Koj yuav tsum xaiv txoj cai relay. Sib phim nws hom thiab specs rau koj lub load, tswj cov teeb liab, thiab qhov twg koj siv nws. Yog tias koj lub tshuab nres vim lub relay tsis ua haujlwm, tej zaum koj yuav muaj nqi qis thiab xav tau kev kho sai. Xaiv qhov relay raug cuam tshuam rau kev nyab xeeb thiab ua haujlwm zoo li cas. Yog tias koj xaiv qhov relay tsis raug, koj tuaj yeem ntsib overheating, hloov tsis zoo, lossis ua rau koj cov khoom puas.
Kev sib piv qhov voltage thiab qhov ntsuas tam sim no rau koj lub cev tiv thaiv kev ua tsis tiav.
Kev xaiv cov khoom sib txuas zoo thiab coil kuj ua rau muaj kev ua tau zoo.
Ua kom koj lub relay zoo tuaj yeem txo qis sijhawm thiab txuag nyiaj.
Koj yuav tau txais cov lus qhia muaj txiaj ntsig los xaiv txoj cai relay rau koj cov kev xav tau.
Ntsiab Cai
Xyuas kom cov relay voltage thiab tam sim no haum koj lub cev. Qhov no pab kom tsis txhob muaj teeb meem thiab ua kom cov khoom muaj kev nyab xeeb.
Xaiv hom relay uas yog rau koj txoj haujlwm. Siv electromechanical rau cov khoom loj. Siv cov khoom- xeev rau kev hloov pauv ntau.
Saib tej yam xws li kub, av noo, thiab kev co. Qhov no pab cov relay ua hauj lwm zoo nyob qhov twg koj muab nws.
Ntsuam xyuas cov teeb liab thiab ntau npaum li cas koj hloov. Qhov no ua kom txhua yam ua haujlwm ua ke thiab nres kev puas tsuaj thaum ntxov.
Siv daim ntawv txheeb xyuas relay los pab koj kom tsis txhob ua yuam kev. Qhov no ua rau koj lub cev ua haujlwm zoo thiab nyab xeeb.
Dab tsi yog relay thiab vim li cas kev xaiv relay tseem ceeb
Relay hauv paus
Ib tug relay pab koj tswj hluav taws xob circuits. Nws ua haujlwm zoo li hloov pauv. Koj tuaj yeem qhib lossis kaw cov khoom siv nyob deb. Koj siv lub teeb liab me me los tswj cov voltages loj lossis tam sim no. Qhov no ua rau koj muaj kev nyab xeeb thiab tiv thaiv koj cov khoom siv. Relays pab koj ua raws li txoj cai kev nyab xeeb. Lawv khaws cov tswj Circuit Court thiab lub zog hluav taws xob sib nrug.
Feem ntau cov relays muaj plaub lub ntsiab terminals. Cov no yog coil, ntau, ib txwm qhib (NO), thiab ib txwm kaw (NC). Lub kauj txuas mus rau qhov chaw qis - fais fab tuag. Thaum koj xa ib lub teeb liab mus rau lub kauj, nws ua rau magnetic teb. Daim teb no txav tus hloov mus rau hauv lub relay. Koj tuaj yeem siv cov relay sib txawv rau ntau txoj haujlwm. Piv txwv li, koj tuaj yeem pib tshuab hauv cov chaw tsim khoom, tswj lub tsheb teeb, lossis tswj fais fab hauv substations.
Nov yog qee txoj haujlwm tseem ceeb ntawm lub relay:
Koj tswj cov voltages loj lossis tam sim no nrog cov cim me me.
Koj khaws circuits sib nrug rau kev nyab xeeb thiab kev tswj chaw taws teeb.
Koj automate hloov hauv kev ruaj ntseg tshuab thiab tshuab.
