Dab tsi yog relay, nws cov haujlwm, hom thiab kev sib txuas daim duab ntawm lub relay

Lub relay yog ib qho khoom siv hluav taws xob uas tuaj yeem ua tau tswj qhov ntws hluav taws xob hauv Circuit Court. Lub relay tuaj yeem nyob ntawm ib zaug thiab de-energized ntawm lwm qhov. Qhov no tso cai rau lub relay qhib thiab kaw, nrog rau kev cuam tshuam thiab kho cov hluav taws xob circuits.

Tsab ntawv blog no qhia koj yam tseem ceeb tshaj plaws koj yuav tsum paub txog lub relay. Yog li yog tias koj xav paub txog cov relays, nyeem ntxiv!

Lub relay siv rau dab tsi?

relay tuaj yeem ua tau siv nyob rau hauv ntau yam khoom. Piv txwv li, lub tsheb pib muaj ob peb relays uas tswj tej yam xws li roj twj tso kua mis thiab ignition coils.

Lawv kuj yog heev ntau hauv cov khoom siv hauv tsev xws li lub toaster lossis lub tub yees.

Qhov tseeb, feem ntau cov khoom siv hauv tsev niaj hnub muaj coob leej relay. Txawm li cas los xij, nyob rau hauv ntau yam khoom siv thiab tshuab, ib qho relay tsis txaus kom ua tiav lub hom phiaj kawg. Tom qab ntawd lub zog relays tuaj rau hauv kev ua si.

Lub relay ua haujlwm li cas?

Rau ib tug relay ua hauj lwm, nws xav tau peb lub ntsiab Cheebtsam: coil xovyog li ntawd hloov uas tuaj yeem qhib Circuit Court, thiab teeb hu.

Thaum lub relay tsis siv, tam sim no ntws los ntawm coil xov thiab ces rov qab mus rau lub roj teeb. Lub ntsiab tseem ceeb ntawm relay yog qhov hloov, uas tuaj yeem ua tau cuam ​​tshuam qhov no ntws ntawm hluav taws xob. Nws ua qhov no los ntawm kev qhib qee qhov kev sib cuag uas ua txhaum lub voj voog.

Nyob rau hauv lem, thaum cov kev sib cuag no qhib, nws tiv thaiv tam sim no ntawm ntws. ntws ntawm ib lub kauj Sveta. Ntxiv rau qhov kev ua haujlwm no, muaj lwm hom relays uas muaj ntau yam sib txawv xws li kev tswj qhov kub thiab txias los yog kev tiv thaiv kev poob siab rau cov khoom siv rhiab heev.

Peb cia siab tias koj tam sim no nkag siab tias lub relay yog dab tsi.

Nquag qhib thiab ib txwm kaw relays

Feem ntau qhib relays yog keyboards qhib los ntawm lub neej ntawd. Qhov no txhais tau hais tias hluav taws xob tam sim no yuav ntws los ntawm qhov hloov pauv thaum nws nyob hauv txoj haujlwm qhib.

Feem ntau kaw relays, ntawm qhov tod tes, yog keyboards uas kaw los ntawm lub neej ntawd. Qhov no txhais tau hais tias tsis muaj hluav taws xob tam sim no yuav ntws los ntawm qhov hloov pauv thaum nws nyob hauv txoj haujlwm qhib.

Yuav ua li cas txuas ib tug relay?

Thaum txuas lub relay, nws yog ib qho tseem ceeb kom nco ntsoov tias lub relay yuav tsum yog tswj los ntawm kev hloov uas muaj peev xwm lis tam sim no uas tus relay yuav kos. Tsis tas li ntawd, koj yuav tsum muaj ib txoj hauv kev los grounding relay.

Txoj kev yooj yim tshaj plaws los ua qhov no yog kev sib txuas av xaim los ntawm relay mus rau hauv av ntsia hlau ntawm lub chassis.

Thaum kawg, koj yuav tsum xyuas kom meej tias qhov ntsuas hluav taws xob ntawm lub relay yog loj ntau dua los yog sib npaug rau qhov ntsuas hluav taws xob ntawm Circuit Court.

Kawm paub ntxiv txog yuav siv cov relay li cas.

