CN110107458B - A permeable breakwater based on a new foundation that takes into account wind and wave power generation - Google Patents

Abstract

The invention belongs to the technical field of ocean, and provides a permeable breakwater capable of generating electricity by wind and waves based on a novel foundation. The invention has the beneficial effects that: 1) The energy conversion function of wave energy power generation is utilized to dissipate energy, wave load borne by the structure is reduced, the wave-blocking wing plates block waves from entering ports, and the wave height after the embankment is reduced; 2) Allows the water quality exchange inside and outside the port, and is environment-friendly; 3) The wind energy and wave energy power generation device are combined, so that the utilization efficiency of ocean space resources can be effectively improved; 4) The wave energy power generation system power transformation device is positioned in the interior above the water surface of the novel foundation, so that the maintenance and the repair are convenient; 4) The structure is prefabricated, and compared with a single pile, the steel consumption is less, so that the engineering cost is reduced, and the investment is saved; 5) The installation is convenient, safe and time-saving, the installation noise is low, the noise is not required to be reduced, and the land maintenance is easy to dismantle and pull back; 6) Can adapt to various geological environments and water depth conditions.

Description

A permeable breakwater based on a new foundation that takes into account wind and wave power generation

Technical field

The invention belongs to the field of marine technology and relates to a permeable breakwater, and in particular to a permeable breakwater based on a new type of foundation that takes into account wind and wave power generation.

Background technique

As the world's energy and environmental problems become increasingly prominent, wind energy and wave energy, as the most promising marine renewable energy sources, are receiving more and more attention. Existing power energy systems are basically discrete systems that utilize wind energy and wave energy respectively.

With the development of society, the advancement of science and technology, and the increasing prosperity of international trade, ocean engineering is also constantly developing towards deep water. In addition, the construction of marine ecological civilization has been strengthened in recent years. Traditional forms of breakwaters such as slope embankments and vertical embankments have many shortcomings in the face of these changes.

According to wave theory, wave energy is mainly concentrated in the upper layer of the water body, and more than 90% of the wave energy is concentrated in the range of 2-3 times the wave height of the water surface.

In view of the needs of society and the characteristics of wave energy distribution, research on new breakwater structures such as permeable structures has received more and more attention. Fully combining wind energy and wave energy power generation devices can effectively improve the utilization efficiency of marine space resources; combining wind energy and wave energy power generation devices with new permeable breakwaters, diversified and comprehensive utilization can effectively reduce the cost of a single device. Construction costs, improve the economy of the overall system, and effectively promote industrialization; and the energy conversion effect of wave energy power generation can reduce the wave load acting on the breakwater structure, thereby achieving the effect of killing two birds with one stone and getting twice the result with half the effort.

Contents of the invention

The purpose of the present invention is to optimize the structure of a permeable breakwater, take into account wind energy and wave energy power generation, and provide a permeable breakwater based on a new foundation that takes into account wind and wave power generation. The invention utilizes the energy conversion effect of wave power generation to dissipate energy, reducing the wave load on the structure, and the wave-blocking wings block waves from entering the harbor, reducing the wave height behind the embankment; the invention allows the exchange of water quality inside and outside the harbor, and is friendly to the ecological environment; The invention combines wind energy and wave energy power generation devices, which can effectively improve the utilization efficiency of marine space resources; the wave energy power generation system of the invention is located inside the new foundation above the water surface, which is convenient for maintenance and repair; the structure of the invention is prefabricated, compared with A single pile uses less steel, thus reducing the project cost and saving investment; the invention is convenient, safe and time-saving to install, has low installation noise and does not require noise reduction, and is easy to dismantle and tow back to land for maintenance; the invention can adapt to a variety of geological environments and water depth conditions .

