Kodi mungasankhe bwanji zotchinga zokwera kwambiri DC?

Kuzindikira Zovala Zapamwamba za DC Movics

Mfundo zogwiritsira ntchito mota za BLDC

Moto (BLDC) mota zimapanga torque pogwiritsa ntchito rotor yam'madzi ndi malo ogulitsira opaleshoni pakompyuta. M'malo mwa mabulashi ndi womuyendetsa makina, zomwe zasinthidwa ndi wowongolera kutengera mawonekedwe a rotor kapena malo. Izi zimachepetsa kuvala kwamakina, kumathandizanso kulimbitsa thupi (nthawi zambiri 85-95%), ndikulola kuthamanga kwambiri ndi kuchuluka kwa kuchuluka kwa mikangano yofanana. Kwa mapulogalamu apamwamba kwambiri, matope a Blldc amakondedwa chifukwa amatha kupereka torque over torque ndi kukonza kochepa, kusungunuka, ndi kuwongolera torque ndi liwiro.

Ndi "torque" yayikulu "amatanthauza chiyani?

Pazochita zaukadaulo, "Torque Wokwera" ayenera kufotokozedwa bwino. Kwa zitsulo zazing'ono (mwachitsanzo, 42-60 mm m'mimba mwakunja), torqueper yayikulu ingatanthauze 0.5-5 Nime. Kwa mafelemu apakatikati (80-130 mm), atha kukhala 10-50 nyi. Kwa otonthoza okwera mafakitale (160-280 mm), zopewera kwambiri kuyambira 50 Ni · m. Cholepheretsa Torque Corqualiness chimafotokozedwa ndi:

• Yovota (yopitilira) Torque: Torque Mlandu amatha kupulumutsa mwachangu kutentha kwamphamvu (nthawi zambiri 25 mpaka 40 ° C) wopanda malire ochulukirapo.
• Peak torque: Torque-Sturque Worquewor amatha kupulumutsa masekondi kwa masekondi a makumi awiri asanatigwiritse ntchito.
• Torquent pafupipafupi (KT): Nim Perper, yosonyeza kuchuluka kwa chimbudzi chambiri chomwe chimapangidwa pa intaneti.

Mukamasankha mota, muyenera kuyerekeza mfundo izi ndi katundu weniweni, osati chabe mabuku "ochulukirapo".

Kumveketsa bwino Zolinga ndi kuzungulira kwa ntchito

Yodziwika ndi mbiri yamakina

Malo oyambira ndi kulongosola kokwanira kwa ma makina. Wopanga waluso kapena gulu lopanga mafakitale limakhala ndi mbiri yanthawi yokwanira komanso yothamanga kwambiri. Zambiri zazikulu zimaphatikizapo:

• Lowetsani Torque Torque: Torque ikuyenera kugwira katunduyo kusunthira motsutsana ndi mphamvu yokoka, kukangalika, kapena magwiridwe antchito.
• Mphamvu yamphamvu: torque yowonjezera yofunika kuthamanga ndi kudziletsa.
• Ine ndi inertia: Anaphatikizana ndi ma cartia, gearbox, ndi katundu (KGROMM²).
• Chofunika Kuthamanga: Kuthamanga kopitilira muyeso, kochepera komanso kokwanira (RPM).

Mwachitsanzo, lingalirani katundu wofunikira 15 wa 300 rpm kuti agwire ntchito wamba, kuphatikiza mpaka 25 Ni m pa nthawi yopitilira magawo. Mbiriyi imakhala yofunika kwambiri yomanga moto.

Kuzungulira kwa ntchito ndi kutanthauza za mafuta

Ntchito yozungulira imalongosola kuchuluka kwa nthawi yomwe galimoto imagwira ntchito m'malo osiyanasiyana a torque mkati. ASO ALIYENSE monga S1 (kupitiliza), S2 (S2 (S2), ndi S3 (S2) imagwiritsidwa ntchito pofotokoza mitundu yogwira ntchito. Kuti udindo wopitilira (S1), Torque Wortior adavotera kuyenera kupitirira kufuna kopitilira kwambiri ndi chitetezero. Pa ntchito ya cyclical (S3), komwe Torque Wamkulu Imangowoneka pang'ono pang'ono, mungasankhe galimoto pafupi ndi matenthedwe ake ngati urque urque pozungulira ikadali yotsika.

