Secondary battery charge and discharge control device

Details Secondary battery charge and discharge control device Secondary battery charge and discharge control device

H - Electricity

02

J

H02J 7/16 (2006.01) B60L 11/18 (2006.01) B60K 6/04 (2006.01)

Patent

CA 2249933

The charge and discharge are performed by a proper electric power corresponding to the service environment of a battery and the state of the battery. When the temperature of the battery is not more than a specific temperature, or not less than another specified temperature, the upper limit value Pin-s of the charging electric power and the upper limit value Pout-s of the discharging electric power are determined so as to be smaller than those at a normal temperature. The temperature of the battery is detected, and the charging electric power and the discharging electric power are determined so that they may be not more than the upper limit values Pin-s, Pout-s of the charging and the discharging electric power at this temperature, and the charge control of the battery is performed.

La recharge et la décharge des batteries correspondent aux conditions d'utilisation des batteries et de l'état de celles-ci. Lorsque la température d'une batterie ne dépasse pas une température spécifique, et n'est pas inférieure à une température minimale spécifique, la limite supérieure (Pin-s) du courant de recharge et la limite supérieure (P-out) du courant de sortie de la tension de charge sont déterminées de manière à être inférieures aux valeurs de température normales. La température de la batterie est mesurée, le courant de recharge et le courant de décharge sont déterminés de manière à ne pas dépasser les limites supérieures (Pin-s et Pout-s) des courants de charge et de décharge de la batterie à cette température, et la régulation de la charge de la batterie est ainsi réalisée.

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