Txhawm rau xaiv lub micro relay loj, koj yuav tsum kuaj xyuas koj qhov project qhov hluav taws xob, tam sim no, thiab hloov kev xav tau. Ib txwm xaiv cov relay uas ua tau raws li lossis nce siab dua cov lej no. Kev tshawb fawb kev lag luam qhia tau tias thaum kojPhuam relay loj thiab chaw rau koj qhov project, koj lub system ua haujlwm tau zoo dua thiab tshem tawm cov yuam kev sai dua. Ntxiv cov paj laum kev nyab xeeb rau koj cov kev ntsuas, thiab phim cov kauj voltage rau koj lub Circuit Court. Nrog cov kauj ruam yooj yim no, koj tuaj yeem tsim kev nyab xeeb thiab cov kev xaiv ntse, txawm tias koj tshiab rau cov khoom siv hluav taws xob tshiab.
Tseem Ceeb Takaways
- Nco ntsoov nco ntsoov tias koj Relay lub voltage thiab cov kev ntsuas tam sim no haum rau koj qhov project. Ntxiv 20-30% kev tiv thaiv kev nyab xeeb los tiv thaiv los ntawm surges thiab pab nws ntev dua.
- Tshawb xyuas cov thauj khoom twg koj tau tswj, zoo li tsis kam, lub cev muaj zog, teeb, lossis muaj peev xwm. Txhua hom kev hloov uas relay koj xav tau thiab xav tauCov Ntaub Ntawv Tshwj Xeeblossis kev ntaus nqi.
- Ntsuas qhov chaw ntawm koj lub boardracuit board. Xaiv ib qho kev sib luag uas haum zoo tab sis tseem muab lub zog txaus thiab ua kom muaj kev nyab xeeb.
- Phim tusRelay's Chev Voltageraws nraim rau koj txoj kev tswj hluav taws xob voltage. Qhov no pab kom nres relay ua tsis tiav lossis kev puas tsuaj.
- Xav txog qhov twg koj relay yuav raug siv. Siv kaw kev sib tsoo hauv qhov chaw ntub lossis cov chaw plua plav. Qhov no pab tau cov xa tawm ntev dua thiab ua rau koj qhov project nyab xeeb.
Txoj Haujlwm Yuav Tsum Tau
Voltage thiab tam sim no
Koj yuav tsum tau pib los ntawm kev tshuaj xyuas lub voltage thiab tam sim no kojXav Tau Feem NtauCov. Feem ntau cov haujlwm nyiam ua haujlwm thiab cov teeb tsa me me siv cov micro rov qab ua ntsuas rau 12 volts. Piv txwv li, ib qho yooj yim Circuit Court yuav siv a12V relay nrog ib transformer uas muab 500mACov. Qhov no txhais tau tias koj cov relay yuav tsum tuav yam tsawg kawg 12V thiab ob peb txhiab milliamps. Yog tias koj siv cov relay nrog qhov kev ntaus nqi qis dua, nws yuav dhau los ntawm kev poob.
Nco ntsoov phim cov relay lub voltage thiab kev ntsuas tam sim no rau koj lub voj voog. Yog tias koj tsis paub meej, xyuas koj cov khoom siv hluav taws xob thiab cov khoom siv uas koj xav tau los tswj.
Tswv yim:Sau cia qhov hluav taws xob ntau tshaj plaws thiab tam sim no koj qhov project yuav siv. Qhov no ua rau nws yooj yim los sib piv cov kev xaiv relay tom qab.
Thauj Yam
Hom kev thauj koj tswj hwm cuam tshuam rau kojKev Xaiv Relay. Cov thauj khoom tuaj yeem tiv thaiv, inductive, lossis peev xwmCov. Txhua hom coj txawv:
- Resistive Loads(zoo li cua sov) kos khov kho tam sim no. Koj tuaj yeem phim cov ntaus nqi relay rau lub nra.
- Teeb Thauj Khoom(zoo li cov qhov muag teev) muaj cov inrush high inrush. Qee qhov muag cov tuaj yeem kos tau txog 20 zaus lawv qhov tam sim no thaum muab.
- Lub cev muaj zog loadsXav tau kev saib xyuas tshwj xeeb. Cov motors kos duab ntau dua tam sim no thaum pib dua thaum khiav.
