Relay ua dab tsi hauv lub tsheb?

I. Kev Taw Qhia

Automotive relayyog ib qho tseem ceeb ntawm lub tsheb lub tshuab hluav taws xob. Lawv ua raws li cov keyboards uas tswj cov dej ntws ntawm hluav taws xob mus rau ntau qhov chaw ntawm lub tsheb, xws li lub teeb, cua txias, thiab lub horn. Automotive relay yog lub luag haujlwm rau kev tswj cov qib fais fab, tswj cov hluav taws xob tam sim no, thiab ua tiav cov haujlwm logic ua kom lub tsheb khiav zoo. Nyob rau hauv tsab xov xwm no, peb yuav muab ib qho kev piav qhia txog dab tsi relays ua nyob rau hauv ib lub tsheb, ntau hom relays, thiab yuav ua li cas kuaj pom cov teeb meem nrog automotive relay nyob rau hauv ib lub tsheb. Thaum kawg ntawm tsab xov xwm no, koj yuav muaj kev nkag siab zoo txog qhov tseem ceeb ntawm automotive relay hauv lub tsheb hluav taws xob.

II. Relay ua dab tsi hauv lub tsheb?

Relays ua lub luag haujlwm tseem ceeb hauv lub tsheb hluav taws xob, tshwj xeeb tshaj yog thaum nws los tswj cov hluav taws xob siab tam sim no. Lawv ua raws li cov hluav taws xob hloov hluav taws xob, tso cai rau cov hluav taws xob qis tam sim no los tswj cov hluav taws xob tam sim no kom muaj zog sib txawv ntawm lub tsheb. Piv txwv li, thaum koj qhib koj lub teeb taub hau, qhov hluav taws xob qis tam sim no ua rau lub zog hluav taws xob relay, uas tsim ib qho chaw sib nqus uas kaw cov kev sib cuag relay, tso cai rau hluav taws xob ntws mus rau lub teeb taws.

Tsis zoo li cov keyboards, relays tso cai rau kev tswj ntawm ntau lub circuits nrog ib qho kev hloov lossis tswj module. Relays tuaj yeem yog ib txwm qhib (NO) lossis ib txwm kaw (NC), thiab tuaj yeem siv rau ntau yam kev siv, xws li tswj lub tsheb lub horn.

Relays ua hauj lwm los ntawm kev siv ib tug tswj Circuit Court los tsim ib tug magnetic teb uas rub los yog thawb ib txheej ntawm relay hu. Thaum cov dej ntws tam sim no, nws rub cov neeg sib cuag ua ke, tso cai rau lub zog hluav taws xob ntws. Thaum lub kauj yog de-energized, lub magnetic teb vau, cia cov neeg sib cais thiab rhuav cov hluav taws xob kev twb kev txuas.

Zuag qhia tag nrho, relays yog cov khoom tseem ceeb hauv lub tsheb hluav taws xob, tso cai rau kev tswj hwm ntawm ntau lub voj voog nrog ib qho kev hloov pauv lossis tswj module.

III. Hom automotive relays

Muaj ntau ntau hom automotive relay uas feem ntau siv hauv tsheb. Nov yog qee yam ntawm ntau hom relays thiab lawv cov haujlwm:

Nquag qhib relay (NO): Hom relay no qhib thaum lub kauj tsis muaj zog, thiab kaw thaum lub kauj yog lub zog. Nws feem ntau yog siv rau kev tswj cov kab hluav taws xob siab tam sim no, xws li lub tsheb lub teeb taub hau lossis horn.

Nquag kaw relay (NC): Hom relay no raug kaw thaum lub kauj tsis muaj zog, thiab qhib thaum lub kauj yog energized. Nws yog feem ntau siv rau kev tswj cov hluav taws xob qis tam sim no, xws li cov uas pom nyob rau hauv cov chaw taws teeb hloov chaw lossis cov hloov hauv kab.

Hloov pauv relay: Hom relay no muaj ob pawg sib txuas thiab tuaj yeem siv los hloov ntawm ob lub voj voog, suav nrog ib txwm qhib relay thiab ib txwm kaw relay. Nws yog feem ntau siv los tswj lub tsheb lub tshuab cua txias lossis kiv cua motors.

Ib Tug Ncej Ob Tug Throw (SPDT) relay: Hom relay no muaj ib qho qhib kev sib cuag thiab ib qho kev sib cuag kaw. Nws yog feem ntau siv rau kev tswj lub zog ntws hauv DC systems, xws li cov uas pom hauv lub tshuab hluav taws xob.

