CN213091108U - Deflection monitoring system for semi-submersible floating fan foundation - Google Patents
Deflection monitoring system for semi-submersible floating fan foundation Download PDFInfo
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- CN213091108U CN213091108U CN202021458511.5U CN202021458511U CN213091108U CN 213091108 U CN213091108 U CN 213091108U CN 202021458511 U CN202021458511 U CN 202021458511U CN 213091108 U CN213091108 U CN 213091108U
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Abstract
The utility model discloses a deflection monitoring system for a semi-submersible floating fan foundation, which comprises a plurality of deflection detecting unit groups, wherein the number of the deflection detecting unit groups is the same as that of connecting beams of the semi-submersible floating fan foundation, and one deflection detecting unit group is correspondingly arranged in one connecting beam; each deflection detection unit group comprises a plurality of deflection detection units which are sequentially arranged along the extension direction of the connecting beam, two adjacent deflection detection units are connected through a communicating pipe, and the pressure sensor of each deflection detection unit is used for measuring the liquid pressure change in the measuring pipe of each deflection detection unit so as to monitor the deflection deformation of the foundation of the semi-submersible floating fan. The utility model discloses a float fan foundation to semi-submerged formula and carry out the monitoring that the amount of deflection warp, effectively guaranteed the structural security, the reliability that the fan foundation was floated to semi-submerged formula.
Description
Technical Field
The utility model belongs to the technical field of float formula wind turbine generator system's technique and specifically relates to indicate a amount of deflection monitoring system that is used for floating fan foundation of semi-submerged formula.
Background
At present, floating wind power is researched and implemented in the wind power industry, and still belongs to the initial development stage, wherein a floating foundation is one of the research focuses. The main stream of floating foundation in industry design is semi-submersible type, and the design and manufacturing application of the semi-submersible type floating foundation in the prior art is basically blank. The semi-submersible floating fan foundation is generally provided with a slender connecting beam with the length of about 100 meters, when the semi-submersible floating fan foundation is subjected to environmental storm flow and the load of a fan, the floating type foundation can generate deflection deformation, and the power generation load of the fan needs to be controlled by effectively monitoring the deflection deformation so as to ensure the structural safety of the floating type fan foundation. Meanwhile, through long-term deflection monitoring, the structural strength and fatigue can be analyzed through data acquisition, and therefore the design of the floating type fan foundation is optimized. Therefore, the deflection monitoring device plays a positive role in carrying out deflection monitoring on the semi-submersible type floating fan foundation emerging in the industry, namely, the deflection monitoring from the structural safety and the development of the semi-submersible type floating fan foundation industry in the future.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a deflection monitoring system for a semi-submersible floating fan foundation, which monitors deflection deformation of the semi-submersible floating fan foundation and further controls the power generation load of a fan so as to ensure the structural safety and reliability of the semi-submersible floating fan foundation; meanwhile, the structural strength and fatigue of the semi-submersible floating fan foundation are analyzed through long-term deflection deformation monitoring and the collected data, so that the design of the semi-submersible floating fan foundation is optimized.
In order to achieve the above object, the present invention provides a technical solution: a deflection monitoring system for a semi-submersible floating fan foundation comprises a plurality of deflection detection unit groups, wherein the number of the deflection detection unit groups is the same as that of connecting beams of the semi-submersible floating fan foundation, and one deflection detection unit group is correspondingly arranged in one connecting beam; each deflection detection unit group comprises a plurality of deflection detection units which are sequentially arranged along the extension direction of the connecting beam, two adjacent deflection detection units are connected through a communicating pipe, and the pressure sensor of each deflection detection unit is used for measuring the liquid pressure change in the measuring pipe of each deflection detection unit so as to monitor the deflection deformation of the foundation of the semi-submersible floating fan.
Further, the deflection detecting unit comprises a measuring pipe and a pressure sensor, the measuring pipe is vertically installed in the connecting beam and filled with liquid, the pressure of the liquid changes along with the deflection deformation of the semi-submersible floating fan foundation, the pressure sensor is connected with the measuring pipe, the pressure change of the liquid in the measuring pipe is measured by the pressure sensor, and the two measuring pipes of the two adjacent deflection detecting units are connected through a communicating pipe.
Further, the bottom of the measuring tube is welded on the inner wall of the connecting beam.
Further, the liquid is an antifreezing antirust liquid.
Furthermore, the communicating pipe is formed by sequentially connecting a plurality of sections of communicating small pipes.
Furthermore, a corrugated pipe is connected between two adjacent small communication pipes.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
1. the utility model can monitor the deflection deformation of the semi-submersible floating fan foundation effectively, so as to control the power generation load of the fan, thereby ensuring the structural safety of the semi-submersible floating fan foundation; meanwhile, the structural strength and fatigue of the semi-submersible floating fan foundation are analyzed through long-term deflection monitoring and the acquired data, so that the design of the semi-submersible floating fan foundation is optimized, the semi-submersible floating fan foundation has better advantages in economy and performance, and has a positive effect on future industrial development.
2. The utility model discloses a to measure the amount of deflection monitoring system of liquid pressure change on creating new-type application to the semi-submerged formula and floating the fan basis, can also float the flexible design that the fan basis carries out the amount of deflection detecting system to the semi-submerged formula of difference simultaneously, carry out pressure test through the liquid to in a plurality of measuring tubes and come the analysis amount of deflection, be fit for large-scale semi-submerged formula and float fan basis long distance amount of deflection measurement, and this amount of deflection monitoring system's monitoring mode is fairly simple, overcome semi-submerged formula and floated fan basis unmanned on duty, the problem of difficult fortune dimension.