- Kev tsim khoom(zoo li qee cov khoom siv fais fab tuag) ua rau muaj kev nce siab thaum hloov mus. Qhov no tuaj yeem weld relay sib cuag.
- Inductive Thauj Khoom(zoo li bibays lossis motors) tsim cov voltage thaum muab tua. Koj xav tau repays nrog cov kev ntsuas siab dua thiab arc supression.
Txhua zaus yuav tsum tshawb xyuas cov hom load ua ntej xaiv ib lub relay. Qee lub nra yuav tsum muaj kev sib txuas nrog cov ntaub ntawv sib cuag tshwj xeeb lossis kev nyab xeeb ntxiv.
Kev Ruaj Ntseg
Tsis txhob xaiv ib tug relay uas tsuas yog ua tau raws li koj cov phiaj xwm kev xav tau. Ntxiv cov paj laum kev nyab xeeb rau koj cov hluav taws xob thiab kev ntsuas tam sim no. Piv txwv li, yog tias koj qhov hluav taws xob siv 12v thiab 500ma, khaws ib tus rated rated rau tsawg kawg 15V thiab 650mA. Cov npoo ntxiv no tiv thaiv koj cov relay los ntawm kev npaj txhij txog lossis hloov pauv ntawm koj qhov project. Txoj cai zoo yog ntxiv 20-30% rau koj cov txiaj ntsig zoo tshaj plaws. Qhov no ua rau koj qhov project nyab xeeb thiab pab koj cov xa tawm ntev dua.
Micro relay loj thiab haum
Lub cev qhov ntev
Thaum koj xaiv ib qho relay, koj yuav tsum tshuaj xyuas nws lub cev loj. Micro Repays tuaj rau hauv ntau cov duab thiab ntau thiab tsawg. Ib co yog me me li10 x 6 x 5 hliCov. Cov me me no txhim kho kom haum zoo rau hauv cov chaw nruj. Koj tuaj yeem nrhiav ntsuas ntsuas ntsuas hauv cov relay's datasheet. Nco ntsoov ntsuas qhov chaw ntawm koj lub rooj tsavxwm ua ntej koj xaiv ib qho relay. Yog tias koj qhov project muaj qhov chaw sib luag me me, cov xa khoom loj yuav tsis haum.
Tswv yim:Siv tus pas ntsuas lossis tus nqi ntsuas los kuaj xyuas qhov chaw muaj nyob ntawm koj lub PCB ua ntej xaj seem.
Ib lub rooj tuaj yeem pab koj muab piv rau micro relay ntau thiab tsawg:
| Repay hom | Raug loj (hli) | Muaj peev xwm tam sim no |
|---|---|---|
| Ultra-me me | 10 x 6 x 5 | 2A |
| Tus qauv micro | 15 x 10 x 10 | 5A |
| Loj micro | 20 x 12 x 10 | 10A |
Koj yuav tsum tau ua kom phim lub micro relay rau koj qhov project cov kev xav tau. Me me rov qab txuag chaw tab sis tej zaum yuav muaj kev ntsuas hluav taws xob qis dua.
Chaw Cuam Tshuam
Chaw rau ntawm koj lub PCB yog qhov tseem ceeb. Hauv cov khoom siv hluav taws xob niaj hnub, koj feem ntau yuav tsum tau sib haum ntau qhov chaw rau thaj chaw me me. Xaiv ib qho kev xa me me pab koj txuag chaw rau lwm cov khoom. Thaum koj siv aMicro relay nrog tsawg dua pins thiab ib tug me me hneev taw, koj ua kom sib fim tau yooj yim dua thiab khaws koj cov xwm txheej zoo. Cov neeg tsim qauv feem ntau xaiv ulra-meture relays rau high-density layouts.
Cov no relays ua haujlwm tau zoo nyob rau hauv nruj me ntsis thiab tseem coj mus txog 2a ntawm tam sim no. Koj yuav tsumTshuav Loj Nrog Kev Ua HaujlwmCov. Yog tias koj xaiv ib lub relay uas me me dhau, nws yuav tsis siv lub zog koj cov phiaj xwm xav tau. Yog tias koj xaiv ib qho uas loj heev, nws yuav tsis haum rau koj lub rooj tsavxwm.
