Cov Ntsiab Lus Ua Kom Zoo Rau Cov Ceg Npe Cable Faib Tsim

Branched cable faib cov tshuab tau zoo thev naus laus zis. Nws tuaj yeem hais tau tias ceg cable yog cov khoom lag luam tshwj xeeb rau kev tsim kho tshiab thiab ua kom haum. Nws muaj qhov zoo tshaj plaws thiab siv tau thiab kev lag luam thev naus laus zis. Tab sis hauv kev tsim qauv hauv engineering, peb yuav tsum them sai sai rau kev tiv thaiv ntawm ceg kab. Txij li cov seem ntawm cov ceg kab feem ntau me dua li ntawm txoj kab tseem ceeb, txoj kab kev tiv thaiv tseem ceeb yuav tsis cuam tshuam rau tus ceg kab thaum nws txiav tawm los yog tsis muaj cov kab luv. Tus tiv thaiv yuav tsum teeb tsa hauv lub thawv xa khoom ntawm ceg kab, thiab qhov kev ncua deb ntawm tus tiv thaiv thiab ceg sib koom ua ke yuav tsum tsis pub tshaj 3M. Yog tias nws tshaj 3M, txoj kab txuas ceg yuav tsum tau muab tso rau hauv cov yeeb nkab tsis sib txuas lossis cov nyom sib txuas, thiab thaum ib-theem lossis ob-kauj ruam luv luv tshwm sim hauv ntu no, cov kab kev tiv thaiv tseem ceeb yuav muaj peev xwm txaus rau kev txiav tawm. Mloog zoo yuav tsum them rau qhov no.

Raws li ib yam tshiab ntawm lub tsev faib khoom siv cable qhia los ntawm txawv teb chaws, ceg cable tau siv dav hauv ntau txoj haujlwm hauv tsev, thiab tau txais kev lees paub thiab siv feem ntau ntawm cov neeg tsim qauv. Lub hom phiaj ntawm daim ntawv no yog txhawm rau qhia cov kev sib txuas ntawm cov ceg txuas hluav taws xob nrog cov hluav taws xob uas twb muaj lawm hauv lub tsev, thiab ua kom zoo dua qub kev coj ua raws li cov lus qhia tshwj xeeb. Nws yog cov kev tshaj lij thiab kev faib nyiaj txiag kev lag luam uas tuaj yeem ua tau raws li cov kev qhia tshwj xeeb uas twb muaj lawm.

Nylon sheathed hlau

Hauv Suav teb, PVC insulated bv hom hlua hlau tau siv rau cov hluav taws xob kab hlau txuas sab hauv tsev. Niaj hnub no, nrog txoj kev loj hlob sai ntawm kev tsim kho kev lag luam thiab kev maj nrawm xav tau los txhim kho lub neej ntawm cov neeg nyob hauv nroog thiab cov nyob deb nroog, kev xaiv hluav taws xob thiab kev hloov kho ntawm tsev neeg lub neej tau los sai heev. Tsis yog tsuas yog tus naj npawb ntawm cov khoom siv hauv tsev nce, tab sis kuj muaj peev xwm ntawm ntau yam khoom siv hauv tsev tau nce, uas tso rau cov kev xav tau tshiab rau cov hluav taws xob sab hauv tsev tsim hluav taws xob.