Relay hom

1. Electromagnetic relays
2. Thaiv cov relays
3. Electronic relays
4. Momentary relay
5. Reed relays
6. High voltage relays
7. Small Signal Relay
8. Lub sij hawm ncua relay
9. Multidimensional relays
10. Thermal relays
11. Sib txawv relays
12. Chaw taws teeb relays
13. Automotive relays
14. Ntau zaus relay
15. Polarized Relays
16. Rotary relays
17. Sib npaug relay
18. Hloov coil relay
19. Buchholz relay
20. Kev nyab xeeb relay
21. Tswj relay
22. Lub ntiaj teb txhaum relay

Electromagnetic relays

Electromagnetic relays yog siv nyob rau hauv ntau yam kev siv. Lawv feem ntau pom muaj nyob rau hauv cov khoom siv hauv tsev xws li tub yees, microwave ncu, thiab toasters. Nyob rau hauv cov ntaub ntawv no, feem ntau ib tug relay tswj ntau yam twj paj nruag functions. Kuv

Hauv lwm hom khoom, xws li tsheb lossis tshuab ua haujlwm, ntau lub relays ua haujlwm ua ke kom ua tiav lub hom phiaj. Electromagnetic relays yog ib hom relay uas siv ntau yam khoom siv.

Thaiv cov relays

Nyob rau hauv ib tug latching relay, lub hloov mus rau tswj lub Circuit Court nyob rau hauv lub relay. Thaum lub relay tsis siv, nws raug kaw thiab hluav taws xob ntws los ntawm lub coil ntawm cov xaim thiab rov qab mus rau lub roj teeb, uas ua tiav lub voj voog.

Txawm li cas los xij, thaum lub relay siv los rhuav tshem lub voj voog, nws qhib qee qhov kev sib cuag uas tawg qhov Circuit Court. Raws li tau hais ua ntej, cov kev sib cuag no yog tswj los ntawm kev hloov pauv uas nyob rau hauv lub relay.

Txhawm rau thaiv cov relay ua haujlwm kom raug, yuav tsum muaj txoj hauv kev rau nws txoj haujlwm tam sim no ua haujlwm hauv ob qho tib si. Qhov no tso cai rau koj qhib thiab kaw nws raws li xav tau.

Electronic relays

Cov hluav taws xob relay tuaj yeem pom tau tias yog qhov hloov tshiab rau cov khoom siv hluav taws xob ib txwm muaj. Qhov kom zoo dua ntawm ib qho hluav taws xob relay yog tias nws tuaj yeem tswj tau los ntawm lub teeb liab chaw taws teeb, uas txhais tau hais tias tsuas yog ib qho kev hloov pauv yuav tsum nyob hauv qhov ntsuas. Qhov no tso cai rau txhua qhov kev tswj hwm sab nraud los tswj lub cuab yeej txawm tias nws nyob qhov twg.

Txawm hais tias lawv kim dua li cov relays ib txwm muaj, lawv yooj yim dua rau xaim thiab ua rau kev sim yooj yim dua. Qhov no yog vim hais tias nws tsuas yog yuav tsum tau siv ib qho kev hloov pauv hloov ntawm ob lossis ntau dua, uas tuaj yeem ua rau nws nyuaj rau kev txuas mus rau qee yam khoom siv.

Momentary relay

Momentary relays zoo ib yam li latching relays nyob rau hauv uas lawv ob leeg yuav tsum tau ib tug coil ntawm hlau, ib tug hloov Circuit Court, thiab hu rau qhib lub Circuit Court. Txawm li cas los xij, cov neeg sib cuag tsis nyob twj ywm qhib, tab sis kaw sai li sai tau thaum lub hwj chim tawm.

Cov hom relays no feem ntau siv rau hauv cov ntawv thov uas yuav tsum tau ua kom tiav ib lub voj voog thiab tshem tawm tam sim tom qab ua tiav. Qhov no yog vim li cas cov relays no feem ntau siv nyob rau hauv lub tsheb tswb thiab lub tsheb remotes kom lawv ua hauj lwm txawm tsis muaj roj teeb vim hais tias tsis muaj yuav tsum tau kom muaj ib tug qhib Circuit Court.