Micro relay: Hom relay no yog ib qho me me relay uas feem ntau siv nyob rau hauv lub qhov rais tsis siv neeg los yog lub teeb auxiliary.

Txhua hom relay ua haujlwm sib txawv thiab siv rau kev siv sib txawv hauv lub tsheb. Kev nkag siab txog ntau hom relays thiab lawv cov dej num tuaj yeem pab txheeb xyuas cov teeb meem nrog lub tsheb hluav taws xob.

IV. Tej teeb meem nrog automotive relays

Zoo li txhua yam khoom siv hluav taws xob, tsheb relays tuaj yeem ua tsis tau lossis muaj teeb meem. Nov yog qee qhov teeb meem tshwm sim nrog automotive relays:

Relay tsis ua hauj lwm: Thaum lub sij hawm, cov kev sib cuag nyob rau hauv tawg relays yuav hnav los yog puas, ua rau tsis ua hauj lwm. Ib qho kev cuam tshuam tsis zoo tuaj yeem ua rau muaj ntau yam teeb meem, xws li kev ua haujlwm tsis zoo, kev ua haujlwm tsis sib xws, lossis ua rau muaj kev puas tsuaj rau lwm yam hauv lub tsheb hluav taws xob.

Voltage spikes: Thaum lub relay raug kaw, qhov chaw sib nqus sib nqus thiab tuaj yeem tsim kom muaj qhov hluav taws xob loj hauv Circuit Court. Qhov hluav taws xob hluav taws xob no tuaj yeem ua rau lwm yam khoom hauv Circuit Court, xws li cov tswj module lossis lub relay coil nws tus kheej.

Yog li, yuav ua li cas thaum lub relay mus tsis zoo? Cov tsos mob tuaj yeem sib txawv nyob ntawm qhov tshwj xeeb Circuit Court thiab daim ntawv thov, tab sis qee cov cim qhia ntawm qhov tsis zoo relay suav nrog:

Tsis siv neeg Circuit Court: Yog hais tias lub tsheb relay ua tsis tau, lub Circuit Court nws tswj yuav tsum tsis ua hauj lwm tag nrho.

Kev ua haujlwm tsis sib xws: Ib qho kev cuam tshuam tsis zoo yuav ua rau lub voj voog ua haujlwm tsis tu ncua lossis tsuas yog nyob rau qee yam xwm txheej.

Nyem lub suab: Thaum lub relay yog lub zog, nws yuav tsum tsim lub suab nrov nrov. Yog hais tias lub relay ua tsis tau tejyam, nws yuav ua tau ib tug clicking suab tsis tu ncua los yog tsis tag nrho. tsim ib

Burnt lossis melted hu: Nyob rau hauv qhov xwm txheej hnyav, qhov tsis zoo relay yuav ua rau cov neeg sib cuag los yog yaj, ua rau muaj kev puas tsuaj rau lwm yam hauv Circuit Court.

Kev saib xyuas tsis tu ncua thiab tshuaj xyuas ntawm cov relays tuaj yeem pab tiv thaiv cov teeb meem thiab ntes lawv thaum ntxov.

V. Yuav ua li cas txheeb xyuas qhov phem relay hauv lub tsheb

Yog tias koj xav tias qhov relay hauv koj lub tsheb tsis zoo, muaj ob peb kauj ruam uas koj tuaj yeem ua rau kuaj pom qhov teeb meem:

Mloog rau clicking:

Thaum koj qhib cov khoom siv tswj hwm los ntawm relay, xws li lub teeb taws lossis lub tshuab cua txias, mloog lub suab nyem los ntawm lub relay so. Lub suab no qhia tau hais tias lub relay tau muaj zog thiab yuav tsum ua haujlwm zoo.

Xyuas lub fuse:

Ua ntej kuaj lub relay nws tus kheej, xyuas lub fuse rau lub Circuit Court uas nws tswj. Lub tshuab hluav taws xob tuaj yeem ua rau cov tsos mob zoo sib xws rau qhov tsis zoo relay.

Sib pauv nrog tus paub zoo relay: 

Yog tias koj muaj lwm tus relay hauv koj lub tsheb uas koj paub tias ua haujlwm zoo, hloov nws nrog tus neeg raug liam relay. Yog hais tias cov khoom pib ua hauj lwm zoo, koj tau txheeb xyuas qhov faulty relay.

Test nrog ib tug multimeter:

Yog tias koj muaj multimeter, koj tuaj yeem sim cov relay ncaj qha. Teem lub multimeter rau qhov chaw ohms thiab kov cov probes rau cov neeg sib txuas lus. Koj yuav tsum pom qhov kev nyeem ntawm xoom ohms thaum lub relay muaj zog thiab tsis muaj zog thaum nws tsis yog.

