CN214944743U - Offshore wind turbine load test data acquisition system - Google Patents
Offshore wind turbine load test data acquisition system Download PDFInfo
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- CN214944743U CN214944743U CN202121409033.3U CN202121409033U CN214944743U CN 214944743 U CN214944743 U CN 214944743U CN 202121409033 U CN202121409033 U CN 202121409033U CN 214944743 U CN214944743 U CN 214944743U
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Abstract
The utility model discloses an offshore wind turbine load test data acquisition system, which comprises a wind measuring device, a wave measuring device, a current measuring device, a strain gauge sensor, a data acquisition device, an industrial personal computer and a wireless communication module; the wind measuring equipment, the wave measuring equipment, the current measuring equipment and the strain gauge sensor are respectively connected with a data acquisition unit, and each data acquisition unit is connected with the industrial personal computer; the industrial personal computer is connected with the wireless communication module, and the wireless communication module is used for sending out data of the industrial personal computer in a wireless transmission mode. Besides wind, waves and currents are used as factors influencing the load of the fan, so that the load borne by the fan can be obtained more accurately.
Description
Technical Field
The utility model belongs to the technical field of load test, concretely relates to offshore wind turbine generator system load test data acquisition system.
Background
The load calculation of the wind turbine generator is an important link of design, and the load calculation result is the input condition of the design of the components of the wind turbine generator and is related to the safety and the reliability of the wind turbine generator. However, load calculation cannot completely represent the actual operation condition of the wind turbine, in the actual operation, the problems caused by the load of most components are more and more, and the problems of blade breakage, transmission chain abrasion and the like are all the results caused by the load, so that the importance of timely grasping the load size and distribution condition of the wind turbine on the service life safety of the wind turbine is achieved.
The acquisition of the load size and the distribution condition of the wind turbine generator needs to be obtained through some data, and in actual operation, data needs to be acquired manually, so that the method is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an offshore wind turbine load test data acquisition system, among the prior art has been solved, the loaded down with trivial details problem of artifical data acquisition.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a load test data acquisition system for an offshore wind turbine comprises wind measuring equipment, wave measuring equipment, current measuring equipment, a strain gauge sensor, a data acquisition unit, an industrial personal computer and a wireless communication module;
the wind measuring equipment, the wave measuring equipment, the current measuring equipment and the strain gauge sensor are respectively connected with a data acquisition unit, and each data acquisition unit is connected with the industrial personal computer.
Furthermore, the plurality of strain gauge sensors are respectively arranged at the blade root, the blade leaf, the main shaft, the top of the tower cylinder, the middle of the tower cylinder, the bottom of the tower cylinder, the top of the foundation, the middle of the foundation and the bottom of the foundation of the wind generating set.
Further, the data measured by the wind measuring equipment comprises: meteorological data at the position of the main wind direction which is far from the 2D-4D wind turbine hub height of the wind turbine; the data measured by the wave measuring equipment comprise wave data of 100-200 meters around the foundation of the wind turbine generator; the data measured by the current measuring equipment comprise ocean current data of 100-200 meters around the foundation of the wind turbine generator.
Further, the meteorological data comprise wind speed, wind direction, temperature, humidity and air pressure; the wave data comprises wave height, wave direction and period; the ocean current data includes flow velocity and flow direction.
Further, the strain gauge sensor continuously collects at a 50HZ sampling rate; the wind measuring equipment, the wave measuring equipment and the flow measuring equipment are continuously collected at a sampling rate of 1HZ or above.
Further, the main wind direction is a sector with the largest wind energy ratio not exceeding 45 degrees selected based on the annual wind energy rose diagram.
Furthermore, the wind measuring equipment is a wind measuring tower or a laser radar.
Furthermore, the wave measuring equipment is an acoustic Doppler wave meter.
Furthermore, the flow measuring equipment is an acoustic Doppler flow velocity profiler.
Furthermore, the industrial personal computer is connected with the wireless communication module, and the wireless communication module is used for sending out data of the industrial personal computer in a wireless transmission mode.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the embodiment of the utility model provides an offshore wind turbine load test data acquisition system through the equipment of testing the wind, survey unrestrained equipment, current surveying equipment and foil gage sensor data collection, sends into the industrial computer through data collection station, and the industrial computer sends out data through wireless communication module, convenient and fast, and the data accuracy of collection is high.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is the utility model discloses an embodiment marine wind turbine generator system load test data acquisition system schematic structure.
Wherein: 1, a wind generating set; 2 a strain gage sensor; 3 wave measuring equipment; 4 flow measuring equipment; 5, wind measuring equipment; 6, a data acquisition unit; 7, an industrial personal computer; 8 wireless communication module.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
The embodiment of the utility model provides an offshore wind turbine load test data acquisition system compares in current load test device and method, considers the influence of factors such as unrestrained, stream, is favorable to optimizing offshore wind turbine design and operation more.
As shown in fig. 1, the offshore wind turbine load test data acquisition system includes a wind measuring device 5 (including but not limited to a wind measuring tower, a laser radar, etc.), a wave measuring device 3 (including but not limited to an acoustic doppler wave meter), a flow measuring device 4 (including but not limited to an acoustic doppler flow profiler), a strain gauge sensor 2, a data acquisition unit 6, an industrial personal computer 7, and a wireless communication module 8.
The data measured by the wind measuring equipment 5 comprise meteorological data at the height position from the 2D-4D wind turbine generator hub to the upwind direction of the main wind, wherein the meteorological data comprise wind speed, wind direction, temperature, humidity and air pressure, and in the embodiment, the main wind direction is a sector with the largest wind energy ratio and not more than 45 degrees selected based on an annual wind energy rose diagram; the data measured by the wave measuring equipment 3 comprise wave data of 100-200 meters around the wind turbine foundation, and the wave data comprise wave height, wave direction and period; the data measured by the current measuring equipment 4 comprise ocean current data of 100-200 meters around the wind turbine foundation, and the ocean current data comprise flow speed and flow direction.
