Inzu ikorerwa hanze na antenne yo murugo kuri tereviziyo ya digitale

DIY ikora-wenyine-antenne ya tereviziyo ya tereviziyo ya digitale: ibipimo, igishushanyo cyoroshye, hanze na antenne yo mu nzu ya tereviziyo ya digitale, yakozwe nawe wenyine. Vuba aha, televiziyo yagaragaye mubuzima bwumuntu. Hafi yimyaka ijana mubyukuri byacu habaye ikintu nka TV. Kuva bahimbye kugeza vuba aha, tereviziyo zashyizwe mu bikorwa na tekinoroji ya signal. Itandukaniro nyamukuru ryubwoko bugezweho bwibimenyetso byakoreshejwe, digitale, ni ugukwirakwiza amashanyarazi kubakira. Aya mashanyarazi ahuye numurongo runaka na amplitude, hanyuma bigahinduka ishusho nijwi. [ibisobanuro id = “umugereka_11685” align = “aligncenter” ubugari = “497”]
Antenne yoroshye yo kwakira tereviziyo ya digitale ukoresheje amaboko yawe [/ caption] Impamvu nyamukuru yo guhindura isi yose mukwamamaza kuri digitale ni bike byitwa ibikoresho bya TV bigereranya. https://cxcvb.com/kak-podklyuchit/priem-cifrovogo-televideniya. Mu Burusiya, inzira yo kwimuka burundu kuri tereviziyo ya digitale yatangiye mu 2006 irangira muri 2019. “Digital” itandukanye no guhererekanya analogi mu kongera ubwiza bw’amashusho gusa, ahubwo no muri gahunda yubatswe n’imikorere. Televiziyo ya digitale rero ntigihujwe na tereviziyo imwe yo mukarere itangirwamo ibimenyetso. Antenne igaragara muri gahunda yo gukora, yakira ikimenyetso ikanayigeza kuri TV. Muri iki kiganiro, tuzakubwira uburyo bwo gukora antenne ya tereviziyo ya digitale ukoresheje amaboko yawe. [ibisobanuro id = “umugereka_11672” align = “aligncenter” ubugari = “983”]Inzira ya Antenna kuri tereviziyo ya digitale [/ caption]

Ibyo ukeneye gukora antenne yo gukora wenyine kugirango wakire TV ya digitale

Urutonde rwibikoresho bizakenerwa gukora antene biterwa nubwoko bwibikoresho bizaza byo kwakira radiyo. Urutonde nyamukuru rwibikoresho rugizwe na:

• umuyoboro ufite diameter ya 0.5 mm2;
• insinga y’umuringa cyangwa aluminium / umugozi wa coaxial;
• imirongo ya aluminium, amabati, umuhuza, nibindi

Gukora antenne n’amaboko yawe bwite, ibikoresho byose bitwara, urugero, inkoni nu mfuruka, birakwiriye.

Ibikoresho bitwara ibintu birimo: umuringa, aluminium, ibyuma, ibyuma, umuringa, umuringa, tungsten, molybdenum.

Tuvuze ikiguzi, kumurongo wakozwe murugo, umugozi wa coaxial urakwiranye. .
_ bikunze kugaragara mubuhanga bwamashanyarazi. Mugihe gikabije, urashobora gukoresha insinga ya antenne isanzwe. Antenna imwe ntacyo imaze kandi ntabwo yumvikana idafite ibindi bisobanuro bifasha guhindura ibimenyetso bya digitale mubishusho. Usibye ibikoresho byavuzwe haruguru kuri antenne, uzakenera:

• icyuma cyohereza ikimenyetso kiva muri antenne kubakira;
• niba TV ari moderi ishaje – iyakira – iyakira;
• televiziyo ubwayo.

.
_ , ariko kugirango byoroshe akazi kandi ubike umwanya, birakwiye gutegura pliers nogukata insinga, kaseti ikingira, hamwe nicyuma.

