Wireless energy transmission methods and wireless energy sending devices

• US 10,298,067 B2
• Filed: 03/12/2015
• Issued: 05/21/2019
• Est. Priority Date: 04/23/2014
• 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): Shin, Jeffrey M
• Application Number:
  US15/306,077
• Publication Number:
  US 20170047789A1
• Time in Patent Office: 1,531 Days
• CPC Class Codes: H02J 50/12 of the resonant type
• CPC Class Codes: H02J 50/20 using microwaves or radio frequency waves
• CPC Class Codes: H02J 50/40 using two or more transmitting or receiving devices H02J50/50 takes precedence
• CPC Class Codes: H02J 50/80 involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices

Abstract

Wireless energy transmission methods and wireless energy sending devices are provided. The method comprises: controlling, on the basis of a distribution plan of distributing separately multiple emitter nodes of a wireless energy sending device to multiple wireless energy receiving devices, the multiple emitter nodes to transmit wireless energy separately to corresponding wireless energy receiving devices to which the multiple emitter nodes are distributed. The methods and devices can implement balanced states of charge for wireless energy receiving devices in a wireless energy transmission process, and make it convenient for a user to use multiple wireless energy receiving devices.

Claims

1. A method, comprising:

separately distributing, by a system comprising a processor at least according to remaining energy levels of multiple wireless energy receiving devices, multiple emitter nodes of a wireless energy sending device to multiple wireless energy receiving devices, to acquire a distribution plan applicable to separate distribution of the multiple emitter nodes of the wireless energy sending device to the multiple wireless energy receiving devices; and

on the basis of the distribution plan controlling, by the system, the multiple emitter nodes to transmit wireless energy separately to corresponding wireless energy receiving devices to which the multiple emitter nodes are distributed.

2. The method of claim 1, further comprising:

acquiring the distribution plan from an external device.

3. The method of claim 1, wherein the separately distributing the multiple emitter nodes of the wireless energy sending device to the multiple wireless energy receiving devices comprises:

separately distributing, further according to respective wireless energy transmission efficiencies between the wireless energy sending device and the multiple wireless energy receiving devices, the multiple emitter nodes of the wireless energy sending device to the multiple wireless energy receiving devices.

4. The method of claim 1, wherein the remaining energy levels are percentages of current charge relative to full charge of the multiple wireless energy receiving devices.

5. The method of claim 4, wherein the percentages of current charge relative to the full charge of the multiple wireless energy receiving devices are periodically detected according to a defined time interval.

6. The method of claim 1, wherein the remaining energy levels are current charges of the multiple wireless energy receiving devices.

7. The method of claim 1, further comprising:

recording phase information of at least one emitter node that transmits the wireless energy to at least one wireless energy receiving device among the multiple wireless energy receiving devices.

8. The method of claim 7, further comprising:

after the at least one emitter node of the multiple emitter nodes has transmitted to the at least one wireless energy receiving device of the multiple wireless energy receiving devices, adjusting, according to the phase information, a phase of the at least one emitter node.

9. The method of claim 1, wherein the corresponding wireless energy receiving devices are first corresponding wireless energy receiving devices, and further comprising:

controlling, on the basis of an adjusted distribution plan, the multiple emitter nodes to transmit the wireless energy separately to second corresponding wireless energy receiving devices to which the multiple emitter nodes are redistributed.

10. The method of claim 1, wherein the distribution plan is preset.

11. A device, comprising:

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

a wireless energy transmission module configured to transmit wireless energy to a wireless energy receiving device of multiple wireless energy receiving devices, wherein the wireless energy transmission module comprises multiple emitter nodes;

a distribution module configured to separately distribute, at least according to remaining energy levels of the multiple wireless energy receiving devices, the multiple emitter nodes of the wireless energy transmission module to the multiple wireless energy receiving devices, to acquire a distribution plan of separately distributing the multiple emitter nodes of the wireless energy transmission module to the multiple wireless energy receiving devices; and

a control module configured to control, on the basis of the distribution plan, the multiple emitter nodes to transmit the wireless energy separately to corresponding wireless energy receiving devices to which the multiple emitter nodes are distributed.

12. The device of claim 11, wherein the executable modules further comprise:

an acquisition module configured to acquire the distribution plan from an external storage device.

13. The device of claim 11, wherein the distribution module is configured to separately distribute, further according to respective wireless energy transmission efficiencies between the wireless energy sending device and the multiple wireless energy receiving devices, the multiple emitter nodes of the wireless energy transmission module to the multiple wireless energy receiving devices.

14. The device of claim 11, wherein the executable modules further comprise:

a recording module configured to record phase information of at least one emitter node that transmits wireless energy to at least one wireless energy receiving device among the multiple wireless energy receiving devices.

15. The device of claim 14, wherein the recording module is further configured to adjust, according to the phase information, a phase of the at least one emitter node of the multiple emitter nodes that has transmitted the wireless energy to the at least one wireless energy receiving device.

16. The device of claim 11, wherein the corresponding wireless energy receiving devices are first corresponding wireless energy receiving devices, and wherein the control module is further configured to control, on the basis of an adjusted distribution plan, the multiple emitter nodes to perform wireless energy transmission separately on second corresponding wireless energy receiving devices to which the multiple emitter nodes are redistributed.

17. A non-transitory computer readable storage device comprising executable instructions that, in response to execution, cause a device comprising a processor to perform operations, comprising:

separately distributing, at least according to remaining energy levels of multiple wireless energy receiving devices, multiple emitter nodes of a wireless energy sending device to the multiple wireless energy receiving devices, to obtain a distribution plan pertaining to separate distribution of the multiple emitter nodes of the wireless energy sending device to the multiple wireless energy receiving devices; and

controlling, on the basis of the distribution plan, the multiple emitter nodes to transmit wireless energy separately to corresponding wireless energy receiving devices to which the multiple emitter nodes are distributed.

18. The non-transitory computer readable storage device of claim 17, wherein the operations further comprise measuring phase information of at least one emitter node of the multiple emitter nodes that transmits the wireless energy to at least one wireless energy receiving device of the multiple wireless energy receiving devices, and, based on the phase information, modifying at least one phase of the at least one emitter node.

19. The non-transitory computer readable storage device of claim 17, wherein the remaining energy levels are values representative of respective current charges of the multiple wireless energy receiving devices relative to respective full charges of the multiple wireless energy receiving devices.

20. The non-transitory computer readable storage device of claim 19, wherein the operations further comprise periodically determining the values.