Ukuhlaziywa kwesizathu sokushisa kwe-stepper motor

Isizathu sokuqala.

Enye yezinzuzo eziphusile zeama-stepper motorsisilawuli esinembayo esingafinyelelwa ohlelweni oluvulekile lweluphu. Ukulawula iluphu evulekile kusho ukuthi alukho ulwazi lwempendulo mayelana nendawo (yerotha) edingekayo.

Lokhu kulawula kugwema ukusetshenziswa kwezinzwa ezibizayo namadivayisi empendulo afana nezifaki khodi zokubona, ngenxa yokuthi ama-pulses anyathelayo okokufaka kuphela adinga ukulandelelwa ukuze kwaziwe indawo (rotor). Muva nje, amanye amakhasimende abonise konjiniyela bethu bezimoto bakwaShangshe ukuthi ama-stepper motors nawo athambekele ezinkingeni zokushisa, ngakho-ke lesi simo singasixazulula kanjani? 

1, nciphisai-stepper motorukushisa, ukunciphisa ukushisa kuwukunciphisa ukulahleka kwethusi nokulahlekelwa kwensimbi. Nciphisa ukulahlekelwa kwethusi ngezindlela ezimbili, ukunciphisa i-yin kagesi kanye namanje, okudinga ukukhethwa kokumelana okuncane futhi kulinganiswe okwamanje njengento encane ngangokunokwenzeka lapho i-motor, i-motor ye-stepper motor enezigaba ezimbili, ingasetshenziswa ochungechungeni lwe-motor hhayi i-parallel motor, kodwa lokhu kuvame ukuphikisana nezidingo ze-torque nesivinini esikhulu.

I-2, ngoba i-motor ikhethiwe, kufanele isebenzise ngokugcwele umsebenzi wokulawula uhhafu wamanje wedrayivu kanye nokusebenza okungaxhunyiwe ku-inthanethi, eyokuqala inciphisa ngokuzenzakalelayo yamanje lapho injini iphumulile, lokhu okulandelayo kumane kunqamule amandla.

I-3, ngaphezu kwalokho, ukuhlukaniswa kwe-stepper motor drive ngenxa ye-waveform yamanje kuseduze ne-sinusoidal, i-harmonics encane, ukushisa kwemoto kuzoba kuncane. Kunezindlela ezimbalwa zokunciphisa ukulahleka kwensimbi, izinga le-voltage lihlobene nalo, i-high voltage drive motor nakuba izoletha ukwanda kwezici zesivinini esikhulu, kodwa futhi ilethe ukwanda kokukhiqiza ukushisa. 

I-4, kufanele ikhethe izinga elifanele le-voltage motor, kucatshangelwa ibhande eliphakeme, ubushelelezi nokushisa, umsindo nezinye izinkomba.

Isizathu sesibili.

Ukushisa kwe-stepper motor nakuba ngokuvamile akuthinti impilo yemoto, ngoba amakhasimende amaningi akudingeki anake. Kodwa ngokungathí sina kuzoletha imiphumela engemihle. Okufana ne-stepper motor yangaphakathi yokwandisa i-thermal coefficient yengxenye ngayinye yezinguquko ezihlukene zokucindezeleka kwesakhiwo kanye nezinguquko ezincane kugebe lomoya wangaphakathi, kuzothinta impendulo eguquguqukayo ye-stepper motor, isivinini esikhulu kuyoba lula ukulahlekelwa isinyathelo. Esinye isibonelo ukuthi ezinye izikhathi azikuvumeli ukukhiqiza ukushisa okukhulu kwamamotho ahamba phambili, njengamadivayisi ezokwelapha kanye nemishini yokuhlola enembayo ephezulu. Ngakho-ke, ukushisa kwe-stepper motor kufanele kudingeke ukulawula. Ukushisa kwenjini kubangelwa yilezi zici.

1, isethi yamanje yomshayeli inkulu kunesilinganiso samanje semoto

2, ijubane lemoto lishesha kakhulu

3, injini ngokwayo ine-inertia enkulu kanye ne-torque yokubeka, ngakho-ke ngisho nokusebenza kwesivinini esiphakathi kuzoshisa, kodwa akuphazamisi impilo yemoto. Iphoyinti le-demagnetization lenjini ku-130-200 ℃, ngakho-ke injini eku-70-90 ℃ yinto evamile, inqobo nje uma ngaphansi kuka-130 ℃ ngokuvamile akuyona inkinga, uma uzizwa ushisa ngokweqile, idrayivu yamanje isethelwe cishe ku-70% wemoto elinganiselwe yamanje noma isivinini semoto ukunciphisa okunye.

