Chingwe cha Double Shielded

 Chingwe Chotetezedwa Pawiri 

 

Chingwe chotchinga pawiri ndi mtundu wapadera wa chingwe chamagetsi chomwe chimapangidwa mwaluso kuti chitetezere chitetezo champhamvu kwambiri pamagetsi amagetsi (EMI) ndi kusokoneza kwa ma radio frequency (RFI). Zimaphatikizapo zigawo ziwiri zodzitchinjiriza - zomwe nthawi zambiri zimakhala zophatikizika bwino za zojambulazo za aluminiyamu  ndi zoluka zamkuwa - zomwe zimagwirira ntchito limodzi kuti zitsimikizire kutumiza kwazizindikiro koyera, kodalirika, komanso kokhazikika ngakhale pamavuto.

Zingwezi zimagwiritsidwa ntchito kwambiri m'malo okwera kwambiri pomwe phokoso lamphamvu lamagetsi kapena kupotoza kwa ma siginecha kumatha kusokoneza kwambiri magwiridwe antchito, kuphatikiza ma data automation system , data centers , makina a CNC , ndi ntchito zina zolondola kwambiri.

 

 Chifukwa Chake Kuteteza Pawiri Kufunika? 

 

Zingwe zokhala ndi chishango chimodzi zimatha kuyang'anira kusokoneza kofunikira pamakonzedwe ocheperako, koma zishango ziwiri zimakweza chitetezo kumlingo watsopano  wodalirika komanso magwiridwe antchito.

Chishango choyamba, chomwe nthawi zambiri chimakhala chopangidwa ndi yopyapyala, yowonda kwambiri aluminiyamu , imatsekereza phokoso lakunja lamagetsi  kuchokera kumagwero monga zingwe zamagetsi, ma mota, kapena ma siginecha opanda zingwe. Pakadali pano, gawo lachiwiri , lomwe nthawi zambiri limalukidwa molimba mkuwa , limagwira ntchito ziwiri: limachepetsa kuphatikizika kwamkati  pakati pa ma conductor oyandikana mkati mwa chingwe ndipo kumathandizira kwambiri kulimba kwamakina  ndi kusinthasintha pakupsinjika.

Kapangidwe kameneka ka zigawo ziwiri  kumatsimikizira kusasinthika, kukhulupirika kwakukulu kwa ma siginecha , ngakhale pakugwiritsa ntchito pafupipafupi kwambiri  kapena m'malo opangira makina olemera  pomwe kugwedezeka, phokoso lamagetsi, ndi kuvala kwathupi kumakhala zovuta nthawi zonse.

Pamene makina amagetsi akuchulukirachulukira komanso odzaza kwambiri - ndi kuchuluka kwa data, zomverera, ndi zida zolumikizidwa - kufunikira kwa zingwe zotchingidwa pawiri kwadutsa  ma automation amafakitale, matelefoni, zida zamankhwala, zakuthambo, ndi ma data , kuwapangitsa kukhala ofunikira kwambiri pakudalirika kofunikira.

 

 Kapangidwe ka Chingwe Chotchinga Pawiri 

 

Chingwe chodzitchinjiriza pawiri chimapangidwa ndi njira yolondola, yokhala ndi mitundu ingapo kuti izi ziwonjezeke kukhulupirika komanso kulimba. Zigawo zake zikuphatikizapo:

 

 1. Kondakitala 

 

Pachimake nthawi zambiri amapangidwa ndi mkuwa woyengedwa kwambiri  (wolimba kapena wosasunthika) kuti atsimikizire kuyendetsa bwino kwamagetsi  komanso kutayika kochepa kwa chizindikiro patali.

 

 2. Kusungunula 

 

Dielectric wosanjikiza - nthawi zambiri PVC, PE, kapena FEP - imazungulira kondakitala aliyense, kuteteza mabwalo amfupi , kuchepetsa mphamvu, komanso kusunga kukhulupirika kwa ma siginecha..

 

 3. Chishango Choyamba 

 

Nthawi zambiri chojambula cha aluminiyamu  (nthawi zambiri chimakhala chothandizidwa ndi poliyesitala), wosanjikizawu amapereka 100% kuphimba  bwino kuti aletse kusokoneza kwamagetsi kwamagetsi (EMI)  kuchokera kunja.

 

 4. Chishango Chachiwiri 

 

Mkuwa wolukidwa molimba kapena mauna amkuwa  (wokhala ndi 65-95%) omwe amayamwa phokoso lotsika pang'ono , amachepetsa kuphatikizika kwamkati , ndikuwonjezera mphamvu zamakina ndi kusinthasintha  kwa kupinda mobwerezabwereza kapena kugwedezeka.

