Xaiv lub sijhawm tsim nyog Relay: ua daim ntawv qhia xaiv 2025

Lub tshuab ntxuav tsis ua haujlwm. Ib qho txheej txheem tseem ceeb tawg. Lub zog siv nyiaj. Tag nrho vim ib tug neeg khaws lub sijhawm tsis raug.

Cov teeb meem no tshwm sim ntau thaum tib neeg tsis xaiv cov khoom siv sijhawm sijhawm.

Cov lus teb yog ib feem uas muaj coob tus neeg tsis quav ntsej, tab sis nws yog qhov tseem ceeb rau kev siv tshuab thiab tswj: lub sijhawm relay.

Txhawm rau xaiv lub sijhawm tsim nyog rau Relay, koj yuav tsum nkag siab txog plaub yam tseem ceeb. Ua ntej, yuav ua li cas nws tswj lub sijhawm. Thib ob, nws qhov tseem ceeb tshwj xeeb. Thib peb, koj cov haujlwm tshwj xeeb li cas. Plaub, qhov uas nws yuav ua haujlwm.

Cov lus qhia no muab koj kom pom tseeb, kauj ruam - {1} {kauj ruam txheej txheem. Nws suav nrog daim ntawv qhia tshwj xeeb los pab koj xaiv lub sijhawm zoo tshaj plaws rau txhua lub sijhawm.

Nkag siab lub sijhawm rov qab

Daim duab ib lub sijhawm relay raws li ib tug ntse hloov nrog lub - hauv timer. Nws tswj cov hluav taws xob hluav taws xob los ntawm kev qhib lossis kaw kev sib txuas tom qab teeb tsa sijhawm dhau.

Xaiv txoj cai ib qho tsis yog tsuas yog ua haujlwm ua haujlwm zoo. Nws yog qhov tseem ceeb rau kev ua kom koj lub cev khiav kom zoo.

Thaum koj xaiv yam tsis zoo, phem yam tshwm sim:

Cov khoom siv raug puas tsuaj:Lub sijhawm tsis yog tuaj yeem ua rau lub cev xob laim lossis ua rau sib tsoo. Qhov no ua rau cov khoom hloov kho thiab qis dua.

Cov txheej txheem ua haujlwm tsis zoo:Tsis zoo lub sijhawm qeeb tuaj yeem mess ua kev ua haujlwm sib koom tes. Qhov no txo ​​cov zis thiab mob cov khoom lag luam zoo.

Kev xyuas ximTeeb meem:Hauv kev nyab xeeb - tseem ceeb txoj haujlwm, lub sijhawm tawg lossis tsis raug kev xa tawm tuaj yeem hla kev nyab xeeb. Qhov no tsim cov kev phom sij rau cov neeg ua haujlwm.

Cov nqi siab dua:Kev tsis muaj zog, rov ua haujlwm, thiab cov khoom siv thaum ntxov ua tsis tiav tag nrho koj cov kab hauv qab.

Electromechanical vs. stor - lub xeev

Lub sij hawm rov qab los hauv ob hom tseem ceeb: cov qub hluav taws xob sawv daws thiab cov khoom tshiab - lub xeev sawv daws.

Paub txog qhov sib txawv no pab koj nqaim koj cov kev xaiv tam sim ntawd.

Nkag siab cov ntsiab lus tseem ceeb

Lub sij hawm relay spec cov ntawv txheeb xyuas tuaj yeem saib tsis meej pem. Tab sis koj yuav tsum tsom rau plaub qhov kev qhia tseem ceeb uas qhia tau dab tsi cov relay tuaj yeem ua tau. Kev kawm cov no pab koj sib piv cov qauv sib txawv zoo.

Sijhawm Sijhawm Sijhawm

Qhov no qhia tau tias ntev npaum li cas koj tuaj yeem tso cov relay tos. Nws feem ntau pom tias yog qhov ntau li 0.1 vib nas this mus rau 100 teev.

Xaiv tus qauv uas nws tau yooj yim npog koj lub sijhawm ncua sijhawm. Piv txwv li, yog tias koj xav tau ncua 45-thib ob, xaiv ib qho relay nrog ib qho 1-60 thib ob hloov chaw nrog ib nrog 1-100 teev ntau.

