Custom battery pack gaw shi a nominal voltage hte Ah target hpe hkan sa lu nna, shi n-gun jaw ai jak a matu naw shut nga ai. Hpaga lam htahtuk manu ai battery pack hkrang shapraw ai, dawdan ai lam ni hpe bawnu masat da ai lam a hpang e makoi da ai: tengman ai ya aten na masa, pulse aten ladaw, nbung katsi ai lam garan ginhka ai lam, cell ni a n bung ai lam, BMS mahtai jaw ai logic, jak rung hkrat sum ai lam, pack hpe hpang jahtum e ana jep chyoi ra ai shaloi lu la mai ai data ni.
Ndai laika gaw dai engineering manghkang kata kaw sha nga ai. Dai gaw, n-gun rawng ai htung lailen-hte-htunghking battery shingdaw ai lam hpe bai n hpaw ya ai. Dai dawdan lam hpe naw n hparan shi yang, anhte a 2019 ning na bawngban ai lam.OEM ni a matu laksan lithium battery pack hkrang shapraw aidai shawng dawdan ai lam hpe tsun dan ai. Ndai shara hta, bungli gaw, prototype sawn la ai lam ni gaw, galaw shapraw ai lam hta pat shingdang ai lam n byin shi yang, arung arai ra kadawn ai lam ni hpe chyam dinglik mai ai hkrang shapraw dawdan lam ni de galai shai kau na matu re.
Battery Pack hpe tinang ra sharawng ai hku galaw ai gaw, Voltage hte Ah n re ai sha, Load Profile kaw nna hpang ai.
2019 ning a matu shawng nnan na akyu rawng ai masat da ai lam.Hpaga lam hte seng ai arung arai ni a matu laksan battery pack hkrang shapraw aingu ai gaw, jak a duty cycle re. "48 V, 200 Ah" zawn re ai hpyi shawn ai lam gaw, label lahkawng hpe lachyum shaleng ya ai; battery gara hku stress byin na hpe n tsun da ai.
AGV langai gaw, n-gun n-gun n law ai sha, n-gun n-gun n law ai sha, lawan ai peak ni hpe bai kahtap shapraw lu ai. Forklift gaw, hka hte sharawt ai lam hte, n-gun rawng ai lam hpe kayau kaya galaw lu ai. Mobile robot gaw galu kaba ai n-gun n law ai aten ni hpe kadun ai shamu shamawt ai pulse ni hte galai shai mai ai, nkau mi a traction system ni gaw pack de bai gram lajang ai current hpe bai nhtang jaw lu ai. Ndai shai hkat ai lam ni gaw cell n-gun shayawm ai lam, voltage shayawm ai lam, n-gun shayawm ai lam, conductor sizing, BMS makawp maga ai aten, kalang lang contactor htingnu gawgap ai lam ni hpe galai shai shangun ai.
Design hpe bai maram yu na matu, ra kadawn ai set gaw, bungli galaw ai voltage window, ra ai n-gun/run aten, matut manoi n-gun, peak current hte aten ladaw, recharge window, grup yin nbung katsi ai lam, jung da ai nsen, n-gun (sh) shock hkam sha ai lam, matut mahkai lam, hte gara regenerative (sh) reverse-n-gun masa ni hpe mung gawgap ra ai.
| Design bang ai | Hpa majaw nta gawgap ai lam hpe n-htum shi yang ahkyak ai kun? |
|---|---|
| Bungli galaw ai wan n-gun n-gun | SOC ting hta tatut galaw mai ai series jahpan hte arung arai ni a htuk manu ai lam hpe dawdan ai |
| Matut manoi n-gun | N-gun rawng ai cell, busbar hte conductor hpe n-gun jaw ai |
| Peak ya aten + aten ladaw | Voltage hkrat sum ai, makawp maga ai lam hpe jahkring kau ai hte contactor/fuse matut mahkai lam hpe hkra machyi shangun ai |
| Ra ai runtime | Nominal Ah sha n-ga, jai lang mai ai n-gun hpe masat da ai |
| Charge galaw ai hkuwawt | Charge rate hte thermal ladat hpe pat shingdang ai |
| Makau grup yin | Galai shai ai shingdu shingwang, pat da ai, katsi ai/katsi ai hte jep chyoi ai masa ni |
| CAN / RS485 ra ai lam ni | BMS gaw jak hte hpa hpe galai shai ra ai hpe dawdan ya ai . |
| Bai gram lajang ai lam | 2019 hta charge-ya aten hte tsaw ai-SOC akyang lailen hpe ra ai. |
Voltage kaba ai - jak langai mung, hpa majaw nominal current n law ai hpe madun dan ai. Battery hpe DC{2}}link capacitance kaba ai jak ni hte hkrak matut mahkai ai gaw, n-gun kaba ai inrush current hte contactor stress hpe shabyin ya lu ai majaw, pre-charge sequence gaw system htingnu gawgap ai lam hta lawm ra na re. Texas Instruments gaw DC-link n-gun, shang wa ai n-gun hte pre-charge hkrang shapraw ai lam lapran na ndai matut mahkai lam hpe ka da ai. (Texas jak ni)
Design tara: marai langai ngai mari na ngu myit mada ai battery label kaw nna n re ai sha, dai jak gaw teng sha galaw ai lam kaw nna battery hpe tsun dan u. Pulse duration ngu ai gaw lamu ga jarit masa re. 200 ms, 5 s hte 60 s peak gaw current langai sha hta n bung ai, hpa majaw nga yang cell ni, shada da matut mahkai ai lam ni hte makawp maga ai hardware ni gaw n bung ai wan hte nbung n-gun ni hpe shinggyin la lu ai majaw re.
