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A power supply system includes a power supply device, a switch device, a detecting device and a wireless operating terminal. The power supply device is connected to an electric appliance via the switch device to supply electric power to the electric appliance. The detecting device is connected to th

A power supply system includes a power supply device, a switch device, a detecting device and a wireless operating terminal. The power supply device is connected to an electric appliance via the switch device to supply electric power to the electric appliance. The detecting device is connected to the switch device to detect working electric potential of the power supply device and the electric appliance, thereby generating and recording detecting data of the power supply device and the electric appliance. The wireless operating terminal communicates with the detecting device for remotely receiving the detecting data from the detecting device.

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1. 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,

1. 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; anda 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. 2. The power supply as claimed in claim 1, wherein the switch device includes a first switch connected to the common power supply, a second switch connected to the standby power supply and a third switch connected to the first switch, the second switch and the electric appliance. 3. The power supply system as claimed in claim 2, wherein the switch device further includes a first detector connected to the first switch, a second detector connected to the second switch and a third detector connected to the third switch, the first detector, the second detector, and the third detector detecting the working electric potentials of the first switch, the second switch and the third switch, respectively and generating the detecting data of the common power supply, the stand power supply and the electric appliance, respectively. 4. The power supply system as claimed in claim 3, wherein the control module is connected to the first detector, the second detector and the third detector to record the detecting data and determine if the working electric potentials of the common power supply, the standby power supply and the electric appliance are in acceptable ranges according to the detecting data. 5. The power supply system as claimed in claim 4, wherein the switch device further includes a relay connected between the control module and the second switch, and the control module controls the standby power supply to replace the common power supply to supply electric power to the electric appliance via the relay and the second switch. 6. The power supply system as claimed in claim 4, wherein the detecting device further includes a regulator connected to the switch device, the power supply device supplies electric power to the control module and the wireless communication module via the switch device, the regulator and the charger. 7. A power supply system for supplying electric power to an electric appliance, comprising: a power supply device including a common power supply and a standby power supply;a switch device, the common power supply and the standby power supply being selectively connected to the electric appliance by the switch device;a plurality of detectors respectively connected to the common power supply, the standby power supply and the electric appliance to detect the electric potentials thereof and generating detecting data according to the electric potentials;a control module connected to the connectors to record the detecting data and determine if the electric potentials of the common power supply, the stand power supply and the electric appliance are in acceptable ranges according to the detecting data;a wireless communication module connected to the control module;a charger connected to the control module and the wireless communication module;a battery connected to the charger to supply electric power to the control module and the wireless communication module through the charger; anda wireless operating terminal communicating with the detecting device for remotely receiving the detecting data from the wireless communication module. 8. The power supply as claimed in claim 7, wherein the switch device includes a first switch connected to the common power supply, a second switch connected to the standby power supply and a third switch connected to the first switch, the second switch and the electric appliance. 9. The power supply system as claimed in claim 8, wherein the switch device includes a first detector connected to the first switch, a second detector connected to the second switch and a third detector connected to the third switch to respectively detect working electric potentials of the first switch, the second switch and the third switch and generate detecting data of the common power supply, the stand power supply and the electric appliance. 10. The power supply system as claimed in claim 9, wherein the switch device further includes a relay connected between the control module and the second switch, and the control module controls the standby power supply to replace the common power supply to supply electric power to the electric appliance by the relay and the second switch. 11. A power supply system for supplying electric power to an electric appliance, comprising: a power supply device including a common power supply and a standby power supply;a switch device, the common power supply and the standby power supply being selectively connected to the electric appliance by the switch device, the switch device detecting working electric potentials of the power supply device and the electric appliance;a detecting device connected to the switch device for generating and recording detecting data of the power supply device and the electric appliance according to the working electric potentials of the power supply device and the electric appliance detected by the switch device, 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; anda wireless operating terminal communicating with the detecting device to remotely receive the detecting data from the detecting device and send instruction to the detecting device, thereby controlling the switch device to selectively connect the common power supply and the standby power supply to the electric appliance to supply electric power; the wireless communication module communicating with the wireless operating terminal for sending the detecting data to the wireless operating terminal and receiving the instruction from the wireless operating terminal. 12. The power supply as claimed in claim 11, wherein the switch device includes a first switch connected to the common power supply, a second switch connected to the standby power supply and a third switch connected to the first switch, the second switch and the electric appliance. 13. The power supply system as claimed in claim 12, wherein the switch device further includes a first detector connected to the first switch, a second detector connected to the second switch and a third detector connected to the third switch to respectively detect working electric potentials of the first switch, the second switch and the third switch and generate detecting data of the common power supply, the stand power supply and the electric appliance. 14. The power supply system as claimed in claim 13, wherein the switch device further includes a relay connected between the control module and the second switch, and the control module controls the standby power supply to replace the common power supply to supply electric power to the electric appliance by the relay and the second switch. 15. The power supply as claimed in claim 14, wherein the control module controls the relay and the second switch according to the instruction sent from the wireless operating terminal.