阅读说明：本技术 一种海洋能源综合利用浮式基座一体化发电装置 (Floating type base integrated power generation device for comprehensively utilizing ocean energy sources ) 是由 沈中祥 王杰 尹群 朱杰 姚潇 王文庆 徐福悦 于 2019-10-29 设计创作，主要内容包括：本发明提供了一种海洋能源综合利用的浮式基座一体化发电装置,包括风能波浪能组合发电系统、海流能组合发电系统和桩基础,所述风能波浪能组合发电系统包括外支柱和中心磁体,所述中心磁体所述中心磁体为圆柱体而且垂直贯穿风能波浪能组合发电系统的外支柱,所述中心磁柱下部通过中支柱和海流能组合发电系统连接,所述中心磁体的和所述中支柱内部相通,所述柱基础位于所述海流能组合发电系统的下方,所述风能波浪能组合发电系统位于吃水线以上,海流能组合发电系统和桩基础位于吃水线以下。本发明将多种新能源相结合,可同时利用海流能、波浪能和风能进行发电,同时加入一种海流能利用方式,节能环保,具有很强的抗冲击能力。(The invention provides a floating type base integrated power generation device comprehensively utilizing kinds of ocean energy, which comprises a wind energy and wave energy combined power generation system, a ocean current energy combined power generation system and a pile foundation, wherein the wind energy and wave energy combined power generation system comprises an outer pillar and a central magnet, the central magnet is cylindrical and vertically penetrates through the outer pillar of the wind energy and wave energy combined power generation system, the lower part of the central magnet is connected with the ocean current energy combined power generation system through a middle pillar, the central magnet is communicated with the interior of the middle pillar, the pile foundation is positioned below the ocean current energy combined power generation system, the wind energy and wave energy combined power generation system is positioned above a waterline, and the ocean current energy combined power generation system and the pile foundation are positioned below the waterline.)

The floating base integrated power generation device for comprehensively utilizing ocean energy sources is characterized by comprising a wind energy and wave energy combined power generation system (3), a ocean current energy combined power generation system and a pile foundation (8), wherein the wind energy and wave energy combined power generation system (3) comprises an outer pillar (2) and a central magnet (1), the central magnet (1) is a cylinder and vertically penetrates through the outer pillar (2) of the wind energy and wave energy combined power generation system (3), the lower part of the central magnet pillar (1) is connected with the ocean current energy combined power generation system (6) through a middle pillar (18), the central magnet (1) is communicated with the interior of the middle pillar (18), the pile foundation (8) is positioned below the ocean current energy combined power generation system (6), the wind energy combined power generation system (3) is positioned above a draft line (7), the ocean current energy combined power generation system (6) and the pile foundation (8) are positioned below the draft line (7), the wind energy combined power generation system (3) comprises a plurality of wind energy combined power generation units (3-1) and a plurality of wind energy combined power generation units (3) which are arranged above the draft line (1), the draft line (7), the draft line (1), the draft line (12) is connected with the central magnet (1), the central magnet (1) and the vertical pole (2) which are arranged above the vertical to the central magnet (1) and is arranged on the vertical to the vertical pole (2), the central pole (1) and the vertical pole (2) which are arranged, the vertical pole (2) and can be connected with the vertical pole (1) and the vertical pole (2), the pole (2) and the vertical pole (2) which are arranged, the pole (1) and can be connected with the vertical pole (2) and the pole (2), the pole (10), the pole (2) which are arranged, the pole (3) which are arranged, the vertical to support the central pole (2), the pole (2) which are arranged, the pole (3) and the pole (2) which are arranged, the central pole (3) and the central pole (3) which are arranged, the pole (2) which are arranged, the central pole (3) and can be connected with the central pole (2), the pole (10) which are arranged, the central pole (3.

2. The floating foundation integrated power generation device for the comprehensive utilization of ocean energy sources as claimed in claim 1, wherein A balls (15) are provided between the fan (14) and the upper clamping plate (12-1) and the lower clamping plate (12-2).

3. The floating foundation integrated power generation device for the comprehensive utilization of ocean energy sources as claimed in claim 1, wherein a damper (16) connected to the fan (14) is fixed to the bottom of the round bar magnet (11).

