Wave energy power generation device

Abstract

The utility model discloses a wave power generation device which comprises an installation frame, energy storage equipment and two generator sets. The mounting frame comprises a floating body and two supports, the floating body is connected to the two supports respectively, and the extending directions of the two supports intersect; the two sets of generator sets are installed on the two supports respectively, each generator set comprises a plurality of wave energy generators, the multiple wave energy generators in the same set are arranged in the extending direction of the corresponding supports at intervals and are the same in axial direction, and the axial directions of the two sets of wave energy generators intersect with each other. And the energy storage equipment is electrically connected with each wave energy generator. According to the scheme, the utilization efficiency of wave energy can be improved, the power supply device can be suitable for the open sea, supplies power to the underwater vehicle sailing in the open sea, has extremely high concealment, provides advantages for sailing of the underwater vehicle in the military industry field, and is simple in structure and capable of saving cost.

Description

Technical Field

[0001] The utility model relates to the technical field of ocean energy utilization, in particular to a wave energy power generation device. Background Art

[0002] Underwater unmanned vehicles can dive underwater to carry out operations, and have many advantages that large aircraft do not have. However, the lack of energy and power supplement means that underwater vehicles can only operate within a limited working radius, and further promotion of the use of aircraft is restricted. Wave power generation devices can convert the kinetic energy of waves into electrical energy, which can better provide electrical energy for underwater unmanned vehicles at sea.

[0003] For example, patent CN214836840U discloses a reciprocating wave energy power generation device, in which the connecting rod is driven by the wave push plate to make reciprocating motion. Since a universal joint is provided between the connecting rod and the wave push plate, the connecting rod is always in the same straight line with the device inside the generator. After the wave push plate moves toward the bottom plate of the device under the impact of the waves, the spring pushes the wave push plate and the connecting rod to return to the initial position, and the cycle repeats.

[0004] However, the power generation device in this patent needs to be fixed on a coastal dam for use, and cannot solve the problem of charging underwater unmanned vehicles in the open sea, which limits the use of underwater vehicles in the open sea. Utility Model Content

[0005] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and to propose a wave energy power generation device to solve the technical problem that the power generation device in the prior art needs to be fixed on a coastal dam for use, and cannot solve the problem of charging an underwater unmanned vehicle in the open sea, which limits the use of the underwater vehicle in the open sea.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a wave energy power generation device, comprising:

[0008] The mounting frame comprises a floating body and two brackets, wherein the floating body is respectively connected to the two brackets, and the extension directions of the two brackets intersect;

[0009] Two groups of generator sets are respectively installed on the two brackets, each of the generator sets includes a plurality of wave energy generators, and the plurality of wave energy generators in the same group are arranged at intervals along the extension direction of the corresponding bracket and have the same axial direction, and the axial directions of the wave energy generators in the two groups intersect; and

[0010] The energy storage device is electrically connected to each of the wave energy generators.

[0011] In some embodiments, the extension directions of the two brackets are perpendicular, and the axes of the two groups of wave energy generators are perpendicular.

[0012] In some embodiments, the middle parts of the two brackets are connected, and the floating body is connected to the middle parts of the two brackets, and the wave energy generator is respectively provided at both ends of each bracket:

[0013] The diameter of the wave energy generator is D, the distance from both ends of one bracket to the center of the floating body is L1, and the distance from both ends of the other bracket to the center of the floating body is L2, satisfying 1.4≤L1 / D≤1.6, 1.8≤L2 / D≤2.2.

[0014] In some embodiments, the wave energy generator is a hydro turbine generator.

[0015] In some embodiments, the bracket includes a connecting frame and two fixing frames, the two fixing frames are arranged at intervals, the connecting frame is connected to the two fixing frames, and the two fixing frames of the bracket are inserted between the two fixing frames of another bracket;

[0016] The floating bodies are respectively located between the two fixing frames of the two brackets and connected to the middle part of each fixing frame.

[0017] In some embodiments, a plurality of the connecting frames are provided, and the plurality of the connecting frames are arranged at intervals along the extension direction of the fixing frame.

[0018] In some embodiments, each group of the wave energy generators is provided with two wave energy generators, and the two wave energy generators are respectively located at two ends of the corresponding fixing frames and connected between the two fixing frames in the same group.

[0019] In some embodiments, the energy storage device is fixed to the bottom of the water, and the wave energy power generation device further includes an elastic cable, which is connected to the floating body and the energy storage device.

[0020] In some embodiments, the float includes a conductor located inside and an insulating layer located on the outer surface, the elastic cable includes a wire and an elastic insulator coated outside the wire, and the energy storage device, the wire, the conductor and each of the wave energy generators are electrically connected in sequence.

