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Coax Connectors

Cholumikizira chingwe cha coaxial ndi cholumikizira chamagetsi chomwe chimagwiritsidwa ntchito kulumikiza chipangizo chakunja, monga mlongoti, ku chingwe cha coaxial. Zolumikizira izi ndizofunikira pakusunga kukhulupirika ndi kukhulupirika kwa ma radio frequency (RF) ma siginecha omwe amafalitsidwa kuchokera ku wailesi ya FM.

Pali zofananira zingapo zolumikizira chingwe cha coaxial, kuphatikiza cholumikizira cha RF, cholumikizira ma radio frequency, ndi coax cholumikizira. Mawuwa nthawi zambiri amagwiritsidwa ntchito mosinthana kutanthauza cholumikizira chamtundu uliwonse chomwe chimagwiritsidwa ntchito kulumikiza zingwe za coaxial kapena mizere yopatsira pamagetsi pamawayilesi.

Cholumikizira chingwe cha coaxial chimakhala ndi zigawo ziwiri zazikulu: cholumikizira chachimuna chomwe chimalumikizidwa ndi chingwe cha coaxial, ndi cholandirira chomwe chimalumikizidwa ku chipangizo chomwe chingwecho chidzalumikizidwa. Zolumikizira izi zidapangidwa kuti zizipangitsa kuti siginecha ya RF ikhale yosasunthika kudzera pa cholumikizira, chifukwa kusagwirizana kwa ma impedance kumatha kubweretsa kuwunikira komanso kutayika.

Cholumikizira chimagwira ntchito pogwiritsa ntchito cholumikizira chapakati cha chingwe cha coaxial, chomwe chimanyamula chizindikiro cha RF, kuti chilumikizane ndi soketi yofananira muchotengera cha chipangizocho. Nthawi yomweyo, kondakitala wakunja wa chingwe cha coaxial, chotchedwa chishango, amapanikizidwa mozungulira cholumikizira chakunja cha cholumikizira kuti asunge kulumikizana ndikumaliza kutchingira kuzungulira chizindikiro cha RF.

Pali mitundu ingapo ya zolumikizira zingwe za coaxial zomwe zimapezeka pamsika, zokhala ndi mapangidwe ndi mawonekedwe osiyanasiyana. Mitundu yotchuka kwambiri ya zolumikizira chingwe cha coaxial ndi monga BNC, N-mtundu, SMA, ndi F-mtundu zolumikizira. Mtundu wa cholumikizira chomwe chimagwiritsidwa ntchito zimatengera zomwe mukufuna kugwiritsa ntchito, monga kuchuluka kwa ma frequency a siginecha, kutulutsa mphamvu, ndi magwiridwe antchito omwe mukufuna.

Cholumikizira chingwe cha coaxial ndichofunikira pakuwulutsa chifukwa chimapereka kulumikizana kotetezeka komanso kodalirika pakati pa chingwe cha coaxial kapena chingwe chotumizira ndi mlongoti kapena transmitter. Zolumikizira zingwe za coaxial zidapangidwa kuti zipereke kutaya pang'ono, kusamutsa bwino kwambiri, komanso kukhazikika kwamagetsi kwamagetsi, zomwe ndi zinthu zofunika kwambiri pamawu owulutsa pawayilesi.

Muukadaulo wamakina owulutsa mawayilesi, kusankha kolumikizira chingwe cha coaxial kumachita gawo lalikulu pakuzindikira mtundu wa siginecha yowulutsa. Zolumikizira zingwe zapamwamba za coaxial zimapereka zinthu zabwino kwambiri zosinthira ma siginecha, zida zabwino zotchinjiriza, ndi chitetezo chapamwamba, motero amachepetsa phokoso ndi kusokonezedwa ndi magwero akunja omwe angawononge mtundu wa chizindikiro. Cholumikizira chingwe cha coaxial chosawoneka bwino chingayambitse kutsika kwa ma siginecha, kuwunikira, kapena kutsika, zomwe zingayambitse kutayika kwa mphamvu zotumizira ndipo, pamapeto pake, kutsika kwa ma siginecha.

Chifukwa china chomwe cholumikizira chingwe chapamwamba kwambiri cha coaxial chili chofunikira pamakina aukadaulo owulutsa pawailesi ndikuti chimatha kuchepetsa kwambiri chiwopsezo cha kulephera kwa zida. Cholumikizira chapamwamba kwambiri chimasunga kulumikizidwa kotetezeka kwa nthawi yayitali ndipo sikungathe kusweka, kusalongosoka, kapena kuwonongeka munyengo yovuta kapena kusintha kwanyengo.

Kufunika kwa zolumikizira chingwe cha coaxial pakuwulutsa kwa FM sikunganenedwe mopambanitsa. Zolumikizira zosawoneka bwino kapena zolumikizira zosayikidwa bwino zitha kukhudza kwambiri mtundu ndi mphamvu ya siginecha ya RF yomwe ikufalitsidwa. Izi zitha kupangitsa kuti ma siginecha atayike, kusokonezedwa, komanso kusokoneza kumvetsera kwa omvera a wayilesiyo.

Mwachidule, cholumikizira chingwe cha coaxial ndi gawo lofunikira kwambiri pamakina owulutsira pawayilesi chifukwa chimakhazikitsa kulumikizana kodalirika, kotayika kochepa kofunikira kuti muchepetse kutsika kwa ma sign, phokoso, komanso kusokoneza. Pochepetsa chiwopsezo cha kulephera kwa zida, zolumikizira zingwe za coaxial zimawonetsetsa kuti siginecha yamtundu wapamwamba kwambiri. Ndi mphamvu zawo zokhala ndi mgwirizano wokhazikika, wochepa kwambiri pakati pa chipangizo chakunja ndi chingwe cha coaxial, amawongolera bwino khalidwe ndi kudalirika kwa chizindikiro chopatsirana. Ndikofunikira kusankha ndikuyika zolumikizira zingwe zoyenera za coaxial molondola kuti muwongolere magwiridwe antchito a ma transmitters a FM ndikupereka mawayilesi apamwamba kwambiri.

Kodi kugwiritsa ntchito ma tpyes osiyanasiyana a coax cable zolumikizira ndi chiyani?
Mitundu yosiyanasiyana yolumikizira chingwe cha coaxial imakhala ndi ntchito zosiyanasiyana ndipo imayikidwa mosiyana kutengera zomwe zidzagwiritsidwe ntchito. Nawa mwachidule za zolumikizira zodziwika bwino za coaxial, ntchito zawo, ndi momwe zimayikidwira:

1. Zolumikizira za BNC (Bayonet Neill-Concelman): Zolumikizira za BNC zimagwiritsidwa ntchito pafupipafupi pamawayilesi ndi makanema, kuphatikiza kuwulutsa kwa FM. Ndiwotchuka chifukwa chotsika mtengo, kugwiritsa ntchito mosavuta, komanso kulumikiza mwachangu/kudula makina. Zolumikizira za BNC zimayikidwa ndikulowetsa cholumikizira pa chingwe cha coaxial, kutembenuza makina a bayonet mpaka itagundana, kenako ndikumangirira kolala, kukanikiza chishango motsutsana ndi cholumikizira ndikupanga kulumikizana kwa ulusi kudzera panjira yakunja. Zolumikizira za BNC zitha kugwiritsidwa ntchito ndi mitundu yosiyanasiyana ya chingwe cha coaxial, kuphatikiza RG-59 ndi RG-6.

2. Zolumikizira zamtundu wa N: Zolumikizira zamtundu wa N ndizodziwika kuti zigwiritsidwe ntchito pawailesi ya FM chifukwa zimatchinjiriza bwino ndikusunga zopinga zonse pama frequency osiyanasiyana. Nthawi zambiri amagwiritsidwa ntchito ndi ma transmitter amphamvu kwambiri ndipo amatha kunyamula ma frequency mpaka 11 GHz. Zolumikizira zamtundu wa N nthawi zambiri zimakhala ndi ulusi, zomwe zimafuna kuti coax ikulungidwe pa cholumikizira chachimuna ndikumangika pogwiritsa ntchito wrench. Zolumikizira zamtundu wa N nthawi zambiri zimagwiritsidwa ntchito ndi zingwe zapamwamba za coaxial, monga RG-213 kapena LMR-400.

3. Zolumikizira za SMA (Subminiature Version A): Zolumikizira za SMA zimagwiritsidwa ntchito pazinthu zosiyanasiyana, kuphatikiza kuwulutsa kwa FM, kulumikizana opanda zingwe, ndi GPS. Amakonda kugwiritsidwa ntchito ndi zida zomwe zimafuna cholumikizira chaching'ono, chophatikizika. Zolumikizira za SMA nthawi zambiri zimagwiritsidwa ntchito ndi zingwe zing'onozing'ono za coaxial monga RG-174 kapena RG-58, ndipo zimamangirizidwa ndikulumikiza cholumikizira pa chingwe cha coaxial. Zolumikizira za SMA zimapezekanso ndi kapangidwe ka reverse-polarity kuti zigwiritsidwe ntchito pa intaneti opanda zingwe ndi ma cellular network.

