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Iyo huru tekinoroji hwaro hwekusarudza coaxial tambo kune chimwe chinangwa ndeye magetsi emagetsi, mechanical zvimiro uye hunhu hwezvakatipoteredza.Mune dzimwe nzvimbo, kushanda kwemoto kunokosha zvakare.Zvose izvi zvinhu zvinoenderana netambo yetambo uye zvinhu zvinoshandiswa.
Iwo akanyanya kukosha emagetsi zvimiro zvetambo attenuation yakaderera, yunifomu impedance, yakakwira kudzoka kurasikirwa, uye yakakosha poindi yetambo yekudonha ndiko kurasikirwa kwayo kwekubatanidza.Iyo inonyanya kukosha yemagetsi zvinhu ndeye flexural properties (kunyanya pakudziya kwakadzika), simba rekusimba, simba rekumanikidza uye kupfeka kuramba.Cables dzinofanirwawo kukwanisa kumira kushushikana kwezvakatipoteredza panguva yekufambisa, kuchengetedza, kuisa uye kushandisa.Masimba aya anogona kunge ari kukonzerwa nemamiriro ekunze, kana kuti anogona kunge ari mugumisiro wemakemikari kana ecology.Kana iyo tambo yakaiswa munzvimbo ine yakakwirira kuchengetedzwa kwemoto zvinodiwa, kushanda kwayo kwemoto kunokoshawo zvakanyanya, pakati pezvitatu zvinonyanya kukosha ndezvi: kunonoka kupisa, hutsi hwehutsi uye halogen gasi kusunungurwa.

Basa guru retambo nderokutumira zviratidzo, saka zvakakosha kuti tambo yetambo uye zvinhu zvinopa maitiro akanaka ekufambisa kwehupenyu hwose hwetambo, iyo ichakurukurwa zvakadzama pasi apa.
1. Inner conductor
Mhangura ndiyo chinhu chikuru chemukati conductor, chinogona kunge chiri mune anotevera mafomu: annealed mhangura waya, annealed mhangura chubhu, mhangura coated aluminium waya.Kazhinji, conductor yemukati yetambo diki waya yemhangura kana copper-clad aluminum waya, nepo tambo huru dzinoshandisa machubhu emhangura kuderedza huremu hwetambo uye mutengo.Iyo hombe tambo yekunze conductor ine mitsetse, kuitira kuti yakanaka yekukotama kuita inogona kuwanikwa.
Muitisi wemukati ane simba guru pakufambisa kwechiratidzo nokuti kuderedzwa kunonyanya kukonzerwa nekurasikirwa kwekupikisa kwemukati conductor.Iyo conductivity, kunyanya iyo yepasi conductivity, inofanirwa kunge yakakwira zvakanyanya sezvinobvira, uye iyo inodiwa ndeye 58MS/m (+ 20 ℃), nekuti panguva yakakwira frequency, ikozvino inongoparidzirwa mumucheka mutete pane conductor surface, ichi chiitiko. inonzi skin effect, uye kukora kunobudirira kwechitubu chazvino kunonzi kudzika kweganda.Tafura 1 inoratidza hudzamu hweganda hwemachubhu emhangura uye copper-clad aluminium waya semukati maconductor pane chaiwo ma frequency.
Hunhu hwemhangura hunoshandiswa mumugadziri wemukati hwakakwirira kwazvo, zvinoda kuti zvinhu zvemhangura zvinofanira kunge zvisina tsvina, uye nzvimbo yacho yakachena, yakatsetseka uye yakatsetseka.Iyo yemukati conductor dhayamita inofanira kunge yakagadzikana nediki kushivirira.Chero shanduko mudhayamita inoderedza impedance kufanana uye kurasikirwa kwekudzoka, saka maitiro ekugadzira anofanirwa kudzorwa nemazvo.