4. The floating-based integrated power generation device for the comprehensive utilization of ocean energy sources as claimed in claim 1, wherein the number of the fan blades of the fan (14) is 18, and the fan blades are uniformly distributed on the periphery of the upper rotating shaft (12) to form a lantern structure.

5. The method of claim 1, wherein: the pile foundation (8) is of a three-jaw type.

6. The ocean energy comprehensive utilization floating base integrated power generation device according to any one of claims 1 to 5 or , wherein the ocean current energy combined power generation system comprises a plurality of ocean current energy combined power generation units (6) which are uniformly distributed on the outer side wall of a middle strut (18) fixed on a pile foundation (8) along the circumferential direction, each ocean current energy combined power generation unit (6) is sequentially provided with an upper layer connecting rod (18-1), a middle layer connecting plate (19) and a lower layer connecting plate (20) which are horizontally arranged and fixedly connected with the middle strut from top to bottom, a fan-type ocean current energy power generation unit (6-1) is arranged between the upper layer connecting rod (18-1) and the middle layer connecting plate (19), and a vortex-induced vibration energy recovery device (26) is arranged between the middle layer connecting plate (19) and the lower layer connecting plate (20).

7. The floating-type base integrated power generation device for the comprehensive utilization of ocean energy sources as claimed in claim 6, wherein each fan-type ocean current energy power generation unit (6-1) comprises a lower rotating shaft (23) and a vortex blade (21), the vortex blade (21) is fixedly connected with the lower rotating shaft (23) through a fixing ring (22), the fixing ring (22) is fixedly sleeved on the lower rotating shaft (23), the upper rotating shaft (23) is a hollow cylinder, the upper rotating shaft is sleeved on a round rod (24-1) which is provided with a top end and a bottom end which are respectively fixedly connected with the upper layer connecting rod (18-1) and the middle layer fixing plate (19), and the upper rotating shaft (23) can rotate around the round rod (24-1).

8. The floating base integrated power generation device for comprehensive utilization of kinds of ocean energy according to claim 6, wherein each vortex induced vibration energy recovery device (26) comprises a lower strut (24), a housing (26-1), a polarizing plate (26-7), a piezoelectric plate (26-2), a curved plate (26-2-1) and a guide plate (25), the housing (26-1) is composed of an upper shell surface (26-9-1), a lower shell surface (26-9-2) and a rear end surface (26-10) located on the outer side, the front side and the rear side of the housing (26-1) are rectangular through holes (26-12) which are not closed, the upper shell surface (26-9-1) and the lower shell surface (26-9-2) are provided with arc-shaped slideways (28) corresponding to the polarizing plates (26-7), the upper ends and the lower ends of the polarizing plates (26-7) are respectively embedded into the slideways (28), the polarizing plates (26-7) can swing along the slideways (28), the upper end of the polarizing plates (26-7) is sleeved with a plurality of curved plates (26-2), the curved plates (26-1-2) and the lower end surfaces of the piezoelectric plates (26-2) are respectively covered with a plurality of conductive grooves (26-2), the curved grooves (26-2) are also covered with a sealing material (26-30) which is covered with a second conductive groove (26-30) which is covered in the second conductive groove (26-2), the second groove (26-10), the second groove (26-10), the sealing material (26-2), the second groove (26-12), the second groove (26-12) which is covered in the second groove (26-2), the sealing material (26-2), the sealing groove (26-30) which is covered in the sealing groove (26-2), the sealing groove (26-2), the sealing groove (26-30) which is covered in the sealing groove (26-2), the sealing groove (26-2) which is covered in the sealing groove (.

9. The floating foundation integrated power generation device for the comprehensive utilization of ocean energy sources as claimed in claim 8, wherein the upper shell surface (26-9-1) and the lower shell surface (26-9-2) are provided with circular holes (29-1) near the inner sides, the diameter of the circular holes is the same as that of the lower support column (24), the lower support column (24) can vertically pass through the circular holes, hollow cylinders (26-8) are coaxially arranged outside the circular holes (29-1) and , the upper ends of the space cylinders (26-8) are connected with the upper shell surface (26-9-1), and the lower ends of the space cylinders pass through the lower shell surface (26-9-2) and are fixedly connected with the lower guide pieces (25).

