A vertical floating wave energy power generation device

Abstract

The present invention relates to the field of energy generation technology, and discloses a vertical swing float type wave energy power generation device, including a support platform, a floating platform, a vertical swing float, a vertical guide mechanism, and an adjustment baffle mechanism. The sliding column is vertically arranged on the support platform, the sliding member and the sliding column slide up and down in cooperation, the floating platform is connected to the sliding member through a shock absorber, the vertical swing float is connected to the bottom of the floating platform, and the vertical swing float floats on the sea surface; the hydraulic energy storage device is connected to one end of the universal coupling, and the floating platform is connected to the other end of the universal coupling; the adjustment baffle mechanism includes an adjustment baffle and a driving regulator, the adjustment baffles are sequentially arranged around the outer periphery of the support platform, and the driving regulator can drive the adjustment baffle to move up and down in the support platform; according to the direction of the waves, the adjustment baffle corresponding to the direction of the waves rises, and the other adjustment baffles fall. The present invention can focus the incident waves, improve the energy capture efficiency of the vertical swing float, and has high stability in use and high environmental adaptability.

Description

Technical Field

[0001] The invention relates to the technical field of energy generation, and in particular to a heaving buoy type wave energy generation device. Background Art

[0002] From the perspective of energy transfer, the process of converting wave energy into electrical energy can be divided into three main stages. The first is the capture stage, that is, the wave power generation device captures the force or displacement excitation exerted by the wave; the second is the intermediate conversion stage, which converts the captured force or displacement excitation into the energy form of the energy storage structure, including but not limited to kinetic energy, hydraulic energy, pneumatic energy, and elastic potential energy of the elastic body; the last is the electrical energy conversion stage, which converts the energy stored in the intermediate stage into electrical energy output. As the energy industry develops in the direction of distributed, floating wave power generation devices have gradually attracted attention, but the existing floating wave power generation devices have low conversion efficiency and energy capture efficiency for low-period waves and small waves, poor reliability, and insufficient environmental adaptability. Summary of the invention

[0003] The purpose of the present invention is to provide a heaving buoy type wave energy power generation device, which can focus incident waves, improve the energy capture efficiency of the heaving buoy, and has high stability in use and high environmental adaptability.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a vertical swaying float type wave energy power generation device, including a supporting platform, a floating platform, a vertical swaying float, a vertical guide mechanism, an adjusting baffle mechanism, a universal coupling and a hydraulic energy storage device, wherein the vertical guide mechanism includes a sliding member and a sliding column, the sliding column is vertically arranged on the supporting platform, the sliding member and the sliding column slide up and down in cooperation, a shock absorber is arranged on the periphery of the floating platform, the floating platform is connected to the sliding member through the shock absorber, the vertical swaying float is connected to the bottom of the floating platform, the vertical swaying float is located in the supporting platform, the vertical swaying float floats on the sea surface, and the supporting platform is anchored on the seabed; the hydraulic accumulator The energy device is connected to one end of the universal coupling, and the floating platform is connected to the other end of the universal coupling; there are multiple adjusting baffle mechanisms, each of which includes an adjusting baffle and a driving regulator, and multiple adjusting baffles are sequentially arranged around the periphery of the supporting platform, the height of the adjusting baffle is less than the height of the supporting platform, the driving regulator is arranged on the supporting platform, and the output end of the driving regulator is connected to the adjusting baffle and can drive the adjusting baffle to move up and down in the supporting platform; according to the direction of the waves, the adjusting baffle corresponding to the direction of the waves rises, and the remaining adjusting baffles fall.

[0005] As a preferred solution of the present invention, the heave float is a cone structure surrounded by irregular curved surfaces, which is wide at the top and narrow at the bottom.

[0006] As a preferred solution of the present invention, the support platform includes a top plate, a bottom plate, a fixed plate and a support column connected between the top plate and the bottom plate, the top plate and the bottom plate are triangular, three support columns are provided and are respectively connected to the triangular part of the top plate and the triangular part of the bottom plate, three adjustment baffle mechanisms are provided, and each adjustment baffle mechanism is arranged between two adjacent support columns; the fixed plate is fixed to the top plate by a support rod, and the hydraulic energy storage device is connected to the fixed plate.

[0007] As a preferred solution of the present invention, the vertical guiding mechanism is provided with three and is distributed in a triangular shape on the outer circumference of the vertical float, the sliding column is a cylinder, the sliding member is a sliding sleeve arranged on the sliding column, a bearing is provided between the sliding sleeve and the sliding column, a connecting rod is provided on the side of the sliding member facing the vertical float, and the shock absorber is connected between the connecting rod and the vertical float.

[0008] As a preferred solution of the present invention, the upper part of the sliding column and the lower part of the sliding column are both provided with limited shock absorbing springs.

