CN212083675U - Floating type laser radar wind measurement buoy contrast verification test field - Google Patents
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Abstract
The utility model provides a floating laser radar anemometry buoy contrast verification test field, includes marine fixed anemometry tower, is equipped with a plurality of wind speed wind direction sensors on the marine fixed anemometry tower, and a plurality of wind speed wind direction sensors divide the multilayer from top to bottom to arrange on marine fixed anemometry tower, and every wind speed wind direction sensor has formed a anemometry contrast verification height layer. The utility model discloses can accomplish experimental floating laser radar anemometry buoy system device marine contrast verification under actual marine environment comprehensively reliably, can once experimental five high-level layer anemometry data's of three anemometry sources mutual contrast of accomplishing simultaneously to can develop floating laser radar anemometry buoy's anemometry sensitivity test and analysis effectively, reliable high efficiency, operation convenient operation in whole experimental farm.
Description
Technical Field
The utility model belongs to the technical field of floating laser radar anemometry buoy is experimental, in particular to floating laser radar anemometry buoy contrast verification test field.
Background
With the gradual development of offshore wind power to deep and offshore sea areas in China, the disadvantages of the traditional fixed offshore wind measuring tower technology in aspects of investment cost economy, offshore construction difficulty, timeliness for quickly realizing wind measurement and the like are more and more obvious, so that a buoy type wind measuring scheme based on the laser radar technology gradually becomes the focus of research and attention of people.
In recent years, the research on floating type laser radar wind measuring buoys in China has been greatly developed, and a plurality of system solutions and test prototypes appear, but the floating type laser radar wind measuring buoys serving as new products and new technologies need to be strictly verified and tested before being approved by the domestic market, and a perfect and standard third-party offshore test field is important, however, the two aspects are in blank stages.
Disclosure of Invention
In view of the technical problem that the background art exists, the utility model provides a floating laser radar anemometry buoy contrast verification test field can provide a perfect marine test and verify the field for floating laser radar anemometry buoy's verification test, carries out systematic marine contrast verification and test to this new product new technology effectively, objectively to its reliability of anemometry, the accuracy is experimental evaluation, with feasibility and the commercialization process that promotes floating laser radar anemometry buoy technique, and promote the marketization development.
In order to solve the technical problem, the utility model discloses following technical scheme has been taken and has been realized:
the utility model provides a floating laser radar anemometry buoy contrast verification test field, includes marine fixed anemometry tower, is equipped with a plurality of wind speed wind direction sensors on the marine fixed anemometry tower, and a plurality of wind speed wind direction sensors divide the multilayer from top to bottom to arrange on marine fixed anemometry tower, and every wind speed wind direction sensor has formed a anemometry contrast verification height layer.
In the preferred scheme, a wind measuring tower platform is arranged on the offshore fixed wind measuring tower and used for installing test equipment; the mounting height of the anemometer tower platform is lower than that of the wind speed and direction sensor at the lowest layer.
In a preferred scheme, the test equipment comprises a temporary living cabin, a UPS power system, a data processing module, an information communication module and a radar installation platform; the temporary living cabin is used for providing temporary emergency life and shielding a working area for the testing personnel; the UPS system is used for providing power for the electric equipment; the data processing module is used for collecting, processing and storing anemometry, image and state data from the offshore fixed anemometer tower; the information communication module is used for transmitting the data from the data processing module; and the radar mounting platform is used for mounting a fixed laser radar.
In the preferred scheme, the radar mounting platform is used for arranging one corner of the wind direction on the wind measuring tower platform, protrudes out to be circularly arranged, and keeps an interference safety distance with the offshore fixed wind measuring tower in the vertical direction, and the interference safety distance ensures that the laser contour line of the fixed laser radar is not shielded and influenced by the offshore fixed wind measuring tower.
In the preferred scheme, a wave flow velocity and tide level instrument is arranged beside the offshore fixed anemometer tower and is arranged on the sea bottom for collecting wave, flow velocity and tide level parameters of the sea area; the device is used for placing a floating type laser radar wind measuring buoy needing to be tested at the upwind position of the wave flow velocity tide level meter.