10. The floating foundation integrated power generation device for ocean energy comprehensive utilization as claimed in claim 9, wherein the of the lower support (24) is provided with a groove (27-1) around the circumference of the lower support and the circular hole (29-1), the inner wall of the circular hole is provided with a second groove (29), the joint of the groove (27-1) and the second groove (29) is provided with a B ball (27) which rolls inside the groove, the B ball (27) is used for actively connecting the shell (26-1) and the lower support (24), so that the shell (26-1) moves around the circumference of the lower support (24) to swing.

Technical Field

The invention belongs to the field of ocean renewable energy engineering, and particularly relates to a floating type base integrated power generation device for comprehensively utilizing ocean energy.

Background

The present invention relates to a marine wind power generation device, and more particularly to a marine energy power generation device, which is characterized in that the devices are mainly used for generating ocean energy, and the devices are mainly used for generating ocean energy, particularly for generating ocean current, wherein the ocean energy is used as clean and renewable resources with great development prospects, and is especially favored by coastal countries.

Disclosure of Invention

1. The technical problem to be solved is as follows:

at present, ocean energy cannot be fully utilized, wind energy, wave energy, ocean current energy and vortex-induced vibration energy cannot be fully utilized, and the same device is adopted for generating electricity.

2. The technical scheme is as follows:

in order to solve the above problems, the invention provides a floating base integrated power generation device for comprehensive utilization of ocean energy, which comprises a wind energy and wave energy combined power generation system, a ocean current energy combined power generation system and a pile foundation, wherein the wind energy and wave energy combined power generation system comprises an outer pillar and a central magnet, the central magnet is a cylinder and vertically penetrates through the outer pillar of the wind energy and wave energy combined power generation system, the lower part of the central magnet is connected with the ocean current energy combined power generation system through a middle pillar, the central magnet is communicated with the interior of the middle pillar, the pile foundation is positioned below the ocean current energy combined power generation system, the wind energy combined power generation system comprises a plurality of wind energy combined power generation units which are uniformly distributed on the outer side wall of the outer pillar along the circumferential direction, a central coil is arranged in the outer pillar and surrounds the central magnet and is attached to the inner side wall of the outer pillar, the central coil can perform relative motion in the vertical direction relative to the central magnet, the central coil is arranged on a supporting rod, a plurality of the wind energy combined power generation units are arranged on the supporting rod, each supporting rod is connected with a fan, a fan is arranged on the supporting rod, a fan is connected with a circular floating magnet, a fan, a supporting rod, a rotating shaft is arranged on the central magnet, a supporting rod, a rotating shaft is connected with a fan, a rotating shaft is arranged on the central magnet, a rotating shaft is connected with a rotating shaft, a rotating shaft is arranged on the central magnet, a rotating shaft is connected with a rotating shaft, a rotating shaft of a rotating shaft, a rotating shaft is arranged on the rotating shaft, a rotating.

A ball A is arranged between the fan and the upper clamping plate and between the fan and the lower clamping plate.

And a damper connected with the fan is fixed at the bottom of the round rod magnet.

The fan blades of the fan are sheets and are uniformly distributed on the periphery of the upper rotating shaft to form a lantern structure together.

The pile foundation is of a three-claw type.

The ocean current energy combined power generation system comprises a plurality of ocean current energy combined power generation units which are uniformly distributed on the outer side wall of a middle support column fixed on a pile foundation along the circumferential direction, each ocean current energy combined power generation unit is sequentially provided with an upper layer connecting rod, a middle layer connecting plate and a lower layer connecting plate which are fixedly connected with the middle support column and are horizontally arranged from top to bottom, a fan-type ocean current energy power generation unit is arranged between the upper layer connecting rod and the middle layer connecting plate, and a vortex-induced vibration energy recovery device is arranged between the middle layer connecting plate and the lower layer connecting plate.

