TWM628541U - Buoyant offshore wind turbine - Google Patents

Abstract

A floating body type offshore fan comprises: a fan unit and a box anchor unit. The fan unit includes a fan body and a floating base. The main body of the fan has a strut and a blade module connected to the top of the strut. The floating base is connected to the bottom end of the support column to support the main body of the fan to float on the water surface. The box anchor unit includes a carrier and a plurality of anchor cables connecting the carrier and the floating base. The carrier has a box and a limiting hole defined by the box for the floating base to penetrate and limit. The box body has a plurality of accommodating spaces and a plurality of water filling ports respectively connected to the accommodating spaces. When the accommodating spaces are not filled with water, the carrier can float on the water surface, and the carrier can float on the water surface after the accommodating spaces are filled with water. Can sink to the seabed.

Description

Floating Offshore Fan

The new model relates to a wind power generation device, in particular to a floating body type offshore fan.

At present, there are two types of offshore wind turbines: fixed type located in the offshore and floating type located in the deep sea. Among them, the floating type offshore wind turbine uses the floating body structure as the base of the wind turbine, so that the wind turbine can float on the water surface. One type of buoyant structure is an upright columnar structure, that is, a columnar buoy (Spar-buoy). Light, simple structure, easy to produce, and good stability.

However, because of the long overall structure, the floating type offshore wind turbine using the column pontoon can usually only be installed in the area where the water depth exceeds 100 meters, and because the water depth of the wharf in the general port is about 10 meters, the floating body type cannot be directly separated from the water. The shore wind turbine is erected in the water and then towed to the installation site in the deep sea. However, if the floating type offshore wind turbine is transported to the installation site in the deep sea by ship, due to the large size and heavy weight of the floating type offshore wind turbine, it is not easy for the ship to hoist the floating type offshore wind turbine to the offshore installation in the deep sea. Therefore, at present, it is difficult to transport the floating offshore wind turbine from the shore to the installation site in the deep sea, and it is difficult to implement the installation process at the installation site and to locate the floating offshore wind turbine at the installation site.

Therefore, one purpose of the present invention is to provide a floating body type offshore wind turbine that is more convenient for transportation, installation and positioning at sea.

Therefore, in some implementation aspects, the novel floating body type offshore fan includes: a fan unit and a box anchor unit. The fan unit includes a fan body and a floating base. The main body of the fan has a strut and a blade module connected to the top of the strut. The floating base is connected to the bottom end of the support column to support the main body of the fan to float on the water surface. The box anchor unit includes a carrier and a plurality of anchor cables connecting the carrier and the floating base. The carrier has a box and a limiting hole defined by the box for the floating base to penetrate and limit. The box body has a plurality of accommodating spaces and a plurality of water filling ports respectively connected to the accommodating spaces. When the accommodating spaces are not filled with water, the carrier can float on the water surface, and the carrier can float on the water surface after the accommodating spaces are filled with water. Can sink to the seabed.

In some embodiments, the bottom of the floating base is provided with weights.

In some embodiments, the floating base extends in a column shape opposite to the support column with a decreasing cross-sectional area and is coaxial with the support column.

In some embodiments, the box body further has a box bottom surface, a box top surface, an outer peripheral surface, and a recessed groove relative to the box top surface and the outer peripheral surface. The box body is pivotally connected to a plurality of side guards corresponding to the slot, and each of the side guards can be in a folded position located in the slot and stacked on the box body and unfolded at a unfolded position outside the box body The position is pivoted and has an outer ramp that slopes upward in the deployed position.

In some embodiments, the wall surface defining the groove includes a box slope connecting the box top surface and a first-step surface connecting the box slope and the outer peripheral surface, and each of the side guards further has a support surface and a side surface. and an abutting surface, the supporting surface is coplanar with the top surface of the box when in the folded position and coplanar with the bottom surface of the box when the unfolded position is in the unfolded position, and the side and the outer slope are respectively connected to the opposite sides of the supporting surface And the side surface is adjacent to the outer peripheral surface in the unfolded position, the abutting surface connects the side surface and the outer inclined surface and is located on the opposite side of the support surface, in the folded position, the outer inclined surface abuts against the box inclined surface and the The abutting surface abuts against the stepped surface.

In some implementation aspects, the carrier also has a plurality of fixing piles connected to the box.

In some embodiments, the box anchor unit further includes a plurality of warning modules respectively disposed corresponding to the accommodating spaces, each of the warning modules has a floating body that can float on the water surface, is disposed on the floating body and can A warning light that emits light, and a hose that connects the floating body and the box and communicates with the corresponding accommodating space, the hose is used to connect an air pump to inflate to the corresponding accommodating space to make the container Drain the space.

