CN115355140B

CN115355140B - Floating body foundation, wind generating set, control method, device and product

Info

Publication number: CN115355140B
Application number: CN202210882260.0A
Authority: CN
Inventors: 翟恩地; 高杨; 方龙
Original assignee: Zhejiang Jinfeng Technology Co ltd
Current assignee: Zhejiang Jinfeng Technology Co ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2023-08-04
Anticipated expiration: 2042-07-26
Also published as: CN115355140A

Abstract

The utility model relates to a body foundation, wind generating set, control method, device and product, body foundation for wind generating set, wind generating set includes the pylon, and body foundation includes supporting component, including main float body, a plurality of sub float body and the connector that corresponds each sub float body and set up, wherein, a plurality of sub float body are around main float body interval distribution, and each sub float body is connected with main float body through the connector that corresponds, and main float body is used for being connected with the pylon; the adjusting piece is arranged on the connecting body between the at least one sub-floating body and the main floating body, is movably connected with the connecting body and can reciprocate between the sub-floating body and the main floating body; the driving piece is connected with the adjusting piece and can drive the adjusting piece to move relative to the connecting body. The embodiment of the application provides can satisfy the support demand to the pylon, and the leveling is convenient, and stability is high.

Description

Floating body foundation, wind generating set, control method, device and product

Technical Field

The application relates to the technical field of wind power, in particular to a floating body foundation, a wind generating set, a control method, a control device and a product.

Background

The motion stability of the floating type wind generating set is one of the most important indexes for ensuring continuous, stable, safe and efficient output and power generation of the set, and the cost of a floating body foundation almost exceeds the prices of a machine head and a tower from the viewpoint of the whole cost composition of the floating type wind generating set, so that the floating type wind generating set becomes one of the key factors of the cost of the floating type wind generating set, and is also one of the key points of the design of the floating type wind generating set because the floating type wind generating set is the most focused technical point for realizing the flat price of the floating type wind generating set in the world.

Disclosure of Invention

The embodiment of the application provides a floating body foundation, a wind generating set, a control method, a device and a product, wherein the floating body foundation can meet the supporting requirement of a tower, and the stability is high.

In one aspect, according to an embodiment of the present application, there is provided a floating body foundation for a wind generating set, the wind generating set including a tower, the floating body foundation comprising: the support assembly comprises a main floating body, a plurality of sub floating bodies and connecting bodies corresponding to each sub floating body, wherein the sub floating bodies are distributed at intervals around the main floating body, each sub floating body is connected with the main floating body through the corresponding connecting body, and the main floating body is used for being connected with the tower; the adjusting piece is arranged on the connecting body between the at least one sub-floating body and the main floating body, is movably connected with the connecting body and can reciprocate between the sub-floating body and the main floating body; the driving piece is connected with the adjusting piece and can drive the adjusting piece to move relative to the connecting body.

According to one aspect of the embodiments of the application, the connectors between each sub-floating body and the main floating body are respectively provided with an adjusting member.

According to one aspect of the embodiments of the present application, the driving member includes a guide rail and a power source, the guide rail is disposed on the connecting body, the adjusting member is movably connected with the guide rail, and the power source drives the adjusting member to move relative to the connecting body.

According to one aspect of the embodiments of the present application, the floating body foundation further comprises an inclination angle detection device and a controller, wherein the inclination angle detection device is arranged on the support assembly; the inclination angle detection device is configured to collect an inclination angle value of the support assembly relative to a reference surface, wherein the reference surface is a horizontal surface or a surface with a preset angle with the horizontal surface; the controller is configured to determine a target position of the adjusting member along the connecting body to be moved according to the inclination angle value, and control the driving member to drive the adjusting member to move to the target position according to the target position so as to adjust the gravity center of the supporting assembly.

According to an aspect of the embodiments of the present application, each sub-floating body is provided with an inclination angle detection device, or the main floating body and at least one sub-floating body are provided with an inclination angle detection device, respectively.

According to an aspect of embodiments of the present application, the floating body foundation further comprises a reinforcing rod, and the reinforcing rod is connected between two adjacent sub-floating bodies.

According to one aspect of an embodiment of the application, the regulating member comprises an energy storage tank having a receiving chamber and a suction member in communication with the receiving chamber and capable of delivering seawater into the receiving chamber.

According to one aspect of the embodiments of the present application, the floating body foundation further comprises a cooling module, the cooling module comprises a first driver and a heat exchanger, an inlet of the heat exchanger is connected with an outlet of each energy storage tank, and the first driver drives seawater in the energy storage tanks to flow to the heat exchanger so as to exchange heat with the part to be cooled.

According to an aspect of the embodiment of the application, the cooling module further comprises a plurality of cooling branches, each cooling branch is connected with the heat exchanger, and each cooling branch can be connected with the part to be cooled and guide the refrigerant of the part to be cooled to the heat exchanger for heat exchange with seawater.

According to one aspect of embodiments of the present application, the cooling branch includes at least one of a temperature sensor, a flow meter.

According to one aspect of embodiments of the present application, the floating body foundation further comprises a refrigeration component connected between the accumulator tank and the suction component, the refrigeration component being for cooling the seawater delivered by the suction component to the accumulator tank.

According to one aspect of the embodiments of the present application, the floating body foundation further includes a bypass branch connected in parallel with the refrigeration component, and a control valve is provided on the bypass branch to control the connection or disconnection of the bypass branch.

