Dab tsi yog qhov hluav taws kub uas xav tau rau cov chaw nres tsheb EV?

Raws li tus naj npawb ntawm lub zog tshiab tsheb txuas ntxiv zuj zus, lub tsheb hluav taws xob (EV) cov chaw them nqi hluav taws xob thiab cov pawg them nyiaj tau raug xa mus sai. Los ntawm cov chaw nres tsheb ua lag luam thiab thaj chaw nyob mus rau qhov chaw pabcuam kev loj, ntau qhov chaw tau txhim kho cov tsheb thauj khoom hluav taws xob.

Nyob rau tib lub sijhawm, kev them nyiaj kev nyab xeeb tau maj mam tau txais kev saib xyuas ntau dua. Txawm hais tias lub tsheb hluav taws xob muaj kev nyab xeeb zoo nyob rau hauv ib txwm ua haujlwm, qhov loj - muaj peev xwm lithium- ion roj teeb uas siv hauv cov tsheb no yuav ua rau muaj kev pheej hmoo xws li thermal khiav, overheating, thiab combustion thaum raug rau qhov txawv txav.

Rau cov chaw nres tsheb them nqi hluav taws xob, cov tswj vaj tse, thiab cov neeg siv khoom lag luam, ntxiv rau kev txhim kho cov khoom siv them nyiaj, kev tsim cov khoom siv tiv thaiv hluav taws uas tsim nyog kuj yog ib feem tseem ceeb ntawm kev tswj hwm kev nyab xeeb rau cov chaw them nyiaj.

Yog li, cov hluav taws kub dab tsi xav tau ntawm EV charging chaw nres tsheb? Cov tshuaj tua hluav taws zoo tib yam puas tsim nyog? Koj yuav tsum xaiv cov khoom siv tiv thaiv hluav taws zoo li cas rau cov chaw them hluav taws xob tsheb?

Vim li cas cov chaw them nyiaj xav tau kev tiv thaiv hluav taws?

Piv nrog rau cov chaw nres tsheb ib txwm muaj, qhov sib txawv loj tshaj plaws ntawm EV cov chaw them nqi yog qhov sib ntxiv ntawm cov khoom siv hluav taws xob thiab cov roj teeb uas muaj zog heev. Thaum lub sij hawm them nyiaj, lub roj teeb tau txais hluav taws xob txuas ntxiv mus. Yog tias muaj kev cuam tshuam los ntawm cov khoom siv tsis ua haujlwm, roj teeb kev laus, teeb meem thaiv, lossis kev cuam tshuam ib puag ncig sab nraud, qhov kev pheej hmoo ntawm cov xwm txheej txawv txav yuav nce ntxiv.

Muaj kev txhawj xeeb txog kev nyab xeeb hauv EV cov chaw them nyiaj suav nrog cov khoom siv tsis ua haujlwm, roj teeb laus, teeb meem thaiv, thiab lwm yam ib puag ncig. Tsis tas li ntawd, peb qhov kev txhawj xeeb tseem ceeb ntxiv yog:

1. Thermal runaway propagation -Thaum ib lub cell nkag mus rau hauv thermal khiav tawm, cov cua sov tso tawm tuaj yeem ua rau cov hlwb uas nyob ib sab, ua rau muaj cov tshuaj tiv thaiv kab mob uas nyuaj rau muaj thiab yuav ua rau muaj hluav taws loj lossis tawg.

2. Hluav taws xob poob siab thiab arc flash txaus ntshai –Cov khoom siv them nyiaj ua haujlwm ntawm qhov hluav taws xob siab (feem ntau 400 V-800 V DC). Kev rwb thaiv tsev tsis raug, cov kab hluav taws xob puas, lossis kev tuav tsis raug tuaj yeem ua rau cov neeg ua haujlwm raug hluav taws xob poob lossis arc flash, uas ua rau muaj kev pheej hmoo ntawm kev nyab xeeb tam sim ntawd.