[0009] As a preferred solution of the present invention, an inner cavity for setting the driving adjuster is provided in the support column, and each of the adjusting baffle mechanisms is provided with two driving adjusters, and the driving adjusters include a screw pair, a driving motor and a connecting block, one end of the screw of the screw pair is rotatably connected to the support column, and the other end of the screw of the screw pair is connected to the output shaft of the driving motor, the driving motor is fixed on the support column, the connecting block is connected to the nut of the screw pair, and the two sides of the adjusting baffle are respectively connected to the two connecting blocks.

[0010] As a preferred solution of the present invention, the hydraulic energy storage device includes a hydraulic cylinder, an accumulator, a hydraulic motor and a generator. The hydraulic cylinder is fixed on the fixed plate, a bearing is provided between the piston rod of the hydraulic cylinder and the fixed plate, the piston rod of the hydraulic cylinder is connected to the universal coupling, the hydraulic cylinder is connected to the accumulator through a hydraulic pipeline, the accumulator is connected to the hydraulic motor, and the hydraulic motor drives the generator to generate electricity.

[0011] As a preferred solution of the present invention, the top plate and the bottom plate are both equilateral triangles, and a via hole is provided at the center of the top plate and the center of the bottom plate, and the via hole is equilateral triangle.

[0012] Compared with the prior art, the heaving buoy wave energy power generation device according to the embodiment of the present invention has the following beneficial effects:

[0013] The present invention can adjust the height of the adjusting baffles at different positions on the supporting platform through the adjusting baffle mechanism. According to the incoming wave direction obtained by wave radar monitoring, the adjusting baffle directly opposite to the incoming wave direction is raised to the highest position, and all other adjusting baffles are lowered to the lowest position, so that the waves enter the supporting platform from the raised adjusting baffle. At the same time, the waves are blocked by other adjusting baffles, and the height of the waves is pushed up, so that the hanging float obtains more energy; and the universal coupling transmission can ensure that when the hanging float generates horizontal vibration due to waves, the hydraulic energy storage device can still continue to move vertically, so as to maintain the stability of the connection, and a shock absorber is connected between the floating platform and the sliding member, which can reduce the lateral impact of the waves on the floating platform; it can be seen that the present invention can focus the incident waves, improve the energy capture efficiency of the hanging float, and has high stability in use and high environmental adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a heaving buoy type wave energy power generation device provided by an embodiment of the present invention;

[0015] Figure 2 It is a structural schematic diagram of a vertical floating wave energy power generation device provided by an embodiment of the present invention, in which one of the regulating baffles is hidden;

[0016] Figure 3 is a schematic structural diagram of a driving regulator provided by an embodiment of the present invention;

[0017] In the figure, there are support platform 1; top plate 11; bottom plate 12; fixed plate 13; support column 14; floating platform 2; vertical swing float 3; vertical guide mechanism 4; sliding member 41; sliding column 42; limit shock-absorbing spring 43; adjustment baffle mechanism 5; screw rod pair 51; drive motor 52; connecting block 53; adjustment baffle 54; universal coupling 6; shock absorber 7; hydraulic cylinder 8. DETAILED DESCRIPTION

[0018] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like used in the present invention to indicate the orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] like Figure 1 and Figure 3 As shown, a preferred embodiment of a heaving buoy 3 type wave energy power generation device provided by the present invention comprises a supporting platform 1, a floating platform 2, a heaving buoy 3, a vertical guiding mechanism 4, an adjusting baffle mechanism 5, a universal coupling 6 and a hydraulic energy storage device, wherein the vertical guiding mechanism 4 comprises a sliding member 41 and a sliding column 42, wherein the sliding column 42 is vertically arranged on the supporting platform 1, wherein the sliding member 41 and the sliding column 42 slide up and down in cooperation, and the vertical guiding mechanism 4 enables the heaving buoy 3 to move up and down in the supporting platform 1 under the action of the waves, and a shock absorber 7 is arranged on the periphery of the floating platform 2, wherein the floating platform 2 is connected to the sliding member 41 through the shock absorber 7, and the heaving buoy 3 is connected to the bottom of the floating platform 2, wherein the heaving buoy 3 is located in the supporting platform 1, and the heaving buoy 3 floats on the sea surface, and the supporting platform 1 is anchored on the seabed; the hydraulic energy storage device is connected to one end of the universal coupling 6, and the floating platform 2 is connected to the other end of the universal coupling 6, and the universal coupling 6 is preferably a cross universal coupling 6; there are multiple adjusting baffle mechanisms 5, each of which includes an adjusting baffle 54 and a driving regulator, and multiple adjusting baffles 54 are sequentially arranged around the periphery of the supporting platform 1, the height of the adjusting baffle 54 is less than the height of the supporting platform 1, the driving regulator is arranged on the supporting platform 1, and the output end of the driving regulator is connected to the adjusting baffle 54 and can drive the adjusting baffle 54 to move up and down in the supporting platform 1; according to the direction of the waves, the adjusting baffle 54 corresponding to the direction of the waves rises, and the remaining adjusting baffles 54 fall.

