Tlhahiso ea lihlahisoa
Mohlala oa pele oa mochini oa stepper o qalile ho elella bofelong ba lilemo tsa bo-1930 ho tloha ka 1830 ho isa ho 1860. Ka nts'etsopele ea lisebelisoa tse sa feleng tsa makenete le thekenoloji ea semiconductor, enjene ea stepper e ile ea ntlafala kapele le ho hola.Ho elella bofelong ba lilemo tsa bo-1960, Chaena e ile ea qala ho etsa lipatlisiso le ho etsa li-motors tsa stepper.Ho tloha ka nako eo ho fihlela bofelong ba lilemo tsa bo-1960, e ne e le palo e nyane haholo ea lihlahisoa tse entsoeng ke liunivesithi le litsi tsa lipatlisiso ho ithuta lisebelisoa tse ling.Ke mathoasong a lilemo tsa bo-1970 feela moo ho ileng ha atleha tlhahisong le lipatlisisong.Ho tloha bohareng ba lilemo tsa bo-70 ho isa bohareng ba lilemo tsa bo-1980, e ile ea kena sethaleng sa nts'etsopele, 'me lihlahisoa tse sa tšoaneng tse sebetsang hantle li ne li tsoela pele ho ntlafatsoa.Ho tloha bohareng ba lilemo tsa bo-1980, ka lebaka la nts'etsopele le nts'etsopele ea li-motor hybrid stepper motors, theknoloji ea li-motor tsa China tsa hybrid stepper, ho kenyeletsoa theknoloji ea 'mele le theknoloji ea ho khanna, butle-butle e ile ea atamela boemo ba liindasteri tsa linaheng tse ling.Mefuta e fapaneng ea li-hybrid stepper motors Lisebelisoa tsa lihlahisoa tsa bakhanni ba tsona lia eketseha.
Joaloka actuator, stepper motor ke e 'ngoe ea lihlahisoa tsa bohlokoa tsa mechatronics' me e sebelisoa haholo lisebelisoa tse fapaneng tsa boiketsetso.Enjene e hatang ke sesebelisoa sa taolo ea loop e bulehileng e fetolang mats'oao a motlakase hore e be phallo ea li-angular kapa linear.Ha mokhanni ea hatang a fumana lets'oao la pulse, e khanna motor ho potoloha angle e tsitsitseng (ke hore, stepping angle) ka lehlakoreng le behiloeng.Ho falla ha angular ho ka laoloa ka ho laola palo ea li-pulses, e le ho finyella morero oa ho beha maemo ka nepo.Hybrid stepper motor ke stepper motor e entsoeng ka ho kopanya melemo ea makenete e sa feleng le e sebetsang.E arotsoe ka mekhahlelo e 'meli, mekhahlelo e meraro le mekhahlelo e mehlano.Mohato oa mekhahlelo e 'meli hangata ke likhato tse 1.8.Lekhalo la mehato e meraro hangata ke likhato tse 1.2.

Kamoo e sebetsang kateng
Sebopeho sa enjene ea hybrid stepper se fapane le ea mochini o sebetsang oa stepper.Stator le rotor ea hybrid stepper motor kaofela li kopantsoe, athe stator le rotor ea hybrid stepper motor li arotsoe likarolo tse peli joalo ka ha ho bonts'itsoe setšoantšong se ka tlase.Meno a manyenyane a boetse a ajoa holim'a metsi.
Li-slots tse peli tsa stator li behiloe hantle, 'me li-winding li hlophisitsoe ho tsona.Ho bontšitsoe ka holimo ke li-motor tsa mekhahlelo e 4, tseo 1, 3, 5, le 7 e leng lipalo tsa makenete tse tsoelipanang le A-phase, le 2, 4, 6, le 8 ke lipalo tsa makenete tse tsoelipanang le karolo ea B.Likarolo tse haufi tsa poleiti ea makenete tsa mohato ka mong li hokahanngoa ka mahlakoreng a fapaneng ho hlahisa potoloho e koetsoeng ea makenete joalo ka ha ho bonts'itsoe ho x le y setšoantšong se kaholimo.
Boemo ba karolo ea B bo tšoana le ba mohato oa A. Li-slots tse peli tsa rotor li sisinyeha ka halofo ea molumo (sheba Setšoantšo sa 5.1.5), 'me bohareng bo kopantsoe ke tšepe e sa feleng ea makenete e nang le sebōpeho sa lesale.Meno a likarolo tse peli tsa rotor a na le lipalo tse fapaneng tsa makenete.Ho latela molao-motheo o ts'oanang oa enjene e sebetsang, ha feela enjene e matlafalitsoe ho latela tatellano ea ABABA kapa ABABA, enjene ea stepper e ka tsoela pele ho bilika ho ea ka nako ea oache kapa ho ea ka oache.
Ho totobetse hore meno 'ohle a karolong e le' ngoe ea li-rotor blades a na le polarity e tšoanang, athe polarities ea likarolo tse peli tsa rotor tsa likarolo tse fapaneng li fapane.Phapang e kholo lipakeng tsa hybrid stepper motor le reactive stepper motor ke hore ha mabone a sa feleng a makenete a se a felile, ho tla ba le sebaka sa oscillation le sebaka sa ho tsoa.
Rotor ea hybrid stepper motor e na le matla a khoheli, kahoo torque e hlahisoang ka tlas'a stator ea hona joale e kholo ho feta ea mochine o sebetsang oa stepper, 'me mohato oa eona hangata o monyenyane.Ka hona, lisebelisoa tsa mochini oa CNC tsa moruo hangata li hloka hybrid Stepper motor drive.Leha ho le joalo, rotor e nyalisitsoeng e na le sebopeho se rarahaneng le rotor inertia e kholo, 'me lebelo la eona le tlaase ho feta la mochine o sebetsang oa stepper.

