Cikakken bayani game da ka'idar aiki ta fasaha ta sabis na caji na PnC Plug&Charge -1

1, Matakin gina aminci tsakanin motoci da tashoshin caji

Tabbatar da Shaida:Tashar caji tana tabbatar da asalinta ta hanyar takardar shaidar SECC (Supply Equipment Communication Controller), yayin da motar ke amfani da takardar shaidar tushen V2G da aka riga aka tsara ta masana'anta (Trust Anchor) don tabbatar da daidaito. Don hana hare-haren jabun takardar shaidar, tsarin ya gabatar da OCSP (Tsarin Matsayin Takaddun Shaida akan layi). A cikin sabon ƙa'idar ISO15118-20, tabbatar da sokewa na ainihin lokaci ya zama dole ga duk takaddun shaida (gami da takaddun shaidar Sub CA da Leaf) don tabbatar da cewa kowace hanyar sadarwa tana ƙarƙashin sa ido sosai kan bin ƙa'idodi.

A wannan matakin, abin hawa (EV) da tashar caji (EVSE) suna musabaha bisa ga yarjejeniyar ISO 15118. Bayan kammala aikin shigar da bindiga da kuma gina hanyar sadarwa ta dijital, ɓangarorin biyu za su yi shawarwari don tantance sigar aikace-aikacen Yarjejeniyar Tsaron Layer na Sufuri (TLS):

• TLS 1.2ana amfani da shi a cikin ma'aunin ISO 15118-2;
• Lokacin amfani daISO 15118-20daidaitaccen tsari,TLS 1.3an karɓe shi;

1. Tashar caji tana gabatar da sarkar takardar shaidarta ga motar lantarki, gami da takardar shaidar Mai Kula da Sadarwar Kayan Aiki (SECC) da takardar shaidar Hukumar Takaddun Shaida ta Tsakiya (Sub CA), don kammala tantance asalin motar da aka amince da ita.
2. Motocin lantarki suna amfani da anchors na aminci da aka riga aka shigar (misali takaddun shaidar tushen V2G da aka riga aka saita kafin isar da abin hawa ga masu amfani) don tabbatar da cikakken sarkar takardar shaidar da tashoshin caji suka gabatar.
3. Motocin lantarki za su fuskanci tantance matsayin soke takardar shaida: A ƙarƙashin ƙa'idar ISO 15118-2, an tsara takaddun shaida na SECC tare da lokacin inganci na ɗan gajeren lokaci (watanni 2-3), kuma an tabbatar da matsayin soke takardar shaidar CPO Sub CA ta hanyar Yarjejeniyar Matsayin Takaddun Shaida ta Kan layi (OCSP); ƙa'idar ISO 15118-20 tana buƙatar duk takaddun shaida su sami tantance matsayin sokewa ta hanyar OCSP.
4. Bayan an kammala dukkan matakan tabbatarwa, motar lantarki za ta iya tabbatar da amincin tashar caji, kuma za a aika cikakken bayanan sadarwa na gaba ta amfani da hanyoyin ɓoye.

2, Matakin tattaunawa kan hanyar gane asali

Manhajar da ke tsakanin EIM da PnC: Tsarin ya haramta yin "ganewar asali biyu" ga masu amfani. Idan aka gano cewa mai amfani ya fara da hannu ta hanyar RFID ko App (yanayin EIM), dole ne tashar caji ta dakatar da tsarin kunna PnC ta atomatik don guje wa haɗarin kasuwanci na kwafi na lissafin kuɗi.

Ma'aunin ISO 15118 ya bayyana hanyoyi guda biyu na gane asalin zaman caji:

• 1. Hanyar Ganowa ta Waje (EIM):ya ƙunshi katunan tantance mitar rediyo (RFID), katunan kuɗi, aikace-aikacen wayar hannu, lambobin QR, da sauransu;
• 2. Toshewa da Caji:Tsarin tantancewa mai sarrafa kansa wanda ya dogara da takaddun shaida.

Babban ƙuntatawa:Tashoshin caji ba za su yi wa masu amfani da su gane asali biyu ba. Idan mai amfani ya kammala tantancewa ta hanyar amfani da hanyoyin waje kamar katin RFID kafin ya haɗa bindigar caji, tashar caji ya kamata ta dakatar da kunna aikin toshewa da kunnawa; In ba haka ba, yana iya haifar da a yi ta ba da takardar shaidar kwangila akai-akai, wanda ke haifar da haɗarin biyan kuɗi mai yawa.

