Kariyar BMS ta Ƙarya: Dalilin da yasa take haifar da ita da wuri da kuma yadda ake gyara ta
BMS yana da kariyar overvoltage. Amma idan ka duba ƙarfin fakitin - ko ma matsakaicin ƙarfin tantanin halitta - yana karantawa3.45Vkowace tantanin halitta, ƙasa da haka3.65VMatsakaicin ƙarfin lantarki mai yawa ga LiFePO4. Da alama BMS yana haifar da matsala ba daidai ba.
Kusan ba shakka, ba haka bane. BMS yana amsawa ga wani yanayi na gaske - ba wanda kake dubawa ba. Fahimtar abin da BMS ke saka idanu yana gaya maka nan take abin da za ka nema.
Abin da BMS ke saka idanu: Ƙarfin wutar lantarki na kowace ƙwayar halitta, ba matsakaici ba
Kariyar BMS ta wuce gona da iri tana amsawaƙarfin lantarki na tantanin halitta ɗaya, ba ga matsakaicin ƙarfin fakitin ko jimlar ƙarfin fakitin da aka raba ta hanyar adadin ƙwayoyin halitta ba.
Idan fakitin 16S LiFePO4 yana da matsakaicin3.45Vkowace tantanin halitta (jimla)55.2V), amma ɗaya tantanin halitta yana nan3.66Vyayin da sauran suka yi matsakaicin3.44V, BMS zai karya kariyar wuce gona da iri a kan wannan tantanin halitta. Daga waje, ƙarfin fakitin yana da kyau. BMS yana aiki daidai - ya gano ainihin yanayin wuce gona da iri a kan mafi girman tantanin halitta.
BMS yana lalata OVP akan wannan tantanin halitta- duk da cewa matsakaicin fakitin yana da kyau
Wannan shine mafi yawan sanadin abin da ya yi kama da "ƙarya" na tafiya mai yawa ta hanyar amfani da wutar lantarki. Ba ƙarya ba ne. Gaskiyar ƙarfin lantarki ce a kan ainihin ƙwayar halitta wadda ke yawo sama da maƙwabtanta.
Dalilai Huɗu — An Gano Su Ta Hanyar Tsarin
| Dalili | Lokacin da yake tafiya | Abin da manhajar ke nunawa | Gyara |
|---|---|---|---|
| Rashin daidaituwar ƙwayoyin halitta | Kusan ƙarshen caji; tantanin halitta ɗaya a gaba | Tantanin halitta ɗaya mai girma; wasu ƙasa da haka | Daidaita aiki; cikakken zagayen daidaito |
| Ƙarfin caja ya yi yawa sosai | Kowace zaman caji a ƙarshe | Kwayoyin halitta masu yawa suna kusantar OVP | Ƙara ƙarfin caja zuwa takamaiman takamaiman kayan aiki |
| An saita iyakar OVP sosai ƙasa | Tun da farko ya jagoranci fiye da yadda aka zata | Kwayoyin halitta suna ƙasa da 3.65V, amma suna kama da wuta | Duba & daidaita ƙa'idar BMS |
| Ba daidai ba ne a saita kariyar zafin jiki | A cikin yanayi mai zafi da ke ƙarƙashin caji | Zafin fakitin yana ƙaruwa; OVP yana ƙonewa kafin kariyar zafin jiki | Tabbatar da ƙa'idodin kariyar zafi |
Dalili na 1: Rashin daidaiton ƙwayoyin halitta (Mafi yawa)
Yayin da ƙwayoyin halitta ke tsufa da zagayowarsu, ƙananan bambance-bambance a cikin juriyar ciki suna sa su rabu yayin caji. Ƙwayar da ke da mafi ƙarancin juriya tana caji da sauri kuma tana isa matakin wuce gona da iri kafin sauran. Lokacin da wannan ƙwayar halitta ɗaya ta buge3.65V, tafiye-tafiyen BMS - duk da cewa yawancin fakitin suna nan3.44Vkuma za a iya karɓar ƙarin caji.
