Satellite TV tuaj yeem ncav cuag qhov chaw deb tshaj plaws ntawm lub ntiaj teb, qhov twg tsis muaj ib txwm muab kev pabcuam thiab tshaj tawm cov yees. Cov txheej txheem compact muaj tuaj yeem ntsia tau rau txhua qhov chaw. Lub phaj satellite muab nws cov xim thiab cov duab meej. Cov kab hluav taws xob uas siv rau satellite TV yog satellite coaxial cable.
Kev txais tos ntseeg tau nyob ntawm kev teeb tsa thiab cov cuab yeej siv. Nrog cov kab, nws muaj peev xwm ua tau ob qho tib si los txhim kho thiab tswj cov ntsuas ntsuas tau zoo thiab txo cov peev xwm rau kev xaiv tsis raug.
Yog li yuav ua li cas koj yuav tsum xaiv lub satellite cable thiab yuav ua li cas xyuas nws ua ntej koj yuav nws? Cia ZMS cable tuam txhab editor coj koj los ntawm satellite cables.
Dab tsi yog Satellite Coaxial Cable?
Satellite coaxial cable yog ob-tus neeg xyuas pib uas muaj tus neeg xyuas pib sab hauv thiab lub network tiv thaiv..
Txij li cov axes ntawm ob lub conductors sib tshooj, nws yog hu ua coaxial cable los yog coaxial kab.
Satellite coaxial cable muaj plaub ntu: inner conductor tooj liab core, rwb thaiv tsev, hlau shielding network thiab aluminium composite zaj duab xis, thiab sheath.
Sab hauv tus neeg xyuas pib tooj liab core yog ib qho khoom siv hluav taws xob.
Lub insulator yog ua los ntawm polyethylene, uas muaj tsawg dielectric poob thiab zoo engineering kev ua tau zoo.
Hlau shielding network thiab aluminium composite zaj duab xis, ua ke ua kom tiav lub luag hauj lwm ntawm shielding thiab sab nraud conductivity. Aluminium composite zaj duab xis tsuas yog ua tiav lub luag haujlwm ntawm kev tiv thaiv, thaum cov hlau thaiv kev network ua tiav ob lub luag haujlwm ntawm kev tiv thaiv thiab sab nraud conductivity.
Lub sheath yog ua kom qeeb ntawm kev laus ntawm lub cable thiab zam kev puas tsuaj.
Satellite Coaxial Cable Yam ntxwv
Qhov tseem ceeb kis tus yam ntxwv ntawm satellite coaxial cable yog tias qhov ntau zaus, qhov ntau dua qhov attenuation.
Yog hais tias cov tub ntxhais cable nyias dhau lawm thiab cov ntaub thaiv npog yog nyias dhau, qhov to thiab attenuation ntawm lub teeb liab nce, yog li ua rau degradation ntawm lub teeb liab zoo.
Raws li hluav taws xob teeb liab conductor, cov khoom muaj technical thiab lub cev yam ntxwv.
Cov kev cai lij choj ntawm hluav taws xob engineering hais tias AC feem ntau yog faib rau saum npoo ntawm tus neeg xyuas pib. Qhov peev xwm tsawg tshaj plaws yog nyob ze ntawm qhov chaw.
Yog li ntawd, lub thicker tus neeg xyuas pib cable, qhov tsawg dua qhov attenuation ntawm lub zog ntau yam. Tus qauv txoj kab uas hla ntawm lub TV kav hlau txais xov centerline: yog 0.5-1 mm.
Anti-yoj
Qhov ntsuas ntsuas rau lub zog yog ohm. Rau TV thiab satellite cables, 75 ohms feem ntau yog siv.
Qhov no yog qhov input impedance ntawm lub connector uas lub cable txuas nrog. Kev tsis sib haum xeeb hauv cov lej yuav ua rau txo qis ntawm qhov muaj peev xwm tam sim no.
Nyob rau hauv tsis muaj vaj huam sib luag hlau kuj, kev sib txuas tuaj yeem ua nrog cov yam ntxwv sib txawv ntawm qhov luv luv. Piv txwv, hauv tsev ntiav.