Technical solution of the present invention:

A permeable breakwater based on a new foundation that takes into account wind and wave power generation, including a wind power generation system, a wave energy power generation system, a power transmission system and a new type of foundation;

The wind power generation system includes blades 1, wind turbine 2 and tower 3; the wind turbine 2 is a megawatt horizontal axis wind turbine, which is connected to the top of the new foundation cylindrical tube 15 through the tower 3 , the number of blades 1 is set according to wind conditions;

The wave energy power generation system includes a wave-absorbing rocking plate 4, a horizontal axis 5, a cam mechanism 6, a transmission rod 7, a guide ring 8, a hydraulic cylinder 9, a piston 10, a hydraulic oil pipe 11, a control system 12 and a hydraulic generator 13; The horizontal axis 5 is fixedly connected to the wave elimination rocking plate 4, the lower end of the transmission rod 7 is connected to the horizontal axis 5 through the cam mechanism 6, and its upper end is fixedly connected to the piston 10 of the hydraulic cylinder 9 located inside the upper end of the cylindrical tube 15; located above the horizontal axis 5 and the area below the hydraulic cylinder 9, several horizontal guide rings 8 are evenly distributed, the outer diameter of the guide ring 8 is fixed on the inner wall of the cylindrical tube 15, the inner diameter of the guide ring 8 is the same as the outer diameter of the transmission rod 7; the hydraulic cylinder 9 and The hydraulic generator 13 is connected through a hydraulic oil pipe 11; each transmission rod 7 is equipped with a set of hydraulic cylinder 9 and its piston 10 and hydraulic oil pipe 11; the hydraulic cylinder 9, the hydraulic oil pipe 11 and the hydraulic generator 13 form a hydraulic circuit; when eliminating When the wave shaking plate 4 rotates around the horizontal axis 5, the cam mechanism 6 converts the rotation of the wave shaking plate 4 around the horizontal axis 5 into an up and down reciprocating linear motion of the transmission rod 7; the transmission rod 7 drives the piston 10 in the hydraulic cylinder 9, and then The motion is transmitted to the hydraulic generator 13 through the hydraulic oil pipe 11, and the hydraulic generator 13 is driven to generate electricity; the control system 12 adjusts the generation damping of the wave energy power generation system according to the real-time monitored wave condition parameters.

The wave elimination rocking plate 4 and the horizontal axis 5 are connected by welding.

The transmission rod 8 and the piston 10 are connected by welding.

The hydraulic cylinder 9 and the piston 10 are sealed with a sealing ring.

The power transmission system 14 is connected to the wind turbine 2 and the hydraulic generator 13 through cables, and is connected to various electrical equipment on the breakwater; the power transmission system 14 passes the power generated by the wind energy generation system and the wave energy generation system through a set of Shared grid connection facilities deliver power to the shore and provide power for facilities on the breakwater;

The new foundation includes a cylindrical tube 15, a suction tube 16, a wave deflector 17 and a connecting rod 18; the top of the cylindrical tube 15 is connected to the bottom of the tower 3 of the wind power generation system, and a wave energy power generation system is arranged inside the part above the water surface. , the bottom end of the cylindrical tube 15 is connected to the top of the suction tube 16; the underwater part of the cylindrical tube 15 is welded with a number of wave-blocking wings 17, and the number of the wave-proof wings 17 is set according to the wave conditions; connecting rods are welded between each cylindrical tube 15 Part 18 improves the overall stability; the suction cylinder 16 is inserted and fixed on the seabed 19 under the action of gravity when discharging the internal water body through the weight of itself and above components; the length of the suction cylinder 16 can be set according to the geological environment and engineering conditions.