Tau ntev, PVC insulated bv hom hlua hlau tau siv rau hauv tsev hluav taws xob thaiv hluav taws xob hauv Suav teb. Niaj hnub no, nrog txoj kev loj hlob sai ntawm kev tsim kho kev lag luam thiab kev maj nrawm xav tau los txhim kho lub neej ntawm cov neeg nyob hauv nroog thiab cov nyob deb nroog, kev xaiv hluav taws xob thiab kev hloov kho ntawm tsev neeg lub neej tau los sai heev. Tsis yog tsuas yog tus naj npawb ntawm cov khoom siv hauv tsev nce, tab sis kuj muaj peev xwm ntawm ntau yam khoom siv hauv tsev tau nce, uas tso rau cov kev xav tau tshiab rau cov hluav taws xob sab hauv tsev tsim hluav taws xob. Nws tsis tsuas yog xav kom muaj ntau lub voj voog, tab sis kuj tso rau pem hauv ntej siab dua rau qhov zoo ntawm kev ua haujlwm thiab kev nyab xeeb ntawm cov xov hluav taws xob yog kev tiv thaiv kab hluav taws xob hauv kev tiv thaiv hluav taws xob thiab hluav taws xob luv luv. Raws li cov ntaub ntawv tshaj tawm los ntawm lub xeev chav saib xyuas kev nyab xeeb, nyob rau xyoo tsis ntev los no, 30% ntawm cov hluav taws kub tshwm sim, loj thiab me, yog tshwm sim los ntawm hluav taws hluav taws. Qhov no ua rau kev tiv thaiv cov hlau xov tooj luv luv sib tsoo ua qhov teeb meem thawj hauv kev daws teeb meem hauv kev tsim qauv, tsim vaj tsev thiab kho kom zoo nkauj. Raws li kev txheeb xyuas, tsis muaj ntau tshaj li qhov laj thawj ntawm lub luv luv ntawm lub tsev hlau txuas, uas yog, kev laus ntawm cov xov hluav taws xob, khawb ntawm cov rwb thaiv tsev hauv cov yeeb nkab, kev tsim cov teeb meem luv luv ntawm cov hluav taws xob, ua haujlwm dhau kev ua haujlwm ntawm kab, qhov ntsuas kub tshaj qhov teev kev teev cia thiab qhov kub hnyiab ntawm lub rwb thaiv tsev, thiab ntau qhov hluav taws kub hnyiab tau ua rau muaj kev txhawj xeeb loj ntawm tag nrho cov tib neeg. Txij xyoo 2001, hauv kem ntawm" tus neeg sawv cev txhawb nqa txoj haujlwm" ntawm" Koom Haum International Copper (Beijing)", cov kws tshaj lij tau txuas ntxiv cov ncauj lus dav dav thiab tob hauv kev tsim hluav taws xob hluav taws xob.

Nrog rau cov neeg' s zoo mloog rau kev tiv thaiv hluav taws kev sib tsoo, nws tuaj yeem cia siab tias rau cov hlua hluav taws xob sab hauv tsev, cov kws tshaj lij yuav nrhiav ib yam khoom tshiab nrog kev ua tau zoo dua los hloov nws. Qhov no tsis tsuas yog nce qib ntawm tsev neeg siv hluav taws xob hauv nroog thiab hauv nroog nyob deb nroog, tab sis kuj tseem cuam tshuam lub teb chaws' Xyoo 1997, Tuam Tshoj hlau thiab cable kev lag luam thiab Shanghai Cable Tshawb Xyuas Lub Koom Haum qhia txog Asmeskas kev siv tshuab, tshawb nrhiav thiab tsim PVC insulated nylon sheathed hlau thiab cable nrog ntsuas qhov hluav taws xob ntawm 450 / 750V thiab hauv qab. Qee cov lag luam kev lag luam sab hauv tsev yuav txhawb nqa kev siv. Thaum lub Tsib Hlis xyoo 2001, Tuam Tshoj Federation of machinery kev lag luam pom zoo thiab tshaj tawm JB / t20261-2001 PVC insulated nylon sheathed xov hlau thiab cov xaim hluav taws xob nrog qhov ntsuas kub ntawm 450 / 750V thiab hauv qab. Qhov no tuaj yeem hais tias yog peb qib ntawm bvn hom xov hlau hauv Suav teb.

Dab tsi ntawm kev tsim ua hluav taws xob (bn wiring) yuav dhau los ua cov khoom lag luam hloov ntawm BV kev ua haujlwm? Peb tuaj yeem pom los ntawm kev siv w bn thaiv ntawm tsev thiab txawv teb chaws nyob rau ib nrab xyoo dhau los hais tias Tebchaws Asmeskas yog lub tebchaws loj tsim los ntawm kev lag luam, thiab nws cov kev tshawb fawb thiab kev siv tshuab tau thoob ntiaj teb kev coj noj coj ua. Txij li thaum xyoo 1950, cov kab txuas kev tsim kho thoob ntiaj teb tau siv dav hauv txhua qhov chaw hauv vaj tse, thiab nws tseem muaj kev txom nyem. Hauv qee lub tebchaws, xyoo 1970, cov kab hlau siv hom bn tsuas yog siv hauv qee lub dav hlau, tsheb, tsheb fais fab thiab cov tshuab hluav taws xob tswj, uas qhia tau hais tias cov kab hlau ua hom bn muaj qhov tshwj xeeb zoo tshaj cov hom kev ua haujlwm.

Qhov zoo ntawm bvn xaim

Tom qab rov qab ua cov kev ntsuam xyuas thiab kev ua mus sij hawm ntev, cov kws tshaj lij tau suav cov xya qhov zoo hauv qab no ntawm bvn xaim

1. Nws yooj yim rau kev tso los ntawm lub raj. Qhov txoj kab uas hla ntawm cov hlau yog qhov me me, thiab kev sib txhuam coefficient poob qis zuj zus thaum lub xaim hla hauv cov yeeb nkab.

