卤素灯是否要求有强制要求"UV filter"!!---已经有答案

suqaxs

请问,对于使用卤素灯的灯具应该有个UV filter?一般来讲,我们会用一个玻璃片而以.但是我们是否要在玻璃片上注明是"UV filter"?UL是否有强制要求啊!

yin168

52.5 Ultraviolet (UV) filter
52.5.1 A portable luminaire intended for use with only double envelope tungsten-halogen type lamps and
that is marked in accordance with 171.2.2 or 171.2.4 is determined to comply with the UV filter
requirements in this Section.
52.5.2 A portable luminaire that is able to be used with single envelope tungsten-halogen type lamps –
lamps not provided with an integral outer glass envelope shall be provided with a UV filter.

yin168

171 Tungsten Halogen Units
171.1 Lamp replacement – single envelope lamp
171.1.1 A portable luminaire intended for use with a tungsten-halogen lamp having a single envelope
shall be marked in Form A-3 in accordance with 170.1 to indicate the proper wattage, type, and voltage
of the replacement lamp(s).
171.1.2 A halogen torchiere unit intended for use with a single-ended lamp and without a guard as
specified in 52.3.12 shall be marked in Form A-3: ²WARNING – Risk of Fire – Use (1)___ W Maximum,
Type (2)___ Single Envelope Tungsten Halogen Lamp That Is Marked On The Lamp Carton As Being
Suitable For Use Without An Additional Shield.² The blanks shall be filled in with:
a) Test lamp wattage; and
b) Lamp shape, symbol, and outline drawing.
When the lamp is a type not commonly available, with a shape and diameter other than the types specified
in Table 125.2, the marking shall include the lamp manufacturer’s name and ordering code. See 81.2.
171.2 Lamp replacement – double envelope lamp
171.2.1 A portable luminaire intended for use with a tungsten-halogen lamp having a double envelope
shall be marked in accordance with 170.1 to indicate the proper wattage, type, and voltage of the
replacement lamp(s).
Exception: Lamps having integral UV filters and containment barriers are able to be alternately marked
in accordance with 171.2.2 or 171.2.4.
171.2.2 A portable luminaire intended for use with a medium base Type A style double envelope
tungsten-halogen lamp or Type A incandescent lamp shall be marked in Form A-3 ²CAUTION:² ²Risk of
Fire, Use _W Maximum, Type A or Medium Base Type A Style Double Envelope Tungsten Halogen Lamp
That is Marked on the Bulb (Lamp) Carton as Being for use Without Additional Shield², or alternately
CAUTION: ²Risk of Fire – Use __W Maximum, Type A or Classified Tungsten Halogen Lamp², or
equivalent.
171.2.3 The lamp identified in 171.2.2 shall be:
a) The wattage tested; or
b) Not exceed 100W and be rated in accordance with the Temperature Test-Exempt Units
requirements of Section 47.
171.2.4 A portable luminaire equipped with a lamp other than a medium base double envelope tungsten
halogen lamp that complies with the Exception to 52.2.1 or the Exception to 52.4.1 shall be marked in
Form A-3 with the word ²WARNING² or ²CAUTION: Risk of Fire and Exposure to Excessive UV Radiation
– Use __W Maximum Double Envelope Tungsten Halogen Bulb (Lamp) That is Marked on the Lamp
Carton As Being Suitable For Use Without an Additional Shield², or equivalent.

suqaxs

感谢fasten的解答.谢谢!
还有一个小问题:要不要在玻璃片上注明"UV filter"?

yang1933

不需要

suqaxs

有没有依据啊!我也认为是不需要的,但是我们的客人说一定要的,但是也拿不出来证据的.我也不想与他们去争了,但是我想真正弄清楚这个东西究竟要还是不要.谢谢大家!

yang1933

上面fasten已经说清楚了,按照UL153标准,如果卤素光源只有灯泡本身的玻璃做防护,则需要提供一个UV Filter,如果除了灯泡还带有防护罩,则需要满足以下要求:
防护罩如果是玻璃,则必须是防UV的sodalime glass,或者其他玻璃(波长要满足标准要求),厚度最少3.2mm.塑料为2.4mm.
52.5 Ultraviolet (UV) filter
52.5.1 A portable luminaire intended for use with only double envelope tungsten-halogen type lamps and
that is marked in accordance with 171.2.2 or 171.2.4 is determined to comply with the UV filter
requirements in this Section.
52.5.2 A portable luminaire that is able to be used with single envelope tungsten-halogen type lamps –
lamps not provided with an integral outer glass envelope shall be provided with a UV filter.
Exception No. 1: A portable luminaire in which the light source is located 5 feet (1.5 m) or more above the
floor, and the light source is directed only in the upward direction (i.e., torchiere style) is not required to
be provided with a UV filter.
Exception No. 2: A surface mounted unit marked in accordance with 171.4 to indicate mounting a
minimum of 5 feet above the floor and the light source is directed only in the upward direction is not
required to be provided with a UV filter.
52.5.3 A downlight diffuser provided on a portable luminaire that is constructed as described in the
Exceptions No. 1 and No. 2 to 52.5.2 shall comply with the UV filter requirements of this Section.
52.5.4 A UV filter shall be constructed of:
a) Sodalime glass, or glass with transmission characteristics in accordance with Table 52.1.
Either type shall be minimum 1/8 inch (3.2 mm) (3.0 mm metric trade size) thick for over 100 W
or 3/32 inch (2.4 mm) thick for 100 watts or less; or
b) A polymeric material with transmission characteristics in accordance with Table 52.1 and
minimum 3/32 inch (2.4 mm) thick.

suqaxs

谢谢!你们解释的非常好!UV filter 是有的,但是要不要在玻璃上标明这就是个UV filter呢?