Niaj hnub no, cia kuv piav qhia txog cov ncauj lus kom ntxaws ntawm marine Ethernet cables. Cias muab, cov qauv Ethernet cables muaj cov neeg xyuas pib, txheej txheej rwb thaiv tsev, txheej thaiv, thiab txheej txheej sab nraud, thaum cov hlua armored ntxiv ib lub tsho sab hauv thiab cov tsho tiv thaiv ntawm lub tsho tiv thaiv thiab sab nrauv. Kom meej meej, armored cables muab tsis tau tsuas yog ntxiv mechanical tiv thaiv tab sis kuj muaj kev tiv thaiv ntxiv hauv sheath. Tam sim no, cia peb tshuaj xyuas txhua yam hauv kev nthuav dav.
1. Tus neeg xyuas pib: Lub hauv paus ntawm cov teeb liab kis tau tus mob
Ethernet cable conductors tuaj nyob rau hauv ntau yam ntaub ntawv xws li tinned tooj liab, liab qab tooj liab, txhuas hlau, tooj liab-clad txhuas, thiab tooj liab-clad hlau. Raws li IEC 61156-5: 2020, marine Ethernet cables yuav tsum siv cov khoom siv tooj liab uas muaj cov kab uas hla ntawm 0.4mm thiab 0.65mm. Raws li kev xav tau rau kev sib kis ceev dua thiab kev ruaj ntseg nce, cov neeg ua haujlwm tsis zoo xws li txhuas thiab tooj liab-clad aluminium tau raug txiav tawm, nrog cov tinned tooj liab thiab tooj liab liab tam sim no ua lag luam.
Piv rau liab qab tooj liab, tinned tooj liab muaj kev ruaj ntseg tshuaj zoo tshaj plaws, tiv thaiv oxidation, tshuaj corrosion, thiab av noo kom muaj kev ntseeg tau ntawm Circuit Court.
Conductors tuaj nyob rau hauv ob yam: khoom thiab stranded. Cov khoom siv hluav taws xob siv ib lub xov tooj tooj liab, thaum cov khoom sib txuas ua ke muaj ntau cov xov tooj nyias nyias sib tw ua ke. Qhov sib txawv tseem ceeb yog nyob rau hauv kev sib kis tau zoo - txij li cov cheeb tsam loj ntawm cov ntu ntu tuaj yeem txo qis qhov kev tso tawm, cov khoom tso tawm tso tawm pom 20% -50% siab dua attenuation dua cov khoom. Qhov sib txawv ntawm cov strands kuj nce DC tsis kam.
Feem ntau cov Ethernet cables siv 23AWG (0.57mm) lossis 24AWG (0.51mm) conductors. Thaum CAT5E feem ntau siv 24AWG, ntau dua li CAT6/6A/7/7A feem ntau xav tau 23AWG rau kev ua tau zoo dua. Txawm li cas los xij, IEC cov qauv tsis tso cai tshwj xeeb cov ntsuas hluav taws xob - tsim tau zoo 24AWG cables tseem tuaj yeem ua tau raws li CAT6+ specifications.
2. Rwb thaiv tsev txheej: Tiv thaiv cov teeb liab kev ncaj ncees
Cov txheej rwb thaiv tsev tiv thaiv cov teeb liab xau thaum sib kis. Ua raws li IEC 60092-360 thiab GB / T 50311-2016 tus qauv, marine cables feem ntau sivHigh-density polyethylene (HDPE)los yog foamedPolyethylene (PE Ua npuas ncauj). HDPE muaj qhov kub thiab txias tsis kam, txhua yam muaj zog, thiab ib puag ncig kev ntxhov siab tawg, ua rau nws siv dav. Foamed PE muab cov khoom dielectric zoo dua, ua rau nws zoo tagnrho rau kev kub ceev CAT6A + cables.
