Ucingo lwe-aluminiyam olugqunywe ngobhedu lwenziwa ngokugqunywa ngocoselelo umaleko wobhedu phezu komphezulu we-aluminiyam, kwaye ubukhulu bomaleko wobhedu ngokubanzi bungaphezulu kwe-0.55mm. Ngenxa yokuba ukudluliselwa kwemiqondiso ye-frequency ephezulu kwi-conductor kuneempawu zesiphumo sesikhumba, isignali yeTV yekhebula idluliselwa kumphezulu womaleko wobhedu ngaphezu kwe-0.008mm, kwaye umqhubi wangaphakathi we-aluminiyam ogqunywe ngobhedu unokuhlangabezana ngokupheleleyo neemfuno zokudluliselwa kwesignali.
1. Iimpawu zoomatshini
Amandla kunye nokwandiswa kwee-conductors ze-copper ezicocekileyo kukhulu kunee-conductors ze-aluminium ezigqunywe yi-copper, oko kuthetha ukuba iingcingo ze-copper ezicocekileyo zingcono kunee-aluminium ezigqunywe yi-copper ngokweempawu ze-mechanical. Ngokwembono yoyilo lweentambo, ii-conductors ze-copper ezicocekileyo zineengenelo zokuba namandla angcono e-mechanical kunee-conductors ze-aluminium ezigqunywe yi-copper.
, ezinganyanzelekanga ukuba zisetyenziswe ngokoqobo. Umqhubi we-aluminium ogqunywe ngobhedu ukhaphukhaphu kakhulu kunobhedu olucocekileyo, ngoko ke ubunzima bekhebula le-aluminium eligqunywe ngobhedu bukhaphukhaphu kunobo bekhebula le-copper conductor elicocekileyo, nto leyo eya kwenza kube lula ukuthuthwa nokwakhiwa kwekhebula. Ukongeza, i-aluminium egqunywe ngobhedu ithambile kunobhedu olucocekileyo, kwaye iintambo ezenziwe ngee-conductor ze-aluminium ezigqunywe ngobhedu zingcono kuneentambo ze-copper ezicocekileyo ngokubhekiselele ekuguquguqukeni.
II. Iimpawu kunye nosetyenziso
Ukumelana Nomlilo: Ngenxa yokuba kukho isheya yesinyithi, iintambo ze-optical zangaphandle zibonisa ukumelana okuhle komlilo. Izinto zesinyithi zinokumelana nobushushu obuphezulu kwaye ziwahlukanise ngempumelelo amalangatye, zinciphisa impembelelo yomlilo kwiinkqubo zonxibelelwano.
Ukudluliselwa Komgama Omde: Ngokhuseleko oluphuculweyo lomzimba kunye nokumelana nokuphazamiseka, iintambo ze-optical zangaphandle zinokuxhasa ukudluliselwa kwesignali ye-optical kumgama omde. Oku kuzenza zibe luncedo kakhulu kwiimeko ezifuna ukudluliselwa kwedatha ebanzi.
Ukhuseleko Oluphezulu: Iintambo ze-optical zangaphandle zinokumelana nokuhlaselwa ngokwasemzimbeni kunye nomonakalo wangaphandle. Ngenxa yoko, zisetyenziswa kakhulu kwiindawo ezineemfuno eziphezulu zokhuseleko lwenethiwekhi, njengeziseko zomkhosi kunye namaziko karhulumente, ukuqinisekisa ukhuseleko kunye nokuthembeka kwenethiwekhi.
