PVC cable yog tam sim no feem ntau siv tsawg-voltage cable khoom nyob rau hauv lub hwj chim thaiv, kho kom zoo nkauj hauv tsev thiab installation, thiab kev lag luam khoom sib txuas. Nrog rau cov txheej txheem tsim khoom, kev ua haujlwm ruaj khov, thiab tus nqi siab heev -kev ua tau zoo, PVC cable tau ntev nyob hauv txoj haujlwm tseem ceeb hauv kev lag luam hluav taws xob hauv pej xeem.
Ⅰ. Basic txhais ntawm PVC cable
PVC cable yog lub npe tag nrho ntawm polyvinyl chloride insulated cable, uas yog ib hom hlau thiab cable nrog polyvinyl chloride (PVC) raws li rwb thaiv tsev txheej los yog txheej txheej. Nws yog tsim los ntawm peb qhov chaw: tus neeg xyuas pib core hlau, PVC rwb thaiv tsev txheej, thiab PVC tiv thaiv sheath. Tus neeg xyuas pib core xaim yog lub luag haujlwm rau lub zog thiab cov teeb liab kis tau tus mob, cov txheej txheem rwb thaiv tsev cais tawm tam sim no thiab tshem tawm cov kev pheej hmoo ntawm kev xau, thiab cov ntaub thaiv npog tiv thaiv sab nraud tiv thaiv kev hnav, ya raws, corrosion, thiab lwm yam. PVC yog cov khoom siv thermoplastic resin, nrog cov rwb thaiv tsev zoo heev, nplaim taws retardancy, thiab plasticity. Los ntawm cov qauv kev ua kom zoo, nws tuaj yeem hloov mus rau ntau yam kev siv ib puag ncig. Nws yog ib yam khoom siv yooj yim heev nyob rau hauv qhov chaw qis -voltage cables. Piv nrog XLPE cross-txuas cables thiab qis- pa taws, qis-halogen tshwj xeeb cables, qhov zoo tshaj plaws ntawm PVC cable yog nws cov nqi siab-kev ua tau zoo, dav yoog raws, thiab kev tsim kho yooj yim, ua rau nws yog cov khoom nyiam tshaj plaws rau kev xaim hluav taws xob tsis tu ncua.
Ⅱ. Core qauv muaj pes tsawg leeg ntawm PVC cable
PVC cable yog qhov yooj yim hauv cov qauv thiab muaj cov txheej txheem paub tab. Peb txheej txhua tus muaj lawv tus kheej lub luag haujlwm los xyuas kom lub sijhawm ntev - lub sijhawm ua haujlwm ruaj khov ntawm kab. Qhov tshwj xeeb muaj pes tsawg leeg yog raws li nram no:
- Conductor core wire: feem ntau muab faib ua tooj liab thiab txhuas core hom. Cov tub ntxhais tooj liab muaj qhov ua tau zoo, tsis tshua muaj kev poob qis, oxidation tsis kam, thiab kev nyab xeeb siab, tsim nyog rau kev kho kom zoo nkauj hauv tsev, cov khoom siv precision, thiab ntev - lub sij hawm fais fab mov scenarios; aluminium core yog lub teeb yuag, tus nqi qis, thiab feem ntau yog siv rau sab nraum zoov nyiaj siv ua haujlwm, kev xa hluav taws xob ib ntus. Cov tub ntxhais hlau tuaj yeem ua rau ib leeg -strand nyuaj hlau los yog ntau-strand soft wire, haum rau cov kev xav tau sib txawv ntawm cov xaim.
- PVC rwb thaiv tsev txheej: qhwv ib ncig ntawm tus neeg xyuas pib sab nraud, nws yog cov txheej txheem kev nyab xeeb ntawm lub cable. High- cov khoom siv PVC rwb thaiv tsev zoo muaj cov rwb thaiv tsev zoo thiab cov khoom siv hluav taws xob ruaj khov, tuaj yeem cais cov tam sim no zoo, tiv thaiv kev xau thiab luv Circuit Court teeb meem, thiab ua tau raws li qhov yuav tsum tau muaj kev nyab xeeb ntawm cov pa qis -voltage fais fab zaus hluav taws xob.
- PVC txheej txheej: raws li kev tiv thaiv txheej txheej ntawm lub cable, nws muaj cov yam ntxwv ntawm hnav tsis kam, siab tsis kam, noo noo tsis kam, tiv thaiv - laus, thiab me ntsis corrosion kuj, tuaj yeem tiv thaiv cov txheej txheem rwb thaiv tsev thiab tus neeg xyuas pib, zam kev puas tsuaj los ntawm ib puag ncig sab nraud, thiab txuas ntxiv lub neej kev pabcuam cable.
