Built-in uninterruptible power supply system and electronic device using the same

• US 20090174258A1
• Filed: 11/10/2008
• Published: 07/09/2009
• Est. Priority Date: 01/08/2008
• Status: Abandoned Application

• Current Assignee: ASUSTek Computer, Inc.
• Original Assignee: ASUSTek Computer, Inc.
• Inventors: Liao, Chun-Hao, Liu, Ta-Wei, Chu, Chao-Ming, Wei, Hsuan-Wu, Wang, Shun-Lung, Huang, Chih-Min
• Application Number:
  US12/289,999
• Publication Number:
  US 20090174258A1
• Time in Patent Office: Days
• US Class Current: 307/64
• CPC Class Codes: H02J 9/061 for DC powered loads
• CPC Class Codes: H02J 9/068 Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection

Abstract

A built-in uninterruptible power supply system and an electronic device using the same are provided. The built-in uninterruptible power supply system supplies power to an electronic component of an electronic device. The built-in uninterruptible power supply system includes a power supply, a power storage, a power supply switch and a power display. The power supply switch electrically couples the power supply with the power storage. The power supply switch switches to transmit a first power or a second power to the electronic component. The power display is disposed in the casing and electrically coupled with the power storage for displaying a storage power of the power storage. When the external power source stops supplying power to the power supply, the power supply switch switches to transmit the second power from the power storage to the electronic component.

Claims

1. A built-in uninterruptible power supply system for supplying power to an electronic component of an electronic device, wherein the electronic device has a casing, and the built-in uninterruptible power supply system comprises:

a power supply disposed in the casing, for receiving power supplied by an external power source for providing a first power;

a power storage disposed in the casing, for providing a second power;

a power supply switch electrically coupling the power supply with the power storage, for switching to make the first power or the second power transmit to the electronic component; and

a power display disposed in the casing and electrically coupled with the power storage, for displaying a storage power of the power storage;

when the external power source stops supplying power to the power supply, the power supply switch switches, and then the second power is transmitted from the power storage to the electronic component.

2. The built-in uninterruptible power supply system according to claim 1, wherein when the external power source stops supplying power to the power supply, the power display displays the storage power.

3. The built-in uninterruptible power supply system according to claim 1, wherein when the external power source supplies power to the power supply, the power supply transmits the first power to the electronic component.

4. The built-in uninterruptible power supply system according to claim 1, wherein when the external power source supplies power to the power supply and the storage power is smaller than a predetermined value, the power supply charges the power storage through the power supply switch.

5. The built-in uninterruptible power supply system according to claim 1, wherein a surface of the power display is exposed from an outer surface of the casing.

6. The built-in uninterruptible power supply system according to claim 5, wherein the power display has a plurality of light emitting diodes (LEDs) disposed on the surface of the power display;

wherein the more LEDs are turned on, the higher the storage power of the power storage is.

7. The built-in uninterruptible power supply system according to claim 6, wherein the LEDs are all turned on to indicate that the power storage is full-charged.

8. The built-in uninterruptible power supply system according to claim 6, wherein the power display is further electrically coupled with the power supply, and when the external power source supplies power to the power supply, the LEDs are all turned on to indicate that the system is full-charged.

9. The built-in uninterruptible power supply system according to claim 6, wherein the power display is further electrically coupled with the power supply, when the external power source supplies power to the power supply, the power display stops displaying the storage power.

10. An electronic device, comprising:

a casing;

an electronic component disposed in the casing; and

a built-in uninterruptible power supply system for supplying power to the electronic component of the electronic device, wherein the built-in uninterruptible power supply system comprises;

a power supply disposed in the casing, for receiving power supplied by an external power source for providing a first power;

a power storage disposed in the casing for providing a second power;

a power supply switch electrically coupling the power supply with the power storage, for switching to make the first power or the second power transmit to the electronic component; and

a power display disposed in the casing and electrically coupled with the power storage, for displaying a storage power of the power storage;

when the external power source stops supplying power to the power supply, the power supply switch switches, and then the second power is transmitted from the power storage to the electronic component.

11. The electronic device according to claim 10, wherein when the external power source stops supplying power to the power supply, the power display starts to display the storage power.

12. The electronic device according to claim 10, wherein when the external power source supplies power to the power supply, the power supply transmits the first power to the electronic component.

13. The electronic device according to claim 10, wherein when the external power source supplies power to the power supply and the storage power is smaller than a predetermined value, the power supply charges the power storage through the power supply switch.

14. The electronic device according to claim 10, wherein a surface of the power display is exposed from an outer surface of the casing.

15. The electronic device according to claim 14, wherein the power display has a plurality of light emitting diodes (LED) disposed on the surface of the power display;

wherein the more LEDs are turned on, the higher the storage power of the power storage is.

16. The electronic device according to claim 15, wherein the LEDs are all turned on to indicate that the power storage is full-charged.

17. The electronic device according to claim 15, wherein the power display is further electrically coupled with the power supply, and when the external power source supplies power to the power supply, the LEDs are all turned on to indicate that the system is full-charged.

18. The electronic device according to claim 15, wherein the power display is further electrically coupled with the power supply, and when the external power source supplies power to the power supply, the power display stops displaying the storage power.

19. The electronic device according to claim 10, wherein the electronic device is a desktop computer host.