Hauv kev siv hluav taws xob thiab kev lag luam, xaiv txoj cai cable rau ib puag ncig tshwj xeeb yog qhov tseem ceeb los xyuas kom muaj kev nyab xeeb, kev ua neej ntev, thiab kev ntseeg siab ntawm tag nrho cov kab ke. Txiv kab ntxwv ncig cables feem ntau yog siv nyob rau hauv ntau yam lag luam vim lawv siab visibility, durability, thiab yooj. Txawm li cas los xij, ib qho tseem ceeb uas yuav tsum tau xav txog thaum xaiv ib qho cable yog seb nws puas haum rau siv nyob rau hauv qhov kub thiab txias.
Txiv kab ntxwv ncig cables paub txog lawv cov xim txawv, uas yuav pab nrog kev txheeb xyuas sai, tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem tseem ceeb. Lawv tau tsim los rau ntau yam kev siv, suav nrog kev faib hluav taws xob, kev nyab xeeb circuits, cov tshuab xwm txheej ceev, thiab cov tshuab ua haujlwm. Cov cables no tau tsim los ua kom tau raws li cov qauv kev nyab xeeb thiab kev ua haujlwm, xws li SAA daim ntawv pov thawj, Australia cov qauv, thiab AS / NZS 5000.1. Txawm li cas los xij, thaum nws los txog rau qhov chaw kub kub, nws yog ib qho tseem ceeb rau kev ntsuam xyuas seb cov kab hluav taws xob kab hluav taws xob puas muaj peev xwm tuav tau cov cua sov yam tsis muaj kev cuam tshuam kev ua haujlwm lossis kev nyab xeeb.
Nyob rau hauv tsab xov xwm no, peb yuav tshawb xyuas qhov tsim nyog ntawm cov kab kab hluav taws xob sib txuas rau qhov chaw kub kub, xav txog cov khoom siv hauv lawv cov kev tsim kho, cov qauv uas lawv yuav tsum ua raws li, thiab seb lawv piv rau lwm cov cables uas tej zaum yuav tsim nyog rau cov cua sov. tej yam kev mob.
Kev nkag siabTxiv kab ntxwv Circular Cables
Ua ntej hais txog qhov tsim nyog ntawm cov txiv kab ntxwv kab hauv qhov kub thiab txias, nws yog ib qho tseem ceeb kom nkag siab tias lub txiv kab ntxwv kab yog dab tsi thiab nws yog tsim los rau dab tsi.
Ib tug txiv kab ntxwv ncig cable feem ntau muaj ntau yam:
Tus coj: Lub hauv paus ntawm lub cable, feem ntau yog ua los ntawm tooj liab lossis txhuas, nqa cov hluav taws xob tam sim no. Cov conductors feem ntau yog ua los ntawm cov hlua khi rau qhov yooj thiab lub zog.
Rwb thaiv tsev: Nyob ib puag ncig cov conductors, cov ntaub ntawv rwb thaiv tsev tiv thaiv hluav taws xob luv luv thiab xyuas kom cov hluav taws xob ntws mus rau qhov xav tau. Cov ntaub ntawv muaj xws li PVC (polyvinyl chloride), XLPE (cross-linked polyethylene), lossis cov khoom siv roj hmab.
Shielding thiab Armoring: Shielding, ua los ntawm tooj liab hlau los yog txhuas ntawv ci, yog siv los tiv thaiv electromagnetic cuam tshuam (EMI), thaum armoring muaj kev tiv thaiv txhua yam, feem ntau nyob rau hauv daim ntawv ntawm steel hlau los yog lwm yam ntaub ntawv los tiv thaiv lub cev puas tsuaj rau lub cable.
Outer Jacket: Cov txheej txheej sab nrauv ntawm lub cable feem ntau yog ua los ntawm cov ntaub ntawv xws li PVC, TPE, lossis roj hmab, thiab muab kev tiv thaiv ib puag ncig xws li ya raws, tshuaj, thiab UV hluav taws xob. Nyob rau hauv cov ntaub ntawv ntawm ib tug txiv kab ntxwv ncig cable, lub tsho sab nrauv yog xim txiv kab ntxwv rau kev txheeb xyuas lub hom phiaj, tshwj xeeb tshaj yog rau kev ruaj ntseg circuits thiab lub zog hluav taws xob.
Kev ntsuas kub ntawm Orange Circular Cables
Qhov kub tsis kam ntawm lub txiv kab ntxwv kab yog nyob ntawm ntau yam, nrog rau cov khoom siv rwb thaiv tsev siv, lub hom phiaj ntawm cable, thiab cov qauv tshwj xeeb uas tsim los ntawm cable. Feem ntau, cov cables tsim los siv rau hauv kev lag luam thiab kev lag luam kev lag luam yog tsim los tiv thaiv qee qhov kub thiab txias. Cov kev ntsuas kub no tuaj yeem muab faib ua ob pawg:
Ua haujlwm kub: Qhov no yog qhov kub siab tshaj plaws uas lub cable tuaj yeem ua haujlwm thaum lub sijhawm ua haujlwm ib txwm tsis cuam tshuam rau nws cov hluav taws xob ua haujlwm lossis ua rau muaj kev puas tsuaj.
