Ukuhlaziywa kwembangela yokushisa kwe-Stepper motor

Isizathu sokuqala.

Enye yezinzuzo ezibaluleke kakhulu ze-ama-stepper motorsukulawula okunembile okungatholakala ohlelweni oluvulekile. Ukulawula okuvulekile kusho ukuthi akukho lwazi lwempendulo mayelana nendawo (ye-rotor) oludingekayo.

Lokhu kulawula kugwema ukusetshenziswa kwezinzwa ezibizayo namadivayisi okuphendula njenge-optical encoders, ngoba ama-intropping stepping pulses kuphela okudingeka alandelwe ukuze azi indawo ye-(rotor). Muva nje, amanye amakhasimende abonise onjiniyela bethu bezimoto baseShangshe ukuthi ama-stepper motor nawo athambekele ezinkingeni zokushisa, ngakho-ke singaxazulula kanjani lesi simo? 

1, nciphisainjini ye-stepperUkushisa, ukunciphisa ukushisa kunciphisa ukulahleka kwethusi kanye nokulahlekelwa yinsimbi. Ukunciphisa ukulahleka kwethusi ngezindlela ezimbili, kunciphisa i-yin kagesi kanye nomsinga, okudinga ukukhethwa kokumelana okuncane kanye nokulinganisa umsinga omncane ngangokunokwenzeka lapho injini, imoto ye-stepper enezigaba ezimbili, ingasetshenziswa ku-motor ewuchungechunge hhayi ku-motor parallel, kodwa lokhu kuvame ukungqubuzana nezidingo ze-torque kanye nesivinini esikhulu.

2, ngoba injini isikhethiwe, kufanele isebenzise ngokugcwele umsebenzi wokulawula we-half-current othomathikhi wedrayivu kanye nomsebenzi ongaxhunyiwe ku-inthanethi, owokuqala wehlisa ngokuzenzakalelayo ugesi uma imoto iphumula, owokugcina umane unqume ugesi.

3, ngaphezu kwalokho, i-subdivision stepper motor drive ngenxa ye-waveform yamanje iseduze ne-sinusoidal, ama-harmonics amancane, ukushisa kwe-motor kuzoba kuncane. Zimbalwa izindlela zokunciphisa ukulahleka kwensimbi, izinga le-voltage lihlobene nayo, i-high voltage drive motor yize izoletha ukwanda kwezici zesivinini esikhulu, kodwa futhi izoletha ukwanda kokukhiqizwa kokushisa. 

4, kufanele ukhethe izinga elifanele le-drive motor voltage, kucatshangelwa ibhendi ephezulu, ubushelelezi nokushisa, umsindo nezinye izinkomba.

Isizathu sesibili.

Nakuba ukushisa kwe-Stepper motor ngokuvamile kungathinti impilo yemoto, amakhasimende amaningi akudingeki aqaphele. Kodwa ngokungathi sína kuzoletha imiphumela emibi. Njengokunwetshwa kokushisa kwangaphakathi kwe-stepper motor kwengxenye ngayinye yezinguquko ezahlukene zokucindezeleka kwesakhiwo kanye nezinguquko ezincane kugebe lomoya wangaphakathi, kuzothinta impendulo enamandla ye-stepper motor, isivinini esikhulu sizoba lula ukulahlekelwa yisinyathelo. Esinye isibonelo ukuthi ezinye izikhathi azivumeli ukukhiqizwa kokushisa ngokweqile kwama-stepper motors, njengamadivayisi ezokwelapha kanye nemishini yokuhlola enembile kakhulu. Ngakho-ke, ukushisa kwe-stepper motor kufanele kudingeke ukuze kulawulwe. Ukushisa kwemoto kubangelwa yilezi zici.

1, isethi yamanje yomshayeli inkulu kuneyamanje ekalwe yemoto

2, ijubane lenjini lishesha kakhulu

3, injini ngokwayo ine-inertia enkulu kanye ne-positioning torque, ngakho-ke ngisho nokusebenza ngesivinini esiphakathi kuzoba kushisa, kodwa akuthinti impilo yemoto. Iphuzu lokususa umagnethi wemoto ku-130-200 ℃, ngakho-ke injini ku-70-90 ℃ kuyinto evamile, inqobo nje uma ingaphansi kuka-130 ℃ ngokuvamile ayinankinga, uma uzizwa ushisa kakhulu, i-drive current isethwe cishe ku-70% wamandla kagesi wemoto alinganisiwe noma isivinini semoto ukuze kuncishiswe okunye.

