HEAT RADIATION STRUCTURE, AND LIGHTING FIXTURE

摘要

PROBLEM TO BE SOLVED: To improve heat radiation efficiency of a heat radiation structure which radiates heat generated in a heat generating portion.SOLUTION: Fins 62a-62f (radiation section) are formed by sheet metal working. A base 61 (fixation portion) has a plurality of slits (first slits, second slits) arranged nearly parallel. Each of fins 62a-62f has a contact part, a first wing part, and a second wing part. The contact part is in contact with a light source module 15 (heat generating portion). The first wing part has a shape in which a portion adjacent to the contact part of a sheet metal is bent in nearly an orthogonal direction relative to the contact part. The second wing part has a shape in which a portion adjacent to the contact part on the opposite side to the first wing part of the sheet metal is bent in nearly an orthogonal direction relative to the contact part toward the same direction as the first wing part. The first wing part and the second wing part are inserted through the plurality of slits of the base 61.