Offshore wind power foundation supporting structure and offshore wind power generation system

Abstract

According to the offshore wind power foundation supporting structure and the offshore wind power generation system, coupling between a foundation and a tower can be broken, the work amount is reduced, and the economical efficiency is improved. The offshore wind power foundation supporting structure comprises a tower, a foundation, a detection assembly, a dynamic compensation execution assembly and a control part. The foundation is located below the tower, and at least part of the foundation is located below the sea level; the detection assembly comprises a first detection part used for detecting the relative motion amount of the tower and a second detection part used for detecting the relative motion amount of the foundation. The dynamic compensation execution assembly is arranged between the tower and the foundation and comprises at least three first hydraulic cylinders; the control part is in signal connection with the detection assembly, and the control part is used for controlling the first hydraulic cylinder to stretch out and draw back according to a signal of the detection assembly so as to dynamically compensate the relative motion amount of the tower or the foundation.

Description

Technical Field

[0001] The present application relates to the technical field of wind power generation, and in particular to an offshore wind power foundation support structure and an offshore wind power generation system. Background Art

[0002] The offshore wind power foundation support structure includes a tower and a foundation. Most of the foundation is located below sea level and can be inserted into the seabed. The tower is located above sea level and the tower and foundation are fixedly connected. It can be seen that the offshore wind power foundation support structure is a multi-physics field coupled dynamic system subject to complex loads such as wind loads, waves and currents. The foundation is affected by waves and currents to produce a large dynamic response that is transmitted to the tower, which in turn causes the tower load to increase. The dynamic response of the tower affected by wind loads will also be transmitted to the foundation. It can be seen that the coupling effect between the various dynamic responses of the tower and foundation of the offshore wind power foundation support structure will further amplify the load of the offshore wind power foundation support structure, resulting in large engineering workload and low economic efficiency. Utility Model Content

[0003] The purpose of this application is to provide an offshore wind power foundation support structure and an offshore wind power generation system, which can break the coupling between the foundation and the tower, reduce the amount of engineering work and improve economy.

[0004] In order to solve the above technical problems, the offshore wind power foundation support structure provided in the present application includes: a tower; a foundation, wherein the foundation is located below the tower, and at least a part of the foundation is located below the sea level;

[0005] A detection assembly, the detection assembly comprising a first detection component for detecting the relative movement of the tower, and a second detection component for detecting the relative movement of the foundation;

[0006] A dynamic compensation actuator assembly, the dynamic compensation actuator assembly is arranged between the tower and the foundation, and the dynamic compensation actuator assembly includes at least three first hydraulic cylinders;

[0007] A control component is connected to the detection component by signal, and is used to control the extension and retraction of the first hydraulic cylinder according to the signal of the detection component to dynamically compensate for the relative movement of the tower or the foundation.

[0008] In one embodiment, the dynamic compensation actuator includes multiple groups of the first hydraulic cylinders, each group has two first hydraulic cylinders, the first hydraulic cylinders are inclined relative to the vertical direction, the upper ends of each group of the first hydraulic cylinders are relatively close, and the lower ends are relatively far apart; multiple groups of the first hydraulic cylinders are distributed around the central axis of the foundation.

[0009] In one embodiment, the offshore wind power foundation support structure further comprises a first connection portion, and the upper end of each group of the first hydraulic cylinders is hinged to the first connection portion; the offshore wind power foundation support structure further comprises a second hydraulic cylinder, and the first connection portion is connected to the tower through at least two of the second hydraulic cylinders;

[0010] Or, the offshore wind power foundation support structure also includes a second connecting part, and in two adjacent groups of the first hydraulic cylinders, the lower end of one of the first hydraulic cylinders and the lower end of the other of the first hydraulic cylinders are both hinged to the second connecting part; the offshore wind power foundation support structure also includes a second hydraulic cylinder, and the second connecting part is connected to the foundation through at least two of the second hydraulic cylinders.

[0011] In one embodiment, the foundation comprises a floating foundation, the floating foundation comprises at least two floating bodies, and the dynamic compensation actuator is connected to the top of at least one of the floating bodies.

[0012] In one embodiment, in two adjacent groups of the first hydraulic cylinders, the lower end of one of the first hydraulic cylinders and the lower end of the other of the first hydraulic cylinders are both connected to the top of one of the floating bodies.

[0013] In one embodiment, the foundation comprises a monopile fixed foundation, and the dynamic compensation actuator is connected to the top of the monopile fixed foundation.

