{"id":16459,"date":"2022-10-11T16:20:26","date_gmt":"2022-10-11T08:20:26","guid":{"rendered":"https:\/\/pcblithuania.com\/?p=16459"},"modified":"2022-10-11T16:26:06","modified_gmt":"2022-10-11T08:26:06","slug":"28byj-48","status":"publish","type":"post","link":"https:\/\/pcblithuania.com\/28byj-48.html","title":{"rendered":"28BYJ-48: 5 laid\u0173, 5 V unipolinis \u017eingsninis variklis"},"content":{"rendered":"\n

\u017dingsniniai varikliai yra patog\u016bs \u012frankiai \u012fvairiuose \u012frenginiuose d\u0117l j\u0173 pad\u0117ties valdymo savyb\u0117s. \u0160i savyb\u0117 rei\u0161kia, kad be\u0161epet\u0117liniai varikliai gali padalyti vis\u0105 savo sukimosi cikl\u0105 \u012f lygias dalis arba \u017eingsnius. Juose naudojamas krumpliaratinis ratas ir keli elektromagnetai, kad ratas b\u016bt\u0173 sukamas \u017eingsnis po \u017eingsnio. Vienas i\u0161 toki\u0173 varikli\u0173 yra 28BYJ-48. Tai vienas pigiausi\u0173 ir lengviausiai naudojam\u0173 \u017eingsnini\u0173 varikli\u0173, skirt\u0173 mokytis apie \u017eingsnin\u012f sukim\u0105si. I\u0161samiai ap\u017evelgsime \u0161\u012f varikl\u012f ir kaip j\u012f valdyti naudojant ULN2003 tvarkykl\u0119 ir \"Arduino\" plok\u0161tes.<\/p>\n\n\n\n

Turinys<\/p>\n\n\n\n

Kas yra 28BYJ-48 \u017eingsninis variklis?<\/p>\n\n\n\n

28BYJ-48 \u017eingsninio variklio technin\u0117s specifikacijos<\/p>\n\n\n\n

ULN2003 tvarkykl\u0117<\/p>\n\n\n\n

28BYJ-48 \u017eingsninio variklio valdymas naudojant ULN2003 tvarkykl\u0119 ir \"Arduino\" plok\u0161t\u0119<\/p>\n\n\n\n

Kuo \u017eingsniniai varikliai skiriasi nuo standartini\u0173 nuolatin\u0117s srov\u0117s varikli\u0173?<\/p>\n\n\n\n

Kuo skiriasi \u017eingsniniai varikliai nuo servo varikli\u0173?<\/p>\n\n\n\n

Kada gal\u0117\u010diau rinktis \u017eingsnin\u012f varikl\u012f, o ne kitus tipus<\/p>\n\n\n\n

\u017dingsnini\u0173 varikli\u0173 taikymo sritys<\/p>\n\n\n\n

Santrauka<\/p>\n\n\n\n

Kas yra 28BYJ-48 \u017eingsninis variklis?<\/strong><\/h2>\n\n\n\n

28BYJ-48 yra 4 fazi\u0173, 5 laid\u0173 vienpolis \u017eingsninis variklis. Jo u\u017eduotis - elektrinius signalus diskreti\u0161kai paversti mechaniniu sukimu. Variklis sukasi tiksliais, fiksuotais \u017eingsneliais po 5,625\u00b0 kampu, kai jam perduodamas elektrinis impulsas. Jo \u017eingsnio kampas pus\u0117s \u017eingsnio re\u017eimu yra 5,625\u00b0\/64, t. y. vienam apsisukimui atlikti reikia 64 \u017eingsni\u0173.<\/p>\n\n\n\n

360\u00b0\/5.625\u00b0 = 64<\/p>\n\n\n\n

Viso \u017eingsnio re\u017eimu \u0161is skai\u010dius suma\u017e\u0117ja perpus - iki 32.  <\/p>\n\n\n\n

Variklis turi keturias rites, tolygiai i\u0161d\u0117stytas aplink rotori\u0173, kurios sudaro statin\u012f, nejudant\u012f statori\u0173. Kiekviena i\u0161 j\u0173 turi +5 V vardin\u0119 \u012ftamp\u0105, tod\u0117l j\u0105 lengva valdyti naudojant bet kur\u012f 5 V toleruojant\u012f mikrovaldikl\u012f, pavyzd\u017eiui, \"Arduino\".  <\/p>\n\n\n\n