Isizathu sesithathu.

I-Stepper motor njenge-digital actuating element, isetshenziswe kabanzi ohlelweni lokulawula ukunyakaza. Abasebenzisi abaningi nabangane ekusetshenzisweni kwe-stepper motors, banomuzwa wokuthi imoto isebenza ngokushisa okukhulu, banokungabaza, abazi ukuthi lesi simo sivamile yini. Eqinisweni, ukushisa kuyinto evamile yama-motor stepper, kodwa yiliphi izinga lokushisa elibhekwa njengento evamile, futhi indlela yokunciphisa ukushisa kwe-stepper motor?

 

Okulandelayo senza ukuhlelwa okulula, ngethemba emsebenzini wangempela wezinhlelo zokusebenza ezingokoqobo:.

1 umgomo wokushisa wemoto

Ngokuvamile sibona zonke izinhlobo zamamotho, umongo wangaphakathi kanye nekhoyili ejikajikayo. I-winging inokumelana, okunamandla kuzokhiqiza ukulahlekelwa, ubukhulu bokulahlekelwa nokumelana kanye nokulinganisa kwamanje kwesikwele ngokulingana nokulahlekelwa, okuvame ukubizwa ngokuthi ukulahlekelwa kwethusi, uma okwamanje kungeyona i-DC ejwayelekile noma i-sine wave, kodwa futhi nokulahlekelwa kwe-harmonic; umgogodla unomphumela wamanje we-hysteresis eddy, endaweni eshintshanayo kazibuthe izophinde ikhiqize ukulahlekelwa, ubukhulu bezinto ezibonakalayo, zamanje, imvamisa, i-voltage, ebizwa ngokuthi ukulahlekelwa kwensimbi. Ukulahlekelwa kwethusi nokulahlekelwa kwensimbi kuzobonakala ngendlela yokushisa, ngaleyo ndlela kuthinte ukusebenza kahle kwemoto. Ama-Stepper motors ngokuvamile aphishekela ukunemba kokuma kanye nokuphuma kwe-torque, ukusebenza kahle kuphansi, okwamanje kuvamile, futhi izingxenye ezihambisanayo eziphezulu, imvamisa yokushintshashintsha kwamanje nayo iyahlukahluka ngesivinini, ngakho-ke ama-stepper motors ngokuvamile anokushisa, futhi isimo sibi kakhulu kunemoto evamile ye-AC.

2 stepper motor ukushisa ibanga elinengqondo

Izinga okuvunyelwe ngalo ukukhiqizwa kokushisa kwemoto lincike kakhulu ezingeni lokufakwa ngaphakathi kwemoto. I-insulation yangaphakathi izobhujiswa kuphela emazingeni okushisa aphezulu (ngaphezu kwama-degrees angu-130). Ngakho-ke inqobo nje uma okwangaphakathi kungadluli ama-degree angu-130, injini ngeke ilimaze indandatho, futhi izinga lokushisa elingaphezulu lizoba ngaphansi kwama-degree angu-90 ngaleso sikhathi. Ngakho-ke, izinga lokushisa le-stepper motor surface ngama-70-80 degrees lijwayelekile. Indlela elula yokulinganisa izinga lokushisa ewusizo i-thermometer yephuzu, ungakwazi futhi ukunquma cishe: ngesandla singathinta imizuzwana engu-1-2, hhayi ngaphezu kwama-degree angu-60; ngesandla singathinta kuphela, cishe ama-70-80 degrees; amaconsi ambalwa amanzi ahwamuka ngokushesha, angaphezu kuka-90 degrees

3 stepper motor Ukushisa ngokushintsha kwesivinini

Uma usebenzisa ubuchwepheshe obuqhubekayo bokushayela, i-stepper motor ngesivinini esimile futhi esiphansi, yamanje izohlala ingashintshi ukuze kugcinwe ukuphuma kwe-torque njalo. Uma ijubane liphakeme ngezinga elithile, amandla angaphakathi e-motor counter akhuphuka, i-current izokwehla kancane kancane, futhi i-torque nayo izokwehla. Ngakho-ke, isimo sokushisa ngenxa yokulahlekelwa kwethusi sizoxhomeka ngesivinini. Isivinini esiqinile nesiphansi ngokuvamile sikhiqiza ukushisa okuphezulu, kuyilapho isivinini esikhulu sikhiqiza ukushisa okuphansi. Kodwa ukulahlekelwa kwensimbi (nakuba ingxenye encane) izinguquko azifani, futhi konke ukushisa kwemoto kuyisamba salokhu okubili, ngakho-ke okungenhla kuyisimo esivamile kuphela.