Isizathu sesithathu.

I-Stepper motor njenge-digital actuating element, isetshenziswe kabanzi ohlelweni lokulawula ukunyakaza. Abasebenzisi abaningi nabangane ekusebenziseni ama-stepper motor, banomuzwa wokuthi imoto isebenza ngokushisa okukhulu, banokungabaza, abazi ukuthi lesi simo sivamile yini. Eqinisweni, ukushisa kuyinto evamile kuma-stepper motors, kodwa yiliphi izinga lokushisa elibhekwa njengelijwayelekile, nokuthi unganciphisa kanjani ukushisa kwe-stepper motor?

 

Okulandelayo senza ukuhlukaniswa okulula, ngethemba ukuthi kuzokwenzeka emsebenzini wangempela wezicelo ezisebenzayo:.

Isimiso sokushisa senjini esingu-1

Ngokuvamile sibona zonke izinhlobo zama-motor, i-internal core kanye ne-winding coil. I-winding inokumelana, amandla azokhiqiza ukulahlekelwa, ubukhulu bokulahlekelwa kanye nokumelana kanye ne-current squared ngokulingana nokulahlekelwa, okuvame ukubizwa ngokuthi ukulahlekelwa kwethusi, uma i-current ingeyona i-DC ejwayelekile noma i-sine wave, kodwa futhi nokulahlekelwa kwe-harmonic; i-core inomphumela wamanje we-hysteresis eddy, ensimini yamagnetic eshintshanayo izokhiqiza ukulahlekelwa, ubukhulu bezinto ezibonakalayo, i-current, imvamisa, i-voltage, okubizwa ngokuthi ukulahlekelwa kwensimbi. Ukulahlekelwa kwethusi kanye nokulahlekelwa kwensimbi kuzobonakala ngesimo sokushisa, ngaleyo ndlela kuthinte ukusebenza kahle kwemoto. Ama-Stepper motors ngokuvamile aphishekela ukunemba kokubeka kanye nokukhipha i-torque, ukusebenza kahle kuphansi, i-current ngokuvamile inkulu, kanye nezingxenye eziphezulu ze-harmonic, imvamisa yokushintshana kwamanje nayo iyahlukahluka ngesivinini, futhi ngaleyo ndlela ama-stepper motors ngokuvamile anokushisa, futhi isimo sibi kakhulu kune-AC motor ejwayelekile.

Ububanzi bokushisa obufanele be-stepper motor 2

Izinga lokukhiqizwa kokushisa kwemoto elivunyelwe lincike kakhulu ezingeni lokufakwa kokushisa kwangaphakathi kwemoto. Ukufakwa kokushisa kwangaphakathi kuzobhujiswa kuphela emazingeni okushisa aphezulu (ngaphezu kwama-degrees angu-130). Ngakho-ke uma nje okwangaphakathi kungadluli ama-degrees angu-130, imoto ngeke ilimaze indandatho, futhi izinga lokushisa lobuso lizoba ngaphansi kwama-degrees angu-90 ngaleso sikhathi. Ngakho-ke, izinga lokushisa lobuso bemoto ye-stepper kuma-degrees angu-70-80 livamile. Indlela elula yokulinganisa izinga lokushisa ewusizo iphuzu lokushisa, unganquma futhi: ngesandla singathinta imizuzwana engaphezu kwengu-1-2, hhayi ngaphezu kwama-degrees angu-60; ngesandla singathinta kuphela, cishe ama-degrees angu-70-80; amaconsi ambalwa amanzi aphenduka ngokushesha, angaphezu kwama-degrees angu-90.

Ukushisa kwe-stepper motor okune-stepper eshintsha isivinini

Uma usebenzisa ubuchwepheshe bokushayela ugesi obuqhubekayo, imoto ye-stepper ngesivinini esingaguquki nesiphansi, ugesi uzohlala ungaguquki ukuze kugcinwe ukuphuma kwe-torque okungaguquki. Uma ijubane liphezulu ngezinga elithile, amandla angaphakathi e-counter motor akhuphuka, ugesi uzokwehla kancane kancane, futhi ugesi uzokwehla. Ngakho-ke, isimo sokushisa ngenxa yokulahlekelwa yithusi sizoncika esivinini. Isivinini esingaguquki nesiphansi ngokuvamile sikhiqiza ukushisa okuphezulu, kuyilapho isivinini esiphezulu sikhiqiza ukushisa okuphansi. Kodwa ukulahleka kwensimbi (nakuba kuyisilinganiso esincane) izinguquko azifani, futhi ukushisa kwemoto konke kuyisamba salokhu okubili, ngakho-ke okungenhla kuyisimo esijwayelekile kuphela.