Siv ib qho relay nrog rau ntau qhov ntau rau kev ncua luv luv ua kom muaj teeb meem ncaj qha. Nws kuj yuav mob siab rau raug. Ib txwm tso qee chav, tab sis tsis txhob hla nrog cov ntau.

Kev tswj voltage

Tus tswj elepage (lossis coil voltage) yog lub teeb liab hluav taws xob uas pib cov relay lub sijhawm. Qhov no txawv ntawm lub voltage cov relay hloov.

Tus relay tswj voltage yuav tsum phim koj txoj kev tswj hwm hluav taws xob tus voltage. Qhov no tuaj yeem yog 24V DC los ntawm PLC, 120V AC los ntawm kab kab, lossis lwm tus qauv. Tsis yog Voltage yuav yog tsis qhib lub relay lossis rhuav tshem nws.

Kev siv fais fab, ntsuas hauv VA (AC) lossis watts (DC), kuj muaj teeb meem. Thaum ib txwm muaj tsawg, hauv panels nrog ntau lub zog rov qab lossis lub zog- Cov haujlwm qis dua}}

Tso zis & kev ntaus nqi hu rau

Yog tias tswj voltage yog lub paj hlwb, tiv toj yog cov leeg. Cov ntawv no txhais tau ntau npaum li cas cov hluav taws xob ua hluav taws xob cov zis sib cuag tuaj yeem hloov chaw nyab xeeb.

Nws muaj ob ntu: kev tiv thaiv kev tiv tauj thiab kev ntaus nqi tiv toj.

Kev npaj zoo li SPDT (tib Ncej Ob Chav Pov Tseg) lossis DPDT (Ob Npaug Ncej Ob Chav Hluav Taws Xob) Qhia tias muaj pes tsawg tus neeg xa khoom tuaj yeem tswj tau.

Qhov ntsuas qhov ntsuas AMPS ntawm ib qho hluav taws xob tshwj xeeb, zoo li "10A @ 250VAC." Qhov no txhais tau cov kev tiv tauj tuaj yeem ua kom 10 amps ntawm qhov tam sim no nyob rau 250 volts ac rau cov khoom siv tawm ntawm cov khoom.

Tsis txhob xaiv ib qho kev ntaus nqi me me. Hloov cov khoom thauj uas tau tshaj qhov kev ntaus nqi yuav ua rau Arc, overheat, thiab thaum kawg weld kaw lossis swb.

Qhov Ua Tau & Rov Ua Dua

Ob nqe lus no txhais tau li cas qhia cov relay yog.

Qhov tseeb qhia pom tias kev ncua sijhawm ncua sijhawm ncua sijhawm yog mus rau tus nqi tsim. Nws feem ntau pom tias yog feem pua ​​ntawm lub sijhawm teem sijhawm.

Rov ua cov rov ua dua (lossis rov ua dua qhov tseeb) qhia yog tias cov neeg xa tawm tuaj yeem tsim lub sijhawm ncua sijhawm thiab dhau mus los ntawm ntau lub voj voog. Rau ntau cov txheej txheem muaj, kev rov ua kom muaj peev xwm ntau dua li qhov tseeb zoo tshaj plaws.

Solid-state relays often work better here, with typical accuracy of ±0.5% to ±2%. Electromechanical hom yuav yog ± 5% rau ± 10%, uas ua haujlwm zoo rau cov haujlwm xav tau tsawg.

Nkag siab lub sijhawm ua haujlwm

Ib lub sijhawm relay yog txhais los ntawm nws cov logic - Cov txheej txheem tshwj xeeb ntawm cov xwm txheej nws ua. Xaiv cov haujlwm tsis ncaj ncees yog ib qho kev ua txhaum thiab ntxhov siab. Nov yog cov haujlwm tseem ceeb tshaj plaws uas koj yuav tsum paub.

On -} qeeb ua haujlwm

Qhov no yog qhov muaj nuj nqi tshaj plaws. Nws tseem hu ua kev ncua sijhawm ua lossis ncua ntawm kev ua kom muaj zog.