2. Outer conductor
Kondakita yekunze ine mabasa maviri akakosha: yekutanga ibasa reiyo loop conductor, uye yechipiri ibasa rekudzivirira.Iyo yekunze conductor yetambo inobvinza inotarisisawo kuita kwayo kunobvinza.Iyo yekunze conductor yecoaxial feeder tambo uye iyo super inochinjika tambo inosungirirwa nepombi yemhangura yakakungurutswa.Iyo yekunze conductor yetambo idzi yakavharwa zvachose, iyo isingabvumiri chero radiation kubva kune tambo.
Kondakita wekunze kazhinji akafukidzwa kwenguva refu nematepi emhangura.Kune longitudinal kana transverse notches kana maburi ari ekunze conductor layer.Grooving yekunze conductor kwakajairika mune corrugated cable.Iyo corrugation peaks inoumbwa ne equidistant yekucheka grooves pamwe neaxial direction.Chikamu chechikamu chakachekwa idiki, uye iyo slot spacing idiki zvakanyanya pane inofambiswa yemagetsi wave kureba.
Zviripachena, iyo isingabvisi tambo inogona kugadzirwa kuita tambo inovuza nekuigadzira sezvizvi: iyo yekunze conductor wave peak yeyakajairika corrugated tambo muiyo isina-leaky tambo inochekwa paAngle ye120 madhigirii kuti iwane seti yakakodzera. slot structure.
Chimiro, hupamhi uye slot chimiro che leaky tambo inosarudza mashandiro ayo index.
Iyo mhangura yemhangura yekunze conductor inofanirawo kuva yehutano hwakanaka, ine high conductivity uye isina tsvina.Iyo yekunze conductor saizi inofanirwa kunyatso kudzorwa mukati meiyo yekushivirira renji kuti ive nechokwadi yunifomu hunhu impedance uye yakakwirira kudzoka kurasikirwa.
Zvakanakira welding yekunze conductor yemhangura yakakungurutswa chubhu ndeiyi anotevera:
Yakavharirwa zvachose Iyo yakadzivirirwa zvachose yekunze conductor iyo isina mwaranzi uye inodzivirira hunyoro kubva pakupinda.
Inogona kusapinda mvura kwenguva refu nekuda kwemaringi
Iyo mechanical properties yakanyatsogadzikana
High mechanical simba
Excellent bending performance
Kubatana kuri nyore uye kwakavimbika
Iyo yepamusoro inochinjika tambo ine diki yekubhenda radius nekuda kweyakadzika spiral corrugation

3, insulating medium
Rf coaxial tambo yepakati iri kure nekungotamba basa rekuvharisa, iyo yekupedzisira yekufambisa dhizaini inonyanya kutemwa mushure mekuvhara, saka sarudzo yepakati zvinhu uye chimiro chayo chakakosha.Zvese zvakakosha zvivakwa, senge attenuation, impedance uye kurasikirwa kwekudzoka, zvinoenderana zvakanyanya nekudzivirira.
Izvo zvinonyanya kukosha zvinodiwa zve insulation ndezvi:
Yakaderera hama dielectric inogara uye diki dielectric kurasikirwa Angle factor kuve nechokwadi kudiki attenuation
Iyo dhizaini inowirirana kuti ive nechokwadi yunifomu impedance uye yakakura echo kurasikirwa
Yakagadzikana ma mechanical zvivakwa kuti uve nechokwadi chehupenyu hurefu
isina mvura
Muviri wakakwira furo insulation inogona kuzadzisa zvese zviri pamusoro zvinodiwa.Iine advanced extrusion uye gasi jekiseni tekinoroji uye yakakosha zvinhu, iyo dhigirii yekupupa inogona kusvika kupfuura 80%, saka kuita kwemagetsi kuri padyo nemhepo yekuvharisa tambo.Mune iyo gasi jekiseni nzira, nitrogen inobaiwa yakananga mune yepakati zvinhu mune extruder, iyo inozivikanwa zvakare seyo yemuviri foaming nzira.Kuenzaniswa neiyi kemikari yekupupa nzira, dhigirii rayo rekupupa rinogona kungosvika 50%, kurasikirwa kwepakati kwakakura.Iyo foam chimiro chinowanikwa negasi jekiseni nzira inopindirana, zvinoreva kuti impedance yayo yakafanana uye kurasikirwa kweecho kwakakura.
