Menene na'urar rarraba wutar lantarki mai ƙarfin lantarki mai yawa ga motoci?
Sashen rarraba wutar lantarki mai ƙarfin lantarki na motoci (PDU) muhimmin sashi ne a cikin tsarin wutar lantarki mai ƙarfin lantarki na sabbin motocin makamashi, wanda galibi ke da alhakin rarraba wutar lantarki da kuma kula da ita don tabbatar da aminci da kwanciyar hankali na sassan wutar lantarki mai ƙarfin lantarki na motar.
Babban ayyuka
Youdaoplaceholder0 Rarraba da sarrafa wutar lantarki : Rarraba wutar lantarki kai tsaye mai ƙarfin lantarki mai ƙarfi cikin aminci ga kayan aikin lantarki daban-daban, kamar injinan tuƙi, tsarin caji, da sauransu.
Kula da caji da fitarwa na Youdaoplaceholder0 : Yana kula da tsarin caji da fitarwa na tsarin wutar lantarki mai ƙarfi, gami da kariyar lodi, kariyar da'ira ta gajere da kuma aikin ɗaukar samfurin wutar lantarki mai ƙarfi.
Youdaoplaceholder0 ikon sarrafa wutar lantarki mai ƙarancin ƙarfi : ikon sarrafa wutar lantarki da kuma sa ido kan yanayin abubuwan da ke da ƙarfin lantarki mai yawa ta hanyar da'irori masu ƙarancin ƙarfin lantarki.
Tsarin watsa zafi na Youdaoplaceholder0 : Wasu PDUs sun rungumi tsarin sanyaya ruwa ko sanyaya iska don tabbatar da buƙatun watsa zafi na abubuwan da ke da ƙarfin lantarki mai yawa.
Siffofin tsarin
PDU na iya haɗa ayyuka kamar su na'urorin canza DC-DC, na'urorin caji na OBC, da kuma babban sarrafa BMS, wanda ke cimma ƙira mai matuƙar haɗaka. Misali, na'urori uku-ciki-ɗaya da huɗu-ciki-ɗaya na iya haɗa na'urori masu aiki da yawa don biyan buƙatun samfuran motoci daban-daban.
Sashen rarraba wutar lantarki mai ƙarfin lantarki na motoci (PDU) shine babban na'urar sarrafa tsarin wutar lantarki mai ƙarfin lantarki a cikin sabbin motocin makamashi, wanda galibi ke fahimtar ayyukan rarraba wutar lantarki da kariyar aminci. Ga manyan ayyukansa:
Rarraba makamashin lantarki mai ƙarfin lantarki mai girma
PDU tana rarraba wutar lantarki mai ƙarfin lantarki mai ƙarfi (300-800V) ta hanyar batirin wutar lantarki zuwa manyan abubuwan da ke cikinta kamar injin tuƙi, caja a kan jirgin (OBC), na'urar canza DC/DC, da kuma na'urar sanyaya iska ta lantarki. Misali, mai sarrafa motar tuƙi yana da kusan kashi 60% na wutar lantarki, yayin da sauran ke ware su ga tsarin taimako kamar caji da dumama.
Tsarin kariya daga haɗari
Ya haɗa da kariya daga overcurrent, short da'ira, overvoltage da overheat kariya:
Kariyar Youdaoplaceholder0 overcurrent : Idan wutar lantarki ta wuce kashi 120% na ƙimar da aka ƙididdige na tsawon daƙiƙa 2, babban mai haɗa wutar lantarki zai katse kuma fiyusar za ta fashe
Youdaoplaceholder0 Kariyar da'ira ta gajere : Lokacin da impedance ɗin ya yi ƙasa da 100mΩ, ana yanke da'irar a cikin ƙananan daƙiƙa
Youdaoplaceholder0 Kariyar zafin jiki mai yawa : Lokacin da zafin sandar jan ƙarfe ya wuce 110℃, zai rage nauyin a hankali ko kuma ya yanke wutar lantarki
Gano rufin Youdaoplaceholder0 : zai iya gano haɗarin gazawar rufin <500Ω/V kuma ya haifar da ƙararrawa
Haɗa tsarin da sarrafawa
Yana haɗa tsarin juyawa na DC/DC, sashin sarrafa caji da babban aikin sarrafawa na BMS, kuma yana goyan bayan ƙirar modular. Ana karɓar umarnin VCU ta hanyar bas ɗin CAN don cimma ikon sarrafa kunnawa/kashewa na jerin wutar lantarki na babban ƙarfin lantarki (lokacin amsawa <50ms), kuma dabarun rarraba wutar lantarki ana daidaita shi sosai (kamar fifita rufewa na lodi marasa mahimmanci yayin caji).
