Stepper motor ukufudumeza kubangela uhlalutyo

Isizathu esinye.

Enye yezona nzuzo zinentsingiselo yeiinjini zokunyathelalulawulo oluchanekileyo olunokuthi luphunyezwe kwindlela evulekileyo yelophu. Ulawulo lwe-loop evulekileyo luthetha ukuba akukho lwazi lwengxelo malunga nesikhundla (i-rotor) efunekayo.

Olu lawulo luthintela ukusetyenziswa kwezixhobo zoluvo ezibizayo kunye nezixhobo zempendulo njengeencoder zamehlo, kuba kuphela igalelo lokunyathela iipulse kufuneka lilandelelwe ukwazi indawo ye (rotor). Kutshanje, abanye abathengi baye babonakalisa kwiinjineli zethu zeemoto ze-Shangshe ukuba ii-motor stepper zikwathanda iingxaki zobushushu, ngoko ke ungayicombulula njani le meko? 

1, ukunciphisai-motor ye-stepperukushisa, ukunciphisa ubushushu kukunciphisa ilahleko yobhedu kunye nokulahleka kwentsimbi. Ukunciphisa ilahleko yobhedu kumacala amabini, ukunciphisa i-yin yombane kunye nekhoyo ngoku, efuna ukukhethwa kokuchasana okuncinci kunye nokulinganiswa kwangoku njengento encinci njengoko kunokwenzeka xa i-motor, i-motor-motor stepper motor, ingasetyenziselwa kwi-motor series engahambelani ne-motor, kodwa oku kudla ngokuphikisana neemfuno ze-torque kunye nesantya esiphezulu.

I-2, kuba i-motor ikhethiwe, kufuneka isebenzise ngokupheleleyo umsebenzi wolawulo oluzenzekelayo wesiqingatha-yangoku kunye nomsebenzi ongekho kwi-intanethi, yangaphambili iyanciphisa ngoku ngokuzenzekelayo xa i-motor iphumle, le yokugqibela iqhawule ngoku.

I-3, ukongeza, ukwahlulahlula i-stepper motor drive ngenxa ye-waveform yangoku isondele kwi-sinusoidal, i-harmonics encinci, ukufudumeza kwemoto kuya kuba ngaphantsi. Kukho iindlela ezimbalwa zokunciphisa ilahleko yentsimbi, inqanaba lombane linxulumene nayo, i-high voltage drive motor nangona iya kuzisa ukonyuka kweempawu zesantya esiphezulu, kodwa kuzisa ukonyuka kokuveliswa kobushushu. 

I-4, kufuneka ikhethe inqanaba lombane wemoto efanelekileyo, kuthathelwa ingqalelo ibhendi ephezulu, ukuguda kunye nobushushu, ingxolo kunye nezinye izikhombisi.

Isizathu sesibini.

Ubushushu bemoto yeStepper nangona ngokuqhelekileyo abuchaphazeli ubomi bemoto, kuba abathengi abaninzi akufuneki banikele ingqalelo. Kodwa ngokunzulu kuya kuzisa imiphumo emibi. Okufana ne-stepper motor yangaphakathi yokwandiswa kwe-thermal coefficient yecandelo ngalinye lokutshintsha koxinzelelo lwesakhiwo kunye notshintsho oluncinci kwi-gap yomoya yangaphakathi, iya kuchaphazela impendulo eguquguqukayo ye-motor stepper, isantya esiphezulu siya kuba lula ukuphulukana nenyathelo. Omnye umzekelo ngowokuba ezinye izihlandlo azivumeli ukuveliswa kobushushu obugqithisileyo beenjini ze-stepper, njengezixhobo zonyango kunye nezixhobo zovavanyo ezichanekileyo. Ngoko ke, ukushisa kwe-stepper motor kufuneka kube yimfuneko ukulawula. Ubushushu bemoto bubangelwa yile miba.

I-1, iseti yangoku ngumqhubi inkulu kunomlinganiselo olinganisiweyo wemoto

2, isantya semoto sikhawuleza kakhulu

I-3, i-motor ngokwayo ine-inertia enkulu kunye ne-torque yokubeka, ngoko ke kunye nokusebenza kwesantya esiphakathi kuya kushushu, kodwa akuchaphazeli ubomi bemoto. Indawo ye-demagnetization ye-motor kwi-130-200 ℃, ngoko ke i-motor kwi-70-90 ℃ yinto eqhelekileyo, ukuba ngaphantsi kwe-130 ℃ ayikho ingxaki ngokubanzi, ukuba uziva ushushu kakhulu, i-drive yangoku isetelwe malunga ne-70% ye-motor yangoku okanye isantya semoto ukunciphisa ezinye.