Tlhophiso ea sebopeho le koloi
Ho na le bahlahisi ba bangata ba malapeng ba li-motors tsa stepper, 'me melao-motheo ea bona ea ho sebetsa e tšoana.Se latelang se nka enjene ea hybrid stepper motor 42B Y G2 50C le mokhanni oa eona SH20403 e le mohlala ho hlahisa sebopeho le mokhoa oa ho khanna oa hybrid stepper motor.[2]
Mohaho oa motlakase oa mekhahlelo e 'meli oa hybrid stepper
Tsamaisong ea indasteri, mohaho o nang le meno a manyenyane holim'a lipalo tsa stator le palo e kholo ea meno a rotor joalokaha ho bontšitsoe setšoantšong sa 1 e ka sebelisoa, 'me mohato oa eona oa mohato o ka etsoa o monyenyane haholo.Setšoantšo sa 1 bobeli

Sets'oants'o sa sebopeho sa enjene ea "phase hybrid stepping motor", le sets'oants'o sa lithapo tsa mothapo o kenang setšoantšong sa 2, mapheo a mekhahlelo e 'meli ea A le B a arotsoe ka tsela ea radial, 'me ho na le lipalo tse 8 tse hlahelletseng. selikalikoe sa stator.Lipalo tse 7 tsa makenete ke tsa A-phase winding, 'me lipalo tsa 2, 4, 6, le 8 tsa makenete ke tsa B-phase matsoelintsoeke.Ho na le meno a 5 holim'a palo e 'ngoe le e' ngoe ea stator, 'me ho na le mapheo a taolo holim'a 'mele oa palo.Rotor e na le tšepe e bopehileng joaloka lesale le likarolo tse peli tsa li-cores tsa tšepe.Tšepe ea makenete e bōpehileng joaloka lesale e na le makenete ka lehlakoreng la axial la rotor.Likarolo tse peli tsa li-cores tsa tšepe li kenngoa lipheletsong tse peli tsa tšepe ea makenete ka ho latellana, e le hore rotor e arotsoe ka lipalo tse peli tsa makenete ka tataiso ea axial.Meno a 50 a arotsoe ka ho lekana mokokotlong oa rotor.Meno a manyenyane likarolong tse peli tsa motheo a thekesela ke halofo ea molumo.Sebaka le bophara ba rotor e tsitsitseng li tšoana.

Ts'ebetso ea ho sebetsa ea mekhahlelo e 'meli ea hybrid stepping motor
Ha mapheo a mekhahlelo e 'meli a potoloha motlakase ka tatellano, ho felloa ke matla ho mohato o le mong feela, 'me li-beats tse' nè li etsa potoloho.Ha motlakase o fetisoa ka mokhoa oa ho laola, ho hlahisoa matla a magnetomotive, a sebetsanang le matla a magnetomotive a hlahisoang ke tšepe e sa feleng ea makenete ho hlahisa torque ea motlakase le ho etsa hore rotor e tsamaee ka mohato.Ha A-mohato matsoelintsoeke matla, S magnetic pole e hlahisoang ke matsoelintsoeke holim'a rotor N e feteletseng palo 1 hohela rotor N pole, e le hore magnetic pole 1 ke leino-to-leino, 'me matla a khoheli mela e lebisitsoe. ho tloha ho rotor N pole ho ea holim'a leino la pole ea magnetic 1, le palo ea magnetic 5 Tooth-to-tooth, lipalo tsa magnetic 3 le 7 ke leino-to-groove, joalokaha ho bontšitsoe setšoantšong sa 4.
图 A-phase energized rotor N e feteletseng ea stator rotor diagram.Hobane meno a manyenyane likarolong tse peli tsa mokokotlo oa rotor a sisinyehile ka halofo ea molumo, ho S pole ea rotor, S pole magnetic field e hlahisoang ke lipalo tsa magnetic 1 'le 5' e leleka S pole ea rotor, e leng hantle leino-to-slot le rotor, le palo 3 'Me karolo ea 7'tooth e hlahisa N-pole magnetic field, e hohelang S-pole ea rotor, e le hore meno a shebane le meno.Setšoantšo sa rotor N-pole le S-pole rotor balance ha mapheo a A-mohato a matlafatsoa a bontšoa ho Setšoantšo sa 3.

