Offshore wind condition testing device

Abstract

The utility model belongs to an offshore wind condition testing device in the technical field of offshore wind power. The fan frame (1) is provided with a plurality of fan mounting frame groups from top to bottom, each fan mounting frame group comprises a plurality of fan mounting frames (2), a fan (3) is mounted in each fan mounting frame (2), each fan (3) is connected with a fan motor, each fan motor is connected with a frequency converter, and a plurality of frequency converters are connected with a device control component. The offshore wind regime testing device is simple in structure, and can realize independent control of different fans, so that the offshore wind regime can be simulated more accurately, and reliable data support is provided for design, optimization and performance evaluation of offshore wind power projects.

Description

Technical Field

[0001] The utility model belongs to the technical field of offshore wind power, and more specifically, relates to an offshore wind condition testing device. Background Art

[0002] In current offshore wind condition testing devices, the control of wind turbines often adopts a centralized control method, making it difficult to achieve independent and precise control of multiple wind turbines. This makes it impossible to flexibly adjust the rotational speed and wind direction of each wind turbine when simulating different offshore wind conditions, and it is difficult to truly reflect the complex offshore wind field conditions. This results in a large deviation between the test results and the actual offshore wind conditions, and cannot provide accurate data support for the design and optimization of offshore wind power projects.

[0003] There is a technology with the name "Installation Method and Recovery Method of Offshore Wind Turbines" and the publication (announcement) number "CN102369134B" in the prior art. This technology includes steps of prefabricated foundation, dock installation, shipping, and offshore installation. The foundation provides buoyancy and righting force to keep the overall structure vertical without relying on external forces; the dock installation step includes assembling into a complete machine and completing debugging in the complete machine state; the transportation step includes transporting the complete machine to the offshore site by floating it on water; the offshore installation step includes sinking the complete machine to the seabed by gravity at the offshore site, fixing the foundation, and completing the installation. A method for recovering an offshore wind turbine is also provided, which is basically carried out in the opposite steps of the installation method. It realizes one-step installation or removal of the complete wind turbine, reduces the risk of damage to the complete wind turbine, is easy to operate and has a high success rate, greatly reduces costs, and brings good environmental protection.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is: aiming at the deficiencies of the prior art, to provide an offshore wind condition testing device with a simple structure, which can achieve independent control of different wind turbines, thus more accurately simulating offshore wind conditions and providing reliable data support for the design, optimization, and performance evaluation of offshore wind power projects.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is as follows:

[0007] The utility model is an offshore wind condition testing device, which includes a wind turbine frame. Multiple groups of wind turbine installation grid groups are arranged from top to bottom on the wind turbine frame. Each group of wind turbine installation grid groups respectively includes multiple wind turbine installation grids. One wind turbine is installed in each wind turbine installation grid. Each wind turbine is respectively connected to a wind turbine motor. Each wind turbine motor is respectively connected to a frequency converter. Multiple frequency converters are connected to a device control component.

[0008] Each motor is respectively fixed within the corresponding fan installation grid.

[0009] The described fan frame is arranged below the bearing beam, a rotating motor is installed on the bearing beam, and the rotating motor is connected to a turntable.

[0010] A lifting hook or a connecting screw rod is arranged at the top of the fan frame, and the lifting hook or the connecting screw rod is connected to the turntable.

[0011] The described rotating motor is connected to a device control component.

[0012] The fan frame is provided with five groups of fan installation grid groups from top to bottom, and each group of fan installation grid groups respectively includes five fan installation grids.

[0013] The described bearing beam is arranged on the pool through a left support and a right support.

[0014] The fan frame includes multiple frame cross beams and multiple frame longitudinal beams, and the multiple frame cross beams and the multiple frame longitudinal beams form multiple fan installation grids.

