CN203158199U - Floating type fan foundation - Google Patents

Abstract

The utility model discloses a floating type fan foundation, relates to the technical field of offshore wind power generation. By means of the floating type fan foundation, objects of an electrical cabinet and the like can be prevented from being mounted in a tower barrel, so that the safety and the convenience for mounting the objects of the electrical cabinet and the like are improved. The floating type fan foundation comprises a vertical column, support frames and floating boxes, wherein the vertical column is fixedly connected with the floating boxes through the support frames; and the floating type fan foundation further comprises protective bins used for accommodating the objects, and the protective bins are arranged in the positions, rather than the position of the vertical column, of the floating type fan foundation.

Description

A floating wind turbine foundation

technical field

The utility model relates to the technical field of offshore wind power generation, in particular to a floating fan foundation.

Background technique

Offshore floating wind turbines are one type of offshore wind turbines. Generally, the offshore floating wind turbine consists of a floating wind turbine foundation and a wind turbine standing on the wind turbine foundation.

As shown in FIG. 1 , it is a floating wind turbine foundation in the prior art, including a column 11 , a support frame 12 and a buoyancy tank 13 , wherein each buoyant tank 13 is correspondingly connected to the column 11 through the support frame 12 . Generally speaking, the foundation area of the floating wind turbine is relatively large, and its occupied area is about 60-70 meters in diameter, so the foundation can float well on the sea surface; ) stands on the column 11 in the middle, so compared with the foundation, the diameter of the tower is smaller, and multiple electrical cabinets such as transformers, converters, water coolers, and control systems are arranged inside the tower.

Offshore floating wind turbines generally work in offshore or deep sea areas with high winds and waves, and wind loads and wave loads always impact the wind turbines. Since the diameter of the tower is generally small, the layout of the electrical cabinets inside the tower is relatively concentrated, so that the tower is loaded and swings more seriously, and the electrical cabinets arranged in the tower are more likely to be damaged, and there is a greater safety hazard. Hidden danger.

Utility model content

The embodiment of the utility model provides a floating fan foundation, so as to avoid installing electrical cabinets and other items in the tower, and improve the safety and convenience of installing electrical cabinets and other items.

In order to achieve the above object, the embodiments of the present utility model adopt the following technical solutions:

A floating fan foundation, including a column, a support frame and a floating box, the column is fixedly connected to the floating box through the support frame, and also includes a protective cabin for storing items, and the protective cabin is located on the The floating fan basically avoids the position of the column.

Preferably, the protection cabin is arranged on the buoyancy tank, on the support frames, or between two adjacent support frames.

In order to make the structure of the protection cabin more stable and better in safety, a support platform is provided between two adjacent support frames, and the protection cabin between the two adjacent support frames is located on the support platform. superior.

Preferably, the protection compartment includes an electrical compartment for storing electrical cabinets, and/or a living compartment for storing daily necessities.

In order to make the connection between the support platform and the support frame more stable and reliable, the support platform and the support frame are connected by welding.

In order to reduce the degree of corrosion of the protective cabin and increase the service life of the protective cabin, the outer surface of the protective cabin is provided with an anti-corrosion coating.

Preferably, the protective compartment is sealed.

Preferably, an anti-shock unit is provided on the protective cabin.

In the floating fan foundation provided by the embodiment of the utility model, since the protective cabin can store items, the electrical cabinet or other items can be placed in the protective cabin, avoiding the installation of the electrical cabinet in the tower. And this protective cabin is located at the position where the upright column is avoided on the basis of the floating fan, so there are many positions where the protective cabin can be established. Therefore, there is no need to install the electrical cabinet in the tower tube, which avoids the problem that the electrical cabinet is easily damaged and has a large potential safety hazard when the electrical cabinet is installed in the tower tube.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

Fig. 1 is a structural schematic diagram of a floating fan foundation in the prior art;

Figure 2a is a schematic structural diagram of the first floating fan foundation provided by the embodiment of the present invention;

Fig. 2b is a schematic structural diagram of the second floating fan foundation provided by the embodiment of the present invention;

Fig. 2c is a schematic structural diagram of the third floating fan foundation provided by the embodiment of the present invention;

Fig. 3 is a schematic structural diagram of the fourth floating fan foundation provided by the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of the fifth floating fan foundation provided by the embodiment of the present invention.

