Chiyambi:
Mabatire a lithiamu ali paliponse m'miyoyo yathu. Mabatire athu a foni yam'manja ndi mabatire agalimoto amagetsi ndi zonsemabatire a lithiamu, koma kodi mumadziwa mawu ofunikira a batri, mitundu ya batri, ndi gawo ndi kusiyana kwa mndandanda wa batri ndi kulumikizana kofananira? Tiyeni tifufuze chidziwitso cha mabatire omwe ali ndi Heltec.
Basic terminology ya mabatire a lithiamu
1) Mtengo wa C
Amatanthauza chiŵerengero cha panopa ndi mphamvu mwadzina wa lithiamu batire pa kulipiritsa ndi kutulutsa. Imalongosola momwe batire ingakulitsire ndi kutulutsidwa mwachangu. Mitengo yolipiritsa ndi kutulutsa sizofanana. Mwachitsanzo:
1C: kutulutsa batire kwathunthu mkati mwa ola la 1 (malipiro athunthu)
0.2C: tulutsani batire kwathunthu mkati mwa maola 5 (malipiro athunthu)
5C: tulutsani batire kwathunthu mkati mwa maola 0.2 (malipiro athunthu)
2) Kuthekera
Kuchuluka kwa magetsi osungidwa mulithiamu batire. Chipangizocho ndi mAh kapena Ah.
Kuphatikizidwa ndi mlingo, mwachitsanzo, ngati batire ndi 4800mAh ndipo mtengo wamtengo wapatali ndi 0.2C, zikutanthauza kuti zimatenga maola a 5 kuti batire ikhale yokwanira kuchokera ku chopanda kanthu (kunyalanyaza siteji ya pre-charging pamene batire ili yochepa kwambiri).
Kuthamanga kwapano ndi: 4800mA*0.2C=0.96A
3) BMS kasamalidwe ka batire
Dongosolo limawongolera ndikuwongolera kuyitanitsa / kutulutsa batire, limazindikira kutentha ndi voteji ya batri, limalumikizana ndi makina ochitira, kulinganiza mphamvu ya batri, ndikuwongolera magwiridwe antchito achitetezo a pakiti ya batri ya lithiamu.
4) Kuzungulira
Njira yopangira batire ndikutulutsa imatchedwa kuzungulira. Ngati batire imangogwiritsa ntchito 80% ya mphamvu zake zonse nthawi iliyonse, moyo wozungulira wa mabatire a lithiamu-ion ukhoza kukhala wokwera ngati masauzande.
Mtundu wa Batri ya Lithium
Pakali pano, malonda a lithiamu-ion maselo makamaka cylindrical, lalikulu ndi zofewa paketi.
Ma cell a 18650 cylindrical ndi maselo a lithiamu-ion omwe ali ndi voliyumu yapamwamba kwambiri pakali pano. Ma cell athu a G amtundu wa batri ndi amtunduwu.
Mndandanda wa ma cell ndi kulumikizana kofananira
Selo ndiye chigawo chapakati chalithiamu batire. Kuchuluka kwa maselo kumasiyanasiyana malinga ndi momwe batire imagwiritsidwira ntchito, koma mabatire onse ayenera kulumikizidwa m'njira zosiyanasiyana kuti akwaniritse voteji ndi mphamvu zomwe zimafunikira.
Chidziwitso: Mikhalidwe yolumikizirana ndizovuta kwambiri. Chifukwa chake, kulumikizana kofananira koyamba ndiyeno kugwirizana kotsatizana kungachepetse zofunikira pakusasinthasintha kwa batri.
Q: Kodi pali kusiyana kotani pakati pa mabatire atatu ndi anayi ofanana ndi anayi ofanana ndi atatu-mndandanda wa mabatire?
A: Magetsi ndi mphamvu ndizosiyana.Kulumikizana kwa Series kumawonjezera voteji, ndipo kulumikizana kofananira kumawonjezera apo (kuthekera)
1) Kulumikizana kofanana
Tangoganizani kuti mphamvu ya batire ya cell ndi 3.7V ndipo mphamvu yake ndi 2.4Ah. Pambuyo pa kulumikizidwa kofananira, mphamvu yamagetsi yamagetsi ikadali 3.7V, koma mphamvu imakwera mpaka 7.2Ah.
2) Series kugwirizana
Tangoganizani kuti mphamvu ya batire ya cell ndi 3.7V ndipo mphamvu yake ndi 2.4Ah. Pambuyo pa kulumikizidwa kwa mndandanda, ma voltage terminal a system ndi 11.1V, ndipo mphamvu imakhalabe yosasinthika.
Ngati batire selo ndi mndandanda atatu ndi awiri ofanana, okwana 6 18650 maselo, ndiye batire ndi 11.1V ndi 4.8Ah. Sedan ya Tesla Model-S imagwiritsa ntchito maselo a Panasonic 18650, ndipo paketi ya batire ya 85kWh imafuna pafupifupi ma cell 7,000.
Mapeto
Heltec ipitiliza kukonzanso chidziwitso chodziwika bwino cha sayansimabatire a lithiamu. Ngati muli ndi chidwi, mukhoza kumvetsera. Nthawi yomweyo, timakupatsirani mapaketi apamwamba a lithiamu batire kuti mugule ndikupereka ntchito zosinthidwa kuti zikwaniritse zosowa zanu.
Heltec Energy ndi mnzanu wodalirika pakupanga mapaketi a batri. Ndi kuyang'ana kwathu kosalekeza pa kafukufuku ndi chitukuko, pamodzi ndi mitundu yosiyanasiyana ya zida za batri, timapereka mayankho okhazikika kuti tikwaniritse zosowa zamakampani. Kudzipereka kwathu pakuchita bwino, mayankho ogwirizana, ndi mgwirizano wamphamvu wamakasitomala zimatipangitsa kukhala osankha kwa opanga mapaketi a batri ndi ogulitsa padziko lonse lapansi.
Ngati muli ndi mafunso kapena mukufuna kudziwa zambiri, musazengereze kuterokufikira kwa ife.
Pempho la Mawu:
Jacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538
Sucre:sucre@heltec-bms.com/ +86 136 8844 2313
Nancy:nancy@heltec-bms.com/ +86 184 8223 7713
Nthawi yotumiza: Oct-18-2024