Unverified88% confidenceDecision RuleTime unknown
走廊、玄关、卫生间过道选人体红外(PIR)感应款,感应距离3-5米、延时15-30秒关灯较合理;纯光线感应款只会天黑常亮,费电且无按需照明效果
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified走廊/楼道过道选人体感应式(红外PIR),感应距离3-5米、延时15-30秒关灯最合理;卫生间选人体感应而非光控,因卫生间常年偏暗光控会误触发常亮92% similarUnverified走廊/楼梯过道选人体(PIR红外)感应+光线双控款,感应距离3-5米、延时15-30秒最实用;纯光线感应会全夜常亮费电,纯人体感应白天也会误触发89% similarUnverified走廊/楼梯过道选购应优先人体感应(PIR红外)而非光线感应,PIR只在有人经过时亮起可省电,光线感应会在天黑后全程点亮81% similarUnverifiedPIR人体感应灯的有效感应距离通常为3-5米、感应角度100-120度,安装在走廊需注意其只对横向移动敏感,正对灯直行可能触发迟缓80% similarUnverified红外人体感应+光敏双传感,环境光较亮时不会触发亮灯;但感应角度和距离有限(约3米、120°),安装位置需正对人经过的方向才能可靠触发77% similar
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