Ndai shang gumhpraw ni hpe naw lachyum shaleng nga ai OEM hpung ni a matu, anhte aHpaga lam hte seng ai arung arai ni a matu laksan battery pack hkrang shapraw airesource gaw RFQ langai mi battery engineering de n du shi yang, lock galaw na matu manu dan ai shiga ni hpe shinggrup da ai.
Duty Cycle hpe wan jak htingnu gawgap ai lam de ga gale u
Load profile hpe chye ngut ai hpang, .OEM ni a matu laksan battery pack hkrang shapraw aidai ra kadawn ai lam hpe series jahpan, parallel atsam, ya na lam ni hte galai shai ai hardware ni de ga gale ya lu ai.
Series hti ai gaw lang mai ai voltage window hpe gawgap ya ai. Parallel capacity gaw n-gun atsam hte ya aten na atsam hpe garum ya ai. Ahkyak ai daw gaw, masat masa galaw ai lam n re. Dai gaw, byin pru wa ai htingnu gawgap ai lam gaw SOC tsaw ai, SOC kaji ai, peak load, hkam sharang ai lam tsaw ai hte yaw shada ai nbung katsi ai shara hta naw bungli galaw nga ai kun ngu ai lam rai nga ai.
| Ra ai lam | Htingnu gawgap ai dawdan lam | Hpyi shawn na sakse |
|---|---|---|
| Arung arai wan n-gun hkuwawt | Series jahpan | Hkum tsup ai-charge hte npu -SOC wan n-gun hte htuk manu ai |
| Runtime yaw shada ai | Parallel atsam | Duty-hpang jahtum galaw ai aten chyam dinglik ai |
| Matut manoi lit la ai | Cell + conductor htaw bang ai | Katsi ai lam rawt jat wa ai hte wan n-gun yawm wa ai |
| Peak load | Cell, bus bar, matut mahkai ai lam, wan n-gun | Pulse hpe masat da ai aten hta chyam yu ai |
| Bai gram lajang ai lam | Charge hkap la ai | Tsaw-SOC bai gram lajang ai chyam dinglik ai lam |
| Atsam rawng ai lit | Shawng -hpaga | Startup galaw ai shaloi shang wa ai/ya aten na hkan tam ai |
Madung wan n-gun hte seng ai matut mahkai lam hpe anhte a .htuk manu ai battery pack hkrang shapraw ai lam hte galaw shapraw ai nta gawgap hpaji bawngban ai lam. Ndai kaw na engineering lam gaw dai cell ni hpe hkum hkrang hku matut mahkai ngut ai hpang hpa byin wa ai hpe tsun mayu ai.
Parallel cell ni gaw current hpe hkum tsup hkra htani htana n garan ya ai. N bung ai nbung laru, kata na n-gun, charge a masa, matut mahkai n-gun hte asak kaba wa ai lam ni gaw parallel group kata na current hpe bai garan gachyan ya lu ai. Dai majaw, ya aten na-lam symmetry, cell ni a n-gun atsam hte thermal behavior ni hpe n seng ai checklist lam masum hku n rai, pack-madang manghkang langai hku nna bai maram yu ra ai.
Parallel count hte garan ai nominal cell current gaw jak a rating hta grau ai hpe madun ai jahpan sha n-ga, yaw shada ai hkrang masa kaw na peak-load voltage hkan tam ai lam ni hte thermal data ni hpe san yu u. Ndai gaw, theoretical hku nna htuk manu ai configuration langai mi, jak rung a duty cycle npu hta shi a tengman ai margin hpe madun hpang ai shara rai nga ai.
Cell shadawn shadang: Atsam gaw galai shai ai lam langai sha re
Cell matching gaw aten ladaw hta n bung ai lam hpe shabyin ya ai galai shai ai lam ni hpe hkang ra ai: atsam, kata na ninghkap ai lam (sh) ninghkap ai lam, shadawn shadang masa, SOC, nbung katsi ai lam hte galaw shapraw ai lam hpe hkan tam lu ai atsam. SOC langai hte nbung katsi ai shara hta shadawn ai ninghkap manu hpe kaga masa langai a npu hta shadawn ai manu hte n-gun n rawng ai sha shingdaw n mai nga ai.
Capacity-sha shadawn shadang gaw, aten galu magam bungli hta bai galaw lu ai bungli galaw lu na matu myit mada da ai industrial pack a matu, n-gun ja ai masat da ai lam n re.
Polinovel gaw ndai manghkang a galu kaba ai lam hpe madi madun ai kata na LFP pack chyam dinglik ai lam hpe shapraw da sai. 1990 hta chyam yu ai configuration yawng hpe25 degree, 80% DOD hte 0.5C charge galaw ai, packs ni hpe hpawng de da ai .3% cell-de-cell hkam sharang lu ai atsam hta n law ai (sh) maren sha redaram du wa sai1.5-2 lang80% SOH garai n du shi yang na cycle jahpan hpe 1000 hte hpawng de da ai pack ni hte shingdaw yu yang.12% hta n law ai (sh) maren sha hkam sharang lu ai.