According to an aspect of the embodiment of the application, the heat exchanger comprises an inlet pipe and an outlet pipe, wherein an inlet of the inlet pipe is connected with each energy storage tank, and an outlet of the outlet pipe is connected with an inlet of the refrigerating component, so that seawater heated in the heat exchanger flows back to the energy storage tanks after being refrigerated by the refrigerating component.

According to one aspect of an embodiment of the present application, the suction component includes a filter and a second driver connected between the filter and the accumulator tank.

In another aspect, according to an embodiment of the present application, there is provided a wind turbine generator set, including: a floating body foundation as described above; and the tower is connected with the main floating body.

In still another aspect, according to an embodiment of the present application, there is provided a control method of the floating body foundation, including:

acquiring an inclination angle value of the support assembly relative to a reference surface, wherein the reference surface is a horizontal surface or a surface with a preset angle with the horizontal surface;

determining a target position of the adjusting piece to be moved along the connecting body according to the inclination angle value;

the driving piece is controlled to drive the adjusting piece to move to the target position according to the target position so as to adjust the gravity center of the supporting component.

In still another aspect, an embodiment of the present application provides a control device for a floating body foundation, including:

the acquisition module is configured to acquire an inclination angle value of the support assembly relative to a reference surface, wherein the reference surface is a horizontal surface or a surface with a preset angle with the horizontal surface;

the calculation module: the adjusting piece is configured to determine a target position of the adjusting piece to be moved along the connecting body according to the inclination angle value;

and the adjusting module is configured to control the driving piece to drive the adjusting piece to move to the target position according to the target position so as to adjust the gravity center of the supporting component.

In yet another aspect, a computer program product is provided according to an embodiment of the present application, the instructions in which, when executed by a processor of an electronic device, cause the electronic device to perform the above-described floating body-based control method.

According to the floating body foundation, the wind generating set and the control method thereof, which are provided by the embodiment of the application, the floating body foundation comprises a supporting component, a regulating element and a driving element, the supporting component comprises a main floating body, a plurality of sub floating bodies and connectors corresponding to each sub floating body, the sub floating bodies are connected with the main floating body, when the wind generating set is used, the main floating body can be connected with an object to be supported through the main floating body, the floating body foundation is used for the wind generating set as an example, the main floating body can be used for being connected with a tower, and other fan components connected with the tower above the tower float above the sea level through the combined action of the main floating body and the sub floating bodies, so that the supporting requirement is ensured.

Because be provided with mobilizable regulating part on the connector between at least one son float body and the main float body to the driving part can correspond the regulating part setting and drive regulating part relative connection body and remove, when meetting special environment such as wave, can remove between the son float body and the main float body that correspond through driving part drive regulating part, and then adjust the focus of body basis, it is convenient to adjust, and stability is high, guarantees the balanced of the pylon stand by support object that supports, reduces its probability of taking place to tip over.

Drawings

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of a wind turbine generator system according to one embodiment of the present application;

FIG. 2 is a schematic structural view of a floating body foundation according to one embodiment of the present application;

FIG. 3 is a schematic view of the structure of the adjusting member mated with the connector according to one embodiment of the present application;

FIG. 4 is a hydraulic schematic of a floating body foundation according to another embodiment of the present application;

FIG. 5 is a schematic structural diagram of a wind turbine generator system according to another embodiment of the present application;

FIG. 6 is a flow diagram of a method of float-based control of one embodiment of the present application;

fig. 7 is a schematic structural view of a floating body-based control device according to an embodiment of the present application.

Wherein:

1-a floating body foundation;

10-a support assembly; 11-a primary float; 12-a sub-floating body; 13-linker;

20-an adjusting member; 21-an energy storage tank; 22-a suction component; 221-a filter; 222-a second driver; 23-moving blocks;

30-a driving member; 31-guiding rails; 32-a power source;

40-inclination angle detection device; 50-reinforcing bars; 60-cooling module; 61-a first driver; 62-heat exchanger; 621-feeding the pipe; 622-exit tube; 63-cooling branch; 631-a temperature sensor; 632-a flow meter; 633-auxiliary heat exchanger;

70-a refrigeration component; 71-inlet; 72-outlet;

80-a bypass branch; 81-a control valve;

2-tower; 3-nacelle; a 4-generator; 5-impeller; 6-a current transformer; 7-a power grid; 8-a part to be cooled; 9-mooring system;

100-an acquisition module; 200-a calculation module; 300-an adjustment module.

In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.

Detailed Description

Features and exemplary embodiments of various aspects of the present application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by showing an example of the present application. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present application; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The azimuth terms appearing in the following description are all directions shown in the drawings, and do not limit the specific structures of the floating body foundation, the wind generating set, the control method, the device and the product of the application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the terms in the present application can be understood as appropriate by one of ordinary skill in the art.

As shown in fig. 1, the embodiment of the application provides a wind generating set, which comprises a floating body foundation 1, a tower 2, a cabin 3, a generator 4, an impeller 5, a converter 6 and the like. The tower 2 is connected to the floating foundation 1, the nacelle 3 is provided at the top end of the tower 2, and the generator 4 is provided in the nacelle 3. In some examples, the generator 4 may be located outside the nacelle 3 and the converter 6 located inside the nacelle. The impeller 5 comprises a hub and a plurality of blades connected to the hub, the impeller 5 being connected to the rotor of the generator 4 via its hub. When wind force acts on the blades, the whole impeller 5 and the rotor of the generator 4 are driven to rotate, the generator 4 converts wind energy into electric energy, and then the electric energy is rectified and inverted through the converter 6 and then is transmitted to the power grid 7.

