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Joang ho lelefatsa bophelo le ho tšepahala ha betri ea koloi?

著者:Iflowpower – ຜູ້ຜະລິດສະຖານີພະລັງງານແບບພົກພາ

Ho hloleha ha likoloi tse ling le tse ling tse hlano ke e &39;ngoe ea libeteri. Nakong e tlang, ka botumo bo ntseng bo eketseha ba mahlale a likoloi joalo ka phetisetso ea motlakase, taolo ea enjine ea ho qala / ea mollo le lebasetere (motlakase / khase), taba ena e tla ba matla le ho feta. Joang ho lelefatsa bophelo le ho tšepahala ha betri ea koloi? Liphoso tse ling le tse ling tse hlano tsa koloi li bakiloe ke betri.

Nakong e tlang, ka botumo bo ntseng bo eketseha ba mahlale a likoloi joalo ka phetisetso ea motlakase, taolo ea enjine ea ho qala / ea mollo le lebasetere (motlakase / khase), taba ena e tla ba matla le ho feta. E le ho fokotsa ho hlōleha, motlakase, hona joale, le mocheso oa betri li lekoa ka nepo, &39;me liphetho li rarolloa esale pele, boemo ba ho tjhaja le boemo ba ts&39;ebetso bo baloa,&39; me liphetho li romelloa ho unit control unit (ECU), le ts&39;ebetso ea ho tjhaja taolo. Likoloi tsa morao-rao li hlahile mathoasong a lekholo la bo20 la lilemo.

Koloi ea pele e itšetlehile ka ho qala ka letsoho. E matla haholo, ho na le kotsi e kholo, &39;me mokokotlo ona oa letsoho oa koloi o bakile lefu le leholo. Ka 1902, betri ea pele e qalileng e ile ea ntlafatsoa ka katleho.

Ka 1920, likoloi tsohle li se li qalile. Tšebeliso ea pele ke betri e omileng. Ha matla a motlakase a felile, ha a nkeloe sebaka.

Haufinyane, betri ea mokelikeli (ke hore, betri ea khale ea asiti) e nkela betri e ommeng sebaka. Molemo oa betri ea lead-acid ke ho tjhaja ho tloha mahareng ha enjene e sebetsa. Lekholong la ho qetela la lilemo, ho batla ho se na phetoho ea libeteri tsa lead-acid, &39;me ntlafatso ea bohlokoa ea ho qetela ke ho e tiisa.

Phetoho ea &39;nete ke litlhoko tsa eona. Qalong, betri e sebelisoa feela ho qala koloi, lenaka le motlakase bakeng sa lebone. Kajeno, litsamaiso tsohle tsa motlakase tsa koloi li tlameha ho tsamaisoa pele li tuka.

Ho eketseha ha lisebelisoa tse ncha tsa elektroniki ha se feela libapali tsa GPS le li-DVD le lisebelisoa tse ling tsa elektroniki tsa bareki. Kajeno, yuniti ea taolo ea enjene (ECU), fensetere ea koloi ea motlakase le setulo sa motlakase, le sesebelisoa sa elektronike sa &39;mele se kang setulo sa motlakase se fetohile mokhoa o tloaelehileng oa mefuta e mengata ea motheo. Mojaro o mocha boemong ba exponential o tsoetsoe ka botebo, &39;me ho hlōleha ho bakoang ke tsamaiso ea motlakase ho ntse ho eketseha bopaki.

Ho latela lipalo-palo tsa ADAC le RAC, hoo e ka bang 36% ea ho hloleha ha koloi ho ka bakoa ke ho hloleha ha motlakase. Haeba palo e senyehile, ho ka fumanoa hore ho feta 50% ea phoso e bakoa ke likarolo tsa betri ea lead-acid. Tekolo ea bophelo bo botle ba betri Litšobotsi tse latelang tsa bohlokoa li ka bonts&39;a bophelo ba betri ea asiti ea lead: (1) Boemo ba ho tjhaja (SOC): SOC e bonts&39;a hore na ho ka fanoa ka tefiso e kae, matla a lekantsoeng a betri (i.

e., kemelo ea peresente e ncha ea betri ea SOC). (2) Boemo ba ts&39;ebetso (SOH): SOH e bontša hore na ho ka bolokoa chelete e kae.