[0015] Adopting the technical solution of the present utility model, the working principle and beneficial effects are as described below:

[0016] For the offshore wind condition testing device described in the present utility model, the fan frame is a component of the testing device. The fan frame is arranged on the pool of the testing device. The fan frame is provided with multiple groups of fan installation grid groups from top to bottom, and each group of fan installation grid groups respectively includes multiple fan installation grids. In this way, one fan can be respectively installed within each fan installation grid. When specifically setting, each fan is respectively connected to a fan motor, each fan motor is respectively connected to a frequency converter, and multiple frequency converters are connected to a device control component. The testing device can precisely control each corresponding fan through each independent frequency converter, can separately control the start and stop and rotation speed of each fan, can also simultaneously control the start and stop and rotation speed of some fans, and can also simultaneously control the start and stop and rotation speed of all fans, so as to simulate various different offshore wind conditions according to the needs of the test experiment. In addition, the testing device is also equipped with a data acquisition and analysis system, which can monitor and analyze the operating state of the fan in real time, providing strong support for the optimization of offshore wind power projects. Description of the Drawings

[0017] The following briefly describes the content expressed by each drawing in this specification and the marks in the drawings:

[0018] Figure 1 It is a schematic structural diagram of the fan frame of the offshore wind condition testing device described in the present utility model;

[0019] Figure 2 It is a schematic structural diagram of the offshore wind condition testing device described in the present utility model;

[0020] Figure 3 This is a partial structural schematic diagram of the fan frame of the offshore wind condition testing device described in the present utility model;

[0021] The labels in the attached drawings are respectively: 1, fan frame; 2, fan installation grid; 3, fan; 5, bearing beam; 6, rotating motor; 7, turntable; 8, left support; 9, right support; 10, water tank; 11, frame cross beam; 12, frame longitudinal beam. Specific embodiments

[0022] The following is a further detailed description of the specific embodiments of the present utility model, such as the shapes, structures, mutual positions and connection relationships of the various components involved, the functions and working principles of each part, etc., with reference to the attached drawings and through the description of the embodiments:

[0023] As shown in the attached Figure 1 - attached Figure 3 As shown in the figure, the present utility model is an offshore wind condition testing device, which includes a fan frame 1. Multiple groups of fan installation grid groups are arranged on the fan frame 1 from top to bottom. Each group of fan installation grid groups respectively includes multiple fan installation grids 2. A fan 3 is installed in each fan installation grid 2. Each fan 3 is respectively connected to a fan motor, each fan motor is respectively connected to a frequency converter, and multiple frequency converters are connected to a device control component. The above structure proposes an improved technical solution for the deficiencies in the prior art. When setting the structure, the fan frame is a component of the testing device. The fan frame is arranged on the water tank of the testing device. Multiple groups of fan installation grid groups are arranged on the fan frame 1 from top to bottom. Each group of fan installation grid groups respectively includes multiple fan installation grids 2. In this way, a fan 3 can be installed in each fan installation grid 2 respectively. When specifically setting, each fan 3 is respectively connected to a fan motor, each fan motor is respectively connected to a frequency converter, and multiple frequency converters are connected to a device control component. In this way, the testing device can precisely control each corresponding fan through each independent frequency converter, and can independently control the start and stop and rotation speed of each fan, or can also control the start and stop and rotation speed of some fans simultaneously, or can also control the start and stop and rotation speed of all fans simultaneously, so as to simulate various different offshore wind conditions according to the needs of the test experiment. In addition, the testing device is also equipped with a data acquisition and analysis system, which can monitor and analyze the operating state of the fan in real time, providing strong support for the optimization of offshore wind power projects. The offshore wind condition testing device described in the present utility model has a simple structure, can realize independent control of different fans, thus more accurately simulating offshore wind conditions, and providing reliable data support for the design, optimization and performance evaluation of offshore wind power projects.

[0024] Each motor is respectively fixed within the corresponding fan installation grid 2. In the above structure, each fan is fixedly connected within the corresponding fan installation grid, and each fan can be individually controlled through the corresponding motor and frequency converter. As needed, partial or full control can also be achieved.

[0025] The described fan frame 1 is arranged below the bearing beam 5. A rotating motor 6 is installed on the bearing beam 5, and the rotating motor 6 is connected to the turntable 7. A hook or connecting screw is provided at the top of the described fan frame 1, and the hook or connecting screw is connected to the turntable 7. In the above structure, the bearing beam is used to connect and hoist the fan frame, realizing the reliable arrangement of the fan frame above the pool. At the same time, by controlling the rotation of the rotating motor 6, the fan frame 1 can be driven to rotate, realizing the adjustment of the wind direction of the fan.