In order to improve the safety performance of the wind generating set, it is necessary to ensure the gravity center adjustment requirement of the floating body foundation 1 and further ensure the stability of the floating body foundation 1.

The existing floating body foundation 1 mainly regulates and controls the water levels in different floating body cabins through a power water pump, so that the gravity center position of the whole machine is regulated, and the stability is regulated. The technical means needs great water quantity regulation, has slow response speed and needs to be improved in stability.

In order to solve the above technical problems, the embodiment of the present application provides a floating body foundation 1, where the floating body foundation 1 may be used in the wind generating set provided in the above embodiment, and of course, may also be used in other offshore structures, such as signal towers, lookout benches, and the like. The floating body foundation 1 provided by the embodiment of the application can meet the supporting requirement of the tower 2, and is convenient to level and high in stability.

As shown in fig. 2 and fig. 3, the floating body foundation 1 provided in the embodiment of the present application includes a supporting component 10, an adjusting component 20 and a driving component 30, where the supporting component 10 includes a main floating body 11, a plurality of sub-floating bodies 12 and a connecting body 13 corresponding to each sub-floating body 12, where the plurality of sub-floating bodies 12 are distributed at intervals around the main floating body 11, each sub-floating body 12 is connected with the main floating body 11 through a corresponding connecting body 13, and the main floating body 11 is used for being connected with the tower 2. An adjusting member 20 is provided on the connecting body 13 between at least one sub-floating body 12 and the main floating body 11, the adjusting member 20 being movably connected with the connecting body 13 and being capable of reciprocating between the sub-floating body 12 and the main floating body 11. The driving member 30 is connected to the adjusting member 20 and is capable of driving the adjusting member 20 to move relative to the connecting body 13.

Alternatively, the main floating body 11 may have the same or different structural form as the sub floating body 12, and the main floating body 11 may have a larger volume than the Yu Zipiao floating body 12, for example.

Alternatively, the densities of the main and sub floating bodies 11 and 12 are less than that of seawater, so that the main and sub floating bodies 11 and 12 can float on the sea level.

Alternatively, the number of sub-floating bodies 12 may be two, three or even more. Alternatively, the plurality of sub-floating bodies 12 are distributed at intervals, optionally at intervals and uniformly, in the circumferential direction of the main floating body 11.

Illustratively, the number of the sub-floating bodies 12 may be three, and the three sub-floating bodies 12 are spaced apart and uniformly arranged in the circumferential direction of the main floating body 11.

Alternatively, the connection bodies 13 provided corresponding to each sub-floating body 12 may be understood as the same number of connection bodies 13 as the number of sub-floating bodies 12 and provided in one-to-one correspondence. Each sub-floating body 12 is connected to the main floating body 11 by a corresponding connection body 13.

Alternatively, the adjusting member 20 may be provided on the connecting body 13 between one sub-floating body 12 of the plurality of sub-floating bodies 12 and the main floating body 11, and of course, two or more sub-floating bodies 12 of the plurality of sub-floating bodies 12 may be connected with the adjusting member 20 between each sub-floating body 12 and the main floating body 11, and of course, each sub-floating body 12 and the main floating body 11 may be connected with the adjusting member 20.

Alternatively, the driving member 30 is directly connected to the adjusting member 20 to drive the adjusting member 20 to move, or indirectly connected to the adjusting member 20 to drive the adjusting member 20 to move.

Alternatively, the number of driving members 30 may be the same as the number of adjusting members 20, and each driving member 30 may be disposed corresponding to one adjusting member 20 and capable of driving the adjusting member 20 to move relative to the connecting body 13.

The body foundation 1 that this application embodiment provided can be connected with waiting to support the object through main body 11, takes body foundation 1 to be used for wind generating set as an example, and main body 11 can be used for being connected with pylon 2, makes pylon 2 and other fan components that are connected on the pylon float above sea level through the combined action of main body 11 and sub-body 12, guarantees the support requirement. Because the movable adjusting piece 20 is arranged on the connecting body 13 between the at least one sub-floating body 12 and the main floating body 11, and the driving piece 30 can be arranged corresponding to the adjusting piece 20 and drive the adjusting piece 20 to move relative to the connecting body 13, when special environments such as sea waves are encountered, the driving piece 30 can drive the adjusting piece 20 to move between the corresponding sub-floating body 12 and the main floating body 11, and then the gravity center of the floating body foundation 1 is adjusted, so that leveling is facilitated, adjustment is convenient, stability is high, balance of a supported object is guaranteed, and the probability of tipping of the supported tower 2 is reduced.

In some alternative embodiments, the connectors 13 between each sub-floating body 12 and the main floating body 11 are provided with an adjusting member 20, respectively. Alternatively, a driving member 30 may be provided corresponding to each of the regulating members 20.

Through being provided with regulating part 20 respectively on the connector 13 between every sub-body 12 and the main body 11 that floats, can adjust the regulating part 20 of corresponding position according to the skew condition of body basis 1 focus, improve the leveling scope of body basis 1, do benefit to the stability requirement of body basis 1.

