Patent ID: 8093755

Claim:
A power supply system for an electric appliance, comprising: a power supply device including a common power supply and a standby power supply; a switch device, the power supply device being connected to the electric appliance by the switch device to supply electric power to the electric appliance, wherein both the common power supply and the standby power supply are connected to the switch device to selectively supply electric power to the electric appliance; a detecting device connected to the switch device to detect working electric potential of the power supply device and the electric appliance, and generating and recording detecting data of the power supply device and the electric appliance; the detecting device including a control module, a wireless communication module, a battery, and a charger connected to the control module, the wireless communication module, and the battery; the battery supplying electric power to the control module and the wireless communication module through the charger; the control module recording the detecting data and determining if the working electric potentials of the common power supply, the stand power supply and the electric appliance are in acceptable ranges according to the detecting data; and a wireless operating terminal communicating with the detecting device for remotely receiving the detecting data from the detecting device, the wireless communication module communicating with the wireless operating terminal for sending the detecting data to the wireless operating terminal and receiving instructions from the wireless operating terminal.