Nyob rau hauv damp ib puag ncig xws li hauv paus thiab sab nraum zoov them nyiaj, qhov teeb meem ntawm kev laus cable feem ntau teeb meem engineers. Cov dej noo tuaj yeem nkag mus rau txheej txheem txheej ntawm cov xaim hluav taws xob ntawm cov xaim, ua rau tooj liab cores rau oxidize thiab tiv taus nce ntxiv. Qhov no tsis yog yooj yim ua rau luv luv- Cov kab ke ntawm cov kab ke ntawm cov av noo noo yuav muaj kev txo qis los ntawm ntau dua 60%. Txhawm rau zam cov teeb meem no, xaiv cov ntoo xaim hluav taws xob yog qhov tseem ceeb heev. Thiab los txiav txim siab yog tias lub tshuab dej tsis muaj cai, ib qho yuav tsum tsom rau cov lej hauv qab no 5 lub ntsiab lus:
1. Kev tiv thaiv qib (IP code): Pom meej meej "Ciam ntawm cov khoom siv dej tsis muaj zog"
Qhov ntsuas tiv thaiv (IP code) yog qhov ntsuas tau yooj yim rau kev ntsuas qib dej ntawm cov cable, muaj qib plua plav "+" theem dej nyuaj ". Tus lej thib ob txiav txim ncaj qha cov nyhuv dej. Thaum kev yuav khoom, nws yog ib qho tsim nyog kom phim nws raws li qhov xwm txheej tiag:
IPX4: tuaj yeem tawm tsam ib qho kev taw qhia ntawm cov dej txau, haum rau cov chaw ntub dej xws li chav ua noj thiab chav ua noj, xws li cov khoom siv chav dej;
IPX7: tuaj yeem yog submerged nyob rau hauv 1 meter ntawm dej rau 30 feeb yam tsis muaj dej nyob sab nraud, uas yuav muaj luv- sij hawm dej ntxiv;
IPX8: tuaj yeem yog submerged nyob rau hauv dej ntev (qhov tob tob (ib qho tob thiab lub sijhawm ua luam dej ua ke xaim hluav taws xob yuav tsum ua kom tiav tus qauv no.
Nws yuav tsum raug sau tseg tias qee cov cable yuav raug sau tseg "IP68", qhov twg "6"}}}} sawv cev ntawm cov qib siab ntawm waterproofing. Xws li cov cables ua tau zoo dua hauv cov chaw muaj kev lag luam uas hmoov av thiab dej noo.
2. Rwb thaiv cov ntaub ntawv: "Thawj Barier" rau Kev Ua Haujlwm Waterproof
Cov rwb thaiv tsev txheej ntawm cov cable ncaj qha rau cov chaw sab nraud, thiab nws cov khoom txiav txim siab lub peev xwm tsis txaus ntseeg ntawm kev siv dej tsis huv. Ntawm cov khoom siv waterproof rwb thaiv tsev, hla}}}}}}}}}) thiab cpecegent polyethylene (CPE) yog nyiam:
Hla -} Txuas Polyethylene (XLPE): Tsis yog qhov nyuaj rau kev nkag mus, tsim nyog rau sab nraum zoov qhov hluav taws xob sib txuas;
Chlorinated polyethylene (CPE): elasticity, feem ntau siv nyob rau ib puag ncig sab nraum zoov, thiab lawv cov dej ntws tau yuav sai Kev poob qis.
3. Tus neeg saib xyuas qauv: cuam tshuam rau waterproofing thiab coj zoo ruaj khov
Tus neeg xyuas pib yog qhov tseem ceeb ntawm cov cable, thiab nws cov qauv tsis yog cuam tshuam rau kev ua haujlwm tau zoo tab sis kuj cov nyhuv dej. Nyob rau hauv damp ib puag ncig, ntau {{1} khiav tawm ntawm cov neeg saib xyuas ntau dua li ib qho- Strand tus coj:
Multi - strand sib txawv ntawm cov khoom siv hluav taws xob puas tsuaj vim yog khoov, yog li txo txoj kev pheej hmoo ntawm dej infiltration;
Some high-end waterproof cables will wrap an "anti-water band" around the conductor, even if the insulation layer is accidentally damaged, the anti-water band can quickly expand to block the further penetration of water into the conductor interior, avoiding copper core oxidation.
