CN116910073B - Monitoring and early warning system for stability of offshore wind power pile and offshore cable - Google Patents
Monitoring and early warning system for stability of offshore wind power pile and offshore cable Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000007405 data analysis Methods 0.000 claims abstract description 27
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000004458 analytical method Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000009991 scouring Methods 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 14
- 238000005260 corrosion Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 238000010187 selection method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 10
- 239000013535 sea water Substances 0.000 description 9
- 238000004891 communication Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
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Abstract
The invention discloses a monitoring and early warning system for the stability of an offshore wind power pile and a submarine cable, which relates to the technical field of early warning systems and comprises a first monitor, a second monitor and a third monitor, wherein the first monitor is used for monitoring the topography scouring information of the root of the offshore wind power pile and generating monitoring data; the second monitor is used for monitoring the submarine cable vibration signal and generating monitoring data; the remote processor is internally provided with a Beidou data receiving module, a monitoring data receiving module and a data analysis module; wherein: big data are subjected to positive and analysis through the Beidou data receiving module, an optimal index model formula I and an optimal index model formula II are selected, all data are analyzed based on the most effective index model, and as the data in the Beidou data receiving module are in a real-time updating state, the data analysis module is ensured to process the data all the time according to the current most accurate analysis mode, the data processing result can be more accurate, and the detection precision of the stability of the offshore wind power pile and the offshore cable is improved.
Description
Technical Field
The invention relates to the technical field of early warning systems, in particular to a monitoring and early warning system for the stability of an offshore wind power pile and a submarine cable.
Background
A large number of wind towers are deployed in the offshore wind farm and are often affected by typhoons, the typhoons drive seawater to move violently, soil near a pile foundation of the tower is taken away, pile foundation flushing depth reaches a plurality of meters in a typhoons process, pile foundation instability can be induced, in addition, after the pile foundation is flushed deeply, cables originally buried below sea mud can be exposed, running safety of the cables can be threatened by flushing of the seawater, therefore, the stability of the wind pile and the sea cable needs to be detected in real time, and warning is timely received when the stability reaches a safety lower limit, so that corresponding treatment is facilitated.
For example, patent document CN115017822B discloses an offshore wind pile foundation and sea cable integrated monitoring method, by reasonably planning a first installation position, prolonging the service life of a first exposed ultrasonic radar, selecting a position with the least influence on the operation of the first ultrasonic radar to install, ensuring the normal operation of the first ultrasonic radar, and mutually matching the first ultrasonic radar, the second ultrasonic radar, the optical fiber interferometer, the sea cable lateral displacement monitoring system and the data platform, so as to obtain dynamic data of the offshore wind pile foundation and sea cable state, and evaluate the safety performance of the dynamic data.
However, when the dynamic data is evaluated, the data platform in the method is analyzed through a fixed calculation mode, the data processing method is continuously updated along with the development of society, and when a more accurate data processing mode appears, unless a worker manually sets the data processing mode of the data platform to change, the data platform carries out data processing according to an original fixed mode, so that the precision of a data processing result cannot be updated along with the updating of the data processing mode, and the precision cannot be improved along with the updating of the data processing mode; meanwhile, the wind pile and the detection equipment mounted on the wind pile are easily damaged due to seawater erosion and marine organism adhesion.
Disclosure of Invention
The invention aims to provide a monitoring and early warning system for the stability of an offshore wind power pile and a submarine cable, which solves the following technical problems:
1. how to improve the detection precision of the stability of the offshore wind power pile and the offshore cable in real time.
2. How to prevent seawater erosion and marine organisms from adhering to wind piles and detection equipment.
The aim of the invention can be achieved by the following technical scheme:
A monitoring and early warning system for the stability of an offshore wind power pile and a submarine cable comprises:
the first monitor is used for monitoring the topography scouring information of the root of the wind power pile and generating monitoring data; the probe of the first monitor is an ultrasonic probe;
The second monitor is used for monitoring the submarine cable vibration signal and generating monitoring data;
The remote processor is electrically connected with the first monitor and the second monitor respectively; the remote processor is internally provided with a Beidou data receiving module, a monitoring data receiving module and a data analysis module; wherein:
The Beidou data receiving module updates Beidou data in real time, selects a group of optimal index model formulas I for calculating real-time warning thresholds and a group of optimal index model formulas II for calculating different risk values, transmits the optimal index model formulas I to the data analysis module, and simultaneously transmits the optimal index model formulas II to the monitoring data receiving module;
the monitoring data receiving module is in charge of receiving monitoring data generated by the first monitor and the second monitor and calculating various actual risk values of the wind power pile and the submarine cable according to an optimal index model formula II;
Substituting the design values of the wind power pile and the submarine cable into an optimal index model formula I by the data analysis module to calculate a real-time warning threshold value corresponding to each actual risk value; the data analysis module compares each actual risk value with a corresponding real-time warning threshold value, if the actual risk value exceeds the range of the real-time warning threshold value, the data analysis module automatically pushes the warning information, and if the actual risk value does not exceed the range of the real-time warning value, the data analysis module automatically stores the analysis data.
