Mapoinzi ekugadzirisa kwemaitiro ema stepper motors

Sechinhu chedhijitari kuuraya, stepper mota inoshandiswa zvakanyanya mukufamba kudzora system. Vazhinji vashandisi uye shamwari mukushandisa stepper motors, vanonzwa kuti mota inoshanda nekupisa kukuru, moyo unokahadzika, hauzive kana chiitiko ichi chakajairika. Muchokwadi, kupisa chinhu chakajairika cheiyo stepper motors, asi ndeipi dhigirii yekupisa inoonekwa seyakajairika, uye nzira yekudzikisa iyo stepper mota kupisa?

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一, kuti unzwisise kuti sei stepper mota ichipisa.

Kune ese marudzi ema stepper motors, iyo yemukati inoumbwa nesimbi musimboti uye inomonereka coil. Kupeta kupikisa, simba richabudisa kurasikirwa, kurasikirwa kwehukuru uye kuramba uye ikozvino yakaenzana nekona, izvi ndizvo zvatinowanzodaidza kuti kurasikirwa kwemhangura, kana ikozvino isiri DC kana sine wave, ichabudisawo harmonic kurasikirwa; core hysteresis eddy ikozvino mhedzisiro, mune inochinjika magineti inoburitsawo kurasikirwa, saizi yezvinhu, zvazvino, frequency, voltage ine chekuita, inodaidzwa kuti iron kurasikirwa. Kurasikirwa kwemhangura uye kurasikirwa kwesimbi kucharatidzwa nenzira yechizvarwa chekupisa, nokudaro kukanganisa kushanda kwemotokari.

Mota yekutsika kazhinji inoteedzera kumira kwechokwadi uye kuburitsa torque, kushanda nesimba kwakadzikira, ikozvino kunowanzo hombe, uye yakakwira harmonic zvikamu, kuwanda kwezvino kuchinjika nekumhanya uye shanduko, saka mota dzinotsika dzinowanzo kuve nekupisa, uye mamiriro acho akakomba kupfuura general AC mota.

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二、 iyo stepper mota yekudzora kupisa mukati meiyo inonzwisisika renji.

Motokari kupisa kunobvumirwa kusvika papi, zvinonyanya kuenderana nemota yemukati yekuisa nhanho. Internal insulation haina kuparadzwa kusvikira iri pakupisa kwepamusoro (pamusoro pe130 degrees). Saka chero bedzi iyo yemukati isingapfuuri madhigirii 130, mota haizokuvadzwa, uye ipapo tembiricha yepasi ichave iri pasi pe90 degrees. Naizvozvo, tembiricha yepamusoro mota ye70-80 degrees yakajairika. Yakareruka tembiricha yekuyera nzira ine thermometer, unogona zvakare kutonga zvakapusa: neruoko runogona kubata anopfuura 1-2 masekonzi, kwete anopfuura 60 madhigirii; neruoko runogona kungobatwa chete, anenge 70-80 madhigirii; madonhwe mashomanana emvura akakurumidza kunyungudutswa, inopfuura 90 degrees; chokwadi, unogona kushandisawo tembiricha pfuti kuona.

三、 iyo stepper mota kudziyisa pamwe nekumhanyisa shanduko.

Paunenge uchishandisa inogara yazvino dhiraivha tekinoroji, iyo inotsika mota mune static uye yakaderera kumhanya, yazvino inochengetedza yakadzikama kuchengetedza inogara torque kubuda.
Kana iyo yekumhanyisa yakakwira kune imwe dhigirii, iyo inodzosera kumashure mukati memota inosimuka, yazvino inoderera zvishoma nezvishoma, uye torque inodererawo. Nokudaro, chizvarwa chekupisa nekuda kwekurasikirwa kwemhangura kunoenderana nekukurumidza.
Kugadzira kupisa kunowanzo kukwira pa static uye kuderera kumhanya uye kuderera pakumhanya kwakanyanya. Asi kurasikirwa kwesimbi (kunyangwe chikamu chidiki) shanduko haisi iyo, uye kupisa kwemota kwese ndiko kuwanda kwezviviri, saka zviri pamusoro ingori mamiriro ezvinhu.

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四, kukanganisa kwekupisa

Motokari kupisa, kunyangwe kazhinji isingakanganisi hupenyu hwemota, vatengi vazhinji havafanire kuterera. Zvisinei, kupisa kwakanyanya kuchaunza mamwe maitiro asina kunaka.
Zvakadai sezvikamu zvemukati zvemotor thermal yekuwedzera coefficient yezvakasiyana zvimiro zvinonetsa zvinokonzerwa nekuchinja kwemukati mhepo gap uye shanduko diki dzinokanganisa mhinduro ine simba yemota, kukurumidza-kumhanya kuchave nyore kurasikirwa nhanho.
Mumwe muenzaniso ndewekuti dzimwe nguva hadzitenderi kupisa kwakanyanya kwemota, senge michina yekurapa uye yakakwirira-chaiyo yekuyedza michina. Naizvozvo, kupisa kwemota kunofanirwa kuve kwakakosha kudzora.

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五、 kuderedza kupisa kwemota.

Kuderedza kupisa, ndiko kuderedza kurasikirwa kwemhangura uye kurasikirwa kwesimbi. Deredza kurasikirwa kwemhangura kune nzira mbiri, kuderedza kupikisa uye ikozvino, izvo zvinoda kusarudzwa kwekupikisa kuduku uye kurongerwa ikozvino zvakanyanya sezvinobvira pakusarudzwa kwemamota maduku, maviri-phase motors, anogona kushandiswa mumakwikwi emagetsi haafaniri kufanana nemotokari.
Asi izvi zvinowanzopesana nezvinodiwa zve torque uye kumhanya kwakanyanya.
Nekuti iyo mota yakasarudzwa, inofanirwa kushandisa zvizere iyo drive's otomatiki hafu-ikozvino kudzora basa uye offline basa, yekutanga inodzikisira yazvino kana mota iri mu static state, iyo yekupedzisira inongocheka iripo.
Pamusoro pezvo, dhiraivha yakakamurwa zvakanaka nekuda kweiyo waveform yazvino padyo ne sinusoidal, shoma harmonics, mota yekudziya ichave shoma. Haisi nzira dzakawanda dzekudzikisa kurasikirwa kwesimbi, iyo voltage level ine hukama nemota yeyakakwira-voltage drive, kunyangwe ichiunza iyo yakakwirira-yekumhanya maitiro ekusimudzira, asi zvakare inounza kuwedzera kwekupisa.
Naizvozvo, isu tinofanirwa kusarudza iyo yakakodzera dhiraivha voltage level, tichifunga nezvekumhanya kwakanyanya, kutsvedza uye kupisa, ruzha uye zvimwe zviratidzo.


Nguva yekutumira: Sep-13-2024

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