Thaum koj thov kev tswj voltage, lub sijhawm sijhawm pib. Cov zis sib cuag nyob hauv lawv txoj haujlwm pib. Tom qab lub sijhawm preset dhau mus, cov zis xov tooj hloov lub xeev thiab nyob ntawd kom txog thaum koj tshem tawm cov kev tswj hluav taws xob.

Lub sijhawm teev sijhawm yuav ua rau tus tswj kev tswj hwm lub sijhawm, lub sijhawm ncua sijhawm (t) dhau, ces tso zis kev tiv tauj.

Piv txwv li: Pib ntau lub cev muaj zog loj ntawm cov sijhawm sib txawv los tiv thaiv kev pib loj loj tam sim no los ntawm tripping tus breaker loj. Thawj lub cev muaj lub cev pib tam sim ntawd, qhov thib ob pib tom qab ib 5 {}}}}}}} Tom qab 10-thib ob ntawm-ncua, thiab lwm yam.

Tawm -} qeeb ua haujlwm

Qhov tawm ntawm -} ncua kev ua haujlwm (tseem hu ua qeeb ntawm kev so lossis ncua ntawm de- energization) ua haujlwm rau txoj kev rov qab.

Thaum koj thov kev tswj voltage, cov zis tso tawm hauv lub xeev tam sim ntawd. Lub sijhawm sijhawm tsis pib kom txog thaum koj tshem tawm tus tswj voltage. Tom qab koj txiav tus tswj kev tswj, cov zis tawm nyob hauv lawv lub xeev energized rau lub sijhawm preset ua ntej rov qab mus rau lawv txoj haujlwm pib.

Nco tseg: Muaj tseeb tawm -} Nce rov qab feem ntau yuav tsum muaj cov hluav taws xob tsis tu ncua ntxiv rau (tswj) voltage.

Piv txwv li: Ua kom muaj kev ua pa hluav taws xob khiav hauv lub thawv hluav taws xob rau 90 vib nas this tom qab lub tshuab loj kaw cia. Qhov no cia ua rau tus kiv cua tshem tawm cov cua sov uas ua kom cua sov, ua rau cov khoom sib xyaw sab hauv ntev dua.

Cov haujlwm tshaj lij

Tshaj li ob lub hauv paus, ntau ntau rov qab muaj ntau lub zog, muab cov kev ntsuas nyuaj hauv ib chav. Qhov no muab kev hloov tau zoo rau cov neeg tsim qauv thiab cov neeg ua haujlwm txij nkawm.

Tshaj (ib zaug txhaj xwb):Thaum koj thov kev tswj voltage, cov zis tawm ntawm kev hloov pauv lub xeev tam sim ntawd thiab sijhawm pib. Tom qab lub sijhawm preset dhau mus, cov kev tiv tauj rov qab mus rau lawv lub xeev pib, txawm tias tswj voltage tseem nyob ntawd. Qhov no ua haujlwm zoo rau kev tsim ib lub sij hawm pulse, xws li khiav cov kua nplaum dispenser rau ob feeb.

Kev voj voog (flaser / recycle):Txoj haujlwm no muab cov voj voog txuas ntxiv rau thiab tawm mus. Thaum koj thov kev tswj voltage, lub relay pib kev caij tsheb kauj vab, tom qab ntawd tawm rau lub sijhawm teem sijhawm, tom qab ntawd tawm rau lub sijhawm teem sijhawm, thiab rov ua kom ntev npaum li voltage yog thov. Qhov no ua haujlwm zoo rau cov teeb ceeb toom, lubrication mus, lossis cov txheej txheem sib xyaw.

Lub hnub qub - delta:Qhov kev ua haujlwm tshwj xeeb no pib loj peb -} theem motors. Nws muab cov ntu tshwj xeeb: ua kom muaj zog lub hnub qub hu, tos rau lub sijhawm sib tham (muab sijhawm rau lub hnub qub (ncua) Qhov no txo ​​qis pib tam sim no thiab kev ntxhov siab rau lub cev muaj zog.

