Koj yuav tsum ua raws li cov kauj ruam kom pom tseeb rau kev ntsuas kev xa tawm. Qhov no pab koj cov cuab yeej ua haujlwm tau zoo. Thaum koj ua tus xa ntawv xa mus rau ib kauj ruam ib zaug, koj kuaj yog tias lawv tiv thaiv koj lub zog hluav taws xob. Cov txheej txheem mimics muaj teeb meem hluav taws xob tiag tiag thiab cov cim sib txawv. Qhov no tso cai rau koj saib seb koj cov lus xa tawm tuaj yeem hloov cov xwm txheej nyuaj thiab tswj hwm kev nyab xeeb.
|
Kuaj nam |
Kev piav txog |
|---|---|
|
Lub hom phiaj |
Txheeb xyuas seb kev tiv thaiv zoo li cas ua haujlwm thiab lawv yog li cas. |
|
Txojkev |
Mim cov teeb meem hluav taws xob tiag tiag thiab hloov teeb liab. |
|
Qho kawg |
Saib kom muaj zog tuaj yeem tiv thaiv lub zog hluav taws xob hauv ntau qhov xwm txheej, txo qhov kev pheej hmoo ntawm kev ua tsis tiav. |
|
Tseem ceeb |
Pab cov khoom siv nyob twj ywm txhim khu kev qha thiab ua kom muaj kev nyab xeeb lub tshuab ua haujlwm zoo. |
Yog tias koj siv cov txheej txheem ncaj qha, koj tuaj yeem yooj yim kev ntsuam xyuas thiab txheeb xyuas kev rov qab.
Tseem Ceeb Takaways
Kev kuaj xyuas rov mus txog ib kauj ruam los ntawm kauj ruam kom cov khoom siv kom nyab xeeb thiab ua haujlwm zoo.
Siv cov cuab yeej tseem ceeb zoo li tus multimeter los kuaj cheeil tsis kam thiab txuas ntxiv. Qhov no pab ua kom ntseeg tau txoj haujlwm zoo.
Tso kev nyab xeeb ua ntej los ntawm cov kev cai ua raws li thiab hnav cov iav kev nyab xeeb. Qhov no pab kom nres cov xwm txheej thaum kuaj.
Saib rau repays kom zoo kom pom kev puas tsuaj lossis cov kav hlau xoob ua ntej kev sim.
Kuaj muab ntau zaus ua ntej kev txhim kho, tom qab hloov kho dua tshiab, thiab thaum lub sijhawm saib xyuas. Qhov no pab nrhiav teeb meem thaum ntxov.
Cov cuab yeej thiab kev nyab xeeb rau Relay kuaj
Cov cuab yeej tseem ceeb xeem
Koj xav tau cov cuab yeej tshwj xeeb los mus sim ncua. Ib tug neeg nplua nuj yog qhov tseem ceeb heev. Thaum xaiv tus multimeter, kos rau tej no:
DC voltage ntau pab nrog kev tswj cov voj voog.
Kuj muaj ntau yam cia koj txheeb xyuas cov kauj.
Kev sim txuas ntxiv ua rau lub suab beep yog tias txuas nrog.
Diode ntsuas cov tshev yog tias cov kauj yog noj qab nyob zoo.
RMS tseeb muab cov kev nyeem ntau ntxiv.
Kev nyab xeeb qeb Kev ntsuas (zoo li CAT III 600V) ua rau koj muaj kev nyab xeeb.
Nws yuav tsum ua raws cov cai xws li iec 61010-1.
Nws yuav tsum yog qhov tseeb rau voltage thiab kuj.
Kev tsim kho kom zoo thiab muaj kev tiv thaiv muaj txiaj ntsig.
PC kev txuas lossis cov ntaub ntawv nkag mus pab nrog cov tshev ntxiv.
Koj yuav tsum tau txais kev txhawb nqa zoo thiab yooj yim - rau - nrhiav qhov chaw.