Yadda ake tabbatarwa
Buɗe manhajar DALY BMS a lokacin caji kuma ka sa ido kan ƙarfin wutar lantarki na kowace tantanin halitta. Idan tantanin halitta ɗaya yana tashi da sauri fiye da sauran - yana jan gaba da 50–100mV kafin sauran su ma su kai ga matakin.3.50V- rashin daidaito shine dalilin.
Yadda ake gyarawa
Don rashin daidaituwa mai sauƙi (ƙwaya ɗaya 30–50mV sama da sauran): gudanar da zaman caji a hankali a 0.1C kuma bar fakitin a haɗe bayan an yanke caja. Wannan yana ba da lokacin da za a zubar da jini daga babban ƙwayar da ke saman caji.
Ga rashin daidaito mai ɗorewa wanda ke dawowa da sauri bayan kowane yunƙurin daidaitawa: Smart BMS tare da daidaitawa mai aiki shine mafita mafi dacewa. Daidaita aiki yana aiki a duk tsawon zagayowar caji (ba kawai a saman caji ba), yana ci gaba da rarraba caji tsakanin ƙwayoyin don haka babban ƙwayar ba ta yi tsere gaba da farko ba.
Dalili na 2: Ƙarfin wutar lantarki na caja ya yi yawa
Idan ƙarfin fitarwa na caja ya wuce matsakaicin ƙarfin caji na fakitin (ƙwayoyin × matakin OVP), caji zai tuƙa ƙwayoyin da ke sama da matakin OVP a kowane zaman.
Yadda ake tabbatarwa
Duba ƙarfin fitarwa na caja da na'urar auna voltmeter. Ga fakitin 16S LiFePO4, fitowar caja bai kamata ta wuce ba.16 × 3.65V = 58.4VCaja mai ƙimar 60V akan fakitin 16S zai iya lalata OVP cikin aminci a kowane zagayen caji.
Yadda ake gyarawa
Daidaita ƙarfin fitarwa na caja don ya dace da ƙayyadadden fakitin, ko maye gurbin caja da wanda aka kimanta daidai don fakitin. Ga LiFePO4, matsakaicin ƙarfin caji na yau da kullun shine3.65Vkowace tantanin halitta - misali58.4Vdon 16S,29.2Vdon 8S,14.6Vdon 4S.
Dalili na 3: Saitin Gaban OVP Ya Yi Ƙasa sosai
Idan an riga an saita BMS tare da madaidaicin ƙarfin lantarki mai tsauri - misali,3.55Vmaimakon3.65Vdon LiFePO4 - caji na yau da kullun zai lalata kariyar kafin ƙwayoyin su cika.
Yadda ake tabbatarwa
Duba saitunan BMS a cikin manhajar DALY ko kuma babbar manhajar kwamfuta ta PC. Je zuwa saitunan iyakokin kariya kuma tabbatar da iyakar kariya ta wuce kima bisa ga ƙa'idodin sinadarai na ƙwayoyin halitta.
Yadda ake gyarawa
Daidaita iyakar OVP don dacewa da ƙayyadaddun ƙirar wayar ku don matsakaicin ƙarfin caji. Ga ƙwayoyin LiFePO4 na yau da kullun,3.65Vkowace ƙwayar halitta ita ce matsakaicin matsakaicin masana'antu.Kada a saita sama da ƙayyadaddun tantanin halitta— wuce ƙarfin wutar lantarki mafi girma na tantanin halitta yana haifar da raguwar aiki cikin sauri kuma, a cikin mawuyacin hali, haɗarin aminci.
Dalili na 4: An daidaita Kariyar Zafin Jiki ba daidai ba
A cikin yanayi mai zafi - wurin da iska ba ta da kyau, yanayin bazara, ko kuma fitar da iska mai ƙarfi zuwa cikin zagayowar caji - ya kamata a kare fakitin ta hanyar amfani da na'urorin BMS.zafin jikiiyakokin kariya kafin OVP ta zama kariya mai dacewa. Idan kuna ganin OVP yana tafiya a cikin yanayi mai zafi yayin da kariyar zafin jiki ba ta yi aiki ba, wataƙila an daidaita iyakokin zafin jiki ba daidai ba ko kuma an kashe su.
