Ƙa'idar Aiki na Cajin DC don Sabbin Motocin Makamashi

1. Rarraba tulin caji

TheAC tariyana rarraba wutar AC daga grid ɗin wuta zuwa gamodule cajina abin hawa ta hanyar hulɗar bayanai tare da abin hawa, da kumamodule cajiakan abin hawa yana sarrafa ikon cajin baturin wuta daga AC zuwa DC.

TheGun AC caji (Nau'i1, Type2, GB/T) dominAC tashoshin cajiyana da ramukan tasha 7, ramukan 7 suna da tashoshi na ƙarfe don tallafawa matakai ukuAC tashoshin cajin mota na lantarki(380V), ramukan 7 kawai suna da ramuka 5 tare da tashoshi na ƙarfe sune lokaci ɗayaAC ev caja(220V), bindigogin cajin AC sun yi ƙasa daGungun cajin DC (CCS1, CCS2, GB/T, Chademo).

TheDC tari na cajiyana canza wutar AC na grid ɗin wutar lantarki zuwa wutar DC don cajin baturin abin hawa ta hanyar yin mu'amala da abin hawa tare da bayanai, kuma yana sarrafa ikon fitarwa na tarin caji bisa ga mai sarrafa baturi akan abin hawa.

Akwai ramukan tasha 9 akan bindigar cajin DC donTashoshin caji na DC, kuma bindigar cajin DC ta fi ƙarfin cajin AC girma.

2. Asalin aiki na asali na cajin cajin DC

A cikin ma'auni na masana'antu "NB / T 33001-2010: Sharuɗɗan Fasaha don Cajin Gudanar da Ba a kan Jirgin Sama don Motocin Lantarki" da Hukumar Kula da Makamashi ta Kasa ta bayar, an nuna cewa ainihin abun da ke ciki naDC ev cajaya haɗa da: naúrar wutar lantarki, naúrar sarrafawa, na'ura mai ƙididdigewa, cajin caji, ƙirar wutar lantarki da haɗin gwiwar mutum-kwamfuta. Ƙungiyar wutar lantarki tana nufin tsarin caji na DC, kuma sashin sarrafawa yana nufin mai sarrafa tari. A matsayin samfurin haɗakarwa, ban da abubuwa biyu na "Module cajin DC"da"cajin tari mai kula"wanda ya ƙunshi jigon fasaha, ƙirar tsarin kuma ɗaya daga cikin mahimman abubuwan da ke tabbatar da amincin ƙirar gabaɗayan tari. "Cajin tari mai sarrafa" yana cikin nau'in kayan masarufi da fasahar software, kuma "DC caji module" yana wakiltar babban nasarar fasahar lantarki ta lantarki a fagen AC / DC.

Babban tsarin caji shine: load DC ƙarfin lantarki a ƙarshen baturin, cajin baturi tare da babban halin yanzu, ƙarfin baturin a hankali kuma a hankali yana tashi, tashi zuwa wani matsayi, ƙarfin baturi ya kai ƙimar ƙima, SoC ya kai 95% (don batura daban-daban, daban-daban), kuma ya ci gaba da cajin baturin tare da wutar lantarki akai-akai da ƙananan halin yanzu. "Wadannan wutan lantarki yana tashi, amma baturin bai cika ba, wato bai cika ba, idan akwai lokaci, za ka iya canzawa zuwa wani karamin wuta don wadata shi." Domin gane wannan tsarin caji, cajin tari yana buƙatar samun "DC caji module" don samar da wutar lantarki ta DC dangane da aiki; Wajibi ne a sami "mai kula da tari mai caji" don sarrafa "akan kunnawa, kashewa, ƙarfin fitarwa, da fitarwa na yanzu" na tsarin caji; Wajibi ne a sami "allon taɓawa" a matsayin ƙirar mutum-injin don ba da umarni, kuma mai sarrafawa zai ba da umarni kamar "ikon kunnawa, kashewa, ƙarfin fitarwa, fitarwa na yanzu" da sauran umarni ga tsarin caji. Mafi sauki tulin cajin abin hawa lantarkifahimta daga matakin lantarki kawai yana buƙatar samun tsarin caji, allon sarrafawa da allon taɓawa; Idan umarni kamar kunna wuta, kashewa da fitarwar wutar lantarki] ana yin abubuwan fitarwa zuwa maɓallan madannai da yawa akan tsarin caji, sa'an nan tsarin caji na iya cajin baturi.