Dai mahtai ni hpe n tara ai hku n mai copy galaw ai .htuk manu ai LiFePO4 battery htinggaw hkrang shapraw aimungkan ting shang wa ai-QC npawt nhpang ni hku nna. Shapraw da ai sumtang gaw LFP platform shagu a malai hku nna cell model langai, sample size hte galaw shapraw ai lam garan gachyan ai lam hpe n gawgap da ai. Tengman ai hkap la ai window hpe lata la ai cell masat masa, supplier garan gachyan ai lam hte hkang zing da ai shadawn shadang ladat kaw na naw lu la ra ai.
"Anhte Grade-A cells ni hpe lang ai" ngu tsun ai supplier langai mi gaw, bung ai ga san hpe n htan ya ai. Incoming inspection hta hpa hpe shadawn ai, gara SOC hte temperature hta gara hkam sharang ai lam hpe jai lang ai, capacity hte DCIR lahkawng yan hpe hkang lu ai kun, shinggyin la ngut ai hpang galaw shapraw ai shara hpe hkan tam mai ai kun ngu ai hpe san yu u.
Cell matching gaw -aten galu garan ginhka ai lam hpe shayawm ya ra ai, -a prat hti ai lam ni hpe langai sha zawn mu hkra sha n galaw ra ai. SOC, nbung katsi ai, chyam dinglik ai n-gun hte cell-model masa n lawm ai hkam sharang ai nambat gaw lachyum rawng ai supplier-shingdaw ai masa n re.
Katsi ai lam hpe maren mara byin hkra hkrang shapraw ai, shim lum ai katsi ai lam hpe sha n-ga
A matuhtuk manu ai battery pack katsi ai hpe hkang ai, n-gun grau ja ai gaw manghkang a daw mi sha re. Kaga daw mi gaw cell ni hte parallel lam ni hta nbung katsi ai lam hpe garan ginhka ai lam re.
A 2026 Tsam n-gunhkaja ai lam hpe tang madun da ai8.2℃kata -pack katsi kahtet ai lamshi a chyam dinglik masa ni a npu hta, 10 daram hte matut mahkai nga ai.200 lang shingjawng ngut ai hpang 35% n-gun sum mat ai. (Hpaji masa)
A 2026 eHkamja lamhkaja ai lam hta parallel-matut mahkai ai cell ni hpe shingdaw yu ai1,200 lawan ai-charge shingjawng ai, dai hta module langai lawm ai .10℃nbung katsi ai lam. Dai katsi ai cell gaw shawng nnan hta current grau law hkra gun hpai nna, hpang de gaw capacity grau htum mat nna, ninghkap ai lam rawt jat wa ai hpe madun dan ai. (Hpaji masa)
A 2026 N-gun npawt nhpang ni a laika buklang nna hkaja u101.8 Ah kaba ai- hkrang shapraw ai cellhte hkang zing da ai10℃galu kaba aitsun dan ai buga ginra na -density shai hkat ai lam hpe maram masam da ai15–20%, lithium plating gaw maren mara-hkum hkrang n-gun npu hta grau nna shawng dan dawng wa ai. (Hpaji masa)
Ndai ni gaw chyam dinglik ai mahtai ni rai nna, mungkan ting na battery-pack hkap la ai shadawn sharam n re. Shanhte a manu gaw, shanhte gaw engineering ladat langai sha hpe n bung ai maga kaw nna madun dan ai lam rai nga ai: thermal heterogeneity gaw ya aten na garan ginhka ai lam hpe galai shai ya lu nna, n bung ai asak kaba wa ai hpe lawan ladan galaw ya lu ai.
Operating scenario n lawm ai sha akyu rawng ai "kaja ai pack temperature" langai mi mung n nga ai.
Steady state makau e hkawm ai compact stationary pack hpe, lawan ai, ahkaw ahkang charge galaw ai hte n bungli n galaw ai aten ni hpe galai shai ai AGV hte n bung ai hku jep joi ra na re. N-gun kaba ai-i hpaga mawdaw gaw busbar, contactor hte shinggrup da ai n-gun hpe cell n-gun hta jat bang ya ai. Dai majaw, hkam la ai lam a yaw shada lam gaw, tengman ai load profile npu hta, absolute temperature hte shara garan ginhka ai lam lahkawng yan hpe ra nga ai.
Polinovel a shapraw ai cold-chain field data gaw kaga akyu rawng ai lamu ga jarit masa langai mi hpe jaw ya nga ai. Katsi ai-htingnut ai shara shagu hta, lamu ga shadawn ai lam ni gaw, 10 daram sha madun dan ai.80-90% gaw −20℃hta tawn da ai.. Dai jahpan gaw, pack langai hta thermal uniformity kaja ai hpe sakse n madun ai. Hpa majaw room-temperature bench data gaw yaw shada ai grup yin hta shadawn shadang ni hpe n mai galai shai ya ai hpe madun dan ai.