In some embodiments, the box is made primarily of concrete.

The utility model has the following functions: the carrier can float on the water surface to carry the fan unit in the horizontal state and the fan unit in the auxiliary vertical state to keep vertical during towing, and can sink to the seabed after water is injected at the installation site , and the floating body type offshore fan is easy to transport and install, the overall installation process is simple, convenient, time-saving and labor-saving, and the fan unit can be anchored at the installation location, greatly reducing the risk of anchoring.

Referring to FIG. 1 to FIG. 4 , an embodiment of the novel floating type offshore fan includes a fan unit 1 and a box anchor unit 2 .

The fan unit 1 includes a fan body 11 and a floating base 12 . The main body 11 of the fan has a pillar 111 and a blade module 112 connected to the top of the pillar 111 . The floating base 12 is connected to the bottom end of the support column 111 to support the fan body 11 to float on the water surface W. The bottom of the floating base 12 is provided with a counterweight 121 so that the center of gravity of the entire fan unit 1 is lower than the center of buoyancy in water. In the present embodiment, the floating base 12 extends in a column shape opposite to the column 111 with a decreasing cross-sectional area and is coaxial with the column 111 .

The box anchor unit 2 includes a carrier 3 , a plurality of anchor cables 4 and a plurality of warning modules 5 connecting the carrier 3 and the floating base 12 .

The carrier 3 has a box body 31 , a limiting hole 32 defined by the box body 31 for the floating base 12 to penetrate and limit, a plurality of side guards 33 and a plurality of fixing piles 34 . The box body 31 has a plurality of accommodating spaces 311 , a plurality of water injection ports 312 respectively communicating with the accommodating spaces 311 , a box bottom surface 313 , a box top surface 314 , and an outer peripheral surface 315 . 314 and a groove 316 in which the outer peripheral surface 315 is concave. The wall defining the groove 316 includes a box slope 316 a connecting the box top surface 314 and a first-step surface 316 b connecting the box slope 316 a and the outer peripheral surface 315 . The side guards 33 are pivotally connected to the box body 31 and correspond to the notch 316 , and the side guards 33 can be located in the notch 316 and stacked on the box body 31 in a folded position (as shown in FIG. 3 ). shown) and pivoted to a deployed position (as shown in FIG. 4 ) outside the box body 31 , and has a support surface 331 , a side surface 332 , an outer inclined surface 333 and an abutting surface 334 . The support surface 331 is coplanar with the case top surface 314 in the collapsed position and coplanar with the case bottom surface 313 in the deployed position. The side surface 332 and the outer inclined surface 333 are respectively connected to opposite sides of the support surface 331 , and in the unfolded position, the side surface 332 is adjacent to the outer peripheral surface 315 , and the outer inclined surface 333 is inclined upward. The abutting surface 334 connects the side surface 332 and the outer inclined surface 333 and is located on the opposite side of the supporting surface 331 . In the folded position, the outer inclined surface 333 abuts against the box inclined surface 316 a and the abutting surface 334 abuts against the supporting surface 331 . Step surface 316b.

When the accommodating spaces 311 are not filled with water, the carrier 3 can float on the water surface W, and the side guards 33 are located in the retracted position, so that the carrier 3 can be used to carry the fan unit 1 in a lying state, In order to carry the fan unit 1 in the shallow sea to move to the assembly location where the working platform is easy to carry out the hanging operation, and for the floating base 12 of the fan unit 1 in the upright state to penetrate and be limited to the limit hole 32 to assist the The fan unit 1 remains upright during the movement from the assembly site to the installation site in the deep sea. After the accommodating spaces 311 are filled with water, the carrier 3 can sink to the seabed SF by the action of gravity, and after being located on the seabed SF, the side guards 33 can be moved to the unfolded position by the action of the water flow. The outer slope 333 of the retaining block 33 can prevent the water flow from scouring and hollowing out the seabed SF at the bottom of the carrier 3 . By connecting the carrier 3 and the floating base 12 with the anchor cables 4, the fan unit 1 can be positioned without drifting with the sea current. In this embodiment, the box body 31 is mainly made of concrete and is resistant to corrosion. The total volume of the accommodating spaces 311 is about 80% of the total volume of the box body 31 , so that the box body 31 can be filled with water when the box body 31 is not filled with water. Floating on water W.

