Cov yam ntxwv ntawm cov khoom siv hlau thiab cable feem ntau tuaj yeem muab faib ua plaub qhov tseem ceeb: cov khoom siv hluav taws xob, cov txheej txheem rwb thaiv tsev, cov txheej txheem tiv thaiv thiab cov sheaths, nrog rau cov ntsiab lus thiab tensile cov ntsiab lus, thiab lwm yam. busbars (busbars), thiab lwm yam. Lub rwb thaiv tsev hluav taws xob sab nraud ntawm cov khoom no yog ua kom ntseeg tau los ntawm kev siv cov insulators thiab spatial nrug thaum lub sij hawm installation thiab tso (uas yog, los ntawm kev siv cua rwb thaiv tsev).
Feem ntau ntawm cov khoom siv hlau thiab cov khoom siv cable muaj qhov zoo ib yam ntawm cov kab sib txuas (tsis quav ntsej txog kev tsim khoom) thiab nyob rau hauv daim ntawv ntev strips. Qhov no yog txiav txim siab los ntawm cov yam ntxwv uas lawv tau siv los tsim cov circuits lossis coils hauv tshuab lossis khoom siv. Yog li ntawd, thaum kawm thiab tshuaj xyuas cov qauv ntawm cov khoom siv cable, nws tsuas yog yuav tsum tau soj ntsuam thiab txheeb xyuas los ntawm lawv cov ntu ntu.
Hauv qab no yog cov ncauj lus kom ntxaws tsom xam ntawm cov qauv cable muaj pes tsawg leeg thiab cov ntaub ntawv cable:
1. Cable qauv muaj pes tsawg leeg: Tus neeg xyuas pib
Cov hlau yog qhov tseem ceeb tshaj plaws thiab qhov tseem ceeb ntawm cov khoom siv los ua cov haujlwm ntawm kev xa cov ntaub ntawv tam sim no lossis electromagnetic yoj. Hlau yog lub ntsiab lus ntawm conductive core.
Cov ntaub ntawv dab tsi suav nrog hauv cable conductors? Cov ntaub ntawv ntawm cov conductors feem ntau yog ua los ntawm cov hlau tsis muaj hlau nrog cov khoom siv hluav taws xob zoo xws li tooj liab thiab txhuas. Cov kab hluav taws xob kho qhov muag siv hauv kev sib txuas lus kho qhov muag uas tau tsim kho sai hauv peb lub xyoo dhau los lossis yog li siv cov fibers kho qhov muag ua cov khoom siv.
2. Cable qauv muaj pes tsawg leeg: rwb thaiv tsev txheej
Cov txheej txheej insulating yog ib qho khoom siv uas npog lub periphery ntawm cov hlau thiab ua haujlwm ua hluav taws xob insulator. Ntawd yog, nws tuaj yeem ua kom ntseeg tau tias cov xaim hluav taws xob tam sim no lossis electromagnetic tsis, lub teeb tsis tsuas yog taug kev raws cov hlau thiab tsis ntws tawm sab nraud. Lub peev xwm ntawm tus neeg xyuas pib (uas yog, qhov muaj peev xwm sib txawv tsim rau cov khoom nyob ib puag ncig, uas yog, qhov hluav taws xob) tuaj yeem raug cais tawm. Ntawd yog, nws yog ib qho tsim nyog los xyuas kom meej ob qho tib si kev sib kis ntawm cov hlau thiab kev nyab xeeb ntawm cov khoom siv sab nraud thiab tib neeg. Hlau thiab rwb thaiv tsev txheej yog ob yam tseem ceeb uas yuav tsum muaj nyob rau hauv cov khoom siv cable (tshwj tsis yog cov xov hlau liab).
