Cov xov hluav taws xob sab hauv tsev feem ntau siv rau hauv cov kab ke cabling. Vim muaj ntau yam xws li ib puag ncig ntawm lub tsev thiab cov xwm txheej teeb tsa, kev tsim cov xov hluav taws xob sab hauv tsev tau dhau los ua qhov nyuaj dua. Cov ntaub ntawv siv rau cov fibers thiab cov xov hluav taws xob muaj ntau yam, nrog rau cov khoom siv kho tshuab thiab kho qhov muag tau hais txog txawv. Cov xov hluav taws xob sab hauv tsev feem ntau suav nrog cov xov hluav taws xob ib leeg, cov xov hluav taws xob tsis sib txuas, thiab cov xov hluav taws xob sib txuas. Niaj hnub no, IB LUB NTIJ TEB yuav tsom mus rau ib qho ntawm cov hom xov hluav taws xob sib txuas feem ntau: GJFJV.
GJFJV Sab Hauv Tsev Optical Cable
1. Cov Qauv Tsim
Tus qauv txheem kev lag luam rau cov cables optical sab hauv tsev yog GJFJV.
GJ — Kev sib txuas lus sab hauv tsev optical cable
F — Cov khoom siv txhawb zog uas tsis yog hlau
J — Cov qauv fiber ntau optical uas nruj nreem
V - Polyvinyl chloride (PVC) lub hnab
Lus Cim: Rau kev muab lub npe rau cov ntaub thaiv, "H" sawv cev rau lub thaiv uas tsis muaj pa luam yeeb halogen tsawg, thiab "U" sawv cev rau lub thaiv polyurethane.
2. Daim duab qhia txog Kab Hlau Optical Cable sab hauv tsev
Cov Khoom Siv thiab Cov Nta ntawm Cov Khoom Siv
1. Txheej Optical Fiber (Muaj cov fiber ntau thiab txheej txheej sab nraud)
Cov fiber ntau optical yog ua los ntawm cov khoom siv silica, thiab lub cladding txheem txoj kab uas hla yog 125 μm. Lub txoj kab uas hla ntawm lub tub ntxhais rau ib hom (B1.3) yog 8.6-9.5 μm, thiab rau ntau hom (OM1 A1b) yog 62.5 μm. Lub txoj kab uas hla ntawm lub tub ntxhais rau ntau hom OM2 (A1a.1), OM3 (A1a.2), OM4 (A1a.3), thiab OM5 (A1a.4) yog 50 μm.
Thaum lub sijhawm kos duab ntawm cov iav fiber ntau, ib txheej txheej elastic yog siv los ntawm kev siv lub teeb ultraviolet kom tiv thaiv kev ua qias tuaj ntawm hmoov av. Cov txheej no yog ua los ntawm cov ntaub ntawv xws li acrylate, silicone roj hmab, thiab nylon.
Lub luag haujlwm ntawm cov txheej yog los tiv thaiv qhov chaw ntawm cov fiber ntau los ntawm cov dej noo, roj, thiab kev puas tsuaj, thiab txhim kho qhov kev ua tau zoo ntawm cov fiber, yog li txo cov kev poob ntxiv.
Cov txheej txheej no tuaj yeem muaj xim thaum lub sijhawm siv, thiab cov xim yuav tsum ua raws li GB/T 6995.2 (Xiav, Txiv Kab Ntxwv, Ntsuab, Xim Av, Grey, Dawb, Liab, Dub, Daj, Ntshav, Liab Dawb, lossis Xiav Ntsuab). Nws kuj tseem tuaj yeem tsis muaj xim zoo li ntuj.
2. Txheej Txheem Tsis Tight
Cov Khoom Siv: Tus phooj ywg ib puag ncig, hluav taws-retardant polyvinyl chloride (PVC),polyolefin uas tsis muaj pa luam yeeb tsawg (LSZH), OFNR-rated flame-retardant cable, OFNP-rated flame-retardant cable.
Kev Ua Haujlwm: Nws tiv thaiv cov fibers optical ntxiv, kom ntseeg tau tias lawv hloov tau raws li ntau yam kev teeb tsa. Nws muaj kev tiv taus kev nruj, kev nias, thiab kev khoov, thiab tseem tiv taus dej thiab noo noo.
Siv: Cov txheej txheem buffer nruj tuaj yeem muaj xim sib txawv rau kev txheeb xyuas, nrog rau cov xim sib txawv raws li GB / T 6995.2 tus qauv. Rau kev txheeb xyuas tsis yog tus qauv, cov nplhaib xim lossis cov dots yuav siv tau.
3. Cov Cheebtsam Txhawb Nqa
Khoom siv:Cov xov paj Aramid, tshwj xeeb yog poly (p-phenylene terephthalamide), ib hom tshiab ntawm cov khoom siv hluav taws xob siab. Nws muaj cov khoom zoo heev xws li lub zog siab heev, modulus siab, tiv taus kub siab, tiv taus kua qaub thiab alkali, lub teeb yuag, rwb thaiv tsev, tiv taus kev laus, thiab lub neej ntev. Thaum kub siab dua, nws tswj tau qhov ruaj khov, nrog rau qhov nrawm qis heev, qhov nkag tsawg kawg nkaus, thiab qhov kub hloov iav siab. Nws kuj muaj kev tiv taus corrosion siab thiab tsis conductivity, ua rau nws yog cov khoom siv txhawb nqa zoo tshaj plaws rau cov xov hlau kho qhov muag.
