Tarin caji - Gabatarwar yarjejeniyar sadarwa ta caji ta OCPP

1. Gabatarwa ga yarjejeniyar OCPP

Cikakken sunan OCPP shine Open Charge Point Protocol, wanda yarjejeniya ce ta kyauta kuma buɗewa da OCA (Open Charging Alliance) ta ƙirƙiro, wata ƙungiya da ke Netherlands. Ana amfani da Open Charge Point Protocol (OCPP) Open Charge Point Protocol don hanyoyin sadarwa iri ɗaya tsakanin tashoshin caji (CS) da kowane tsarin kula da tashoshin caji (CSMS). Wannan tsarin yarjejeniya yana goyan bayan haɗa tsarin gudanarwa na tsakiya na kowane mai bada sabis na caji tare da duk tarin caji, kuma galibi ana amfani da shi don magance matsaloli daban-daban da sadarwa ke haifarwa tsakanin hanyoyin sadarwa na caji masu zaman kansu. OCPP yana goyan bayan gudanar da sadarwa mara matsala tsakanin tashoshin caji da tsarin gudanarwa na tsakiya na kowane mai bada sabis. Yanayin rufewar hanyoyin sadarwa na caji masu zaman kansu ya haifar da takaici mara amfani ga adadi mai yawa na masu motocin lantarki da manajojin kadarori a cikin shekaru da yawa da suka gabata, wanda ya haifar da kira da yawa a duk faɗin masana'antar don ƙirƙirar samfurin buɗewa. Fa'idodin yarjejeniyar OCPP: buɗe don amfani kyauta, hana kulle-kullen mai bayarwa ɗaya (dandalin caji), rage lokacin haɗin kai/nauyin aiki da matsalolin IT.

2. Gabatarwa ga haɓaka sigar OCPP

A shekarar 2009, kamfanin ƙasar Holland ElaadNL ya fara kafa ƙungiyar Open Charging Alliance, wadda ke da alhakin haɓaka yarjejeniyar caji ta buɗe OCPP da kuma yarjejeniyar caji ta wayar salula ta buɗe OSCP. Yanzu mallakar OCA ne; OCPP na iya tallafawa duk nau'ikan fasahar caji.

3. Gabatarwar sigar OCPP

Kamar yadda aka nuna a ƙasa, daga OCPP1.5 zuwa sabuwar OCPP2.0.1

(1) OCPP1.2 (SABUNA)

(2)OCPP1.5(SABBU)

Tunda akwai ka'idoji masu zaman kansu da yawa a cikin masana'antar da ba za su iya tallafawa ƙwarewar sabis mai haɗin kai da haɗin aiki tsakanin ayyukan masu aiki daban-daban ba, OCA ta jagoranci wajen tsara ka'idar buɗewa OCPP1.5. SOAP yana da iyaka ta hanyar iyakokin ka'idarsa kuma ba za a iya tallata shi da sauri ba a babban sikelin.

OCPP 1.5 tana sadarwa da tsarin tsakiya ta hanyar yarjejeniyar SOAP ta hanyar HTTP don gudanar da wuraren caji. Yana goyan bayan waɗannan fasaloli: Ma'amaloli na gida da na nesa, gami da aunawa don biyan kuɗi.

(3) OCPP1.6(SABO/JSON)

Sigar OCPP 1.6 ta ƙara aiwatar da tsarin JSON kuma tana ƙara girman caji mai wayo. Sigar JSON tana sadarwa ta hanyar WebSocket, wanda zai iya aika bayanai ga juna a kowace mahalli na hanyar sadarwa. Tsarin da aka fi amfani da shi a kasuwa a halin yanzu shine sigar 1.6J.

Yana goyan bayan bayanai kan tsarin JSON bisa ga ka'idar websockets don rage zirga-zirgar bayanai (JSON, JavaScript Object Notation, tsari ne mai sauƙin musayar bayanai) kuma yana ba da damar aiki akan hanyoyin sadarwa waɗanda ba sa goyan bayan hanyar fakitin fakitin caji (kamar intanet na jama'a). Cajin wayo: daidaita kaya, caji mai wayo na tsakiya da caji mai wayo na gida. Bari wurin caji ya sake aika bayanansa (bisa ga bayanin wurin caji na yanzu), kamar ƙimar aunawa ta ƙarshe ko matsayin wurin caji.

(4) OCPP2.0 (JSON)

OCPP2.0, wanda aka fitar a shekarar 2018, yana inganta sarrafa ma'amaloli, yana ƙara tsaro, da kuma sarrafa na'urori: yana ƙara ayyukan caji mai wayo, don tsarin kula da makamashi (EMS), masu kula da gida, da kuma don haɗakar caji mai wayo na motocin lantarki, Tsarin tashoshin caji da tsarin kula da tashoshin caji. Yana goyan bayan ISO 15118: Bukatun caji mai wayo da kuma caji mai wayo ga motocin lantarki.

(5) OCPP2.0.1 (JSON)

OCPP 2.0.1 shine sabon sigar, wanda aka fitar a shekarar 2020. Yana bayar da sabbin fasaloli da haɓakawa kamar tallafi ga ISO15118 (plug and play), ingantaccen tsaro, da kuma inganta aiki gabaɗaya.

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