3. Sib tw tua hluav taws thiab kev pheej hmoo ntawm kev kav -Lithium-ion roj teeb hluav taws xob yog tus kheej txhawb nqa thiab tuaj yeem tsim lawv tus kheej oxygen. Cov tshuaj tua hluav taws xob (piv txwv li, CO₂, tshuaj qhuav) yuav tsis ua kom lub roj teeb ua kom txias, thiab txawm tias tom qab kev tua hluav taws, qhov chaw kub kub zais tuaj yeem ua rau kav ntau teev lossis hnub tom qab, yuav tsum tau saib xyuas tas li thiab tshwj xeeb kev tua hluav taws.

Kev pheej hmoo hluav taws kub ntau ntawm EV Charging Stations

Nkag siab txog qhov muaj feem pheej hmoo ntawm cov chaw them nqi yog qhov tseem ceeb ua ntej rau kev xaiv lub tshuab tua hluav taws kom raug.

Lithium-Ion Battery Thermal Runaway Risk

Cov tsheb fais fab tshiab feem ntau siv lithium - ion roj teeb ua lawv lub zog. Thaum muaj qhov txawv txav tshwm sim hauv lub roj teeb, kev kub ceev ceev tuaj yeem tsim tau - qhov tshwm sim hu ua thermal runaway. Thaum lub sij hawm thermal runaway, cov hauv qab no yuav raug pom:

• Kub nce ceev
• Haus luam yeeb tiam
• Sustained internal tshuaj tiv thaiv
• Kev nthuav tawm mus rau cov hlwb uas nyob ib sab

Thermal runaway tuaj yeem tshwm sim los ntawm ntau yam, suav nrog kev them nyiaj ntau dhau, tshaj - tso tawm, kev tsim txom thermal sab nraud, kev puas tsuaj rau cov khoom siv, kev siv luv luv, lossis kev tsim khoom tsis raug. Thaum pib, qhov kub hauv lub roj teeb tuaj yeem nce siab heev- cov kev tshawb fawb tau sau tseg qhov kub siab tshaj plaws mus txog 1,370℃hauv cov roj teeb modules thaum lub sij hawm thermal runaway txheej xwm. Cov txheej txheem yog tus kheej - txhawb nqa thiab nyuaj heev los cuam tshuam.

Muaj Kev Nyab Xeeb Ntxiv Tshaj Plaws Pom Zoo

Ntxiv nrog rau qhov kub thiab txias thiab qhib nplaim taws, lithium{0}}ion roj teeb hluav taws muaj ob peb lwm yam phom sij loj:

• Toxic thiab flammable gas emissions -Thaum lub sij hawm thermal runaway, cov roj teeb tso tawm ntau yam ntawm cov pa roj carbon monoxide, hydrogen, thiab ntau yam hydrocarbons. Nyob rau hauv ib puag ncig los yog ib feem ntawm qhov chaw kaw, cov pa roj no ua rau muaj kev phom sij loj rau cov neeg ua haujlwm thiab tuaj yeem tsim kev phom sij tawg.

• Kev kub ceev ceev kis thiab kav -Cov cua sov tso tawm thaum lub sij hawm thermal runaway tuaj yeem nthuav tawm sai sai rau cov hlwb uas nyob ib sab, ua rau cov tshuaj tiv thaiv kab mob. Ntxiv mus, cov tshuaj tua hluav taws uas siv tau xws li tshuaj qhuav qhuav lossis CO₂ tsuas tuaj yeem tua cov nplaim taws ib ntus xwb- lawv tsis tuaj yeem txias lub roj teeb. Cov tshuaj tiv thaiv sab hauv txuas ntxiv mus, thiab kev kav feem ntau tshwm sim hauv vib nas this. Qhov no ua rau EV roj teeb hluav taws kub tshwj xeeb yog qhov nyuaj rau kev tua tag nrho.

• Lub zog hluav taws xob -Txawm hais tias tom qab qhov hluav taws kub pom tau raug tshem tawm, lub roj teeb tseem tseem muaj cov khoom siv hluav taws xob tseem ceeb, ua rau muaj kev poob siab thiab kev pheej hmoo ntawm kev kav.