In this embodiment, the box body 31 also has a plurality of channels 317 for the fixing piles 34 to pass through. The fixing piles 34 are connected to the box body 31 and can be inserted into the seabed by the gravity of the carrier 3 . SF to increase the positioning effect of the carrier 3 on the seabed SF. For the specific method of arranging the fixed piles 34, reference may be made to the gravity pile arrangement method disclosed in Taiwan Patent Application No. 104116459.

The warning modules 5 are respectively disposed corresponding to the accommodating spaces 311 , each of the warning modules 5 has a floating body 51 that can float on the water surface W, a warning light 52 that is disposed on the floating body 51 and can emit light, and A hose 53 is connected to the floating body 51 and the box body 31 and communicated with the corresponding accommodating space 311 . The hose 53 is used for connecting an air pump (not shown) to inflate the corresponding accommodating space 311 to drain the accommodating space 311 . Specifically, the box body 31 also has a plurality of drainage ports (not shown) corresponding to the accommodating spaces 311 respectively. When the accommodating spaces 311 are to be drained to make the carrier 3 float, a boat can be used. The air pump is transported to connect the hoses 53 to drain the accommodating spaces 311 . The warning lights 52 can prevent nearby ships from colliding with the wind turbine unit 1 at night.

Referring to FIG. 1, FIG. 2 and FIG. 5, the installation method of this embodiment is described, and the steps include:

Step S1, the fan unit 1 is placed on the carrier 3 in a horizontal manner, and the carrier 3 is floated on the water surface to carry the fan unit 1 and towed from the shore to the offshore assembly site;

In step S2, the fan unit 1 is vertical at the assembly site, and the floating base 12 is stretched and limited to the limiting hole 32, so that the fan unit 1 is vertically combined with the carrier 3 on the side. together; and

Step S3, the carrier 3 floating on the water surface W and the vertical fan unit 1 are towed from the assembly site to the installation site in the deep sea, and the box 31 of the carrier 3 is filled with water at the installation site, so that the The carrier 3 is lowered to the seabed SF to position the fan unit 1 at the installation site by the box anchor unit 2 .

Specifically, when on land, the fan unit 1 can first be placed and fixed on the carrier 3 in a horizontal manner, the fan unit 1 can be divided into multiple sections to shorten the length and placed on the carrier 3, or the entire unit can be directly horizontally placed on the carrier 3. Lie down, no limit. The anchor cables 4 can connect the carrier 3 and the floating base 12 when the fan unit 1 is lying on the carrier 3 , and the warning modules 5 can be placed on the carrier 3 . Alternatively, the anchor cables 4 can also be connected to the carrier 3 and the floating base 12 at the assembly site, and the warning modules 5 can also be assembled with the carrier 3 at the assembly site. When in the wharf in the port, the carrier 3 carrying the fan unit 1 in the lying state is moved from the wharf to the water surface W in the port, the fan unit 1 is carried by the carrier 3 to float on the water surface W, and then towed by a boat The carrier 3 is sailed, and the carrier 3 is moved to an assembly site near the sea.

The water depth of the assembly site is about 60 meters, and the fan unit 1 can be erected and assembled by using a working platform that can be fixed on the seabed SF, and the floating base 12 can be penetrated and limited to the limit of the carrier 3 . Bit hole 32 . With the assistance of the carrier 3, the fan unit 1 can be kept upright without falling over when the seawater depth is insufficient. After the assembly is completed at the assembly site, the carrier 3 and the vertical fan unit 1 are towed by a boat to move to the installation site.

The water depth of the installation site is not less than 60 meters. The overall length of the fan unit 1 can determine a suitable installation site for the water depth, which can ensure that the fan unit 1 itself remains vertically floating on the water surface W. After arriving at the predetermined installation location, seawater can be injected into the accommodating spaces 311 to increase the weight of the carrier 3, and the carrier 3 can be slowly sunk to the seabed SF by using gravity greater than buoyancy. The anchor cables 4 One end of the sunk down together with the stage 3 . The floating base 12 can be fixed by the carrier 3 being fixed on the seabed SF and the anchor cables 4 connecting the carrier 3 and the floating base 12 . The overall installation process is simple, convenient, time-saving and labor-saving, and the fan unit 1 can be anchored at the installation location, thereby greatly reducing the risk of flow anchors.

To sum up, the carrier 3 can float on the water surface to carry the fan unit 1 in the lying state and the fan unit 1 in the auxiliary vertical state to remain vertical during towing, and can sink after water is injected at the installation site. To the seabed SF, so that the floating body type offshore fan is easy to transport and install, the overall installation process is simple, convenient, time-saving and labor-saving, and the fan unit 1 can be accurately anchored at the installation site, which greatly reduces the anchorage. risk.

