Method for battery charging

H - Electricity – 02 – J

Patent

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Details

H02J 7/10 (2006.01) H01M 10/44 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2098468

The battery charging process of the present invention uses three charging rates. The initial charge rate of C charges the battery (101) until the battery's temperature reaches a certain level (102). The charger then changes to a trickle charge rate of C/8 to finish charging the battery (103). Next, the charger reduces the charging rate to C/40 to maintain the battery's charge (105). The process then monitors the battery's voltage. If the voltage signal has a slope that indicates the battery is being used by an attached device (106), the charging rate is increased to the trickle charge rate to simultaneously power the device and charge the battery.

La présente invention a pour objet un appareil utilisant trois régimes de charge pour le rechargement de batteries d'accumulateurs. Le régime de charge initial (C) est utilisé pour recharger la batterie (101) jusqu'à ce que celle-ci atteigne une certaine température (102). Le chargeur passe ensuite à un régime de faible débit (C/8) jusqu'au rechargement complet de la batterie (103). L'appareil passe ensuite à un régime d'entretien (C/40), utilisé pour maintenir la charge de la batterie (105). L'appareil surveille ensuite la tension de la batterie. Si le signal obtenu indique que la batterie est utilisée pour alimenter un appareil (106), le régime de charge retourne au niveau de faible débit pour assurer à la fois le rechargement de la batterie et l'alimentation de l'appareil en charge.

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