Representative load npu hta thermal map hpe hpyi shawn nna, katsi dik ai cell (sh) hpung hte katsi dik ai-to-katsi dik ai spread hpe chye ginhka nna, sensor tawn da ai gaw, peak hpe mawdaw gau ai ginra hpe teng sha mu lu ai kun ngu ai hpe jep yu u. BMS nbung laru channel langai sha, loi ai-to-wire shara kaw nga ai gaw, shim lum ai nambat hpe tsun dan lu nna, pack a kaga daw langai gaw, n bung ai nbung laru masa hta bungli galaw nga ai.
Temperature uniformity gaw ahkyak ai, hpa majaw nga yang, nbung n bung ai gaw, ya aten hte asak kaba wa ai shai hkat ai lam byin wa chye ai.Project- hte seng ai ga san gaw gara operating state gaw grau sawng ai thermal map hpe shabyin ya ai, dai hpe nominal pack rating kaw na sha n mai dawdan ai.
BMS Design gaw Akyang lailen hpe tsun dan ai lam re, Feature hpe jep joi ai lam n re
Akyu rawng aihtuk manu ai battery pack BMS hkrang shapraw aispecification gaw akyang lailen hpe lachyum shaleng ya ai: threshold, aten ladaw, n-gun n rawng ai, bai gram lajang ai, rap ra ai myit masa, sensor hpe tawn da ai, contactor hpe hkang ai, pre-charge galaw ai, matut mahkai ai lam hte mara labau.
OV/UV/OCP/OTP/CAN hpe ka da ai gaw, bungli ni nga ai hpe sha madi madun ai. Dai gaw, dai arung arai ni gaw lamu ga jarit de du ai shaloi, pack gara hku galaw ai hpe n gawgap da ai.
Over-ya aten hta makawp maga ai lam gaw kaja ai kasi langai rai nga ai. Tara shang ai motor-start pulse gaw matut manoi nga ai n-gun hpe grai law hkra lai di lu ai. Supplier wa gaw delay curve n lawm ai sha OCP threshold hpe sha jaw ai rai yang, OEM gaw BMS gaw shingra tara hku bungli galaw ai aten hta trip na kun, shing nrai, n shim lum ai mabyin byin ai aten hta ahkang jaw ai hku naw nga na kun ngu ai hpe dawdan lu na n rai.
Katsi majan hpe makawp maga ai lam hta mung dai hte maren sha re. Hkum tsup ai ra kadawn ai lam gaw gara sensor gaw galaw ai lam hpe shabyin ya ai, charge hte discharge gaw shadawn sharam n bung ai hpe jai lang ai kun, gara delay (sh) hysteresis hpe jai lang ai kun, gara hku hkam kaja wa ai lam byin wa ai hte gara mabyin masa gaw ana jep chyoi na matu naw nga ai kun ngu ai hpe gawgap ra ai.
Hpa hpe jep yu ra ai:ahkyak ai makawp maga mabyin langai hpra a matu, garan gachyan ai wa hpe trigger → delay → action → recovery → logged shiga ni lawm ai akyang lailen matrix hpe jaw na matu tsun u. Dai laika buk langai gaw, makawp maga ai sumla shi lawm ai brochure hta grau nna chye na shangun ai.
Matut mahkai lam mung jak hpe daw jau ra ai. CAN (sh) RS485 data hta pack current, cell-hpung a n-gun, nbung katsi ai lam, SOC, SOH, active faults, labau mabyin masa ni hte contactor a masa ni lawm mai ai. Protocol mying kaw na sha sawn la ai hta grau nna, hkrak tup ai mapping hpe target controller a matu myit hkrum ra ai.
BMS de galoi mung n galaw da ai ana jep chyoi ai shiga ni hpe field hkrat sum ai hpang kam mai ai hku bai gram lajang lu na n re. Ndai shara gaw makawp maga ai htingnu gawgap ai lam gaw, shim lum lam zawn, gram lajang mai ai lam hpe mung dawdan hpang wa ai shara rai nga ai.
Mechanical Design gaw Shani shagu na myit ru myit tsang lam hte grau sawng ai-Case hkrat sum ai lam lahkawng yan hpe hkang ra ai
A matuhtuk manu ai battery pack shingdu hkrang, shawng nnan na engineering ga san gaw, gara jak, nbung hte wan n-gun hkrat sum ai lam ni hpe shingdu shingwang gaw, dai arai a prat hpe hkang ra ai ngu ai re.
Shani shagu ra kadawn ai lam ni hta cell hpe pat shingdang ai, n-gun n rawng ai, busbar hpe madi shadaw ya ai, connector hpe n-gun n rawng ai, n-gun n rawng ai, n-gun rawng ai, thermal lam ni hte n-gun rawng ai lit ni lawm ai.