4. Zolumikizira zamtundu wa F: Zolumikizira zamtundu wa F zimagwiritsidwa ntchito kwambiri pama TV a chingwe ndi ma TV a satana. Amagwiritsidwanso ntchito m'mapulogalamu ena owulutsa ma FM, monga kulumikiza zotulutsa zowulutsa za FM ndi mlongoti wa omnidirectional. Zolumikizira zamtundu wa F zimayikidwa popotoza cholumikizira pa chingwe cha coaxial. Zolumikizira izi ndizoyenera kugwiritsidwa ntchito ndi zingwe za RG-6 ndi RG-59 coaxial.

Kusankhidwa kwa cholumikizira chingwe cha coaxial kumadalira kagwiritsidwe ntchito, kuchuluka kwa ma frequency, zofunikira zamagetsi, ndi magwiridwe antchito omwe mukufuna. Nthawi zambiri, zolumikizira zingwe za coaxial zimayikidwa pozisuntha pa chingwe cha coaxial, kenako ndikuziteteza pogwiritsa ntchito ulusi wamtundu wa bayonet. Kuyika kwabwino kolumikizira chingwe cha coaxial kumatsimikizira kulumikizidwa kocheperako, kutchingira bwino ndi kuyika pansi, komanso kutumizira ma siginecha odalirika.

Mwachidule, mitundu yosiyanasiyana yolumikizira chingwe cha coaxial imakhala ndi ntchito zosiyanasiyana komanso zofunikira zoyika kutengera zomwe zimafunidwa pawailesi ya FM ndi ntchito zina zotumizira ma siginecha. BNC, N-mtundu, SMA, ndi zolumikizira zamtundu wa F ndi zina mwa mitundu yogwiritsiridwa ntchito kwambiri yolumikizira ma coaxial pakuwulutsa kwa FM. Kusankha cholumikizira choyenera ndikuchiyika moyenera ndikofunikira kuti musunge kufalikira kwapamwamba komanso kuchepetsa chiopsezo cha kusokoneza kapena kutayika kwa chizindikiro.
Kodi zolumikizira zingwe za coaxial zitha kugwiritsidwa ntchito ndi mizere yolimba yotumizira?
Zolumikizira zingwe za coaxial zitha kugwiritsidwa ntchito ndi mizere yolimba, koma mitundu ina ya zolumikizira za coaxial zimapangidwira kuti zigwiritsidwe ntchito ndi mizere yolimba. Mizere yolumikizira yolimba imagwiritsidwa ntchito pamapulogalamu amphamvu kwambiri pomwe mtunda wapakati pa RF amplifier ndi tinyanga tating'onoting'ono, komanso komwe kutayika kochepa komanso kuwongolera mphamvu kumafunikira.

Cholumikizira chimodzi chodziwika bwino chomwe chimagwiritsidwa ntchito mumizere yowongoka ndi cholumikizira chamtundu wa N. Zolumikizira zamtundu wa N zidapangidwa makamaka kuti zizigwiritsidwa ntchito ndi zingwe za coaxial zogwira ntchito kwambiri komanso mizere yolumikizira yolimba. Amapezeka m'mitundu yonse ya 50 ohm ndi 75 ohm, kuwapangitsa kukhala oyenera kugwiritsidwa ntchito pamapulogalamu osiyanasiyana, kuphatikiza kuwulutsa kwa FM ndi mapulogalamu ena amphamvu kwambiri a RF.

Mitundu ina ya zolumikizira za coaxial, monga zolumikizira za BNC kapena SMA, sizimagwiritsidwa ntchito m'mizere yolimba yopatsira chifukwa sizinapangidwe kuti zizitha kuthana ndi mphamvu zambiri zomwe zimagwirizanitsidwa ndi mapulogalamuwa. M'malo mwake, zolumikizira zomwe zimagwiritsidwa ntchito ndi mizere yolumikizira yolimba nthawi zambiri zimavotera ma voliyumu apamwamba komanso magetsi apamwamba, okhala ndi zomangira zolimba komanso zida zolimba kuti zipirire zovuta zotumizira mphamvu zambiri.

Mwachidule, zolumikizira zingwe za coaxial zitha kugwiritsidwa ntchito ndi mizere yolimba yopatsira, koma mitundu ina yokha ya zolumikizira ndiyoyenera kugwiritsidwa ntchito pamagetsi apamwamba komanso okwera kwambiri. Zolumikizira zamtundu wa N ndizosankha zodziwika kuti zigwiritsidwe ntchito pamizere yopatsirana yolimba, chifukwa cha zomangamanga zawo zolimba, kuwunika kwamphamvu kwamphamvu, komanso kulumikizidwa kocheperako ku chingwe chotumizira. Pamapulogalamu owulutsa a FM, kusankha cholumikizira choyenera cha pulogalamuyo ndikofunikira kuti mukwaniritse magwiridwe antchito komanso kudalirika.
Kodi mitundu yodziwika bwino ya coaxial chingwe cholumikizira ndi kusiyana kwake ndi iti?
Pali mitundu ingapo ya zolumikizira chingwe cha coaxial zomwe zimagwiritsidwa ntchito kwambiri pakuwulutsa pawayilesi. Nawa mitundu yodziwika bwino komanso mawonekedwe ake akuluakulu:

1. BNC (Bayonet Neill-Concelman): Uwu ndi mtundu wa cholumikizira cha RF cholumikizira mwachangu chomwe chili ndi njira yolumikizira ya bayonet. Amagwiritsidwa ntchito kwambiri potsatsa malonda chifukwa cha mtengo wake wotsika komanso zomangamanga. Zolumikizira za BNC ndi zazing'ono, ndipo zimagwiritsidwa ntchito makamaka potengera mizere yokhala ndi mainchesi osakwana 0.5.

2. N-Mtundu: Ichi ndi cholumikizira cha RF cholumikizidwa chomwe chimagwiritsidwa ntchito nthawi zambiri pamapulogalamu omwe amafunikira mphamvu zapamwamba, monga zomwe zimagwiritsidwa ntchito powulutsa pawailesi yakanema. Zolumikizira zamtundu wa N nthawi zambiri zimakhala zodalirika komanso zotetezeka kwambiri poyerekeza ndi zolumikizira za BNC.

3. SMA (SubMiniature version A): Ichi ndi cholumikizira cha RF cholumikizidwa chomwe chimagwiritsidwa ntchito nthawi zambiri pamapulogalamu omwe kukula kuli kodetsa nkhawa, monga pazida zowulutsira zonyamula. Zolumikizira za SMA zili ndi zida zabwino kwambiri zamagetsi, komabe, sizinapangidwe kuti zizigwiritsidwa ntchito ndi mphamvu zambiri.

4. Mtundu wa F: Ichi ndi cholumikizira cha RF cholumikizidwa chomwe chimagwiritsidwa ntchito kwambiri pazingwe ndi ma TV a satellite. Zolumikizira zamtundu wa F zili ndi mtengo wotsika, ndipo ndizosavuta kuziyika, koma sizodalirika kapena zolimba monga zolumikizira zina.

5. TNC (Threaded Neill-Concelman): Ichi ndi cholumikizira cha RF chokhala ndi ulusi chomwe chimagwiritsidwa ntchito nthawi zambiri pamapulogalamu omwe amafunikira ma siginoloji apamwamba kwambiri, monga mumayendedwe a satellite kapena makina a radar. Zolumikizira za TNC zidapangidwa kuti zizipirira kutentha kwambiri komanso kugwedezeka, kuzipangitsa kukhala zabwino m'malo ovuta.

Ponena za ubwino ndi kuipa, mtundu uliwonse wolumikizira uli ndi mawonekedwe ake apadera. Mwachitsanzo, zolumikizira za BNC zimagwiritsidwa ntchito kwambiri poulutsira mawu chifukwa chotsika mtengo komanso zomanga zolimba, pomwe zolumikizira zamtundu wa N zimagwiritsidwa ntchito pamagetsi apamwamba chifukwa chodalirika kwambiri. Zolumikizira za SMA ndi chisankho chabwino pazida zowulutsira zam'manja chifukwa cha kukula kwake kochepa, pomwe zolumikizira zamtundu wa F zimagwiritsidwa ntchito kwambiri pamapulogalamu apawailesi yakanema ndi ma satellite chifukwa chotsika mtengo komanso zosavuta kuziyika. Zolumikizira za TNC ndizoyenera kugwiritsa ntchito pafupipafupi kwambiri chifukwa chotha kupirira kutentha kwambiri komanso kugwedezeka.

