Cable yog qhov tseem ceeb rau TV zoo. Cov kev xaiv niaj hnub no tsis meej pem tsis tsuas yog cov neeg siv zoo tib yam nkaus xwb, tab sis kuj yog cov kws tshaj lij. Yog hais tias koj yuav mus rau nws tus kheej ua ib tug TV cable nyob rau hauv ib chav tsev, ua tib zoo xav txog tag nrho cov ntsiab lus, txij li thaum tom qab screeding hauv pem teb los yog kaw cov phab ntsa nrog drywall, nws yuav nyuaj rau hloov ib yam dab tsi. Qhov no yog ib qho tseem ceeb. Nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xav txog yuav ua li cas txuas lub xov tooj cua hauv xov tooj cua, yuav tsum muaj cov duab dab tsi, seb tus cwj pwm zoo li cas.
Views
Hnub no, muaj 3 yam khoom no:
- Coaxial.
- Composite.
- Component.
- HDMI lossis DVI.
Txhua tus muaj nws qhov zoo thiab qhov tsis zoo. Qhov twg TV cable xaiv nyob ntawm cov duab, qhov chaw thiab cov xwm txheej ntawm kev siv. Txuas rau TVanalog, digital lossis satellite TV siv tsuas yog 1 cable kev xaiv. Tus so yog tsim los txuas cov khoom siv ntxiv, lub tso suab, cov khoom siv suab rau TV, yog li lawv cov kev tshuaj xyuas yuav luv luv.
coaxial TV cable
Qhov no yog qhov ntau tshaj plaws, ntau yam hauv kev siv txij li kaj ntug ntawm cable TV. Nws muaj plaub yam tseem ceeb:
- Central vein. Nws yog qhov zoo tshaj plaws tooj liab, tab sis muaj cov cables zoo nrog aluminium lossis steel tooj liab-plated core. Yog li, lub hauv paus hlau yog them nrog ib txheej nyias ntawm tooj liab. Qhov zoo ntawm cov teeb liab tuaj, thiab yog li qhov zoo ntawm daim duab ntawm lub vijtsam, nyob ntawm cov khoom ntawm lub hauv paus tseem ceeb. Lub chaw xaim ntawm lub TV cable tuaj yeem tso tseg lossis ib leeg-ntxhais. Qhov no cuam tshuam rau qhov zoo ntawm daim duab: qhov tuab ntawm cov hlab ntsha nruab nrab, cov duab zoo dua. Yog tias qhov kev ncua deb ntawm lub kav hlau txais xov thiab TV tsawg dua 50 meters, ces koj tuaj yeem yuav khoom siv hluav taws xob zoo nrog cov hlau nruab nrab. Yog hais tias qhov kev ncua deb yog loj thiab cov cable ib nrab khiav kab rov tav, ces lub hauv paus tseem ceeb yuav tsum tsuas yog tooj liab, txwv tsis pub lub teeb liab theem yuav txo los ntawm tsawg kawg yog 20 feem pua thiab yuav txo qis txhua hnub nrog rau cable coj.
- Dielectric. Cov khoom siv yuav txawv. Feem ntau nws yog foamed polyvinyl chloride los yog fluoroplastic. Lub immobility ntawm cov conductors nyob saum toj no nyob ntawm lub dielectric txheej.
- Braid lossis sab nraud tus neeg xyuas pib. Nws tiv thaiv cov teeb liab kis los ntawm cable los ntawm kev cuam tshuam sab nraud. Raws li txoj cai, nws yog ua los ntawm polyethylene zaj duab xis, nyob rau sab saum toj ntawm uassiv hlau txheej. Qhov no ua rau kom lub zog ntawm lub cable. Ntawv ci yog qhov tsawg kawg nkaus. Nws nce tus nqi ntawm cov cable, tab sis xyaum tsis cuam tshuam nws qhov zoo. Copper-coated ntawv ci yog qhov tsawg dua. Thaum muas ib lub cable pheej yig, koj yuav tsum tau them sai sai rau qhov ntsuas no, vim tias feem ntau lawv muaj cov yeeb yaj kiab zoo tib yam uas tsis ua tiav nws txoj haujlwm. Lub braid yog ua los ntawm txhuas los yog tooj liab. Qhov zoo dua, qhov teeb liab yuav ncav cuag.
