Zaɓin kayan kwasfa na waje don kebul na fiber optic ya haɗa da la'akari da abubuwa da yawa masu alaƙa da aikace-aikacen kebul ɗin, yanayi, da buƙatun aiki.Anan akwai wasu mahimman la'akari don taimaka muku zaɓar kayan da ya dace na waje don igiyoyin fiber optic:
Yanayi na Muhalli: Tantance yanayin da za a shigar da kebul ɗin.Yi la'akari da abubuwa kamar kewayon zafin jiki, fallasa ga danshi, sinadarai, hasken UV, abrasion, da sauran haɗarin haɗari.
Kariyar Injini: Ƙayyade matakin kariya na inji da ake buƙata.Idan za'a shigar da kebul ɗin a cikin gurɓatattun wurare ko wuraren da ke da lahani ga lalacewa ta jiki, kuna buƙatar kayan kubu wanda ke ba da babban juriya ga ɓarna da tasiri.
Juriya da Wuta:Wasu aikace-aikace, musamman waɗanda ke cikin masana'antu ko mahaɗarin haɗari, na iya buƙatar igiyoyi masu riƙe da wuta ko kumbura masu jure wuta don bin ƙa'idodin aminci.
Sassauci da Lanƙwasa Radius:Don shigarwa inda kebul na iya buƙatar lanƙwasa ko lanƙwasa, zabar kayan kubu wanda ke ba da sassauci ba tare da lalata aikin kebul ɗin yana da mahimmanci ba.
Juriya na Chemical:Yi ƙididdige ko za a fallasa kebul ɗin zuwa sinadarai ko abubuwa masu lalata.Zaɓi kayan kubu wanda zai iya tsayayya da waɗannan abubuwan don kiyaye amincin kebul.
Juriya UV:Idan kebul ɗin za a fallasa shi ga hasken rana ko yanayi na waje, kayan da ke jure wa UV zai hana lalacewa na tsawon lokaci saboda tsawaita bayyanar da hasken ultraviolet.
La'akarin Farashi:Daidaita buƙatun aikin aiki tare da ƙarancin farashi.Wasu na'urori na musamman na iya ba da kaddarori masu inganci amma sun zo da farashi mafi girma.
Ka'idoji da Ka'idoji:Tabbatar cewa zaɓaɓɓen kayan kwasfa ya bi ka'idodin masana'antu da ƙa'idodi don aikace-aikacen da aka yi niyya.
Abubuwan gama gari da ake amfani da su don sheath na waje a cikin igiyoyin fiber optic sun haɗa da: Yaya Ake Zaɓan Fiber Optic USB Outer Sheath kayan?
1 PVC
2 PE
3 LSZH
4 AT
5 Anti-Rodent
6 Anti-Flame
PVC
PVC shine mafi yawan amfani da fiber optic na USB na waje kayan abu.Yana da kyawawan ayyuka, kyakkyawan juriya na sinadarai da juriya na yanayi, ƙarancin farashi, ƙarancin flammability, kuma yana iya biyan buƙatun lokuta na yau da kullun.Duk da haka, kebul na gani na PVC da aka yi da sheashed zai haifar da hayaki mai yawa lokacin da aka kone, wanda ba ya dace da muhalli.
PE
Kayan polyethylene ba shi da wari, ba mai guba ba, yana jin kamar kakin zuma.Yana da kyakkyawar juriya mai ƙarancin zafin jiki (mafi ƙarancin zafin jiki zai iya kaiwa -100 ~ -70 ° C), kwanciyar hankali mai kyau na sinadarai, kuma yana iya jure yawancin acid da alkalis (ba jurewar iskar shaka ba) Yanayin acid).Ba shi da narkewa a cikin kaushi na gabaɗaya a cikin zafin jiki, yana da ƙarancin sha ruwa da ingantaccen rufin lantarki.
Saboda ƙarancin ƙarancin ƙarfi, haɓakar iska mai kyau, ingantaccen rufi da juriya na UV na PE fiber kebul na waje, ana amfani da shi sau da yawa a cikin yanayin waje.Dangane da yawa na PE fiber na USB m sheath, akwai kuma MDPE (tsakiyar yawa) da HDPE (high yawa).
LSZH
LSZH (ƙananan hayaki sifili halogen) abu ne mai ɗaukar harshen wuta wanda ke cike da abubuwan inorganic (aluminum hydroxide, magnesium hydroxide).Kebul ɗin fiber na gani na LSZH ba zai iya kawai rage yawan abubuwan da ake iya konewa ba, har ma da ɗaukar zafi da ake samu ta hanyar konewa, kuma a lokaci guda yana haifar da shingen iskar oxygen mara ƙonewa.
LSZH fiber optic na USByana da kyakkyawan aikin haɓakar harshen wuta, ƙananan hayaki a lokacin konewa, babu hayaki mai guba mai guba, babu guduwar iskar gas, ƙarfin ƙarfin ƙarfi mai kyau, juriya mai ƙarfi da laushi, kyakkyawan juriya mai ƙarfi, dacewa da yanayi tare da buƙatun kashe wuta da tsayayya da buƙatun wutar lantarki.Rashin hasara shi ne cewa kwafin LSZH yana da sauƙin fashe.
AT
Za'a iya samun kumfa na waje na kebul na gani na kayan AT ta ƙara ƙari zuwa PE.Irin wannan kumfa yana da kyakkyawan aikin anti-tracking, don haka kebul na gani da aka saba amfani dashi a cikin babban yanayin wutar lantarki yana buƙatar kumfa na kayan AT.
Anti-Rodent
Wani na kowana USB na ganiKayan sheathing abu ne na rigakafin rodent, wanda ake amfani da shi don igiyoyi masu gani da aka shimfida a cikin rami da ayyukan karkashin kasa.An raba tsarin zuwa kariyar sinadarai da kariya ta jiki.Daga cikin su, kariya ta jiki hanya ce mai mutuƙar mutuntawa, kuma ana iya amfani da zaren aramid da kayan sulke na ƙarfe don hana cizon bera.
Anti-Flame
Lokacin da ake amfani da kebul na fiber optic a cikin mahakar ma'adinai ko wasu yanayin aminci kafin, kyakkyawan halayen hana ƙonewa na kebul na fiber optic yana da mahimmanci.Kebul na gani na harshen wuta abu ne mai ɗaukar harshen wuta maimakon polyethylene sheath abu maimakon na yau da kullun na USB na polyethylene sheath, ta yadda kebul na gani yana da kaddarorin kashe wuta.