Infrared detector maintenance method
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Infrared detector (Infrared Detector) is a device that converts incident infrared radiation signals into electrical signals for output. Infrared radiation is an electromagnetic wave with a wavelength between visible light and microwave, which is invisible to the human eye. To detect the existence of this radiation and measure its strength, it must be transformed into other physical quantities that can be detected and measured. Generally speaking, any effect caused by infrared radiation irradiating an object can be used to measure the intensity of infrared radiation as long as the effect can be measured and is sufficiently sensitive. Modern infrared detectors mainly use infrared thermal effect and photoelectric effect. The output of these effects is mostly electricity, or it can be converted into electricity by an appropriate method.
Maintenance method
In the daily work of the detector, since it has been working outdoors for a long time, it is inevitably affected by the dust, microorganisms, snow, frost, and fog in the atmosphere. For a long time, a layer of dust-like hard material is often accumulated on the outer wall of the detector The shell will grow a thick layer of moss in a humid place. Sometimes the bird will pull the excrement to the detector. These things will hinder the emission and acceptance of infrared rays, causing false alarms.

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