CN117722308A - Suspension type ocean energy power generation device - Google Patents
Suspension type ocean energy power generation device Download PDFInfo
- Publication number
- CN117722308A CN117722308A CN202311728073.8A CN202311728073A CN117722308A CN 117722308 A CN117722308 A CN 117722308A CN 202311728073 A CN202311728073 A CN 202311728073A CN 117722308 A CN117722308 A CN 117722308A
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- power generation
- pituitary
- generation mechanism
- floating body
- ocean
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- 238000010248 power generation Methods 0.000 title claims abstract description 117
- 239000000725 suspension Substances 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 102
- 230000001817 pituitary effect Effects 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a suspension type ocean energy power generation device, and relates to the technical field of ocean renewable energy development and utilization. The suspended ocean energy power generation device comprises a power generation mechanism and a posture adjustment mechanism, wherein the posture adjustment mechanism is used for adjusting the posture of the power generation mechanism; the attitude of the power generation mechanism in the ocean is adjusted through the attitude adjusting mechanism, so that the attitude of the power generation mechanism is kept stable under the condition of single-point mooring, and stable power generation is realized. The gesture adjusting mechanism comprises an upper floating body, a lower pituitary body and a connecting rod, wherein the upper floating body and the lower pituitary body are respectively arranged at the upper end and the lower end of the power generating mechanism, and the upper floating body and the lower pituitary body are horizontally arranged; the connecting rod is connected to the power generation mechanism, and the mooring point is arranged on the connecting rod. The suspended ocean energy power generation device is simple in structure, stable in posture of a power generation mechanism can be guaranteed, and power generation performance is improved.
Description
Technical Field
The invention relates to the technical field of ocean renewable energy development and utilization, in particular to a suspension type ocean energy power generation device.
Background
At present, most ocean energy power generation devices are put in offshore or shallow sea areas and adopt fixed structures such as a bottom seat type structure or a pile foundation type structure, but have obvious advantages in aspects of installation, recovery, maintenance and the like in deep open sea, floating structures or floating structures and other non-fixed structures. Compared with a fixed ocean energy power generation device, the floating or suspension ocean energy power generation device has a relatively simple structure, floats on or below the water surface, can effectively resist typhoon influence, and is convenient for site construction and maintenance.
The suspension type ocean energy power generation device usually adopts single-point mooring, but the existing suspension type ocean energy power generation device can not stably generate power due to shaking of the power generation device under the condition of single-point mooring, the power generation device can incline under the action of ocean currents, and the inclination angle can be increased along with the increase of the ocean current speed, so that the power generation performance is seriously affected.
Disclosure of Invention
The invention aims to provide a suspended ocean energy power generation device so as to realize stable posture of the suspended ocean energy power generation device under the single point mooring condition and ensure the power generation performance.
To achieve the purpose, the invention adopts the following technical scheme:
a floating ocean power plant comprising:
a power generation mechanism;
the gesture adjusting mechanism is used for adjusting the gesture of the power generating mechanism; the gesture adjusting mechanism comprises an upper floating body, a lower pituitary body and a connecting rod, wherein the upper floating body and the lower pituitary body are respectively arranged at the upper end and the lower end of the power generating mechanism, and the upper floating body and the lower pituitary body are horizontally arranged; the connecting rod is connected to the power generation mechanism, and the mooring point is arranged on the connecting rod.
As an alternative scheme of the floating ocean power generation device, the gesture adjusting mechanism further comprises balance rudders, wherein the balance rudders are arranged on the pituitary body, and the balance rudders and the connecting rods are respectively arranged on two opposite sides of the power generation mechanism.
As an alternative to the floating ocean power plant, the torque of the upper floating body to the mooring point is equal to the torque of the lower pituitary body to the mooring point.
As an alternative scheme of the suspended ocean power generation device, the connecting rod comprises a vertical rod and two horizontal rods, the two horizontal rods are respectively arranged at two ends of the vertical rod, one of the two horizontal rods is connected with the upper end of the power generation mechanism, the other horizontal rod is connected with the lower end of the power generation mechanism, and the mooring point is arranged on the vertical rod.
As an alternative to the floating ocean power plant, the pituitary has a density greater than the upper floating body.
As an alternative to the floating ocean power generation device, the upper floating body is provided in a flat shape.
As an alternative to the floating ocean power generation device, the upper floating body is a ellipsoid, a revolution body of a symmetrical wing shape front half or a rear half, or a triangle revolution body.
As an alternative to the floating ocean power generation device, the lower pituitary is provided in a cylindrical shape, and one end of the cylindrical lower pituitary is provided as a conical head.
As an alternative to the floating ocean power plant, the power generation mechanism is a vertical axis turbine or a horizontal axis turbine.
