1. Iyini injini ye-stepper?
Injini ye-stepper iyi-actuator eguqula ama-pulse kagesi abe yi-angular displacement. Ukukubeka ngokusobala: lapho umshayeli we-stepper ethola isignali ye-pulse, ishayela imoto ye-stepper ukuze ijikeleze i-engeli eqondile (kanye ne-engeli yesinyathelo) ohlangothini olubekiwe. Ungalawula inani lama-pulse ukuze ulawule ukufuduka kwe-angular, ukuze ufeze injongo yokuma okunembile; ngesikhathi esifanayo, ungalawula imvamisa yama-pulse ukuze ulawule isivinini kanye nokusheshisa kokujikeleza kwenjini, ukuze ufeze injongo yokulawula isivinini.
2. Yiziphi izinhlobo zama-stepper motors akhona?
Kunezinhlobo ezintathu zama-stepping motors: i-permanent magnet (PM), i-reactive (VR) kanye ne-hybrid (HB). I-permanent magnet stepping ngokuvamile inezigaba ezimbili, ine-torque encane kanye nevolumu, kanti i-stepping angle ngokuvamile ingama-degrees angu-7.5 noma ama-degrees angu-15; i-reactive stepping ngokuvamile inezigaba ezintathu, enokukhishwa okukhulu kwe-torque, kanti i-stepping angle ngokuvamile ingama-degrees angu-1.5, kodwa umsindo nokudlidliza kukhulu. EYurophu nase-United States nakwamanye amazwe athuthukile ngawo-1980 sekuqediwe; i-hybrid stepping ibhekisela engxubeni yohlobo lwe-permanent magnet kanye nezinzuzo zohlobo lokusabela. Ihlukaniswe ngezigaba ezimbili kanye nezigaba ezinhlanu: i-engeli yezinyathelo ezimbili ngokuvamile ingama-degrees angu-1.8 kanti i-engeli yezinyathelo ezinhlanu ngokuvamile ingama-degrees angu-0.72. Lolu hlobo lwe-stepper motor lusetshenziswa kakhulu.
3. Iyini i-torque yokubamba (i-HOLDING TORQUE)?
I-torque yokubamba (i-HOLDING TORQUE) ibhekisela ku-torque ye-stator evala i-rotor lapho imoto ye-stepper inikwe amandla kodwa ingajikelezi. Ingenye yemingcele ebaluleke kakhulu yemoto ye-stepper, futhi ngokuvamile i-torque yemoto ye-stepper ngesivinini esiphansi iseduze ne-torque yokubamba. Njengoba i-torque yokuphuma kwemoto ye-stepper iqhubeka nokubola ngesivinini esandayo, futhi amandla okuphuma ashintsha ngesivinini esandayo, i-torque yokubamba iba enye yemingcele ebaluleke kakhulu yokukala imoto ye-stepper. Isibonelo, lapho abantu bethi imoto ye-stepping engu-2N.m, kusho imoto ye-stepping ene-torque yokubamba engu-2N.m ngaphandle kwemiyalelo ekhethekile.
4. Iyini i-DETENT TORQUE?
I-DETENT TORQUE yi-torque i-stator evala i-rotor uma i-stepping motor ingasebenzi. I-DETENT TORQUE ayihunyushwa ngendlela efanayo eShayina, okulula ukuyiqonda kabi; njengoba i-rotor ye-reactive stepping motor ingeyona into ehlala njalo edonsa umoya, ayinayo i-DETENT TORQUE.
5. Kuyini ukunemba kwenjini yokunyathela? Ingabe kuyahlangana?
Ngokuvamile, ukunemba kwenjini ye-stepper kungu-3-5% we-engeli yokunyathela, futhi akuqongelelani.
6. Kungakanani izinga lokushisa elivunyelwe ngaphandle kwemoto ye-stepper?
Izinga lokushisa eliphezulu lenjini yokunyathela lizoqala ngokususa ugesi ezintweni ezisebenza ngogesi zenjini, okuzoholela ekwehleni kwe-torque noma ngisho nasekuphumeni kwesinyathelo, ngakho izinga lokushisa eliphezulu elivunyelwe ngaphandle kwenjini kufanele lincike endaweni yokususa ugesi ezintweni ezisebenza ngogesi zenjini ezahlukene; ngokuvamile, indawo yokususa ugesi ezintweni ezisebenza ngogesi ingaphezu kwama-degree Celsius angu-130, kanti ezinye zazo zifinyelela ngisho nangaphezu kwama-degree Celsius angu-200, ngakho-ke kuyinto evamile ngokuphelele ukuthi ingaphandle lenjini yokunyathela libe sebangeni lokushisa elingu-80-90 degrees Celsius.
7. Kungani i-torque yemoto ye-stepper incipha ngokwanda kwejubane elijikelezayo?
Uma injini yokunyathela ijikeleza, ukuhanjiswa kwesigaba ngasinye sokugoqa kwenjini kuzokwakha amandla e-electromotive abuyela emuva; uma imvamisa iphakama, amandla e-electromotive abuyela emuva ayanda. Ngaphansi kwesenzo sayo, ugesi wesigaba senjini uyancipha ngokwanda kwemvamisa (noma isivinini), okuholela ekwehleni kwe-torque.
8. Kungani injini ye-stepper ingasebenza ngokujwayelekile ngesivinini esiphansi, kodwa uma iphakeme kunesivinini esithile ayikwazi ukuqala, futhi ihambisane nomsindo wokushaya ikhwela?
Injini yokwenyuka inepharamitha yobuchwepheshe: imvamisa yokuqala engenamthwalo, okungukuthi, imvamisa yokushaya kwenjini yokwenyuka ingaqala ngokujwayelekile ngaphansi komthwalo, uma imvamisa yokushaya kwenhliziyo iphakeme kunaleli nani, imoto ayikwazi ukuqala ngokujwayelekile, futhi ingase ilahlekelwe yisinyathelo noma ukuvimba. Uma umthwalo uphezulu, imvamisa yokuqala kufanele ibe ngaphansi. Uma imoto izokwenza ukujikeleza kwesivinini esikhulu, imvamisa yokushaya kwenhliziyo kufanele isheshiswe, okungukuthi, imvamisa yokuqala iphansi, bese ikhushulwa ibe yimvamisa ephezulu oyifunayo (isivinini semoto sisuka phansi siye phezulu) ngokusheshisa okuthile.
9. Ungakunqoba kanjani ukudlidliza nomsindo wenjini yokunyathela ye-hybrid enezigaba ezimbili ngesivinini esiphansi?
Ukudlidliza nomsindo kuyizinto ezimbi ezingokwemvelo zama-stepper motors lapho ejikeleza ngesivinini esiphansi, okunganqotshwa ngokuvamile yizinhlelo ezilandelayo:
A. Uma injini yokunyathela isebenza endaweni yokuma kwezwi, indawo yokuma kwezwi ingagwenywa ngokushintsha ukudluliselwa komshini njengesilinganiso sokunciphisa;
B. Sebenzisa idrayivu ngomsebenzi wokuhlukanisa, okuyindlela evame ukusetshenziswa futhi elula kakhulu;
C. Faka injini yokunyathela ene-engeli encane yesinyathelo, njengenjini yokunyathela enezigaba ezintathu noma ezinhlanu;
D. Shintshela kuma-motor e-AC servo, anganqoba cishe ngokuphelele ukudlidliza nomsindo, kodwa ngezindleko eziphakeme;
E. Ku-shaft yemoto ene-damper yamagnetic, imakethe inemikhiqizo enjalo, kodwa isakhiwo somshini soshintsho olukhulu.
10. Ingabe ukwahlukaniswa kwedrayivu kumele ukunemba?
Ukuhlanganiswa kwe-Stepper motor empeleni kuwubuchwepheshe bokuncishisa ngogesi (sicela ubheke izincwadi ezifanele), inhloso eyinhloko iwukunciphisa noma ukuqeda ukudlidliza okuphansi kwe-stepper motor, futhi ukuthuthukisa ukunemba kokusebenza kwemoto kungumsebenzi ongavamile wobuchwepheshe bokuhlanganiswa. Isibonelo, ku-motor ye-stepping enezigaba ezimbili ene-angle yokunyathela engu-1.8°, uma inombolo yokuhlanganiswa komshayeli we-interpolation isethwe ku-4, khona-ke isinqumo sokusebenza kwemoto singu-0.45° nge-pulse ngayinye. Ukuthi ukunemba kwemoto kungafinyelela noma kusondele ku-0.45° nakho kuncike kwezinye izici njengokunemba kokulawulwa kwamanje kwe-interpolation komshayeli we-interpolation. Abakhiqizi abahlukene bokunemba kwe-drive ehlukanisiwe bangahluka kakhulu; lapho amaphuzu ahlukanisiwe emakhulu kulapho kunzima kakhulu ukulawula ukunemba.
11. Uyini umehluko phakathi kokuxhumeka kochungechunge kanye nokuxhumeka okuhambisanayo kwemoto ye-hybrid stepping motor kanye nomshayeli we-4-phase hybrid stepping?
Injini yokunyathela ye-hybrid enezigaba ezine ngokuvamile iqhutshwa umshayeli wezigaba ezimbili, ngakho-ke, uxhumano lungasetshenziswa ngendlela yochungechunge noma yokuxhumanisa ngokuhlanganyela ukuxhuma imoto yezigaba ezine ekusetshenzisweni kwezigaba ezimbili. Indlela yokuxhumanisa ngochungechunge ivame ukusetshenziswa ezimweni lapho isivinini semoto siphezulu khona, futhi ugesi wokukhipha womshayeli odingekayo uphindwe izikhathi ezingu-0.7 zogesi wesigaba semoto, ngakho-ke ukushisa kwemoto kuncane; indlela yokuxhumanisa ngokuhlanganyela ivame ukusetshenziswa ezimweni lapho isivinini semoto siphezulu khona (eyaziwa nangokuthi indlela yokuxhumanisa ngesivinini esikhulu), futhi ugesi wokukhipha womshayeli odingekayo uphindwe izikhathi ezingu-1.4 zogesi wesigaba semoto, ngakho-ke ukufudumala kwemoto kukhulu.
12. Ungawuthola kanjani ugesi we-DC we-stepper motor driver?
A. Ukunqunywa kwamandla kagesi
I-voltage yokunikezwa kwamandla kagesi yomshayeli we-Hybrid stepper motor ngokuvamile ibanzi (njenge-voltage yokunikezwa kwamandla kagesi ye-IM483 engu-12 ~ 48VDC), i-voltage yokunikezwa kwamandla kagesi ivame ukukhethwa ngokuya ngesivinini sokusebenza kwemoto kanye nezidingo zokuphendula. Uma isivinini sokusebenza kwemoto siphezulu noma isidingo sokuphendula sishesha, khona-ke inani le-voltage nalo liphezulu, kodwa naka ukugeleza kwe-voltage yokunikezwa kwamandla kagesi ayikwazi ukudlula i-voltage yokufaka ephezulu yomshayeli, ngaphandle kwalokho umshayeli angase alimale.
B. Ukunqunywa kwamanje
Ugesi wamanje uvame ukunqunywa ngokuya ngogesi wesigaba sokuphuma I somshayeli. Uma kusetshenziswa ugesi oqondile, ugesi wamanje ungaba izikhathi ezingu-1.1 kuya ku-1.3 ze-I. Uma kusetshenziswa ugesi oshintshayo, ugesi wamanje ungaba izikhathi ezingu-1.5 kuya ku-2.0 ze-I.
13. Kungaphansi kwaziphi izimo lapho isignali engaxhunyiwe ku-inthanethi isetshenziswa khona ngokujwayelekile ngaphandle kokusebenzisa umshayeli we-hybrid stepping motor?
Uma isignali engaxhunyiwe ku-inthanethi i-FREE iphansi, ukuphuma kwamanje okuvela kumshayeli kuya kumoto kuyanqanyulwa bese i-motor rotor isesimweni esikhululekile (isimo esingaxhunyiwe ku-inthanethi). Kweminye imishini yokwenza izinto ngokuzenzakalela, uma kudingeka ukuthi ujikelezise umgodi wemoto ngqo (ngesandla) lapho idrayivu ingasebenzi, ungasetha isignali EPHELELE ukuze ususe imoto ngaphandle kokuxhumeka futhi wenze umsebenzi noma ukulungiswa ngesandla. Ngemva kokuthi ukusebenza ngesandla sekuqediwe, setha isignali EPHELELE phezulu futhi ukuze uqhubeke nokulawula okuzenzakalelayo.
14. Iyiphi indlela elula yokulungisa indlela yokujikeleza kwenjini yokunyathela enezigaba ezimbili uma inikwe amandla?
Mane nje uvumelanise u-A+ no-A- (noma u-B+ no-B-) wezintambo zemoto nomshayeli.
15. Uyini umehluko phakathi kwama-motor e-hybrid stepper anezigaba ezimbili kanye nama-motor anezigaba ezinhlanu okusetshenziswa kuwo?
Impendulo Yombuzo:
Ngokuvamile, ama-motor anezigaba ezimbili anezingqimba ezinkulu zezinyathelo anezici ezinhle zesivinini esikhulu, kodwa kukhona indawo yokudlidliza enesivinini esiphansi. Ama-motor anezigaba ezinhlanu ane-engeli encane yesinyathelo futhi asebenza kahle ngesivinini esiphansi. Ngakho-ke, ekusebenzeni kwemoto, izidingo zokunemba ziphezulu, futhi ikakhulukazi esigabeni sesivinini esiphansi (ngokuvamile ngaphansi kuka-600 rpm) sesikhathi kufanele kusetshenziswe imoto enezigaba ezinhlanu; ngokuphambene nalokho, uma ukuphishekela ukusebenza kwesivinini esiphezulu kwemoto, ukunemba kanye nokushelela kwesenzakalo ngaphandle kwezidingo eziningi kakhulu kufanele kukhethwe ngezindleko eziphansi zama-motor anezigaba ezimbili. Ngaphezu kwalokho, i-torque yama-motor anezigaba ezinhlanu ivame ukuba ngaphezu kwe-2NM, ekusetshenzisweni kwe-torque encane, ama-motor anezigaba ezimbili avame ukusetshenziswa, kuyilapho inkinga yokushelela kwesivinini esiphansi ingaxazululwa ngokusebenzisa idrayivu ehlukanisiwe.
Isikhathi sokuthunyelwe: Septhemba 12-2024