1. Nzira Dzekumutsa
Kana ukabatidzwa kekutanga, pane nzira nhatu dzekumutsa (zvigadzirwa zveramangwana hazvizodi kushanda):
- Kumutsa bhatani kuti rishande;
- Kumutsa kwekuchaja kwekugadzirisa;
- Bhatani reBluetooth rinomutsa.
Kune nzira nhanhatu dzekumutsa kombiyuta dzinotevera:
- Kumutsa bhatani kuti rishande;
- Kumutsa kwekuchaja (kana voltage yekupinda yechaja iri pamusoro pe2V pane voltage yebhatiri);
- 485 kutaurirana kumutsa kumuka;
- Kumutsa kushanda kwekutaurirana kweCAN;
- Kumutsa kwekushanda kweDischarge (ikozvino ≥ 2A);
- Kumutsa key activation.
2. BMS Hope Mode
IyoBMSInopinda mumodhi ine simba shoma (nguva yakatarwa i3600 seconds) kana pasina kutaurirana, pasina charge/discharge current, uye pasina signal yekumuka. Munguva yekurara, maMOSFET anochajwa uye anoburitswa anoramba akabatana kunze kwekunge bhatiri risina simba rakawanda raonekwa, ipapo maMOSFET anozobviswa. Kana BMS ikaona masaini ekutaurirana kana charge/discharge currents (≥2A, uye kuti ikwanise kushajwa, input voltage yechaja inofanira kunge yakakwira ne2V kupfuura bhatiri, kana paine signal yekumuka), ichapindura nekukasika yopinda mumamiriro ekushanda ekumuka.
3. Nzira yekuongorora SOC
Kugona kwese kwebhatiri ne xxAH kunoiswa kuburikidza nekombuta inochengeta. Panguva yekuchaja, kana voltage yesero yasvika pahuwandu hwepamusoro hwe overvoltage uye paine charge current, SOC ichaongororwa kusvika 100%. (Panguva yekuburitsa, nekuda kwezvikanganiso zvekuverenga SOC, SOC inogona kunge isiri 0% kunyangwe mamiriro ealarm e undervoltage akasangana. Cherechedza: Nzira yekumanikidza SOC kusvika zero mushure mekudzivirira overdischarge yesero (undervoltage) inogona kugadziriswa.)
4. Nzira yekubata nayo zvikanganiso
Zvikanganiso zvinokamurwa kuita mazinga maviri. BMS inobata mazinga akasiyana ezvikanganiso zvakasiyana:
- Danho 1: Zvikanganiso zvidiki, maaramu eBMS chete.
- Danho rechipiri: Kukanganisa kwakanyanya, BMS inovhundutsa uye inodzima switch yeMOS.
Pazvikanganiso zvinotevera zveLevel 2, switch yeMOS haidzimwe: alarm yekusiyana kwevoltage yakawandisa, alarm yekusiyana kwetembiricha yakawandisa, alarm yeSOC yakakwira, uye alarm yeSOC yakaderera.
5. Kudzora Kuenzana
Kuenzanisa kusingashande kunoshandiswa.BMS inodzora kuburitswa kwemasero ane voltage yakakwirakuburikidza nema resistors, zvichibvisa simba sekupisa. Kuenzanisa kwemagetsi i30mA. Kuenzanisa kunotanga kana zvese zvinotevera zvikaitika:
- Panguva yekuchaja;
- Voltage yekuenzanisa inosvikwa (inogadziriswa kuburikidza nekombuta yemubati); Musiyano wevoltage pakati pemasero > 50mV (50mV ndiyo default value, inogadziriswa kuburikidza nekombuta yemubati).
- Voltage yekutanga yekushanda kwe lithium iron phosphate: 3.2V;
- Voltage yekutanga yekushanda kwe ternary lithium: 3.8V;
- Voltage yekutanga yekushanda kwe lithium titanate: 2.4V;
6. Kufungidzira kweSOC
BMS inofungidzira SOC ichishandisa nzira yekuverenga coulomb, ichiunganidza chaji kana discharge kuti iongorore kukosha kweSOC yebhatiri.
Chikanganiso Chekufungidzira kweSOC:
| Kururama | Nzvimbo yeSOC |
|---|---|
| ≤ 10% | 0% < SOC < 100% |
7. Kururama kweVoltage, Current, uye Tembiricha
| Basa | Kururama | Chikamu |
|---|---|---|
| Voltage Yesero | ≤ 15% | mV |
| Voltage Yese | ≤ 1% | V |
| Zvazvino | ≤ 3%FSR | A |
| Tembiricha | ≤ 2 | °C |
8. Kushandiswa kweSimba
- Simba rekushandisa rebhodhi rehardware parinoshanda: < 500µA;
- Kuzvishandisa kwega kwesoftware board pakushanda: < 35mA (pasina kutaurirana kwekunze: < 25mA);
- Kuzvishandisa kwemagetsi mu sleep mode: < 800µA.
9. Switch Yakapfava uye Kiyi Switch
- Pfungwa yekutanga yebasa re soft switch ndeye inverse logic; inogona kugadziriswa kuita positive logic.
- Basa rekutanga rekiyi switch nderekuvhura BMS; mamwe mabasa elogic anogona kugadziriswa.
Nguva yekutumira: Chikunguru-12-2024