The invention has the beneficial effects that:
the suspended ocean energy power generation device comprises a power generation mechanism and an attitude adjusting mechanism, wherein the attitude of the power generation mechanism in the ocean is adjusted through the attitude adjusting mechanism, so that the attitude of the power generation mechanism is kept stable under the condition of single-point mooring, and stable power generation is realized. The gesture adjusting mechanism comprises an upper floating body, a lower pituitary body and a connecting rod, wherein the upper floating body and the lower pituitary body are respectively arranged at the upper end and the lower end of the power generating mechanism, and the upper floating body and the lower pituitary body are horizontally arranged. The connecting rod is connected to the power generation mechanism, and the mooring point is arranged on the connecting rod. The upper floating body is matched with the lower pituitary body to provide a balance moment for the power generation mechanism, when the power generation mechanism generates pitching moment or overturning moment due to the action of ocean currents, the power generation mechanism inclines, the heights of the upper floating body and the lower pituitary body change, the upper floating body generates additional buoyancy, and the lower pituitary body generates additional gravity, so that the balance moment is generated, and the power generation mechanism is straightened from an inclined state. Further, the mooring points are arranged on the connecting rods connecting the upper floating body and the lower pituitary body, so that the inclination caused by different moments generated by fluid acting forces applied to the upper floating body and the lower pituitary body to the mooring points can be reduced, the inflow of the power generation mechanism is more uniform, the vibration of the power generation mechanism is reduced, and the capturing capacity of the power generation mechanism is improved. The suspended ocean energy power generation device is simple in structure, stable in posture of a power generation mechanism can be guaranteed, and power generation performance is improved.
Drawings
FIG. 1 is a schematic diagram of a floating ocean power plant according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an attitude adjusting mechanism provided by an embodiment of the present invention;
fig. 3 is a schematic structural view of an upper floating body according to an embodiment of the present invention.
In the figure:
1. a power generation mechanism;
2. a posture adjustment mechanism; 21. an upper floating body; 22. a lower pituitary; 23. a connecting rod; 231. a vertical rod; 2311. mooring points; 232. a horizontal bar; 24. a first support bar; 25. a second support bar; 26. and a vertical tail.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, either fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Unless expressly stated or limited otherwise, a first feature being "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present embodiment provides a floating ocean power generation device, which includes a power generation mechanism 1 and a posture adjustment mechanism 2, the posture adjustment mechanism 2 being used for adjusting the posture of the power generation mechanism 1; the attitude of the power generation mechanism 1 in the ocean is adjusted through the attitude adjusting mechanism 2, so that the attitude of the power generation mechanism 1 is kept stable under the condition of single-point mooring, and stable power generation is realized.
Specifically, the power generation mechanism 1 is a vertical axis turbine or a horizontal axis turbine. The specific structure of the vertical axis turbine and the horizontal axis turbine and the working principle of generating electric energy are already the prior art, and are not described herein.
The posture adjustment mechanism 2 provided in this embodiment can adjust the posture of the vertical axis turbine as well as the posture of the horizontal axis turbine.
As shown in fig. 2, the posture adjusting mechanism 2 comprises an upper floating body 21, a lower pituitary 22 and a connecting rod 23, wherein the upper floating body 21 and the lower pituitary 22 are respectively arranged at the upper end and the lower end of the power generating mechanism 1, and the upper floating body 21 and the lower pituitary 22 are horizontally arranged; the link 23 is connected to the power generation mechanism 1, and the mooring point 2311 is provided on the link 23. The upper floating body 21 and the lower pituitary 22 cooperate to provide a balance moment for the power generation mechanism 1, when the power generation mechanism 1 generates pitching moment or overturning moment due to the ocean current effect, the power generation mechanism 1 tilts, the heights of the upper floating body 21 and the lower pituitary 22 change, the upper floating body 21 generates additional buoyancy, and the lower pituitary 22 generates additional gravity, so that the balance moment is generated, and the power generation mechanism 1 is straightened from the tilting state. Further, the mooring point 2311 is arranged on the connecting rod 23 connected with the power generation mechanism 1, so that inclination caused by different moments generated by fluid acting forces applied to the mooring point 2311 by the upper floating body 21 and the lower pituitary 22 can be reduced, inflow of the power generation mechanism 1 is more uniform, vibration of the power generation mechanism 1 is reduced, and capturing capacity of the power generation mechanism 1 is improved. The suspended ocean energy power generation device is simple in structure, stable in posture of the power generation mechanism 1 can be guaranteed, and power generation performance is improved.
