Akụkụ ikuku n'etiti mgbata etiti waya, ma ọ bụ n'etiti waya abụọ (mgbe enweghị mgbata etiti).
Ntugharị akụkụ nke moto enweghị ibu, ebe akụkụ abụọ gbara agbata obi na-enwe obi ụtọ
Ọnụ ego nkestepper motoije na-aga n'ihu.
Oke kachasị elu nke ogwe ahụ nwere ike iguzogide na-enweghị ntụgharị na-aga n'ihu, ebe a na-ewepụ wires ndu.
Oke static torque na aro nke astepper motonwere obi ụtọ na ọkwa ugbu a nwere ike idi na-enweghị ntụgharị na-aga n'ihu.
Ọnụ ọgụgụ kachasị elu nke na-enwe obi ụtọ stepper moto nwere ụfọdụ ibu nwere ike ịmalite na enweghị desynchronizing.
Ọnụọgụ pulse kacha elu nke moto stepper nwere obi ụtọ na-anya ụfọdụ ibu nwere ike iru ma ghara idobe ya.
Oke kacha ike nke moto stepper nwere obi ụtọ nwere ike ịmalite n'ụkpụrụ usu ma na-eme ka ọ dịghị desynchronizing.
Oke kacha ike nke moto stepper chụpụrụ na ọnọdụ ndenye na ụfọdụ ọzịza pulse nwere ike iguzogide ma ọ nweghị desynchronizing.
Ọnụọgụ pulse dị nso nke moto stepper nwere ibu edebere nwere ike ibido, kwụsị ma ọ bụ na-atụ egwu, na-agaghịkwa agbanwe agbanwe.
Oke voltaji tụrụ n'ofe oge, mgbe ọ na-ebu ogwe moto na ọsọ ọsọ nke 1000 RPM mgbe niile.
Ọdịiche dị n'etiti usoro iwu na akụkụ agbakwunyere n'ezie (ọnọdụ).
Ọdịiche dị n'etiti usoro iwu na otu akụkụ nzọụkwụ n'ezie.
Ọdịiche dị n'etiti ọnọdụ nkwụsị maka CW na CCW.
Chopper mgbe niile mbanye sekit bụ ụdị draịva mode na-arụ ọrụ ka mma na ndị ọzọ ojiji ugbu a. The isi echiche bụ na ugbu a fim nke conductive frasi winding na-nọgidere n'agbanyeghị mastepper motonọ na steeti akpọchiri ma ọ bụ na-agba ọsọ na obere ma ọ bụ dị elu. BellowFigure bụ schematic eserese nke chopper mgbe niile ugbu a mbanye sekit, nke naanị otu na-adọ mbanye sekit na-egosi, na ọzọ phase bụ otu. The on-off nke usoro winding na-achịkwa ọnụ site na ịmafe tube VT1 na VT2. Ejikọtara emitter nke VT2 na nguzogide nlele R, na nrụgide nrụgide na nguzogide ahụ dabara na I nke ugbu a nke ikuku ikuku.
Mgbe njikwa usu UI dị na voltaji dị elu, a na-agbanye ma VT1 na VT2 tubes mgba ọkụ, na ọkụ dc na-enye ikuku. N'ihi mmetụta nke inductance nke winding, voltaji na nguzogide sample R na-abawanye nke nta nke nta. Mgbe uru nke voltaji Ua nyere gafere, onye comparator na-emepụta ọkwa dị ala, nke mere na ọnụ ụzọ ámá na-arụpụtakwa ọkwa dị ala. Ebipụrụ VT1 ma ebipụkwa ọkụ dc. Mgbe voltaji na nguzogide nlele R dị ala karịa nke enyere voltaji Ua, onye na-emekọ ihe na-emepụta ọkwa dị elu, ọnụ ụzọ ámá na-emepụtakwa ọkwa dị elu, VT1 na-agbanye ọzọ, na dc ike ọkọnọ na-amalite inye ike na winding ọzọ. Ugboro ugboro, a na-eme ka ihe dị ugbu a na ikuku ikuku na-akwụsi ike na uru nke Ua nyere voltaji kpebisiri ike.
