Nakong ena ea nts'etsopele ea tlhahisoleseling e potlakileng, thekenoloji ea puisano e fetohile ntho e ka sehloohong e susumetsang tsoelo-pele ea sechaba. Ho tloha puisanong ea letsatsi le letsatsi ea mehala le phihlello ea marang-rang ho ea ho othomathike ea indasteri le ho beha leihlo hole, likhoele tsa puisano li sebetsa e le "litsela tse kholo" tsa phetiso ea tlhahisoleseling mme li bapala karolo ea bohlokoahali. Har'a mefuta e mengata ea likhoele tsa puisano, mohala oa coaxial o hlahella ka lebaka la sebopeho sa oona se ikhethang le ts'ebetso e phahameng, e ntse e le e 'ngoe ea mecha ea litaba ea bohlokoa ka ho fetisisa bakeng sa ho fetisa lipontšo.
Nalane ea thapo ea coaxial e qalile ho elella bofelong ba lekholo la bo19 la lilemo. Ka ho hlaha le ho fetoha ha theknoloji ea puisano ea seea-le-moea, ho ne ho e-na le tlhokahalo e potlakileng ea mohala o khonang ho fetisa melaetsa ea maqhubu a phahameng ka katleho. Ka 1880, rasaense oa Brithani Oliver Heaviside o ile a qala ho hlahisa khopolo ea mohala oa coaxial 'me a theha sebopeho sa eona sa motheo. Ka mor'a ntlafatso e tsoelang pele, lithapo tsa coaxial li ile tsa fumana ts'ebetso e pharaletseng butle-butle lefapheng la puisano, haholo-holo thelevisheneng ea cable, puisano ea maqhubu a seea-le-moea le lisebelisoa tsa radar.
Leha ho le joalo, ha re lebisa tlhokomelo ea rona libakeng tsa leoatle-haholo-holo ka har'a likepe le boenjiniere ba lebōpong la leoatle-lithapo tsa coaxial li tobana le mathata a mangata. Tikoloho ea leoatle e rarahane ebile e fetoha. Nakong ea ho sesa, likepe li pepesehela matla a maqhubu, ho bola ha letsoai, ho fetoha ha mocheso le tšitiso ea motlakase. Maemo ana a thata a etsa hore ho be le litlhoko tse phahameng tsa ho sebetsa ha cable, e leng se hlahisang thapo ea marine coaxial. E etselitsoe ka ho khetheha bakeng sa tikoloho ea leoatle, lithapo tsa marine coaxial li fana ka ts'ebetso e ntlafetseng ea tšireletso le khanyetso e phahameng ea ho kena-kenana le motlakase, e leng se etsang hore e tšoanelehe bakeng sa phetisetso ea nako e telele le li-bandwidth tse phahameng, puisano ea data e potlakileng. Esita le maemong a thata a lebōpong la leoatle, likhoele tsa marine coaxial li ka fetisa melaetsa ka mokhoa o tsitsitseng le ka botšepehi.
Marine coaxial cable ke thapo ea puisano e sebetsang hantle haholo e ntlafalitsoeng ka sebopeho le thepa ho fihlela litlhoko tse matla tsa tikoloho ea leoatle. Ha ho bapisoa le lithapo tse tloaelehileng tsa coaxial, likhoele tsa marine coaxial li fapana haholo khethong ea thepa le moralo oa sebopeho.
Sebopeho sa mantlha sa thapo ea marine coaxial e na le likarolo tse 'ne: sekontiri se ka hare, lera la ho kenya letsoho, sekontiri sa kantle le sheath. Moralo ona o thusa phetisetso ea mats'oao a maqhubu a phahameng haholo ha o ntse o fokotsa ho nyenyefatsa le tšitiso.
Mokhanni oa ka hare: Mokhanni oa ka hare ke mokokotlo oa thapo ea marine coaxial, eo hangata e entsoeng ka koporo e hloekileng haholo. Ts'ebetso e ntle ea Copper e netefatsa tahlehelo e fokolang ea matšoao nakong ea phetisetso. Bophara le sebopeho sa conductor e ka hare ke tsa bohlokoa bakeng sa ts'ebetso ea phetiso 'me li ntlafalitsoe ka ho khetheha bakeng sa phetiso e tsitsitseng maemong a leoatle.
Insulation Layer: E behiloe pakeng tsa li-conductor tse ka hare le tsa ka ntle, lesela la ho kenya letsoho le thibela ho tsoa ha matšoao le lipotoloho tse khutšoanyane. Thepa e tlameha ho bonts'a thepa e ntle ea dielectric, matla a mochini, le ho hanyetsa ho bola ha letsoai, mocheso o phahameng le o tlase. Lisebelisoa tse tloaelehileng li kenyelletsa PTFE (polytetrafluoroethylene) le Foam Polyethylene (Foam PE)—tseo ka bobeli li sebelisoang haholo lithapong tsa marine coaxial bakeng sa botsitso le ts'ebetso ea tsona maemong a boima.
Outer Conductor: E sebetsa e le lera le sireletsang, conductor ea ka ntle hangata e na le khoele e lohiloeng ea koporo e kopantsoeng le foil ea aluminium. E sireletsa lets'oao ho tšitiso ea kantle ea motlakase (EMI). Lithapong tsa marine coaxial, sebopeho sa tšireletso se matlafatsoa bakeng sa khanyetso e kholo ea EMI le ts'ebetso e khahlanong le ho sisinyeha, ho netefatsa botsitso ba matšoao esita le maoatleng a leoatle.
Sheath: Lera le ka ntle le sireletsa thapo ho tsoa tšenyong ea mochini le ho pepesehela tikoloho. Sekhapetla sa thapo ea marine coaxial e tlameha ho ba e thibelang malakabe, e sa cheseheng, le e thibelang ho bola. Lisebelisoa tse tloaelehileng li kenyelletsalow smoke halogen-free (LSZH)polyolefin lePVC (polyvinyl chloride). Lisebelisoa tsena ha li khethoe feela bakeng sa thepa ea tsona ea tšireletso empa hape le ho lumellana le litekanyetso tse thata tsa tšireletso ea leoatleng.
Lithapo tsa marine coaxial li ka aroloa ka mekhoa e mengata:
Ka Sebopeho:
Coaxial cable e nang le thebe e le 'ngoe: E na le lesela le le leng la tšireletso (braid kapa foil) 'me e loketse maemo a tloaelehileng a ho fetisa matšoao.
Mohala oa coaxial o nang le lithebe tse peli: E na le foil ea aluminium le lithapo tsa terata tsa koporo tse tintsoeng, tse fanang ka tšireletso e ntlafalitsoeng ea EMI-e loketseng tikoloho e lerata la motlakase.
Armored coaxial cable: E eketsa terata ea tšepe kapa lesela la lihlomo la tšepe bakeng sa ts'ireletso ea mochini nakong ea khatello e matla kapa lits'ebetsong tse pepeneneng tsa leoatle.
Ka khafetsa:
Low-frequency coaxial cable: E etselitsoe mats'oao a maqhubu a tlase joalo ka data ea audio kapa ea lebelo le tlase. Lithapo tsena hangata li na le sekontiri se senyenyane le sekontiri se tšesaane.
High-frequency coaxial cable: E sebelisoa bakeng sa phetisetso ea mats'oao a maqhubu a phahameng joalo ka litsamaiso tsa radar kapa puisano ea sathelaete, hangata e nang le li-conductors tse kholoanyane le lisebelisoa tse phahameng tsa dielectric tse sa fetoheng ho fokotsa khatello le ho eketsa ts'ebetso.
Ka kopo:
Radar system coaxial cable: E hloka attenuation e tlase le khanyetso e phahameng ea EMI bakeng sa phetisetso e nepahetseng ea lets'oao la radar.
Satellite communication coaxial cable: E etselitsoe phetisetso ea nako e telele, ea maqhubu a holimo e hanyetsanang le mocheso o feteletseng.
Marine navigation system coaxial cable: E sebelisoa lits'ebetsong tse bohlokoa tsa ho sesa, e hlokang ts'epo e phahameng, ho hanyetsa ho sisinyeha, le ho hanyetsa ho bola ha letsoai.
Marine entertainment system coaxial cable: E fetisetsa mats'oao a seea-le-moea-pono ka har'a sekepe 'me e hloka botšepehi bo botle ba matšoao le ho hanyetsa tšitiso.
Litlhoko tsa Ts'ebetso:
Ho netefatsa ts'ebetso e bolokehileng le e ts'epahalang libakeng tsa leoatle, likhoele tsa marine coaxial li tlameha ho fihlela litlhoko tse 'maloa tse ikhethileng:
Letsoai Resistance: Letsoai le phahameng la tikoloho ea leoatle le baka khoholeho e matla. Marine coaxial cable lisebelisoa li tlameha ho hanela ho bola ha letsoai ho qoba ho senyeha ha nako e telele.
Electromagnetic Interference Resistance: Likepe li hlahisa EMI e matla ho tsoa litsing tse ngata tsa onboard. Lisebelisoa tse sireletsang ts'ebetso e phahameng le meaho ea lithebe tse peli li netefatsa phetiso e tsitsitseng ea matšoao.
Resistance Resistance: Ho tsamaea ka metsing ho baka ho thothomela kamehla. Mohala oa marine coaxial o tlameha ho ba matla ka mochini ho mamella motsamao o tsoelang pele le ho ts'oha.
Ho hanyetsa Mocheso: Ka mocheso ho tloha ho -40 ° C ho ea + 70 ° C ho pholletsa le libaka tse fapaneng tsa leoatle, thapo ea marine coaxial e tlameha ho boloka ts'ebetso e tsitsitseng tlas'a maemo a feteletseng.
Ho lieha ha Lelakabe: Ha ho ka ba le mollo, ho tuka ha thapo ha hoa lokela ho ntša mosi o feteletseng kapa likhase tse chefo. Ka hona, likhoele tsa marine coaxial li sebelisa lisebelisoa tse se nang mosi o tlase oa halogen tse lumellanang le IEC 60332 flame retardancy, le IEC 60754-1/2 le IEC 61034-1/2 mosi o tlase, litlhoko tsa mahala tsa halogen.
Ho feta moo, likhoele tsa marine coaxial li tlameha ho fihlela litekanyetso tse tiileng tsa setifikeiti ho tsoa ho International Maritime Organisation (IMO) le mekhatlo ea lihlopha tse kang DNV, ABS, le CCS, ho netefatsa ts'ebetso ea bona le polokeho lits'ebetsong tsa bohlokoa tsa leoatle.
Mabapi le LEFATŠE LE LE LENG
LEFATŠE LE LE MONG le ipapisitse le thepa e tala bakeng sa ho etsa terata le likhoele. Re fana ka thepa ea boleng bo holimo bakeng sa likhoele tsa coaxial, ho kenyelletsa tepi ea koporo, tepi ea aluminium foil Mylar, le metsoako ea LSZH, e sebelisoang haholo metsing, mehala le lisebelisoa tsa motlakase. Ka boleng bo ka tšeptjoang le tšehetso ea litsebi, re sebeletsa baetsi ba li-cable lefatšeng ka bophara.
Nako ea poso: May-26-2025