Pontšo ea boemo ba ho tjhaja boemo bo betere ho feta tekanyo ea peterole ea betri. Ho na le mekhoa e mengata ea ho bala SOC, tse peli tsa tsona li na le tse peli: mokhoa oa ho lekanya motlakase oa potoloho e bulehileng le tlhahlobo ea Coulomb (e tsejoang hape e le Coulomb counting). (1) Mokhoa oa ho lekanya oa "Open circuit voltage" (VOC): Kamano e khutsufalitsoeng lipakeng tsa motlakase o bulehileng oa potoloho le boemo ba eona ba ho tjhaja nakong eo e senang betri.

Mokhoa ona oa ho bala o na le meeli e &39;meli ea motheo: e&39; ngoe ke ho bala SOC, betri ha e bulehe, &39;me mojaro ha o kopane) Ea bobeli, tekanyo ena e nepahetse feela ka mor&39;a botsitso bo bongata. Meeli ena e etsa mokhoa oa VOC oa ho bala lipalo tsa inthaneteng tsa SOC. Hangata mokhoa ona o sebelisoa lebenkeleng la ho lokisa likoloi, moo betri e tlosoang teng, &39;me motlakase o pakeng tsa lipalo tse ntle le tse mpe tsa motlakase o ka lekanyetsoa.

(2) Coulomb assay: Mokhoa ona o sebelisa Coulomb Count ho nka nako ea morao-rao ho ea ho lintlha tsa nako, ka hona ho khetholla SOC. Ka mokhoa ona, o ka bala SOC ka nako ea nnete, leha betri e le tlasa maemo a mojaro. Leha ho le joalo, phoso ea tekanyo ea coulomb e tla eketseha ha nako e ntse e ea.

Ka kakaretso e sebelisoa ka botlalo ho sebelisa motlakase oa potoloho e bulehileng le ho bala coulomb ho bala boemo ba ho tjhaja ba betri. Boemo ba ts&39;ebetso ea boemo ba ts&39;ebetso bo bonts&39;a boemo bo akaretsang ba betri, le bokhoni ba eona ba ho boloka tefo ha bo bapisoa le libeteri tse ncha. Ka lebaka la tlhaho ea betri ka boeona, SOH computing e rarahane haholo, e itšetlehile ka lik&39;hemik&39;hale le tikoloho ea betri.

SOH ea betri e angoa ke lintlha tse ngata, ho kenyelletsa kamohelo ea ho tjhaja, impedance e ka hare, voltage, ho itšehla thajana le mocheso. Lintlha tsena ka kakaretso li nkoa li le thata ho lekanya lintlha tsena maemong a nako ea sebele tikolohong ea likoloi. Karolong ea ho qala (ho qala ha enjene), betri e tlas&39;a mojaro o moholo, ka nako ena, betri e bonahatsa ka ho fetisisa SOH ea betri.

Bosch, Hella, joalo-joalo. Lipalo tsa &39;nete tsa SOC le SOH tse hlileng li sebelisoang ke baetsi ba sensor ea betri ea koloi ba etelletseng pele ke lekunutu mme hangata li sirelelitsoe ke ts&39;ireletso ea patent. Joalo ka beng ba thepa ea mahlale, hangata ba sebelisana haufi-ufi le VARTA le MOLL ho nts&39;etsapele li-algorithms tsena.

Potoloho ena e ka aroloa likarolo tse tharo: (1) matla a betri ea teko ea betri ho leka sehatsetsi se hanyetsang se arohaneng ka ho toba le electrode e nepahetseng ea betri. Bakeng sa tlhahlobo ea hajoale, beha mochini o thibelang liteko (12V hangata o sebelisa 100M) lipakeng tsa eleketrode e mpe le fatše. Ka tlhophiso ena, mochine oa tšepe oa koloi ka kakaretso, &39;me mochine oa teko o kenngoa potolohong ea hona joale ea betri.