The beneficial effects of the present invention: 1) The energy conversion effect of wave energy power generation is used to dissipate energy, which reduces the wave load on the structure, and the wave deflector blocks waves from entering the harbor, reducing the wave height behind the embankment; 2) Allows the exchange of water quality inside and outside the harbor, Ecologically friendly; 3) Combining wind energy and wave energy power generation devices can effectively improve the utilization efficiency of marine space resources; 4) The wave energy power generation system substation device is located inside the new foundation above the water surface, which is convenient for maintenance and Maintenance; 4) The structure is prefabricated, which uses less steel than a single pile, thereby reducing the project cost and saving investment; 5) The installation is convenient, safe and time-saving, the installation noise is low and no noise reduction is required, and it is easy to dismantle and tow back to land for maintenance; 6 ) can adapt to a variety of geological environments and water depth conditions.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention;

Figure 2 is a schematic diagram of the new foundation arranged in a triangle;

Figure 3 is a schematic diagram of the new foundation arranged in a plum blossom shape;

Figure 4 is a side view of the structure when the new foundation is arranged in a triangle;

Figure 5 is a side view of the structure when the new foundation is arranged in a plum blossom shape;

Figure 6 is a partially enlarged schematic diagram of the wave energy power generation system;

In the picture: 1 blade; 2 wind turbine; 3 tower; 4 wave-absorbing rocking plate; 5 horizontal axis; 6 cam mechanism; 7 transmission rod; 8 guide ring; 9 hydraulic cylinder; 10 piston; 11 hydraulic oil pipe; 12 control System; 13 hydraulic generator; 14 power transmission system; 15 cylindrical tube; 16 suction tube; 17 wave deflector; 18 connecting rod; 19 seabed.

Detailed ways

The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions (and drawings).

As shown in Figure 1, a permeable breakwater of the present invention based on a new type of foundation that takes into account wind and wave power generation includes a wind power generation system, a wave energy power generation system, a power transmission system and a new type of foundation.

In this embodiment, blades 1 are installed on the rotating shaft of the wind turbine 2 of the wind power generation system; the wind turbine 2 is a megawatt horizontal axis wind turbine, which connects the tower 3 and the cylinder of the new foundation The top of the tube 15 is connected, and the number of blades 1 can be set according to wind conditions.

In this embodiment, the horizontal axis 5 of the wave energy power generation system is fixedly connected to both ends of the wave-absorbing rocking plate 4. The lower end of the transmission rod 7 is connected to the horizontal axis 5 through the cam mechanism 6, and the upper end is connected to the upper end of the cylindrical tube 15. The piston 10 of the hydraulic cylinder 9 is fixedly connected; several horizontal guide rings 8 are evenly distributed above the horizontal axis 5 and below the hydraulic cylinder 9. The outer diameter of the guide ring 8 is fixed in the cylindrical tube 15, and the inner diameter is consistent with the outer diameter of the transmission rod 7 Same; the hydraulic cylinder 9 and the hydraulic generator 13 are connected through the hydraulic oil pipe 11; each transmission rod 7 is equipped with a set of hydraulic cylinder 9 and its piston 10 and the hydraulic oil pipe 11; the hydraulic cylinder 9, the hydraulic oil pipe 11 and the hydraulic generator 13 are composed of A hydraulic circuit; when the wave elimination rocking plate 4 rotates around the horizontal axis 5, the cam mechanism 6 can convert the rotation of the wave elimination rocking plate 4 around the horizontal axis 5 into an up and down reciprocating linear motion of the transmission rod 7; the transmission rod 7 drives the hydraulic cylinder The piston 10 in 9 then transmits the motion to the hydraulic generator 13 through the hydraulic oil pipe 11, driving the hydraulic generator 13 to generate electricity; the control system 12 adjusts the generation damping of the wave energy power generation system according to the real-time monitored wave condition parameters.

In this embodiment, the wave elimination rocking plate 4 and the horizontal axis 5 are connected by welding.

In this embodiment, the transmission rod 8 and the piston 10 are connected by welding.

In this embodiment, the hydraulic cylinder 9 and the piston 10 are sealed with a sealing ring.

In this embodiment, the power transmission system 14 is connected to the wind turbine and the hydraulic generator through cables, and is connected to various electrical equipment on the breakwater. The power transmission system 14 transmits the power generated by the wind power generation system and the wave power generation system to the shore through a set of shared grid-connected facilities, and provides power for facilities on the breakwater.