In some alternative embodiments, the driving member 30 includes a guide rail 31, where the guide rail 31 is disposed on the connecting body 13, and a power source 32, where the adjusting member 20 is movably connected to the guide rail 31, and the power source 32 drives the adjusting member 20 to move relative to the connecting body 13.

Alternatively, the guide rail 31 may extend in the arrangement direction of the main floating body 11 and the sub floating body 12, and alternatively, the guide rail 31 may employ a linear guide rail.

The floating body foundation 1 provided by the embodiment of the application can utilize the guide rail 31 to guide the movement of the adjusting piece 20 by enabling the driving piece 30 to comprise the guide rail 31 and the power source 32, so that the adjusting piece 20 can move along a preset track. The correspondingly arranged power source 32 can provide power for the movement of the adjusting member 20 and facilitate the movement of the adjusting member 20.

Alternatively, a moving block 23 may be provided on the adjusting member 20, and the adjusting member 20 may be movably connected to the guide rail 31 by the moving block 23, which may be a sliding fit or a rolling fit.

By providing the moving block 23, a movable connection between the adjusting member 20 and the guide rail 31 is facilitated.

It will be appreciated that by providing the moving block 23 on the adjusting member 20, the connection with the guide rail 31 by means of the moving block 23 is only an alternative embodiment, and in some examples, it is also possible to provide a sliding groove on the adjusting member 20 that matches the shape of the guide rail 31, and by means of which the position adjusting requirement of the adjusting member 20 can be met directly in conjunction with the guide rail 31 and be movably connected.

Alternatively, power source 32 may employ a telescoping cylinder, a servo motor, or the like.

When a telescopic cylinder is employed, one of the cylinder body and the cylinder rod of the telescopic cylinder may be connected to the regulator 20 and the other may be connected to the main floating body 11 or the sub floating body 12. The reciprocating movement of the regulating member 20 along the guide rail 31 between the corresponding main floating body 11 and sub floating body 12 is achieved by the extension or shortening of the telescopic cylinder.

When the servo motor is adopted, a transmission part can be connected between the power source 32 and the adjusting part 20, the power source 32 can be connected with the adjusting part 20, the output end of the power source 32 can be connected with a transmission part 33, the transmission part 33 can be in transmission fit with one of the guide rail 31 and the connecting body 13, for example, the transmission part 33 is driven by the servo motor to rotate, and under the meshing of the transmission part 33, the guide rail 31 and the connecting body 13, the power source 32 and the adjusting part 10 can move along the guide rail 31, so that the position adjustment of the adjusting part 20 is realized, and the gravity center adjustment requirement of the floating body foundation 1 is further met.

In some alternative embodiments, the floating body foundation 1 provided in the embodiments of the present application further includes an inclination detecting device 40 and a controller, where the inclination detecting device 40 is disposed on the support assembly 10, and the inclination detecting device 40 is configured to collect an inclination angle value of the support assembly 10 relative to a reference plane, where the reference plane is a horizontal plane or a plane forming a predetermined angle with the horizontal plane. The controller is configured to determine a target position of the adjusting member 20 along the connecting body 13 according to the inclination angle value, and control the driving member 30 to drive the adjusting member 20 to move to the target position according to the target position, so as to adjust the center of gravity of the supporting assembly 10.

Alternatively, the controller may determine the pre-adjusted adjusting member 20 and the moving direction, moving distance, etc. of the pre-adjusted adjusting member 20 according to the inclination angle value, ensuring that the adjusting member 20 moves to the target position.

According to the floating body foundation 1 provided by the embodiment of the application, through the arrangement of the inclination angle detection device 40 and the controller, the inclination angle value of the supporting component 10 relative to the reference surface can be detected through the inclination angle detection device 40, the controller determines the target position of the adjusting piece 20 to be moved along the connecting body 13 according to the inclination angle value, and controls the driving piece 30 to drive the adjusting piece 20 to move to the target position according to the target position, so that automatic adjustment of the adjusting piece 20 can be realized, the adjustment precision and the adjustment response speed can be improved, and the balance requirement of the floating body foundation 1 can be improved.

In some alternative embodiments, each sub-floating body 12 is provided with an inclination angle detection device 40, and because the number of sub-floating bodies 12 is multiple, by providing each sub-floating body 12 with an inclination angle detection device 40, multiple points determine a surface, and mutually check, the inclination angle value, the inclination direction and the orientation of the support assembly 10 can be more accurately determined, and when one of the inclination angle detection devices 40 fails, the gravity center can be reliably detected and adjusted by other inclination angle detection devices, so that the reliability of the floating body foundation is improved.

It should be understood that the inclination detection device 40 is not limited to be provided on each sub-floating body 12, and in some embodiments, the inclination detection device 40 may be provided on the main floating body 11 and at least one sub-floating body 12, so that the inclination angle value of the support assembly 10 can be determined.

Alternatively, when the inclination detecting device 40 is provided at the main floating body 11, the inclination detecting device 40 may be provided at the central position of the main floating body 11, improving the detection accuracy of the inclination angle value.

Alternatively, the inclination detecting means 40 may employ an inclination sensor or the like.

