I te whanaketanga tonu o ngā pūnaha rokiroki pūngao, ngā pākahiko lithium, ngā otinga hiko o te rā, me ngā hangarau aunoatanga ahumahi, kua nui ake te hiranga o te whakawhitiwhiti kōrero pono i waenga i ngā taputapu. E rua o ngā kawa whakawhitiwhiti kōrero e whakamahia whānuitia ana i roto ingā pūnaha whakahaere pākahiko (BMS)ā, ko ngā tono rokiroki pūngao ko CAN Bus me RS485.
Mena kei te whiriwhiri koe i tētahi pūnaha pākahiko, he inverter, he otinga rokiroki pūngao rānei, mā te mārama ki te rerekētanga i waenga i te CAN me te RS485 ka āwhina i a koe ki te whakatutuki i te hototahitanga, te aroturukitanga, me te mahi pai ake o te pūnaha.
I roto i tēnei tuhinga, ka whakaritea e mātou te CAN me te RS485, ka whakamāramahia te mahi a rāua, ā, ka āwhina i a koe ki te whakatau ko tēhea kawa whakawhitiwhiti kōrero te mea pai rawa atu mō tō tono.
He aha te Pahi CAN?
CAN (Whatunga Rohe Kaiwhakahaere)he kawa whakawhitiwhiti kōrero i whakawhanakehia tuatahitia e Bosch mōngā tono motuka. Ka taea e ngā taputapu maha te kōrero tetahi ki tetahi mā te whatunga tiritahi me te kore e hiahiatia he rorohiko manaaki.
I ēnei rā, e whakamahia whānuitia ana te CAN Bus i roto i:
- ⭐Ngā pūnaha pākahiko lithium
- ⭐Ngā pūnaha rokiroki pūngao rā
- ⭐Ngā waka hiko (EV)
- ⭐Aunoatanga ahumahi
- ⭐Ngā pūnaha whakahaere pūngao atamai
Mā te whakawhitiwhiti kōrero CAN ka taea te whakawhiti raraunga wā-tūturu i waenga i ngā pākahiko, ngā kaitahuri, ngā rihi, me ngā tūāpapa aroturuki.
Ngā Painga o te Pahi CAN:
- √Te tere o te whakawhitiwhiti kōrero
- √Te pono nui
- √He tino pai te kimi me te whakatika hapa
- √Tautoko ana i ngā whatunga maha-pūrere matatini
- √ Te tuku raraunga wā-tūturu
He aha te RS485?
He paerewa whakawhitiwhiti raupapa te RS485 i hangaia mō ngā whakawhitiwhiti tawhiti me ngā whakawhitiwhiti ahumahi. Ka taea e ia ngā taputapu maha te whakawhitiwhiti kōrero mā te takirua waea miro kotahi.
Ka kitea whānuitia te RS485 i roto i:
- ♦Ngā pūnaha rokiroki pūngao pākahiko (BESS)
- ♦Ngā kaitahuri pūngao rā
- ♦Ngā taputapu whakahaere ahumahi
- ♦Ngā mita atamai
- ♦Ngā pūnaha aunoatanga hanga whare
He rerekē te RS485 i te CAN, ā, e arotahi ana ki te whakawhitiwhiti kōrero tawhiti-roa pumau, ā, e whakamahia pinepine ana me ngā kawa pēnei i te Modbus RTU.
Ngā Painga o te RS485:
- ♠Tawhiti tuku roa
- ♠Te utu tāutanga iti
- ♠Hanganga whatunga māmā
- ♠He kaha te ātete ki te haruru hiko
- ♠He ngāwari te whakauru ki ngā taputapu ahumahi
CAN vs RS485: Ngā Rerekētanga Matua
E whakaatu ana te ripanga e whai ake nei i ngā rerekētanga matua i waenga i te CAN me te RS485.
