I. Kev qhia lus
Cov khoom siv lub xeev relay (SSR) yog lub sib cuag hloov tau ntawm microelectronic circuits, discrete hauv tshuab hluav taws xob thiab lub zog hluav taws xob hluav taws xob. Piv nrog tsoostromagnetic belays, cov khoom siv hluav taws xob tau muaj nyob hauv cov yam ntxwv tsis muaj cuab yeej niaj hnub, lub neej ntev, nrawm nrawm thiab me me hauv hluav taws xob cuam tshuam. Hauv daim ntawv no, peb yuav tham txog tus ua haujlwm ntawm kev ua haujlwm thiab cov yam ntxwv tseem ceeb ntawm cov khoom muaj peev xwm txuas ntxiv.
Ii. Tus ua hauj lwm ua haujlwm ntawm cov khoom noj khoom loj
The working principle of solid state relay is based on the switching characteristics of semiconductor devices. Nws sab hauv feem ntau muaj plaub ntu: Cov tswv yim Circuit Court, Hluav Taws Xob Circuit Court, Tsav Tsheb Hluav Taws Xob thiab Kev Tawm Tsam Circuit Court. Thaum cov teeb liab tswj hwm (xws li voltage lossis tam sim no cov teeb liab thiab hloov tshiab los ntawm kev rho tawm cov khoom siv semiconder (xws li therristors, kev ua haujlwm Tubes, thiab lwm yam) kom paub qhov hloov tau ua.
Tshwj xeeb, cov txheej txheem ua haujlwm ntawm cov khoom siv hauv lub xeev tuaj yeem faib ua cov kauj ruam hauv qab no:
Cov lus qhia cov paib kom pom tau:Cov tswv yim hluav taws xob ntawm cov khoom siv lub xeev ruaj khov yog lub luag haujlwm rau kev kuaj pom qhov muaj lossis tsis muaj teeb meem sab nraud. Thaum lub teeb liab sab nraud sib ntsib qee qhov xwm txheej (xws li mus txog ib qho voltage lossis tam sim no chaw tshiab), lub tswv yim hluav taws xob yuav tso zis tswj hwm lub teeb liab.
Cais Cais Ua Haujlwm:Lub luag haujlwm tseem ceeb ntawm kev rho tawm ntawm cov hluav taws xob yog kom muaj hluav taws xob rho tawm ntawm cov tswv yim hluav taws xob thiab cov zis tawm tsam hluav taws xob. Qhov no tsis yog tiv thaiv cov tswv yim hluav taws xob los ntawm cov hluav taws xob siab lossis cov kev cuam tshuam siab ntawm cov phiaj xwm cuam tshuam ntawm cov phiaj xwm ntawm cov tswv yim. Cov kev sib xyaw ua ke muaj xws li lwm yam khoos phis tawm, hloov pauv thiab lwm yam.
Kev Tsav Circuit Coupification:Tus neeg tsav tsheb hluav taws xob yog lub luag haujlwm rau kev txhawb nqa thiab hloov pauv cov cim tswj cov paib tawm los ntawm cov kev xav tau ntawm cov zis ntawm cov teeb liab tsav. Cov neeg tsav tsheb ncig feem ntau suav nrog amplifiers thiab logic circuits.
Cov zis ntawm Circuit Court:Thaum lub teeb liab teeb hluav taws xob tawm los ntawm kev tsav Circuit Court tau ntsib qee yam kev mob, cov khoom siv semiconductor nyob rau hauv cov zis hluav taws xob yuav paub qhov hloov pauv. Tshwj xeeb, thaum lub teeb liab tsav yog qhov siab, lub tuam tsev semiconductor, thiab cov khoom siv lub xeev ruaj khov; Thaum lub teeb liab tsav yog tsawg, lub semiconductor ntaus ntawv txiav, thiab cov khoom siv lub xeev ruaj khov nyob hauv lub xeev qhib.
III. Cov yam ntxwv tseem ceeb ntawm cov khoom siv lub xeev relay
Cov xeev tau xa tawm raws nws cov cai ua haujlwm tshwj xeeb, qhia cov duab tseem ceeb ntawm cov nta tseem ceeb:
Tsis muaj kev sib cuag, tsis muaj txim taws:Lub xeev ruaj plig Siv cov khoom siv hluav taws xob semiconductor kom paub qhov hloov pauv, yog li tsis muaj kev sib cuag tshuab thiab ua rau muaj kev sib chwv. Qhov no tsis tsuas yog txhim kho kev pabcuam lub neej thiab kev ntseeg tau ntawm cov khoom muaj peev xwm txuas ntxiv, tab sis kuj muaj kev cuam tshuam rau cov chaw sab nraud thiab hluav taws xob sab nraud.
Fast:Lub tshuab hloov ceev ntawm cov khoom muaj peev xwm hauv lub xeev yog nrawm heev, feem ntau ntawm ob peb milliseconds thiab ob peb microconds. Qhov no ua rau lub xeev muaj kev sib cais tsis zoo haum rau cov ntawv thov uas xav tau teb nrawm.