Tambo dzedu dzeRF dzine zvinhu zvakanaka zvemagetsi nekuda kwediki dielectric kurasikirwa Angle uye hombe yekupupa dhigirii rezvidziviriro.Hunhu hwehuputi hwepakati hunonyanya kukosha pane yakakwirira frequency.Ndiyo iyi yakakosha kupupa chimiro inotaridza kuderera kwakanyanya kwekuita kwetambo pane yakakwirira frequencies.
Unique MULTI-LAYER insulation (INNER THIN LAYER - FOAMING layer - yekunze yakaonda layer) co-extrusion process inogona kuwana yunifomu, yakavharwa furo chimiro, ine yakagadzikana michina zvimiro, yakakwirira simba uye yakanaka kunyorova kuramba uye humwe hunhu.Kuti tiite kuti tambo irambe ichichengetedza kuita kwakanaka kwemagetsi munzvimbo ine hunyoro, isu takanyatso gadzira mhando yetambo: yakatetepa yeyakasimba core PE inowedzerwa pamusoro peiyo furo insulation layer.Iyi nhete yekunze inodzivirira kupindira kwehunyoro uye inodzivirira kushanda kwemagetsi kwetambo kubva pakutanga kwekugadzira.Magadzirirwo aya akanyanya kukosha kune tambo dzinodonha dzine maconductor ekunze ane perforated.Mukuwedzera, iyo yekudzivirira inoputirwa zvakasimba kumativi emukati conductor nemucheka mutete wemukati, iyo inowedzera kuvandudza mechanical kugadzikana kwetambo.Uyezve, iyo yakatetepa layer ine yakakosha stabilizer, iyo inogona kuve nechokwadi kuenderana nemhangura uye kuve nechokwadi chehupenyu hurefu hwesevhisi yetambo yedu.Sarudza yakakodzera yemukati yakatetepa layer zvinhu, inogona kuwana inogutsa zvimiro, senge: kunyorova, kunamatira uye kugadzikana.
Iyi yakawanda-layer insulation dhizaini (yakatetepa yemukati layer - foam layer - yakatetepa yekunze layer) inogona kuwana ese akanakisa emagetsi zvivakwa uye yakagadzikana michina zvivakwa, nekudaro inovandudza hupenyu hwenguva refu sevhisi uye kuvimbika kwetambo dzedu dzeRF.

4, hombe
Iyo inonyanya kushandiswa sheath zvinhu zvekunze tambo ndeye dema linear yakaderera-density polyethylene, ine density yakafanana neLDPE asi simba rinoenzaniswa neHDPE.Pane kudaro, mune dzimwe nguva, isu tinosarudza HDPE, iyo inopa zvirinani zvemichina zvivakwa uye kuramba kukweshana, chemistry, hunyoro, uye akasiyana mamiriro ezvakatipoteredza.
Uv-uchapupu dema HDPE inogona kumira kushushikana kwemamiriro ekunze senge tembiricha yakanyanya uye yakanyanyisa UV mwaranzi.Kana uchisimbisa kuchengetedzwa kwemoto kwetambo, hutsi hwepasi halogen-isina murazvo wemoto retardant zvinhu zvinofanirwa kushandiswa.Mune tambo dzinoputika, kuitira kuti kuderedze kupararira kwemoto, tepi inodzivirira moto inogona kushandiswa pakati pekunze conductor uye sheath kuchengetedza jira rekudzivirira iro riri nyore kunyunguduka mutambo.