28BYJ-48 \u017eingsninio variklio technin\u0117s specifikacijos<\/strong><\/h2>\n\n\n\n

5 V nuolatin\u0117s srov\u0117s vardin\u0117 \u012ftampa<\/p>\n\n\n\n

Keturios faz\u0117s<\/p>\n\n\n\n

300 gf. cm traukos momentas<\/p>\n\n\n\n

600VAC\/1mA\/1s izoliuotas maitinimas<\/p>\n\n\n\n

5,625\u00b0\/64 \u017eingsnio kampas<\/p>\n\n\n\n

Vienpol\u0117 penki\u0173 laid\u0173 rit\u0117<\/p>\n\n\n\n

ULN2003 tvarkykl\u0117s plok\u0161t\u0117<\/strong><\/h2>\n\n\n\n

28BYJ-48 varikliai vartoja didel\u0119 srov\u0119, tod\u0117l jiems reikia tokios tvarkykl\u0117s, kaip ULN2003, kaip s\u0105sajos tarp j\u0173 ir \"Arduino\". J\u0105 sudaro septyni\u0173 Darlingtono tranzistori\u0173 por\u0173 masyvas, kur antroji stiprina pirmosios i\u0161\u0117jim\u0105.  <\/p>\n\n\n\n

Kiekvienas tranzistorius gali valdyti iki 500 mA ir 50 V apkrov\u0105.  <\/p>\n\n\n\n

Jei maitinate k\u0105 nors, kas vartoja daugiau nei 80 mA esant 5 V \u012ftampai, naudokite tvarkykl\u0117s plok\u0161t\u0119. Ta\u010diau, jei valdote bet kokio dyd\u017eio \u017eingsnin\u012f varikl\u012f, visada naudokite ULN2003 tvarkykli\u0173 plok\u0161t\u0119. Kod\u0117l? \u017dingsninis variklis gali sukelti elektrin\u012f triuk\u0161m\u0105 maitinimo linijose, o \u0161is triuk\u0161mas gali sugadinti \"Arduino\" mikrovaldikl\u012f.  <\/p>\n\n\n\n

28BYJ-48 \u017eingsninio variklio valdymas naudojant ULN2003 tvarkykl\u0119 ir \"Arduino<\/strong><\/h2>\n\n\n\n

Jums reikia \u0161i\u0173 komponent\u0173:<\/p>\n\n\n\n

28BYJ-48 \u017eingsninio variklio<\/p>\n\n\n\n

ULN2003 tvarkykl\u0117s plok\u0161t\u0117s<\/p>\n\n\n\n

Arduino UNO R3<\/p>\n\n\n\n

Jungiam\u0173j\u0173 laid\u0173 nuo vyri\u0161kos iki moteri\u0161kos lyties<\/p>\n\n\n\n

5 V maitinimo \u0161altinio (adapterio)<\/p>\n\n\n\n

USB laidas<\/p>\n\n\n\n

Arduino IDE<\/p>\n\n\n\n

Laidai<\/strong><\/h3>\n\n\n\n

Atlikite \u0161ias jungtis tarp \"Arduino\" ir tvarkykl\u0117s.<\/p>\n\n\n\n

\"28BYJ-48\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\"Arduino UNO\", ULN2003, \u017eingsninio variklio schema<\/em><\/p>\n\n\n\n

Taip pat prijunkite 5 V adapter\u012f prie tvarkykl\u0117s plok\u0161t\u0117s ir mikrovaldiklio, kaip parodyta pirmiau pateiktoje grandin\u0117s schemoje.  <\/p>\n\n\n\n

Kodas<\/strong><\/h3>\n\n\n\n

Sukonfig\u016brav\u0119 atidarykite \"Arduino IDE\" ir naudokite \"Arduino\" \u017eingsninio variklio bibliotek\u0105 \u017eingsni\u0173 sekai tvarkyti. Valdymo biblioteka pateikiama kartu su IDE ir leid\u017eia lengvai valdyti unipolinius ir bipolinius \u017eingsninius variklius.<\/p>\n\n\n\n

Para\u0161ykite toliau nurodyt\u0105 kod\u0105 ir \u012fkelkite j\u012f \u012f \"Arduino\" plok\u0161t\u0119, kad variklis l\u0117tai sukt\u0173si pagal laikrod\u017eio rodykl\u0119, paskui prie\u0161 laikrod\u017eio rodykl\u0119.  <\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

