CN105222740A - A kind of method of multisensor combined measurement ice thickness - Google Patents
A kind of method of multisensor combined measurement ice thickness Download PDFInfo
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- CN105222740A CN105222740A CN201510615565.5A CN201510615565A CN105222740A CN 105222740 A CN105222740 A CN 105222740A CN 201510615565 A CN201510615565 A CN 201510615565A CN 105222740 A CN105222740 A CN 105222740A
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Abstract
A kind of method of multisensor combined measurement ice thickness belongs to detection technique, described method comprises: be based upon different temperatures, wind speed, the ice thickness formed under illumination condition and fibre-optical freezing sensor detect the database of relation between electrical signal intensity, utilize temperature, wind speed and optical sensor are to the temperature of real time environment, wind speed and illumination are carried out detection and are judged, when environment reaches ice-formation condition, utilize fibre-optical freezing sensor detection by the varying strength electric signal of ice sheet light beam, by temperature, wind speed and optical sensor detect data, determine basic ice type, transmittance is estimated, by temperature, wind speed and photometric data search the single-valued function curve of corresponding ice thickness and electric signal in a database, by method of interpolation determination ice thickness, this method measuring process simple and convenient, measuring accuracy is high, can detect the ice sheet of various state and composition, applied widely.
Description
Technical field
The invention belongs to detection technique field, relate generally to a kind of method of multisensor combined measurement ice thickness.
Background technology
At present, proposed multiple quantitative detection aircraft, power transmission line, wind energy conversion system, tower bar and other body surfaces and to have frozen the method for thickness, common method has: infrared blocked method, camera method, capacitance method and electric-resistivity method, resonance method.When wherein infrared blocked method and camera method have a vibration on measured object surface, measuring accuracy reduces; Capacitance method and electric-resistivity method comparatively responsive to the state and composition of ice, measuring error is comparatively large, and resonance method needs solenoid or piezoelectric ceramics as exciting source, complex structure.
Summary of the invention
Object of the present invention is exactly for above-mentioned prior art Problems existing, and research provides a kind of method of multisensor combined measurement ice thickness, reaches measuring method simple and convenient, measuring accuracy is high, the ability that is suitable for is strong object.
The object of the present invention is achieved like this: a kind of method of multisensor combined measurement ice thickness, and described method is:
1. the ice layer thickness formed under, being based upon different temperatures, different wind speed, different illumination conditions by icing tunnel experiment and fibre-optical freezing sensor detect the database backup of relation between electrical signal intensity;
2., utilize temperature sensor, air velocity transducer, optical sensor to carry out detection to the temperature of real time environment, wind speed and illumination to judge, determine that external environment condition reaches ice-formation condition;
3., when external environment condition reaches ice-formation condition, the light beam utilizing fibre-optical freezing sensor luminescent device to produce reaches probe end face along fibre-optical freezing sensor launching fiber bundle, in ice sheet after transmitting, scattering, absorption, part light beam enters into through probe end face and accepts in fibre bundle, and circuit forms the electric signal of varying strength after testing;
4., the data that utilize temperature sensor, air velocity transducer and optical sensor to detect, determine the basic ice type formed under this environmental baseline, and its transmittance estimated;
5., by the environment temperature of 4. middle detection, ambient wind velocity and ambient lighting data and the single-valued function curve searching corresponding ice thickness and electric signal in the database 1. set up, by method of interpolation determination ice thickness.
Measuring process simple and convenient of the present invention, measures ice thickness precision of freezing high, can carry out Thickness sensitivity to the ice sheet of various state and composition, applied widely.
Embodiment
Below embodiment of the present invention is described in detail.A method for multisensor combined measurement ice thickness, described method is:
1. the ice layer thickness formed under, being based upon different temperatures, different wind speed, different illumination conditions by icing tunnel experiment and fibre-optical freezing sensor detect the database backup of relation between electrical signal intensity;
2., utilize temperature sensor, air velocity transducer, optical sensor to carry out detection to the temperature of real time environment, wind speed and illumination to judge, determine that external environment condition reaches ice-formation condition;
3., when external environment condition reaches ice-formation condition, the light beam utilizing fibre-optical freezing sensor luminescent device to produce reaches probe end face along fibre-optical freezing sensor launching fiber bundle, in ice sheet after transmitting, scattering, absorption, part light beam enters into through probe end face and accepts in fibre bundle, and circuit forms the electric signal of varying strength after testing;
4., the data that utilize temperature sensor, air velocity transducer and optical sensor to detect, determine the basic ice type formed under this environmental baseline, and its transmittance estimated;
5., by the environment temperature of 4. middle detection, ambient wind velocity and ambient lighting data and the single-valued function curve searching corresponding ice thickness and electric signal in the database 1. set up, by method of interpolation determination ice thickness.
