Cholinga, kusankha ndi kugwiritsa ntchito multiswitch kwa mbale ya satellite

Nyengo ya wailesi yakanema yapa satellite ikutha pang’onopang’ono, ndikutsegula mwayi watsopano wa kanema wawayilesi wapaintaneti. Komabe, si mfundo zonse padziko lapansi zomwe zili ndi intaneti yomwe ili pagulu. Kupereka nyumba yayikulu yokhala ndi satellite ndi chizindikiro chapadziko lapansi, multiswitch imagwiritsidwa ntchito. Tiyeni tiwunike mwatsatanetsatane chipangizo chake, chifukwa chake chikufunika komanso momwe chimalumikizidwa.

Ndi chiyani komanso chifukwa chiyani mukufunikira multiswitch pazakudya za satana

Multiswitch imagwira ntchito ngati “equalizer” ndi “distributor” ya satellite ndi chizindikiro chapadziko lapansi. M’malo mwake, ichi ndi chipangizo chaching’ono chomwe chimachepetsa kwambiri moyo wa okonda TV. [id id mawu = “attach_3889” align = “aligncenter” wide = “1024”]
Multiswitch pazakudya za satellite[/ mawu]

Chifukwa chiyani mukufunikira

Kuti mumvetse chifukwa chomwe mukufunikira multiswitch, muyenera kuthetsa mwambi umodzi: momwe mungapangire olembetsa anu mosasokoneza TV yamtundu wa satellite. Pa nthawi ya kutchuka kwambiri kwa TV ya satellite , funso lofunika kwambiri linabuka kwa ogwira ntchito . Njira yoyamba komanso yosavuta ndiyodziwikiratu: kasitomala m’modzi = mlongoti umodzi/satellite. Njirayi ndi yosavuta. Komabe, pamodzi ndi njira yosavuta, pali vuto losavuta: ngati pali zipinda 48 m’nyumba, ndipo nyumba iliyonse ikufuna kukhazikitsa TV ya satana, ndiye kuti padenga la nyumba padzakhala tinyanga 48 zomwe zimatumiza deta. Izi zikutanthauza kuti denga lidzatsekedwa kwathunthu ndi ma transmitters. M’madera ena n’zovuta, ndipo m’madera ena n’zoletsedwa kotheratu. Chosokoneza chachikulu ndi zingwe zambiri zomwe zimawonekera ku chilengedwe chakunja ndipo zimatha kubedwa padenga. Njira yachiwiri ndikuyika satellite converterndi kuchuluka kwa zotulutsa zofanana ndi kuchuluka kwa olembetsa. Komabe, apa munthu ayenera kuganizira osati onse olembetsa m’nyumba, komanso omwe angakhale olembetsa. Komanso pamsika tsopano ndizovuta kupeza chosinthira chomwe chili ndi zotulutsa zopitilira 4. [id id mawu = “attach_3892” align = “aligncenter” wide = “552”]
Satellite converter kwa 4 ndi 8 zotuluka [/ mawu] Njira yachitatu ndikugawa chizindikiro chosinthira. Poyambira, muyenera kuiwala kuti mulingo wa siginecha ya RF udzatsika ndi gawo lililonse. Ndikofunika kuti chogawacho chigwiritsidwe ntchito ndi chithandizo chapadera cha SAT PC, yomwe ili pakati pa 950 mpaka 2150 MHz, kuphatikizapo mphamvu yodutsa. Chosinthira cha SAT ndi cha zida zogwira ntchito, zomwe zimamvetsetsa malo ogwirira ntchito. Imayendetsedwa ndi mphamvu ya wolandila kapena gwero lina. Zikatero, chinthu china cha kudalira kwa olembetsa chimapangidwa. Ngati wobwereketsa wa nyumbayo akutumiza voteji pazipita kwa Converter (18 Volts), anansi ake, ndi polarity osiyana (mwachitsanzo, 12 Volts), sangathe kuchita izi ndipo adzasiyidwa opanda chizindikiro. Nthawi zina kunyalanyaza koteroko kumakhala kovomerezeka. Zikatero, mutha kugwiritsa ntchito chogawa chapakati cha ma frequency satellite sign. Ndizosiyana pang’ono ndi zogawanitsa – zomwe zimagwira zimabwezera kuchepa kwa chizindikiro cha chizindikiro panthawi yomwe chizindikiro chikudutsa pa chingwe. Zimapanganso kusiyana kwakukulu pakati pa njira zotuluka. Imagwira ntchito pamagetsi a 12 mpaka 18 volts. Mphamvu ndi zotheka kokha ndi thandizo la wolandira ndi pafupipafupi anathandiza 950 – 2400 MHz. Zonse zomwe zili pamwambazi zidakhazikitsidwa ndi oimira makampani a satana, koma palibe imodzi yomwe inali yothandiza. Panthawi yamalingaliro, Multiswitch idapangidwa. Chipangizocho chinapangidwa ngati yankho lachilengedwe chonse mumtundu “zonse zimagwira ntchito mubokosi limodzi”. Komabe, izi zimagwira ntchito pazotumiza zazing’ono – chizindikiro chapadziko lapansi kapena chizindikiro cha satana. [id id mawu = “attach_3888″ align = ”
Chithunzi cholumikizira cha Multiswitch [/ mawu]

