Dab tsi yog Intrinsically Safe Cable?
- Kev Taw Qhia: Dab Tsi Yog Intrinsically Safe Cable?
Ibintrinsically safe (IS) cableyog ib txoj hlua uas tsim los ua haujlwm hauv cov huab cua txaus ntshai (tawg) yam tsis muaj kev pheej hmoo ntawm kev kub hnyiab.
Cov Lus Txhais Tseem Ceeb (IEC 60079-11):Ib lub voj voog muaj kev nyab xeeb yog ib qho"uas muaj hluav taws xob lossis cua sov tsis tuaj yeem ua rau muaj kev kub hnyiab ntawm cov khoom sib xyaw ua ke uas yooj yim hlawv lossis kub hnyiab hauv huab cua raws li cov xwm txheej sim uas tau teev tseg."
Hauv cov lus yooj yim:Ib txoj hlua IS, thaum txuas nrog rau ib qho kev txwv tsis pub muaj zog, nqa lub zog hluav taws xob me me uas txawm tias lub voj voog luv luv lossis cov xov hlau tawg tsis tuaj yeem tsim hluav taws xob kub txaus los hlawv cov pa roj, cov pa dej, lossis cov hmoov av uas yooj yim hlawv.
Qhov Txawv Txawv Tseem Ceeb:
| Txoj Kev Tiv Thaiv | Nws Ua Haujlwm Li Cas | Lub luag haujlwm ntawm Cable |
| Tiv Thaiv Kev Tawg (Ex-d) | Lub thawv hnyavmuajqhov tawg | Cable nkag mus rau hauv lub qog flameproof; cable nws tus kheej yuav yog tus qauv |
| Kev Nyab Xeeb Sab Hauv (Ex-i / IS) | Kev txwv zogtiv thaivqhov tawg | Cov xov hlau yuav tsum muaj cov kev tswj hwm hluav taws xob (qis Cc/Lc) |
（Daim duab qhia txog lub kaw lus muaj kev nyab xeeb sab hauv)
Ntawm Dingzun Cable,Peb cov cables muaj kev nyab xeeb yog tsim los rau IEC 60079-11 qhov yuav tsum tau ua, uas muaj kev tsim kho qis-capacitance / qis-inductance thiab yuav tsum muaj lub teeb xiav rau thaj chaw txaus ntshai.
- Lub Cable Muaj Kev Nyab Xeeb Intrinsically Ua Haujlwm Li Cas?
Ib txoj hlua uas muaj kev nyab xeeb tsis ua haujlwm ib leeg xwb. Nws yog ib feem ntawm daim ntawv pov thawjIS systemmuaj peb yam khoom:
Rooj 1: Peb Lub Cheebtsam ntawm Lub Txheej Txheem IS
| Cheebtsam | Qhov chaw | Kev Ua Haujlwm | Piv txwv |
| 1. YOG Barrier(Zener los yog Galvanic Isolator) | Thaj Chaw Muaj Kev Nyab Xeeb (Chav Tswj) | Txwv qhov voltage, tam sim no, thiab tag nrho lub zog rau cov qib nyab xeeb (feem ntau) | 28V, 93mA, 1.2W thaiv |
| 2. YOG Cable | Thaj Chaw Muaj Kev Phom Sij (Cheeb Tsam 0/1/2) | Xa cov zog tsawg thaumtsis khaws cia lub zog ntxivuas yuav raug tso tawm ua lub txim hluav taws | Xiav sheathed, low-capacitance cable |
| 3. IS Cov Cuab Yeej | Thaj Chaw Muaj Kev Phom Sij | Tsim los ua haujlwm hauv lub zog txwv | Lub tshuab xa xov siab, lub tshuab ntes roj, lub thermocouple |
Lub Ntsiab Cai Txwv Zog:
- Cov Kev Cai Tseem Ceeb rau Cov Cables Muaj Kev Nyab Xeeb Sab Hauv
Tsis yog txhua lub cable siv tau rau hauv IS system. IEC 60079-14 thiab NFPA 70 qhia meej txog cov kev cai yuav tsum tau ua.