Claims (1)
1. a method for multisensor combined measurement ice thickness, is characterized in that: described method is:
1. the ice layer thickness formed under, being based upon different temperatures, different wind speed, different illumination conditions by icing tunnel experiment and fibre-optical freezing sensor detect the database backup of relation between electrical signal intensity;
2., utilize temperature sensor, air velocity transducer, optical sensor to carry out detection to the temperature of real time environment, wind speed and illumination to judge, determine that external environment condition reaches ice-formation condition;
3., when external environment condition reaches ice-formation condition, the light beam utilizing fibre-optical freezing sensor luminescent device to produce reaches probe end face along fibre-optical freezing sensor launching fiber bundle, in ice sheet after transmitting, scattering, absorption, part light beam enters into through probe end face and accepts in fibre bundle, and circuit forms the electric signal of varying strength after testing;
4., the data that utilize temperature sensor, air velocity transducer and optical sensor to detect, determine the basic ice type formed under this environmental baseline, and its transmittance estimated;
5., by the environment temperature of 4. middle detection, ambient wind velocity and ambient lighting data and the single-valued function curve searching corresponding ice thickness and electric signal in the database 1. set up, by method of interpolation determination ice thickness.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105737745A (en) * | 2016-02-05 | 2016-07-06 | 国网浙江省电力公司杭州供电公司 | Power transmission line icing detection system |
| CN106248340A (en) * | 2016-07-08 | 2016-12-21 | 西南科技大学 | A kind of wind tunnel model 3D ice shape On-line Measuring Method based on 3-D supersonic imaging technology |
| CN109780986A (en) * | 2017-11-15 | 2019-05-21 | 武汉市瑞莱斯特科技有限公司 | A kind of method and apparatus measuring solidifying ice rate |
| CN111323200A (en) * | 2020-05-11 | 2020-06-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing area calculation method for icing wind tunnel test |
| CN112197721A (en) * | 2020-12-07 | 2021-01-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Water film thickness measuring method |
| CN115248022A (en) * | 2022-09-22 | 2022-10-28 | 四川大学 | Icing thickness detection method for power transmission line |
| CN115585753A (en) * | 2022-12-13 | 2023-01-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Optical fiber type icing sensor and method for identifying external appearance of ice |
| CN116105614A (en) * | 2023-04-10 | 2023-05-12 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for detecting ice thickness based on optical fiber icing sensor, sensor and medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737745A (en) * | 2016-02-05 | 2016-07-06 | 国网浙江省电力公司杭州供电公司 | Power transmission line icing detection system |
| CN106248340A (en) * | 2016-07-08 | 2016-12-21 | 西南科技大学 | A kind of wind tunnel model 3D ice shape On-line Measuring Method based on 3-D supersonic imaging technology |
| CN106248340B (en) * | 2016-07-08 | 2019-01-18 | 西南科技大学 | A kind of wind tunnel model 3D ice shape On-line Measuring Method based on 3-D supersonic imaging technology |
| CN109780986A (en) * | 2017-11-15 | 2019-05-21 | 武汉市瑞莱斯特科技有限公司 | A kind of method and apparatus measuring solidifying ice rate |
| CN111323200A (en) * | 2020-05-11 | 2020-06-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing area calculation method for icing wind tunnel test |
| CN112197721A (en) * | 2020-12-07 | 2021-01-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Water film thickness measuring method |
| CN115248022A (en) * | 2022-09-22 | 2022-10-28 | 四川大学 | Icing thickness detection method for power transmission line |
| CN115585753A (en) * | 2022-12-13 | 2023-01-10 | 中国空气动力研究与发展中心低速空气动力研究所 | Optical fiber type icing sensor and method for identifying external appearance of ice |
| CN116105614A (en) * | 2023-04-10 | 2023-05-12 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for detecting ice thickness based on optical fiber icing sensor, sensor and medium |
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