4 ukushisa okubangelwa umthelela

Nakuba ukushisa kwemoto ngokuvamile kungathinti impilo yemoto, iningi lamakhasimende akudingeki liyinake. Kodwa ngokungathi sína kuzoletha umthelela omubi. Njengezinhlanganisela ezahlukene zokwanda kokushisa kwezingxenye zangaphakathi zemoto kuholela ekushintsheni kokucindezeleka kwesakhiwo kanye nezinguquko ezincane esikhaleni somoya wangaphakathi, kuzothinta impendulo enamandla yemoto, isivinini esikhulu sizoba lula ukulahlekelwa ijubane. Esinye isibonelo ukuthi ezinye izikhathi azivumeli ukushisa okweqile kwemoto, njengemishini yezokwelapha kanye nemishini yokuhlola enembile kakhulu. Ngakho-ke, ukukhiqizwa kokushisa kwemoto kufanele kulawulwe njengoba kudingeka.

 5 Indlela yokunciphisa ukushisa kwenjini

Ukunciphisa ukukhiqizwa kokushisa, kunciphisa ukulahleka kwethusi kanye nokulahlekelwa yinsimbi. Ukunciphisa ukulahleka kwethusi ngezindlela ezimbili, kunciphisa ukumelana kanye nogesi, okudinga ukukhethwa kokumelana okuncane kanye nogesi olinganiselwe omncane ngangokunokwenzeka lapho imoto, imoto enezigaba ezimbili, ingasebenzisa imoto ngokulandelana ngaphandle kwemoto ehambisanayo. Kodwa lokhu kuvame ukuphikisana nezidingo ze-torque kanye nesivinini esikhulu. Kumoto ekhethiwe, umsebenzi wokulawula we-half-current othomathikhi wedrayivu kanye nomsebenzi ongaxhunyiwe ku-inthanethi kufanele kusetshenziswe ngokugcwele, owokuqala wehlisa ngokuzenzakalelayo ugesi lapho imoto iphumule, kanti owokugcina umane unqamule ugesi. Ngaphezu kwalokho, idrayivu yokuhlukanisa, ngoba i-waveform yamanje iseduze ne-sinusoidal, ama-harmonics amancane, ukushisa kwemoto nakho kuzoba kuncane. Kunezindlela ezimbalwa zokunciphisa ukulahleka kwensimbi, futhi izinga le-voltage lihlobene nayo. Nakuba imoto eqhutshwa ugesi ophezulu izoletha ukwanda kwezici zesivinini esikhulu, futhi iletha ukwanda kokukhiqizwa kokushisa. Ngakho-ke kufanele ukhethe izinga le-voltage yokushayela elifanele, kucatshangelwa isivinini esiphezulu, ubushelelezi kanye nokushisa, umsindo kanye nezinye izinkomba.

Kuzo zonke izinhlobo zama-stepper motors, ingaphakathi lakhiwe nge-iron core kanye ne-winding coil. I-winding inokumelana, amandla azokhiqiza ukulahlekelwa, ubukhulu bokulahlekelwa buhambisana nesikwele sokumelana kanye nogesi, okuvame ukubizwa ngokuthi i-copper meteor, uma ugesi ungeyona i-DC ejwayelekile noma i-sine wave, kodwa futhi nokulahlekelwa kwe-harmonic; ugesi unomphumela wamanje we-hysteresis eddy, ensimini yamagnetic eshintshanayo nayo izokhiqiza ukulahlekelwa, usayizi wezinto ezibonakalayo, ugesi, imvamisa, i-voltage, okubizwa ngokuthi ukulahleka kwensimbi. Ukulahleka kwethusi kanye nokulahlekelwa kwensimbi kuzobonakala ngesimo sokushisa, ngaleyo ndlela kuthinte ukusebenza kahle kwemoto. Ama-Stepper motors ngokuvamile aphishekela ukunemba kokubeka kanye nokukhipha i-torque, ukusebenza kahle kuphansi, ugesi ngokuvamile mkhulu, futhi izingxenye eziphezulu ze-harmonic, imvamisa yokushintshana kwamanje nayo iyahlukahluka ngesivinini, futhi ngaleyo ndlela ama-stepper motors ngokuvamile anokushisa, futhi isimo sibi kakhulu kune-AC motor ejwayelekile.