Methods and apparatus for ultrasonic fluid flow measurement and fluid flow data analysis
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01F-001/66
G01F-015/06
G06F-019/00
출원번호
US-0715226
(2015-05-18)
등록번호
US-9874466
(2018-01-23)
발명자
/ 주소
Leaders, Jeffrey L.
Dugger, Jeffery
출원인 / 주소
Reliance Worldwide Corporation
대리인 / 주소
Foley & Lardner LLP
인용정보
피인용 횟수 :
2인용 특허 :
72
초록▼
A fluid flow meter estimates the velocity of water or another fluid flowing through pipe by comparing measurements of the water velocity to one or more pre-determined templates. The fluid flow meter may collect measurement signals from one or more flow sensors, estimate the fluid velocity or flow ra
A fluid flow meter estimates the velocity of water or another fluid flowing through pipe by comparing measurements of the water velocity to one or more pre-determined templates. The fluid flow meter may collect measurement signals from one or more flow sensors, estimate the fluid velocity or flow rate by comparing the measurement signals to the template, and either store the comparison results in local memory, transmit the results to a remote memory or server, or both. In some embodiments, the fluid flow meter transmits the results to a server via a wireless interface. The transducers and processing system can be powered by a battery, a power line, or, for manifolds installed outdoors, a solar cell. Example transducers and processing systems may also have a passive wake-up feature for power reduction; that is, they may only draw power when water or another fluid flows through the pipe.
대표청구항▼
1. A method of monitoring fluid usage in a dwelling, the method comprising: generating, by each of a plurality of non-invasive ultrasonic fluid flow sensors installed on a corresponding outlet port among a plurality of outlet ports of a fluid manifold device, a respective measurement signal indicati
1. A method of monitoring fluid usage in a dwelling, the method comprising: generating, by each of a plurality of non-invasive ultrasonic fluid flow sensors installed on a corresponding outlet port among a plurality of outlet ports of a fluid manifold device, a respective measurement signal indicative of a fluid flow parameter of a fluid flowing through corresponding outlet port, the fluid flow parameter including a velocity or a flow rate of the fluid flowing through the corresponding outlet port, the fluid manifold device including a plurality of fluid flow meters installed thereon, the plurality of fluid flow meters including the plurality of non-invasive ultrasonic fluid flow sensors, at least one processor communicatively coupled to the plurality of non-invasive ultrasonic fluid flow sensors, and a wireless communication interface communicatively coupled to the at least one processor;determining, by the at least one processor, for each outlet port of the plurality of outlet ports, a respective estimate of the fluid flow parameter of the fluid flowing through that outlet port based on the measurement signal generated by the ultrasonic fluid flow sensor installed on that outlet port;transmitting, by the wireless communication interface via one or more communications networks to a server, for each outlet port of the plurality of outlet ports, data indicative of at least one of the estimate of the fluid flow parameter and the measurement signal associated with that outlet port;determining, by the server, fluid usage information for each outlet port of the plurality of outlet ports based on the data indicative of at least one of the estimate of the fluid flow parameter and the measurement signal associated with that outlet port;transmitting, by the server via the one or more communications networks to a client device, data indicative of the fluid usage information for each outlet port of the plurality of outlet ports, the fluid usage information including real-time fluid usage information; anddisplaying, by a client software application executing on the client device, the fluid usage information for at least one of the plurality of outlet ports on a display of the client device. 2. The method of claim 1 further comprises: determining, by a billing engine of the server, billing information or real-time fluid usage charges based on the fluid usage information for each outlet port; andproviding, by the billing engine of the server, the billing information or the real-time fluid usage charges to the client software application for display on the client device. 3. The method of claim 1 further comprises: detecting, by the server, at least one of a fluid leak, a pipe freeze, and a malfunction based on at least one measurement signal associated with at least one respective outlet port; andtransmitting, by the server, an alert indicative of the fluid leak, the pipe freeze, or the malfunction to the client software application for display on the client device. 4. The method of claim 1, wherein the fluid usage information for each outlet port further includes at least one of estimated fluid flow velocities, estimated fluid flow rates, fluid usage per outlet port, historic fluid usage information, statistics of fluid usage, a number of fluid flow events, and durations of flow fluid events. 5. The method of claim 1, wherein the fluid usage information includes comparisons of fluid usage among a plurality of dwellings. 6. The method of claim 1, wherein transmitting data indicative of at least one of the estimate of the fluid flow parameter and the measurement signal to the server includes transmitting the data indicative of at least one of the estimate of the fluid flow parameter and the measurement signal to a wireless hub via the wireless communication interface, the wireless hub communicatively coupled to the server via the one or more communication networks. 7. The method of claim 1, wherein each outlet port of the manifold is associated with a respective fixture or a respective room in the dwelling. 8. The method of claim 1 further comprising transmitting, by the server, firmware updates to the plurality of the fluid flow meters via the one or more communications network. 