Kwemakore akati wandei, tanga tichiona brushless mota dzichitanga kutonga isina cordless chishandiso muindasitiri yezvishandiso. Izvi zvakanaka, asi chii chikuru? Izvo zvakakosha here chero ndichigona kutyaira iyo screw yehuni? um, hongu. Pane misiyano yakakosha uye mhedzisiro kana uchibata nebrushed motors uye brushless mota.
Tisati tanyura mune maviri-tsoka bhurashi uye brushless mota, ngatitangei tinzwisise ruzivo rweiyo chaiyo yekushanda musimboti weDC motors. Kana zvasvika pakutyaira mota, zvese zvine chekuita nemagineti. Magineti anopikisana anokwezvana. Iro zano rekutanga remota yeDC ndeyekuchengeta yakatarisana nemagetsi kuchaji yechikamu chinotenderera (rotor) inokwezvwa kune isinga zungunuke magineti (stator) pamberi payo, nekudaro ichienda mberi. Zvakafanana nekuisa Boston Butter Donut padanda pamberi pangu pandinomhanya-ndicharamba ndichiedza kuibata!
Mubvunzo ndewokuti ungachengeta sei donuts ichifamba. Hapana nzira iri nyore yekuzviita. Inotanga neseti yemagineti echigarire (anogara magineti). Seti yemagineti emagetsi anochinja charge (reversing polarity) sezvaanotenderera, saka panogara paine magineti echigarire ane chaji yakatarisana inokwanisa kufamba. Uye zvakare, iyo yakafanana ichaja inoonekwa neiyo electromagnetic coil painochinja inosundira iyo coil kure. Kana isu tikatarisa mabhurashi mota uye brushless mota, kuti electromagnet inoshandura sei polarity ndiyo kiyi.
Mumota yakabhurwa, mune zvina zvakakosha zvikamu: magineti echigarire, maaratures, mhete dzekufamba uye mabhurashi. Iyo magineti isingaperi inoumba kunze kwemeshini uye haifambi (stator). Imwe inopomerwa zvakanaka uye imwe inopomerwa zvakashata, ichigadzira magnetic field isingagumi.
The armature icoil kana nhevedzano yemakoiri anova magineti emagetsi kana apiwa simba. Ichi zvakare chikamu chinotenderera (rotor), kazhinji yakagadzirwa nemhangura, asi aluminium inogonawo kushandiswa.
Mhete ye commutator inogadziriswa kune armature coil mune maviri (2-pole configuration), ina (4-pole configuration) kana zvimwe zvikamu. Vanotenderera nenhumbi dzokurwa. Pakupedzisira, mabhurashi ekabhoni anoramba aripo uye anoendesa kubhadharisa kune yega yega commutator.
Kana iyo armature ichinge yasimbiswa, coil inochajiwa inodhonzwa yakananga kune yakatarisana nechaji magineti. Kana iyo commutator ring pamusoro payo zvakare ichitenderera, inofamba kubva pakubatana kwekabhoni brashi kuenda kune inotevera. Kana yasvika pabhurashi rinotevera, inogashira polarity reversal uye yava kukwezvwa neimwe magineti inogara ichidzoswa nerudzi rumwe chete rwechaji yemagetsi. Tangibly, kana commutator inosvika kune yakaipa bhurashi, ikozvino yakwezvwa neiyo yakanaka inogara magineti. Iyo commutator inosvika nenguva kuti igadzire chinongedzo nechakanaka electrode bhurashi uye kutevera kune isina kunaka inogara magineti. Mabhurashi ari maviri maviri, saka iyo yakanaka coil inokwevera kune inegative magineti, uye iyo inegative coil inodhonza yakananga kune iyo magineti yakanaka panguva imwe chete.
Zvakaita senge ndiri pfuti yekudzingirira Boston Butter Donut. Ndakasvika padyo, asi ndakazochinja pfungwa dzangu ndokutevera ane hutano hwakanaka (polarity yangu kana chishuwo chakachinja). Mushure mezvose, donuts akapfuma mumakori uye mafuta. Ikozvino ndiri kudzingirira masmoothies ndichisundirwa kure neBoston cream. Pandakasvika ikoko, ndakaona kuti madonuts ari nani zvikuru pane smoothies. Chero bedzi ini ndichidhonza trigger, pese pandinosvika kune rinotevera bhurashi, ini ndichachinja pfungwa dzangu uye panguva imwechete kudzingirira zvinhu zvandinoda mudenderedzwa rinotyisa. Ndiyo yekupedzisira application yeADHD. Pamusoro pezvo, isu tiri vaviri ipapo, saka Boston Butter Donuts uye Smoothies vanogara vachidzingirirwa nechido nemumwe wedu, asi vasingafungire.
Mumota isina bhurashi, unorasikirwa nemufambi uye mabhurashi uye uwane yemagetsi controller. Iyo magineti yekusingaperi ikozvino inoshanda se rotor uye inotenderera mukati, nepo stator ikozvino inoumbwa neyekunze yakagadziriswa electromagnetic coil. Iyo controller inopa simba kune yega yega coil zvichienderana nekuchaja kunodiwa kukwezva inogara magineti.
Pamusoro pekufambisa machaji pamagetsi, mutongi anogonawo kupa machaji akafanana kupikisa magineti echigarire. Sezvo machaji emhando imwechete akatarisana, izvi zvinosundira magineti isingaperi. Iye zvino rotor inofamba nekuda kwekudhonza nekusundira masimba.
Muchiitiko ichi, magineti echigarire ari kufamba, saka iye zvino vava shamwari yangu yekumhanya neni. Isu hatichachinji pfungwa yezvatinoda. Pane kudaro, taiziva kuti ndaida Boston Butter Donuts, uye mumwe wangu aida smoothies.
Vatongi vemagetsi vanobvumira mafaro edu emangwanani kuti afambe pamberi pedu, uye tanga tichitevera zvinhu zvakafanana nguva dzese. Iyo controller inoisawo zvinhu zvatisingade kumashure kuti tipe push.
Brushed DC motors iri nyore uye yakachipa kugadzira zvikamu (kunyangwe mhangura isati yave yakachipa). Sezvo mota isina bhurashi inoda mutauriri wemagetsi, iwe uri kutanga kugadzira komputa mune isina tambo chishandiso. Ichi ndicho chikonzero chekusimudza mutengo wemabhurashi motors.
Nekuda kwezvikonzero zvekugadzira, brushless mota dzine akawanda mabhenefiti pamusoro pebrashi mota. Mazhinji acho ane hukama nekurasikirwa kwemabhurashi uye macommutators. Sezvo bhurashi richida kusangana necommutator kuendesa kubhadharisa, zvinokonzeresa kupokana. Friction inoderedza kukurumidza kukwanisika uye panguva imwechete inogadzira kupisa. Zvakafanana nekuchovha bhasikoro rine mabhureki akareruka. Kana makumbo ako akashandisa simba rimwe chete, kukurumidza kwako kunoderera. Zvakasiyana, kana iwe uchida kuchengetedza kukurumidza, unoda kuwana simba rakawanda kubva pamakumbo ako. Iwe uchadziisawo marimu nekuda kwekupisa kunopisa. Izvi zvinoreva kuti, zvichienzaniswa neakabhurashwa mota, brushless mota dzinomhanya pakadzika tembiricha. Izvi zvinovapa hunyanzvi hwepamusoro, saka vanoshandura simba remagetsi rakawanda kuita simba remagetsi.
Carbon brushes inoperawo nekufamba kwenguva. Izvi ndizvo zvinokonzeresa sparks mukati memamwe maturusi. Kuti uchengetedze chishandiso chinoshanda, brashi inofanira kuchinjwa nguva nenguva. Brushless motors haidi rudzi urwu rwekugadzirisa.
Kunyangwe mabhurashi emagetsi achida ma controller emagetsi, musanganiswa we rotor / stator unowedzera compact. Izvi zvinotungamira kumikana yekureruka huremu uye yakawanda compact saizi. Ichi ndicho chikonzero tichiona zvishandiso zvakawanda seMakita XDT16 kukanganisa mutyairi ane Ultra-compact dhizaini uye simba rine simba.
Panoratidzika kunge paine kusanzwisisana nezve brushless motors uye torque. Brushed kana brushless mota dhizaini pachayo hainyatso kuratidza ukuru hwe torque. Semuenzaniso, iyo torque chaiyo yekutanga Milwaukee M18 peturu yekuboora sando yaive diki pane yapfuura brushed modhi.
Nekudaro, mukupedzisira mugadziri akaziva zvimwe zvinhu zvakakosha. Iwo emagetsi anoshandiswa mune brushless mota anogona kupa simba rakawanda kune aya mota kana zvichidikanwa.
Sezvo mabhurashi emagetsi ave kushandisa epamberi magetsi ekudzora, anogona kunzwa kana atanga kudzika pasi pemutoro. Chero bedzi bhatiri uye mota zviri mukati meiyo tembiricha yakatarwa renji, iyo brushless mota yemagetsi inogona kukumbira uye kugamuchira yazvino kubva kubhatiri pack. Izvi zvinobvumira zvishandiso senge brushless drills uye masaha kuchengetedza kumhanya kwakanyanya pasi pemutoro. Izvi zvinoita kuti vakurumidze. Kazhinji inokurumidza zvikuru. Mimwe mienzaniso yeizvi inosanganisira Milwaukee RedLink Plus, Makita LXT Advantage uye DeWalt Perform uye Dzivirira.
Aya matekinoroji anobatanidza zvisina mutsetse mota dzechishandiso, mabhatiri, uye zvemagetsi mune yakabatana sisitimu kuti iwane kuita kwakaringana uye nguva yekumhanya.
Kuchinja-chinja polarity yechaji-tanga iyo brushless mota uye irambe ichitenderera. Tevere, iwe unofanirwa kudzora kumhanya uye torque. Iyo yekumhanyisa inogona kudzorwa nekushandura voltage yeBLDC mota stator. Modulating iyo voltage pane yakakwirira frequency inobvumidza iwe kudzora kumhanya kwemota kusvika padanho rakakura.
Kuti udzore torque, kana torque mutoro wemota uchikwira pamusoro peimwe nhanho, unogona kuderedza stator voltage. Ehe, izvi zvinounza zvakakosha zvinodiwa: mota yekutarisa uye sensors.
Hall-effect sensors inopa nzira isingadhuri yekuona nzvimbo ye rotor. Ivo vanogona zvakare kuona kumhanya nenguva uye kuwanda kweiyo nguva sensor switch.
Chinyorwa chemupepeti: Tarisa yedu Chii chinonzi sensorless brushless mota chinyorwa kuti udzidze kuti BLDC mota tekinoroji inoshandura sei maturusi emagetsi.
Iko kusanganiswa kwemabhenefiti aya kune imwe mhedzisiro-yakareba hupenyu hurefu. Kunyangwe iyo waranti yemabhurashi uye brushless mota (nezvishandiso) mukati mechiratidzo kazhinji yakafanana, unogona kutarisira hupenyu hurefu kune mabhurashi mamodheru. Izvi zvinowanzova makore akati wandei kupfuura nguva yewaranti.
Rangarira pandakati vatongi vemagetsi vari kuvaka makomputa mumaturusi ako? Brushless motors zvakare inzvimbo yebudiriro yezvishandiso zvakangwara zvekukanganisa indasitiri. Pasina kuvimbika kwebrashiless motors pakukurukurirana kwemagetsi, Milwaukee's one-bhatani tekinoroji yaisashanda.
Pawachi, Kenny anoongorora zvakadzama zvipimo zvinoshanda zvematurusi akasiyana uye anoenzanisa misiyano. Abva kubasa, kutenda kwake uye rudo kumhuri yake ndicho chinhu chake chekutanga. Iwe unowanzo kunge uri mukicheni, kuchovha bhasikoro (iye ari triathlon) kana kutora vanhu kunze kwezuva rekubata hove muTampa Bay.
Kuchiri kushomeka kwevashandi vane unyanzvi muUnited States yose zvayo. Vamwe vanoridaidza kuti "gap rehunyanzvi." Kunyangwe kuwana 4-gore dhigirii reyunivhesiti kungaratidzika se "hasha dzese," ongororo yazvino kubva kuBureau yeLabour Statistics inoratidza kuti maindasitiri ane hunyanzvi akadai semawelder nevanogadzira magetsi akaiswa zvekare [...]
Kare 2010, takanyora nezve mabhatiri ari nani tichishandisa graphene nanotechnology. Uku kubatana pakati peDhipatimendi reMagetsi neVorbeck Materials. Masayendisiti anoshandisa graphene kugonesa mabhatiri e-lithium-ion kuchajwa mumaminitsi pane maawa. Pave nenguva. Kunyangwe graphene isati yaitwa, tadzoka nemamwe mabhatiri e lithium-ion achangoburwa […]
Kuturika mufananidzo unorema pamadziro akaoma hazvina kuoma zvakanyanya. Nekudaro, iwe unoda kuve nechokwadi kuti unozviita nemazvo. Zvikasadaro, iwe uchatenga furemu nyowani! Kungosonera screw kumadziro hakuitembure. Iwe unofanirwa kuziva nzira yekusavimba nayo [...]
Hazvishamisi kuda kuisa waya dzemagetsi 120V pasi pevhu. Iwe unogona kuda kugonesa shedhi yako, musangano kana garaji. Kumwe kushandiswa kunowanzo kugonesa mapango emwenje kana magonhi emagetsi. Chero zvazvingaitika, iwe unofanirwa kunzwisisa zvimwe zvepasi pevhu wiring zvinodiwa kuti usangane [...]
Ndatenda netsanangudzo. Ichi ndicho chinhu chandanga ndichinetseka kwenguva yakareba, ndichiona kuti vanhu vazhinji vari kufarira brushless (inogona kushandiswa senharo yezvishandiso zvemagetsi zvinodhura uye drones).
Ndinoda kuziva: Ko controller inonzwawo kumhanya here? Hazvifanirwe kuitwa here kuwiriranisa? Iyo ine Hall zvinhu zvinonzwa (kutenderera) magineti?
Haasi ese mabhurashi mota ari nani pane ese akabhurwa mota. Ini ndoda kuona kuti hupenyu hwebhatiri hweGen 5X hunofananidzwa sei neyakatangira X4 pasi pepakati kusvika kumitoro inorema. Chero zvazvingave, mabhurashi haatombove chinhu chinomisa hupenyu. Iyo yekutanga mota kumhanya yemidziyo isina cord ingangoita 20,000 kusvika 25,000. Uye kuburikidza neyakagadzika giya remapuraneti seti, kudzikisira kunenge 12: 1 mugiya repamusoro uye nezve 48: 1 mune yakaderera giya. Iyo inokonzeresa michina uye mota rotor mabearings anotsigira 25,000RPM rotor mumhepo ine huruva mhepo kazhinji inzvimbo dzisina simba.
Semubatsiri weAmazon, tinogona kuwana mari kana iwe ukadzvanya paAmazon link. Tinokutendai nekutibatsira kuita zvatinoda kuita.
Pro Tool Ongororo ibhuku rakabudirira repamhepo rakapa wongororo yezvishandiso uye nhau dzeindasitiri kubva 2008. Munyika yanhasi yenhau dzepaInternet uye zvemukati zvepamhepo, tinoona kuti nyanzvi dzakawanda dzinotsvageidza pamhepo maturusi makuru emagetsi avanotenga. Izvi zvakaita kuti tifarire.
Pane chinhu chimwe chakakosha chekucherechedza nezvePro Tool Ongororo: Isu tese tiri nezvevashandisi vezvishandiso zvehunyanzvi uye mabhizinesi!
Iyi webhusaiti inoshandisa makuki kuitira kuti tikupe iwe ruzivo rwemushandisi rwakanyanya kunaka. Ruzivo rwekuki inochengetwa mubrowser yako uye inoita mamwe mabasa, sekukuziva iwe paunodzokera kuwebhusaiti yedu uye kubatsira timu yedu kunzwisisa zvikamu zvewebhusaiti zvaunoona zvichinyanya kunakidza uye zvinobatsira. Ndapota inzwa wakasununguka kuverenga yedu yakazara zvakavanzika mutemo.
Zvinetso Zvinodiwa Macookies anofanirwa kugara achigoneswa kuitira kuti isu tigone kuchengetedza zvaunofarira zvemakuki marongero.
Kana ukadzima kuki iyi, hatizokwanisi kuchengetedza zvaunofarira. Izvi zvinoreva kuti iwe unofanirwa kugonesa kana kudzima makuki zvakare pese paunoshanyira iyi webhusaiti.
Gleam.io-Izvi zvinotibvumira kupa zvipo zvinotora ruzivo rwevashandisi vasingazivikanwe, sehuwandu hwevashanyi vewebhusaiti. Kunze kwekunge ruzivo rwemunhu rwakatumirwa nekuzvidira nechinangwa chekuisa zvipo nemaoko, hapana ruzivo rwemunhu ruchaunganidzwa.
Nguva yekutumira: Aug-31-2021