Qhov cuam tshuam rau kev tiv thaiv hluav taws

Vim lithium -Ion roj teeb hluav taws xob yog hluav taws xob hluav taws xob hauv qhov xwm txheej, cov tswv yim tiv thaiv hluav taws yuav tsum mus dhau qhov hluav taws kub tua hluav taws. Cov lus teb zoo yuav tsum tau ua kom txias ntawm lub roj teeb tseem ceeb kom tsis txhob muaj cov tshuaj lom neeg sab hauv. Qhov no yog vim li cas thiaj xaiv tus neeg tua hluav taws uas tsim nyog thiab muaj cov dej txaus los yog cov hluav taws kub tshwj xeeb yog qhov tseem ceeb rau txhua qhov chaw them nyiaj EV.

Yog li ntawd, kev hais txog EV hluav taws yuav tsum tsis yog tsuas yog tswj cov nplaim taws xwb tab sis kuj tseem tswj cov roj teeb kub hauv lub cev -ib qho kev sib txawv uas muaj feem cuam tshuam rau kev xaiv cov twj tua hluav taws thiab kev npaj teb thaum muaj xwm txheej ceev ntawm cov chaw them nqi.

Cov Hluav Taws Xob Hluav Taws Xob Dab Tsi Yuav Tsum Tau Txais ntawm EV Charging Stations?

Rau EV charging chaw nres tsheb, xaiv lub tshuab tua hluav taws zoo yuav tsum tau txiav txim siab ntawm ob qho tib si cov yam ntxwv ntawm lithium-ion roj teeb hluav taws xob thiab qhov chaw tshwj xeeb. Tam sim no, cov kev xaiv uas muaj nyob hauv khw muaj xws li:

Lithium-ion roj teeb tshwj xeeb tua hluav taws

Lithium-ion roj teeb tua hluav tawsyog cov khoom siv tua hluav taws tsim tshwj xeeb rau cov teeb meem tshwj xeeb ntawm lithium-ion roj teeb hluav taws xob. Piv nrog cov pa hluav taws tua hluav taws, cov khoom siv no tseem ceeb dua rau:

• Roj teeb yam ntxwv
• Kev tswj qhov kub thiab txias
• Kev tua hluav taws
• Thaum ntxov-theem kev pheej hmoo mitigation

Rau cov chaw uas muaj cov chaw them nyiaj EV, cov khoom siv hluav taws xob zoo li no tuaj yeem txiav txim siab raws li qhov xav tau tiag tiag.

Kev txiav txim siab ntxiv

Hauv kev xyaum, lithium-ion roj teeb tshwj xeeb tua hluav taws feem ntau poob rau hauv ob pawg tseem ceeb: dej-raws li (nrog cov khoom siv tshwj xeeb) thiab perfluorohexanone-based. Cov hom dej ua ke ua ke ua kom txias, npog, thiab nkag mus ua haujlwm, ua rau lawv muaj txiaj ntsig zoo rau kev tswj qhov kub thiab txias thiab txo qhov kev pheej hmoo rov tshwm sim. Perfluorohexanone-based extinguishers muaj kev rwb thaiv tsev zoo heev thiab tsis muaj qhov seem, ua rau lawv tsim nyog rau kev tiv thaiv cov khoom siv hluav taws xob.

Los ntawm kev tswj xyuas, Tuam Tshoj tus txheej txheem hauv tebchaws GB 50140 ("Code for Design of Building Fire Extinguisher Configuration") thiab GB/T 51313-2018 ("Technical Standard for Electric Vehicle Dispersed Charging Facilities") xav kom cov chaw them nyiaj hauv nruab nrab ntawm cov chaw siv hluav taws xob tau nruab nrog 10 cov khoom siv hluav taws xob qhuav. extinguishers yog hom kev pom zoo. Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov tshuaj tua hluav taws qhuav tuaj yeem tsuas yog tua cov nplaim taws thiab tej zaum yuav tsis ua kom cov roj teeb ua kom txias, uas tuaj yeem ua rau rov ua hluav taws xob. Vim li no, ntau cov kev cai hauv zos thiab kev lag luam zoo tshaj plaws tam sim no pom zoo kom ntxiv nrog cov tshuab tua hluav taws loj dua: piv txwv li, cov chaw nres tsheb hauv av nrog EV cov chaw them nyiaj raug qhia kom ntxiv trolley-mounted water-based extinguishers nrog tsawg kawg yog 60 L ntawm tus neeg sawv cev, nrog kev tiv thaiv siab tshaj plaws ntawm 30 m, thaum qee cov qauv hauv zos xav tau tsawg kawg yog ob 45 L ntawm cov dej tua hluav taws.

