Cov Cable Uas Tsis Muaj Pa Luam Yeeb Tsawg (LSZH Cable), uas muaj cov pa luam yeeb tsawg, tsis muaj halogen (ua raws li IEC 60754 tus qauv), tiv taus hluav taws, thiab cov yam ntxwv zoo rau ib puag ncig, yog siv dav hauv kev tsim kho vaj tse, kev thauj mus los ntawm tsheb ciav hlau, cov chaw khaws ntaub ntawv, cov tshuab fais fab, thiab cov chaw pej xeem. Nws qhov kev ntseeg tau mus sij hawm ntev tsis yog nyob ntawm kev teeb tsa thiab cov xwm txheej ib puag ncig xwb tab sis kuj nyob ntawm kev ua tau zoo ntawm cov khoom siv rwb thaiv tsev LSZH thiab cov khoom siv sheathing.
I. Hom Kev Ua Tsis Tau Zoo Feem Ntau
Cov teeb meem loj ntawm LSZH cables suav nrog kev puas tsuaj rau lub cev, kev nkag mus rau hauv cov dej noo ntawm cov rwb thaiv tsev, kev laus, kev hloov pauv hluav taws xob, kev kub hnyiab ntawm cov cable, thiab kev ua tsis tiav ntawm cov khoom siv. Cov yam tseem ceeb uas ua rau muaj teeb meem yog raws li nram no:
Kev Ua Haujlwm Ntev Ntev: Kev cua sov ntawm tus neeg xyuas pib ua rau txheej rwb thaiv tsev thiab LSZH sheath raug rau qhov kub siab rau lub sijhawm ntev, yooj yim rau kev laus ntawm thermal-oxidative, txo cov khoom siv hluav taws xob thiab cov khoom siv kho tshuab. Lub caij no, tus neeg xyuas pib tooj liab tuaj yeem ua kom cov khoom rwb thaiv tsev oxidation sai dua (tooj liab-catalyzed degradation).
Teeb Meem Kev Teeb Tsa: Kev sib khi tsis zoo lossis kev puas tsuaj ntawm lub plhaub ua rau cov dej noo nkag mus rau hauv txheej rwb thaiv tsev; qhov tsis txaus ntawm qhov khoov vojvoog yuav ua rau muaj kev ntxhov siab, ua rau muaj kev pheej hmoo ntawm kev tawg.
Kev Cuam Tshuam Ib Puag Ncig thiab Sab Nraud Lub Zog: Kev ntub dej ntev, kev tawm sab nraud, lossis kev puas tsuaj ntawm kev tsim kho hauv nroog tuaj yeem ua rau lub plhaub thiab cov qauv rwb thaiv tsev puas tsuaj.
Kev Xeb Tshuaj Lom Zem: Hauv cov chaw muaj kua qaub / alkaline lossis ntsev tsuag, lub plhaub thiab cov cuab yeej ua rog yuav xeb, cuam tshuam rau kev ruaj khov ntawm cov qauv.
Cov Teeb Meem Zoo ntawm Cov Khoom Siv thiab Cov Khoom Siv: Kev ua haujlwm tsis ruaj khov ntawm cov khoom siv rwb thaiv tsev, cov khoom siv sheathing, lossis cov khoom siv cable yuav ua rau muaj kev tawm ib nrab, tawg, lossis overvoltage, uas cuam tshuam loj heev rau kev nyab xeeb ntawm lub kaw lus.
II. Cov Ua Rau Kev Laus
Kev laus ntawm LSZH cable yog los ntawm kev sib xyaw ua ke ntawm hluav taws xob, thermal, mechanical, thiab ib puag ncig:
Kev Laus Thaum Tshav Kub thiab Kev Ua Phem Los Ntawm Tooj Liab: Qhov kub siab ntev ua rau cov saw hlau molecular tawg lossis oxidation hauv cov ntaub ntawv LSZH. LSZH txuas nrog muaj kev tiv taus cua sov zoo dua, nrog rau kev sib xws cuam tshuam rau kev ua haujlwm ntev; thermoplastic LSZH zoo heev hauv kev yooj ywm thiab kev ua haujlwm tau zoo.
Cov dej noo nkag thiab cov dej ntoo cuam tshuam: Rau cov xov hluav taws xob nruab nrab thiab siab, cov dej noo nkag ntawm cov rwb thaiv tsev yooj yim tsim cov qauv ntoo dej, maj mam ua rau lub zog rwb thaiv tsev qaug zog; cov xov hluav taws xob qis feem ntau qhia txog kev txo qis kev tiv thaiv rwb thaiv tsev.
Kev Xeb Tshuaj Lom Zem thiab Kev Nyuaj Siab Mechanical: Acidic/alkaline lossis electrolytic corrosion, kev sib koom ua haujlwm tsis zoo, thiab tsis txaus bending radius ua rau muaj kev ntxhov siab, ua rau kev tawg ntxov ntawm cov rwb thaiv tsev thiab lub plhaub.
III. Qhov Tseem Ceeb ntawm Cov Khoom Siv Cable LSZH Uas Muaj Kev Ua Haujlwm Zoo
Ruaj khovCov ntaub ntawv LSZHyog qhov tseem ceeb rau kev ua kom cov cables ua haujlwm tau ntev:
Cov Tshuaj Tiv Thaiv Kev Rwb Thaiv Tsev: Cov khoom siv hluav taws xob zoo heev, tiv taus kev puas tsuaj los ntawm tooj liab, tiv taus kev laus thermal ruaj khov
Cov Tshuaj Txheej Txheem: Zoo tiv taus hluav taws thiab cov yam ntxwv tsis muaj pa luam yeeb, muaj zog heev, tiv taus kev tawg, thiab tiv taus dej noo thiab cua sov.
IB LUB NTIJ TEBtshwj xeeb hauv kev daws teeb meem cov khoom siv cable, muab cov khoom siv rwb thaiv tsev zoo LSZH, cov khoom siv LSZH sheathing, thiab ntau yam khoom siv tsim cable, siv dav hauv cov xov hluav taws xob, cov xov sib txuas lus, thiab cov xov tshwj xeeb, pab cov neeg siv khoom txhim kho kev nyab xeeb thiab kev ntseeg siab mus sij hawm ntev.
Lub sijhawm tshaj tawm: Lub Ob Hlis-28-2026