Akụkụ nke na-agbanwe n'etiti waya etiti tap, ma ọ bụ n'etiti waya abụọ (mgbe ọ na-enweghị etiti tap).
Akụkụ agbagharị nke moto na-enweghị ibu, ebe usoro abụọ dị nso na-akpali akpali
Ọnụego nkemoto steppermmegharị nzọụkwụ na-aga n'ihu.
Oke ike kachasị nke ogwe ahụ nwere ike iguzogide na-enweghị ntụgharị na-aga n'ihu, ebe a na-ewepụ waya ndu.
Oke kachasị nke static torque nke ogwe nke amoto stepperobi ụtọ na ike ọkụ eletrik nwere ike idi na-enweghị ntụgharị na-aga n'ihu.
Oke ọnụego mkpali nke moto stepper a kpaliri nke nwere ibu ụfọdụ nwere ike ịmalite ma ọ nweghị ike ịkwụsị njikọta.
Oke ọsọ obi nke moto stepper a kpaliri nke na-anya ibu nwere ike iru ma ghara ime ka ọ ghara ịdị na-ejikọta ya.
Oke ike kachasị nke moto stepper a kpaliri nwere ike ịmalite na ọnụego pulse ụfọdụ ma ghara ịhapụ njikọta.
Oke ike kachasị nke moto stepper na-anya na ọnọdụ ntuziaka na ọnụego pulse ụfọdụ nwere ike iguzogide ma ghara ime ka ọ ghara ịdị na-ejikọta ya.
Oke ọsọ pulse nke moto stepper nwere ibu ntuziaka nwere ike ịmalite, kwụsị ma ọ bụ na-asọpụrụ, ma ghara ịhapụ njikọta.
A tụrụ voltaji kachasị elu n'ofe usoro, mgbe a na-ebu ogwe moto ahụ na ọsọ na-adịgide adịgide nke 1000 RPM.
Ọdịiche dị n'etiti akụkụ echiche na nke ejikọtara ọnụ (ọnọdụ).
Ọdịiche dị n'etiti akụkụ echiche na nke otu nzọụkwụ n'ezie.
Ọdịiche dị n'etiti ọnọdụ nkwụsị maka CW na CCW.
Sekit draịva nke na-agbanwe agbanwe nke Chopper bụ ụdị ụdị draịva nwere arụmọrụ ka mma ma jiri ya mee ihe ugbu a. Echiche bụ isi bụ na a na-ejigide ọkwa ugbu a nke winding nke usoro conductive n'agbanyeghị ma ọ bụ na ọ bụ ya mere e ji na-eme ya.moto stepperdị n'ọnọdụ mkpọchi ma ọ bụ na-agba ọsọ n'obere ma ọ bụ ugboro dị elu. BellowFigure bụ eserese eserese nke sekit draịva na-agbanwe agbanwe nke chopper, nke naanị otu sekit draịva nke usoro na-egosi, na usoro ọzọ bụ otu. A na-ejikwa tube mgbanwe VT1 na VT2 achịkwa mgbanyụ nke usoro phase. Emitter nke VT2 jikọtara ya na nguzogide nlele R, mbelata nrụgide na nguzogide ahụ kwekọrọ na nke ugbu a I nke usoro phase.
Mgbe UI njikwa ahụ dị na voltaji dị elu, a na-agbanye ma ọkpọkọ VT1 na VT2, ọkụ eletrik dc na-enyekwa winding. N'ihi mmetụta nke inductance nke winding, voltaji na nguzogide nlele R na-abawanye nwayọ nwayọ. Mgbe uru nke voltaji Ua enyere gafere, ihe ntụnyere ahụ na-ewepụta ọkwa dị ala, nke mere na ọnụ ụzọ ámá ahụ na-ewepụta ọkwa dị ala. A na-ebipụ VT1 ma gbanyụọ ike dc. Mgbe voltaji dị na nguzogide nlele R dị obere karịa voltaji Ua enyere, ihe ntụnyere ahụ na-ewepụta ọkwa dị elu, ọnụ ụzọ ámá ahụ na-ewepụtakwa ọkwa dị elu, a na-agbanye VT1 ọzọ, ihe ọkụ eletrik dc na-amalitekwa inye ike na winding ọzọ. Ugboro ugboro, a na-eme ka ọkụ eletrik dị na winding nkebi kwụsie ike na uru nke voltaji Ua enyere kpebiri.
