Wireless energy transmission method and wireless energy receiving device

• US 10,811,911 B2
• Filed: 01/15/2015
• Issued: 10/20/2020
• Est. Priority Date: 02/08/2014
• 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): Barnie, Rexford N
• Assistant Examiner(s): Chowdhuri, Swarna N
• Application Number:
  US15/115,657
• Publication Number:
  US 20170170692A1
• Time in Patent Office: 2,105 Days
• Field of Search: 307104
• CPC Class Codes: H02J 1/14 Balancing the load in a network
• CPC Class Codes: H02J 50/05 using capacitive coupling
• 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 50/50 using additional energy repeaters between transmitting devices and receiving devices
• 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 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: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: Y02B 40/00 Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

A wireless energy transmission method and a wireless energy receiving device are provided. A method includes determining wireless energy transmission efficiencies between the wireless energy receiving device and a plurality of wireless energy sending devices respectively, and receiving wireless energy transmission from the plurality of wireless energy sending devices according to the wireless energy transmission efficiencies. Energy requested or required by the wireless energy receiving device can be distributed to the plurality of wireless energy sending devices reasonably, thereby efficiently charging the wireless energy receiving device.

Claims

1. A method, comprising:

determining, by a system comprising a processor, a total energy to be charged to a wireless energy receiving device;

determining respective wireless energy transmission efficiencies between the wireless energy receiving device and a plurality of wireless energy sending devices;

performing energy distribution in the plurality of wireless energy sending devices according to the respective wireless energy transmission efficiencies, comprising distributing the total energy to the plurality of wireless energy sending devices according to the respective wireless energy transmission efficiencies, resulting in respectively distributed energy, so that the plurality of wireless energy sending devices perform respective wireless energy transmissions according to the respectively distributed energy; and

receiving the respective wireless energy transmissions from the plurality of wireless energy sending devices according to a result of the energy distribution,

wherein the performing the energy distribution comprises;

performing the energy distribution in the plurality of wireless energy sending devices based on a predetermined rule, and

wherein the predetermined rule comprises that a proportion of remaining energy of the plurality of wireless energy sending devices remains unchanged before and after the wireless energy transmission or remaining energy of the plurality of wireless energy sending devices is equal after completion of the wireless energy transmission.

2. The method of claim 1, wherein the determining the respective wireless energy transmission efficiencies comprises:

determining respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices; and

determining the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices respectively according to the respective energy transmission paths.

3. The method of claim 2, wherein the determining the respective wireless energy transmission efficiencies comprises:

forming a wireless energy transmission path data structure,

the wireless energy transmission path data structure comprising the respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices and the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices.

4. The method of claim 2, wherein the determining the respective energy transmission paths comprises:

determining at least one candidate energy transmission path between the wireless energy receiving device and at least one wireless energy sending device of the plurality of wireless energy sending devices; and

determining the respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices according to the at least one candidate energy transmission path.

5. The method of claim 4, wherein the determining the respective wireless energy transmission efficiencies further comprises:

determining the respective wireless energy transmission efficiencies of the energy transmission paths as the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices.

6. The method of claim 1, wherein the predetermined rule comprises that a total energy loss in the wireless energy transmission is at a minimum.

7. The method of claim 1, wherein the receiving the respective wireless energy transmissions comprises:

receiving the respective wireless energy transmissions from the plurality of wireless energy sending devices in a predetermined order according to the result of the energy distribution.

8. The method of claim 1, wherein the receiving the respective wireless energy transmissions comprises:

notifying corresponding wireless energy sending devices of the result of the energy distribution corresponding to the corresponding wireless energy sending devices.

9. A wireless energy receiving device, comprising:

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

a determining module configured to determine a total energy to be charged to a wireless energy receiving device;

a wireless energy transmission efficiency determination module configured to determine respective wireless energy transmission efficiencies between the wireless energy receiving device and a plurality of wireless energy sending devices; and

an energy receiving module configured to;

perform energy distribution in the plurality of wireless energy sending devices according to the respective wireless energy transmission efficiencies, resulting in respectively distributed energy, so that the plurality of wireless energy sending devices perform respective wireless energy transmissions according to the respectively distributed energy, and

receive the respective wireless energy transmissions from the plurality of wireless energy sending devices according to a result of the energy distribution,

wherein the energy distribution unit is further configured to perform the energy distribution in the plurality of wireless energy sending devices based on a predetermined rule, and

wherein the predetermined rule comprises that a proportion of remaining energy of the plurality of wireless energy sending devices remains unchanged before and after the wireless energy transmission or remaining energy of the plurality of wireless energy sending devices is equal after completion of the wireless energy transmission.