 

 5. Jacket Yakunja 

 

Chophimba cholimba, chopanda moto, chosagwira ntchito ndi UV, komanso chopanda mafuta  (monga PVC, TPE, kapena LSZH ) chomwe chimateteza kutentha, chinyezi, abrasion, mankhwala, ndi kuwonongeka kwa thupi , kuonetsetsa kudalirika kwa nthawi yaitali m'madera ovuta.

 

sizimangokulitsa Zomangamanga zapamwambazi  kukanidwa kwa EMI/RFI  komanso zimatsimikizira kuti nthawi yayitali yogwira ntchito komanso kugwira ntchito mosasinthasintha , ngakhale pamavuto azachuma kapena zachilengedwe.

 

 Kusiyanitsa Kwakukulu Kuchokera ku Chingwe Chotetezedwa Chimodzi 

 

Zingwe zokhala ndi chishango chimodzi zimagwiritsa ntchito wosanjikiza umodzi (kawirikawiri zojambulazo kapena zoluka) pofuna chitetezo cha EMI, choyenera makonda a phokoso lotsika ngati makina omvera kapena mizere yapamtunda waufupi. Zingwe zotchingidwa pawiri, komabe, zimakhala ndi zigawo ziwiri - nthawi zambiri kuphatikiza zojambulazo ndi zoluka - kuti zigwire bwino ntchito. Nachi kufananitsa mwachangu:

 

Mbali	Chingwe Chotchinga Chimodzi	Chingwe Chotetezedwa Pawiri
Zigawo za Shield	Chimodzi (mwachitsanzo, zojambulazo kapena zoluka)	Awiri (mwachitsanzo, zojambula zamkati + zoluka zakunja)
EMI/RFI Chitetezo	Wapakati; ogwira m'madera otsika osokoneza	Pamwamba; abwino kwa malo aphokoso ngati magetsi kapena zida zamakina
Ntchito Zofananira	Zomvera, zotsika pafupipafupi, zamagetsi zamagetsi	Asilikali, zida zamankhwala, maukonde othamanga kwambiri, machitidwe a RF
Mtengo	Pansi	Zapamwamba chifukwa cha zinthu zowonjezera komanso zovuta
Kusinthasintha	Nthawi zambiri apamwamba	Zochepa pang'ono, koma zimasiyana ndi mapangidwe

 

 Momwe Double shielding imagwirira ntchito 

 

 Inner Shield 

 

Nthawi zambiri chojambula cha aluminiyamu kapena chamkuwa (chophimba 100%) chimakulungidwa mozungulira ma conductor, nthawi zambiri chimakhala ndi waya wothirira pansi. Izi zimalepheretsa kusokoneza kwa ma frequency apamwamba.

 

 Outer Shield 

 

Chitsulo cholukidwa (monga 80% chotchinga chamkuwa) pamwamba pa chishango chamkati, chopereka chitetezo chochepa komanso mphamvu zamakina. Zigawozo nthawi zambiri zimakhala zolekanitsidwa ndi magetsi kuti zisagwirizane.

 

 Kuyika pansi 

 

Kuti zigwire bwino ntchito, chishangocho chimakhazikika mbali zonse ziwiri (zochita zamakono), ngakhale ziyenera kuchitidwa mosamala kuti musapewe malupu. Muzochitika zapadera, monga mawaya a ndege, chishango chakunja chimateteza ku mphezi, pamene chamkati chimachepetsa kung'ung'udza kuchokera kumagetsi.

 

Njira yamitundu iwiriyi imatha kuchepetsa kusokoneza mpaka 90% kapena kupitilira apo poyerekeza ndi zingwe zopanda chitetezo, kutengera ma frequency ndi chilengedwe.

 

 Ubwino Waikulu Wazingwe Zotetezedwa Pawiri 

 

 Kukana Kwapamwamba Kwambiri 

 

Chotchinga chamitundu iwiri-chojambula cha RFI yothamanga kwambiri ndi kuluka kwa EMI yocheperako-imatchinga pafupifupi kusokoneza konse kwakunja ndi mkati, kuteteza kutayika kwa ma sign, kupotoza, kapena katangale wa data. Mulingo wachitetezo uwu ndi wofunikira kwambiri pamakina omvera, makina othamanga kwambiri, makina olondola a CNC, ndi zida zoyerekeza zamankhwala.

 

 Kukhalitsa Kukhazikika 

 

Chishango chakunja cholukidwa chimagwira ntchito ngati zida zodzitetezera, zomwe zimakulitsa kwambiri kukana kwa abrasion, kusinthasintha mobwerezabwereza, kuphwanya, komanso kupsinjika kwakanthawi pakuyika, kuwongolera, kapena kugwira ntchito m'malo osinthika. Izi zimapangitsa chingwecho kukhala choyenera kwa mikono ya robotic, makina osuntha, ndi kutumiza m'munda.

