Uhlalutyo lwesizathu sokufudumeza iimoto zeStepper

Isizathu sokuqala.

Enye yezona nzuzo zibalulekileyo zeiimoto ze-stepperlulawulo oluchanekileyo olunokufezekiswa kwinkqubo evulekileyo. Ulawulo oluvulekileyo luthetha ukuba akukho lwazi lwempendulo malunga nendawo (yerotha) olufunekayo.

Olu lawulo luthintela ukusetyenziswa kwee-sensors ezibizayo kunye nezixhobo zempendulo ezifana nee-optical encoders, kuba kuphela ii-input stepping pulses ekufuneka zilandelwe ukuze kwaziwe indawo ye-(rotor). Kutshanje, abanye abathengi baye baxelela iinjineli zethu zeemoto zaseShangshe ukuba ii-stepper motors nazo zinengxaki yobushushu, ngoko ke singayisombulula njani le meko? 

1, nciphisaimoto ye-stepperUbushushu, ukunciphisa ubushushu kukunciphisa ukulahleka kobhedu kunye nokulahleka kwesinyithi. Ukunciphisa ukulahleka kobhedu kumacala amabini, ukunciphisa i-yin kunye nomsinga wombane, nto leyo efuna ukukhethwa kokumelana okuncinci kunye nomlinganiselo wombane omncinci kangangoko kunokwenzeka xa i-motor, i-motor ye-stepper yesigaba esibini, ingasetyenziswa kwi-motor yochungechunge hayi kwi-motor ehambelanayo, kodwa oku kudla ngokuchasana neemfuno ze-torque kunye nesantya esiphezulu.

2, kuba i-motor ikhethiwe, kufuneka isebenzise ngokupheleleyo umsebenzi wolawulo lwe-half-current oluzenzekelayo lwe-drive kunye nomsebenzi we-offline, owokuqala uyawunciphisa ngokuzenzekelayo umbane xa i-motor iphumle, owokugqibela uyawunqumla nje umbane.

3, ukongeza, i-subdivision stepper motor drive ngenxa ye-current waveform isondele kwi-sinusoidal, i-harmonics encinci, ukufudumeza kwe-motor kuya kuba ncinci. Zimbalwa iindlela zokunciphisa ukulahleka kwentsimbi, inqanaba le-voltage linxulumene nayo, i-high voltage drive motor nangona iya kuzisa ukwanda kweempawu zesantya esiphezulu, kodwa ikwazisa ukwanda kokuveliswa kobushushu. 

4, kufuneka ukhethe inqanaba elifanelekileyo le-voltage yemoto yokuqhuba, kuthathelwa ingqalelo ibhendi ephezulu, ukugudama kunye nobushushu, ingxolo kunye nezinye izalathisi.

Isizathu sesibini.

Nangona ubushushu be-Stepper motor ngokubanzi abuchaphazeli ubomi be-motor, uninzi lwabathengi akufuneki banikele ingqalelo. Kodwa ngokwenene kuya kuzisa iziphumo ezimbi. Njengomlinganiselo wokwandiswa kobushushu bangaphakathi be-stepper motor kwinxalenye nganye yotshintsho loxinzelelo lwesakhiwo kunye notshintsho oluncinci kwisithuba somoya wangaphakathi, kuya kuchaphazela impendulo eguquguqukayo ye-stepper motor, isantya esiphezulu siya kuba lula ukulahlekelwa sisinyathelo. Omnye umzekelo kukuba ezinye izihlandlo azivumeli ukuveliswa kobushushu obugqithisileyo bee-stepper motors, njengezixhobo zonyango kunye nezixhobo zovavanyo oluchanekileyo. Ke ngoko, ubushushu be-stepper motor kufuneka bube yimfuneko ukulawula. Ubushushu be-motor bubangelwa zezi zinto.

1, iseti yangoku ngumqhubi inkulu kuneyangoku elinganisiweyo yemoto

2, isantya semoto sikhawuleza kakhulu

3, i-motor ngokwayo ine-inertia enkulu kunye ne-positioning torque, ngoko ke nokusebenza ngesantya esiphakathi kuya kuba shushu, kodwa akuchaphazeli ubomi be-motor. I-demagnetization point ye-motor kwi-130-200 ℃, ngoko ke i-motor kwi-70-90 ℃ yinto eqhelekileyo, logama nje ingaphantsi kwe-130 ℃ ngokubanzi ayinangxaki, ukuba uziva ushushu kakhulu, i-drive current isethwe malunga ne-70% yamandla e-motor alinganisiweyo okanye isantya se-motor ukunciphisa ezinye.