3. Hla Separator: Txo cov teeb liab Crosstalk
Tus ntoo khaub lig cais (tseem hu ua tus ntoo khaub lig muab tub lim) yog tsim los rau lub cev sib cais plaub qhov sib tw ua ke rau hauv cov plaub fab sib txawv, kom txo tau qhov sib txawv ntawm cov khub. Feem ntau tsim los ntawm cov khoom siv HDPE nrog tus qauv txoj kab uas hla ntawm 0.5mm, cov khoom no yog qhov tseem ceeb rau Qeb 6 thiab qib siab dua cables uas xa cov ntaub ntawv ntawm 1Gbps lossis sai dua, vim tias cov cables no ua kom pom kev zoo dua rau cov suab nrov thiab xav tau kev cuam tshuam kev cuam tshuam. Yog li ntawd, Qeb 6 thiab saum toj no cables tsis muaj ib tug khub ntawv ci shielding universally incorporate tus ntoo khaub lig fillers cais plaub twisted khub.
Hauv qhov sib piv, Qeb 5e cables thiab cov neeg ua hauj lwm cov ntaub thaiv npog cov qauv tsim tawm ntawm tus ntoo khaub lig muab tub lim. Qhov sib tw twisted-pair configuration ntawm Cat5e cables muab kev cuam tshuam txaus tiv thaiv rau lawv cov kev txwv bandwidth ntau dua, tshem tawm qhov xav tau kev sib cais ntxiv. Ib yam li ntawd, cov cables nrog cov ntawv ci-shielded khub siv cov txhuas ntawv ci lub peev xwm los thaiv cov hluav taws xob ntau zaus cuam tshuam, ua rau tus ntoo khaub lig muab tub lim tsis tsim nyog.
Cov tswv cuab lub zog tensile plays lub luag haujlwm tseem ceeb hauv kev tiv thaiv kab elongation uas tuaj yeem cuam tshuam kev ua haujlwm. Kev lag luam-ua cable manufacturers feem ntau siv fiberglass los yog nylon qaum raws li lub tensile qhov cuab lub zog nyob rau hauv lawv cov cable tsim. Cov ntaub ntawv no muab kev tiv thaiv zoo txhua yam thaum tswj cov kab mob sib kis.
4.Shielding Txheej: Electromagnetic tiv thaiv
Cov khaubncaws sab nraud povtseg muaj aluminium ntawv ci thiab / lossis braided mesh los thaiv EMI. Ib leeg-shielded cables siv ib txheej aluminium ntawv nyiaj (≥0.012mm tuab nrog ≥20% sib tshooj) ntxiv rau PET mylar txheej los tiv thaiv tam sim no to. Ob-shielded versions tuaj nyob rau hauv ob hom: SF / UTP (tag nrho cov ntawv ci + braid) thiab S / FTP (ib tug khub ntawv ci + zuag qhia tag nrho braid). Lub tinned tooj liab braid (≥0.5mm hlau txoj kab uas hla) muaj customizable kev pab them nqi (feem ntau 45%, 65%, los yog 80%). Raws li IEC 60092-350, ib leeg-shielded marine cables yuav tsum tau xaim xaim rau hauv av, thaum ob-shielded versions siv lub braid rau static paug.
5. Armor Txheej: Kev Tiv Thaiv Kev Tiv Thaiv
Cov txheej armor txhim kho tensile / crush kuj thiab txhim kho EMI shielding. Marine cables feem ntau siv braided armor raws li ISO 7959-2, nrog galvanized steel hlau (GSWB) muab lub zog siab thiab kub tsis kam rau kev thov, thaum tinned tooj liab hlau (TCWB) muab kev yooj yim dua rau qhov chaw nruj.
6. Outer Sheath: Environmental Shield
Sab nrauv yuav tsum du, concentric, thiab tshem tawm yam tsis muaj kev puas tsuaj rau hauv qab txheej. DNV cov qauv yuav tsum tau tuab (Dt) yuav tsum yog 0.04 × Df (internal txoj kab uas hla) + 0.5 hli, nrog 0.7 hli yam tsawg kawg nkaus. Marine cables feem ntau sivLSZH (tsawg pa luam yeeb zero-halogen)Cov ntaub ntawv (SHF1 / SHF2 / SHF2 MUD qib ib IEC 60092-360) uas txo cov pa phem thaum tua hluav taws.
Xaus
Txhua txheej ntawm marine Ethernet cables embodies ceev faj engineering. Ntawm OW CABLE, peb tau cog lus tias yuav ua rau kev siv tshuab hluav taws xob txuas ntxiv - xav tias dawb los tham txog koj cov kev xav tau tshwj xeeb nrog peb!
Post lub sij hawm: Mar-25-2025