Cov ntaub ntawv rwb thaiv tsev yog dab tsi: Nyob rau niaj hnub no cov xov hlau thiab cables, kev faib cov ntaub ntawv rwb thaiv tsev cable feem ntau poob rau hauv ob pawg: plastics thiab roj hmab. Cov ntaub ntawv Polymer yog qhov tseem ceeb, ua rau muaj ntau yam khoom siv hlau thiab cable tsim nyog rau kev siv sib txawv thiab ib puag ncig. Cov ntaub ntawv rwb thaiv tsev rau cov xov hlau thiab cables suav nrog polyvinyl chloride (PVC),cross-linked polyethylene (XLPE), fluoroplastics, roj hmab tebchaw, ethylene propylene roj hmab tebchaw, thiab silicone roj hmab rwb thaiv tsev cov ntaub ntawv.
3. Cable qauv muaj pes tsawg leeg: Sheath
Thaum cov khoom siv hlau thiab cable raug teeb tsa thiab ua haujlwm hauv ntau qhov chaw sib txawv, yuav tsum muaj cov khoom siv tiv thaiv tag nrho cov khoom, tshwj xeeb tshaj yog cov txheej rwb thaiv tsev. Qhov no yog lub sheath. Vim tias cov ntaub ntawv insulating yuav tsum muaj cov khoom siv hluav taws xob zoo heev ntawm txhua yam, nws yog ib qho tsim nyog yuav tsum tau muaj siab purity thiab tsis tshua muaj impurity cov ntsiab lus ntawm cov ntaub ntawv. Feem ntau, nws tsis tuaj yeem coj mus rau hauv tus account nws lub peev xwm tiv thaiv sab nraud. Yog li ntawd, ntau yam kev tiv thaiv yuav tsum muaj lub luag haujlwm rau kev tiv thaiv los yog tiv thaiv ntau yam kev siv dag zog los ntawm sab nraud (xws li, kev teeb tsa, kev siv qhov chaw thiab thaum lub sijhawm siv), tsis kam mus rau huab cua ib puag ncig, tiv thaiv cov tshuaj lom neeg lossis roj, tiv thaiv kev puas tsuaj lom neeg, thiab txo cov hluav taws kub. Lub luag haujlwm tseem ceeb ntawm cable sheaths yog waterproofing, nplaim retardancy, hluav taws kub tsis kam thiab tiv thaiv corrosion. Ntau cov khoom siv cable tshwj xeeb tsim los rau qhov chaw zoo sab nraud (xws li huv, qhuav, thiab qhov chaw sab hauv tsev tsis muaj cov khoom siv hluav taws xob sab nraud), lossis cov khoom siv rwb thaiv tsev uas muaj qee yam muaj zog thiab huab cua tiv thaiv, tuaj yeem ua yam tsis muaj kev tiv thaiv txheej.
Dab tsi ntawm cov ntaub ntawv cable sheath muaj? Lub ntsiab cable sheath cov ntaub ntawv muaj xws li roj hmab, yas, txheej, silicone, thiab ntau yam fiber ntau cov khoom, thiab lwm yam. Cov yam ntxwv ntawm cov roj hmab thiab yas tiv thaiv txheej yog softness thiab lightness, thiab nws yog dav siv nyob rau hauv mobile cables. Txawm li cas los xij, vim tias ob qho tib si roj hmab thiab cov ntaub ntawv yas muaj qee qhov dej permeability, lawv tsuas tuaj yeem siv tau thaum cov ntaub ntawv polymer siab nrog cov dej noo tsis kam siv los ua cov rwb thaiv tsev cable. Tom qab ntawd qee tus neeg siv yuav nug tias vim li cas cov yas siv los ua cov txheej txheem tiv thaiv hauv khw? Piv nrog rau cov yam ntxwv ntawm cov yas sheaths, roj hmab sheaths muaj ntau dua elasticity thiab saj zawg zog, yog ntau resistant rau kev laus, tab sis lawv cov txheej txheem tsim yog ntau complex. Yas sheaths muaj cov khoom siv kho tshuab zoo dua thiab dej tsis kam, thiab muaj ntau cov peev txheej, tsis tshua muaj nqi thiab yooj yim rau kev ua haujlwm. Yog li ntawd, lawv tau siv dav hauv kev ua lag luam. Nws yuav tsum tau muab sau tseg los ntawm kev lag luam cov phooj ywg uas muaj lwm hom hlau sheath. Hlau sheaths tsis tau tsuas yog muaj kev tiv thaiv txhua yam tab sis kuj muaj kev tiv thaiv kev ua haujlwm tau hais hauv qab no. Lawv kuj muaj cov khoom xws li kev tiv thaiv corrosion, compressive thiab tensile zog, thiab dej tsis kam, uas tuaj yeem tiv thaiv cov dej noo thiab lwm yam khoom tsis zoo los ntawm kev nkag mus rau sab hauv ntawm cable rwb thaiv tsev. Yog li ntawd, lawv tau dav siv los ua sheaths rau roj-impregnated ntawv insulated fais fab cables nrog tsis zoo noo noo tsis kam.