Kev daig duab qhia qhia tias yuav muaj pes tsawg pins tau teeb tsa. Cov ntaub ntawv no pab koj pom tias yuav muab cov cim hluav taws xob me me los tswj cov dej ntws loj. Koj tuaj yeem saib ntawm cov duab kos kom pom cov sib tham sib txawv. Qhov no pab koj nrhiav tau teeb meem sai dua.
Kev ceev faj kev nyab xeeb
Nyob ruaj ntseg yog qhov tseem ceeb heev thaum kev kuaj ncua. Koj yuav tsum ua raws cov cai kev nyab xeeb los tiv thaiv koj tus kheej thiab koj cov cuab yeej. Cov lus hauv qab no teev qee cov kev cai tseem ceeb thiab lawv yuav them li cas:
|
Lub hom phiaj |
Kev piav txog |
|---|---|
|
IEEE C37 Series |
Qhia yuav ua li cas rov qab yuav ua haujlwm thiab ntsuas lawv li cas. |
|
IEC 60255 Series |
Muab cov kauj ruam rau kev sib tw xa rov qab thiab ua - hauv qhov seem. |
|
Xeem lus |
Cov npe xaiv qib, qib qeeb, sijhawm mus ncig, pib dua, thiab raug. |
Koj kuj yuav tsum tau saib xyuas kom muaj kev phom sij. Cov lus hauv qab no qhia qee qhov kev phom sij thiab yuav ua li cas kom muaj kev nyab xeeb:
|
Kev Nyab Xeeb Kev Nyab Xeeb |
Kev Siv Hluav Taws Xob |
|---|---|
|
Hluav Taws Xob |
Hnav cov hnab looj tes insulated thiab iav txoj cai. |
|
ARC Flashes |
Ua raws li cov kauj ruam kev nyab xeeb thiab hnav cov iav ruaj ntseg. |
|
Tsis muaj kev ntsuas kev pheej hmoo |
Txheeb xyuas cov kev pheej hmoo ua ntej koj pib kuaj. |
|
Cov Ntaub Ntawv Tsis Zoo |
Kawm koj lub kaw lus kaw lus thiab relay chaw. |
Cov lus qhia: Nco ntsoov xyuas koj cov cuab yeej thiab chaw ua haujlwm ua ntej koj pib. Qhov no pab kom nres cov xwm txheej thiab ua rau koj txoj haujlwm zoo dua.
Kev Ntsuam Xyuas Kev Pom
Txheeb xyuas kev puas tsuaj
Saib ntawm lub relay ua ntej koj sim nws. Siv koj lub qhov muag thiab lub teeb nyem. Qhov no pab koj nrhiav teeb meem thaum ntxov. Txheeb xyuas cov kab nrib pleb lossis tawg. Saib rau kev hlawv cov xim lossis cov xim coj txawv txawv. Nco ntsoov tias txhua tus pins yog nruj thiab tsis xoob. Yog tias koj pom kev puas tsuaj, tsis txhob siv cov relay. Bom belays tuaj yeem tsoo cov khoom siv lossis ua rau muaj kev txaus ntshai. Nrhiav teeb meem thaum ntxov tuaj yeem nres teeb meem loj dua.
TSWV YIM: Tshawb xyuas ob qho tib si sab saum toj thiab hauv qab ntawm lub relay. Kev puas tsuaj tuaj yeem nkaum hauv cov chaw uas koj tsis xav tau.
