Unverified78% confidenceTradeoffTime unknown
IP等级越高密封越好但散热越差，大功率灯具追求高防水可能牺牲散热寿命；对大功率投光灯优先看是否有铝合金散热外壳而非盲目追求IP68
1
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78%
Confidence
Long-term
Relevance
-
First Seen
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UnverifiedIP等级越高密封越严，但散热越差；大功率或发热元件（如电源、驱动器）装高防水盒内需考虑散热或选带透气阀（防水透气膜）的型号85% similarUnverified流明越高散热要求越高，高流明手电为控温会激进降档，选带铜基板或大金属灯头的型号持续输出更稳定；小巧的AAA电池手电通常无法稳定输出500流明以上75% similarUnverified接口数量越多、供电越大的扩展坞发热越明显，无风扇的大功率坞长期满载可能触发过热降速；追求稳定多屏+大功率供电可优先带金属外壳散热的型号72% similarUnverified功率越高越亮但发热越大，全塑外壳灯管散热差易衰减，长时间高功率使用应选铝塑一体（半铝）或全铝散热外壳，寿命更长71% similarUnverified面板AP功率受限于86盒散热空间，堆料越高越发热、长期高温易降频，实际持续吞吐往往低于标称值；追求极致速率应选吸顶AP而非面板AP71% similar
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