Material lata ai lam gaw hkrat sum ai masa hpe hkan sa ra ai.Mica- hpe madung tawn ai pat shingdang ai lam nicell (sh) module ni a lapran hta n-gun n rawng ai wan n-gun hte n-gun ja ai-hkum hkrang hpe ninghkap lu ai shara ni hta akyu rawng nga ai.Ceramic-hpun shingnipn kaja ai katsi ai lam byin ai aten hta thermal isolation gaw compactness hta grau ahkyak ai shara hta grau htap htuk ai.Katsi ai hpe shalai ya lu ai shingdu shingna (sh) hka htung galaw ai arung arai nifit a different problem: n-gun rawng ai n-gun hpe hkang lu ai n-gun lam de htawt sit ai, raitim, n-gun rawng ai hka htung hpe hkum tsup hkra galaw ai gaw, bungli galaw lu ai atsam hte bai galaw lu ai atsam hpe yak hkak shangun chye ai. Flame-retardant structural polymers ni gaw nta ni (sh) kata na madi shadaw ai lam ni a matu, hkra machyi ai lam, n-gun n-gun hte n-gun n-gun ni hpe n-gun jaw ai shaloi, htap htuk ai rai na re, raitim, dai ni hpe hkam la da ai garan kachyan ai lam hpe pat shingdang ai lam a malai hku n mai sawn la ai.
Hpang jahtum na arung arai n-gun hte n-gun hpe lata la ai cell format, garan kachyan ai ladat, daw jau ai hkrang hte shinggrup da ai geometry ni hte shingdaw nna naw jep joi ra na re. Ahkyak ai shading sharai ai lam gaw, "application hta hkan nna" ngu ai gaw "engineering ra sharawng ai lam n nga ai" ngu ai lachyum n re. Lachyum gaw, ra sharawng ai arung arai gaw, uphkang ai hkrat sum ai lam hpe hkan sa ai.
Worst-case design gaw n-gun n rawng ai hku sawn la ai kaw nna hpang wa ai: cell langai gaw hkrak hkra galaw shapraw ai hte shingra tara hku makawp maga ai raitim hkrat sum chye ai.
NASA a X-57 battery program gaw dai design myit masa a kaja ai maga hpe madun dan ai. Cell thermal event hpe myit mada let shabyin ai chyam dinglik ai lam hta, NASA gaw, dai system gaw htingbu cell ni de garan pru wa na ahkang n jaw ai sha, trigger cell de byin ai lam hpe bang da ai ngu tsun ai. (NASA)
Boeing 787 APU battery hpe sawk sagawn ai shaloi, n bung ai maga hpe mu lu ai. NTSB gaw, cell langai hta kata na short circuit byin ai majaw, thermal runaway byin wa nna, makau grup yin na cell ni de chyam bra wa ai ngu dawdan da ai, shi a sawk sagawn ai lam gaw, kata na short circuit a grau sawng ai akyu ni hpe shayawm kau lu ai design a atsam hpe mara shagun ai. (NTSB)
Dai majaw design ga san gaw:
"Cell hkrat sum ai hpe gara hku pat shingdang na kun?"
Dai gaw:
"Cell langai mi gaw hkrat sum ai lam de shang mat sai rai yang, pack architecture gaw n-gun jat ai lam hpe pat shingdang nna, hkang zing da ai hkrat sum ai lam hpe makawp maga ya ai kun?"
Dai ga san gaw, tsan gang ai lam, pat shingdang ai lam, nbung pru ai lam, hkam sha lam, shingdu shingna, shinggrup da ai n-gun hte tengman ai lam ni hpe shabyin ya ai. Dai hta n-ga, n-gun n rawng ai charge/discharge chyam dinglik ai lam gaw, grau sawng ai-case jak rung shimlam hte seng nna grai n law ai hku tsun ai majaw mung rai nga ai.
Shawng nnan na Prototype garai n galaw shi yang, gram lajang mai ai hkrang shapraw ai lam
Hpa majaw nga yang, n-gun ja ai hku gram lajang da ai rai yang pyi, n-gun ja ai hku gram lajang da ai rai yang pyi, n-gun n rawng ai battery hpe madi shadaw na matu mung manu dan na re.
Akyu rawng aihtuk manu ai battery pack hkrang gram lajang ai jahpanmai byin ai telemetry channel shagu hpe jat bang ai hta grau nna, service model kaw nna hpang de lata la ra ai.
AGV (sh) automated fleet a matu, mabyin masa ni hpe ka matsing da ai hte tsan tsan kaw nna hti mai ai cell-hpung a n-gun, nbung katsi ai, n-gun, SOC hte mara labau ni hpe grau nna hkum hkrang daw jau ai lam hpe n lu galaw shi yang, n-gun rawng ai hku galaw ra ai. Fleet operator wa gaw, shingbyi shara langai hpra hpe n hpaw ai sha, pack law law hta pattern ni hpe chye ginhka ra ai.
Sharin hkam la sai hpaji ninghkring ni galaw ya ai arung arai ni a matu, hkap la mai ai ana jep chyoi ai matut mahkai lam hte matut mahkai ai lam, fuse (sh) kaga masat da ai daw jau ai arung arai ni hpe jep joi ai lam gaw grau nna ahkyak shatai ging ai rai na re.
Sealed low-service product a matu, hkum hkrang n-gun hpe yaw shada let pat shingdang da ai rai na re. Dai zawn re ai masa hta, pack hpe hpaw ai gaw myit mada da ai manghkang hparan ai lam n re ai majaw, n sim n sa shut ai labau hte tsan tsan kaw nna jep chyoi ai lam gaw grau ahkyak wa ai.
