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按照UL8750条款,lens可以使用玻璃的。 % L& V, Q4 |6 O) S8 O& Y# H
6.3.4 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:) e( H2 k' y( l. R+ A
a) Glass, or
& A6 ?9 M* \* q( lb) A polymeric material that complies with the dielectric voltage withstand test of 8.4 when a' j, s/ q3 q3 m9 F2 N" h
500-V potential is applied between the electrical connections to the LED and the lens surface.
/ ^& N/ y; h% n( ^) [% F" D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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