[0021] In some embodiments, the fixing frame and the connecting frame are made of aluminum profiles, and a wiring channel is provided inside the fixing frame corresponding to the wave power generator, and the electrical connection cable between the conductor and the wave power generator is passed through the corresponding wiring channel.

[0022] Compared with the prior art, in the wave energy power generation device provided by the utility model, the extension directions of the two brackets intersect, and wave energy generators are respectively arranged on the two brackets, and the axial directions of the wave energy generators on the two brackets are arranged to intersect, so that the wave energy in two directions can be utilized, which is in line with the main flow direction of seawater in the sea area and improves the efficiency of wave energy utilization; at the same time, the two brackets are floated in the water through the buoy, and the energy storage device stores the electric energy generated by the wave energy generator, which can be suitable for the open sea and power underwater vehicles sailing in the open sea. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a wave energy power generation device provided by an embodiment of the utility model;

[0024] Figure 2 yes Figure 1 Dimensional diagram between the middle floating body and the hydro-generator;

[0025] Figure 3 yes Figure 1 Schematic diagram of the structure of the hydro-generator.

[0026] Description of reference numerals:

[0027] 1. Floating body; 2. Bracket; 21. Fixed frame; 22. Connecting frame; 3. Wave energy generator; 31. Hydro-turbine generator; 311. Blade; 312. Outer frame; 313. Middle bearing; 4. Energy storage device; 5. Elastic cable. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] In order to solve the technical problem that the power generation device in the prior art needs to be fixed on the coastal dam for use, and cannot solve the problem of charging the underwater unmanned vehicle in the open sea, which limits the use of the underwater vehicle in the open sea, the utility model provides a wave energy power generation device that can be used in the open sea to power underwater vehicles sailing in the open sea and has extremely strong concealment.

[0030] See also Figure 1 , Figure 1It is a structural schematic diagram of a wave energy power generation device in an embodiment of the utility model, the wave energy power generation device includes a mounting frame, an energy storage device 4 and two groups of generator sets; the mounting frame includes a floating body 1 and two brackets 2, the floating body 1 is respectively connected to the two brackets 2, and the extension directions of the two brackets 2 intersect; the two groups of generator sets are respectively installed on the two brackets 2, each generator set includes a plurality of wave energy generators 3, and the plurality of wave energy generators 3 in the same group are arranged at intervals along the extension direction of the corresponding bracket 2, and the axial directions are the same, and the axial directions of the wave energy generators 3 of the two groups intersect; the energy storage device 4 is electrically connected to each wave energy generator 3, respectively.

[0031] In the wave energy power generation device provided by the utility model, the extension directions of the two brackets 2 intersect, and the wave energy generators 3 are respectively arranged on the two brackets 2, and the axial directions of the wave energy generators 3 on the two brackets 2 are arranged to intersect, so that the wave energy in two directions can be utilized, which is in line with the main flow direction of seawater in the sea area and improves the efficiency of wave energy utilization; at the same time, the two brackets 2 are floated in the water through the floating body 1, and the energy storage device 4 stores the electric energy generated by the wave energy generator 3, which can be suitable for the open sea and power underwater vehicles sailing in the open sea.

[0032] Specifically, the float 1 enables the bracket 2 equipped with the wave energy generator 3 to float in the water, while the energy storage device 4 is also submerged in the water, so that the device can be below the water surface all the time, with extremely strong concealment, which provides advantages for the navigation of underwater vehicles in the military field, and has a simple structure and saves costs.

[0033] In one embodiment, the extension directions of the two brackets 2 are perpendicular, and the axial directions of the two groups of wave energy generators 3 are perpendicular.

[0034] In this embodiment, the two brackets 2 are arranged vertically, and the axes of the wave energy generators 3 on the two brackets 2 are vertical to reduce the interference of the brackets 2 on the water flow. At the same time, the device can simultaneously convert vertical waves and horizontal waves into usable electrical energy, thereby improving the wave energy conversion efficiency.

[0035] In one embodiment, see Figure 2 The middle parts of the two brackets 2 are connected, and the floating body 1 is connected to the middle parts of the two brackets 2. The two ends of each bracket 2 are respectively provided with a wave energy generator 3: the diameter of the wave energy generator 3 is D, the distance from the two ends of one bracket 2 to the center of the floating body 1 is L1, and the distance from the two ends of the other bracket 2 to the center of the floating body 1 is L2, satisfying 1.4≤L1 / D≤1.6, 1.8≤L2 / D≤2.2. In addition, the wave energy generator 3 is a hydroelectric generator 31.