Polinovel gaw ndai lam hpa majaw ahkyak ai hpe madun dan ai field ga shadawn langai hpe shapraw da sai. 2023 ning hta AGV madi shadaw ai lam hta, shawng na supplier langai a LFP packs ni lawm ai, BMS gaw .80 mA rap ra ai n-gun. Kade nna yangshata kru, cell-n-gun garan ai lam gaw 1 de du mat sai.63 mV, hte pack gaw makawp maga ai lam hpe pat kau ya ai majaw, 1 daram byin wa ai.hkying hkum mali tup galaw ai-line jahkring kau ai.
Dai mabyin hta ahkyak ai daw gaw 63 mV gaw mungkan ting hkrat sum ai threshold re ngu ai n re. N rai nga ai. Sharin la lu ai lam gaw, "battery n-gun yawm mat ai" zawn re ai field symptom hpe root-hpa majaw nga yang, system gaw cell-group data, makawp maga ai lam ni hte bungli galaw ai lam ni hpe n-gun jaw na matu yak ai.
Prototype n shapraw shi yang, hkrat sum mat ai hpang, hpaji ninghkring (sh) sanghpaw li hpa-awn langai ngai san na ngu myit mada ai field ga san manga hpe ka da u. Dai hpang, BMS hte jak rung hkrang gaw, dai ni hpe htai na matu ra ai sakse ni hpe makawp maga da ai kun ngu ai hpe jep yu u. Langai hpe lu ai data (sh) service interface kaw na n lu htai ai rai yang, dai gaw htawm hpang na -dut shabra ngut ai hpang na manghkang hta grau nna design gap re.
Maintainability hpe n shabra shi yang, hkrang shapraw ra ai.Gara ana jep chyoi ai masat kumla ni hpe ahkyak shatai ging ai gaw, dai arung arai hpe sanghpaw li-hpaji jaw ai, hpaji ninghkring-service galaw ai (sh) prat tup hkrak hkrak pat da ai hta madung nga ai.
Mass Production garai n galaw shi yang, Pack hpe Real Load hte Validate galaw u
Dai jak hpe awng dang hkra n-gun jaw ya ai prototype langai gaw, madung htuk manu ai lam hpe madun dan sai. Dai gaw hkam la da ai lam hpe n madun shi ai .htuk manu ai battery pack hkrang shapraw ai.
Prototype hpe masat masa galaw ai, DVT, pilot/PVT hte galaw shapraw ai EOL chyam dinglik ai lam ni gaw yaw shada lam amyu myu hpe galaw ya ai. OEM hku nna mying shamying ai lam gaw n bung mai ai, raitim ahkyak ai ra kadawn ai lam shagu hpe hpang jahtum e hkap la ai ladat langai mi de map galaw ra ai.
A matuhtuk manu ai battery pack hkrang hpe jep joi ai lam, dai gaw, laksan hku nna, jai lang mai ai atsam, voltage sag, thermal akyang lailen, peak-current mahtai, BMS makawp maga ai akyang lailen, matut mahkai lam, charge galaw ai lam, grup yin masa ni hte application hte seng ai hkrat sum ai lam ni hpe jep joi ai lam hpe tsun mayu ai.
Tengman ai tara:chyam dinglik ai lam langai hpe ra kadawn ai lam langai ngai de bai hkan tam lu yang, dai hpe lai di lu ai gaw, yaw shada tawn da ai jak hta dai hkrang shapraw ai lam bungli galaw ai hpe sakse n madun ai. Ga shadawn, 200 A pulse test galaw ai shaloi, ra ai arung arai gaw second 30 tup 200 A rai nna, laboratory test gaw second lahkawng daram sha galaw ai rai yang, n hkum tsup ai.
Hkamja lam hte seng ai atsam marai hte application shimlam hpe mung garan tawn da ra ai.
UN 38.3 gaw, lithium cell hte battery ni a matu, Mungkan Wunpawng Hpung a htaw sa ai lam-chyam dinglik ai masa hta lawm ai. Dai gaw, application-hpe laksan shimlam atsam marai hpe galai shai ai hta, htaw sa ai lam- hte seng ai chyam dinglik ra ai lam ni hpe hparan ya ai. (UNECE)
IEC 62619:2022n-gun rawng ai lithium cell hte battery ni a matu shimlam ra kadawn ai lam ni hpe hparan ya nna, shi a tsun da ai jai lang ai ginra kata hta forklift, golf mawdaw hte AGV zawn re ai bungli galaw ai shara hta jai lang ai lam ni hpe mung lawm ai. European (sh) North America de gap na matu yaw shada ai hpaga lam mawdaw masing langai a matu, application-shimlam ra kadawn ai lam ni hte htaw sa ai lam ra kadawn ai lam ni hpe UN 38.3 hpe hkum tsup ai hkan sa na masing hku n sawn ai sha, bungli masing hpang ai shaloi garan nna masat da ra ai.
Certification gaw battery gaw masat da ai madang (sh) chyam dinglik ra ai lam ni hpe hkan sa ai kun ngu ai hpe htai ya ai. Engineering validation gaw ndai battery, ndai jak kata, ndai lit hte grup yin npu hta, yaw shada ai hte maren galaw ai kun ngu ai hpe htai ya ai.
Mass n galaw shi yang hpa hpe jep yu ra ai:DVT/PVT report gaw lock galaw da ai ra kadawn ai lam langai hpra kaw nna shi a chyam dinglik masa, mahtai hte hkap la ai masat masa de hkrak ai line hpe madun dan ra ai. Dai masum n lawm yang "Tested successful" ngu ai gaw design shapraw na matu sakse n law ai.
