4. Core ayyukan software na BMS
l Ayyukan aunawa
(1) Ma'aunin bayanai na asali: saka idanu ƙarfin baturi, siginar yanzu, da zafin baturi. Babban aikin tsarin sarrafa baturi shine auna ƙarfin lantarki, halin yanzu, da zafin jiki na ƙwayoyin baturi, wanda shine tushen duk manyan ƙididdiga da dabaru na sarrafa tsarin sarrafa baturi.
(2) Ganewar juriya na insulation: Dukkan tsarin batir da tsarin wutar lantarki yana buƙatar gwadawa don rufewa ta tsarin sarrafa baturi.
(3) Ganewar interlock high-voltage (HVIL): ana amfani da shi don tabbatar da amincin duk babban tsarin wutar lantarki. Lokacin da mutuncin babban tsarin tsarin wutar lantarki ya lalace, ana kunna matakan tsaro.
lAyyukan kimantawa
(1) Ƙimar SOC da SOH: ainihin kuma mafi wuya sashi
(2) Daidaitawa: daidaita ma'aunin SOC x tsakanin ma'auni ta hanyar da'ira mai daidaitawa.
(3) Ƙayyadaddun ƙarfin baturi: shigarwa da ƙarfin fitarwa na baturin suna iyakance a yanayin zafi na SOC daban-daban.
lSauran ayyuka
(1) Ikon relay: ciki har da main +, main-, cajin gudun ba da sanda +, cajin gudu -, pre-caji gudun ba da sanda
(2) Kula da thermal
(3) Aikin sadarwa
(4) Gano kuskure da ƙararrawa
(5) Aiki mai haƙuri
5.Babban ayyukan software na BMS
lAyyukan aunawa
(1) Ma'aunin bayanai na asali: saka idanu ƙarfin baturi, siginar yanzu, da zafin baturi. Babban aikin tsarin sarrafa baturi shine auna ƙarfin lantarki, halin yanzu, da zafin jiki na ƙwayoyin baturi, wanda shine tushen duk manyan ƙididdiga da dabaru na sarrafa tsarin sarrafa baturi.
(2) Ganewar juriya na insulation: Dukkan tsarin batir da tsarin wutar lantarki yana buƙatar gwadawa don rufewa ta tsarin sarrafa baturi.
(3) Ganewar interlock high-voltage (HVIL): ana amfani da shi don tabbatar da amincin duk babban tsarin wutar lantarki. Lokacin da mutuncin babban tsarin tsarin wutar lantarki ya lalace, ana kunna matakan tsaro.
lAyyukan kimantawa
(1) Ƙimar SOC da SOH: ainihin kuma mafi wuya sashi
(2) Daidaitawa: daidaita ma'aunin SOC x tsakanin ma'auni ta hanyar da'ira mai daidaitawa.
(3) Ƙayyadaddun ƙarfin baturi: shigarwa da ƙarfin fitarwa na baturin suna iyakance a yanayin zafi na SOC daban-daban.
lSauran ayyuka
(1) Ikon relay: ciki har da main +, main-, cajin gudun ba da sanda +, cajin gudu -, pre-caji gudun ba da sanda
(2) Kula da thermal
(3) Aikin sadarwa
(4) Gano kuskure da ƙararrawa
(5) Aiki mai haƙuri
6.BMS gine-ginen software
lBabban da ƙananan ƙarfin lantarki
Lokacin da aka kunna akai-akai, VCU tana farkar da BMS ta hanyar layin wuya ko siginar CAN na 12V. Bayan BMS ya kammala binciken kansa kuma ya shiga jiran aiki, VCU ta aika umarni mai ƙarfi, kuma BMS tana sarrafa rufewar relay don kammala haɗin wutar lantarki. Lokacin da aka kashe, VCU tana aika umarni mara ƙarfi sannan kuma ta cire haɗin farkawa na 12V. Lokacin da aka saka bindigar don yin caji a cikin yanayin kashe wutar lantarki, ana iya tada shi ta siginar CP ko A+.
lGudanar da caji
(1) Yawan caji
A hankali caji shine don cajin baturi tare da halin yanzu kai tsaye wanda aka canza daga madaidaicin halin yanzu ta cajar kan allo na tarin caji (ko wutar lantarki 220V). Ƙayyadaddun tari na caji gabaɗaya 16A, 32A, da 64A, kuma ana iya cajin ta ta hanyar samar da wutar lantarki ta gida. Ana iya tada BMS ta siginar CC ko CP, amma ya kamata a tabbatar da cewa yana iya yin barci kullum bayan an gama caji. Tsarin cajin AC abu ne mai sauƙi kuma ana iya haɓaka shi daidai da cikakkun ƙa'idodin ƙasa.
