Uburyo bwo gukora antene ya DVB-T2 yo kwakira tereviziyo ya digitale

Niba udashaka kugura antenne ya DVB-T2 kuri TV ya digitale , urashobora kuyikora wenyine ukoresheje ibikoresho bihari. Kubera ko nta gishushanyo gishobora gukora neza mubihe bitandukanye, ugomba guhitamo verisiyo ibereye igikoresho cyakozwe murugo, ukurikije ibihe byihariye.

Antenna yoroshye

Niba hari byihutirwa kubaka antenne ya DVB T2, kandi urutonde rwibikoresho byakozwe ni bike, urashobora guteranya igikoresho cyibanze wenyine.

“Tin” (irashobora) antenne

Iteranya vuba kandi byoroshye. Kubakira neza, ukeneye ibimenyetso byujuje ubuziranenge nta mbogamizi. Ingaruka nini irashobora kuboneka mubice byumujyi no mumijyi mito. Mu nganda ukeneye:

• amabati ya byeri – 2 pc.;
• screwdriver, bolts, imashini yikubita wenyine;
• gucomeka, umugozi;
• insinga z’umuringa (agace gato);
• kaseti ifata cyangwa kaseti;
• inkoni z’ibiti – 2 pc.

Kuri antenne, birakenewe gukora ikaramu ibamba kuva mubiti. Noneho dukora intambwe zikurikira:

1. Dukora umwobo kuri bolts hagati yo hepfo yamabati.
2. Twakuyeho insinga ya kabili tutagize ingaruka kumiterere yinyuma, bingana uburebure kugeza kuri jarisi eshatu + izindi cm 20.
3. Turambuye umugozi tunyuze mu mwobo ujya kuwundi, dushyira amabati hamwe nijosi ryabo. Dutunganya umugozi urangije hamwe na bolt cyangwa kwikubita agashyi.
4. Dukosora umugozi uva mu mwobo nigice cyacyo cyambaye ubusa hagati ya banki ninsinga.
5. Dutunganya ibibindi hamwe na kaseti cyangwa kaseti ya kaseti (icyerekezo kimwe kirahagije) kumurongo wikibaho, giherereye.
6. Twomeka kumugozi.

Mugihe wunamye, ntukangize umugozi, bitabaye ibyo ntuzabona ikimenyetso cyiza. Ntugahinyure igice cyambaye ubusa – ufite intera ya 0.2 m.

Noneho tumenye intera isabwa hagati yikariso. Duhuza plug hanyuma tuyimure kumurongo kugeza ibimenyetso bihamye byakiriwe. Nkuko bisanzwe, ingaruka zikomeye zigerwaho intera ya cm 7 kuva mukibindi kimwe. Nyuma yibyo, turabihuza rwose kuri kontour. Niba antene ikoreshwa hanze, birakenewe ko uyipfukirana polyethylene cyangwa gukora ikariso ya plastike. Urashobora gushira igikoresho kumurongo. Niba hejuru ya cm 2 z’umugozi wambaye ubusa zigumye gusohoka mu mwobo, uzingire igice kirenze hamwe na kaseti. Nigute ushobora gukora antenne yoroshye mumabati irerekanwa muriyi videwo: https://www.youtube.com/watch?v=kt8u3U-Hp8g

“Umuzingi”

Igice gikora ni umugozi wa TV. Iyi antenne ikozwe gutya:

1. Hagarika umugozi muri antene idakwiye.
2. Turasukura imperuka.
3. Dupima m 0.4, dukuraho insulation kuri mm 20, tugerageza kutangiza inzitizi zo hanze.
4. Agace kambaye ubusa nigice cyasukuwe gifunzwe cyane ugereranije ninsinga.

Igisubizo kigomba kuba uruziga (hejuru ya gato 0,15 m ya diametre) uhereye kumugozi nkuwakira. Nyuma yibyo, hagati ahateganye nuruhande rwihuza, bapima mm 40 hanyuma ukureho insulation. Noneho antene irashobora gukoreshwa. Ikibi cyigikoresho ni urusaku rwacyo, kuva umugozi wanyuma ufunguye. Ariko kugirango ukoreshe by’agateganyo, antene nk’iyi izakora. Nigute ushobora gukora antenne yoroheje ya kabili irerekanwa muri videwo ikurikira: https://www.youtube.com/watch?v=XdD3nANJbQY

Kuri antenne nkiyi, birakenewe kugira tuneri ya T2 cyangwa TV igomba kuba yubatswe muri T2.

