Unverified88% confidenceDecision RuleTime unknown
散热是最大安全隐患:全密封盒会积热,若排插总功率超过1500W(如接了电暖器、吹风机)不应使用密封式保护盒,应选带通风格栅或侧面镂空开口的款式
1
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88%
Confidence
Long-term
Relevance
-
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Unverified散热是安全关键:总功率超过500W(如接了大功率插排、显示器、路由器电源)时,必须选带侧面散热镂空孔或散热栅格的款式,全封闭盒内温度可比环境高15-20℃87% similarUnverified选带侧面散热开孔或格栅设计的款式,密闭防护盒内插排长时间通电(如路由器、鱼缸设备)会积热,箱内温度可比外部高10-15度,加速插头老化83% similarUnverified屏蔽罩会显著削弱散热:全封闭型需内置强制风扇+波导通风窗(蜂窝状金属通风板),通风窗孔径应≤最高屏蔽频率波长的1/10才不漏电磁波,纯布料无通风设计的封闭罩不适合发热量>500W的机柜83% similarUnverified全封闭保护盒必须选带侧面/底部通风孔的款式,充电器和大功率设备(电热类)持续工作会积热,密闭盒内温度可比室温高15-20度,加速绝缘老化83% similarUnverified封闭式收纳盒会显著阻碍散热,插排持续负载超过额定功率60%(如1000W以上)时不建议全封闭,应选带侧面散热格栅或顶部镂空的款式82% similar
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