- Lub plhaub sab nrauv yog ua los ntawm polyethylene lossis polyvinyl chloride. Lub sheath tiv thaiv cov khoom sab hauv ntawm lub cable. Nws yog tsim nyog them sai sai rau lub thickness ntawm txheej txheej. Qhov no ncaj qha cuam tshuam rau qhov zoo ntawm cable. Nco ntsoov xyuas seb huab cua zoo li cas lub plhaub tuaj yeem tiv taus. Nws tseem tsim nyog yuav tsum tau them sai sai rau yuav ua li cas txuas lub TV cable, txij li lub thickness ntawm txheej txheej, nws yog qhov nyuaj dua rau nteg nws. Lub cable, thaum khoov, yuav muab ib tug txaus loj kuj. Ntxiv nrog rau kev tiv thaiv kab mob nws tus kheej, lub tsho sab nrauv tiv thaiv TV rau qee qhov. Muaj cov xwm txheej thaum qhov kev ncaj ncees ntawm lub plhaub sab nraud tau tawg, dej nkag mus rau hauv lub cable thiab, raws li cov khoom iav, raws nraim hauv TV. Qhov tshwm sim yog qhov tsis kaj siab heev. Nrog rau qhov ua tau zoo dua, dej tuaj yeem tso rau hauv chav tsev.
Kev xaiv yooj yim
Thaum xaiv lub TV cable, nco ntsoov tias lub teeb liab nyob ntawm qhov zoo ntawm cov khoom siv hauv kev tsim khoom. Thaum xaiv cov khoom pheej yig, tsis muaj teeb meem koj yuav tsum embed lawv rau hauv phab ntsa lossis qhov chawyog li ntawd hloov lub cable yuav muaj teeb meem. Cov khoom pheej yig dua, nws hnav sai dua, yog li ntawd, cov teeb liab thiab cov duab tsis zoo. Nws yog qhov zoo dua los yuav ib lub cable zoo pib dua li hloov ib qho pheej yig ob zaug. Tsis tas li ntawd yuav tsum tau them sai sai rau qhov kev tiv thaiv uas tau teev tseg rau ntawm lub tsho sab nrauv. Rau niaj hnub TV, yuav tsum muaj tsawg kawg yog 75 ohms.
Tam sim no muaj ntau yam kev xaiv uas nyuaj heev rau xaiv yam twg. Kev ua lag luam muaj cov tuam txhab lag luam los ntawm ntau lub teb chaws, nrog cov nqi sib txawv, thiab lwm yam. Dab tsi yog qhov zoo tshaj plaws TV cable xaiv? Hauv tebchaws Russia, ntau lub tuam txhab thiab cov qauv tau dhau los ua ntau tshaj plaws.
RG-6
Tshuaj nyob rau hauv Lavxias teb sab hom, thiab tsim nyob rau hauv Suav teb. Hais txog tus nqi, qhov pheej yig tshaj. Lub hauv paus tseem ceeb yog tooj liab-plated steel. Cov ntaub thaiv npog, aluminium braid.
Raws li cov kws tshaj lij, hom kab no yog qhov nyiam tshaj plaws. Nws yog qhov zoo dua los them nyiaj ntau dua thiab yuav ib lub cable zoo dua. Qhov no poob sib nrug thaum stripped, thiab lub plhaub sab nrauv tawg sai sai heev.
RG-59
Cov chaw tsim khoom yog tib yam, qhov txhaws yog me ntsis phem dua li tau piav qhia saum toj no. Lub thickness ntawm lub hauv paus tseem ceeb tsuas yog 0.5 hli. Cov duab yog distorted rau txhua meter ntawm cable stretched. Raws li kev txheeb xyuas cov neeg siv khoom, cov kab hluav taws xob tawg sai sai, tshwj xeeb tshaj yog tias muaj cov ces kaum hauv txoj kev tso. Yuav ua li cas txuas lub TV cable? Thaum xaiv cov qauv no, nws yog qhov zoo dua los siv cov adapters tshwj xeeb ntawm cov pob qij txha.
SAT-50
Producer lub teb chaws - Italy. Lub hauv paus tseem ceeb yog tooj liab. Lub braid yog ntxiv dag zog. Haum rau ob qho tib si cable thiab satellite TV, nrog rau cov TV hauv av thiab digital. Raws li cov neeg siv khoom thiab cov kev tshuaj xyuas, qhov no yog qhov tsim nyog tus nqi rau cov nyiaj TV cable.
