Intelligent wireless charging control method, device, and system

• US 11,018,518 B2
• Filed: 06/22/2018
• Issued: 05/25/2021
• Est. Priority Date: 12/08/2016
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Wang, Pinghua, Huang, Kangmin, Tang, Weidong
• Primary Examiner(s): Fantu, Yalkew
• Application Number:
  US16/016,231
• Publication Number:
  US 20180301925A1
• Time in Patent Office: 1,068 Days
• Field of Search: 320108
• 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 7/0071 with a programmable schedule

Abstract

A method for intelligently controlling a wireless charging receiving device, where the method includes obtaining at least one of a first environment parameter, a first status parameter, or a first historical record of a wireless charging receiving device, setting a wireless charging requirement according to at least one of the first environment parameter, the first status parameter, or the first historical record, transmitting the wireless charging requirement to a wireless charging transmission device, receiving an energy signal, generating a wireless charging stop instruction according to the wireless charging requirement or a user instruction, and sending the wireless charging stop instruction to the wireless charging transmission device. Therefore, intelligent control over a wireless charging process is implemented, a personalized requirement of a user is satisfied, and user experience is improved.

Claims

1. A method for intelligently controlling a wireless charging receiving device, comprising:

obtaining, by the wireless charging receiving device, at least one of a first environment parameter, a first status parameter, or a first historical record, wherein the first environment parameter comprising at least one of a geographical location, a temperature, humidity, or an altitude of an environment in which the wireless charging receiving device is located, wherein the first status parameter comprising at least one of a battery level, a temperature, a voltage, or an energy consumption rate of the wireless charging receiving device, and wherein the first historical record comprising a previous wireless charging data record of the wireless charging receiving device;

determining that a wireless charging communications protocol of a wireless charging transmission device is matched successfully with a wireless charging communications protocol of the wireless charging receiving device;

setting a wireless charging requirement according to at least one of the first environment parameter, the first status parameter, or the first historical record, wherein the wireless charging requirement comprising at least one of a wireless charging voltage, a wireless charging current, wireless charging power, a wireless charging speed, a wireless charging battery level, a wireless charging time, or wireless charging costs;

sending the wireless charging requirement to the wireless charging transmission device;

receiving an energy signal indicating energy obtained by the wireless charging transmission device by converting an electric energy according to the wireless charging requirement and that can be converted back into the electric energy by the wireless charging receiving device;

generating a wireless charging stop instruction according to the wireless charging requirement or a user instruction; and

sending the wireless charging stop instruction to the wireless charging transmission device.

2. The method of claim 1, wherein before setting the wireless charging requirement, the method further comprises determining that the wireless charging transmission device is located in a wireless charging receiving region of the wireless charging receiving device.

3. The method of claim 1, wherein generating and sending the wireless charging stop instruction comprises:

monitoring a second status parameter of the wireless charging receiving device comprising at least one of a charged battery level, a charging voltage, a charging current, charging power, or charging costs of the wireless charging receiving device;

generating the wireless charging stop instruction according to a comparison between the second status parameter and the wireless charging requirement or according to an end instruction from a user;

stop receiving the energy signal; and

sending the wireless charging stop instruction to the wireless charging transmission device.

4. The method according to claim 1, wherein before setting the wireless charging requirement, the method further comprises obtaining configuration information sent by the wireless charging transmission device, wherein the configuration information is set by default at delivery or is customized by the user, and wherein the configuration information comprises at least one of a model, a brand, a type, a power parameter, a supported mode, or a service provider of the wireless charging transmission device.

5. A method for intelligently controlling a wireless charging transmission device, comprising:

determining that a wireless charging communications protocol of the wireless charging transmission device is matched successfully with a wireless charging communications protocol of a wireless charging receiving device;

obtaining a wireless charging requirement of the wireless charging receiving device, wherein the wireless charging requirement comprising at least one of a wireless charging voltage, a wireless charging current, wireless charging power, a wireless charging speed, a wireless charging battery level, a wireless charging time, or wireless charging costs;

configuring a transmission parameter according to the wireless charging requirement;

transmitting an energy signal indicating energy obtained by the wireless charging transmission device by converting electric energy based on the transmission parameter and that can be converted back into the electric energy by the wireless charging receiving device;

receiving a wireless charging stop instruction from the wireless charging receiving device; and

stop transmitting the energy signal.