Chitsanzo chofanana ndi mafakitale: Magalimoto amatulutsa 20 Nime kwa masekondi 10, ndiye 5 Nime kwa masekondi 50, kubwereza. Torque wamba ndi:

TAVG = (20 Nut × 10 SH 5 5 Nuth × 50 s) / 60 ≈ 7.5 ≈ 7.5 NAM

Mtengo wamba uwu umagwiritsidwa ntchito pothira mafuta, pomwe Peak 20 Nim ayenera kugwerabe mkati mwa momwe amaperekedwera.

Peak Torque zosowa ndi margins otetezeka

Kuwerengera peak torque

Peak Torque imatsimikiziridwa ndi zonse ziwiri zokongoletsera zokongoletsera komanso kuthamanga. Torquetion Torque ikhoza kuwerengedwa kuchokera ku:

Tacc = J × (Δω / Δt)

kumeneJndi ndalama zonse, Δω ndikusintha mwachangu, ndi ΔT ndiye nthawi yothamanga. Tiyerekeze kuti vuto lophatikizidwa ndi 0.02 kg ro, ndipo muyenera kuthamanga kuchokera ku 0 mpaka 300 rpm (≈31.4 Rad / s) mu 0,5 s:

Tacc = 0.02 × (31.4 / 0.5) ≈ 1.26 Nit

Ngati Tower-Starque Towque pa 300 RPM ndi 15 Nyi, Chomwe Chitetezo cha Peak Chiyembekezo ndi:

Tamak, Req ≈ 15+ 1.26 ≈ 16.3 Nim

Kutsatira zinthu zothandiza to torque

Akatswiri ambiri amagwiritsa ntchito chitetezo cha 1.2-1.5 pa torquous totque ndi 1.1-1.3 pa Peak Torque yosankha BLDC. Pogwiritsa ntchito chitsanzo pamwambapa:

• Chofunika Kupitilira Torque: 15 Nime × 1.25 № 18.8 Nime.
• Chofunika pachimake ndi malire: 16.3 Nim × 1.2 ≈ 19.6 NEA.

Pankhaniyi, chandamale choyenera chikhoza kukhala chowotchera chovunda pafupifupi 20 N ·m mosafunikira ndi osachepera 22-25 Nimb Peak. Gulu logulitsa kapena bungwe la opanga lizigwiritsa ntchito manambalawa kuti lipangire kukula koyenera, litangoyenda, komanso njira yozizira.

Zogwirizana ndi torque, liwiro, ndi zojambula zamagetsi

Makina Ogwiritsa Ntchito

Kusankhidwa kwa chipongwe sikungapatsidwe ndi liwiro ndi mphamvu. Mphamvu yotulutsa makina ndi:

P = t × ω

kumenePndi mphamvu mu watts,Tndi Torque mu Nyi m, ndipoωndi liwiro laling'ono mu radi / s. Kuyambira ω = 2πn / 60 (n mu rpm), mawonekedwe nthawi zambiri amagwiritsidwa ntchito ndi:

P (W) ≈ 0.1047 × t (n · m) × n (rpm)

Kwa 20 Nit Torque ku 300 Chitsanzo:

P ≈ 0.1047 × 20 × 300 ≈ 628 w

Kulola magalimoto ndikuwonongeka, magetsi amatha kukhala 700-800 w for 80-90% yogwira ntchito bwino.

Ma curque-a torvesints

Matayala a Bldc ali ndi mawonekedwe othamanga: torque amakhalabe nthawi yayitali mpaka kuthamanga, kenako madontho ngati kuthamanga kumawonjezereka. Pa magetsi opatsidwa:

• Kuchulukitsa kuthamanga kumakweza, EMF, kuchepetsa malire apano komanso otero.
• Kugwiritsa ntchito liwiro lotsika kwambiri ndi furque lalikulu kumawonjezera zotayika ndi kutentha.

Kuonetsetsa kuti magalimoto osenda osenda omwe amagwira bwino ntchito moyenera, omwe amapanga mfundo zanu zogwirira ntchito

• Mfundo zonse zosagwirizana ziyenera kunama pansi panu.
• Mfundo zonse zazifupi ziyenera kugona pansi pa peak yopindika komanso mkati zololedwa.