[0036] In this embodiment, the length of the bracket 2 is set according to the above parameters so that the distance between the components of the hydro-generator 31 is as consistent as possible with the wave amplitude and wavelength of the sea area, maximizing the mechanical energy of the device. Specifically, in this solution, the distance between the hydro-generator 31 in the horizontal direction and the center of the floating body 1 is 2D, and the distance between the hydro-generator 31 in the vertical direction and the center of the floating body 1 is 1.5D.

[0037] In addition, in this solution, the axial direction of the hydro-generator 31 located on the horizontal support 2 is the vertical direction, and the axial direction of the hydro-generator 31 located on the vertical support 2 is the horizontal direction. Figure 3 The hydro-generator 31 is composed of an outer frame 312, blades 311 and a middle bearing 313. Specifically, the outer frame 312 is composed of a ring with an outer ring of 70 mm, an inner ring of 56.419 mm and a thickness of 34 mm. The outer frame 312 can control the flow direction of the water flow while protecting the blades 311, so that the water flow velocity is perpendicular to the plane where the blades 311 are located, thereby increasing the energy conversion efficiency.

[0038] Six fan-shaped blades 311 and a central bearing 313 are installed in the outer frame 312. The area of ​​each fan-shaped blade 311 is 0.086m 2 , the spacing is 37.016mm, the blade 311 has a rotation angle of 65°, and a cylindrical surface cluster with a radius of 80, 100, 140, 180, 220, 260, and 280mm is created with the axis of the turbine generator 31 group as the center. The cross-sectional shape of the blade 311 can be obtained by projecting the intersection line of the cylindrical surface cluster and the blade 311 of the turbine generator 31 on the plane. The blade 311 can rotate with the flow of water, converting the kinetic energy of the water into the mechanical energy of the blade 311. The blade 311 will drive the middle bearing 313 to rotate, and generate electricity through the generator in the bearing based on the principle of cutting magnetic flux lines.

[0039] The middle bearing 313 is a cylinder with a bottom radius of 14.2mm and a height of 34.55mm. A generator that can generate electricity by rotating and cutting magnetic flux lines is installed inside the cylinder. The front of the cylinder facing the water flow is a hemisphere with a bottom radius of 14.5mm, which is used to reduce the resistance of the middle bearing 313 in the direction of water flow, increase the flow rate and kinetic energy of water at the blade 311, and improve the energy acquisition efficiency.

[0040] In one embodiment, the bracket 2 includes a connecting frame 22 and two fixing frames 21, the two fixing frames 21 are arranged at intervals, the connecting frame 22 is connected to the two fixing frames 21, and the two fixing frames 21 of the bracket 2 are inserted between the two fixing frames 21 of the other bracket 2; the floating body 1 is respectively located between the two fixing frames 21 of the two brackets 2 and connected to the middle of each fixing frame 21.

[0041] In this embodiment, one bracket 2 is passed through two fixing frames 21 of another bracket 2, and the floating body 1 is fixed between the two fixing frames 21 of each bracket 2, so that the overall structure is more compact. Specifically, in this solution, a plurality of connecting frames 22 are provided, and a plurality of connecting frames 22 are arranged at intervals along the extension direction of the fixing frames 21 to improve the strength of the mounting frame. In addition, each group of wave energy generators 3 is provided with two, and the two wave energy generators 3 are respectively located at the two ends of the corresponding fixing frames 21 and connected between the two fixing frames 21 of the same group. The device is arranged symmetrically to improve stability.

[0042] In one embodiment, the energy storage device 4 is fixed to the bottom of the water, and the wave energy power generation device further includes an elastic cable 5 , which is connected to the floating body 1 and the energy storage device 4 .

[0043] In this embodiment, the energy storage device 4 is fixed to the bottom of the water and can be equipped with a signal indicator, such as a GPS locator, to allow the underwater vehicle to approach the energy storage device 4; and the energy storage device 4 is connected to the floating body 1 through an elastic cable 5 to prevent the floating body 1 and the mounting frame from being thrown away from the predetermined position, thereby improving stability and having a simple and reliable structure.

[0044] In one embodiment, the floating body 1 includes a conductor located inside and an insulating layer located on the outer surface, the elastic cable 5 includes a wire and an elastic insulator wrapped around the wire, and the energy storage device 4, the wire, the conductor and each wave energy generator 3 are electrically connected in sequence.

[0045] In this embodiment, the density of the float 1 is slightly smaller than the density of seawater. The outer surface of the float 1 is an insulating layer, and there is a conductive material inside. The electric energy generated by the generator in the middle bearing 313 can be transmitted to the wire inside the elastic cable 5 via the conductor to be stored in the energy storage device 4.