Hobane rotor e na le meno a 50 ka kakaretso, sekhahla sa eona sa molumo ke 360 ​​° / 50 = 7.2 °, 'me palo ea meno a nkiloeng ke palo e' ngoe le e 'ngoe ea palo ea stator hase palo e feletseng.Ka hona, ha karolo ea A ea stator e matlafatsoa, ​​​​pholo ea N ea rotor, le palo ea 1 Meno a mahlano a fapane le meno a rotor, 'me meno a mahlano a pole ea magnetic 2 ea mohato oa B a pota-potile meno a rotor a na le 1/4 pitch misalignment, ke hore, 1.8 °.Moo selikalikoe se huloang teng, meno a A-phase magnetic pole 3 le rotor e tla tlosoa sebakeng sa 3.6 °, 'me meno a tla lumellana le li-grooves.
Mohala oa matla a khoheli ke mokoloko o koetsoeng haufi le N-qetellong ea rotha → A (1) S magnetic pole → lesale la khoheli la khoheli → A (3 ') N pole ea khoheli → rotor S-end → rotor N-end.Ha karolo ea A e tima 'me karolo ea B e matlafatsoa, ​​​​poleko ea 2 ea magnetic e hlahisa N polarity,' me S pole rotor 7 meno a haufi le eona a hoheloa, e le hore rotor e potoloha 1.8 ° ho ea ka nako ho fihlela magnetic pole 2 le meno a rotor ho meno. , B Tsoelo-pele ea mohato oa meno a stator ea ho phalla ha mekhahlelo e bontšoa ho Setšoantšo sa 5, ka nako ena, poleiti ea magnetic 3 le meno a rotor a na le 1/4 pitch misalignment.
Ka papiso, haeba matla a ntse a tsoela pele ka tatellano ea li-beats tse 'nè, rotor e potoloha mohato ka mohato ka tsela ea clockwise.Nako le nako ha matla a etsoa, ​​​​mohatla o mong le o mong o potoloha ka 1.8 °, e bolelang hore sekhahla sa mohato ke 1.8 °, 'me rotor e potoloha hang E hloka 360 ° / 1.8 ° = 200 pulses (bona Figures 4 le 5).

Ho joalo le ka qetellong e feteletseng ea rotor S. Ha meno a tsoelipanang a le khahlanong le meno, palo ea khoheli ea karolo e le 'ngoe e haufi le eona e fapane ka 1,8 °.3 Mokhanni oa Stepper motor Mokhanni oa Stepper o tlameha ho ba le mokhanni le molaoli ho sebetsa ka mokhoa o tloaelehileng.Karolo ea mokhanni ke ho aba li-pulses tsa taolo ka selikalikoe le ho matlafatsa matla, e le hore mapheo a motlakase oa stepper a matlafatsoe ka tatellano e itseng ho laola ho potoloha ha motlakase.Mokhanni oa stepper motor 42BYG250C ke SH20403.Bakeng sa phepelo ea motlakase ea 10V ～ 40V DC, liteishene tsa A +, A-, B +, le B li tlameha ho hokeloa ho li-lead tse nne tsa enjene ea stepper.Li-terminals tsa DC + le DC li hokahantsoe le phepelo ea motlakase ea DC ea mokhanni.Potoloho ea sehokelo sa ho kenya e kenyelletsa terminal e tloaelehileng (hokela ho terminal e nepahetseng ea phepelo ea motlakase ea terminal)., Kenyelletso ea lets'oao la Pulse (kenya letoto la li-pulse, tse abetsoeng ka hare ho khanna mochini oa stepper A, B phase), ho kenya lets'oao la tataiso (ho ka lemoha ho potoloha ho nepahetseng le ho fosahetseng ha mochini oa stepper), ho kenya lets'oao le kantle ho marang-rang.
Benefitseedit
Enjene ea ho hatakela e nyalisitsoeng e arotsoe ka mekhahlelo e 'meli, mekhahlelo e meraro le mekhahlelo e mehlano: sekhahla sa ho hatakela sa mekhahlelo e' meli hangata ke likhato tse 1.8, 'me sekhahla sa mehato e mehlano hangata ke likhato tse 0.72.Ka ho eketseha ha sekhahla sa mohato, sekhahla sa mohato se fokotsehile, 'me ho nepahala ho ntlafatsoa.Enjene ena ea mohato e sebelisoa haholo.Li-motors tsa Hybrid stepper li kopanya melemo ea li-motor tse sebetsang le tse sa feleng tsa magnet stepper: palo ea lipara tsa pole e lekana le palo ea meno a rotor, a ka fapana ho ea ka mefuta e mengata kamoo ho hlokahalang;the matsoelintsoeke inductance fapana le
Phetoho ea boemo ba rotor e nyane, ho bonolo ho e fihlela taolo e nepahetseng ea ts'ebetso;axial magnetization magnetic circuit, e sebelisa lisebelisoa tse ncha tsa makenete tse sa feleng tse nang le sehlahisoa se phahameng sa matla a khoheli, e thusa ntlafatsong ea ts'ebetso ea makoloi;rotor magnetic tšepe e fana ka thabo;ha ho oscillation e hlakileng.[3]