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按照UL8750条款,lens可以使用玻璃的。
W9 s& f2 {& \, U: s6.3.4 The lens (optic) of an LED package connected in a circuit that represents a risk of electric shock need not be provided within an enclosure if made of:
Q, g/ N/ o" g' R# Xa) Glass, or
% ^7 L3 J+ F2 y" X3 G, {& zb) A polymeric material that complies with the dielectric voltage withstand test of 8.4 when a
, } i- ] Y+ \6 n! B. A+ m3 |500-V potential is applied between the electrical connections to the LED and the lens surface.: ~* q/ L% ^% N+ G
但是我觉得有安全隐患。LED灯泡如果玻璃摔破了仍然是可以使用的,而电源部分不是class 2的,这时就会有触电危险。而传统灯泡玻璃摔破是不能再利用的。 |
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