Ⅲ. Lub ntsiab zoo ntawm PVC cable
- Qhov nrov tshaj plaws ntawm PVC cable nyob rau hauv nws cov kev ua tau zoo thiab muaj zog practicality. Nws cov txiaj ntsig tseem ceeb yog raws li hauv qab no:
- Rwb thaiv tsev kev nyab xeeb, kev ua haujlwm ruaj khov: PVC cov qauv molecular yog qhov ruaj khov, nrog cov rwb thaiv tsev zoo heev, kev siv lub sij hawm ntev - tsis tuaj yeem ua rau muaj kev cuam tshuam, tuaj yeem zam tsis txhob xau thiab hluav taws xob poob siab, thiab ua tau raws li cov qauv kev nyab xeeb rau pej xeem lub tsev hluav taws xob.
- Cov nplaim hluav taws kub hnyiab thiab nws tus kheej -kev tua, hluav taws kub zoo: Cov khoom muaj cov tshuaj chlorine, ib txwm muaj cov nplaim hluav taws kub hnyiab thiab nws tus kheej - tua hluav taws. Nws tuaj yeem maj mam hlawv thaum raug hluav taws thiab cia li tua thaum raug tshem tawm ntawm qhov hluav taws kub, tuaj yeem tiv thaiv kev sib kis ntawm hluav taws, thiab txo qhov kev pheej hmoo ntawm hluav taws xob nthuav dav.
- Corrosion kuj thiab huab cua tsis kam, dav adaptability: zoo heev tshuaj stability, muaj peev xwm tiv taus dej vapor, roj, me ntsis acid thiab alkali corrosion, zoo ya raws - pov thawj thiab pwm- pov thawj nyhuv, yuav siv tau nyob rau hauv ntau yam pa ib puag ncig xws li qhuav sab hauv tsev, damp corridors, thiab hauv qab daus.
- Saj zawg zog thiab yooj yim rau nruab: Nyob rau hauv chav tsev kub, cov khoom yog mos, tuaj yeem khoov, thiab yooj yim txiav thiab stripped, haum rau txoj hlua teeb xws li cov ces kaum, qab nthab, thiab kab kav, tsis muaj cov cuab yeej tshwj xeeb yuav tsum tau siv rau kev txhim kho, txhim kho kev siv hluav taws xob zoo.
- Tus nqi siab -kev ua tau zoo, tsim nyog rau cov neeg nyiam: Cov khoom siv raw yog pheej yig, cov txheej txheem ntau lawm yog cov paub tab, cov nqi tsim khoom tsawg, tus nqi qis dua cov cables tshwj xeeb, kev pab cuam lub neej ruaj khov, nws yog qhov kev xaiv zoo tshaj plaws rau kev siv hluav taws xob loj thiab kev lag luam.
Ⅳ. Kev txwv ntawm PVC cable
Vim yog cov khoom siv, PVC cable muaj qee qhov kev siv tsis zoo. Thaum xaiv, nws yog ib qho tsim nyog kom tsis txhob muaj xwm txheej tsis tsim nyog:
- Rwb thaiv tsev kev ua tau zoo: PVC muaj qhov ua tau zoo ntawm rwb thaiv tsev, kev siv ntev ntev - tsis tuaj yeem ua rau muaj kev cuam tshuam, tuaj yeem zam qhov kev pheej hmoo ntawm hluav taws xob thiab hluav taws xob, thiab ua tau raws li cov qauv kev nyab xeeb rau pej xeem lub tsev hluav taws xob.
- Hluav taws kub tsis kam: Cov khoom muaj chlorine, ib txwm muaj cov nplaim hluav taws kub hnyiab thiab tus kheej -extinguishing zog. Nws tuaj yeem maj mam hlawv thaum raug hluav taws thiab cia li tua thaum raug tshem tawm ntawm qhov hluav taws kub, tuaj yeem tiv thaiv kev sib kis ntawm hluav taws, thiab txo qhov kev pheej hmoo ntawm hluav taws xob nthuav dav.
- Kev tiv thaiv corrosion thiab huab cua tsis kam: Cov tshuaj lom neeg ruaj khov zoo heev, tuaj yeem tiv taus dej vapor, roj, me ntsis acid thiab alkali corrosion, noo noo zoo - pov thawj thiab pwm- cov nyhuv pov thawj, tuaj yeem siv rau ntau qhov chaw ib puag ncig xws li qhuav sab hauv tsev, damp corridors, thiab hauv qab daus.
Ua ntej, qhov qis -kub ua haujlwm tsis zoo. Nyob rau hauv qhov chaw txias heev, cov khoom yuav nyuaj dua thiab nkig, thiab nws yooj yim rau tawg thaum khoov, ua rau nws tsis haum rau siv nyob rau sab qaum teb txias sab nraum zoov lossis qis - qhov chaw ua haujlwm kub.
Qhov thib ob, qhov siab -kub kuj tsis zoo. Hauv qhov chaw siab - qhov kub thiab txias, nws yuav mos thiab muaj hnub nyoog sai, thiab tsuas yog tsim nyog rau cov xwm txheej tsis tshua muaj siab -.