Qhia Txog Cov Khoom Siv Hluav Taws Xob
Koj yuav tsum paub dab tsi txhua tus PIN ua ntej kev sim. Repays muaj cov pin sib txawv. Siv cov ntaub ntawv pov thawj kom paub txog cov pins. Saib rau cov ntawv lo rau ntawm lub relay. Koj tuaj yeem siv cov tshuaj sib ntxiv los kuaj cov kev sib txuas. Cov lus hauv qab no qhia cov kev txheeb ze thiab cov hau kev mus nrhiav pins:
|
Repay hom |
Tus PIN Kev teeb tsa |
Kev Qhia Tawm |
|---|---|---|
|
Dpdt |
Pins 1 thiab 2 (coil) |
Sab laj rau datasheet |
|
Pins 3 thiab 4 (com1 thiab com2) |
Siv relay labeling |
|
|
PIN 5 thiab 6 (NO1 thiab NOT2) |
Kev Ntsuas Ntxiv |
|
|
PINS 7 THIAB 8 (NC1 thiab NC2) |
Nkag siab relay cim |
|
|
Kev Saib Xyuas Kev Pom |
Nco ntsoov xyuas tus lej PIN ua ntej koj txuas dab tsi. Qhov no ua rau koj qhov kev sim siab thiab muaj tseeb.
Cov Txheej Txheem Kev Ntsuas Cov Txheej Txheem
Coil tsis kam xeem
Pib los ntawm kev kuaj xyuas cov coil tsis kam. Qhov no pab koj paub yog tias cov roj relay ua haujlwm. Ua raws li cov kauj ruam no:
Siv daim duab xaim hluav taws xob kom pom cov coil terminals.
Nco ntsoov tias cov relay tsis muaj zog.
Teem koj qhov ntau sibcimeter rau Ohms (ω).
Kov cov ua rau lub coil terminals.
Saib nyeem ntawv. Ib co coil qhia tus lej uas tsis xoom lossis "ol" (dhau qhov txwv).
Piv koj nyeem nrog cov txiaj ntsig hauv qab no.
|
Repay hom |
Coil Kuj (Ohms) |
Tam sim no (a) |
Kev Siv Fais Fab (W) |
|---|---|---|---|
|
10A 12V DC Relay |
120 |
0.1 |
1.2 |
|
12vdc10a pob tshab relay |
Zoo rau |
10 |
N/A |
|
Tus Qauv Mini 12VDC Relay |
Ua tib zoo engineered |
10 |
N/A |
|
12Vdc pob tshab relay |
Txawv los ntawm kev tsim qauv |
N/A |
N/A |
TSWV YIM: Yog tias koj pom xoom lossis "Ol," tus cheil yuav tawg. Koj yuav tsum tau txais ib lub relay tshiab.
Hu Xov Xwm Txuas Ntxiv
Kuaj xyuas yog tias cov neeg xa khoom qhib qhib thiab kaw txoj cai. Siv hom txuas ntxiv ntawm koj multometer. Ntawm no yog li cas:
Tig koj multimeter rau hom txuas ntxiv. Nws yuav ua kom muaj kev ua tiav Circuit Court.
Rau ib tug 5-tus lej relay, kov probes rau pin 30 thiab tus lej PIN 87A. Lub ntsuas kev yuav tsum tau ua. Qhov no txhais tau tias cov nquag kaw kev sib txuas ua haujlwm.
Kov Proves rau Pin 30 thiab Pin 87. Lub ntsuas ntsuas yuav tsum tsis txhob beep. Qhov no txhais tau tias cov ib txwm qhib kev sib txuas yog qhib.
Yog tias koj hnov beep ntawm pin 30 thiab tus lej PIN 87 thaum cov relay yog tawm, tus relay tsis zoo.
Txuas cov 9V roj teeb rau coil pins (pin 86 thiab pin 85). Mloog tus nias. Qhov no txhais tau tias cov haujlwm relay.
Nrog lub zog ntawm, kov probes rau pin 30 thiab tus lej PIN 87. Lub ntsuas ntsuas yuav tsum tau ua. Qhov no txhais tau tias lub Circuit Court raug kaw.
Rau ib tug 5-tus lej relay, check pin 30 thiab tus lej PIN 87A dua. Lub ntsuas ntsuas yuav tsum tsis txhob beep. Qhov no txhais tau tias cov nquag kaw Circuit Court yog qhib.