Paai\u0161kinimas<\/em><\/strong><\/h4>\n\n\n\n

Pirmoje eilut\u0117je \u012ftraukta \"Arduino\" \u017eingsnini\u0173 valdikli\u0173 biblioteka. Po jos apibr\u0117\u017eiame konstant\u0105, nurodan\u010di\u0105 \u017eingsni\u0173 skai\u010di\u0173, per kur\u012f variklis atliks vien\u0105 apsisukim\u0105.<\/p>\n\n\n\n

Tada sukurkite \u017eingsninio valdiklio klas\u0117s objekt\u0105, atitinkant\u012f \u017eingsni\u0173 sek\u0105 IN1, IN3, IN2, IN4 (kai\u0161\u010di\u0173 seka 8, 10, 9, 11). Galite sukurti kelis objektus, kad vienu metu valdytum\u0117te kelis variklius, ta\u010diau nepamir\u0161kite laikytis tinkamos \u017eingsni\u0173 sekos.<\/p>\n\n\n\n

Bibliotekoje keturi \u012fvesties \/ i\u0161vesties kai\u0161\u010diai nustatomi kaip vidiniai i\u0161\u0117jimai, tod\u0117l \u012f s\u0105rankos funkcij\u0105 nereikia \u012ftraukti jokio kodo. Galiausiai, ciklo funkcija nepertraukiamai suka varikl\u012f pagal laikrod\u017eio rodykl\u0119 ir prie\u0161 laikrod\u017eio rodykl\u0119. Joje nustatomas greitis, \u017eingsni\u0173 skai\u010dius ir u\u017edelsimas prie\u0161 perjungiant sukimosi funkcij\u0105. Neigiamo parametro perdavimas \u017eingsnio funkcijai pakei\u010dia sukimosi krypt\u012f.\u00a0<\/p>\n\n\n\n

Bibliotekos \"AccelStepper\" naudojimas<\/strong><\/h3>\n\n\n\n

Nors galite naudoti \u017eingsnini\u0173 varikli\u0173 bibliotek\u0105 keliems varikliams valdyti, \u0161iam darbui geriau tinka \"AccelStepper\" biblioteka. Be to, ji palaiko pus\u0117s \u017eingsnio valdym\u0105, greit\u0117jim\u0105 ir l\u0117t\u0117jim\u0105 bei nepriklausom\u0105, lygiagret\u0173 \u017eingsniavim\u0105 kiekvienu \u017eingsniniu valdikliu.<\/p>\n\n\n\n

Ta\u010diau pirmiausia turite \u012fdiegti bibliotek\u0105, nes ji n\u0117ra IDE dalis. Eikite \u012f Sketch > Include library > Manage libraries. Ie\u0161kokite \"AccelStepper\" bibliotekos ir j\u0105 \u012fdiekite.<\/p>\n\n\n\n

Po to IDE para\u0161ykite toliau nurodyt\u0105 kod\u0105 ir \u012fkelkite j\u012f \u012f \"Arduino\".<\/p>\n\n\n\n

\"28BYJ-48\"\/<\/figure>\n\n\n\n

Paai\u0161kinimas<\/h4>\n\n\n\n

Prad\u0117kite nuo bibliotekos \u012ftraukimo, tada apibr\u0117\u017ekite konstant\u0105 pus\u0117s \u017eingsnio metodui arba viso \u017eingsnio metodui (atitinkamai a\u0161tuoni ir keturi). Tada sukurkite \u017eingsnin\u012f objekt\u0105 \/ bibliotekos egzempliori\u0173 ir nustatykite kai\u0161\u010di\u0173 sek\u0105 8, 10, 9, 11.<\/p>\n\n\n\n

Po to nustatykite did\u017eiausi\u0105 greit\u012f 1 000 ir pagrei\u010dio koeficient\u0105 50, kad b\u016bt\u0173 \u012ftraukti pagrei\u010dio ir l\u0117t\u0117jimo judesiai. Toliau apribokite reguliar\u0173j\u012f greit\u012f iki 200, o \u017eingsni\u0173 skai\u010di\u0173 vienam apsisukimui - iki 2038.<\/p>\n\n\n\n