Mtengo wamtundu uliwonse wolumikizira umasiyana malinga ndi wopanga, koma nthawi zambiri, zolumikizira zamtundu wa BNC ndi F zimakonda kukhala zotsika mtengo, pomwe zolumikizira zamtundu wa N ndi TNC zitha kukhala zokwera mtengo kwambiri chifukwa chodalirika komanso kulimba kwawo.

Ntchito ndi zingwe zofananira za coaxial kapena mizere yolimba yopatsira zimatengera zofunikira panjira yowulutsira. Zingwe za coaxial nthawi zambiri zimagwiritsidwa ntchito pazinthu zomwe zimafuna kusinthasintha komanso zosavuta kuziyika, monga zida zonyamulika. Komano, mizere yolumikizira yolimba imagwiritsidwa ntchito m'malo okhazikika pomwe kukhazikika ndikofunikira.

Pankhani yoyambira ndi masinthidwe, zolumikizira zonse za coaxial zimakhala ndi cholumikizira chachimuna kapena chachikazi chomwe chimalumikizidwa kumapeto kwa chingwe cha coaxial kapena chingwe cholumikizira cholimba. Cholumikizira chachimuna nthawi zambiri chimakhala ndi pini yapakati yomwe imalumikizana ndi cholumikizira chapakati cha chingwe kapena chingwe chotumizira, pomwe cholumikizira chachikazi chimakhala ndi socket yomwe imalandira pini yapakati ya cholumikizira chachimuna.

Zolumikizira zina zimatha kukhala ndi mawonekedwe a flange kapena osasinthika, kutengera ntchito. Zolumikizira zopanda malire nthawi zambiri zimagwiritsidwa ntchito popanga malo pomwe malo ali ochepa, pomwe zolumikizira za flanged zimagwiritsidwa ntchito pazomwe zimafunikira kulumikizana kotetezeka kapena kokhazikika.

Njira zoyikira zimasiyanasiyana kutengera mtundu wa cholumikizira komanso zofunikira za pulogalamuyo. Zolumikizira zina zingafunike chida chapadera cha crimping kapena zida zina zoyikira, pomwe zina zitha kukhazikitsidwa pogwiritsa ntchito wrench kapena pliers.

Pankhani ya kukula ndi maonekedwe, makulidwe olumikizira amatha kuchoka ku zolumikizira zazing'ono za SMA kupita ku zolumikizira zazikulu zamtundu wa N. Maonekedwe a cholumikizira chidzadalira wopanga ndi mapangidwe enieni a cholumikizira, koma zolumikizira zonse zidzakhala ndi mawonekedwe a mfundo zolumikizirana za amuna ndi akazi.

Ndizofunikira kudziwa kuti posankha cholumikizira chingwe cha coaxial chowulutsira pawailesi, ndikofunikira kuwonetsetsa kuti cholumikiziracho chikugwirizana ndi chingwe chofananira kapena chingwe chotumizira. Izi zikuphatikiza kuwonetsetsa kuti cholumikiziracho chili ndi mulingo woyenera wolepheretsa, womwe nthawi zambiri umakhala 50 ohms kapena 75 ohms pamapulogalamu ambiri owulutsa.

Kuphatikiza apo, ndikofunikira kuganizira za chilengedwe momwe cholumikizira chidzagwiritsidwa ntchito. Mwachitsanzo, zolumikizira zomwe zimagwiritsidwa ntchito poyikira mawayilesi akunja zingafunike kusamva nyengo, pomwe zolumikizira zomwe zimagwiritsidwa ntchito kumalo otentha kwambiri kapena pamalo omwe ali ndi chinyezi chambiri zingafunike kupangidwa kuti zisawonongeke.

Ponseponse, mtundu wa cholumikizira chingwe cha coaxial chomwe chimagwiritsidwa ntchito poyikira pawayilesi chidzatengera zinthu zosiyanasiyana, kuphatikiza zofunikira zogwiritsira ntchito, mitundu ya zingwe kapena mizere yopatsira yomwe ikugwiritsidwa ntchito, komanso momwe chilengedwe chimathandizira zolumikizirazo. Poganizira mozama zinthuzi ndikusankha cholumikizira choyenera pazochitika zilizonse, owulutsa amatha kutsimikizira kufalikira kwa ma siginecha odalirika komanso apamwamba pakuyika kwawo.
Kodi mungasankhire bwanji coaxial chingwe cholumikizira kutengera ntchito?
Posankha cholumikizira chingwe cha coaxial kuti mugwiritse ntchito pawayilesi, ndikofunikira kuganizira zinthu zingapo, kuphatikiza ma frequency ofunikira, kuchuluka kwa mphamvu zomwe zikukhudzidwa, komanso zofunikira pakugwiritsa ntchito. Nawa maupangiri ena onse posankha cholumikizira pamapulogalamu wamba owulutsa:

1. Kuwulutsa kwa UHF: Kuwulutsa kwa UHF nthawi zambiri kumafuna zolumikizira zomwe zimatha kunyamula ma siginecha apamwamba kwambiri, monga zolumikizira za TNC kapena N-mtundu. Zolumikizira izi zimakhala ndi ma frequency apamwamba kwambiri ndipo zimatha kuthana ndi mphamvu zapamwamba, zomwe zimawapangitsa kukhala abwino pamapulogalamu a UHF.

2. Kuwulutsa kwa VHF: Kuwulutsa kwa VHF nthawi zambiri kumagwira ntchito motsika kwambiri kuposa UHF, ndipo nthawi zambiri kumafuna zolumikizira zomwe zimatha kuthana ndi mphamvu zochepa. Zolumikizira za BNC nthawi zambiri zimakhala zosankha zabwino pamapulogalamu a VHF, chifukwa zimatha kuthana ndi ma frequency mpaka 4 GHz ndipo zimakhala zotsika mtengo.

3. Kuwulutsa kwa FM: Kuwulutsa kwa FM nthawi zambiri kumafuna zolumikizira zomwe zimatha kunyamula mphamvu zapamwamba kuposa VHF kapena UHF, komanso ma siginecha apamwamba kwambiri. Zolumikizira zamtundu wa N nthawi zambiri zimakhala chisankho chabwino pamapulogalamu a FM chifukwa champhamvu zawo zogwirira ntchito komanso mawonekedwe abwino kwambiri azizindikiro.

4. AM kuwulutsa: Kuwulutsa kwa AM nthawi zambiri kumagwira ma frequency otsika kuposa ma FM, ndipo kumafuna zolumikizira zomwe zimatha kuthana ndi ma frequency otsika awa. Zolumikizira zamtundu wa F zimagwiritsidwa ntchito nthawi zambiri pamapulogalamu owulutsa a AM, chifukwa zimatha kunyamula ma frequency mpaka 5 MHz ndipo zitha kugwiritsidwa ntchito ndi ma transmission otsika mphamvu.

5. Kuwulutsa pa TV: Kuwulutsa kwapa TV nthawi zambiri kumafuna zolumikizira zomwe zimatha kuthana ndi ma frequency osiyanasiyana, komanso mphamvu zambiri zamapulogalamu ena. BNC, N-mtundu, ndi zolumikizira za TNC zonse zimagwiritsidwa ntchito powulutsa pa TV, kutengera zofunikira za pulogalamuyo.

Ndikofunika kuzindikira kuti awa ndi malangizo anthawi zonse, ndipo zofunikira pa pulogalamu iliyonse yowulutsa zitha kusiyanasiyana kutengera kuchuluka kwa mphamvu zotumizira, kupindula kwa tinyanga, ndi malo ozungulira. Posankha cholumikizira chingwe cha coaxial kuti muyikeko mawayilesi, ndikofunikira kuganizira mozama zinthu zonsezi ndikusankha cholumikizira chomwe chili choyenera pazofunikira za pulogalamuyo.
Kodi cholumikizira chingwe cha coaxial ndi chiyani?
Mapangidwe a cholumikizira chingwe cha coaxial amatha kusiyanasiyana kutengera mtundu ndi kapangidwe ka cholumikizira, koma kawirikawiri, pali zigawo zingapo zomwe zimapezeka pazolumikizira zambiri. Izi zikuphatikizapo:

1. Thupi Lolumikizira: Thupi lolumikizira ndilo gawo lalikulu la cholumikizira, ndipo limapangidwa kuchokera kuchitsulo kapena pulasitiki. Thupi likhoza kupangidwa ndi ulusi kapena kukhala ndi njira yolumikizira ya bayonet, kutengera kapangidwe ka cholumikizira.

2. Pin yapakati: Pini yapakati ndi kondakitala wachitsulo womwe umachokera pakati pa cholumikizira thupi, ndipo umagwiritsidwa ntchito polumikizana ndi kondakita wapakati wa chingwe cha coaxial. Pini yapakati nthawi zambiri imagwiridwa ndi kasupe kapena makina ena omwe amapereka magetsi otetezeka.