(2) Yin caji mai sauri
Yin caji mai sauri shine don cajin baturi tare da fitarwa na yanzu kai tsaye ta wurin cajin DC, wanda zai iya kaiwa 1C ko ma mafi girman ƙimar caji. Gabaɗaya, kashi 80% na baturin ana iya cajin shi cikin mintuna 45. Ana iya tada shi ta hanyar madaidaicin wutar lantarki A+ siginar tarin caji.
lAyyukan kimantawa
(1) SOP (State of Power) galibi yana samun cajin baturi na yanzu da ƙarfin caji ta hanyar duba tebur ta yanayin zafi da SOC. VCU tana ƙayyade yadda ake amfani da duk abin hawa bisa ƙimar ƙarfin da aka aiko.
(2) SOH (Jihar Kiwon Lafiya) galibi yana bayyana yanayin lafiyar baturi na yanzu, tare da ƙimar tsakanin 0-100%. Gabaɗaya ana ɗauka cewa ba za a iya amfani da baturin ba bayan ya faɗi ƙasa da 80%.
(3) SOC (Jihar Caji) na cikin ainihin sarrafa algorithm na BMS, wanda ke nuna matsayin ƙarfin da ya rage na yanzu. Ya dogara ne akan hanyar haɗin kai na ampere-hour da EKF (extended Kalman filter) algorithm, hade tare da dabarun gyarawa (kamar gyaran wutar lantarki mai buɗewa, gyaran cikakken caji, gyaran ƙarshen caji, gyaran ƙarfin aiki a ƙarƙashin yanayin zafi daban-daban. da SOH, da dai sauransu).
(4) SOE (Jihar Makamashi) algorithm ba yadu ya haɓaka ta masana'antun cikin gida ko yana amfani da algorithms masu sauƙi don samun rabon ragowar makamashi a ƙarƙashin halin yanzu zuwa matsakaicin ƙarfin da ake samu. Ana amfani da wannan aikin musamman don kimanta ragowar kewayon tafiye-tafiye.
lGano kuskure
Matakan kuskure daban-daban ana rarrabe su gwargwadon aikin baturi daban-daban, kuma ana ɗaukar matakan sarrafawa daban-daban ta BMS da VCU ƙarƙashin matakan kuskure daban-daban, kamar faɗakarwa, iyakancewar wuta, ko cire haɗin kai tsaye na babban ƙarfin lantarki. Laifi sun haɗa da sayan bayanai da kuskuren hankali, na'urorin lantarki (ma'auni da masu kunnawa), na'urorin sadarwa, da na'urar baturi, da dai sauransu.
1.Babban ayyukan software na BMS
lAyyukan aunawa
(1) Ma'aunin bayanai na asali: saka idanu ƙarfin baturi, siginar yanzu, da zafin baturi. Babban aikin tsarin sarrafa baturi shine auna ƙarfin lantarki, halin yanzu, da zafin jiki na ƙwayoyin baturi, wanda shine tushen duk manyan ƙididdiga da dabaru na sarrafa tsarin sarrafa baturi.
(2) Ganewar juriya na insulation: Dukkan tsarin batir da tsarin wutar lantarki yana buƙatar gwadawa don rufewa ta tsarin sarrafa baturi.
(3) Ganewar interlock high-voltage (HVIL): ana amfani da shi don tabbatar da amincin duk babban tsarin wutar lantarki. Lokacin da mutuncin babban tsarin tsarin wutar lantarki ya lalace, ana kunna matakan tsaro.
lAyyukan kimantawa
(1) Ƙimar SOC da SOH: ainihin kuma mafi wuya sashi
(2) Daidaitawa: daidaita ma'aunin SOC x tsakanin ma'auni ta hanyar da'ira mai daidaitawa.