Kev pheej hmoo ntawm kev xaiv tsis zoo relay
Yog tias koj xaiv qhov tsis ncaj ncees lawm relay, koj tuaj yeem muaj teeb meem loj. Koj yuav tsum phim tus relay rau koj txoj haujlwm thiab ua raws li txoj cai kev nyab xeeb. Kev siv cov relay tsis raug tuaj yeem ua rau koj cov khoom tawg lossis ua rau muaj kev phom sij.
|
Yam yuav tshwm sim |
Kev piav qhia |
|---|---|
|
Underrated Relay |
Kev sib cuag tuaj yeem ua ke ua ke, ua tsis tiav thaum ntxov, ua rau hluav taws kub, ua rau lub cev muaj zog, lossis ua rau lub cev muaj zog pib |
|
Overrated Relay |
Tus nqi ntau dua, tiv thaiv lub cev muaj zog tsis zoo, hloov pauv tsis zoo, nkim chaw |
Koj tuaj yeem zam cov kev pheej hmoo no los ntawm kev txheeb xyuas cov kev ntsuas relay. Nco ntsoov tias koj siv txoj cai relay rau koj txoj haujlwm. Ib txwm xaiv cov relays uas ua tau raws li cov cai kev nyab xeeb rau koj cheeb tsam. Yog tias koj xaiv tau zoo, koj cov cuab yeej yuav nyob nyab xeeb thiab koj lub cev ua haujlwm zoo.
Txheeb xyuas qhov yuav tsum tau ua ntawm daim ntawv thov
Koj yuav tsum paub seb koj daim ntawv thov xav tau dab tsi ua ntej xaiv tus relay. Cov kauj ruam no nres qhov yuam kev kim. Nws kuj ua kom koj cov relay ua haujlwm zoo thiab zoo.
Txhais cov load (AC / DC, voltage, tam sim no)
Ua ntej, xyuas seb lub zog twg koj lub load siv. Puas yog AC lossis DC? AC thiab DC loads muaj qhov sib txawv voltage thiab tam sim no ntsuas. Saib cov lus hauv qab no los sib piv:
|
Yam |
AC Loads |
DC Loads |
|---|---|---|
|
Kev ntsuas tam sim no |
Feem ntau qis dua |
Feem ntau siab dua |
|
Hloov Circuit Court Ratings |
Txawv specifications xav tau |
Txawv specifications xav tau |
|
Load Rating |
Nws txawv ntawm daim ntawv thov |
Nws txawv ntawm daim ntawv thov |
|
Kev ua haujlwm |
Ib FET nrog diode |
Ob FETs nyob rau hauv parallel |
Xyuas seb lub relay puas tuaj yeem tswj tau qhov siab tshaj plaws voltage thiab tam sim no. Yog tias koj hla qhov no, koj lub relay yuav ua tsis tau ntxov lossis ua haujlwm tsis zoo.
Tswj teeb liab compatibility
Koj relay yuav tsum phim koj qhov system tswj. Qee cov relays xav tau qee qhov hluav taws xob los qhib lossis tua. Siv cov lus no los saib seb qhov voltage hloov pauv lub xeev relay li cas:
|
Hom |
Voltage Hla Relay |
Relay Xeev |
|---|---|---|
|
Tso zis -Low |
4.5V lossis 3.7V |
Hloov rau |
|
Hom tswv yim |
Kaw rau 0V |
Tua tawm |
|
Cov zis -High |
1.5V lossis 1.2V |
Tsis paub |
Tswv yim: Ib txwm sim koj relay nrog koj cov kev tswj cov cim ua ntej. Xyuas kom txhua qhov kev tawm tswv yim digital thiab cov zis ua haujlwm raws li koj xav tau.
Hloov zaus thiab lifespan
Xav txog seb koj lub relay yuav hloov ntau npaum li cas. High switching zaus tuaj yeem hnav tawm qee qhov relays sai dua. Electromechanical relays yog qhov zoo rau kev ua haujlwm tsawg - zaus. Khoom - xeev relays kav ntev dua nrog siab - zaus hloov. Cov lus hauv qab no qhia ntev npaum li cas relays feem ntau kav ntev:
|
Hom Relay |
Mechanical Life (cycles) |
Hluav taws xob lub neej (cycles) |
|---|---|---|
|
Electromechanical Relays |
100,000 - 1,000,000 |
100,000 - ntau lab |
|
Reed Relays |
Pua pua lab |
N/A |
|
Khoom -State Relays |
Pua pua lab |
N/A |
Kev txwv ib puag ncig thiab lub cev
Koj relay yuav tsum muaj sia nyob qhov twg koj siv nws. Xyuas qhov kub, av noo, vibration, thiab qhov chaw. Siv lub rooj no los pab koj xaiv:
|
Kev txwv |
Kev piav qhia |
|---|---|
|
Kev ua haujlwm ib puag ncig |
Kub, av noo, corrosive tshuaj, kev co |
|
Mechanical Durability |
Relay lub neej ua haujlwm thiab muaj peev xwm tiv taus kev hloov pauv ntau zaus |
|
Surge Tam sim no Durability |
Muaj peev xwm tswj tau qhov siab tshaj plaws inrush tam sim no yam tsis muaj kev puas tsuaj |
Lus Cim: Ntau tus neeg tsis nco qab xyuas qhov kev ruaj ntseg voltage thiab kev sib txuas lub zog. Kev sib txuas xoob lossis cov av noo siab tuaj yeem ua rau muaj teeb meem. Kev saib xyuas zoo thiab kev tswj xyuas huab cua pab koj cov relay kav ntev dua.