Rooj 2: Cov Kev Cai Rau Cov Cable Muaj Kev Nyab Xeeb
| Qhov Yuav Tsum Tau Ua | Cov Lus Qhia Tshwj Xeeb | Tus Qauv Qhov Chaw | Vim Li Cas Nws Tseem Ceeb |
| Kev Txwv Zog | Cov cable yuav tsum tau cais tawm ntawm cov circuits uas tsis yog IS | IEC 60079-14 | Tiv thaiv kev hloov pauv zog txaus ntshai |
| Muaj Peev Xwm (Cc) | Lub peev xwm faib tawm qis (≤150 nF / km feem ntau) | IEC 60079-14 | Cov cables khaws lub zog; khaws cov nqi hluav taws xob tawm ua lub zog hluav taws xob thaum luv luv |
| Kev cuam tshuam (Lc) | Qhov inductance faib tawm qis (≤0.8 mH / km feem ntau) | IEC 60079-14 | Cov voj voog inductive tsim cov voltage spikes thaum qhib |
| Kev tiv thaiv | Yuav tsum tau tiv thaiv EMI coupling | NFPA 70 Tshooj 504.30 | EMI tuaj yeem ua rau muaj zog hluav taws xob rau ntawm cov xov hlau ntev |
| Kev Tiv Thaiv Tshuab | Lub hnab tawv tawv (PUR, LSZH, lossis zoo sib xws) | IEC 60092-502 | Dim tau qhov chaw ua lag luam nyuaj heev |
| Kev txheeb xyuas | Lub plhaub sab nraud xiav (RAL 5015) | IEC 60079-14 (tus qauv thoob ntiaj teb) | Kev txheeb xyuas pom tam sim ntawd; tiv thaiv kev sib txuas tsis raug rau lub zog tsis yog IS |
| Tus Neeg Coj | Tooj liab uas txuas nrog (Chav Kawm 5/6) | IEEE 1580 | Kev ywj pheej thiab kev co tsis kam |
Ntawm Dingzun Cable,peb cov IS cables ua tau raws li tag nrho cov kev cai no: qis Cc / Lc, tinned tooj liab braid shielding, stranded tinned tooj liab conductors, thiabyuav tsum muaj cov ntaub thaiv sab nraud xiav (RAL 5015)raws li IEC 60079-14.
- Tus lej xim xiav-xim av: Vim li cas IS Cables thiaj yog xiav
Thoob ntiaj teb, cov cables siv rau cov circuits muaj kev nyab xeeb yuav tsum tau txheeb xyuas los ntawm ib qholub plhaub sab nraud xiav-ntsuab(RAL 5015) raws li IEC 60079-14.
Vim li cas Xim Coding thiaj tseem ceeb:
| Qhov teeb meem | Qhov tshwm sim ntawm kev tsis quav ntsej txog Xim Code |
| Kev sib txuas tsis tau npaj tseg ntawm lub zog tsis yog IS | Ib tug kws kho tshuab tuaj yeem txuas lub voj voog fais fab 120V AC rau lub thaiv IS, kov yeej qhov thaiv kev nyab xeeb thiab tsim kev phom sij tawg. |
| Kev tsis meej pem txog kev txij nkawm | Yog tsis muaj kev txheeb xyuas pom tseeb, cov kws kho hluav taws xob yuav xav tias lub voj voog muaj kev nyab xeeb thaum nws tsis yog |
| Kev tsis ua raws li txoj cai | Cov neeg tshuaj xyuas yuav cim cov voj voog IS uas tsis yog xiav ua kev ua txhaum cai, thiab tej zaum yuav kaw cov haujlwm. |
Cov Kev Cai Ua Raws Cai:
| Khoom | Qhov Yuav Tsum Tau Ua |
| Lub plhaub sab nraud ntawm lub cable | Xim xiav (RAL 5015) |
| Kev cim kab hlau | Cov cim "Ex-ia" lossis "Ex-ib" uas ruaj khov |
| Cov Chaw Nres Tsheb | Cov xov hlau xiav lossis lub tes tsho |
| Cov kab ke | Cov yeeb nkab xiav lossis daim ntawv lo "Intrinsically Safe" |
Ceeb Toom:Yog tias koj lub hnab cable yog xim dub, grey, lossis lwm yam xim uas tsis yog xim xiav kaj, nws yogtsis ua raws li txoj cairau IS circuits ib IEC 60079-14—tsis hais nws qhov kev ua haujlwm hluav taws xob.