However, the above are only examples of the present invention, which should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the patent application for this new model and the contents of the patent specification are still within the scope of the present invention. within the scope of this new patent.

1: Fan unit 11: Fan body 111: Pillar 112: Blade module 12: Floating base 121: Counterweight 2: Box anchor unit 3: Carrier 31: Box 311: accommodating space 312: water injection port 313: Bottom of the box 314: Box top surface 315: Peripheral surface 316: Missing slot 316a: Box slope 316b: Step face 317: Channel 32: Limit hole 33: Side guards 331: Support surface 332: Side 333: External Bevel 334: Abutment Surface 34: Fixed pile 4: Anchor cable 5: Warning module 51: Floating Body 52: Warning light 53: Hose S1: Step S2: Step S3: Step SF: Seabed W: water surface

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: Fig. 1 is the schematic diagram of the embodiment of the novel floating body type offshore fan unit in the state of the floating auxiliary support fan unit on the carrier; Fig. 2 is the schematic diagram of this embodiment in the state where the carrier is settled on the seabed and the fan unit is anchored; Fig. 3 is the perspective schematic diagram of the side guard of the carrier platform of this embodiment in the folded position; FIG. 4 is a schematic perspective view of the side guards of the stage of the embodiment in the deployed position; and FIG. 5 is a block diagram illustrating the steps of the installation method of this embodiment.

1: Fan unit

11: Fan body

111: Pillar

112: Blade module

12: Floating base

121: Counterweight

2: Box anchor unit

3: Carrier

31: Box

313: Bottom of the box

314: Box top surface

315: Peripheral surface

316: Missing slot

33: Side guards

34: Fixed pile

4: Anchor cable

5: Warning module

51: Floating Body

52: Warning light

53: Hose

SF: Seabed

W: water surface

Claims (8)

A floating body type offshore fan, comprising: A fan unit includes a fan body and a floating base. The fan body has a support column and a blade module connected to the top of the support column. The floating base is connected to the bottom end of the support column to support the fan body. float on water; and A box anchor unit includes a carrier and a plurality of anchor cables connecting the carrier and the floating base, the carrier has a box and is defined by the box for the floating foundation to penetrate and limit A limit hole in the position, the box body has a plurality of accommodating spaces and a plurality of water injection ports respectively connected to the accommodating spaces, the carrier can float on the water surface when the accommodating spaces are not filled with water, and the accommodating spaces are not filled with water. The carrier can sink to the seabed after the installation space is filled with water. The floating type offshore wind turbine according to claim 1, wherein the bottom of the floating base is provided with a counterweight. The floating type offshore wind turbine according to claim 1, wherein the floating base extends in a direction opposite to the pillar in a column shape with a gradually decreasing cross-sectional area and is coaxial with the pillar. The floating type offshore fan according to claim 1, wherein the box body further has a box bottom surface, a box top surface, an outer peripheral surface, and a recessed groove relative to the box top surface and the outer peripheral surface, The carrier also has a plurality of side guards pivotally connected to the box body and corresponding to the notch. A deployed position on the outside of the box body pivots and has an outer slope inclined upward in the deployed position. The floating type offshore fan of claim 4, wherein the wall surface defining the groove includes a box slope connecting the box top surface and a first-step surface connecting the box slope and the outer peripheral surface, and each of the side guards also further It has a supporting surface, a side surface and an abutting surface, the supporting surface is coplanar with the top surface of the box in the folded position and coplanar with the bottom surface of the box in the unfolded position, and the side surface is respectively connected with the outer inclined surface Opposite sides of the support surface and the side surface is adjacent to the outer peripheral surface in the unfolded position, the abutting surface connects the side surface and the outer inclined surface and is located on the opposite side of the support surface, and the outer inclined surface is in the collapsed position against the outer peripheral surface The abutting surface is abutted against the inclined surface of the box and the abutting surface is abutted against the stepped surface. The floating body type offshore wind turbine according to claim 1, wherein the carrier also has a plurality of fixed piles connected to the box. The floating body type offshore wind turbine according to claim 1, wherein the box anchor unit further comprises a plurality of warning modules respectively corresponding to the corresponding accommodation spaces, and each warning module has a floating body that can float on the water surface, A warning light is provided on the floating body and can emit light, and a hose is connected with the floating body and the box body and communicated with the corresponding accommodation space. The hose is used to connect an air pump to inflate to the corresponding The accommodating space makes the accommodating space drain. The floating body type offshore fan according to claim 1, wherein the casing is mainly made of concrete.

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