Relay hom txheej txheem cej luam
Thaum xaiv ib tug relay, koj yuav tsum paub lub ntsiab hom. Txhua hom ua haujlwm ntawm nws tus kheej. Qee qhov zoo dua rau qee txoj haujlwm dua li lwm tus. Koj qhov project yuav pab koj xaiv txoj cai relay.
|
Hom Relay |
Qhov zoo |
Qhov tsis zoo |
Tej kev siv |
|---|---|---|---|
|
Electromechanical Relay |
High switching muaj peev xwm, robust, txhim khu kev qha |
Cov khoom txav tuaj yeem hnav tawm, qeeb qeeb hloov ceev |
Kev siv dav dav, siab voltage / tam sim no |
|
Reed Relay |
Cov lus teb ceev ceev, muaj kev ntseeg siab, kev sib cais zoo |
Txwv hloov fais fab |
Telecommunications, automotive, kho mob |
|
Solid State Relay (SSR) |
Kev hloov pauv sai dua, lub neej ntev dua, ua haujlwm ntsiag to |
Sensitive rau voltage spikes |
Lub cev muaj zog tswj, muaj automation |
|
FET Relay |
Kev hloov pauv ceev heev, kev siv hluav taws xob tsawg |
Tsawg tam sim no / qhov ntsuas hluav taws xob |
Siab- zaus, qis- siv fais fab |
Electromechanical relays
Electromechanical relays yog siv nyob rau hauv ntau qhov chaw. Lawv muaj qhov txav chaw uas qhib thiab kaw cov neeg sib cuag. Cov relays no tuaj yeem tswj cov hluav taws xob loj thiab tam sim no. Koj tuaj yeem siv lawv rau lub cev muaj zog, lub teeb, thiab lub zog hluav taws xob. Lawv siv sijhawm ntev tab sis tuaj yeem hnav los ntawm kev siv. Yog tias koj xav hloov cov khoom hnyav, qhov kev hloov pauv no yog qhov kev xaiv zoo.
Cov relays
Reed relays muaj nyias hlau reed nyob rau hauv ib lub khob raj. Lawv hloov thiab tawm sai heev. Lawv kuj khaws circuits zoo sib cais. Koj pom lawv hauv xov tooj, tsheb, thiab cov cuab yeej kho mob. Reed relays yog qhov zoo tshaj plaws rau kev hloov pauv ceev thiab txhim khu kev qha. Lawv tsis tuaj yeem tuav lub zog loj.
Solid State Relays (SSR)
Cov khoom hauv lub xeev relays tsis muaj qhov txav. Lawv siv hluav taws xob hloov hluav taws xob. SSRs hloov sai dua thiab kav ntev dua li electromechanical relays. Koj pom lawv nyob rau hauv lub cev muaj zog tswj thiab lub Hoobkas tshuab. SSRs yog qhov zoo rau kev hloov pauv sai thiab ntsiag to. Lawv xav tau kev tiv thaiv los ntawm voltage spikes nyob rau hauv qhov chaw tawv.
FET relays
FET relays siv teb - cuam tshuam cov transistors hloov circuits. Lawv hloov ceev heev thiab siv zog me ntsis. Koj tuaj yeem siv lawv hauv kev sim iav lossis rau kev hloov cov teeb liab. FET relays tsis yog rau siab zog lossis voltage. Lawv yog qhov zoo tshaj plaws rau kev ua haujlwm me me thiab ceev ceev.