Antenna hanze

Ibikoresho byo gutangira gukora igikoresho nigikarito. Twatemye urukiramende 2 rwa 0.25×0.3 m uvuyemo. Ugomba kandi gutegura:

• Umugozi wa TV ufite plug;
• Bolt, nuts (2 pc.);
• icyuma, icyuma cyogosha;
• insinga (byaba byiza umuringa);
• impapuro cyangwa ibiryo;
• kole (umwanditsi arakwiriye).

Twagabanije kwadarato 2 mubipapuro byibiribwa (perimetero igomba kuba nkibikarito). Uhambire neza ku ikarito irimo ubusa. Dukuraho ibisigaye bya kole.

Mugihe ushyizeho ifiriti kubikarito, irinde icyuho no gusohoka, bitabaye ibyo kwakira nabi.

Imirambararo yakozwe izahinduka igice cyakira antene. Noneho duhuza umugozi. Hamwe nicyuma dukora umwobo kuri bolts – ku mfuruka ya kare (impande zegeranye). Noneho dushushanya imbere imbere muri kimwe mu byobo, naho hanze (icyuma). Dufunga imikoranire hamwe na bolts. Turabona kwakira neza duhuza umugozi na TV. Twimura kare mugihe dukomeza kubangikanya impande zegeranye. Tumaze kubona intera isabwa, twomeka kuri kare. Reba videwo yerekana intambwe ku yindi uburyo bwo gukora antene: https://youtu.be/gwqKRAePtZw

Koresha igikoresho gusa nka antenne yo mu nzu , nkuko foil idashobora kwihanganira ibidukikije neza.

Z-antenna – antenna ya decimeter kuri tereviziyo ya digitale DVB-T2

Iki gikoresho cyakorewe mu rugo nacyo cyitwa “Square”, “Zigzag yabaturage”, “Rhombus”. Igishushanyo gikurikira kirerekana verisiyo yoroshye ya zigzag. Kugirango wongere sensibilité, ifite ibikoresho byinjiza (1, 2) hamwe na ecran A. Niba urwego rwibimenyetso rwemewe, ibi ntibisabwa. Kugira ngo ukore antenne n’amaboko yawe bwite, uzakenera imiyoboro ikozwe mu muringa, aluminium, umuringa cyangwa imirongo ya metero 0.1-0.15 Mugihe ushyira imiterere hanze, aluminiyumu ntabwo ibereye cyane kuberako ishobora kwangirika. Kubikorwa byo gukora capacitive insert, foil, tin cyangwa mesh mesh birakwiye. Nyuma yo kwishyiriraho, bakeneye gukora kontour yo kugurisha.

Gushyira insinga bigomba gukorwa nta kugoreka gukabije no gushiramo uruhande.

. _ Kugirango ukore, ugomba guhunika:

• imbaho ​​z’ibiti;
• umuringa wometseho umuringa 0,6-1.2 mm;
• ibisigazwa bya fiberglass (foil), ibipimo kumuyoboro uhuye 1-5 / 6-12:
  • A = 340/95 cm;
  • B, C = cm 170/45;
  • b = cm 10 / 2,8;
  • H = 30/10 cm.

E – iyi ngingo irangwa nubushobozi bwa zeru – igituba kigomba kugurishwa kubisahani byuma kugirango bishyigikire. Ibipimo byerekana (nanone kumuyoboro uhuye 1-5 / 6-12):

• A \ u003d 62 / 17.5 cm;
• B = 30/13 cm;
• D = 320/90 cm.

Indi shusho hamwe nibindi bisobanuro bizafasha muguteranya antenne hano hepfo:

Kora-wowe ubwawe uhindura antenne ikora kuri TV ya Digital:

https://youtu.be/l1PuJLS7BlM

shushanya antenne umunani

Ifatwa nk’imwe mu bikoresho bikoreshwa mu rugo byakirwa na televiziyo. Afite kandi irindi zina – antenne ya Kharchenkocyangwa biquad. Nuburinganire bwa diyama ebyiri. Iki gikoresho kirashobora gukoreshwa neza mubihe bitandukanye, usibye inyubako zidasanzwe, kuko zibangamira kwakira ibimenyetso byerekanwe. Mugushushanya “umunani” birakenewe gukora imibare ikwiye, urebye uburebure bwumurongo. Impande zose za kare na kimwe cya kabiri cyuburebure bwigice cyumurongo kigomba guhura. Ingaruka zabyo, perimetero izaba ingana n’uburebure bwumuraba ubwawo. Kurugero, kuri DTV mukarere ka metropolitani, izaba ifite 0,6 m, kuruhande rumwe, m 0,15 m. Kugirango ukore antenne, ugomba guhunika kumuringa (mm 2-3) cyangwa aluminium (5-6 mm) insinga. Ukurikije igishushanyo mbonera, bizaba ngombwa gukora kare ebyiri. Birakenewe guca cm 2 kumutwe winsinga no kuzizirika hamwe kugirango

Witondere gutandukanya impera zifatanije zinsinga zombi, bitabaye ibyo antenne izasohoka gusa ikimenyetso.

