Patent ID: 7485988
Filing Date: 2009-02-03
Classification: H02J

Abstract:
1. An uninterruptible power supply connected to an external power source and a load, comprising: a switch device connected between the external power source and the load; a power supply module connected to the external power source and the load for receiving and converting the electric power received from the external power source and supplying a converted electric power to the load through the switch device; a battery module connected to the power supply module for storing electric power or supplying electric power to the power supply module; a control module connected to the external power source and the battery module and powered by the external power source or the battery module for generating a control signal according to a specific operating mode of the power supply module to manipulate the switching device such that the electric power is supplied to the load through the power supply module or a bypass route, and the control module connected to the switch device for providing power to the switch device; and a display panel connected to and powered through the control module for receiving a system status information of the uninterruptible power supply from the control module and displaying the system status information of the uninterruptible power supply.