4 ukushisa okulethwa umthelela

Nakuba ukushisa kwemoto ngokuvamile akuthinti ukuphila kwemoto, iningi lamakhasimende akudingeki likunake. Kodwa ngokungathí sina kuzoletha umthelela omubi. Njengama-coefficients ahlukene okwanda okushisayo kwezingxenye zangaphakathi ze-motor eziholela ekushintsheni kokucindezeleka kwesakhiwo kanye nezinguquko ezincane emgodini womoya wangaphakathi, kuzothinta impendulo eguquguqukayo yemoto, isivinini esikhulu kuyoba lula ukulahlekelwa ijubane. Esinye isibonelo ukuthi ezinye izikhathi azikuvumeli ukushisa okudlulele kwemoto, okufana nemishini yezokwelapha kanye nemishini yokuhlola enembayo ephezulu. Ngakho-ke, ukukhiqizwa kokushisa kwemoto kufanele kulawulwe njengoba kudingekile.

 5 Indlela yokunciphisa ukushisa kwenjini

Ukunciphisa isizukulwane sokushisa, ukunciphisa ukulahlekelwa kwethusi nokulahlekelwa kwensimbi. Nciphisa ukulahlekelwa kwethusi ngezindlela ezimbili, ukunciphisa ukumelana namanje, okudinga ukukhethwa kokumelana okuncane futhi kulinganiswe okwamanje njengento encane ngangokunokwenzeka lapho i-motor, i-motor yesigaba ezimbili, ingasebenzisa i-motor ochungechungeni ngaphandle kwe-parallel motor. Kodwa lokhu kuvame ukuphikisana nezidingo ze-torque nesivinini esikhulu. Enjinini ekhethiwe, umsebenzi wokulawula uhhafu wedrayivu ozenzakalelayo kanye nokusebenza okungaxhunyiwe ku-inthanethi kufanele kusetshenziswe ngokugcwele, eyokuqala inciphisa ngokuzenzakalelayo yamanje lapho injini iphumule, bese eyakamuva imane inqamule yamanje. Ngaphezu kwalokho, idrayivu yokuhlukanisa, ngoba i-waveform yamanje iseduze ne-sinusoidal, i-harmonics encane, ukushisa kwemoto nakho kuzoba kuncane. Kunezindlela ezimbalwa zokunciphisa ukulahleka kwensimbi, futhi izinga le-voltage lihlobene nalo. Nakuba i-motor eqhutshwa amandla kagesi aphezulu izoletha ukwanda kwezici zesivinini esikhulu, futhi iletha ukwanda kokukhiqizwa kokushisa. Ngakho-ke kufanele ukhethe izinga elifanele le-voltage drive, kucatshangelwa isivinini esikhulu, ubushelelezi nokushisa, umsindo nezinye izinkomba.

Kuzo zonke izinhlobo zama-motor stepper, ingaphakathi lakhiwe ngomgogodla wensimbi kanye nekhoyili ejikajikayo. I-winging inokumelana, okunamandla kuzokhiqiza ukulahlekelwa, ubukhulu bokulahlekelwa bulingana nesikwele sokumelana nesimanje, okuvame ukubizwa ngokuthi i-meteor yethusi, uma okwamanje kungeyona i-DC ejwayelekile noma i-sine wave, kodwa futhi nokulahlekelwa kwe-harmonic; umgogodla unomphumela wamanje we-hysteresis eddy, endaweni eshintshanayo kazibuthe izophinde ikhiqize ukulahlekelwa, ubukhulu bezinto ezibonakalayo, zamanje, imvamisa, i-voltage, ebizwa ngokuthi ukulahlekelwa kwensimbi. Ukulahlekelwa kwethusi nokulahlekelwa kwensimbi kuzobonakala ngendlela yokushisa, ngaleyo ndlela kuthinte ukusebenza kahle kwemoto. Ama-Stepper motors ngokuvamile aphishekela ukunemba kokuma kanye nokuphuma kwe-torque, ukusebenza kahle kuphansi, okwamanje kuvamile, futhi izingxenye ezihambisanayo eziphezulu, imvamisa yokushintshashintsha kwamanje nayo iyahlukahluka ngesivinini, ngakho-ke ama-stepper motors ngokuvamile anokushisa, futhi isimo sibi kakhulu kunemoto evamile ye-AC.