9. A system for monitoring fluid usage in a dwelling, the system comprising: at least one fluid flow metering system including: a fluid manifold device including at least one inlet port and a plurality of outlet ports, each outlet port for connecting to a respective pipe;a plurality of fluid flow meters installed on the fluid manifold device for measuring fluid flow at the plurality of outlet ports of the fluid manifold device, the plurality of fluid flow meters including: a plurality of non-invasive ultrasonic fluid flow sensors, each non-invasive ultrasonic fluid flow sensor installed on a corresponding outlet port among a plurality of outlet ports of the fluid manifold device and including at least a pair of transducers to exchange ultrasonic signals through a fluid flowing through the corresponding outlet port and to generate a measurement signal indicative of a fluid flow parameter of the fluid flowing through the corresponding outlet port, the fluid flow parameter including a velocity or a flow rate of the fluid flowing through the corresponding outlet port;at least one processor, communicatively coupled to the ultrasonic fluid flow sensors associated with the plurality of outlet ports, to determine for each outlet port of the plurality of outlet ports a respective estimate of the fluid flow parameter of the fluid flowing through that outlet port based on the measurement signal generated by the ultrasonic fluid flow sensor installed on that outlet port; anda wireless communications interface, communicatively coupled to the at least one processor, to transmit, for each outlet port of the plurality of outlet ports, data indicative of at least one of the fluid flow parameter estimate and the measurement signal associated with that outlet port to one or more remote devices via one or more communications network;a server to receive, from the fluid flow metering system via the one or more communication networks, for each outlet port of the plurality of outlet ports, the data indicative of the at least one of the estimate of the fluid flow parameter and the measurement signal associated with that outlet port, the server including: an analytics engine to determine fluid usage information for each outlet port of the plurality of outlet ports based on the data indicative of the at least one of the estimate of the fluid flow parameter and the measurement signal for that outlet port, the fluid usage information including real-time fluid usage information; anda client software application, executable on a client device, configured to receive data indicative of fluid usage information for each of the plurality of outlet ports from the server via the one or more communication networks, and display the data indicative of fluid usage information for at least one of the plurality of outlet ports on a display of the client device. 10. The system of claim 9, wherein the server further comprises a billing engine to determine billing information or real-time fluid usage charges based on the fluid usage information for each outlet port, and provide the billing information or the real-time fluid usage charges to the client software application for display on the client device. 11. The system of claim 9, wherein the fluid flow metering system or the analytics engine is configured to detect at least one of a fluid leak, a pipe freeze, and a malfunction based on at least one measurement signal associated with at least one respective outlet port, and wherein the server is configured to send an alert indicative of the fluid leak, the pipe freeze, or the malfunction to the client software application for display on the client device. 12. The system of claim 9 wherein the fluid usage information for each outlet port includes at least one of estimated fluid flow velocities, estimated fluid flow rates, fluid usage per outlet port, a number of fluid flow events, and durations of flow fluid events. 13. The system of claim 9, wherein the client software application is configured to provide a dashboard for displaying the fluid usage information. 14. The system of claim 13, wherein the dashboard enables a fluid user or a fluid provider to access real-time fluid usage data, historic fluid usage data, and statistics of fluid usage data. 15. The system of claim 13 comprising a plurality of fluid flow metering systems associated with a plurality of dwellings, wherein the dashboard enables a fluid user or a fluid provider to access comparisons of fluid usage among the plurality of dwellings. 16. The system of claim 9, wherein each ultrasonic fluid flow sensor includes: (i) a first transducer to transmit an ultrasonic signal through the fluid flowing through the lumen;(ii) a second transducer to receive a reflected, scattered, or transmitted copy of the ultrasonic signal; and(iii) a front end to generate the measurement signal from the reflected, scattered, or transmitted copy of the ultrasonic signal. 17. The system of claim 9, wherein each outlet port is associated with a respective fixture or a respective room in the dwelling. 18. The system of claim 9, wherein at least one port of the inlet port and the plurality of outlet ports of the fluid manifold device includes a gate valve for stopping fluid flow through that port. 19. The system of claim 9, wherein the server transmits firmware updates to the plurality of the fluid flow meters via the one or more communications network. 20. The system of claim 9, wherein the at least one processor is configured to determine, for each outlet port, the respective estimate of the fluid flow parameter by computing cross-correlation values between the generated measurement signal associated with that outlet port and a plurality of templates corresponding to separate possible fluid velocities of the fluid flowing through that port, each template is filtered to match a distortion associated with the generated measurement signal associated with that outlet port.
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