Tswv yim: Koj qhov project txiav txim siab qhov relay koj xav tau. Rau kev hloov ceev ceev, sim cov khoom hauv xeev lossis reed relays. Rau cov khoom hnyav, siv electromechanical relays. Ib txwm xaiv cov relay uas haum koj lub cev.
Xaiv txoj cai relay: xaiv cov txheej txheem tseem ceeb
Thaum koj xaiv ib tug relay, koj yuav tsum tau saib ntau yam. Txhua yam yuav pab koj nrhiav tau qhov zoo tshaj plaws relay rau koj txoj haujlwm. Cov lus qhia no yuav pab koj kom paub tseeb tias koj lub relay ua haujlwm zoo thiab zoo.
Tiv tauj configuration thiab kev ntaus nqi
Txheeb xyuas qhov kev teeb tsa kev sib cuag thiab kev ntaus nqi ua ntej xaiv tus relay. Kev ntsuas kev sib cuag qhia tau hais tias qhov tam sim no thiab qhov hluav taws xob ntau npaum li cas tus relay tuaj yeem ua tau. Hloov lub peev xwm qhia rau koj yog tias tus relay tuaj yeem nres qhov tam sim no yam tsis muaj kev tawg. Siab -cov haujlwm fais fab xav tau cov relays nrog cov qhab nia siab dua li koj qhov load. Qhov no txwv tsis pub muaj teeb meem los ntawm cov dej ntws muaj zog los yog lub txim taws.
Ntawm no yog ib lub rooj uas qhia txog kev sib cuag teeb tsa thiab kev ntaus nqi rau kev lag luam relays:
|
Hom Relay |
Yam ntxwv |
|---|---|
|
Electromechanical Relays |
Cov ntsiab lus loj dua, lub neej luv luv, tus nqi zoo rau cov chaw tsim khoom. |
|
Reed Relays |
Cov kev sib cuag me me, lub neej ntev dua, tuaj yeem raug puas los ntawm sparks. |
|
Solid State Relays |
Hloov nrawm, tuaj yeem raug mob los ntawm cov dej muaj zog. |
Kev sib tiv tauj qhia rau koj paub qhov tam sim no thiab qhov hluav taws xob ntau tshaj qhov relay tuaj yeem ua tau.
Hloov lub peev xwm qhia tau hais tias yog lub relay tuaj yeem nres tam sim no yam xyuam xim.
Siab -cov haujlwm fais fab xav tau relays nrog cov qhab nia siab dua koj cov load.
Kev lag luam relays siv coils, keyboards, thiab nta xws li arc suppression. Koj yuav tsum xav txog qhov hluav taws xob coil, kev sib cuag, kev hloov pauv ntau npaum li cas, thiab tiv thaiv kev tiv thaiv. Tiv tauj cov ntaub ntawv xws li nyiaj los yog kub pab lub relay kav ntev. Txhua yam khoom xws li kev sib cuag sib cais thiab hardness pab nrog rwb thaiv tsev thiab nres vuam.
Coil voltage thiab lub zog
Coil voltage thiab lub zog yog qhov tseem ceeb heev thaum xaiv ib lub relay. Koj yuav tsum phim lub relay lub coil voltage rau koj qhov system tswj. Yog tias koj siv qhov hluav taws xob tsis raug, lub relay yuav tawg, kub dhau, lossis ua txawv txawv. Ntau lub tshuab siv 24-volt AC loops, tab sis cov tshuab tshiab yuav siv 5 lossis 12 volts DC. Nco ntsoov xyuas cov ntsuas coil, khaws qhov hluav taws xob, thiab tso tawm hluav taws xob.
|
Relay tshuaj xyuas yam khoom |
Yuav nrhiav dab tsi |
Vim li cas thiaj tseem ceeb |
|---|---|---|
|
Tswj voltage lossis input hom |
AC los yog DC input, ib txwm voltage, kam rau ua, pickup voltage, dropout voltage, thiab tswj hwj chim. |
Lub kauj lossis cov tswv yim tsis raug tuaj yeem sib tham, tsis ua haujlwm, kub, lossis nyob twj ywm thaum nws yuav tsum tua. |
Koj kuj yuav tsum xyuas seb lub relay puas tuaj yeem tuav cov dej muaj zog. Cov coil hom thiab cov ntaub ntawv sib cuag pab nrog kev ua haujlwm thiab lub neej. Xaiv txoj cai relay nres tsis ua haujlwm thiab ua rau koj lub cev muaj kev nyab xeeb.