Every fan type ocean current can power generation unit includes pivot and whirlpool leaf down, the whirlpool leaf passes through solid fixed ring and lower pivot fixed connection, the fixed cover of fixed ring is established in the pivot down, it is hollow cylinder to go up the pivot, and the cover is established and is installed on being equipped with top and bottom respectively with upper connecting rod, middle level fixed plate all fixed connection's round bar, it can rotate around the round bar to go up the pivot.

Each vortex-induced vibration energy recovery device comprises a lower support, a shell, a polaroid, piezoelectric sheets, curved plates and guide sheets, wherein the shell consists of an upper shell surface, a lower shell surface and a rear end surface positioned on the outer side, the front side and the rear side of the shell are non-closed rectangular through holes, the upper shell surface and the lower shell surface are provided with arc-shaped slideways corresponding to the polaroid, the upper end and the lower end of the polaroid are respectively embedded into the slideways, the polaroid can swing along the slideways, the polaroid is sleeved with a plurality of curved plates, the curved plates are provided with arc-shaped holes, the arc-shaped holes are internally provided with channels, meanwhile, the polaroid is also provided with second channels with the same width, a plurality of C balls are respectively arranged in the channels and the second channels, the arc-shaped curved plates further comprise the piezoelectric sheets, each sheet end is fixedly connected with the corresponding curved plate, the other end is fixed on a positioning groove on a vertical panel of the rear end surface of the polaroid, the piezoelectric sheets are coated with sealing elastic materials, and in the positioning grooves, conductive elastic materials and the positioning grooves are sequentially connected with the rectifier devices and.

The inner sides of the upper shell surface and the lower shell surface, which are close to each other, are provided with circular holes with the same diameter as the lower support columns, so that the lower support columns can vertically penetrate through the circular holes, outside the circular holes are provided with coaxial hollow cylinders, the upper ends of the space cylinders are connected with the upper shell surface, and the lower ends of the space cylinders penetrate through the lower shell surface and are fixedly connected with the lower guide pieces.

The circumference of that the lower pillar and circular port matched with is equipped with recess, the inner wall of circular port is equipped with same second recess, and the junction of recess and second recess is equipped with B ball and rolls in its inside, utilizes B ball to connect the casing with the activity of lower pillar, makes the casing around lower pillar circular motion, swings.

3. Has the advantages that:

the marine energy comprehensive utilization floating type base integrated power generation device provided by the invention combines multiple new energy sources, can simultaneously utilize ocean current energy, wave energy and wind energy to generate power, is added with novel ocean current energy utilization modes, is energy-saving and environment-friendly, is not limited to accepted directions and modes, and has strong impact resistance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an overall sectional view of the present invention.

Fig. 3 is an overall top view of the present invention.

Fig. 4 is a cross-sectional view of the wind energy wave energy power generation unit of the present invention.

Fig. 5 is a sectional view of the ocean current energy combined power generating unit of the present invention.

Fig. 6 is a sectional view of the vortex induced vibration energy power generation unit of the present invention.

Fig. 7 is a three-dimensional schematic view of the vortex induced vibration energy recovery device of the present invention.

Fig. 8 is a plan view of the vortex induced vibration energy recovery device of the present invention.

Fig. 9 is a sectional view of the rear end surface of the vortex-induced vibration energy recovery device of the present invention.

Fig. 10 is a three-dimensional schematic view of a combination of a polarizer and a curved plate according to the present invention.

Fig. 11 is a sectional view of a combination of a polarizing plate and a curved plate of the present invention.

Fig. 12 is a top view of a combination of a polarizer and a curved plate of the present invention.

Fig. 13 is a schematic view of the overall structure of the fan of the present invention.

Fig. 14 is an overall structural view of the turbofan of the present invention.

Fig. 15 is a front view of the pile foundation of the present invention.

