Sensors LED lighting intelligent control
Date:2011-06-09 11:16
Status:Be resolved
Question:admin
when people activities, the emission of infrared radiation will change the location, The device will lose its charge balance, the occurrence of the release of the pyroelectric effect of the charge out, infrared sensors will filter through the Fresnel lens, the change of infrared radiation energy into electrical signals, which thermoelectric conversion. Passive infrared detector in the detection area without the body moves, the infrared sensor senses only the background temperature, when the bod
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