CN218844475U - Lifting yaw device of wave power generation system - Google Patents
Lifting yaw device of wave power generation system Download PDFInfo
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- CN218844475U CN218844475U CN202222915303.9U CN202222915303U CN218844475U CN 218844475 U CN218844475 U CN 218844475U CN 202222915303 U CN202222915303 U CN 202222915303U CN 218844475 U CN218844475 U CN 218844475U
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- wave energy
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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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Abstract
The utility model relates to a wave energy power generation system's lift yaw device, including lifting and drop rotating structure and pendulum body, the pendulum body is installed on lifting and drop rotating structure, and lifting and drop rotating structure is used for driving the pendulum body and goes up and down and rotate to the adjustment pendulum body is at the depth and orientation of the underwater, utilizes rivers to generate electricity to the pendulum body drive. The utility model discloses a wave energy power generation system's lift driftage device can go up and down and rotate through the pendulum body of control wave energy power generation system, lets the pendulum body along with wave carry out corresponding adjustment, makes the pendulum body be in all the time and carry out maximum amplitude wobbling optimum depth and orientation to this improves wave energy power generation system's generating efficiency, has solved wave energy power generation system and has received trend and morning and evening influence, and the key technical problem that energy conversion efficiency is low has promoted the conversion efficiency of wave energy.
Description
Technical Field
The utility model relates to a marine renewable energy utilizes technical field, and more specifically says, relates to a wave energy power generation system's lift driftage device.
Background
The ocean field contains abundant wave energy resources, with the maturity of wave energy power generation technology, offshore wave energy power generation gradually moves from offshore to deep open sea, and the basic form of power generation comprises offshore fixed type, deep open sea floating type and the like. However, the problems of complex structure, high manufacturing difficulty, high cost and low energy harvesting efficiency of the wave energy power generation system always restrict the commercial large-scale application of the wave energy power generation system.
A method for improving energy harvesting efficiency of a wave energy power generation system adopts a lifting coarse adjustment oil cylinder and a lifting fine adjustment oil cylinder to lift the wave energy power generation system; a hydraulic motor is adopted to drive the slewing bearing so as to drive the wave energy power generation device to rotate. The other type is a system jointly developed by adopting floating wind energy and wave energy, a floating foundation adopts a semi-submersible platform based on a truss structure, and the platform is formed by connecting a plurality of floating drums through supporting rods. The wave energy system adopts an oscillating water column type, the buoys are used as an oscillating water column type wave energy power generation device, a chamber is arranged in each buoy, a cylindrical wave inlet, a cylindrical air chamber and a cylindrical air outlet are sequentially arranged in the chamber from the bottom to the top, and an air turbine is arranged in the air outlet.
However, these existing devices have complex structures, difficult manufacturing, installation and debugging and high maintenance cost, and the devices have low energy harvesting efficiency, are greatly influenced by tide and terrain, are not beneficial to large-scale popularization and have low practical value.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provides a wave energy power generation system's lift driftage device.
The utility model provides a technical scheme that its technical problem adopted is: constructing a lifting yaw device of a wave energy power generation system, wherein the lifting yaw device comprises a lifting rotating structure and a pendulum body, and the pendulum body is arranged on the lifting rotating structure;
the lifting and rotating structure is used for driving the pendulum body to lift and rotate so as to adjust the depth and the orientation of the pendulum body under the water surface, and the pendulum body is driven to generate power by water flow.
In some embodiments, the lifting and rotating structure includes a truss and a lifting and rotating platform capable of lifting and lowering, the pendulum is mounted at the lower end of the truss, the truss is inserted into the lifting and rotating platform and is mounted on the lifting and rotating platform, so that the lifting and rotating platform drives the truss and the pendulum to lift and lower.
In some embodiments, the elevating rotary table is provided with a yaw driving motor and a rotary support, the yaw driving motor is engaged with the rotary support, and the truss is mounted on the rotary support, so that the yaw driving motor drives the truss and the pendulum body to rotate.
In some embodiments, the lifting and rotating structure further comprises at least one set of lifting components for driving the lifting and rotating platform to lift.