[0026] The described rotating motor 6 is connected to the device control component. In the above structure, the start-stop and rotation direction of the rotating motor are controlled by the device control component, and the wind direction can be flexibly and precisely adjusted as needed.

[0027] The described fan frame 1 is provided with five groups of fan installation grid groups from top to bottom, and each group of fan installation grid groups respectively includes five fan installation grids 2. In the above structure, as an embodiment, 25 fans are provided. According to actual needs, the number of fans can be flexibly increased or decreased.

[0028] The described bearing beam 5 is arranged on the pool 10 through the left support 8 and the right support 9. In the above structure, the bearing beam 5, the left support 8, and the right support 9 form an n-shaped bearing frame, and the bearing frame is arranged at the edge part of the pool, so that the fan frame is located above the water surface of the pool.

[0029] The described fan frame 1 includes multiple frame cross beams 11 and multiple frame longitudinal beams 12, and the multiple frame cross beams 11 and the multiple frame longitudinal beams 12 form multiple fan installation grids 2. In the above structure, the overall fan frame has high structural strength, effectively bears the fan, and limits the position of the fan.

[0030] For the offshore wind condition testing device described in the present utility model, in terms of its structural arrangement, the fan frame is a component of the testing device. The fan frame is arranged above the water tank of the testing device. Multiple groups of fan installation grid groups are provided on the fan frame 1 from top to bottom. Each group of fan installation grid groups respectively includes multiple fan installation grids 2. In this way, one fan 3 can be installed in each fan installation grid 2 respectively. When specifically arranged, each fan 3 is respectively connected to a fan motor, each fan motor is respectively connected to a frequency converter, and multiple frequency converters are connected to the device control component. In this way, the testing device can precisely control each corresponding fan through each independent frequency converter, can independently control the start-stop and rotation speed of each fan, can also control the start-stop and rotation speed of some fans simultaneously, and can also control the start-stop and rotation speed of all fans simultaneously, so as to simulate various different offshore wind conditions according to the needs of the test experiment. In addition, the testing device is also equipped with a data acquisition and analysis system, which can monitor and analyze the operating state of the fan in real time, providing strong support for the optimization of offshore wind power projects.

[0031] The present utility model has been described exemplarily above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned manner. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or the concept and technical solution of the present utility model are directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. An offshore wind condition testing device, characterized in that: It includes a fan frame (1). Multiple groups of fan installation grid groups are arranged on the fan frame (1) from top to bottom. Each group of fan installation grid groups respectively includes multiple fan installation grids (2). One fan (3) is installed in each fan installation grid (2). Each fan (3) is respectively connected to a fan motor. Each fan motor is respectively connected to a frequency converter. Multiple frequency converters are connected to a device control component.

2. The offshore wind condition testing device according to claim 1, characterized in that: Each motor is respectively fixed in the corresponding fan installation grid (2).

3. The offshore wind condition testing device according to claim 1 or 2, characterized in that: The fan frame (1) is arranged below a bearing beam (5). A rotating motor (6) is installed on the bearing beam (5). The rotating motor (6) is connected to a turntable (7).

4. The offshore wind condition testing device according to claim 3, wherein: A hook or a connecting screw rod is arranged at the top of the fan frame (1). The hook or the connecting screw rod is connected to the turntable (7).

5. The offshore wind condition testing device according to claim 3, wherein: The rotating motor (6) is connected to the device control component.

6. The offshore wind condition testing device according to claim 1 or 2, characterized in that: Five groups of fan installation grid groups are arranged on the fan frame (1) from top to bottom. Each group of fan installation grid groups respectively includes five fan installation grids (2).

7. The offshore wind condition testing device according to claim 3, wherein: The bearing beam (5) is arranged on a pool (10) through a left support (8) and a right support (9).

8. The offshore wind condition testing device according to claim 1 or 2, characterized in that: The fan frame (1) includes multiple frame cross beams (11) and multiple frame longitudinal beams (12). The multiple frame cross beams (11) and the multiple frame longitudinal beams (12) form multiple fan installation grids (2).

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