Isizathu sesithathu.

I-Stepper motor njengesixhobo sedijithali esiqhubayo, isetyenziswa kakhulu kwinkqubo yokulawula intshukumo. Abasebenzisi abaninzi kunye nabahlobo ekusebenziseni ii-stepper motors, bavakalelwa kukuba i-motor isebenza ngobushushu obukhulu, banamathandabuzo, abazi ukuba le nto iqhelekile na. Enyanisweni, ubushushu yinto eqhelekileyo kwii-stepper motors, kodwa lingakanani iqondo lobushushu elithathwa njengeliqhelekileyo, kwaye ungalinciphisa njani ubushushu be-stepper motor?

 

Oku kulandelayo senza ulwahlulo olulula, ngethemba lokuba umsebenzi wokwenyani wezicelo ezisebenzayo:.

Umgaqo wokufudumeza imoto o-1

Sihlala sibona zonke iintlobo zeemoto, i-internal core kunye ne-winding coil. I-winding inokumelana, i-energized iya kuvelisa ilahleko, ubungakanani bokulahleka kunye nokumelana kunye ne-current squared ngokulinganisela ilahleko, edla ngokubizwa ngokuba yi-copper loss, ukuba i-current ayisiyo i-DC eqhelekileyo okanye i-sine wave, kodwa ikwayi-harmonic loss; i-core ine-hysteresis effect eddy current, kwi-alternating magnetic field nayo iya kuvelisa ilahleko, ubungakanani bezinto, i-current, i-frequency, i-voltage, ebizwa ngokuba yi-iron loss. I-copper loss kunye ne-iron loss ziya kubonakala ngendlela yobushushu, ngaloo ndlela zichaphazela ukusebenza kakuhle kwemoto. Ii-Stepper motors ngokubanzi zilandela ukuchaneka kokubeka kunye ne-torque output, ukusebenza kakuhle kuphantsi, i-current ngokubanzi inkulu, kwaye ii-harmonic components eziphezulu, i-current alternation nayo iyahluka ngesantya, kwaye ngaloo ndlela ii-stepper motors ngokubanzi zinobushushu, kwaye imeko imbi kakhulu kune-AC motor ngokubanzi.

Iimoto ezimbini ze-stepper ubushushu obufanelekileyo

Ubungakanani bokwenziwa kobushushu bemoto obuvunyelweyo buxhomekeke kakhulu kwinqanaba lokufakelwa kwangaphakathi kwemoto. Ukufakelwa kwangaphakathi kuya kutshatyalaliswa kuphela xa amaqondo obushushu aphezulu (angaphezulu kwe-130 degrees). Ngoko ke, ukuba ingaphakathi ayidluli kwi-130 degrees, imoto ayiyi konakalisa iringi, kwaye amaqondo obushushu obuphezulu aya kuba ngaphantsi kwe-90 degrees ngelo xesha. Ke ngoko, amaqondo obushushu obuphezulu bemoto ye-stepper kwi-70-80 degrees aqhelekile. Indlela elula yokulinganisa ubushushu eluncedo kwi-point thermometer, unokufumanisa ngokucacileyo: ngesandla ingachukumisa ngaphezu kwe-1-2 imizuzwana, kungabi ngaphezu kwe-60 degrees; ngesandla ingachukumisa kuphela, malunga ne-70-80 degrees; amaconsi ambalwa amanzi akhawuleza anyibilike, angaphezulu kwe-90 degrees.

Ukufudumeza iimoto ezi-3 ze-stepper kunye notshintsho lwesantya

Xa kusetyenziswa iteknoloji yokuqhuba umbane oqhubekayo, i-stepper motor kwisantya esingaguqukiyo nesiphantsi, umbane uya kuhlala ungaguquki ukugcina umbane ophumayo oqhubekayo. Xa isantya siphezulu ukuya kwinqanaba elithile, amandla angaphakathi e-counter motor ayaphakama, umbane uya kwehla kancinci kancinci, kwaye umbane uya kwehla. Ke ngoko, imeko yokufudumeza ngenxa yokulahleka kobhedu iya kuxhomekeka kwisantya. Isantya esingaguqukiyo nesiphantsi ngokubanzi senza ubushushu obuphezulu, ngelixa isantya esiphezulu senza ubushushu obuphantsi. Kodwa utshintsho lokulahleka kwesinyithi (nangona luncinci) alufani, kwaye ubushushu bemoto bubonke buyimbumba yezi zimbini, ngoko ke oku kungasentla yimeko eqhelekileyo kuphela.