Nco ntsoov: Nco ntsoov xyuas ob qho hluav taws xob hluav taws xob thiab kho tshuab ua ntej koj txiav txim siab ntawm micro relay.
TSEEM Relay Specifications
Chev Volterage
Koj yuav tsum phim tusrelay tus coil voltage rau koj txoj kev tswj hluav taws xob voltageCov. Yog tias koj siv cov coil tsis yog, cov relay tsis tuaj yeem ua haujlwm lossis tuaj yeem ua haujlwm puas. Nco ntsoov xyuas koj lub Circuit Court lub voltage ua ntej koj xaiv ib tug relay. Feem ntau cov micro rov qab tuaj yeem muaj cov coil voltages zoo li 3V, 5V, 12V, thiab 24V. Ntawm no yog qee cov ntsiab lus tseem ceeb kom nco ntsoov:
- Cov relay chev voltage yuav tsum tau phim koj txoj kev tswj hluav taws xob voltage.
- Siv ib qho relay nrog cov kauj feem txawv ntawm cov coil voltage tuaj yeem ua rau nws mus dhau los lossis swb.
- Tus relay's load voltage ntsuas yuav tsum siab dua qhov kev voltage siab tshaj plaws hauv koj lub Circuit Court.
- Ob tog ua kom muaj kev tiv thaiv tam sim no thiab kev tiv tauj tam sim no yuav tsum tau raws lossis tshaj li koj cov kev xav tau hluav taws xob.
Tswv yim:Muab ob npaug rau saib koj txoj kev tswj hluav taws xob voltage ua ntej koj yuav ib tug relay. Cov kauj ruam yooj yim no tiv thaiv ntau yam teeb meem.
Hu Rau Kev Ntsuas
Hu Rau Kev NtsuasQhia koj ntau npaum li cas voltage thiab tam sim no cov kev sib cuag relay tuaj yeem ua kom nyab xeeb. Koj yuav tsum tau xaiv ib lub relay nrog qhov kev xaiv sib tiv tauj siab dua koj qhov project qhov siab tshaj plaws load. Yog tias koj lub voj voog teeb 2a ntawm 12v, xaiv cov rated rated rau tsawg kawg 2.5A lossis 3a ntawm 12v. Qhov kev muaj peev xwm ntxiv no pab koj cov xa tawm ntev dua thiab ua rau koj qhov project nyab xeeb.
| Thauj Yam | Yam tsawg kawg nkaus hu rau kev ntaus nqi xav tau |
|---|---|
| Me Led | 0.5A |
| Tsav (me me) | 3A |
| Tshuab cua kub | 5A |
Tsis txhob siv relay nrog tus nqi sib chwv tsawg dua koj lub nra. Qhov no tuaj yeem ua rau cov neeg sib chwv lossis hlawv tawm.
Cov naj npawb ntawm cov neeg sib tiv tauj
Micro Repays tuaj nrog cov neeg sib txawv ntawm cov neeg sib cuag. Koj yuav pom cov lus zoo li Spst (ib leeg ncej ib qho pov), spdt (tib tus ncej ob muab pov tseg), thiab dpdt (ob ncej ob npaug muab pov). Txoj cai xaiv yog nyob ntawm seb muaj pes tsawg lub voj voos uas koj xav kom tswj tau.
- SPUP:Kev tswj hwm ib Circuit Court, yooj yim rau / tawm.
- SPDT:Hloov ib lub zog ntawm ob qho tawm.
- DPDT:Tswj ob lub voj voog ib zaug.
Xaiv lubHom Huuas phim koj cov phiaj xwm kev xav tau. Yog tias koj tsuas yog yuav tsum tau tig ib yam dab tsi rau lossis tawm, hnoos qeev zoo. Rau hloov ntawm ob pab kiag li lawm, SPDT yog qhov zoo dua. Rau ntau txoj kev tswj hwm, siv DPDT.
Nco ntsoov: ib txwm phim cov relay tus coil voltage, hu rau kev ntaus nqi, thiab hu ntaus rau koj txoj haujlwm kom muaj kev nyab xeeb thiab txhim khu kev qha.