[0014] In one embodiment, the offshore wind power foundation support structure further includes an elastic connector or a cylinder, wherein the elastic connector or the cylinder is connected between the bottom of the tower and the top of the foundation.

[0015] In one embodiment, the first detection component is disposed at the bottom of the tower, and the second detection component is disposed at the top of the foundation.

[0016] The present application also provides an offshore wind power generation system, comprising a wind turbine generator set and an offshore wind power foundation support structure supporting the wind turbine generator set, wherein the offshore wind power foundation support structure is any of the offshore wind power foundation support structures described above.

[0017] The tower and foundation of the offshore wind power foundation support structure in this application are connected through a dynamic compensation actuator, which can achieve the isolation of the dynamic response of the tower and the dynamic response of the foundation, and can break the mutual coupling between the tower and the foundation, so that after one of them generates relative motion under the action of external force, it will not affect the other. In this way, the foundation is only affected by the action of waves, ocean currents, geology and hydrology, and is not affected by wind loads and the operating loads of wind turbines, thereby greatly reducing the loads on offshore wind turbines, towers and foundations, achieving engineering optimization and improving the operating stability of the unit, and improving the economy of the foundation. For the tower, it is only affected by wind loads and the operating loads of wind turbines, and is not affected by waves, ocean currents, geology and hydrology. It also greatly reduces the load borne by the tower, which can achieve tower engineering optimization and improve the economy of the tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of the offshore wind power foundation support structure in the first embodiment of the present application;

[0019] Figure 2 This is a schematic diagram of the offshore wind power foundation support structure in the first embodiment of the present application;

[0020] Figure 3 This is a structural schematic diagram of an offshore wind power foundation support structure in the second embodiment of the present application;

[0021] Figure 4 This is a structural schematic diagram of an offshore wind power foundation support structure in the third embodiment of the present application;

[0022] Figure 5 This is a structural schematic diagram of an offshore wind power foundation support structure in the fourth embodiment of the present application;

[0023] Figure 6 This is a structural schematic diagram of an offshore wind power foundation support structure in the fifth embodiment of the present application;

[0024] Figure 7 for Figure 6 A magnified view of the middle A area;

[0025] Figure 8 for Figure 6 Schematic diagram of assembly of the first hydraulic cylinder and the second hydraulic cylinder.

[0026] The following are the descriptions of the reference numerals:

[0027] 1000- offshore wind power foundation support structure;

[0028] 100- foundation; 101- floating body; 102- connecting rod;

[0029] 200-tower;

[0030] 300-dynamic compensation actuator; 301-first hydraulic cylinder; 302-second hydraulic cylinder; 303-hydraulic station;

[0031] 400-articulated seat;

[0032] 500-first connecting portion;

[0033] 600 - control component; 700 - first detection component; 800 - second detection component. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0035] In the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0036] Please refer to Figure 1 , 2 , Figure 1 This is a structural schematic diagram of an offshore wind power foundation support structure 1000 in the first embodiment of the present application; Figure 2 This is a schematic diagram of an offshore wind power foundation support structure 1000 in the first embodiment of the present application.

[0037] The offshore wind power generation system includes an offshore wind power foundation support structure 1000 and a wind power generator set supported by the offshore wind power foundation support structure 1000. The wind power generator set includes a nacelle, an impeller installed in the nacelle, and a generator located in the nacelle. The impeller rotates under the action of wind power, and then drives the motor shaft of the generator to rotate, thereby converting wind energy into electrical energy. Figure 1 As shown, the offshore wind power foundation support structure 1000 includes a tower 200 and a foundation 100. The foundation 100 is located below the tower 200, and at least a portion of the foundation 100 is located below the sea level. The offshore wind power foundation support structure 1000 serves as a supporting part of a wind turbine generator set, and is used to support a nacelle and other components installed thereon.

[0038] In this embodiment, the offshore wind power foundation support structure 1000 specifically includes a tower 200, a foundation 100, a dynamic compensation execution component 300, a detection component and a control component 600. Each component is described in turn below.

[0039] The tower 200 is a structure for directly supporting the cabin and is the main part of the offshore wind power foundation support structure 1000. The tower 200 can also be called a tower. The cables for grid connection connected to the generator in the cabin and the ladders for workers can be arranged in the tower. The tower 200 can be a steel structure or a steel-concrete structure. There is no specific restriction on this in the present embodiment. The tower 200 can be a straight cylindrical structure or a truncated cone structure with a small top and a large bottom.

