Wireless energy transmission control methods and control apparatuses

• US 10,205,348 B2
• Filed: 06/05/2015
• Issued: 02/12/2019
• Est. Priority Date: 06/12/2014
• Status: Active Grant

• Current Assignee: Beijing Zhigu RUI TUO Tech Company Limited
• Original Assignee: Beijing Zhigu RUI TUO Tech Company Limited
• Inventors: Xu, Ran
• Primary Examiner(s): Cavallari, Daniel
• Application Number:
  US15/317,852
• Publication Number:
  US 20170141612A1
• Time in Patent Office: 1,348 Days
• CPC Class Codes: H02J 50/10 using inductive coupling
• CPC Class Codes: H02J 50/20 using microwaves or radio frequency waves
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
• CPC Class Codes: H02J 50/90 involving detection or optimisation of position, e.g. alignment

Abstract

Wireless charging technology and wireless energy transmission control methods and control apparatuses are disclosed. A method comprises: receiving an optical signal from a wireless energy receiver device; and determining, according to an orientation of the optical signal, a wireless energy transmission scheme of a wireless energy transmitter device corresponding to the orientation. A corresponding wireless energy transmission scheme can be rapidly determined according to an orientation of an optical signal from a receiver device.

Claims

1. A method, comprising:

receiving, by a system comprising a processor, an optical signal from a wireless energy receiver device; and

determining, according to an orientation of the optical signal, a wireless energy transmission scheme of a wireless energy transmitter device corresponding to the orientation.

2. The method of claim 1, wherein, the receiving the optical signal from the wireless energy receiver device comprises:

receiving the optical signal by a photosensitive element.

3. The method of claim 2, wherein the determining the wireless energy transmission scheme of the wireless energy transmitter device comprises:

determining a position on the photosensitive element at which the optical signal is received; and

determining the wireless energy transmission scheme according to the position.

4. The method of claim 2, further comprising:

determining a distance between the wireless energy receiver device and the photosensitive element.

5. The method of claim 4, wherein the determining the wireless energy transmission scheme of the wireless energy transmitter device comprises:

determining a position on the photosensitive element at which the optical signal is received; and

determining the wireless energy transmission scheme according to the position and the distance.

6. The method of claim 1, wherein the determining the wireless energy transmission scheme of the wireless energy transmitter device comprises:

determining a phase of the wireless energy transmitter device for transmitting wireless energy.

7. The method of claim 6, wherein at least one position on the photosensitive element is associated with a phase setting of the wireless energy transmitter device for transmitting the wireless energy.

8. The method of claim 7, wherein the optical signal is used to indicate status information of the wireless energy receiver device, and wherein

the determining the wireless energy transmission scheme of the wireless energy transmitter device further comprises:

determining a transmission power of the wireless energy according to the status information.

9. The method of claim 8, further comprising:

determining the status information of the wireless energy receiver device.

10. The method of claim 9, wherein the determining the status information of the wireless energy receiver device comprises:

obtaining the status information by demodulating the optical signal.

11. The method of claim 9, wherein the determining the status information of the wireless energy receiver device comprises:

determining the status information according to a frequency or an intensity of the optical signal.

12. The method of claim 4, wherein the determining the distance between the wireless energy receiver device and the photosensitive element comprises:

determining the distance by the photosensitive element.

13. The method of claim 4, wherein the optical signal is used to indicate transmit information of the wireless energy receiver device, and wherein

the determining the distance between the wireless energy receiver device and the photosensitive element comprises:

determining the distance according to the transmit information of the wireless energy receiver device and receive information of the wireless energy transmitter device.

14. The method of claim 13, further comprising:

determining the transmit information of the wireless energy receiver device and the receive information of the wireless energy transmitter device.

15. The method of claim 14, wherein, the determining the transmit information of the wireless energy receiver device and the receive information of the wireless energy transmitter device comprises:

obtaining the transmit information of the wireless energy receiver device by demodulating the optical signal.

