Qhov txawv ntawm PIR Sensor thiab Ultrasonic Sensor yog dab tsi

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Qhov txawv ntawm PIR Sensor thiab Ultrasonic Sensor yog dab tsi
Qhov txawv ntawm PIR Sensor thiab Ultrasonic Sensor yog dab tsi

Video: Qhov txawv ntawm PIR Sensor thiab Ultrasonic Sensor yog dab tsi

Video: Qhov txawv ntawm PIR Sensor thiab Ultrasonic Sensor yog dab tsi
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Qhov sib txawv tseem ceeb ntawm PIR sensor thiab ultrasonic sensor yog qhov PIR sensor tuaj yeem kuaj pom qhov khoom los ntawm kev hnov qhov txawv ntawm cov cua sov tawm los ntawm kev txav ntawm cov khoom thiab cov cua sov ntawm keeb kwm yav dhau, whereas ultrasonic sensor tuaj yeem tshawb xyuas qhov muaj ntawm ib yam khoom los ntawm kev xa tawm lub suab ultrasonic thiab ntsuas qhov nrawm ntawm qhov tsis hnov qab.

A PIR sensor yog ib hom hluav taws xob sensor uas tuaj yeem ntsuas IR lub teeb hluav taws xob los ntawm cov khoom hauv nws qhov kev pom, thaum lub ultrasonic sensor yog hom sensor uas tuaj yeem ntsuas qhov kev ncua deb mus rau ib qho khoom siv ultrasonic suab tsis..

PIR Sensor yog dab tsi?

PIR sensor lossis passive infrared sensor yog ib hom hluav taws xob sensor uas tuaj yeem ntsuas IR lub teeb tawg los ntawm cov khoom hauv nws qhov kev pom. Feem ntau, cov sensors no muaj txiaj ntsig zoo hauv PIR-based motion detectors. PIR sensors muaj txiaj ntsig zoo hauv kev ruaj ntseg tswb thiab tsis siv neeg teeb pom kev zoo, thiab. Feem ntau, cov sensors tuaj yeem kuaj pom kev txav mus los. Txawm li cas los xij, nws tsis tuaj yeem muab cov ntaub ntawv hais txog leej twg lossis dab tsi tsiv mus. Yog li ntawd, peb xav tau cov duab IR sensor hauv cov ntsiab lus no.

PIR Sensor thiab Ultrasonic Sensor - Sib piv ntawm Sab
PIR Sensor thiab Ultrasonic Sensor - Sib piv ntawm Sab

Daim duab 01: PIR-based Motion Detector

Thaum xav txog txoj cai kev khiav hauj lwm ntawm PIR sensor, txhua yam khoom feem ntau muaj qhov kub siab tshaj qhov xoom tuaj yeem tawm hluav taws xob hluav taws xob hauv daim ntawv hluav taws xob hluav taws xob uas tsis pom ntawm tib neeg lub qhov muag (vim nws muaj IR wavelengths) tab sis Nws tuaj yeem ntes tau siv lub tshuab hluav taws xob tsim los rau lub hom phiaj no, xws li PIR sensor. Yog li ntawd, peb tuaj yeem tshawb xyuas qhov txav ntawm tib neeg, tsiaj txhu, lossis lwm yam khoom siv los ntawm cov sensors no.

Muaj ntau yam kev siv ntawm PIR sensors uas ua rau cov sensors tuaj rau ntau qhov teeb tsa. Feem ntau, PIR sensor qauv nrog ntau Fresnel lo ntsiab muag lossis iav ntu muaj qhov ntev ntawm 10 meters thiab qhov dav ntawm qhov pom. Txawm li cas los xij, muaj qee qhov loj PIR sensors ua los ntawm ib ntu iav, thiab lawv tuaj yeem hnov txog kev hloov pauv hauv IR zog tshaj 30 meters.

YUltrasonic Sensor yog dab tsi?

Ib qho ultrasonic sensor yog hom sensor uas tuaj yeem ntsuas qhov kev ncua deb mus rau ib qho khoom siv ultrasonic suab tsis. Qhov no yog ib txoj hauv kev zoo tshaj plaws ntawm kev hnov qhov sib thooj thiab kuaj xyuas qib nrog kev ntseeg siab. Ultrasonic sensors feem ntau siv lub transducer xa thiab tau txais ultrasonic pulses uas nyiam relay rov qab cov ntaub ntawv hais txog qhov sib thooj ntawm ib yam khoom.

PIR Sensor vs Ultrasonic Sensor nyob rau hauv daim ntawv Tabular
PIR Sensor vs Ultrasonic Sensor nyob rau hauv daim ntawv Tabular

Daim duab 02: Ultrasonic Sensor

Lub tshuab ua haujlwm ntawm lub tshuab ultrasonic ua haujlwm los ntawm kev xa lub suab nthwv dej uas muaj zaus ntau dua li cov zaus tib neeg tuaj yeem hnov. Lub sensor muaj lub transducer uas tuaj yeem ua lub microphone kom tau txais thiab xa cov suab ultrasonic. Feem ntau, cov sensors siv ib qho transducer xa cov mem tes thiab tau txais cov ncha. Ntxiv mus, lub sensor tuaj yeem txiav txim siab qhov kev ncua deb mus rau lub hom phiaj los ntawm kev ntsuas lub sij hawm lapses ntawm kev xa thiab tau txais ntawm ultrasonic pulse.

Qhov txawv ntawm PIR Sensor thiab Ultrasonic Sensor yog dab tsi?

Qhov sib txawv tseem ceeb ntawm PIR sensor thiab ultrasonic sensor yog qhov PIR sensor tuaj yeem kuaj pom qhov khoom los ntawm kev hnov qhov txawv ntawm cov cua sov tawm los ntawm kev txav ntawm cov khoom thiab cov cua sov ntawm keeb kwm yav dhau, whereas ultrasonic sensor tuaj yeem tshawb pom qhov muaj ntawm ib yam khoom los ntawm kev xa tawm lub suab ultrasonic thiab ntsuas qhov nrawm ntawm qhov nthwv dej rov qab.

Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm PIR sensor thiab ultrasonic sensor hauv daim ntawv teev npe rau ib sab ntawm kev sib piv.

Summary – PIR Sensor vs Ultrasonic Sensor

Qhov sib txawv tseem ceeb ntawm PIR sensor thiab ultrasonic sensor yog qhov PIR sensor tuaj yeem kuaj pom qhov khoom los ntawm kev hnov qhov txawv ntawm cov cua sov tawm los ntawm kev txav ntawm cov khoom thiab cov cua sov ntawm keeb kwm yav dhau, whereas ultrasonic sensor tuaj yeem tshawb xyuas qhov muaj ntawm ib yam khoom los ntawm kev xa tawm lub suab ultrasonic thiab ntsuas qhov nrawm ntawm qhov tsis hnov qab.

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