Yadda ake tabbatarwa
Duba karatun zafin jiki a cikin manhajar BMS yayin zaman caji lokacin da OVP ya yi karo. Idan zafin fakitin yana gabatowa ko ya wuce iyakar caji da masana'antar tantanin halitta ta ba da shawarar (yawanci ƙasa da 45°C don LiFePO4), kariyar zafin jiki ya kamata ta haifar - ba OVP ba. Tabbatar cewa an kunna iyakar kariyar caji mai zafi kuma an saita ta a cikin ƙayyadaddun bayanan masana'antar tantanin halitta.
Yadda ake gyarawa
Saita kariyar caji mai zafi don shiga kafin ƙwayoyin su kai ga yanayin zafi mara aminci. Inganta iskar da ke cikin akwatin. Kada a rage matakin OVP don rama matsalolin zafi - wanda ke ɓoye ainihin matsalar (zafi) kuma yana barin fakitin ya fuskanci matsin lamba na zafi.
Yadda ake Sake saitawa Bayan Tafiye-tafiyen OVP
Kariyar ƙarfin lantarki mai yawa tana sharewa ta atomatik lokacin da ƙarfin tantanin halitta mai tayar da hankali ya faɗi ƙasa da matakin dawo da OVP (ƙimar da aka saita a ƙasa da wurin tafiya na OVP). Wannan yawanci yana faruwa ne lokacin da:
An cire caja ɗin- ƙarfin lantarki na tantanin halitta yana raguwa yayin da cajin saman ke raguwa.
An haɗa kaya na ɗan lokaci- yana rage ƙarfin wutar lantarki mai yawa na tantanin halitta.
Tsarin daidaita BMS yana canja wurin ko kuma yana fitar da jini daga babban ƙwayar halitta- raguwar ƙarfin lantarki.
Kada ka yi ƙoƙarin sake saita BMS da hannu ko kuma tilasta masa karɓar ƙarin caji. OVP yana nan don kare babban tantanin halitta daga tuƙi sama da matsakaicin ƙarfinsa. Warware tushen dalilin (rashin daidaito, ƙarfin caji, saitin iyaka, ko zafin jiki) kafin zaman caji na gaba.
Yadda DALY Smart BMS ke Taimakawa Gane Wannan
Gano yadda tafiyar OVP ta kasance daidai yana buƙatar ganin ƙarfin lantarki na kowace tantanin halitta a daidai lokacin da ake tafiya — ikon da aka gina DALY Smart BMS a kusa.
TheBMS Mai Wayo na DALYyana nuna ƙarfin ƙwayoyin halitta a ainihin lokacin. Lokacin da OVP ya yi tafiya, manhajar tana nuna wace ƙwayar halitta ce ta haifar da ita - don haka tushen dalilin (ƙwayar halitta mai girma ɗaya, duk ƙwayoyin halitta suna da girma tare, ko kuma yanayin zafin jiki) ana iya gani nan da nan maimakon a tantance bayan gaskiyar.
Tarihin abubuwan da suka faru na tarihi yana rubuta ƙwayar da ke haifar da matsala da yanayin kowace aukuwar OVP, don haka za ku iya sanin ko ƙwayar ɗaya tana haifar da matsala akai-akai (yana nuna rashin daidaito mai ɗorewa) ko kuma ko ƙwayoyin halitta da yawa suna isa ga OVP tare (yana nuna matsalar caji ko matakin ƙofa).
Ga fakitin da ke da yawan tafiye-tafiye,Jerin Daidaita Daidaito Mai Aikiyana tafiya mataki ɗaya gaba: maimakon cajin jini daga manyan ƙwayoyin halitta ta hanyar masu adawa, yana canja wurin caji tsakanin ƙwayoyin halitta a duk tsawon lokacin cikakken zagayowar caji, yana kiyaye fakitin a daidaita kafin kowace ƙwayar halitta ta yi karo da OVP.