Gara Field Data gaw gram lajang ai lam (sh) Engineering hpe bai maram yu na matu shabyin ra ai kun?
Condition- hpe madung tawn nna jep chyoi ai lam gaw, 100 shagu hta mungkan ting na threshold langai hpe jai lang ai hta grau akyu rawng ai.htuk manu ai battery pack hkrang gram lajang ai jahpanmasat ai.
| Hkai sun kumla | Gara hku galai shai wa ai masa gaw bai maram yu na matu tara shang shangun lu ai kun? |
|---|---|
| Cell-hpung a n-gun garan ai lam hpe jat wa ai | Cell n bung ai lam, rap ra ai lam, matut mahkai lam hpe ninghkap ai lam (sh) asak kaba wa ai lam |
| Rawt jat wa ai katsi kahtet ai lam | Katsi lam, sensor tawn da ai lam, matut mahkai lam sum mat ai (sh) buga na asak kaba wa ai |
| Shadawn shadang lit npu hta runtime yawm wa ai | Lang mai ai atsam, ninghkap ai lam rawt jat wa ai (sh) jak-load galai shai ai lam ni |
| Voltage jat wa ai | Cell ninghkap ai lam, shada da matut mahkai ai lam ninghkap ai lam (sh) grau tsaw ai peak load |
| Bai kahtap nna shut ai code ni | Makawp maga ai lam, jak rung a akyang lailen (sh) byin pru wa ai hardware manghkang |
| Local connector hpe katsi shangun ai | Matut mahkai ninghkap ai lam, torque, awu asin byin ai lam (sh) hkra machyi ai lam |
| SOC/SOH n htap htuk ai lam | Shadawn shadang hkrang, shadawn shadang (sh) n bung ai bungli galaw ai labau |
Shadawn shadang masa gaw ahkyak ai. Katsi ai sutdek hta mahkawng da ai Runtime hpe grau katsi ai, grau n-gun n rawng ai duty cycle npu na runtime hte myi nmu ai sha shingdaw n mai nna, asak kaba wa ai majaw sha re ngu tsun mai ai.
Cell-hpung ΔV (sh) nbung katsi ai lam hpe mung dai hte maren sha galaw mai ai. Kalang lang byin ai aten hta laksan peak langai mi hte shingdaw mai ai SOC/load masa ni hta grau sawng wa ai masa ni gaw n bung ai ana jep chyoi ai masat kumla ni rai nga ai.
Hkai sun tara:pack hpe commission galaw ai shaloi baseline hpe tsun dan nna, hpang na data ni hpe mai byin ai shara shagu hta bung ai masa ni hta shingdaw yu u. Dashboard channel ni a jahpan hta grau nna, Trend quality gaw ahkyak ai.
Design hpe n shapraw shi yang, tinang ra ai Battery Pack Design hpe bai maram yu na matu
A laksan Li-ion battery pack hkrang shapraw ai lam hpe jep yu ai jahpansubsystem shagu hpe bawngban ngut sai kun ngu san ai hta grau nna galaw ra ai. Tooling (sh) mass production de shapraw na matu grai n chye na ai mahtai ni hpe chye ginhka ra ai.
| Bai maram yu ai shara | Ga san hpe shalawt dat u | Review hpe jahkring kau ra ai red flag |
|---|---|---|
| Profile hpe bang da u | Matut manoi, aten kadun, bai gram lajang ai hte hpang jahtum na lit ni hpe lachyum shaleng da ai kun? | Nominal current sha nga ai |
| Voltage htingnu gawgap ai lam | Hkum tsup ai operating window gaw jak hte htuk manu ai kun? | Nominal voltage hpe sha jep yu ai |
| Cell lata ai lam | Chemistry hte power atsam gaw duty cycle hte bung ai kun? | Cycle-asak hkrung lam hpe tang shawn ai lam gaw, shinggyim masha ni a jahpan kaw na sha pru wa ai |
| Cell bung ai | Metrics, shadawn shadang masa hte hkan tam mai ai lam ni hpe lachyum shaleng da ai kun? | Hkamja lam hte seng ai wa gaw "Grade-A cells" hpe sha tsun ai. |
| Series-bung ai hkrang shapraw ai lam | Ya aten na lam ni hte voltage sag hpe chyam yu sai kun? | Parallel hti ai hpe Ah 1 hku sha tara shang ai. |
| Katsi ai hkrang | Hottest-cell a n-gun hte garan ginhka ai lam hpe load npu hta shadawn ai kun? | Ambient (sh) shim lum ai sensor langai hpe sha tsun dan ai |
| BMS | Threshold, delay, hysteresis, bai gram lajang ai lam hte hpun htu ai lam ni hpe ka da ai kun? | Makawp maga ai lam hpe feature icon hku sha madun da ai . |
| Shawng -charge / matut mahkai ai ni | Startup gaw matut da ai arung arai ni hte bung ai kun? | DC-link/hkap la ai lam hpe bai maram yu ai lam n nga ai |
| Jak jak hkrang shapraw ai lam | Vibration, pat shingdang ai lam, insulation hte hkrat sum ai lam ni hpe pat shingdang ai lam ni hpe hparan ya ai kun? | Htinggrum ai lam hpe bai maram yu ai shaloi, htuk manu ai hte IP rating hpe sha lawm ai |
