Laser-based supercooled large drop icing condition detection system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-021/00
B64D-015/20
출원번호
US-0421360
(2012-03-15)
등록번호
US-9013332
(2015-04-21)
발명자
/ 주소
Meis, Charles Steven
출원인 / 주소
The Boeing Company
대리인 / 주소
Yee & Associates, P.C.
인용정보
피인용 횟수 :
4인용 특허 :
7
초록▼
A method and apparatus for detecting icing conditions. An icing condition detection system comprises a number of sensors and an icing condition detector. The number of sensors is located in a number of locations on an aircraft. A sensor in the number of sensors is configured to emit electromagnetic
A method and apparatus for detecting icing conditions. An icing condition detection system comprises a number of sensors and an icing condition detector. The number of sensors is located in a number of locations on an aircraft. A sensor in the number of sensors is configured to emit electromagnetic radiation into drops of water in an environment around the aircraft. The sensor in the number of sensors is configured to detect responses to the electromagnetic radiation. The sensor in the number of sensors is configured to generate data from the responses. The icing condition detector is configured to monitor for the data from the number of sensors. The icing condition detector is further configured to detect a presence of a number of types of icing conditions for the aircraft using the data from the number of sensors.
대표청구항▼
1. An icing condition detection system comprising: a number of sensors located in a number of locations on an aircraft, wherein each sensor in the number of sensors is configured to emit electromagnetic radiation into drops of water in an environment around the aircraft and not on a surface of the a
1. An icing condition detection system comprising: a number of sensors located in a number of locations on an aircraft, wherein each sensor in the number of sensors is configured to emit electromagnetic radiation into drops of water in an environment around the aircraft and not on a surface of the aircraft,detect responses to the electromagnetic radiation emitted into the drops of water in the environment around the aircraft, andgenerate data from the responses including a size of the drops of water in the environment around the aircraft,the number of sensors positioned such that at least one sensor is positioned on a first side of a fuselage of the aircraft and a second sensor is positioned on an opposite side of the fuselage of the aircraft;wherein the one sensor and the second sensor: are each flush mounted being substantially flush with a surface of the aircraft and each having a shape that substantially conforms to a curvature of the surface of the aircraft,are at or above a horizontal center line of a fuselage of the aircraft to avoid and reduce exposure to runway debris when the aircraft taxis on a runway, andare fitted in the surface of the fuselage of the aircraft;a number of temperature sensors associated with the aircraft configured to detect a temperature in the environment around the aircraft; andan icing condition detector configured to monitor for the data from the number of sensors and the number of temperature sensors anddetect a presence of a number of types of icing conditions for the aircraft using the data from the number of sensors and the number of temperature sensors,wherein the icing condition detector uses the data from the number of sensors and the number of temperature sensors to identify a number of sizes for the drops of water in the environment around the aircraft and identifies the number of types of icing conditions using the number of sizes for the drops of water in the environment around the aircraft, andthe number of sensors and the number of temperature sensors are further configured to detect drops of super cooled liquid water in the environment around the aircraft. 2. The icing condition detection system of claim 1, wherein the number of locations is selected from one of a fuselage, an airfoil, a wing, a horizontal stabilizer, a vertical stabilizer, and an engine housing. 3. The icing condition detection system of claim 1, wherein the number of sensors is a number of laser sensors. 4. The icing condition detection system of claim 1, wherein the electromagnetic radiation is coherent light caused by coherent light passing through drops of water present in a cloud through which the aircraft is flying. 5. The icing condition detection system of claim 1, wherein the aircraft is selected from one of a commercial aircraft, a military aircraft, an airplane, and a helicopter. 6. The icing condition detection system of claim 1, wherein the number of locations includes a first engine housing of a first engine of the aircraft, a second engine housing of a second engine of the aircraft, a first wing of the aircraft, a second wing of the aircraft, a first horizontal stabilizer of the aircraft, a second horizontal stabilizer of the aircraft, and a vertical stabilizer of the aircraft. 7. The icing condition detection system of claim 1, wherein the number of types of icing conditions comprises a first type of icing condition and a second type of icing condition. 8. The icing condition detection system of claim 7, wherein the first type of icing condition is caused by first drops having a first number of sizes from about 0.00465 millimeters in diameter to about 0.111 millimeters in diameter and the second type of icing condition is caused by second drops having a second number of sizes from about 0.112 millimeters in diameter to about 2.2 millimeters in diameter. 9. The icing condition detection system of claim 7, wherein the second type of icing condition is a supercooled large drop type of icing condition. 