Wireless power charging apparatus and method of charging the apparatus

• US 9,197,095 B2
• Filed: 01/24/2014
• Issued: 11/24/2015
• Est. Priority Date: 01/24/2013
• Status: Active Grant

• Current Assignee: Electronics and Telecommunications Research Institute
• Original Assignee: Electronics and Telecommunications Research Institute
• Inventors: Kim, Jae Hoon, Ahn, Do Seob, Kim, Myung Hoi
• Primary Examiner(s): Williams, Kimberly A
• Application Number:
  US14/163,966
• Publication Number:
  US 20140206384A1
• Time in Patent Office: 669 Days
• Field of Search: None
• US Class Current: 1/1
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/60 responsive to the presence of foreign objects, e.g. detection of living beings
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: H02J 7/00034 Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
• CPC Class Codes: H04W 64/00 Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Abstract

A wireless power charging apparatus and method are provided, which recognizes location information of at least one wireless power receiving apparatus; selects at least one of at least one wireless power transmitter that supplies power to the at least one wireless power receiving apparatus based on the location information; and supplies power to the at least one wireless power receiving apparatus through the at least one selected wireless power transmitter.

Claims

1. A wireless power charging apparatus comprising:

at least one wireless power transmitter to supply power to at least one wireless power receiving apparatus;

a location recognizer to recognize location information of the at least one wireless power receiving apparatus; and

a controller to select at least one of the at least one wireless power transmitter based on the location information, and control the at least one selected wireless power transmitter to supply power to the at least one wireless power receiving apparatus,

wherein the controller analyzes at least one of charging efficiency and a body harm rate of the at least one wireless power transmitter based on the location information, and selects at least one of the at least one wireless power transmitter based on an analysis result.

2. The wireless power charging apparatus of claim 1, wherein the location recognizer recognizes a change in the location information by a real time polling method or an interrupt method.

3. The wireless power charging apparatus of claim 1, wherein the location recognizer recognizes the location information using near frequency communication (NFC), image recognition, a piezoelectric and electric field change sensor, triangulation using a wireless local area network (WLAN), and global positioning system (GPS) information.

4. The wireless power charging apparatus of claim 1, wherein the controller further analyzes capability information of the at least one wireless power transmitter and selects at least one of the at least one wireless power transmitter based on an analysis result.

5. The wireless power charging apparatus of claim 1, wherein the controller selects at least one of the at least one wireless power transmitter so that the charging efficiency is maximized.

6. The wireless power charging apparatus of claim 1, wherein the controller selects at least one of the at least one wireless power transmitter so that the body harm rate is minimized.

7. The wireless power charging apparatus of claim 1, wherein the controller monitors whether the location information is changed according to a movement of the wireless power receiving apparatus, and selects at least one of the at least one wireless power transmitter again based on the changed location information when the location information is changed.

8. The wireless power charging apparatus of claim 1, wherein the controller analyzes environment information of the wireless power receiving apparatus, and selects at least one of the at least one wireless power transmitter again in consideration of the changed environment information when the environment information is changed.

9. A wireless power charging apparatus comprising:

at least one wireless power transmitter to supply power to at least one wireless power receiving apparatus;

a location recognizer to recognize location information of the at least one wireless power receiving apparatus; and

at least one controller connected to the at least one wireless power transmitter,

wherein the at least one controller analyzes at least one of charging efficiency and a body harm rate of the at least one wireless power transmitter based on the location information and determines whether to supply power to the at least one wireless power receiving apparatus by the connected wireless power transmitter based on the analysis result.

10. A wireless power charging apparatus comprising:

at least one wireless power transmitter to supply power to at least one wireless power receiving apparatus;

at least one location recognizer connected to the at least one wireless power transmitter to recognize location information of the connected wireless power receiving apparatus individually; and

at least one controller connected to the at least one wireless power transmitter,

wherein the at least one controller analyzes at least one of charging efficiency and a body harm rate of the at least one wireless power transmitter based on the location information and determines whether to supply power to the at least one wireless power receiving apparatus by the connected wireless power transmitter based on the analysis result.

11. A wireless power charging method comprising:

recognizing location information of at least one wireless power receiving apparatus;

analyzing at least one of charging efficiency and a body harm rate of at least one wireless power transmitter based on the location information;

selecting at least one of the at least one wireless power transmitter that supplies power to the at least one wireless power receiving apparatus based on an analysis result; and

supplying power to the at least one wireless power receiving apparatus through the at least one selected wireless power transmitter.

12. The wireless power charging method of claim 11, further comprising:

analyzing the capability information of the at least one wireless power transmitter; and

selecting at least one of the at least one wireless power transmitter based on an analysis result.

13. The wireless power charging method of claim 11, further comprising:

selecting at least one of the wireless power transmitter so that the charging efficiency is maximized.

14. The wireless power charging method of claim 11, further comprising:

selecting at least one of the at least one wireless power transmitter so that the body harm rate is minimized.

15. The wireless power charging method of claim 11, further comprising:

monitoring whether the location information is changed according to a movement of the wireless power receiving apparatus; and

selecting at least one of the at least one wireless power transmitter again according to the changed location information when the location information is changed.

16. The wireless power charging method of claim 11, further comprising:

analyzing environment information of the wireless power receiving apparatus, and selects at least one of the at least one wireless power transmitter again in consideration of the changed environment information when the environment information is changed.

17. A wireless power charging method comprising:

connecting at least one wireless power transmitter which supplies power to at least one wireless power receiving apparatus with at least one controller;

recognizing location information of the at least one wireless power receiving apparatus;

analyzing at least one of charging efficiency and a body harm rate of the at least one wireless power transmitter based on the location information;

determining whether to supply power to the at least one wireless power receiving apparatus by the connected wireless power transmitter using the at least one controller based on an analysis result; and

supplying power to the at least one wireless power receiving apparatus through the at least one wireless power transmitter determined to supply power.

18. A wireless power charging method comprising:

connecting at least one wireless power transmitter to supply power to at least one wireless power receiving apparatus, a location recognizer to recognize location information of the at least one wireless power receiving apparatus, and at least one controller with one another;

recognizing the location information of the at least one wireless power receiving apparatus using the location recognizer;

analyzing at least one of charging efficiency and a body harm rate of the at least one wireless power transmitter based on the location information;

determining whether to supply power to the at least one wireless power receiving apparatus by the connected wireless power transmitter using the at least one controller based on an analysis result; and

supplying power to the at least one wireless power receiving apparatus through the at least one wireless power transmitter determined to supply power.