[0021] The present invention can adjust the height of the adjusting baffles 54 at different positions on the supporting platform 1 by adjusting the baffle mechanism 5. According to the wave direction obtained by the wave radar monitoring, the wave direction is fed back to the adjusting baffle mechanism 5 through the wave radar monitoring system to adjust the height of the adjusting baffles 54 of each adjusting baffle mechanism 5, so that the adjusting baffle 54 facing the wave direction is raised to the highest position, and all other adjusting baffles 54 are lowered to the lowest position, so that the waves enter the supporting platform 1 from the raised adjusting baffle 54, and the waves are blocked by other adjusting baffles 54, so that the waves are gathered, and then pushed The height of high waves enables the heaving buoy 3 to obtain more energy, and the conversion efficiency and energy capture efficiency of low-period waves and small waves are effectively improved; and the use of the universal coupling 6 transmission can ensure that when the heaving buoy 3 generates horizontal vibration due to waves, the hydraulic energy storage device can still continue to move vertically, thereby maintaining the stability of the connection, and a shock absorber 7 is connected between the floating platform 2 and the sliding member 41, which can reduce the lateral impact of the waves on the floating platform 2; it can be seen that the present invention can focus the incident waves, improve the energy capture efficiency of the heaving buoy 3, and has high stability in use and high environmental adaptability.

[0022] Preferably, the pendulous buoy 3 is a cone structure surrounded by irregular curved surfaces, which is wide at the top and narrow at the bottom. The pendulous buoy 3 is an inverted triangular pyramid structure, which can receive wave energy in different directions and improve the utilization efficiency of wave energy.

[0023] In this embodiment, the support platform 1 includes a top plate 11, a bottom plate 12, a fixed plate 13 and a support column 14 connected between the top plate 11 and the bottom plate 12, the top plate 11 and the bottom plate 12 are triangular, and three support columns 14 are provided and are respectively connected to the triangular parts of the top plate 11 and the triangular parts of the bottom plate 12, and three adjustable baffle mechanisms 5 are provided, each of which is arranged between two adjacent support columns 14, and three adjustable baffles 54 are respectively arranged on three sides of the support platform 1; the fixed plate 13 is fixed to the top plate 11 by a support rod, and the hydraulic energy storage device is connected to the fixed plate 13 to better focus the waves incident on the support platform 1 and improve the energy capture efficiency of the heaving float 3.

[0024] Exemplarily, the vertical guide mechanism 4 is provided with three and is distributed in a triangular shape on the outer periphery of the pendulum float 3. The sliding column 42 is a cylinder, and the sliding member 41 is a sliding sleeve slidingly sleeved on the sliding column 42. A linear bearing is provided between the sliding sleeve and the sliding column 42. The linear bearing can withstand large radial and axial loads to ensure the stable operation of the pendulum float 3, while reducing the energy loss during the up and down movement of the pendulum float 3 and improving the energy conversion efficiency. A connecting rod is provided on the side of the sliding member 41 facing the pendulum float 3, and the shock absorber 7 is connected between the connecting rod and the pendulum float 3 to improve the stability of the operation of the floating platform 2.

[0025] Furthermore, the upper part of the sliding column 42 and the lower part of the sliding column 42 are both sleeved with a limit damping spring 43, which plays a role of limit buffering when the sliding sleeve moves up to the highest position and moves down to the lowest position.

[0026] In this embodiment, the support column 14 is provided with an inner cavity for setting the driving regulator. Specifically, the inner cavity of the support column 14 is a vertically arranged groove opened on the side wall of the support column 14. Each of the adjusting baffle mechanisms 5 is provided with two driving regulators, and the driving regulator includes a screw pair 51, a driving motor 52 and a connecting block 53. One end of the screw of the screw pair 51 is rotatably connected to the support column 14, and the other end of the screw of the screw pair 51 is connected to the output shaft of the driving motor 52. The driving motor 52 is fixed on the support column 14, and the connecting block 53 is connected to the nut of the screw pair 51. The two sides of the adjusting baffle 54 are respectively connected to the two connecting blocks 53. The output shaft of the driving motor 52 is rotated forward and reversely to drive the adjusting baffle 54 to move up and down, thereby ensuring that the lifting and lowering stability of the adjusting baffle 54 is high.

