Lamp assembly for a controlled environment chamber

Details Lamp assembly for a controlled environment chamber Lamp assembly for a controlled environment chamber

F - Mech Eng,Light,Heat,Weapons

21

S

F21S 2/00 (2006.01) A01G 9/20 (2006.01) A01G 9/24 (2006.01) F21V 23/06 (2006.01) F21V 31/00 (2006.01)

Patent

CA 2633124

A lamp assembly for a controlled environment chamber comprises a frame, a plurality of fluorescent lamps supported on the frame and spaced apart from one another and a plurality of sleeves. Each sleeve is disposed about a respective fluorescent lamp at a distance therefrom to form a space between said sleeve and said respective fluorescent lamp, said sleeve being sealed about said respective fluorescent lamp to prevent air from outside said sleeve from reaching said respective fluorescent lamp. The sleeves are spaced apart to allow airflow therebetween. With the space between each sleeve and the respective lamp being fluidly isolated from air surrounding the sleeve, the light intensity output of the lamp is not as susceptible to reduction under temperature fluctuation in the chamber interior outside the sleeves, while said air remains free to flow between the lamps from one side of the lamp assembly to the other.

L'invention concerne un luminaire pour chambre à environnement contrôlé, comprenant un châssis, une pluralité de tubes fluorescents supportés par le châssis et espacés sur celui-ci, ainsi qu'une pluralité de manchons isolants. Chaque manchon est disposé autour d'un tube fluorescent à une certaine distance du tube de façon à laisser un espace entre ceux-ci, le tout étant scellé pour empêcher l'air extérieur d'entrer en contact avec le tube. Les manchons en question sont espacés de façon à permettre à l'air de circuler entre eux. Du fait de cet espacement et de l'isolation fluidique des lampes par rapport à l'air ambiant, le flux lumineux produit est moins sujet à des pertes de puissance, en cas de fluctuations de température à l'intérieur de la chambre, et l'air peut ainsi circuler librement entre les tubes, d'un côté à l'autre de l'assemblage.

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