130/286kW E-axle mai haɗaka don manyan motocin tsabtace wutar lantarki/ manyan motoci masu nauyi/tarakta

Samfuran daidaitawa na aksali ɗaya: manyan motocin tsafta na tan 18, manyan motoci

Samfuran daidaitawa tagwayen axle: tarakta 6 * 4 / 8 * 4

Yi amfani da tsarin gudanar da haɓaka samfuran PLM na duniya na ci gaba

A cikin watanni da dama, ta hanyar ci gaba gaba ɗaya

Ya ƙunshi wuraren bita guda 13 da kuma manyan abubuwan da aka bayar guda 96

Tare da saurin haɓaka fasahar abin hawa na lantarki (EV), axle ɗin tuƙi na lantarki, a matsayin babban sashi don watsa wutar lantarki, yana tasiri kai tsaye kan ingancin abin hawa da aiki. Wannan takarda ta mayar da hankali kan nazarin tsarin axle ɗin tuƙi na lantarki, bincika mahimman abubuwan da ke ciki da fasalulluka na fasaha.

Tsarin aksali na aksali na lantarki ya haɗa abubuwa guda huɗu: "motar tuƙi + tsarin watsawa + bambancin + rabin shaft." Ba kamar aksali na motocin mai na gargajiya ba, injin tuƙinsa yawanci yana amfani da injin dindindin mai aiki da maganadisu (PMSM), wanda aka haɗa kai tsaye tare da mai ragewa (mataki ɗaya/mataki da yawa) da bambancin, yana kawar da kamawa da akwatunan gearbox. Wannan yana sauƙaƙa sarkar watsawa - misali, ƙirar da aka haɗa ta "mai rage-bambancen-mota" ta yau da kullun tana rage tsawon aksali da kashi 30%, rage nauyi da kashi 15%, kuma tana inganta ingancin watsawa zuwa sama da kashi 96%.

Sauƙin nauyi da sarrafa zafi muhimman sabbin abubuwa ne. Gidajen ƙarfe na aluminum suna maye gurbin ƙarfe na gargajiya, tare da tashoshin sanyaya ruwa/iska don rage zafi daga injin da na'urar rage zafi. Rabin shafts suna amfani da haɗakar ƙarfe mai ƙarfi ko carbon fiber, suna rage nauyin da ba a iya fitar da shi ba yayin da suke tabbatar da watsa karfin juyi da kuma inganta sarrafa abin hawa.

(Tsarin Waje na Axle na Wutar Lantarki)

A taƙaice, tsarin haɗakar, mai sauƙi, da inganci mai kyau na axles ɗin tuƙi na lantarki babban direba ne na fasaha don faɗaɗa kewayon EV da haɓaka aiki.

Zurfin Darajar Tsarin Haɗaɗɗen Zane: Nasarorin Daidaitawa da Daidaitawa

Haɗin axles ɗin tuƙi na lantarki na "uku-cikin-ɗaya" (mai rage-bambancen-mota) ba wai kawai tarin kayan aiki bane, amma yana cimma ingantaccen aiki da sarari ta hanyar ƙirar gine-gine na zamani. A cikin axles na gargajiya, ana samar da injina, masu rage-sauye, da bambance-bambance ta hanyar dillalai daban-daban, suna buƙatar haɓaka musamman don daidaitawar haɗin gwiwa. Sabanin haka, axles ɗin tuƙi na lantarki suna haɗa abubuwa da yawa cikin tsari ɗaya mai aiki ta hanyar haɗa axes ɗin watsa karfin juyi, daidaita ramukan hawa, da daidaita hanyoyin sanyaya. Ɗauki mafita da aka samar da yawa daga babban mai kera motoci a matsayin misali: axles ɗin tuƙi na lantarki yana ɗaukar tsarin haɗa mutu-siminti don gidan stator-rotor-reducer, yana rage lokacin haɗuwa da abubuwa da yawa daga awanni 3 zuwa mintuna 20 yayin da yake rage nauyin abubuwan haɗin gwiwa da kashi 12%. Wannan ƙirƙira yana ba da tallafi mai mahimmanci ga rage nauyi a cikin abin hawa da sarrafa farashi.