Durability thiab ib puag ncig
NEEG KHO TSHUAB DURISHAB
Koj xav tau koj lub micro relay ua haujlwm ntev. Cov tshuab ua haujlwm ruaj khov txhais tau tias muaj pes tsawg lub sij hawm nws tuaj yeem hloov ua ntej tawg. Feem ntau cov micro rov qab rau hauv electronics tuaj yeem hloov ntau zaus ntawm lub sijhawm. Piv txwv li, qee qhov me me rov qab los ntawm Abb thiab Telemecanique tuaj yeem hloov mus rau10 lab lub sijhawmCov. Micro lub tshuab nqus, zoo li cov neeg tuaj ntawm Unionwell, kawg ntawm 100,000 thiab 1,000,000 zaus. Cov lus hauv qab no qhia qee qhov kev ntaus nqi:
| Lub hauv paus | Ntaus Yam | Cov thev naus laus zis durability (mus txog ib lub voj voog) |
|---|---|---|
| Abb tej me me relay spec | Tej yam me me relay | 10,000,000 |
| Telemecanique RXM2AB1BD Relay | Tej yam me me relay | 10,000,000 |
| Qhia Taw Qhia Lub Tebchaws | Spdt micro hloov | 100,000 – 1,000,000 |
Tswv yim:Xaiv ib qho relay nrog ntau lub voj voog yog tias koj qhov project hloov ntau.
Surge Tam Sim No
Surge tam sim no tshwm sim thaum koj thawj zaug tig rau ib lub cuab yeej. Qee yam, xws li teeb thiab lub peev xwm, siv ntau qhov tam sim no thaum pib. Koj xav tau ib tug relay uas tuaj yeem ua cov loj no. Piv txwv li, lub teeb tuaj yeem siv tau10 lub sij hawmnws tam sim no thaum koj tig nws. Cov Motors tuaj yeem siv txog 6 zaug lawv qhov tam sim no thaum pib. Daim duab hauv qab no qhia tau ntau tshaj tawm tam sim no sib txawv tau muaj:
Yog tias koj tsis xav txog kev nce qib tam sim no, koj cov relay yuav lo lossis tawg thaum ntxov. Nco ntsoov xyuas ob qho tib si ib txwm thiab tawm kev ntsuas ua ntej koj xaiv.
Kev khiav hauj lwm
Qhov twg koj siv koj cov kev xa tawm pauv ntev npaum li cas nws kav thiab ua haujlwm.Kubtuaj yeem ua rau nws hnav cov nrawm dua thiab ua rau mob rwb thaiv tsev. Khaub thuas tuaj yeem ua qhov chaw nkig thiab qeeb cov relay cia. Cov av noo tuaj yeem ua rau xeb lossis txawm tias luv luv ncig sab hauv lub relay. Hmoov av, tshuaj lom neeg, thiab txaj muag kuj tuaj yeem ua rau cov relay tsis ntev.
- Qhov kub hloov tshiab tuaj yeem ua rau rov qab muab coj tawm sai dua.
- Cov av noo tuaj yeem ua rau muaj teeb meem xeb lossis hluav taws xob.
- Cov hmoov av thiab tshuaj lom tuaj yeem thaiv lossis raug mob repay ntu.
- Co tuaj yeem ua kom sib txuas xoob.
Rau cov chaw tawv, siv cov chaw kaw lossis muaj zog relays kom ua raws li koj qhov project muaj kev nyab xeeb.
Kev kuaj xyuas thiab tu koj cov relay feem ntau pab nws ntev ntev. Yog tias koj saib tusThiab Vaum, koj tuaj yeem nrhiav teeb meem ntxov thiab ua kom koj txoj haujlwm ua haujlwm zoo.
Kev rho tawm thiab kev teeb tsa
Kev Noj Circuit Court
Nws yog ib qho tseem ceeb kom koj txoj kev tswj hwm hluav taws xob thiab thauj Circuit Court. Micro Repay pab koj ua qhov kev nyab xeeb. Lawv muaj cov kauj thiab cov neeg nyob sab hauv uas tsis kov. Thaum koj xa hwj chim rau cov relay chev, nws txav cov neeg.