[0040] Foundation 100, foundation 100 is located below tower 200, foundation 100 is used to support tower 200, as the bottommost base of offshore wind power foundation support structure 1000, foundation 100 has various forms, foundation 100 can be a floating foundation or a fixed foundation. When foundation 100 is a fixed foundation, it can be a single pile structure or a multi-pile structure, and the pile body of foundation 100 can also be a cylindrical structure, specifically a steel structure, a steel-concrete structure, a concrete structure, etc. This embodiment does not limit the specific structural form of foundation 100, Figure 1 The foundation 100 shown is a fixed foundation and is a monopile foundation.

[0041] The dynamic compensation actuator 300 includes at least three first hydraulic cylinders 301, and the first hydraulic cylinders 301 are arranged between the tower 200 and the foundation 100. That is, the tower 200 and the foundation 100 in this embodiment are different from the rigid connection mode of fixed connection in the background technology. The tower 200 and the foundation 100 are connected through the dynamic compensation actuator 300, that is, they are connected through at least three first hydraulic cylinders 301. The first hydraulic cylinders 301 can perform telescopic movements, so that the relative position between the tower 200 and the foundation 100 can be adjusted.

[0042] The detection assembly includes a first detection component 700 for detecting the relative motion of the tower 200, and a second detection component 800 for detecting the relative motion of the foundation 100. The relative motion here is the displacement relative to the initial position of the tower 200 and the foundation 100. After the tower 200 and the foundation 100 are installed, when they are no longer subjected to external forces, the tower 200 and the foundation 100 are in the initial position. When subjected to forces such as wind and surge, the tower 200 and the foundation 100 may produce relative displacement, and then produce relative motion, which can be detected by the detection assembly. Among them, the first detection component 700 and the second detection component 800 can detect the displacement, and can also detect the speed and acceleration of the corresponding tower 200 or foundation 100 during the movement process. The displacement reflects the relative motion of the tower 200 and the foundation 100, and the speed and acceleration parameters can reflect the trend of the relative motion generated by the tower 200 or the foundation 100, so as to predict the data of the relative motion in advance, so as to compensate for the relative motion in time. The first detection component 700 and the second detection component 800 include, for example, a vibration monitor having three vibration sensors built therein for performing triaxial measurement to measure effective value, maximum value, peak value or peak-to-peak value.

[0043] The control component 600 is connected to the detection component by signal. The signal connection can be a wired connection or a wireless connection. The purpose is to send the detected relative motion signal to the control component 600. The control component 600 can analyze and obtain the current relative motion of the tower 200 and the foundation 100 according to the signal of the detection component, so as to control the first hydraulic cylinder 301 to extend and retract, so that the tower 200 and the foundation 100 produce relative displacement to compensate for the relative motion of the tower 200 or the foundation 100. For example, if the tower 200 deviates to the left, the multiple first hydraulic cylinders 301 are controlled to extend and retract, so that the dynamic compensation actuator 300 synchronously deviates to the left, so as to avoid the leftward deviation of the tower 200 exerting a pulling force on the foundation 100, that is, the displacement of the tower 200 will not affect the foundation 100. Similarly, if the foundation 100 produces relative motion, the dynamic compensation actuator 300 will also respond and move accordingly, so as to avoid the displacement of the foundation 100 affecting the tower 200. It can be seen that in order to ensure that the first hydraulic cylinder 301 can be extended and retracted, the connection method between the first hydraulic cylinder 301 and the foundation 100 and the tower 200 is a rotational connection. An articulated seat 400 can be welded on the tower 200 or the foundation 100 to be hingedly connected to the first hydraulic cylinder 301. The second hydraulic cylinder 302 mentioned in the fifth embodiment below is also hingedly connected to the tower 200 or the foundation 100.