In the preferred scheme, a panoramic camera is arranged on the offshore fixed anemometer tower and positioned above the anemometer tower platform, and the panoramic camera is used for presenting the image of the whole test field in a panoramic way; the wind speed and direction sensor is fixed with the offshore fixed anemometer tower through a sensor support, and the sensor support is arranged horizontally.
This patent can reach following beneficial effect:
1. the function that this test site realized provides an objective fair and actual marine verification place for floating laser radar wind measurement technology commercial application, through the application in real sea area, can effectually verify the wholeness ability of various floating laser radar wind measurement system devices, and objective test and aassessment its reliability, accuracy and sensitivity hold up for the marketization application of the novel wind measurement technology of marine wind power, promote its development simultaneously.
2. The test field device realizes the operation of the whole test field based on the established and used marine fixed anemometer tower, can effectively realize the maximization of the additional function of the existing resources, effectively reduces the investment cost of the test field construction, embodies the aspect that the existing marine fixed anemometer tower device can be used in multiple functions, and greatly saves the overall investment cost of the society.
3. This test field adopts "fixed anemometer tower on the sea, fixed lidar and floating lidar anemometer buoy contrast simultaneously with the contrast verification under the environment simultaneously in the process of the test", can effectively realize two liang of contrasts each other between three kinds of anemometer devices, floating lidar anemometer buoy as the verification object can have simultaneously with the experimental contrast data who comes from two anemometer sources of fixed anemometer tower on the sea and fixed lidar, can effectively guarantee the high reliability and the availability of test result, ensure experimental objectivity and authenticity.
4. This test field sets up five anemometry contrast verification height layers for marine fixed anemometry tower, fixed lidar and floating lidar anemometry buoy can obtain 5 times's observation data simultaneously, and the contrast data volume of verifying the floating lidar anemometry buoy of object is increased manyfold, increases contrast test's dimension, further strengthens the high reliability and the usability of test result, ensures experimental objectivity and authenticity.
5. The test field is provided with a wave flow velocity and tide level instrument to collect the marine hydrological data of the sea area of the test field in real time, so that the environment of the marine test field is further transparent.
Drawings
The invention will be further explained with reference to the following figures and examples:
FIG. 1 is the overall schematic view of the comparison and verification test field of the floating type laser radar wind measuring buoy of the utility model;
FIG. 2 is a top view of the comparison and verification test field of the floating type lidar wind measuring buoy of the utility model;
FIG. 3 is a diagram of a floating lidar wind measuring buoy;
fig. 4 is the utility model discloses floating laser radar anemometry buoy contrast verification test field test method flow chart.
In the figure: 1 is: a marine fixed anemometer tower; 2 is as follows: a anemometer tower platform; 3 is as follows: a anemometer tower; 4 is as follows: a anemometer tower foundation; 5 is as follows: a stationary laser radar; 6 is as follows: a radar mounting platform; 7 is as follows: a photoelectric composite cable; 8 is as follows: a UPS power supply system; 9 is as follows: a data processing module; 10 is as follows: an information communication module; 11 is as follows: a temporary living cabin; 12 is as follows: a sensor holder; 13 is as follows: a wind speed and direction sensor; 14 is as follows: wind measurement comparison verification height layer one; 15 is as follows: wind measurement comparison verification height layer two; 16 is as follows: wind measurement comparison verification height layer three; 17 is as follows: a height layer four is verified by wind measurement contrast; 18 is as follows: a fifth height layer is verified by wind measurement comparison; 19 is as follows: a panoramic camera; 20 is as follows: floating type laser radar wind measuring buoys; 21 floating laser radar; 22 is: mooring anchor chains; 23 is as follows: an anchor; 24 is as follows: a water line surface; 25 is as follows: a subsea mud surface; 26 is: laser profile, 27 is: wave velocity of flow tide level meter.
Detailed Description
The preferable scheme is as shown in fig. 1 to 4, the floating type laser radar wind measurement buoy comparison verification test field comprises a marine fixed wind measurement tower 1, a plurality of wind speed and direction sensors 13 are arranged on the marine fixed wind measurement tower 1, the plurality of wind speed and direction sensors 13 are arranged on the marine fixed wind measurement tower 1 in a multi-layer mode from top to bottom, and each wind speed and direction sensor 13 forms a wind measurement comparison verification height layer.