Multiswitch chipangizo

Multiswitch imagwira ntchito ngati chosinthira chapadziko lonse lapansi. Imapereka kuyanjana kwa olandila ndi zotulutsa zosiyanasiyana kwa osinthira, kapena osintha osiyanasiyana. Ntchito yayikulu ndikupanga zinthu zonse zofunika kuti wolandila agwire ntchito. Ngati itagwa pamtsinje wa 13 volts, ndiye kuti multiswitch idzangotumiza ku doko lapadera la mphamvu iyi, pamtsinje wina – doko lina. Ubwino wa chipangizocho:

1. Ndi iyo , mutha kukana polarity imodzi kapena kuyenda kumodzi . Wolembetsa aliyense wolumikizidwa adzakhala ndi magawo onse ofunikira kuti agwire ntchito. Idzawonetsetsa kuti wolandilayo alumikizidwa ndi kulowa kolondola, ndipo molingana ndi chosinthira choyenera. Izi zimagwiranso ntchito polowa ndi kutuluka.
2. Kusintha kwa TV kumatenga gawo lowonjezera lapadziko lapansi la siginecha , mumtundu wa 5-862 MHz. Kuthamanga konseko kumapita kwa olembetsa kudzera pa chingwe chimodzi, osapitilira zingwe! Tsopano mukungofunika kukhazikitsa diplexer kumbali ya ogula – izi zidzakuthandizani kupeza madoko awiri odziimira pa satana ndi TV. [id id mawu = “attach_3887” align = “aligncenter” wide = “672”] Diplexer ndi multiswitch pamodzi zimakulolani kuti mulandire nthawi imodzi ma satellite ndi ma TV ma sign[/caption]
3. Imamasula madenga ndi ma facades a nyumba zogona , kuwonetsetsa kuti anthu onse okhalamo alandilidwa.

Momwe mungasankhire zida zomwe zilipo

Posankha, muyenera kuyambira pazifukwa ziwiri: kuchuluka kwa mfundo zolumikizirana komanso momwe zilili kutali ndi mlongoti. Malinga ndi mawonekedwe akuluakulu, multiswitch imagawidwa kukhala:

1. Mphamvu yamagetsi: kuchokera ku 220 V ndi ku 18 V.
2. Nambala yopezeka ya madoko olowetsa ndi zotuluka.

[id caption id = “attach_3885″ align=”aligncenter” width=”512″]
Multiswitch for a satellite dish for 4 TVs[/caption] Kuchuluka kwa mfundo kudzakuthandizani kumvetsetsa kuchuluka kwa zotuluka zomwe mukufunikira kuti mutenge chizindikirocho.

Cascadable kapena terminal

Mtunda wopita ku mlongoti umakhudza mwachindunji mtundu wofunikira wa multiswitch: cascaded kapena terminal.

Cascaded imagwiritsidwa ntchito kwambiri m’nyumba zogona, maofesi amakampani ndi nyumba zogonamo zomwe zili ndi anthu ambiri. Chipangizo chamtunduwu sichikusowa mphamvu ndipo chimawonjezeredwa ndi unyolo pamalo ogawa chizindikiro (nthawi zambiri pansi panyumba). Ndikofunika kuti zipangizozo zigwirizane. Ngati kuli kofunikira kulumikiza amplifier ya chizindikiro, jekeseni yamagetsi imalumikizidwa, yomwe imafunika kutulutsa kwa AC ndi mphamvu ya 220 volts. Pokwereramtundu wa multiswitch ukulimbikitsidwa kuti ukhazikitsidwe m’nyumba zapayekha kapena m’zipinda zazing’ono. Izi zimachitika chifukwa cha mtunda wapafupi ndi mlongoti. Chipangizocho chikuphatikizidwa mu switchboard, chifukwa ndi momwe zingwe zochokera ku antenna zimalowa ndi zomwe zingwe zimapita kwa wolandila. Terminal multiswitch imafuna magetsi. Ndiko kuti, mkati mwa utali wa mita payenera kukhala soketi yokhala ndi ma AC 220 volts.

