Electronic unit

H - Electricity – 05 – K

Patent

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Details

H05K 7/20 (2006.01) H01L 23/427 (2006.01)

Patent

CA 2199239

Electronic unit in which a heat conductive mounting comprises two spaced apart holding elements providing a receiving station for a printed circuit board. Edge regions of the board are in heat conductive engagement with the holding elements. Heat is conducted from electronic components on the board into the holding elements and from there into heat pipes connected to the holding elements. A housing around the heat pipes has apertures for flow of cooling air around the heat pipes. Part of the housing around the receiving station is thermally insulated thereby ensuring that substantially all of the heat is removed through the heat pipes.

Appareil électronique dans lequel un montage conducteur de chaleur comprend deux éléments de retenue espacés l'un de l'autre et constituant un poste de réception pour une carte de circuits imprimés. Les zones en bordure de la carte sont en contact conducteur de chaleur avec les éléments de retenue. La chaleur provenant de composants électroniques sur la carte est conduite dans les éléments de retenue et de là dans des conduits de chaleur raccordés aux éléments de retenue. Un boîtier autour des conduits de chaleur comporte des ouvertures pour la circulation d'air de refroidissement autour des conduits de chaleur. Une partie du boîtier autour du poste de réception est thermiquement isolée, grâce à quoi substantiellement toute la chaleur est évacuée par les conduits de chaleur.

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