Qhov no cia koj tig cov khoom rau lossis tawm yam tsis muaj kev sib xyaw ntawm cov voj voog. Kev ntsuas hluav taws xob siab lossis cov khoom siv tam sim no nyob deb ntawm koj cov khoom siv hluav taws xob tswj. Kev rho tawm khaws koj cov microcontroller lossis logic board muaj kev nyab xeeb los ntawm spikes lossis surges. Yog tias koj siv lub relay kom tig rau lub cev muaj zog, cov relay blocks txaus ntshai voltage los ntawm kev tswj hwm sab. Qhov kev txo qis no ntawm kev puas tsuaj thiab ua rau koj qhov kev nyab xeeb.
Tswv yim:Nco ntsoov saib ntawm Relay tus kheej hluav taws xob hauv lub datasheet. Xaiv ib qho relay nrog kev ntaus nqi cais saum koj cov hluav taws xob siab tshaj plaws.
Hu rau Configuration
Koj yuav tsum tau xaiv txoj caiHu rau ConfigurationRau koj qhov project. Hom Hu tau qhia koj pes tsawg lub voj voog koj tuaj yeem tswj hwm thiab seb koj hloov lawv li cas. Nov yog qee qhov kev xaiv tshwj xeeb:
- SPDT (tib tus ncej ob muab ob sab:Cov relay no muaj ib lub davhlau ya nyob twg thiab ob qho tawm. Ib qho kev tso zis ntau zaus qhib (tsis muaj) thiab lwm tus yog feem ntau kaw (NC). Koj tuaj yeem tswj ob lub voj voog nrog ib relay. Spdt belays yog qhov zoo rau kev hloov ntawm lub ntsiab thiab thaub qab lub zog.
- Lawv kuj ua haujlwm rau kev hloov lub cev muaj zog, hloov cov paib, lossis ua cov txheej txheem cuam tshuam.
- DPDT (Ob Npaug Ncej Coj Pov Tseg):Cov relay no muaj ob teev ntawm cov neeg sib tiv tauj. Koj tuaj yeem hloov ob lub voj voog ntawm ib zaug thiab ua kom lawv sib nrug.
- DPDT Repays pab koj ua ntau txoj kev tswj hwm ntau dua. Lawv tau siv rau cov txheej txheem tswj lossis qib siab ua ntu zus.
- Lwm hom:Qee cov kev caij tsheb tau ua cov kev coj ua lossis kev nyab xeeb ntxiv. Lub xeev kev faib khoom yog qhov zoo tshaj plaws rau kev hloov ceev thiab cov khoom siv rhiab.
Koj yuav tsum xaiv cov hom reey uas haum rau koj qhov project. Xav txog seb muaj pes tsawg lub voj voos koj yuav tsum tau tswj hwm. Kuj xav txog qhov hluav taws xob,
Tam sim no, thiab ib qho kev cai tshwj xeeb kev nyab xeeb. Muaj kev tiv thaiv txoj cai muab koj tswj hwm thiab ua raws li koj qhov project nyab xeeb.
Txuam rau cov kev xav tau
Cov Ntawv Sau Sib Piv
Thaum koj xaiv ib tug relay, koj yuav tsum tau piv rau koj qhov project qhov kev xav tau rau cov ntawv txheeb ntawm Relay cov ntaub ntawv. Cov ntawv teev cov ntaub ntawv muab rau koj txhua cov ntsiab lus tseem ceeb txog cov relay. Koj yuav tsum saib rau cov ntsiab lus tseem ceeb no:
- Chev Volterage: Qhov no yuav tsum phim koj txoj kev tswj hluav taws xob voltage. Yog tias nws tsis phim, cov relay tsis tuaj yeem ua haujlwm lossis tuaj yeem raug puas ntsoog.
- Load Voltage: Qhov no yuav tsum siab dua qhov kev nthuav dav tshaj plaws koj qhov project yuav siv. Qhov no ua kom muaj kev nyab xeeb thiab txhim khu kev qha.
- Cov kev xav tau tam sim no: Kos rau ob lub coil tam sim no (tig lub relay rau) thiab hu rau tam sim no (tam sim no uas ntws los ntawm relay thaum nws nyob ntawm).
- Cov Khoom Sib Hu: Qee cov ntaub ntawv tau ntev dua lossis ua haujlwm zoo dua nrog qee yam kev thauj khoom. Cov khoom sib ze zoo pab koj cov xa tawm ntev dua.