3, Matakin tabbatar da asalin abin hawa

Bayan tsarin ya zaɓi yanayin caji na plug and play, motar lantarki za ta miƙa takardar shaidar kwangila da takardar shaidar Sub CA mai tallafawa ga tashar caji. An haɗa takaddun shaida da ke sama cikin cikakken sarkar takardar shaida, kuma za a ƙaddamar da tsarin tabbatar da asalin asalin a hukumance. Bayan ƙarshen zai yi bincike da yawa na tsaro don tabbatar da sahihancin zaman caji, ingancin asusun biyan kuɗi, da kuma hana haɗarin jabun shaidar abin hawa.

Domin hana sake kai hare-hare (misali masu kutse suna katse saƙonnin izini da aika su akai-akai), tsarin yana samar da lambar ƙalubalen bazuwar bit 128. Dole ne motar ta yi amfani da maɓalli na sirri don sanya hannu kan lambar ƙalubalen, kuma tashar caji za ta yi tabbatar da sa hannu na matakin milise seconds a gida ta amfani da maɓallin jama'a na takardar shaidar kwangila. Wannan ɓoye-ɓoye mara daidaituwa yana tabbatar da keɓancewa da rashin ƙin amincewa da izini nan take.

1. Tabbatar da ingancin tukwanen caji akan sarƙoƙin takaddun shaida

Tashar caji ko tsarin baya na CPO yana buƙatar kammala waɗannan ingantattun tabbaci guda biyu:

• Tabbatar da inganci:Tabbatar da cewa duk takaddun shaida a cikin sarkar takardar shaidar suna cikin lokacin ingancinsu;
• Tabbatar da sahihanci:Tabbatar da ingancin cikakken sa hannun dijital daga takardar shaidar kwangila zuwa takardar shaidar tushe.

Sharuɗɗan aiwatar da tabbatarwa na gida shine cewa tashar caji ta riga ta saita takardar shaidar tushen da ta dace - yawanci takardar shaidar tushen V2G CA da mai aiki na PKI ke bayarwa, kuma a wasu lokuta, takardar shaidar tushen CA ta MSP (tare da ƙarancin rabon aikace-aikace).

2. Tabbatar da matsayin soke takardar shaidar ta yanar gizo

Wani ɓangare na tsarin tabbatarwa ya dogara ne akan hulɗar yanar gizo, kuma tabbatar da matsayin soke takardar shaidar yana ɗaya daga cikin manyan hanyoyin. Tashar caji za ta fara tambaya ga mai amsawar OCSP da aka riga aka saita a cikin takardar shaidar don tabbatar da cewa ba a soke nau'ikan takaddun shaida guda biyu masu zuwa ba:

• Takardar Shaidar CPO Sub CA (wanda ya dace da ka'idojin ISO 15118-2 da ISO 15118-20);
• Takardar shaidar kwangila (wanda ya dace da ƙa'idar ISO 15118-20 kawai);

3. Tabbatar da matsayin asusun biyan kuɗi

Bayan an kammala caji, tsarin zai kammala aikin ta atomatik daga musayar bayanai zuwa karɓar kuɗi: Bayan tabbatar da ingancin takardar shaidar, CPO zai tabbatar da ingancin kwangilar lissafin kuɗi na mai amfani. Tsarin zai cire ID na mai ba da sabis daga mai gano asusun hanyar sadarwa na abin hawa (EMAID), kuma CPMS zai haɗa MSP mai dacewa da wannan ID don tabbatar da cewa asusun ba ya cikin yanayin da aka dakatar ko aka soke.

4. An fara aiwatar da caji

Bayan tabbatar da asalin motar lantarki, motar da tashar caji za su bi tsarin musayar saƙonni na ƙa'idar ISO 15118, su yi shawarwari kan sigogin caji da lokacin caji, sannan su fara aikin caji a hukumance.

Domin kammala aikin toshewa da caji na PnC (Plug&Charge), ya zama dole a saita, adanawa, da kuma tabbatar da takardar shaidar kwangilar, sannan a tabbatar da tsarin kayan da aka ɓoye da aka sanya a cikin ƙarshen abin hawa (EV) da ƙarshen tarin (EVSE).

Kamar yadda aka ambata a sama, a cikin tsarin yarjejeniyar TLS:TLS 1.2:an daidaita shi da ISO 15118-2;TLS 1.3:Ya dace da ISO 15118-20; Duk ɓangarorin sadarwa suna buƙatar samun nau'ikan bayanai guda biyu:Kayan asalikumakayan amanaDaga cikinsu, ma'ajiyar maɓalli tana adana maɓallin sirri na na'urar da takardar shaidar ganye mai dacewa, wanda ake amfani da shi don tabbatar da "halaccin asali"; Taskar ajiyar kaya ta Trust tana adana takaddun shaida na CA masu aminci (anch na aminci), waɗanda ake amfani da su don tabbatar da ingancin takaddun shaida na ɗayan ɓangaren da kuma amsa tambayar "iyakar aminci".