Corrosion detector apparatus for universal assessment of pollution in data centers
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01R-027/08
G01N-017/04
출원번호
US-0439514
(2012-04-04)
등록번호
US-9109989
(2015-08-18)
발명자
/ 주소
Hamann, Hendrik F.
Klein, Levente I.
출원인 / 주소
International Business Machines Corporation
대리인 / 주소
Scully, Scott, Murphy & Presser, P.C.
인용정보
피인용 횟수 :
4인용 특허 :
9
초록▼
A compact corrosion measurement apparatus and system includes an air fan, a corrosion sensor, a temperature sensor, a humidity sensor, a heater element, and an air flow sensor all under control to monitor and maintain constant air parameters in an environment and minimize environmental fluctuations
A compact corrosion measurement apparatus and system includes an air fan, a corrosion sensor, a temperature sensor, a humidity sensor, a heater element, and an air flow sensor all under control to monitor and maintain constant air parameters in an environment and minimize environmental fluctuations around the corrosion sensor to overcome the variation commonly encountered in corrosion rate measurement. The corrosion measurement apparatus includes a structure providing an enclosure within which are located the sensors. Constant air flow and temperature is maintained within the enclosure where the corrosion sensor is located by integrating a variable speed air fan and a heater with the corresponding feedback loop control. Temperature and air flow control loops ensure that corrosivity is measured under similar conditions in different facilities offering a general reference point that allow a one to one comparison between facilities with similar or different pollution levels.
대표청구항▼
1. A corrosion measurement apparatus comprising: a structure forming an enclosure having a first end and a second end;a corrosion sensor device located within said enclosure;a first sensor device located within said enclosure for determining a respective air flow value within said enclosure;a second
1. A corrosion measurement apparatus comprising: a structure forming an enclosure having a first end and a second end;a corrosion sensor device located within said enclosure;a first sensor device located within said enclosure for determining a respective air flow value within said enclosure;a second sensor device located within said enclosure for determining an air temperature value within said enclosure;a third sensor device located within the enclosure for determining an air humidity value within said enclosure;a fan device located at the first end of said structure;a heating device located within said enclosure; anda control device operatively connected with said fan device and heating device for receiving real-time air flow and air temperature values, and air humidity value, and, responsive to said values, said control device generating one or more control signals for modifying operation of at least one of said heating device or fan device, to provide a target uniform temperature and a target air flow within said enclosure while obtaining a corrosion rate measurement via said corrosion sensor device. 2. The corrosion measurement apparatus as in claim 1, wherein said control device is one of: a P-I-D (proportional-integral-derivative) feedback controller, an optimal controller; a model predictive controller; a robust control device or an adaptive control device. 3. The corrosion measurement apparatus as in claim 1, wherein said second sensor device is a temperature sensor for determining a temperature measurement value within said enclosure. 4. The corrosion measurement apparatus as in claim 1, wherein said first sensor device is an air flow sensor for determining an air flow measurement value within said enclosure. 5. The corrosion measurement apparatus as in claim 1, wherein said first sensor device is a differential air pressure sensor for determining said air flow value within said enclosure, said corrosion detection device further comprising: a first tube extension having a first end connecting said enclosure at a first location;a second tube extension having a first end connecting said enclosure at a second location, an interior of each said first and second tube extensions communicating with an interior of said enclosure,wherein said differential air pressure sensor operatively connects a second end of each first and second tube extensions for sensing air pressure differential within said enclosure between said first and second locations. 6. The corrosion measurement apparatus as in claim 1, wherein said third sensor located within said enclosure is a relative humidity sensor for sensing a relative humidity value within said enclosure; and a further control device in operative communication with said third sensor to receive real-time humidity value signals and operatively controls one of: a humidifier device or said heating device for adjusting moisture content for air to a target value within said enclosure according to a sensed humidity level within said enclosure. 7. The corrosion measurement apparatus as in claim 3, wherein air flows within said Enclosure interior from said fan device at said first end to said second end of said structure, said temperature sensor located downstream from and behind said heating device such that air speed/volume and temperature is constant within the enclosure. 8. The corrosion measurement apparatus as in claim 7, wherein said heating device is located proximate to or attached to a back of said corrosion sensor device and adjusted to maintain said corrosion sensor device within said enclosure at constant temperature. 9. The corrosion measurement apparatus as in claim 5, wherein said corrosion sensor device is mounted on an interior surface of said enclosure between said first and second locations corresponding to said first and second tube extensions. 