Tambayoyin da Ake Yawan Yi
Manhajar BMS tana nuna ƙarfin fakitin 56V akan fakitin 16S — wato matsakaicin 3.5V ne ga kowace tantanin halitta. Me yasa OVP ke yin kasa?
Matsakaicin OVP ya shafiƙarfin lantarki na tantanin halitta ɗaya, ba matsakaicin fakitin ba. Idan tantanin halitta ɗaya yana3.66Vyayin da sauran suka yi matsakaicin3.48V, OVP zai yi karo da wannan tantanin halitta duk da cewa matsakaicin fakitin yana da kyau. Buɗe kallon ƙarfin lantarki na kowace tantanin halitta a cikin manhajar - babban tantanin halitta zai kasance a bayyane sama da sauran. Aika tsarin fakitin ku (ƙarfin lantarki na tsarin, ƙidayar tantanin halitta, ƙarfin aiki) zuwa ga ƙungiyarmu kuma za mu iya taimakawa wajen tabbatar da ko BMS ɗinku na yanzu yana ba da ganuwa ga kowace tantanin halitta a zurfin da kuke buƙata.
Na gyara matakin OVP mafi girma don dakatar da tafiye-tafiyen. Shin hakan lafiya ne?
Daidaita iyakar don dacewa da ainihin ƙarfin wutar lantarki na wayarku lafiya ne (ga daidaitaccen LiFePO4, wannan shine3.65Vkowace tantanin halitta). Daidaita shia samaBayanin tantanin halitta don dakatar da tafiye-tafiyen da ke nuna matsala ta gaske ba haka ba ne - yana ba da damar a tura ƙwayoyin halitta sama da matsakaicin ƙarfin su, yana hanzarta lalacewa, kuma, a cikin mawuyacin hali, yana haifar da haɗarin aminci. Gyara tushen dalilin tafiye-tafiyen maimakon ɗaga matakin da ya wuce ƙayyadaddun tantanin halitta.
Kwayar halitta ɗaya ce ke fara haifar da OVP. Shin yana buƙatar a maye gurbinsa?
Ba lallai ba ne. Kwayar da ke kaiwa ga OVP da farko yayin caji ita ce ƙwayar da ke da mafi ƙarancin juriya ta ciki, mafi ƙarancin ƙarfin da ya rage, ko duka biyun - kawai tana cika da farko.Tantanin da ya kamata a maye gurbinsa shine wanda ya fara kaiwa ga ƙarancin ƙarfin lantarkia lokacin fitarwa(ƙarancin ƙarfi ko juriya mai yawa a ƙarƙashin kaya), ba wanda ke caji da sauri ba. Don bambanta waɗannan, duba ƙarshen zagayen biyu a cikin manhajar BMS: babban caji don ƙwayoyin OVP-farko, ƙasan fitarwa don ƙwayoyin UVP-farko. Daidaito mai aiki yana sa fakitin ya daidaita ko da wane ƙwayar ce ke cika da farko, yana jinkirta buƙatar maye gurbin.
BMS dina yana da daidaiton aiki da kuma daidaiton aiki - wanne ne ke yin aikin?
Yawancin na'urorin Smart BMS na yau da kullun suna amfani da daidaitawar passive - ƙaramin kwararar jini (yawanci yana kaiwa ga daruruwan mA) wanda ke kunnawa da zarar tantanin halitta ya ketare matakin farawa na ma'auni kusa da saman caji. Jerin Daidaita Daidaito na DALY Active yana amfani da canja wurin caji (yawanci ajin amp da yawa) kuma yana aiki a duk tsawon zagayowar caji, ba kawai a saman ba. Don ƙananan rashin daidaituwa da aikace-aikacen caji a hankali, passive ya isa. Ga fakitin da ke nuna ci gaba da raguwa tsakanin zaman, daidaitawa mai aiki shine hanyar haɓakawa. Aika mana fakitin ku kuma yi amfani da akwatin don shawarwari.
