Lithapo tsa optical tsa kahare li sebelisoa hangata lits'ebetsong tse hlophisitsoeng tsa cabling. Ka lebaka la lintlha tse fapaneng tse kang tikoloho ea mohaho le maemo a ho kenya, moralo oa lithapo tsa optical tsa ka hare li fetohile tse rarahaneng haholoanyane. Lisebelisoa tse sebelisoang bakeng sa likhoele tsa optical le likhoele li fapane, 'me thepa ea mochini le ea optical e hatisoa ka tsela e fapaneng. Lithapo tse tloaelehileng tsa ka hare tsa optical li kenyelletsa likhoele tsa lekala tse nang le konokono e le 'ngoe, likhoele tse sa tlanngoeng, le likhoele tse tlanngoeng. Kajeno, LEFATŠE LE LE MONG le tla tsepamisa maikutlo ho o mong oa mefuta e atileng haholo ea lithapo tsa mahlo tse kopantsoeng: GJFJV.
GJFJV Indoor Optical Cable
1. Sebopeho sa Sebopeho
Mokhoa o tloaelehileng oa indasteri bakeng sa likhoele tsa optical tsa kahare ke GJFJV.
GJ - Puisano ea ka hare ea optical cable
F - Karolo e matlafatsang e se nang tšepe
J - Sebopeho sa fiber ea optical e thata-thata
V - Polyvinyl chloride (PVC) sheath
Tlhokomeliso: Bakeng sa ho reha thepa ea sheath, "H" e emetse sheath e se nang mosi o tlase, 'me "U" e emetse polyurethane sheath.
2. Setšoantšo sa Indoor Optical Cable Cross-Section
Lisebelisoa le Litšobotsi tsa ho Hlama
1. Fiber ea Optical e koahetsoeng (E entsoe ka fiber ea optical le lera la ho roala ka ntle)
Fiber ea optical e entsoe ka thepa ea silika, 'me bophara bo tloaelehileng ba cladding ke 125 μm. Bophahamo ba mantlha ba mokhoa o le mong (B1.3) ke 8.6-9.5 μm, 'me bakeng sa mefuta e mengata (OM1 A1b) ke 62.5 μm. Bophahamo ba mantlha bakeng sa mefuta e mengata ea OM2 (A1a.1), OM3 (A1a.2), OM4 (A1a.3), le OM5 (A1a.4) ke 50 μm.
Nakong ea ts'ebetso ea ho taka khalase ea optical fiber, ho sebelisoa lesela la ho roala ho sebelisoa lebone la ultraviolet ho thibela ho silafatsoa ke lerōle. Seaparo sena se entsoe ka thepa e kang acrylate, rabara ea silicone le nylon.
Mosebetsi oa ho roala ke ho sireletsa bokaholimo ba fiber ho tloha mongobo, khase, le abrasion ea mochini, le ho ntlafatsa ts'ebetso ea microbend ea fiber, ka hona ho fokotsa tahlehelo e eketsehileng ea ho kobeha.
Ho roala ho ka ba mebala nakong ea tšebeliso, 'me mebala e lokela ho lumellana le GB/T 6995.2 (Blue, Orange, Green, Brown, Gray, White, Red, Black, Yellow, Purple, Pink, kapa Cyan Green). E ka boela ea lula e se na mebala e le ea tlhaho.
2. Tight Buffer Layer
Lisebelisoa: E na le botsoalle tikolohong, polyvinyl chloride e thibelang malakabe (PVC),low smoke halogen-free (LSZH) polyolefin, thapo e thibang lelakabe e lekantsoeng ka OFNR, thapo e lekantsoeng ke OFNP e thibelang mollo.
Mosebetsi: E boetse e sireletsa likhoele tsa optical, ho netefatsa hore li ikamahanya le maemo a fapaneng a ho kenya. E fana ka ho hanyetsa tsitsipano, khatello le ho kobeha, hape e fana ka ho hanyetsa metsi le mongobo.
Sebelisa: Lera le thata la "buffer" le ka ngolisoa ka mebala bakeng sa boitsebahatso, ka mebala e lumellanang le litekanyetso tsa GB/T 6995.2. Bakeng sa boitsebahatso bo sa tloaheleheng, ho ka sebelisoa masale a mebala kapa matheba.
3. Ho matlafatsa Likarolo
Boitsebiso:Khoele ea Aramid, haholo-holo poly(p-phenylene terephthalamide), mofuta o mocha oa fiber ea theknoloji e phahameng ea maiketsetso. E na le thepa e ntle haholo joalo ka matla a holimo-limo, modulus e phahameng, ho hanyetsa mocheso o phahameng, acid le alkali resistance, bobebe, bohanyetsi, botsofali le bophelo bo bolelele ba ts'ebeletso. Lithempereicharang tse phahameng, e boloka botsitso, ka sekhahla se tlase haholo sa ho honyela, ho thella ho fokolang, le mocheso o phahameng oa phetoho ea likhalase. E boetse e fana ka khanyetso e phahameng ea kutu le ho se sebetse, e e etsa sesebelisoa se loketseng sa ho matlafatsa likhoele tsa optical.