| Ana jep ai lam | Htawm hpang na field failure ni hpe lu da ai data ni kaw na bai gram lajang mai na kun? | Mabyin labau (sh) cell-hpung masa n nga ai |
| Hkamja lam | Ahkyak ai ra kadawn ai lam langai hpra gaw chyam dinglik ai lam langai hpe map galaw ai kun? | "Prototype bungli galaw ai" ngu ai gaw hkap la ai sakse madung rai nga ai . |
| Hkan nang hkan sa ai lam | Hkamja lam hte jai lang ai madang ni hpe hkrak garan tawn da ai kun? | UN 38.3 hpe sha shimlam ra ai lam hku nna tang madun da ai . |
| Hpaga lam | Shang wa ai QC, hkan tam mai ai lam hte EOL hpe hkang ai lam ni hpe lachyum shaleng da ai kun? | Supplier gaw n shagun shi yang hpa hpe shadawn ai hpe n mai madun dan ai |
| Daw jau | Service model gaw access hte ana jep ai lam ni hta dan dawng nga ai kun? | Hkamja lam hpe -dut ngut ai hpang de jahkring kau ai |
OEM engineer hpung langai mi san yang .battery pack hpe gara hku galaw na, ndai jep chyoi ai jahpan gaw tatut galaw mai ai mahtai rai nga ai: bawnu ra kadawn ai lam shagu gaw hpang jahtum e nta gawgap ai dawdan lam, shadawn shadang hkap la ai masat masa, galaw shapraw ai lam du hkra naw hkrung nga ai sakse ni tai wa ra ai.
Duty cycle, bungli galaw ai voltage, peak load, installation envelope, grup yin hte matut mahkai ra ai lam ni hpe masat da sai bungli masing ni a matu, Polinovel gaw dai shang gumhpraw ni hpe wan, BMS, nbung, jak, hkam la ai lam hte galaw shapraw ai lam ni hta byin wa na akyu ni hpe bai maram yu mai ai.htuk manu ai jak rung battery hparan ladat.
a yaw shada lam gaw .htuk manu ai battery pack hkrang shapraw aigaw, yak hkak ai lam ni hpe jat bang na matu n re. Dai gaw, hkrang shapraw ai lam hpe naw galai shai mai ai aten hta, bungli galaw ai lam, shimlum lam (sh) gram lajang mai ai lam ni hpe n tara ai hku sawn la ai lam ni hpe hpaw shadan dan na matu re.
Ndai hku galaw da ai pack hpe nominal voltage hte capacity hku sha n tsun ai. Shi a wan n-gun htingnu gawgap ai lam, nbung n-gun atsam, BMS logic, jak rung makawp maga ai lam hte ana jep chyoi ai sakse ni gaw, shi hpe n-gun jaw na matu galaw da ai jak hte maren sha naw rai nga ai kun ngu ai hku nna lachyum shaleng da ai.
FAQ
Custom battery pack hpe n galaw shi yang gara shiga ni ra ai kun?
Hpa majaw nga yang, bungli galaw ai voltage range, ra ai n-gun/runtime, matut manoi hte n-gun kaba dik ai current, n-gun kaba dik ai aten, charge galaw ai profile, bungli galaw ai nbung katsi ai lam, jak envelope, grup yin na lit ni, matut mahkai lam, hte hkan sa mai ai hkan sa ra ai lam ni hpe tsun dan u.
Thermal gradient ni gaw custom battery pack a bungli hpe gara hku hkra machyi shangun ai kun?
Temperature gradients ni gaw buga na ninghkap ai lam hte current garan ginhka ai lam hpe galai shai kau ya lu ai majaw, cells (sh) parallel group ni hpe n bung ai wan n-gun n-gun hpe hkam sha shangun nna, n bung ai n-gun hte asak kaba wa chye ai.
Custom battery pack BMS masat masa hta voltage hpe makawp maga ai hta n-ga hpa ni lawm ra ai kun?
Dai gaw, ya aten hte nbung katsi ai shadawn sharam, aten ladaw, n-gun shayawm ai lam, bai gram lajang ai lam, rap ra ai lam, sensor hpe tawn da ai lam, CAN/RS485 a akyang lailen, mara hpe sawk sagawn ai lam, hte ra ai shara ni hta contactor (sh) pre-charge hpe hkang ai lam ni hpe tsun dan ra ai.
Custom battery pack hpe gram lajang na matu loi ai hku gara hku galaw ra ai kun?
Design galaw ai shaloi, gara ana jep chyoi ai data, service interfaces, mabyin masa labau, nbung katsi ai lam hpe ka da ai, cell-hpung a shiga, hkan tam mai ai lam, hte jep joi ai lam (sh) galai shai ai lam ni hpe ginra hta ra na hpe dawdan u.
UN 38.3 gaw hpaga lam hta lang ai lithium battery langai a matu ram sai kun?
No. UN 38.3 hta lithium-cell hte battery htaw sa ai lam hpe chyam dinglik ai lam hpe tsun da ai; application shimlam ra kadawn ai lam ni hpe jak rung, gat lawk hte seng ang ai madang ni hte maren garan nna jep joi ra na re.