Ma multiswitches omwe amagwira ntchito komanso opanda pake

Palinso magulu monga mitundu yogwira ntchito komanso yocheperako ya multiswitch. Chitsanzo chogwira ntchito chimaphatikizapo amplifier ya chizindikiro chophatikizika. Izi ndizofunikira ngati mukufunanso kulumikiza mlongoti wapamlengalenga. Kuti kusankha kusakhale kosavuta, ma brand ena amalemba zinthu zawo motere:

1. P – kungokhala chete.
2. A – yogwira.
3. U – mtundu wapadziko lonse lapansi.

Kwa gulu longokhala, kuthekera uku sikunaperekedwe. Kuti muchite izi, amplifier yamtundu wina wakunja imalumikizidwa, yomwe iyenera kugulidwa padera. Ma multiswitches osasunthika komanso ogwira ntchito amasiyana wina ndi mnzake pamagawo azizindikiro zolowera: yopanda pake imapereka chizindikiro chotsika.

Kodi multiswitch, cholinga ndi kugwiritsa ntchito chipangizochi ndi chiyani:

https://youtu.be/cggC3FLtdaE

Kugwirizana ndi kukhazikitsa

Multiswitch ili ndi zolumikizira zolowetsa (zofunikira pa otembenuza ), ndi zotulutsa (zolandira). Chiwerengero cha zolumikizira zotulutsa ndi chofanana ndi chiwerengero cha olandila olumikizidwa. Chiwerengero cha olandira chikufanana ndi chiwerengero cha makasitomala olumikizidwa. Kumvetsetsa tanthauzo la ntchito ya zolumikizira zotulutsa kumakhala kovuta kwambiri. Chizindikiro cha Ku-band chimadyetsedwa mmenemo, chomwe chimagawidwa m’magulu a polarization pamodzi ndi magulu awiri. Izi zikutanthauza kuti kuti mulandire chiwonetsero chonse cha mtsinje kuchokera ku chipangizo chimodzi chotumizira (kwathu, satana), muyenera kugwiritsa ntchito zolowetsa 4, kulumikiza zotulutsa zinayi zosinthira (nthawi zina, osintha osiyanasiyana). [id id mawu = “attach_3893” align = “aligncenter” wide = “425”]
Kujambula kwa mawaya a multiswitch kwa mbale ya satana kwa zotuluka 8 [/ mawu] Chizindikiro chamtundu Kuchokera pamlingo kupita kumagulu ang’onoang’ono sichigawidwa ndipo chimadyetsedwa chonse. Zokonda zochunira:

1. Ngati multiswitch ili ndi zolumikizira zolowera kuchokera pa 1 mpaka 4 kuti zilumikizidwe ndi chosinthira, mtengo wa DiSEqC uyenera kuzimitsidwa, kapena Kuyimitsidwa.
2. Ngati > zolowetsa 4, ndiye DiSEqC imayikidwa pamalo ½ kapena 2/2, ndi zina.
3. Kuti musinthe parameter ya 22kHz muzokonda za DiSEqC kwa wolandila, njirayi iyenera kupezeka.

Mitundu ya zilembo zolowera:

1. A – LOW BAND (pansipansi) – 13 v / oHz.
2. B – LOW BAND (pansipansi) – 18 v / 22kHz.
3. C – HIGT BAND (pamwamba subband) – 13 v / oHz.
4. D – LOW BAND (pamwamba subband) – 18 v / 22kHz.