Reed relays

Lub reed relay yog zoo ib yam li electromagnetic relay nyob rau hauv uas nws muaj ib tug coil, hu, thiab ib tug hlau nplaum uas ua raws li ib tug hloov mus rau qhib los yog kaw lub Circuit Court.

Txawm li cas los xij, es tsis txhob siv cov hlau nplaum no nyob rau hauv nruab nrab ntawm lub cuab yeej, xws li hauv ib txwm relays, nws nyob ntawm ib kawg ntawm nws. Txhawm rau ua kom tiav lub voj voog, koj tsuas yog yuav tsum txuas ob qhov kawg ntawm lub reed hloov, uas ua rau cov hlau nplaum kov thiab ua kom tiav lub voj voog. Qhov no ua hauj lwm zoo ib yam li ib tug hloov nyob rau hauv uas sai li sai tau raws li kev sib cuag yog ploj, tam sim no ntws thiab yog li ua kom tiav lub Circuit Court.

High voltage relays

High voltage relay yog ib hom relay muaj peev xwm tiv taus siab dua voltages.

Feem ntau, hom relay no muaj cov rwb thaiv tsev ntxiv thoob plaws hauv lub cuab yeej los pab tiv thaiv nws los ntawm kev poob siab tsis xav txog. Qhov no kuj txhais tau hais tias cov relays no tsuas yog tsim nyog siv nyob rau hauv high voltage circuits. Nco ntsoov nrhiav qhov ntsuas hluav taws xob siab ntawm cov khoom ua ntej yuav ib lub relay.

Small Signal Relay

Cov teeb liab me me feem ntau siv nyob rau hauv kev kho mob kev lag luam los tswj qhov voltage ntws. Cov relay keyboards no muaj peev xwm tuav tau ntau qhov qis dua li qhov hluav taws xob siab relays, ua rau lawv muaj kev nyab xeeb dua rau kev siv cov khoom siv rhiab heev.

Qhov tsuas yog downside yog tias cov teeb liab me me relay keyboards loj heev thiab loj, yog li lawv tsis tuaj yeem siv hauv cov khoom siv me me xws li xov tooj ntawm tes.

Lub sij hawm ncua relay

Lub sij hawm ncua relays zoo ib yam li on/off ncua switches nyob rau hauv uas lawv siv ib tug me me tam sim no los tuav lub Circuit Court qhib rau lub sij hawm luv luv.

Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov uas qhov ntsuas yuav tsum tau muab tua thaum hmo ntuj lossis lwm lub sijhawm thaum tsis xav tau.

Multidimensional relays

Multidimensional relay yog ib hom relay uas muaj 3 lossis ntau tus neeg sib cuag thiab tuaj yeem ua tau ntau yam haujlwm.

Hom relay no muaj qhov zoo uas tsuas yog ib qho kev hloov pauv yuav tsum tau ua haujlwm ntau yam, txuag chaw thiab xaim. Qhov no kuj txhais tau hais tias cov khoom feem ntau pheej yig dua li cov relays ib txwm muaj.

Thermal relays

Thermal relays paub tias yog kev tswj tus kheej thiab yog li tsis tas yuav muaj hluav taws xob sab nraud. Qhov kev tsim no muaj cov qauv pheej yig thiab txhim khu kev qha uas tuaj yeem siv rau hauv kev lag luam lossis kev lag luam.

Qhov tsuas yog drawback yog tias thermal relays yog loj thiab yog li tsis haum rau siv nyob rau hauv me me circuits.

Sib txawv relays

Differential relays yog ib qho nthuav hom relay uas muaj ob qho kev sib cuag ntawm ib sab rau high voltage circuits thiab ob qho kev sib cuag ntawm sab nraud rau cov hluav taws xob qis.

Qhov no tau txais txiaj ntsig vim tias nws tuaj yeem muab cov tuam txhab lag luam nrog kev txuag nqi tseem ceeb vim tias lawv tsuas yog xav tau tsim ib qho relay es tsis txhob siv ob.

Kev lag luam tawm yog tias qhov kev tsim no tsis ua haujlwm zoo nrog ntau lub voj voog uas muaj cov khoom siv hluav taws xob siab thiab qis.