[0044] It should be emphasized that in this embodiment, the dynamic compensation execution component 300 performs dynamic compensation, that is, the detection component performs real-time detection, and the action of the dynamic compensation execution component 300 is designed to follow the tower 200 and the foundation 100 to achieve dynamic compensation. When the tower 200 and the foundation 100 produce relative movement, the dynamic compensation execution component 300 performs real-time follow-up compensation, that is, it is not that the tower 200 and the foundation 100 produce a certain relative displacement and then perform the corresponding compensation movement, but once the tower 200 and the foundation 100 produce movement, the dynamic compensation execution component 300 starts to follow. The dynamic compensation execution component 300 can be combined with AI intelligent computing to perform follow-up control. For example, the training data type can be determined, and then the training data type can be trained according to the historical monitoring data, so that the response of the compensation movement amount of the real-time monitoring data can be predicted, and then the compensation value can be output. Here, training according to the data type itself is a known technology and will not be described in detail here. For example, the numerical value of the relative motion of the tower 200 and the foundation 100 is recorded to establish the movement trend of the tower 200 and the foundation 100. The influence of parameters such as wind force, waves and currents on the movement trend can also be recorded. When the control component 600 obtains the real-time data of the relative motion of the tower 200 or the foundation 100, the trend of the relative motion can be predicted to control the action of the dynamic compensation execution component 300 in advance, so that it can achieve the purpose of synchronous action or basically synchronous action with the tower 200 or the foundation 100.

[0045] It can be seen that the dynamic compensation execution component 300 in this embodiment can achieve the isolation of the dynamic response of the tower 200 and the dynamic response of the foundation 100, that is, it can cut off the power transmission between the tower 200 and the foundation 100, break the mutual coupling between the tower 200 and the foundation 100, so that after one of them generates relative motion under the action of external force, it will not affect the other. It can be understood that the tower 200 in the offshore wind power foundation support structure 1000 is located above the sea level, and at least part of the foundation 100 is located below the sea level, then the tower 200 is easily affected by wind loads, and the foundation 100 is easily affected by hydrological environments such as waves. In this embodiment, the coupling between the tower 200 and the foundation 100 is released, and the foundation 100 is only affected by the geological and hydrological effects of waves and currents, and is not affected by wind loads and the operating load of the wind turbine generator set, thereby greatly reducing the loads of the offshore wind turbine generator set, the tower 200 and the foundation 100, achieving engineering optimization and improving the stability of the unit operation, and improving the economy of the foundation 100.

[0046] The tower 200 is only affected by wind loads and the operating loads of wind turbines, and is not affected by wave, ocean current, geological and hydrological loads. This also greatly reduces the load borne by the tower 200, thereby optimizing the engineering work of the tower 200 and improving the economic efficiency of the tower 200.

[0047] Specifically, since the coupling between the tower 200 and the foundation 100 in this embodiment is decoupled, the design of the tower 200 and the foundation 100 can be decoupled, and the tower 200 and the foundation 100 can be independently designed, thereby improving the design efficiency. Figure 1 As for the fixed foundation shown, due to the isolation effect of the tower 200 and the foundation 100 through the dynamic compensation actuator 300, the strong correlation between the diameters of the tower 200 and the foundation 100 is eliminated, and the structural diameter of the foundation 100 is not affected by the diameter of the tower 200. The diameter can be optimized according to the load of the foundation 100 itself, thereby further optimizing the engineering quantity. At the same time, the optimization of the diameter of the foundation 100 can improve the convenience of construction and reduce the construction cost. Similarly, the diameter of the tower 200 is not affected by the diameter of the foundation 100, and the diameter and engineering quantity of the tower 200 can also be further optimized.

[0048] In addition, for fixed foundations located in earthquake zones, the above-mentioned dynamic compensation actuator 300 can also simultaneously act as a vibration isolator to prevent the vibration of the foundation 100 caused by earthquakes from being amplified along the tower 200 to the wind turbine generator set, thereby ensuring the seismic performance of the wind turbine generator set, and at the same time reducing the effect of seismic loads, further optimizing the engineering volume of the tower 200. For offshore wind power systems in sea ice areas, the dynamic compensation actuator 300 can isolate the influence of ice-induced vibrations caused by sea ice on the tower 200 and the wind turbine generator set, ensuring the adaptability of the wind turbine generator set in ice areas, while reducing the effect of sea ice loads to optimize the engineering volume of the tower 200. For another example, for offshore wind power systems in typhoon areas, the dynamic compensation actuator 300 can isolate the influence of typhoon loads on the foundation 100 to optimize the engineering volume of the foundation 100.

