Kodi conveniently kuthetsa vuto la mtunda waufupi kuyenda?Kugawana njinga?galimoto yamagetsi?galimoto?Kapena mtundu watsopano wa scooter yamagetsi?
Anzanu osamala adzapeza kuti ma scooters amagetsi ang'onoang'ono ndi onyamula akhala chisankho choyamba kwa achinyamata ambiri.
Ma scooters amagetsi osiyanasiyana
Mawonekedwe odziwika bwino a ma scooters amagetsi ndi mawonekedwe a L, mawonekedwe a chimango chimodzi, opangidwa mwanjira ya minimalist.Chogwirizira chimatha kupangidwa kuti chikhale chopindika kapena chowongoka, ndipo chowongolera ndi chogwirizira nthawi zambiri zimakhala pafupifupi 70 °, zomwe zimatha kuwonetsa kukongola kwapakatikati kwa msonkhano wophatikizidwa.Pambuyo popinda, njinga yamoto yovundikira yamagetsi imakhala ndi "mawonekedwe amodzi".Kumbali imodzi, imatha kuwonetsa mawonekedwe osavuta komanso okongola opindidwa, ndipo kumbali ina, ndi yosavuta kunyamula.
Ma scooters amagetsi ndi otchuka kwambiri pakati pa aliyense.Kuphatikiza pa mawonekedwe, pali zabwino zambiri:
Zonyamula: Kukula kwa ma scooters amagetsi nthawi zambiri kumakhala kochepa, ndipo thupi nthawi zambiri limapangidwa ndi aluminum alloy, yopepuka komanso yonyamula.Poyerekeza ndi njinga zamagetsi, ma scooters amagetsi amatha kunyamulidwa mosavuta mu thunthu la galimoto, kapena kunyamulidwa pa subways, mabasi, ndi zina zotero, angagwiritsidwe ntchito pamodzi ndi njira zina zoyendera, zosavuta kwambiri.
Chitetezo cha chilengedwe: Ikhoza kukwaniritsa zosowa za kuyenda kwa mpweya wochepa.Poyerekeza ndi magalimoto, palibe chifukwa chodera nkhawa za kuchuluka kwa magalimoto m'tawuni komanso zovuta zoimika magalimoto.
Chuma chapamwamba: Scooter yamagetsi imayendetsedwa ndi batri ya lithiamu, batire ndi lalitali komanso kugwiritsa ntchito mphamvu kumakhala kochepa.
Kuchita bwino: Ma scooters amagetsi nthawi zambiri amagwiritsa ntchito maginito okhazikika a maginito kapena ma brushless DC motors.Ma motors ali ndi kutulutsa kwakukulu, kuchita bwino kwambiri, komanso phokoso lochepa.Nthawi zambiri, kuthamanga kwambiri kumatha kufika kupitirira 20km/h, yomwe ndi yachangu kwambiri kuposa njinga zomwe zimagawidwa.
Kapangidwe ka scooter yamagetsi
Kutengera chitsanzo cha njinga yamoto yovundikira yamagetsi, pali magawo opitilira 20 mgalimoto yonseyo.Zoonadi, awa si onse.Palinso bolodi lamakina owongolera magalimoto mkati mwagalimoto yamagalimoto.
Ma motor scooter amagetsi nthawi zambiri amagwiritsa ntchito ma motors opanda brushless DC kapena maginito okhazikika a maginito okhala ndi ma watts mazana ndi owongolera apadera.Kuwongolera mabuleki nthawi zambiri kumagwiritsa ntchito chitsulo chosungunuka kapena chitsulo chophatikizika;Mabatire a lithiamu ali ndi mphamvu zosiyanasiyana, zomwe zimatha kusinthidwa malinga ndi zosowa zanu zenizeni.Sankhani, ngati muli ndi zofunika zina za liwiro, yesani kusankha batire pamwamba 48V;Ngati muli ndi zofunikira pamayendedwe apaulendo, yesani kusankha batire yokhala ndi mphamvu yopitilira 10Ah.
Maonekedwe a thupi la scooter yamagetsi amatsimikizira mphamvu yake yonyamula katundu ndi kulemera kwake.Iyenera kukhala ndi mphamvu yonyamula katundu yosachepera ma kilogalamu 100 kuwonetsetsa kuti njinga yamoto yovundikirayo ndi yolimba mokwanira kuti ipirire mayeso pamisewu yaphompho.Pakalipano, njinga yamoto yovundikira yomwe imagwiritsidwa ntchito kwambiri ndi aluminiyamu alloy, yomwe siingangowonjezera kulemera kwake, komanso yabwino kwambiri pakulimba.
Chida chamagulu chimatha kuwonetsa zambiri monga liwiro lapano ndi mtunda, ndipo zowonera za capacitive zimasankhidwa;matayala nthawi zambiri amakhala amitundu iwiri.popanga mawonekedwe opepuka, chimangocho nthawi zambiri chimapangidwa ndi aluminum alloy.njinga yamoto yovundikira yamagetsi ngati imeneyi nthawi zambiri imagulitsidwa pakati pa 1000-3000 yuan.
Core Analysis ya Electric Scooter Technology
Ngati zigawo za scooter yamagetsi zimaphwanyidwa ndikuwunikidwa chimodzi ndi chimodzi, mtengo wagalimoto ndi makina owongolera ndiwokwera kwambiri.Panthawi imodzimodziyo, iwonso ndi "ubongo" wa scooter yamagetsi.Kuyamba, kugwira ntchito, kutsogola ndi kubwereranso, kuthamanga, ndi kuyimitsidwa kwa scooter yamagetsi zimatengera Zonse ndi makina owongolera magalimoto mu ma scooters.
Ma scooters amagetsi amatha kuthamanga mwachangu komanso mosatekeseka, ndipo amakhala ndi zofunika kwambiri pamachitidwe owongolera ma mota, komanso zofunika kwambiri pakuchita bwino kwa mota.Panthawi imodzimodziyo, monga njira yoyendetsera kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake
MCU imagwira ntchito kudzera mumagetsi, ndipo imagwiritsa ntchito mawonekedwe olankhulirana kuti alankhule ndi gawo loyendetsa ndi gawo lamagetsi ndi mphamvu.Gawo loyendetsa pakhomo limalumikizidwa ndi magetsi ndi chowongolera chachikulu cha MCU, ndikuyendetsa galimoto ya BLDC kudzera pagalimoto ya OptiMOSTM.Sensa ya Hall position imatha kuzindikira momwe galimoto ilili pano, ndipo sensa yamakono ndi kasinthidwe kameneka kakhoza kupanga kachitidwe kawiri kotsekeka kamene kamayendetsa galimoto.
Galimoto ikayamba kuthamanga, sensor ya Hall imazindikira komwe kuli injiniyo, imasintha mawonekedwe a rotor magnetic pole kukhala chizindikiro chamagetsi, ndikupereka chidziwitso cholondola chamagetsi osinthira magetsi kuti aziwongolera kusintha kwa chubu yamagetsi. m'dera lamagetsi, ndikubwezeretsanso deta ku MCU.
Sensa yamakono ndi sensor yothamanga imapanga dongosolo lotsekedwa kawiri.Kusiyana kwa liwiro ndikolowetsa, ndipo wowongolera liwiro adzatulutsa zomwe zikufanana.Ndiye kusiyana pakati pa zamakono ndi zenizeni zamakono zimagwiritsidwa ntchito monga kulowetsera kwa wolamulira wamakono, ndiyeno PWM yofananira ndiyotulutsa kuyendetsa maginito okhazikika.Yendani mosalekeza kuti mutsegule kuwongolera ndi kuwongolera liwiro.Kugwiritsa ntchito makina otsekedwa kawiri kungathe kupititsa patsogolo anti-kusokoneza dongosolo.Dongosolo lotsekeka lawiri limawonjezera kuwongolera kwaposachedwa, komwe kumatha kuchepetsa kuchulukira ndi kupitilira apo, ndikupeza kuwongolera bwino, komwe ndi chinsinsi chakuyenda bwino kwa scooter yamagetsi.
Kuphatikiza apo, ma scooters ena ali ndi zida zamagetsi zotsutsana ndi loko.Dongosolo limazindikira liwiro la gudumu pozindikira liwiro la gudumu.Ngati gudumu likuwona kuti gudumu latsekedwa, limangoyang'anira mphamvu ya gudumu lotsekedwa kuti likhale lozungulira komanso likugwedezeka (mbali yotsetsereka ili pafupi 20%), kuonetsetsa chitetezo cha gudumu lotsekedwa. mwiniwake wa scooter yamagetsi.
Electric scooter chip solution
Chifukwa cha liwiro lachitetezo, mphamvu zama scooters amagetsi wamba zimangokhala 1KW mpaka 10KW.Kwa makina owongolera ndi batri ya scooter yamagetsi, Infineon imapereka yankho lathunthu:
Mapangidwe a hardware a dongosolo la scooter control system akuwonetsedwa pachithunzichi chomwe chili pansipa, chomwe chimaphatikizapo kuyendetsa MCU, chipata choyendetsa galimoto, MOS drive circuit, motor, Hall sensor, sensor panopa, speed sensor ndi ma modules ena.
Chofunika kwambiri pa ma scooters amagetsi ndi kukwera kotetezeka.Mu gawo lapitalo, tidawonetsa kuti pali malupu atatu otsekedwa kuti atsimikizire chitetezo cha ma scooters amagetsi: panopa, liwiro ndi Hall.Pazida zitatu zazikuluzikulu zotsekeka - masensa, Infineon amapereka mitundu yosiyanasiyana ya ma sensor.
Kusintha kwa Hall kutha kugwiritsa ntchito chosinthira cha TLE4961-xM cha Hall choperekedwa ndi Infineon.TLE4961-xM ndi cholumikizira cha Hall-effect chopangidwira kuti chizigwiritsidwa ntchito molunjika kwambiri chomwe chili ndi mphamvu yamagetsi yamagetsi yamagetsi yamagetsi komanso kusiyanasiyana kwa kutentha komanso kukhazikika kwa kutentha kwa maginito.Chosinthira cha Hall chimagwiritsidwa ntchito pozindikira malo, chimakhala cholondola kwambiri, chimakhala ndi chitetezo chakumbuyo kwa polarity ndi ntchito zoteteza mopitilira muyeso, ndipo chimagwiritsa ntchito phukusi laling'ono la SOT kuti lisunge malo a PCB.
Sensa yamakono imagwiritsa ntchito Infineon TLI4971 sensor yamakono:
TLI4971 ndi Infineon's high-precision miniature miniature magnetic current sensor ya AC ndi DC muyeso, yokhala ndi mawonekedwe a analogi komanso kutulukira kwapawiri kofulumira komanso kopambana certification ya UL.TLI4971 imapewa zovuta zonse (machulukidwe, hysteresis) zomwe zimachitika ku masensa omwe amagwiritsa ntchito ukadaulo wa flux density technology ndipo ili ndi zodziwikiratu zamkati.Mapangidwe aukadaulo a TLI4971 othandizidwa ndi digito okhala ndi kupsinjika kwa digito ndi chiwongola dzanja cha kutentha kumapereka bata lapamwamba kuposa kutentha ndi moyo wonse.Mfundo yoyezera masiyanidwe imalola kuponderezedwa kwakukulu m'munda mukamagwira ntchito m'malo ovuta.
Sensor yothamanga imagwiritsa ntchito Infineon TLE4922, sensor yogwira ya Hall yomwe ili yabwino kuti izindikire kusuntha ndi malo a ferromagnetic ndi maginito okhazikika, gawo lowonjezera lodziwongolera limakhazikitsidwa kuti liziyenda bwino.Ili ndi mphamvu yamagetsi ya 4.5-16V ndipo imabwera ndi phukusi laling'ono la PG-SSO-4-1 ndi ESD yowonjezereka ndi EMC kukhazikika.
Maluso opangira ma scooter amagetsi amagetsi
Ma scooters amagetsi alinso ndi zina mwamapangidwe ake.Mu gawo la hardware, mawonekedwe omwe amagwiritsidwa ntchito nthawi zambiri amakhala plug yala yagolide yamitundu ingapo, yomwe ndi yabwino kukhazikika komanso kudalirika kwa kulumikizana kwamagetsi.
Mu bolodi la dongosolo lolamulira, MCU imakonzedwa pakati pa bolodi la dera, ndipo dera loyendetsa pakhomo limakonzedwa kutali kwambiri ndi MCU.Pakapangidwe, chidwi chiyenera kuperekedwa pakuwonongeka kwa kutentha kwa chipata choyendetsa galimoto kuti chiganizidwe.Screw terminal power connectors amaperekedwa pa board power board kuti alumikizane kwambiri pakali pano kudzera m'mizere yamkuwa.Pakutulutsa kwa gawo lililonse, zingwe ziwiri zamkuwa zimapanga kulumikizana kwa basi ya DC, kulumikiza milatho yonse yofananira ya gawolo ku banki ya capacitor ndi magetsi a DC.Mzere wina wamkuwa umalumikizidwa mofanana ndi kutuluka kwa theka la mlatho.
Nthawi yotumiza: Dec-23-2022