In some embodiments, the lifting assembly is provided with a screw elevator and a screw rod, the screw rod is rotatably mounted on the screw elevator, and the screw rod is in threaded connection with the lifting rotary table;
the lifting machine drives the screw rod to rotate relative to the lifting rotary table, and the lifting rotary table is lifted.
In some embodiments, the lifting rotary table is provided with a lifting nut for threaded connection of the lead screw.
In some embodiments, the lifting assembly is further provided with a driving member and a transmission assembly, the driving member is connected with the transmission assembly, and the transmission assembly is connected with the spiral lifter;
the driving piece is used for generating power for driving the spiral lifter to operate, and the transmission assembly is used for transmitting the power generated by the driving piece to the spiral lifter.
In some embodiments, the drive assembly includes a commutator to which the drive member is connected and at least one output shaft to which the commutator is connected and which is connected to the screw hoist;
the commutator is used for distributing power generated by the driving piece to the output shaft, and the output shaft is used for transmitting the power to the spiral elevator.
In some embodiments, the lifting yaw apparatus further comprises a support structure, the lifting rotational structure being mounted within the support structure such that the support structure provides support for the lifting rotational structure.
In some embodiments, the turntable is provided with a guide, and the support structure is provided with a groove for the guide to slide, so that the support structure guides the lifting of the turntable.
Implement the utility model discloses a wave energy power generation system's lift driftage device has following beneficial effect: the pendulum body of the wave energy power generation system can be controlled to ascend, descend and rotate, the pendulum body can be correspondingly adjusted along with waves, the pendulum body is always in the optimal depth and the direction for carrying out maximum amplitude swing, the power generation efficiency of the wave energy power generation system is improved, the key technical problems that the wave energy power generation system is influenced by tide and tide, the energy conversion efficiency is low are solved, and the conversion efficiency of the wave energy is improved.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic view of a lifting yaw device of a wave power generation system in an embodiment of the present invention;
fig. 2 is a schematic view of a lifting rotating structure and a lifting frame according to an embodiment of the present invention;
fig. 3 is a partial enlarged view of a in a schematic view of a lifting/lowering rotary structure and a lifting/lowering frame according to an embodiment of the present invention;
fig. 4 is a partially enlarged view of B in the schematic view of the lifting rotating structure and the lifting frame according to the embodiment of the present invention;
fig. 5 is a schematic view of a rotary lift table in an embodiment of the invention;
fig. 6 is a schematic view of a truss in an embodiment of the invention;
fig. 7 is a top view of the lifting/lowering rotary structure and the lifting/lowering frame according to the embodiment of the present invention;
fig. 8 is a bottom view of the lifting/lowering rotary structure and the lifting/lowering frame according to the embodiment of the present invention;
fig. 9 is a schematic view of a lifting frame in an embodiment of the present invention.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to 9 show the lifting yaw device of wave energy power generation system in some embodiments of the present invention, the device can be used to adjust the height and direction of the wave energy power generation system, so as to improve the utilization rate of the wave energy power generation system to wave energy, and improve the power generation efficiency of the wave energy power generation system, wherein the device comprises a lifting rotating structure 1 and a pendulum body 2, the pendulum body 2 is installed on the lifting rotating structure 1, and the lifting rotating structure 1 is used to drive the pendulum body 2 to lift and rotate, so as to adjust the depth and orientation of the pendulum body 2 under the water surface, and the pendulum body 2 is driven by water flow to generate power, so that the pendulum body 2 is always in the position of fully utilizing wave energy, and the power generation efficiency of the wave energy power generation system is improved.
The wave energy power generation system comprises a pendulum body, a wave energy power generation system and a wave energy power generation system, wherein the pendulum body is arranged on the pendulum body, and the pendulum body is arranged on the pendulum body.
The lifting yaw device further comprises a supporting structure 3 in some embodiments, and the lifting and rotating structure 1 is installed in the supporting structure 3 to support the lifting and rotating structure 1 when the lifting and rotating structure 1 drives the pendulum body 2 to lift and rotate, so as to prevent the lifting and rotating structure 1 and the pendulum body 2 from overturning.
