Passive infrared detection equipment and have its intelligent device with adjustable

The utility model discloses a passive infrared detection equipment and have its intelligent device with adjustable, adjustable passive infrared detection equipment includes PIR sensor, PIR treatment circuit and sensitivity adjustment circuit, wherein: the signal output part of PIR sensor connects the input of PIR treatment circuit, infrared signal that the PIR sensor detected via PIR exports afterhandling enlargeing of circuit signal and filtration treatment, sensitivity adjustment circuit connection the PIR treatment circuit for the instruction sets up based on sensitivity adjustment the sensitivity of PIR treatment circuit. The utility model discloses can be according to user's request and the change of using the scene, utilize and adjust the sensitivity adjustment circuit and adjust the sensitivity of PIR treatment circuit, better performance product infrared detection function. 本实用新型公开了种可调节的被动红外探测设备及具有其的智能装置，所述可调节的被动红外探测设备包括PIR传感器、PIR处理电路和灵敏度调节电路，其中：所述PIR传感器的信号输出端连接所述PIR处理电路的输入端，所述PIR传感器探测到的红外信号经由所述PIR处理电