The offshore fixed anemometer tower 1 comprises an anemometer tower foundation 4, an anemometer tower platform 2 and an anemometer tower frame 3; the wind measuring tower foundation 4 plays a role of foundation support for a support foundation of the offshore fixed wind measuring tower 1, the wind measuring tower platform 2 plays a role of providing a space for a working platform of the offshore fixed wind measuring tower 1, the wind measuring tower 3 plays a role of mounting a sensor support 12 to carry a wind speed and direction sensor 13, and the sensor support 12 is connected to the structure of the wind measuring tower 3 and horizontally extends out for a sufficient distance outwards so as to reduce the influence of a tower shadow effect on wind measurement of the wind speed and direction sensor 13;
the number of the wind speed and direction sensors 13 is 5, and correspondingly, the number of the layers of the wind measurement comparison verification height layers is 5, namely a wind measurement comparison verification height layer I14, a wind measurement comparison verification height layer II 15, a wind measurement comparison verification height layer III 16, a wind measurement comparison verification height layer IV 17 and a wind measurement comparison verification height layer V18;
preferably, the wind speed and direction sensor 13 is a high-precision calibrated mechanical wind measuring sensor, and is used for accurately measuring wind speed and wind direction data of five height layers in total, namely a first wind measuring comparison verification height layer 14, a second wind measuring comparison verification height layer 15, a third wind measuring comparison verification height layer 16, a fourth wind measuring comparison verification height layer 17 and a fifth wind measuring comparison verification height layer 18, wherein the altitude heights of the five height layers from low to high can be selected from 50 meters, 70 meters, 80 meters, 90 meters and 100 meters, the panoramic camera 19 is mounted on the wind measuring tower 3, and the altitude height is about 35 meters, so that the panoramic camera is used for presenting the whole test field image in a panoramic way and plays a role in safety monitoring;
further, a wind measuring tower platform 2 is arranged on the offshore fixed wind measuring tower 1, and the wind measuring tower platform 2 is used for installing test equipment; the mounting height of the anemometer tower platform 2 is lower than that of the wind speed and direction sensor 13 at the lowest layer.
Furthermore, the device for the test comprises a temporary living cabin 11, a UPS power system 8, a data processing module 9, an information communication module 10 and a radar mounting platform 6; the temporary living cabin 11 is used for providing temporary emergency life and shielding a working area for the test personnel, and is used for ensuring the emergency life and temporary office work of the working personnel; the UPS power system 8 is used for providing power for electric equipment, and the UPS power system 8 provides electric energy for the whole offshore fixed anemometer tower, so that an instrument and equipment can work normally; the data processing module 9 is used for collecting, processing and storing anemometry, image and state data from the offshore fixed anemometer tower 1; the information communication module 10 is used for transmitting the data from the data processing module 9; and the radar mounting platform 6 is used for mounting the fixed laser radar 5.
Further, radar mounting platform 6 is used for arranging the one corner of wind direction on anemometry tower platform 2, stretches the protrusion to be circular arrangement, and keeps having the safe distance of interference with marine fixed anemometry tower 1 in the vertical direction, the safe distance of interference ensure that fixed laser radar 5's laser profile line is not sheltered from and is influenced by marine fixed anemometry tower 1.
Further, a wave flow velocity and tide level instrument 27 is arranged beside the offshore fixed anemometer tower 1, and the wave flow velocity and tide level instrument 27 is arranged on the sea bottom and used for collecting wave, flow velocity and tide level parameters of the sea area; the floating type laser radar wind measuring buoy 20 to be tested is placed at the upwind position of the wave flow velocity and tide level instrument 27.
The utility model discloses well floating laser radar anemometry buoy 20 is the verification object in marine contrast verification test field, lays the upwind position at marine fixed anemometry tower 1 to keep sufficient safe distance, generally be greater than 500 meters. The floating type laser radar wind measurement buoy 20 mainly comprises a floating type laser radar 21, a buoy body, a mooring anchor chain 22 and an anchor 23, wherein the floating type laser radar 23 is carried on the buoy body, and the floating type laser radar wind measurement buoy 20 is positioned on the sea through an anchor system, so that the floating type laser radar wind measurement buoy is floated on a sea water surface 24, and the anchor 23 is anchored below a seabed mud surface 25.
