Systems, methods, and apparatus related to electric vehicle parking and wireless charging

• US 9,971,353 B2
• Filed: 07/01/2013
• Issued: 05/15/2018
• Est. Priority Date: 07/03/2012
• Status: Active Grant

• Current Assignee: WiTricity Corporation
• Original Assignee: Qualcomm, Inc.
• Inventors: Tripathi, Manish, Yenamandra, Rao S., Mullaguru, Naidu S., Van Boheemen, Edward L.
• Primary Examiner(s): Antonucci, Anne M
• Assistant Examiner(s): Malhotra, Sanjeev
• Application Number:
  US13/932,995
• Publication Number:
  US 20140012448A1
• Time in Patent Office: 1,779 Days
• Field of Search: 701 22, 701 36, 701439, 701532, 705 5, 705412, 700236, 700291, 348148, 340 561, 340540, 340 565, 320108, 320109, 307 91, 307104, 194904, 726 9, 1 1
• CPC Class Codes: B60L 53/126 Methods for pairing a vehicle and a charging station, e.g. establishing a one-to-one relation between a wireless power transmitter and a wireless power receiver
• CPC Class Codes: B60L 53/35 Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
• CPC Class Codes: B60L 53/38 specially adapted for charging by inductive energy transfer
• CPC Class Codes: B60L 53/60 Monitoring or controlling charging stations
• CPC Class Codes: G05D 1/0276 using signals provided by a source external to the vehicle involving a plurality of vehicles G05D1/0287; automatically controlling vehicle speed responsive to externally generated signals B60K31/0058
• CPC Class Codes: H02J 7/00 Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 Electric charging stations
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles
• CPC Class Codes: Y02T 90/16 Information or communication technologies improving the operation of electric vehicles

Abstract

Systems, methods, and apparatus are disclosed for parking and wireless power transfer and communication of messages in a parking and charging system. In one aspect, an apparatus for parking a vehicle for receiving charging in a parking and charging system is provided. The apparatus includes an antenna configured to wirelessly receive information identifying a location of one or more charging stations. The apparatus further includes a user interface configured to display information identifying at least one of the one or more charging stations. The apparatus further includes a controller configured to cause a communication link to be established between the vehicle with and at least one identified charging station.

Claims

1. An apparatus for parking a vehicle having a vehicle pad to receive a wireless charge from a charging system disposed in a plurality of parking spaces and having a plurality of charging stations each having a base pad, each parking space including one of the wireless charging stations, the apparatus comprising:

an antenna circuit configured to wirelessly receive information identifying a location of at least two of the wireless charging stations that are within a communication range of the vehicle pad and with which the vehicle pad is able to establish a wireless communication link;

a user interface configured to;

display information identifying the at least two wireless charging stations; and

receive a selection of a wireless charging station from the at least identified two wireless charging stations via the user interface; and

a controller configured to;

determine that the vehicle is positioned within the parking space of the selected wireless charging station to receive the wireless charge at a level sufficient to charge the vehicle, and

cause the wireless communication link to be established between the vehicle pad of the vehicle and the base pad of the selected wireless charging station based on the determination that the vehicle is positioned within the parking space of the selected wireless charging station.

2. The apparatus of claim 1, wherein each of the at least two wireless charging stations are positioned at least one of in a common parking area or substantially proximate to each other.

3. The apparatus of claim 1, wherein the displayed information comprises one or more selection options related to one or more parking spaces.

4. The apparatus of claim 1, wherein the displayed information comprises at least one portion of identification information of the at least two identified wireless charging stations.

5. The apparatus of claim 1, wherein the controller is further configured to exchange control and data information with at least one of the vehicle or the at least two identified charging stations.

6. The apparatus of claim 5, wherein the controller further comprises a wireless communication module configured to identify at least one of the at least two wireless charging stations and to broadcast a predefined identification sequence that is recognizable by the at least two identified wireless charging stations.

7. The apparatus of claim 1, wherein the controller is further configured to set a wireless charging station identification sequence of the at least two identified charging stations as default, and wherein the default is applied if no other option has been selected within a predefined period of time.

8. The apparatus of claim 1, wherein the controller is further configured to measure an alignment score, the alignment score indicating how close the vehicle pad is next to the base pad.

9. The apparatus of claim 1, wherein the information identifying a location of the at least two wireless charging stations further comprises at least:

a space number identifying a parking space, wherein at least one of the at least two wireless charging stations is located in the identified parking space; and

a location of the identified parking space.

10. The apparatus of claim 1, wherein the controller is further configured to receive information identifying availability of the two or more wireless charging stations, wherein the availability of the two or more wireless charging stations is indicated through receiving at least one wireless charging station identification sequence broadcasted by each of the at least two wireless charging stations in a discovery mode.

11. The apparatus of claim 1, wherein the vehicle pad is configured to wirelessly receive a charge from the at least two identified wireless charging stations.

