Unverified85% confidenceDecision RuleTime unknown
走廊、玄关、卫生间选人体红外(PIR)感应,感应距离通常3-5米、感应角度100-120度;橱柜内、抽屉内选光线感应+开合触发,人体感应在密闭空间易误触发或不触发
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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UnverifiedPIR人体红外感应触发距离3-5米、感应角度120°适合走廊;橱柜/衣柜内应选微波雷达或门磁触发,因PIR在封闭小空间易误触或不灵86% similarUnverified壁装/走廊过道选感应距离3-5米、感应角度≥120°的款;床头柜或橱柜内选感应距离≤1米的短距款,避免被路过的人或宠物频繁误触发84% similarUnverified感应触发机型的红外感应距离通常为1-3米,卫生间选1米内触发避免误触;玄关等过道场景选2-3米触发确保开门即喷82% similarUnverified感应距离与角度需匹配场景:橱柜/衣柜等近距离用小角度(1-2米即可),走廊/玄关需5米以上大角度广域感应,感应范围过大在开阔空间会被无关走动频繁误触发耗电80% similarUnverified被动红外探测器(PIR)的探测范围需匹配空间尺寸:标准110度广角探头覆盖半径8-12米,适合客厅;走廊等狭长空间应选幕帘式探头(探测角度5-10度,探测距离15-20米),避免广角探头在长走廊两端出现盲区76% similar
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