3. Dielectric Insulator: Dielectric insulator ndi zinthu zosagwiritsa ntchito zomwe zimazungulira pini yapakati ndikuzilekanitsa ndi woyendetsa wakunja wa chingwe cha coaxial. Insulator nthawi zambiri ndi pulasitiki yolimba kapena yosinthika yomwe imathandiza kusunga mphamvu zamagetsi za cholumikizira.

4. Kondakitala Wakunja: Kondakitala wakunja amazungulira insulator ya dielectric ndipo amapereka chishango chotsutsana ndi kusokonezedwa ndi ma elekitiroma. Kondakitala wakunja amapangidwa kuchokera ku chitsulo, monga mkuwa kapena aluminiyamu, ndipo akhoza kupangidwa ngati chidutswa chimodzi cholimba kapena mndandanda wa zidutswa zolumikizana.

5. Gasket kapena O-Ring: Gasket kapena O-ring imagwiritsidwa ntchito popanga chisindikizo cholimba cha nyengo pakati pa cholumikizira ndi chingwe cha coaxial kapena chingwe chotumizira. Gasket nthawi zambiri amapangidwa kuchokera ku mphira kapena pulasitiki ndipo amapangidwa kuti athe kupirira zosiyanasiyana zachilengedwe.

6. Mtedza Wophatikizana: Nati yolumikizira imagwiritsidwa ntchito kulumikiza cholumikizira ku chingwe cha coaxial kapena chingwe chotumizira, ndipo imapereka kulumikizana kotetezeka kwamakina. Mtedza wolumikizira nthawi zambiri umakhala wa ulusi ndipo ukhoza kupangidwa ngati gawo limodzi kapena magawo angapo, kutengera kapangidwe kacholumikizira.

Zigawozi zikasonkhanitsidwa, zimapanga cholumikizira chathunthu cha coaxial chomwe chitha kugwiritsidwa ntchito kulumikiza zingwe za coaxial kapena mizere yopatsirana pazinthu zosiyanasiyana.
Momwe mungayikitsire cholumikizira chingwe cha coaxial molondola?
Kuyika cholumikizira chingwe cha coaxial pa mlongoti wowulutsa pawailesi kumafuna njira zingapo kuti mutsimikizire kulumikizana kodalirika. Nayi njira yokhazikitsira:

1. Sankhani cholumikizira choyenera: Sankhani cholumikizira chomwe chikugwirizana ndi mtundu wa chingwe cha coaxial chomwe mugwiritse ntchito, chokhala ndi ma frequency ofunikira komanso mphamvu yogwirira ntchito ya mlongoti ndi transmitter.

2. Konzani chingwe: Masulani jekete lakunja la chingwe cha coaxial kuti muwonetse kondakitala wamkati ndi dielectric insulator. Chepetsani dielectric mpaka kutalika koyenera kutengera cholumikizira.

3. Ikani cholumikizira: Mosamala sungani cholumikizira pa chingwe cha coaxial chokonzekera, motsatira malangizo a wopanga. Sonkhanitsani cholumikizira ndi ulusi pa nati wolumikizira kuti mutetezeke.

4. Thimitsa chingwe: Solder kapena crimp cholumikizira chapakati pa cholumikizira chamkati, kuwonetsetsa kuti chimalumikizana bwino ndi magetsi. Gwirizanitsani chowongolera chakunja ku thupi lolumikizira, pogwiritsa ntchito mphete ya crimp yoperekedwa ndi cholumikizira.

5. Gwirizanitsani mlongoti ndi potumiza: Lumikizani mbali ina ya chingwe cha coaxial ku mlongoti ndi potumiza. Onetsetsani kuti mlongoti wakhazikika komanso kuti maulalo onse ndi otetezeka.

6. Yesani kuyika: Gwiritsani ntchito choyesa chingwe kuti muwonetsetse kuti palibe zazifupi kapena mabwalo otseguka pakuyika. Yang'anani mtundu wa chizindikiro chotumizira kuti muwonetsetse kuti mlongoti walumikizidwa bwino ndikugwira ntchito moyenera.

Mukayika cholumikizira chingwe cha coaxial pa mlongoti woulutsira wailesi, pali zinthu zingapo zomwe muyenera kukumbukira:

- Gwirani ntchito mosamala mukamavula ndi kukonza chingwe cha coaxial, kupewa kuwononga kondakitala wamkati kapena dielectric.
- Tsatirani malangizo a wopanga mosamala mukayika cholumikizira chingwe cha coaxial, kuti muwonetsetse kuti mukugwiritsa ntchito njira yoyenera yolumikizira yomwe mwapatsidwa.
- Gwiritsani ntchito mosamala komanso moyenera chitetezo mukamagwira ntchito ndi zida zotumizira, chifukwa ma voliyumu okwera komanso kuchuluka kwamagetsi kumatha kubweretsa ngozi.
- Yesani kuyika mosamala musanayike mlongoti muutumiki, kuti muwonetsetse kuti ikugwira ntchito moyenera ndikupereka chizindikiro chodalirika.
Zomwe zimafunikira kwambiri za cholumikizira chingwe cha coaxial
Zofunikira kwambiri zakuthupi ndi RF za cholumikizira chingwe cha coaxial ndi monga:

1. Kusakhulupirika: Kulepheretsa kwa cholumikizira kuyenera kufanana ndi chingwe ndi zigawo zina panjira yolumikizira. Nthawi zambiri, zolumikizira chingwe cha coaxial zimakhala ndi cholepheretsa cha 50 kapena 75 ohms.

2. Mafupipafupi osiyanasiyana: Kuchuluka kwafupipafupi kumatanthawuza kuchuluka kwafupipafupi komwe cholumikizira chingathe kufalitsa popanda kuwonongeka kwakukulu kwa chizindikiro. Ichi ndi chofunikira kwambiri, makamaka pamapulogalamu apamwamba kwambiri monga kuwulutsa pawayilesi.

3. Kugwiritsa Ntchito Mphamvu: Mphamvu yayikulu yomwe cholumikizira chingathe kuchita popanda kuwononga kapena kutayika kwa chizindikiro ndichinthu china chofunikira kwambiri. Ndikofunikira kuwonetsetsa kuti mphamvu yolumikizira mphamvu ya cholumikizira ndiyokwanira mphamvu ya cholumikizira, kuti isawononge kapena kutsitsa chizindikiro.

4. Mtundu Wolumikizira: Pali mitundu ingapo yolumikizira coaxial yomwe ilipo, kuphatikiza BNC, SMA, N-Type, ndi TNC. Mtundu wa cholumikizira umakhudza kuchuluka kwa ma frequency, kagwiridwe ka mphamvu, ndi kukula kwa thupi, zomwe zimapangitsa kuti zigwirizane ndi cholumikizira ndi pulogalamuyo.

5. Kutayika Kwawo: Kutayika kwa kuyika kwa cholumikizira ndiko kuchuluka kwa kutayika kwa chizindikiro komwe kumachitika chifukwa cholowetsa cholumikizira munjira yolumikizira. Kutsika kwa kutayika koyikirako, kumapangitsanso bwino kusamutsira chizindikiro.

6. Voltage Standing Wave Ratio (VSWR): VSWR ndi muyeso wa chiwonetsero chazizindikiro chomwe chimachitika chifukwa cha kusagwirizana pakati pa cholumikizira ndi mlongoti kapena chingwe chotumizira. VSWR yokwera imatha kubweretsa kuwonongeka kwa ma sign kapena kuwonongeka kwa gwero la siginecha.

7. Malo Ogwirira Ntchito: Malo omwe cabling idzagwiritsidwe iyenera kuganiziridwa posankha cholumikizira. Mwachitsanzo, ngati cabling idzagwiritsidwa ntchito panja panja, cholumikizira cholemera kwambiri, chosagwirizana ndi nyengo chingakhale choyenera.

Mwachidule, mawonekedwe akuthupi ndi ma RF a cholumikizira chingwe cha coaxial ndizofunikira kuti zitsimikizire kutumizidwa koyenera kwa siginecha ya RF. Zolemba izi zikuphatikiza kusokoneza, kuchuluka kwa ma frequency, kugwiritsa ntchito mphamvu, mtundu wolumikizira, kutayika koyikira, ndi VSWR. Ndikofunikira kusankha cholumikizira chokhala ndi mindandanda yoyenera ya pulogalamuyo ndi makina kuti muwonetsetse kuti zikuyenda bwino komanso kutumiza kodalirika kwa siginecha yowulutsa.

Nthawi zambiri, mtundu wa chingwe cha coaxial ndi cholumikizira cha transmitter ndiye zinthu zofunika kwambiri kuziganizira posankha cholumikizira chingwe cha coaxial. Kuti mupeze zotsatira zabwino, gulani zolumikizira zomwe zidapangidwa kuti zizigwira ntchito ndi chingwe cha coaxial chomwe mukugwiritsa ntchito, ndikusankha cholumikizira chomwe chimagwirizana ndi mtundu wa cholumikizira cha cholumikizira chanu.