Mgbe a na-eji draịva voltaji na-agbanwe agbanwe, voltaji ọkọnọ ike na-adakọ na voltaji a tụrụ aro nke moto ahụ ma na-anọgide na-agbanwe agbanwe. draịva voltaji na-agbanwe agbanwe dị mfe ma dị ọnụ ala karịa draịva voltaji na-agbanwe agbanwe, nke na-achịkwa voltaji ọkọnọ iji hụ na enyere moto ahụ ọkụ eletrik na-agbanwe agbanwe. Maka draịva voltaji na-agbanwe agbanwe, nguzogide nke sekit draịva ga-egbochi ọkụ eletrik kachasị elu, inductance nke moto ahụ ga-ebelata ọsọ nke ọkụ eletrik na-ebili. Na obere ọsọ, nguzogide bụ ihe na-egbochi mmepụta ugbu a (na torque). Moto ahụ nwere njikwa torque na nhazi dị mma ma na-agba ọsọ nke ọma. Agbanyeghị, ka ọsọ moto na-abawanye, inductance na oge mmụba ugbu a na-amalite igbochi ọkụ eletrik iru uru ebumnuche ya. Ọzọkwa, ka ọsọ moto na-abawanye, EMF azụ na-abawanyekwa, nke pụtara na a na-eji voltaji ọkọnọ ike karịa naanị iji merie voltaji EMF azụ. Ya mere, isi ihe na-adịghị mma nke draịva voltaji na-agbanwe agbanwe bụ mbelata ngwa ngwa na torque emepụtara na obere ọsọ nke moto stepper.
E gosiri sekit na-anya ụgbọala nke moto stepper bipolar na Foto nke 2. Ọ na-eji transistors asatọ akwọ ụgbọala usoro abụọ. Sekit na-anya ụgbọala bipolar nwere ike ịkwọ ụgbọala stepper waya anọ ma ọ bụ isii n'otu oge. Ọ bụ ezie na moto waya anọ nwere ike iji sekit na-anya ụgbọala bipolar naanị, ọ nwere ike ibelata ọnụ ahịa ngwa mmepụta oke. Ọnụọgụ transistors na sekit na-anya ụgbọala bipolar dị okpukpu abụọ karịa sekit na-anya ụgbọala unipolar. A na-ejikarị microcontroller akwọ transistors anọ dị ala ozugbo, transistor elu chọrọ sekit na-anya ụgbọala elu dị elu. Transistor nke sekit na-anya ụgbọala bipolar kwesịrị ibu voltaji moto naanị, yabụ na ọ chọghị sekit na-anya ụgbọala dị ka sekit na-anya ụgbọala unipolar.
Ọ bụ sekit draịva nke a na-ejikarị eme ihe na moto steepụ. Seketi draịva otu-polar na-eji transistor anọ akwọ ụgbọala usoro abụọ nke moto steepụ, usoro winding stator moto ahụ gụnyere setịpụ coils abụọ nwere taps etiti (tap etiti nke AC coil O, BD coil). Mgbata etiti bụ m), moto ahụ dum nwere ngụkọta ahịrị isii nwere njikọ mpụga. Akụkụ AC enweghị ike ime ka ike gwụ (njedebe BD), ma ọ bụghị ya, flux magnet nke coils abụọ ahụ na ogidi magnet na-eme ka ibe ha kwụsị, naanị oriri ọla kọpa nke coil ka emepụtara. N'ihi na ọ bụ naanị usoro abụọ (windings AC bụ otu usoro, winding BD bụ otu usoro), nkwupụta ziri ezi kwesịrị ịbụ waya isii nke usoro abụọ (n'ezie, ugbu a enwere ahịrị ise ugbu a, ejikọtara ya na ahịrị ọha abụọ) moto steepụ.
Otu usoro, nke na-agbagharị ike naanị otu usoro, na-agbanwe usoro ugbu a nke na-emepụta akụkụ nzọụkwụ ntụgharị (igwe eletriki dị iche iche, ogo 18 15 7.5 5, moto agwakọtara ogo 1.8 na ogo 0.9, ogo 1.8 ndị a ka a na-ezo aka na usoro mkpali a, a na-ama jijijikwa nzaghachi nke akụkụ ntụgharị mgbe mkpali ọ bụla rutere. Ọ bụrụ na ugboro ole ahụ dị oke elu, ọ dị mfe ịmepụta oge ochie.
Mkpali nke usoro abụọ: Ọwa mgbasa ozi nke usoro abụọ n'otu oge, na-ejikwa usoro nke ịgbanwe ọwa nke usoro n'otu oge, akụkụ nke usoro ike nke usoro nke abụọ bụ ogo 1.8, mkpokọta ọwa nke ngalaba abụọ ahụ bụ ugboro abụọ, enwere ike nweta mmụba ugboro mmalite kachasị elu. Ọsọ dị elu, arụmọrụ agbakwunyere, oke.
1-2 Mkpọlite: Nke a bụ ụzọ e si eme mkpali nke usoro abụọ, nke na-amalite, nke ọ bụla na-agbanwe mgbe niile, yabụ akụkụ nzọụkwụ ahụ bụ ogo 0.9, ọkụ eletrik buru ibu, arụmọrụ karịrị akarị dịkwa mma. Oke ugboro mmalite dịkwa elu. A na-akpọkarị ya ụgbọala mkpali ọkara ụzọ.
Oge ozi: Julaị-06-2023