[0049] For example, Figure 1 As shown, the dynamic compensation actuator 300 in this embodiment includes multiple groups of first hydraulic cylinders 301, and the number of each group of first hydraulic cylinders 301 is two, that is, multiple hydraulic cylinders are grouped in pairs, and the first hydraulic cylinders 301 are all inclined relative to the vertical direction. Among them, the upper ends of each group of first hydraulic cylinders 301 are relatively close, and the lower ends are relatively far away, that is, the spacing between the upper ends of the two first hydraulic cylinders 301 in each group is smaller than the spacing between the lower sections. In this way, each group of first hydraulic cylinders 301 is arranged in an inverted V shape, and the upper ends of each group of first hydraulic cylinders 301 can be connected to the same articulated seat 400, and multiple groups of first hydraulic cylinders 301 are distributed around the central axis of the foundation 100, that is, multiple groups of first hydraulic cylinders 301 are arranged on the same circumference coaxial with the central axis. In this way, on the one hand, multi-degree-of-freedom adjustment can be achieved, Figure 1Three groups of first hydraulic cylinders 301 are provided in the middle, which is conducive to realizing six-degree-of-freedom motion adjustment. On the other hand, each group of first hydraulic cylinders 301 is arranged in an inverted V shape and multiple groups of first hydraulic cylinders 301 are evenly arranged around the central axis, which can support the tower 200 more stably.

[0050] The offshore wind power foundation support structure 1000 in the embodiment of the present application is not only applicable to fixed foundations, but also to floating foundations or fixed foundations, and has a wide range of applications.

[0051] Please refer to Figure 3 , 4 , Figure 3 This is a structural schematic diagram of an offshore wind power foundation support structure 1000 in the second embodiment of the present application; Figure 4 This is a structural schematic diagram of an offshore wind power foundation support structure 1000 in the third embodiment of the present application.

[0052] The second and third embodiments are basically the same as the first embodiment, except that the foundation 100 of the offshore wind power foundation support structure 1000 in the second and third embodiments is a floating foundation, and the floating foundation includes at least two floating bodies 101. Figure 3 Three floating bodies 101 are shown. Figure 4 Four floating bodies 101 are shown, and the specific number of the floating bodies 101 is not limited and can be set according to actual requirements. Two floating bodies 101 can be connected and fixed by a connecting rod 102. The floating body 101 is a structure that can float on the sea. Compared with a fixed foundation, a floating foundation can reduce the influence of wave, ocean current, geological and hydrological loads.

[0053] Since the foundation 100 is not subjected to the upper wind load and does not bear the motion transmission of the tower 200, when the foundation 100 is a floating foundation, the movement of the floating body 101 will be smaller. The offshore wind power generation system also includes a mooring anchor chain, which is connected between the anchor and the hull and is used to transmit and buffer the external force on the floating body 101. Since the floating body 101 moves less, the load on the mooring anchor chain can be reduced, thereby optimizing the engineering quantity of the floating foundation mooring anchor chain and improving economic efficiency.

[0054] In addition, although the floating foundation can reduce the influence of wave, ocean current, geological and hydrological loads compared to the fixed foundation, the amplitude will be relatively increased. Since the tower 200 does not bear the transmission effect of the floating foundation movement, the tower 200 is only subject to its own load movement, which can reduce the vibration amplitude of the tower 200, and then reduce the weight second-order effect load (a building with relatively soft lateral stiffness will produce a large horizontal displacement under the action of external loads. Because the structure is under the action of vertical loads, the structure further increases the lateral displacement value and causes additional internal forces to be generated by the components inside the structure), so as to optimize the engineering quantity of the tower 200 and improve the economy of the tower 200. When the amplitude of the tower 200 is reduced, the influence of the vibration and movement amplitude of the floating foundation on the wind turbine generator set can be reduced, thereby improving the adaptability of the wind turbine generator set. At the same time, since the optimization of the motion response of the wind turbine generator set is guaranteed, the design requirements of the wind turbine generator set corresponding to the floating foundation can be reduced, the design restrictions can be reduced, and the optimization of the design and development of the wind turbine generator set corresponding to the floating foundation can be achieved, reducing costs and improving the economy of the wind turbine generator set.

[0055] When the foundation 100 is a floating foundation including a plurality of floating bodies 101 , the dynamic compensation actuator is connected to the top of at least one floating body 101 . Figure 3 , 4 In two adjacent groups of first hydraulic cylinders 301, the lower end of one first hydraulic cylinder 301 in one and the lower end of one first hydraulic cylinder 301 in the other are connected to the top of a floating body 101, and each floating body 101 is connected to the lower ends of two adjacent first hydraulic cylinders 301. The number of groups of first hydraulic cylinders 301 can be determined according to the number of floating bodies 101. For example, Figure 3 The three floating bodies 101 are equipped with three sets of first hydraulic cylinders 301, Figure 4 The four floating bodies 101 are equipped with four groups of first hydraulic cylinders 301, so that the support of the tower 200 by the multiple floating bodies 101 is more stable and reliable.

