Kupesvedzera kweganda maitiro pane coaxial tambo

Coaxial tambo imhando yewaya yemagetsi uye mutsara wekutumira chiratidzo, kazhinji inogadzirwa nezvikamu zvina zvezvinhu: iyo yemukati-kati ndeye conductive mhangura waya, uye yekunze tambo yakakomberedzwa nedhizaini yepurasitiki (inoshandiswa se insulator kana dielectric. ). Kune zvakare mesh yakatetepa ye conductive zvinhu (kazhinji mhangura kana alloy) kunze kweiyo insulator, uye yekunze layer ye conductive zvinhu inoshandiswa seganda rekunze, sezvakaratidzwa mumufananidzo 1, Mufananidzo 2 inoratidza muchinjiko-chikamu che coaxial. cable.

Coaxial tambo dzinoshandiswa kufambisa masaini akakwira-frequency uye ane yakanakisa anti-kukanganisa kugona nekuda kwechimiro chayo chakasiyana. Sechikamu chakakosha chemaitiro emazuva ano ekutaurirana, ndiyo tsinga yekufambiswa kwechiratidzo chepamusoro-frequency; Pakati pavo, iyo yepakati conductor haingotakure magetsi emagetsi, asi zvakare inotarisisa kugona uye kugadzikana kweiyo chiratidzo chekufambisa, uye chikamu chakakosha chekufambisa kwechiratidzo.

Working principle:

Coaxial tambo dzinoita alternating ikozvino panzvimbo yakananga ikozvino, zvichireva kuti kune akati wandei anodzoserwa munzira yezvino pasekondi.

Kana waya yenguva dzose ichishandiswa kuendesa yakakwira-frequency ikozvino, iyi mhando yewaya ichaita senge antenna inoburitsa masaini eredhiyo kunze, zvichikonzera kurasikirwa kwesimba rechiratidzo uye kuderera kwesimba rechiratidzo chinogamuchirwa.

Dhizaini yekoaxial tambo ndeyekunyatso kugadzirisa dambudziko iri. Radhiyo inoburitswa newaya yepakati inoparadzaniswa nemesh conductive layer, iyo inogona kudzora redhiyo inoburitswa kuburikidza nekudzika.

Classification:

Zvichienderana nekugadzirwa kwezvinhu uye maitirwo, kazhinji pane anotevera mapoka:

● Monofilament Solid Conductor:

Kazhinji yakagadzirwa nemhangura imwechete yakasimba kana aluminium waya;

Inopa kuita zvirinani magetsi uye inowanzoshandiswa kune yakaderera frequency application kana kureba tambo madaro

● Stranded Conductor:

Nehuwandu hwewaya diki yakamonwa;

Yakanyanya kuchinjika uye inochinjika kupfuura yakasimba makondakita, akakodzera nharembozha kana anogara achichinja maapplication.

● Copper-clad Steel (CCS) :

Nheyo yesimbi inopa simba uye kusimba, nepo mhangura yemhangura inopa zvinhu zvinodiwa zvemagetsi;

Inowanzoshandiswa muzviitiko apo simba remagetsi rinodiwa.

● Silver-plated Copper:

Taya yemhangura yakafukidzwa nejira resirivheri, iyo inogona kuvandudza conductivity uye frequency maitiro e conductor.

Inowanzo shandiswa muhuwandu hwepamusoro, hutsanana hwepamusoro kana chiyero chemauto zvinodiwa.

● Cadmium Copper alloy:

Alloy conductor for offshore kana hutsinye kwezvakatipoteredza zvikumbiro panodiwa kuwedzera corrosion kuramba;

Material mapfupikiso legend-Conductor&Braid Material sezvakaratidzwa muFigure 3.

Skin effect

Iyo ganda mhedzisiro, inozivikanwawo seyeganda maitiro, inoitika kana alternating ikozvino inopfuura nepa conductor. Pamusana pekupinza, iyo iri pedyo nechepamusoro pamuchinjikwa-chikamu che conductor, denser kugoverwa kwema electrons.

Iyo ganda mhedzisiro ndeye chiitiko chekusaenzana kugovera kwe AC ikozvino mukati me conductor. Sezvo kuwanda kunowedzera, ikozvino inowanzoyerera pamusoro pepamusoro pe conductor. Pama microwave frequency, izvi zvinonyanya kutaurwa, zvichikonzera kuwanda kwepamusoro-soro pamusoro peiyo yepakati conductor yecoaxial tambo kupfuura mukati.

△ Ganda mhedzisiro inokanganisa coaxial tambo mune zvinotevera zvinhu:

① Kuwedzera kuramba uye kurasikirwa - Nekuti ikozvino inonyanya kuyerera pamusoro, iyo yakazara inoshanda conductive nzvimbo inodzikiswa, ichiita iyo yepakati conductor yecoaxial tambo ibudise kupikisa kukuru, nekudaro ichiwedzera kurasikirwa kwekutapurirana.

② Kupisa - Iyo yazvino inokonzerwa neiyo yakakwira frequency chiratidzo inonangana mukuyerera kwepamusoro, iyo inotungamira kune yakajeka kupisa mhedzisiro, nekudaro kuwedzera tembiricha yetambo uye kukanganisa kugadzikana uye kuvimbika kwechiratidzo.

③ Kusarudzwa kwezvinhu - Kana uchigadzira coaxial tambo, conductivity yepakati conductor zvinhu zvinofanirwa kutariswa. Yakakwirira conductivity zvinhu zvakadai sesirivha mhangura plating inogona kunyatso deredza kupikisa uye kuderedza kurasikirwa.

△Kudzikamisa kukanganisa kweganda, mazano ekugadzirisa ganda anosanganisira:

① Material optimization - kusarudza yakakwira conductivity zvinhu kuderedza kurasikirwa kwekupokana. Semuyenzaniso, kushandisa sirivha akaputirwa mhangura conductors, sirivheri layer inogona kupa yakakwira conductivity, uye nekuda kweganda mhedzisiro, ukobvu hwesirivha hunongoda mashoma mamicrometer.

② Conductor Dhizaini - Kukwenenzvera chimiro chemakondakita, sekushandisa stranded conductor, inogona kuwedzera nzvimbo uye kuderedza ganda.

③ Kutonhodza Sisitimu - Kune yakanyanya kukwirisa frequency application, shandisa yakakodzera kutonhora system kudzivirira kupisa.

④ Customized Cable - Gadzirisa tambo dhizaini zvichienderana nezvinodiwa zvekushandisa, uchifunga nezvakawanda zvinhu zvakaita se frequency, nhanho yemagetsi, uye kureba kwekufambisa.

Pakazere, kunzwisisa uye kutonga maitiro eganda kwakakosha pakuita kuti ive nechokwadi chekuita kweyepamusoro-frequency chiratidzo chekufambisa mukati.coaxial cables . Kuburikidza nehungwaru dhizaini uye nekushandiswa kwezvinhu zvemhando yepamusoro, coaxial transmisheni mitsara inogona kushanda nemazvo, nekudaro ichitsigira kukurumidza kusimudzira zvido zvedu zvekutaurirana. Ndidzo sarudzo idzi dzinoona kuti chiratidzo chega chega, kubva pasireya waya kutaurirana kusvika kune setiraiti kutapurirana, inogona kufambiswa zvakajeka uye nekuvimbika munzvimbo dzakaoma uye dzakaoma.