Lub tshuab hluav taws xob hluav taws xob yog cov khoom siv hluav taws xob tiv thaiv hluav taws uas cia li hnov qhov muaj pa taws, ua qhov tseem ceeb ntawm hluav taws, thiab suab ceeb toom rau cov neeg nyob hauv tsev.
Kev lag luam thiab cov khoom siv hluav taws xob tua hluav taws tso tawm lub teeb liab rau lub tswb hluav taws kub tswj vaj huam sib luag ua ib feem ntawm lub tsev lub tswb hluav taws kub hauv nruab nrab. Raws li txoj cai, txhua qhov chaw ua haujlwm yuav tsum muaj qhov ntsuas pa taws.
Cov khoom siv hluav taws xob hauv tsev, lossis lub tswb hluav taws xob, muab lub suab nrov thiab / lossis lub tswb pom pom hauv zos los ntawm lub tshuab ntes nws tus kheej. Lawv tuaj yeem yog cov roj teeb uas siv hluav taws xob ib leeg lossis ntau qhov sib txuas sib txuas nrog cov khoom siv hluav taws xob (mains-powered) cov khoom siv rov qab los ntawm cov roj teeb. Cov tom kawg yuav tsum tau muab tso rau hauv txhua lub tsev tshiab thiab tom qab kev kho kom zoo nkauj loj.
Hom pa luam yeeb ntes
Muaj ob hom kev ntsuas hluav taws xob tsis zoo: photoelectric (optical) thiab ionisation (lub cev txheej txheem). Kev sib xyaw ua ke ntawm ob hom tswb (dual sensor pa taws tswb) yog pom zoo rau kev tiv thaiv siab tshaj plaws ntawm ob qho tib si ceev ceev thiab qeeb hluav taws kub.
Cov pa taws ua ke kho qhov muag thiab lub tswb nrov thiab cov pa taws ua ke thiab cov pa roj carbon monoxide tswb kuj muaj.
Lub photoelectric detector hnov dab tsi tshwm sim ntawm lub teeb thaum cov pa taws nkag mus rau hauv lub ntsuas ntsuas chamber, ua rau lub tswb.
Photoelectric pa luam yeeb detectors teb qhov nruab nrab ntawm 15 mus rau 50 feeb sai rau hluav taws nyob rau hauv nws thaum ntxov, smoldering theem, ua ntej nws tawg rau hauv nplaim taws, tshaj ionisation tswb. Lawv tuaj yeem ntsia tau ze ntawm chav ua noj. Qee cov qauv kho qhov muag dual muaj.
Ionisation pa taws ceeb toom muaj kev nkag siab zoo rau cov pa taws me me thiab feem ntau teb txog 30 mus rau 90 vib nas this sai rau cov hluav taws kub ceev dua li lub tswb hluav taws xob hluav taws xob, tab sis tsis yog hluav taws kub. Tej zaum lawv yuav raug teeb tsa yooj yim heev yog tias lawv tau teeb tsa ze ze rau chav ua noj, lossis chaw nres tsheb.
Ionisation tswb muaj ib qho me me ntawm cov khoom siv hluav taws xob nruab nrab ntawm ob daim hlau hluav taws xob, uas ionises huab cua thiab ua rau tam sim no ntws ntawm cov phiaj. Thaum cov pa luam yeeb nkag mus rau hauv chamber, nws cuam tshuam qhov ntws ntawm ions, yog li txo qhov ntws ntawm tam sim no thiab ua kom lub tswb nrov.
Yam tsim nyog ntawm cov pa luam yeeb yuav tsum tau muab ntsia kom tsis txhob muaj neeg xiam oob qhab vim tias cov plua plav lossis condensation ua rau lawv tsis raug. Ib lub tshuab kuaj pom zoo dua, xws li UV lossis infrared system uas tsis tshwm sim los ntawm cov khoom, yuav tsum tau teeb tsa yog tias qhov ntawd yog qhov teeb meem.