Kuri Ikadiri, urumuri rworoshye rukoreshwa. Niba ibikorwa byose bikozwe neza, uwakiriye ahita akosorwa neza, kubera ko atari ngombwa kugenzura imikorere. Umugozi ugurishwa neza hagati, aho ihuriro ryinsinga rirangirira kuri imwe. Reba videwo yuburyo bwo gukora antenne ya biquadratic ukoresheje amaboko yawe: https://www.youtube.com/watch?v=3o0ZBUcL2f0

Ibintu bitatu cyangwa bine-bine byumuyoboro

Ubwoko bwa “wave” antenne yibintu bitatu birangwa no kuba hariho ibice bikurikira:

• umuyobozi, ufite uburebure buke kandi yerekeza ku munara wa TV;
• urukiramende;
• icyerekezo.

Kunguka ibikoresho – kugeza kuri 6 dB. Antenne irashobora gutora ibimenyetso bya DVB-T2 byerekanwe kuri tereviziyo ya kilometero 5 cyangwa mubyerekezo bigera kuri 30 km. Kudatanga inyungu nyinshi, igikoresho nkiki ntigikwiriye kwakirwa intera ndende yo kwakira ibimenyetso byerekanwe. Kugirango wongere inyungu, ugomba gutunganya ibikoresho hamwe nibintu icumi cyangwa byinshi. Biragoye cyane gukora antenne wenyine. Nibyiza kugira ibintu bitatu cyangwa bine. Algorithm y’ibikorwa niyi ikurikira:

1. Birakenewe guhunika ku nsinga z’umuringa cyangwa umuyoboro uva kuri cm 0.2 kugeza 0.5. Twagurishije ibyuma byerekana, umuyobozi na vibator kubayobora igikoresho.
2. Imiterere ifatanye na dielectric pole iri kuruhande rwumugozi. Antenne ihujwe nayo nigice cyumugozi wa antenne – U-inkokora, hamwe n’umuraba wa 75 oms. Uburebure bwabwo bwikubye nibintu bigufi biranga ikirango cyakoreshejwe.
3. Vibrator ya antenna igurishwa kumpande zombi hamwe na core yo hagati ya U-inkokora. Iyanyuma ihujwe muburyo bumwe na ecran ya kabili isohoka, kandi intangiriro yacyo ihujwe na antenna vibrator.

Kwiyongera k’umuyobozi umwe bizafasha kongera inyungu ntarengwa ya 2 dB, izatanga antenne enye yibintu bisohoka kandi byongere aho yakirwa neza ibirometero byinshi.

Igikorwa cyo gukora antenne yibintu bitatu “umuyoboro wamazi” irerekanwa muriyi videwo: https://www.youtube.com/watch?v=aLY0_7brvbo

Kabiri (gatatu) kare

Kwikorera wenyine iyi antenne isa no kubara hamwe nibikoresho bya biquad. Igishushanyo kiranga ni gahunda ya kare imwe imwe imwe imwe. Itandukaniro nyamukuru na antenne ya G8 ni ukubura kwakira ibimenyetso bihamye biva kuri televiziyo, bivanwa kure. Intego ya kabiri (triple) kare ni kwakira ibimenyetso kumurongo mwinshi. Akenshi umunara wa tereviziyo mu nyubako zegeranye cyane, nubwo zegeranye, hashobora kuba hari indi minara yakira imirongo itandukanye ihuza umuyaga wa decimeter. Iki gikoresho cyakozwe murugo gishobora kwakira imiraba yuburebure runaka ntakibazo, kandi igishushanyo mbonera cyibikoresho bikora nka amplifier. Imirambararo yashizwe kumurongo. Gushiraho igikoresho gihagaritse,

Huza kare kuri mugenzi wawe ntabwo ari kurubuga rukora, ariko ubifashijwemo na selile zisohoka. Niba ibi bidakozwe, shyira umugozi cyane hanyuma ubigurishe kugeza kumpande zo hasi, hanyuma ubihambire ku kabari.

