Waya wa aluminiyamu wopangidwa ndi mkuwa umapangidwa mwa kuphimba wosanjikiza wa mkuwa pamwamba pa core ya aluminiyamu, ndipo makulidwe a wosanjikiza wa mkuwa nthawi zambiri amakhala pamwamba pa 0.55mm. Chifukwa kutumiza kwa zizindikiro zama frequency apamwamba pa kondakitala kumakhala ndi mawonekedwe a khungu, chizindikiro cha TV cha chingwe chimatumizidwa pamwamba pa wosanjikiza wa mkuwa pamwamba pa 0.008mm, ndipo kondakitala wamkati wa aluminiyamu wopangidwa ndi mkuwa amatha kukwaniritsa zofunikira zotumizira chizindikiro.
1. Kapangidwe ka makina
Mphamvu ndi kutalika kwa ma conductor a mkuwa weniweni ndi kwakukulu kuposa ma conductor a aluminiyamu okhala ndi mkuwa, zomwe zikutanthauza kuti mawaya a mkuwa weniweni ndi abwino kuposa mawaya a aluminiyamu okhala ndi mkuwa pankhani ya mphamvu za makina. Malinga ndi kapangidwe ka chingwe, ma conductor a mkuwa weniweni ali ndi ubwino wokhala ndi mphamvu ya makina kuposa ma conductor a aluminiyamu okhala ndi mkuwa.
, zomwe sizikufunika kwenikweni pakugwiritsa ntchito. Choyendetsa aluminiyamu chokhala ndi mkuwa ndi chopepuka kwambiri kuposa mkuwa weniweni, kotero kulemera konse kwa chingwe cha aluminiyamu chokhala ndi mkuwa ndi kopepuka kuposa kwa chingwe cha choyendetsa cha mkuwa weniweni, zomwe zimapangitsa kuti chingwecho chikhale chosavuta kunyamula ndi kupanga. Kuphatikiza apo, aluminiyamu yokhala ndi mkuwa ndi yofewa kuposa mkuwa weniweni, ndipo zingwe zopangidwa ndi zoyendetsa aluminiyamu zokhala ndi mkuwa ndi zabwino kuposa zingwe zamkuwa zenizeni pankhani yosinthasintha.
II. Makhalidwe ndi Mapulogalamu
Kukana Moto: Chifukwa cha kukhalapo kwa chivundikiro chachitsulo, zingwe zowunikira zakunja zimasonyeza kukana moto bwino kwambiri. Chitsulocho chimatha kupirira kutentha kwambiri ndikulekanitsa bwino malawi, kuchepetsa mphamvu ya moto pamakina olumikizirana.
Kutumiza Maulendo Ataliatali: Ndi chitetezo champhamvu chakuthupi komanso kukana kusokonezedwa, zingwe zowunikira zakunja zimatha kuthandizira kutumiza ma signal a kuwala akutali kwambiri. Izi zimapangitsa kuti zikhale zothandiza kwambiri pazochitika zomwe zimafuna kutumiza deta yambiri.
Chitetezo Chapamwamba: Zingwe zowunikira zakunja zimatha kupirira ziwopsezo zakuthupi ndi kuwonongeka kwakunja. Chifukwa chake, zimagwiritsidwa ntchito kwambiri m'malo omwe ali ndi zofunikira zambiri zachitetezo cha netiweki, monga malo ankhondo ndi mabungwe aboma, kuti zitsimikizire kuti netiweki ndi yotetezeka komanso yodalirika.