2. Lub peev txheej xov ntawm kis xaim hlau txuas tau nce ntxiv. Txoj kab uas hla ntawm lub hlau yog me, thiab rau tib lub conduit loj, ntau lub xov hlau muaj peev xwm nkag mus los yog lub peev xwm nqa tam sim no loj.

3. Kev ua tau zoo yav tom ntej txo qhov kev puas tsuaj rau kev rwb thaiv tsev thaum cov hlau tso rau hauv cov kav dej. Qhov no yog qhov tseem ceeb heev, uas tuaj yeem txo qis qhov kev sib tsoo luv luv Circuit Court.

4. Kev ua kom zoo ntawm hydrocarbon tsis kam, zoo tshuaj lom neeg ruaj khov, uas yog, zoo heev roj tsis kam, tiv taus cov roj thiab roj kev ua haujlwm tau zoo, ua tau zoo txhim kho kev ntseeg tau thiab kev pab cuam lub neej ntawm kev ua haujlwm (kev laus kev sim qhia tau hais tias kev pab cuam lub neej ntawm BNV hom hlau nyob ntawm tsawg kawg ob zaug ntev li ntev tau raws li cov thawj bv hom hlau, uas yog, 40 xyoo lossis ntau dua).

5. Muaj kev nyab xeeb siab. Kev ntsuas ntsuas pom tias bvn hom hlau muaj qhov zoo thermal stability thiab kub shrinkage kuj. Qhov no yuav pab kom tsis txhob muaj teeb meem luv luv-tshwm sim los ntawm kev ua haujlwm siab dhau ntawm qhov chaw taw tes thiab lub ntsej muag ntawm cov hlau hluav taws xob txhawm rau nthuav tawm tooj liab hlau.

6. Nws muaj qhov muaj peev xwm tiv taus kev txiav txim siab luv luv-tam sim no, thiab luv-Circuit Court tiv taus kub rau 5 vib nas this yog siab tshaj qhov uas tshwj xeeb ntawm hom bv. Qhov no yog vim lub nylon sheath, thiab melting point ntawm nylon yog 2150c.

7. nws muaj tib yam nplaim taws retardant cov cuab yeej li PVC rwb thaiv tsev. Raws li kev ntsuam xyuas ntawm cov kws tshaj lij, cov tshuaj lom lom los tso tawm los ntawm nws cov kev sib txuas yog qhov tsawg tshaj li ntawm PE.

8. Lub chaw tsim khoom' s npe, cov qauv khoom, voltage qib thiab lwm tus cim tau luam tawm ntawm PVC rwb thaiv tsev thiab nylon sheath, thiab cov cim kos tau meej thiab khawb tsis kam.

Kev sib piv ntawm cov khoom qauv ntawm kev ua lag luam hom bnn hom vuam thiab hom loj

Bvn hais txog Suav teb cov tshuab txheem JB / t10260-2001, piv txwv li PVC insulated thiab sheathed hlau thiab cov kab hluav taws xob nrog cov ntsuas hluav taws xob ntawm 450 / 750V thiab hauv qab. Bv hais txog lub teb chaws tus qauv GB 5023, piv txwv li PVC insulated cables nrog ntsuas qhov hluav taws xob ntawm 450 / 750V thiab hauv qab. Ntawm no peb tuaj yeem ua qhov sib piv (saib cov qauv rau cov ntsiab lus, uas yog tshem tawm ntawm no). Cov qauv qhia tau tias cov khoom siv tus nqi ntawm bvn yog me ntsis siab dua li ntawm BV xaim, thiab kev coj ua yog me ntsis ua ke, yog li tus nqi ntawm bvn yog me ntsis siab dua li ntawm BV hlau.

Nws tuaj yeem cia siab tias hom khoom tshiab no yuav txais sai sai los ntawm cov neeg siv. Tam sim no, hauv Beijing, Shanghai thiab lwm lub nroog loj, qee lub tsev loj (xws li Olympic chaw) tau siv cov kev tsim hluav taws xob hom bnn. Nws yog dav siv hauv Tebchaws Europe, Tebchaws Asmeskas, Canada thiab Middle East. Hauv kev ua lag luam txawv teb chaws, qhov zoo li no ntawm bvn xaim nrog cov nylon sheath khoom noj ntau dua 95% ntawm kev ua lag luam. Txawm hais tias Tuam Tshoj nyuam qhuav nyuam qhuav pib, nws tau cog kev lag luam loj heev.