[0027] Specifically, the hydraulic energy storage device includes a hydraulic cylinder 8, an accumulator, a hydraulic motor and a generator. The hydraulic cylinder 8, the accumulator, the hydraulic motor and the generator are arranged on the fixed plate 13. A bearing is provided between the piston rod of the hydraulic cylinder 8 and the fixed plate 13 to reduce the energy loss of the piston rod of the hydraulic cylinder 8 during movement. The piston rod of the hydraulic cylinder 8 is connected to the universal coupling 6. The hydraulic cylinder 8 is connected to the accumulator through a hydraulic pipeline. The accumulator is connected to the hydraulic motor. The hydraulic motor drives the generator to generate electricity, and the power generation effect is good.

[0028] Exemplarily, the top plate 11 and the bottom plate 12 are both equilateral triangles, and a through hole is provided at the center of the top plate 11 and the center of the bottom plate 12. The through hole is an equilateral triangle. The through hole of the top plate 11 can facilitate the movement of the piston rod of the hydraulic cylinder 8; the through hole of the bottom plate 12 facilitates the passage of seawater.

[0029] In the description of the present invention, it should be understood that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" used in the present invention should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A heaving buoy wave energy power generation device, characterized in that: It includes a supporting platform, a floating platform, a vertical swing float, a vertical guiding mechanism, an adjusting baffle mechanism, a universal coupling and a hydraulic accumulator. The vertical guiding mechanism includes a sliding member and a sliding column. The sliding column is vertically arranged on the supporting platform. The sliding member and the sliding column slide up and down in cooperation. A shock absorber is arranged on the periphery of the floating platform. The floating platform is connected to the sliding member through the shock absorber. The vertical swing float is connected to the bottom of the floating platform. The vertical swing float is located in the supporting platform. The vertical swing float floats on the sea surface, and the supporting platform is anchored on the seabed. The hydraulic accumulator is connected to one end of the universal coupling, and the floating platform is connected to the other end of the universal coupling. There are multiple adjusting baffle mechanisms, each of which includes an adjusting baffle and a driving regulator. The adjusting baffles are sequentially arranged around the outer periphery of the supporting platform, the height of the adjusting baffles is less than the height of the supporting platform, the driving regulator is arranged on the supporting platform, and the output end of the driving regulator is connected to the adjusting baffle and can drive the adjusting baffle to move up and down in the supporting platform, the supporting platform comprises a top plate, a bottom plate, a fixing plate and a supporting column connected between the top plate and the bottom plate, the top plate and the bottom plate are triangular, three supporting columns are provided and respectively connected to the triangular part of the top plate and the triangular part of the bottom plate, three adjusting baffle mechanisms are provided, and each adjusting baffle mechanism is arranged between two adjacent supporting columns; the fixing plate is fixed to the top plate by a supporting rod, and the hydraulic accumulator is connected to the fixing plate; According to the direction of the waves, the adjustment baffle corresponding to the direction of the waves rises, and the other adjustment baffles fall.

2. The heaving buoy wave energy power generation device according to claim 1, characterized in that: The heave float is a cone structure surrounded by irregular curved surfaces and having a wide upper part and a narrow lower part.

3. The heaving buoy wave energy power generation device according to claim 1, characterized in that: The vertical guide mechanism is provided with three and is distributed in a triangular shape on the outer circumference of the vertical float. The sliding column is a cylinder. The sliding member is a sliding sleeve arranged on the sliding column. A bearing is arranged between the sliding sleeve and the sliding column. A connecting rod is arranged on the side of the sliding member facing the vertical float, and the shock absorber is connected between the connecting rod and the vertical float.

4. The heaving buoy wave energy power generation device according to claim 3, characterized in that: The upper part of the sliding column and the lower part of the sliding column are both covered with limited shock-absorbing springs.

5. The heaving buoy wave energy power generation device according to claim 1, characterized in that: The support column is provided with an inner cavity for setting the driving regulator, and each of the adjusting baffle mechanisms is provided with two driving regulators, and the driving regulator includes a screw pair, a driving motor and a connecting block, one end of the screw of the screw pair is rotatably connected to the support column, and the other end of the screw of the screw pair is connected to the output shaft of the driving motor, and the driving motor is fixed on the support column, and the connecting block is connected to the nut of the screw pair, and the two sides of the adjusting baffle are respectively connected to the two connecting blocks.

6. The heaving buoy wave energy power generation device according to claim 1, characterized in that: The hydraulic energy storage device includes a hydraulic cylinder, an accumulator, a hydraulic motor and a generator. The hydraulic cylinder is fixed on the fixed plate. A bearing is provided between the piston rod of the hydraulic cylinder and the fixed plate. The piston rod of the hydraulic cylinder is connected to the universal coupling. The hydraulic cylinder is connected to the accumulator through a hydraulic pipeline. The accumulator is connected to the hydraulic motor. The hydraulic motor drives the generator to generate electricity.

7. The heaving buoy wave energy power generation device according to claim 1, characterized in that: The top plate and the bottom plate are both equilateral triangles, and a through hole is provided at the center of the top plate and the center of the bottom plate, and the through hole is equilateral triangle.

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