Drawings
Fig. 1 is a front view of the deflection monitoring system of the present invention arranged on the basis of a semi-submersible type floating fan.
Fig. 2 is the top view of the deflection monitoring system of the present invention arranged on the basis of the semi-submersible type floating wind turbine.
Fig. 3 is a schematic structural diagram of the deflection detecting unit group of the present invention.
Fig. 4 is a schematic structural diagram of the deflection detecting unit of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1 to 3, in the deflection monitoring system for a semi-submersible floating fan foundation according to the present embodiment, the semi-submersible floating fan foundation includes 3 semi-submersible floating bodies 1, the 3 semi-submersible floating bodies 1 are arranged in a regular triangle and used for fixing a floating fan 2, and every two adjacent semi-submersible floating bodies 1 are connected by a hollow connecting beam 3; the deflection detection system 4 comprises a plurality of deflection detection unit groups, the number of the deflection detection unit groups is the same as that of the connecting beams 3, and one deflection detection unit group is correspondingly arranged in one connecting beam 3; each deflection detection unit group comprises a plurality of deflection detection units which are sequentially arranged along the extension direction of the connecting beam 3, two adjacent deflection detection units are connected through a communicating pipe, the communicating pipe is formed by sequentially connecting a plurality of sections of small communicating pipes 501, a corrugated pipe 502 is connected between the two adjacent small communicating pipes 501, and the small communicating pipes 501 are rigid pipes and can be used for deformation compensation of the small communicating pipes 501 through the corrugated pipes 502.
As shown in fig. 4, the deflection detecting unit includes a measuring pipe 401 and a pressure sensor 402, the measuring pipe 401 is vertically installed in the connecting beam 3, the bottom of the measuring pipe 401 is welded on the inner wall of the connecting beam 3, an anti-freezing and anti-rust liquid is injected in the measuring pipe 401, the fluctuation and bubbles of the liquid level can be reduced by adopting the high-concentration anti-freezing and anti-rust liquid, the monitoring result is more accurate, the pressure of the anti-freezing and anti-rust liquid changes along with the deflection deformation of the semi-submersible floating fan foundation, the pressure sensor 402 is connected with the measuring pipe 401, and the two measuring pipes 401 of two adjacent deflection detecting units are connected through a communicating; when the structures at different positions of the semi-submersible floating fan foundation deform, the liquid level of the anti-freezing and anti-rust liquid in the measuring pipe 401 slightly changes, the liquid pressure correspondingly changes, the deflection change of each position is calculated and analyzed by measuring the liquid pressure change of different monitoring points through the pressure sensor 402, and the deflection deformation of the semi-submersible floating fan foundation is monitored.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a amount of deflection monitoring system for semi-submerged formula floats fan foundation which characterized in that: the deflection detection unit groups are the same as the connecting beams of the semi-submersible floating fan foundation in number, and one deflection detection unit group is correspondingly arranged in one connecting beam; each deflection detection unit group comprises a plurality of deflection detection units which are sequentially arranged along the extension direction of the connecting beam, two adjacent deflection detection units are connected through a communicating pipe, and the pressure sensor of each deflection detection unit is used for measuring the liquid pressure change in the measuring pipe of each deflection detection unit so as to monitor the deflection deformation of the foundation of the semi-submersible floating fan.
2. The deflection monitoring system for a semi-submersible floating fan foundation of claim 1, wherein: the deflection detection unit comprises a measuring pipe and a pressure sensor, the measuring pipe is vertically installed in a connecting beam and filled with liquid, the pressure of the liquid changes along with the deflection deformation of the semi-submersible floating fan foundation, the pressure sensor is connected with the measuring pipe, the pressure change of the liquid in the measuring pipe is measured by the pressure sensor, and two measuring pipes of two adjacent deflection detection units are connected through a communicating pipe.
3. The deflection monitoring system for a semi-submersible floating wind turbine foundation of claim 2, wherein: the bottom of the measuring tube is welded on the inner wall of the connecting beam.
4. The deflection monitoring system for a semi-submersible floating wind turbine foundation of claim 2, wherein: the liquid is an antifreezing antirust liquid.
5. The deflection monitoring system for a semi-submersible floating fan foundation of claim 1, wherein: the communicating pipe is formed by sequentially connecting a plurality of sections of communicating small pipes.
6. The deflection monitoring system for a semi-submersible floating wind turbine foundation of claim 5, wherein: a corrugated pipe is connected between two adjacent small communication pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021458511.5U CN213091108U (en) | 2020-07-22 | 2020-07-22 | Deflection monitoring system for semi-submersible floating fan foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021458511.5U CN213091108U (en) | 2020-07-22 | 2020-07-22 | Deflection monitoring system for semi-submersible floating fan foundation |
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| CN213091108U true CN213091108U (en) | 2021-04-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654748A (en) * | 2021-10-19 | 2021-11-16 | 山东润龙轴承有限公司 | Hang basket structure amount of deflection monitoring facilities |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654748A (en) * | 2021-10-19 | 2021-11-16 | 山东润龙轴承有限公司 | Hang basket structure amount of deflection monitoring facilities |
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