6. The method of claim 5, wherein before obtaining the wireless charging requirement of the wireless charging receiving device, the method further comprises determining that the wireless charging receiving device is located in a wireless charging transmission region of the wireless charging transmission device.

7. The method of claim 5, wherein configuring the transmission parameter comprises at least one of:

configuring wireless charging transmit power by adjusting at least one of a voltage, a current, or a frequency of a transmission conversion circuit according to the wireless charging requirement to ensure output of the energy signal matched with the wireless charging requirement;

or

configuring a wireless charging right by setting a first right for the wireless charging receiving device according to the wireless charging requirement, wherein the first right corresponding to at least one of a charging time, charging efficiency, a charging rate, or a charging mode of the wireless charging transmission device.

8. The method of claim 5, wherein transmitting the energy signal comprises:

generating, by the wireless charging transmission device, a wireless charging start instruction after configuring the transmission parameter;

sending the wireless charging start instruction to the wireless charging receiving device; and

transmitting the energy signal.

9. A wireless charging receiving device, comprising:

a status monitoring circuit configured to obtain at least one of a first environment parameter, a first status parameter, or a first historical record, wherein the first environment parameter comprising at least one of a geographical location, a temperature, humidity, or an altitude of an environment in which the wireless charging receiving device is located, wherein the first status parameter comprising at least one of a battery level, a temperature, a voltage, or an energy consumption rate of the wireless charging receiving device, and wherein the first historical record comprising a previous wireless charging data record of the wireless charging receiving device;

a charging policy circuit coupled to the status monitoring circuit and configured to set a wireless charging requirement based on at least one of the first environment parameter, the first status parameter, or the first historical record obtained by the status monitoring circuit, wherein the wireless charging requirement comprising at least one of a wireless charging voltage, a wireless charging current, wireless charging power, a wireless charging speed, a wireless charging battery level, a wireless charging time, or wireless charging costs;

a communications circuit coupled to the status monitoring circuit and the charging policy circuit and configured to exchange data with a wireless charging transmission device;

a receiving circuit coupled to the status monitoring circuit, the charging policy circuit and the communications circuit and configured to;

receive an energy signal;

convert the energy signal into electric energy; and

store the electric energy in a battery, wherein the energy signal indicating energy obtained by the wireless charging transmission device by converting the electric energy according to the wireless charging requirement and that can be converted back into the electric energy by the wireless charging receiving device;

a control circuit coupled to the status monitoring circuit, the charging policy circuit, the communications circuit and the receiving circuit and configured to;

configure a receiving parameter according to the wireless charging requirement set by the charging policy circuit; and

control a start and a stop of wireless charging of the wireless charging receiving device,

the battery coupled to the status monitoring circuit, the charging policy circuit, the communications circuit, the receiving circuit and the control circuit and configured to;

store the electric energy received by the receiving circuit; and

supply power to the wireless charging receiving device;

a first storage coupled to the status monitoring circuit, the charging policy circuit, the communications circuit, the receiving circuit, the control circuit and the battery and configured to store configuration information of the wireless charging receiving device; and

a second storage coupled to the status monitoring circuit, the charging policy circuit, the communications circuit, the receiving circuit, the control circuit, the battery and the first storage and configured to store process data.

10. The wireless charging receiving device of claim 9, further comprising a function matching circuit coupled to the status monitoring circuit, the charging policy circuit, the communications circuit, the receiving circuit, the control circuit, the battery, the first storage and the second storage and configured to determine that at least one wireless charging communications protocol of the wireless charging receiving device is matched successfully with a wireless charging communications protocol of the wireless charging transmission device.

11. The wireless charging receiving device of claim 9, further comprising a location alignment circuit coupled to the status monitoring circuit, the charging policy circuit, the communications circuit, the receiving circuit, the control circuit, the battery, the first storage and the second storage and configured to determine that the wireless charging transmission device is located in a wireless charging receiving region of the wireless charging receiving device.

12. The wireless charging receiving device of claim 9, wherein the receiving circuit comprises at least a receive antenna and a converter coupled to the receive antenna, wherein the receive antenna is configured to:

receive the energy signal; and

convert the energy signal into alternating current electric energy, and

wherein the converter is configured to;

convert the alternating current electric energy, obtained through conversion by the receive antenna, into direct current electric energy; and

transmit the direct current electric energy to the battery.