In some alternative embodiments, the floating body foundation 1 further comprises a reinforcing bar 50, between two adjacent sub-floating bodies 12 a reinforcing bar 50 is connected.

By arranging the reinforcing rods 50 and connecting the reinforcing rods 50 between the adjacent two sub-floating bodies 12, the overall strength of the floating body foundation 1 can be improved, and the stability of the floating body foundation 1 can be improved.

In some alternative embodiments, the floating body foundation 1, the main floating body 11 and the sub floating bodies 12 provided in the embodiments of the present application may each adopt a cylindrical structure, and the distances between each sub floating body 12 and the main floating body 11 are equal. Alternatively, the connecting body 13 may have a rod-shaped structure, which is simple in structure and facilitates connection.

As shown in fig. 4 and 5, in some alternative embodiments, the floating body foundation 1 provided in the embodiments of the present application, the adjusting member 20 includes an energy storage tank 21 and a suction member 22, the energy storage tank 21 has a receiving cavity, and the suction member 22 is in communication with the receiving cavity and is capable of delivering seawater into the receiving cavity.

Alternatively, the adjusting element 20 may be connected to the guide rail 31 via the energy storage tank 21.

Alternatively, the suction means 22 may use a hydraulic pump or the like to feed seawater into the accumulator tank 21.

The floating body foundation 1 provided in the embodiment of the present application can pump seawater into the accumulator tank 21 by using the pumping means 22 to provide power by making the adjusting member 20 include the accumulator tank 21 and the pumping means 22. By means of the method, the weight of seawater contained in the energy storage tank 21 can be adjusted, the offshore support requirements of the floating body foundation 1 on units with different capacities are met, and the universality of the floating body foundation 1 is improved.

In some alternative embodiments, the floating body foundation 1 provided in the embodiments of the present application, the floating body foundation 1 further comprises a cooling module 60, the cooling module 60 comprises a first driver 61 and a heat exchanger 62, an inlet of the heat exchanger 62 is connected with an outlet of each energy storage tank 21, and the first driver 61 drives the seawater in the energy storage tanks 21 to flow to the heat exchanger 62 to exchange heat with the component 8 to be cooled.

Alternatively, the inlet of the heat exchanger 62 may be connected to the outlet of each accumulator tank 21 through a pipe, and the first driver 61 may be provided on the pipe connecting the heat exchanger 62 to each accumulator tank 21.

The first driver 61 may employ a power member such as a hydraulic pump. The number of the first drivers 61 may be one, or two or more, and may be disposed in parallel between the heat exchanger 62 and the accumulator tank 21 when two or more are provided. When the number of the first drivers 61 is more than two, at least one control valve may be disposed on the branch where each first driver 61 is located, so as to control the connection or disconnection of the branch where the first driver 61 is located.

According to the floating body foundation 1 provided by the embodiment of the application, the floating body foundation 60 is further arranged through the cooling module 60, the structure of the cooling module 60 is limited, the adjusting piece 20 can not only have the function of adjusting the gravity center of the floating body foundation 1, but also have the function of energy storage, seawater can be stored in the energy storage tank 21, when the part 8 to be cooled needs to be cooled, the seawater in the energy storage tank 21 can be guided to the heat exchanger 62 through the first driver 61, and meanwhile, a medium for heat exchange of the part 8 to be cooled can be directly or indirectly guided to the heat exchanger 62, and after heat exchange with the heat exchanger 62, the medium flows back to each part 8 to be cooled, so that the cooling requirement of the part 8 to be cooled is realized. And through the function that makes body basis 1 integrated energy storage, when making it be applied to sea water equipment such as wind generating set, can make wind generating set's heat transfer system structure simplify, with low costs and efficient.

In some alternative embodiments, the cooling module 60 further includes a plurality of cooling branches 63, each cooling branch 63 being respectively connected to the heat exchanger 62, each cooling branch 63 being capable of being connected to the component 8 to be cooled and guiding the refrigerant of the component 8 to be cooled to the heat exchanger 62 for heat exchange with the seawater.

Alternatively, the number of cooling branches 63 included in the cooling module 60 may be two or more, and may be specifically set according to the number of the components 8 to be cooled.

Alternatively, the cooling branch 63 may be a guide pipe, through which the fluid to be cooled in the component 8 to be cooled is guided to the heat exchanger 62, and is returned to the component 8 to be cooled after being cooled by heat exchange with the seawater in the heat exchanger 62, for cooling the component 8 to be cooled.

The floating body foundation 1 provided in the embodiments of the present application facilitates cooling a plurality of components 8 to be cooled by having the cooling module 60 include a plurality of cooling branches 63, for example, when used in a wind turbine generator set, the plurality of components 8 to be cooled may include, but are not limited to, a generator 4, a current transformer 6, a cooling system, and the like.

In some alternative embodiments, each cooling branch 63 may include an auxiliary heat exchanger, so that by including an auxiliary heat exchanger 633 on each cooling branch 63, the fluid to be cooled in the component 8 to be cooled may be led to the auxiliary heat exchanger 633 first, heat is transferred to the auxiliary heat exchanger 633 after heat exchange with the auxiliary heat exchanger 633, the auxiliary heat exchanger 633 absorbs the heat absorbed by the refrigerant of the component 8 to be cooled and flows to the heat exchanger 62, and the refrigerant of the auxiliary heat exchanger 633 on each cooling branch 63 is collected in the heat exchanger 62 and returns to the auxiliary heat exchanger 633 after heat exchange with the seawater entering the heat exchanger 62.