Ib qho kev xaiv FlowCart

Txhawm rau muab cov ntaub ntawv no rau cov kauj ruam tswv yim, peb tau tsim kev txiav txim siab - ua FlowChart. Ua raws li cov theem no txhawm rau txhawm rau xaiv lub sijhawm tsim nyog rau kev xa tawm rau ib txoj haujlwm twg.

Kauj ruam 1: Txhais daim ntawv thov lub hom phiaj

Pib los ntawm kev hais meej meej qhov koj yuav tsum tau ua. Piv txwv li, "Kuv yuav tsum khaws ib kiv cua txias ua haujlwm rau 2 feeb tom qab lub tshuab hloov tawm." Cov lus qhia yooj yim no muaj qhov tseem ceeb rau tag nrho cov txheej txheem.

Kauj ruam 2: Txheeb xyuas lub sijhawm ua haujlwm

Raws li koj lub hom phiaj, xam pom qhov xav tau. Hauv peb qhov piv txwv, "ua kom tus kiv cua khiav tom qab kaw" cov ntsiab lus meej rau ib qho tawm - ncua kev ua haujlwm. Nov yog qhov tseem ceeb tshaj plaws txiav txim siab.

Kauj ruam 3: Txheeb xyuas qhov xav tau qeeb

Koj xav tau lub sijhawm twg rau lub sijhawm? Peb tus yam ntxwv xav tau 2 feeb. Qhov no txhais tau tias koj yuav tsum saib rau kev ncua nrog cov sijhawm sijhawm uas suav nrog 2 feeb, zoo li tus qauv nrog 0.1s {{}} Min.

Kauj Ruam 4: Kos rau cov tswj kev tswj hwm

Lub teeb liab pib / nres sijhawm los? Puas yog nws yog 24VDC teeb liab teeb liab los ntawm PLC lossis 230vac teeb liab los ntawm lub zog loj hloov? Koj lub relay tswj voltage yuav tsum sib phim cov khoom no.

Kauj Ruam 5: Qhia kom meej lub nra kom hloov

Tus kiv cua lub zog yuav tsum muaj dab tsi? Tshawb xyuas lub cev muaj zog rau voltage thiab tag nrho cov chaw thau khoom amps (fla). Koj yuav tsum khaws ib qho relay nrog kev tiv tauj kev tiv tauj uas tshaj qhov tseem ceeb no, tshwj xeeb tshaj yog rau lub cev muaj zog hluav taws xob.

Kauj Ruam 6: Ntsuas Xyuas Qhov Raug Raug Zoo

Rau tus kiv cua txias, siab precision tsis tsim nyog. Cov qauv kev ua kom rov ua dua ntawm ± 5% yog ntau tshaj qhov txaus. Qhov no txhais tau tias tus nqi -} Zoo siv hluav taws xob hluav taws xob hluav taws xob yuav yog qhov kev xaiv zoo. Yog tias koj tau ua lub sijhawm ua lub sijhawm siab- ceev txoj kab kev nrawm, koj xav tau qhov tseeb ntawm cov khoom ntawm cov khoom siv.

Kauj ruam 7: Xav Txog CovHuab cua

Qhov twg koj yuav nruab lub relay? Sab hauv huv, kev nyab xeeb - tswj vaj huam sib luag lossis ntawm tshuab uas vibrates thiab tau ntxuav? Khij cov kev ntaus nqi ntawm Relay, kev ua haujlwm ntawm kev ua haujlwm, thiab poob siab / kev co ua kom paub tseeb tias nws muaj peev xwm muab nws tso.

Kawg taw: txhais tauRelayCov lus qhia

Los ntawm kev ua raws li cov kauj ruam no, koj tau txhais cov txheej txheem tshwj xeeb rau koj txoj kev ntsuas zoo tshaj plaws, kev tiv thaiv lub sijhawm zoo, thiab kev tiv thaiv zoo. Tam sim no koj tuaj yeem tuav tau tus qauv.

