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LED motion sensors: Qhov twg yog qhov zoo tshaj?

Koj puas tau xav kom koj lub teeb qhib kom sai li sai tau thaum koj taug kev hauv koj lub tsev? Qhov ntawd tsis yog qhov ua tsis tau kiag li, txawm li cas los xij. Qhov tseeb, siv cov suab sensors kom ua tiav qhov yooj yim heev! Koj yuav ploj mus ntau yog tias koj tsis tau hnov ​​​​txog lawv!

Cov khoom siv hluav taws xob hu ua LED motion sensors yog tsim los ntsuas thiab txheeb xyuas qhov txav. Lawv pab txhim kho koj lub teeb lub zog kom tsis txhob muaj teeb pom kev zoo dua. Cov gadget no zoo tagnrho rau cov chaw xws li chaw ua haujlwm uas koj nquag tsis txhob txwm tso lub teeb rau. Nws kuj tau pom nws tus nqi hauv qhov chaw xws li chav ua noj lossis chav ntxhua khaub ncaws uas koj nquag muaj ntau ntawm koj lub phaj!


Yog tias koj ntseeg tias kev yuav khoom LED motion sensors yooj yim, koj yuav tsis paub txog ntau yam muaj! Muaj qhov zoo thiab qhov tsis zoo rau txhua hom kev tshawb nrhiav qhov system vim muaj ntau yam kev xaiv muaj.
 

Ntau yam ntawm cov lus tsa suab sensors ua los ntawm LED


Koj tuaj yeem yuav khoom ntau yamLED sensors, xws li cov neeg nyob thiab qhov chaw nyob, cov thev naus laus zis dual, cov sensors nquag, thiab passive infrared (PIR) sensors. Dab tsi ua rau lawv txawv ntawm ib leeg?


Infrared Passive (PIR)


Cov hluav taws xob infrared, lossis cov cua sov uas tsim los ntawm lub hnub thiab sov- cov kab mob ntshav, tuaj yeem kuaj pom los ntawm hom sensor no. Nws nta ob lub qhov uas teb rau cov hluav taws xob infrared thiab ib txheej nyias ntawm cov khoom siv pyroelectric. Nws nyob twj ywm tsis ua haujlwm yog tias ob lub qhov qhib sau npe qhov kub thiab txias (chav tsev tus qauv ntim ambient ntim). Txawm li cas los xij, tus nqi "zoo sib txawv" ntawm ob lub qhov qhib yog tsim thaum ib tus neeg lossis tus tsiaj loj txaus nkag mus rau thaj tsam uas nyob ze, ua kom lub sensor.

Koj lub PIR sensor tuaj yeem hloov kho kom tsuas yog qhib ntawm qhov kub thiab txias. Nws yuav txwv tsis pub muaj kev hloov pauv me me los ntawm kev teeb tsa koj lub sensors. Txoj kev ntawd, koj lub teeb yuav tsis tig rau txhua lub sijhawm uas lub hnub ci los yog squirrel taug kev los ntawm!

PIR sensors raug txwv rau txoj kab ntawm qhov pom thiab yog kev taw qhia. Yog li ntawd, ua tib zoo tsis txhob cuam tshuam ib cheeb tsam ntawm qhov chaw uas yuav tsum tau kuaj xyuas. Khaws cov txee thiab cov teeb meem tawm ntawm qhov ntau ntawm koj PIR sensor!


Sensors uas ua haujlwm


Txhawm rau txheeb xyuas cov kev hloov pauv hauv cheeb tsam uas lawv npog, hom sensor no siv radar nthwv dej, lub zog infrared, lossis lwm yam txuj ci. Tomographic, ultrasonic, thiab microwave nquag sensors yog peb hom siv dav tshaj plaws.

Lub microwave pulse rhiab heev uas ua los ntawm microwave sensors feem ntau yog siv rau hauv kev ruaj ntseg systems. Txawm li cas los xij, thaum ntsuas ntsuas tsis raug, qee zaum lawv tuaj yeem ua rau lub tswb tsis tseeb vim tias lawv tuaj yeem ntes cov khoom tsis yog -hlau nrog cov phab ntsa.

