Tag nrho qhov ntev ntawm kuv lub teb chaws cov kab hluav taws xob sib kis tau thib ob hauv ntiaj teb. Raws li kev txheeb cais, muaj 310,000 mais ntawm cov kab uas twb muaj lawm 110KV thiab saum toj no, thiab muaj cov kab qub 35KV / 10KV coob. Txawm hais tias lub domestic thov rauOPGWtau nce sharply nyob rau hauv xyoo tas los no, qhov kev thov rau ADSS fiber cable yog tseem nce tsis tu ncua.
ADSS optical cable yog "ntxiv" rau cov kab qub.ADSS fiber ntau cabletuaj yeem sim ua kom haum rau cov kab qub qub, uas suav nrog (tab sis tsis txwv rau) kev thauj khoom huab cua, ntauwd lub zog thiab cov duab, thawj tus neeg xyuas pib theem kev teeb tsa thiab txoj kab uas hla, sag nro thiab ncua thiab kev nyab xeeb. Txawm hais tias ADSS fiber ntau cable zoo li zoo tib yam "tag nrho-yas" lossis "non-metallic" optical cable, lawv yog ob yam khoom sib txawv.
1. Cov qauv neeg sawv cev
Tam sim no, muaj ob lub ntsiab ntawm ADSS fiber ntau cables nrov hauv tsev thiab txawv teb chaws.
1. Central tube qauv:
ADSS Cable cov khoom siv kho qhov muag tau muab tso rau hauv PBT (lossis lwm yam khoom siv tsim nyog) lub raj ntim dej thaiv cov roj nrog ib qho ntev ntev, thiab qhwv nrog cov xov paj tsim nyog raws li qhov xav tau lub zog tensile, thiab tom qab ntawd extrude PE (≤12KV hluav taws xob teb zog) los yog AT (≤20KV hluav taws xob teb zog) sheath.
Lub hauv paus raj qauv yog ib qho yooj yim kom tau txais ib txoj kab uas hla me me, nrog rau cov dej khov me me; qhov hnyav kuj tseem yog lub teeb, tab sis qhov ntev ntawm cov fiber ntau yog txwv.
2. Txheej-twisted qauv:
Optical fiber ntau xoob raj yog qhov txhab ntawm lub hauv paus txhawb zog (feem ntau FRP) nrog ib lub suab, thiab tom qab ntawd cov ntaub qhwv sab hauv yog extruded (uas tuaj yeem raug tshem tawm ntawm qhov nro thiab me me), thiab tom qab ntawd qhwv nrog cov xov paj tsim nyog raws li qhov xav tau lub zog tensile, thiab ces extrude PE los yog AT sheath. Cov tub ntxhais cable tuaj yeem sau nrog roj, tab sis thaum ADSS ua haujlwm ntawm qhov loj thiab nrog lub sag loj, cov tub ntxhais cable yooj yim "swb" vim qhov me me ntawm cov roj, thiab lub suab ntawm lub raj xoob yog qhov yooj yim. yooj yim hloov. Qhov teeb meem tuaj yeem kov yeej los ntawm kev kho cov raj xoob mus rau hauv nruab nrab qhov cuab lub zog thiab cov tub ntxhais qhuav cable nrog txoj kev tsim nyog, tab sis muaj qee yam txheej txheem nyuaj.
Cov txheej txheej-twisted yog ib qho yooj yim kom tau txais kev nyab xeeb ntev fiber ntau. Txawm hais tias txoj kab uas hla thiab qhov hnyav yog qhov loj, nws yog qhov zoo dua thaum siv hauv nruab nrab thiab loj spans.
2. Cov yam ntxwv tseem ceeb
ADSS fiber cable ua haujlwm nyob rau hauv lub xeev overhead nrog ob lub ntsiab lus ntawm kev txhawb nqa nyob rau hauv ib tug loj span (feem ntau pua pua ntawm meters, los yog txawm ntau tshaj 1 kilometers), uas yog kiag li txawv los ntawm ib txwm lub tswv yim ntawm "overhead" (lub overhead suspension kab hooking. qhov kev pab cuam ntawm kev tshaj tawm thiab kev sib txuas lus tus qauv muaj qhov nruab nrab ntawm 1 qhov kev txhawb nqa rau qhov kho qhov muag cable txhua 0.4 meters). Yog li ntawd, qhov tseem ceeb ntawm ADSS cable yog nyob rau hauv txoj kab nrog cov kev cai ntawm lub hwj chim overhead kab.
1. Qhov siab tshaj plaws tso cai nruj (MAT/MOTS)
Hais txog qhov nro uas lub optical cable tau raug thaum tag nrho cov load yog theoretically xam nyob rau hauv lub tsim huab cua tej yam kev mob. Nyob rau hauv qhov nro no, cov fiber ntau optical yuav tsum yog ≤0.05% (txheej twisted) thiab ≤0.1% (central raj) yam tsis muaj ntxiv attenuation. Qhov ntev fiber ntau tsuas yog "noj" ntawm tus nqi tswj no. Raws li qhov ntsuas no, cov xwm txheej huab cua thiab kev tswj hwm sag, qhov kev tso cai ncua sij hawm ntawm cov kab hluav taws xob kho qhov muag hauv qhov xwm txheej no tuaj yeem suav. Yog li, MAT yog lub hauv paus tseem ceeb rau sag-tension-span suav, thiab tseem yog ib qho pov thawj tseem ceeb rau kev ua tus yam ntxwv ntawm kev ntxhov siab.ADSS kab.