Specifically, the supporting structure 3 includes a fixed anemometer tower platform 31 and a lifting frame 32 in some embodiments, the bottom of the fixed anemometer tower platform 31 is installed in the ocean, the top of the fixed anemometer tower platform 31 extends out of the water surface, the lifting frame 32 is installed in the fixed anemometer tower platform 31, the top of the lifting frame 32 is attached to the top of the fixed anemometer tower platform 31, the fixed anemometer tower platform 31 and the lifting frame both reserve a vacancy for the lifting rotating structure 1 to pass through, the lifting rotating structure 1 is installed in the lifting frame 32, the pendulum body 2 is immersed below the water surface, and then the pendulum body 2 is driven to generate electricity by water flow.
The elevation/subsidence rotation structure 1 includes a girder 11 and an elevation/subsidence rotation platform 12 in some embodiments, the elevation/subsidence rotation platform 12 can be elevated and lowered in the elevation/subsidence frame 3, the pendulum body 2 is installed at the lower end of the girder 11, and the girder 11 is installed on the elevation/subsidence rotation platform 12, it can be understood that when the elevation/subsidence rotation platform 12 is elevated and lowered in the elevation/subsidence frame 32, the girder 11 is elevated and lowered together with the elevation/subsidence rotation platform 12, and then the pendulum body 2 is elevated and lowered together with the girder 11, thereby changing the height of the pendulum body 2.
Further, in some embodiments, the turntable 12 is provided with a guiding member 124, the lifting frame 32 is provided with a groove 321 for the guiding member 124 to slide, when the turntable 12 is lifted in the lifting frame 32, the guiding member 124 slides in the groove 321, so that the lifting frame 32 guides the lifting of the turntable 12, and the turntable 12 is prevented from deviating from the direction during the lifting process, thereby damaging the lifting yaw device.
The elevating rotary table 12 is further provided with a yaw driving motor 121 and a slewing bearing 122 in some embodiments, the slewing bearing 122 is of an external gear ring type, an inner ring of the slewing bearing is fixed on the elevating rotary table 12, the truss 11 is installed on an outer ring of the slewing bearing, the yaw driving motor 121 is also fixed on the elevating rotary table 12, an output end of the yaw driving motor is an external gear which is meshed with an external gear ring of the slewing bearing 122, when an output shaft 1342 of the yaw driving motor 121 runs clockwise or counterclockwise, the truss 11 correspondingly rotates clockwise or counterclockwise through transmission of the external gear, so that the yaw driving motor 121 drives the truss 11 to rotate, and the pendulum body 2 rotates along with the rotation of the truss 11.
In some embodiments, the yaw driving motor 121 may be connected to an external sensor, the external sensor is configured to detect the action of waves in an external environment and send a specific signal to the yaw driving motor 121, and the yaw driving motor 121 automatically adjusts the power generated by the yaw driving motor after receiving the signal to control the rotation of the pendulum 2, so that the pendulum 2 always faces a position where wave energy is maximally utilized, thereby improving the conversion efficiency of the wave energy, and meanwhile, avoiding an excessive impact force from causing the device to overturn and avoiding damage to the wave energy power generation system.
The lifting/lowering/rotating structure 1 further includes a lifting/lowering assembly 13 in some embodiments, the lifting/lowering assembly 13 is provided with one or more spiral lifters 131 and a number of screw rods 132 equal to the number of the spiral lifters 131, the spiral lifters 131 are installed at the bottom of the lifting/lowering frame 32, each screw rod 132 is rotatably installed on one spiral lifter 131, the lifting/lowering rotating platform 12 is further provided with a number of lifting/lowering nuts 123 equal to the number of the screw rods 132, each screw rod 132 is threadedly connected to one lifting/lowering nut 123, the spiral lifters 131 are configured to drive the screw rods 132 to rotate relative to the lifting/lowering nuts 123, so that the lifting/lowering nuts 123 lift along the screw rods 132 when the screw rods 132 are rotated by the spiral lifters 131, it can be understood that when the screw rods 132 are driven by the spiral lifters 131 to rotate, the lifting/lowering rotating platform 12 lifts along the screw rods 132, and the truss 11 and the pendulum body 2 lift up and down with the lifting/lowering rotating platform 12, thereby changing the height of the pendulum body 2.