The reference numbers are as follows, a central magnet 1, an outer pillar 2, a wind and wave energy combined power generation system 3, a wind and wave energy combined power generation unit 3-1, a supporting floating body 4, a central coil 5, a ocean current energy combined power generation unit 6, a fan-type ocean current energy power generation unit 6-1, a draft line 7, a pile foundation 8, a supporting rod 9, a spring 10, a round rod magnet 11, an upper rotating shaft 12, an upper clamping plate 12-1, a lower clamping plate 12-2, a second central coil 13, fan blades 14, A balls 15, a damper 16, a middle supporting pillar 18, an upper connecting rod 18-1, a middle connecting plate 19, a lower connecting plate 20, a vortex blade 21, a fixing ring 22, a lower rotating shaft 23, a round rod 24-1, a lower supporting pillar 24, a guide vane 25, a vortex-induced vibration energy supplementing device 26, a 26-3 shell 26-1, a piezoelectric plate 26-2, a curved plate 26-2-1, a conducting wire 26-3, a positioning groove 26-4, a rectifying and pressure stabilizing device 26-5, a distribution box 26-7, a hollow cylinder 26-8, a lower shell 26-2, a second shell surface 26-2, a groove 26-32, a second groove 27-32, a second groove 26-32, a groove 27-30, a groove 27.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the floating-type base integrated power generation device for the comprehensive utilization of ocean energy sources comprises a wind energy and wave energy combined power generation system 3, a ocean current energy combined power generation system 6 and a pile foundation 8, wherein the wind energy and wave energy combined power generation system 3 comprises an outer pillar 2 and a central magnet 1, the central magnet 1 is a cylinder and vertically penetrates through the outer pillar 2 of the wind energy and wave energy combined power generation system 3, the lower part of the central magnet 1 is connected with the ocean current energy combined power generation system 6 through a middle pillar 18, the interior of the central magnet 1 is communicated with the middle pillar 18,

the central magnet 1 is a permanent magnet with a hollow cylinder structure, a generator set and an electric storage box are arranged in the central magnet, the central magnet 1 is coaxially welded with a hollow middle pillar 18 at the lower part and is communicated with the inside, the cross section area of the lower middle pillar 18 is larger than that of the central magnet 1 at the upper part, and a generator and the electric storage box are arranged in the lower middle pillar 18.

The column foundation 8 is located below the ocean current energy combined power generation system 6, the wind energy and wave energy combined power generation system 3 is located above a waterline 7, and the ocean current energy combined power generation system 6 and the pile foundation 8 are located below the waterline 7.

The invention perfectly combines the wind energy, the wave energy, the ocean current energy and the vortex-induced vibration energy at , and fully utilizes the ocean energy to generate electricity.

As shown in fig. 3 and 4, the wind energy and wave energy combined power generation system 3 comprises a plurality of wind energy and wave energy combined power generation units 3-1 which are uniformly distributed on the outer side wall of an outer pillar 2 along the circumferential direction, four wind energy and wave energy combined power generation units 3-1 are adopted in fig. 3, in each wind energy and wave energy combined power generation unit 3-1, an -th central coil 5 is arranged around the outer pillar 2 and attached to the inner side wall, a -th central coil 5 can perform relative motion in the vertical direction relative to a central magnet 1, a rectangular slot with the width of a support rod 9 is formed in the cylinder of the outer pillar 2, the end of the support rod 9 is connected with the inner central magnet 1 through the slot, the other end is connected with a vertically arranged round bar magnet 11, a generator connected with a fan is arranged at the connection position of the support rod 9 and the round bar magnet 11, and a spring 10 is arranged between the support rod and an upper clamping plate 12-1.

As shown in fig. 13, the number of the fan blades of the fan 14 is 18, the fan blades are uniformly distributed on the periphery of the upper rotating shaft 12 to form a lantern structure together, and experiments prove that the arrangement mode can utilize wind energy more efficiently, the inner part of the fan 14 is fixedly connected with the upper rotating shaft 12 and can drive the rotating shaft to rotate, the round bar magnet 11 penetrates through the fan 14 and penetrates through the supporting floating body 4, the bottom of the round bar magnet 11 is fixedly provided with a damper 16 connected with the fan, the damper 16 can reduce the damage to the device under the action of heaving, a ball bearing 15 is arranged between the fan 14 and the upper clamping plate 12-1 and the lower clamping plate 12-2 and can reduce the resistance between the fan and the supporting floating body 4 during the rotation, the second central coil 13 is arranged around the round bar magnet 11 and attached to the inner side wall of the upper rotating shaft 12, the second central coil 13 can perform relative movement in the vertical direction relative to the round bar magnet 11, when the wind energy combined power generation system works, the supporting floating body 4 is driven to perform heaving movement by the supporting floating movement, thereby the aspect of driving the second central coil 5 inside the outer column 2 to perform vertical movement relative to the central magnet 1 relative to the central magnet, and further convert the wind energy into the electric energy stored in the electric power storage box, and the electric generator to convert the electric energy stored in the electric power storage box into the electric energy stored.