Mosebetsi: Khoele ea Aramid e pota-potiloe ka ho lekana kapa e behiloe ka nako e telele ka har'a sheath ea cable ho fana ka ts'ehetso, ho matlafatsa ts'ebetso ea cable le khatello ea khatello, matla a mochine, botsitso ba mocheso le botsitso ba lik'hemik'hale.
Litšobotsi tsena li netefatsa ts'ebetso ea phetiso ea cable le bophelo ba ts'ebeletso. Aramid e boetse e sebelisoa ka mokhoa o tloaelehileng tlhahisong ea liphahlo tse thibelang likulo le li-parachute ka lebaka la matla a eona a matla a ho tsitsa.
4. Selata sa Kantle
Lisebelisoa: Mosi o tlase oa halogen-free flame-retardant polyolefin (LSZH), polyvinyl chloride (PVC), kapa lithapo tse lekanyelitsoeng tsa OFNR/OFNP tse thibelang malakabe. Lisebelisoa tse ling tsa sheath li ka sebelisoa ho latela litlhoko tsa bareki. Polyolefin e se nang mosi o tlaase e tlameha ho finyella litekanyetso tsa YD/T1113; polyvinyl chloride e lokela ho lumellana le GB/T8815-2008 bakeng sa lisebelisoa tse bonolo tsa PVC; thermoplastic polyurethane e lokela ho kopana le litekanyetso tsa YD/T3431-2018 bakeng sa thermoplastic polyurethane elastomers.
Mosebetsi: Sheath e ka ntle e fana ka tšireletso e eketsehileng bakeng sa likhoele tsa optical, ho netefatsa hore li ka ikamahanya le maemo a fapaneng a ho kenya. E boetse e fana ka khanyetso ho tsitsipano, khatello le ho kobeha, ha e ntse e fana ka ho hanyetsa metsi le mongobo. Bakeng sa maemo a phahameng a tšireletso ea mollo, lisebelisoa tse tlaase tsa halogen tse se nang mosi li sebelisoa ho ntlafatsa tšireletso ea cable, ho sireletsa basebetsi likhase tse kotsi, mosi le malakabe ha ho chesa.
Sebelisa: 'Mala oa sheath o lokela ho lumellana le litekanyetso tsa GB / T 6995.2. Haeba fiber ea optical e le mofuta oa B1.3, sheath e lokela ho ba mosehla; bakeng sa mofuta oa B6, sheath e lokela ho ba mosehla kapa e tala; bakeng sa mofuta oa AIa.1, e lokela ho ba lamunu; Mofuta oa AIb o lokela ho ba o moputsoa; Mofuta oa A1a.2 o lokela ho ba o motala oa cyan; le mofuta oa A1a.3 e lokela ho ba pherese.
Maemo a Kopo
1. Hangata e sebelisoa mekhoeng ea puisano ea ka hare ka har'a mehaho, e kang liofisi, lipetlele, likolo, mehaho ea lichelete, mabenkele a mabenkele, litsi tsa data, joalo-joalo E sebelisoa haholo-holo bakeng sa ho hokahanya pakeng tsa lisebelisoa ka likamoreng tsa li-server le likamano tsa puisano le basebetsi ba kantle. Ho feta moo, lithapo tsa optical tsa kahare li ka sebelisoa mecheng ea marang-rang ea lapeng, joalo ka li-LAN le lisebelisoa tse bohlale tsa lapeng.
2. Tšebeliso: Lithapo tsa optical tsa ka hare li kopane, li bobebe, li boloka sebaka, 'me ho bonolo ho li kenya le ho li hlokomela. Basebelisi ba ka khetha mefuta e fapaneng ea likhoele tsa optical tsa kahare ho latela litlhoko tse ikhethang tsa sebaka.
Malapeng a tloaelehileng kapa liofising, ho ka sebelisoa likhoele tse tloaelehileng tsa ka tlung tsa PVC.
Ho latela maemo a naha a GB/T 51348-2019:
①. Mehaho ea sechaba e bolelele ba 100m kapa ho feta;
②. Mehaho ea sechaba e bolelele bo pakeng tsa 50m le 100m le sebaka se fetang 100,000㎡;
③. Litsi tsa data tsa sehlopha sa B kapa ka holimo;
Tsena li lokela ho sebelisa lithapo tsa mahlo tse thibelang malakabe tse nang le sekhahla sa mollo se seng ka tlase ho sehlopha sa B1 se nang le mosi o tlase, se se nang halogen.
Boemong ba UL1651 naheng ea Amerika, mofuta o phahameng ka ho fetisisa oa thapo e thibelang malakabe ke thapo ea optical e lekantsoeng ka OFNP, e etselitsoeng ho itima ka hare ho limithara tse 5 ha e pepesetsoa lelakabe. Ho feta moo, ha e ntše mosi o chefo kapa mouoane, e leng se etsang hore e tšoanelehe bakeng sa ho kenngoa likotopong tsa moea kapa tsamaisong ea khatello ea moea e sebelisoang thepa ea HVAC.
Nako ea poso: Feb-20-2025