2. Iipropati zombane
Ngenxa yokuba i-conductivity ye-aluminium imbi kakhulu kuneyobhedu, ukumelana kwe-DC kwee-conductors ze-aluminium ezifakwe i-copper-clad kukhulu kunoko kwee-conductors ze-copper pure. Ukuba oku kuyayichaphazela intambo kuxhomekeke ekubeni intambo iza kusetyenziselwa umbane na, njengombane wee-amplifier. Ukuba isetyenziselwa umbane, i-conductor ye-aluminium efakwe i-copper-clad iya kubangela ukusetyenziswa kwamandla okongezelelweyo kwaye i-voltage iya kwehla ngakumbi. Xa i-frequency idlula i-5MHz, ukuncitshiswa kokumelana kwe-AC ngeli xesha akukho mahluko ucacileyo phantsi kwezi -conductors zimbini ezahlukeneyo. Ewe, oku kungenxa yesiphumo sesikhumba se-high-frequency current. Okukhona i-frequency iphezulu, kokukhona i-current isondela kumphezulu we-conductor. Xa i-frequency ifikelela kwinqanaba elithile, yonke i-current ihamba kwizinto ze-copper. Kwi-5MHz, i-current ihamba ngobukhulu obumalunga ne-0.025mm kufutshane nomphezulu, kwaye ubukhulu bomaleko we-copper we-conductor ye-aluminium efakwe i-copper-clad buphindwe kabini kobu bukhulu. Kwiintambo ze-coaxial, kuba isignali edluliselweyo ingaphezulu kwe-5MHz, isiphumo sokudluliselwa kwee-conductors ze-aluminium ezifakwe i-copper-clad kunye nee-conductors ze-copper pure siyafana. Oku kunokubonakaliswa kukuncitshiswa kwentambo yovavanyo yokwenyani. I-aluminium egqunywe ngethusi ithambile kunee-copper copper conductors, kwaye kulula ukuyilungisa kwinkqubo yemveliso. Ke ngoko, ukuya kwinqanaba elithile, kunokuthiwa i-return loss index yee-cables ezisebenzisa i-copper-clad aluminium ingcono kunee-cables ezisebenzisa ii-copper conductors ezicocekileyo.
3. Ezoqoqosho
Ii-conductors ze-aluminium ezifakwe ithusi zithengiswa ngobunzima, njengoko kunjalo nangezi-conductors ze-copper ezicocekileyo, kwaye ii-conductors ze-aluminium ezifakwe ithusi zibiza kakhulu kunee-conductors ze-copper ezicocekileyo ezinobunzima obufanayo. Kodwa i-aluminium efakwe ithusi enobunzima obufanayo inde kakhulu kune-conductor ye-copper ecocekileyo, kwaye intambo ibalwa ngobude. Ubunzima obufanayo, intambo ye-aluminium efakwe ithusi iphindwe ka-2.5 ubude bentambo ye-copper ecocekileyo, ixabiso lingaphezulu ngama-yuan ambalwa kuphela ngetoni nganye. Xa zizonke, i-aluminium efakwe ithusi iluncedo kakhulu. Ngenxa yokuba intambo ye-aluminium efakwe ithusi ilula, iindleko zokuthutha kunye neendleko zokufakela intambo ziya kuncitshiswa, nto leyo eya kuzisa lula ulwakhiwo.
4. Ukulula kokugcinwa
Ukusetyenziswa kwe-aluminium egqunywe ngobhedu kunokunciphisa ukusilela kwenethiwekhi kwaye kuthintele iimveliso zekhebula ze-coaxial ezigqunywe ngobude okanye ngetyhubhu ye-aluminium. Ngenxa yomahluko omkhulu kwi-coefficient yokwandiswa kobushushu phakathi komqhubi wangaphakathi wobhedu kunye nomqhubi wangaphandle we-aluminium wekhebula, umqhubi wangaphandle we-aluminium wolula kakhulu ehlotyeni elishushu, umqhubi wangaphakathi wobhedu urhoxile kwaye akanakuqhagamshelana ngokupheleleyo neqhekeza loqhagamshelwano oluthambileyo kwisihlalo sentloko se-F; ebusika obubandayo kakhulu, umqhubi wangaphandle we-aluminium uyancipha kakhulu, nto leyo ebangela ukuba umaleko wokukhusela uwe. Xa ikhebula le-coaxial lisebenzisa umqhubi wangaphakathi we-aluminium egqunywe ngobhedu, umahluko kwi-coefficient yokwandiswa kobushushu phakathi kwalo kunye nomqhubi wangaphandle we-aluminium uncinci. Xa ubushushu butshintsha, isiphene se-core yekhebula sincipha kakhulu, kwaye umgangatho wokudluliselwa kwenethiwekhi uyaphucuka.
Oku kungentla ngumahluko wokusebenza phakathi kocingo lwe-aluminiyam olugqunywe yikopolo kunye nocingo lwekopolo olucocekileyo
Ixesha lokuthumela: Jan-04-2023