Short-Circuit Temperature: Qhov no yog qhov kub ntawm lub cable tuaj yeem tiv taus lub sijhawm luv luv (thaum muaj lub voj voog luv luv lossis lub zog hluav taws xob) yam tsis muaj kev puas tsuaj mus tas li.
Rau txiv kab ntxwv ncig cables, feem ntau cov ntaub ntawv rwb thaiv tsev muaj xws li:
PVC: Txheem PVC rwb thaiv tsev feem ntau tuaj yeem tiv taus qhov kub txog li 70 degree txog 90 degree rau kev ua haujlwm tas mus li. Cov khoom siv no haum rau ntau daim ntawv thov dav dav tab sis tej zaum yuav tsis zoo tagnrho rau qhov chaw kub kub.
XLPE: Hla-txuas polyethylene (XLPE) yog cov khoom siv rwb thaiv tsev zoo dua uas tuaj yeem tiv taus qhov kub thiab txias. XLPE-insulated cables feem ntau muaj qhov ntsuas kub ntawm 90 degree txog 105 degree, thiab qee cov qauv tuaj yeem tiv taus txog 120 degree. Qhov no ua rau XLPE qhov kev xaiv zoo dua rau cov ntawv thov uas xav tau qhov kub thiab txias dua.
Rwb thaiv tsev: Qee cov ntaub ntawv pov thawj roj hmab tuaj yeem tiv taus qhov kub txog li 90 degree txog 120 degree. Cov no feem ntau siv rau hauv cov cables hloov tau yooj yim tsim rau cov cheeb tsam hnyav uas yuav tsum tau ua kom yooj yim nrog rau kev kub siab dua.
Kev Ua Haujlwm Kub Kub ntawm Txiv Kab Ntxwv Circular Cables
Txhawm rau txiav txim siab seb lub txiv kab ntxwv lub voj voog puas haum rau qhov chaw kub kub, qhov tseem ceeb tshaj plaws yog cov khoom siv rwb thaiv tsev siv. Cables tsim los siv nyob rau hauv high-temperature ib puag ncig yuav tsum tau rwb thaiv tsev uas muaj peev xwm tswj tau nws txoj kev ncaj ncees thiab mus txuas ntxiv ua tau zoo nyob rau hauv siab kub tej yam kev mob.
Cables nrog PVC rwb thaiv tsev: PVC-insulated cables feem ntau tsis zoo tagnrho rau qhov chaw kub siab tshaj 70 degree txog 90 degree. Thaum raug kub siab tshaj lawv cov kev txwv, PVC yuav muag, degrade, los yog yaj, ua rau muaj peev xwm ua tsis tiav. Cov cables no zoo tshaj plaws rau cov cheeb tsam uas muaj qhov kub thiab txias, xws li kev teeb tsa sab hauv tsev lossis hluav taws xob hluav taws xob tsawg.
Cables nrog XLPE rwb thaiv tsev: XLPE tiv taus cua sov dua piv rau PVC. Nrog rau kev khiav hauj lwm kub txog li 90 degree mus rau 105 degree, XLPE-insulated txiv kab ntxwv ncig cables tuaj yeem tswj tau qhov kub thiab txias, ua rau lawv tsim nyog rau kev lag luam ib puag ncig lossis kev teeb tsa uas cov cables raug tshav kub.
Cables nrog roj hmab rwb thaiv tsev: Rubber-insulated cables kuj tseem tsim nyog rau qhov kub thiab txias, tshwj xeeb tshaj yog cov ntsuas kub txog li 90 degree txog 120 degree. Cov cables no feem ntau siv nyob rau hauv ib puag ncig uas hloov tau yooj yim thiab kub-kub kuj yog ob qho tib si yuav tsum tau, xws li hauv cov tshuab hnyav, fais fab nroj tsuag, lossis cov khoom siv sab nraum zoov raug rau cov khoom.
Yog tias ib puag ncig muaj qhov kub thiab txias (siab dua 120 degree), cov kab hluav taws xob tshwj xeeb uas muaj cov rwb thaiv tsev kub, xws li silicone roj hmab, fiberglass, lossis thermoplastic elastomer (TPE), tej zaum yuav xav tau. Cov ntaub ntawv no tuaj yeem tiv taus qhov kub siab tshaj 150 degree thiab tsim nyog rau kev siv hluav taws xob ntau.