The fixing system is fixed by adopting a pile foundation, as shown in fig. 15, the pile foundation type main application range is , the fixing system is suitable for heavy buildings on soft foundations, has the characteristics of high bearing capacity, small settling amount and uniformity, can be used for seabed fixing according to the characteristics, and can bear larger impact force by using a triangular stable structure in three-jaw type application.

As shown in fig. 5, the ocean current energy combined power generation system includes a plurality of ocean current energy combined power generation units 6 uniformly distributed on the outer side wall of a middle support column 18 fixed on a pile foundation 8 along the circumferential direction, each ocean current energy combined power generation unit 6 is sequentially provided with an upper layer connecting rod 18-1, a middle layer connecting plate 19 and a lower layer connecting plate 20 which are fixedly connected with the middle support column and are horizontally arranged from top to bottom, a fan type ocean current energy power generation unit 6-1 is arranged between the upper layer connecting rod 18-1 and the middle layer connecting plate 19, and a vortex induced vibration energy recovery device 26 is arranged between the middle layer connecting plate 19 and the lower layer connecting plate 20.

Each fan-type ocean current energy power generation unit 6-1 comprises a lower rotating shaft 23 and vortex blades 21, as shown in fig. 14, the number of the vortex blades 21 of the ocean current energy power generation unit is multiple, the vortex blades are uniformly distributed on the periphery of the lower rotating shaft 23 to form a vortex structure together, the vortex blades 21 are fixedly connected with the lower rotating shaft 23 through fixing rings 22, the fixing rings 22 are fixedly sleeved on the lower rotating shaft 23, the upper rotating shaft 23 is a hollow cylinder and is sleeved on a round rod 24-1, the top end and the bottom end of the round rod are fixedly connected with an upper layer connecting rod 18-1 and a middle layer fixing plate 19 respectively, and the upper rotating shaft 23 can rotate around the round rod 24-1. When the fan type ocean current energy power generation unit 6-1 works, the vortex blade 21 rotates clockwise or anticlockwise under the impact of ocean current, the lower rotating shaft 23 is driven to rotate through the fixing ring 22, and power generation of water flow is achieved by combining with a power generator in the middle supporting column 18.

The vortex-induced vibration energy recovery device 26 comprises a lower support 24, a shell 26-1, a polarizing plate 26-7, a piezoelectric plate 26-2, a curved plate 26-2-1, a guide plate 25 and a hollow cylinder 26-8, wherein the shell 26-1 consists of an upper shell surface 26-9-1, a lower shell surface 26-9-2 and a rear end surface 26-10 and is arranged on the outer side of the lower support 24. The upper shell surface 26-9-1 and the lower shell surface 26-9-2 of the shell 26-1 are provided with corresponding arc-shaped slideways 28. The upper and lower ends of the polarizer 26-7 are respectively embedded in the arc-shaped slide ways 28, and the polarizer 26-7 can swing along the arc-shaped slide ways, as shown in fig. 8.

