Integrity testing of storage tank structure using robotic ultrasound
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01N-029/265
G01M-003/24
G01N-029/04
G01N-029/06
G01N-029/26
출원번호
US-0924567
(2015-10-27)
등록번호
US-10012561
(2018-07-03)
발명자
/ 주소
Walker, Stephen Edward
Rubin, Sheldon
출원인 / 주소
Sonasearch, Inc.
대리인 / 주소
Christensen O'Connor Johnson Kindness PLLC
인용정보
피인용 횟수 :
0인용 특허 :
20
초록▼
An objective of this invention is to provided apparatus and methods to test the integrity of empty and full tanks. Another object of this invention is to provide a granular inspection of the tank. Another object of this invention is to provide precision positioning information of sample points. Anot
An objective of this invention is to provided apparatus and methods to test the integrity of empty and full tanks. Another object of this invention is to provide a granular inspection of the tank. Another object of this invention is to provide precision positioning information of sample points. Another object of this invention is to provide automated inspection pattern and correction. Another object of this invention is to minimize hazardous working conditions.
대표청구항▼
1. A remotely operated vehicle (“ROV”) system configured to non-destructively inspect the integrity of an interior of a vessel, the system comprising: an ROV comprising an ultrasound phased array comprised of a plurality of ultrasound transducers, tracks configured to assist the ROV to crawl on an i
1. A remotely operated vehicle (“ROV”) system configured to non-destructively inspect the integrity of an interior of a vessel, the system comprising: an ROV comprising an ultrasound phased array comprised of a plurality of ultrasound transducers, tracks configured to assist the ROV to crawl on an inner surface of the vessel, and a plurality of thrusters configured to assist the ROV to swim through a liquid contained within the vessel;an acoustic tracking system configured to track the location of the ROV in the vessel; anda telemetry system configured to receive and compile data from the ultrasound phased array and the acoustic tracking system, wherein the telemetry system is pre-loaded with a template of the interior of the vessel, including positions of floor plates and any obstacles. 2. The ROV system of claim 1, wherein the ultrasound phased array is configured to measure both a floor and a wall of the vessel from a single position of the ROV. 3. The ROV system of claim 1, further comprising a plurality of ultrasound phased arrays. 4. The ROV system of claim 1, wherein the acoustic tracking system comprises at least one pinger and at least three hydrophone base stations. 5. The ROV system of claim 4, wherein the at least three hydrophone base stations are disposed on an outside of the vessel. 6. The ROV system of claim 1, further comprising a safety interlock comprising a pressure transmitter configured to continuously measure ambient pressure at the top of the ROV. 7. The ROV system of claim 6, wherein the safety interlock is configured to prevent the ROV, when descending into the vessel, from being powered until it is below a pre-determined exclusion zone. 8. The ROV system of claim 6, wherein the safety interlock is configured to prevent the ROV, when ascending from the bottom of the vessel, from being powered when it reaches a pre-determined exclusion zone. 9. The ROV system of claim 6, wherein the safety interlock further comprises a barometric pressure transmitter, located outside the vessel, that is configured to continuously measure ambient atmospheric pressure, and wherein the safety interlock is configured to accurately measure the depth of the ROV by taking into account the ambient atmospheric pressure. 10. The ROV system of claim 1, wherein the ultrasound phased array is a linear ultrasound phased array. 11. The ROV system of claim 1, wherein the telemetry system is configured to time-stamp data generated by the ultrasound phased array and data generated the acoustic tracking system and correlate the data generated by the ultrasound phased array and with a position on the vessel. 12. The ROV system of claim 1, wherein the obstacles are selected from the group consisting of sumps, pipes, and a combination thereof. 13. A method of non-destructively inspecting the integrity of an interior of a vessel using an ROV system according to claim 1, the method comprising: providing an ROV in an interior of the vessel while tracking a location of the ROV in the vessel using an acoustic tracking system;positioning the ROV at a measurement location in the vessel by moving the ROV by crawling on the interior surface of the vessel or swimming through a liquid contained in the vessel;inspecting the measurement location using an ultrasound phased array attached to the ROV and transmitting data generated to a telemetry exterior to the vessel; andin the telemetry system, compiling data from the ultrasound phased array and the acoustic tracking system to provide a measurement of the measurement location, wherein the telemetry system is pre-loaded with a template of the interior of the vessel, including positions of floor plates and any obstacles. 14. The method of claim 13, wherein positioning the ROV includes maneuvering the ROV around obstacles defined on the template. 15. The method of claim 13, wherein inspecting the measurement location includes using the ultrasound phased array to measure both a floor and a wall of the vessel from a single position of the ROV. 16. The method of claim 13, wherein the ROV system further comprises a safety interlock system and the method further includes a step of preventing the ROV, when descending into the vessel, from being powered until it is below a pre-determined exclusion zone. 17. The method of claim 13, wherein the ROV system further comprises a safety interlock system and the method further includes a step of preventing the ROV, when ascending from the bottom of the vessel, from being powered when it reaches a pre-determined exclusion zone. 18. The method of claim 13, wherein the telemetry system is configured to time-stamp data generated by the ultrasound phased array and data generated the acoustic tracking system and correlate the data generated by the ultrasound phased array and with a position on the vessel.
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