16. The method of claim 15, wherein the determining the transmit information of the wireless energy receiver device and the receive information of the wireless energy transmitter device comprises:

obtaining the receive information of the wireless energy transmitter device from the wireless energy transmitter device.

17. The method of claim 8, wherein the status information comprises:

a remaining power or a charging efficiency of the wireless energy receiver device.

18. The method of claim 13, wherein the transmit information of the wireless energy receiver device comprises at least one of a time of transmitting the optical signal by the wireless energy receiver device, a transmit power of transmitting the optical signal by the wireless energy receiver device, or a modulus of a radiation lobe of the wireless energy receiver device.

19. The method of claim 18, wherein the receive information of the wireless energy transmitter device comprises at least one of a receive power of receiving the optical signal by the wireless energy transmitter device, channel status information between the wireless energy transmitter device and the wireless energy receiver device, and a time of receiving the optical signal by the wireless energy transmitter device.

20. An apparatus, comprising:

a memory that stores executable modules; and

a processor, coupled to the memory, that executes or facilitates execution of the executable modules, comprising;

a receiving module configured to receive an optical signal from a receiver device for reception of wireless energy; and

a first determining module configured to determine, according to an orientation of the optical signal, a transmission scheme corresponding to the orientation of a transmitter device for transmission of the wireless energy.

21. The apparatus of claim 20, wherein the receiving module receives the optical signal by a photosensitive element.

22. The apparatus of claim 21, wherein the first determining module comprises:

a first determining unit configured to determine a position at which the optical signal is received on the photosensitive element; and

a second determining unit configured to determine the transmission scheme according to the position.

23. The apparatus of claim 21, wherein the executable modules further comprise:

a second determining module configured to determine a distance between the receiver device and the photosensitive element.

24. The apparatus of claim 23, wherein the first determining module comprises:

a first determining unit configured to determine a position at which the optical signal is received on the photosensitive element; and

a second determining unit configured to determine the transmission scheme according to the position and the distance.

25. The apparatus of claim 20, wherein the first determining module is configured to determine a phase of the transmitter device for the transmission of the wireless energy.

26. The apparatus of claim 25, wherein at least one position on the photosensitive element is associated with a phase setting of the transmitter device for transmission of the wireless energy.

27. The apparatus of claim 26, wherein the optical signal is used to indicate status information of the receiver device;

and

the first determining module is further configured to determine transmission power of the wireless energy according to the status information.

28. The apparatus of claim 27, wherein the executable modules further comprise:

a third determining module configured to determine the status information of the receiver device.

29. The apparatus of claim 28, wherein the third determining module obtains the status information by demodulating the optical signal.

30. The apparatus of claim 28, wherein the third determining module determines the status information according to a frequency or an intensity of the optical signal.

31. The apparatus of claim 23, wherein the second determining module determines the distance by the photosensitive element.

32. The apparatus of claim 23, wherein the optical signal is used to indicate transmit information of the receiver device;

and

the second determining module determines the distance according to the transmit information of the receiver device and receive information of the transmitter device.

33. The apparatus of claim 32, wherein the executable modules further comprise:

a fourth determining module configured to determine the transmit information of the receiver device and the receive information of the transmitter device.

34. The apparatus of claim 33, wherein the fourth determining module obtains the transmit information of the receiver device by demodulating the optical signal.

35. A computer readable storage device, comprising at least one executable instruction, which, in response to execution, causes a system comprising a processor to perform operations, comprising:

receiving an optical signal from a wireless energy receiver device; and

determining, according to an orientation of the optical signal, a wireless energy transmission protocol of a wireless energy transmitter device corresponding to the orientation.

36. A device for wireless energy transmission control, comprising a processor and a memory, wherein the memory stores executable instructions, the processor being connected with the memory via a communication bus, and when the device is operating, the processor executes or facilitates execution of the executable instructions stored by the memory to cause the device to perform operations, comprising:

receiving an optical signal from a wireless energy receiver device; and

determining, according to an orientation of the optical signal, a wireless energy transmission scheme of a wireless energy transmitter device corresponding to the orientation.