Ndikofunikiranso kulingalira za malo ogwirira ntchito komanso kuchuluka kwa ma frequency, chifukwa zinthuzi zitha kukhala ndi gawo pakuchita komanso kudalirika kwa kutumizira ma siginecha. Kugwiritsa ntchito cholumikizira chosagwirizana kapena cholumikizira chosagwirizana kungayambitse kutayika kwa ma siginecha, kuwonongeka, kapena kulephera kwathunthu, chifukwa chake ndikofunikira kusankha bwino.
Ndi zigawo ziti zomwe zimakhala ndi pulogalamu ya antenna yowulutsa?
Dongosolo la antenna yowulutsa pawailesi imakhala ndi zigawo zingapo ndi zida, kuphatikiza:

1. Mlongoti: Mlongoti ndiye chigawo chachikulu cha njira yowulutsira pawailesi yomwe imagwiritsidwa ntchito pofalitsa kapena kulandira ma sign. Amapangidwa kuti aziwunikira mafunde a electromagnetic m'malo ozungulira. Cholumikizira chingwe cha coaxial chimapereka kulumikizana pakati pa mlongoti ndi chingwe chotumizira.

2. Njira yotumizira: Mzere wotumizira umanyamula chizindikiro kuchokera pa transmitter kupita ku antenna ndi mosemphanitsa. Zapangidwa kuti zichepetse kutayika kwa kufalikira ndi kusagwirizana kwamtundu womwe ungakhudze mtundu wa chizindikiro. Cholumikizira chingwe cha coaxial chimapereka kulumikizana kotetezeka komanso kodalirika pakati pa chingwe chotumizira ndi mlongoti.

3. Transmitter: Ma transmitter amapanga ma radio frequency siginecha omwe amakulitsidwa ndikufalikira kudzera mu mlongoti. Ili ndi udindo wosintha ma sign amagetsi kukhala ma electromagnetic sign omwe amatha kutumizidwa pamlengalenga.

4. Wolandira: Wolandirayo ali ndi udindo wolandira zizindikiro zotumizidwa. Amagwiritsidwa ntchito powulutsa pawailesi kuti alandire njira zosiyanasiyana zowulutsira ma frequency osiyanasiyana.

5. Chingwe cha Coaxial: Chingwe cha coaxial ndi mtundu wa chingwe chomwe chimagwiritsidwa ntchito potumiza zizindikiro zapamwamba kwambiri ndi kutayika kochepa komanso kusokoneza kochepa. Chingwechi chimakhala ndi kondakitala wapakati wozunguliridwa ndi insulation ndi chishango chakunja. Cholumikizira chingwe cha coaxial chimapereka malo olumikizirana pakati pa chingwe cha coaxial ndi chingwe chotumizira kapena mlongoti.

6. Cholumikizira Chingwe cha Coaxial: Cholumikizira chingwe cha coaxial ndi chipangizo chomwe chimagwiritsidwa ntchito kuthandizira kulumikizana pakati pa chingwe cha coaxial, chingwe chotumizira, ndi tinyanga. Zapangidwa kuti zizipereka zolumikizira zotetezeka komanso zokhazikika zamagetsi, kuchepetsa kutaya ndi kusokoneza kutumizirana mameseji, ndikuwonetsetsa kuti ma siginecha akhazikika komanso oyenera.

Mwachidule, dongosolo la antenna yowulutsa pawailesi lili ndi zigawo zingapo ndi zida zomwe zimagwirira ntchito limodzi kufalitsa ndikulandila ma wayilesi. Zigawozi zimaphatikizapo mlongoti, chingwe chotumizira, chotumizira, cholandirira, chingwe cha coaxial, ndi cholumikizira chingwe cha coaxial. Chojambulira chingwe cha coaxial chimapereka ntchito yofunikira yothandizira kulumikizana kotetezeka, kodalirika, komanso koyenera pakati pa zigawo zosiyanasiyana za njira yowulutsira, kuwonetsetsa kuti ntchito yabwino komanso kufalitsa kwapamwamba kwa zizindikiro zowulutsa.
Kodi ndi zinthu ziti zomwe zimagwiritsidwa ntchito popanga cholumikizira chingwe cha coaxial?
Zolumikizira zingwe za coaxial zitha kupangidwa kuchokera kuzinthu zosiyanasiyana kutengera zomwe mukufuna ndikuzigwiritsa ntchito. Nazi zina zomwe zimagwiritsidwa ntchito popanga zolumikizira chingwe cha coaxial:

1. Mkuwa: Brass ndi chinthu chodziwika bwino chomwe chimagwiritsidwa ntchito polumikizira chingwe cha coaxial chifukwa chamayendedwe ake abwino, makina okhazikika, komanso makina osavuta.

2. Chitsulo chosapanga dzimbiri: Chitsulo chosapanga dzimbiri ndi chinthu chodziwika bwino cholumikizira chingwe cha coaxial chomwe chimagwiritsidwa ntchito m'malo ovuta kapena owononga chifukwa cha kukana kwa dzimbiri, mphamvu, komanso kulimba kwake.

3. Aluminiyamu: Aluminiyamu ndi chinthu chopepuka chomwe chimagwiritsidwa ntchito polumikizira chingwe cha coaxial pomwe kulemera kumakhala kodetsa nkhawa, monga muzamlengalenga.

4.Zinc: Zinc ndi chinthu chotsika mtengo chomwe chimagwiritsidwa ntchito pazolumikizira zingwe za coaxial, makamaka zomwe zimapangidwira malo am'nyumba kapena otsika.

5. Pulasitiki: Zigawo zina zolumikizira chingwe cha coaxial monga ma insulators ndi matupi amapangidwa ndi pulasitiki. Zida za pulasitiki zimapereka zinthu zabwino kwambiri zotchinjiriza, kusinthasintha, komanso kupepuka.

6. Mkuwa: Mkuwa umagwiritsidwa ntchito ngati plating zolumikizira chingwe cha coaxial chifukwa champhamvu yake yamagetsi, kukana dzimbiri, komanso kukana kwa okosijeni.

Mwachidule, zolumikizira zingwe za coaxial zitha kupangidwa kuchokera kuzinthu zingapo kutengera zomwe zikufunika. Mkuwa, chitsulo chosapanga dzimbiri, aluminiyamu, zinki, pulasitiki, ndi mkuwa zonse ndizinthu zomwe zimagwiritsidwa ntchito popanga zolumikizira chingwe cha coaxial. Kusankha zinthu zoyenera ndikofunikira kuti mukwaniritse magwiridwe antchito, kudalirika, komanso kulimba kwa cholumikizira chingwe cha coaxial.
Kodi mawu akuti coaxial cable cholumikizira ndi ati?
Nawa mawu odziwika bwino okhudzana ndi zolumikizira chingwe cha coaxial ndi matanthauzo ake:

1. Mtundu wa Coaxial Connector: Zolumikizira coaxial zimabwera m'mitundu yosiyanasiyana, monga BNC, SMA, N-Type, ndi TNC. Mtundu wa cholumikizira umatanthawuza mawonekedwe akuthupi a cholumikizira ndi kuchuluka kwa ma frequency ndi mphamvu yogwirira ntchito yomwe ingathandizire.

2. Jenda: Coaxial zolumikizira ndi amuna kapena akazi. Cholumikizira chachimuna chimakhala ndi pini yapakati yomwe imatuluka kunja, pomwe cholumikizira chachikazi chimakhala ndi chotengera chapakati chomwe chimalola pini yachimuna.

3. Kusakhulupirika: Impedans ndi kukana kuyenda kwa mphamvu zamagetsi mu dera. Zolumikizira zingwe za coaxial zidapangidwa kuti zizigwira ntchito ndi zingwe zapadera, nthawi zambiri mwina 50 kapena 75 ohms.

4. Mafupipafupi osiyanasiyana: Kuchuluka kwafupipafupi kumatanthawuza kuchuluka kwafupipafupi komwe cholumikizira chingathe kufalitsa popanda kuwonongeka kwakukulu kwa chizindikiro. Zolumikizira zapamwamba kwambiri zimakhala ndi mawonekedwe olondola kwambiri, kotero cholumikizira sichimamasuka chifukwa cha kugwedezeka kapena zovuta zina.

5. Kugwiritsa Ntchito Mphamvu: Mphamvu yogwiritsira ntchito mphamvu imatanthawuza kuchuluka kwa mphamvu zomwe cholumikizira chingatumize popanda kuwonongeka kapena kuwonongeka.

6. Cholumikizira Series: Mndandanda wa cholumikizira umatanthawuza kapangidwe ka cholumikizira ndi kuchuluka kwa ma frequency omwe angathandizire. Zitsanzo za mndandanda wa zolumikizira zimaphatikizapo L-mndandanda ndi L29-K.

7. Kukula kwa Cholumikizira: Kukula kwa cholumikizira kumatanthauza kukula kwa cholumikizira, makamaka kutengera kukula kwa ulusi.