Ciklo funkcija suapvalina kod\u0105 ir kei\u010dia sukimosi krypt\u012f, skaitydama atstum\u0105, kur\u012f reikia nueiti nuosavyb\u0117, kol pasiekia 2038 \u017eingsnius. Pakeitus krypt\u012f, funkcija if patikrina t\u0105 pat\u012f ir perjungia sukim\u0105si po neigiam\u0173 2038 \u017eingsni\u0173. Funkcija paleisti yra labai svarbi, nes ji nurodo tvarkyklei paleisti \u017eingsnin\u012f valdikl\u012f.<\/p>\n\n\n\n

Dviej\u0173 28-BYJ48 \u017eingsnini\u0173 varikli\u0173 valdymas<\/h3>\n\n\n\n

Pirmojo \u017eingsninio valdiklio laidai nesikeis. Ta\u010diau jums reik\u0117s papildomo tvarkytuvo ir jungiam\u0173j\u0173 laid\u0173 varikliui sujungti su \"Arduino\" ir 5 V maitinimo adapteriu.\u00a0<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

\"Arduino UNO\", dviej\u0173 ULN2003, dviej\u0173 \u017eingsnini\u0173 varikli\u0173 grandin\u0117s schema<\/p>\n\n\n\n

Sujunkite juos taip.<\/p>\n\n\n\n

Naudodami \"AccelStepper\" bibliotek\u0105, galite naudoti toliau pateikt\u0105 kod\u0105, kad vienas variklis b\u016bt\u0173 valdomas puse \u017eingsnio, o kitas - visu \u017eingsniu. \u00a0<\/p>\n\n\n\n

\"28BYJ-48\"\/<\/figure>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n

\u012etrauk\u0119 bibliotek\u0105, apibr\u0117\u017ekite viso \u017eingsnio ir pus\u0117s \u017eingsnio konstantas, tada sukurkite du \u017eingsninio variklio objektus. Nepamir\u0161kite naudoti teising\u0105 kai\u0161\u010di\u0173 sek\u0105, kaip paai\u0161kinta anks\u010diau.<\/p>\n\n\n\n

S\u0105rankos funkcija skirta nustatyti kiekvieno \u017eingsninio variklio did\u017eiausi\u0105 greit\u012f, pagreit\u012f, \u012fprast\u0105 greit\u012f ir \u017eingsni\u0173 per apsisukim\u0105 skai\u010di\u0173.<\/p>\n\n\n\n

Baigdami funkcij\u0105 loop (ciklas) palaikykite varikli\u0173 veikim\u0105, tada perjunkite j\u0173 sukimosi krypt\u012f po to, kai jie atitinkamomis kryptimis \u017eengs 2038 \u017eingsnius.  <\/p>\n\n\n\n

Kuo skiriasi \u017eingsniniai ir standartiniai nuolatin\u0117s srov\u0117s varikliai?<\/h2>\n\n\n\n

Jei ne\u017einote, kur\u012f varikl\u012f naudoti savo projektui, \u010dia pateikiamas i\u0161samus standartini\u0173 nuolatin\u0117s srov\u0117s varikli\u0173 ir \u017eingsnini\u0173 varikli\u0173 palyginimas.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

Kuo skiriasi \u017eingsniniai ir servo varikliai?<\/h2>\n\n\n\n

\u0160tai kaip \u017eingsninis variklis dera su servo varikliu.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

Kada gal\u0117\u010diau rinktis \u017eingsnin\u012f varikl\u012f, o ne kitus tipus<\/h2>\n\n\n\n

28BYJ-48 \u017eingsninis variklis turi \u0161iuos privalumus, palyginti su standartiniais nuolatin\u0117s srov\u0117s ir servo varikliais.<\/p>\n\n\n\n

: Vienas i\u0161 did\u017eiausi\u0173 \u017eingsnini\u0173 varikli\u0173 privalum\u0173 - tikslus pad\u0117ties nustatymas, nes jie sukasi pakopomis.<\/p>\n\n\n\n

: Kontroliuojamas \u017eingsninis jud\u0117jimas u\u017etikrina tiksl\u0173 grei\u010dio valdym\u0105, tod\u0117l \u0161is variklis idealiai tinka robotams, proces\u0173 automatizavimui ir pan.<\/p>\n\n\n\n

: Variklis puikiai tinka naudoti ma\u017eais grei\u010diais (ma\u017eiau nei 2000 aps.\/min.), nes esant tokiam grei\u010diui jis pasi\u017eymi dideliu sukimo momentu.<\/p>\n\n\n\n