Manuniyar Aiki
Ingancin rarrabawa ≥98% (ƙarƙashin nauyin da aka kimanta)
Ƙarfin rufin zai iya jure wa AC 2500V na tsawon daƙiƙa 60 ba tare da lalacewa ba
Rayuwar injina ta relay mai ƙarfin lantarki sama da zagaye 100,000
Yana tallafawa aikin daidaita nauyi mai daidaitawa (rage yawan amfani da makamashi da kashi 5-8%)
Kurakurai a cikin sashin rarraba wutar lantarki mai ƙarfi na abin hawa yawanci suna haifar da tsarin wutar lantarki mara kyau, katsewar caji ko lalacewar sassan wutar lantarki, waɗanda aka bayyana musamman kamar haka:
Lalacewar da ta faru
Youdaoplaceholder0 Rashin wutar lantarki : Motar ba za ta iya yin sauri yadda ya kamata ba, kuma matsakaicin gudu yana da iyaka (misali, gudun da ke cikin akwatin yana da kilomita 40/h kawai)
Youdaoplaceholder0 Cajin da ba daidai ba : An katse cajin AC/DC ko kuma ba za a iya fara shi ba (duba kurakurai a layin mai haɗa caji ko firikwensin)
Youdaoplaceholder0 Ƙararrawa ta Kayan Aiki : Yana nuna alamar "Babban matsalar tsarin wutar lantarki" ko "ɓarna tsarin wutar lantarki"
Youdaoplaceholder0 Kariyar kayan lantarki : Tsarin yana yanke da'irar wutar lantarki mai ƙarfi ta atomatik don hana ƙarin lalacewa (kamar masu sarrafa motoci, batirin wutar lantarki, da sauransu)
Dalilan da suka fi yawa
Da'irar buɗewa ta Youdaoplaceholder0 mai ƙarfin lantarki : siginar sa ido mara kyau tana haifar da kulle tsarin (kamar rashin kyawun hulɗar layi, fashewar da'ira)
Lalacewar ciki na akwatin rarrabawa: mai haɗa akwatin rarrabawa mai ƙarfin lantarki mai ƙarfi ya makale, kuma gano ɓullar ya gaza
Youdaoplaceholder0 Gajeren da'ira ko yawan aiki : lalacewar layin kariya na babban ƙarfin lantarki yana haifar da gajeren da'ira zuwa ƙasa
Hanyoyin Bincike
Youdaoplaceholder0 Karanta lambar laifin : Sami takamaiman lambar laifin (kamar P1E0300, B042900) ta hanyar na'urar decoder
Gwajin siginar Youdaoplaceholder0 : Kula ko siginar zagayowar aiki na da'irar haɗin wutar lantarki mai ƙarfi ta al'ada ce (ana buƙatar kayan aiki na ƙwararru)
Tabbatar da gwajin da'irar Youdaoplaceholder0 : Lura da martanin sassan lantarki (kamar yanayin samar da wutar lantarki na mai sarrafa motar) a cikin yanayin kurakurai da aka kwaikwayi
Ana ba da shawarar a tuntuɓi cibiyar kula da ƙwararru don gwajin da'ira mai ƙarfin lantarki mai yawa don guje wa haɗarin aminci da ka iya tasowa sakamakon wargaza kai.
"Idan kana son ƙarin bayani, ci gaba da karanta sauran labaran da ke wannan shafin!
Don Allah a kira mu idan kuna buƙatar irin waɗannan kayayyaki.
Kudin hannun jari Zhuo Meng Shanghai Auto Co., Ltd. ta kuduri aniyar sayar da MG&MAXUSsassan mota maraba siya.
