Iintambo ze-optical zangaphakathi zisetyenziswa kakhulu kwiinkqubo ze-cable ezicwangcisiweyo. Ngenxa yezizathu ezahlukeneyo ezifana nendawo yokwakha kunye neemeko zokufakela, uyilo lweentambo ze-optical zangaphakathi luye lwaba nzima ngakumbi. Izinto ezisetyenziselwa iintambo ze-optical kunye neentambo zahlukile, kunye neempawu zoomatshini kunye nezokukhanya ezigxininiswa ngokwahlukileyo. Iintambo ze-optical eziqhelekileyo zangaphakathi ziquka iintambo zesebe ezingundoqo omnye, iintambo ezingahlanganiswanga, kunye neentambo ezihlanganisiweyo. Namhlanje, i-ONE WORLD iza kugxila kwenye yezona ntlobo zixhaphakileyo zeentambo ze-optical ezihlanganisiweyo: i-GJFJV.
Intambo ye-GJFJV yangaphakathi
1. Ulwakhiwo lwesakhiwo
Imodeli esemgangathweni kwishishini yeentambo ze-optical zangaphakathi yi-GJFJV.
GJ — Intambo ye-optical yonxibelelwano yangaphakathi
F — Icandelo lokuqinisa elingeyonsimbi
J — Ulwakhiwo lwefayibha ye-optical eqinisiweyo
V — Isingxobo sePolyvinyl chloride (PVC)
Qaphela: Kwigama lezinto zeshelufu, u-"H" umele ishelufu engenamsi ophantsi, kwaye u-"U" umele ishelufu ye-polyurethane.
2. Umzobo weCandelo leCable Optical yangaphakathi
Izinto zoKwakha kunye neempawu
1. I-Coated Optical Fiber (Eyenziwe nge-optical fiber kunye nomaleko wokwaleka wangaphandle)
Ifayibha ye-optical yenziwe ngezinto ze-silica, kwaye ububanzi obuqhelekileyo be-cladding yi-125 μm. Ububanzi obuphambili be-single-mode (B1.3) yi-8.6-9.5 μm, kwaye kwi-multi-mode (OM1 A1b) yi-62.5 μm. Ububanzi obuphambili be-multi-mode OM2 (A1a.1), OM3 (A1a.2), OM4 (A1a.3), kunye ne-OM5 (A1a.4) yi-50 μm.
Ngexesha lenkqubo yokuzoba i-glass optical fiber, kufakwa umaleko we-elastic coating kusetyenziswa ukukhanya kwe-ultraviolet ukuthintela ungcoliseko luthuli. Olu gqubuthelo lwenziwe ngezinto ezifana ne-acrylate, irabha ye-silicone, kunye ne-nylon.
Umsebenzi wolu phahla kukukhusela umphezulu wefayibha ye-optical kumswakama, igesi, kunye nokukrala koomatshini, kunye nokuphucula ukusebenza kwe-microbend yefayibha, ngaloo ndlela kunciphisa ilahleko ezongezelelweyo zokugoba.
Ingubo ingafakwa umbala ngexesha lokusetyenziswa, kwaye imibala kufuneka ihambelane ne-GB/T 6995.2 (eluhlaza okwesibhakabhaka, eorenji, eluhlaza, emdaka, engwevu, emhlophe, ebomvu, emnyama, emthubi, emfusa, epinki, okanye eluhlaza okotshani). Ingahlala ingafakwanga umbala njengendalo.
2. Umaleko we-Tight Buffer
Izixhobo: I-polyvinyl chloride (PVC) enobuhlobo nokusingqongileyo, ethintela ilangabi,i-polyolefin engenamsi ophantsi (LSZH), intambo ethintela ilangatye elinganiswe yi-OFNR, intambo ethintela ilangatye elinganiswe yi-OFNP.
Umsebenzi: Ikhusela ngakumbi iifayibha ze-optical, iqinisekisa ukuba ziyahambelana neemeko ezahlukeneyo zokufakelwa. Inika ukumelana noxinzelelo, ucinezelo, kunye nokugoba, kwaye ikwabonelela ngokumelana namanzi kunye nokufuma.
Ukusetyenziswa: Umaleko we-tight buffer ungafakwa ikhowudi yemibala ukuze kufunyanwe, kunye neekhowudi zemibala ezihambelana nemigangatho ye-GB/T 6995.2. Ukuze kufunyanwe intsingiselo engaqhelekanga, kungasetyenziswa amaringi emibala okanye amachaphaza.
3. Izinto eziQinisekisayo
Izixhobo:Intambo ye-Aramid, ngakumbi i-poly(p-phenylene terephthalamide), uhlobo olutsha lwefayibha yokwenziwa yobuchwepheshe obuphezulu. Ineempawu ezintle kakhulu ezifana namandla aphezulu kakhulu, i-modulus ephezulu, ukumelana nobushushu obuphezulu, ukumelana ne-asidi kunye ne-alkali, ulula, ubushushu, ukumelana nokuguga, kunye nobomi benkonzo ende. Kumaqondo obushushu aphezulu, igcina uzinzo, ngesantya esiphantsi kakhulu sokuncipha, ukuqhekeka okuncinci, kunye nobushushu obuphezulu bokutshintsha kweglasi. Ikwabonelela ngokumelana nokugqwala okuphezulu kunye nokungaqhubi kakuhle, okwenza ukuba ibe yinto efanelekileyo yokuqinisa iintambo ze-optical.
