Marine optical fiber cables yog tsim tshwj xeeb rau cov dej hiav txwv ib puag ncig, muab cov ntaub ntawv ruaj khov thiab txhim khu kev qha. Lawv tsis tsuas yog siv rau kev sib txuas lus hauv nkoj tab sis kuj tau siv dav hauv kev sib txuas lus transoceanic thiab cov ntaub ntawv xa mus rau offshore roj thiab roj platforms, ua lub luag haujlwm tseem ceeb hauv kev sib txuas lus hauv hiav txwv niaj hnub. Txhawm rau kom muaj kev ruaj ntseg ntawm kev ua haujlwm sab nrauv, marine optical fiber cables yog tsim los ua kom tsis muaj dej, siab-resistant, corrosion-resistant, mechanically robust, thiab saj zawg zog heev.
Feem ntau, cov qauv ntawm marine optical fiber cables muaj tsawg kawg yog ib chav tsev fiber ntau, sheath, armor txheej, thiab lub tsho sab nrauv. Rau cov qauv tsim tshwj xeeb lossis cov ntawv thov, cov khoom siv fiber ntau hauv hiav txwv tuaj yeem tshem tawm cov txheej txheem armor thiab siv cov ntaub ntawv hnav-tiv taus ntau dua lossis cov tsho tshwj xeeb sab nraud. Tsis tas li ntawd, kom hloov mus rau qhov chaw sib txawv, cov khoom siv fiber ntau hauv hiav txwv kuj tseem muaj cov txheej txheem hluav taws kub, cov tswv cuab hauv nruab nrab / txhawb zog, thiab cov khoom thaiv dej ntxiv.
(1) Optical Fiber Unit
Lub tsev fiber ntau yog lub hauv paus tseem ceeb ntawm cov khoom siv kho qhov muag fiber ntau, uas muaj ib lossis ntau qhov kho qhov muag.
Optical fibers yog cov tseem ceeb ntawm cov cable, feem ntau muaj cov tub ntxhais, cladding, thiab txheej, nrog ib tug concentric ncig qauv. Cov tub ntxhais, ua los ntawm high-purity silica, yog lub luag hauj lwm rau kev xa cov teeb liab optical. Lub cladding, kuj ua los ntawm high-purity silica, nyob ib ncig ntawm lub hauv paus, muab ib tug reflective nto thiab kho qhov muag cais, raws li zoo raws li mechanical tiv thaiv. Cov txheej, txheej txheej sab nraud ntawm cov fiber ntau, yog ua los ntawm cov ntaub ntawv xws li acrylate, silicone roj hmab, thiab nylon, tiv thaiv cov fiber ntau los ntawm ya raws thiab kev puas tsuaj.
Optical fibers feem ntau muab faib ua ib hom fibers (piv txwv li, G.655, G652D) thiab ntau hom fibers (piv txwv li, OM1-OM4), nrog rau cov yam ntxwv sib txawv. Cov khoom tseem ceeb kis tau tus mob muaj xws li qhov siab tshaj plaws attenuation, qhov tsawg kawg nkaus bandwidth, zoo refractive index, tus lej aperture, thiab qhov siab tshaj plaws dispersion coefficient, uas txiav txim siab qhov ua tau zoo thiab qhov deb ntawm cov teeb liab kis tau tus mob.
Cov fibers yog nyob ib puag ncig los ntawm xoob los yog nruj nreem cov raj kom txo tau kev cuam tshuam ntawm fibers thiab lwm yam kev cuam tshuam ib puag ncig. Kev tsim ntawm chav tsev fiber ntau ua kom cov ntaub ntawv sib kis tau zoo, ua rau nws yog qhov tseem ceeb tshaj plaws thiab qhov tseem ceeb ntawm marine optical fiber cables.
(2) Sheath
Fiber sheath yog ib qho tseem ceeb ntawm cov cable, tiv thaiv cov fibers optical. Raws li cov qauv, nws tuaj yeem muab faib ua cov raj tsis nruj thiab xoob xoob xoob.