According to the floating body foundation 1 provided by the embodiment of the application, by arranging the auxiliary heat exchangers 633, the refrigerants of the respective auxiliary heat exchangers 633 can be set to be the same fluid, such as gas or liquid, so that the respective auxiliary heat exchangers 633 absorb heat of each part 8 to be cooled and converge to the heat exchanger 62 to exchange heat with seawater. The property of the refrigerant carrying heat in the heat exchanger 62 is consistent, such as gas or liquid, so that the situation that the refrigerant in the part 8 to be cooled is different in form and needs to be respectively provided with a heat exchange area when being guided to the heat exchanger 62 is avoided, and the heat exchange efficiency is improved.

In some alternative embodiments, the floating body foundation 1 provided by embodiments of the present application, the cooling branch 63 comprises at least one of a temperature sensor 631, a flow meter 632.

Optionally, the cooling branch 63 may include a temperature sensor 631, and the temperature of the refrigerant in the cooling branch 63 can be monitored in real time by the temperature sensor 631, so that the cooling time of the cooling branch 63, the flow rate of the refrigerant, and the like can be regulated and controlled according to the monitored temperature data, thereby ensuring the cooling requirement on each component 8 to be cooled.

Optionally, the cooling branch 63 may include a flow meter 632, and the flow rate of the refrigerant is fed back through the flow meter 632, so as to facilitate control of the flow rate of the refrigerant and ensure the heat exchange effect.

In some alternative embodiments, floating body foundation 1 further comprises a refrigeration component 70, refrigeration component 70 being connected between accumulator tank 21 and suction component 22, refrigeration component 70 being used to cool the seawater delivered by suction component 22 to accumulator tank 21.

By providing the refrigerating part 70, the seawater sucked up by the suction part 22 can be cooled by the refrigerating part 70, and the cooled seawater is delivered to the energy storage tank 21, so that the temperature of the seawater entering the energy storage tank 21 is lower, and when the seawater is used for cooling, the cooling effect of the part 8 to be cooled can be optimized.

Referring to fig. 5, when the floating body foundation 1 is applied to a wind turbine generator system, by providing the refrigerating unit 70, the overload energy of the wind turbine generator system can be cooled and stored by cooling the seawater by the refrigerating unit 70, and the cooled seawater exhibits an inverse temperature gradient temperature along the radial water temperature from the bottom of the tank in the energy storage tank 21.

Alternatively, the refrigeration unit 70 is configured to cool the seawater based on a preset temperature and a determined amount of circulating seawater through the refrigeration unit 70. According to the floating body foundation 1 provided by the embodiment, the circulating seawater quantity and the preset cooling temperature through the refrigerating component 70 are controlled, so that the overload energy of the wind generating set is quantitatively stored through the cooled seawater, and a certain power grid frequency modulation capacity is further met.

As an alternative embodiment, the floating body foundation 1 further comprises a bypass branch 80, the bypass branch 80 being connected in parallel with the refrigerating part 70, and a control valve 81 being provided on the bypass branch 80 to control the connection or disconnection of the bypass branch 80.

Alternatively, one end of the bypass branch 80 may be connected to the inlet 71 of the refrigeration unit 70 and the other end may be connected to the outlet 72 of the refrigeration unit 70 to effect parallel connection with the refrigeration unit 70.

The floating body foundation 1 provided by the embodiment of the application is connected in parallel with the refrigerating component 70 through the bypass branch 80, so that the floating body foundation 1 can be switched between an energy storage state and a non-energy storage state. When the control valve 81 on the bypass branch 80 is opened and the refrigerating component 70 is closed, the floating body foundation 1 operates to a non-energy storage state, and heat exchange between seawater in a natural state and the component 8 to be cooled can be directly utilized to realize cooling of the component 8 to be cooled. Because the ocean is a huge heat sink, the temperature of the sea water and the ambient temperature have a certain temperature difference, the heat sink can be fully utilized to realize heat exchange of the unit, so that energy conservation is realized, and the generating efficiency of the wind generating set is improved.

In some alternative embodiments, the heat exchanger 62 includes an inlet pipe 621 and an outlet pipe 622, wherein an inlet of the inlet pipe 621 is connected to each of the energy storage tanks 21, and an outlet of the outlet pipe 622 is connected to an inlet of the refrigerating part 70, so that the seawater heated in the heat exchanger 62 is returned to the energy storage tanks 21 after being cooled by the refrigerating part 70.

According to the floating body foundation 1 provided by the embodiment of the application, the outlet pipe 622 of the heat exchanger 62 is connected with the inlet 71 of the refrigerating component 70, so that the seawater subjected to heat exchange with the component 8 to be cooled can flow to the refrigerating component 70 through the outlet pipe 622 and then is converged to the energy storage tank 21 for reuse, the pumping component 22 is not required to pump the seawater all the time, and the energy-saving effect can be achieved.

In some alternative embodiments, the floating body foundation 1 provided in the embodiments of the present application, the pumping means 22 comprises a filter 221 and a second driver 222, the second driver 222 being connected between the filter 221 and the energy storage tank 21.