Umsebenzi: Intambo ye-Aramid ijikeleziswa ngokulinganayo okanye ibekwe ngobude kwi-cable sheath ukuze inike inkxaso, iphucula ukuxhathisa kwentambo kunye noxinzelelo, amandla oomatshini, uzinzo lobushushu, kunye nozinzo lweekhemikhali.
Ezi mpawu ziqinisekisa ukusebenza kakuhle kokudluliselwa kwentambo kunye nobomi benkonzo. I-Aramid ikwasetyenziswa kakhulu ekuveliseni iivesti ezikhusela iimbumbulu kunye neeparashuti ngenxa yokuba inamandla okutsala kakuhle.
4. Isingxobo sangaphandle
Izixhobo: I-polyolefin engenamsi ophantsi (LSZH), i-polyvinyl chloride (PVC), okanye iintambo ezithintela umsi ezilinganiselwe yi-OFNR/OFNP. Ezinye izinto zesheya zingasetyenziswa ngokweemfuno zabathengi. I-polyolefin engenamsi ophantsi kufuneka ihlangabezane nemigangatho ye-YD/T1113; i-polyvinyl chloride kufuneka ihambelane ne-GB/T8815-2008 kwizixhobo ze-PVC ezithambileyo; i-polyurethane ye-thermoplastic kufuneka ihlangabezane nemigangatho ye-YD/T3431-2018 kwi-thermoplastic polyurethane elastomers.
Umsebenzi: I-sheath yangaphandle inika ukhuseleko olongezelelweyo kwiifayibha ze-optical, iqinisekisa ukuba zinokuziqhelanisa neendawo ezahlukeneyo zokufakela. Ikwabonelela ngokumelana noxinzelelo, ucinezelo, kunye nokugoba, ngelixa inika ukumelana namanzi kunye nokufuma. Kwiimeko zokhuseleko oluphezulu lomlilo, izixhobo ezingenayo i-halogen yomsi omncinci zisetyenziselwa ukuphucula ukhuseleko lweentambo, ukukhusela abasebenzi kwiigesi eziyingozi, umsi, kunye namalangatye xa kutsha umlilo.
Ukusetyenziswa: Umbala weshelufu kufuneka uhambelane nemigangatho ye-GB/T 6995.2. Ukuba i-optical fiber iluhlobo lwe-B1.3, ishelufu kufuneka ibe tyheli; kuhlobo lwe-B6, ishelufu kufuneka ibe tyheli okanye iluhlaza; kuhlobo lwe-AIa.1, kufuneka ibe tyheli; kuhlobo lwe-AIb kufuneka ibe ngwevu; kuhlobo lwe-A1a.2 kufuneka ibe luhlaza lwe-cyan; kwaye kuhlobo lwe-A1a.3 kufuneka ibe mfusa.
Imizekelo yesicelo
1. Isetyenziswa kakhulu kwiinkqubo zonxibelelwano lwangaphakathi kwizakhiwo, ezifana neeofisi, izibhedlele, izikolo, izakhiwo zemali, iivenkile ezinkulu, amaziko edatha, njl. Isetyenziswa kakhulu ekunxibelelaneni phakathi kwezixhobo ezikwigumbi leseva kunye nonxibelelwano nabaqhubi bangaphandle. Ukongeza, iintambo ze-optical zangaphakathi zingasetyenziswa kwiintambo zenethiwekhi yasekhaya, ezifana neeLAN kunye neenkqubo zekhaya ezikrelekrele.
2. Ukusetyenziswa: Iintambo ze-optical zangaphakathi zincinci, zikhaphukhaphu, zigcina indawo, kwaye kulula ukuzifaka nokuzilungisa. Abasebenzisi banokukhetha iintlobo ezahlukeneyo zeentambo ze-optical zangaphakathi ngokusekelwe kwiimfuno ezithile zendawo.
Kwizindlu eziqhelekileyo okanye kwiindawo zeeofisi, iintambo zePVC zangaphakathi ezisemgangathweni zingasetyenziswa.
Ngokwemigangatho kazwelonke ye-GB/T 51348-2019:
1. Izakhiwo zikawonke-wonke ezinobude obuyi-100m nangaphezulu;
②. Izakhiwo zikawonke-wonke ezinokuphakama okuphakathi kwe-50m kunye ne-100m kunye nommandla ongaphezulu kwe-100,000㎡;
③. Amaziko edatha ebanga B nangaphezulu;
Ezi kufuneka zisebenzise iintambo ze-optical ezithintela ilangatye ezinezinga lomlilo elingaphantsi komgangatho we-B1 ongenamsi uphantsi, ongena-halogen.
Kwimigangatho ye-UL1651 e-US, uhlobo lwentambo oluphezulu oluthintela umlilo yintambo ye-optical elinganiswe yi-OFNP, eyenzelwe ukuzicima ngaphakathi kweemitha ezi-5 xa ibekwe elangatyeni. Ukongeza, ayikhuphi umsi okanye umphunga onetyhefu, nto leyo eyenza ukuba ifaneleke ukufakwa kwimibhobho yomoya okanye kwiinkqubo zoxinzelelo lokubuyisela umoya ezisetyenziswa kwizixhobo ze-HVAC.
Ixesha leposi: Februwari-20-2025