10. A method for real-time corrosion measurement in a corrosive atmospheric environment, said method comprising: providing a corrosion measurement apparatus having a structure forming an enclosure having a first end and a second end, said detection device further comprising: a corrosion sensor device located within said enclosure;a first sensor device located within said enclosure for determining a respective air flow value within said enclosure;a second sensor device located within said enclosure for determining an air temperature value within said enclosure;a third sensor device located within the enclosure for determining an air humidity value within said enclosure;a fan device located at the first end of said structure;a heating device located within said enclosure; anda control device operatively connected with said fan device and heating device for receiving real-time air flow and air temperature values, and air humidity value; and,generating, by said control device, responsive to said values, one or more control signals for modifying operation of one or more of said heating device or said fan device to achieve a target air temperature and a target uniform air flow within said enclosure; and,obtaining, via said corrosion sensor device, a corrosion rate measurement while said target air temperature and a target uniform air flow values are achieved within said enclosure. 11. The method as claimed in claim 10, wherein said control device is one of: a P-I-D (proportional-integral-derivative) feedback controller, an optimal controller; a model predictive controller; a robust control device or an adaptive control device. 12. The method as claimed in claim 10, wherein said first sensor device is one of: an air flow sensor or a differential air pressure sensor for determining an air flow measurement value within said enclosure; and said second sensor device is a temperature sensor for determining a temperature measurement value within said enclosure. 13. The method as claimed in claim 12, wherein said differential air pressure sensor operatively connects said enclosure between first and second locations for sensing an air pressure differential within said enclosure, said corrosion sensor device is mounted on an interior surface of said enclosure between said first and second locations. 14. The method as claimed in claim 10, wherein said third sensor device is a relative humidity sensor for determining the moisture content value within the enclosure, said method further comprising: providing a further control device in operative communication with said third sensor device;receiving, at said further control device, real-time humidity value signals; andcontrolling, by said further control device, one of: a humidifier device or said heating device for adjusting air moisture content within said enclosure to a target humidity value according to received humidity value signals. 15. The method as claimed in claim 14, further comprising: providing a plurality of said corrosion measurement apparatuses at one or a plurality of environments, each of said plurality of devices having a common condition of said target air flow, air humidity and target air temperature values within said enclosure at each said one or plurality of environments; and,obtaining a corrosion rate measurement using said corrosion sensor device of said corrosion measurement apparatus at each said one or plurality of environments when said common target air conditions are achieved at each said device. 16. A method for real-time corrosion detection in corrosive atmospheric environments, said method comprising: providing a plurality of real-time corrosion measurement apparatuses at one or more environments, each corrosion measurement apparatus comprising: a structure forming an enclosure having a first end and a second end;a corrosion sensor device mounted within said enclosure;a first sensor device located within said enclosure for determining a respective air flow value within said enclosure;a second sensor device located within said enclosure for determining an air temperature value within said enclosure;a third sensor device located within the enclosure for determining an air humidity value within said enclosure;a fan device located at a first end of said structure;a heating device located within said enclosure; and,a control device operatively connected with said fan device and heating device to receive real-time air flow and air temperature values, and air humidity value from said enclosure, and generate, responsive to said values, one or more control signals for modifying operation of one or more of said heating device or said fan device;providing, using said control signals at each respective measurement apparatus of said plurality of corrosion measurement apparatuses, a common condition of a target air flow and target air temperature values within said enclosure of each said corrosion measurement apparatus at each said one or more environments; and,obtaining, via said corrosion sensor device of each corrosion measurement apparatus, a corrosion rate measurement while said common condition is provided within said enclosure at each respective one or more environments. 17. The method as claimed in claim 16, wherein said one or more environments are at geographically disperse locations. 18. The method as claimed in claim 16, wherein said one or more environments are located in a single geographical location. 19. The method as claimed in claim 16, wherein said one or more environments includes an information technology data center. 