Tight buffer tubes feem ntau yog ua los ntawm cov ntaub ntawv xws li polypropylene resin (PP), polyvinyl chloride (PVC), thiab halogen-dawb nplaim-retardant polyethylene (HFFR PE). Tight buffer tubes adhere ze rau ntawm fiber ntau nto, tsis muaj qhov sib txawv tseem ceeb, uas txo cov fiber ntau zog. Qhov kev tiv thaiv nruj no muab kev tiv thaiv ncaj qha rau cov fibers, tiv thaiv kev ya raws ingress thiab muab cov neeg kho tshuab siab zog thiab tiv thaiv kev cuam tshuam sab nraud.
Loose buffer raj feem ntau yog ua los ntawm high-modulusPBTyas, ntim nrog dej-thaiv gel los muab cushioning thiab tiv thaiv. Loose buffer tubes muab kev yooj yim heev thiab lateral siab tsis kam. Cov dej thaiv cov gel tso cai rau cov fibers txav mus rau hauv lub raj, ua kom yooj yim tshem tawm cov fiber ntau thiab kho. Nws kuj tseem muab kev tiv thaiv ntxiv tiv thaiv kev puas tsuaj thiab noo noo ingress, ua kom muaj kev ruaj ntseg thiab kev nyab xeeb ntawm cov kab hauv av ntub lossis hauv qab dej.
(3) Armor Txheej
Cov txheej armor yog nyob rau hauv lub tsho sab nrauv thiab muab kev tiv thaiv cov neeg kho tshuab ntxiv, tiv thaiv lub cev puas tsuaj rau marine optical fiber cable. Cov txheej armor feem ntau yog ua los ntawm galvanized steel hlau braid (GSWB). Cov qauv braided npog lub cable nrog galvanized steel hlau, feem ntau nrog kev pab them nqi ntawm tsis pub tsawg tshaj 80%. Cov qauv armor muaj kev tiv thaiv zoo heev thiab tensile lub zog, thaum lub braided tsim kom yooj thiab ib tug me me dabtsi yog khoov vojvoog (lub dynamic cia bending vojvoog rau marine optical fiber cables yog 20D). Qhov no ua rau nws haum rau cov ntawv thov uas nquag txav los yog khoov. Tsis tas li ntawd, cov khoom siv galvanized steel muab kev tiv thaiv corrosion ntxiv, ua rau nws zoo tagnrho rau kev siv hauv qhov chaw ntub dej lossis ntsev tsuag.
(4) Outer Jacket
Lub tsho sab nrauv yog cov txheej txheem tiv thaiv ncaj qha ntawm marine optical fiber cables, tsim los tiv thaiv tshav ntuj, nag, dej hiav txwv yaig, kev puas tsuaj rau lub cev, thiab UV hluav taws xob. Lub tsho sab nrauv feem ntau yog ua los ntawm cov khoom siv tiv thaiv ib puag ncig xws li polyvinyl chloride (PVC) thiab cov pa luam yeeb qis qis-halogen (LSZH) polyolefin, muab zoo heev UV tsis kam, huab cua tsis kam, tshuaj tiv thaiv, thiab nplaim taws retardancy. Qhov no ua kom lub cable nyob ruaj khov thiab txhim khu kev qha nyob rau hauv hnyav marine tej yam kev mob. Rau kev nyab xeeb vim li cas, feem ntau marine optical fiber cables tam sim no siv LSZH cov ntaub ntawv, xws li LSZH-SHF1, LSZH-SHF2, thiab LSZH-SHF2 MUD. LSZH cov ntaub ntawv tsim cov pa luam yeeb tsawg heev thiab tsis muaj halogens (fluorine, chlorine, bromine, thiab lwm yam), zam kev tso tawm cov pa phem thaum lub sij hawm combustion. Ntawm cov no, LSZH-SHF1 feem ntau siv.
(5) Hluav taws kub-Resistant Txheej
Hauv cov cheeb tsam tseem ceeb, kom ntseeg tau qhov txuas ntxiv thiab kev ntseeg siab ntawm kev sib txuas lus (xws li, rau lub tswb hluav taws, teeb pom kev zoo, thiab kev sib txuas lus thaum muaj xwm txheej ceev), qee qhov marine optical fiber cables suav nrog cov txheej txheem hluav taws kub. Loose buffer tube cables feem ntau xav tau qhov sib ntxiv ntawm mica daim kab xev los txhim kho hluav taws kub. Cov kab hluav taws xob tiv thaiv hluav taws tuaj yeem tswj xyuas kev sib txuas lus rau qee lub sijhawm thaum hluav taws kub, uas yog qhov tseem ceeb rau kev nyab xeeb ntawm nkoj.