Chaw taws teeb relays

Distance relays yog hom tshwj xeeb ntawm relay muaj peev xwm xa cov teeb liab ntawm ib qho mus rau lwm qhov. Qhov kev ncua deb ntawm ob lub ntsiab lus tsuas yog kev txwv rau cov hom phiaj xwm no, ua rau nws zoo tagnrho rau kev siv mus ntev.

Ib qho txiaj ntsig tshwj xeeb ntawm hom relay no yog tias nws tsis tas yuav muaj lub zog hluav taws xob thiab tuaj yeem siv rau hauv thaj chaw deb. Qhov no ua rau nws yog qhov kev xaiv zoo rau ntau daim ntawv thov kev lag luam thiab kev lag luam.

Automotive relays

Automotive relays feem ntau yog siv hauv tsheb los tig qee qhov ntawm lub cav rau lossis tawm, uas yog tswj los ntawm lub computer sab hauv. Hom relay no muaj txiaj ntsig zoo tshaj plaws ntawm kev tiv thaiv circuits los ntawm lub zog hluav taws xob vim nws tsis tas yuav muaj lub zog ntxiv los ua haujlwm.

Qhov tsis zoo yog tias automotive relays yog tsim los nrog cov kev xav tau tshwj xeeb hauv siab thiab tsis tuaj yeem siv rau kev siv hluav taws xob tsawg lossis siab.

Ntau zaus relay

Cov zaus relays yog qhov tshwj xeeb vim lawv siv cov cuab yeej hu ua quartz siv lead ua.

Thaum qhov hluav taws xob tau siv rau hauv Circuit Court, cov siv lead ua yuav vibrate ntawm tib zaus raws li cov khoom siv. Qhov no tso cai rau qhov tseeb thiab nrawm hloov ntawm ob qhov sib txawv voltages, uas tuaj yeem ua tau zoo heev rau qee qhov kev siv.

Cov hom relays no kuj tseem tshiab ntawm kev ua lag luam thiab tseem tsis tau siv dav hauv kev lag luam loj, yog li nws tseem ceeb heev rau kev tshawb fawb lawv ua ntej txiav txim siab yuav khoom.

Polarized Relays

Polarized relays yog ib hom tshwj xeeb ntawm relay muaj peev xwm tswj tau AC thiab DC. Hauv kev tsim, kev hloov pauv kev sib cuag tau muab faib ua ob ntu, uas tuaj yeem siv nws tus kheej ntawm ib leeg los ua haujlwm hauv Circuit Court nrog DC hluav taws xob.

Hom relay no ua haujlwm zoo vim tias nws tsuas yog cuam tshuam nrog ib hom hluav taws xob, tab sis tej zaum yuav tsis zoo li lwm hom siv rau hauv qee lub voj voog.

Rotary relays

Lub relay teb yog ib hom relay uas tsim los siv AC tab sis kuj tuaj yeem ua haujlwm nrog DC. Txhawm rau ua qhov no, nws yog qhov tsim nyog los txuas tus neeg sib cuag ntawm tus contactor.

Qhov no yog qhov zoo vim tias nws tsuas yog yuav tsum tau ua nrog ib hom hluav taws xob, uas yuav pab ua kom yooj yim ntawm kev siv nws rau qee yam kev siv.

Sib npaug relay

Ib tug sib lawv liag relay yog ib hom ntawm relay uas muaj peev xwm coj ntau yam inputs thiab sib lawv liag raws li lawv tau muab tso rau hauv Circuit Court.

Qhov kev tsim no yog qhov zoo hauv cov ntawv thov kev lag luam vim nws tsis tas yuav muaj hluav taws xob sab nraud. Nws kuj tuaj yeem raug teeb tsa hauv ntau qhov sib xyaw ua ke, uas txhais tau tias feem ntau muaj ib qho rau txhua daim ntawv thov.

Qhov tsis zoo yog tias cov hom relays no tsis zoo rau kev siv hluav taws xob siab lossis tsis tshua muaj hluav taws xob vim tias lawv tsuas muaj ib txheej ntawm kev sib cuag, txwv lawv qhov txiaj ntsig.