2. Rated tensile zog (UTS/RTS)
Kuj tseem hu ua qhov kawg tensile lub zog los yog tawg quab yuam, nws yog hais txog tus nqi ntawm cov sum ntawm lub zog ntawm cov kabmob (tsuas yog nylon). Lub zog tawg tiag tiag yuav tsum yog ≥95% ntawm tus nqi suav (qhov kev tawg ntawm ib qho khoom siv hauv qhov kho qhov muag yog txiav txim raws li cable tawg). Qhov kev ntsuas no tsis yog xaiv tau, thiab ntau qhov kev tswj hwm muaj feem cuam tshuam rau nws (xws li ncej ntauwd lub zog, nro fittings, kev tiv thaiv av qeeg, thiab lwm yam). Rau cov kws kho qhov muag cable, yog tias qhov piv ntawm RTS / MAT (sib npaug rau qhov kev nyab xeeb K ntawm cov kab nyiaj siv ua haujlwm) tsis tsim nyog, txawm tias siv ntau nylon, thiab cov khoom siv kho qhov muag muaj ntau qhov nqaim, kev lag luam / kev lag luam. kev ua tau zoo piv tsis zoo heev. Yog li ntawd, tus kws sau ntawv pom zoo kom cov neeg ua haujlwm hauv kev lag luam them nyiaj rau qhov ntsuas no. Feem ntau, MAT yog kwv yees li ntawm 40% RTS.
3. Txhua xyoo kev nyuaj siab (EDS)
Qee lub sij hawm hu ua qhov nruab nrab kev ntxhov siab txhua hnub, nws yog hais txog qhov nro ntawm cov khoom siv kho qhov muag raws li theoretical load xam nyob rau hauv cov cua tsis muaj cua thiab dej khov thiab qhov kub thiab txias txhua xyoo, uas tuaj yeem suav hais tias yog qhov nruab nrab nruj (kev ntxhov siab) ntawm ADSS thaum lub sijhawm ua haujlwm ntev. EDS feem ntau yog (16 ~ 25)% RTS. Nyob rau hauv qhov nro no, lub optical fiber yuav tsum tsis muaj strain thiab tsis muaj attenuation ntxiv, uas yog, nws yog ruaj khov heev. EDS kuj yog qhov qaug zog kev laus tsis zoo ntawm cov kab hluav taws xob kho qhov muag, thiab kev co-pov thawj tsim ntawm cov kab hluav taws xob kho qhov muag tau txiav txim siab raws li qhov ntsuas no.
4. Qhov kawg ua haujlwm nruj (UES)
Kuj tseem hu ua kev siv tshwj xeeb nro, nws hais txog qhov siab tshaj plaws ntawm qhov kho qhov muag cable thaum lub neej ua haujlwm ntawm cov khoom siv kho qhov muag thaum nws tuaj yeem tshaj qhov tsim qauv. Nws txhais tau hais tias qhov kho qhov muag cable tso cai rau lub sijhawm luv luv, thiab cov khoom siv kho qhov muag tuaj yeem tiv taus cov kab mob hauv qhov txwv tsis pub muaj. Feem ntau, UES yuav tsum yog> 60% RTS. Nyob rau hauv qhov nro no, lub hom ntawm optical fiber yog <0.5% (central tube) thiab <0.35% (txheej twisting), thiab cov fiber ntau optical yuav muaj attenuation ntxiv, tab sis tom qab qhov nro no tawm, cov fiber ntau optical yuav tsum rov qab mus rau qhov qub. . Qhov kev ntsuas no ua kom ntseeg tau qhov kev ua haujlwm ntawm ADSS cable thaum nws lub neej.
3. Kev sib txuam ntawm fittings thiaboptical cables
Lub npe hu ua fittings yog hais txog cov khoom siv kho qhov muag uas siv los txhim kho cov kab hluav taws xob kho qhov muag.
1. Ceev nrooj clamp
Txawm hais tias nws yog hu ua "clamp", nws yog qhov zoo dua los siv cov kauv pre-twisted xaim (tshwj tsis yog qhov nro me me thiab me me). Qee tus neeg kuj hu nws "terminal" lossis "static end" fittings. Qhov kev teeb tsa yog nyob ntawm txoj kab uas hla sab nraud thiab RTS ntawm cov kab hluav taws xob kho qhov muag, thiab nws lub zog tuav feem ntau yuav tsum yog ≥95% RTS. Yog tias tsim nyog, nws yuav tsum tau sim nrog cov khoom siv kho qhov muag.
2. Ncua tseg clamp
Nws kuj yog qhov zoo dua los siv cov kauv pre-twisted hlau hom (tshwj tsis yog qhov nro me me thiab luv luv). Qee lub sij hawm nws yog hu ua "mid-range" lossis "suspension end" fittings. Feem ntau, nws lub zog tuav yuav tsum yog ≥ (10-20)% RTS.
3. Kev vibration damper
ADSS optical fiber ntau cables feem ntau siv kauv dampers (SVD). Yog tias EDS ≤ 16% RTS, kev tiv thaiv kev vibration tuaj yeem tsis quav ntsej. Thaum EDS yog (16-25)% RTS, kev tiv thaiv kev vibration yuav tsum tau ua. Yog tias cov kab hluav taws xob kho qhov muag tau teeb tsa hauv thaj chaw muaj kev co, txoj kev tiv thaiv kev vibration yuav tsum tau txiav txim siab los ntawm kev sim yog tias tsim nyog.
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