CN219672773U - Wave energy floating type offshore wind turbine foundation type - Google Patents
Wave energy floating type offshore wind turbine foundation type Download PDFInfo
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- CN219672773U CN219672773U CN202320776671.1U CN202320776671U CN219672773U CN 219672773 U CN219672773 U CN 219672773U CN 202320776671 U CN202320776671 U CN 202320776671U CN 219672773 U CN219672773 U CN 219672773U
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- 238000007667 floating Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000010248 power generation Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
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Abstract
The utility model discloses a wave energy floating type offshore wind turbine foundation type, and relates to the technical field of offshore wind turbine foundations. The utility model mainly comprises a floating body, a central shaft tube, a connecting rod piece, a steel frame, a power generation device, an anchor chain, a tension leg structure and the like. The bottom of the central shaft tube is provided with the tension leg structure, and the floating body basically only performs heave motion around the central shaft tube under the action of waves and water flow, so that horizontal motion is not generated, the overturning effect of the waves and the water flow on the fan foundation is reduced, and the overall stability of the fan foundation is improved. Meanwhile, the oscillating water column type power generation device is arranged in the central shaft tube, wave energy power generation is added on the basis of original wind energy power generation, the power generation efficiency of the fan foundation is improved, and the overall benefit is increased.
Description
Technical Field
The utility model relates to the technical field of offshore wind turbine foundations, in particular to a wave energy floating type offshore wind turbine foundation type.
Background
The current floating foundation of the offshore wind turbine mainly comprises a column type, a semi-submersible type, a tension leg type and a barge type. The column type platform has a simple structure, and the gravity center design of the type platform is far lower than a floating center; when the platform is inclined, a restoring couple is formed between the gravity center and the floating center, so that the inclined movement of the platform can be resisted, but the water depth is required to be large, and the working water depth is required to be larger than 100m. The semi-submersible type water depth range is wider, the semi-submersible type water depth range can be transported by adopting a wet towing method, the deployment is flexible, and the technology is mature. The tension leg type has better vertical motion performance of the platform, but the installation process is more complex, and the manufacturing cost of the tension tendon structure is higher. The barge type is similar to a ship type, and gravity is offset by using the buoyancy of a platform, so that the adaptive water depth is generally more than 30m. The existing floating foundations of the offshore wind turbines have advantages and disadvantages, but the existing floating foundations of the offshore wind turbines are lack of foundation types of the offshore wind turbines which effectively combine wave energy.
Disclosure of Invention
The utility model aims to provide a wave energy floating type offshore wind turbine foundation type which only performs heave motion, does not generate horizontal motion, reduces the overturning effect of waves and water flow on the wind turbine foundation, and improves the overall stability of the wind turbine foundation; wave energy power generation is added on the basis of original wind energy power generation, so that the maximum power generation efficiency of the fan structure is realized, and the overall benefit is increased.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the wave energy floating type offshore wind turbine foundation comprises a central shaft tube which is vertically arranged, wherein the bottom of the central shaft tube is connected with a tension leg structure, the top of the central shaft tube is connected with a floating body assembly which is arranged around the central shaft tube through a connecting rod piece, and the floating body assembly is connected with an anchor chain; the upper part of the central shaft tube is connected with an oscillating water column type power generation device.
In the above-described wave energy floating offshore wind turbine foundation pattern, the tension leg structure is a plurality of steel ropes.
In the above-mentioned wave energy floating offshore wind turbine foundation type, the floating body assembly comprises three floating bodies, and the three floating bodies are connected with each other through a floating body connecting rod to form a triangular structure.
In the wave energy floating type offshore wind turbine foundation type, the floating body connecting rod between two adjacent floating bodies comprises an upper connecting rod and a lower connecting rod.
In the wave energy floating type offshore wind turbine foundation type, the centers of the upper connecting rod and the lower connecting rod are respectively connected with the central shaft tube through connecting rods.
In the wave energy floating type offshore wind turbine foundation type, the bottom of the floating body is connected with a plurality of anchor chains outwards.
Advantageous effects
Compared with the prior art, the utility model mainly comprises a floating body, a central shaft tube, a connecting rod piece, a steel frame, a power generation device, an anchor chain, a tension leg structure and the like. The bottom of the central shaft tube is provided with the tension leg structure, and the floating body basically only performs heave motion around the central shaft tube under the action of waves and water flow, so that horizontal motion is not generated, the overturning effect of the waves and the water flow on the fan foundation is reduced, and the overall stability of the fan foundation is improved. Meanwhile, the oscillating water column type power generation device is arranged in the central shaft tube, wave energy power generation is added on the basis of original wind energy power generation, the power generation efficiency of the fan foundation is improved, and the overall benefit is increased.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view of a wave energy floating offshore wind turbine foundation style;
FIG. 2 is a schematic diagram of a side view mounting structure of a wave energy floating offshore wind turbine foundation version;
FIG. 3 is a schematic top view of a wave energy floating offshore wind turbine foundation style;
FIG. 4 is a schematic diagram of the structure of an oscillating water column power plant (arrows indicate the direction of motion);
in the figure: 1-a central shaft tube; a 2-tension leg structure; 3-a float assembly; 31-a float; 32-a float link; 4-anchor chain; 5-oscillating water column type power generation device; 6-connecting rod pieces; 7-air chambers; 8-air flow; 9-front wall; 10-seawater, 11-oscillating water column.