Isizathu sesithathu.

I-Stepper motor njengesixhobo sokwenza idijithali, isetyenziswe ngokubanzi kwinkqubo yokulawula intshukumo. Abasebenzisi abaninzi kunye nabahlobo ekusebenziseni i-motor stepper, bavakalelwa kukuba i-motor isebenza ngokutshisa okukhulu, banokuthandabuza, abazi ukuba le nto iyinto eqhelekileyo. Enyanisweni, ubushushu buyinto eqhelekileyo yeenjini ze-stepper, kodwa yiyiphi iqondo lokushisa elithathwa njengesiqhelo, kunye nendlela yokunciphisa ukushisa kwe-stepper motor?

 

Oku kulandelayo senza ulwahlulo olulula, ngethemba kowona msebenzi wokwenza izicelo:.

1 umgaqo wokufudumeza imoto

Sihlala sibona zonke iintlobo zeenjini, i-core yangaphakathi kunye ne-coil ejikelezayo. Ukujija kunokumelana, amandla aya kuvelisa ilahleko, ubungakanani belahleko kunye nokuchasana kunye nomlinganiso wangoku ophindwe kabini kwilahleko, edla ngokubizwa ngokuba yilahleko yobhedu, ukuba i-current ayiyona i-DC okanye i-sine wave, kodwa ilahleko ye-harmonic; Undoqo unempembelelo yangoku ye-hysteresis eddy, kwindawo etshintshanayo yamagnetic iya kuvelisa ilahleko, ubungakanani bento, yangoku, i-frequency, voltage, ebizwa ngokuba yilahleko yentsimbi. Ukulahleka kobhedu kunye nokulahleka kwentsimbi kuya kubonakaliswa ngendlela yokushisa, ngaloo ndlela kuchaphazela ukusebenza kakuhle kwemoto. Iimotor ze-Stepper ngokubanzi zilandela ukuchaneka kokubeka kunye nokuphuma kwetorque, ukusebenza kakuhle kuphantsi, okukhoyo ngokubanzi kukhulu, kunye nezinto ezihambelanayo eziphezulu, ukuphindaphindwa kokutshintshana kwangoku kuyahluka kunye nesantya, kwaye ngenxa yoko iimotor ezinyathelayo zinobushushu, kwaye imeko imbi ngakumbi kunemoto ye-AC ngokubanzi.

2 steper motor ubushushu uluhlu olufanelekileyo

Ubungakanani bokuvunyelwa kokuveliswa kobushushu bemoto kuxhomekeke kakhulu kwinqanaba lokufakwa ngaphakathi kwemoto. I-insulation yangaphakathi iya kutshatyalaliswa kuphela kwiqondo lokushisa eliphezulu (ngaphezu kwe-130 degrees). Ngoko nje ukuba yangaphakathi ayidluli kwii-degrees ze-130, i-motor ayiyi kulimaza i-ring, kwaye ukushisa kwendawo kuya kuba ngaphantsi kwe-90 degrees ngelo xesha. Ke ngoko, ubushushu bomgangatho we-motor stepper kuma-70-80 degrees buqhelekile. Indlela elula yokulinganisa iqondo lobushushu eluncedo iqondo lobushushu, ungaphinda ugqibe ngokurhabaxa: ngesandla unokuchukumisa ngaphezu kwemizuzwana eyi-1-2, hayi ngaphezulu kwama-60 degrees; ngesandla sinokuchukumisa kuphela, malunga nama-70-80 degrees; amathontsi ambalwa amanzi ngokukhawuleza umphunga, kuba ngaphezu 90 degrees

Ukufudumeza kwe-3 stepper motor kunye nokutshintsha kwesantya

Xa usebenzisa itekhnoloji yokuqhubela phambili ngokuqhubekayo, i-motor stepper kwi-static kunye nesantya esiphantsi, yangoku iya kuhlala ingaguquki ukugcina imveliso ye-torque rhoqo. Xa isantya siphezulu ukuya kwinqanaba elithile, amandla angaphakathi e-motor counter ayenyuka, i-current iya kuhla ngokuthe ngcembe, kwaye i-torque nayo iya kuhla. Ngoko ke, imeko yokufudumala ngenxa yokulahleka kobhedu iya kuxhomekeka kwisantya. Isantya esimileyo nesisezantsi sivelisa ubushushu obuphezulu, ngelixa isantya esiphezulu sivelisa ubushushu obuphantsi. Kodwa ilahleko yentsimbi (nangona umlinganiselo omncinci) utshintsho alufani, kwaye ubushushu bemoto buphela sisixa sesibini, ngoko ke oku ngasentla kuphela yimeko eqhelekileyo.