The wind turbine generator system 1 includes: the blade root, the leaf, the main shaft, tower section of thick bamboo top, tower section of thick bamboo middle part, tower section of thick bamboo bottom, basic top, basic middle part and basic bottom. The strain gauge sensors 2 are arranged at the positions of a blade root, a blade leaf, a main shaft, the top of a tower barrel, the middle of the tower barrel, the bottom of the tower barrel, the top of a foundation, the middle of the foundation, the bottom of the foundation and the like of the wind generating set 1.
The wind measuring equipment 5, the wave measuring equipment 3, the current measuring equipment 4 and the strain gauge sensors 2 at different positions are respectively connected with a data acquisition unit 6, each data acquisition unit 6 is connected with an industrial personal computer 7, and the time reference is based on the industrial personal computer 7. The industrial personal computer 7 is connected with the wireless communication module 8, and the wireless communication module 8 sends out data of the industrial personal computer 7 in a wireless transmission mode.
The strain gauge sensor 2 continuously collects the strain gauge data at a sampling rate of 50 HZ; the wind measuring equipment 5, the wave measuring equipment 3 and the flow measuring equipment 4 are all continuously collected at a sampling rate of 1HZ or above.
The principle of the offshore wind turbine load test data acquisition system provided by the embodiment is as follows:
the wind measuring equipment 5, the wave measuring equipment 3, the current measuring equipment 4 and the strain gauge sensors 2 at different positions obtain meteorological data, wave data, ocean current data and stress data, and the data acquisition period is at least 1 whole year. The method comprises the following steps of eliminating meteorological data, wave data, ocean current data and stress data of a wind generating set 1, a laser radar, an acoustic Doppler wave meter, an acoustic Doppler current profiler and a strain gauge sensor 2 which are abnormally operated and wind directions in a non-main wind direction time period; the industrial personal computer 7 is sent into through the data acquisition unit 6, and the industrial personal computer 7 sends out data through the wireless communication module 8, convenient and fast, and the data accuracy of collection is high.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. A load test data acquisition system of an offshore wind turbine is characterized by comprising wind measuring equipment (5), wave measuring equipment (3), current measuring equipment (4), a strain gauge sensor (2), a data acquisition unit (6), an industrial personal computer (7) and a wireless communication module (8);
the wind measuring equipment (5), the wave measuring equipment (3), the current measuring equipment (4) and the strain gauge sensor (2) are respectively connected with a data acquisition unit (6), and each data acquisition unit (6) is connected with an industrial personal computer (7).
2. The offshore wind turbine load test data acquisition system according to claim 1, wherein a plurality of said strain gauge sensors (2) are arranged at a blade root, a blade, a main shaft, a tower top, a tower middle, a tower bottom, a foundation top, a foundation middle and a foundation bottom of the wind turbine (1), respectively.
3. Offshore wind turbine load test data collection system according to claim 1, characterized in that the data measured by the wind measuring device (5) comprises: meteorological data at the height position of the 2D-4D wind turbine generator hub of the wind turbine generator set (1) from the upwind direction of the main wind; the data measured by the wave measuring equipment (3) comprise wave data of 100-200 meters around the foundation of the wind generating set (1); the data measured by the current measuring equipment (4) comprise ocean current data of 100-200 meters around the foundation of the wind generating set (1).
4. The offshore wind turbine load test data collection system of claim 3, wherein the meteorological data comprises wind speed, wind direction, temperature, humidity, and air pressure; the wave data comprises wave height, wave direction and period; the ocean current data includes flow velocity and flow direction.
5. Offshore wind turbine load test data acquisition system according to claim 1, characterized in that the strain gage sensors (2) are continuously acquired at a 50HZ sampling rate; the wind measuring equipment (5), the wave measuring equipment (3) and the flow measuring equipment (4) are continuously collected at a sampling rate of 1HZ or above.
6. The offshore wind turbine load test data collection system of claim 3, wherein the prevailing wind direction is the sector with the largest wind energy ratio and no more than 45 ° selected based on the annual wind rose diagram.
7. Offshore wind turbine load test data acquisition system according to claim 1, characterized in that the wind measuring equipment (5) is selected from a wind tower or a lidar.
8. Offshore wind turbine load test data acquisition system according to claim 1, characterized in that the wave measuring device (3) is an acoustic doppler wave meter.
9. Offshore wind turbine load test data acquisition system according to claim 1, characterized in that the flow measurement device (4) is selected from an acoustic doppler flow profiler.
10. The offshore wind turbine load test data acquisition system according to claim 1, wherein the industrial personal computer (7) is connected with the wireless communication module (8), and the wireless communication module (8) is used for sending out data of the industrial personal computer (7) in a wireless transmission mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409033.3U CN214944743U (en) | 2021-06-23 | 2021-06-23 | Offshore wind turbine load test data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121409033.3U CN214944743U (en) | 2021-06-23 | 2021-06-23 | Offshore wind turbine load test data acquisition system |
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| Publication Number | Publication Date |
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| CN214944743U true CN214944743U (en) | 2021-11-30 |
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| CN202121409033.3U Active CN214944743U (en) | 2021-06-23 | 2021-06-23 | Offshore wind turbine load test data acquisition system |
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| CN (1) | CN214944743U (en) |
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2021
- 2021-06-23 CN CN202121409033.3U patent/CN214944743U/en active Active
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