Further, the lead screw 132 is trapezoidal thread, and this makes the lead screw 132 have self-locking function, and this lead screw 132 can not be because of bearing influence such as gravity, wave impact and vibration promptly and self rotates, makes the lead screw 132 need just can rotate under the drive of screw lift 131, and then makes the lift of pendulum body 2 controllable, improves the stability of lift yaw device.
In some embodiments, the yaw driving motor 121 is drivingly linked to the spiral lifter 131, and when the yaw driving motor 121 drives the pivoting support 122 to rotate, the spiral lifter 131 is driven to operate, so that the spiral lifter 131 drives the screw rod 132 to rotate, and thus the pendulum 2 is driven to ascend and descend.
The lifting assembly 13 is further provided with a driving member 133 and a transmission assembly 134, the driving member 133, the transmission assembly 134 and the spiral lifter 131 are sequentially connected, the driving member 133 is used for generating power for driving the spiral lifter 131 to operate, and the transmission assembly 134 transmits the power generated by the driving member 133 to the spiral lifter 131 so that the spiral lifter 131 drives the screw rod 132 to rotate.
In some embodiments, the driving member 133 may be connected to an external sensor, the external sensor is configured to detect the action of waves in the external environment and send a specific signal to the driving member 133, and the driving member 133 automatically adjusts the power generated by the driving member after receiving the signal, so as to control the lifting of the pendulum body 2, adjust the height of the pendulum body 2 to a position where the pendulum body 2 can maximally utilize the wave energy, thereby improving the conversion efficiency of the wave energy, and simultaneously avoiding the device from overturning due to an excessive impact force and avoiding damage to the wave energy power generation system.
The transmission assembly 134, in some embodiments, includes a commutator 1341 and at least one output shaft 1342, the driver 133 is connected to the commutator 1341, the commutator 1341 is configured to distribute power generated by the driver 133 to the output shaft 1342, the commutator 1341 and the output shaft 1342 are sequentially connected to the spiral lifter 131, and the output shaft 1342 is configured to receive the power distributed by the commutator 1341 and transmit the power to the spiral lifter 131, so that the spiral lifter 131 drives the lead screw 132 to rotate.
The output shaft 1342 includes a connecting shaft 1343 and a coupling 1344 in some embodiments, the commutator 1341 is connected with the connecting shaft 1343 and the coupling 1344, and then the connecting shaft 1343 and the coupling 1344 are connected with the spiral lifter 131, thereby transmitting power from the commutator 1341 to the spiral lifter 131, when the driving assembly 134 is provided with a plurality of spiral lifters 131, the commutator 1341 is connected with a part of the spiral lifter 131 through the connecting shaft 1343 and the coupling 1344, transmitting power to the part of the spiral lifter 131, and then the part of the spiral lifter 131 is connected with another part of the spiral lifter 131 through the connecting shaft 1343 and the coupling 1344 and transmitting power, thereby simplifying the arrangement of the driving assembly 134 and reducing the number of the driving pieces 133.
When the lifting yaw device operates, firstly, the driving part 133 is started, the driving part 133 generates power for driving the spiral lifter 131 to operate, the power is transmitted to the spiral lifter 131 through the commutator 1341 and the output shaft 1342, then the spiral lifter 131 drives the screw rod 132 to rotate, the lifting nut 123 lifts along the screw rod 132 when the screw rod 132 rotates, so that the lifting rotating platform 12 provided with the lifting nut 123 lifts along with the lifting nut 123, and further drives the truss 11 and the pendulum body 2 arranged on the truss 11 to lift, the yaw driving motor 121 is also started while the driving part 133 is started, the yaw driving motor 121 drives the rotary support 122 meshed with the yaw driving motor 121 to rotate, and further drives the truss 11 and the pendulum body 2 arranged on the truss 11 to rotate, and therefore the depth and the orientation of the pendulum body 2 are adjusted.
It is to be understood that the above-described technical features may be used in any combination without limitation.
The above is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent processes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.