（Kev nyab xeeb ntawm txoj kab hluav taws xob sab hauv)
Ntawm Dingzun Cable,peb cov IS cables muaj ib qhoLub plhaub sab nraud xiav (RAL 5015) LSZHnrog rau lub cim Ex-ia/Ex-ib ruaj khov, ua kom ntseeg tau tias ua raws li thaj chaw muaj kev phom sij tam sim ntawd.
- Cov Kev Ntsuas Hluav Taws Xob: Capacitance (Cc) thiab Inductance (Lc)
Lub cable nws tus kheej khaws lub zog hluav taws xob ua ob hom. Cov zog khaws cia no tuaj yeem tso tawm ua lub txim hluav taws xob thaum muaj teeb meem (luv luv lossis qhib hluav taws xob). Lub cable IS uas tau ntawv pov thawj yuav tsum muajqis thiab sau tsegCov nqi Cc thiab Lc.
Rooj 3: Vim li cas Cc thiab Lc thiaj tseem ceeb rau kev nyab xeeb sab hauv
| Cov Qauv | Lub Cim | Nws Sawv Cev Li Cas | Qhov Kev Pheej Hmoo | Qhov Yuav Tsum Tau Ua |
| Muaj peev xwm | Cc (nF/km) | Lub cable ua haujlwm zoo li lub capacitor, khaws cov nqi hluav taws xob ntawm cov conductors thiab ntawm cov conductor thiab shield | Thaum luv luv, cov nqi hluav taws xob khaws cia tso tawm ua lub txim hluav taws xob.Muaj peev xwm ntau dua = hluav taws xob loj dua = muaj kev pheej hmoo hluav taws xob ntau dua | Qis(≤150 nF/km feem ntau) |
| Kev cuam tshuam | Lc (µH/m lossis mH/km) | Lub voj cable khaws lub zog sib nqus hauv lub zog sib nqus nyob ib puag ncig cov neeg hlau | Thaum qhib, lub zog sib nqus uas tawg ua rau muaj hluav taws xob nce siab uas tuaj yeem tsim hluav taws xob | Qis thiab tswj tau(≤0.8 mH/km feem ntau) |
| L/R Piv | L/R (µH/Ω) | Lub sijhawm tsis hloov pauv ntawm lub voj voog; txuas lub zog sib nqus khaws cia rau qhov tsis kam | Siv rau kev pov thawj cable mining (BS 6704) | Yuav tsum phim cov lus qhia txog kev thaiv |
Lub Tswv Yim ntawm Lub Koom Haum:
Yuav kom ib lub IS system tseem tau ntawv pov thawj, tag nrho peb yam khoom yuav tsum muaj cov kev teeb tsa hluav taws xob sib xws:
- Cov zis teeb meem:Voc (V), Isc (A),Qhov ntawd(qhov siab tshaj plaws uas tso cai rau capacitance),Lub(qhov siab tshaj plaws uas tso cai inductance)
- Kev muaj tiag ntawm cable: Cc(lub peev xwm cable / km),Lc(kev cuam tshuam ntawm cable / km)
- Cov cuab yeej teb:Ci (lub peev xwm sab hauv), Li (lub inductance sab hauv)
Cov Qauv Txheeb Xyuas:
- Kev Tshawb Xyuas Capacitance:(Cc × Ntev) + Ci ≤ Ca
- Kev Tshawb Xyuas Inductance:(Lc × Ntev) + Li ≤ La
Qhov Tseem Ceeb:Yog tias lub chaw tsim khoom cable tsis muabCov nqi Cc thiab Lc, cov xov hlau tsis tuaj yeem siv rau hauv lub kaw lus IS uas tau ntawv pov thawj. Qhov no yog vim li cas siv "txhua cov xov hlau uas muaj kev tiv thaiv" hauv thaj chaw txaus ntshai yog qhov txaus ntshai thiab tsis ua raws li txoj cai.