8. Zopindika ndi Zosapindika: Zolumikizira zingwe za coaxial zimatha kukhala zopindika kapena zosasinthika. Zolumikizira za flanged zimakhala ndi flange yozungulira, yozungulira pa cholumikizira chomwe chimateteza cholumikizira pamalo ake ndi nati yokwera. Komano, zolumikizira zopanda flange sizikhala ndi flange ndipo nthawi zambiri zimagulitsidwa pa chingwe cha coaxial.

9. Cholumikizira cha EIA: EIA imayimira “Electronic Industries Alliance,” lomwe ndi bungwe lazamalonda lomwe limakhazikitsa miyezo ya zida zamagetsi. Cholumikizira cha EIA ndi mtundu wa cholumikizira cha RF chomwe chimatsatira miyezo ya EIA ya kukula, kulephera, ndi magwiridwe antchito.

10. IF70, IF110, IF45: Manambalawa amatanthawuza kukula kwa cholumikizira, ndi IF70 yokhala ndi mainchesi 7.0 mm, IF110 yokhala ndi mainchesi 11.0 mm, ndi IF45 yokhala ndi mainchesi 4.5 mm. Kukula kwake kwa cholumikizira, ndikokwera kwambiri kuchuluka kwa ma frequency omwe angathandizire.

11. DINF: DINF ndi mtundu wa zolumikizira zopangira ma frequency apamwamba, nthawi zambiri mpaka 12.4 GHz. Ili ndi cholepheretsa cha 50 ohms ndipo imakhala ndi thupi lopangidwa ndi ulusi lomwe limateteza cholumikizira m'malo mwake.

12. L4TNF-PSA: L4TNF-PSA ndi mtundu wa cholumikizira chopangidwa ndi LMR-400 coaxial chingwe. Ili ndi thupi lopangidwa ndi ulusi komanso cholepheretsa cha 50 ohms, ndipo mphamvu yake yogwiritsira ntchito mphamvu ndiyokwera kwambiri.

13. DINM: DINM ndi mtundu wa zolumikizira zomwe zimagwiritsa ntchito mawonekedwe a ulusi kuti ateteze cholumikizira m'malo mwake. Ili ndi cholepheretsa cha 50 ohms ndipo imathandizira ma frequency angapo mpaka 4 GHz.

Mwachitsanzo, mawu akuti "7/16 DIN cholumikizira chachimuna" imatanthawuza cholumikizira chachimuna cha coaxial chomwe chimagwiritsa ntchito mawonekedwe a 7/16 DIN, omwe amakhala ndi ma frequency angapo mpaka 7.5 GHz ndipo amagwiritsidwa ntchito kwambiri pamapulogalamu amphamvu kwambiri. Nthawi zambiri imakhala ndi VSWR yotsika komanso mphamvu yayikulu yogwiritsira ntchito.

Teremuyo "L29-K cholumikizira" imatanthawuza mtundu wa zolumikizira zopangira ma frequency apamwamba mpaka 18 GHz, okhala ndi cholepheretsa cha 50 ohms. Chojambuliracho chimakhala ndi mphamvu zogwiritsira ntchito mphamvu zambiri ndipo chimagwiritsidwa ntchito kawirikawiri pamakina olankhulana ndi mauthenga.

Kumvetsetsa mawuwa ndikofunikira kuti muwonetsetse kusankha koyenera kwa cholumikizira cha ntchito yeniyeni komanso kufalitsa kodalirika kwa chizindikirocho.
Kodi cholumikizira chingwe cha coaxial chimasiyana bwanji ndi malonda ndi ogula?
Kusiyana kwakukulu pakati pa malonda ndi ogula-level coaxial cable connectors pakuwulutsa kwa wailesi kumadalira zinthu zingapo, kuphatikizapo mitundu ya zingwe za coaxial zomwe zimagwiritsidwa ntchito, ubwino, zovuta, mitengo, ntchito, ntchito, mapangidwe, mafupipafupi, kukhazikitsa, kukonza, ndi kukonza.

Mitundu ya Zingwe Za Coaxial Zogwiritsidwa Ntchito: Zingwe za coaxial zamalonda zimakhala zokhuthala, zimakhala ndi mkuwa wambiri, ndipo zimapereka chitetezo chabwinoko poyerekeza ndi zingwe za coaxial za ogula. Zitsanzo za zingwe zama coaxial zamalonda ndi monga LMR-600, LMR-900, ndi LMR-1200. Mbali inayi, zingwe za coaxial za ogula ndizochepa kwambiri ndipo zimakhala ndi chitetezo chochepa kusiyana ndi zingwe zamalonda. Zitsanzo za zingwe zama coaxial za ogula zikuphatikiza RG-6 ndi RG-11.

Ubwino ndi Kuipa kwake: Zolumikizira zamalonda za coaxial zidapangidwa kuti zizithandizira ma frequency apamwamba, kupereka chitetezo chabwinoko, ndipo zimakhala zolimba poyerekeza ndi zolumikizira za ogula. Nthawi zambiri amagwiritsidwa ntchito pamapulogalamu ovuta kwambiri, monga kuwulutsa komanso kutumizirana matelefoni. Komabe, zolumikizira zamalonda zimakhala zodula kuposa zolumikizira za ogula ndipo nthawi zambiri zimakhala zovuta kuziyika.

1. Mitengo: Zolumikizira zamalonda za coaxial nthawi zambiri zimakhala zokwera mtengo kuposa zolumikizira za ogula chifukwa chapamwamba, magwiridwe antchito, komanso kulimba.

2. Mapulogalamu: Zolumikizira zingwe zama coaxial zamalonda ndizoyenera kuwulutsa pawailesi, matelefoni, zankhondo, ndi ntchito zakuthambo, zomwe zimafuna kulumikizana kwapamwamba, kodalirika. Zolumikizira za ogula zimagwiritsidwa ntchito kwambiri pazosangalatsa zapakhomo, TV ya chingwe, ndi zida zamawayilesi zotsika kwambiri.

3. Magwiridwe: Zolumikizira zamalonda zimapereka magwiridwe antchito abwinoko poyerekeza ndi zolumikizira za ogula potumiza ma siginecha ndikulandila kulondola, kuchepetsa phokoso, ndi mphamvu yazizindikiro. Izi ndizofunikira kwambiri pakuwulutsa, komwe ngakhale kuwonongeka kwa ma siginecha kungayambitse zovuta zazikulu.

4. Kapangidwe: Zolumikizira zamagulu azamalonda nthawi zambiri zimakhala zovuta komanso zolimba kuposa zolumikizira zamagulu ogula. Ayenera kulimbana ndi zovuta za kuyika panja komanso kukhudzana ndi zinthu, pomwe zolumikizira za ogula nthawi zambiri zimagwiritsidwa ntchito m'nyumba ndipo sizimakhudzidwa ndi chilengedwe.

5. pafupipafupi: Zolumikizira zamalonda za coaxial zimathandizira ma frequency apamwamba poyerekeza ndi zolumikizira za ogula, zomwe zimapangidwa makamaka kuti zizigwiritsidwa ntchito pafupipafupi.

6. Kuyika, Kukonza, ndi Kukonza: Zolumikizira zingwe zama coaxial zamalonda zimafunikira ukatswiri wochulukirapo kukhazikitsa, kukonza, ndi kukonza poyerekeza ndi zolumikizira za ogula, zomwe zimakhala zosavuta kuziyika ndikuzikonza. Zolumikizira zamalonda nthawi zambiri zimafunikira zida zapadera, maphunziro, ndi zida zogwirira ntchito.

Mwachidule, zolumikizira chingwe cha coaxial zamalonda zimapereka ntchito zapamwamba komanso zabwinoko poyerekeza ndi zolumikizira ma chingwe a coaxial, koma nthawi zambiri zimabwera pamtengo wokwera ndipo zimafunikira kuyika, kukonzanso, ndi kukonza mozama. Kusankhidwa kwa cholumikizira choyenera kumadalira kagwiritsidwe ntchito kake, mitundu ya zingwe za coaxial zomwe zingagwiritsidwe ntchito, komanso kuchuluka kwa ma frequency ofunikira. Powulutsa, zolumikizira zamalonda nthawi zambiri zimakondedwa chifukwa cha kulimba, magwiridwe antchito, komanso kudalirika kwawo.
Kodi zolumikizira zingwe za coaxial zolumikizira ma transmitters ndi ziti?
Pali mitundu ingapo ya zolumikizira zingwe za coaxial zomwe zimapezeka kuti zizitha kuwulutsa ma frequency osiyanasiyana (FM, AM, TV, UHF, ndi VHF). Mitundu ya zolumikizira zomwe zimagwiritsidwa ntchito pa ma transmitterwa zimatengera zinthu monga kuchuluka kwa mphamvu ya chotumizira komanso kugwiritsa ntchito kwake. Nawa mitundu yolumikizira yomwe imagwiritsidwa ntchito kwambiri pakuwulutsa:

1. N-Mtundu: Zolumikizira zamtundu wa N zimagwiritsidwa ntchito kwambiri pama transmitter apakati mpaka apamwamba kwambiri pamapulogalamu amawu a FM ndi TV. Amapereka magwiridwe antchito apamwamba komanso odalirika ndipo amatha kuthana ndi mphamvu zambiri.