The utility model discloses a middle fixed laser radar 5 is one of the comparison objects of the sea comparison verification test field, is arranged on the radar mounting platform 6 of the sea fixed anemometer tower platform 1, and is connected with the UPS power system 8 through the photoelectric composite cable 7 to realize power supply; preferably, stationary lidar 5 and floating lidar 21 may be the same type of lidar, but require higher accuracy and reliability of stationary lidar 5.
The wave flow velocity and tide level meter 27 of the utility model is sea area environment observation sensor equipment of a sea contrast verification test field, is arranged in the mooring range close to the floating type laser radar anemometer buoy 20 in the vertical direction of the sea bottom, and is used for integrally collecting the wave, flow velocity and tide level parameters corresponding to the sea area; preferably, the wave flow rate and tide level meter 27 is preferably an acoustic Doppler wave flow rate and tide level integrated sensor.
Further, a panoramic camera 19 is arranged on the offshore fixed anemometer tower 1, the panoramic camera 19 is positioned above the anemometer tower platform 2, and the panoramic camera 19 is used for presenting the whole test field image in a panoramic way; the wind speed and direction sensor 13 is fixed with the offshore fixed anemometer tower 1 through a sensor support 12, and the sensor support 12 is horizontally arranged.
The utility model discloses in, floating laser radar anemometry buoy contrast verification test field's test method, including following step:
s1: preparing before testing;
selecting a part of sea area with the offshore fixed anemometer tower 1 as the center as a test area, wherein the radius of the test area is r, and generally, the r is 1.5-3.0 Km;
installing a temporary living cabin 11, installing a panoramic camera 19, additionally constructing a radar installation platform 6 at one corner of the anemometer tower platform 2, installing a fixed laser radar 5, and simultaneously completing debugging and operation of all equipment on the marine fixed anemometer tower 1 in a unified manner;
installing a wave flow velocity and tide level meter 27 at the seabed mud surface 25 at the appointed coordinate position of the test area, and completing debugging work; and finishing the preparation work of the test field and the device, and building the test field.
S2: laying and debugging a test buoy;
firstly, onshore debugging of the whole system of the floating type laser radar wind measuring buoy 20 is completed, calibration work of the floating type laser radar wind measuring buoy 20 corresponding to laser radar equipment is completed, and offshore debugging of the floating type laser radar wind measuring buoy 20 is completed;
the method specifically comprises the following steps: the staff firstly completes the manufacture and onshore debugging of the whole system of the floating type laser radar wind measuring buoy 20, and simultaneously completes the calibration work of the corresponding wind measuring laser radar, the floating type laser radar wind measuring buoy 20 is transported to the sea area of the test field in an onshore and offshore combined transportation mode, and the arrangement and positioning of the buoy serving as the verification object at the appointed coordinate position of the sea area of the test field can be completed through a tug or a professional buoy arranging ship, and the offshore debugging of the floating type laser radar wind measuring buoy 20 is completed. And finishing the laying and debugging of the test buoy.
S3: testing a field meter;
before the formal start of the marine comparison verification test, the alignment work of the marine fixed anemometer tower 1, the fixed laser radar 5, the floating laser radar anemometer buoy 20, the wave velocity and tide level instrument 27 and the panoramic camera 19 is finished uniformly, and the unification of various data observation on time is ensured, wherein the time comprises Beijing time or GPS time;
s4: comparing, verifying and testing and collecting and sorting data;
after the unified meter alignment of the test field is finished, the test field enters a formal sea comparison verification test stage, the sea fixed anemometer tower 1, the fixed laser radar 5 and the floating laser radar anemometer buoy 20 realize the sea anemometer comparison of the same place and the same environment at the same time, and the panoramic camera 19 can record and present the panoramic image of the whole test field in real time and monitor the physical state of each device of the test field;
the test period is divided into a plurality of period standards, the continuity of each period standard needs to be emphasized, when the machine halt or system fault in the test process cannot ensure that the offshore fixed anemometer tower 1, the fixed laser radar 5 and the floating laser radar anemometer buoy 20 can simultaneously observe the same place, the step S2 is repeated after the test is restarted, and the time is accumulated again;
s5: processing and analyzing test data;
after a period of test is completed, classifying and analyzing various data on the basis of data collection and arrangement, wherein the data analysis comprises data analysis on three aspects of reliability and accuracy of wind measurement of the floating type laser radar wind measurement buoy 20 as a verification object and sensitivity to marine environment variables;
s6: and (5) finishing the test and issuing a test report.
