CN217898079U - Floating offshore wind power platform - Google Patents

Abstract

The utility model provides a floating offshore wind power platform relates to offshore power generation technical field, for solving the not enough problem design of offshore wind energy generator generated energy. The floating offshore wind power platform comprises a floating platform, a wind power generation device is mounted at the top of the floating platform and comprises a wind power blade, and the wind power blade is connected with a first motor; a plurality of second motors are installed on the lower portion of the floating platform, each second motor is connected with a floating body through a slider-crank mechanism, and the floating bodies are located below the floating platform. The utility model provides a floating offshore wind power platform still utilizes the wave energy to generate electricity when can utilizing wind energy to generate electricity to the generated energy has been increased.

Description

Floating offshore wind power platform

Technical Field

The utility model relates to a marine power generation technical field particularly, relates to a floating offshore wind power platform.

Background

Along with the rapid development of economy in China, the air pollution is aggravated by the high consumption of fossil energy such as petroleum and coal, and how to effectively relieve the problem is an important step for developing a clean energy strategy, is the necessary requirement for realizing carbon peak reaching and carbon neutralization and is also the necessary requirement for realizing ecological civilization. The replacement of traditional energy by clean energy is a trend, the reasonable development of renewable clean energy such as water energy, wind energy, solar energy, biomass energy and the like conforms to the concept of social sustainable development, and the method plays an important role in establishing a sustainable energy system, promoting national economic development and protecting the environment. The vigorous development of clean energy can gradually change the traditional energy consumption structure, reduce the dependence on energy import, improve the energy safety, reduce the emission of greenhouse gases, effectively protect the ecological environment and promote the good and fast development of social economy.

China has a long coastline, offshore wind power development potential is huge, wind power generation is a main energy for constructing a novel power system, and is a main force army for supporting the power system to decarbonize first and further promoting the energy system and realizing carbon neutralization in the whole society. The floating offshore wind power has the advantages of being free from the constraint of submarine geological conditions, free from the limitation of water depth and the like, and becomes an important development direction in the field of offshore wind power in deep and far sea in the future. Floating offshore wind power costs more than fixed offshore wind power located offshore, shallow sea. The floating offshore wind farm is far away from the coast, is greatly influenced by the harsh marine environment, has higher requirements on the safety, reliability and large scale of related equipment, has higher requirements on power grid connection and power infrastructure construction, and has high initial cost. And the factors of weather and sea conditions, which are far from the coast, aggravate the influence and the like, also cause the great increase of the installation, operation and maintenance costs in the middle and later periods. Meanwhile, as the floating offshore wind farm is farther offshore and the water area is deeper, and the size of the offshore wind turbine is larger, the related installation, operation and maintenance equipment also needs to be upgraded continuously, and the cost is increased exponentially due to the upgrading. This makes the profitability of floating offshore wind power a major challenge.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a floating offshore wind power platform to solve the not enough technical problem of current offshore wind energy generator generated energy.

The utility model provides a floating offshore wind power platform, which comprises a floating platform, wherein a wind power generation device is arranged at the top of the floating platform and comprises a wind power blade, and the wind power blade is connected with a first motor; the lower part of the floating platform is provided with a plurality of second motors, each second motor is connected with a floating body through a slider-crank mechanism, and the floating bodies are positioned below the floating platform.

The utility model discloses floating offshore wind power platform brings beneficial effect is:

a plurality of second motors are installed on the lower portion of the floating platform, each second motor is connected with the floating body through a slider-crank mechanism, and acting force generated on the floating body by the upward and downward surging of waves can be utilized, so that the floating body can move up and down. When the floating body moves up and down, the vertical motion can be converted into the rotation motion of the crank by using the crank sliding block mechanism, and the power is generated by using the second motor, so that the power can be generated by using the wave energy while the power is generated by using the wind energy, and the generated energy is increased.

In the preferable technical scheme, the length direction of the floating body is arranged along the horizontal direction, one end of the floating body is provided with a first rotating blade, and the first rotating blade is in transmission connection with a third motor arranged in the floating body.

Through set up first rotating vane on the body to make first rotating vane be connected with the transmission of third motor, can have the rivers of horizontal direction to flow under the ocean surface when, utilize first rotating vane to receive the effort that rivers flow and turn into first rotating vane's rotation with the linear motion of rivers, and can drive the third motor and rotate, and utilize the tidal energy and increase offshore wind power platform's generated energy.

