Kev daws teeb meem ntawm Roj Seepage nyob rau hauv Gel Seals rau Optical Cable Kaw junction Boxes
Nov 28, 2025| 1. Yam ntxwv ntawm Gel Sealant Materials
Lub sealing gel siv nyob rau hauv hlws ris thawv yog feem ntau yog ib tug thixotropic muab tshuaj txhuam raws li silicone los yog polyurethane. Nws cov yam ntxwv tseem ceeb muaj xws li:
Mos, Compressible, thiab Reusable:Tsis zoo li cov roj hmab nruj los yog cov raj kub hnyiab, cov gel yog cov kua dej ib nrab. Thaum lub kaw lus kaw, cov gel compresses kom puv tag nrho qhov khoob, tsim kom muaj lub cev tsis muaj zog. Ib qho txiaj ntsig tseem ceeb yog nws lub peev xwm los rov tsim lub foob txawm tias tom qab qhov kev kaw rov qhib thiab rov kaw dua.
Water Repellency thiab rwb thaiv tsev:Nws ua haujlwm zoo thaiv cov dej ua kua thiab muab cov hluav taws xob zoo heev, tiv thaiv cov fibers optical thiab splice tais los ntawm ib puag ncig kev puas tsuaj.
Wide Temperature Adaptability: Nws tuav nws lub xeev gel thiab sealing kev ua tau zoo nyob rau hauv ntau qhov kub thiab txias (piv txwv li, -40℃rau +60 degree), tiv thaiv melting ntawm kub kub los yog nkig thiab tawg nyob rau hauv txias.
Chemical Stability:Nws nthuav tawm zoo sib xws nrog cov tsho cable, hlau, thiab yas, txo qhov kev pheej hmoo ntawm cov tshuaj lom neeg.
Hauv essence, ib qho zoo tagnrho gel ua haujlwm zoo li ib qho" ntse, yoog raws putty"uas zoo kawg nkaus nyob qhov khoob thiab yoog raws cov kev hloov pauv.
2. Lub hauv paus ua rau roj seepage
Cov roj seepage tshwm sim thaum lub cev thiab tshuaj lom neeg ruaj khov ntawm cov gel raug cuam tshuam los ntawm cov xwm txheej tshwj xeeb, ua rau cov khoom siv roj hauv lub cev (plasticizers lossis low-molecular-weight siloxanes) cais thiab tsiv teb tsaws. Cov laj thawj tseem ceeb yog:
1. Cov teeb meem zoo ntawm cov khoom (Qhov feem ntau tshwm sim)
Formula Defects:Txhawm rau txo cov nqi, cov tuam txhab lag luam tuaj yeem siv ntau ntau ntawm cov yas yas lossis cov roj ntxhia. Cov khoom no muaj kev sib raug zoo nrog cov gel matrix thiab yooj yim cais raws li qhov kub thiab txias hloov.
Kev sib txuas tsis txaus:Lub gel tus qauv peb-dimensional network yog tsim los ntawm cov tshuaj sib txuas sib txuas. Ib qho kev sib txuas sib txuas tsis tiav ua rau lub network xoob uas ua tsis tiav "xauv hauv" cov khoom me me, ua rau pom kev.
2. Cov xwm txheej ib puag ncig tsis zoo
Sustained High Temperatures:Yog tias lub thawv sib txuas tau raug tshav ntuj ncaj qha, qhov kub thiab txias sab hauv tuaj yeem tshaj qhov kub ntawm huab cua. Thaum tshav kub kub accelerates lub zog ntawm me me molecules nyob rau hauv lub gel, ua kom yooj yim rau lawv khiav. Cov kub kub kuj ua rau cov gel thinner thiab kua ntau dua.
Qhov tseem ceeb kub Cycling:Hauv cov cheeb tsam uas muaj qhov kub thiab txias nruab hnub hmo ntuj, cov gel pheej rov nthuav dav thiab sib cog lus. Qhov no txuas ntxiv "ua pa" cuam tshuam ua haujlwm zoo li lub twj tso kua mis, maj mam nyem cov khoom oily tawm.
3. Kev siv tshuab tsis zoo
Over-Compression:Kev siv lub zog ntau dhau thaum zawm qhov kaw ua rau cov gel mus rau qhov siab, yuam "squeezing" cov roj tawm.
Tsis sib npaug siab:Kev ua tsis zoo ntawm cov kab hauv lub thawv tuaj yeem ua rau muaj kev ntxhov siab tsis sib xws ntawm cov gel foob, ua rau muaj kev kub ntxhov hauv cheeb tsam thiab pom.
4. Cov teeb meem khoom siv sib xws
Kev sib cuag ntev ntawm cov gel thiab cov ntaub ntawv tshwj xeeb (xws li, qee yam ntawm PE / PVC cable tsho lossis cov ntaub ntawv kaw yas) tuaj yeem ua rau muaj kev cuam tshuam qeeb, ua rau cov gel ua haujlwm tsis zoo thiab ua rau muaj kev nkag mus.