 

 Kupititsa patsogolo Kukhulupirika kwa Signal 

 

Pochepetsa kuphatikizika kwa ma crosstalk, attenuation, ndi jitter yopangitsa phokoso, kutchingira pawiri kumatsimikizira kutumiza kwa ma sigino oyera, okhazikika, komanso odalirika kwambiri pamtunda wautali-ngakhale m'malo osagwirizana ndi magetsi monga mafakitale, malo opangira data, kapena masitudiyo owulutsa.

 

 Moyo Wowonjezera 

 

Kutetezedwa kotheratu ku zovuta zachilengedwe - kuphatikiza EMI, chinyezi, kugwedezeka, komanso kuvala kwamakina - kumatalikitsa moyo wogwira ntchito. Izi zimabweretsa kutsika kwapang'onopang'ono m'malo, kuchepetsa ndalama zokonzetsera, komanso kutsika pang'ono kwa dongosolo, kupereka mtengo wapamwamba kwambiri wa umwini (TCO) m'mafakitale ndi malonda.

 

 Ntchito za D ma Cables Otetezedwa 

 

Zingwe zotchingidwa pawiri ndizofunikira kwambiri m'mafakitale ofunikira kwambiri momwe ma siginecha amamveka bwino, kudalirika, ndi kulondola sikungakambirane. Kutetezedwa kwawo kolimba kwa EMI/RFI kumatsimikizira magwiridwe antchito m'malo ovuta kwambiri. Ntchito zazikuluzikulu zikuphatikiza:

 

 Makina a CNC 

 

Perekani ma siginecha okhazikika owongolera ma mota ndi mayankho olondola kwambiri kuchokera ku ma encoder ndi masensa, kupewa zolakwika za jitter kapena malo obwera chifukwa cha phokoso lamagetsi kuchokera ku ma servo drive, spindles, kapena makina oyandikana nawo.

 

 Professional Audio/Video Systems 

 

Chotsani malupu, ma hums, buzz, ndi kusokoneza kosasunthika pazojambula pompopompo, masitudiyo owulutsa, makina amawu a konsati, ndi malo omvera a digito (DAWs), kusunga kukhulupirika kowoneka bwino kwambiri kuchokera pa maikolofoni kupita ku zotuluka.

 

 Ma network a Telecommunication 

 

Kuthandizira kutumizira mwachangu, kopanda zolakwika kwa data ku Ethernet (Cat6/Cat7), makina a msana wa fiber, ndi zomangamanga za 5G, zoteteza motsutsana ndi ma crosstalk ndi ma sigino akunja a RF mumitolo yothina kapena m'matauni.

 

 Zida Zachipatala 

 

Tetezani zida zowunikira komanso zowunikira - monga MRI, ultrasound, ECG, ndi njira zowunikira odwala - kusokonezedwa ndi ma elekitirodi opangidwa ndi zida zapafupi, kuwonetsetsa kuwerengedwa kolondola komanso chitetezo cha odwala.

 

 Zamlengalenga ndi Chitetezo 

 

Sungani kukhulupirika kosasunthika kwa ma avionics, makina a radar, mauthenga a satellite, ndi magalimoto ankhondo, kumene EMI yoopsa kwambiri kuchokera ku radar, injini, kapena nkhondo yamagetsi ingasokoneze kuyenda, kulunjika, kapena kutetezedwa kwa deta.

 

 Momwe Mungayikitsire Chingwe Chawiri Chotetezedwa 

 

Kusankha chingwe chotetezedwa bwino kumafuna kufananitsa kapangidwe kake ndi zomwe mukufuna kugwiritsa ntchito. Zinthu zofunika kuziwunika ndi izi:

 

 Mtundu wa Chingwe 

 

Sankhani masinthidwe omwe akugwirizana bwino ndi zosowa zanu zamasinthidwe:

·  Coaxial  ya ma frequency apamwamba a RF kapena ma siginecha amakanema (mwachitsanzo, 50Ω kapena 75Ω impedance).

·  Twisted Pair  (STP) kuti mutumize deta moyenera pamanetiweki kapena zida.

·  Multi-Core  pamakina owongolera ovuta omwe amafunikira ma conductor otetezedwa angapo.

 

 Zoteteza & Zomangamanga 

 

Yang'anani zophatikizika za zojambulazo + zoluka — 100% zojambulazo za aluminiyamu kuti zitheke kuphimba pafupipafupi komanso zomata zamkuwa zomangika (≥65% zophimba) kuti musamakane komanso kulimba. Pewani chishango chimodzi kapena zoluka zoluka pang'ono m'malo aphokoso.

 

 Kusinthasintha Zofunikira 

 

Pazogwiritsa ntchito zosunthika kapena zamaroboti, sankhani zingwe zopindika kwambiri, TPE kapena ma jekete a silikoni, ndi zoluka zoluka bwino zomwe zidavotera mamiliyoni ambiri akuzungulira. Kuyika kosasunthika kumatha kugwiritsa ntchito mitundu ya PVC yokhazikika komanso yotsika mtengo.

