He mea nui te whiriwhiri i te Pūnaha Whakahaere Pūhiko Ritiumu (BMS) tika hei whakarite i te haumaru, te mahi, me te roa o te ora o tō pūnaha pākahiko. Ahakoa kei te whakakaha koe i ngā hikohiko kaihoko, i ngā waka hiko, i ngā otinga rokiroki pūngao rānei, anei tētahi aratohu whānui hei āwhina i a koe ki te whakatau whai whakaaro:
1. Whakatauhia ngā Whakatakotoranga Pūhiko
Tīmata mā te mārama ki ngā āhuatanga matua o tō pākahiko kia pai ai te hototahi ki te BMS:
- Momo Pūhiko
Tāutuhia te matū o te pākahiko lithium:Ritiumu Ternari (NCM/NCA),LiFePO4 (LFP), ētahi atu rānei. He āhua motuhake ngā kōtaha ngaohiko me ngā whakaritenga haumaru o ia momo.
Tauira: Ko ngā pākahiko lithium toru (3.7V te ingoa) me whai tiakitanga tika mō te utu nui rawa (≤4.25V), ko te LiFePO4 ia (3.2V te ingoa) ka mahi haumaru tae atu ki te 3.65V.
- Te kaha (Ah)
Whakatauritehia ngā BMSte iahiko tukunga tonu me te tihiki te kaha o tō pākahiko. E hiahia ana ngā pākahiko kaha-nui ki ngā waeine BMS me ngā kaha whakahaere-auau pakari.
- Awhe Ngaohiko
Whakaūtia kei te kapi te awhe ngaohiko o te BMS i te awhe o tō pākahikongaohiko ingoa,ngaohiko utu katoa, mengaohiko tukunga iti rawa. Ka tūpono te kino, te heke rānei o te whai huatanga o ngā awhe kāore i te ōrite.
Me tiaki e te BMS pono te mahi a te pākahiko mā te:
- Te Parenga Utu Nui
Ka motu aunoa i te utunga ina neke atu te ngaohiko i ngā rohe haumaru (hei tauira, 4.3V mō te lithium toru).
- Te Parenga Tukunga Nui
Ka whakamutu i te tukunga i mua i te hekenga o te ngaohiko i raro i ngā paepae matua (hei tauira, 2.5V mō te lithium tuatoru) hei ārai i te pirau o te pūtau.
- Te Parenga o te Aukaha me te Arataki Poto
Ka kitea ngā iahiko nui rawa, ngā ara iahiko poto rānei (wā urupare: <100μs) hei ārai i te rerenga wera.
- Te Taurite Pūtau
Taurite kore mahika tohatoha i te kaha nui hei wera (he utu iti mō ngā putea iti).
Taurite hoheka tohatoha anō i te pūngao i waenga i ngā pūtau (he pai mō ngā pūnaha nunui, e whakapai ake ana i te roa o te ora).
- Ngā Āhuatanga Matatau
Te Aroturuki i te Āhua o te Whakahaere (SOC): Ka aro turuki tika i te toenga o te kaha o te pākahiko.
Whakahaere Pāmahana: Aroturuki me te whakahaere i te pāmahana o te pūtau hei ārai i te wera nui.
Ngā Atanga Whakawhitiwhiti KōreroE tautoko ana i te pahi CAN, UART, Nihokikorangi rānei mō ngā raraunga me ngā tātaritanga wā-tūturu.
3. Aromatawai i te Kounga me te Pono
Hokohia he BMS e whakamana ana i te pumau me te tutuki i ngā whakaritenga:
- Ngā Waitohu Rongonui
Kōwhiria ngā kaihanga rongonui kua whai mātauranga kua whakamātauhia ki te hoahoa BMS me ngā tiwhikete (hei tauira, UL, CE, ISO 26262 mō ngā motuka).
- Kounga Hanga
Teitei te koungaNgā rauemi PCB, te whakarewanga tika, me ngā wāhanga kounga teitei (hei tauira, ngā MOSFET tino whai hua) ka whakarite i te pumau me te mahi wera.
- Pūmanawa me ngā Arorau
Mā te pūmanawa BMS matatau ka taea te whakatau tika i te SOC, te tautuhi hapa, me ngā whakahōu pūmanawa.
4. Whakatauritehia ngā Hiahia Taiao me ngā Hiahia Taupānga
Whakaritehia tāu whiringa kia rite ki ngā tikanga whakamahinga:
- Rahi me te Whakaurunga
Ka taunga ngā waeine BMS kiato ki ngā tono iti te wāhi, ko ngā hoahoa modular ia ka whakangāwari i te tauine mō ngā pūnaha ahumahi.
- Te Ātete ki te Pāmahana
Tīpakohia ngā waeine BMS kua whakatauria mō ngā pāmahana tino kino (hei tauira, -40°C ki te 105°C) mō te whakamahinga motuka, o waho rānei.
- Ngā Whakaritenga Motuhake
Ka whakarei ake te pono o ngā otinga BMS ā-wai (IP67), ā-pūngoikore, ā-wiri rānei i roto i ngā taiao uaua.
Whakamutunga
Ko te whiriwhiri i te BMS lithium tika me whakataurite i ngā whakatakotoranga hangarau, ngā āheinga tiaki, te mātauranga pūmanawa, me te urutau ki te taiao. Ehara i te mea ka ārai noa i ngā rahunga te BMS e ōrite ana, engari ka arotau hoki i te whai huatanga o te pūngao me te whakaroa i te roa o te ora o te pākahiko.
Mō ngā otinga kua whakaritea, tūhuratia ā mātou hua BMS kua whakamanahia kua hangaia mō ngā momo tono pākahiko lithium. Whakapā mai ki tā mātou tīma kia kitea ai te mea tino tika mō ō hiahia!
Wā tuku: Mei-04-2025