Kev ntsuam xyuas feem ntau qhia qhov sib txawv tseem ceeb hauv kev ua haujlwm ntawm cov khoom siv gel los ntawm ntau tus neeg muag khoom. Cov duab hauv qab no qhia txog qhov kev xeem 7-hnub zoo sib piv cov khoom sib txawv:
3. Kev daws teeb meem
Ib tug systematic mus kom ze nrog rau ob leegtiv thaivthiabkev kho mobyuav tsum tau daws qhov teeb meem no.
A. Kev Tiv Thaiv Kev Tiv Thaiv (Rau qhov project tshiab thiab kev teeb tsa)
1. Xaiv cov khoom zoo:
Hom thiab Certification:Ua ntej cov khoom lag luam los ntawm cov npe nrov npe. Thov cov ntaub ntawv pov thawj cov ntaub ntawv (xws li, UL, RoHS) thiab cov ntaub ntawv xeem tshwj xeeb rau cov roj sib cais lossis exudation nyob rau hauv qhov kub thiab txias.
Kev Xeem Hauv Tsev:Rau cov haujlwm tseem ceeb, ua qhov kev sim yooj yim: tso cov qauv ntawm cov gel rau ntawm daim ntawv dawb thiab tso rau hauv qhov cub ntawm 60-70℃(los yog nyob rau hauv tshav ntuj ncaj qha) rau 24-48 teev. Xyuas kom pom cov roj stains ntawm daim ntawv.
2. Ua raws li cov txheej txheem kev teeb tsa tus qauv:
Ua raws li cov lus qhia:Tighten kaw screws nruj me ntsis raws li cov chaw tsim tshuaj paus lub zog torque kom tsis txhob over-tightening.
Kev Routing Cable:Xyuas kom cov cables nkag mus tau zoo yam tsis muaj kev khoov ntse kom tiv thaiv tsis sib xws ntawm cov gel foob.
Kev Tu Nto: Ua ntej kev teeb tsa, xyuas kom meej cov kab hluav taws xob thiab cov kab kaw kaw kom huv si, qhuav, thiab tsis muaj roj thiab plua plav kom tso cai rau cov gel adhesion zoo.
B. Kev Kho Kom Zoo (Rau cov thawv cuam tshuam)
1. Ntsuas qhov hnyav:
Me me Seepage:Yog tias tsuas yog ib qho me me ntawm cov roj zaj duab xis nyob, so nws nrog ib daim ntaub tsis muaj lint thiab saib xyuas. Yog tias nws tsis tuaj yeem rov ua dua thiab qhov kaw tau dhau qhov kev ntsuas kev ruaj ntseg (xws li, kev ntsuas huab cua), nws yuav raug saib xyuas nrog ntau zaus tshuaj xyuas.
Severe Seepage:Yog tias cov roj tshwm tsis tu ncua, cov ntaub ntawv tee dej, lossis yog tias pom cov dej noo hauv lub thawv nrog cov fiber ntau attenuation, yuav tsum ua tam sim ntawd.
2. Hloov lub foob (Qhov tseem ceeb tshaj plaws thiab txhim khu kev qha daws teeb meem):
Cov kauj ruam:
Teem lub qhov rais txij nkawm kom txo qis thiab cuam tshuam kev pabcuam kho qhov muag.
Qhib qhov kaw thiab ua tib zoo sau cov fiber ntau splice tais layout.
Ua tib zoo tshem tawm tag nrho cov qub, cuam tshuam gel.Ntxuav lub cev kaw thiab cov cables ua tib zoo siv cov ntaub so uas tsis muaj lint thiab ib lub tshuab ntxhua khaub ncaws (xws li cawv).
Nruab ib lub tshiab, zoo gel sealant chav tsev.
Reassemble lub kaw, kom ntseeg tau tias nws yog nruj rau qhov tseeb specification.
Ua ib qho kev ntsuas kev sib khi(piv txwv li, huab cua siab los yog immersion test) tom qab kev teeb tsa kom paub meej tias qhov teeb meem raug daws.
3. Thov Kev Pabcuam Sealing (Kev ntsuas ib ntus lossis ntxiv):
Raws li kev txhawb nqa ib ntus, qhwv ob peb txheej ntawm cov ntaub nplaum tsis muaj dej tsis zoo (xws li, Butyl daim kab xev) nyob ib ncig ntawm lub cable nkag mus rau sab nraum thawj gel foob. Qhov no ntxiv ib txheej tiv thaiv ntxiv tab sistsis kho qhov teeb meem hauv qab gel seepage.
4. Cov lus xaus
Qhov tseem ceeb ntawm cov roj seepage hauv optical kaw gel seals yogsubstandard khoom zoo, exacerbated los ntawm ib puag ncig kub thiab mechanical siab. Yog li ntawd, qhov kev daws teeb meem tseem ceeb nyob hauvtiv thaiv-Kev xaiv cov khoom pov thawj, cov khoom zoo thiab ua raws li cov txheej txheem kev teeb tsa. Rau cov teeb meem uas twb muaj lawm,tam sim ntawd hloov nrog ib tug tsim nyog sealantyog tib qho kev daws teeb meem tas mus li kom ntseeg tau tias muaj kev ruaj ntseg ntev thiab kev ntseeg siab ntawm cov khoom siv kho qhov muag cable.