Heat-radiation structure of electronic-unit box

Details Heat-radiation structure of electronic-unit box Heat-radiation structure of electronic-unit box

H - Electricity

05

K

H05K 7/20 (2006.01) B60R 16/02 (2006.01) H05K 5/02 (2006.01)

Patent

CA 2202447

A heat-radiation structure of an electronic-unit box in which an air layer is formed between a primary peripheral wall of the electronic-unit box and a secondary peripheral wall located inside the primary peripheral wall, and an electronic unit is received inside the secondary peripheral wall, an air intake and an air outlet are provided in a box body so as to communicate with the air layer, and air interrupting walls are provided in a shorter peripheral-distance-side flow path of the air layer between the air intake and the air outlet so that cooling air passes through a longer peripheral-distance-side flow path of the air layer from the air intake to the air outlet. Preferably, an electric fan is provided at the air outlet.

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