Dynamic charging device and method thereof

• US 9,368,994 B2
• Filed: 03/12/2013
• Issued: 06/14/2016
• Est. Priority Date: 07/06/2012
• Status: Active Grant

• Current Assignee: Wistron Corporation
• Original Assignee: Wistron Corporation
• Inventors: Hsia, Wen-Nan
• Primary Examiner(s): Fantu, Yalkew
• Application Number:
  US13/794,829
• Publication Number:
  US 20140009107A1
• Time in Patent Office: 1,190 Days
• Field of Search: 320/107
• US Class Current: 1/1
• CPC Class Codes: H02J 7/0068 Battery or charger load switching, e.g. concurrent charging and load supply H02J7/0013 takes precedence
• CPC Class Codes: H02J 7/007 Regulation of charging or discharging current or voltage

Abstract

A dynamic charging device includes a detection module for generating a detection signal according to an input signal, a control module coupled to the detection module for generating a control signal according to the detection signal, and an output module coupled to the control module for dynamically adjusting amounts of the input signal according to the control signal and the input signal, so as to process a charging operation for a load module, wherein the input signal is an input current or a voltage source.

Claims

1. A dynamic charging device comprising:

a detection module for generating a detection signal according to an input signal;

a control module coupled to the detection module for generating a control signal according to the detection signal; and

an output module coupled to the control module for dynamically adjusting amounts of the input signal according to the control signal and the input signal, so as to process a charging operation for a load module;

wherein the input signal is an input current or a voltage source, and the load module further comprises a limitation module to connect a master control device and at least a portable electronic device in parallel, such that an adjustable current of the adjusted input signal is supplied to the portable electronic device and a fixed current of the adjusted input signal is supplied to the master control device.

2. The dynamic charging device of claim 1, wherein the output module further comprises a comparison module having a threshold, and the comparison module generates a comparison result according to the adjusted input signal, the threshold and the control signal.

3. The dynamic charging device of claim 2, wherein the output module further comprises an adjustment module for dynamically adjusting the amounts of the input signal according to the comparison result.

4. The dynamic charging device of claim 3, wherein when the comparison result is that the adjusted input signal is not smaller than the threshold, an elevation result is generated to increase the amounts of the input signal.

5. The dynamic charging device of claim 3, wherein when the comparison result is that the adjusted input signal is smaller than the threshold, a reduction result is generated to decrease the amounts of the input signal.

6. The dynamic charging device of claim 1, further comprising a feedback module for generating a feedback signal according to the charging operation of the load module.

7. The dynamic charging device of claim 6, further comprising a limitation module for receiving the input signal and predetermining a minimum operational signal.

8. The dynamic charging device of claim 7, wherein the limitation module dynamically adjusts the minimum operational signal according to the feedback signal, so as to prevent the input signal from being smaller than the minimum operational signal.

9. The dynamic charging device of claim 6, wherein the output module further comprises a limitation module for adjusting the amounts of the input signal according to the feedback signal.

10. The dynamic charging device of claim 6, wherein the load module further comprises a limitation module for adjusting the amounts of the input signal according to the feedback signal.

11. The dynamic charging device of claim 10, wherein the load module further comprises a master control device and at least a portable electronic device, and the portable electronic device processes the charging operation according to the adjusted input signal.

12. A dynamic charging method for a dynamic charging device comprising:

generating a detection signal according to an input signal;

generating a control signal according to the detection signal; and

dynamically adjusting amounts of the input signal according to the control signal and the input signal, so as to process a charging operation for a load module;

wherein the input signal is an input current or a voltage source, and the load module further comprises a limitation module to connect a master control device and at least a portable electronic device in parallel, such that an adjustable current of the adjusted input signal is supplied to the portable electronic device and a fixed current of the adjusted input signal is supplied to the master control device.

13. The dynamic charging method of claim 12, further comprising generating a comparison result according to the adjusted input signal, a threshold and the control signal.

14. The dynamic charging method of claim 13, further comprising dynamically adjusting the amounts of the input signal according to the comparison result.

15. The dynamic charging method of claim 14, wherein when the comparison result is that the adjusted input signal is not smaller than the threshold, an elevation result is generated to increase the amounts of the input signal.

16. The dynamic charging method of claim 14, wherein when the comparison result is that the adjusted input signal is smaller than the threshold, a reduction result is generated to decrease the amounts of the input signal.

17. The dynamic charging method of claim 12, further comprising generating a feedback signal according to the charging operation of the load module.

18. The dynamic charging method of claim 17, further comprising utilizing a limitation module for receiving the input signal and predetermining a minimum operational signal.

19. The dynamic charging method of claim 18, wherein the limitation module dynamically adjusts the minimum operational signal according to the feedback signal, so as to prevent the input signal from being smaller than the minimum operational signal.

20. The dynamic charging method of claim 17, further comprising utilizing a limitation module for adjusting the amounts of the input signal according to the feedback signal.

21. The dynamic charging method of claim 17, wherein the load module further utilizes a limitation module for adjusting the amounts of the input signal according to the feedback signal.

22. The dynamic charging method of claim 21, wherein the load module further comprises a master control device and at least a portable electronic device, and the portable electronic device processes the charging operation according to the adjusted input signal.