NCO TSEG: Yog tias koj tsis tau hnov nias lossis kev nyeem ntawv tsis raug, cov relay yuav muaj kev tiv toj vuam, pitting, lossis teeb meem txhua yam.
Hauv - Circuit Court Regay Kev Ntsuas
Koj tuaj yeem sim ncua cia tsis tau coj lawv tawm. Qhov no txuag sijhawm thiab qhia tau tias cov relay ua haujlwm hauv lub neej tiag tiag. Nov yog qee cov lus qhia:
Siv cov cuab yeej zoo li lub bartol mag - sojntsuam rau kev soj ntsuam yooj yim. Koj tsis tas yuav unscrew lossis desolder dab tsi.
Lub Mag - Kev sojntsuam pab koj paub yog tias qhov teeb meem hluav taws xob lossis tshuab.
Koj tuaj yeem siv cov cuab yeej no nyob rau ntau qhov chaw, txawm tias cov pob tawv tawv zoo li roj thiab roj.
Cov tuam txhab loj siv cov cuab yeej no vim tias nws ua haujlwm tau zoo hauv qhov chaw kub lossis txias.
|
Txoj Kev Kuaj |
Cov yam ntxwv |
Kev Pom Zoo |
|---|---|---|
|
Hauv - kev ntsuas Circuit Court |
Ntsuam xyuas cov cuab yeej hauv nws qhov kev sib tw tiag, qhia tiag - kev ua haujlwm. |
Tej zaum yuav muab qhov tseeb zoo dua vim tias koj pom cov xwm txheej tiag tiag thiab cov khoom ua haujlwm li cas ua ke. |
|
Kev Ntsuas Zaum |
Ua hauv qhov chaw tswj tau, feem ntau yog tsis muaj tag nrho cov kab ke. |
Tej zaum yuav nco tej yam uas tshwm sim hauv lub neej tiag tiag, yog li qhov tseeb tuaj yeem txo qis. |
TSWV YIM: Hauv {- Circuit Reghate Kev Ntsuas Feem ntau vim koj pom yuav ua li cas cov relay ua haujlwm nrog lwm qhov.
Kev Txhais Lus Cov Ntsiab Lus
Koj yuav tsum paub tias koj cov lus nyeem sib thooj li cas. Ntawm no yog cov cim nrhiav rau:
Teeb koj multimeter rau hom kev sim txuas ntxiv.
Rau ib txwm kaw (NC) cov neeg:
Tso cov kev sim ntawm NC cov chav kawm. Lub motatesateter yuav tsum tau greep.
Tig rau relay. Lub multimeter yuav tsum nres beeping.
Rau ib txwm qhib (tsis muaj) tiv tauj:
Tso cov phiaj xwm ntawm tsis muaj kev txiav. Pultimeter yuav tsum tsis txhob geep.
Tig rau relay. Lub motatesateter yuav tsum tau greep.
Yog tias koj cov txiaj ntsig tsis meej, sim cov tswv yim no:
|
Ntaus tswv yim |
Kev piav txog |
|---|---|
|
Nruam Kev Txhim Kho |
Siv qhov koj kawm los ntawm kev ua yuam kev los kuaj kom zoo dua. |
|
Kev tswj hwm ua ntej |
Ua haujlwm nrog lwm tus thiab khaws cov ntaub ntawv zoo los pab kev ntseeg tau. |
|
Kev tshawb nrhiav kom tiav |
Kuaj dua thiab khij cov ntawv kom pom tias muaj dab tsi tshwm sim. |
|
Kev Sib Txuas Lus |
Qhia qhov koj pom thiab koj cov lus teb nrog koj pab neeg. |
|
Txoj hauv kev zoo |
Cov teeb meem thiab kev kawm teeb meem los ua kom koj sim dua. |
Kev hu xov tooj: Nco ntsoov sim dua yog tias koj pom cov txiaj ntsig coj txawv txawv. Kev soj ntsuam zoo yuav pab koj nrhiav teeb meem thaum ntxov thiab ua kom koj lub cev muaj kev nyab xeeb.