10. The icing condition detection system of claim 7, wherein the icing condition detector is further configured to perform an action in response to data indicating a presence of at least one of the first type of icing condition and the second type of icing condition. 11. The icing condition detection system of claim 10, wherein the action is selected from at least one of generating an alert, generating a log entry, activating an anti-icing system, and sending a report. 12. A method for detecting icing conditions, the method comprising: monitoring a number of sensors located in a number of locations on a surface of an aircraft for data generated from responses to electromagnetic radiation emitted from each of the number of sensors on the surface of the aircraft into drops of water present in the environment around the aircraft and not on a surface of the aircraft including a size of the drops of water present in the environment around the aircraft, the number of sensors positioned such that at least one sensor is positioned on a first side of a fuselage of the aircraft and a second sensor is positioned on an opposite side of the fuselage of the aircraft, wherein the one sensor and the second sensor are each flush mounted being substantially flush with a surface of the aircraft and each has a shape that substantially conforms to a curvature of the surface of the aircraft, are at or above a horizontal center line of a fuselage of the aircraft to avoid and reduce exposure to runway debris when the aircraft taxis on a runway, and are fitted in the surface of the fuselage of the aircraft;monitoring a number of temperature sensors associated with the aircraft configured to detect a temperature in the environment around the aircraft;monitoring, by an icing condition detector, for the data from the number of sensors and the number of temperature sensors;detecting, by the icing condition detector, a presence of a number of types of icing conditions for the aircraft using the data from the number of sensors and the number of temperature sensors; anddetermining, by the icing condition detector, whether the number of types of icing conditions are present using the data from the number of sensors and the number of temperature sensors, the data including a number of sizes for the drops of water present in the environment around the aircraft, the number of sensors and the number of temperature sensors further configured to detect drops of super cooled liquid water in the environment around the aircraft. 13. The method of claim 12, wherein monitoring the number of sensors on the surface of the aircraft for the data generated from the responses to the electromagnetic radiation emitted from each of the number of sensors on the surface of the aircraft into the drops of water present in the environment around the aircraft comprises: monitoring the number of sensors on the surface of the aircraft for first data indicative of a first type of icing condition and for second data indicative of a second type of icing condition generated from the responses to the electromagnetic radiation emitted from each of the number of sensors on the surface of the aircraft into the drops of water present in the environment around the aircraft; wherein determining whether the number of types of icing conditions is present using the data from the number of sensors and the number of temperature sensors includes determining whether at least one of the first type of icing condition from the first data and the second type of icing condition from the second data is present. 14. The method of claim 12, wherein monitoring the number of sensors on the surface of the aircraft for the data generated from the responses to the electromagnetic radiation emitted from each of the number of sensors on the surface of the aircraft into the drops of water present in the environment around the aircraft comprises: monitoring a number of laser sensors on the surface of the aircraft for data generated from responses to the electromagnetic radiation emitted from each of the number of laser sensors on the surface of the aircraft into the drops of water present in the environment around the aircraft. 15. The method of claim 12, wherein monitoring the number of sensors on the surface of the aircraft for the data generated from the responses to the electromagnetic radiation emitted from each of the number of sensors on the surface of the aircraft into the drops of water present in the environment around the aircraft comprises: selecting the number of locations on the surface of the aircraft, wherein the number of locations is selected from one of a fuselage, an airfoil, a wing, a horizontal stabilizer, a vertical stabilizer, and an engine housing. 16. The method of claim 12, wherein determining whether the number of types of icing conditions is present using the data from the number of sensors and the number of temperature sensors comprises: determining whether a supercooled large drop type of icing condition in the number of types of icing conditions is present using the data from the number of sensors and the number of temperature sensors. 17. The method of claim 12 further comprising: initiating an action in response to detecting the number of types of icing conditions from the data. 18. The method of claim 17, wherein initiating the action in response to detecting the number of types of icing conditions from the data comprises: selecting the action, wherein the action is selected from at least one of generating an alert, generating a log entry, activating an anti-icing system, and sending a report.
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이 특허에 인용된 특허 (7)
Pope, John; Buttry, Daniel; Toews, Arthur R., Detection of aircraft icing.
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