Ngati cholinga chanu chofulumira kugwa kunja kwa malo ofesa, mungafunike maofesi okwera, maba voguor, kapena kukula kwakukulu kuchokera pafakitale.

Magetsi, magetsi, komanso oyendetsa magalimoto oyendetsa

Kufananira magetsi am'madzi ndi mabasi

Kusankha galimoto yayikulu kwambiri ya bldc blc ikuphatikiza kufanana ndi magetsi ake ndi magetsi pamagetsi pamagetsi. Magazi ofala DC alipo 24 v, 48 v, 72 v, ndi 310-325 VDC for Deboud Systems. Magawo ofunikira:

• Kubwerera-emf pafupipafupi (Ke): v / Krpm, kuwonetsa ma volt omber kuchokera pa liwiro lililonse.
• Torquent pafupipafupi (KT): Ni MT / A, zokhudzana ndi keto.

Kwa mafuta opatsirana, mawonekedwe otsika a kem afikira kuthamanga kwambiri koma amafunikanso zatsopano chifukwa cha chimbudzi chopatsidwa. Mphepo yamkuntho yamkuntho imapereka torque pampando panjira yotsika. Wotsatsayo ayenera kutchulapo njira zingapo zowunikira; Sankhani imodzi yomwe imalola nsonga yanu yamakono mkati mwa mawonekedwe a wowongolera ndi liwiro lanu.

Makina aposachedwa ndi kutetezedwa

Kuyendetsa kuyenera kusamalira osachepera:

• Adavotera gawo laposachedwa.
• Gawo la Peak Pamakono pakuthamangitsidwa ndikuwonjezera, nthawi zambiri 2-3 nthawi idavotera zamasekondi angapo.

Mwachitsanzo, ngati ntchitoyo imafunikira 10 ma rms opitilira 25 masekondi a masekondi 5, muyenera kusankha kuyendetsa komwe adavotera ku ≥12-15 kukhala kopitilira muyeso. Kupanda kutero, kuchepa kwapakati pagalimoto kumalepheretsa galimoto kuti ifike ku Torque Yonse. Pafupifupi kulankhulana kwaukadaulo pakati pa wopanga galimoto ndikuyendetsa yoyendetsa ndikofunikira kuti mugwiritse ntchito molondola.

Kuchita masewera olimbitsa thupi ndi Torque Margin ndi chitetezo

Kusanja mobwerezabwereza

Kuchita masewera olimbitsa thupi kwambiri a torgc blcc kumafuna kusamalira makina mosiyanasiyana, kulemera, ndi mtengo. Kuyika magalimoto kumapangitsa kuti kuthamangira pafupi kapena pamwamba pa zomwe zilipo mosalekeza, kutentha kosatha komanso kufupikitsa kwa moyo. Kuchulukitsa kumawonjezeka mtengo ndi ine. Njira Yothandiza:

• Dziwani zomwe zimafunikira kuti chitsimikiziro cha chitetezero (E.g., 1.2-1.2).
• Sankhani galimoto yaying'ono kwambiri yomwe Torque idapitilira izi.
• Tsimikizani kuti peak torque zofuna zamphamvu zili pansi pa kuthekera kwakanthawi kochepa.

Mwachitsanzo, ngati kusungitsa mosalekeza kuli 18 Nime ndi malire, ndipo mota amamwa chimodzi amapereka 20 Nim, Kusanthula kwa 20 NM NAM.

Kuwunika mutu wa matenthedwe ndi mikhalidwe yozungulira

Kulephera kwa torque kumalumikizidwa kwambiri ndi kuthekera kwagalimoto yosungunula kutentha. Kutentha Kwambiri, mpweya wabwino kwambiri, kapena nyumba zotsekerazi zichepetsa mpweya wopitilira. Ma state ambiri a data amaganiza 40 ° C 11/1 mwaulere; Ngati ntchito yanu ikuyenda pa 55 ° C mkati mwa nduna yoyendetsa, yofatsa ikhoza kukhala 10-20%. Mukamasankha mota:

• Funsani wothandizirayo kuti adziwe ma curves kutentha.
• Ganizirani kuwonjezera zokuto za mpweya kapena kutentha ngati matemberero otenthedwa ndi otsika.
• Onetsetsani kuti kutentha kwa mphepo kumakhala pansi pa kalasi yake (E.g., 130-155 ° C kwa kalasi f kapena h).

