Cluster management of transmitters in a wireless power transmission system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-050/80
H04W-052/24
H04W-048/10
H04J-003/12
H02J-050/90
H02J-007/02
출원번호
US-0061473
(2016-03-04)
등록번호
US-10193396
(2019-01-29)
발명자
/ 주소
Bell, Douglas
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
195
초록▼
The embodiments described herein include a transmitter that transmits a power waves (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or integrated into electronic devices and receive power from the pocket of energy. A
The embodiments described herein include a transmitter that transmits a power waves (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or integrated into electronic devices and receive power from the pocket of energy. A wireless power network may include a plurality of wireless power transmitters each with an embedded wireless power transmitter manager, including a wireless power manager application. The wireless power network may include a plurality of client devices with wireless power receivers. The wireless power transmitter managers may receive a plurality of power transfer attributes from one or more of the wireless power receivers, client devices, a management control system, and sensors. A master transmitter manager may select at least one of the power transmitter managers to control the transmission of power waves in accordance with the plurality of power transfer attributes.
대표청구항▼
1. A method of assigning wireless power transmitters to wireless power receivers, comprising: at a first power transmitter designated to assign other power transmitters to wirelessly transmit power to one or more power receivers, the other power transmitters are in wireless communication with the fi
1. A method of assigning wireless power transmitters to wireless power receivers, comprising: at a first power transmitter designated to assign other power transmitters to wirelessly transmit power to one or more power receivers, the other power transmitters are in wireless communication with the first power transmitter: periodically receiving, from each of the other power transmitters, signals including information identifying respective power transfer attributes associated with transmissions of wireless power from each of the other power transmitters to one or more wireless power receivers;generating, based on the power transfer attributes, an assignment list that assigns each of the other power transmitters to wirelessly transmit power to one or more of the wireless power receivers;periodically updating the assignment list based on the periodically received signals; andsending, to each of the other power transmitters, instructions to begin transmitting wireless power waves to respective assigned wireless power receivers in accordance with the updated assignment list. 2. The method of claim 1, further comprising: periodically broadcasting signals including the assignment list to the other power transmitters. 3. The method of claim 1, wherein the power transfer attributes include information identifying a respective signal strength level of communication signals received at respective power transmitters of the other power transmitters from the one or more power receivers. 4. The method of claim 3, wherein the power transfer attributes further include information identifying one or more of: (1) authorization of a respective power receiver to receive wireless power from a respective power transmitter; (2) wireless power transfer scheduling data associated with a respective power receiver; (3) wireless power transfer availability data associated with a respective power transmitter; (4) power requirements of a respective power receiver; and (5) power transmission path obstruction data. 5. The method of claim 4, further comprising: calculating respective power transfer ratings of the other power transmitters using the power transfer attributes. 6. The method of claim 1, further comprising: detecting a change in a power transfer attribute associated with wireless power transmission from a second power transmitter to a first power receiver that is assigned by the first power transmitter to the second power transmitter, wherein the second power transmitter is one of the other power transmitters;in accordance with a determination that the change indicates that the first power receiver should be assigned to a different power transmitter other than the second power transmitter, selecting a third power transmitter of the other power transmitters having a highest power transfer rating among the other power transmitters to transmit wireless power to the first power receiver; andsending an instruction to the third power transmitter to begin wirelessly transmitting power waves to the first power receiver. 7. The method of claim 6, further comprising: instructing the second power transmitter to cease wirelessly transmitting power waves to the first power receiver; andupdating the assignment list to indicate that the third power transmitter is assigned to wirelessly transmit power to the first power receiver. 8. The method of claim 6, further comprising: establishing a security paring process between the third power transmitter and the first power receiver. 9. The method of claim 1, wherein the signals received from a respective power transmitter of the other power transmitters further include one or more of: (1) a network address of the respective power transmitter, (2) status information of the respective power transmitter regarding whether the respective power transmitter is a master power transmitter or a worker power transmitter, and (3) identifications of one or more power receivers currently assigned to receive wireless power from the respective power transmitter. 10. The method of claim 1, wherein transmitting wireless power comprises transmitting radio frequency power waves. 11. The method of claim 1, wherein the signals received from the other power transmitters are sent using User Datagram Protocol (UDP). 12. The method of claim 1, wherein: a set of the periodically received signals indicate that a new power receiver is within a communication range of one or more of the other power transmitters;and the method further comprises: determining power transfer ratings for each of the one or more of the other power transmitters with respect to the new power receiver; andin accordance with determining that a second power transmitter of the one or more of the other power transmitters has a highest power transfer rating as compared to the one or more of the other power transmitters, instructing the second power transmitter to begin wirelessly transmitting power waves to the new power receiver. 13. The method of claim 1, wherein: the updated assignment list indicates that a first power receiver of the one or more wireless power receivers is assigned to a second power transmitter of the other power transmitters, anda set of the periodically received signals indicates that a first power receiver has moved out of a wireless power transmission range of the second power transmitter; andthe method further comprises: instructing the second power transmitter to cease transmitting wireless power to the first power receiver. 14. The method of claim 1, wherein the first power transmitter is designated as a master power transmitter and the other power transmitters are designated as worker power transmitters in accordance with a determination that the first power transmitter has a lower internet protocol (IP) address relative to respective IP addresses of the other power transmitters. 15. The method of claim 1, wherein the first power transmitter and the other power transmitters comprise a cluster of wireless power transmitters. 16. The method of claim 1, further comprising: storing, at the first power transmitter, (1) the power transfer attributes and (2) the assignment list. 17. A wireless power transmitter comprising: an array of antennas;a communication component; andone or more processors,wherein the wireless power transmitter is designated to assign other power transmitters to wirelessly transmit power to one or more power receivers, the other power transmitters are in wireless communication with the wireless power transmitter, wherein the one or more processors are configured to: periodically receive, from each of the other power transmitters, signals including information identifying respective power transfer attributes associated with transmissions of wireless power from each of the other power transmitters to one or more wireless power receivers;generate, based on the power transfer attributes, an assignment list that assigns each of the other power transmitters to wirelessly transmit power to one or more of the wireless power receivers;periodically update the assignment list based on the periodically received signals; andsend, to each of the other power transmitters, instructions to begin transmitting wireless power waves to respective assigned wireless power receivers in accordance with the updated assignment list. 18. A non-statutory computer readable storage medium comprising executable instructions that, when executed by a first wireless power transmitter with at least one processor, a communication component, and an array of antennas configured to transmit power waves, wherein the first power transmitter is designated to assign other power transmitters to wirelessly transmit power to one or more power receivers, and wherein the other power transmitters are in wireless communication with the first power transmitter, cause the first wireless power transmitter to: periodically receive, from each of the other power transmitters, signals including information identifying respective power transfer attributes associated with transmissions of wireless power from each of the other power transmitters to one or more wireless power receivers;generate, based on the power transfer attributes, an assignment list that assigns each of the other power transmitters to wirelessly transmit power to one or more of the wireless power receivers;periodically update the assignment list based on the periodically received signals; andsend, to each of the other power transmitters, instructions to begin transmitting wireless power waves to respective assigned wireless power receivers in accordance with the updated assignment list.
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