In a further aspect of the invention: the first monitors are uniformly distributed on the wall surface of the wind power pile in a movable circumferential direction, and the topography scouring data of the roots of the wind power piles with a plurality of vertical surfaces are obtained through inspection type measurement and cooperative working mechanisms to form topography data sequences.
In a further aspect of the invention: the topography scour data of the root of the wind power pile comprise detection distance data and wind power pile inclination data, and the monitor is further used for detecting various environmental parameters including salinity parameters, pressure parameters and temperature parameters and correcting the topography scour data according to the environmental parameters.
In a further aspect of the invention: the first monitor is characterized in that a lithium battery is used as a core power supply and is externally connected with a solar panel.
In a further aspect of the invention: and the second monitor adopts an optical fiber lateral displacement detection technology to detect the change of the submarine cable, and realizes the complete inversion of the impact profile of the outer boundary of the optical fiber by an impulse inversion method.
In a further aspect of the invention: the Beidou data receiving module comprises an original database, a professional database and a business database.
In a further aspect of the invention: the data of the original database is directly measured data without modification and calibration; the data of the professional database is professional data obtained by analyzing and reforming the original data; the data of the business database is relational data obtained by refining professional data.
In a further aspect of the invention: the selection method of the first optimal index model formula and the second optimal index model formula comprises the following steps: and selecting parameters corresponding to the actual measurement result data from the original database, selecting all formula models meeting the calculation requirements from the service database, substituting the corresponding parameters into the service database to calculate corresponding result values, comparing the result values with the actual measurement result data, and selecting a model formula corresponding to the result data with the smallest error, namely the optimal model formula.
In a further aspect of the invention: the outer surface of the wind electric pile is provided with an anti-corrosion coating, the outer surface of the anti-corrosion coating is provided with densely distributed bulges, and the center of each bulge is provided with a pointed shape.
In a further aspect of the invention: the outside of monitor one and monitor two is provided with the protective housing, and the protective housing surface is provided with the anticorrosion coating, and the surface of anticorrosion coating sets up a plurality of archs, and protruding center department sets up to the cusp form.
The invention has the beneficial effects that:
(1) According to the invention, big data are subjected to positive and analysis through the Beidou data receiving module, an optimal index model formula I and an optimal index model formula II are selected, each item of data is analyzed based on the most effective index model, and as the data in the Beidou data receiving module are in a real-time updating state, the selection of the optimal model formula is possibly changed accordingly, so that the data analysis module is ensured to process the data always according to the current most accurate analysis mode, the processing result of the data is more accurate, and the detection precision of the stability of the offshore wind power pile and the submarine cable is improved.
(2) Through set up anticorrosive coating on the casing of wind-powered electricity generation stake surface and monitor one and monitor two outsides to resist the corruption of sea water, on this basis, in order to prevent marine organism from adhering to, anticorrosive coating's surface sets up the arch of gathering, and protruding center department sets up to the cusp form, can prevent marine organism to be close to, and then forms the protection to wind-powered electricity generation stake.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a system diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention relates to a monitoring and early warning system for stability of an offshore wind pile and a submarine cable, which comprises a first monitor, a second monitor and a remote processor, wherein the first monitor and the second monitor are respectively and electrically connected with the remote processor; the monitor is used for monitoring the topography scouring information of the root of the wind power pile and generating monitoring data; the second monitor is used for monitoring the submarine cable vibration signal and generating monitoring data; the first monitor and the second monitor transmit the generated monitoring data to a remote processor for processing, and a Beidou data receiving module, a monitoring data receiving module and a data analysis module are built in the remote processor.
The Beidou data receiving module receives and updates Beidou data in real time, and comprises an original database, a professional database and a service database.
The original data of the original database is various data which are directly measured without modification and calibration, and includes actual measurement result data corresponding to different parameters, for example, for a wind power pile, when the size parameter of the wind power pile and the equipment detection parameter are different, the corresponding index data is obtained through actual measurement, and the actual measurement result data corresponding to the different parameters is stored in the original database.
The professional data of the professional database is various professional data obtained by analyzing and reforming the original data, for example, all relevant parameters in the original database and corresponding actual measurement result data are subjected to statistical analysis to obtain comprehensive results, and the results consider various conditions under different conditions, so that the data are more professional and reliable.
The business data of the business database is various relational data obtained by refining professional data, namely model relational expressions of different index data and related parameters.