Hauv cov ntsiab lus, cov txheej txheem txheej tau pom zoo: cov tshuaj qhuav qhuav lossis CO₂ cov tshuaj tua hluav taws tuaj yeem hais txog hluav taws xob hluav taws xob ntawm qhov chaw them nws tus kheej, thaum lub lithium-ion roj teeb tshwj xeeb tua hluav taws -txawm yog dej-raws li lossis perfluorohexanone- yuav tsum tau xa mus rau cov roj teeb ntsig txog hluav taws. Rau cov chaw loj dua lossis cov uas muaj kev pheej hmoo siab dua, cov trolley-mounted units nrog tus neeg sawv cev muaj peev xwm ntau dua tau qhia.

Puas yog cov tshuaj tua hluav taws zoo tib yam tsim nyog rau cov chaw them nyiaj EV?

Qhov no yog ib qho kev txhawj xeeb rau ntau tus thawj tswj chaw them nqi. Cov tsoos ABC qhuav tshuaj tua hluav taws yog siv rau ntau qhov xwm txheej thiab tuaj yeem tswj tau qee hom hluav taws kub. Txawm li cas los xij, EV hluav taws kub txawv ntawm cov khoom siv hluav taws xob zoo tib yam. Cov laj thawj tseem ceeb suav nrog:

• Kev ua kom txias tsis txaus -ABC qhuav tshuaj tua hluav taws tua nplaim taws tab sis tsis tuaj yeem nkag mus rau hauv lub roj teeb casing kom txias cov hlwb sab hauv. Txij li thaum lithium-ion roj teeb hluav taws xob yog qhov cua sov ntawm tus kheej, tsis muaj kev ua kom txias zoo, cov tshuaj tiv thaiv sab hauv txuas ntxiv thiab kav feem ntau tshwm sim hauv feeb.

• Tsis muaj peev xwm tiv thaiv thermal runaway propagation -Cov tshuaj tua hluav taws no tsis cuam tshuam cov tshuaj tiv thaiv kab mob hauv lub pob roj teeb. Thaum ib lub cell nkag mus rau hauv thermal runaway, cov cua sov tso tawm kis mus rau cov cell uas nyob ib sab. Cov tshuaj qhuav qhuav tsuas yog kho qhov pom hluav taws, tsis yog lub hauv paus, yog li lawv tsis tuaj yeem tiv thaiv hluav taws los ntawm kev nce mus rau tag nrho cov kev koom tes.

• Kev txwv tsis pub muaj tshuaj lom thiab cov pa phem -Thaum lub roj teeb hluav taws kub, ntau cov pa phem (CO, H₂, hydrocarbons) raug tso tawm. Cov hmoov qhuav tsis nqus los yog dilute cov roj no, ua rau tawg thiab ua rau muaj kev phom sij txaus ntshai, thiab cov hmoov huab nws tus kheej tuaj yeem txo qhov pom thiab cuam tshuam nrog cov khoom siv them nqi.

Yuav ua li cas xaiv lub tshuab tua hluav taws zoo rau EV charging chaw nres tsheb?

Kev xaiv yuav tsum yog raws li qhov xwm txheej them nyiaj, vim tias cov chaw sib txawv muaj qhov xav tau kev tiv thaiv hluav taws sib txawv:

Cov chaw them nyiaj me me (piv txwv li, tsev nres tsheb, chaw nres tsheb ntiag tug)

Ob peb lub tsheb thiab qhov chaw txwv - cov khoom siv hluav taws xob uas siv tau dej (Ntau dua lossis sib npaug li 9 L) lossis perfluorohexanone tua hluav taws raug pom zoo rau cov roj teeb thaum ntxov thiab hluav taws xob hluav taws xob, nrog kev saib xyuas tsis tu ncua.