12. The apparatus of claim 1, wherein the controller is further configured to store the received information.

13. The apparatus of claim 1, wherein the user interface is further configured to log an input from a user.

14. The apparatus of claim 1, wherein the controller is further configured to page the at least two identified wireless charge stations.

15. The apparatus of claim 11, wherein the controller is configured to receive, via the wireless communication link, a selection confirming the selected wireless charging station for wirelessly transferring the charge to the charging pad.

16. The apparatus of claim 1, wherein the information is communicated directly between the antenna and each wireless charging station of the at least two wireless charging stations.

17. The apparatus of claim 1, wherein the user interface is further configured to receive a second selection of a second wireless charging station from the at least two identified wireless charging stations via the user interface after the selection of the selected wireless charging station.

18. The apparatus of claim 17, wherein the controller is further configured to cause a second wireless communication link to be established between the vehicle and the second wireless charging station selected via the user interface.

19. The apparatus of claim 17, wherein the controller is further configured to disconnect the wireless communication link between the vehicle and the selected wireless charging station.

20. The apparatus of claim 19, wherein the controller is further configured to disconnect the wireless communication link after an expiration of a time period.

21. A method of parking a vehicle having a vehicle pad to receive a wireless charge from a charging system disposed in a plurality of parking spaces and having a plurality of charging stations each having a base pad, each parking space including one of the wireless charging stations, the method comprising:

receiving wireless information identifying a location of at least two of the wireless charging stations that are within a communication range of the vehicle pad and with which the vehicle pad is able to establish a wireless communication link;

displaying information identifying the at least two wireless charging stations;

receiving a selection of a wireless charging station from the at least two identified wireless charging stations via the user interface;

determining that the vehicle is positioned within the parking space of the selected wireless charging station to receive the wireless charge at a level sufficient to charge the vehicle; and

causing an establishment of the wireless communication link between the vehicle pad of the vehicle and the base pad of the selected wireless charging station based on the determination that the vehicle is positioned within the parking space of the selected wireless charging station.

22. The method of claim 21, wherein each of the at least two wireless charging stations are positioned at least one of in a common parking area or substantially proximate to each other.

23. The method of claim 21, wherein displaying information comprises displaying one or more selection options related to one or more parking spaces via a user interface.

24. The method of claim 21, wherein displaying information comprises displaying at least a portion of identification information of the at least two identified wireless charging stations.

25. The method of claim 21, further comprises exchanging control and data information with at least one of the vehicle or the at least two wireless charging stations via a communication module.

26. The method of claim 25, wherein exchanging control and data information further comprises:

identifying at least one of the at least two wireless charging stations; and

broadcasting an identification sequence of the vehicle that is recognizable by the at least two identified wireless charging stations.

27. The method of claim 26, wherein exchanging control and data information further comprises pairing the communication module with at least one of the at least two identified wireless charging stations.

28. The method of claim 27, wherein pairing the communication module with the at least one of the at least two identified wireless charging stations comprises pairing the communication module with the at least one of the at least two identified wireless charging stations through a wireless link and a known passcode.

29. The method of claim 21, further comprising setting a wireless charging station identification sequence of the at least two identified wireless charging stations as default via a controller, wherein the default is applied if no other option has been selected within a predefined period of time.

30. The method of claim 21, wherein causing the establishment of the wireless communication link further comprises measuring an alignment score, the alignment score indicating how close the vehicle pad is above the base pad.

31. The method of claim 21, wherein the wireless information identifying a location of the at least two wireless charging stations further comprises at least:

a space number identifying a parking space, wherein at least one of the at least two wireless charging stations is located in the identified parking space; and

a location of the identified parking space.

32. The method of claim 21, further comprising receiving information identifying availability of the at least two wireless charging stations, wherein the availability of the at least two wireless charging stations is indicated through receiving at least one wireless charging station identification sequence broadcasted by each of the at least two wireless charging stations in a discovery mode.

33. The method of claim 21, further comprising receiving a charge from at least one of the at least two identified wireless charging stations.

34. The method of claim 21, further comprising storing the received information via a controller.

35. The method of claim 21, further comprising logging an input from a user via a user interface.

36. The method of claim 21, further comprising paging the at least two identified wireless charging stations.

37. The method of claim 33, further comprising receiving, via the wireless communication link, a selection confirming the selected wireless charging station for wirelessly transferring the charge to the charging pad.

38. The method of claim 21, wherein the information is communicated directly between the antenna and each wireless charging station of the at least two wireless charging stations.

39. The method of claim 21, further comprising receiving a second selection of a second wireless charging station of the at least two wireless charging stations via the user interface after the selection of the selected wireless charging station.

40. The method of claim 39, further comprising causing an establishment of a second wireless communication link between the vehicle and the second wireless charging station selected via the user interface.

41. The method of claim 39, further comprising disconnecting the wireless communication link between the vehicle and the selected wireless charging station.

42. The method of claim 39, wherein disconnecting the wireless communication link between the vehicle and the selected wireless charging station comprises disconnecting the wireless communication link after an expiration of a time period.