Ubwoko butandukanye bwa antene yakira ibimenyetso byujuje ubuziranenge bwa digitale yo gukora wenyine

Guhitamo kwinshi muburyo bwa tekinoroji yo gukora antene kuva mubikoresho bitunganijwe bigufasha kuva mubushobozi bwawe nibihe. Bibaho ko umuntu adashobora kubona umubiri muburyo bukenewe mugihe cya vuba. Ibikoresho bitunganijwe biza gutabara, hafi ya bose bafite muri garage. Antenne ni imiterere, igikoresho cyagenewe gufata imiraba ya tereviziyo. Ibikoresho bigenewe gukoreshwa muri rusange birashobora gufata inshuro ziri hagati ya 41 na 250 MHz. Ntabwo bishoboka cyane, ariko birashoboka, antenne yakozwe murugo izashobora gufata umuraba mwinshi cyane, uri hagati ya 470-960 MHz. Gufata ibikoresho byabugenewe kuri tereviziyo, irashobora kugabanywamo ibyiciro bibiri – imbere (iherereye hafi ya TV hafi yegeranye) no hanze (yashyizwe hanze yinyubako TV iherereyemo).
Antenna yo kwakira tereviziyo ya digitale, imbere no hanze, igishushanyo, ibipimo [/ caption] Ukoresheje amaboko yawe urashobora gukora ubwoko bwa antene bukurikira bwo gutangaza tereviziyo ya digitale:

• coaxial (ifite izina rya kabiri “Kuva kuri wire”);
• kuva mu bikoresho;
• ishusho umunani (bita “Zigzag”);
• Ibihe;
• umuraba.

Antenna yakozwe murugo kuri TV ya digitale – igishushanyo, ibipimo, inama n’amafoto. Nubwo itumanaho rya digitale risa nkaho rigoye kuruta gutangaza amakuru, ntabwo rishyiraho ibisabwa byihariye kumiterere yigikoresho cyakira cyangwa cyohereza imirongo ya radio. Ndetse no kudahuza no kutubahiriza imiterere ntabwo bigira ingaruka cyane kugoreka ibimenyetso byakiriwe.

Nyamara, umuntu agomba kugerageza kwitegereza ibipimo bya geometrike yibintu byose uko bishoboka kose, ikosa ntirishobora kurenza milimetero nkeya.

Birakwiye ko twibuka ko:

1. Umubare wimiyoboro yakiriwe uragabanuka hamwe na antenna yunguka.
2. Mugabanye icyerekezo cyibikoresho, inyungu iriyongera.

Kuva hejuru, bivuze ko antenne izatora interineti nkeya niba urutonde rwimiyoboro yakiriwe ari nto. Twabibutsa ko igishushanyo cyiza kidashobora kuboneka bitewe nuko hariho ibyo biterwa kandi bitandukanijwe.

