Infrared ray human sensor structure of compact area LED power
The utility model discloses an infrared ray human sensor structure of compact area LED power, including an inductor upper cover and an inductor lower cover, the preceding of inductor lower cover has the storage tank that is used for imbedding half -circular arc's fresnel lens piece, and in the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an infrared ray human sensor structure of compact area LED power, including an inductor upper cover and an inductor lower cover, the preceding of inductor lower cover has the storage tank that is used for imbedding half -circular arc's fresnel lens piece, and in the back of fresnel lens piece, a base plate is erect the setting, and electric infrared device, photosensitive tube and LED pilot lamp are released to the welding heat on the base plate, reflector reflects into the response window that electric infrared device was released to heat with the human approach signal of the preceding 180o scope of fresnel lens piece, set up outer drive LED power supply circuit, infrared ray body induction circuit and inductor control circuit on the base plate. The utility model discloses hold all devices in a diameter is no longer than 10 centimetres casing, and the human detection angle of being close reaches 180 degrees. Solve current single pyroelectric infrared sensorand survey the little di |
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