- Lub sijhawm ua haujlwm: Qhov no qhia koj sai sai npaum li cas cov relay tuaj yeem hloov ntawm lossis tawm. Hloov hloov nrawm yog qhov tseem ceeb rau qee cov haujlwm.
- Lub neej vam tias: Qhov no qhia tau pes tsawg zaus cov relay tuaj yeem hloov ua ntej nws ris.
- Qhov siab tshaj plaws hloov voltage: qhov no yog qhov hluav taws xob siab tshaj plaws ntxiv cov relay tuaj yeem siv thaum hloov. Yog koj hla qhov no, cov neeg tuaj yeem raug puas ntsoog.
- Txias hloov voltage: qhov no yog qhov ntau tshaj plaws hluav taws xob cov relay tuaj yeem lis thaum nws tsis hloov lub nra.
- Hloov tam sim no: Qhov no yog qhov kev sib cuag relay relay tuaj yeem nqa tau. Nco ntsoov tias qhov no phim koj cov phiaj xwm kev xav tau.
- Cov yam ntxwv tshwj xeeb: qee cov kev sib txuas muaj cov qauv ntxiv xws li cov teeb meem teeb tsa lossis phau ntawv hloov tes.
Tswv yim:Nco ntsoov xyuas lub cev micro relay loj hauv cov ntaub ntawv cov ntaub ntawv. Nco ntsoov tias nws haum koj qhov project qhov chaw thiab phim koj cov kev xav tau lub hwj chim.
Koj tuaj yeem siv lub rooj los sib piv koj cov phiaj xwm qhov yuav tsum tau rau cov ntaub ntawv relay cov ntaub ntawv:
| Chaw ua uas tsis tau haus | Koj Cov Kev Xav Tau Haujlwm | Refay Cov Ntaub Ntawv Tus Nqi | Yuav tsum tau raws li cov kev xav tau? |
|---|---|---|---|
| Chev Volterage | 5V | 5V | ✅ |
| Load voltage | 12V | 24V | ✅ |
| Hu rau Tam Sim No | 2A | 3A | ✅ |
| Micro Relay | 15 x 10 x 10 hli | 15 x 10 x 10 hli | ✅ |
| Lub neej cia siab | 100,000 txoj kev voj voog | 1,000,000 txoj kev voj voog | ✅ |
Yog tias koj pom ib qho ❌, koj yuav tsum saib rau lwm tus relay.
Ua ntawv thov cov npoo kev ruaj ntseg
Koj yuav tsum tsis txhob xaiv ib tug relay uas tsuas yog ua tau raws li koj qhov project qhov hluav taws xob ntau tshaj plaws lossis tam sim no. Ib txwm muaj aKev Ruaj NtsegCov. Qhov no pab koj cov xa tawm ntev ntev thiab ua rau koj qhov project muaj kev nyab xeeb los ntawm kev surges sai lossis hloov pauv.
Txoj cai zoo yog kom ntxiv 20-30% rau koj cov hluav taws xob ntau thiab cov txiaj ntsig tam sim no. Piv txwv li, yog tias koj txoj haujlwm siv 10V thiab 1a, koj yuav tsum xaiv ib tug relay rated rau tsawg kawg 12V thiab 1.3a. Cov npoo ntxiv no tiv thaiv koj lub relay los ntawm kev kub ntxhov los yog poob thaum koj qhov project muaj lub zog loj. Ntawm no yog txoj kev yooj yim los xam seb koj muaj kev ruaj ntseg npoo:
Qhov project Qhov siab tshaj plaws X 1.2=Tsis txhob ntaus nqi ntxiv
Yog li, yog tias koj cov phiaj xwm xav tau 2a, koj yuav tsum saib rau cov relay rated rau tsawg kawg 2.4a.
Nco tseg:Cov npoo kev ruaj ntseg yog qhov tseem ceeb rau ob qho hluav taws xob kev ntaus nqi thiab micro relay loj. Yog tias koj lub relay tsawg dhau, nws yuav tsis lis cov cua sov lossis tam sim no, txawm tias nws tuaj yeem ua tau.
Koj kuj yuav tsum xav txog qhov chaw ntawm koj tus PCB. Yog tias koj xaiv lub micro reeay uas me me dhau heev, nws yuav tsis tswj lub zog, txawm tias muaj kev nyab xeeb npoo. Ib txwm tshuav me ntsis thiab ua tau zoo.