In this embodiment, the top of the cylindrical tube 15 of the new foundation is connected to the bottom of the tower 3 of the wind power generation system. The wave energy power generation system is arranged inside the upper end above the water surface. The bottom of the cylindrical tube 15 is connected to the top of the suction tube 16; the cylindrical tube 15. A number of wave-blocking wings 17 are welded to the underwater part. The number of wave-blocking wings 17 can be set according to the wave conditions; the connecting rods 18 between the cylindrical tubes 15 are welded to improve the overall stability; the suction tube 16 passes through itself and the above components. Weight, when discharging the internal water body, it is inserted and fixed on the seabed 19 under the action of gravity. The length of the suction tube 16 can be set according to the geological environment and engineering conditions.

In this embodiment, the new foundation is arranged in a triangle (Figure 2) or quincunx shape (Figure 3). Both arrangements can allow the rear foundation to give way to the wave shielding range of the front foundation, maximizing the benefits of wave energy generation. When the new foundation is arranged in a triangle, only the wind power generation system is arranged on the rear foundation, and the wave energy generation system is no longer arranged, as shown in Figure 4; when the new foundation is arranged in a plum blossom shape, the wave energy generation system can be arranged according to the actual wave conditions. Necessity and form, as shown in Figure 5.

The working principle of the present invention is: when waves cause the wave-dissipating rocking plate 4 to rotate around the horizontal axis 5, the cam mechanism 6 can convert the rotation of the wave-dispersing rocking plate 4 around the horizontal axis 5 into the up and down reciprocating linear motion of the transmission rod 7; the transmission rod 7 drives the piston 10 in the hydraulic cylinder 9, and then transmits the motion to the hydraulic generator 13 through the hydraulic oil pipe 11, and drives the hydraulic generator 13 to generate electricity; the energy conversion of wave energy power generation dissipates energy and reduces the wave load on the structure. Moreover, the wave-blocking wing 17 blocks waves from entering the harbor and reduces the wave height behind the embankment; the wave energy power generation system is located inside the new-type foundation cylindrical tube 15 above the water surface, which is convenient for maintenance and repair; the upper wind drives the blade 1 of the wind power generation system to rotate, driving The wind turbine 2 generates electricity; the power transmission system 14 is connected to the wind turbine 2 and the hydraulic generator 13 through cables, and is connected to various electrical equipment on the breakwater. The power transmission system 14 transmits the power generated by the wind power generation system and the wave power generation system to the shore through a set of shared grid-connected facilities, and provides power for facilities on the breakwater. The top of the cylindrical tube 15 of the new foundation is connected to the bottom of the tower 3 of the wind power generation system, and the bottom is connected to the top of the suction tube 16; the underwater part of the cylindrical tube 15 is welded with a number of wave-blocking wings 17, the number of which can be set according to the wave conditions; The welded connecting rods 18 between the cylindrical tubes 15 improve the overall stability; the suction tube 16 is inserted and fixed on the seabed 19 under the action of gravity when discharging the internal water body through the weight of itself and above components. The length of the suction tube 16 can be determined according to the geology Environmental and engineering situation settings.

The present invention not only has a prefabricated structure and uses less steel than a single pile, thereby reducing the project cost and saving investment; it is convenient, safe and time-saving to install, has low installation noise and does not require noise reduction, and is easy to dismantle and tow back to land for maintenance; and can be adapted to multiple geological environment and water depth conditions.

Although the embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention is not limited to the above-mentioned specific embodiments and application fields. The above-mentioned specific embodiments are only illustrative and instructive, rather than restrictive. . Under the inspiration of this description and without departing from the scope of protection of the claims of the present invention, those of ordinary skill in the art can also make many forms, which are all included in the protection of the present invention.

