System for providing backup power to an electronic device

Details System for providing backup power to an electronic device System for providing backup power to an electronic device

H - Electricity

02

J

H02J 9/00 (2006.01) G06F 1/28 (2006.01) G06F 1/30 (2006.01) H02J 7/34 (2006.01) H02J 9/06 (2006.01)

Patent

CA 2515267

A system for providing backup power to essential system elements in the event of a power failure. According to this embodiment, a failure detection circuit and capacitance storage are connected to the power inputs of essential system circuit boards, in line with the standard direct-current (DC) power source. The DC source maintains the charge of the capacitance storage, and when a failure is detected, the capacitors discharge to maintain stable DC power input to the system circuit boards. In the preferred embodiment, at least 30 seconds of backup power is available when needed.

L'invention porte sur un système visant à créer une alimentation de réserve pour des éléments d'un système essentiel en cas de panne de courant. Selon un mode de mise en oeuvre, un circuit de détection de panne et une retenue de capacité sont raccordés à des entrées d'alimentation des cartes de circuits du système essentiel, en ligne avec la source d'alimentation standard en courant continu. La source de courant continu conserve la charge de la retenue de capacité et, à la détection d'une panne, les condensateurs se déchargent pour conserver une entrée d'alimentation en courant continu stable vers le cartes de circuits du système. Selon un mode de mise en oeuvre préféré, au moins 30 secondes d'alimentation de réserve sont disponibles en cas de besoin.

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