Los ntawm kev sib piv koj cov phiaj xwm xav tau rau cov ntaub ntawv cov ntaub ntawv thiab ntxiv cov npoo kev nyab xeeb thiab koj ua kom koj cov khoom lag luam tawm kom nyab xeeb thiab kav ntev dua. Kauj ruam no pab koj zam cov teeb meem uas ib txwm muaj thiab ua kom koj qhov project khiav zoo.
Nquag yuam kev
Undersized relays
Qee tus neeg xaiv lub relay me me kom txuag tau chaw lossis nyiaj. Tab sis yog hais tias cov relay yog me me dhau, nws tuaj yeem ua tau kub dhau los lossis nres ua haujlwm. Qhov no tuaj yeem tsoo koj txoj haujlwm thiab ua kom nws tsis zoo. Nco ntsoov xyuas cov relay lub voltage thiab kev ntsuas tam sim no. Cov naj npawb no yuav tsum siab dua qhov koj xav tau kev xav tau. Qhov no tseem ceeb heev yog tias koj siv lub cev muaj zog lossis teeb ci uas xav tau hluav taws xob ntau dua thaum pib. Yog tias koj siv lub relay nrog cov kev tsis ncaj ncees lawm coil voltage, nws yuav tsis tig lossis tuaj yeem hlawv ceev.
Tswv yim:Sau cia qhov hluav taws xob ntau tshaj plaws thiab tam sim no koj txoj haujlwm siv. Ntxiv 20-30% ntau dua ua ntej xaiv koj lub relay.
Tsis quav ntsej ib puag ncig
Coob leej tsis nco qab xav txog qhov twg cov relay yuav raug siv. Yog tias koj siv qhib kev xa tawm sab nraud lossis hauv lub Hoobkas, dej lossis hmoov av tuaj yeem nkag sab hauv thiab tawg.Kev tu tsev qhib kev sib txuas hauv cov chaw ntub dej feem ntau xav tau tshuaj muaj kuab lomCov. Cov tshuaj no tuaj yeem ua mob ib puag ncig. Kaw cia Ncua cia koj ntxuav nrog kev nyab xeeb thiab khaws cia dej thiab av. Tsis xav txog qhov chaw ib puag ncig tuaj yeem ua cov teeb meem loj dua rau tib neeg thiab xwm. Nws tuaj yeem ua phem rau cov tiam yav tom ntej.
- Qhib qhib hauv cov chaw ntub dej yuav tsum tau tu nrog cov tshuaj muaj zog.
- Kaw xov xwm sib luag tuaj yeem ntxuav kom muaj kev nyab xeeb dua, cov dej huv.
- Tsis xav txog ib puag ncig yuav ua rau muaj kev phom sij ntau dua thiab tsim teeb meem kev coj zoo.
- Tsim zoo pab koj qhov project thiab tiv thaiv ib puag ncig.
Saib xyuas kev cais
Yog tias koj tsis siv cov kev sib cais ntawm Circuit Court, koj txoj haujlwm yuav tsis muaj kev nyab xeeb. Ib qho teeb meem tuaj yeem ua rau ntau qhov kev rov ua haujlwm nyob rau tib lub sijhawm. Qhov no ua rau cov tshuab backup tsis muaj thiab tuaj yeem ua rau txaus ntshai. Nws tseem nyuaj dua los nrhiav kom paub qhov tsis raug yog tias kev sau ntawv tsis raug rho tawm. Koj yuav tsum nco ntsoov ua raws li cov cai chaw tsim chaw tsim khoom lag luam rau kev cais tawm thiab ib puag ncig. Qhov no ua rau koj lub cev muaj kev nyab xeeb.
- Kev rho tawm tsis zoo tuaj yeem ua rau ntau lub sijhawm ua tsis tiav ua ke.
- Nws yog qhov yooj yim rau kev kuaj xyuas cov teeb meem nrog cov neeg sib cais.
- Tsis siv kev rho tawm ua rau muaj kev txaus ntshai tsis ua rau ntau dua.
Cov lus qhia ceev kom tsis txhob muaj cov pitfalls no
- Nco ntsoov tias relay specs phim koj qhov project phau ntawv thiab xav tau.