Takaitaccen Bayani: Tsarin → Dalili → Gyara
| Tsarin | Dalili | Gyara |
|---|---|---|
| Kwayar halitta ɗaya koyaushe tana buga OVP; wasu a ƙasa | Rashin daidaituwar ƙwayoyin halitta - caji da sauri ga ƙwayoyin halitta | Daidaitawar aiki ko zaman daidaita kuɗi mai jinkiri |
| Duk ƙwayoyin halitta suna kusantar OVP tare | Ƙarfin caja ya yi yawa sosai | Ƙara yawan fitarwa na caja don dacewa da takamaiman fakitin |
| OVP a ƙarfin lantarki wanda yayi kama da ƙasa sosai | An saita iyaka ba daidai ba | Duba & daidaita ƙa'idar OVP a cikin saitunan BMS |
| OVP a cikin yanayi mai zafi yayin da kariyar zafin jiki ba ta da shiru | Ba daidai ba ne a saita kariyar zafin jiki | Tabbatar da matakin kariya na caji mai zafi |
Kuna buƙatar BMS wanda zai bayyana ainihin dalilin cikin daƙiƙa kaɗan?
Aiko mana da lambobi huɗu kuma za mu ba da shawarar tsarin DALY Smart BMS mai dacewa don fakitin ku - tare da ganuwa ga kowace tantanin halitta da kuma dabarun daidaita daidaiton da ya dace don tsarin rashin daidaiton ku.
- Ƙarfin wutar lantarki na tsarin (12V / 24V / 48V / 72V ko na musamman)
- Adadin ƙwayoyin halitta a cikin jerin (S)
- Ƙarfin da aka ƙayyade (Ah)
- Aikace-aikace (ajiyar rana / EV / e-keke / UPS / masana'antu)
Nemi Shawarar Tsarin Saita
Amsa cikin awanni 24 · Ƙungiyar injiniya, ba rubutun tallace-tallace ba
Don ƙarin bayani game da matsalolin BMS masu alaƙa, duba jagororinmu akanyadda ake gano matsalar sadarwa ta BMSkumaDaidaita aiki da rashin aiki don fakitin LiFePO4.
Bayani kan Maganin Tushe
Ana tattara matsakaicin ƙarfin wutar lantarki na tantanin halitta na LFP na 3.65V/tantanin halitta akai-akai a cikin dukkan majiyoyi goma sha ɗaya masu zaman kansu da aka ambata a sama (duba 1–11) kuma ya dace da ƙayyadaddun bayanai na farko na masana'anta na CATL / EVE / CALB. An ɗauki wannan ƙimar a matsayin cikakken an tabbatar da ita.
An bayyana bayanin ƙarfin samfurin ciki (nuna kowace tantanin halitta, tarihin tarihi, ɗabi'ar daidaitawa) a cikin labarin maimakon tare da takamaiman ƙimar lambobi (daidaitaccen mV, ƙimar sabuntawa, ƙarfin adanawa, daidaita ƙimar halin yanzu), yana jiran tabbacin injiniya na waɗannan ƙayyadaddun bayanai.
An tsara sashen Dalili na 4 (Zafin jiki) da gangan bisa kuskuren tsari na kariya daga zafin jiki maimakon dogaro kai tsaye tsakanin ƙarfin lantarki da zafin jiki, saboda wallafe-wallafen LFP na jama'a ba sa goyon bayan dangantaka mai tsabta ta adadi na siffar "zazzabi haɓaka X°C → hauhawar ƙarfin lantarki na tantanin halitta Y mV" a ƙarƙashin yanayin caji. Tsarin da aka zaɓa a nan yana hana masu amfani da kuskuren gano matsalar zafi a matsayin matsalar ƙarfin lantarki.
Lokacin Saƙo: Mayu-09-2026