Claims (2)

1. The transparent breakwater is characterized by comprising a wind power generation system, a wave power generation system, a power transmission system and a foundation;

the wind power generation system comprises blades (1), a wind power generator (2) and a tower (3); the wind driven generator (2) is a megawatt horizontal axis wind driven generator, is connected with the top end of a cylindrical barrel (15) of a foundation through a tower barrel (3), and the number of blades (1) is set according to wind conditions;

the wave energy power generation system comprises a wave eliminating rocking plate (4), a transverse shaft (5), a cam mechanism (6), a transmission rod (7), a guide ring (8), a hydraulic cylinder (9), a piston (10), a hydraulic oil pipe (11), a control system (12) and a hydraulic generator (13); the cross shaft (5) is fixedly connected with the wave-eliminating rocking plate (4), the lower end of the transmission rod (7) is connected with the cross shaft (5) through the cam mechanism (6), and the upper end of the transmission rod is fixedly connected with a piston (10) of a hydraulic cylinder (9) positioned in the upper end of the cylinder barrel (15); a plurality of horizontal guide rings (8) are uniformly distributed in the area between the upper part of the transverse shaft (5) and the lower part of the hydraulic cylinder (9), the outer diameter of each guide ring (8) is fixed on the inner wall of the cylinder (15), and the inner diameter of each guide ring (8) is the same as the outer diameter of the transmission rod (7); the hydraulic cylinder (9) is connected with the hydraulic generator (13) through a hydraulic oil pipe (11); each transmission rod (7) is provided with a set of hydraulic cylinder (9), a piston (10) and a hydraulic oil pipe (11); the hydraulic cylinder (9), the hydraulic oil pipe (11) and the hydraulic generator (13) form a hydraulic loop; when the wave-eliminating rocking plate (4) rotates around the transverse shaft (5), the cam mechanism (6) converts the rotation of the wave-eliminating rocking plate (4) around the transverse shaft (5) into the up-and-down reciprocating linear motion of the transmission rod (7); the transmission rod (7) drives a piston (10) in the hydraulic cylinder (9), so that motion is transmitted to the hydraulic generator (13) through the hydraulic oil pipe (11), and the hydraulic generator (13) is driven to generate electricity; the control system (12) adjusts the power generation damping of the wave energy power generation system according to the wave condition parameters monitored in real time;

the power transmission system (14) is connected with the wind driven generator (2) and the hydraulic generator (13) through cables and is connected with electric equipment on the breakwater; the power transmission system (14) transmits the power generated by the wind power generation system and the wave power generation system to the shore through a set of shared grid-connected facilities and provides electricity for facilities on the breakwater;

the foundation comprises a cylinder (15), a suction cylinder (16), a wave-blocking wing plate (17) and a connecting rod piece (18); the top end of the cylindrical barrel (15) is connected with the bottom of a tower barrel (3) of the wind power generation system, a wave power generation system is arranged in the part above the water surface, and the bottom end of the cylindrical barrel (15) is connected with the top end of the suction barrel (16); the underwater part of the cylinder (15) is welded with a plurality of wave blocking wing plates (17), and the number of the wave blocking wing plates (17) is set according to wave conditions; the connecting rod pieces (18) are welded between the cylinder barrels (15) to improve the overall stability; the suction cylinder (16) is inserted and fixed on the seabed (19) under the action of gravity when the internal water body is discharged through the weight of the suction cylinder and the components above; the length of the suction cylinder (16) can be set according to geological environment and engineering conditions; the foundations are arranged in a triangle or plum blossom shape, when the foundations are arranged in a triangle, the rear foundations are only provided with wind power generation systems, and no wave power generation systems are arranged;

the transmission rod (7) is connected with the piston (10) in a welding mode;

the hydraulic cylinder (9) and the piston (10) are sealed by a sealing ring.

2. A permeable breakwater according to claim 1, wherein the wave-dissipating rocker (4) is connected to the transverse shaft (5) by means of welding.