Reference signs: 11-column, 12-support frame, 13-pontoon, 21-column, 22-support frame, 23-pontoon, 24-protection cabin, 31-support platform, 41-electric cabin, 42-life cabin.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

The embodiment of the utility model provides a floating fan foundation, as shown in Figure 2a, Figure 2b and Figure 2c, including a column 21, a support frame 22 and a floating box 23, and the column 21 is fixedly connected to the floating box 23 through the support frame 22 , also includes a protective cabin 24 for storing articles, and the protective cabin 24 is located at the position where the column 21 is avoided on the basis of the floating fan.

The floating fan foundation provided by the embodiment of the utility model can store articles in the protective cabin 24, so that the electrical cabinet or other items can be placed in the protective cabin 24, avoiding the installation of the electrical cabinet in the tower. And this protective cabin 24 is located at the position of avoiding the column 21 on the basis of the floating fan, so there are many positions where the protective cabin 24 can be established. Therefore, there is no need to install the electrical cabinet in the tower tube, which avoids the problem that the electrical cabinet is easily damaged and has a large potential safety hazard when the electrical cabinet is installed in the tower tube.

In the floating wind turbine foundation provided by the above-mentioned embodiments, referring to FIG. 2a, the protection cabin 24 can be arranged on the buoyancy tank 23; or, referring to FIG. 2b, the protection cabin 24 can be arranged on the support frame 22; or, referring to FIG. The cabin 24 can also be arranged between two adjacent supporting frames 22 .

Since the protective cabin 24 can store items, the electrical cabinet or other items can be placed in the protective cabin 24 without installing the electrical cabinet in the tower. And this protective cabin 24 is located on the buoyancy tank 23 or is located on the support frame 22 or is located between two adjacent support frames 22, and the position that can establish the protective cabin 24 is more. Therefore, there is no need to install electrical cabinets in the tower, avoiding the problems of difficult layout, high safety factor, difficult replacement of electrical cabinets when there is a problem, and small working space for personnel when installing electrical cabinets in the tower.

In the floating foundation provided by the above-mentioned embodiment, as shown in FIG. 3 , a support platform 31 may be provided between two adjacent support frames 22, and a protective cabin 24 provided between two adjacent support frames 22 Located on the support platform 31. The support platform 31 can support the protection cabin 24, so that the structure of the protection cabin 24 arranged between two adjacent support frames 22 is more stable and the safety is better.

The form of the support platform 31 is various, as long as it is arranged between two adjacent support frames 22 and plays a supporting role for the protective cabin. For example, the support platform 31 can be a whole steel plate, and the area of the steel plate is larger than the contact area between the protective cabin 24 and the upper surface of the steel plate, so that the supporting platform 31 can better support the protective cabin 24 . Moreover, a channel can also be formed between two adjacent supporting frames 22 to facilitate people to walk. As another example, the support platform 31 can also be made up of several beams, and the two ends of these beams are respectively located on two adjacent support frames 22, thereby forming a support platform 31, which can also support the protective cabin positioned on the upper surface of the beam. 24 plays a supporting role.

Specifically, in order to make the supporting platform 31 more stable, the supporting platform 31 and two adjacent supporting frames 22 can be fixedly connected.

In the floating foundation provided by the above embodiments, as shown in FIG. 4 , the protective compartment 24 may include an electrical compartment 41 for storing electrical cabinets. In this way, various electrical cabinets can be stored in the electrical compartment 41 . Even if the number of electrical cabinets is large, they can all be stored in the electrical compartment 41, and the electrical components in the electrical compartment 41 are electrically connected to the corresponding components in the tower through electrical components such as cables and light.

In the floating foundation provided by the above embodiments, referring to FIG. 4 again, the protective cabin 24 may include a living cabin 42 for storing daily necessities for human habitation. Offshore wind turbines are usually far away from the land, and the wind and waves at sea are relatively large. In case of severe weather or need to solve emergency problems, the staff need to stay on the wind turbines overnight. In the prior art, when the staff maintaining the wind power generating set cannot return to land, they usually have to stay overnight in a small space inside the tower or the engine room. However, there are various electrical cabinets installed in the tower, especially the voltage of the transformer is as high as 35KV, there is a great risk of electric leakage, which can easily cause electric shock and pose a great threat to the life safety of the staff staying in the tower.

