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Switching power supply unit and disk array system

  • US 20070047100A1
  • Filed: 08/30/2006
  • Published: 03/01/2007
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
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1. A switching power supply unit which has charge accumulating unit and can supply an electric power to a load in case of emergency, wherein:

  • an electric power converting circuit and a state monitoring and control unit having a state monitoring unit of said charge accumulating unit and a control unit for controlling said electric power converting circuit are connected to said charge accumulating unit;

    said electric power converting circuit is connected to a direct-current line in said switching power supply unit so that a charge and a discharge of said charge accumulating unit can be performed; and

    a backup unit having said charge accumulating unit and said state monitoring and control unit is detachably provided in a casing of said switching power supply unit.

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