FIELD: lighting engineering.
SUBSTANCE: invention relates to LED light fixture cooling systems. LED lamp contains at least, cooling system and a certain number of light-emitting diodes, wherein said lamp includes completely closed valves with fire-resistant jacket, which is ex-d type shell and in which housing radiator is placed as part of said cooling system, wherein cooling system also includes air circulation providing means with electric drive, which is placed inside fire-resistant jacket and contains at least, cooling fan, wherein this cooling fan is separated from motor fan, and motor fan is arranged inside said ex-d type shell.
EFFECT: using such cooling system it is possible to compensate for light flux reduction with minimum additional costs or minimum additional weight or size of the lamp, wherein LED lamp simultaneously can be used in hazardous areas in wide temperature range.
16 cl, 7 dwg
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