13. The wireless charging receiving device of claim 12, wherein the converter is further configured to:

convert the alternating current electric energy, obtained through conversion by the receive antenna, into the direct current electric energy; and

input the direct current electric energy, obtained through conversion, into the battery as a constant direct current.

14. The wireless charging receiving device of claim 9, wherein configuring the receiving parameter comprises adjusting at least one of a voltage, a current, or a frequency of a receiving conversion circuit according to the wireless charging requirement.

15. A wireless charging transmission device, comprising:

a power entry circuit configured to obtain an electric energy from an external power supply;

a communications circuit coupled to the power entry circuit and configured to;

exchange data with a wireless charging receiving device; and

receive a wireless charging requirement from the wireless charging receiving device, wherein the wireless charging requirement comprising at least one of a wireless charging voltage, a wireless charging current, wireless charging power, a wireless charging speed, a wireless charging battery level, a wireless charging time, or wireless charging costs;

a control circuit coupled to the power entry circuit and the communications circuit and configured to;

configure a transmission parameter according to the wireless charging requirement received by the communications circuit; and

control a start and a stop of wireless charging of the wireless charging transmission device;

a transmission circuit coupled to the power entry circuit, the communications circuit and the control circuit and configured to;

convert, based on the transmission parameter, the electric energy obtained by the power entry circuit into an energy signal; and

output the energy signal, the energy signal indicating energy obtained by the wireless charging transmission device by converting the electric energy according to the wireless charging requirement and converted back into the electric energy by the wireless charging receiving device;

a first storage coupled to the power entry circuit, the communications circuit, the control circuit and the transmission circuit and configured to store configuration information of the wireless charging transmission device; and

a second storage coupled to power entry circuit, the communications circuit, the control circuit, the transmission circuit and the first storage and configured to store process data.

16. The wireless charging transmission device of claim 15, further comprising a function matching circuit coupled to the power entry circuit, the communications circuit, the control circuit, the transmission circuit, the first storage and the second storage and configured to determine that at least one wireless charging communications protocol of the wireless charging transmission device is matched successfully with a wireless charging communications protocol of the wireless charging receiving device.

17. The wireless charging transmission device of claim 15, further comprising a location alignment circuit coupled to the power entry circuit, the communications circuit, the control circuit, the transmission circuit, the first storage and the second storage and configured to determine that the wireless charging receiving device is located in a wireless charging transmission region of the wireless charging transmission device.

18. The wireless charging transmission device of claim 15, wherein the transmission circuit comprises a transmit antenna, and wherein the transmission circuit is further configured to:

reduce harmonic content in the transmission circuit, and increase a power factor value when the electric energy from the external power supply comprises alternating current electric energy;

convert input direct current electric energy into the alternating current electric energy when the electric energy from the external power supply comprises the direct current electric energy;

convert the alternating current electric energy into high-frequency alternating current electric energy; and

output the high-frequency alternating current electric energy to the transmit antenna, and wherein the transmit antenna is configured to;

convert the high-frequency alternating current electric energy into the energy signal; and

output the energy signal.

19. The wireless charging transmission device of claim 15, wherein when configuring the transmission parameter, the control circuit is further configured to perform at least one of:

configure wireless charging transmit power by adjusting at least one of a voltage, a current, or a frequency of a transmission conversion circuit according to the wireless charging requirement received by the communications circuit to ensure output of the energy signal matched with the wireless charging requirement;

or

configure a wireless charging right by setting a first right for the wireless charging receiving device according to the wireless charging requirement received by the communications circuit, wherein the first right corresponding to at least one of a charging time, charging efficiency, a charging rate, or a charging mode of the wireless charging transmission device.

20. The wireless charging transmission device of claim 15, further comprising a status monitoring circuit coupled to the power entry circuit, the communications circuit, the control circuit, the transmission circuit, the first storage and the second storage and configured to obtain a second environment parameter, a second status parameter, and a second historical record, wherein the second environment parameter comprising at least one of a geographical location, a temperature, humidity, an altitude, or a time of an environment in which the wireless charging transmission device is located, wherein the second status parameter comprising at least one of a battery level, a temperature, a voltage, or an energy consumption rate of the wireless charging transmission device, and wherein the second historical record comprising a previous wireless charging data record of the wireless charging transmission device.