Kuganizira koyenera kumakupatsani mwayi kugwiritsa ntchito kuthekera kwakukulu kwa dorque popanda kupulumutsidwa.

Kuwunika Kapangidwe ka votir, mitengo, ndi kusinthika kwa mphepo

Kukhudzika kwa mtengo wowerengera ndi rotor

Motor-torque blldc pafupipafupi nthawi zambiri imadalira mapangidwe owoneka bwino a rotor. Maganizo oyenera amaphatikizapo:

• Chiwerengero cha Pole: Kuwerengera kwapamwamba (E.g., 8-16 m'malo mwa 4) kumasintha kachulukidwe kakang'ono kothamanga koma kumachepetsa liwiro lalikulu.
• Maginito a Magnet: Makalasi apamwamba kwambiri okhala ndi maginito apadziko lapansi amakulitsa kachulukidwe kanu ndikupewa kusokoneza kwambiri.
• Rotor Intertia: Zowola zolemera zimapereka chimbudzi chosalala koma kuchepetsa kuyankha kwamphamvu.

Pakugwiritsa ntchito kwambiri, kugwiritsa ntchito kwambiri-torque ngati njira zoyendetsera chitsogozo, mtengo wapamwamba wokhala ndi rotor yayikulu ndiyabwino. Kuti mupeze zothamanga kwambiri ndi kuchepa kwa ma gear, kuwerengera kotsika kungasankhidwa kuti muchepetse zotayika.

Kupendekera kwamphamvu ndi torque

Kusintha kwa mafakitale kumakhudza utoto, kutayika, ndi kusalala. Ophunzitsa mafakitale nthawi zambiri amapereka:

• Kugawidwa mphepo: Mudzi wotsika komanso wabwinobwino matsenga, omwe amagwiritsidwa ntchito pogwiritsa ntchito molondola.
• Zovuta Zazikulu: Kuchulukitsa Kwambiri ndi Kumapeto Kutembenuka, ndikuwonjezereka kokwera.
• Nyenyezi (y) vs delta: Kulumikizana kwa Star kumapereka magetsi apamwamba, m'munsi mwapano; Delta imapereka mphamvu zapamwamba zaposachedwa, kutsika kwamphamvu pa Mphamvu yomweyo.

Ngati ntchito yanu imafuna kuchepera kwa Torqual (mwachitsanzo, moyenera moyenera kapena oyenda oyenda otsika), pemphani furque Rugpt deta ndi kuchuluka kwa zokongoletsera kuchokera kwa wopanga ndikutsimikizira kuyeserera. Zofunsira ngati mapampu kapena mafani, ndulu zapamwamba kwambiri zitha kukhala zovomerezeka posinthana ndi zojambula zambiri, zopangidwa kwambiri.

Kuwunika magwiridwe antchito komanso zofunikira zozizira

Magwero otentha ndi njira yotentha

Mu zolimba kwambiri za torld blcc bldc, magwero am'madzi oyambira ndi zotayika za mkuwa (IDY), zotayika zitsulo, komanso zopereka zochepa kuchokera ku kutaya makina. Kutentha kwamphamvu kwamphamvu pamwamba pake kumatsimikizira kuti zopitilira muyeso:

• Zokwera kwambiri za Torquy Torque imatulutsa zotayika zamkuwa molingana ndi zomwe zilipo pano.
• Kuthamanga pa liwiro lapamwamba kumawonjezera zotayika mu schoor.

Mvetsetsani kupendekera kwa mafutawo chifukwa cha kuwomba mpaka kumiza (° C / W). Mwachitsanzo, ngati kukana matenthedwe ndi 1.5 ° C / W ndi kutentha kwanu koyenera ndi 80 ° C, mota angaletse pafupifupi 53 W wa kutayika mosalekeza. Kuchokera pamenepa, fakitale imatha kuwerengetsa kuchuluka kwa zomwe mungagwiritse ntchito bwino nthawi yayitali.