Kev txiav txim siab rau Kev Siv Kub Kub
Thaum xaiv ib lub cable rau qhov kub thiab txias ib puag ncig, nws yog ib qho tseem ceeb uas yuav tsum xav txog ntau tshaj li cov khoom siv rwb thaiv tsev. Tag nrho cov kev tsim kho cable thiab kev ua haujlwm yuav tsum raug coj mus rau hauv tus account.
Kev ntsuas hluav taws xob: Qhov ntsuas kub ntawm ib lub cable feem ntau txuas nrog nws qhov ntsuas hluav taws xob. Raws li qhov kub thiab txias, cov khoom siv rwb thaiv tsev ua haujlwm tsawg dua ntawm kev tiv thaiv hluav taws xob, uas tuaj yeem ua rau rwb thaiv tsev tawg lossis tsis ua haujlwm. Xyuas kom meej tias lub txiv kab ntxwv lub voj voog xaiv yog tsim rau qhov voltage ntau yam uas yuav tsum tau muaj rau qhov kub-kub ib puag ncig.
Yooj yim: Nyob rau hauv ib puag ncig kub, cov cables yuav tsum tau hloov pauv kom tau txais kev teeb tsa thiab khaws cia zoo. Stranded conductors feem ntau txhim khu kev yooj yim, ua rau lawv yooj yim rau kev ua hauj lwm nrog piv rau cov tub ntxhais cov tub ntxhais cables, tshwj xeeb tshaj yog nyob rau hauv high-stress, high-temperature installations qhov twg lub cable yuav tsum tau khoov ib ncig ntawm obstacles.
Mechanical Protection: Hauv ntau qhov chaw kub kub, cov kab hluav taws xob yuav raug cuam tshuam rau lub cev kev ntxhov siab los ntawm cov tshuab, cov cuab yeej hnyav, lossis lwm yam kev lag luam. Yog li ntawd, armored txiv kab ntxwv ncig cables (nrog hlau los yog tooj liab hlau armor) tuaj yeem muab kev tiv thaiv cov neeg kho tshuab ntxiv thaum tiv taus kub dua.
Environmental Exposure: Nws yog ib qho tseem ceeb los xav txog lwm yam ib puag ncig xws li ya raws, UV hluav taws xob, thiab tshuaj lom neeg raug. Qee cov kab hluav taws xob kub kub yog tsim los nrog cov tsho sab nrauv zoo dua qub uas muab kev tiv thaiv ntxiv rau ib puag ncig kev puas tsuaj. Txiv kab ntxwv ncig cables nrog cov ntaub ntawv zoo li TPE muab kev yooj yim thiab ua haujlwm rau ob qho tib si kub thiab ib puag ncig kev ntxhov siab, ua rau lawv tsim nyog rau kev nyuaj rau kev lag luam thiab sab nraum zoov ib puag ncig.
Raws li cov qauv thiabDaim ntawv pov thawj rau High-Temperature Cables
Daim ntawv pov thawj SAA, Australia tus qauv, thiab AS/NZS 5000.1 yog cov qauv kev cai tseem ceeb uas muab kev taw qhia txog kev nyab xeeb, kev ua tau zoo, thiab kev tsim hluav taws xob cables hauv Australia thiab New Zealand. Cov qauv no xyuas kom meej tias cov cables ua tau raws li qhov yuav tsum tau ua rau qhov kub thiab txias, kev siv lub zog, thiab kev nyab xeeb tag nrho.
1. SAA Certificate
Daim ntawv pov thawj SAA qhia tias lub cable ua raws li Australian cov qauv kev nyab xeeb. Nws xyuas kom meej tias lub cable muaj kev nyab xeeb rau kev siv nyob rau hauv ib puag ncig tshwj xeeb, suav nrog cov uas muaj qhov kub thiab txias dua, ntev npaum li cov cable tsim los tiv thaiv cov xwm txheej zoo li no.
2. Australia Standard
Australia cov qauv (xws li AS/NZS 5000.1) muab cov kev cai tshwj xeeb rau kev tsim cov cables, suav nrog cov siv nyob rau hauv qhov chaw kub. Cov qauv tsim cov txheej txheem rau cov ntaub ntawv rwb thaiv tsev, qhov ntsuas kub siab tshaj plaws, thiab cov yam ntxwv ntawm kev nyab xeeb, uas cov tuam txhab tsim khoom yuav tsum ua kom tau raws li cov khoom siv hluav taws xob tsim nyog rau cov ntawv thov kub.
3. AS/NZS 5000.1
AS/NZS 5000.1 siv rau cables siv nyob rau hauv hluav taws xob installation, piav qhia txog cov yuav tsum tau rau cables kom muaj kev ruaj ntseg tiv taus kub sib txawv. Tus qauv xyuas kom meej tias cov cables siv nyob rau hauv ob qho tib si hauv tsev thiab kev lag luam daim ntawv thov raug kuaj thiab ntsuas kom ua tau zoo nyob rau hauv qhov sib txawv ntawm qhov kub thiab txias.