Thaum kev yuav khoom, koj tuaj yeem tshawb xyuas lub rooj rau cable specification thiab preferentially xaiv cov khoom nrog "multi {{{}}} Cov qauv dej yuav tsum tau ua rau nquag txav (xws li underwater neeg hlau cable).
4. Qhov ntsuas kub ntau: Tau tshaj qhov kub hloov pauv hauv Damp ib puag ncig
Damp ib puag ncig feem ntau nrog cov hloov ntsuas kub (xws li kub nyob rau lub caij ntuj sov nyob rau hauv qab daus Winters), thiab qhov kub ntawm cov cable txiav txim siab nws ruaj khov. Feem ntau, dej tsis muaj dej yuav tsum muaj qhov kub thiab txias tshaj li ntawm 125℃los ntawm kev kub siab dua li ntawm 125℃rau qhov kub thiab txias thiab poob nws lub peev xwm waterproof;
Yog tias qhov kub thiab txias nyob hauv qab - 20 Qib (los tiv thaiv cov cable uas muaj qhov cub tsis zoo
Tsis quav ntsej txog qhov kub tsis kam ntau, txawm yog tias cable qhov quav dej ua tau raws li tus qauv, nws kuj tseem muaj hnub nyoog sai dua vim kub hloov.
Huab cua Kuj: Qhov "cov nyom ntxiv" hauv ib puag ncig huab cua
Tsaus ib puag ncig feem ntau nrog nrog cov kev sib tw ntxiv xws li cov roj ci ultraviolet, acid los nag, thiab pwm. Yog li ntawd, waterproof cables yuav tsum muaj huab cua zoo tiv thaiv:
Anti-ultraviolet: Outdoor cables need to add UV-resistant agents to avoid the insulation layer becoming brittle and cracking due to long-term exposure to sunlight. Qhov no tuaj yeem txiav txim siab los ntawm kev kuaj yog tias cov khoom lag luam "U6- istant" lossis "rau kev siv sab nraum zoov";
Isti -} pak: tsaus thiab noo chaw ib puag ncig hauv cov hauv paus thiab cov tunnels yog nquag los pwm txheej txheem txheej txheem. Yog li ntawd, cov xaim thiaj yuav tsum tau kho pwm (xws li ntxiv cov pwm tsim), thiab cov pwm tsis kam) nyob rau hauv cov lus tshwj xeeb yog qhov zoo tshaj plaws;
Tshuaj lom neeg corrosion: yog tias muaj cov tshuaj corrosive xws li cov kua qaub cables), uas tuaj yeem tiv thaiv ntau yam tshuaj lom neeg thiab tswj kev ua haujlwm tsis zoo.
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Hauv ib puag ncig huab cua noo, xaiv cov dej yog dej hluav taws xob tsis tsuas yog zam cov hassle ntawm cov kev hloov pauv zaus tab sis kuj ua kom muaj kev nyab xeeb tshaj plaws. Nco ntsoov 5 tus tseem ceeb -} Kev tiv thaiv qib, cov qauv kev coj ua, qhov kub tiv taus ntau yam, thiab huab cua tsis kam. Ua ke nrog lawv nrog cov xwm txheej tiag tiag rau kev txiav txim siab, thiab koj tuaj yeem xaiv cov dej tsis haum dej cable. Yog tias tseem muaj kev ua xyem xyav txog kev xaiv cable rau cov xwm txheej tshwj xeeb, koj tuaj yeem tham nrog qhov chaw nyob sab nraud, kom tau txais cov lus pom zoo ntxiv.
