Unverified80% confidenceFactTime unknown
驱动电源（恒流驱动）内置于灯体的射灯散热要求更高，寿命受温度影响大；分体式外置驱动更利于散热和维修更换
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified驱动电源外置（可换驱动）的筒灯寿命远高于电源一体化款，一体化款LED不亮或频闪时整灯报废；对于高吊顶维护困难的场景优先选外置驱动84% similarUnverified亮度越高发热越大且需外接电源，便携直播补光灯为省电常牺牲最高亮度，室内固定拍摄选插电款可获得持续高亮，外拍才需牺牲亮度换便携电池款82% similarUnverified亮度越高（流明越大）的智能灯泡功耗和发热越大，而智能驱动电路怕热，高温会缩短寿命，密闭灯罩内不建议塞高功率智能灯泡82% similarUnverified灯光越强、附加除雾/调光功能越多，越暖光越费电且电路复杂故障点越多；仅照明需求选无电感应或简单开关款更耐用省心81% similarUnverified功率越高光照越强但发热越大，无散热片或无风扇的高功率（＞50W）灯具易高温衰减寿命，密集摆放灯珠的贴片灯板需带铝基板散热81% similar
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