatengi vedu, tichiteerera kune zvavanoda uye kuita pane zvavanokumbira. Isu tinotenda kuti kuhwina-kuhwina kudyidzana kwakavakirwa pamhando yechigadzirwa uye sevhisi yevatengi.
Nguva yekutumira: Kubvumbi-27-2023