SAT cable 703-N
Lub teb chaws ntawm keeb kwm tseem yog Ltalis. Cov khoom tseem ceeb yog tooj liab. Tus nqi qis dua me ntsis ntawm cov qauv saum toj no, tab sis cov yam ntxwv tsis zoo dua. Cov kev paub ntawm cov chaw tsim khoom cuam tshuam (ntau tshaj 40 xyoo ntawm kev ua lag luam). Raws li cov neeg siv kev txheeb xyuas, qhov no yog ib qho zoo TV cable: lub teeb liab tsis ploj, lub tsho sab nrauv tsis deteriorate lub sij hawm. Ntxiv - 15-xyoo kev tsim khoom warranty.
Yuav xaiv dab tsi thaum kawg?
Nws yog qhov zoo tshaj plaws TV cable, xaiv ncaj qha rau tus neeg siv. Qhov tseem ceeb tshaj plaws yog ua tib zoo saib xyuas qhov zoo ntawm cov ntaub ntawv. Thaum xam cov footage, nco ntsoov tias nws yog qhov zoo dua los nqa nrog cov npoo ntawm ob peb meters.
Nws tseem tsim nyog nco ntsoov tias qhov sib txawv ntawm cable rau satellite TV thiab cable yog kev lag luam dag. Lub coaxial TV cable zoo meej rau ib qho ntawm cov kev xaiv no. Hom twg xaiv? Raws li kev txheeb xyuas los ntawm ntau qhov chaw thiab cov khw muag khoom hauv online, nrog rau kev soj ntsuam ntawm cov kws tshaj lij, Sat TV cable tseem yog qhov zoo tshaj plaws niaj hnub no. Cov khoom no yog tsim nyob rau hauv ltalis.
Yuav ua li cas kom yooj yim txuas lub TV cable?
Yog tias kev kho tsuas yog pib, nws yog qhov zoo dua los xav ua ntej yuav ua li cas cable yuav dhau mus - hauv cov kab hauv phab ntsa, lossis hauvyas plinth channel. Nco ntsoov ua tib zoo ntsuas ntau npaum li cas cov khoom yuav xav tau, suav nrog cov ces kaum, folds, styling. Nws yog qhov zoo dua los siv 2-3 meters ntau dua. Thaum muas ib lub cable, koj yuav tsum xyuam xim rau nws txoj kev mus los. Yog hais tias cov khoom tsis khoov zoo los yog muaj kev tiv thaiv zoo rau kev khoov, nws yuav ua rau muaj kev puas tsuaj rau lub luas lossis cable. Yog hais tias cov khoom dhau los ntawm sab nrauv phab ntsa ntawm chav tsev, lub qhov yuav tsum tau drilled obliquely, los ntawm sab saum toj mus rau hauv qab. Qhov no yog qhov tsim nyog thiaj li hais tias thaum nag lossis daus dej tsis nkag rau hauv chav. Thaum tso lub TV cable, koj yuav tsum xav txog qhov kev ncua deb ntawm cov xaim.
Hluav taws xob yuav cuam tshuam. Yog tias cov khoom dhau los ntawm lub qhov rais lossis qhov rooj, koj tuaj yeem siv cov adapters tshwj xeeb. Tab sis nws yuav tsum nco ntsoov tias qhov ua tiav ntawm lub cable ntau dua, qhov teeb liab zoo dua. Nws yog qhov zoo dua rau xaim lub xov tooj cua nyob ib puag ncig ntawm chav tsev nrog cov khoom siv ua tiav. Kev sib tw hauv tsev lossis cov khoom siv tuaj yeem ua rau cov teeb liab tsis zoo. Yog tias qhov ntev ntawm cov cable khiav tawm sab nraum zoov hauv ib puag ncig uas nws tuaj yeem raug puas tsuaj tau yooj yim (piv txwv li, ib qho chaw sab nraud ntawm chav tsev, lub qhov dej ntws, lub qhov rais hlau sill), nws raug nquahu kom kho cov khoom nrog cov yas tshwj xeeb.
Composite
Nrov npe hu ua tulip lossis bluebell. Nws tsis yog tsim nyog rau kev xa cov teeb liab cable TV niaj hnub, tab sis ua ke nrog cov khoom sib txuas suab nws yog siv los txuas cov players, ntau lub npov saum toj thiab video projectors. Yuav tsis xa cov duab siab txhais. Cov khoom sib xyaw ua ke yuav tsis tso cai rau qhov no ua tiav. Xim luam tawm kuj tseem tshuav ntau yam uas xav tau. Nyob rau hauv ntau txoj kev, lub caij no tsis zoo rau cov khoom siv cable. Thaum xaiv cov khoom zoo li no, koj yuav tsum tau them sai sai rau cov khoom. Hauv cov qauv pheej yig, cov tuam ntxhab sau qhov khoob ntawm qhov rooj thiab qhov txuas nrog polyethylene lossis yas.