Ntawm Dingzun Cable,peb muabCov kev ntsuas Lc (µH/m) thiab Cc (nF/km) uas tau ntawv pov thawjnrog txhua qhov kev xa khoom ntawm IS cable—ua rau koj ua tau qhov kev xam zauv tseeb thiab ua kom muaj kev ua raws li thaj chaw txaus ntshai.
- Ex-ia vs. Ex-ib vs. Ex-ic: Cov Qib Kev Tiv Thaiv IS
IS circuits raug faib ua pawg los ntawm lawv qhov kev ua txhaum thiab thaj chaw txaus ntshai uas tso cai.
Rooj 4: Cov Qib Kev Tiv Thaiv IS (IEC 60079-11)
| Kev Ntsuas | Kev Ua Txhaum Cai | Thaj Chaw Siv Tau (IEC) | Daim Ntawv Thov Ib Txwm Muaj | Qhov Yuav Tsum Tau Ua Rau Cable |
| Txij no mus | Ob qhov txhaum cai ywj pheej | Cheeb Tsam 0(Kev pheej hmoo tawg tas mus li) | Cov khoom siv ntsuas methane, cov khoom siv ntsuas oxygen | Cov kev txwv Cc/Lc nruj tshaj plaws |
| Ex-ib | Ib qho kev txhaum xwb | Cheeb Tsam 1(Yuav muaj kev pheej hmoo tawg) | Cov khoom xa tawm siab, cov khoom ntsuas kub | Cov kev txwv Cc/Lc nruab nrab |
| Ex-ic | Tsis muaj qhov yuam kev (kev ua haujlwm ib txwm xwb) | Cheeb Tsam 2(Tsis zoo li yuav tshwm sim, lub sijhawm luv luv) | Cov voj voog tsis muaj hluav taws xob | Tus qauv IS cable tej zaum yuav siv tau |
Kev cuam tshuam rau kev xaiv Cable:
- Txij no musxav tau tus nqi Cc thiab Lc qis tshaj plaws kom ntseeg tau tias muaj kev nyab xeeb nyob rau hauv cov xwm txheej ua txhaum ob zaug
- Ex-ibmuaj cov kev cai tsawg dua tab sis tseem xav tau cov ntawv pov thawj IS cable
- Ex-icmuaj cov kev cai so kom txaus tshaj plaws tab sis IS-rated cable tseem pom zoo
Ntawm Dingzun Cable,peb tsim cov cables IS ratedTxij no musthiabEx-ib, nrog rau cov kev teeb tsa Cc/Lc sau tseg rau kev txheeb xyuas qhov chaw.
- Cov Kev Cai Tiv Thaiv rau Cov Cables Muaj Kev Nyab Xeeb Intrinsically
Ib qhoNFPA 70 Tshooj 504.30, kev tiv thaiv yog qhov yuav tsum muaj rau cov voj voog muaj kev nyab xeeb kom tiv thaiv EMI coupling.