4 ubushushu obubangelwa yimpembelelo

Nangona ubushushu bemoto ngokubanzi bungachaphazeli ubomi bemoto, uninzi lwabathengi akufuneki banikele ingqalelo kubo. Kodwa ngokwenene kuya kuzisa impembelelo embi. Ezifana nee-coefficients ezahlukeneyo zokwandiswa kobushushu kwiindawo zangaphakathi zemoto zikhokelela kutshintsho kuxinzelelo lwesakhiwo kunye notshintsho oluncinci kumsantsa womoya wangaphakathi, ziya kuchaphazela impendulo eguqukayo yemoto, isantya esiphezulu siya kuba lula ukulahlekelwa sisantya. Omnye umzekelo kukuba ezinye izihlandlo azivumeli ubushushu obugqithisileyo bemoto, njengezixhobo zonyango kunye nezixhobo zovavanyo oluchanekileyo. Ke ngoko, ukuveliswa kobushushu bemoto kufuneka kulawulwe njengoko kufuneka.

 5 Indlela yokunciphisa ubushushu bemoto

Ukunciphisa ukuveliswa kobushushu, kukunciphisa ukulahleka kobhedu kunye nokulahleka kwesinyithi. Ukunciphisa ukulahleka kobhedu kwiindlela ezimbini, ukunciphisa ukumelana kunye nombane, nto leyo efuna ukukhethwa kokumelana okuncinci kunye nomlinganiselo wamandla ombane omncinci kangangoko kunokwenzeka xa imoto, imoto yesigaba esibini, ingasebenzisa imoto ngokulandelelana ngaphandle kwemoto ehambelanayo. Kodwa oku kudla ngokuchasana neemfuno ze-torque kunye nesantya esiphezulu. Kwimoto ekhethiweyo, umsebenzi wolawulo lwe-half-current oluzenzekelayo lwe-drive kunye nomsebenzi ongaxhunyiwe kwi-intanethi kufuneka usetyenziswe ngokupheleleyo, owokuqala unciphisa ngokuzenzekelayo umbane xa imoto iphumle, kwaye owokugqibela unqumla nje umbane. Ukongeza, i-division drive, ngenxa yokuba i-current waveform ikufutshane ne-sinusoidal, i-harmonics encinci, ukufudumeza kwemoto nako kuya kuba ncinci. Zimbalwa iindlela zokunciphisa ukulahleka kwesinyithi, kwaye inqanaba le-voltage linxulumene nayo. Nangona imoto eqhutywa yi-voltage ephezulu iya kuzisa ukwanda kweempawu zesantya esiphezulu, ikwazisa ukwanda kokuveliswa kobushushu. Ngoko ke kufuneka ukhethe inqanaba le-drive voltage elifanelekileyo, kuthathelwa ingqalelo isantya esiphezulu, ukuguda kunye nobushushu, ingxolo kunye nezinye izalathisi.

Kuzo zonke iintlobo zeemoto ze-stepper, ingaphakathi lenziwe yi-iron core kunye ne-winding coil. I-winding inokumelana, amandla aya kuvelisa ilahleko, ubungakanani belahleko buhambelana nesikwere sokumelana kunye nomsinga, odla ngokubizwa ngokuba yi-copper meteor, ukuba umsinga awungowomgangatho we-DC okanye i-sine wave, kodwa ulahlekelwa yi-harmonic; i-core ine-hysteresis effect eddy current, kwintsimi yemagnethi etshintshanayo nayo iya kuvelisa ilahleko, ubungakanani bezinto, umsinga, i-frequency, i-voltage, ebizwa ngokuba yi-iron loss. Ilahleko ye-copper kunye ne-iron loss ziya kubonakala ngendlela yobushushu, ngaloo ndlela zichaphazela ukusebenza kakuhle kwemoto. Iimoto ze-Stepper ngokubanzi zilandela ukuchaneka kokubeka kunye ne-torque output, ukusebenza kakuhle kuphantsi, umsinga ngokubanzi mkhulu, kwaye iindawo eziphezulu ze-harmonic, i-frequency ye-current alternation nayo iyahluka ngokwesantya, kwaye ngaloo ndlela iimoto ze-stepper ngokubanzi zinobushushu, kwaye imeko imbi kakhulu kunemoto ye-AC ngokubanzi.