Njira zozirira ndi kupititsa patsogolo kwa torge

Kuchulukitsa Torreble Torque Torquo Popanda Kusintha Kukula Kwachisamaliro, Kuzizira Kwambiri Ndikothandiza:

• Chiwonetsero chachilengedwe: Poyambira, nthawi zambiri zokwanira kuti muchepetse torque pansi 1 kw.
• Kuzizira-mpweya: zimakupiza kapena mpweya womwewo umayambitsa nyumba zotsitsa matenthedwe ndi 20-50%.
• Kuziziritsa kwamadzimadzi: jekete yamadzi kapena njira zozizira zozizira zimalola kuti osungirako okhazikika.

Ngati ntchito yanu ikufuna Torress Torque Pafupi ndi malire a mota, funsani wotsatsa kuti akwaniritse zosankha zozizira ndi data ya mafuta. Mwachitsanzo, mpweya wokakamizika umatha kukweza torque to torque kuyambira pano pa 20 Ni.

Kuganizira zophatikiza zamakina ndikuwongolera

Kukweza, shaft, ndi kudziwikiratu

Kuphatikiza makina kumathandizira mwamphamvu kusankha mota kwambiri torque blcc. Magawo kuti atsimikizire kuti ndi:

• Kugwiritsa Ntchito Muyezo: Mawonekedwe oyaka, Bolt Circle, ndi kutalika konse kuyenera kukwanira makina.
• Mulinkhulidwe m'mawu ndi kiyi: iyenera kufalitsa nsonga ya peak ndi chinthu chosatetezeka popanda kutsindika.
• Katundu wambiri ndi axial: Kusankhidwa kuyenera kusamalira mikangano ya lalt, maginyani, kapena katundu.

Mwachitsanzo, ngati galimotoyo iyenera kupirira katundu wa 2,000 n rutqual ndi 500 rpm, onetsetsani kuwerengetsa moyo (L10) kuchokera pafakitale. Zojambula zapamwamba kwambiri nthawi zambiri zimafuna mapepala akulu kapena ogwirizana kuti mupewe kulephera msanga.

Mafakisoni, Coolils, ndi Chinsinsi Choyendetsa

Komwe malo kapena ma Speet a Freetrants alipo, mutha kukhala ndi vuto la BLDC ndi gearbox. Pogwiritsa ntchito 5: 1 kuchepetsa, mutha kukwanitsa 25 Nit pa shaft kuchokera pagalimoto yopereka 5 Ni m, pamtengo wowonjezereka ndi shaft shaft. Komabe, kutayika kwa gearbox (nthawi zambiri 3-10%) ndi kubwezeretsa kuyenera kuganiziridwa.

Nthawi zina, gwiritsani ntchito molunjika-borque blldc (mainchesi-tating'onoting'ono, kuthamanga kwambiri) kuthetsa ma gearbox, kuchepetsa zovuta zamakina, kumachepetsa zovuta zamakina ndi kumbuyo. Mukamakambirana ndi wopatulira, fotokozerani:

• Chofunikira chotulutsa ndi chothamanga.
• Kubwezeretsa kumbuyo kapena kuuma kwamphamvu.
• Spance Envelope Consraints yamagalimoto ndi zomwe zingatheke.

Izi zimapangitsa wopanga wopanga kuti afotokozere mota-torque nduna kapena mota comprect ndi gearbox yophatikizika.

Kusanthula mawonekedwe owongolera, mayankho, ndi zosowa zabwino

Njira Zosintha ndi Zowongolera Zowongolera

Njira yoyendetsa imathandizira kuti mugwire bwino. Njira zodziwika bwino:

• Kuwongolera kwa trapezoidal (sikisi-sikophweka): Zosavuta, zotsika mtengo, zoyenera kugwiritsa ntchito magwiridwe antchito ambiri ofunikira komwe kukuvomerezedwa.
• Kuwongolera minda (kuwongolera): Kugwiritsa ntchito mphamvu kuwongolera torquorn, yogwira ntchito kwambiri, komanso machitidwe othamanga kwambiri.