Vim li cas Shielding thiaj li yuav tsum tau ua:
| Qhov Chaw EMI | Lub zog teb | Tej Yam Yuav Ua Rau Muaj Kev Phom Sij |
| Kev Tsav Tsheb Zaus Hloov Pauv (VFD) | 10-50 V/m | Muaj peev xwm ua kom muaj hluav taws xob rau ntawm cov xov hlau tsis muaj hlau thaiv, tsim kom muaj zog hluav taws xob |
| Xov tooj cua transmitter (walkie-talkie) | 5-30 V/m | Lub zog zaus siab txuas rau ntawm cable |
| Cov khoom siv vuam | 50-100+ V/m | Cov teeb meem EMI loj heev |
| Lub cev muaj zog loj pib | 20-60 V/m | Cov teb hluav taws xob hloov pauv |
Cov Kev Xaiv Tiv Thaiv rau IS Cables:
| Hom Tiv Thaiv | Kev Them Nqi | Daim Ntawv Thov Zoo Tshaj Plaws | Kev Tsim Nyog IS |
| Cov Ntawv Nyiaj Tiv Thaiv | 100% | Kev teeb tsa ruaj khov, EMI zaus siab | Siv tau rau kev khiav IS luv luv, tsis hloov pauv |
| Braid Shield | 70-95% | Cov ntawv thov dynamic/flexing, tsawg-zaus EMI | Pom zoo rau kev khawb av, robotics |
| Composite (Ntawv ci + Braid) | 100% + braid | Kev lag luam hnyav, EMI siab | Zoo tshaj plaws rau cov chaw ua roj, cov chaw tsim tshuaj lom neeg |
Txoj Cai Tseem Ceeb ntawm Kev Cog Qoob Loo:Lub shield yuav tsum tau grounded ntawmib qho xwb(feem ntau nyob rau hauv thaj chaw muaj kev nyab xeeb ntawm qhov thaiv) kom tiv thaiv cov voj voog hauv av uas tuaj yeem ua rau muaj zog txaus ntshai.
Ntawm Dingzun Cable,peb cov IS cables featureCov hlau tooj liab braid shielding (≥85% kev pab them nqi)raws li tus qauv, nrog rau kev xaiv sib xyaw (ntawv ci + braid) rau cov chaw muaj EMI siab.
- Cov Kev Cai Tsim Kho Cable Muaj Kev Nyab Xeeb Sab Hauv
Rooj 5: Cov Lus Qhia Txog Kev Tsim Kho Cable IS
| Cheebtsam | Qhov Yuav Tsum Tau Ua | Vim li cas |
| Tus Neeg Coj | Tooj liab uas txuas nrog(Chav Kawm 5/6, 7-19 txoj hlua) | Kev yooj yim rau kev teeb tsa; tiv taus kev co |
| Cov Khoom Siv Conductor | Tooj liab uas tau muab tso rau hauv lub thawv(pom zoo) | Kev tiv thaiv corrosion hauv cov huab cua nruj |
| Tus Neeg Coj Hluav Taws Xob | 18-24 AWG (ib txwm) | Kev sib npaug ntawm kev tiv taus thiab kev ywj pheej |
| Kev rwb thaiv tsev | PE (Polyethylene)los yogXLPE | Tsis tu ncua dielectric qis (ε)ᵣ=2.3) = lub peev xwm qis = nrug deb dua thiab muaj kev nyab xeeb |
| Kev Txheeb Xyuas Ob Tug | Xiav/Dub (tus qauv) lossis tus lej | Tiv thaiv kev ua yuam kev ntawm cov xov hlau |
| Kev tiv thaiv | Tag nrho cov hlau tooj liab braid(≥85% kev pab them nqi) | Thaiv EMI induction |
| Hlau ntws | suav nrog(tooj liab tinned) | Ua kom yooj yim rau ib qho chaw grounding |
| Lub tsho sab hauv | LSZH los yog PVC | Ntxiv kev tiv thaiv tshuab |
| Sab Nraud Sheath | Xim xiav (RAL 5015), LSZH los yog PUR | Yuav tsum muaj kev txheeb xyuas pom raws li IEC 60079-14 |
| Kub thiab txias | -40°C txog +90°C (tus qauv); -65°C txog +200°C (FEP zoo tshaj) | Nyob tau rau hauv cov xwm txheej hnyav heev ntawm cov nroj tsuag |
| Kev Ntsuas Hluav Taws | IEC 60332-1-2 (yam tsawg kawg nkaus); IEC 60332-3-24 (nqi kim) | Kev nyab xeeb hluav taws |
Ntawm Dingzun Cable,peb cov IS cables yog tsim nrogPE los yog XLPE rwb thaiv tsev(Cc qis),tinned tooj liab braid shielding(≥85% kev pab them nqi), thiab ibLub plhaub sab nraud xiav (RAL 5015) LSZH—Ua raws li IEC 60079-11 thiab IEC 60079-14 tag nrho.
- Cov Kev Siv Cable Muaj Kev Nyab Xeeb Los Ntawm Kev Lag Luam
IS cables yog qhov yuav tsum muaj rau txhua lub voj voog qis zog nkag mus rau hauv thaj chaw muaj kev phom sij.
Rooj 6: IS Cable Daim Ntawv Thov los ntawm Kev Lag Luam
| Kev Lag Luam | Thaj Chaw Muaj Kev Phom Sij | Cov Ntawv Thov IS Ib Txwm Muaj | Kev Ntsuas IS Yuav Tsum Tau |
| Roj thiab Roj Av | Thaj Chaw 1/2 (cov qhov dej, cov platforms, cov chaw ua roj) | Cov khoom xa tawm siab, cov ntsuas dej ntws, cov khoom kuaj roj, RTDs, cov hloov pauv qib | Ex-iblos yogTxij no mus |
| Kev Ua Tshuaj Lom Zem | Cheeb Tsam 1 (cov reactors, cov tank cia khoom) | Cov ntsuas pH, cov ntsuas kub, cov solenoid valves | Ex-ib |
| Tshuaj | Thaj Chaw 1 (kev siv cov kuab tshuaj, kev khaws cia ethanol) | Cov cuab yeej tswj kev ua haujlwm ntau ntau, cov sensors hauv chav huv si | Ex-ib |
| Kev khawb av (Thee) | Thaj Chaw 0/1 (hauv av) | Cov cuab yeej ntes methane, cov teeb ci ntsa iab, cov cuab yeej ntsuas qhov ze, cov tshuab sib txuas lus | Txij no mus(Cheeb Tsam 0) |
| Cov dej khib nyiab | Cheeb Tsam 1 (cov tsev zom zaub mov) | Cov khoom ntsuas methane, cov khoom ntsuas oxygen, cov khoom ntsuas qib | Ex-ib |
| Cov Rooj Pleev Xim / Tshuaj Txau | Cheeb Tsam 1 | Cov cuab yeej ntsuas huab cua zoo, cov cuab yeej ntsuas kub, cov cuab yeej tswj pa tawm | Ex-ib |
| Kev Tswj Cov Nplej | Thaj Chaw 20/21 (muaj kev phom sij txog plua plav) | Cov ntsuas qib hauv lub thoob khib nyiab, kev saib xyuas kub, kev tswj hwm conveyor | Ex-ib |
- Cov Kev Cai Rau Kev Teeb Tsa Rau IS Cables (IEC 60079-14)
Txawm tias qhov zoo tshaj plaws IS cable yuav ua tsis tiav yog tias ntsia tsis raug.
Rooj 7: Cov Kev Cai Rau Kev Teeb Tsa IS Cable
| Txoj Cai | Qhov Yuav Tsum Tau Ua | Vim li cas |
| Kev sib cais | Cov IS circuits yuav tsum tausib cais los ntawm lub cevlos ntawm cov voj voog uas tsis yog IS | Tiv thaiv kev puas tsuaj ntawm lub zog |
| Kev Sib Cais Deb | ≥50 hli (2 nti)los ntawm cov cables uas tsis yog IS (lossis ntawm cov hlau sib cais hauv av) | Tiv thaiv kev sib txuas ntawm inductive / capacitive ntawm lub zog txaus ntshai |
| Kev Txheeb Xyuas Lub davhlau ya nyob twg | Sivcov davhlau ya nyob twg xiavlos yog sleeving | Kev kuaj xyuas kev nyab xeeb ntawm cov neeg ua haujlwm saib xyuas |
| Cov Txheej Txheem Conduit | Yog tias sib koom cov kav dej nrog cov neeg tsis yog IS, cov kav dej yuav tsumxiav kajlos yog sau npe | Tiv thaiv kev sib tov tsis raug thaum rub tawm |
| Tsis muaj kev sib txuas | Tsis txhob muab cov xov hlau sib txuas ua ke; siv cov xov hlau txuas ntxiv mus | Cov splices tsim cov tsis paub hluav taws xob (tsis paub Ci/Li) |
| Kev sib txuas hauv av | Lub ntaub thaiv npog av ntawmib qho xwb(cheeb tsam muaj kev nyab xeeb) | Tiv thaiv cov voj voog hauv av uas yuav ua rau muaj zog txaus ntshai |
| Cov ntaub ntawv pov thawj | Tswj cov ntaub ntawv ntawm IS system (cov kev teeb tsa thaiv, cable Cc/Lc, instrument Ci/Li) | Yuav tsum muaj rau kev ua raws li txoj cai |
- Cov Lus Dab Neeg Feem Ntau Hais Txog Cov Cables Muaj Kev Nyab Xeeb
| Dab neeg | Kev muaj tiag |
| Txhua lub xov hlau uas tiv thaiv tau yog IS-rated. | Cuav. IS cables xav tau cov kev tswj hwm Cc/Lc, cov ntaub thaiv xiav, thiab cov kev tswj hwm ntawm cov khoom. Cov cables tiv thaiv tus qauv tsis muaj cov nqi Cc/Lc uas tau ntawv pov thawj. |
| Tus laj kab ua txhua yam haujlwm kev nyab xeeb—txoj hlua tsis muaj teeb meem. | Tsis yog. Lub xov hlau khaws lub zog (capacitance/inductance). Lub xov hlau uas muaj capacitance siab tuaj yeem kov yeej qhov kev ntsuas kev nyab xeeb ntawm qhov thaiv los ntawm kev tshaj Ca. |
| "Xiav cable tsuas yog kev nyiam ua lag luam xwb." | Cuav. Xiav (RAL 5015) yograws li IEC 60079-14 tau hais tsegrau kev txheeb xyuas lub voj voog IS. Cov xov hlau tsis yog xiav tsis ua raws li txoj cai. |
| Kuv tuaj yeem txuas IS cable nrog cov connectors txheem. | Cuav. Cov kev sib txuas ua rau muaj cov yam ntxwv hluav taws xob tsis paub (Ci, Li) uas ua rau kev suav cov khoom tsis raug. Siv cov thawv sib txuas IS uas tau ntawv pov thawj. |
| "IS cable yog overkill rau Zone 2." | Cov kev cai ntawm IS txawv ntawm ib cheeb tsam, tab sis tseem pom zoo kom siv IS-rated cable kom sib xws thiab ua raws li txoj cai. Ex-ic muaj rau Zone 2. |
| "Txhua lub xov xiav zoo ib yam." | Cuav. Xiav yog ibxim code kev nyab xeeb, tsis yog qhov qhia txog kev ua tau zoo. Xyuas kom tseeb tias daim ntawv pov thawj IS, tus nqi Cc/Lc, thiab kev taug qab ntawm cov chaw tsim khoom. |
(Kev teeb tsa cable Dingzun Cable kom muaj kev nyab xeeb)
Txog Dingzun Cable: Koj Tus Khub Tsim Kho Cable Uas Muaj Kev Nyab Xeeb
Nrog20+ xyoo ntawm kev tsim khoom tshwj xeeb,Dingzun Cableyog ib tus khub koom tes uas ntseeg siab rau lub zog thoob ntiaj teb, tshuaj lom neeg, kev khawb av thiab cov haujlwm tshuaj uas xav tau daim ntawv pov thawj,Cov xov hlau uas muaj kev nyab xeeb sab hauv (IS)rau cov cuab yeej siv rau thaj chaw muaj kev phom sij. Peb muab kev paub tob txog thaj chaw muaj kev phom sij ua ke nrogkev hloov kho tau yooj yim heevkom xa cov cables uas ua tau raws li koj cov lus qhia IS thiab cov kev teeb tsa ntawm cov khoom.