The Beidou data receiving module selects a group of optimal index model formulas I for calculating various real-time warning thresholds and a group of optimal index model formulas II for calculating different risk values, and the selection method of the optimal index model formulas I and the optimal index model formulas II is as follows: selecting parameters corresponding to actual measurement result data from a professional database, selecting all formula models meeting calculation requirements from the professional database, substituting the corresponding parameters into the service database to calculate corresponding result values, comparing the result values with the actual measurement result data, and selecting a model formula corresponding to the result data with the smallest error, namely an optimal model formula; notably, because the data in the Beidou data receiving module is in a real-time update state, the selection of the optimal model formula can be changed along with the data, but it can be determined that the optimal model formula is the model formula with the highest precision; since the ocean is substantially signal-free, the Beidou data receiving module may be combined with 4/5G communication technology in order to ensure signal transmission.
And transmitting the first optimal index model formula to a data analysis module, and transmitting the second optimal index model formula to a monitoring data receiving module.
Substituting the design values of the wind power pile and the submarine cable into an optimal index model formula I by the data analysis module to calculate a real-time warning threshold value corresponding to each actual risk value; the monitoring data receiving module is in charge of receiving monitoring data generated by the first monitor and the second monitor and calculating various actual risk values of the wind power pile and the submarine cable according to an optimal index model formula II; the data analysis module compares each actual risk value with a corresponding real-time warning threshold value, if the actual risk value exceeds the range of the real-time warning threshold value, the data analysis module automatically pushes the warning information, and if the actual risk value does not exceed the range of the real-time warning value, the data analysis module automatically stores the analysis data.
Further, the probe of the first monitor is an ultrasonic probe, the first monitor is movably and uniformly circumferentially distributed on the wall surface of the wind power pile, and the topography scouring data of the roots of the wind power piles with a plurality of vertical surfaces are obtained through inspection type measurement and a cooperative working mechanism to form a topography data sequence; the topography scour data of the root of the wind power pile comprise detection distance data and wind power pile inclination data, and the monitor is further used for detecting various environmental parameters including salinity parameters, pressure parameters and temperature parameters and correcting the topography scour data according to the environmental parameters.
The first monitor adopts the ultrasonic detection principle, has the characteristics of high frequency, short wavelength, small diffraction phenomenon, good directivity, capability of being used as rays to directionally propagate, and the like, meanwhile, the penetrating power of ultrasonic waves to liquids and solids is very large, and particularly in opaque solids, the probe of the first monitor can penetrate the depth of tens of meters, and can emit ultrasonic beams based on a plurality of single-point ultrasonic waves, so that the monitoring range is wider.
The first monitor selects a lithium battery as a core power supply and is externally connected with a solar panel, the built-in lithium iron phosphate battery, the electric energy management and control unit and the remote measurement control unit are integrated, the problems of large volume, large weight and short service life of the lead-acid battery are overcome, the installation simplicity of equipment is improved, and the protection capability of the equipment is improved.
Further, the second monitor adopts an optical fiber lateral displacement detection technology to detect the change of the submarine cable, and realizes the complete inversion of the impact profile of the outer boundary of the optical fiber through an impulse inversion method, specifically, the light source capturing and gesture recognition algorithm is improved according to the characteristics of the vibration of the optical fiber under the sea mud damping and armor shielding, the optical fiber lateral displacement detection technology is developed, and the capturing of weak vibration signals is realized; in the optical fiber sensing system, the signal of the backward scattered light is very weak and is close to the threshold of the detector and even lower than the thermal noise of the photoelectric detector, the power noise of the amplifying circuit has great influence on the signal, and the design of the circuit, the arrangement of elements, the arrangement of a printed circuit board and the like are comprehensively planned based on a specific noise control technology.
Because wind pile lower extreme is arranged in the sea water, the sea water can lead to corrosion to wind pile for a long time, leads to the structural strength of wind pile to descend, and the structure is destroyed, and then causes wind pile position to produce the slope, and marine life easily adheres to at wind pile surface simultaneously, and then causes the anticorrosive coating of wind pile surface to be eroded and peeled off, and then leads to wind pile more easily damaged.
In order to prevent the wind power pile from being corroded by seawater and adhered by marine organisms, an anti-corrosion coating can be arranged on the outer surface of the wind power pile to resist the corrosion of the seawater, and on the basis, in order to prevent the adhesion of the marine organisms, the outer surface of the anti-corrosion coating is provided with densely distributed bulges, and the centers of the bulges are pointed and can prevent the marine organisms from approaching; meanwhile, the outer parts of the first monitor and the second monitor are provided with protective shells, the outer surfaces of the protective shells are also provided with anti-corrosion coatings, the outer surfaces of the anti-corrosion coatings are provided with a plurality of protrusions, and the centers of the protrusions are in a pointed shape.