20. The method as claimed in claim 16, wherein said first sensor device is one of: an air flow sensor or a differential air pressure sensor for determining an air flow measurement value within said enclosure; and said second sensor device is a temperature sensor for determining a temperature measurement value within said enclosure; and said third sensor device is a relative humidity sensor for determining the moisture content within said enclosure. 21. The method as claimed in claim 20, wherein said differential air pressure sensor operatively connects said enclosure between first and second locations for sensing an air pressure differential within said enclosure, said corrosion measurement apparatus is mounted on an interior surface of said enclosure between said first and second locations. 22. The method as claimed in claim 16, wherein each corrosion measurement apparatus further comprises: a further control device in operative communication with said third sensor device, wherein said providing a common condition within each said plurality of corrosion measurement apparatuses at each said one or more environments further comprises: receiving, at said further control device, real-time humidity value signals; andcontrolling, by said further control device, one of: a humidifier device or said heating device for adjusting air moisture content within said enclosure of each measurement apparatus to a target humidity value according to received humidity value signals,said corrosion rate measurement obtained at each detection device while at said target humidity value within said enclosure. 23. The method as claimed in claim 16, further including: setting a target air temperature value and a target uniform air flow value at each said corrosion measurement apparatus at each said one or more locations. 24. A computer program product for providing real-time corrosion measurement in corrosive atmospheric environments, the computer program product comprising a tangible, non-transitory, storage medium readable by a processing circuit and storing instructions run by the processing circuit for performing a method, wherein a plurality of real-time corrosion measurement apparatuses are located at one or more environments, each corrosion measurement apparatus comprising: a structure forming an enclosure having a first end and a second end;a corrosion sensor device mounted within said enclosure;a first sensor device located within said enclosure for determining a respective air flow value within said enclosure;a second sensor device located within said enclosure for determining an air temperature value within said enclosure;a third sensor device located within the enclosure for determining an air humidity value within said enclosure;a fan device located at a first end of said structure;a heating device located within said enclosure; and,a control device operatively connected with said fan device and heating device to receive real-time air flow and air temperature values, and air humidity value, and generate, responsive to said values, one or more control signals for modifying operation of one or more of said heating device or said fan device; and,said method comprising:providing, using said control signals at each respective measurement apparatus of said plurality of measurement apparatuses, a common condition of a target air flow and target air temperature values within said enclosure of each said measurement apparatus at each said one or more environments; and,obtaining, via said corrosion sensor device of each detection measurement apparatus, a corrosion rate measurement while said common conditions are provided within said enclosure at each respective one or more environments. 25. The computer program product as claimed in claim 24, wherein said first sensor device is one of: an air flow sensor or a differential air pressure sensor for determining an air flow measurement value within said enclosure; and said second sensor device is a temperature sensor for determining a temperature measurement value within said enclosure; and, said the third sensor device that is a relative humidity sensor for determining the moisture content within said enclosure 26. The computer program product as claimed in claim 24, wherein each corrosion measurement apparatus further comprises: a further control device in operative communication with said third sensor device, wherein said providing a common condition within each said plurality of corrosion measurement apparatuses at each said one or more environments further comprises: receiving, at said further control device, real-time humidity value signals; andcontrolling, by said further control device, one of: a humidifier device or said heating device for adjusting air moisture content within said enclosure of each measurement apparatus to a target humidity value according to received humidity value signals,said corrosion rate measurement obtained at each detection device while at said target humidity value within said enclosure. 27. The computer program product as claimed in claim 24, wherein the method further includes: setting a target air temperature value and a target uniform air flow value at each said device at each said one or more locations.
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이 특허에 인용된 특허 (9)
Falat Ladislav (College Park MD), Atmospheric corrosivity monitor.
Waterman David K. (Chino CA) Powell Steven W. (Houston TX) Sweetman Budd (Fontana CA) Maciejewski Walter J. (Newport Beach CA), Corrosion monitoring tool.
Dariavach, Nader G.; Liang, Jin; French, Francis William; Barr, Gordon O.; Callahan, Paul T., Method and system for air contamination analysis for free air cooled data centers.
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