Hloov coil relay

Ib qho txav coil relay yog hom relay uas tuaj yeem hloov pauv ntawm ob theem sib txawv, thiab lawv ua tau sai heev.

Qhov no relay feem ntau yog siv vim hais tias lub Circuit Court yuav tsum tsuas yog ib txheej ntawm kev sib cuag los hloov mus ua hauj lwm.

Buchholz relay

Buchholz relay yog ib qho hluav taws xob hloov khoom siv uas txhawb kev hloov tam sim no. Nws ua haujlwm los ntawm kev cuam tshuam qhov tam sim no hauv ib lub kauj thaum qhov hluav taws xob hauv lwm lub kauj mus txog ib theem.

Tag nrho cov relays raug kaw rau hauv ib lub tsev kaw kom tiv thaiv corrosion thiab plua plav.

Kev nyab xeeb relay

Ib qho kev nyab xeeb relay yog ib hom relay uas yog tsim los cuam tshuam tam sim no thaum muaj qee theem mus txog. Ib qho txiaj ntsig ntawm kev siv kev nyab xeeb relays yog tias lawv muaj txiaj ntsig zoo ntawm kev siv hluav taws xob. 

Tswj relay

Tus neeg saib xyuas relay yog ib lub relay tsim los saib xyuas lwm cov relays hauv Circuit Court. Lawv feem ntau siv thaum lub voj voog muaj ntau yam sib txawv ntawm cov relays rau kev lag luam lossis kev lag luam.

Qhov zoo ntawm kev muaj hom relay no yog tias nws tiv thaiv kev sib txuas lus yuam kev nrog ntau hom relays hauv Circuit Court.

Hom relay no tseem tuaj yeem pab tswj kev sib txuas lus ntawm cov khoom siv sib txawv, ua kom yooj yim rau kev lag luam thiab kev lag luam siv.

Ib qho tsis zoo yog tias lawv siv lub zog ntau dua li cov khoom lag luam lossis kev lag luam qib circuits vim tias cov hom relays no yuav nyuaj dua.

Lub ntiaj teb txhaum relay

Hauv av txhaum relays ua haujlwm txhawm rau txheeb xyuas qhov sib txawv ntawm qhov sib txawv ntawm ob qhov sib txawv ntawm lub voj voog.

Ib txoj hauv kev uas lawv siv los ua qhov no yog los xyuas seb qhov tam sim no ntawm ib qho chaw hauv Circuit Court tshaj li qhov xav tau ntawm qhov chaw ntawm lub Circuit Court. Yog tias qhov no tshwm sim, kev ua txhaum hauv av yuav tshwm sim uas yuav txiav tawm lub zog kom tsis txhob muaj hluav taws xob poob.

Qhov tsis zoo ntawm hom relay no yog tias lawv tsuas tuaj yeem tshawb xyuas lub ntiaj teb ua txhaum hauv ib theem lossis ob-theem thiab tsis tuaj yeem ntes lawv hauv peb theem.

Nws kuj tso siab rau lub peev xwm los ntsuas hluav taws xob ntau dua li qhov tam sim no, uas tuaj yeem ua rau qee qhov kev tsis txaus ntseeg ntawm kev tsis tuaj yeem ntes peb-theem faults.

Yuav tswj cov relay li cas?

Muaj ntau txoj hauv kev los tswj lub relay. Ib qho yog siv qhov hloov pauv, uas feem ntau yog hloov pauv lossis hloov rocker. Lwm txoj hauv kev los tswj lub relay yog siv kev tiv thaiv kev tiv thaiv, uas siv ib txwm qhib lossis ib txwm kaw los tswj lub relay. Thaum kawg, koj tuaj yeem siv kev hloov pauv, uas siv lub tshuab hluav taws xob hloov hluav taws xob los tswj lub relay.