Tswv yim: Nco ntsoov xyuas koj qhov kev tswj qhov hluav taws xob thiab lub zog ua ntej koj muab tso rau hauv lub relay. Qhov no nres overheating thiab ua rau koj lub cev ua haujlwm.
Hloov thiab surge tam sim no
Hloov thiab nce qhov ntsuas tam sim no tseem ceeb rau kev ua haujlwm relay. Kev ntsuas kev nce siab qhia tau hais tias tus relay tuaj yeem tswj cov dej muaj zog luv luv yam tsis muaj kev tawg. Koj yuav tsum sib piv cov relay qhov ntsuas qhov nce siab nrog qhov xav tau muaj zog tam sim no. Xaiv txoj cai relay tiv thaiv koj lub cev los ntawm teeb meem.
Resistive loads muaj qhov ntsuas siab tshaj plaws vim lawv ua rau me me voltage spikes.
Inductive loads tau qis dua vim yog rov qab -EMF thiab sparks.
AC pawg hloov cov kev ntsuam xyuas raws li hom load thiab muaj zog tam sim no.
Kev ntsuas kev nce siab pab koj kom paub tseeb tias tus relay tuaj yeem tswj tau qhov muaj zog tshaj plaws. Cov kauj ruam no ua rau koj lub relay kav ntev dua thiab ua haujlwm zoo dua.
Loj, mounting, thiab tshav kub dissipation
Qhov loj, mounting, thiab tswj cua sov cuam tshuam li cas koj nruab thiab siv relay. Koj yuav tsum xaiv lub relay uas haum koj qhov chaw thiab qhov xav tau mounting. Solid state relays xav tau cov heatsinks zoo. Heatsinks pab tswj qhov loj tshaj plaws load tam sim no thiab chav tsev kub. Tsis txhob muab SSRs rau hauv lub thawv kaw tsis muaj cua ntws. Mount heat sinks upright los pab kom txias.
Nco tseg: Saib lub hauv paus kub ntawm koj relay. Yog tias nws mus dhau 45 degrees Celsius, koj xav tau txias dua. Qhov no ua rau koj relay ua haujlwm zoo.
Kev cais tawm thiab cov qauv kev nyab xeeb
Kev cais tawm thiab cov cai tswj kev nyab xeeb yog qhov tseem ceeb heev rau kev kho mob lossis chaw ua haujlwm. Cov cuab yeej kho mob xav tau kev sib cais cov teeb meem uas zoo dua li qhov tsawg kawg nkaus. Muaj zog rwb thaiv tsev thiab zoo nyob deb yog xav tau rau high voltages. Ua raws li IEC 60601-1-2 ua kom koj cov relay ua haujlwm nrog lwm cov khoom siv.
Kev cais kho mob feem ntau xav tau 4000V lossis ntau dua.
Cov dej ntws tawm yuav tsum tsawg dua 10μA rau cov neeg mob cov khoom siv.
Relays yuav tsum muaj kev ua haujlwm zoo rau kev nyab xeeb.
Cov neeg tsim khoom sim thiab lees paub cov relays rau kev nyab xeeb thiab kev ntseeg tau. Relay txhaj tshuaj ntsuam xyuas kev ua tau zoo los ntawm kev xa cov teeb liab tswj. Cov kws ua haujlwm kuaj xyuas cov teeb meem txhaum cai kom paub tseeb tias cov relays ua haujlwm zoo.
|
Txoj Kev Xeem |
Kev piav qhia |
Cov txiaj ntsig |
|---|---|---|
|
Kev Txhaj Tshuaj Relay |
Tshawb xyuas kev ua haujlwm ntawm relay los ntawm kev xa cov teeb liab tswj hluav taws xob. |
Ua kom cov khoom siv hluav taws xob muaj kev nyab xeeb, ua haujlwm zoo dua, thiab txhim khu kev qha. |
|
Simulation ntawm Fault Conditions |
Cov kws ua haujlwm kuaj xyuas cov teeb meem txhaum cai kom paub tseeb tias cov relays ua haujlwm zoo. |
Tshawb xyuas cov tswv yim tsim thiab ua kom cov relays ua haujlwm tsis pub dhau qhov txwv. |
Callout: Kev ntsuam xyuas thiab teeb tsa cov kab hluav taws xob, cov logic, thiab lub sijhawm teb. Cov kauj ruam no ua kom koj cov relay ua haujlwm zoo.
