Battery pack charging system

H - Electricity – 02 – J

Patent

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Details

H02J 7/10 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2431159

A charging system capable of charging a battery in a full charged state or an almost fully charged state while preventing performance degradation of the battery attributed to heat generation caused by the charging. The battery pack charging system (1) comprises a temperature sensing means (15) for measuring the battery temperature, a charging means (12), and a control means (13) for controlling the charging means (12) according to the battery temperature, and the control means (13) performs temperature feedback charging with a quantity dependent on the temperature (.DELTA.T/.DELTA.t) as a desired value (Y). The battery can be charged in a fully charged state or an almost fully charged state while preventing performance degradation of the battery attributed to heat generation caused by the charging.

L'invention se rapporte à un système de charge conçu pour charger à fond ou quasiment à fond une batterie et pour empêcher cependant toute dégradation des performances de la batterie résultant d'une génération de chaleur provoquée par la charge. Ce système de charge de bloc-batterie (1) comporte une unité de détection de la température (15) conçue pour mesurer la température de la batterie, une unité de charge (12) et une unité de commande (13) conçue pour commander l'unité de charge (12) en fonction de la température de la batterie, ladite unité de commande (13) effectuant une charge fonction de la rétroaction de température avec "une quantité dépendant de la température" (.DELTA.T/.DELTA.t) en tant que valeur souhaitée (Y). La batterie peut être chargée à fond ou quasiment à fond sans dégradation de ses performances résultant d'une génération de chaleur provoquée par la charge.

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