Tsawg EMI:Txij li thaum muaj kev sib ntsib hauv lub xeev tsis muaj kev sib cuag tshuab thiab tsis muaj ib qho kev lom zem, lawv muaj EMI tsawg heev. Qhov no pab kom txo cov qib hauv suab nrov thiab txhim kho kev ruaj khov.
Lub neej ntev dua:Lub xeev tau muab cov cuab yeej siv hluav taws xob sramiconductor raws li hloov cov ntsiab lus thiab yog li ntawd muaj lub neej ntev dua li cov roj hluav taws xob ntev dua. Tsis tas li ntawd, lub xeev rov qab tau zoo tsis kam mus ua kev co thiab poob siab, ua rau lawv haum rau kev ua haujlwm hnyav.
Tsis tshua muaj zog siv hluav taws xob: Cov tswv yim tawm tswv yim ntawm cov khoom siv xov xwm hauv lub xeev feem ntau yog tsim rau kev siv hluav taws xob tsawg, yog li lawv cov khoom siv tawm tswv yim tsawg heev. Qhov no muab lub xeev kom rov qab xa cov cim tshwj xeeb hauv kev tiv thaiv lub zog txuag thiab kev tiv thaiv ib puag ncig.
Kev muaj feem xyuam:Lub teeb tsa tsav ntawm cov chaw sib txuas tau yooj yim tuaj yeem txuas tau yooj yim rau cov khoom lag luam digital lossis microprocessor interfaces kom paub cov chaw taws teeb tswj lossis tswj hwm. Ib qho ntxiv, cov peev txheej tseem ceeb tuaj yeem paub txog ntau yam kev tiv thaiv kev tiv thaiv (kev tiv thaiv kab ke luv luv, thiab kev ntseeg tau ntawm cov kab ke.
IV. Daim ntawv thov ntawm cov khoom lag luam relay
Nrog lawv cov txiaj ntsig zoo thiab cov yam ntxwv zoo, khoom siv hauv lub xeev tau siv dav hauv kev tswj hwm niaj hnub, cov cuab yeej siv tshuab thiab hluav taws xob tshuab. Tshwj xeeb, cov khoom sib tw hauv lub xeev tuaj yeem siv rau cov hauv qab no:
Lub cev muaj zog tswj:Lub xeev kev faib khoom tau tuaj yeem siv rau lub cev muaj lub cev pib, nres thiab ceev tswj. Vim yog lawv qhov tsis tiv tauj, tsis muaj kev sib tiv tauj thiab lub neej ncua sij hawm yog tsim nyog pib thiab nres ntawm kev tswj hwm lub cev muaj zog.
Cov Khoom Cua Sov Tswj:Lub xeev cov khoom xa tuaj yeem siv tau rau kev tswj qhov kub thiab txias, cua sov thiab lwm yam khoom siv. Los ntawm kev kho lub sijhawm thiab sijhawm sijhawm ntawm lub xeev ruaj khov, lub zog cua sov thiab kub ntawm cov khoom tuaj yeem tswj tau.
Teeb Cov Khoom Siv Tswjhwm:Lub xeev cov khoom xa tuaj yeem siv tau rau txoj kev teeb, toj roob hauv pes teeb thiab lwm yam khoom siv teeb pom kev zoo. Los ntawm kev ua haujlwm thiab tswj tau lub sijhawm hloov lub xeev kev hloov pauv, cov haujlwm xws li lub sijhawm hloov pauv thiab kev hloov kho tau tuaj yeem pom tau.
Kev Rho Tawm Cov Kab Ntau Lawm:Hauv cov kab ntau lawm, cov khoom siv caij tsheb loj tuaj yeem siv rau kev tswj hwm ntawm ntau yam kev ua yuam kev (xws li cov thooj voos kheej (xws li cov thooj voos kheej kheej (xws li cov thooj voos kheej kheej, thiab lwm yam). Los ntawm kev ua ntu zus thiab lub sijhawm ntawm cov txheej txheem sib cav sib ceg, cov txheej txheem ntau yam siv tau tuaj yeem pom tau.
Kev tiv thaiv hluav taws xob:Lub xeev kev xa tawm hauv lub xeev kuj tseem siv tau rau kev tiv thaiv hluav taws xob thiab kev tswj hwm. Piv txwv, txhim kho lub xeev rov qab nyob hauv lub fais fab rooj tuaj yeem paub txog kev tiv thaiv thiab cais tawm ntawm overcurrent thiab overvoltage.
V. Xaus
Hauv cov ntsiab lus, khoom siv lub xeev rov qab ua txoj haujlwm tseem ceeb hauv kev tswj hwm niaj hnub, tsis yog-sparking, nrawm nrawm thiab me me hluav taws xob cuam tshuam thiab me me electromictic. Nrog kev txhim kho kev kawm txuas ntxiv ntawm science thiab thev naus laus zis, lub xeev rov qab yuav zoo dua thiab ua kom zoo dua los muab kev txhim khu kev qha thiab cov kev daws teeb meem ntau yam rau ntau yam kev lag luam.