By having the suction means 22 comprise a filter 221 and a second drive 222, the power for the operation of the energy storage tank 21 can be provided by the second drive 222 and the filter 221 is arranged to filter the seawater entering the energy storage tank 21 avoiding blocking of the seawater pipeline during operation due to large particle impurities.

Alternatively, the number of the second drivers 222 may be plural, and the plural second drivers 222 may be connected in parallel, where the refrigeration unit 70 is included, the second drivers 222 may be connected between the refrigeration unit 70 and the energy storage tank 21, so as to ensure the circulation requirement of the seawater.

The floating body foundation 1 provided by the embodiment of the application can further comprise a mooring system 9, and the floating body foundation 1 can be connected with the seabed through the mooring system 9, so that the safety performance of the floating body foundation 1 is improved.

The wind generating set that this application embodiment provided, because of including the body basis 1 that above-mentioned each embodiment provided, can guarantee the support demand to parts such as pylon 2, and can realize the regulation of focus through the position of removal regulating part 20 on connector 13, convenient operation, stability and security are higher. Meanwhile, the floating body foundation 2 is integrated with an energy storage function and can be used for cooling other parts of the wind generating set, so that the cooling requirement of the wind generating set is ensured, the cost is reduced, and the power generation benefit is improved.

As shown in fig. 6, on the other hand, the embodiment of the present application further provides a control method of the floating body foundation 1, which may be used to control the floating body foundation 1 provided in the foregoing embodiments, where the control method includes:

s100, acquiring an inclination angle value of the support assembly 10 relative to a reference surface, wherein the reference surface is a horizontal surface or a surface with a preset angle with the horizontal surface;

s200, determining a target position of the adjusting piece 20 to be moved along the connecting body 13 according to the inclination angle value;

s300, the driving piece 30 is controlled to drive the adjusting piece 20 to move to the target position according to the target position, so as to adjust the gravity center of the supporting assembly 10.

According to the control method provided by the embodiment of the application, the target position of the adjusting piece 20 along the connecting body 13 is determined by acquiring the inclination angle value of the supporting component 10 relative to the reference surface, and then the driving piece 30 is controlled according to the target position to drive the adjusting piece 20 to move to the target position, so that the adjustment of the gravity center of the supporting component 10 is facilitated, and the whole floating body foundation 1 can be always in a stable state.

Alternatively, in step S100, when the floating body foundation 1 includes the inclination detecting means 40, the inclination angle value of the support assembly 10 may be obtained through the inclination information acquired by the respective inclination detecting means 40.

Optionally, in step S200, determining the target position of the adjusting member 20 to be moved along the connecting body 13 according to the inclination angle value may include: the adjusting member 20 to be moved, the moving direction of the corresponding adjusting member 20, and the moving distance are determined according to the inclination angle value.

As shown in fig. 7, in yet another aspect, an embodiment of the present application further provides a control device for the floating body foundation 1, including:

an acquisition module 410 configured to acquire an inclination angle value of the support assembly 10 with respect to a reference plane, the reference plane being a horizontal plane or a plane having a predetermined angle with the horizontal plane;

a calculation module 420 configured to determine a target position of the adjusting member 20 to be moved along the connecting body 13 according to the inclination angle value;

the adjusting module 430 is configured to control the driving member 30 to drive the adjusting member 20 to move to the target position according to the target position, so as to adjust the center of gravity of the support assembly 10.

According to the control device provided by the embodiment of the application, the target position of the adjusting piece 20 along the connecting body 13 is determined by acquiring the inclination angle value of the supporting component 10 relative to the reference surface, and then the driving piece 30 is controlled according to the target position to drive the adjusting piece 20 to move to the target position, so that the adjustment of the gravity center of the supporting component 10 is facilitated, and the whole floating body foundation 1 can be always in a stable state.

In still another aspect, the present application further provides a computer readable storage medium, where computer program instructions are stored on the computer readable storage medium, where the computer program instructions, when executed by a processor, may implement the control method of the floating body foundation 1 in the foregoing embodiment, and achieve the same technical effects, and in order to avoid repetition, are not described herein again. The computer readable storage medium may include a non-transitory computer readable storage medium, such as Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, and the like, but is not limited thereto.

In yet another aspect, the present application also provides a computer program product, the instructions in which, when executed by a processor of an electronic device, cause the electronic device to perform the method of controlling the floating body foundation 1 in the above-described embodiments.

While the present application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the present application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A floating body foundation (1) for a wind power plant, the wind power plant comprising a tower (2), characterized in that the floating body foundation (1) comprises:

the support assembly (10) comprises a main floating body (11), a plurality of sub floating bodies (12) and connecting bodies (13) corresponding to each sub floating body (12), wherein the sub floating bodies (12) are distributed at intervals around the main floating body (11), each sub floating body (12) is connected with the main floating body (11) through the corresponding connecting body (13), and the main floating body (11) is used for being connected with the tower (2);

the adjusting piece (20) is arranged on the connecting body (13) between at least one sub-floating body (12) and the main floating body (11), and the adjusting piece (20) is movably connected with the connecting body (13) and can reciprocate between the sub-floating body (12) and the main floating body (11);

and the driving piece (30) is connected with the adjusting piece (20) and can drive the adjusting piece (20) to move relative to the connecting body (13).

2. Floating body foundation (1) according to claim 1, characterized in that the connection body (13) between each sub-floating body (12) and the main floating body (11) is provided with the adjusting element (20) respectively.