Kev ntsuas ib puag ncig
Kev ntsuam xyuas ib puag ncig pab koj xaiv txoj cai relay rau qhov chaw tawv. Koj yuav tsum txheeb xyuas cov qib tiv thaiv relay. NEMA kev ntsuam xyuas qhia tau zoo npaum li cas tus relay tuaj yeem daws cov av, nag, daus, dej khov, thiab xeb.
|
NEMA Rating |
Qib tiv thaiv |
Haum rau siv sab nraum zoov |
|---|---|---|
|
NEMA 1 |
Nres av thiab khib nyiab |
Tsis muaj |
|
NEMA 4/4X |
Tsis txhob los nag, daus, dej khov, xeb, av, thiab kev sib tsoo |
Yog lawm |
Koj yuav tsum xaiv tus relay nrog qhov kev ntsuas ib puag ncig zoo rau koj txoj haujlwm. Cov kauj ruam no tiv thaiv koj cov relay ntawm kev puas tsuaj thiab ua rau koj lub cev khiav haujlwm.
Tswv yim: Nco ntsoov xyuas ib puag ncig kev ntsuam xyuas ua ntej koj tso lub relay sab nraum. Qhov no nres qhov ua tsis tiav ntawm huab cua thiab av.
Thaum koj xaiv ib lub relay, koj yuav tsum saib cov teeb tsa kev sib cuag, coil voltage, hloov thiab surge tam sim no, qhov loj thiab mounting, kev sib cais thiab kev nyab xeeb, thiab kev ntsuas ib puag ncig. Txhua yam yuav pab koj nrhiav qhov zoo tshaj plaws relay rau koj cov kev xav tau thiab ua kom koj lub cev muaj kev nyab xeeb.
Relay xaiv phau ntawv qhia: daim ntawv teev npe thiab cov lus txiav txim
Daim ntawv teev npe ceev kom xaiv tus relay
Koj tuaj yeem siv phau ntawv qhia kev xaiv relay no los pab koj xaiv qhov zoo relay. Daim ntawv txheeb xyuas no pab koj kom tsis txhob ua yuam kev thiab ua kom koj lub cev muaj kev nyab xeeb.
Tshawb xyuas seb koj muaj pes tsawg lub load. Sau cia yog tias koj siv AC lossis DC. Ntsuas qhov voltage thiab tam sim no.
Nrhiav qhov siab tshaj plaws tam sim no thaum koj pib koj lub cuab yeej. Qee yam, xws li motors lossis teeb, xav tau tam sim no ntau dua thaum pib.
Txiav txim siab pes tsawg zaus koj yuav hloov lub relay. Yog tias koj hloov ntau, qee qhov relays tuaj yeem hnav sai dua.
Xaiv qhov kev teeb tsa hu. Xaiv SPDT, DPDT, lossis lwm yam uas haum rau koj lub voj voog.
Muab cov coil voltage thiab lub zog rau koj lub teeb liab tswj.
Saib seb koj xav tau kev cais ntau npaum li cas. Xyuas kom tseeb tias lub relay tuav tswj thiab lub zog hluav taws xob sib nrug.
Xav txog qhov twg koj yuav siv lub relay. Xyuas qhov kub, av noo, thiab yog tias muaj plua plav lossis co.
Xyuas kom tseeb tias tus relay haum rau hauv koj qhov chaw thiab phim koj cov mounting style.
Xyuas seb koj xav tau arc suppression rau koj cov neeg.
Tshawb xyuas seb koj xav kom lub relay kav ntev npaum li cas. Nco ntsoov tias lub relay yuav kav ntev npaum li koj xav tau.
Tswv yim: Ib txwm siv cov lus qhia xaiv relay ua ntej koj yuav los yog muab tso rau hauv ib lub relay. Cov kauj ruam no pab koj kom tsis txhob muaj teeb meem tshwm sim thiab ua kom koj cov cuab yeej ua haujlwm.
