Kuyambitsa njira yolumikizirana yolumikizirana ndi mulu wochaja - protocol yolumikizirana ya OCPP

1. Chiyambi cha protocol ya OCPP

Dzina lonse la OCPP ndi Open Charge Point Protocol, yomwe ndi protocol yaulere komanso yotseguka yopangidwa ndi OCA (Open Charging Alliance), bungwe lomwe lili ku Netherlands. Open Charge Point Protocol (OCPP) Open Charge Point Protocol imagwiritsidwa ntchito polumikizana pakati pa malo ochapira (CS) ndi njira iliyonse yoyendetsera malo ochapira (CSMS). Kapangidwe ka protocol iyi kamathandizira kulumikizana kwa njira yoyendetsera pakati pa wopereka chithandizo chilichonse chochapira ndi milu yonse yochapira, ndipo imagwiritsidwa ntchito makamaka kuthetsa mavuto osiyanasiyana omwe amayambitsidwa ndi kulumikizana pakati pa ma netiweki achinsinsi ochapira. OCPP imathandizira kasamalidwe kolumikizana kosasunthika pakati pa malo ochapira ndi machitidwe apakati oyendetsera a wogulitsa aliyense. Kutsekedwa kwa ma netiweki achinsinsi ochapira kwabweretsa kukhumudwa kosafunikira kwa eni magalimoto ambiri amagetsi ndi oyang'anira katundu m'zaka zambiri zapitazi, zomwe zapangitsa kuti anthu ambiri azifunsa mtundu wotseguka. Ubwino wa protocol ya OCPP: yotseguka kuti igwiritsidwe ntchito kwaulere, kuletsa kutsekedwa kwa wogulitsa m'modzi (nsanja yochapira), kuchepetsa nthawi yolumikizirana/ntchito ndi mavuto a IT.

2. Chiyambi cha chitukuko cha mtundu wa OCPP

Mu 2009, kampani yaku Dutch ElaadNL idayambitsa kukhazikitsidwa kwa Open Charging Alliance, yomwe makamaka imayang'anira kutsatsa protocol yotsegulira OCPP ndi protocol yotsegulira yanzeru OSCP. Tsopano yomwe ili ndi OCA; OCPP imatha kuthandizira mitundu yonse ya ukadaulo wotsegulira.

3. Chiyambi cha mtundu wa OCPP

Monga momwe zasonyezedwera pansipa, kuyambira OCPP1.5 mpaka OCPP2.0.1 yatsopano

(1) OCPP1.2 (SOPO)

(2)OCPP1.5 (SOPO)

Popeza pali ma protocol ambiri achinsinsi mumakampani omwe sangathandizire ntchito yogwirizana komanso kulumikizana kwa ntchito pakati pa mautumiki osiyanasiyana a ogwira ntchito, OCA idatsogolera popanga protocol yotseguka ya OCPP1.5. SOAP imaletsedwa ndi zoletsa za protocol yake ndipo singalimbikitsidwe mwachangu pamlingo waukulu.

OCPP 1.5 imalumikizana ndi makina apakati kudzera mu protocol ya SOAP kudzera pa HTTP kuti igwiritse ntchito malo ochajira. Imathandizira zinthu zotsatirazi: Malonda am'deralo komanso oyambitsidwa patali, kuphatikizapo kuyeza ndalama zolipirira

(3) OCPP1.6 (SOAP/JSON)

Mtundu wa OCPP 1.6 umawonjezera kugwiritsa ntchito mtundu wa JSON ndikuwonjezera kukula kwa kuyitanitsa mwanzeru. Mtundu wa JSON umalumikizana kudzera pa WebSocket, yomwe imatha kutumiza deta kwa wina ndi mnzake mu netiweki iliyonse. Njira yomwe imagwiritsidwa ntchito kwambiri pamsika pakadali pano ndi mtundu wa 1.6J.

Imathandizira deta ya JSON kutengera protocol ya websockets kuti ichepetse kuchuluka kwa deta (JSON, JavaScript Object Notation, ndi mtundu wopepuka wosinthira deta) ndipo imalola kugwira ntchito pa ma netiweki omwe sathandizira kuyitanitsa mapaketi a malo ochajira (monga intaneti ya anthu onse). Kuchajira mwanzeru: kulinganiza katundu, kutchaji mwanzeru pakati ndi kutchaji mwanzeru kwanuko. Lolani malo ochajira kutumizanso zambiri zake (kutengera zambiri za malo ochajira omwe alipo), monga mtengo womaliza wa metering kapena momwe malo ochajira alili.

(4) OCPP2.0 (JSON)

OCPP2.0, yomwe idatulutsidwa mu 2018, imakonza njira zogulira zinthu, imawonjezera chitetezo, komanso kasamalidwe ka zida: imawonjezera ntchito zochapira mwanzeru, za ma topologies okhala ndi machitidwe oyang'anira mphamvu (EMS), owongolera am'deralo, komanso zochapira mwanzeru magalimoto amagetsi, Topology ya malo ochapira ndi machitidwe oyang'anira malo ochapira. Imathandizira ISO 15118: Zofunikira pakuchapira ndi kusewera ndi zochapira mwanzeru zamagalimoto amagetsi.

(5) OCPP2.0.1 (JSON)

OCPP 2.0.1 ndiye mtundu waposachedwa, womwe unatulutsidwa mu 2020. Umapereka zinthu zatsopano komanso zosintha monga kuthandizira ISO15118 (plug and play), chitetezo chowonjezereka, komanso kusintha magwiridwe antchito onse.

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