Los ntawm kev ua raws li cov kauj ruam no, koj tuaj yeem kuaj xyuas qhov tsis zoo ntawm koj lub tsheb thiab ua cov kauj ruam los hloov nws lossis yuav tib lub relay ua ntej nws ua rau muaj kev puas tsuaj ntxiv.

VI. Dab tsi ua rau lub relay ua tsis tiav?

Relays yog tsim los ua kom ntev thiab kav ntev, tab sis lawv tseem tuaj yeem ua tsis tau raws sijhawm. Nov yog qee qhov laj thawj ntawm kev tsis ua haujlwm relay:

Hnub nyoog:

Zoo li feem ntau cov khoom siv hluav taws xob thiab hluav taws xob, ntau lub relays thaum kawg yuav ploj mus dhau sijhawm. Qhov ntau dua siv relay, qhov ntau dua nws yuav ua tsis tiav.

Raug rau qhov kub thiab txias:

Automotive relays feem ntau nyob rau hauv lub cav compartment, qhov twg lawv tuaj yeem raug kub hnyiab tau. Nyob rau tib lub sijhawm, qhov cua sov no tuaj yeem ua rau cov khoom siv hluav taws xob ua kom tawg thiab ua tsis tiav.

Qhov Voltage Spikes:

Voltage spikes, uas tuaj yeem tshwm sim thaum lub relay qhib lossis kaw, tuaj yeem ua rau cov neeg sib txuas lus puas thiab ua rau nws tsis ua haujlwm.

Overloading:

Yog hais tias ib tug relay siv los tswj lub Circuit Court uas nqus tam sim no ntau dhau, nws tuaj yeem ua rau kub dhau thiab ua tsis tiav.

Tsis zoo installation:

Yog hais tias lub relay tsis raug ntsia kom raug, nws tuaj yeem raug puas los yog ua haujlwm tsis zoo.

Txhawm rau tiv thaiv relay tsis ua haujlwm, nws yog ib qho tseem ceeb ua raws li cov lus qhia no:

Sivzoo relays:

Xaiv qhov zoo tshaj plaws relay tuaj yeem pab xyuas kom meej tias nws yuav kav ntev dua thiab ua haujlwm zoo.

Khaws relays txias: 

Thaum twg ua tau, mount relays nyob rau hauv qhov chaw uas lawv yuav raug tshav kub tsawg.

Siv cov relay tsim nyog rau lub voj voog:

Nco ntsoov xaiv lub relay uas muaj qhov ntsuas tam sim no txaus los tswj lub voj voog uas nws yuav tswj tau.

Ua raws li cov txheej txheem installation kom raug: 

Nco ntsoov ua raws li cov chaw tsim khoom cov lus qhia thaum txhim kho lub relay kom tsis txhob ua rau nws puas.

Los ntawm kev ua raws li cov lus qhia no, koj tuaj yeem pab tiv thaiv kev cuam tshuam tsis ua haujlwm thiab xyuas kom koj lub tsheb hluav taws xob ua haujlwm tau zoo rau xyoo tom ntej.

VII. Xaus

Hauv kev xaus, automotive relays ua lub luag haujlwm tseem ceeb hauv lub tsheb. Lawv ua haujlwm ua cov keyboards uas tswj cov qib fais fab thiab ua haujlwm ntau yam ntawm lub tsheb, xws li lub teeb taub hau, lub tshuab cua tshuab, thiab cua txias.

Peb tau tham txog ntau hom tsheb relays, suav nrog ib txwm qhib relays, ib txwm kaw relays, hloov pauv relays, thiab micro relays. Peb kuj tau hais txog cov teeb meem tshwm sim uas tuaj yeem tshwm sim nrog cov relays, xws li voltage spikes thiab tsis ua haujlwm, thiab tau muab cov lus qhia rau kev kuaj mob thiab tiv thaiv cov teeb meem no.

Txhawm rau kawm paub ntau ntxiv txog tsheb relays, cov neeg nyeem tuaj yeem xa mus rau cov peev txheej xws li cov ntaub ntawv chaw tsim khoom lossis sab laj nrog tus kws tshaj lij tsheb uas ntseeg siab. Nws yog ib qho tseem ceeb kom muaj kev nkag siab yooj yim ntawm tsheb relays kom muaj kev nyab xeeb thiab kev ntseeg siab ntawm koj lub tsheb hluav taws xob.