Cov ncauj lus kom ntxaws xaiv xaiv rau ntau lub sijhawm relay xav tau

Ib qho kev ntsuas tseem ceeb npaum li cas yog hloov pauv raws li kev lag luam thiab ntawv thov. Cia peb txuas cov txuj ci ua rau tiag- ntiaj teb cov xwm txheej.

Muaj Automation

Nyob rau hauv kev tswj panels rau kev muaj tshuab automation, lub ntsiab tseem ceeb yog kev ntseeg tau, yoog tau, thiab muaj chaw nyob.

Kev tsom xam ntawm no yog qhov ua kom muaj tseeb kom paub tseeb tias cov txheej txheem zoo kawg nkaus synchronized, kev voj voog tom qab lub voj voog. DIN Rail Rail mounting yog qauv rau kev teeb tsa yooj yim thiab kev saib xyuas hauv kev tswj cov tub rog.

Peb feem ntau pom zoo mult {- Ua haujlwm cov khoom - lub xeev rov qab nyob rau hauv cov chaw no. Lawv txoj kev hloov pauv tau tsuas yog ib tus lej npog ntxiv muaj ntau yam kev xav tau, cov khoom siv yooj yim. Lawv cov khoom - Lub xeev tus qauv siv lub neej ntev thiab siab rov ua qhov tseeb ntawm cov kab kom siab ntau lawm.

HVAC & tub yees

Rau hvac thiab cov txheej txheem tub yees, xaiv cov txheej txheem tsom rau cov haujlwm tshwj xeeb thiab tus nqi - ua hauj lwm zoo.

Ib qho kev xav tau uas peb pom yog anti - luv {1}- Kev tiv thaiv ntawm compressors. Ib lub sijhawm ua haujlwm lossis tawm - ncua relay txwv tsis pub dhau lub compressor los ntawm rov qab sai sai tom qab kaw, uas tuaj yeem ua rau muaj kev kub ntxhov thiab kev puas tsuaj.

Tawm -} ncua kev ua haujlwm kuj tseem ceeb rau kiv cua overrun hauv cua sov tshuab kom tshem tawm cov khoom cua sov. Relays siv nyob rau ntawm no yuav tsum daws cov kev hloov qhov kub thiab txias nyob hauv chav kho mob tab sis feem ntau tsis xav tau rau kev paub meej, ua cov khoom siv hluav taws xob nrov.

Teeb pom kev zoo thiab txhim kho tshuab

Nyob rau hauv kev ua lag luam teeb tsa thiab kev tsim kho cov tshuab ua lag luam, lub ntsiab lus yog tswj hwm loj thiab ua haujlwm nrog kev tswj hwm lub tsev (BMS).

On -}}} Nce rov qab feem ntau stagger lub highpes ntawm highpects ntawm high}}) lossis LED teeb. Qhov no tiv thaiv cov pib loj tam sim no uas yuav tshwm sim yog tias txhua lub teeb tig ib zaug, zam kev tripped breakers.

Cov sijhawm luv luv tuaj yeem tsim lub sijhawm -}} istride cov haujlwm hauv chav sib tham lossis chav sib tham. Ua haujlwm nrog cov BMS ntau tswj voltages (zoo li 24V AC / DC) yog qhov kev txiav txim siab tseem ceeb.

Zam kev ua yuam kev

Xyoo nyob rau hauv lub teb tau qhia peb tias ob peb qhov kev ua yuam kev ua rau feem ntau ua tsis tiav. Kev zam cov teeb meem no yuav txuag koj lub sijhawm tseem ceeb, nyiaj, thiab ntxhov siab.

Yuam Kev 1: Tsis tu ncua Inductive Loads

Qhov yuam kev:Xaiv ib qho relay raws nws txoj kev ntaus nqi tam sim no hloov lub thauj mus los hauv inductive thauj zoo li lub cev muaj zog, solenoid, lossis tus neeg hu.

Lub txim:Ib tug relay rated rau 10a ristive yuav swb tsis zoo thaum hloov lub cev muaj zog. Thaum lub thauj hluav taws xob hloov tawm, nws lub ntsej muag sib nqus sib nqus tsim cov hluav taws xob loj (inductive rov qab cov neeg xa khoom, ua rau lawv hnav tawm thiab thaum kawg wrd kaw.

