Method for automatically testing the operational status of a wireless power receiver in a wireless power transmission system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01R-031/40
H02J-007/02
H04W-004/80
출원번호
US-0585727
(2014-12-30)
등록번호
US-10199849
(2019-02-05)
발명자
/ 주소
Bell, Douglas
Leabman, Michael
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
195
초록▼
An example wireless power receiver includes antenna elements that receive power from a constructive interference by convergence of radio frequency power waves transmitted by a wireless power transmitter. The receiver also includes a rectifier, and a processing apparatus. The processing apparatus mon
An example wireless power receiver includes antenna elements that receive power from a constructive interference by convergence of radio frequency power waves transmitted by a wireless power transmitter. The receiver also includes a rectifier, and a processing apparatus. The processing apparatus monitors operational metrics associated with the receiver, and runs at least a first test that analyzes a first operational metric and a second test that analyzes a second operational metric. The second test is performed in accordance with a determination that the first operational metric satisfies a first reference metric in a set of reference metrics. Based on analyses of the first and second tests, the processing apparatus performs a restart action at the receiver after determining that either the first operational metric does not satisfy the first reference metric, or the second operational metric does not satisfy a second reference metric in the set of reference metrics.
대표청구항▼
1. A wireless power receiver, comprising: a plurality of antenna elements configured to receive power from a controlled constructive interference by convergence of a set of radio frequency (RF) power waves that are transmitted by a wireless power transmitter that is separate from the wireless power
1. A wireless power receiver, comprising: a plurality of antenna elements configured to receive power from a controlled constructive interference by convergence of a set of radio frequency (RF) power waves that are transmitted by a wireless power transmitter that is separate from the wireless power receiver;a rectifier, operatively coupled to the plurality of antenna elements, and configured to rectify alternating current (AC) voltage received from the plurality of antenna elements into direct current (DC) voltage; anda processing apparatus, coupled to the plurality of antenna elements and the rectifier, and configured to: monitor a plurality of operational metrics associated with the wireless power receiver;detect a trigger that causes the processing apparatus to run at least (i) a first test that analyzes a first operational metric of the plurality of operational metrics and (ii) a second test that analyzes a second operational metric, distinct from the first operational metric, of the plurality of operational metrics, wherein the second test is performed in accordance with a determination that the first operational metric satisfies the first reference metric in the set of reference metrics; andbased on analyses of the first and second tests, perform a restart action at the wireless power receiver after determining that: (i) the first operational metric does not satisfy a first reference metric in a set of reference metrics or (ii) the second operational metric does not satisfy a second reference metric in the set of reference metrics. 2. The wireless power receiver of claim 1, further comprising a communications component configured to send and receive data. 3. The wireless power receiver of claim 2, wherein the trigger comprises at least one of a boot-up at the wireless power receiver, a restart at the wireless power receiver, a self-test command received at the communications component from the wireless power transmitter, and a self-test command received at the communications component from a remote server. 4. The wireless power receiver of claim 2, wherein: the communications component is configured to transmit a status message to the wireless power transmitter upon determining that one or more of the first and second operational metrics do not satisfy the first and second reference metrics, respectively; andthe processing apparatus performs the restart action at the wireless power receiver after the communications component transmits the status message to the wireless power transmitter. 5. The wireless power receiver of claim 2, wherein the communications component is configured to operate using communication protocols selected from the group consisting of: Wi-Fi, Bluetooth®, Bluetooth® Low Energy, ZigBee®, and LTE. 6. The wireless power receiver of claim 1, wherein the processing apparatus is further configured to determine a presence of patterns in the first and second operational metrics based upon comparing the first and second operational metrics against the first and second reference metrics, respectively. 7. The wireless power receiver of claim 1, wherein the processing apparatus is configured to execute a power receiver application that (i) monitors the plurality of operational metrics, (ii) detects the trigger, and (iii) runs the first and second tests. 8. The wireless power receiver of claim 1, wherein: the first operational metric corresponds to a hardware component of the wireless power receiver; andthe second operational metric corresponds to a software component of the wireless power receiver. 9. The wireless power receiver of claim 1, wherein the processing apparatus is further configured to update a value for at least one operational metric of the plurality of operational metrics in response to detecting the trigger. 10. A method of operating a wireless power receiver, comprising: receiving, by a plurality of antenna elements of the wireless power receiver, power from a controlled constructive interference formed by convergence of a set of radio frequency (RF) power waves that are transmitted by a wireless power transmitter that is separate from the wireless power receiver;rectifying, by a rectifier operatively coupled to the plurality of antenna elements, alternating current (AC) voltage received from the plurality of antenna elements into direct current (DC) voltage;monitoring, by a processing apparatus of the wireless power receiver, a plurality of operational metrics associated with the wireless power receiver;detecting, by the processing apparatus, a trigger that causes the processing apparatus to run at least (i) a first test that analyzes a first operational metric of the plurality of operational metrics and (ii) a second test that analyzes a second operational metric, distinct from the first operational metric, of the plurality of operational metrics, wherein the second test is performed in accordance with a determination that the first operational metric satisfies the first reference metric in the set of reference metrics; andbased on analyses of the first and second tests, performing, by the processing apparatus, a restart action at the wireless power receiver after determining that: (i) the first operational metric does not satisfy a first reference metric in a set of reference metrics or (ii) the second operational metric does not satisfy a second reference metric in the set of reference metrics. 11. The method of claim 10, further comprising transmitting, by a communications component of the wireless power receiver, data associated with the received set of RF wireless power waves to the wireless power. 12. The method of claim 11, wherein the trigger comprises at least one of a boot-up at the wireless power receiver, a restart at the wireless power receiver, a self-test command received at the communications component from the wireless power transmitter, and a self-test command received at the communications component from a remote server. 13. The method of claim 11, further comprising transmitting, by the communications component, an error message to the wireless power transmitter upon determining that one or more of the first and second operational metrics do not satisfy the first and second reference metrics, respectively, wherein the processing apparatus performs the restart action at the wireless power receiver after the communications component transmits the error message to the wireless power transmitter. 14. The method of claim 11, wherein the communications component is configured to operate using communications protocol selected from the group consisting of: Wi-Fi, Bluetooth®, Bluetooth® Low Energy, ZigBee®, and LTE. 15. The method of claim 10, further comprising: determining, by the processing apparatus, a presence of patterns in the first and second operational metrics based upon comparing the first and second operational metrics against the first and second reference metrics, respectively. 16. The method of claim 10, wherein the processing apparatus executes a power receiver application that performs the monitoring and detecting operations, and the power receiver application runs the first and second tests. 17. The method of claim 10, wherein: the first operational metric corresponds to a hardware component of the wireless power receiver; andthe second operational metric corresponds to a software component of the wireless power receiver. 18. The method of claim 10, further comprising, in response to detecting the trigger: updating, by the processing apparatus, a value for at least one operational metric of the plurality of operational metrics.
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