(Injiyar Motar Wutar Lantarki)

Tsarin Watsawa: Tsallakewar Fasaha daga "Canja Wutar Lantarki" zuwa "Inganta Makamashi"

Bayan haɗewa, inganta ingancin watsa aksali na tuƙi na lantarki yana da alaƙa da inganta tsarin microstructural. Ɗauki mai ragewa a matsayin misali: manyan hanyoyin magancewa suna amfani da haɗin gear helical + gear na duniya. Idan aka kwatanta da gear spur, gear helical yana ƙara yankin hulɗar saman haƙori da 20%. Idan aka haɗa shi da fasahar gyaran bayanin haƙori na matakin micrometer (misali, gyaran siffar ganga, zagaye ƙarshen haƙori), hayaniyar meshing tana raguwa da 5dB, kuma asarar watsawa tana raguwa da 3%-5%. Ga saitin gear na duniya, inganta daidaiton ma'auni da kusurwar matsi tsakanin gear na rana da gear na duniya yana ɗaga ma'aunin raba nauyi zuwa ƙasa da 1.1 (idan aka kwatanta da ~1.3 don bambance-bambancen motocin mai na gargajiya), yana tabbatar da rarraba damuwa iri ɗaya a tsakanin gear da tsawaita rayuwar sabis. Bugu da ƙari, manyan hanyoyin magancewa suna gabatar da ƙirar "motar sanyaya mai + mai rage ruwa a cikin ruwa", inda mai mai shafawa a lokaci guda yana sarrafa sanyaya da man shafawa na injin. Wannan yana kawar da asarar inganci daga tsarin sanyaya na gargajiya, yana tura ingancin watsawa sama da 97%.

（Zane-zanen Tsarin Cikin Gida na Axle na Motar Lantarki)

Gudanar da Zafin Hankali: Tsarin Daidaitawa don Cikakken Ayyukan Yanayi

Don magance buƙatun sarrafa zafi a duk faɗin yanayin aiki na abin hawa na lantarki—hanzari mai sauri, saurin da ya dace, da birki—an sanya sabbin axles na tuƙi na lantarki da tsarin sarrafa zafin jiki mai wayo. Babban abin da ke haifar da hakan shi ne tura na'urori masu auna zafin jiki na NTC a cikin manyan wuraren samar da zafi (na'urorin juyawa na mota, bearings masu rage zafi, gidaje daban-daban), tare da bayanan halin yanzu na ainihin lokaci daga na'urorin wutar lantarki na IGBT. ECU tana daidaita saurin kwararar da'irar sanyaya ruwa (lokacin amsawa

（Zane-zanen Tsarin Cikin Gida na Axle na Motar Lantarki)

Kammalawa: Haɗakar Tsarin Manyan Lantarki Mai Girma na 800V da Chassis na X-by-Wire

Tare da yaduwar dandamalin wutar lantarki mai ƙarfin lantarki 800V, axles na tuƙi na lantarki suna canzawa zuwa "babban ƙarfin lantarki da yawan ƙarfin lantarki mai yawa." Sabbin hanyoyin samar da mafita, waɗanda suka rungumi inverters na silicon carbide (SiC), injunan waya mai faɗi (misali, windings mai layi 8/10), da kuma watsar da zafi mai sanyaya mai, sun tura yawan wutar lantarki fiye da 5kW/kg (idan aka kwatanta da ~3kW/kg don dandamalin 400V na gargajiya). A halin yanzu, haɗin kai da chassis na x-by-wire yana ƙara zama sananne: ƙarshen fitowar axles na tuƙi na lantarki yana da kayan haɗin da aka tanada don makullan bambanci masu sarrafa waya, yayin da rabin shafts ke haɗa na'urori masu auna karfin juyi. Wannan yana ba da damar karɓar umarni kai tsaye daga mai sarrafa yankin chassis, yana sauƙaƙe rarraba karfin juyi daidai da daidaitawar tuƙi na ƙafa huɗu don tallafawa matakin aiwatar da tuƙi mai hankali.

Daga "haɗakar aiki" zuwa "haɗin gwiwa mai hankali," sabbin abubuwa a cikin axles ɗin tuƙi na lantarki suna sake fasalta iyakokin wutar lantarki na motocin lantarki. Tare da ci gaba a cikin kimiyyar kayan aiki, fasahar kwaikwayo, da hanyoyin kera kayayyaki, axles ɗin tuƙi na lantarki na gaba na iya ƙara haɗa ayyuka kamar adana makamashi (misali, injunan cibiya + batura masu rarrabawa) da kuma ji (na'urori masu auna sigina na IMU da aka gina a ciki), suna fitowa a matsayin babban maƙallin a cikin "tashar wayar hannu mai wayo."