The power generation mechanism 1 is arranged between the upper floating body 21 and the lower pituitary 22, the suspended ocean energy power generation device is connected to a platform or an ocean instrument on the sea bottom, on the sea surface or at different depths through a mooring point 2311 positioned on a connecting rod 23, is connected with ocean electric equipment through an underwater cable to supply power for the ocean electric equipment, and is suitable for ocean energy hydraulic turbines of different types and sizes.
Specifically, the density of the lower pituitary 22 is greater than that of the upper floating body 21. The upper floating body 21 is provided with a hollow structure and/or the upper floating body 21 is made of a lightweight pressure-resistant material, and the lightweight pressure-resistant material commonly used at present is compounded by using epoxy resin as a binder, filling a large amount of hollow glass beads, additives and the like. The pituitary 22 is generally a solid structure. The weight of the upper floating body 21 is far smaller than that of the lower pituitary 22, and the lighter the upper floating body 21 is, the greater the upward buoyancy the power generation mechanism 1 receives; the heavier the lower pituitary 22 is, the greater the downward gravity applied to the power generation mechanism 1, and when the power generation mechanism 1 is inclined by the pitching moment or the rolling moment generated by the ocean current, the upper floating body 21 pulls the power generation mechanism 1 upward, and the lighter the lower pituitary 22 pulls the power generation mechanism 1 downward, the heavier the lower pituitary 22 is, and the easier the power generation mechanism 1 is straightened.
Further, the upper float 21 is provided in a flat shape. The flat upper floating body 21 can reduce the fluid resistance of the upper floating body 21, reduce the vortex formed by the seawater flowing through the upper floating body 21, and is beneficial to the stable operation of the power generation mechanism 1; but also to be able to balance part of the pitch and roll moments of the power generation mechanism 1.
Specifically, the upper float 21 is provided as a revolution body of an ellipsoid, a symmetrical airfoil shape front half or a rear half or a triangular revolution body. As shown in fig. 3, in the present embodiment, the upper float 21 is provided as an ellipsoid having a large aspect ratio.
Because of the low drag of the symmetrical airfoil, in other embodiments, the upper floating body 21 may be configured as a body of revolution in the front half of the symmetrical airfoil, or as a body of revolution in the rear half of the symmetrical airfoil. The upper float 21 may also be provided as a triangular rotator. The specific size and materials used for the upper float 21 may be adjusted according to the depth of deployment of the power generation mechanism 1 in the sea to ensure that the power generation mechanism 1 floats at a predetermined depth and stably generates power.
The lower lobe 22 is provided in a cylindrical shape, and one end of the cylindrical lower lobe 22 is provided in a conical head. Providing one end of the lower lobe 22 as a conical head can reduce the fluid resistance.
The upper floating body 21 and the lower pituitary 22 can only balance moment in the pitching direction and the rolling direction, and when the direction of ocean current changes or the ocean current flows unevenly, the stability of the attitude of the power generation mechanism 1 can be affected. Further, the posture adjusting mechanism 2 further includes a balance rudder provided on the lower pituitary 22, and the balance rudder and the link 23 are provided on opposite sides of the power generating mechanism 1, respectively. The balance rudder can balance yaw moment, so that the stable posture of the power generation mechanism 1 is further ensured; and moreover, the balance rudder is integrated on the lower pituitary 22, so that the structure of the suspended ocean power generation device is simplified, the size is smaller, and the reliability of the suspended ocean power generation device is improved.
Specifically, as shown in fig. 1 and 2, the balance rudder is a vertical tail wing 26, and the vertical tail wing 26 and the connecting rod 23 are respectively arranged on two opposite sides of the power generation mechanism 1, so that yaw moment can be balanced, and the situation that the stator and the rotor of the power generation mechanism 1 cannot generate power without relative rotation can be effectively prevented.
In this embodiment, the vertical tail 26 is disposed at the end of the lower lobe 22 remote from the cone head. In order to avoid interference of the vertical tail 26 with the power generation mechanism 1, which affects power generation by the power generation mechanism 1, the length of the end of the vertical tail 26 near the power generation mechanism 1 is set smaller than the length of the end of the vertical tail 26 far from the power generation mechanism 1.
Of course, in other embodiments, the balance rudder may be configured as a V-shaped tail symmetrical with respect to the pituitary 22.
Specifically, referring to fig. 2, the connecting rod 23 includes a vertical rod 231 and two horizontal rods 232, the two horizontal rods 232 are respectively disposed at two ends of the vertical rod 231, one of the two horizontal rods 232 is connected with the upper end of the power generation mechanism 1, the other horizontal rod 232 is connected with the lower end of the power generation mechanism 1, and the mooring point 2311 is disposed on the vertical rod 231. The lower end of the upper floating body 21 is connected with a first supporting rod 24, the upper end of the lower pituitary body 22 is connected with a second supporting rod 25, in this embodiment, the power generation mechanism 1 is configured as a vertical shaft turbine, the first supporting rod 24 and the second supporting rod 25 are respectively connected with two ends of a vertical shaft of the vertical shaft turbine, among two horizontal rods 232, a horizontal rod 232 close to the first supporting rod 24 is connected with the first supporting rod 24, and a horizontal rod 232 close to the second supporting rod 25 is connected with the second supporting rod 25. The mooring point 2311 is disposed on the vertical rod 231, and thus inclination due to the difference in moment generated to the mooring point 2311 due to the fluid force applied to the upper floating body 21 and the lower pituitary 22 can be reduced.