Further, in step S4, the test period is divided into the following four period criteria:
a. short-term test, time period T1;
b. middle test, time period T2;
c. long-term test, time period T3;
d. commercial acceptance test, time period T4;
said T1 < T2< T3< T4;
in the process of carrying out contrast verification test, uniformly collecting and arranging a plurality of wind measuring contrast verification height layer wind speed and wind direction, floating type laser radar wind measurement buoy 20 fault and maintenance condition and wave flow speed and tide level data, wherein the wind speed and wind direction data values are uniformly TnThe average wind speed and the wind direction value are obtained, and the availability of the original data and the data after post-processing and filtering are carried out on the wind speed and wind direction data from three wind measuring sources of a marine fixed wind measuring tower 1, a fixed laser radar 5 and a floating laser radar wind measuring buoy 20 and a plurality of wind measuring comparison verification height layers, so that the integrity and the availability of the data are ensured.
Further, in step S4, T1 < three months for one month; t2 is more than or equal to three months and less than six months; t3 is less than twelve months and is less than or equal to six months; t4 is more than or equal to twelve months, and the time unit of "month" (to be distinguished from calendar month) takes 30 days as a unit; t isnTaking for 10 minutes;
when the number of the height layers is 5, in the process of carrying out a comparison verification test, the unified collection and arrangement of the wind speed and wind direction of the five height layers, the fault and maintenance condition of the floating type laser radar wind measurement buoy 20 and wave flow speed and tide level data are synchronously carried out, wherein the wind speed and wind direction data values uniformly take the average wind speed and wind direction values of 10 minutes, and the available rate of the original data and the data after post-processing filtration is carried out on the three wind measurement sources from the offshore fixed wind measurement tower 1, the fixed type laser radar 5 and the floating type laser radar wind measurement buoy 20 and the five wind speed and wind direction data of the height layers, so that the integrity and the availability of the data are ensured.
In step S5, the data analysis of the reliability, accuracy and sensitivity to the marine environment variables of the floating lidar wind buoy 20 for wind measurement is divided into the following steps:
s5.1: and (3) reliability:
A. availability of anemometric data
a) The availability of the wind measuring data of the lunar system is taken as the average value of 30 days;
b) the availability of the wind measuring data of the system in the full test observation period;
c) the availability of the wind measuring data after monthly processing is taken as the average value of 30 days;
d) processing the availability of the wind measurement data after the full test observation period;
the post-processed wind measuring data is wind measuring data filtered by error data determined by a data processing system;
B. the floating laser radar wind measurement buoy 20 has the key index reliability:
a, the unplanned shutdown times of the floating type laser radar wind measuring buoy 20 in the test period;
b, maintaining times of the floating type laser radar wind measuring buoy 20 in the test period;
c, the failure times of the floating type laser radar wind measuring buoy 20 in the test period;
d, the normal operation time of the floating type laser radar wind measuring buoy 20 communication system in the test period;
s5.2: the accuracy aspect is as follows:
the wind measurement data of the verification object floating type laser radar wind measurement buoy 20 in the test period are respectively compared with the wind measurement data of the offshore fixed wind measurement tower 1 and the fixed type laser radar 5 pairwise, linear regression fitting of the wind measurement data of a plurality of wind measurement verification height layers in the same time period is carried out, a linear regression equation and a judgment coefficient R value are simultaneously calculated, the wind speed value is required to carry out y = bx linear fitting, the wind direction value carries out y = bx + c linear fitting, wherein x is the wind speed and direction value measured by the floating type laser radar wind measurement buoy 20, y is the wind speed and direction value measured by the offshore fixed type wind measurement tower 1 or the fixed type laser radar 5, b is the slope, and c is the intercept; wherein the test period is Tn；
A. Mean wind speed linear regression fitting:
a) slope b after linear regression fittingsi(i =1.2.3.4.5 representing the slope value of anemometric contrast verification level one 14, the slope value of anemometric contrast verification level two 15, the slope value of anemometric contrast verification level three 16, the slope value of anemometric contrast verification level four 17 and the slope value of anemometric contrast verification level five 18, respectively); wherein i represents the number of wind measurement contrast verification height layers;