Malumikizidwe ena amatengera chiwembu chomwe chatchulidwa. [id-caption id = “attach_3881” align = “aligncenter” wide = “500”] Dongosolo lolumikiza
multiswitch pa dish la satellite[/ mawu] Mlongoti wapadziko lapansi wokhazikika uyenera kulumikizidwa ndi cholumikizira ndi cholemba cha “Terr”, kapena chizindikiro kuchokera ku kanema kamera kunja. Kulumikiza ma radial multiswitch, chiwembu chotsatirachi chikugwiritsidwa ntchito:
Chithunzichi chikuwonetsa chitsanzo cha MR516. Kutengera dzina mu chilinganizo, dongosolo adzakhala 5 * 16. Padzakhala zolowetsa 5 (1 za TV yapadziko lapansi), ndi 4 zotumizira ma satellite. 4 chifukwa polarization iliyonse ili ndi magawo awiri.

Malangizo! Ndi bwino kugwiritsa ntchito pafupipafupi 11700 MHz monga malire a determinant wa ranges m’munsi ndi chapamwamba. Ndi chizindikiro ichi kuti ndi mtundu wa divisor.

Pambuyo pa mlongoti wapamlengalenga, chokulitsa cha TV chimayikidwa. Nthawi zambiri, chithandizo cha TV mu multiswitches sichitha, popanda kukulitsa. Izi zili choncho chifukwa cha kusiyana kwa kulandira chizindikiro cha mpweya, kugwiritsira ntchito molakwika komwe kungayambitse chisokonezo. Chithunzi chomwe chili pansipa chikuwonetsa chithunzi cholumikizira chipangizocho ku zosinthira ziwiri kuchokera ku tinyanga tating’ono kupita ku imodzi yapadziko lapansi:
Chithunzi pamwambapa chikuwonetsa momwe chosinthira cha quad chimatuluka mu mbale iliyonse. Pamapeto pake, zidatulutsa zolowera 8 za satellite, zotulutsa 32 ndi muyezo 1 wama siginecha apadziko lapansi ndikukulitsa pamayendedwe a TV. The cascade multiswitch imalumikizidwa motere:
Model MV516 imakhala ndi nyumba yachitsulo yomwe imateteza kapangidwe kake kuti zisasokonezedwe ndi ma elekitiroma akunja. Pali njira zonse zokhazikika komanso zogwira ntchito pa TV yapadziko lapansi. Momwe mungalumikizire ma TV 10 ku mlongoti umodzi pogwiritsa ntchito multiswitch: https://youtu.be/BjFxA5Fv_IM

Mafunso ndi Mayankho Amene Amafunsidwa Kawirikawiri

Funso loyamba lomwe limafunsidwa pafupipafupi ndilakuti: “Ndi mtundu wanji wa chizindikiro chomwe multiswitch ingathe kufalitsa?”. Yankho: kuwonjezera pa kutembenuka kwa satellite, multiswitch imadyetsanso ma amplifiers pa-air kudzera pakulowetsa kwa TV. Funso lachiwiri ndilakuti: “Chifukwa chiyani sindingathe kugwiritsa ntchito wolandila?”. Yankho: mungathe, koma njirayi si yoyenera zipinda zomwe sizikuloledwa kuyika zosaposa 3 olandila. Musaiwale kuti chizindikirocho chimagawidwa, potero chimapanga zotsatira za manja omangidwa. Funso lachitatu ndilakuti: “Ndingachepetse bwanji katundu wobwera pa wolandira ndekha?”. Yankho: Kuti muchite izi, tikulimbikitsidwa kuti mugule multiswitch, momwe magetsi osiyana adayikidwa kale. Funso lachinayi: “Kodi ndingagwiritse ntchito multiswitch, DiSEqC ndi diplexer pa satana imodzi?”.Yankho: “Makina amakono amapangitsa kuti izi zitheke popanda vuto lililonse.” Funso lachisanu: “Ndikusintha kotani kuti nditenge satellite yaku Europe?”. Yankho: “Universal”. Funso lachisanu ndi chimodzi: “Ndikufuna kulumikiza olandila 2 ku mbale imodzi. Kodi cholandila chabwino kwambiri ndi chiyani? Yankho: ayi, muyenera Converter. Funso lachisanu ndi chiwiri: “Switch ndi chiyani?”. Yankho: DiSEqC. Mfundo yaikulu ya chipangizocho ndi lingaliro la ntchito ya multiswitch ndi yosavuta: tinyanga zochepa kuti zikhale ndi ogwiritsa ntchito ambiri. Ndipo ndithudi izo ziri. Kachingwe kakang’ono kamene kamatha kulowa m’malo mwa mbale zambiri zachitsulo, ndikuwongolera kupsinjika kwa malo angapo okhala. Amagwiritsidwa ntchito kulekanitsa chizindikiro.