 

 Mikhalidwe Yachilengedwe 

 

Fananizani jekete lakunja ndi zoopsa zogwirira ntchito:

Kutentha  kwambiri : Gwiritsani ntchito FEP kapena PTFE  pa -70°C mpaka +200°C.

Kuwonekera kwa  chinyezi / mankhwala : Sankhani PUR kapena LSZH  yamafuta, madzi, kapena kukana dzimbiri.

·  UV / abrasion : Sankhani mitundu yokhazikika ya UV  kapena zida zankhondo  panja kapena mafakitale.

 

 Kutsata & Miyezo 

 

Tsimikizirani ziphaso monga UL, CE, RoHS, kapena MIL-spec zamafakitale olamulidwa monga azachipatala, zakuthambo, kapena chitetezo.

 

Kuyika nthawi posankha chingwe choyenera chotetezedwa kawiri-chogwirizana ndi mtundu wa chizindikiro, kupanikizika kwa makina, ndi zovuta za chilengedwe-zimatsimikizira kudalirika kwa nthawi yaitali, kuchepetsa kulephera, komanso kuteteza machitidwe okhudzidwa kuti asasokonezedwe ndi nthawi yopuma.

 

 Malangizo Okonzekera Kuti Mugwire Ntchito Yokhalitsa 

 

Chisamaliro choyenera ndi kukonza mwachangu ndikofunikira kuti muwonjezere moyo wautali komanso kukhulupirika  kwa zingwe zotchinga pawiri. Tsatirani njira zabwino izi kuti mupewe kuwonongeka ndikuwonetsetsa kugwira ntchito kodalirika:

 

Pewani  Kupinda Kwambiri Kapena Kupotokola Pakuika  Nthawi zonse muzilemekeza utali wopindika womwe watchulidwa wopanga  (nthawi zambiri chingwe cha 6–10×). Kupinda mopitirira muyeso kumatha kuthyola chingwe, kung'amba chishango cha zojambulazo, kapena kuwononga ma conductor amkati, kusokoneza chitetezo cha EMI ndikupangitsa kulakwitsa kwapakatikati.

 

Ma Cables Asakhale  Patali ndi Mphepete Zakuthwa ndi Pamalo Akutentha  Zingwe zanjira zisakhale ndi zitsulo, zingwe zonjenjemera, kapena malo otentha  (monga ma mota, zotulutsa mpweya). Gwiritsani ntchito zida zodzitetezera, zotchingira m'mphepete, kapena zomangira zozungulira  m'malo omwe ali pachiwopsezo chachikulu kuti mupewe kukwapula, kudula, kapena kusungunula kosungunula , komwe kungayambitse akabudula kapena phokoso.

 

Yang'anani  Nthawi ndi Nthawi Zolumikizira Zovala kapena Zowononga  Onani mapulagi, ma jeki, ndi zoyimitsa  pakadutsa miyezi 3-6 iliyonse m'malo ovuta. Yang'anani mapini opindika, nyumba zong'ambika, zishango zotayirira, kapena oxidation . Tsukani ndi mowa wa isopropyl ndi burashi yofewa , ndipo sinthani zolumikizira zowonongeka nthawi yomweyo kuti musamavutike kwambiri, maulumikizidwe opanda phokoso..

 

Gwiritsani  Ntchito Zomangira Zachingwe, Ma Conduit, Kapena Mathireyi Poyika Mwaukhondo Ndi Motetezedwa  Konzani zingwe zopanda zitsulo, zomangira zozungulira  kapena makina oyendetsera zingwe  kuti mupewe kukangana, kutsina, kapena kukwapula. M'mafakitale, gwiritsani ntchito mayendedwe osinthika kapena maunyolo okoka  kuti muthandizire kuyenda ndi chitetezo ku fumbi, zinyalala, ndi kupsinjika kwamakina.

 

 Malangizo Owonjezera Ovomereza 

 

1. Lemberani zingwe kuti muzizindikiritse mosavuta komanso kuti muthane ndi mavuto amtsogolo.

2. Yesani mtundu wa siginecha nthawi ndi nthawi pogwiritsa ntchito TDR, network analyzer, kapena cheki chowunikira  pamakina ovuta.

3. Sungani zingwe zotsalira pamalo ozizira, owuma, ophimbidwa momasuka popanda kinks.

 

Kukonzekera kosasintha, kolingalira bwino  kumateteza chitetezo, kumateteza kulephera kwamtengo wapatali, komanso kumapangitsa kuti ma siginecha azikhala abwino  nthawi yonse yautumiki wa chingwe, ngakhale pamafakitale, situdiyo, kapena ntchito zakumunda.