| Āhuatanga | Pahi CAN | RS485 |
| Momo Whakawhitiwhiti Kōrero | Kawa + Papa Tūkino | Paerewa Paparanga Tinana |
| Tere Raraunga | Tae atu ki te 1 Mbps (CAN tuku iho) | Ko te tikanga 9.6 kbps – 10 Mbps |
| Te Kimi Hapa | Te whakahaere hapa matatau kua whakauruhia | Ka whakawhirinaki ki te kawa o runga |
| Te āhua o te whatunga | Maha-matua | Ariki-pononga e whakamahia whānuitia ana |
| Te Mahi Wā-Tūturu | Tino pai | Waenga |
| Tawhiti Whakawhitiwhiti Kōrero | Tae atu ki te 40m i te 1 Mbps | Tae atu ki te 1200m |
| Te Uauatanga o te Pūnaha | Teitei ake | Ngāwari ake |
| Te pono | Tino Teitei | Teitei |
| Ngā tono noa | Ngā waka hiko, ngā pākahiko lithium, ngā BMS | Ngā pūnaha pūngao rā, ngā mana whakahaere ahumahi |
CAN vs RS485 i roto i ngā Pūnaha Pūhiko Lithium
Mōngā pūnaha rokiroki pūngao pākahiko lithium,He mea nui te whakawhitiwhiti kōrero i waenga i te pūnaha whakahaere pākahiko me te inverter.
Whakawhitiwhiti CAN mō ngā Pūhiko
- ♥He pai ake te CAN ina:
- ♥Me aroturuki te pākahiko i te wā tūturu
- ♥He maha ngā kōwae pākahiko e honoa ana i te taha whakarara
- ♥E hiahiatia ana te whakaurunga inverter matatau
- ♥He mea nui te pono o te pūnaha
He maha ngā waitohu inverter matua e tautoko ana i te whakawhitiwhiti CAN nā te mea e whakarato ana i ngā mōhiohio pākahiko taipitopito, tae atu ki:
- ♣Te Āhua o te Mana Whakahaere (SOC)
- ♣Te Āhua o te Hauora (SOH)
- ♣Ngaohiko
- ♣Ināianei
- ♣Te pāmahana
- ♣Tūnga whakaoho
Whakawhitiwhiti RS485 mō ngā Pūhiko
- ▲Kei te rongonui tonu te RS485 nā te mea:
- ▲Tautoko ana i ngā oma taura roa ake
- ▲He hototahi whānui ki ngā taputapu ahumahi
- ▲E tuku ana i ngā otinga whakawhitiwhiti kōrero utu-whai hua
- ▲He pai te mahi tahi me ngā pūnaha aroturuki e hangai ana ki a Modbus
Mō te tiningā whakaurunga rokiroki pūngao rā mō ngā whare noho me ngā whare pakihi, ka whakaratohia e te RS485 he mahi whakawhitiwhiti kōrero pumau, pono hoki.
Ko tēhea te mea pai ake: CAN, RS485 rānei?
Kāore he toa tuturu. Ko te kōwhiringa tika kei runga i tāu tono.
Kōwhiria CAN mēnā:
- ♥Me tere te whakawhiti raraunga
- ♥Me aroturuki tonu tō pūnaha
- ♥He maha ngā pākahiko e mahi tahi ana
- ♥Ka whakamahia e koe ngā kaitahuri ranu matatau
Kōwhiria te RS485 mēnā:
- ♥He roa te tawhiti whakawhitiwhiti kōrero
- ♥Ka whakamahia e tō pūnaha te Modbus RTU
- ♥Ko te māmā me te utu ngā mea matua
- ♥E hiahiatia ana te whakaurunga ahumahi
I roto i te maha o ngā pūnaha rokiroki pūngao hou, e whakaratohia ana ngā atanga whakawhitiwhiti kōrero e rua hei whakanui ake i te hototahitanga.
He aha te Hiranga o ngā Tikanga Whakawhitiwhiti Kōrero i roto i te Rokiroki Pūngao Rā
Kāore te whakawhitiwhiti kōrero pākahiko i te mea he āhuatanga whiriwhiri noa iho. Ka pā tika ki:
- ♠Te whai huatanga o te utu
- ♠Te roa o te pākahiko
- ♠Haumarutanga pūnaha
- ♠Ngā āheinga aroturuki mamao
- ♠Te whakahaere pūngao atamai
Mā te kawa whakawhitiwhiti kōrero kua whakauruhia pai ka taea te mahi tahi me te pūhiko, ka āwhina i ngā kaiwhakamahi ki te whakanui ake i te whakamahinga o te pūngao o te rā me te whakaiti i ngā utu whakahaere.