b) determination coefficient R after linear regression fittingsi(i =1.2.3.4.5, representing the determination coefficient of the first height layer 14, the second height layer 15, the third height layer 16, the fourth 17 and the fifth 18 respectively, s is the wind speed code)
B. Mean wind direction linear regression fitting:
a) slope b after linear regression fittingdi(ii) a (i =1.2.3.4.5 representing the slope value of wind measurement contrast verification level one 14, the slope value of wind measurement contrast verification level two 15, the slope value of wind measurement contrast verification level three 16, the slope value of wind measurement contrast verification level four 17 and the slope value of wind measurement contrast verification level five 18, respectively, and d is the wind direction code)
b) Determination coefficient R after linear regression fittingdi(ii) a (i =1.2.3.4.5, representing the determination coefficient of the first height layer 14, the second height layer 15, the third height layer 16, the fourth 17 and the fifth 18 respectively, and d is the wind direction code)
c) Average deviation value of average wind direction, unit is degree;
s5.3: sensitivity to marine environmental variables of the sea area:
A. sensitivity of the average wind speed and direction value observed by the floating laser radar wind measurement buoy 20 to the sea level;
B. the sensitivity of the average wind speed and direction value observed by the floating laser radar wind measurement buoy 20 to waves;
C. the sensitivity of the average wind speed and direction values observed by the floating lidar wind sensing buoy 20 to the flow velocity.
Claims (6)
1. The utility model provides a floating laser radar anemometry buoy contrast verification test field, includes marine fixed anemometry tower (1), its characterized in that: a plurality of wind speed and direction sensors (13) are arranged on the offshore fixed anemometer tower (1), the plurality of wind speed and direction sensors (13) are arranged on the offshore fixed anemometer tower (1) in a multi-layer mode from top to bottom, and each wind speed and direction sensor (13) forms a wind measurement comparison verification height layer.
2. The floating lidar anemometer buoy contrast verification test field of claim 1, wherein: the offshore fixed anemometer tower (1) is provided with an anemometer tower platform (2), and the anemometer tower platform (2) is used for installing test equipment; the mounting height of the anemometer tower platform (2) is lower than that of the wind speed and direction sensor (13) at the lowest layer.
3. The floating lidar anemometer buoy contrast verification test field of claim 2, wherein: the device for the test comprises a temporary living cabin (11), a UPS power system (8), a data processing module (9), an information communication module (10) and a radar installation platform (6); the temporary living cabin (11) is used for providing temporary emergency life and shielding a working area for the test personnel; the UPS power system (8) is used for providing power for the electric equipment; the data processing module (9) is used for collecting, processing and storing anemometry, image and state data from the offshore fixed anemometer tower (1); the information communication module (10) is used for transmitting the data from the data processing module (9) for sorting; and the radar mounting platform (6) is used for mounting a fixed laser radar (5).
4. The floating lidar anemometer buoy contrast verification test field of claim 3, wherein: radar mounting platform (6) are used for arranging the one corner of wind direction on anemometry tower platform (2), stretch the protrusion and be circular and arrange, and keep having interference safe distance with marine fixed anemometry tower (1) on the vertical direction, interference safe distance ensure that the laser profile line of fixed laser radar (5) is not sheltered from and is influenced by marine fixed anemometry tower (1).
5. The floating lidar anemometer buoy contrast verification test field of claim 1, wherein: a wave flow velocity and tide level instrument (27) is arranged beside the offshore fixed anemometer tower (1), and the wave flow velocity and tide level instrument (27) is arranged on the sea bottom and used for collecting wave, flow velocity and tide level parameters of a sea area; the device is used for placing a floating type laser radar wind measuring buoy (20) to be tested at the upwind position of the wave flow velocity and tide level instrument (27).
6. The floating lidar anemometer buoy contrast verification test field of claim 2, wherein: a panoramic camera (19) is arranged on the offshore fixed anemometer tower (1), the panoramic camera (19) is positioned above the anemometer tower platform (2), and the panoramic camera (19) is used for presenting the image of the whole test field in a panoramic way; the wind speed and direction sensor (13) is fixed with the offshore fixed anemometer tower (1) through a sensor support (12), and the sensor support (12) is arranged horizontally.
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