Mgbe ị na-eji draịvụ voltaji mgbe niile, voltaji ọkọnọ ike dabara na voltaji nke moto a tụrụ atụ ma na-anọgide na-adịgide adịgide. draịva voltaji na-adị mgbe niile dị mfe ma dị ọnụ ala karịa draịva ugbu a mgbe niile, nke na-achịkwa voltaji ọkọnọ iji hụ na enyere moto ahụ ọkụ mgbe niile. Maka mbanye voltaji mgbe niile, nguzogide nke sekit mbanye ga-amachi oke ugbu a, na inductance nke moto ga-amachi ọsọ nke ugbu a na-ebili. Na obere ọsọ ọsọ, nguzogide bụ ihe na-egbochi ọgbọ ugbu a (na torque). The moto nwere ezigbo torque na n'ọnọdu akara na-agba ọsọ were were. Otú ọ dị, ka moto na-agba ọsọ na-abawanye, inductance na ugbu a ịrị elu oge na-amalite igbochi nke ugbu a iru ya lekwasịrị uru. Ọzọkwa, ka moto na-agba ọsọ na-abawanye, EMF azụ na-abawanye, nke pụtara na a na-eji voltaji na-enye ike karịa naanị iji merie voltaji EMF azụ. Ya mere, nnukwu mwepu nke mbanye voltaji mgbe niile bụ mbelata ngwa ngwa na torque a na-emepụta na obere ọsọ nke stepper moto.
A na-egosi sekit ịnya ụgbọ ala nke bipolar stepper moto na eserese 2. Ọ na-eji transistor asatọ na-ebugharị usoro abụọ. Sekit mbanye bipolar nwere ike ịnya moto stepper nwere waya anọ ma ọ bụ isii n'otu oge. Ọ bụ ezie na moto nwere waya anọ nwere ike iji sekit mbanye bipolar, ọ nwere ike belata ọnụ ahịa ngwa mmepụta ihe. Ọnụọgụ transistor dị na sekit mbanye bipolar stepping moto drive ji okpukpu abụọ karịa nke sekit mbanye unipolar. Ndị transistor anọ dị ala na-abụkarị microcontroller na-ebugharị ozugbo, na transistor nke elu chọrọ sekit mbanye elu dị elu. The transistor nke bipolar mbanye sekit kwesịrị iburu moto voltaji, ya mere ọ dịghị mkpa a mwekota sekit dị ka unipolar mbanye sekit.
Unipolar na bipolar bụ sekit mbanye a na-ejikarị eme ihe nke a na-eji moto steepụ. Sekit ịnya ụgbọ ala nke otu polar na-eji transistor anọ na-anya ụgbọ ala abụọ nke usoro nke nzọ ụkwụ, na usoro ikuku nke stator na-agụnye eriri igwe abụọ nwere taps etiti (mpịakọta etiti nke AC coil O, BD coil) Mgbatị etiti bụ m), na moto dum nwere ngụkọta ahịrị isii nwere njikọ mpụga. Akụkụ AC enweghị ike ịgba ume (BD ending), ma ọ bụghị ya, mmịkọ ndọta nke eriri igwe abụọ na-eme na ogwe ndọta na-akagbu ibe ha, ọ bụ naanị oriri ọla kọpa na-emepụta. N'ihi na ọ bụ naanị akụkụ abụọ (AC windings bụ otu akụkụ, BD winding bụ otu akụkụ), nkwupụta ziri ezi kwesịrị ịbụ waya isii nke abụọ (n'ezie, ugbu a enwere ahịrị ise ugbu a, ọ na-ejikọ ya na ahịrị ọha abụọ).
Otu-adọ, ike-na winding naanị otu nkeji, sequentially ịmafe na-adọ ugbu a na-amụba rotational nzọụkwụ n'akuku (iche eletriki igwe, 18 degrees 15 7.5 5, agwakọta moto 1.8 degrees na 0,9 degrees, ndị na-esonụ 1.8 degrees na-ezo aka na nke a excitation usoro, na nzaghachi nke ntughari n'akuku ọ bụla dị mfe na-abịarute n'akuku ọ bụrụ na nke ọ bụla na-ama jijiji n'akuku ọ bụla dị elu. mepụta ihe agabigala.
Abụọ-phase excitation: abụọ-phase ime otu oge mgbasa ugbu a, na-ejikwa a usoro nke ịmafe frasi iyi n'aka, nke abụọ-phase ike nzọụkwụ angle bụ 1.8 degrees, ngụkọta ugbu a nke abụọ nkeji bụ 2 ugboro, na kasị elu mmalite ugboro na-abawanye, nwere ike nweta High ọsọ, agbakwunyere, oke arụmọrụ.
1-2 Mmasị: Nke a bụ usoro nke ọzọ na-arụ ọrụ na-akpali akpali, nke abụọ na-akpali akpali, na-amalite ugbu a, abụọ ọ bụla na-agbanwe mgbe niile, ya mere akụkụ nzọụkwụ bụ 0.9 degrees, ihe na-akpali akpali dị ugbu a dị ukwuu, na ịrụ ọrụ nke ọma dị mma. Oge mmalite kachasị elu dịkwa elu. A na-akpọkarị mbanye obi ụtọ ọkara ụzọ
Oge nzipu: Jul-06-2023