Description of the embodiments
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "comprises" and "comprising," along with any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Examples. The wave energy floating type offshore wind turbine foundation is shown in fig. 1-4, and comprises a central shaft tube 1 which is vertically arranged, wherein the bottom of the central shaft tube 1 is connected with a tension leg structure 2, the top of the central shaft tube 1 is connected with a floating body assembly 3 which is arranged around the central shaft tube 1 through a connecting rod piece 6, and the floating body assembly 3 is connected with an anchor chain 4; the upper part of the central shaft tube 1 is connected with an oscillating water column type power generation device 5.
The oscillating water column type power generation device 5 can generate power through wave energy and adopts a conventional structure. Referring to fig. 4, when the incident wave enters the oscillating water column type power generation device 5, a water level difference is generated inside and outside the air chamber 7, so that the water column in the air chamber 7 oscillates up and down, the air in the air chamber 7 is compressed, and then the air is connected with the turbine device through the hole at the upper end to drive the power generator. The fan structure can generate power not only through wind energy, but also can combine wave energy power generation, and the power generation efficiency of the structure is improved.
The tension leg structure 2 is a plurality of steel ropes. The central shaft tube is fixed on the sea bottom through a steel rope structure, and is taken as the root of the integral stable structure.
The floating body assembly 3 comprises three floating bodies 31, and the three floating bodies 31 are connected with each other through a floating body connecting rod 32 to form a triangular structure; the floating body link 32 between the adjacent two floating bodies 31 includes upper and lower links. The floating body assembly 3 of this structure is stable.
The centers of the upper connecting rod and the lower connecting rod are respectively connected with the central shaft tube 1 through the connecting rod piece 3.
The bottom of the floating body 31 is connected with a plurality of anchor chains 4 outwards. Specifically, each floating body 31 is connected with two anchor chains 4.
The central shaft tube 1 of the fan foundation type is connected with a steel rope, the central shaft tube 1 is fixed on the sea bottom by using the structure of the tension leg structure 2 and is used as the root of the integral stability of the structure, and meanwhile, the oscillation water column type power generation device 5 is arranged in the upper end of the central shaft tube 1 and generates power through wave energy. The floating body assembly 3 is connected with each other through three floating bodies 31 and upper and lower floating body connecting rods 32 to form a triangular structure, and the structure is stable. The central shaft tube 1 is an elongated cylinder, under the restriction of the tension leg structure 2 and the upper floating body 3 based on the bottom, the movement process of the upper floating body 3 basically only performs heave movement under the action of waves and water flow, and the stability of the whole structure is effectively improved.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A wave energy floating offshore wind turbine foundation type, characterized in that: the device comprises a central shaft tube (1) which is vertically arranged, wherein the bottom of the central shaft tube (1) is connected with a tension leg structure (2), the top of the central shaft tube (1) is connected with a floating body assembly (3) which is arranged around the central shaft tube through a connecting rod piece (6), and the floating body assembly (3) is connected with an anchor chain (4); the upper part of the central shaft tube (1) is connected with an oscillating water column type power generation device (5).
2. The wave energy floating offshore wind turbine foundation pattern of claim 1, wherein: the tension leg structure (2) is a plurality of steel ropes.
3. The wave energy floating offshore wind turbine foundation pattern of claim 1, wherein: the floating body assembly (3) comprises three floating bodies (31), and the three floating bodies (31) are connected with each other through a floating body connecting rod (32) to form a triangular structure.
4. A wave energy floating offshore wind turbine foundation pattern according to claim 3, characterized in that: the floating body connecting rod (32) between two adjacent floating bodies (31) comprises an upper connecting rod and a lower connecting rod.
5. The wave energy floating offshore wind turbine foundation pattern of claim 4, wherein: the centers of the upper connecting rod and the lower connecting rod are respectively connected with the central shaft tube (1) through a connecting rod piece (6).
6. The wave energy floating offshore wind turbine foundation pattern of claim 1, wherein: the bottom of the floating body (31) is connected with a plurality of anchor chains (4) outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776671.1U CN219672773U (en) | 2023-04-11 | 2023-04-11 | Wave energy floating type offshore wind turbine foundation type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776671.1U CN219672773U (en) | 2023-04-11 | 2023-04-11 | Wave energy floating type offshore wind turbine foundation type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219672773U true CN219672773U (en) | 2023-09-12 |
Family
ID=87919141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320776671.1U Active CN219672773U (en) | 2023-04-11 | 2023-04-11 | Wave energy floating type offshore wind turbine foundation type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219672773U (en) |
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2023
- 2023-04-11 CN CN202320776671.1U patent/CN219672773U/en active Active
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