In a preferable technical scheme, each floating body is further provided with a second rotating blade, and the second rotating blades are in transmission connection with a fourth motor arranged in the floating body.

Although the water flow passes after the first rotating blades, the speed is not completely zero, and energy is still available. By arranging the second rotating blade, the kinetic energy of the horizontal flow of the part of liquid can be utilized and converted into electric power, so that the energy utilization rate is improved, and the electric quantity which can be output by the floating offshore wind power platform is increased.

In a preferred embodiment, the first rotating blade and the second rotating blade are disposed at the same end of the floating body.

All set up same one end at the body with first rotating vane and second rotating vane, be favorable to arranging the motor is concentrated, reduce the distribution that is used for the cable of transmission electric energy in the body, be favorable to improving the reliability.

In a preferred embodiment, the first rotating blade and the second rotating blade are provided at opposite ends of the floating body.

The flow velocity of the fluid is gradually increased after the fluid passes through the first rotary blade from one end of the floating body and is reduced by the influence of the fluid which does not pass through the first rotary blade at the periphery. The first rotating blade and the second rotating blade are arranged at the two opposite ends of the floating body, so that the energy of the part of the fluid can be effectively utilized, and the energy utilization rate is improved.

In a preferred embodiment, the first rotating blade and the second rotating blade mounted on each floating body have opposite rotation directions.

When water flow passes through the first rotating blade and the second rotating blade, energy generated by the speed of horizontal movement is endowed to the first rotating blade and the second rotating blade, meanwhile, torque is brought to the floating body, the first rotating blade and the second rotating blade are arranged in opposite rotating directions, the torque generated when the water flow passes through the first rotating blade and the second rotating blade is favorably counteracted as much as possible, and therefore the influence on the stability of the floating offshore wind power platform is reduced or even eliminated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments or the background art of the present invention, the drawings required to be used in the description of the embodiments or the background art will be briefly introduced below, it is obvious that the drawings in the description below are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a floating offshore wind power platform according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a floating offshore wind power platform provided by the second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a floating offshore wind power platform provided by a third embodiment of the present invention;

fig. 4 is a schematic partial structural diagram of a floating body, a first rotating blade and a second rotating blade in a floating offshore wind power platform according to a fourth embodiment of the present invention;

description of reference numerals:

10-a floating platform; 11-wind power blades; 12-a first electric machine; 13-a second electric machine; 14-a slider-crank mechanism; 141-disk shaped parts;

20-a float; 21-a third motor; 22-a first rotating blade; 23-a fourth motor; 24-second rotating blades.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The first embodiment is as follows:

fig. 1 is a schematic structural diagram of a floating offshore wind power platform according to an embodiment of the present invention. As shown in fig. 1, a floating offshore wind power platform provided in the first embodiment includes a floating platform 10, a wind power generation device is mounted on the top of the floating platform 10, the wind power generation device includes a wind power blade 11, and the wind power blade 11 is connected to a first motor 12; a plurality of second motors 13 are installed at the lower portion of the floating platform 10, each second motor 13 is connected with a floating body 20 through a slider-crank mechanism 14, and the floating body 20 is located below the floating platform 10.

Wherein, the top of the floating platform 10 is provided with a wind power generation device, and the specific structure of the wind power generation device belongs to the prior art, which is not the main improvement of the application, and is not repeated in the application.

Specifically, when the first and second rotating blades 22 and 24 are respectively provided at both ends of the floating body 20 as in the subsequent embodiment, the floating body 20 may have a shape of a rotated body in front and rear symmetry, such as a date core shape, an olive shape, a spindle shape, a cigar shape, or the like. If the first rotary blade 22 or the combination of the first rotary blade 22 and the second rotary blade 24 is provided only at one end of the floating body 20, it is also possible to adopt a non-anteroposterior symmetrical rotary body shape of a drop shape. Furthermore, it is obvious that the overall density of the float 20 must be less than the density of the fluid in order to be able to float in the fluid.