Further, the torque of the upper floating body 21 against the mooring point 2311 is equal to the torque of the lower body 22 against the mooring point 2311. The specific position of the mooring point 2311 on the vertical rod 231 needs to be calculated, and the calculation is performed according to the stress conditions of the upper floating body 21 and the lower pituitary 22, so that the torque of the force applied to the upper floating body 21 to the mooring point 2311 is equal to the torque of the force applied to the lower pituitary 22 to the mooring point 2311, and the power generation mechanism 1 is not easy to deflect.
According to the floating ocean power generation device provided by the embodiment, the upper floating body 21 and the lower pituitary 22 are arranged to balance the pitching and overturning motions of the power generation mechanism 1, the balance rudder and the lower pituitary 22 are integrated together, the balance rudder can balance the yaw moment born by the power generation mechanism 1, the posture of the power generation mechanism 1 is more stable, and the larger power generation performance is brought; and the structure is simplified, the size is smaller, and the reliability of the power generation mechanism 1 is improved. The mooring point 2311 is arranged on the connecting rod 23, so that the power generation mechanism 1 is prevented from being greatly inclined, and the power generation performance is further improved.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (10)
1. The utility model provides a suspension ocean power generation facility which characterized in that includes:
a power generation mechanism (1);
a posture adjustment mechanism (2) for adjusting the posture of the power generation mechanism (1); the gesture adjusting mechanism (2) comprises an upper floating body (21), a lower pituitary body (22) and a connecting rod (23), wherein the upper floating body (21) and the lower pituitary body (22) are respectively arranged at the upper end and the lower end of the power generating mechanism (1), and the upper floating body (21) and the lower pituitary body (22) are horizontally arranged; the connecting rod (23) is connected to the power generation mechanism (1), and the mooring point (2311) is arranged on the connecting rod (23).
2. The floating ocean power generation device according to claim 1, wherein the attitude adjusting mechanism (2) further comprises a balance rudder provided on the lower pituitary (22), and the balance rudder and the connecting rod (23) are provided on opposite sides of the power generation mechanism (1), respectively.
3. The floating ocean power plant of claim 2, wherein the balance rudder comprises a vertical tail (26).
4. The floating ocean power plant according to claim 1, characterized in that the torque of the mooring point (2311) by the force exerted by the upper floating body (21) is equal to the torque of the mooring point (2311) by the force exerted by the lower pituitary (22).
5. The floating ocean power generation device according to claim 1, wherein the connecting rod (23) comprises a vertical rod (231) and two horizontal rods (232), the two horizontal rods (232) are respectively arranged at two ends of the vertical rod (231), one horizontal rod (232) is connected with the upper end of the power generation mechanism (1), the other horizontal rod (232) is connected with the lower end of the power generation mechanism (1), and the mooring point (2311) is arranged on the vertical rod (231).
6. A floating ocean power plant according to any one of claims 1-5, characterized in that the density of the pituitary (22) is greater than the density of the upper floating body (21).
7. A floating ocean power plant according to any one of claims 1-5, characterized in that the upper floating body (21) is arranged flat.
8. The floating ocean power generation device according to claim 7, wherein the upper floating body (21) is provided as a ellipsoid, a symmetrical airfoil front half or rear half revolution or a triangular revolution.
9. A floating ocean power plant according to any one of claims 1-5, characterized in that the pituitary (22) is arranged cylindrically, one end of the cylindrical pituitary (22) being arranged conically.
10. A floating ocean power plant according to any one of claims 1-5, characterized in that the power generating means (1) is a vertical axis turbine or a horizontal axis turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311728073.8A CN117722308A (en) | 2023-12-15 | 2023-12-15 | Suspension type ocean energy power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311728073.8A CN117722308A (en) | 2023-12-15 | 2023-12-15 | Suspension type ocean energy power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117722308A true CN117722308A (en) | 2024-03-19 |
Family
ID=90204720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311728073.8A Pending CN117722308A (en) | 2023-12-15 | 2023-12-15 | Suspension type ocean energy power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117722308A (en) |
-
2023
- 2023-12-15 CN CN202311728073.8A patent/CN117722308A/en active Pending
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