CN215213773U

CN215213773U - Floating type wind power generation system

Info

Publication number: CN215213773U
Application number: CN202120722004.6U
Authority: CN
Inventors: 朱嵘华; 田振亚; 孙香; 徐清富; 张美阳; 陆承立
Original assignee: Guangdong Huayun New Energy Co ltd; Yangjiang Offshore Wind Power Laboratory; Huanan Industrial Technology Research Institute of Zhejiang University
Current assignee: Guangdong Huayun New Energy Co ltd; Yangjiang Offshore Wind Power Laboratory; Huanan Industrial Technology Research Institute of Zhejiang University
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-17
Anticipated expiration: 2031-04-09

Abstract

The utility model belongs to offshore wind-power engineering field, concretely relates to float formula wind power generation system, including fan, pylon and showy module, showy module includes a N internal buoyancy tank and a N external buoyancy tank, and N is for being greater than 2 natural numbers, internal buoyancy tank and external buoyancy tank are long bar-type texture, the internal buoyancy tank of N uses the pylon bottom to encircle cloth as the center is even, and the inner fixed phase of all internal buoyancy tanks links to each other and constitutes cross structure, external buoyancy tank fixed connection is between the outer end of two adjacent internal buoyancy tanks for showy module wholly constitutes regular polygon structure. The utility model has the advantages as follows: the tower structure of the utility model is compact, the pressure at the bottom is concentrated at one position, therefore, the utility model adds the inner floating box on the basis of the outer floating box, the cross position of the inner floating box can bear the gravity of the tower in a concentrated way, thus the structure of the tower is simpler and the installation is more convenient; the utility model discloses a whole positive deformation structure that is of showy module, stability is high.

Description

Floating type wind power generation system

Technical Field

The utility model belongs to offshore wind power engineering field, concretely relates to float formula wind power generation system.

Background

With the rapid development of the offshore wind power industry in China, offshore wind resources are developed continuously, and the offshore wind power industry gradually develops towards deep sea at present.

The floating type foundation form has the advantages of being strong in adaptation to deep water conditions, capable of better utilizing wind energy resources and the like, and the advantages of the floating type foundation form are more obvious along with the increase of water depth.

The floating wind power foundation structure in the prior art is complex, not high enough in stability and not easy to construct.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the defects of the prior art, the utility model provides a technical scheme of a floating type wind power generation system.

The floating type wind power generation system is characterized by comprising a fan, a tower frame used for supporting the fan, and a floating module used for supporting the tower frame and providing buoyancy for the wind power generation system, wherein the floating module comprises N inner floating boxes and N outer floating boxes, N is a natural number greater than 2, the inner floating boxes and the outer floating boxes are of a long strip-shaped structure, the bottoms of the tower frames are uniformly distributed around the center of the N inner floating boxes, the inner fixed phases of all the inner floating boxes are connected with each other to form a cross structure, and the outer floating boxes are fixedly connected between the outer ends of the two adjacent inner floating boxes, so that the floating module integrally forms a regular polygon structure.

The floating wind power generation system is characterized in that the tower is of a multi-pyramid frame structure, and the number of the supporting edges at the periphery of the tower is N.

The floating wind power generation system is characterized in that the bottom of the supporting edge of the tower is fixed on the corresponding inner buoyancy tank.

The floating wind power generation system is characterized in that the width of the inner buoyancy tank is larger than that of the outer buoyancy tank.

The floating type wind power generation system is characterized in that the inner buoyancy tank and the outer buoyancy tank are both of cuboid hollow structures.

The floating wind power generation system is characterized in that the outer end of the inner buoyancy tank separates two adjacent outer buoyancy tanks.

The floating type wind power generation system is characterized in that the end parts of the two adjacent outer buoyancy tanks are fixedly connected, so that all the outer buoyancy tanks are connected end to form an outer ring structure, and the inner buoyancy tanks are surrounded in the outer ring structure.

The floating wind power generation system is characterized in that N is 3.

The floating wind power generation system is characterized in that N is 4.

Compared with the prior art, the utility model has the advantages as follows:

1) the tower structure of the utility model is compact, the pressure at the bottom is concentrated at one position, therefore, the utility model adds the inner floating box on the basis of the outer floating box, the cross position of the inner floating box can bear the gravity of the tower in a concentrated way, thus the structure of the tower is simpler and the installation is more convenient;

2) the utility model discloses a whole positive deformation structure that is of showy module, stability is high.

Drawings

FIG. 1 is a schematic structural view of example 1;

fig. 2 is a schematic top view of the floating module in embodiment 2.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The present invention will be further explained with reference to the accompanying drawings.

Example 1

As shown in fig. 1, a float formula wind power generation system, including fan 1, be used for supporting fan 1's pylon 2 and be used for supporting pylon 2 and for the floating module of wind power generation system provide buoyancy, floating module includes 3

interior flotation tanks

3 and 3 outer flotation tanks 4, interior flotation tanks 3 and outer flotation tanks 4 are rectangular shape structure, 3 interior flotation tanks 3 use 2 bottoms of pylon as the even ring cloth of center, and the inner fixed phase of all interior flotation tanks 3 links to each other and constitutes Y shape cross structure, outer flotation tanks 4 fixed connection is between the outer end of two adjacent interior flotation tanks 3 for floating module wholly constitutes regular triangle structure.

In this embodiment, the tower frame 2 has a triangular pyramid frame structure, the number of the supporting ribs 200 around the tower frame is 3, and the bottoms of the supporting ribs 200 are fixed to the inner ends of the corresponding inner pontoons 3.

In this embodiment, the inner buoyancy tank 3 has a width greater than the width of the outer buoyancy tank 4.

In the present embodiment, the inner buoyancy tank 3 and the outer buoyancy tank 4 are both rectangular hollow structures.

In this embodiment, the outer ends of the inner buoyancy tanks 3 separate two adjacent outer buoyancy tanks 4.

In this embodiment, the inner buoyancy tank 3 and the outer buoyancy tank 4 are the main sources for ensuring the stability of the whole system and providing buoyancy, and the inner buoyancy tank 3 and the outer buoyancy tank 4 are formed by welding steel plates. In addition, the floating module can also be formed by concrete in a piece mode or an integral casting mode.

In the above structure, the inner buoyancy tank 3 and the outer buoyancy tank 4 may be of a single-cabin structure or a sub-cabin structure.

The method of use of this example is as follows:

the first step is as follows: the floating type wind power generation system is built and assembled at a port;

the second step is that: integrally assembling a cabin and blades of a fan 1 and a floating type wind power generation system;

the third step: the floating wind power generation system is pulled by the tugboat to move to the designated position of the wind field and is fixed by the anchoring system.

Example 2

As shown in fig. 2, a floating type wind power generation system, including fan 1, be used for supporting fan 1's pylon 2 and be used for supporting pylon 2 and provide the showy module of buoyancy for wind power generation system, showy module includes 4

interior flotation tanks

3 and 4 outer flotation tanks 4, interior flotation tank 3 is rectangular bar-shaped structure with

outer flotation tank

4, 4 interior flotation tanks 3 use 2 bottoms of pylon as the even ring cloth of center, and the inner fixed phase of all interior flotation tanks 3 links to each other and constitutes X-shaped cross structure, outer flotation tank 4 fixed connection is between the outer end of two adjacent interior flotation tanks 3 for the whole square structure that constitutes of showy module.

In this embodiment, the tower frame 2 is a rectangular pyramid frame structure, the number of the supporting ribs 200 on the periphery thereof is 4, and the bottoms of the supporting ribs 200 are fixed to the inner ends of the corresponding inner buoyancy tanks 3.

In this embodiment, the ends of the two adjacent outer pontoons 4 are fixedly connected such that all of the outer pontoons 4 are connected end to form an outer ring structure and enclose the inner pontoon 3 within the outer ring structure.

The method of use of this example is as follows:

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a float formula wind power generation system, its characterized in that includes fan (1), be used for supporting pylon (2) of fan (1) and be used for supporting pylon (2) and for the floating module that wind power generation system provided buoyancy, floating module includes a plurality of interior flotation tank (3) of N and a plurality of outer flotation tank (4), and N is for being greater than 2 natural number, interior flotation tank (3) are rectangular bar structure with outer flotation tank (4), a plurality of interior flotation tank (3) use pylon (2) bottom as the even ring cloth in center, and the inner fixed phase of all interior flotation tank (3) links to each other and constitutes cross structure, outer flotation tank (4) fixed connection is between the outer end of two adjacent interior flotation tank (3) for floating module wholly constitutes regular polygon structure.

2. A floating wind power system according to claim 1, wherein said tower (2) is a multi-pyramid frame structure with a number N of circumferential support ribs (200).

3. A floating wind power system according to claim 2, wherein the bottom of the supporting ribs (200) of the tower (2) is fixed to the corresponding inner buoyancy tank (3).

4. A floating wind power system according to claim 1, characterized in that the width of the inner buoyancy tank (3) is larger than the width of the outer buoyancy tank (4).

5. A floating wind power system according to claim 1, characterized in that both the inner buoyancy tank (3) and the outer buoyancy tank (4) are of cuboid hollow structure.

6. A floating wind power system according to claim 1, characterized in that the outer ends of the inner buoyancy tanks (3) separate two adjacent outer buoyancy tanks (4).

7. A floating wind power system according to claim 1, characterized in that the ends of two adjacent outer pontoons (4) are fixedly connected such that all outer pontoons (4) are connected end to form an outer ring structure and enclose the inner pontoons (3) within the outer ring structure.

8. A floating wind power system according to any of claims 1-7, wherein N is 3.

9. A floating wind power system according to any of claims 1-7, wherein N is 4.