Satellite Coaxial Cable kev xaiv
Lub satellite cable yog ib qho khoom siv sab nraum zoov. Ib feem ntawm txoj kev cable yuav tsum tau muab tso rau hauv qhov chaw qhib. Yog li yuav ua li cas xaiv coaxial cable yog qhov tseem ceeb.
1 Cov khoom siv sab nrauv
Nws raug nquahu kom xaiv cov cable ua los ntawm cov khoom siv polyethylene. Qhov no yog vim nws tsis yooj yim cuam tshuam los ntawm cov teeb meem nyuaj, xws li huab cua phem los yog kub heev. Piv txwv, huab cua phem los yog kub heev, tus lwm yam. Cov khoom siv PVC yuav ua kom cov kab mob ntawm cov kab nrib pleb tshwm sim los ntawm qhov txias sab nraum zoov vim tias qhov txias yuav ua rau cov kab hluav taws xob puas.
Tshwj xeeb, Cov dej txias tau nkag mus rau hauv lub cable thiab ua rau luv luv. Tom qab ntawd cov khoom siv yuav malfunction. Xaiv cov coaxial cables nrog tshwj xeeb impregnation rau hnyav hnyav thaum yuav khoom.
2 Internal rwb thaiv tsev Structure
Satellite tshaj tawm muaj cov yam ntxwv nthuav tawm, yog li nws yuav tsum muaj txoj kab ncaj nraim ntawm qhov pom ntawm qhov chaw hluav taws xob thiab cov kab hluav taws xob. Swaying ntoo ceg ntawm txoj kev, nyob ze cov hlua hlau, thiab nag los nag thiab daus tuaj yeem ua rau muaj teeb meem ntau rau cov kab hluav taws xob sab nraum zoov. Yog li ntawd, nws yog ib qho tseem ceeb kom tswj tau lub teeb liab txais tos thiab coj mus rau lub receiver.
Ntxiv rau TV teeb liab, converter tswj commands yuav tsum tau kis los ntawm lub cable. Yog li koj yuav tsum xaiv cov khoom lag luam nrog ob txheej txheej sab hauv, xws li braided coaxial, nrog ib txheej ntawm aluminium ntawv ci.
3 Cable dabtsi yog khoov Resistance
Satellite coaxial cables tsis tshua muaj nyob rau hauv txoj kab ncaj nraim thaum pw. Yog li ntawd, lub cable yuav tsum tau xaiv rau hauv tus account seb lub cable puas yuav tawg yooj yim tom qab khoov.
4 Kev sib piv ntawm Cables
Nyob rau tib lub sijhawm, tuab cables yog superior rau nyias cables. Lub cev ua npuas ncauj cable yog superior rau cov khoom siv cable. Lub siab braided cable zoo dua li qhov qis braided cable. Copper-core cable yog zoo dua li tooj liab-clad steel cable. Copper braided network cable yog superior rau aluminium-magnesium alloy cable.
Nyob rau tam sim no, feem ntau siv satellite coaxial cable yog hom 75-5. Rau qhov tau txais qhov system nrog cov kab txuas ntev, Kev cuam tshuam-resistant coaxial cable yuav tsum tau siv.
Nws yog ob-insulated thiab ob-shielded coaxial cable. Nws lub hauv paus, kev rwb thaiv tsev, thiab ntaub thaiv npog tseem yog tus qauv 75-ohm cable.
Tab sis qhov txawv yog qhov thib ob txheej ntawm rwb thaiv tsev thiab txheej thib ob ntawm shielding yog ntxiv rau thawj txheej shielding.. Thiab lub sheath yog ntxiv rau sab nraud, yog li nws muaj kev tiv thaiv kev cuam tshuam zoo heev.
Satellite Coaxial Cable Kev muab cia
Cov kws tshaj lij tau hais tias hluav taws xob yog kev tshawb fawb uas tuaj yeem kov tau. Yog tias koj tsis ceev faj thaum txhim kho lub cable, nws yuav tsis ua hauj lwm los yog txawm yuav txaus ntshai. Yog li yuav ua li cas rau nruab lub cable yog qhov tseem ceeb heev.