Nyuma yo kurangiza guteranya kwaduka kwinshi, ubikosore byigihe gito kandi, muguhindura intera hagati yabo, garagaza ibimenyetso byiza byakiriwe, hanyuma ubikosore neza. Nigute wakora antenne kuva biquad nyinshi kugirango wongere inyungu irerekanwa muriyi videwo: https://youtu.be/6mCVeQgPqvE

Antenna DVB T2 “Ikinyugunyugu” (“Inyenzi”)

Mu buryo bwubaka, antene irangwa na antenne ihagaze neza. Muburyo bumwe, ibikoresho nkibi bisa nibikoresho bya pin byo muruganda rwa tereviziyo ya digitale ikorerwa muri Polonye, ​​ariko biratandukanye kuko bakoresha ikadiri aho gukoresha icyiciro. Gukora “ikinyugunyugu” n’amaboko yawe bwite, ugomba guhunika:

• imyitozo n’imigozi;
• umutegetsi n’umushoramari;
• insinga z’insinga;
• insinga (mm 6) ikozwe muri aluminium m 3 z’uburebure;
• Bolt hamwe nimbuto (16 pc.) cyangwa icyuma kigurisha;
• inkoni.

Nkuko bisanzwe, antenne yakozwe na polonye yakozwe na polonye igenewe gushyirwaho hanze, bivuze ko iki gishushanyo nacyo kizakenera gushyirwaho hanze. Kugira ngo uhangane n’umuyaga ukomeye, nibyiza gukoresha insinga z’umuringa (3 mm) kuri antenne ndende, ariko aluminiyumu nini.

Porogaramu ya TV ya Digital ikorana na tereviziyo 21 yumubiri (inshuro 314 MHz, uburebure bwa 0,63 m). Ibi bifitanye isano nimirasire isubiramo ya RTRS. Uburebure busabwa bwahantu bukora ni 0,16 m, kuri “antenne” zose – m 2,56. Kubwibyo, insinga ya metero eshatu izaba ihagije.

Inkoni ikoreshwa nk’ikadiri, uburebure bwayo bugomba kuba nibura 0,6 m. Ku ikarita, ni ngombwa gukora ibimenyetso bya “antenne”. Ibi bikorwa gutya:

1. Dushiraho amanota 4 ku ntera ingana (0.2 m).
2. Dushushanya imirongo duhereye ku ngingo, igomba kuryama ibangikanye kandi itandukanijwe kumurongo.
3. Dupima impande zegeranye za dogere 30 (2 ibumoso na 2 iburyo) duhereye kumurongo ugororotse tugashyiraho ingingo.
4. Dushushanya imirongo ku nguni yagenewe kuva hagati. Iyi mirongo izakora nk’icyerekezo cyo gushyiraho “antenne”.

Dufatiye ku gice cya kabiri cy’uburebure bwa metero 0,15 m, tuzasesengura uburyo bubiri bwo gukora antenne yigenga.

Gukora ukoresheje icyuma

Kuri iki kibazo, kubaka imiterere bizatwara igihe gito cyane. Ibicuruzwa byuma byashyizwe kumurongo kubiti. Kubwibyo, ibice 4 byibyuma bikoreshwa (birahuzwa nyuma) cyangwa insinga. Kugirango ubone ikimenyetso cya TE, birakenewe ko ikadiri yimbaho ​​ikomeza gufungura. Ahantu hafatirwa antenne hazakorwa nkibintu byingenzi kuri marike, kandi imirongo yashushanijwe ku nguni izabera aho iherereye. Dufata insinga, dukata ibice 16 (m 0,15 m buri umwe) hamwe nogukata insinga hanyuma tugurisha antenne yakozwe muri bo, igabanijwemo ibice 4, kugeza ku ngingo zose zerekanwe.

Hifujwe ko amatsinda yose yibintu apfunyika kaseti.

Bolting

Muri iki gishushanyo, nta byuma byongewe kumiterere yimbaho ​​bisabwa – kubwibyo, igikoresho kizaba cyoroshye. Inkoni yatoranijwe hamwe n’ibipimo bikurikira: ubugari – cm 4, ubugari – kuva kuri cm 2. Ubwa mbere, “ibyobo” kuri antenne byateguwe hamwe na myitozo. Bikorewe kuruhande rwinkoni kumurongo ugana imbere kumurongo. Nyuma yibyo, imyobo iracukurwa kandi ikanyura hafi ya tangent yibyobo. Ikadiri irakozwe. Twatemye ibice bya 0.17 m kuri wire (hamwe na margin), twimbike antenne yateguwe mumyobo ya cm 2, hanyuma tuyikosore neza hamwe nutubuto. Dupfunyika antenne hamwe ninsinga yoroheje, tugahuza.

