A rechargeable power supply

Details A rechargeable power supply A rechargeable power supply

H - Electricity

02

J

H02J 7/00 (2006.01) H02H 9/04 (2006.01)

Patent

CA 2484161

A rechargeable power supply (10) comprises at least one a rechargeable cell (12) connectable to a power source (14), a Zener diode (20) connected to the at least one cell (12), and a bipolar transistor or FET (22) for selectively disconnecting the Zener diode (20) from the cell (12) thereby to reduce any discharge of the cell (12) through the voltage protection means (20). The Zener diode (20) and the transistor (22) are connected together in series and jointly connected across the cell in parallel.

L'invention concerne un bloc d'alimentation rechargeable (10) comprenant au moins une cellule rechargeable (12) pouvant être connectée à une source d'énergie (14), une diode de Zener (20) connectée à la ou aux cellule(s) (12), et un transistor bipolaire ou un transistor à effet de champ (22) permettant de déconnecter sélectivement la diode de Zener (20) de la cellule (12) pour ainsi réduire toute décharge de la cellule (12) à l'aide du protection contre les surtensions (20). La diode de Zener (20)et le transistor (22) sont tous les deux montés en série et sont interconnectés en parallèle à travers la cellule.

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