(6) Txhawb cov tswv cuab
Txhawm rau txhim kho cov neeg kho tshuab lub zog ntawm marine optical fiber cables, lub hauv paus txhawb zog cov tswv cuab xws li phosphated steel xov hlau lossis fiber ntau cov yas (FRP) ntxiv. Cov no ua rau cov cable muaj zog thiab tensile tsis kam, ua kom muaj kev ruaj ntseg thaum siv thiab siv. Tsis tas li ntawd, cov koom haum pab txhawb nqa xws li aramid yarn tuaj yeem muab ntxiv los txhim kho cov kab hluav taws xob lub zog thiab tshuaj tiv thaiv corrosion.
(7) Kev txhim kho cov qauv
Nrog kev txhim kho thev naus laus zis, cov qauv thiab cov ntaub ntawv ntawm marine optical fiber cables txuas ntxiv mus. Piv txwv li, tag nrho cov qhuav xoob tube cables tshem tawm cov tsoos dej-thaiv cov gel thiab siv cov khoom siv dej qhuav hauv ob qho tib si xoob thiab cov tub ntxhais cable, muab cov txiaj ntsig ib puag ncig, sib dua, thiab cov khoom tsis muaj gel. Lwm qhov piv txwv yog kev siv cov thermoplastic polyurethane elastomer (TPU) raws li cov khoom siv lub tsho sab nrauv, uas muab qhov dav ntawm qhov kub thiab txias, roj tsis kam, acid tsis kam, alkali tsis kam, sib dua qhov hnyav, thiab qhov chaw me me. Cov kev tsim kho tshiab no qhia txog kev txhim kho txuas ntxiv hauv marine optical fiber cable tsim.
(8) Cov ntsiab lus
Cov qauv tsim ntawm marine optical fiber cables coj mus rau hauv tus account qhov tshwj xeeb yuav tsum tau ntawm dej hiav txwv ib puag ncig, xws li waterproofing, siab tsis kam, corrosion kuj, thiab mechanical zog. Kev ua haujlwm siab thiab kev ntseeg siab ntawm marine optical fiber cables ua rau lawv yog ib qho tseem ceeb ntawm kev sib txuas lus hauv hiav txwv niaj hnub. Raws li cov thev naus laus zis hauv hiav txwv nce siab, cov qauv thiab cov khoom siv ntawm marine optical fiber cables txuas ntxiv txhim kho kom tau raws li qhov xav tau ntawm kev tshawb nrhiav dej hiav txwv tob thiab xav tau kev sib txuas lus nyuaj dua.
Txog Ib Lub Ntiaj Teb (OW Cable)
IB LUB NTIAJ TEB (OW Cable) yog lub ntiaj teb ua lag luam cov khoom lag luam zoo rau kev lag luam hlau thiab cable. Peb cov khoom lag luam suav nrog cov khoom siv hluav taws xob siv hluav taws xob (FRP), cov khoom siv hluav taws xob tsawg-halogen (LSZH), halogen-dawb nplaim hluav taws-retardant polyethylene (HFFR PE), thiab lwm yam khoom siv siab heev tsim los ua kom tau raws li cov kev cai nruj ntawm cov ntawv thov niaj hnub no. Nrog rau kev cog lus rau kev tsim kho tshiab, kev ua tau zoo, thiab kev ruaj khov, IB LUB NTIAJ TEB (OW Cable) tau dhau los ua tus khub ntseeg siab rau cov tuam txhab cable thoob ntiaj teb. Seb rau marine optical fiber cables, fais fab cables, kev sib txuas lus cables, los yog lwm yam kev siv tshwj xeeb, peb muab raw cov ntaub ntawv thiab kev txawj ntse uas yuav tsum tau los xyuas kom meej superior kev kawm thiab kev ntseeg tau.
Post lub sij hawm: Mar-14-2025