Dab tsi yog Intrinsic Safety Barriers?
Ntawm PLC Chain, peb ua haujlwm ntawm kev muab cov khoom muaj txiaj ntsig zoo hauv kev nyab xeeb los tiv thaiv tib neeg thiab cov khoom siv ua haujlwm hauv cov xwm txheej txaus ntshai. Cov khoom siv zoo li no tau siv los tswj cov khoom siv tam sim no, qhov hluav taws xob, thiab lub zog tag nrho raws li kev ua kom cov teeb liab hluav taws xob muaj kev nyab xeeb los txuas rau cov cuab yeej hauv thaj chaw uas muaj kev tawg. Cov kev daws teeb meem xws li Pepperl Fuchs kev nyab xeeb teeb meem tuaj yeem siv los xyuas kom meej tias kev nyab xeeb ua tiav ntawm qib siab yam tsis muaj kev cuam tshuam txog kev ntseeg siab.
Yuav ua li cas Intrinsic Safety Barriers tiv thaiv tawg
Lub hom phiaj tseem ceeb ntawm kev siv hluav taws xob tiv thaiv kev tiv thaiv kev nyab xeeb yog kom muaj lub zog txaus ntshai nyob deb ntawm thaj chaw muaj kev pheej hmoo. Nws muaj txiaj ntsig zoo rau qhov nws txwv tsis pub muaj hluav taws xob ntau uas tuaj yeem nkag mus rau hauv cov twj paj nruag, xws li transmitters, sensors, thiab tswb. Thaum muaj lub zog ntau dhau, qhov cuam tshuam redirects nws. Qhov no tiv thaiv sparks / lossis overheating, thiab luv luv Circuit Court uas yuav ua rau tawg.
Hom Intrinsic Safety Barriers
Peb muab cov txheej txheem sib txawv kom tau raws li cov kev xav tau tshwj xeeb, suav nrog:
● Zener barriers – yooj yim, siv tau, thiab txhim khu kev qha rau cov kev siv yooj yim.
● Galvanic isolators - hom cais muab cov hluav taws xob cais tawm kev nyab xeeb yam tsis tas yuav tsum muaj hauv av.
● Pepperl Fuchs kev nyab xeeb barrier - ib qho kev thaiv kev ruaj ntseg uas ua tau raws li cov qauv nruj thoob ntiaj teb.
Cov yam ntxwv tseem ceeb uas yuav tsum tau xav txog thaum xaiv ib qho Kev Nyab Xeeb Intrinsic Safety Barrier
Tej yam uas yuav tsum tau xav txog thaum xaiv ib qho kev nyab xeeb barrier:
● Vim thiab qhov ntsuas tam sim no
● Tus lej ntawm cov channel xav tau
● Kev sib raug zoo nrog cov khoom siv xws li transmitters, solenoids, thiab flowmeter
● Cov ntawv pov thawj thiab kev pom zoo rau koj qhov kev lag luam
● Cov yam ntxwv ntxiv xws li cov ntsuas LED thiab cov fuses hloov tau
Specifications thiab Standards for Safety Barriers
Txhua qhov project yuav tsum ua raws li kev pom zoo ntawm kev lag luam nruj. Peb cov kev tiv thaiv kev nyab xeeb hauv nruab nrab tuaj yeem dhau ntau daim ntawv pov thawj zoo li ATEX, UL, CSA, thiab FM. Peb koom tes nrog cov tuam txhab uas ntseeg siab tshaj plaws, xws li Pepperl Fuchs, yog li lav tias cov khoom muab rau koj ua tau raws li cov qauv kev nyab xeeb thiab kev ntseeg siab tshaj plaws.
Kev sib piv ntawm Zener Barriers vs Galvanic Isolators
● Zener barriers yog yooj yim, pheej yig, thiab txhim khu kev qha, tab sis yuav tsum tau grounding thiab ua rau ib co voltage poob.
● Galvanic isolators muab kev sib cais tag nrho ntawm cov circuits, tsis tas yuav tsum muaj av, thiab yog qhov zoo tagnrho rau kev teeb tsa nyuaj.
Ob qho kev daws teeb meem yog qhov tseem ceeb, thiab qhov kev xaiv yog nyob ntawm qhov yuav tsum tau ua hauv lub system.
Ntawm HONGKONG XIEYUAN TECH CO. LTD, peb muab kev ntseeg siab rau kev nyab xeeb, suav nrog Pepperl Fuchs kev nyab xeeb cov khoom lag luam. Peb lub hom phiaj yog nyob rau hauv cov ntawv pov thawj, txhim khu kev qha, thiab cov neeg siv kev daws teeb meem uas tiv thaiv tib neeg, khoom siv, thiab cov txheej txheem.