IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0375529
(2006-03-14)
|
등록번호 |
US-7358860
(2008-04-15)
|
발명자
/ 주소 |
- Germouni,Omar
- Mondal,Indrasis
- Parias,Thomas
- Harper,Charles N.
- Boczon,Michael T.
- Henry,Joel R.
|
출원인 / 주소 |
- American Air Liquide, Inc.
- Air Liquide Large Industries U.S. LP
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
10 인용 특허 :
3 |
초록
▼
Embodiments of the invention provide a method, article of manufacture, and system of detecting a cryogenic leak. In one embodiment, the method includes calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the inf
Embodiments of the invention provide a method, article of manufacture, and system of detecting a cryogenic leak. In one embodiment, the method includes calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the infrared camera wherein the low temperature is lower than an ambient temperature, detecting one or more second areas of low temperature in a second infrared image of the location received from the infrared camera wherein the low temperature in the second infrared image is lower than the ambient temperature and indicative of the cryogenic leak, and wherein the one or more second areas are not the one or more first areas, and in response to detecting the one or more second areas of low temperature in the second infrared image, generating an alarm message which indicates the cryogenic leak.
대표청구항
▼
What is claimed is: 1. A method of detecting a cryogenic leak comprising: a) calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the infrared camera wherein the low temperature is lower than an ambient temperat
What is claimed is: 1. A method of detecting a cryogenic leak comprising: a) calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the infrared camera wherein the low temperature is lower than an ambient temperature; b) detecting one or more second areas of low temperature in a second infrared image of the location received from the infrared camera wherein the low temperature in the second infrared image is lower than the ambient temperature and indicative of the cryogenic leak, and wherein the one or more second areas are not the one or more first areas; and c) in response to detecting the one or more second areas of low temperature in the second infrared image, generating an alarm message which indicates the cryogenic leak. 2. The method of claim 1, wherein the one or more first areas include one or more first array components and wherein the one or more second areas include one or more second array components. 3. The method of claim 1, wherein the alarm message is generated only if a rate of decrease of temperature of the one or more second areas of low temperature is above a threshold rate corresponding to the cryogenic leak. 4. The method of claim 1, further comprising: d) sending the alarm message across a network to a computer, wherein the alarm message includes one of the second infrared image and a description of a location of the cryogenic leak. 5. The method of claim 1, further comprising: d) processing the second infrared image using an edge-detection algorithm to determine the one or more second areas of low temperature. 6. The method of claim 1, further comprising: d) processing the second infrared image using a noise filter to remove noise in the second infrared image. 7. The method of claim 1, further comprising: d) receiving a user selection of one or more third areas in a third infrared image of the location; and e) preventing detection of a temperature change within the one or more third areas during detection of the one or more second areas of low temperature. 8. The method of claim 1, wherein the infrared camera is configured to detect a low temperature which is lower than a lowest recorded ambient temperature of the location. 9. A computer-readable medium including a program which, when executed by a processor, performs a method of detecting a cryogenic leak, the method comprising: a) calibrating an infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the infrared camera wherein the low temperature is lower than an ambient temperature; b) detecting one or more second areas of low temperature in a second infrared image of the location received from the infrared camera wherein the low temperature in the second infrared image is lower than the ambient temperature and indicative of the cryogenic leak, and wherein the one or more second areas are not the one or more first areas; and c) in response to detecting the one or more second areas of low temperature in the second infrared image, generating an alarm message which indicates the cryogenic leak. 10. The computer-readable medium of claim 9, wherein the one or more first areas include one or more first array components and wherein the one or more second areas include one or more second array components. 11. The computer-readable medium of claim 9, wherein the alarm message is generated only if a rate of decrease of temperature of the one or more second areas of low temperature is above a threshold rate corresponding to the cryogenic leak. 12. The computer-readable medium of claim 9, wherein the method further comprises: d) sending the alarm message across a network to a computer, wherein the alarm message includes one of the second infrared image and a description of a location of the cryogenic leak. 13. The computer-readable medium of claim 9, wherein the method further comprises: d) processing the second infrared image using an edge-detection algorithm to determine the one or more second areas of low temperature. 14. The computer-readable medium of claim 9, wherein the method further comprises: d) processing the second infrared image using a noise filter to remove noise in the second infrared image. 15. The computer-readable medium of claim 9, wherein the method further comprises: d) receiving a user selection of one or more third areas in a third infrared image of the location; and e) preventing detection of a temperature change within the one or more third areas during detection of the one or more second areas of low temperature. 16. The computer-readable medium of claim 9, wherein the infrared camera is configured to detect a low temperature which is lower than a lowest recorded ambient temperature of the location. 17. A system comprising: a) an infrared camera; and b) a processor configured to: i) calibrate the infrared camera by detecting one or more first areas of low temperature in a first infrared image of a location received from the infrared camera wherein the low temperature is lower than an ambient temperature; ii) detect one or more second areas of low temperature in a second infrared image of the location received from the infrared camera wherein the low temperature in the second infrared image is lower than the ambient temperature and indicative of the cryogenic leak, and wherein the one or more second areas are not the one or more first areas; and iii) in response to detecting the one or more second areas of low temperature in the second infrared image, generate an alarm message which indicates the cryogenic leak. 18. The system of claim 17, wherein the one or more first areas include one or more first array components and wherein the one or more second areas include one or more second array components. 19. The system of claim 17, wherein the alarm message is generated only if a rate of decrease of temperature of the one or more second areas of low temperature is above a threshold rate corresponding to the cryogenic leak. 20. The system of claim 17, wherein the processor is further configured to: iv) send the alarm message across a network to a computer, wherein the alarm message includes one of the second infrared image and a description of a location of the cryogenic leak. 21. The system of claim 17, wherein the processor is further configured to: iv) process the second infrared image using an edge-detection algorithm to determine the one or more second areas of low temperature. 22. The system of claim 17, wherein the processor is further configured to: iv) process the second infrared image using a noise filter to remove noise in the second infrared image. 23. The system of claim 17, wherein the processor is further configured to: iv) receive a user selection of one or more third areas in a third infrared image of the location; and v) prevent detection of a temperature change within the one or more third areas during detection of the one or more second areas of low temperature. 24. The system of claim 17, wherein the infrared camera is configured to detect a low temperature which is lower than a lowest recorded ambient temperature of the location. 25. The system of claim 17, wherein one or more surfaces of the location monitored by the infrared camera are painted with a paint having low thermal conductivity.
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