Unverified85% confidenceDecision RuleTime unknown
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
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified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84% 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83% similarUnverified覆盖范围看探测角度和半径：家用标准型号一般为110°/12m，走廊场景应选窄角幕帘型（约6°/长距离），大客厅选广角型；单个探测器覆盖不足时用多探测器组网比强行选超大范围单机更可靠80% similarUnverified探测角度越广（如180°吸顶款）单点覆盖面积越大但边缘灵敏度和探测距离下降，90°~110°的墙角壁挂款探测距离更远（8~12米）适合长走廊，房间中央防护优选吸顶360°78% similarUnverified标准壁挂式双鉴探测范围约12m/90-110度扇形,长走廊场景应选幕帘型(窄角3-5度、探测距离15m+),空旷大厅选广角吸顶型(360度、半径6-8m)77% similar
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