In the floating foundation provided by the above embodiments, the protective cabin 24 may also include both the electrical cabin and the living cabin. In this way, the electrical compartment can be used to store various electrical cabinets. The living cabin can be used to store the necessities of life for people to live in. The staff can live in the living cabin 42 under the situation of being unable to return to the land, and the living cabin 42 is far away from the tower, and the living cabin 42 is provided with necessities of life, such as articles such as beds, tables, chairs, electric lights, etc., which can be used for work. Provide a safe and comfortable accommodation environment for personnel.

In the floating foundation provided by the above embodiments, at least one supporting frame 22 may be separated between the living cabin 41 and the electrical cabin 42 . Make the distance between the living cabin 42 and the electrical cabin 41 far, even if the electrical cabin 41 is under the situation of leakage, it can also ensure that the living cabin 42 is far away from the power supply, so that the staff who stay in the living cabin 42 are at the risk of electric shock in a smaller security environment.

In the floating foundation provided by the above embodiments, the support platform 31 and the support frame 22 can be connected by welding. The welding connection can make the connection between the support platform 31 and the support frame 22 stable and reliable.

In the floating foundation provided by the above-mentioned embodiments, referring again to Fig. 2a, Fig. 2b and Fig. 2c, the protective cabin 24 arranged on the buoyant tank 23 can be located on the upper surface of the buoyant tank 23; It may be located on the upper surface of the support frame 22 . Because the volume of the buoyant tank 23 and the support frame 22 is generally large, the side of the buoyant tank 23 or the side of the support frame 22 may also be provided with a protective cabin 23 . However, the wind and waves at sea are relatively large, and the floating foundation may sway or shake. Setting the protective cabin 24 on the upper surface of the buoyancy tank 23 or the upper surface of the support frame 22 can ensure that the safety of the protective cabin 24 is higher. Thereby reducing the probability that the protective cabin 24 will be dangerous when the floating foundation shakes.

In the floating foundation provided by the above embodiments, the outer surface of the protective cabin 24 may be provided with an anti-corrosion coating. When the wind and waves at sea are bigger, inevitably seawater will splash on the outer surface of the protective cabin 24, or when it rains, the outer surface of the protective cabin 24 will also be eroded by rainwater, therefore, the outer surface of the protective cabin 24 is provided with The anti-corrosion coating can reduce the degree of corrosion of the protective cabin 24, thereby increasing the service life of the protective cabin 24.

In the floating foundation provided by the above-mentioned embodiments, the protective cabin 24 can be sealed to prevent fluid or solid particles from flowing into the protective cabin 24, thereby preventing external impurities such as dust and moisture from invading the inside of the article in the protective cabin 24, thereby avoiding the protection of the protective cabin. Components in 24 failed.

In the floating foundation provided by the above embodiments, the protection cabin 24 may be provided with an electric shock prevention unit. The anti-shock unit can prevent the staff in the protective cabin 24 from getting an electric shock and improve safety. For example, the anti-shock unit can be a leakage protection device, which automatically cuts off the power supply when a person gets an electric shock.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Any skilled person familiar with the technical field can easily think of changes within the technical scope disclosed by the utility model Or replacement, all should be covered within the scope of protection of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. A floating fan foundation, comprising a column, a support frame and a floating box, the column is fixedly connected to the floating box through the support frame, it is characterized in that it also includes a protective cabin for storing items, the The protective cabin is arranged on the foundation of the floating fan at a position avoiding the column. 2 . The floating wind turbine foundation according to claim 1 , wherein the protective cabin is arranged on the buoyancy tank, on the support frame, or between two adjacent support frames. 3 . 3. The floating wind turbine foundation according to claim 2, characterized in that a support platform is provided between two adjacent support frames, and the protective cabin between the two adjacent support frames is located on the support platform. 4. The floating wind turbine foundation according to claim 1 or 2, characterized in that, the protective cabin includes an electrical cabin for storing electrical cabinets, and/or a living cabin for storing daily necessities. 5. The floating wind turbine foundation according to claim 3, characterized in that the support platform and the support frame are connected by welding. 6. The floating wind turbine foundation according to claim 1 or 2, characterized in that the outer surface of the protective cabin is provided with an anti-corrosion coating. 7. The floating wind turbine foundation according to claim 1 or 2, characterized in that the protective cabin is sealed. 8. The floating wind turbine foundation according to claim 1 or 2, characterized in that an electric shock protection unit is provided on the protective cabin.

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