The piezoelectric sheet 26-2 and the curved plate 26-2-1 are both made of flexible piezoelectric ceramic materials with small elastic modulus, and are coated with sealing elastic materials 26-13, as shown in fig. 6, two ends of the piezoelectric sheet 26-2 are respectively connected with the curved plate 26-2-1 and a vertical panel 26-11 of the rear end surface 26-10 of the shell 26-1, an end of the piezoelectric sheet is fixed through a positioning groove 26-4 formed in the vertical panel 26-11, the other end is fixedly connected with the curved plate, a end connected with the vertical panel 26-11 is clamped between the sealing elastic material 26-13 and the piezoelectric sheet 13 with a conductive copper sheet 26-2-2, the conductive copper sheet 26-2-2 is sequentially connected with a rectifying and voltage stabilizing device 26-5 and a distribution box 26-6 which are positioned in the lower support column 24 through a lead 26-3, a channel 32 of a is formed in an arc-shaped hole 31 in the curved plate 26-2-1, a second channel 30 of the same width is also formed in the polarizing sheet 26-7, and the combination of the curved plate 26-2-1 and the polarizing sheet 26-11, as shown in fig. 12.

The rear end face 26-10 is composed of vertical panels 26-11 which are located in the middle and are vertically connected with the upper and lower casing faces 26-9, two sides of each vertical panel 26-11 are provided with unclosed rectangular through holes 26-12 for water flow to pass through and ensure that the water flow speed is not reduced, as shown in fig. 9, circular holes 29-1 with the same diameter as that of the lower support posts 24 are arranged at the front parts of the upper casing face 26-9-1 and the lower casing face 26-9-2 of the casing 26-1 and can be vertically penetrated by the lower support posts 24, circumferences of the lower support posts 24 matched with the circular holes 29-1 are provided with grooves 27-1, the side walls of the circular holes are also provided with second grooves 29, the grooves 27-1 and the second grooves 29 are combined to allow the B balls 27 to roll in the insides of the circular holes, and the casing 26-1 and the lower support posts 24 are actively connected by the B balls 27 to enable the casing 26.

The upper end of the hollow cylinder 26-8 is coaxial with the circular hole on the upper shell surface of the shell and is vertically and fixedly connected with the upper shell surface of the shell, and meanwhile, the guide piece passes through the lower shell surface and is fixedly connected with the guide piece 25 on the lower portion, so that the direction of the guide piece is changed under the driving of ocean current, the direction of the whole vortex-induced vibration energy capturing device 26 is changed, the vortex-induced vibration energy capturing device is always located right downstream of the water flow direction, and the vortex-induced vibration energy capturing efficiency is improved.

The vortex-induced vibration energy recovery device 26 works to form a vortex with a fixed frequency and alternately discharged when water flows through the lower support 24, the vortex flows through the hollow cylinder 26-8 into the shell 26-1 to cause vortex-induced resonance of the polaroid 26-7, the vibration amplitude of the polaroid 26-7 is enhanced by steps due to wake relaxation effect, the natural frequency of the polaroid 26-7 can be adjusted by adjusting the thickness and the density of the polaroid 26-7, the bending degree of the curved plate 26-2-1 and the elastic modulus of the material of the curved plate 26-2-1, the vibration amplitude of the polaroid is maximum when the natural frequency of the polaroid 26-7 is equal to the vortex-shedding frequency, the polaroid 26-7 is swung along the arc-shaped slideway 28, the arc-shaped curved plate 26-2-1 is deformed due to the arc shape of the curved plate, the piezoelectric plate 26-2 connected at the rear part is driven to be bent and deformed, mechanical energy is directly converted into electric energy due to the piezoelectric effect, the wire 26-3 connected with the conductive copper sheet 26-2-2 transmits the part to the direct current rectifying device 26, the direct current of the direct current in the direct current stabilizing device 26, and the direct current is transmitted to the electric energy storage box 26-6, and.

In the design stage of the vortex-induced vibration energy recovery device, parameters including the flow velocity and the flow direction of water flow, the diameter of a strut and the like can be considered according to specific application conditions, and the stress radian, the material and the density of a proper polaroid and the material, the density and the bending radian of a curved plate are selected through simulation so that the vibration amplitude of the polaroid can be kept in a larger range, and the power generation amount is improved. According to the actual situation, a plurality of piezoelectric patches 26-2 are connected in the vortex-induced vibration energy capturing device, the vertical panel 26-11 is provided with a corresponding number of positioning grooves 26-4, and two ends of each piezoelectric patch 26-2 are respectively embedded in the positioning grooves 26-4 in the vertical panel 26-11 and fixed with the curved plate 26-2-1.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.