[0056] like Figure 5 As shown, Figure 5 This is a structural schematic diagram of an offshore wind power foundation support structure 1000 in the fourth embodiment of the present application.

[0057] The structure of the fourth embodiment is basically the same as that of the second embodiment, except that the tower 200 in the fourth embodiment is supported on one of the floating bodies 101 only through the dynamic compensation actuator 300, and multiple first hydraulic cylinders 301 are all connected to the top of the floating body 101. With this arrangement, the connection arrangement of the multiple first hydraulic cylinders 301 is relatively simple, and the floating body 101 is also convenient for replacement, addition, and reduction, etc.

[0058] like Figure 6-8 As shown, Figure 6This is a structural schematic diagram of an offshore wind power foundation support structure 1000 in the fifth embodiment of the present application; Figure 7 for Figure 6 A magnified view of the middle A area; Figure 8 for Figure 6 Schematic diagram of the assembly of the first hydraulic cylinder 301 and the second hydraulic cylinder 302.

[0059] The fifth embodiment has a substantially similar structure to the third embodiment, except that in the fifth embodiment, not only a plurality of first hydraulic cylinders 301 are provided, but also a plurality of second hydraulic cylinders 302 are provided. The offshore wind power foundation support structure 1000 further includes a first connecting portion 500, such as Figure 7 As shown, the first connection part 500 can be a block structure, and the first connection part 500 is an articulated seat structure, and the upper end of each group of first hydraulic cylinders 301 is hinged to the first connection part 500. Moreover, the first connection part 500 is connected to the bottom of the tower 200 through at least two second hydraulic cylinders 302. This arrangement is equivalent to setting a two-stage hydraulic cylinder, and the upper end of each group of first hydraulic cylinders 301 corresponds to a smaller fan-shaped area of ​​the adjustment tower 200 in the circumferential direction, and multiple second hydraulic cylinders 302 are evenly connected to the fan-shaped area. The arrangement of the second hydraulic cylinders 302 can realize multi-point adjustment of the tower 200 at one position (i.e., the fan-shaped area), which makes the degree of freedom adjustment more refined. Based on space limitations, the size of the second hydraulic cylinder 302 can be smaller than the first hydraulic cylinder 301, and the length and thickness of the second hydraulic cylinder 302 can be smaller than the first hydraulic cylinder 301, so that more second hydraulic cylinders 302 are configured for each group of first hydraulic cylinders 301.

[0060] The second hydraulic cylinder 302 of the offshore wind power foundation support structure 1000 in the fifth embodiment is arranged between the first hydraulic cylinder 301 and the tower 200. It can be known that the second hydraulic cylinder 302 can also be arranged between the foundation 100 and the first hydraulic cylinder 301. At this time, the offshore wind power foundation support structure 1000 also includes a second connection part (not shown in the figure), and the second connection part can be the same as the first connection part 500, both of which are block-shaped articulated seat structures. At this time, the lower ends of two adjacent first hydraulic cylinders 301 are both hinged to the second connection part, and the second connection part is connected to the top of the foundation 100 through at least two second hydraulic cylinders 302.

[0061] In the above embodiments, the offshore wind power foundation support structure 1000 further includes an elastic connector or a cylinder, which is connected between the bottom of the tower 200 and the top of the foundation 100. The provision of the elastic connector or the cylinder can further ensure the reliability of the connection between the tower 200 and the foundation 100, and at the same time, due to the deformation ability of the elastic connector and the cylinder, it will not interfere with the compensation adjustment of the relative movement of the tower 200 or the foundation 100 by the first hydraulic cylinder 301 and the second hydraulic cylinder 302.

[0062] With respect to the above-mentioned embodiments, in order to better detect and feedback the relative movement amount between the tower 200 and the foundation 100, the first detection component 700 can be arranged at the bottom of the tower 200, and the second detection component 800 can be arranged at the top of the foundation 100. The bottom of the tower 200 and the top of the foundation 100 are interconnected parts. If the detection is performed directly, the data of the relative movement amount detected by the detection component will be more accurate. By controlling the action of the dynamic compensation execution component 300 accordingly, the relative movement amount can be feedback compensated more quickly.