Chaw nres tsheb ua lag luam (xws li, chaw nres tsheb hauv av hauv khw, tsev ua haujlwm)

Kev hloov tsheb siab thiab ntau lub ntsiab lus them nqi - cov tsheb thauj khoom loj-mounted dej-raws li kev tua hluav taws (45 L lossis 60 L) raug qhia, nrog rau cov tshuaj tua hluav taws qhuav rau kev them cov hluav taws kub. Cov pa luam yeeb / cua sov kom paub cov tshuab kuj tau txais txiaj ntsig.

Cov chaw them nqi rau pej xeem (xws li, chaw nres tsheb ceev ceev, cov chaw pabcuam kev loj)

Cov tsheb khiav ceev thiab lub zog them nyiaj siab ua rau muaj kev pheej hmoo - kev teeb tsa yuav tsum ua raws li GB 50140 thiab GB / T 51313 tus qauv, nrog kev sib xyaw ua ke ntawm cov dej thiab cov tshuaj tua hluav taws qhuav, ntxiv rau cov xuab zeb hluav taws, cov pam hluav taws, thiab cov neeg ua haujlwm ua haujlwm.

Cov tsheb loj loj tshiab lub zog loj (piv txwv li, chaw nres tsheb npav, chaw nres tsheb logistics)

Cov tsheb loj thiab cov roj teeb uas muaj peev xwm loj ua rau muaj kev phom sij loj heev - cov tsheb thauj khoom loj uas muaj cov dej tua hluav taws (Ntau dua lossis sib npaug li 60 L), cov tshuab hluav taws xob tua hluav taws, thiab cov tshuab hluav taws xob ruaj khov (xws li dej pos huab) yog qhov tsim nyog, nrog rau kev tswj xyuas hluav taws kub thiab kev khiav tawm thaum muaj xwm txheej ceev.

Zuag qhia tag nrho, xav txog tus naj npawb ntawm cov tsheb, qhov loj me, kev tswj cov neeg ua haujlwm, thiab cov dej / fais fab mov kom ua tiav cov txheej txheem kev tiv thaiv hluav taws kub.

Cov lus pom zoo rau Kev Siv Hluav Taws Xob Hluav Taws Xob ntawm EV Charging Stations

Raws li qhov sib txawv ntawm daim ntawv thov scenarios, cov hauv qab no yuav raug txiav txim siab:

Nws yuav tsum raug sau tseg tias qhov kev teeb tsa tshwj xeeb yuav tsum tau soj ntsuam nrog rau kev tiv thaiv hluav taws hauv zos, cov xwm txheej ntawm qhov chaw, thiab cov yam ntxwv tshwj xeeb.

Xaus

Tsis muaj ib qho loj-haum-tag nrho cov lus teb rau cov lus nug ntawm cov hluav taws tua hluav taws yuav tsum tau nruab ntawm EV charging chaw nres tsheb. Qhov chaw them nyiaj sib txawv, hom roj teeb, cov tsheb, thiab kev tiv thaiv hluav taws txhua qhov cuam tshuam rau kev xaiv zaum kawg. Rau cov chaw uas muaj kev them nqi tsheb tshiab, kev nkag siab txog cov yam ntxwv ntawm lithium-ion roj teeb hluav taws xob thiab xaiv cov khoom siv hluav taws xob tsim nyog yog qhov tseem ceeb rau kev txhim kho kev tswj hwm kev nyab xeeb.

Shangdijia tsom mus rau R & D thiab tsim cov khoom siv tiv thaiv hluav taws, muab kev tua hluav taws kev daws teeb meem rau lub zog tshiab, kev siv roj teeb lithium-ion, thiab cov xwm txheej ntawm kev lag luam. Rau EV charging chaw nres tsheb, chaw them pawg, thiab lwm yam kev xav tau ntawm daim ntawv thov, peb tuaj yeem muab cov lus pom zoo rau cov khoom raws li qhov tseeb ntawm qhov chaw.

Txais tos hu rau SAFETY PLUSkom paub txog cov kev tiv thaiv hluav taws xob tsim nyog rau EV chaw nres tsheb, thiab muab kev tiv thaiv kev nyab xeeb ntau dua rau koj cov chaw them nyiaj.