Kev Ua Haujlwm: Cov xov Aramid yog sib npaug zos ncig lossis muab tso rau hauv lub hnab cable kom muab kev txhawb nqa, txhim kho lub cable lub zog tensile thiab siab, lub zog kho tshuab, thermal stability, thiab tshuaj stability.
Cov yam ntxwv no ua kom ntseeg tau tias txoj hlua xa tau zoo thiab lub neej ua haujlwm ntev. Aramid kuj tseem siv dav hauv kev tsim cov tsho tiv thaiv mos txwv thiab cov kaus mom vim nws lub zog tensile zoo heev.
4. Sab Nraud Sheath
Cov Khoom Siv: Cov polyolefin uas tsis muaj pa luam yeeb tsawg (LSZH), polyvinyl chloride (PVC), lossis OFNR/OFNP-rated flame-retardant cables. Lwm cov ntaub ntawv sheath siv tau raws li cov neeg siv khoom xav tau. Polyolefin uas tsis muaj pa luam yeeb tsawg yuav tsum ua tau raws li cov qauv YD/T1113; polyvinyl chloride yuav tsum ua raws li GB/T8815-2008 rau cov ntaub ntawv PVC mos; thermoplastic polyurethane yuav tsum ua tau raws li cov qauv YD/T3431-2018 rau thermoplastic polyurethane elastomers.
Kev Ua Haujlwm: Lub plhaub sab nraud muab kev tiv thaiv ntxiv rau cov fibers optical, kom ntseeg tau tias lawv tuaj yeem hloov kho rau ntau qhov chaw teeb tsa. Nws kuj tseem muab kev tiv thaiv rau kev nruj, kev nias, thiab kev khoov, thaum muab kev tiv thaiv dej thiab dej noo. Rau cov xwm txheej kev nyab xeeb hluav taws kub siab, cov khoom siv uas tsis muaj pa luam yeeb tsawg halogen yog siv los txhim kho kev nyab xeeb cable, tiv thaiv cov neeg ua haujlwm ntawm cov pa phem, pa luam yeeb, thiab nplaim taws thaum muaj hluav taws kub.
Siv: Xim ntawm lub plhaub yuav tsum ua raws li GB/T 6995.2 tus qauv. Yog tias cov fiber ntau optical yog B1.3-hom, lub plhaub yuav tsum daj; rau B6-hom, lub plhaub yuav tsum daj lossis ntsuab; rau AIa.1-hom, nws yuav tsum yog txiv kab ntxwv; AIb-hom yuav tsum yog grey; A1a.2-hom yuav tsum yog cyan ntsuab; thiab A1a.3-hom yuav tsum yog xim ntshav.
Cov Xwm Txheej ntawm Daim Ntawv Thov
1. Feem ntau siv rau hauv cov kab ke sib txuas lus sab hauv tsev, xws li chaw ua haujlwm, tsev kho mob, tsev kawm ntawv, tsev nyiaj txiag, khw loj, chaw khaws ntaub ntawv, thiab lwm yam. Nws feem ntau yog siv rau kev sib txuas ntawm cov khoom siv hauv chav server thiab kev sib txuas lus nrog cov neeg ua haujlwm sab nraud. Tsis tas li ntawd, cov xov hluav taws xob sab hauv tsev tuaj yeem siv rau hauv kev sib txuas lus hauv tsev, xws li LANs thiab cov kab ke hauv tsev ntse.
2. Kev Siv: Cov xov hluav taws xob sab hauv tsev yog me me, tsis hnyav, txuag qhov chaw, thiab yooj yim rau kev teeb tsa thiab tswj. Cov neeg siv tuaj yeem xaiv ntau hom xov hluav taws xob sab hauv tsev raws li qhov xav tau ntawm thaj chaw tshwj xeeb.
Hauv cov tsev lossis chaw ua haujlwm ib txwm muaj, cov xov hlau PVC sab hauv tsev tuaj yeem siv tau.
Raws li tus qauv hauv tebchaws GB / T 51348-2019:
①. Cov tsev pej xeem uas siab txog 100m lossis ntau dua;
2. Cov tsev pej xeem uas muaj qhov siab ntawm 50m thiab 100m thiab thaj tsam tshaj 100,000㎡;
3. Cov chaw khaws ntaub ntawv qib B lossis siab dua;
Cov no yuav tsum siv cov xov hluav taws xob uas tsis ua rau hluav taws kub nrog qib hluav taws tsis qis dua qib B1 uas tsis muaj pa luam yeeb tsawg, tsis muaj halogen.
Hauv tus qauv UL1651 hauv Tebchaws Meskas, hom cable uas tiv taus hluav taws kub tshaj plaws yog OFNP-rated optical cable, uas tsim los tua nws tus kheej hauv 5 meters thaum raug hluav taws. Tsis tas li ntawd, nws tsis tso pa lom lossis pa dej tawm, ua rau nws tsim nyog rau kev teeb tsa hauv cov kav dej cua lossis cov tshuab cua rov qab siv hauv cov khoom siv HVAC.
Lub sijhawm tshaj tawm: Lub Ob Hlis-20-2025