4. Cable qauv muaj pes tsawg leeg: shielding txheej
Lub shielding txheej yog ib qho tseem ceeb ntawm cov khoom siv cable rau kev ua tiav electromagnetic teb cais. Nws tuaj yeem tsis tsuas yog tiv thaiv cov hluav taws xob sab hauv hluav taws xob los ntawm kev xau tawm thiab cuam tshuam nrog cov cuab yeej sab nraud, cov ntsuas hluav taws xob lossis lwm cov kab, tab sis tseem thaiv cov hluav taws xob hluav taws xob sab nraud los ntawm kev nkag mus rau cable system los ntawm kev sib txuas. Raws li txoj cai, cov txheej thaiv thaiv tsis yog tsuas yog teem rau sab nraud ntawm lub cable tab sis kuj tseem muaj nyob nruab nrab ntawm cov khub lossis pab pawg ntawm cov xov hlau hauv ntau cov tub ntxhais cables, tsim ntau theem "cov ntxaij vab tshaus electromagnetic cais". Nyob rau hauv xyoo tas los no, nrog rau cov kev xav tau ntau ntxiv rau kev sib txuas lus ntau zaus cables thiab kev cuam tshuam los ntawm kev cuam tshuam, cov ntaub thaiv npog tau hloov zuj zus los ntawm cov ntawv xov xwm ib txwm muaj thiab cov ntawv semiconductor daim kab xev mus rau cov ntaub ntawv zoo tshaj plaws xws lialuminium ntawv nyiaj mylar tapes, copper foil mylar tapes, thiab tooj liab tapes. Cov txheej txheem tiv thaiv feem ntau suav nrog cov txheej thaiv sab hauv uas ua los ntawm cov khoom siv polymers lossis cov ntaub nplaum semiconductive, nrog rau cov txheej thaiv sab nrauv xws li tooj liab daim kab xev ntev qhwv thiab braided tooj liab mesh. Ntawm lawv, txheej braided feem ntau siv tin-plated tooj liab los txhim kho corrosion kuj. Rau cov xwm txheej tshwj xeeb, xws li cov kab hluav taws xob sib txawv siv tooj liab + tooj liab hlau thaiv kev tiv thaiv, cov ntaub ntawv cables siv txhuas ntawv ci longitudinal wrapping + streamline tsim, thiab cov kab mob kho mob yuav tsum tau them nyiaj siab-plated tooj liab braided txheej. Nrog rau qhov tshwm sim ntawm 5G era, hybrid shielding qauv ntawm txhuas-yas composite daim kab xev thiab tin-plated tooj liab hlau weaving tau dhau los ua lub ntsiab daws teeb meem rau high-frequency cables. Kev lag luam kev xyaum qhia tau hais tias cov txheej thaiv tiv thaiv tau hloov zuj zus los ntawm cov qauv khoom siv mus rau ib qho kev ywj pheej ntawm cov cable. Kev xaiv cov ntaub ntawv rau nws yuav tsum tau ua tib zoo xav txog cov yam ntxwv zaus, khoov kev ua tau zoo thiab cov nqi tsim nyog kom tau raws li qhov xav tau ntawm electromagnetic compatibility ntawm cov ntawv thov sib txawv.