In this embodiment, the slider-crank mechanism 14 includes a connecting rod, the connecting rod can also swing while moving vertically, the lower end of the connecting rod can be pivoted or spherically hinged with the top of the floating body 20, the upper end of the connecting rod is pivoted with the non-circle center position of a disc-shaped part 141, the rotation axis of the disc-shaped part 141 is a horizontal axis, the function of a crank in the slider-crank mechanism can be played, and only in order to make the rotation more balanced, the disc-shaped part 141 is selected as the crank, and is connected with the power output end of the second motor 13. In this embodiment, four slider-crank mechanisms 14 may be provided, and the four slider-crank mechanisms 14 are arranged at an angle of 90 ° from the top view. As shown in fig. 1, four crank block mechanisms 14 are respectively located at the left and right ends of the lower part in fig. 1, and at the middle position of the lower part in fig. 1, and only one crank block mechanism 14 and the corresponding floating body 20 are shown at the middle position due to the front-rear coincidence.

Additionally, it should be noted that the flotation platform 10 may be connected by cables to piles (not shown) secured to the sea floor to prevent the flotation platform 10 from floating with the water.

By installing a plurality of second motors 13 at the lower portion of the floating platform 10, each second motor 13 being connected to the floating body 20 through the slider-crank mechanism 14, it is possible to utilize the force generated to the floating body 20 by the upward and downward surge of the waves, so that the floating body 20 can move up and down. When the floating body 20 moves up and down, the vertical movement can be converted into the rotation movement of the crank by the crank-slider mechanism 14, and the power is generated by the second motor 13, so that the power generation by the wave energy can be realized while the power generation by the wind energy is realized, and the power generation amount is increased.

The second embodiment:

fig. 2 is a schematic structural diagram of a floating offshore wind power platform provided by the embodiment of the present invention. As shown in fig. 2, in the present embodiment, it is preferable that the floating body 20 is horizontally disposed in a longitudinal direction, a first rotating blade 22 is disposed at one end of the floating body 20, and the first rotating blade 22 is drivingly connected to a third motor 21 disposed in the floating body 20.

In this embodiment, the first rotating blade 22 may be directly connected to the third motor 21, and in another implementation, the first rotating blade 22 may also be connected to the third motor 21 through a speed change mechanism, so as to amplify the rotation speed of the first rotating blade 22, which is more beneficial for the third motor 21 to generate electricity.

By arranging the first rotating blade 22 on the floating body 20 and enabling the first rotating blade 22 to be in transmission connection with the third motor 21, when water current in the horizontal direction flows under the ocean surface, the linear motion of the water current can be converted into the rotation of the first rotating blade 22 by utilizing the acting force of the flowing water current on the first rotating blade 22, and the third motor 21 can be driven to rotate, so that the tidal energy can be utilized to increase the power generation amount of the offshore wind power platform.

Preferably, in the case of the above-mentioned four crank-slider mechanisms 14 arranged at 90 ° intervals, the rotation directions of the first rotating blades 22 of the two floating bodies 20 located at the front and back are opposite, and the rotation directions of the first rotating blades 22 on the two floating bodies 20 located at the left and right are also opposite, so that when the fluid flows through, the liquid torques applied to the two sets of first rotating blades 22 in the same direction can be at least partially cancelled, thereby reducing the torque of the whole floating offshore wind power platform.

Example three:

fig. 3 is a schematic structural diagram of a floating offshore wind power platform provided by a third embodiment of the present invention; as shown in fig. 3, a second rotating blade 24 is preferably further disposed on each floating body 20, and the second rotating blade 24 is drivingly connected to a fourth motor 23 disposed in the floating body 20.

Although the water flow is not at all zero velocity after passing through the first rotating blade 22, energy is still available. By arranging the second rotating blades 24, the kinetic energy of the horizontal flowing of the part of liquid can be utilized and converted into electric power, so that the energy utilization rate is improved, and the electric quantity which can be output by the floating offshore wind power platform is increased.

Preferably, the first and second rotating blades 22 and 24 are disposed at opposite ends of the floating body 20.

The flow velocity of the fluid gradually increases after the fluid passes through the first rotary blade 22 from one end of the floating body 20 and decreases by the influence of the fluid that does not pass through the first rotary blade 22 at the periphery. The first and second rotary blades 22 and 24 are disposed at opposite ends of the floating body 20, so that the energy of the fluid can be effectively utilized, thereby improving the energy utilization.

Preferably, the first rotating blade 22 and the second rotating blade 24 mounted on each floating body 20 have opposite rotation directions.

When water flows through the first rotating blade 22 and the second rotating blade 24, energy generated by the speed of horizontal movement is given to the first rotating blade 22 and the second rotating blade 24, torque is brought to the floating body 20, and the first rotating blade 22 and the second rotating blade 24 are arranged in opposite rotating directions, so that the torque generated when the water flows through the first rotating blade 22 and the second rotating blade 24 is favorably counteracted as much as possible, and the influence on the stability of the floating offshore wind power platform is reduced or even eliminated.