- Txheeb xyuas qhov ntsuas kub, av noo, hmoov av, thiab roj av qhov twg koj qhov project yog.
- Siv txoj cai tswj lub teeb liab rau koj cov khoom siv hluav taws xob (duab plaub rau DC, sine rau AC).
- Tsis txhob siv lub romays uas tau poob lossis puas.
- Teeb tsa latching relays rau txoj haujlwm yog ua ntej siv.
- Muab ob npaug rau kuaj chev polarity rau polarized rov qab.
- Saib xyuas kev tiv thaiv kev tiv thaiv, kev tshuaj tiv thaiv kev tiv thaiv, voltage, thiab koj yuav nruab li cas rau lub relay.
- Kov qhov chaw rhiab, zoo li 12v timers, ua tib zoo.
- Nug cov chaw tsim khoom rau kev pab yog tias koj tsis paub meej.
Ua tej yam no pab koj zam kev ua yuam kev thiab ua rau koj qhov project muaj kev nyab xeeb thiab ua haujlwm zoo.
Koj tuaj yeem nrhiav tau txoj cai relay rau koj txoj haujlwm los ntawm kev ua raws li qee cov kauj ruam yooj yim. Pib los ntawm saib seb ntau npaum li cas voltage thiab tam sim no koj cov kev xav tau. Xav txog dab tsi ntawm cov thauj koj yuav tswj hwm. Tom qab ntawd, ua kom cov relay yuav haum rau hauv koj qhov chaw ua haujlwm. Nco ntsoov saib cov relay cov specs thiab xav txog qhov chaw koj yuav siv nws. Siv daim ntawv txheeb xyuas los pab koj kom tsis txhob ua yuam kev:
- Nco ntsoov tias cov coil voltage thiab kev ntsuas sib tiv tauj yog qhov tseeb
- Saib yog tias lub relay tuaj yeem tswj hwm tawm tam sim no
- Kuaj xyuas koj cov xaim thiab thauj khoom yuav ua haujlwm nrog cov relay
Nco ntsoov xyuas txhua qhov kev ntsuam xyuas thiab nyeem cov datasheets los ntawm cov khoom lag luam zooCov. Qhov no pab nres teeb meem thiab ua raws li koj qhov project nyab xeeb.
Cov FAQ
Yuav ua li cas kuv thiaj paub tias kuv relay yog me me rau kuv qhov project?
Yog tias koj cov relay tau kub, ua rau nyem nrov, lossis tsum tsis ua haujlwm, nws yuav yog me me. Nco ntsoov xyuas qhov hluav taws xob thiab cov kev ntsuas tam sim no. Xaiv lub relay nrog tsawg kawg 20% ntau dua li koj cov kev xav tau.
Kuv puas tuaj yeem siv cov relay cheil voltage hauv kuv Circuit Court?
Tsis tau. Koj yuav tsum phim cov relay chev voltage rau koj txoj kev tswj hluav taws xob voltage. Siv cov kev siv hluav taws xob tsis raug tuaj yeem ua kom puas cov relay lossis ua kom nws tsis hloov. Txhua zaus yuav tsum tau kuaj ua ntej koj yuav.
Yuav muaj dab tsi tshwm sim yog tias kuv tsis quav ntsej tawm tshiab tam sim no?
Tsis quav ntsej nroo tawm tam sim no tuaj yeem ua rau relay sib cuag los lo los yog hlawv. Cov motors thiab cov teeb feem ntau muaj cov nthwv dej siab. Nco ntsoov xyuas qhov kev ntsuam xyuas nce hauv cov relay's datasheet.
Kuv puas xav tau lub rooj sib faib sib khi rau cov phiaj xwm sab nraum zoov?
Yog lawm, koj yuav tsum siv aKaw relay rau sab nraum zoovlossis chaw plua plav. Kaw cia Relay ua kom dej tawm, hmoov av, thiab av. Qhov no pab koj cov xa tawm ntev dua thiab ua rau koj qhov project nyab xeeb.
Kuv tuaj yeem txuas cov kev xaiv relay ntxiv li cas?
Ua ib lub rooj nrog koj qhov project cov kev xav tau thiab cov relay specs. Piv txwv li: