阅读说明：本技术 串联双风轮组件以及海上风力发电机组 (Series connection double-wind-wheel assembly and offshore wind generating set ) 是由 周昳鸣 郭小江 李卫东 王秋明 李涛 王俊伟 文玄韬 严家涛 朱晨亮 唐巍 李新 于 2021-08-24 设计创作，主要内容包括：本发明公开了一种串联双风轮组件以及海上风力发电机组,本发明提供的串联双风轮组件包括塔筒、偏航轴承、转接件、第一风轮组件和第二风轮组件,使用本发明提供的串联双风轮组件时,第一风轮组件安装在第一安装位,第二风轮组件安装在第二安装位,并通过转接件和偏航轴承设置在塔筒上。当串联双风轮组件运行时,在偏航轴承的作用下,调节转接件的角度以使得第一风轮组件的第一迎风面和第二风轮组件的第二迎风面指向风向,从而使得第一风轮组件和第二风轮组件捕捉需要捕捉的风能的方向一致。有一个塔筒设置两个风轮组件,从而能够提高风能利用效率。(The invention discloses a series double-wind-wheel assembly and an offshore wind generating set. When the series double-wind-wheel assembly operates, under the action of the yaw bearing, the angle of the adapter is adjusted to enable the first windward side of the first wind-wheel assembly and the second windward side of the second wind-wheel assembly to point to the wind direction, and therefore the direction of capturing wind energy needing to be captured by the first wind-wheel assembly and the second wind-wheel assembly is consistent. Two wind wheel assemblies are arranged on one tower, so that the utilization efficiency of wind energy can be improved.)

1. The utility model provides a series connection double wind wheel subassembly which characterized in that, includes tower section of thick bamboo, driftage bearing, adaptor, first wind wheel subassembly and second wind wheel subassembly, wherein:

a first wind wheel assembly having a first windward face that captures wind energy;

a second wind wheel assembly having a second windward side that captures wind energy;

the adapter is arranged on the tower barrel and is provided with a first installation position for installing the first wind wheel assembly and a second installation position for installing the second wind wheel assembly, the first wind wheel assembly is installed at the first installation position, and when the second wind wheel assembly is installed at the second installation position, the first windward side and the second windward side have the same direction;

the yaw bearing is arranged between the tower barrel and the adapter and used for adjusting the wind tracking directions of the first wind wheel assembly and the second wind wheel assembly; and

a tower, the tower is configured with the installation adaptor with the yaw bearing to support the first wind wheel assembly and the second wind wheel assembly.

2. The tandem twin wind wheel assembly of claim 1, wherein said adapter comprises a first mounting block mounted on said tower, a second mounting block and a third mounting block obliquely disposed on said first mounting block, said yaw bearing being located between said first mounting block and said tower, said first mounting block being disposed on an end face of said second mounting block, said second mounting block being disposed on an end face of said third mounting block.

3. The tandem twin wind wheel assembly of claim 2 wherein said first mount, said second mount and said third mount are welded together.

4. A tandem twin wind wheel assembly according to claim 3 in which the first angle between the second mount and the first mount is in the range 30 ° to 60 °; and a second included angle between the third mounting seat and the first mounting seat ranges from 30 degrees to 60 degrees.

5. The tandem double wind wheel assembly of claim 4, wherein a first angle between said second mount and said first mount is 45 °; and a second included angle between the third mounting seat and the first mounting seat is 45 degrees.

6. A tandem twin wind wheel assembly as defined in claim 1 in which said first wind wheel assembly includes a first nacelle and a first impeller, said first nacelle being disposed at said first mounting location.

7. A tandem twin wind wheel assembly according to claim 6 and wherein said second wind wheel assembly comprises a second nacelle and a second impeller, said second nacelle being positioned at said second mounting location.

8. The tandem twin wind wheel assembly of claim 7 wherein said first and second impellers are the same size.

9. An offshore wind energy generation assembly comprising a floating foundation and a tandem twin wind wheel assembly according to any of claims 1 to 8 disposed on said floating foundation.

10. The offshore wind turbine set of claim 9, wherein the floating foundation comprises a plurality of main pontoons, heave plates disposed below the main pontoons, and diagonal braces connecting the plurality of main pontoons.

Technical Field

The invention relates to the technical field of wind power generation, in particular to a series double-wind-wheel assembly and an offshore wind generating set.

Background

At present, the cost of a single floating foundation is high, the capacity of a single machine needs to be improved, and the wind energy utilization efficiency needs to be improved.

Disclosure of Invention

In view of the above, the invention provides a tandem double wind wheel assembly and an offshore wind turbine generator set to improve the uplift resistance.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a series connection double wind wheel subassembly, includes tower section of thick bamboo, driftage bearing, adaptor, first wind wheel subassembly and second wind wheel subassembly, wherein:

the first wind wheel component is provided with a first windward surface for capturing wind energy;

the second wind wheel component is provided with a second windward surface for capturing wind energy;

the adapter is arranged on the tower barrel and is provided with a first installation position for installing the first wind wheel assembly and a second installation position for installing the second wind wheel assembly, the first wind wheel assembly is installed at the first installation position, and when the second wind wheel assembly is installed at the second installation position, the first windward side and the second windward side have the same direction;

the yaw bearing is arranged between the tower barrel and the adapter and used for adjusting the tracking wind directions of the first wind wheel assembly and the second wind wheel assembly; and

the tower barrel is provided with a mounting adapter and a yaw bearing so as to support the first wind wheel assembly and the second wind wheel assembly.

Preferably, the adaptor comprises a first mounting seat mounted on the tower barrel, a second mounting seat and a third mounting seat, wherein the second mounting seat and the third mounting seat are obliquely arranged on the first mounting seat, the yaw bearing is located between the first mounting seat and the tower barrel, the first mounting seat is arranged on the end face of the second mounting seat, and the second mounting seat is arranged on the end face of the third mounting seat.

Preferably, the first mounting seat, the second mounting seat and the third mounting seat are connected by welding.

Preferably, a first included angle between the second mounting seat and the first mounting seat ranges from 30 degrees to 60 degrees; the second included angle between the third mounting seat and the first mounting seat ranges from 30 degrees to 60 degrees.

Preferably, a first included angle between the second mounting seat and the first mounting seat is 45 degrees; the second included angle between the third mounting seat and the first mounting seat is 45 degrees.

Preferably, the first wind wheel assembly comprises a first nacelle and a first impeller, the first nacelle being arranged at a first installation location.

Preferably, the second wind wheel assembly comprises a second nacelle and a second impeller, the second nacelle being arranged at a second installation site.

Preferably, the first impeller and the second impeller are the same size.

An offshore wind energy generation unit comprising a floating foundation and a tandem double wind turbine assembly as claimed in any one of the preceding claims arranged on the floating foundation.

Preferably, the floating foundation includes a plurality of main pontoons, heave plates disposed below the main pontoons, and diagonal braces connecting the plurality of main pontoons.

According to the technical scheme, when the tandem double-wind-wheel assembly provided by the invention is used, the first wind-wheel assembly is arranged at the first installation position, the second wind-wheel assembly is arranged at the second installation position, and the first wind-wheel assembly and the second wind-wheel assembly are arranged on the tower barrel through the adapter and the yaw bearing. When the series double-wind-wheel assembly operates, under the action of the yaw bearing, the angle of the adapter is adjusted to enable the first windward side of the first wind-wheel assembly and the second windward side of the second wind-wheel assembly to point to the wind direction, and therefore the direction of capturing wind energy needing to be captured by the first wind-wheel assembly and the second wind-wheel assembly is consistent. Two wind wheel assemblies are arranged on one tower, so that the utilization efficiency of wind energy can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a tandem double wind wheel assembly according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of another tandem twin wind wheel assembly according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of an adaptor according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of an offshore wind turbine generator system according to an embodiment of the present invention;

fig. 5 is a schematic top view of an offshore wind turbine generator system according to an embodiment of the present invention.

Wherein 100 is a series connection double wind wheel assembly, 200 is a floating foundation, 101 is a tower, 102 is a yaw bearing, 103 is an adapter, 104 is a first wind wheel assembly, 105 is a second wind wheel assembly, 1031 is a first mounting seat, 1032 is a second mounting seat, 1033 is a third mounting seat, 1041 is a first engine room, 1042 is a first impeller, 1051 is a second engine room, 1052 is a second impeller, 201 is a main buoy, 202 is a heave plate, and 203 is a diagonal bracing member.

Detailed Description

Based on the factors, the technical core of the invention is to provide the tandem double wind wheel assembly and the offshore wind generating set so as to improve the pulling resistance.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a tandem double wind wheel assembly 100 disclosed in some embodiments of the present invention may include a tower 101, a yaw bearing 102, an adapter 103, a first wind wheel assembly 104, and a second wind wheel assembly 105, wherein: a first wind wheel assembly 104, the first wind wheel assembly 104 having a first windward side that captures wind energy; a second wind wheel assembly 105, the second wind wheel assembly 105 having a second windward side that captures wind energy; the adapter 103 is arranged on the tower 101 and is provided with a first mounting position for mounting the first wind wheel assembly 104 and a second mounting position for mounting the second wind wheel assembly 105, the first wind wheel assembly 104 is mounted at the first mounting position, and when the second wind wheel assembly 105 is mounted at the second mounting position, the first windward side and the second windward side have the same direction; a yaw bearing 102 arranged between tower 101 and adapter 103 for adjusting the wind tracking direction of first wind wheel assembly 104 and second wind wheel assembly 105; and tower 101, tower 101 being configured with a mounting adapter 103 and yaw bearing 102 to support first and second wind wheel assemblies 104, 105.

When the tandem double wind wheel assembly 100 provided by the invention is used, the first wind wheel assembly 104 is installed at the first installation position, the second wind wheel assembly 105 is installed at the second installation position, and the tandem double wind wheel assembly is arranged on the tower 101 through the adapter 103 and the yaw bearing 102. When the tandem double wind wheel assembly 100 operates, under the action of the yaw bearing 102, the angle of the adaptor 103 is adjusted to enable the first windward side of the first wind wheel assembly 104 and the second windward side of the second wind wheel assembly 105 to point to the wind direction, so that the direction of capturing wind energy to be captured by the first wind wheel assembly 104 and the second wind wheel assembly 105 is consistent. Two wind wheel assemblies 100 are arranged on one tower 101, so that the utilization efficiency of wind energy can be improved.

It should be noted that, the tower 101 is used for supporting a structure disposed thereon, and the tower 101 may be disposed on the ground or on the floating foundation 200, in other words, the tandem double wind turbine assembly 100 of the present invention is not limited to be applied to offshore wind turbine generator sets and may also be applied to onshore wind turbine generator sets, and the tower 101 is a tower 101 structure that is conventional in the art, and since the emphasis of the invention is not placed here, it is not described here again.

The function of the adapter 103 is to enable the first wind wheel assembly 104 and the second wind wheel assembly 105 to be mounted on a support. In some embodiments of the present invention, the adaptor 103 may include a first mounting seat 1031 mounted on the tower 101, a second mounting seat 1032 obliquely disposed on the first mounting seat 1031, and a third mounting seat 1033, wherein the yaw bearing 102 is located between the first mounting seat 1031 and the tower 101, the first mounting seat is disposed on an end surface of the second mounting seat 1032, and the second mounting seat is disposed on an end surface of the third mounting seat 1033. The first mounting seat 1031 and the second mounting seat 1032 are connected by welding, bolting, or the like, and the first mounting seat 1031 and the third mounting seat 1033 are connected by welding, bolting, or the like. It is within the scope of the present invention as long as the connection of the three can be achieved. Preferably, the first, second and third mounting seats 1031, 1032, 1033 are solder-connected.

A first included angle a between the second mounting seat 1032 and the first mounting seat 1031 is in a range of 30 degrees to 60 degrees; a second included angle β between the third mounting seat 1033 and the first mounting seat 1031 is in a range of 30 ° to 60 °. Preferably, a first included angle a between the second mounting seat 1032 and the first mounting seat 1031 is 45 °; a second angle β between the third mounting seat 1033 and the first mounting seat 1031 is 45 °. That is to say, the second mounting seat 1032 is arranged obliquely to the first mounting seat 1031, and the third mounting seat 1033 is arranged obliquely to the first mounting seat 1031, so that the height of the tower 101 can be shortened by adopting an obliquely arranged structural form, and the use of materials is reduced on the premise that the strength requirement is met.

In addition, the second mounting base 1032 is directly connected to the first wind wheel assembly 104, or another structural connection, such as a tower, which is a cylindrical structure or a truss-like structure, is further provided between the second mounting base 1032 and the second wind wheel assembly 105. The third mounting base 1033 is directly connected to the second wind wheel assembly 105, or other structural connection is provided between the third mounting base 1033 and the third wind wheel assembly 100, such as a tower, which is a cylindrical structure or a truss-like structure

First wind wheel assembly 104 functions to capture wind energy, and first wind wheel assembly 104 may include a first nacelle 1041 and a first impeller 1042, first nacelle 1041 being disposed at a first installation location. The connection mode between the first nacelle 1041 and the first installation position may be bolt connection or welding, and it is within the protection scope of the present invention as long as the connection relationship between the first nacelle 1041 and the first installation position can be achieved. Preferably, the first nacelle 1041 is connected to the first installation site by bolts.

The first wind wheel assembly 104 functions to capture wind energy and the second wind wheel assembly 105 includes a second nacelle 1051 and a second wind wheel 1052, the second nacelle 1051 being positioned at a second installation site. The connection manner between the second nacelle 1051 and the second installation site may be bolt connection or welding, and it is within the scope of the present invention as long as the connection relationship between the two can be achieved. Preferably, the second nacelle 1051 is bolted to the first mounting location.

In addition, the first impeller 1042 and the second impeller 1052 can rotate under the action of wind, wherein the first impeller 1042 and the second impeller 1052 can have the same size or different sizes in the embodiment of the present invention. When the sizes are different, the size of the impeller that first contacts the wind is small.

As shown in fig. 4 and 5, the present invention also discloses an offshore wind turbine assembly, which comprises a floating foundation 200 and the tandem double wind turbine assembly 100 as described above, which is arranged on the floating foundation 200. Since the tandem double wind wheel assembly 100 has the above beneficial effects, the offshore wind turbine generator system comprising the tandem double wind wheel assembly 100 has corresponding effects, which are not described herein again.

The floating foundation 200 includes a plurality of main pontoons 201, heave plates 202 disposed below the main pontoons 201, and diagonal braces 203 connecting the plurality of main pontoons 201.

In the illustration, the number of the main buoys 201 is three, the three main buoys 201 are arranged in a triangle, and the diagonal support member 203 connects two adjacent main buoys 201.

It should be noted that, for the convenience of description, only the portions relevant to the present invention of the related application are shown in the drawings. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be understood that "system", "apparatus", "unit" and/or "module" as used herein is a method for distinguishing different components, elements, parts or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.

As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the embodiments herein, "/" means "or" unless otherwise specified, for example, a/B may mean a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.

In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Flow charts are used herein to illustrate operations performed by systems according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the various steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.