[0063] The embodiment of the present application also provides an offshore wind power generation system, including a wind turbine generator set and an offshore wind power foundation support structure 1000, the wind turbine generator set includes a nacelle, an impeller installed in the nacelle, and a generator located in the nacelle, the offshore wind power foundation support structure 1000 is the offshore wind power foundation support structure 1000 described in any of the above embodiments, the tower 200 of the offshore wind power foundation support structure 1000 is used to support the nacelle, and the offshore wind power generation system has the same technical effect as the above offshore wind power foundation support structure 1000, which will not be repeated.

[0064] The above are only preferred implementations of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. An offshore wind power foundation support structure, characterized in that: include: A tower (200); a foundation (100), wherein the foundation (100) is located below the tower (200), and at least a portion of the foundation (100) is located below sea level; A detection component, the detection component comprising a first detection component (700) for detecting the relative movement amount of the tower (200), and a second detection component (800) for detecting the relative movement amount of the foundation (100); A dynamic compensation actuator component (300), the dynamic compensation actuator component (300) being arranged between the tower (200) and the foundation (100), the dynamic compensation actuator component (300) comprising at least three first hydraulic cylinders (301); A control component (600) is connected to the detection component by signal, and the control component (600) is used to control the extension and retraction of the first hydraulic cylinder (301) according to the signal of the detection component, so as to dynamically compensate for the relative movement of the tower (200) or the foundation (100).

2. The offshore wind power foundation support structure according to claim 1, characterized in that: The dynamic compensation actuator (300) comprises a plurality of groups of the first hydraulic cylinders (301), each group of the first hydraulic cylinders (301) comprises two first hydraulic cylinders (301), the first hydraulic cylinders (301) are arranged obliquely relative to the vertical direction, the upper ends of each group of the first hydraulic cylinders (301) are relatively close, and the lower ends are relatively far apart; the plurality of groups of the first hydraulic cylinders (301) are distributed around the central axis of the foundation (100).

3. The offshore wind power foundation support structure according to claim 2, characterized in that: The offshore wind power foundation support structure further comprises a first connection part (500), and the upper end of each group of the first hydraulic cylinders (301) is hinged to the first connection part (500); the offshore wind power foundation support structure further comprises a second hydraulic cylinder (302), and the first connection part (500) is connected to the tower (200) via at least two of the second hydraulic cylinders (302); Alternatively, the offshore wind power foundation support structure further comprises a second connection portion, wherein in two adjacent groups of the first hydraulic cylinders (301), the lower end of one of the first hydraulic cylinders (301) and the lower end of the other of the first hydraulic cylinders (301) are both hinged to the second connection portion; the offshore wind power foundation support structure further comprises a second hydraulic cylinder (302), and the second connection portion is connected to the foundation (100) via at least two of the second hydraulic cylinders (302).

4. The offshore wind power foundation support structure according to claim 2 or 3, characterized in that: The foundation (100) comprises a floating foundation, the floating foundation comprises at least two floating bodies (101), and the dynamic compensation execution component (300) is connected to the top of at least one of the floating bodies (101).

5. The offshore wind power foundation support structure according to claim 4, characterized in that: In two adjacent groups of the first hydraulic cylinders (301), the lower end of one of the first hydraulic cylinders (301) and the lower end of the other of the first hydraulic cylinders (301) are both connected to the top of a floating body (101).

6. The offshore wind power foundation support structure according to claim 2 or 3, characterized in that: The foundation (100) comprises a single pile fixed foundation, and the dynamic compensation execution component (300) is connected to the top of the single pile fixed foundation.

7. The offshore wind power foundation support structure according to any one of claims 1 to 3, characterized in that: The offshore wind power foundation support structure also includes an elastic connector or a cylinder, wherein the elastic connector or the cylinder is connected between the bottom of the tower (200) and the top of the foundation (100).

8. The offshore wind power foundation support structure according to any one of claims 1 to 3, characterized in that: The first detection component (700) is arranged at the bottom of the tower (200), and the second detection component (800) is arranged at the top of the foundation (100).

9. An offshore wind power generation system, characterized in that: It comprises a wind turbine generator set and an offshore wind power foundation support structure supporting the wind turbine generator set, and the offshore wind power foundation support structure is the offshore wind power foundation support structure according to any one of claims 1 to 8.

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