Kev daws:Nco ntsoov xyuas cov ntaub ntawv datasheet rau tshwj xeeb lub chaw ntsuas hluav taws xob, feem ntau teev raws li "lub cev muaj zog" lossis teev nyob rau hauv horsepower (HP). Yog tias tsis muaj npe, ib txoj cai dav dav yog txhawm rau txo qhov peev xwm los ntawm 50-80% rau kev thauj khoom hauv inductive.

Yuam Kev 2: Xaiv txoj haujlwm tsis ncaj ncees lawm

Qhov yuam kev:Sib tov rau - ncua thiab tawm -} qeeb logic. Qhov no yog qhov kev txiav txim siab tshaj plaws.

Lub txim:Koj yuav thiab nruab ib qho ntawm - ncua relay rau ib tug post {}} shutdown txias application uas xav tau tawm- ncua. Lub kaw lus tsis ua haujlwm raws li tsim los ua haujlwm, ua rau qhov project qeeb, raug nqi re {} kev puas tsuaj, thiab cov cuab yeej puas tsuaj los ntawm overheating.

Kev daws:Ua ntej kev txiav txim, taug kev los ntawm koj cov txheej txheem theem - {1} {qib. Siv cov lus piav qhia yooj yim thiab cov piv txwv yooj yim hauv "Nkag siab lub sijhawm muaj nuj nqi" tshooj lus saum toj no kom paub meej tias koj cov ntawv thov kev xav tau. Thaum tsis paub meej, ntau - Ua haujlwm relay muab cov net kev nyab xeeb.

Yuam kev 3: Oppelooking Ib puag ncig

Qhov yuam kev:Txhim kho tus qauv, qhib - style lossis vaj huam sib luag - mount- mount- mount- Mount relay, plua plav moist moist,, plua plav.

Lub txim:Ib qho sab hauv - rated (piv txwv li, IP20) relay tsis ntxov thaum tau txais cov khoom noj ua zaub mov uas tau txais siab heev-}}} siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab} qhov siab {. Cov hmoov av tuaj yeem ua rau cov neeg kho tsis ua haujlwm, thaum kev co tau ua rau txoj kev sib txuas nrog thiab teeb tsa drift.

Kev daws:Txhua zaus yuav tsum tshawb xyuas cov relay ib puag ncig cov khoom. Saib tus IP (cov khoom noj Xaiv ib lub kaw lossis tiv thaiv relay rau qhov chaw hnyav.

Xaus: Ua txoj kev xaiv yog

Txhawm rau xaiv lub sijhawm uas tsim nyog yog xaiv kev ntseeg tau. Cov txheej txheem, thaum cov ncauj lus kom ntxaws, yog ncaj thaum tawg mus rau hauv cov kauj ruam.

Ua ntej, txhais lub sijhawm ua haujlwm koj xav tau. Thib ob, phim cov tub ntxhais kev tsis ntsuas - sijhawm muaj ntau, tswj voltage, thiab hu rau qhov ntsuas {}} rau koj cov Circuit Court thiab thauj khoom. Thib peb, xav txog cov kev xav tau tshwj xeeb ntawm koj daim ntawv thov, txawm tias nws muaj kev siv tshuab lossis HVAC. Thaum kawg, nco ntsoov tias cov relay tuaj yeem ua nws qhov kev ua haujlwm.

Los ntawm kev xaiv FlowCart thiab tsis txhob ua yuam kev ib yam li tsis quav ntsej txog kev txiav txim siab ua, koj tsiv tawm ntawm kev txheeb xyuas cov kev txiav txim siab ntse.

Lub ntsej muag zoo -} ub xaiv lub sijhawm relay tsis yog ib feem. Nws yog lub hauv paus ntawm ib qho kev ntseeg tau, txhim khu kev qha, thiab muaj kev nyab xeeb kaw lus. Ua txoj kev xaiv yog ua kom koj cov khoom siv ua tau raws nraim li npaj, hnub tom qab hnub.

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