Pazogwiritsa ntchito zowongolera motsimikiza, monga kuwongolera kwa kusamvana kapena kuwongolera, chidwi ndi chiuno chomwe chilipo ndipo mwina chiuno cha torque chimalimbikitsidwa. Onetsetsani kuti driver wosankhidwa akhoza kupereka chinsinsi chomwe chikufunika ndikuchirikiza njira yomwe mukufuna.

Zipangizo zamawu ndi maudindo

Motor-torque Motors angafunike mayankho olondola panjira ndi kuwongolera:

• Ma Exy: 60 ° Magetsi Otheratu, okwanira kuti azitha kuwongolera.
• Kukula kokulira: Kuyambira 1,000 mpaka 20,000 mapiri pa kusintha (PPR) kapena kupitilira apo, ogwiritsidwa ntchito pothamanga kwambiri ndi udindo.
• Masithers Oyang'anira: perekani malo ambiri opezeka, othandiza pantchito za servo.

Ngati mukutsimikiza kulondola kwa ± 0.1 ° 0,1 ° 0,1 ° 0,1 ° Kambiranani izi momveka bwino ndi fakitale kapena kunyamula mota, malo opezeka, ndipo kuyendetsa kumafanana ndi dongosolo lathunthu.

Kuyerekeza mtengo, kudalirika, ndi othandizira othandizira

Kuzindikira mtengo wa umwini

Motombiri-torque Blldc Motors nthawi zambiri umakhala zovuta zopangira zida zopangira, kotero mtengo wotsika kwambiri sizabwino kwambiri. M'malo mwake, yesetsani:

• Kuchita bwino (kukhudza mphamvu zogwiritsidwa ntchito maola ambiri).
• Kuyembekezeredwa ndi moyo wokumbukiridwa ndi gawo lanu.
• Kukonza mosiyanasiyana ndi ndalama zotsika.
• Kupezeka kwa supuni ndi nthawi yotsogolera kuchokera kwa wopanga.

Galimoto yomwe imawononga 10-20% kwambiri koma imagwira bwino ntchito ndi 5% ndi moyo wambiri womwe umatha kuchepetsa mtengo wopitilira mafakitale, makamaka ngati maola opitilira 1,000 pachaka.

Kufunika kwa othandizira ndi kusinthasintha

Pofuna kufunsa kwambiri, kugwiritsa ntchito luso laukadaulo ndi wotsatsa wanu ndibwino. Chithandizo champhamvu champhamvu chikuphatikiza:

• Kuwunikanso kwa ntchito ndi kugwirizanitsa kuwerengetsa kutengera zomwe mukufuna.
• Mitundu yamatsenga, mafomu a shaft, zolumikizira, kapena kukweza ma fronges pofunika pakafunika.
• Mafuta, kugwedezeka, ndi kuyesedwa kwa moyo komwe kumachitikanso chimodzimodzi ndi momwe mumagwiritsira ntchito.

Fakitale yabwino imatha kupereka mitundu ya ma catalog yokha komanso yothetsera mayankho omwe ali ndi zinthu zokwanira sizimakumana kwathunthu, kuthamanga, kapena zofunikira zachilengedwe. Mukayeneretsa wogulitsa watsopano, afunseni za deta yogwiritsira ntchito, malipoti apaukadaulo, ndi kuyezetsa zitsanzo musanachitire maoda.

Maxtech amapereka mayankho

Maxtech amachita ngati akatswiri opanga matope a BLDC BLDC ndi othandizira, othandizira makasitomala kuyambira koyamba kutsimikizika kuti atsimikizire zotsimikizika zokwanira. Kutengera utoto wanu, kuthamanga, magetsi, ndi ntchito zozungulira, maxtech oyenera kuwerengera, ndikupangira mphepo zozizira komanso njira zozizira. Fakitalayo imatha kuphatikiza ozungulira, mabuleki, kapena ma gearbones kuti apereke msonkhano wokonzekera khadi yokonzekera, ndipo amatha kutsimikizika ndi kuyeserera kwa torrque. Mwa njira ya mwadongosolo ili, maxtech amathandizira kuti okhazikika, othandiza, komanso odalirika apamwamba kwambiri ogwirizana ndi zopinga zilizonse zomwe zimagwiritsidwa ntchito pazovuta zamakina.