Litlhophisong tse ling, eleketrode e mpe ea betri ke. Mabapi le palo ea SOH, eseng ho leka mocheso oa betri. (2) Microcontroller microcontroller kapa MCU phetho ea bohlokoa ea mesebetsi e &39;meli.

Mosebetsi oa pele ke ho rarolla sephetho sa analog to digital converter (ADC). Mosebetsi ona o ka &39;na oa e-ba bonolo, o kang oa ho sefa feela oa motheo), o ka&39; na oa e-ba thata, joalo ka ho bala SOC le SOH. Mosebetsi oa &39;nete o ipapisitse le qeto ea MCU le litlhoko tsa baetsi ba likoloi.

Mosebetsi oa bobeli ke ho romela lintlha tse rarollotsoeng ka sebopeho sa puisano ho ECU. (3) Khokahano ea Lipuisano Hajoale, khokahano ea marang-rang ea lehae (Lin) ke mokhoa o tloaelehileng oa puisano lipakeng tsa li-sensor tsa betri le li-ECU. Lin ke mohala o le mong, o theko e tlase ho fapana le protocol e tsebahalang haholo ea CAN.

Ena ke tlhophiso e bonolo ka ho fetisisa ea tlhahlobo ea betri. Leha ho le joalo, li-algorithms tse ngata tse nepahetseng tsa liteko tsa betri li hloka matla a betri le a hajoale, kapa ka voltage ea betri, hona joale le mocheso. Bakeng sa ho etsa sampole ea synchronous, o tlameha ho kenyelletsa li-analog tse peli ho li-converter tsa dijithale.

Ntle le moo, li-ADC le li-MCU li lokisa phepelo ea motlakase hore e sebetse hantle, e bakang ho rarahana ha potoloho e ncha. Sena se sebelitsoe ke moetsi oa transceiver oa LIN ka ho kopanya phepelo ea motlakase. Nts&39;etsopele e latelang ea tlhahlobo ea betri e nepahetseng ea likoloi e kopantsoe le li-transceivers tsa ADC, MCU le Lin, tse kang ADI&39;s AduC703X Series Precision Simulation Microcontrollers.

AduC703X e fana ka 8kSP tse peli kapa tse tharo, 16-bit (Sigma) - (Delta) ADC, 20.48MHzarm7TDMIMCU, le transceiver e lumellanang ea Linv2.0 e kopantsoeng.

Letoto la ADUC703X le kenyelelitsoe le phetoho e tlase ea khatello ea khatello, e ka tsamaisoang ho tsoa ho libeteri tsa lead-acid. E le ho finyella litlhoko tsa liteko tsa betri ea likoloi, karolo e ka pele e kenyelletsa sesebelisoa se latelang: attenuator ea voltage bakeng sa ho shebella motlakase oa betri) Sesebelisoa sa ho fumana phaello e hlophisitsoeng, ha se sebelisoa ka mochine oa 100m, se tšehetsa tekanyo e feletseng ea 1A ka tlase ho 1500A) Ho bokella Tšehetso ea colomb count ntle le software monitoring) le mochine o le mong oa mocheso oa mocheso. Lilemong tse &39;maloa tse fetileng, likoloi tsa boemo bo holimo feela li ne li e-na le lisebelisoa tsa betri.

Kajeno, ho na le likoloi tse ngata tse bohareng le tse tlaase tse kentsoeng lisebelisoa tse nyenyane tsa elektronike, &39;me li ka bonoa feela ka mehlala ea boemo bo phahameng lilemong tse leshome tse fetileng. Palo ea liphoso tse bakoang ke libeteri tsa lead-acid ka hona e lula e eketsoa. Kamora lilemo tse &39;maloa, koloi e&39; ngoe le e &39;ngoe e tla kenya sensor ea betri, ka hona e fokotsa kotsi ea ho eketsa kotsi ea ho hloleha.

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