2. Katundu wamagetsi
Popeza mphamvu ya aluminiyamu ndi yoipa kuposa ya mkuwa, mphamvu ya DC ya ma conductor a aluminiyamu okhala ndi mkuwa ndi yayikulu kuposa ya ma conductor a mkuwa weniweni. Kaya izi zimakhudza chingwe makamaka zimatengera ngati chingwecho chidzagwiritsidwa ntchito popereka magetsi, monga mphamvu ya ma amplifiers. Ngati chikugwiritsidwa ntchito popereka magetsi, conductor wa aluminiyamu wokhala ndi mkuwa adzawonjezera mphamvu ndipo magetsi adzatsika kwambiri. Pamene ma frequency apitirira 5MHz, kuchepa kwa mphamvu ya AC panthawiyi sikuli ndi kusiyana koonekeratu pansi pa ma conductor awiri osiyanawa. Zachidziwikire, izi zimachitika makamaka chifukwa cha zotsatira za khungu la high-frequency current. Ma frequency akakwera, mphamvu yamagetsi imayandikira pamwamba pa conductor. Pamene ma frequency afika pamlingo winawake, mphamvu yonse yamagetsi imalowa muzinthu zamkuwa. Pa 5MHz, mphamvu yamagetsi imayenda mu makulidwe a pafupifupi 0.025mm pafupi ndi pamwamba, ndipo makulidwe a copper layer a conductor wa aluminiyamu wokhala ndi mkuwa ndi pafupifupi kawiri makulidwe awa. Pa zingwe za coaxial, chifukwa chizindikiro chotumizidwa chili pamwamba pa 5MHz, mphamvu ya transmission ya ma conductor a aluminiyamu okhala ndi mkuwa ndi ma conductor a copper ndi ofanana. Izi zitha kutsimikiziridwa ndi kuchepa kwa chingwe choyesera chenicheni. Aluminiyamu yokhala ndi mkuwa ndi yofewa kuposa ma conductors amkuwa, ndipo ndi yosavuta kuwongoka popanga. Chifukwa chake, pamlingo winawake, tinganene kuti index yotayika ya zingwe pogwiritsa ntchito aluminiyamu yokhala ndi mkuwa ndi yabwino kuposa ya zingwe pogwiritsa ntchito ma conductors amkuwa.
3. Zachuma
Ma conductor a aluminiyamu okhala ndi mkuwa amagulitsidwa potengera kulemera kwake, monganso ma conductor a aluminiyamu okhala ndi mkuwa, ndipo ma conductor a aluminiyamu okhala ndi mkuwa ndi okwera mtengo kuposa ma conductor a aluminiyamu okhala ndi kulemera komweko. Koma aluminiyamu yokhala ndi mkuwa yokhala ndi kulemera komweko ndi yayitali kwambiri kuposa conductor wa aluminiyamu wokhala ndi mkuwa, ndipo chingwecho chimawerengedwa potengera kutalika kwake. Kulemera komweko, waya wa aluminiyamu wokhala ndi mkuwa ndi wokulirapo nthawi 2.5 kuposa waya wa aluminiyamu wokhala ndi mkuwa, mtengo wake ndi wokwera ndi ma yuan mazana angapo pa tani. Ponseponse, aluminiyamu yokhala ndi mkuwa ndi yopindulitsa kwambiri. Chifukwa chingwe cha aluminiyamu chokhala ndi mkuwa ndi chopepuka, ndalama zoyendera ndi zoyikira chingwecho zidzachepetsedwa, zomwe zipangitsa kuti ntchito yomanga ikhale yosavuta.
4. Kusamalira mosavuta
Kugwiritsa ntchito aluminiyamu yokhala ndi mkuwa kungathandize kuchepetsa kulephera kwa netiweki ndikupewa tepi ya aluminiyamu yokhala ndi waya wopindika kapena zinthu za aluminiyamu zomwe zimakhala ndi waya wopindika. Chifukwa cha kusiyana kwakukulu kwa kuchuluka kwa kutentha pakati pa conductor wamkati wa mkuwa ndi conductor wakunja wa aluminiyamu, conductor wakunja wa aluminiyamu amatambasuka kwambiri nthawi yotentha yachilimwe, conductor wamkati wa mkuwa amakhala wocheperako ndipo sangagwirizane kwathunthu ndi chidutswa cholumikizira chotanuka chomwe chili pampando wa mutu wa F; nthawi yozizira kwambiri, conductor wakunja wa aluminiyamu amachepa kwambiri, zomwe zimapangitsa kuti gawo loteteza ligwe. Pamene chingwe cha coaxial chikugwiritsa ntchito conductor wamkati wa aluminiyamu yokhala ndi mkuwa, kusiyana kwa kuchuluka kwa kutentha pakati pake ndi conductor wakunja wa aluminiyamu kumakhala kochepa. Kutentha kukasintha, vuto la pakati pa chingwe limachepa kwambiri, ndipo mtundu wa kutumiza kwa netiweki umawonjezeka.
Zomwe zili pamwambapa ndi kusiyana kwa magwiridwe antchito pakati pa waya wa aluminiyamu wokhala ndi mkuwa ndi waya wa mkuwa weniweni.
Nthawi yotumizira: Januwale-04-2023