Ultrasonic sensors, uas feem ntau yog siv rau illumination, tsim suab nthwv dej uas tsis hnov ​​​​tsw rau tib neeg tab sis qee zaus hnov ​​​​dua rau dev thiab miv.

Xov tooj cua tsis yog tsim los ntawm tomographic sensors. Vim tias lawv cov kev pabcuam dav dav, lawv tau siv ntau zaus hauv cov chaw lag luam thiab yog qhov zoo tagnrho rau kev ruaj ntseg siab - theem. Tom qab kev teeb tsa, lub ntsuas hluav taws xob nquag yuav tawm lub zog pulses thiab xam seb nws yuav siv sijhawm ntev npaum li cas rau lub plawv dhia rov qab tom qab ntaus ib qho khoom hauv cheeb tsam. Xav txog nws zoo li tus puav pom hauv qhov tsaus ntuj siv echolocation! Lub sensor no tuaj yeem ntes cov lus taw qhia feeb thiab tsis txwv rau txoj kab ntawm qhov pom. Yog li ntawd lawv thiaj li yooj yim rau lub tswb cuav. Tsis tas li ntawd, vim muaj qhov rov qab mus tas li, nws siv ntau lub zog ntau dua li cov sensors passive. Active sensors tej zaum yuav tsis yog qhov kev xaiv zoo tshaj yog tias koj tab tom nrhiav kom txo koj cov nqi hluav taws xob.


Sensors siv Dual Technology


PIR thiab ultrasonic sensing technologies yog ua ke los muab dual technology motion sensors. Qhov no sensor lub zog muaj pes tsawg leeg txo qhov muaj feem ntawm cov lus ceeb toom cuav. Cov no yog cov sensors zoo tshaj plaws los nruab rau hauv chaw ua haujlwm, tsev kawm ntawv, thiab siab - thaj chaw qab nthab nrog cov rooj tog loj. Txhawm rau qhib lub sensor no, PIR thiab ultrasonic sensor yuav tsum tau muab ob qho tib si qhib. Txhawm rau kom koj lub teeb rau thaum ib tus neeg nyob hauv chav, txawm li cas los xij, nws tsuas yog xav tau ib qho xwb. Qhov no txhais tau hais tias koj lub teeb yuav tsis tawm txawm tias lub ultrasonic sensor pom tias koj ntaus ntawv thiab tsis muaj leej twg nyob hauv PIR qhov kev pab them nqi. Lawv yog cov loj tshaj plaws, yog li yog tias koj muaj nyiaj los siv rau cov thev naus laus zis no, tsis txhob xav ob zaug!


Sensors rau cov neeg nyob thiab qhov chaw


Dab tsi ntawm cov sensors no yog qhia los ntawm lawv lub npe. Thaum ib qho chaw nyob sensor tau tshwm sim, lub teeb tig rau ntawm nws. Thaum lub sijhawm teev tseg tau dhau mus yam tsis muaj kev txav mus los, nws cia li kaw. Rau siab - thaj chaw tsheb thauj mus los zoo li chav dej, nkag mus, thiab lub tsev noj mov pantries, qhov ntsuas no zoo tagnrho.


Thaum tsis muaj chav nyob, qhov chaw tsis muaj lub ntsuas hluav taws xob tau siv los tua lub teeb vim lawv pom tsis muaj kev txav mus los. Tab sis thaum koj nkag mus, koj yuav tsum manually qhib lub teeb. Hom sensor no ua haujlwm zoo hauv chav sib tham thiab thaj chaw uas muaj qhov rais loj uas tso rau hauv ntau lub teeb ntuj.
Tej zaum koj yuav zoo dua los xaiv ib hom sensor dua lwm tus raws li koj txoj kev ua neej. Qhov tsuas yog qhov uas yuav tsum tau ua yog txiav txim siab seb qhov twg yuav haum koj qhov zoo tshaj plaws! Koj tuaj yeem mus saib peb lub vev xaib, Teeb Pom Kev Yooj Yim, yog tias koj tab tom nrhiav rau sab saum toj -notch lighting motion sensors. Peb muaj kev xaiv loj ntawm LED teeb pom kev zoo thiab sensors, nrog rau cov teeb ci sawb, teeb vaj huam sib luag, teeb pom kev zoo, thiab lwm yam!

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