Claims (10)
1. A lifting yaw device of a wave energy power generation system is characterized by comprising a lifting rotary structure (1) and a pendulum body (2), wherein the pendulum body (2) is installed on the lifting rotary structure (1);
the lifting and rotating structure (1) is used for driving the pendulum body (2) to lift and rotate so as to adjust the depth and orientation of the pendulum body (2) under the water surface, and the pendulum body (2) is driven to generate power by water flow.
2. The lifting yaw device of the wave energy power generation system according to claim 1, characterized in that the lifting and rotating structure (1) comprises a truss (11) and a lifting and rotating platform (12) capable of lifting and lowering, the pendulum body (2) is installed at the lower end of the truss (11), the truss (11) is arranged through the lifting and rotating platform (12) and installed on the lifting and rotating platform (12) so that the lifting and rotating platform (12) drives the truss (11) and the pendulum body (2) to lift and lower.
3. A lifting yaw device of a wave energy power generation system according to claim 2, characterized in that the lifting rotary table (12) is provided with a yaw driving motor (121) and a slewing bearing (122), the yaw driving motor (121) is engaged with the slewing bearing (122), and the truss (11) is mounted on the slewing bearing (122) so that the yaw driving motor (121) drives the truss (11) and the pendulum body (2) to rotate.
4. A lifting yaw arrangement for a wave energy power generation system according to claim 3, characterized in that the lifting rotary structure (1) further comprises at least one set of lifting assemblies (13) for lifting the rotary lifting table (12).
5. A lifting yaw device of a wave energy power generation system according to claim 4, characterized in that the lifting assembly (13) is provided with a screw lift (131) and a screw rod (132), the screw rod (132) is rotatably mounted on the screw lift (131), and the screw rod (132) is in threaded connection with the lifting rotary table (12);
the lifter drives the screw rod (132) to rotate relative to the lifting rotary table (12), so that the lifting rotary table (12) is lifted.
6. A lifting yaw arrangement for a wave energy power generation system according to claim 5, characterized in that the lifting rotary table (12) is provided with a lifting nut (123) to which the lead screw (132) is threadedly connected.
7. A lifting yaw arrangement for a wave energy power generation system according to claim 6, characterized in that the lifting assembly (13) is further provided with a drive member (133) and a transmission assembly (134), the drive member (133) being connected with the transmission assembly (134), the transmission assembly (134) being connected with the screw lift (131);
the driving piece (133) is used for generating power for driving the spiral lifter (131) to operate, and the transmission assembly (134) is used for transmitting the power generated by the driving piece (133) to the spiral lifter (131).
8. A lifting yaw apparatus of a wave energy power generation system according to claim 7, characterized in that the transmission assembly (134) comprises a commutator (1341) and at least one output shaft (1342), the drive (133) being connected with the commutator (1341), the commutator (1341) being connected with the output shaft (1342), the output shaft (1342) being connected with the screw hoist (131);
the commutator (1341) is configured to distribute power generated by the driving member (133) to the output shaft (1342), and the output shaft (1342) is configured to transmit power to the screw lift (131).
9. A lifting yaw arrangement for a wave energy power generation system according to any of claims 2 to 8, characterized in that the lifting yaw arrangement further comprises a support structure (3) for guiding the lifting of the lifting rotary table (12), the lifting rotary structure (1) being mounted within the support structure (3) such that the support structure (3) provides support for the lifting rotary structure (1).
10. A lifting yaw arrangement for a wave energy power generation system according to claim 9, characterized in that the rotary lifting table (12) is provided with a guide (124), and the support structure (3) is provided with a groove (321) for the guide (124) to slide, so that the support structure (3) guides the lifting of the rotary lifting table (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222915303.9U CN218844475U (en) | 2022-10-31 | 2022-10-31 | Lifting yaw device of wave power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222915303.9U CN218844475U (en) | 2022-10-31 | 2022-10-31 | Lifting yaw device of wave power generation system |
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| Publication Number | Publication Date |
|---|---|
| CN218844475U true CN218844475U (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222915303.9U Active CN218844475U (en) | 2022-10-31 | 2022-10-31 | Lifting yaw device of wave power generation system |
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| CN (1) | CN218844475U (en) |
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- 2022-10-31 CN CN202222915303.9U patent/CN218844475U/en active Active
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