Infrared photoelectric rangefinder qauv thiab muaj pes tsawg leeg
Infrared rangefinder yog tsim los ntawm kev hloov pauv lub teeb emitting chav tsev, txais chav tsev, chav ntsuas theem, suav cov chav ntsuas, chav tswj logic thiab lub zog hloov pauv thiab lwm qhov chaw. Nws lub teeb ci feem ntau yog arsenic qoob loo (GaAs) semiconductor lub teeb-emitting diodes. Thaum muaj ntau npaum li cas tam sim no rau pem hauv ntej los ntawm GaAs diode PN kev sib tshuam, PN kev sib tshuam yuav raug tso tawm nyob rau hauv lub wavelength ntawm 0.72 μm, 0.94 μm ntawm ze-infrared teeb, uas yog vim lub doped GaAs semiconductor electron-qhov composite, lub zog tshaj nyob rau hauv daim ntawv ntawm photons tso tawm thiab tsim. Thiab qhov kev siv ntawm lub teeb emission hloov nrog cov tshuaj tam sim no. Yog li ntawd, nws yuav raug siv los ua lub teeb pom kev sib txawv, koj tuaj yeem hloov qhov loj ntawm cov khoom noj tam sim no ntawm qhov kev siv ntawm lub teeb tawm ncaj qha mus rau lub amplitude modulation, uas yog, qhov no semiconductor lub teeb-emitting ntaus ntawv ob qho tib si "radiation" thiab "modulation. "dual function.
Siv tau txais modulated lub teeb infrared photoelectric nrhiav kom tau hloov dua siab tshiab ntaus ntawv feem ntau yog silicon photodiode los yog avalanche photodiode, cov khoom siv no muaj "photovoltaic effect". Thaum lub teeb sab nraud irradiation rau nws PN hlws ris, vim cov nyhuv ntawm photoelectric zog hloov dua siab tshiab nyob rau hauv lub PN ncej los tsim ib tug muaj peev xwm sib txawv, qhov loj ntawm qhov sib txawv nrog rau qhov siv ntawm lub teeb teeb meem.
Qhov loj ntawm qhov sib txawv yuav txawv nrog qhov siv ntawm qhov teeb meem teeb meem, yog li ua si lub luag haujlwm ntawm "demodulation".
Technical specifications thiab functions ntawm photoelectric rangefinder
Short-range infrared photoelectric rangefinder muaj qhov siab tshaj plaws ntawm 2,500m, qhov tseeb ntawm ± (3mm + 2 × 10-6} × D) (qhov twg D yog qhov ntsuas qhov deb); nyeem ntawv tsawg kawg yog 1 mm; qhov ntsuas tau nruab nrog lub teeb siv lub teeb tsis siv neeg hloov kho, qhov ntsuas ntawm lub teeb ci tuaj yeem hloov kho manually hauv qhov chaw nyuaj; tuaj yeem nkag mus rau hauv qhov kub thiab txias, barometric siab thiab prismatic tas mus li tau kho cov txiaj ntsig; tuaj yeem txiav txim siab los ntawm kev nkag mus rau lub kaum sab xis kab rov tav thiab qhov siab sib txawv; tuaj yeem xam los ntawm qhov deb thiab qhov siab sib txawv; siv tau los ntsuas qhov kev ncua deb ntawm 1,000 meters. Qhov deb thiab qhov siab qhov sib txawv tuaj yeem suav tau los ntawm kev siv lub kaum sab xis; Kev teeb tsa kab tuaj yeem ua tiav los ntawm kev ncua deb; Kev sib koom tes thiab qhov siab ntawm cov ntsiab lus soj ntsuam tuaj yeem suav tau yog tias chaw nres tsheb sib koom ua ke thiab qhov siab tau nkag. Muaj kev ntsuas ib txwm muaj thiab kev ntsuas ntsuas, uas lub sijhawm yuav tsum tau ua rau kev ntsuas ib txwm yog 3s thiab qhov nruab nrab tus nqi ntawm ntau qhov ntsuas tuaj yeem pom; Lub sij hawm xav tau rau kev ntsuas ntsuas yog 0.8s, thiab qhov ntsuas qhov deb tau rov ua dua tshiab ntawm qee lub sijhawm.
