Wireless energy transmission methods and wireless energy sending devices

• US 10,326,311 B2
• Filed: 03/12/2015
• Issued: 06/18/2019
• 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:
  US15/306,076
• Publication Number:
  US 20170047788A1
• Time in Patent Office: 1,559 Days
• CPC Class Codes: H02J 1/14 Balancing the load in a network
• 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 50/402 the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
• 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 wireless energy transmission method comprises: transmitting wireless energy to a first wireless energy receiving device with the minimum remaining energy level among multiple wireless energy receiving devices; and in a case where a value by which a remaining energy level of the first wireless energy receiving device is higher than a remaining energy level of a second wireless energy receiving device among the multiple wireless energy receiving devices exceeds a preset value, stopping transmitting wireless energy to the first wireless energy receiving device and starting to perform wireless energy transmission on the second wireless energy receiving device. The methods and the devices in at least one embodiment of the present application 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:

transmitting, by a system comprising a processor, wireless energy to a first wireless energy receiving device with a minimum remaining energy level among multiple wireless energy receiving devices; and

in a case where a value by which a first remaining energy level of the first wireless energy receiving device is higher than a second remaining energy level of a second wireless energy receiving device among the multiple wireless energy receiving devices exceeds a preset value, stopping the transmitting of the wireless energy to the first wireless energy receiving device and starting to transmit the wireless energy to the second wireless energy receiving device.

2. The method of claim 1, further comprising:

determining, according to energy information related to remaining energy levels of the multiple wireless energy receiving devices, the first wireless energy receiving device with the minimum remaining energy level among the multiple wireless energy receiving devices.

3. The method of claim 1, further comprising:

determining, according to energy information related to remaining energy levels of the multiple wireless energy receiving devices, that the value by which the first remaining energy level of the first wireless energy receiving device is higher than the second remaining energy level of the second wireless energy receiving device among the multiple wireless energy receiving devices exceeds the preset value.

4. The method of claim 2, further comprising:

acquiring the energy information of the multiple wireless energy receiving devices.

5. The method of claim 4, wherein the energy information is acquired from the multiple wireless energy receiving devices separately, or the energy information of the multiple wireless energy receiving devices is acquired from an independent device.

6. The method of claim 1, wherein phase information related to phases of multiple emitter nodes in a wireless energy sending device is recorded when the wireless energy is transmitted to the first wireless energy receiving device.

7. The method of claim 1, further comprising:

setting the preset value.

8. 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 at least one wireless energy receiving device; and

a control module configured to control the wireless energy transmission module to transmit wireless energy to a first wireless energy receiving device with a minimum remaining energy level among multiple wireless energy receiving devices, wherein the control module is further configured to control the wireless energy transmission module to;

in a case where a value by which a first remaining energy level of the first wireless energy receiving device is higher than a second remaining energy level of a second wireless energy receiving device among the multiple wireless energy receiving devices exceeds a preset value, stop transmitting the wireless energy to the first wireless energy receiving device and start to transmit the wireless energy to the second wireless energy receiving device.

9. The device of claim 8, wherein the executable modules further comprise:

a determining module configured to determine, according to energy information related to remaining energy levels of the multiple wireless energy receiving devices, the first wireless energy receiving device with the minimum remaining energy level among the multiple wireless energy receiving devices.

10. The device of claim 8, wherein the executable modules further comprise:

a control configured to determine, according to energy information related to remaining energy levels of the multiple wireless energy receiving devices, that the value by which the first remaining energy level of the first wireless energy receiving device is higher than the second remaining energy level of the second wireless energy receiving device among the multiple wireless energy receiving devices exceeds the preset value.

11. The device of claim 9, wherein the executable modules further comprise:

an acquisition module configured to acquire the energy information of the multiple wireless energy receiving devices.

12. The device of claim 11, wherein the acquisition module is specifically configured to acquire the energy information from the multiple wireless energy receiving devices separately, or acquire the energy information of the multiple wireless energy receiving devices from an independent device.

13. The device of claim 8, wherein the executable modules further comprises:

a recording module configured to record when wireless energy is transmitted to the first wireless energy receiving device phase information related to phases of multiple emitter nodes in the wireless energy sending device.

14. The device of claim 8, wherein the executable modules further comprise:

a setting module configured to set the preset value.

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

transmitting wireless energy to a first wireless energy receiving device with a minimum remaining energy level among multiple wireless energy receiving devices; and

in response to a value by which a first remaining energy level of the first wireless energy receiving device is determined to be higher than a second remaining energy level of a second wireless energy receiving device among the multiple wireless energy receiving devices exceeds a preset value, stopping transmitting the wireless energy to the first wireless energy receiving device and starting to transmit the wireless energy to the second wireless energy receiving device.

16. The non-transitory computer readable device of claim 15, wherein the operations further comprise:

determining that the value exceeds the preset value according to energy information related to remaining energy levels of the multiple wireless energy receiving devices.

17. The non-transitory computer readable device of claim 16, wherein the operations further comprise:

acquiring the energy information of the multiple wireless energy receiving devices.

18. The non-transitory computer readable device of claim 16, wherein the energy information comprises information relating to a percentage of current charge relative to a full charge of at least one of the multiple wireless energy receiving devices.

19. The non-transitory computer readable device of claim 16, wherein the energy information comprises information relating to a current voltage value of a battery of at least one of the multiple wireless energy receiving devices.

20. The non-transitory computer readable device of claim 15, wherein the operations further comprise:

in response to the transmitting wireless energy to the first wireless energy receiving device, and concurrently with at least one of the first remaining energy level of the first wireless energy receiving device or the second remaining energy level of the second wireless energy receiving device being obtained, storing phase information related to phases of multiple emitter nodes of a wireless energy sending device.