2. 7/16 DIN: Zolumikizira za 7/16 DIN zimagwiritsidwa ntchito kwambiri pamapulogalamu apamwamba kwambiri a FM ndi TV. Amapereka kudalirika kwakukulu, mphamvu yogwiritsira ntchito mphamvu, ndi VSWR yochepa.

3. BNC: Zolumikizira za BNC nthawi zambiri zimagwiritsidwa ntchito pamagetsi otsika mpaka apakatikati a FM ndi makanema apa TV. Amapereka ntchito yabwino mpaka 4 GHz ndipo ndi yosavuta kukhazikitsa.

4. TNC: Zolumikizira za TNC zimagwiritsidwa ntchito pamagetsi otsika mpaka apakatikati mu FM, AM, ndi kuwulutsa kwa TV. Ndizofanana ndi zolumikizira za BNC koma zimapereka magwiridwe antchito mpaka 11 GHz.

5. Mtundu wa F: Zolumikizira za F-Type nthawi zambiri zimagwiritsidwa ntchito pamagetsi otsika mpaka apakatikati pamawayilesi apawailesi yakanema ndi ma TV. Ndiosavuta kukhazikitsa ndikupereka magwiridwe antchito mpaka 1 GHz.

6. SMA: Zolumikizira za SMA nthawi zambiri zimagwiritsidwa ntchito pamagetsi otsika mpaka apakatikati pa VHF ndi ma frequency a UHF. Amapereka magwiridwe antchito kwambiri mpaka 18 GHz ndipo amagwiritsidwa ntchito kwambiri pamakina olumikizirana opanda zingwe.

Pankhani ya momwe cholumikizira chingwe cha coaxial chimalumikizirana ndi cholumikizira, zimatengera mtundu wa cholumikizira chomwe chimagwiritsidwa ntchito pa cholumikizira. Kulumikizana kuyenera kugwiritsa ntchito cholumikizira chamtundu womwewo pa cholumikizira ndi chingwe cha coaxial. Izi zimatsimikizira kugwira ntchito bwino komanso kufalitsa kodalirika kwa chizindikiro.

Mwachidule, mitundu ya zolumikizira zingwe za coaxial zomwe zimagwiritsidwa ntchito pofalitsa ma transmitters zimatengera ma frequency band ndi mphamvu ya transmitter. Mitundu yolumikizira yomwe imagwiritsidwa ntchito kwambiri pakuwulutsa ndi monga N-mtundu, 7/16 DIN, BNC, TNC, F-Type, ndi SMA. Cholumikizira chamtundu uliwonse chimakhala ndi mawonekedwe apadera, monga kuchuluka kwa ma frequency, kugwiritsa ntchito mphamvu, komanso kuyika kosavuta, zomwe zimawapangitsa kukhala oyenera kugwiritsa ntchito zina.

Kodi zolumikizira zingwe za coaxial zolumikizira mizere yolimba ndi ziti?
Pali mitundu ingapo ya zolumikizira chingwe cha coaxial chomwe chilipo pamizere yolimba yotumizira, ndipo kukula kwa cholumikizira kumasiyanasiyana kutengera kukula kwa chingwe chopatsira coaxial. Nawa mitundu yolumikizira yomwe imagwiritsidwa ntchito kwambiri pamizere yolumikizira yolimba:

1. Mtundu N: Zolumikizira zamtundu wa N zimagwiritsidwa ntchito kwambiri ndi mizere ya 7/8" ndi 1-5/8" coaxial transmission. Amakhala ndi ulusi wolumikizana ndipo amapangidwa kuti azigwiritsidwa ntchito mpaka 11 GHz. Zolumikizira za Type N zimagwiritsidwa ntchito kwambiri pama foni am'manja ndi apanyanja.

2. 7/16 DIN: 7/16 DIN zolumikizira zidapangidwa kuti zizigwiritsidwa ntchito ndi 1/2 ", 7/8", 1-1/4 ", ndi 1-5/8" coaxial transmission mizere. Amapereka VSWR yotsika ndipo adavotera kugwiritsa ntchito mphamvu zambiri. Zolumikizira za 7/16 za DIN zimagwiritsidwa ntchito kwambiri pama waya opanda zingwe ndi ma telecommunication.

3. EIA: Zolumikizira za EIA ndi zolumikizira zingapo zomwe zidapangidwa kuti zizigwiritsidwa ntchito ndi mizere yolimba ya coaxial yosiyana kukula kwake, kuphatikiza 1-5/8", 3-1/8", ndi 4-1/16". zomwe zimagwiritsidwa ntchito kwambiri pakuwulutsa ndi kutumizirana matelefoni.

4. DIN: Zolumikizira za DIN zidapangidwa kuti zizigwiritsidwa ntchito ndi mizere yolimba ya coaxial makulidwe osiyanasiyana, kuphatikiza 7/8 ", 1-5 / 8", 3-1 / 8 "ndi 4-1/16". Zolumikizira za DIN zili ndi cholumikizira cha ulusi ndipo chimagwiritsidwa ntchito kwambiri pama waya opanda zingwe ndi ma telecommunication.

5. LMR-zolumikizira: LMR-Connectors adapangidwa kuti azigwiritsidwa ntchito ndi zingwe zosinthika za LMR coaxial ndi zingwe zawo zolimba zofanana, monga LCF ndi Superflex. Zolumikizira izi zimakhala ndi mapangidwe apadera omwe amawalola kugwiritsidwa ntchito ndi chingwe chosinthika komanso cholimba cha coaxial.

6. Fomu ya C: Zolumikizira za C-Fomu zidapangidwa kuti zizigwiritsidwa ntchito ndi mizere yolimba ya coaxial yosiyanasiyana, kuphatikiza 2-1/4 ", 3-1/8", 4-1/16 "ndi 6-1/8". Amakhala ndi mawonekedwe opindika ndipo amagwiritsidwa ntchito kwambiri pamawunidwe amphamvu kwambiri komanso njira zolumikizirana.

Kusiyana pakati pa mitundu yolumikizira iyi nthawi zambiri kumabwera mpaka kukula kwa cholumikizira ndi mtundu wa chingwe chopatsira chomwe chimapangidwira kuti chizigwira ntchito. Adzasiyananso ma frequency angapo, mphamvu yogwiritsira ntchito mphamvu, ndi magwiridwe antchito a VSWR. Posankha cholumikizira cha mzere wina wokhazikika wopatsira, ndikofunikira kuganizira kugwirizana kwa cholumikizira ndi chingwe chopatsira, ma frequency ogwiritsira ntchito dongosolo, komanso zofunikira zamagetsi pakugwiritsa ntchito.
Ndi chiyani chomwe chingalepheretse cholumikizira chingwe cha coaxial kugwira ntchito?
Pali zinthu zingapo zomwe zingapangitse cholumikizira chingwe cha coaxial kulephera, kuphatikiza kuyika molakwika, kukonza molakwika, ndi zinthu zachilengedwe. Nazi zina mwazifukwa zomwe zolumikizira chingwe cha coaxial zimatha kulephera, komanso momwe mungapewere izi:

1. Kuyika Molakwika: Kuyika kolakwika ndi chimodzi mwazomwe zimayambitsa kulephera kwa cholumikizira chingwe cha coaxial. Zolumikizira zikapanda kuyikidwa bwino, zimatha kuyambitsa kutayika kwa ma siginecha, kusokoneza, kapena kuwononga dongosolo la RF.

Pofuna kupewa kuyika kolakwika, ndikofunikira kutsatira malangizo a wopanga mosamala. Gwiritsani ntchito zida ndi njira zomwe zimalangizidwa pokonzekera chingwe ndi cholumikizira, ndipo onetsetsani kuti cholumikiziracho chimalumikizidwa bwino ndi chingwe popanda mipata kapena matumba a mpweya. Ndikofunikiranso kugwiritsa ntchito torque yoyenera kapena kukakamiza pomangitsa cholumikizira kuti muwonetsetse kulumikizana koyenera.

2. Zimbiri ndi Chinyezi: Kuwonongeka ndi chinyezi kungayambitse zolumikizira chingwe cha coaxial kulephera pakapita nthawi. Zinthuzi zimatha kuwononga zigawo zachitsulo za cholumikizira, zomwe zimapangitsa kukana ndi kutayika kwa chizindikiro.