Gukora antenne murubu buryo bisaba igihe kinini, ariko ibisohoka biraramba kuruta igishushanyo mbonera.

Nigute ushobora gukora antenne ya kinyugunyugu irerekanwa muriyi videwo: https://www.youtube.com/watch?v=zGpHdvDyt6s

Antenna N. Turkina kubwo kwakira televiziyo

Igikoresho kigizwe nimpeta 6 zinsinga zicyuma, zikora nka vibrateri ikora nibintu byoroshye kandi bigashyirwa kumurongo wa dielectric. Iyi antenne ifite imikorere myiza yo kwakirwa kurenza inshuro eshatu, bityo ikaba yashyizweho kenshi kugirango yakire intera ndende yo kwakira ibimenyetso bya DVB-T2. Antenne ya N. Turkin ni bande, bityo igenamigambi risobanutse rizakenerwa mugihe cyo kuyishyiraho. Igomba gushyirwaho mukarere ahari multiplex imwe gusa (niba hari ebyiri, noneho zigomba kuba kumuyoboro wa hafi). Iyo zikwirakwijwe kumubare munini wimiyoboro, kwakirwa bizaba bifite ubuziranenge. Igikoresho kigizwe n’ibice bikurikira:

• inkoni ya dielectric ikorerwamo;
• abayobozi D1 ÷ D3 hamwe na ecran ya R – ibintu byoroshye;
• V1, V2 – viboters;
• impeta ya ferrite (shyira kumugozi hafi yo guhuza viboters) – igikoresho gihuye.

Ihuza rya vibrateri ikora ishingiye ku busuwisi bw’Ubusuwisi: guhuza imiterere ihuza impeta hamwe no gukata hasi kuva hepfo.

Mugushiraho uzakenera:

• menyesha intera ya DVB-T2;
• gukora ibara ryukuri ryibipimo byigikoresho;
• kora ibice, ugurisha amashanyarazi.

Imibare yambere yumubare numubare wokubara urashobora kubisanga kuri serivise zabakoresha tereviziyo ya DVB-T2. Tuzareba tereviziyo ya digitale kumuyoboro wa 40, inshuro 626 MHz. Intera (L) hagati yibintu – 29, 72, 96, 60, 96 mm (yose hamwe – 353 mm). Umuzenguruko ni 470, 465, 460, 484, 489, 537 mm.
Tumaze guhitamo ibipimo, reka tugere kukazi:

1. Duhitamo akabari k’ibiti (uburebure bwacyo bugomba kuba burenze gato mm 353 mm) kugirango inkoni ikingira, insinga z’umuringa (byaba byiza metero kare 2,5 na m 4 z’uburebure).
2. Dushira akamenyetso ku mwobo impeta zomekaho, hanyuma tukazitobora.
3. Dukora vibrateri ikora nibintu byoroshye. Twagabanije umuringa umuzenguruko wa buri mpeta. Twunamye ibice byose mubice. Kuri vibrateri ikora, impera zimpeta zakozwe hamwe nu cyuho, bityo twongera uburebure bwibice kuri cm 8, tukabihuza kuruhande rwiburyo kuruhande. Twagurishije kunyuranya nintangiriro yubutaha.
4. Dukora caskade yibintu bya pasiporo bigufi, hanyuma tukabishyira kumurongo wamagambo. Twagurishije impeta irangira.
5. Dushiraho abayobozi muri traverse. Twanyuze hejuru yisimbuka ikozwe mu muringa muto, dusunika impeta ya vibrator kumpande zombi. Dupfunyika isimbuka hejuru yometse kumpande zombi turayigurisha.
6. Gushiraho vibrateri.
7. Shyiramo urumuri.
8. Duhuza umugozi.
9. Tugenzura ubwiza bwakiriwe.

Mbere yuko utangira gukora antenne ya TV ya digitale, ugomba kumenya imwe yakwemera neza imiterere ya DVB-T2. Nyuma yo gusuzuma ubwoko butandukanye bwa antene yakozwe murugo, urashobora guhitamo uburyo bwiza kubibazo byawe.