Relay daws teeb meem thiab ua tsis tiav
Cov Teeb Meem Ntau
Kev caij nyoog tuaj yeem nres ua haujlwm ntau yam. Qhov no nyob ntawm qhov lawv tswj hwm thiab qhov uas lawv tau siv. Ib txhia rippays ua haujlwm nrog lub peev xwm capacitive, teeb, lossis cov tshuab raj. Txhua hom muaj nws cov teeb meem. Cov lus hauv qab no teev qee yam ua tsis tiav:
|
Hom Load |
Qhia Txog Kev Ua Haujlwm |
|---|---|
|
Lub peev xwm thauj |
Siab inrrush tam sim no thaum them yuav ua rau muaj kev sib cuag hnyav los yog vuam ua tsis tiav. |
|
Teeb teeb txawb |
Inrush tam sim no tuaj yeem nce mus txog 15 zaug ntawm -}}}}}}}}} Kev tiv tauj kev tiv thaiv kev xeb lossis vuam. |
|
Lub cev muaj zog thauj |
Qhov loj tshaj plaws tam sim no thaum pib tuaj yeem ua rau arcing thiab xav tau rwb thaiv tsev rwbooj los tiv thaiv ntau dhau. |
Lwm yam kuj tuaj yeem ua rau muaj kev ntseeg siab tsawg. Koj yuav tsum saib xyuas rau cov no:
Qhov kub hloov tuaj yeem ua rau qhov chaw nthuav dav lossis ntsws.
Cov av noo tuaj yeem cia cov dej tau sab hauv thiab ua teeb meem.
Electromagnetic cuam tshuam los ntawm lwm cov tshuab tuaj yeem ua rau kev rov ua haujlwm.
Siab siab txhais tau tias tsawg huab cua, yog li arcs nyuaj rau nres.
Kev co los yog kev poob siab tuaj yeem ua rau cov neeg sib tham relay txav lossis tsis ua haujlwm sab xis.
Cov tub sab qub yuav tsis ua haujlwm raws li lawv yuav tsum tau. Tej zaum lawv yuav tsis mus ncig thaum xav tau lossis taug kev yooj yim heev. Yog tias cov chaw tsis raug, rov hais dua tuaj yeem tawm tsam tsis muaj laj thawj. Qee zaum, kev caij tsheb tsis ua haujlwm zoo. Qhov no tuaj yeem ua rau lub zog loj.
TSWV YIM: Kuaj koj cov khoom xa tawm ntau zaus. Qhov no pab koj pom teeb meem ua ntej lawv yuav mob heev dua.
Yuav ua li cas yog tias relay poob
Yog tias repay nres ua haujlwm, koj xav tau txoj kev npaj. Ntawm no yog cov kauj ruam los pab koj kho nws:
Kawm dab tsi relay yuav tsum ua.
Tshawb nrhiav tus qauv relay thiab nws cov chaw.
Kuaj xyuas yog tias lub relay muaj lub zog zoo thiab cov xov hlau nruj.
Nco ntsoov tias cov chaw yog txoj cai rau koj lub cev.
Saib ntawm cov tswv yim thiab cov xov hlau tso zis kom pom tias lawv txuas nrog.
Txheeb cov ntaub ntawv lossis cov cav kom pom cov qauv.
Siv kev txhaj tshuaj thib ob kom pom cov relay ua nrog kev ua txhaum cuav.
Saib seb cov relay ua haujlwm nrog lwm relays.
Nug cov kws txawj lossis nyeem phau ntawv qhia yog tias koj xav tau kev pab.
Sau qhov koj pom thiab koj kho nws li cas.