5, kuita moto
Tambo dzinobvinza dzinowanzoiswa munzvimbo dzine kuchengetedzwa kwemoto zvakanyanya.Kuchengetedzwa kwetambo yakaiswa kune chekuita nekushanda kwemoto kwetambo pachayo uye nzvimbo yekuisa.Kupisa, hutsi hwehutsi uye kuburitswa kwehalogen gasi zvinhu zvitatu zvakakosha zvine chekuita netambo yemoto kuita.
Kushandiswa kwemurazvo unodzoreredza sheathing uye kushandiswa kwebhandi rekuzviparadzanisa nemoto kana uchipfuura nepamadziro kunogona kudzivirira murazvo kuti usapararire pamwe netambo.Iyo yakaderera kupisa bvunzo ndeye vertical combustion bvunzo yetambo imwe chete zvinoenderana neIEC332-1 chiyero.Tambo dzese dzemumba dzinofanirwa kusangana nezvinodiwa izvi.Izvo zvakanyanya kuomesesa zvinodiwa zvinoenderana neIEC332-5 yakajairwa bundle combustion bvunzo.Mumuedzo uyu, tambo dzinopiswa dzakadzika mumasumbu, uye kureba kwekupisa hakubvumidzwe kudarika kukosha kwakatarwa.Huwandu hwetambo hunoenderana neiyo test cable specifications.Hutsi hwehutsi panguva yekupisa tambo inofanirawo kutariswa.Chiutsi chine kuoneka kushoma, hwema hunonhuwa, uye zviri nyore kukonzera matambudziko ekufema uye kutya, saka zvinounza matambudziko ekununura uye kudzima moto.Hutsi hwehutsi hwetambo dzehutsi hunoyedzwa zvichienderana nehukuru hwekufambiswa kwemwenje weIEC 1034-1 uye IEC 1034-2, uye kukosha kwakajairika kwekufambiswa kwemwenje kune tambo dzepasi-pasi yakakura kupfuura 60%.
PVC inogona kusangana nezvinodiwa zveIEC 332-1 uye IEC 332-3.Iyo yakajairika uye yechinyakare sheath zvinhu zvemukati tambo, asi haina kunaka uye inogona kukonzera rufu nyore kana uchifunga nezvekuchengetedza moto.Kana inopisa kune imwe tembiricha yakakwira, PVC inoshatisa uye inoburitsa halogen acids.Kana iyo PVC sheathed tambo ichipiswa, 1 kg yePVC inoburitsa 1 kg yehalogen acid ine denderedzwa re30% kusanganisira mvura.Nekuda kweiyi corro uye muchetura hunhu hwePVC, kudiwa kwehalogen-yemahara tambo kwakawedzera zvakanyanya mumakore achangopfuura.Huwandu hwehalogen hunoyerwa zvinoenderana neIEC 754-1 yakajairwa.Kana huwandu hwehalogen acid yakaburitswa nezvinhu zvese panguva yekupisa haipfuure 5mg / g, tambo inoonekwa sehalogen isina.
Halogen-isina flame retardant (HFFR) tambo sheath zvinhu zvinowanzove polyolefin makomisheni ane mamineral fillers, akadai sealuminium hydroxide.Aya mafirita anoputsika pamoto, achigadzira aluminium oxide uye mhute yemvura, izvo zvinomisa moto kuti usapararire.Zvigadzirwa zvekupisa zvekuzadza uye polymer matrix hazvisi-chepfu, halogen yemahara uye yakaderera utsi.
Kuchengetedza moto panguva yekuisa tambo kunosanganisira zvinotevera zvinhu:
Kumagumo ekupinda kwetambo, tambo dzekunze dzinofanirwa kusungirirwa kune tambo dzinodzivirira moto
Dzivisa kuiswa mumakamuri uye nzvimbo dzine ngozi yemoto
Iyo inodzivirira moto kuburikidza nemadziro inofanira kukwanisa kupisa kwenguva yakareba yakakwana uye ine kupisa kwekudzivirira uye kusimba kwemhepo
Chengetedzo yakakoshawo panguva yekuiswa