Piv txwv lub rooj txiav txim rau kev siv
Koj tuaj yeem siv cov lus qhia kev xaiv relay no los sib piv cov haujlwm sib txawv. Cov lus no qhia tau hais tias hloov pauv ntau npaum li cas tuaj yeem ua rau relays hnav sai dua. Nws pab koj xaiv tus relay uas haum koj cov kev xav tau.
|
Hom ntawv thov |
Hloov zaus |
Cia siab Relay Lifespan |
Pom zoo Relay Hom |
|---|---|---|---|
|
HVAC Compressor |
4 cycles / teev |
14 xyoo |
Electromechanical Relay |
|
Txheej txheem tswj |
1 lub voj voog / feeb |
Tsawg dua 1 xyoos |
Solid State Relay |
|
Kev Tswj Kub Kub |
6 cycles / feeb |
2 hli |
Solid State lossis Reed Relay |
Koj tuaj yeem pom tias kev hloov pauv ntau ua rau relays tsis kav ntev li ntev. Rau cov hauj lwm nrog ntau lub voj voog, cov khoom hauv xeev relays lossis reed relays yog qhov zoo tshaj. Rau cov hauj lwm nrog tsawg lub voj voog, electromechanical relays kav ntev dua.
Phau ntawv qhia kev xaiv relay no muab txoj hauv kev yooj yim rau koj los sib piv thiab xaiv tus relay rau koj qhov project.
Koj tuaj yeem xaiv txoj cai relay yog tias koj ua raws qee cov kauj ruam yooj yim: Ua ntej, tshawb xyuas koj qhov voltage, tam sim no, thiab hom kev thauj khoom koj muaj. Tom ntej no, xaiv qhov kev sib cuag teeb tsa thiab coil voltage uas ua haujlwm rau koj lub cev. Tom qab ntawd, saib ntau npaum li cas tam sim no tus relay hloov tau, nws loj npaum li cas, thiab nws ua kom cov circuits sib nrug. Xyuas kom lub relay ua raws li cov cai kev nyab xeeb thiab ua haujlwm hauv koj qhov chaw.
Nco ntsoov xyuas kom paub meej tias cov relay cov ntsiab lus phim koj txoj haujlwm. Saib cov ntaub ntawv thiab cov lus qhia los ntawm lub tuam txhab. Cov ntaub ntawv no qhia koj txog lub sijhawm, kev ntaus nqi, thiab kev txwv. Yog tias koj txheeb xyuas tag nrho cov no, koj yuav tsis ua yuam kev kim thiab koj lub kaw lus yuav nyob nyab xeeb.
FAQ
Yuav ua li cas yog tias koj siv lub relay nrog qhov ntsuas qhov tsis zoo?
Yog tias koj siv lub relay nrog qhov tsis ncaj ncees lawm, nws yuav hloov tsis raug. Koj tuaj yeem ua puas lub relay lossis koj cov khoom siv. Ib txwm phim tus relay qhov ntsuas hluav taws xob rau koj lub cev.
Koj puas tuaj yeem siv lub xeev relay rau txhua daim ntawv thov?
Tsis yog, koj siv tsis tau lub xeev relay nyob txhua qhov chaw. Cov khoom hauv lub xeev relays ua haujlwm zoo tshaj plaws rau kev hloov pauv sai, nquag thiab qis - xav tau suab nrov. Rau cov khoom hnyav lossis cov dej ntws siab, electromechanical relays ua haujlwm zoo dua.
Yuav ua li cas koj thiaj paub qhov kev sib cuag configuration xaiv?
Koj yuav tsum xyuas koj cov kev xav tau ntawm Circuit Court. Siv SPDT rau ib qho kev tawm tswv yim thiab ob qhov tawm. Siv DPDT rau ob lub voj voog sib cais. Yog tias koj xav tias tsis paub meej, txheeb xyuas koj daim duab kab hluav taws xob lossis nug tus kws tshaj lij.
Puas yog relays xav tau kev saib xyuas tsis tu ncua?
Yog, koj yuav tsum xyuas cov relays rau hnav, av, los yog xoob kev sib txuas. Ntxuav cov neeg sib cuag thiab nruj cov terminals raws li xav tau. Qhov no pab koj relay ntev dua thiab ua rau koj lub cev muaj kev nyab xeeb.