antenna yo mu nzu

Ubu bwoko bwa antenne burakwiriye niba intera igana umunara wa TV ari ntoya, kandi nta mbogamizi zifatika nkinyubako ndende n’imisozi munzira igana. Igikoresho cya kabili coaxial kiri murugo kandi kugirango gikorwe uzakenera umugozi ubwawo ufite metero 2,5-3 z’uburebure, gukata insinga, ikaramu cyangwa ikindi gikoresho cyerekana ibimenyetso, metero ndende: gupima kaseti, umutegetsi, gucomeka kugirango wohereze ibimenyetso kuri TV cyangwa uyakira. . Bitwara iminota 10 yo gukora. Intambwe yambereKumugozi, dusubira inyuma ya santimetero 5 kuruhande rumwe hanyuma dukuraho urwego rwo hanze rwimikorere. Ibikoresho bya dielectric, bishobora kuba reberi, impapuro, PVC, ndetse na polyethylene ihujwe, ntibikenewe gusa kugirango umutekano wabantu bibeho gusa, ahubwo no kongera imbaraga zo kwangirika kwinsinga, kugirango ugabanye kwangirika kwa kamere. Niyo mpamvu kurekura ibintu biturutse hanze bigomba kuba byukuri bishoboka. Gusa dielectric ikurwaho, fayili hamwe nigitereko cyimbere byerekejwe buhoro buhoro kuruhande kugirango bidashobora kubangamira gukata.
Intambwe ya kabiriIntangiriro yo hagati isukuwe imbere. Kugirango usukure neza, ugomba gukoresha icyuma. Dukanda insinga hamwe nintoki zacu ku cyuma hanyuma tugakuraho dielectric hamwe na shift ikarishye. Ntabwo dushaka kwambura umugozi gutwika urumuri, rubaho mubuzima bwa buri munsi: ntabwo ari umutekano kandi ntabwo arukuri. Intambwe ya gatatu Intangiriro yimbere isukuye, fayili nigitereko cyavanyweho, bihindurwamo umugozi umwe. Ni ngombwa cyane gukora imyenda ikomeye kandi yuzuye bishoboka. Kugoreka ibintu byose bigomba gukorwa muburyo amaherezo hari cm 2,2 zubusa bwimbere yimbere. Intambwe ya kaneKu nsinga kuva iherezo ryokwirinda kuruhande rwa dielectric, hashyizwemo decimetero 2 hanyuma insulasi yo hanze ikurwaho, mugihe ibintu byose biri munsi yimbere, harimo na byo, ntabwo bigira ingaruka. . _
_ _ na dielectric yo hanze ya cm 1 yakuweho uburebure, ntukore kuntoki. Intambwe ya gatandatu Kuzenguruka cm 5 kurangirira hafi ya cm 1 z’uburebure.Ni ngombwa gukora umuyaga uhindagurika kugirango ukore impeta. Intambwe yanyuma nugushiraho plug ya RF kumpera idakoreshwa. [ibisobanuro id = “umugereka_11676” align = “aligncenter”
Antenne yoroheje yakozwe murugo kuri tereviziyo ya digitale ivuye mu nsinga

Kuva mu bombo

Niba amabati arambaraye murugo cyangwa muri garage, urashobora kuyakoresha mugukora antenne yo murugo. Igikoresho cyo mu rugo gifata mu bikoresho gishobora gufata imiyoboro 7 mu ntera ndende kandi ndende. Imiterere nyamukuru ikoreshwa kubintu bitunganijwe nkibishobora ni ukubura inenge, amenyo nibindi byangiritse, kimwe nibisebe.

Amabati agomba kuba afite isuku, mbere yo gukomeza gukora antenne, agomba gukaraba no gukama neza.

Mu nganda uzakenera:

• icyuma;
• amabanki abiri;
• ibiti;
• insinga ya tereviziyo isanzwe (yanditseho RK-75);
• amashanyarazi n’amashanyarazi yo kwikuramo (3-4 pc.);

Intambwe yambere Umugozi ufite metero nyinshi z’uburebure wambuwe kuva kuruhande rumwe rwa insulasiyo yo hanze ya cm 10. Intangiriro yo hagati irasukurwa, insulike yimbere ikurwaho. Mugice cyimbere cyiziritse kigizwe nu mugozi wizengurutse hagati. Intambwe ya kabiri Ku rundi ruhande rw’umugozi, ugomba guhuza icyuma kizahuza na TV kandi kigatanga ikimenyetso (cyanditseho “RF”). Intambwe ya gatatu Dukuraho “amatwi” mato mumabati, tubifashijwemo barakingura, duhambira ibice byumugozi hamwe nudukingirizo two kwikuramo: intoki zigoramye hamwe nigitereko. Dukosora hamwe nicyuma. Intambwe ya kaneAmabanki yamaze guhuzwa (intambwe ya 3) ashyirwa kumurongo umwe kandi ugashyirwa kumurongo wibiti cyangwa no kumanika hamwe nibikoresho byose (dielectric), urugero, kaseti y’amashanyarazi cyangwa kaseti. Antenne nkiyi irashobora gushirwa kumuhanda cyangwa murugo (ni ngombwa kumenya ko igihe insinga ndende, ishusho izaba mbi), urashobora kongera ibimenyetso ukoresheje amplifier cyangwa imirongo yinyongera hamwe na banki.