5. Cable qauv muaj pes tsawg leeg: ntim cov qauv
Ntau cov khoom siv hlau thiab cable yog ntau cov tub ntxhais. Piv txwv li, feem ntau cov hluav taws xob hluav taws xob qis qis yog plaub-core lossis tsib-core cables (tsim rau peb-theem systems), thiab cov xov tooj hauv nroog tuaj hauv 800 khub, 1200 khub, 2400 khub rau 3600 khub. Tom qab cov insulated hlau cores los yog khub yog cabled (los yog cabled nyob rau hauv ib pab pawg ntau zaus), muaj ob yam teeb meem: ib tug yog hais tias cov duab tsis yog puag ncig, thiab lwm yam yog hais tias muaj ntau qhov sib txawv ntawm cov insulated hlau cores. Yog li ntawd, ib tug filling qauv yuav tsum tau ntxiv thaum lub sij hawm cabling. Cov qauv filling yog ua kom lub sab nraud txoj kab uas hla ntawm lub cabling kuj puag ncig, uas yog conducive rau lub wrapping thiab extrusion ntawm sheath, thiab kuj yuav ua rau lub cable qauv ruaj khov thiab sab hauv muaj zog. Thaum siv (thaum ncab, compressing thiab khoov thaum lub sij hawm tsim thiab tso), lub zog sib npaug siv yam tsis muaj kev puas tsuaj rau sab hauv ntawm lub cable. Yog li ntawd, txawm hais tias cov qauv filling yog ib qho kev pabcuam, nws tseem tsim nyog, thiab muaj cov ncauj lus kom ntxaws txog nws cov khoom xaiv thiab cov qauv tsim.
Cable filling cov ntaub ntawv: Feem ntau, cov fillers rau cables muaj xws li polypropylene daim kab xev, non-woven PP hlua, hemp hlua, los yog cov ntaub ntawv pheej yig ua los ntawm cov roj hmab recycled. Txhawm rau siv los ua cov khoom siv cable, nws yuav tsum muaj cov yam ntxwv tsis ua rau muaj kev cuam tshuam tsis zoo ntawm cov tub ntxhais cable insulated, tsis yog hygroscopic los ntawm nws tus kheej, tsis ua rau shrinkage thiab tsis corroding.
6. Cable qauv muaj pes tsawg leeg: Tensile ntsiab
Cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob cia siab rau cov txheej txheem armor ntawm lub tsho tiv thaiv sab nraud tensile rog lossis tensile rog los ntawm lawv tus kheej qhov hnyav. Cov qauv tsim yog steel daim kab xev armoring thiab steel hlau armoring (piv txwv li, rau submarine cables, tuab steel hlau nrog ib txoj kab uas hla ntawm 8 hli yog siv thiab twisted los tsim armoring txheej). Txawm li cas los xij, txhawm rau tiv thaiv cov fibers optical los ntawm me me tensile rog thiab tiv thaiv me ntsis deformation ntawm cov fibers uas yuav cuam tshuam rau kev sib kis tau zoo, cov qauv fiber ntau optical yog nruab nrog thawj thiab theem nrab cladding nrog rau kev mob siab tensile quab yuam Cheebtsam. Tsis tas li ntawd, yog hais tias lub mloog pob ntseg ntawm lub xov tooj ntawm tes txais yuav ib tug qauv uas zoo tooj liab hlau los yog nyias tooj liab daim kab xev raug mob nyob ib ncig ntawm cov hluavtaws fiber ntau thiab ib txheej insulating yog extruded rau sab nraud, cov hluavtaws fiber ntau yog cov khoom tensile. Hauv kev xaus, hauv cov khoom tshwj xeeb, me me thiab hloov pauv tau tsim nyob rau xyoo tas los no uas yuav tsum tau siv ntau yam dabtsi yog khoov thiab sib tw, tensile ntsiab ua lub luag haujlwm tseem ceeb.
Cov ntaub ntawv dab tsi suav nrog rau cable tensile Cheebtsam: steel strips, steel hlau, thiab stainless hlau foils
Lub sij hawm xa tuaj: Plaub Hlis-25-2025