(3) Ƙayyadaddun ƙarfin baturi: shigarwa da ƙarfin fitarwa na baturin suna iyakance a yanayin zafi na SOC daban-daban.
lSauran ayyuka
(1) Ikon relay: ciki har da main +, main-, cajin gudun ba da sanda +, cajin gudu -, pre-caji gudun ba da sanda
(2) Kula da thermal
(3) Aikin sadarwa
(4) Gano kuskure da ƙararrawa
(5) Aiki mai haƙuri
2.BMS gine-ginen software
lBabban da ƙananan ƙarfin lantarki
Lokacin da aka kunna akai-akai, VCU tana farkar da BMS ta hanyar layin wuya ko siginar CAN na 12V. Bayan BMS ya kammala binciken kansa kuma ya shiga jiran aiki, VCU ta aika umarni mai ƙarfi, kuma BMS tana sarrafa rufewar relay don kammala haɗin wutar lantarki. Lokacin da aka kashe, VCU tana aika umarni mara ƙarfi sannan kuma ta cire haɗin farkawa na 12V. Lokacin da aka saka bindigar don yin caji a cikin yanayin kashe wutar lantarki, ana iya tada shi ta siginar CP ko A+.
lGudanar da caji
(1) Yawan caji
A hankali caji shine don cajin baturi tare da halin yanzu kai tsaye wanda aka canza daga madaidaicin halin yanzu ta cajar kan allo na tarin caji (ko wutar lantarki 220V). Ƙayyadaddun tari na caji gabaɗaya 16A, 32A, da 64A, kuma ana iya cajin ta ta hanyar samar da wutar lantarki ta gida. Ana iya tada BMS ta siginar CC ko CP, amma ya kamata a tabbatar da cewa yana iya yin barci kullum bayan an gama caji. Tsarin cajin AC abu ne mai sauƙi kuma ana iya haɓaka shi daidai da cikakkun ƙa'idodin ƙasa.
(2) Yin caji mai sauri
Yin caji mai sauri shine don cajin baturi tare da fitarwa na yanzu kai tsaye ta wurin cajin DC, wanda zai iya kaiwa 1C ko ma mafi girman ƙimar caji. Gabaɗaya, kashi 80% na baturin ana iya cajin shi cikin mintuna 45. Ana iya tada shi ta hanyar madaidaicin wutar lantarki A+ siginar tarin caji.
lAyyukan kimantawa
(1) SOP (State of Power) galibi yana samun cajin baturi na yanzu da ƙarfin caji ta hanyar duba tebur ta yanayin zafi da SOC. VCU tana ƙayyade yadda ake amfani da duk abin hawa bisa ƙimar ƙarfin da aka aiko.
(2) SOH (Jihar Kiwon Lafiya) galibi yana bayyana yanayin lafiyar baturi na yanzu, tare da ƙimar tsakanin 0-100%. Gabaɗaya ana ɗauka cewa ba za a iya amfani da baturin ba bayan ya faɗi ƙasa da 80%.
(3) SOC (Jihar Caji) na cikin ainihin sarrafa algorithm na BMS, wanda ke nuna matsayin ƙarfin da ya rage na yanzu. Ya dogara ne akan hanyar haɗin kai na ampere-hour da EKF (extended Kalman filter) algorithm, hade tare da dabarun gyarawa (kamar gyaran wutar lantarki mai buɗewa, gyaran cikakken caji, gyaran ƙarshen caji, gyaran ƙarfin aiki a ƙarƙashin yanayin zafi daban-daban. da SOH, da dai sauransu).
(4) SOE (Jihar Makamashi) algorithm ba yadu ya haɓaka ta masana'antun cikin gida ko yana amfani da algorithms masu sauƙi don samun rabon ragowar makamashi a ƙarƙashin halin yanzu zuwa matsakaicin ƙarfin da ake samu. Ana amfani da wannan aikin musamman don kimanta ragowar kewayon tafiye-tafiye.
lGano kuskure
Matakan kuskure daban-daban ana rarrabe su gwargwadon aikin baturi daban-daban, kuma ana ɗaukar matakan sarrafawa daban-daban ta BMS da VCU ƙarƙashin matakan kuskure daban-daban, kamar faɗakarwa, iyakancewar wuta, ko cire haɗin kai tsaye na babban ƙarfin lantarki. Laifi sun haɗa da sayan bayanai da kuskuren hankali, na'urorin lantarki (ma'auni da masu kunnawa), na'urorin sadarwa, da na'urar baturi, da dai sauransu.
Tuntube mu:
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Lokacin aikawa: Mayu-12-2023