Umunani, antenne ya Kharchenko yo kwakira televiziyo ya digitale n’amaboko ye

Igishushanyo cyamenyekanye ku bantu mu 1961. Yemereye abantu baba hanze yakarere kimenyetso gikomeye kugirango bazamure ubwiza bwishusho. Igishushanyo kigizwe na rombus ebyiri, inguni hagati yisura ni 90 °. Kugirango ukore igishushanyo umunani, ukeneye:

• Metero 1-1.5 z’insinga z’umuringa zifite igice cyambukiranya kigera kuri mm 5;
• insinga ya coaxial ifite metero 3-5 z’uburebure;
• kugurisha ibyuma, kugurisha na rosine;
• Gucomeka kuri TV;
• umutegetsi n’ikimenyetso;
• kaseti ikingira, ishingiro ryimiterere yakozwe.

Intambwe ya mbere Dupima kandi tugaca cm 1152 zomugozi wumuringa.Turanga igice cyavuyemo mo ibice 8 bingana hamwe na marikeri, mugihe dusize cm 5 kumutwe umwe, ugomba guhita wunama. Ibikoresho by’umuringa byonyine birashobora kuba byiza kuri iki gishushanyo, kubera ko nta aluminium cyangwa izindi kiyobora zishobora kugurishwa cyane bishoboka n’umuringa. Bisquare Twagurishije gusa amaherezo yubusa. Muri iki gihe, hagomba kuboneka icyuho hagati yimbere yimbere: kugurisha no kugorama. Intambwe ya gatatuUmugozi wa antenne ugaragara kuva kumutwe umwe kuri cm 3-5. Kugirango ukore ibi, insulasiyo yo hanze ikurwaho neza, ibice byimbere byunamye kandi intangiriro yo hagati irekurwa. Intangiriro yo hagati yinsinga yazengurutswe ku mfuruka itagurishijwe, kandi igice cyinsinga ishinzwe ecran kizengurutswe ahantu hagurishijwe. Ni ngombwa gukora neza.
Intambwe ya kane Imiterere yavuyemo insinga zambaye ubusa zashyizwe hamwe na kaseti y’amashanyarazi cyangwa n’imbunda ya kole. Gucomeka bifatanye kurundi ruhande rwumugozi kugirango wohereze ikimenyetso kuri TV. Igikoresho kiriteguye, impera yunamye ifatanye na base. .
_

antenna yigihe-gihe

Ibintu nyamukuru biranga iki gishushanyo ni gahunda ya vibrateri yuburebure buhindagurika – bishyirwa kumurongo umwe. Ibipimo byibintu byose bikora bya antenna yigihe-ntigomba kurenga aho ibikorwa byakorewe. Antenna ya log-periodic nuburyo bwiza bwo gukora murugo, kuko irenze ubundi bwoko mubiranga byose, ariko biragoye kuyikora. Kugirango ubigire wowe ubwawe, ugomba kugira ibyuma bibiri byicyuma (ubusa cyangwa sibyo – ntacyo bitwaye, ikigezweho kizagenda hejuru). Ugomba kandi kugira insinga z’umuringa z’uburebure butandukanye, zizaba ibice byakira. Hasi nimbonerahamwe ifite ibarwa yiteguye igomba gukoreshwa mugihe utegura ibice kubakira ibimenyetso bizaza.

Dutegura viboters dukurikije amakuru yatanzwe kumeza. Ni ngombwa ko diameter imwe kuri buri vibatori. Umugozi wo kugaburira unyuzwa mu cyuho cy’imwe mu nkoni cyangwa gusa ubifashijwemo n’utwuma, bikorwa nk’uko bigaragara ku ishusho hepfo.
Nyuma yibyo, vibrateri ikosorwa hamwe nicyuma. Kora-ubwawe imbaraga zikomeye-igihe cya antenna ya UHF: https://youtu.be/txZJkjPkOoY