Thebangaren lantarki na cajar DCya kunshi firamare da kewaye. The shigar da babban madauki ne uku-phase alternating current, wanda aka canza zuwa kai tsaye halin yanzu karbuwa ta hanyar caji module (rectifier module) bayan shigar da kewayawa breaker da AC smart makamashi mita, sa'an nan ya haɗu da fuse da kuma.ev caja gundon cajin motar lantarki. Da'irar sakandare ta ƙunshi atulin cajin motar lantarkimai sarrafawa, mai karanta katin, allon nuni, mita DC, da dai sauransu. Har ila yau, da'irar ta biyu tana ba da kulawar "farawa" da kuma "tashawar gaggawa" aiki; Hasken siginar yana ba da alamun "jiran aiki", "caji" da "cikakken" alamun matsayi; A matsayin na'urar hulɗar ɗan adam-kwamfuta, nunin yana samar da zazzage katin, saitin yanayin caji da ayyukan sarrafawa na farawa.

An taƙaita ƙa'idodin lantarki na tarin cajin DC kamar haka:

• Kayan caji guda ɗaya a halin yanzu shine 15kW kawai, wanda ba zai iya biyan buƙatun wutar lantarki ba, kuma yana buƙatar nau'ikan caji da yawa don yin aiki tare a layi daya, kuma yana buƙatar samun bas ɗin CAN don cimma rabon yanzu na kayayyaki masu yawa;
• Shigar da tsarin cajin ya fito ne daga grid na wutar lantarki, wanda shine babban ƙarfin wutar lantarki, wanda ya haɗa da grid na wutar lantarki da aminci na sirri, musamman aminci na sirri, dole ne a shigar da maɓallin iska (sunan kimiyya shine "filin harsashi na filastik"), maɓallin kariya na walƙiya ko ma maɗaukakiyar wuta a ƙarshen shigarwa;
• Abubuwan da ake fitarwa na takin caji shine babban ƙarfin lantarki da ƙarfin halin yanzu, baturi shine electrochemical, mai sauƙin fashewa, don hana amincin rashin aiki, fitarwa dole ne ya sami fuse;
• Abubuwan da suka shafi tsaro sune mafi girman fifiko, ban da matakan da aka yi a ƙarshen shigarwar, maƙallan inji da na lantarki dole ne su kasance, gwajin gwaji dole ne ya kasance, kuma dole ne juriya na fitarwa ya kasance;
• Ko baturin ya karɓi caji ba a ƙayyade ta wurin caji ba, amma ta kwakwalwar baturin, BMS. BMS yana ba da umarni ga mai sarrafawa na "ko don ba da izinin caji, ko don ƙare caji, nawa za a iya karɓar ƙarfin lantarki da na yanzu", sannan mai sarrafawa ya ba da shi ga tsarin caji. Sabili da haka, ya zama dole don aiwatar da sadarwar CAN tsakanin mai sarrafawa da BMS, da kuma sadarwar CAN tsakanin mai sarrafawa da tsarin caji;
• Har ila yau, tarin cajin yana buƙatar kulawa da sarrafa shi, kuma mai sarrafawa yana buƙatar haɗa shi zuwa bango ta hanyar WiFi ko 3G / 4G da sauran hanyoyin sadarwa na cibiyar sadarwa;
• Lissafin wutar lantarki don yin caji ba kyauta ba ne, kuma ana buƙatar shigar da mita, kuma ana buƙatar mai karanta katin don gane aikin lissafin kuɗi;
• Akwai buƙatun haske mai haske akan harsashi na caji, yawanci fitilolin nuni uku, waɗanda ke nuna caji, kuskure da samar da wutar lantarki bi da bi;
• Tsarin bututun iska na tarin cajin DC shine maɓalli. Baya ga ilimin tsari, ƙirar bututun iska yana buƙatar saka fanfo a cikin tarin caji, kodayake akwai fanka a cikin kowane tsarin caji.