: \u017dingsnini\u0173 varikli\u0173 valdymas naudojant \"Arduino\" ar bet kur\u012f kit\u0105 mikrovaldikl\u012f yra gana paprastas, o tai yra viena i\u0161 pagrindini\u0173 prie\u017eas\u010di\u0173, kod\u0117l jie nuolat naudojami.<\/p>\n\n\n\n

: \u0160ie varikliai yra pigesni ir gali pad\u0117ti sutaupyti daugiau l\u0117\u0161\u0173 \u012fgyvendinant projekt\u0105<\/p>\n\n\n\n

: Kaip ir nuolatin\u0117s srov\u0117s varikliai, \u0161io tipo varikliai yra pla\u010diai prieinami ir b\u016bna \u012fvairi\u0173 stili\u0173 ir dyd\u017ei\u0173<\/p>\n\n\n\n

\u017dingsnini\u0173 varikli\u0173 taikymo sritys<\/strong><\/h2>\n\n\n\n

CNC frezavimo stakl\u0117s<\/p>\n\n\n\n

Tikslaus valdymo ma\u0161inos<\/p>\n\n\n\n

DVD grotuvai<\/p>\n\n\n\n

3D spausdintuvai<\/p>\n\n\n\n

\"28BYJ-48\"\/<\/figure>\n\n\n\n

3D spausdintuvas su \u017eingsniniu varikliu<\/em><\/p>\n\n\n\n

Automobilio \u0161oninio vaizdo veidrod\u0117lio pakreipimas<\/p>\n\n\n\n

Apsaugos kameros<\/p>\n\n\n\n

Prekybos automatai<\/p>\n\n\n\n

Staliniai spausdintuvai<\/p>\n\n\n\n

Santrauka<\/strong><\/h2>\n\n\n\n

Apibendrinant galima teigti, kad 28BYJ-48 \u017eingsninis variklis yra vienas i\u0161 pigiausi\u0173 \u017eingsnini\u0173 varikli\u0173 ir turi daugyb\u0119 pritaikymo b\u016bd\u0173 transporto priemon\u0117se, elektros prietaisuose ir keliose ma\u0161inose. J\u012f galite valdyti naudodami \"Arduino\" (kaip i\u0161samiai paai\u0161kinta anks\u010diau), o jei susidursite su kokiais nors sunkumais, kreipkit\u0117s d\u0117l i\u0161samesni\u0173 paai\u0161kinim\u0173.    <\/p>\n","protected":false},"excerpt":{"rendered":"

\u017dingsniniai varikliai yra patog\u016bs \u012frankiai \u012fvairiuose \u012frenginiuose d\u0117l j\u0173 pad\u0117ties valdymo savyb\u0117s. \u0160i savyb\u0117 rei\u0161kia, kad be\u0161epet\u0117liniai varikliai gali padalyti vis\u0105 savo sukimosi cikl\u0105 \u012f lygias dalis arba \u017eingsnius. Juose naudojamas krumpliaratinis ratas ir keli elektromagnetai, kad ratas b\u016bt\u0173 sukamas \u017eingsnis po \u017eingsnio. Vienas i\u0161 toki\u0173 varikli\u0173 yra 28BYJ-48. Tai vienas pigiausi\u0173 ir lengviausiai naudojam\u0173 […]<\/p>\n","protected":false},"author":3,"featured_media":16460,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"yoast_head":"\n28BYJ-48: 5 laid\u0173, 5 V unipolinis \u017eingsninis variklis<\/title>\n<meta name=\"description\" content=\"Vienas i\u0161 toki\u0173 varikli\u0173 yra 28BYJ-48. pigiausi\u0173 ir lengviausiai naudojam\u0173 \u017eingsnini\u0173 varikli\u0173, skirt\u0173 mokytis apie \u017eingsnin\u012f sukim\u0105si.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pcblithuania.com\/28byj-48.html\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"28BYJ-48: 5 laid\u0173, 5 V unipolinis \u017eingsninis variklis\" \/>\n<meta property=\"og:description\" content=\"Vienas i\u0161 toki\u0173 varikli\u0173 yra 28BYJ-48. pigiausi\u0173 ir lengviausiai naudojam\u0173 \u017eingsnini\u0173 varikli\u0173, skirt\u0173 mokytis apie \u017eingsnin\u012f sukim\u0105si.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pcblithuania.com\/28byj-48.html\" \/>\n<meta property=\"og:site_name\" content=\"PCB surinkimas, PCB gamyba, PCB dizainas - 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