Peb Lub Peev Xwm Cable Muaj Kev Nyab Xeeb:
| Muaj peev xwm | Cov Lus Qhia Tshwj Xeeb ntawm Dingzun |
| Kev Ua Raws Cai | IEC 60079-11, IEC 60079-14, NFPA 70, IEEE 1580 |
| Cov Qib Kev Tiv Thaiv | Txij no mus(Cheeb Tsam 0),Ex-ib(Cheeb Tsam 1) |
| Xim ntawm lub hnab tshos | Xim xiav (RAL 5015)— yuav tsum ua raws li IEC 60079-14 |
| Cov Khoom Siv Sheath | LSZH (kev nyab xeeb hluav taws, pa luam yeeb tsawg), PUR (roj/kev puas tsuaj tsis kam), PVC (dav dav) |
| Kev rwb thaiv tsev | PE los yog XLPE— qhov tsis hloov pauv dielectric qis = capacitance qis (≤150 nF/km) |
| Kev tiv thaiv | Tag nrho cov hlau tooj liab braid(≥85% kev pab them nqi) + cov hlau ntws |
| Tus Neeg Coj | Tooj liab uas muaj hlua khi (Chav Kawm 5/6, 18-24 AWG) |
| Cov Kev Ntsuas Hluav Taws Xob | Daim Ntawv Pov Thawj Lc (µH/m) thiab Cc (nF/km)muab rau kev suav cov koom haum |
| Kub thiab txias | -40°C txog +90°C (tus qauv); -65°C txog +200°C (FEP zoo tshaj) |
| Kev Ntsuas Hluav Taws | IEC 60332-1-2 (tus qauv); IEC 60332-3-24 (LSZH xaiv) |
| Cov Ntawv Pov Thawj | ISO 9001: 2015, CE, RoHS, REACH (UL muaj thaum thov) |
| Kev kuaj xyuas | 100% kev kuaj hluav taws xobntawm txhua lub reel (kev tiv thaiv conductor, kev tiv thaiv rwb thaiv tsev, hluav taws xob siab) |
(IS cable entity parameter kev sim hauv Dingzun Cable)
Vim li cas Dingzun Cable rau Koj Qhov Chaw Teeb Tsa Phom Sij:
- Kev hloov kho tau yooj yim heev— Tus lej ntawm tus neeg txuas (1 txog 100+), ntsuas qhov ntsuas, txoj hlua khi, qhov ceev ntawm kev tiv thaiv, cov ntaub thaiv plhaub—txhua yam no yog tsim los rau koj daim ntawv thov IS
- Tsim los rau kev nyab xeeb— Kev tsim kho Cc/Lc qis nrog cov ntaub ntawv teev tseg rau kev sib raug zoo ntawm cov teeb meem
- Pab neeg ua haujlwm tsim khoom tshaj lij— Kev txhawb nqa rau kev suav cov txheej txheem ntawm cov khoom (Ca/La sib phim) kom ntseeg tau tias IS system daim ntawv pov thawj
- Kev sib txuas lus ncaj qha rau cov kws tshaj lij— Cov lus hais sai, cov ntaub ntawv qhia txog kev siv tshuab tag nrho nrog cov nqi Cc/Lc uas tau ntawv pov thawj, thiab kev xa khoom thoob ntiaj teb
- Cov ntaub ntawv tiav— Cov ntawv qhia txog kev xeem, daim ntawv pov thawj ua raws li txoj cai, cov lus tshaj tawm RoHS/REACH, thiab kev taug qab txhua qhov kev xa khoom