Moreover, the two ends of each floating body 20 are subjected to opposite rotation moments, so that the torque for controlling the floating body 20 can be reduced on one floating body 20, the influence range of the torque on the floating body 20 is instantly solved, and the influence of the torque on the floating body 20, which is used for moving the floating body 20 up and down, and is converted into rotation through the crank-link mechanism is reduced.

In particular, in the case of two floating bodies 20 provided on the left and right in fig. 3, it is assumed that the water flow flows from the left to the right, and the left first rotating blade 22 and the left second rotating blade 24 are not provided to rotate left and right, respectively. The second rotating blade 24 on the right is rotated to the right, and the first rotating blade 22 on the right is rotated to the left. In this way, when the liquid is decelerated after passing through the first left rotary blade 22 and strikes the second left rotary blade 24, the torque generated may be smaller than that of the first left rotary blade 22. The floating body 20 on the left side may not completely eliminate the torque received as a whole. When the liquid passes through the right-hand floating body 20, the liquid passes through the right-hand second rotating blade 24 and then passes through the left-hand first rotating blade 22, and based on the same principle, the right-hand floating body 20 may not completely eliminate the overall torque, but the torque is opposite to the torque received by the left-hand floating body 20, so the torque received by the left-hand floating body 20 can be partially offset or eliminated, and the influence on the floating platform 10 is reduced. Similarly, the two floating bodies 20 disposed in the front and rear direction in the figure may be disposed in the same rotation direction of the rotating blades as the two floating bodies 20 disposed in the left and right direction in the figure.

Example four:

fig. 4 is a schematic partial structural diagram of a floating body, a first rotating blade 22 and a second rotating blade 24 in a floating offshore wind power platform according to the fourth embodiment of the present invention; preferably, the first rotating blade 22 and the second rotating blade 24 are disposed at the same end of the floating body 20.

Specifically, as shown in fig. 4, the first rotary blade 22 may be connected to the rotor of the third motor 21 through a sleeve, and the second rotary blade 24 may be connected to the rotor of the fourth motor 23 through a motor shaft passing through the sleeve. That is, the rotor and stator of the fourth motor 23, the rotor and stator of the third motor 21, the first rotating blades 22, and the second rotating blades 24 are provided in this order in the axial direction. In this embodiment, the first rotating blade 22 and the second rotating blade 24 preferably have opposite rotation directions.

The first rotating blades 22 and the second rotating blades 24 are arranged at the same end of the floating body 20, so that the concentrated arrangement of the motor is facilitated, the distribution of cables for transmitting electric energy in the floating body 20 is reduced, and the improvement of reliability is facilitated.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected by one skilled in the art without departing from the spirit and scope of the invention, as defined in the appended claims.

Finally, it should also be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

In the above embodiments, the descriptions of the orientations such as "up", "down", and the like are based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The floating offshore wind power platform is characterized by comprising a floating platform (10), wherein a wind power generation device is installed at the top of the floating platform (10), the wind power generation device comprises a wind power blade (11), and the wind power blade (11) is connected with a first motor (12); the lower part of the floating platform (10) is provided with a plurality of second motors (13), each second motor (13) is connected with a floating body (20) through a crank-slider mechanism (14), and the floating body (20) is positioned below the floating platform (10).

2. Floating offshore wind power platform according to claim 1, characterized in that the length direction of the floating body (20) is arranged in a horizontal direction, one end of the floating body (20) is provided with a first rotating blade (22), and the first rotating blade (22) is in transmission connection with a third motor (21) arranged in the floating body (20).

3. Floating offshore wind power platform according to claim 2, characterized in that a second rotary blade (24) is further arranged on each floating body (20), the second rotary blade (24) being in transmission connection with a fourth motor (23) arranged in the floating body (20).

4. Floating offshore wind power platform according to claim 3, characterized in that the first rotary blade (22) and the second rotary blade (24) are arranged at the same end of the float (20).

5. Floating offshore wind power platform according to claim 3, characterized in that the first (22) and the second (24) rotating blade are arranged at opposite ends of the float (20).

6. Floating offshore wind power platform according to claim 3 or 4 or 5, characterized in that the rotation direction of the first (22) and second (24) rotating blades mounted on each floating body (20) is opposite.

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