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如何避免 PIR 电池供电的 EZVIZ 摄像机出现过多警报

关于您的问题,请注意,由于人体温度一般恒定在37度左右,会发射特定波长为10um左右的红外线,因此PIR检测是基于对人体发射的红外线的感应。 

因此,检测精度受安装条件和环境的影响很大。您可以选择进行以下修改以提高 PIR 检测精度:

1)建议将设备安装在距地面2-3米左右的高度,向下20度角;

2)确保设备远离空调、冰箱、炉灶等空气流动活跃的区域,如直接面向窗户;

3)尽量避免巨大家具、大型盆景等障碍物和干扰;

另外请注意,它还与人体运动的方向有关。 PIR传感器对径向运动响应最不敏感,对横向(即垂直于半径的方向)运动最敏感。

同时,夏季环境温度升高,环境温度与人体温度可能比较接近,传感器的检测功能和灵敏度可能会下降,有时触发也可能不太灵敏。

最近更新时间 17/04/2025

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