Nchiyani Chimalepheretsa Posachedwa Kudumphira Kudutsa Ma Windings Anu Agalimoto?

M'kati mwa injini iliyonse yamagetsi, ma windings amkuwa amanyamula magetsi. Amakhala m'mipata yachitsulo. Chitsulo chimayendetsa magetsi. Copper imayendetsa magetsi. Ngati akhudza, kutayikira kwapano. Akabudula amoto. Kachitidwe kachepa. Pamapeto pake, injiniyo imalephera.

Chinthu chokhacho chomwe chimayima pakati pa mkuwa ndi chitsulo ndi pepala lochepa kwambiri lotchedwapepala losungunula magetsi.

Sizikuwoneka ngati zambiri. Kagawo kakang'ono ka millimeter. Dulani mu mawonekedwe enieni. Yendetsani mu kagawo ma windings asanalowe. Koma popanda izo, galimoto sikugwira ntchito.

Zomwe Insulation Paper Imachita

Pachimake stator amapangidwa ndi zaunikidwa zitsulo laminations. Mipata imakhomeredwa mwa iwo. Wopanga injiniyo amalowetsa kachidutswa kakang'ono ka pepala lotsekera m'chipinda chilichonse, chopindika kuti chitsalire makoma. Ndiye ma windings kulowa. Kenako kagawo mphero kutseka kutsegula.

Pepala ili ndi ntchito zitatu. Choyamba, kutchinjiriza magetsi - kusiya panopa kulumpha kuchokera mkuwa mpaka chitsulo. Chachiwiri, chitetezo cha makina - kutchingira ma windings motsutsana ndi m'mphepete mwazitsulo zazitsulo. Chachitatu, kasamalidwe ka matenthedwe - magiredi ena amathandizira kutentha kutali ndi ma windings.

Ngati pepalalo likulephera pa chilichonse mwa izi, injiniyo imalephera.

Zofunika Mabanja

Sikuti mapepala onse a insulation ali ofanana. Ma motors osiyanasiyana amafunikira zida zosiyanasiyana. Zosankha zimadalira kutentha, magetsi, kupanikizika kwa makina, ndi mtengo.

Gome ili m'munsili likuwonetsa mitundu yomwe imagwiritsidwa ntchito kwambiri popanga magalimoto masiku ano.

DMD ndiye ntchito. Imaphimba ma motors ambiri pamtengo wokwanira. NMN imawonjezera kulimba kwamakina. NHN imawonjezera kukana kutentha. Pepala la Aramid limawonjezera mphamvu zonse za dielectric. Filimu ya polyimide ndi ya mipata yothina.

Kumvetsetsa Maphunziro a Kutentha

Insulation iliyonse imakhala ndi kutentha kwake. Uku si malonda. Ndi malire oyesedwa.

Kusankha kalasi yolakwika ndi kulakwitsa kofala. Ngati injini ikuyenda pa 140 ° C mosalekeza, Gulu B (130 ° C) lidzalephera. Kalasi F (155 ° C) ndiye chisankho chocheperako chotetezeka.

Koma zindikirani: kutentha kwa kutentha kumagwira ntchito mosalekeza. Kutentha kwapamwamba kungakhale kokwera kwambiri. Mainjiniya abwino amawonjezera malire. Galimoto yomwe imayenda pa 140°C mosalekeza iyenera kukhala yotsekereza ya Gulu H, osati Class F yokha.

Zofunika Kwambiri: Zomwe Mapepala Atchuthi Amatanthauza

Litikupenda pepala la insulation, magawo angapo aukadaulo amafunikira. Izi ndi zomwe akutanthauza.

Makulidwe.Amayezedwa mu millimeters. Mtundu wofananira ndi 0.15mm mpaka 0.40mm pama slot liners. Mapepala okhuthala amapereka mphamvu zapamwamba za dielectric komanso chitetezo chabwino chamakina. Mapepala owonda amasiya malo ambiri amkuwa, ndikuwonjezera mphamvu zamagalimoto. Chigamulo cha tradeoff ndi chigamulo cha engineering.

Mphamvu ya dielectric.Amayezedwa mu kilovolts pa millimeter. Izi zimakuuzani kuchuluka kwa magetsi omwe pepalalo lingathe kutsekereza lisanawonongeke. Mtengo wake wa DMD ndi 5-8 kV pa pepala la 0.2mm. Chapamwamba ndi bwino, koma chofunika chenicheni chimadalira mphamvu yamagetsi. Kwa injini ya 400V EV, 3-5 kV ndiyokwanira. Kwa makina a 800V, 6-8 kV ndiyotetezeka.