Thib peb, muaj peev xwm hluav taws kub. Thaum muaj kev kub ntxhov hnyav, nws yuav tsim cov pa taws hnyav thiab cov pa roj corrosive, thiab raug txwv tsis pub siv hluav taws kub - cov xwm txheej uas muaj neeg coob coob nyob ze xws li subways, tunnels, data centers, thiab lwm yam.
Ⅴ.Kev faib ua feem ntawm PVC cables
Raws li cov qauv thiab kev siv scenarios, PVC cables feem ntau muab faib ua ob pawg, ua kom haum raws li cov kev xav tau sib txawv:
- PVC insulated ib leeg -cov tub ntxhais hlau: muab faib ua ib qho -strand hard hlau thiab ntau-strand soft wire, tsis tuab txheej sheath, me me, yoog raws hauv cov xaim, feem ntau yog siv rau sab hauv tsev hauv tsev kho kom zoo nkauj hauv tsev, teeb pom kev hauv tsev, qhov hluav taws xob, thiab lwm yam.
- PVC multi- tub ntxhais fais fab / tswj cables: tsim los ntawm ntau lub rwb thaiv tsev hlau cores twisted ua ke, nrog cov tuab PVC txheej txheej, tiv taus siab thiab hnav, thiab kev tiv thaiv zoo dua, npog ntau yam tshwj xeeb xws li 2-core, 3-core, 4-core, thiab lwm yam, haum rau lub tsev xa hluav taws xob, khoom siv tswj, kev sib txuas cov khoom siv, thiab lwm yam.
Ⅵ.Daim ntawv thov tseem ceeb ntawm PVC cables
Vim nws qhov kev ua tau zoo sib luag thiab tus nqi siab -kev ua tau zoo, PVC cables tau dav siv nyob rau hauv ntau yam qauv qis -voltage power supply scenarios. Qhov tseem ceeb ntawm daim ntawv thov Scope yog raws li nram no:
- Kev kho kom zoo nkauj hauv tsev: teeb pom kev hauv tsev, qhov (socket), tsis muaj zog tam sim no hauv cov tsev nyob thiab cov tsev, nws yog ib qho qauv cable rau kev kho kom zoo nkauj hauv tsev.
- Kev lag luam tej yaam num: sab hauv tsev fais fab kev faib tawm, qab nthab thiab txoj kev hauv tsev nyob rau hauv lub chaw ua hauj lwm vaj tse, khw malls, tsev so, haum rau loj loj coj mus muag tej yaam num.
- Cov khoom siv hauv tsev: cov khoom siv hluav taws xob rau ntau yam khoom siv hauv tsev, cov xov hlau txuas rau cov khoom siv teeb pom kev zoo, cov xov hlau txuas rau cov khoom siv hauv tsev me, thiab lwm yam, luv luv -kev sib txuas hluav taws xob nyob deb.
- Kev lag luam dav dav: qis-voltage tswj circuits hauv cov chaw ua haujlwm zoo tib yam, cov kav dej ua ke tso cov hluav taws xob faib hluav taws xob, kev sib txuas rau cov khoom siv tsis yog- ib puag ncig hnyav.
Kev txwv Scene: subway, tunnels, tshav dav hlau, cov chaw zov me nyuam, siab -nce qhov hluav taws kub- thaj chaw muaj kev kub ntxhov, cov qauv hluav taws xob nruj, cov kab PVC zoo tib yam yog txwv tsis pub siv, qis- pa taws, halogen- dawb, nplaim taws - cov kab hluav taws xob tshwj xeeb yuav tsum tau hloov.
Ⅶ.cov lus qhia rau PVC cable xaiv
- Rau kev kho kom zoo nkauj hauv tsev, yuav tsum muaj qhov tseem ceeb rau kev siv lub teb chaws tus qauv tooj liab -core PVC cables, uas muaj kev ruaj ntseg conductivity, tiv thaiv - oxidation zog, thiab tsis tshua muaj overheating, muab kev ruaj ntseg hluav taws xob ntau dua;
- Rau cov xwm txheej hauv tsev qhuav, cov kab PVC zoo tib yam tuaj yeem xaiv tau. Rau cov av noo, qab nthab, thiab zais phab ntsa nteg scenarios, nws raug nquahu kom xaiv cov style nrog lub thickened sheath los txhim kho kev tiv thaiv;
- Tsis txhob txias heev, siab - kub, thiab nyob rau hauv siab - cov xwm txheej txaus ntshai. Nyob rau hauv hluav taws kub- tej thaj chaw, tshwj xeeb cables yuav tsum nruj me ntsis xaiv raws li specifications;
- Tag nrho cov phiaj xwm xaim yuav tsum ua qhov tseem ceeb rau cov khoom lag luam raws li lub teb chaws. Tsis yog- cov kab hluav taws xob tsis zoo thiab tsis zoo yuav tsum raug zam kom ntseeg tau tias lub sijhawm ntev - kev nyab xeeb ntawm cov kab.