Koj tseem tuaj yeem kawm ua tsis tau tejyam kom tsis nco qab los nres cov teeb meem yav tom ntej. Sim ua kom luv luv ntawm ntug kev thiab kos lub sijhawm - nkhaus tam sim no. Siv kev xa cov lej thiab saib cov duab kos duab. Cov kauj ruam no pab koj lub cev ua haujlwm zoo dua thiab ntev dua. Lawv kuj ua kom nws muaj kev nyab xeeb thiab yooj yim dua kom loj hlob koj lub system.
NCO TSEG: Ua tib zoo saib xyuas thiab kawm pab koj nres teeb meem ntxiv thiab ua kom koj lub cev muaj kev nyab xeeb.
Yog tias koj tau kuaj xyuas cov kauj ruam ntxiv los ntawm kauj ruam, koj lub system ua haujlwm zoo dua. Txheeb xyuas cov nyiaj feem ntau yuav pab koj nrhiav teeb meem thaum ntxov. Qhov no tuaj yeem txuag nyiaj rau kev kho. Txoj hauv kev zoo los kuaj cov khoom qab yog qhov ntsuas ntshav tawm, kuaj yog tias lawv ua haujlwm, thiab sau ntawv cov txiaj ntsig. Tso npe ntev dua yog tias koj xaiv txoj cai, tsis txhob hloov lawv ntau dhau, thiab siv SURGE tiv thaiv.
|
Cov Sijhawm Pom Zoo rau Kev Tshuaj Ntsuam Relay |
|---|
|
Ua ntej hloov ntawm kev hloov tshiab |
|
Tom qab cov txheej txheem hloov kho lossis hloov pauv |
|
Thaum lub sijhawm kawm ntawv ib xyoos |
|
Ua raws li kev txhaum lossis cov xwm txheej tseem ceeb |
Npaj cov kev kuaj xyuas tsis tu ncua kom koj cov khoom siv kom nyab xeeb thiab ua haujlwm zoo.
Cov FAQ
Koj yuav tsum tau mus kuaj breakfej ntau npaum li cas?
Koj yuav tsum kuaj kom rov qab ua ntej pib cov khoom siv tshiab, tom qab hloov kho tshiab, thaum lub sijhawm txij nkawm, thiab tom qab ib qho kev txhaum loj. Cov tshev tsis tu ncua pab tau koj ntes cov teeb meem ntxov thiab ua kom koj lub cev muaj kev nyab xeeb.
Cov cuab yeej twg koj xav tau rau kev soj ntsuam relay?
Koj xav tau mulitional animeter, ntaub xaim hluav taws xob, thiab qee zaum ib qho mag - sojntsuam. Cov cuab yeej no pab koj tshawb xyuas coil kuj, kev sib cuag, thiab kev ua haujlwm relay. Txhua zaus siv cov cuab yeej uas ua tau raws li cov qauv kev nyab xeeb.
Koj tuaj yeem kuaj ib qho relay yam tsis tshem nws ntawm Circuit Court?
Yog lawm, koj tuaj yeem siv hauv - Circuit Court Kuaj cov cuab yeej zoo li lub mag- sojntsuam. Txoj kev no qhia koj pom tias cov relay ua haujlwm hauv cov xwm txheej tiag. Koj txuag lub sijhawm thiab zam kom tsis txhob cov kauj ruam ntxiv.
Nws txhais li cas yog tias koj relay tsis nyem?
Yog tias koj relay tsis nyem, cov kauj yuav tawg lossis cov relay yuav tsis tau txais lub hwj chim. Txheeb xyuas cov coil tsis kam thiab xaim. Hloov lub relay yog tias koj pom kev puas tsuaj.
Kuj
Koj tuaj yeem txheeb tau li cas thiab txo lub suab nrov hauv koj lub voj voog
Vim li cas thiaj li rov qab ua haujlwm ntau rau lub cev pib thiab kev tiv thaiv?
Uas yog qhov ntsaws zoo dua - hauv relay lossis pcb relay rau koj qhov project
Yuav ua li cas phim cov khoom khov kho - lub xeev relay tsis muaj qhov yuav tsum tau ua