Kulimba kwamakokedwe.Kuyesedwa mu Newtons pa 15mm m'lifupi. Izi zimakuuzani kuchuluka kwa mphamvu yokoka yomwe pepala lingathe kutenga lisanang'ambe. Zofunikira chifukwa pepalalo limapindidwa ndikulowetsedwa ndi makina. Mapepala opanda mphamvu amisozi panthawi ya msonkhano. Nthawi yopuma imatsatira.

Elongation panthawi yopuma.Kuchuluka kwa kutambasula musanang'ambe. Mapepala omwe amatambasula 10-15% amakhululukira kwambiri panthawi yopinda. Mapepala a Brittle amang'amba pamakona akuthwa.

Kulimbana ndi misozi m'mphepete.Kuyesedwa mu Newtons. Mapepala amapindika. Zipinda zimapanga malo opanikizika. Ngati m'mphepete kukana misozi ndi yochepa, pepala amagawanika pa pindani mzere pamene kulowetsa.

Wopereka wabwino amapereka manambala awa pa satifiketi yazinthu. Wogulitsa wosauka akuti "zimakumana ndi miyezo yamakampani" popanda kupereka zoyezetsa zenizeni.

Chifukwa chiyani EV Motors Ndi Yosiyana

Magalimoto amagetsi asintha msika wa mapepala otsekemera. Zofunikira ndizovuta.

Kutentha kwambiri.Ma EV motors amathamanga kwambiri kuposa ma motors aku mafakitale. Kuzizira kwamadzimadzi kumathandiza, koma malo otentha amafikabe 160-180 ° C. Zida za Class H (180 ° C) ndizokhazikika. Opanga ena akusamukira ku Class C (220°C) kuti apange mapangidwe amibadwo yotsatira.

Ma voltages apamwamba.Ma motors oyambirira a EV adathamanga pa 300-400V. Makina atsopano amathamanga pa 800V. Makina obwera adzayenda pa 1200V kapena kupitilira apo. Zofunikira zamphamvu za dielectric zawonjezeka kawiri. Mapepala omwe adagwira ntchito ya 400V sangakhale otetezeka ku 800V.

Kuwonekera kwa mafuta.Ma motors ambiri a EV amagwiritsa ntchito mafuta kuziziritsa ndi kudzoza. Pepala lotsekera limakhala m'mafuta amenewo. Zida zina zimatupa kapena kutsika mafuta. Mapepala opangidwa ndi polyimide amachita bwino. Mapepala opangidwa ndi polyester angakhale ndi malire. Funsani deta yoyeserera ngati mafuta.

Zochita zokha.Mizere yopanga magalimoto a EV imathamanga kwambiri. Mapepala amadyetsedwa kuchokera ku masikono, odulidwa, opindidwa, ndi kulowetsa okha. Kusasinthasintha kwakuthupi kumafunika. Kusiyanasiyana kwa makulidwe a ± 0.01mm kumatha kupanikizana cholowetsa chodzichitira.

Mavuto Atatu Omwe Amachitika Pamizere Yopanga

Theoretical material properties ndi chinthu chimodzi. Zomwe zimalakwika pansi pafakitale ndi zina.

Vuto loyamba: misozi ya pepala popinda.Makinawo amapinda pepalalo kukhala mawonekedwe a U kuti adutse polowera. Ngati pepalalo liri ndi mphamvu zochepa zong'ambika, limagawanika pamzere wopindika. Mzere wayima. Wothandizira amachotsa kupanikizana. Kupanga kuyambiranso. Izi zimachitika kangapo pakusinthana ndi zinthu zosafunikira.

Vuto lachiwiri: kukula kwa mapepala kumasintha ndi chinyezi.Pepala la Aramid limatenga chinyezi kuchokera mumlengalenga. Pachinyezi chachikulu, chimakula. Mu chinyezi chochepa, imachepa. Makinawa amawunikidwa pa kukula kumodzi. Pepala likasintha kukula, mawonekedwe opindidwa amasintha. Choyikacho chikulephera. Otsatsa abwino amatumiza mapepala m'mapaketi oletsa chinyezi. Mafakitole abwino amazisunga m’zipinda zolamulidwa ndi nyengo.

Vuto lachitatu: kuipitsidwa kwa zomatira.Mapepala ena otchinjiriza amakhala ndi zomatira zoyatsira kutentha mbali imodzi. Pambuyo poika, kutentha kumamangiriza pepala ku makoma a slot. Ngati zomatira zimatuluka panthawi yosungira kapena kusamutsa, zimamatira ku maupangiri amakina. Fumbi limasonkhanitsa. Kulumikizana kumasokonekera. Njira yothetsera vutoli ndi kupanga zoyera komanso zomangira zoyenera.

Momwe Mungatchulire Mapepala a Insulation Molondola

Nachi chitsanzo chodziwika bwino cha EV motor traction drive.

Tumizani izi kwa ogulitsa atatu. Fananizani malipoti a mayeso omwe amapereka. Funsani za kusintha - batch to batch, roll to roll to roll. Wopereka amene amayankha ndi data ndi amene ayenera kumukhulupirira.

Mafunso Six Ogula Amafunsa

Kodi ndingagwiritse ntchito mapepala otchinjiriza omwewo pama injini anga onse?
Osati kawirikawiri. Ma motors osiyanasiyana amatha kutentha ndi ma voltages osiyanasiyana. Kukhazikika pa chinthu chimodzi kumathandizira kuwerengera koma kumakukakamizani kuti mugwiritse ntchito zida zapamwamba kuposa momwe zimafunikira pama mota ena, ndikuwonjezera mtengo. Kapena mumagwiritsa ntchito zinthu zotsika kwambiri komanso kulephera kowopsa. Ndibwino kuti muyenerere zida ziwiri kapena zitatu ndikuzigwirizanitsa ndi ntchito.

Kodi pali kusiyana kotani pakati pa NMN ndi NHN?
Wosanjikiza wapakati. NMN imagwiritsa ntchito filimu ya polyester. NHN imagwiritsa ntchito filimu ya polyimide. Polyimide imapirira kutentha kwambiri. Kwa ma motors omwe akuyenda pansi pa 155 ° C, NMN ndiyabwino. Kwa 155-180 ° C, sankhani NHN. Kusiyana kwa mtengo ndi kochepa.

Kodi mapepala okhuthala nthawi zonse amatanthauza kutchinjiriza bwino?
Osati nthawi zonse. Mphamvu ya dielectric imawonjezeka ndi makulidwe, koma kukwanira kwamakina kumakhala kovuta. Mapepala okhuthala amatenga malo mkati mwa kagawo. Malo amenewo akanatha kusunga mkuwa wochuluka. Okonza magalimoto amasinthanitsa makulidwe a insulation ndi copper fill. Pepala lochepa thupi limalola mkuwa wambiri, mphamvu zambiri, koma zimafuna kuwongolera bwino njira.

Kodi alumali moyo wa pepala insulation ndi chiyani?
Zimatengera kusungirako zinthu. Pakuyika koyambirira, mapepala oyendetsedwa ndi nyengo, aramid amatha zaka. Zinthu zopangidwa ndi poliyesitala zimatha kuwonongeka mwachangu. Zowopsa zazikulu ndi kuyamwa kwa chinyezi komanso ukalamba womatira. Ngati pepala lasungidwa kwa zaka zoposa ziwiri, yesani chitsanzo musanagwiritse ntchito.

Kodi ndingadziwe bwanji ngati pepala la woperekayo likugwirizana?
Funsani deta ya Cpk pa makulidwe. A Cpk ya 1.33 kapena apamwamba amatanthauza kuti njirayo ndi yotheka. Funsaninso malipoti a mayeso a batch-to-batch. Ngati wogulitsa sangapange izi, sakuwongolera njira zawo.

Kodi mapepala otchinjiriza angagwiritsidwenso ntchito?
Zambiri ndi thermoset kapena high-performance thermoplastic. Kubwezeretsanso kumakhala kovuta. Mapepala ena a aramid amatha kubwezeredwa, koma ndondomekoyi sikupezeka kwambiri. Cholinga cha makampaniwa ndikuchepetsa zinyalala pakudula ndi kuyika, osati kukonzanso zinthu pambuyo pa ogula.

Chidziwitso pa Kugwirizana Ndi Slot Wedges

Insulation pepalaamawongolera makoma a slot. The slot wedge amatseka kutsegula. Ayenera kugwirira ntchito limodzi.

Mphepeteyo imakanikiza pepala lomwe limatsegulira. Ngati pepalalo ndi lofewa kwambiri, mpheroyo imakumba. Ngati pepalalo ndi lolimba kwambiri, limasweka pamalo olumikizirana ndi mphero.

Kwa ma EV motors, mainjiniya ambiri amaphatikiza pepala la aramid ndi ma aramid wedge. Banja lakuthupi lomweli, kukula kofanana kwamafuta ndi machitidwe amakina. Kwa ma mota wamba, pepala la DMD lokhala ndi galasi-fiber wedges ndi kuphatikiza kotsimikizika.

Mukamayitanitsa kuchokera kwa ogulitsa, tchulani zinthu zonse pamodzi. Woperekayo amatha kufanana ndi machitidwe azinthu.