4 ubushushu obuziswe yimpembelelo

Nangona ubushushu bemoto bungachaphazeli ubomi bemoto, uninzi lwabathengi akufuneki bathathele ingqalelo. Kodwa ngokunzulu kuya kuzisa impembelelo embi. Njengama-coefficients ahlukeneyo okwandiswa kwe-thermal yeendawo zangaphakathi zemoto zikhokelela ekutshintsheni uxinzelelo lwesakhiwo kunye neenguqu ezincinci kwi-gap yangaphakathi yomoya, iya kuchaphazela impendulo eguquguqukayo yemoto, i-high-speed iya kuba lula ukulahlekelwa yisantya. Omnye umzekelo kukuba ezinye izihlandlo azikuvumeli ukushisa okugqithisileyo kwemoto, njengezixhobo zonyango kunye nezixhobo zokuvavanya ezichanekileyo. Ngoko ke, ukuveliswa kobushushu bemoto kufuneka kulawulwe njengoko kuyimfuneko.

 5 Indlela yokunciphisa ubushushu bemoto

Ukunciphisa ukuveliswa kobushushu, kukunciphisa ilahleko yobhedu kunye nokulahleka kwentsimbi. Ukunciphisa ukulahleka kobhedu kumacala amabini, ukunciphisa ukuchasana kunye nokukhoyo, okudinga ukukhethwa kokuchasana okuncinci kunye nokulinganisa okwangoku njengento encinci xa i-motor, i-motor-phase-motor, ingasebenzisa i-motor kwi-series ngaphandle kwe-motor parallel. Kodwa oku kuhlala kuphikisana neemfuno zetorque kunye nesantya esiphezulu. Kwimoto ekhethiweyo, i-drive ye-othomathikhi yesiqingatha-yangoku yokulawula umsebenzi kunye nomsebenzi ongekho kwi-intanethi kufuneka isetyenziswe ngokupheleleyo, yangaphambili iyayinciphisa ngokuzenzekelayo yangoku xa i-motor iphumle, kwaye le yokugqibela inqumla ngoku. Ukongeza, ulwahlulo lwe-drive, ngenxa yokuba i-waveform yangoku isondele kwi-sinusoidal, i-harmonics encinci, ukufudumeza kweemoto kuya kuba ngaphantsi. Kukho iindlela ezimbalwa zokunciphisa ilahleko yentsimbi, kwaye inqanaba lombane linxulumene nalo. Nangona i-motor eqhutywa ngamandla ombane aphezulu iza kuzisa ukonyuka kweempawu zesantya esiphezulu, ikwazisa ukonyuka kokuveliswa kobushushu. Ke kufuneka ukhethe inqanaba lombane elifanelekileyo lokuqhuba, uthathela ingqalelo isantya esiphezulu, ukuguda kunye nobushushu, ingxolo kunye nezinye izikhombisi.

Kuzo zonke iintlobo zeenjini ze-stepper, ingaphakathi lenziwe ngondoqo wentsimbi kunye nekhoyili ejikelezayo. Ukujija kunokumelana, amandla aya kuvelisa ilahleko, ubungakanani belahleko bulingana nesikwere sokuchasa kunye nesangoku, esihlala sibizwa ngokuba yimeteor yobhedu, ukuba i-current ayifani ne-DC okanye i-sine wave, kodwa ilahleko ye-harmonic; Undoqo unempembelelo yangoku ye-hysteresis eddy, kwindawo etshintshanayo yamagnetic iya kuvelisa ilahleko, ubungakanani bento, yangoku, i-frequency, voltage, ebizwa ngokuba yilahleko yentsimbi. Ukulahleka kobhedu kunye nokulahleka kwentsimbi kuya kubonakaliswa ngendlela yokushisa, ngaloo ndlela kuchaphazela ukusebenza kakuhle kwemoto. Iimotor ze-Stepper ngokubanzi zilandela ukuchaneka kokubeka kunye nokuphuma kwetorque, ukusebenza kakuhle kuphantsi, okukhoyo ngokubanzi kukhulu, kunye nezinto ezihambelanayo eziphezulu, ukuphindaphindwa kokutshintshana kwangoku kuyahluka kunye nesantya, kwaye ngenxa yoko iimotor ezinyathelayo zinobushushu, kwaye imeko imbi ngakumbi kunemoto ye-AC ngokubanzi.