[0046] In one embodiment, the fixing frame 21 and the connecting frame 22 are made of aluminum profiles, and a wiring channel is provided inside the fixing frame 21 corresponding to the wave energy generator 3, and the electrical connection cables between the conductor and the wave energy generator 3 are passed through the corresponding wiring channel.

[0047] In this embodiment, the fixing frame 21 and the connecting frame 22 are made of European standard 20X20 aluminum profiles. The fixing frame 21 of the horizontal part of the bracket 2 is composed of two aluminum profiles with a length of 4D as the frame, and the distance between adjacent D. And longitudinal aluminum profiles are set at 0.5D and 1.5D from both ends to the midpoint to fix the longitudinal aluminum profiles and the connecting frame 22. The vertical part of the bracket 2 is composed of two aluminum profiles with a length of 3D as the frame, and the distance between adjacent D. From both ends to the midpoint, longitudinal aluminum profiles are set at 0.5D and D to fix the longitudinal aluminum profiles. It is characterized by a light structure and rich accessories. It can realize a variety of structural forms through flexible combination. The outer shell is waterproof and sealed to increase its service life in seawater. Among them, the wiring channel is formed in the aluminum profile of the fixing frame 21 to facilitate the wiring of the electrical connection cable and improve the service life of the electrical connection cable.

[0048] In order to better understand the present invention, the following Figures 1 to 3 The technical solution of the utility model is described in detail:

[0049] The blades 311 of the hydro-generator 31 can rotate as the water flows, converting the kinetic energy of the water into the mechanical energy of the blades 311. The blades 311 will drive the middle bearing 313 to rotate, and the generator in the bearing will generate electricity based on the principle of cutting the magnetic flux lines. The generated electric energy is transmitted to the energy storage device 4 through the conductor of the floating body 1 and the wire of the elastic cable 5 for storage, so as to be used by the underwater vehicle. The floating body 1 can make the mounting frame float in the water, and the energy storage device 4 is fixed to the bottom of the water, so that the device can be used in the open sea, and is under the water surface all the time, with good concealment.

[0050] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A wave energy power generation device, characterized in that: include: The mounting frame comprises a floating body and two brackets, wherein the floating body is respectively connected to the two brackets, and the extension directions of the two brackets intersect; Two groups of generator sets are respectively installed on the two brackets, each of the generator sets includes a plurality of wave energy generators, and the plurality of wave energy generators in the same group are arranged at intervals along the extension direction of the corresponding bracket, and have the same axial direction, and the axial directions of the wave energy generators in the two groups intersect; and Energy storage devices are electrically connected to the wave energy generators respectively; Wherein, the extension directions of the two brackets are perpendicular, and the axes of the two groups of wave energy generators are perpendicular; The middle parts of the two brackets are connected, and the floating body is connected to the middle parts of the two brackets, and the wave energy generator is respectively arranged at both ends of each bracket: The diameter of the wave energy generator is D, the distance from both ends of one bracket to the center of the floating body is L1, and the distance from both ends of the other bracket to the center of the floating body is L2, satisfying 1.4≤L1 / D≤1.6, 1.8≤L2 / D≤2.

2.

2. The wave energy power generation device according to claim 1, characterized in that: The wave energy generator is a water turbine generator.

3. The wave energy power generation device according to claim 1, characterized in that: The bracket comprises a connecting frame and two fixing frames, the two fixing frames are arranged at intervals, the connecting frame is connected to the two fixing frames, and the two fixing frames of the bracket are inserted between the two fixing frames of another bracket; The floating bodies are respectively located between the two fixing frames of the two brackets and connected to the middle part of each fixing frame.

4. The wave energy power generation device according to claim 3, characterized in that: A plurality of the connecting frames are provided, and the plurality of the connecting frames are arranged at intervals along the extending direction of the fixing frame.

5. The wave energy power generation device according to claim 3, characterized in that: Each group of wave energy generators is provided with two wave energy generators, which are respectively located at two ends of the corresponding fixing frames and connected between the two fixing frames in the same group.

6. The wave energy power generation device according to claim 3, characterized in that: The energy storage device is fixed to the bottom of the water, and the wave energy power generation device further comprises an elastic cable, which is connected to the floating body and the energy storage device.

7. The wave energy power generation device according to claim 6, characterized in that: The floating body includes an internal conductor and an insulating layer on the outer surface, the elastic cable includes a wire and an elastic insulator wrapped around the wire, and the energy storage device, the wire, the conductor and each wave energy generator are electrically connected in sequence.

8. The wave energy power generation device according to claim 7, characterized in that: The fixing frame and the connecting frame are made of aluminum profiles, and a wiring channel is provided inside the fixing frame corresponding to the wave energy generator, and the electrical connection cable between the conductor and the wave energy generator is passed through the corresponding wiring channel.

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