10. The wireless energy receiving device of claim 9, wherein the wireless energy transmission efficiency determination module comprises:

an energy transmission path determination unit configured to determine respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices respectively; and

a wireless energy transmission efficiency determination unit configured to determine the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices respectively according to the respective energy transmission paths.

11. The wireless energy receiving device of claim 10, wherein the energy transmission path determination unit comprises:

a candidate energy transmission path determination sub-unit configured to determine at least one candidate energy transmission path between the wireless energy receiving device and the plurality of wireless energy sending devices respectively; and

an energy transmission path determination sub-unit configured to determine the respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices respectively according to the at least one candidate energy transmission path.

12. The wireless energy receiving device of claim 11, wherein the wireless energy transmission efficiency determination unit is further configured to determine respective other wireless energy transmission efficiencies of the energy transmission paths as the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices.

13. The wireless energy receiving device of claim 9, wherein the energy receiving unit is further configured to receive the respective wireless energy transmission from the plurality of wireless energy sending devices in a predetermined order according to the result of the energy distribution.

14. The wireless energy receiving device of claim 9, wherein the energy receiving module comprises:

a distribution result notification unit configured to notify corresponding wireless energy sending devices of the result of the energy distribution corresponding to the wireless energy sending devices.

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

determining a total energy to be charged to a wireless energy receiving device;

determining respective wireless energy transmission efficiencies between the wireless energy receiving device and wireless energy sending devices;

performing energy distribution in the plurality of wireless energy sending devices according to the respective wireless energy transmission efficiencies, comprising distributing the total energy to the plurality of wireless energy sending devices according to the respective wireless energy transmission efficiencies, resulting in respectively distributed energy, wherein the plurality of wireless energy sending devices perform respective wireless energy transmissions according to the respectively distributed energy; and

receiving the respective wireless energy transmissions from the wireless energy sending devices according to a result of the energy distribution,

wherein the performing the energy distribution comprises;

performing the energy distribution in the plurality of wireless energy sending devices based on a predetermined rule, and

wherein the predetermined rule comprises that a proportion of remaining energy of the plurality of wireless energy sending devices remains unchanged before and after the wireless energy transmission or remaining energy of the plurality of wireless energy sending devices is equal after completion of the wireless energy transmission.

16. The computer readable storage device of claim 15, wherein the determining the respective wireless energy transmission efficiencies comprises:

determining respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices; and

determining the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices respectively according to the respective energy transmission paths.

17. The computer readable storage device of claim 16, wherein the determining the respective wireless energy transmission efficiencies comprises:

forming a wireless energy transmission path data structure,

the wireless energy transmission path data structure comprising the respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices and the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices.

18. The computer readable storage device of claim 16, wherein the determining the respective energy transmission paths comprises:

determining at least one candidate energy transmission path between the wireless energy receiving device and at least one wireless energy sending device of the plurality of wireless energy sending devices; and

determining the respective energy transmission paths between the wireless energy receiving device and the plurality of wireless energy sending devices according to the at least one candidate energy transmission path.

19. The computer readable storage device of claim 18, wherein the determining the respective wireless energy transmission efficiencies further comprises:

determining the respective wireless energy transmission efficiencies of the energy transmission paths as the respective wireless energy transmission efficiencies between the wireless energy receiving device and the plurality of wireless energy sending devices.

20. The computer readable storage device of claim 15, wherein the predetermined rule comprises that a total energy loss in the wireless energy transmission is at a minimum.

21. The computer readable storage device of claim 15, wherein the receiving the respective wireless energy transmissions comprises:

receiving the respective wireless energy transmissions from the plurality of wireless energy sending devices in a predetermined order according to the result of the energy distribution.