Aspirating smoke detectors
Kuj tseem muaj cov khoom siv hluav taws xob tiv thaiv pa taws (ASD) hauv kev ua lag luam - ntau dua, siab-rhiab heev, thev naus laus zis uas muab kev ceeb toom ntxov ntxov thiab siv los ua ib feem ntawm kev tiv thaiv hluav taws.
ASD cov tshuab ua haujlwm los ntawm kev kos duab hauv huab cua los ntawm txhua chav los ntawm cov raj me me, hloov tau yooj yim. Cov huab cua yog tom qab ntawd txheeb xyuas kom pom tias muaj cov pa taws me me hauv cov txheej txheem txuas ntxiv. Lawv tsis cia siab rau chav cua ntws, yog li tuaj yeem ntes cov pa luam yeeb ua ntej nws tseem pom.
Aspiration systems tau siv dav thiab nyiam nyob rau hauv cov xwm txheej nyuaj xws li thaj chaw muaj huab cua siab, qhov twg muaj qhov sib xyaw ua ke, lossis qhov yuav tsum tau tshawb pom ntxov heev hauv qhov chaw xws li kev sib txuas lus thiab chav computer.
VESDA (cov cuab yeej tshawb nrhiav pom cov pa luam yeeb heev) cov tshuab, lub npe ntawm Honeywell, yog laser-based advanced ASDs uas muab cov lus ceeb toom ua ntej hluav taws. Lawv tau txais txiaj ntsig zoo hauv thaj chaw uas yuav tsum muaj cov pa luam yeeb siab thiab nkag tau yooj yim, xws li cov chav computer, chav txias thiab cov tsev siab qab nthab zoo li cov tsev khaws khoom thiab cov tsev teev ntuj, vim tias cov cuab yeej ntes tau nyob ntawm qib nkag tau rau kev saib xyuas.
Auto-aligning optical beam pa taws detectors
Hom tshiab tshaj plaws ntawm cov pa luam yeeb ntse ntse yog lub laser-pab infrared optical beam pa taws detector uas nws tus kheej sib dhos hauv tsawg dua ib feeb. Lawv tau siv los tiv thaiv cov chaw lag luam loj thiab pej xeem xws li kev ua yeeb yaj kiab, khw muag khoom thiab chaw ua kis las nrog lub teeb pom kev loj, lub qab nthab siab lossis teeb meem condensation.
Qee cov qauv tuaj yeem nruab nrog txog li plaub lub taub hau ntes ib lub cev.
Incidentally, qee qhov ntsuas pa luam yeeb tsis yog cov pa luam yeeb txhua, tab sis cov khoom siv kev ruaj ntseg suav nrog cov koob yees duab zais.
Thaum tshav kub kub tswb
Thaum tshav kub kub tswb ntsuas qhov kub thiab txias tshwm sim los ntawm hluav taws, txawm hais tias lawv tsis hnov tsw rau haus luam yeeb. Lawv tsim nyog siv rau hauv chav ua noj, chav nres tsheb, lossis chav plua plav, tab sis yuav tsum tsis txhob yog tib txoj kev tshawb nrhiav hluav taws.
Cov pa luam yeeb detector installation thiab tu
Mains-powered tswb yuav tsum tau ntsia los ntawm ib tug tsim nyog electrician los yog installation kws.
Cov tswb hluav taws xob hauv tsev tau yooj yim dua rau kev teeb tsa vim tias tsis muaj kev xaim hluav taws xob, tab sis lawv yuav tsum tau nruab thiab tswj xyuas kom raug thiab xyuas tsis tu ncua.
Cov pa luam yeeb muaj lub neej nruab nrab ntawm yim mus rau 10 xyoo. Cov neeg kuaj xyuas yuav tsum tau kuaj xyuas ib ntus, qhov zoo tshaj ib zaug ib lub lim tiam, thiab cov roj teeb hloov thaum xav tau, tsawg kawg ib xyoos ib zaug. Lub tshuab hluav taws xob hluav taws xob uas siv hluav taws xob tuaj yeem siv tau 10 xyoo.