Kuti mupewe dzimbiri ndi kuchuluka kwa chinyezi, gwiritsani ntchito zolumikizira zapamwamba kwambiri zomwe zidapangidwa kuti zigwiritsidwe ntchito yomwe mukufuna. Kuonjezerapo, ganizirani kugwiritsa ntchito zipangizo zoteteza nyengo monga sealant kapena tepi kuti muteteze cholumikizira ku chinyezi ndi zinthu zina zachilengedwe.

3. Zachilengedwe: Zinthu zachilengedwe monga nyengo yoyipa, chinyezi chambiri, komanso kutentha kwambiri kungapangitse zolumikizira chingwe cha coaxial kulephera.

Kuti tipewe zotsatira za zinthu zachilengedwe, ndikofunikira kusankha cholumikizira choyenera chomwe chimapangidwa kuti chitha kulimbana ndi chilengedwe kapena kupereka chitetezo choyenera. Ndikwanzeru kugwiritsa ntchito zolumikizira zoteteza nyengo, zomwe zidapangidwa makamaka kuti ziteteze ku nyengo ndi zinthu zina zachilengedwe.

4. Zowonongeka: Kuwonongeka kwakuthupi chifukwa changozi kapena kupindika kwambiri kungayambitsenso zolumikizira chingwe cha coaxial kulephera.

Kuti mupewe kuwonongeka kwa thupi, samalani pogwira zingwe za coaxial - pewani kupindika ndi kupindika komwe kungayambitse kuwonongeka kwa chingwe kapena cholumikizira. Tetezani chingwe ndi cholumikizira ku kupsinjika kwakuthupi pogwiritsa ntchito zida zoteteza, monga zomangira chingwe ndi zopumira.

Mwachidule, kupewa coaxial chingwe cholumikizira kulephera, ndikofunikira kutsatira malangizo a wopanga pakuyika, kugwiritsa ntchito zida zoyenera, ndikusankha zolumikizira zoyenera chilengedwe ndi kugwiritsa ntchito. Kusamalira nthawi zonse, monga kuyang'ana maulalo kuti muwone zizindikiro za dzimbiri ndi kuchuluka kwa chinyezi, kungathandizenso kupewa kulephera ndikuwonetsetsa kuti ntchito yodalirika ikugwira ntchito.
Momwe mungagwiritsire ntchito moyenera ndikusunga cholumikizira chingwe cha coaxial?
Kugwiritsa ntchito moyenera komanso kukonza nthawi zonse kungathandize kutsimikizira kutalika kwa moyo wa coaxial chingwe cholumikizira. Nawa maupangiri amomwe mungagwiritsire ntchito moyenera ndikusunga cholumikizira chingwe cha coaxial:

1. Gwiritsani Ntchito Cholumikizira Choyenera Pantchito Yanu: Chojambulira chingwe cha coaxial chiyenera kufanana ndi mtundu wa chingwe, impedance, ndi ma frequency osiyanasiyana kuti agwire bwino ntchito. Kugwiritsa ntchito cholumikizira cholakwika kapena zolumikizira zosagwirizana kungayambitse kutayika kwazizindikiro komanso kuchepa kwa magwiridwe antchito.

2. Gwiritsani Ntchito Zida Zoyenera Kuyika: Nthawi zonse gwiritsani ntchito zida zoyenera kukhazikitsa cholumikizira chanu moyenera. Zida zolakwika zimatha kuwononga cholumikizira kapena chingwe ndikufooketsa ntchito ya cholumikizira.

3. Tsatirani Malangizo Oyika: Tsatirani malangizo a wopanga mosamala mukayika cholumikizira chanu. Onetsetsani kuti mwachepetsa chingwecho mpaka kutalika kovomerezeka, kufananiza kondakitala wapakati ndi zotchingira, ndipo limbitsani cholumikizira ku torque yomwe ikulimbikitsidwa.

4. Tetezani Kuzinthu Zachilengedwe: Zinthu zachilengedwe monga chinyezi, kusinthasintha kwa kutentha, ndi nyengo yovuta kwambiri zimatha kuwononga cholumikizira ndikuchepetsa chiyembekezo cha moyo. Gwiritsani ntchito zida zoteteza nyengo ngati zosindikizira ndikuteteza cholumikizira ku nyengo kapena kupsinjika kwakuthupi pogwiritsa ntchito zotsekera kapena makina owongolera zingwe.

5. Yang'anani ndi Kusamalira Nthawi Zonse: Yang'anani chingwe ndi cholumikizira pafupipafupi kuti muwone ngati zawonongeka ndikuwonetsetsa kuti zolumikizira ndi zolimba mokwanira kuti ma sign atayika. Chotsani fumbi ndi zinyalala, pukutani chinyontho, ndipo gwiritsani ntchito utsi woyeretsera zolumikizira zonyansa.

6. Sinthani Zolumikizira Zowonongeka: Mukawona kuwonongeka kapena dzimbiri, sinthani cholumikizira chingwe cha coaxial nthawi yomweyo. Yang'anani kutayirira kulikonse, kutulutsa, kapena phokoso ili lingakhale yankho lothandizira kuti chingwe chanu cha coaxial chigwire bwino.

Potsatira malangizowa, mutha kuthandizira kukulitsa chiyembekezo cha moyo ndi magwiridwe antchito a zolumikizira chingwe cha coaxial, kuwonetsetsa kufalikira kwa ma siginecha odalirika, ndikuchepetsa mwayi wotayika ndi kusokonezedwa.
Momwe mungasankhire cholumikizira chabwino kwambiri cha coaxial chowulutsira ma FM?
Kusankha cholumikizira choyenera cha chingwe cha coaxial pakuwulutsa kwa FM kumatengera zinthu zingapo zokhudzana ndi ntchitoyo, mulingo wamagetsi otulutsa, ma frequency, mitundu ya zingwe za coaxial, ndi magulu a tinyanga. Nazi zina zofunika zomwe zingakuthandizeni kusankha cholumikizira choyenera:

1. Ntchito: Ganizirani ntchito yeniyeni ya cholumikizira chingwe cha coaxial chomwe mukufuna. Mwachitsanzo, pamawunidwe owulutsa a FM, mungafunike zolumikizira zokhala ndi mphamvu zogwirira ntchito komanso maulumikizidwe odalirika. Komanso, lingalirani kachulukidwe ka ntchito ndi mtundu wa siginecha wofunikira pakugwiritsa ntchito, chifukwa izi zidzakhudza mtundu wa cholumikizira.

2. Mulingo wa mphamvu ya Transmitter: Muyenera kuganizira kuchuluka kwa mphamvu zomwe mumatulutsa potengera ma transmitter anu chifukwa mudzafunika cholumikizira chomwe chimatha kuthana ndi mphamvu popanda kukhudza mtundu wa siginecha. Nthawi zambiri, zolumikizira zamphamvu kwambiri monga zolumikizira 7/16 DIN kapena zolumikizira za Type N ndizoyenera kugwiritsa ntchito mawayilesi amphamvu kwambiri a FM.

3. Mafupipafupi osiyanasiyana: Onetsetsani kuti cholumikizira chomwe mwasankha chidapangidwa kuti chizigwira ntchito pama frequency onse ofunikira pa pulogalamu yanu yowulutsa ya FM. Zolumikizira za BNC ndi TNC ndizoyenera kugwiritsa ntchito ma frequency otsika mpaka 4 GHz. Pomwe zolumikizira za 7/16 DIN ndi zolumikizira za Type N ndizoyenera kugwiritsa ntchito pafupipafupi mpaka 11 GHz.

4. Mitundu ya zingwe za coaxial: Mitundu yosiyanasiyana ya zingwe za coaxial ili ndi milingo yosiyana ya impedance, mainchesi apakatikati ndi kuthekera kogwiritsa ntchito mphamvu. Zolumikizira zosiyanasiyana za coaxial ndizoyenera kulumikiza mitundu yosiyanasiyana ya zingwe za coaxial. Onetsetsani kuti cholumikizira chomwe mwasankha chikugwirizana ndi mtundu wa chingwe cha coaxial chomwe muli nacho.

5. Magulu a tinyanga: Mitundu yosiyanasiyana ya tinyanga imafunikira mitundu yosiyanasiyana ya zolumikizira chingwe cha coaxial. Mwachitsanzo, mlongoti wa dipole nthawi zambiri umafunika cholumikizira cha BNC kapena TNC, pomwe tinyanga zozungulira zimafuna cholumikizira cha Type N kapena cholumikizira cha 7/16 DIN.

Mwachidule, posankha cholumikizira chabwino kwambiri cha coaxial chowulutsira ma FM, ndikofunikira kuganizira momwe mungagwiritsire ntchito, mphamvu yotulutsa ma transmitter, kuchuluka kwa ma frequency, mtundu wa chingwe cha coaxial, ndi magulu a tinyanga. Ganiziraninso za kudalirika ndi khalidwe la cholumikizira, komanso zinthu monga mtengo ndi kupezeka posankha cholumikizira chomwe chikugwirizana bwino ndi zomwe mukufuna.

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