Umuhengeri

Ntibikwiye kwakira ibimenyetso birebire kandi bifite inyungu nke, ariko igishushanyo ubwacyo cyamamaye kuva havumburwa no gukwirakwiza imiraba ya radio mubuzima bwa buri munsi, kandi iracyakunzwe. Igishushanyo kigizwe nibintu byinshi: insinga y’umuringa (cyangwa umuyoboro), umuyobozi, urumuri na vibator. Byongeye kandi, hashyizweho urufatiro antenne yarangiye izafatanyirizwa hamwe (plastiki cyangwa ibiti – ntacyo bitwaye, icy’ingenzi ni uko ari dielectric). Ni ngombwa gushyira ibice ku ntera ingana hagati yacyo. Ibice byahujwe ukurikije ishusho ikurikira.
Umuyoboro wa Wave [/ caption]

Nigute ushobora kuzamura ubwiza bwibimenyetso kuri antenne yakozwe murugo

Hariho impamvu nyinshi zituma ibimenyetso bya TV bidakomeye. Kurugero, ubwiza bwibishusho bukunze gutakara cyangwa amajwi yatakaye bitewe nuko antene yakira ibimenyetso byerekanwe gusa. Izindi mpamvu zishobora kuba:

• ubushishozi buke;
• umugozi wo guhangana cyane;
• intera ndende n’umunara wa TV;

Kugirango uzamure ubuziranenge bwibimenyetso kuri antene yakozwe murugo, ugomba kugerageza intambwe zikurikira:

1. Niba ari mu nzu, ugomba rero kubishyira hafi yidirishya rishoboka. Mu nzira yayo rero hazabaho inzitizi nke bitewe nigice cyikimenyetso cyatakaye.
2. Niba iherereye kumuhanda, ugomba kuyishyira ahantu hirengeye – igisenge. Menya neza ko ibimenyetso bitabujijwe n’imisozi cyangwa amashyamba.
3. Hindura icyerekezo. Kwivanga no gutatanya ifoto akenshi birashira iyo uhinduye igikoresho cyakira mu cyerekezo cyiza, ndetse na dogere nkeya za dogere zigira uruhare.
4. Gura antenne amplifier.

Nigute ushobora kubara ibipimo bya TV ya digitale

Kuri antenne kuva kumugozi, ugomba kubara uburebure bwayo. Ibi bikorwa hakoreshejwe formulaire isanzwe ya fiziki. Ubwa mbere ugomba gusobanukirwa ninshuro za multiplex isakaza , nyuma yo kubona impuzandengo. Kurugero, kuri frequence ya 605 na 613 MHz, uburyo bwo kubara bwerekanwe kuba 609 MHz. Intambwe ikurikiraho ni ukumenya uburebure bwumurongo ukoresheje formula yumuvuduko wurumuri ugabanijwe nuburyo bukomoka ku mibare. Kubara: 300/609 \ u003d 0.492 m. Duhereye ku mubare wavuyemo tubara 1/4, kizaba uburebure bwa kabili busabwa kugirango dukore antene. Kugirango woroshye umurimo wo kubara, urashobora gukoresha imashini zibara kumurongo zizabara neza ingano isabwa kuri kimwe cya kabiri, igice cya kane na antenne yuzuye. Kubara kumurongo muri Google cyangwa Yandex:

• Kubara dipole na pin;
• amateur ya radiyo.

Antenna nziza yo gukora-ubwayo idafite icyuma kigurisha kuri tereviziyo ya T2 ya digitale: https://youtu.be/h7pcp-nvYqQ Gukora antenne n’amaboko yawe ntabwo bigoye, biragoye rwose kugurisha no kugerekaho ibisobanuro byose kugirango ikore nta kwivanga no gusohora amashusho. Uyu munsi, ntabwo ari ngombwa kujya mu iduka no kugura ibikoresho bihenze, hari igihe bidashoboka gusa kugera kububiko. Urashobora gukora antenne mubikoresho byakozwe. Turakugira inama yo guhitamo igishushanyo mbonera cya coaxial, cyangwa “Umunani”. Nkuko imyitozo ibigaragaza, nibyo byoroshye gukora, kandi ibiranga bikwemerera kureba TV ahantu hose.