3. Floating body foundation (1) according to claim 1, characterized in that the driving element (30) comprises a guide rail (31) and a power source (32), the guide rail (31) being arranged in the connecting body (13), the adjusting element (20) being movably connected with the guide rail (31), the power source (32) driving the adjusting element (20) to move relative to the connecting body (13).

4. The floating body foundation (1) according to claim 1, characterized in that the floating body foundation (1) further comprises an inclination detection device (40) and a controller, the inclination detection device (40) being arranged to the support assembly (10);

the inclination angle detection device (40) is configured to acquire an inclination angle value of the support assembly (10) relative to a reference surface, wherein the reference surface is a horizontal surface or a surface with a preset angle with the horizontal surface;

the controller is configured to determine a target position of the adjusting member (20) along the connecting body (13) to be moved according to the inclination angle value, and control the driving member (30) to drive the adjusting member (20) to move to the target position according to the target position so as to adjust the gravity center of the supporting assembly (10).

5. The floating body foundation (1) according to claim 4, characterized in that each of the sub-floating bodies (12) is provided with the inclination detection means (40) respectively, or that the main floating body (11) and at least one of the sub-floating bodies (12) are provided with the inclination detection means (40).

6. The floating body foundation (1) according to claim 1, characterized in that the floating body foundation (1) further comprises a reinforcing rod (50), between two adjacent sub-floating bodies (12) the reinforcing rod (50) is connected.

7. Floating body foundation (1) according to any one of claims 1 to 6, characterized in that the regulating element (20) comprises an energy storage tank (21) and a suction member (22), the energy storage tank (21) having a receiving chamber, the suction member (22) being in communication with the receiving chamber and being capable of transporting sea water into the receiving chamber.

8. The floating body foundation (1) according to claim 7, characterized in that the floating body foundation (1) further comprises a cooling module (60), the cooling module (60) comprising a first driver (61) and a heat exchanger (62), the inlet of the heat exchanger (62) being connected with the outlet of each of the energy storage tanks (21), the first driver (61) driving the flow of sea water in the energy storage tanks (21) to the heat exchanger (62) for heat exchange with the component to be cooled.

9. Floating body foundation (1) according to claim 8, characterized in that the cooling module (60) further comprises a plurality of cooling branches (63), each cooling branch (63) being connected to the heat exchanger (62) separately, each cooling branch (63) being connectable to a component to be cooled and guiding a refrigerant of the component to be cooled to the heat exchanger (62) for heat exchange with the seawater.

10. The floating body foundation (1) according to claim 9, characterized in that the cooling branch (63) comprises at least one of a temperature sensor (631), a flow meter (632).

11. The floating body foundation (1) according to claim 7, characterized in that the floating body foundation (1) further comprises a refrigerating component (70), the refrigerating component (70) being connected to the energy storage

-between tank (21) and said suction means (22), said refrigeration means (70) are adapted to cool said seawater delivered by said suction means (22) to said accumulator tank (21).

12. Floating body foundation (1) according to claim 11, characterized in that the floating body foundation (1) further comprises a bypass branch (80), which bypass branch (80) is connected in parallel with the refrigerating component (70), a control valve (81) being provided on the bypass branch (80) for controlling the connection or disconnection of the bypass branch (80).

13. The floating body foundation (1) according to claim 11, characterized in that the heat exchanger (62) comprises an inlet pipe (621) and an outlet pipe (622), the inlet of the inlet pipe (621) being connected to each of the energy storage tanks (21), the outlet of the outlet pipe (622) being connected to the inlet of the refrigerating element (70) so that the seawater after heating in the heat exchanger (62) is cooled by the refrigerating element (70) and returned to the energy storage tanks (21).

14. Floating body foundation (1) according to claim 7, characterized in that the suction means (22) comprise a filter (221) and a second drive (222), the second drive (222) being connected between the filter (221) and the energy storage tank (21).

15. A wind turbine generator set, comprising:

floating body foundation (1) according to any one of claims 1 to 14;

-a tower (2) connected to said main floating body (11).

16. A method of controlling a floating body foundation (1) according to any one of claims 1 to 14, comprising:

acquiring an inclination angle value of the support assembly (10) relative to a reference surface, wherein the reference surface is a horizontal surface or a surface with a preset angle with the horizontal surface;

determining a target position of the adjusting piece (20) to be moved along the connecting body (13) according to the inclination angle value;

the driving piece (30) is controlled to drive the adjusting piece (20) to move to the target position according to the target position so as to adjust the gravity center of the supporting assembly (10).

17. A control device of a floating body foundation (1) according to any one of claims 1 to 14, characterized by comprising:

an acquisition module (100) configured to acquire an inclination angle value of the support assembly (10) with respect to a reference plane, the reference plane being a horizontal plane or a plane having a predetermined angle with the horizontal plane;

calculation module (200): is configured to determine a target position of the adjusting element (20) to be moved along the connecting body (13) according to the inclination angle value;

an adjustment module (300) configured to control the driving member (30) to drive the adjustment member (20) to move to the target position according to the target position, so as to adjust the center of gravity of the support assembly (10).

18. Computer program product, characterized in that instructions in the computer program product, when executed by a processor of an electronic device, cause the electronic device to carry out the control method of the floating body foundation (1) according to claim 16.