Refrigeration system for compact equipment

G - Physics – 06 – F

Patent

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Details

G06F 1/20 (2006.01) G06F 1/16 (2006.01)

Patent

CA 2757350

The present invention provides a refrigeration system for compact equipment, particularly of the type comprising electronic circuits and internally provided with a heat source (F) to be cooled, said refrigeration system comprising: a heat dissipation device (10) mounted in the equipment (E) and including a heat absorbing portion (11), which absorbs heat from the heat source (F), and a heat dissipation portion (12) accessible from the outside of the equipment (E) and which releases the heat to the exterior of the equipment (E); and an auxiliary refrigeration circuit (CA) external to the equipment (E) and having: a heat absorbing means (20) to be selectively coupled to the heat dissipation portion (12) so as to receive therefrom, by conduction, at least part of the heat received from the heat source (F) and dissipated by said heat dissipation portion (12); and a heat dissipation means (30) which releases the heat to the environment external to the equipment (E).

L'invention concerne un système de réfrigération pour un équipement compact, en particulier du type comprenant des circuits électroniques et doté à l'intérieur d'une source de chaleur (F) à refroidir. Ledit système de réfrigération comprend : un dissipateur thermique (10) monté dans l'équipement (E) et comprenant une partie d'absorption de chaleur (11), qui absorbe la chaleur provenant de la source de chaleur (F), et une partie de dissipation thermique (12) accessible depuis l'extérieur de l'équipement (E) et qui libère de la chaleur à l'extérieur de l'équipement (E) ; et un circuit de réfrigération auxiliaire (CA) externe à l'équipement (E) et comportant : un moyen d'absorption de la chaleur (20) devant être couplé de manière sélective à la partie de dissipation thermique (12) de manière à recevoir de celle-ci, par conduction, au moins une partie de la chaleur reçue depuis la source de chaleur (F) et dissipée par ladite partie de dissipation thermique (12) ; et un moyen de dissipation thermique (30) qui libère la chaleur dans l'environnement extérieur à l'équipement (E).

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