Thiab qhov teeb meem tseem ceeb ntawm cov cable txuas no yog lawv cov cua kub tsis tshua muaj zog. Yas thiab polyethylene sai yaj los ntawm lub tshav kub ntawm lub plug, fusing lub internal rwb thaiv tsev. Muaj cov xwm txheej thaum hnav xws li cable ua puas lub TV. Nyob rau hauv cov qauv ntawm tus nqi nruab nrab txoj cai, qhov khoob yog ntim nrog cov ntxhua khaub ncaws ua los ntawm textolite lossis pressed fiberglass. Cov khoom zoo li no yuav kav ntev dua thiab tsim nyog rau kev siv nruab nrab. Nyob rau hauv cov qauv kim, Teflon-resistant Teflon los yog ceramics yog siv los sau qhov chaw nruab nrab ntawm cov vaj tse cable. Tau kawg, cable hnav nrog cov ntaub ntawv no ntau zaus qis dua, tab sis rau kev siv hauv chav tsev nws tsis yog qhov tsim nyog los txiav tawm rau cov cable zoo sib xws.
Chaw tsim khoom thiab tshuaj xyuas
Cia peb xav txog qee tus neeg tsim khoom zoo ntawm cov khoom no:
- KOJ RAY. Lub teb chaws ntawm keeb kwm - Sweden. Hais txog cov cables kim, tab sis qhov zoo tiag tiag tsim nyog mloog. Raws li kev txheeb xyuas cov neeg siv khoom, lub cable no tau yuav ib zaug thiab ntev. Tsis zoo li cov suav pheej yig, koj yuav tsis tas yuav hloov lub cable txhua rau lub hlis, ib xyoos.
- VIEWCON. Lub teb chaws ntawm keeb kwm - Taiwan. Zoo cable nyob rau hauv nruab nrab nqe ntu. Raws li kev txheeb xyuas, cov neeg yuav khoom txaus siab rau cov khoom no. Cable, duab thiab suab zoo heevpuas.
- ATOM. Lub teb chaws ntawm keeb kwm - Tuam Tshoj. Qhov no yog cov chaw tsim khoom nrov tshaj plaws ntawm cov qauv pheej yig. Cov khoom lag luam los ntawm lub tuam txhab ATCOM tau faib tsis tau tsuas yog nyob rau hauv Russia, tab sis kuj nyob rau hauv lub teb chaws USA, Europe, thiab Central Asia. Rau cov neeg siv tsis muaj kev paub, lub cable yog qhov zoo heev. Raws li cov neeg siv khoom xyuas, cov duab zoo heev thiab lub suab zoo. Tab sis qhov kub thiab txias yuav tsum tau ua tib zoo saib xyuas.
Component
Qhov no yog dab tsi? Qhov tseeb, qhov no yog ib qho kev txhim kho ntau ntawm cov kab sib txuas. Ntawm no yog cov yam ntxwv zoo ib yam. Qhov txawv tsuas yog cov duab zoo. Nws yog qhov zoo dua li cov kab sib txuas. Nyob rau hauv tag nrho lwm yam, qhov txawv yog tsis tseem ceeb, txawm manufacturers yog tej zaum zoo tib yam.
DVI thiab HDMI cables
Siv los hloov video rau cov khoom siv digital. Cov no tuaj yeem yog TVs, projectors, saib niaj hnub thiab laptops.
Qhov tseeb, tsis muaj qhov sib txawv ntawm cov khoom siv ntawm lub cable lossis hauv qhov zoo ntawm cov duab xa mus. Qhov txawv tsuas yog qhov chaw nres nkoj twg muaj nyob rau ntawm lub cuab yeej txuas nrog. Retransmit cov khoom lag luam analog teeb liab rau digital. Nyob rau hauv lub neej txhua hnub, ib qho HDMI cable yog siv ntau dua. DVI yog qhov zoo dua rau cov cuab yeej siv computer.
Zoo kawg
Yog li, peb pom tias lub TV cable yog dab tsi thiab qhov twg yog qhov zoo dua los xaiv. Kev yuav khoom yuav tsum tau ua, tsom tsis tau tsuas yog rau cov khoom ntawm cov khoom, tab sis kuj ntawm cov chaw tsim khoom nws tus kheej. Qhov zoo tshaj plaws yog Italiancov khoom. Tab sis koj yuav tsum tsis txhob yuav cov cables hauv tsev. Cov khoom zoo li no tsis txhim khu kev qha thiab tsis tuaj yeem lav cov duab tso tawm zoo.