1 Yog tus txais 10-15 meters los ntawm satellite cable, koj tuaj yeem yuav cov qauv npaj ua tiav ntawm cov cable nrog cov khoom sib txuas. Connector F hu tau muab tso rau ntawm qhov kawg ntawm lub cable.
Piv txwv, RG-6 cable txhais tau hais tias nws yog tsim rau RF cables nrog ib tug sab nraud rwb thaiv tsev txoj kab uas hla ntawm 6 lub hli.
2 Ua ntej yuav lub cable, nrhiav qhov ntev ntawm lub cable xav tau, thiab ntu uas tso yog qhov nyuaj.
3 Tsis txhob khoov rau hauv cov ces kaum ntse thaum tso los tiv thaiv kev tawg.
4 Thaum tso, thaum ripping tawm ntawm phab ntsa mus rau txoj kev, ua ib lub voj downward ntawm lub cable. Txoj kev no, dej nag yuav poob qis thaum nws los nag es tsis txhob tso lub plhaub rau hauv lub qhov.
5 Thaum txhim kho los ntawm lub qhov rais ntoo, laum ib channel nrog ib txoj kab uas hla loj tshaj qhov thickness ntawm lub cable.
6 Nyob rau hauv cov ntaub ntawv ntawm yas thav duab, Nws yog pom zoo kom tsis txhob perforate. Koj tuaj yeem siv qhov sib txawv ntawm lub qhov rais thiab phab ntsa, ntim nrog polyurethane ua npuas ncauj.
7 Yog ntsia hauv ib chav, lub cable yuav muab zais rau hauv ib lub thawv yas los yog skirting board nrog ib tug cable channel.
8 Tsis txhob nteg lub cable nrog lwm cov cables. Yog nyob ze rau cov cuab yeej muaj zog thiab cov khoom siv, Nws tuaj yeem dhau los ua qhov cuam tshuam nrog satellite coaxial cables.
9 Seal qhov tawm taw tes rau qhov chaw qhib. Nyob rau hauv cua txias, cov kab ntawm sab nraud ntsug saum npoo yuav tsum tsis txhob sag thiab viav vias dawb.
Satellite coaxial cable soj ntsuam
Xyuas qhov tseeb ntawm lub cable tom qab installation tiav. Nrhiav kev degradation ntawm cov duab zoo, screen rippling xim tuav los yog daim duab splitting rau hauv me me squares, distorted suab, tus lwm yam.
1 Tshem tawm cov kab hluav taws xob los ntawm qhov khawm khawm ze tshaj plaws rau chav.
2 Tshem lub connector los ntawm daim ntaub thaiv npog thiab nruab nrab tus neeg xyuas pib.
3 Npaj cov cuab yeej siv los ntsuas kev tiv thaiv.
4 Txheeb xyuas cov kab txuas mus rau lub kav hlau txais xov. Txuas qhov kev xeem ua rau lub hauv paus tseem ceeb thiab cov hlau sheath.
Ceev faj tsis txhob kov tus neeg xyuas pib. Yog hais tias lub hauv paus yog nyob rau hauv zoo, tus ntaus ntawv yuav tso saib tus nqi ntawm tsis 1, tab sis tsis yog 0.
Thaum tawm, kev nyeem ntawv yuav zoo li xoom lossis qhia 0 thiab lub teeb liab audible yuav tshwm. Ib zaug ntxiv, thaum kuaj xyuas lub cable rau hauv chav tsev, cable yuav tsum txuas nrog lub receiver.
Cov saum toj no yog kev taw qhia thiab xaiv ntawm satellite coaxial cable. ZMS Cable Chaw Tsim Tshuaj tau cog lus los muab ntau yam ntawm cov kab hluav taws xob zoo, nrog nruj kev tswj xyuas kev tsim nyog rau cov khoom lag luam thiab kev pabcuam rau cov neeg siv khoom. High professionalism nyob rau hauv cable manufacturing thiab trustworthy khoom.
