Unverified80% confidenceDecision RuleTime unknown
关注光效(lm/W)而非单纯瓦数,优质智能灯泡光效应≥80lm/W,一个9W灯泡实际亮度可能因光效差异从600lm到810lm不等,低光效产品发热大寿命短
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Unverified发光效率关注每瓦流明(lm/W),优质智能灯泡应≥90lm/W,一颗9W灯泡应达到800lm以上,低于70lm/W说明是低效芯片或标注虚高89% similarUnverified光效指标看流明每瓦(lm/W)而非单看功率:优质LED灯泡≥90lm/W,9W可达800流明以上,替代传统60W白炽灯;只标功率不标流明的产品需警惕虚标88% similarUnverified看光效比看功率更重要,选每瓦流明≥100lm/W的灯泡,9W达到900lm以上才算合格,低于80lm/W说明能效差或虚标88% similarUnverified全光谱灯泡实测光效通常仅60-80lm/W,明显低于普通LED的100-150lm/W,因此同等亮度下功率更高、发热更大,需为吊灯预留散热空间并注意驱动电源寿命85% similarUnverified常见9W智能LED灯泡光通量约800-1000流明(相当于60W白炽灯),发光效率约90-110lm/W,全彩款因驱动复杂效率通常低于纯白光款84% similar
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