The working principle of the invention is as follows:
The big dipper data receiving module performs positive and analysis on big data, selects an optimal index model formula I and an optimal index model formula II, transmits the optimal index model I to the data analysis module, records each design parameter of the wind power pile and the sea cable in the data analysis module, and substitutes each design parameter into the optimal index model I to obtain a real-time warning threshold value corresponding to each actual risk value; meanwhile, the optimal index model II is transmitted to a monitoring data analysis module, a monitoring data receiving module receives monitoring data generated by the monitor I and the monitor II, parameters in the monitoring data are substituted into an optimal index model formula II to calculate each actual risk value of the wind-powered electric pile and the sea cable, the actual risk values are transmitted to the data analysis module, the data analysis module compares each actual risk value with a corresponding real-time warning threshold value, if the actual risk value exceeds the range of the real-time warning threshold value, warning information is automatically pushed, and if the actual risk value does not exceed the range of the real-time warning value, analysis data is automatically stored; because the data in the Beidou data receiving module is in a real-time updating state, the selection of the optimal model formula can be changed accordingly, so that the data analysis module is ensured to process the data according to the current most accurate analysis mode all the time, the data processing result can be more accurate, and the detection precision of the stability of the offshore wind power pile and the offshore cable can be improved.
In the description of the present invention, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (1)
1. A monitoring and early warning system for the stability of an offshore wind power pile and a submarine cable is characterized by comprising:
the first monitor is used for monitoring the topography scouring information of the root of the wind power pile and generating monitoring data; the probe of the first monitor is an ultrasonic probe;
The second monitor is used for monitoring the submarine cable vibration signal and generating monitoring data;
The remote processor is electrically connected with the first monitor and the second monitor respectively; the remote processor is internally provided with a Beidou data receiving module, a monitoring data receiving module and a data analysis module; wherein:
The Beidou data receiving module updates Beidou data in real time, selects a group of optimal index model formulas I for calculating real-time warning thresholds and a group of optimal index model formulas II for calculating different risk values, transmits the optimal index model formulas I to the data analysis module, and simultaneously transmits the optimal index model formulas II to the monitoring data receiving module;
the monitoring data receiving module is in charge of receiving monitoring data generated by the first monitor and the second monitor and calculating various actual risk values of the wind power pile and the submarine cable according to an optimal index model formula II;
Substituting the design values of the wind power pile and the submarine cable into an optimal index model formula I by the data analysis module to calculate a real-time warning threshold value corresponding to each actual risk value; the data analysis module compares each actual risk value with a corresponding real-time warning threshold value, if the actual risk value exceeds the range of the real-time warning threshold value, the data analysis module automatically pushes warning information, and if the actual risk value does not exceed the range of the real-time warning value, the data analysis module automatically stores analysis data;
The outer surface of the wind electric pile is provided with an anti-corrosion coating, the outer surface of the anti-corrosion coating is provided with a plurality of bulges, and the centers of the bulges are pointed;
The outer parts of the first monitor and the second monitor are provided with protective shells, the outer surfaces of the protective shells are provided with anti-corrosion coatings, the outer surfaces of the anti-corrosion coatings are provided with a plurality of protrusions, and the centers of the protrusions are in a pointed shape;
The first monitors are uniformly distributed on the wall surface of the wind power pile in a movable circumferential direction, and the topography scouring data of the roots of the wind power piles with a plurality of vertical surfaces are obtained through inspection type measurement and a cooperative working mechanism to form topography data sequences;
The topography scouring data of the root of the wind electric pile comprises detection distance data and wind electric pile inclination data, and the monitor is also used for detecting various environmental parameters including salinity parameters, pressure parameters and temperature parameters and correcting the topography scouring data according to the environmental parameters;
the first monitor is characterized in that a lithium battery is used as a core power supply and is externally connected with a solar panel;
The second monitor adopts an optical fiber lateral displacement detection technology to detect sea cable change, and realizes complete inversion of the optical fiber outer boundary impact profile through an impulse inversion method;
The Beidou data receiving module comprises an original database, a professional database and a business database;
The data of the original database is directly measured data without modification and calibration; the data of the professional database is professional data obtained by analyzing and reforming the original data; the data of the business database is relational data obtained by refining professional data;
The selection method of the first optimal index model formula and the second optimal index model formula comprises the following steps: and selecting parameters corresponding to the actual measurement result data from the original database, selecting all formula models meeting the calculation requirements from the service database, substituting the corresponding parameters into the service database to calculate corresponding result values, comparing the result values with the actual measurement result data, and selecting a model formula corresponding to the result data with the smallest error, namely the optimal model formula.
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