Keeb kwm ntawm lub relay

Joseph Henry yog tus tsim lub tshuab hluav taws xob relay. Thawj relay nws tsim nyob rau hauv 1835 muaj ib tug swivel hlau taub hau thiab ib tug hlau phaj. Cov hlau los ntawm coil hu rau lub hau hlau, ua rau kom muaj hluav taws xob xa mus rau lub phaj hlau. Lub phaj hlau tuaj yeem ua tiav lub voj voog, muab lub zog rau lwm cov xov hlau uas txuas nrog nws. Qhov no relay yog yooj yim heev vim hais tias nws tsuas yog muab ib tug impulse los pib lwm yam khoom siv.

Joseph Henry tau tsim nws thawj qhov hluav taws xob relay hauv 1835 thiab tom qab ntawd txhim kho tus qauv tsim los ntawm kev siv nws rau xov tooj. Nrog rau kev tsim cov relay no, Henry kuj tau siv nws qhov kev tsim kho rau kev sim, xws li teeb pom kev zoo ntawm nws lub tsev nrog nws cov xov tooj tshiab tsim. Henry kuj tau ua lub tswv yim relay dav dav rau ntau tus neeg kom lawv tuaj yeem nthuav dav rau nws thiab tsim lawv tus kheej cov khoom siv.

Henry's invention tseem ceeb heev vim tias tsis muaj hluav taws xob relays, lub neej niaj hnub yuav txawv heev. Lawv tau siv dav hauv cov khoos phis tawj, ob qho tib si hauv software thiab kho vajtse, thiab lwm yam khoom siv hluav taws xob xws li TV thiab lub qhov rooj qhib qhov rooj tsis siv neeg. Henry's mechanism kuj tau siv los tsim ntau hom relays, xws li hlau nplaum (siv hauv xov tooj), mechanical (siv rau lub tswb), thiab ntsuas dej theem.

Joseph Henry tau ua lub luag haujlwm tseem ceeb hauv kev tsim hluav taws xob relays, nws tsim thawj relay thiab kuj tau pab ntau tus neeg los tsim hom tshiab ntawm cov cuab yeej no. Yog tsis muaj Joseph Henry, lub neej niaj hnub no yuav txawv raws li peb paub tam sim no, ua rau muaj teeb meem loj rau txhua yam ntawm khoos phis tawj mus rau lub tswb. Hauv kev xaus, tus txiv neej no yog ib tus neeg tseem ceeb hauv keeb kwm ntawm kev siv thev naus laus zis, uas tsis tsuas yog hloov pauv lub relay, tab sis kuj tau pab lwm tus neeg los txhim kho cov cuab yeej no.

Joseph Henry tau txais txiaj ntsig los ntawm kev tsim hluav taws xob relay hauv xyoo 1835. Txawm li cas los xij, raws li Bryant's Hluav Taws Xob thiab Magnetism, nws yog Joseph Henry tus pab cuam uas tau los nrog lub tswv yim ntawm kev siv lub vibrating hlau ua hluav taws xob hloov. Tus pab yog Leonard Gale, uas tau ua haujlwm nrog Henry ntawm lub tswv yim ntawm kev siv relays hauv xov tooj. Txawm li cas los xij, tsuas yog ib xyoos tom qab ntawd, Joseph Henry tau tsim cov khoom siv hluav taws xob uas tuaj yeem siv hauv xov tooj thiab ua haujlwm tau zoo dua li qhov Gale tau tshwm sim.

Henry's invention ntawm hluav taws xob relay yog ib qho tseem ceeb heev vim hais tias nws tso cai rau lub hwj chim kis tau tus mob mus ntev. Ua ntej lub cuab yeej tsim, xov tooj cua tau txwv los ntawm lub zog uas lawv siv tau, uas ua rau muaj teeb meem hauv kev xa cov ntaub ntawv vim yog lub zog xav tau. Los ntawm kev muaj cov cuab yeej uas tso cai rau lub zog xa mus rau thaj chaw loj, lub xov tooj cua tau txhim kho tau zoo, tso cai rau kev sib txuas lus ntau dua. Tsis tas li ntawd, Henry relay kuj tseem siv tau rau kev siv xov tooj thiab lub tswb nrov hauv tsev, uas ua rau nws tseem ceeb dua vim nws siv dav hauv ntau qhov chaw sib txawv.

Video tutorial txog dab tsi relay yog

Dab tsi yog relay - Electronics Tutorial Rau Beginners