Ka tautokohia e ngā Pūhiko Ritiumu YouthPOWER ngā CAN me ngā RS485
At Mana Rangatahi, e mārama ana mātou he āwangawanga nui te hototahi o te inverter ki ngā kaiwhakauru, ki ngā kaituku, me ngā kaiwhakawhanake kaupapa.
Kua hangaia ā mātou pākahiko pūngao rā LiFePO4 matatau me ngā kawa whakawhitiwhiti kōrero CAN Bus me RS485, kia pai ai te whakaurunga ki ngā waitohu inverter matua o te ao.
Ko ngā painga matua o ngā otinga pākahiko YouthPOWER ko:
- ♣Hangarau LiFePO4 mahi-teitei
- ♣Pūnaha Whakahaere Pūhiko Atamai (BMS)
Whakamutunga
He mea nui te mahi a te CAN me te RS485 i roto i ngā pūnaha rokiroki pūngao me ngā pūnaha pākahiko lithium o ēnei rā.
Ka tukuna e te CAN he whakawhitiwhiti kōrero wā-tūturu tino pai, he tātaritanga matatau, me te tino pono, he mea tino pai mō te whakaurunga pākahiko me te inverter matatau.
He māmā noa iho te RS485, he iti hoki te utu, ā, he otinga whai hua tēnei mō ngā mahi ahumahi me ngā mahi pūngao rā.
I te wā e whiriwhiri ana i tētahi otinga rokiroki pūngao pākahiko, me whakarite kia ōrite te kawa whakawhitiwhiti kōrero ki ō whakaritenga inverter me te aroturuki. Mā te whiriwhiri i tētahi pākahiko e tautoko ana i te CAN me te RS485 ka nui ake te ngāwari me te hototahi mō ngā mea kei te heke mai.
Ngā Pātai Auau mō te Whakawhitiwhiti Kōrero CAN Bus me te RS485
P1. Ka taea te whakamahi i te CAN me te RS485 i te wā kotahi i roto i te pūnaha pākahiko kotahi?
A1Āe. He maha ngā mea houngā pūnaha pākahiko lithiumtautoko i ngā atanga whakawhitiwhiti kōrero e rua i te wā kotahi. Mā tēnei ka taea e ngā kaiwhakamahi te hono i ngā taputapu aroturuki rerekē, ngā inverters, ngā pūnaha whakahaere pūngao rānei, i runga i ngā whakaritenga o te kaupapa.
P2. Ka pāngia te mahi utu pākahiko e te kawa whakawhitiwhiti kōrero?
A2Āe, āe. Mā te whakawhitiwhiti kōrero tika ka taea e te pūnaha whakahaere pūhiko me te pūnaha whakahaere pākahiko te whakawhitiwhiti raraunga whakahaere me te whai hua, ka taea ai te whakapai ake i te tika o te utu, ngā mahi tiaki, me te mahi whānui o te pūnaha.
P3. He aha ngā kaihanga hurihuri e taunaki ana i ngā kawa whakawhitiwhiti kōrero motuhake?
A3Ka whakawhanakehia e ia kaihanga inverter he pūmanawa kua arotauhia mō ētahi tikanga whakawhitiwhiti kōrero. Mā te whakamahi i te kawa kua tūtohutia ka pai ake te hototahi, ka tika ake ngā raraunga pākahiko, me ngā āhuatanga haumaru kua whakarei ake.
P4. Ka taea e ngā hapa whakawhitiwhiti kōrero te kino i te pākahiko lithium?
A4Ko ngā hapa whakawhitiwhiti kōrero, kāore e kino ki te pākahiko tonu, engari ka whakawhāiti pea i ngā āheinga aroturuki, ka whakaiti i te pai o te pūnaha, ka whakaoho rānei i ngā aratau tiaki e pā ana ki ngā mahi utu me te tuku.
P5. Me pēhea taku manatoko mēnā he hototahi te pākahiko ki taku inverter?
A5Arotakehia tonutia ngā whakatakotoranga kawa whakawhitiwhiti kōrero me te rārangi hototahi o te pākahiko. Ka whakaratohia e ngā kaihanga pēnei i a YouthPOWER ngā mōhiohio hototahi mō ngā waitohu inverter e tautokona ana me ngā paerewa whakawhitiwhiti kōrero i mua i te tāutanga.