Heat radiation structure for secondary battery module, and...

H - Electricity – 01 – M

Patent

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H01M 2/10 (2006.01)

Patent

CA 2589867

Disclosed herein is a heat dissipation structure that is capable of effectively dissipating heat generated from switching elements for controlling overcharge, overdischarge, and overcurrent of a high-output, large-capacity secondary battery module or pack having a plurality of unit cells electrically connected with each other such that the unit cells can be charged and discharged. A switching board has the heat dissipation structure and the switching elements, which are mounted on a printed circuit board. A secondary battery module includes the switching board. The size of the heat dissipation structure according to the present invention can be effectively increased or decreased depending upon desired electrical capacity and output. Also, the heat dissipation structure provides high heat dissipation efficiency even though the heat dissipation structure is compact.

L~invention concerne une structure de dissipation thermique qui est susceptible de dissiper efficacement la chaleur générée à partir d~éléments de commutation pour contrôler la charge excessive, la décharge excessive et la surintensité d~un module ou d~un pack de batterie secondaire de grande capacité à haut rendement ayant une pluralité de cellules unitaires connectées électriquement les unes aux autres de telle sorte que les cellules unitaires peuvent être chargées et déchargées. Une carte de commutation a la structure de dissipation thermique et les éléments de commutation, qui sont montés sur une carte de circuit imprimé. Un module de batterie secondaire comprend la carte de commutation. La taille de la structure de dissipation thermique selon la présente invention peut être augmentée ou diminuée efficacement selon la capacité électrique et le rendement souhaités. En outre, la structure de dissipation thermique apporte une grande efficacité de dissipation thermique même si la structure de dissipation thermique est compacte.

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