CN115750212A - Wind energy and ocean current energy combined power generation system - Google Patents
Wind energy and ocean current energy combined power generation system Download PDFInfo
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- CN115750212A CN115750212A CN202211503291.7A CN202211503291A CN115750212A CN 115750212 A CN115750212 A CN 115750212A CN 202211503291 A CN202211503291 A CN 202211503291A CN 115750212 A CN115750212 A CN 115750212A
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Abstract
The utility model relates to a wind energy and ocean current energy combined power generation system, it includes offshore platform, the wind energy system of catching, ocean current energy system of catching, power generation facility and potential energy governing system, offshore platform is as the construction basis, the wind energy system of catching sets up in offshore platform top, ocean current energy system of catching sets up in the offshore platform bottom, power generation facility sets up on offshore platform, power generation facility includes upper and lower rotor and stator, go up the rotor and catch clockwise rotation under the system effect at the wind energy, the rotor is anticlockwise rotatory under the system effect is caught to ocean current energy down, potential energy governing system sets up on ocean current energy system of catching. In the practical use of the wind energy and ocean current energy combined device, the upper rotor and the lower rotor are utilized to realize the combination of wind energy and ocean current energy, when the ocean current is turbulent, the potential energy adjusting system stores the kinetic energy of the ocean current, and when the ocean current is gentle and cannot reach the power generation standard, the energy stored by the potential energy adjusting system is released to assist in power generation, so that the stability of the power generation efficiency is realized, and the problem of unstable power generation quality is solved.
Description
Technical Field
The application relates to the field of ocean power generation facilities, in particular to a wind energy and ocean current energy combined power generation system.
Background
At present, most countries are located in ocean areas and are provided with ocean observation sites, which play very important roles in maintaining ocean rights and interests, developing ocean resources, early warning ocean disasters, protecting ocean environment, strengthening national defense construction, seeking new development space and the like, but due to the particularity of the observation sites, the power utilization problem is the primary technical problem.
The existing solution is to use a marine power generation device, and the existing floating type marine wind power has the advantages of better water depth adaptability, no limitation of water depth, lower cost in deep water sea area and the like, so that the floating type marine wind power becomes a hotspot in the field of marine energy research ， However, due to the harsh marine environment at sea, the overall weight and volume are limited by the environment, and due to the complex and variable marine wind speed, wind direction, flow velocity and flow direction, the captured power fluctuation of the wind power generation system and the ocean current energy generation system is very large, the power fluctuation has a great influence on the quality of electric energy besides the great influence on the service life of the mechanical structure, and the current common means is to improve the quality of electric energy through expensive power electronic equipment, effectively combine the marine wind energy and the ocean current energy, and have a place to be improved.
Disclosure of Invention
In order to solve the problem of unstable power generation quality, the application provides a wind energy and ocean current energy combined power generation system.
The application provides a wind energy and ocean current energy combined power generation system adopts following technical scheme:
a wind energy and ocean current energy combined power generation system is characterized by comprising
The offshore platform is arranged on the sea level and serves as a construction foundation;
the system comprises a wind energy capturing system, a wind speed sensor and a control system, wherein the wind energy capturing system is used for converting wind energy into mechanical energy and is arranged above an offshore platform;
the ocean current energy capturing system is used for converting ocean current energy into mechanical energy and is arranged at the bottom of the offshore platform;
the power generation device is used for converting mechanical energy into electric energy and arranged on the offshore platform and comprises an upper rotor, a lower rotor and a stator, wherein the upper rotor rotates clockwise under the action of the wind energy capturing system, and the lower rotor rotates anticlockwise under the action of the ocean current energy capturing system;
and the potential energy regulating system is used for storing or releasing the surplus energy to assist in power generation and is arranged on the ocean current energy capturing system.
By adopting the technical scheme, in actual use, the wind energy capturing system and the ocean current energy capturing system are effectively combined by utilizing the upper rotor and the lower rotor, the potential energy adjusting system arranged on the ocean current energy capturing system is utilized, when the ocean current is too turbulent, the kinetic energy of the ocean current is stored by utilizing the potential energy adjusting system, and when the ocean current is more gentle and cannot reach the power generation standard, the energy stored by the potential energy adjusting system is released to assist power generation, so that the stability of the power generation efficiency is realized, and the problem of unstable power generation quality is favorably solved.
Preferably, the wind energy capturing system comprises a wind energy impeller, a wind energy main shaft and a wind energy vertical transmission shaft, the wind energy impeller is coaxially and fixedly connected with the wind energy main shaft, the wind energy main shaft is in transmission connection with the wind energy vertical transmission shaft, the wind energy vertical transmission shaft is in transmission connection with the upper rotor, and a wind energy electric slip ring for transmitting current is sleeved on the wind energy vertical transmission shaft.
Through adopting above-mentioned technical scheme, in the in-service use, when wind energy impeller rotated, through wind energy main shaft and wind energy vertical drive axle and then drive the rotation of upper rotor, specifically accomplished wind energy power generation's function.
Preferably, the ocean current energy capturing system comprises an ocean current energy impeller, an ocean current energy main shaft and an ocean current energy vertical transmission shaft, the ocean current energy impeller and the ocean current energy main shaft are coaxially and fixedly connected, the ocean current energy main shaft and the ocean current energy vertical transmission shaft are in transmission connection, the ocean current energy vertical transmission shaft is in transmission connection with the lower rotor, and an ocean current energy electric slip ring for transmitting current is sleeved on the ocean current energy vertical transmission shaft.
Through adopting above-mentioned technical scheme, when ocean current can the impeller rotate, can the vertical drive shaft and then drive the rotor rotation through ocean current ability main shaft and ocean current, specifically accomplished the function that ocean current can generate electricity.
Preferably, the potential energy adjusting system comprises a water pumping system, a water storage tank, a vertical turbine and a rotating speed control system for adjusting the ocean current energy vertical transmission shaft, the water storage tank is arranged on the offshore platform, the water pumping system is arranged in the ocean water and communicated with the water storage tank through a water pipe, the vertical turbine is coaxially arranged on the ocean current energy vertical transmission shaft, and the vertical turbine is connected with the water storage tank through a water pipe.
Through adopting above-mentioned technical scheme, in the in-service use, when the ocean current is too torrential, pumping system is with rivers suction water storage tank, turns into the kinetic energy of ocean current into the potential energy, when the ocean current is more gentle and can not reach the electricity generation standard, emits the sea water of water storage tank, and under the effect of gravity, the sea water leads to pipe and gets into vertical turbine, and then turns into the kinetic energy with the potential energy, utilizes the vertical transmission shaft of ocean current energy to drive the rotor rotation down, realizes supplementary electricity generation, helps the stability of generated power.
Preferably, the water pumping system is set as a water suction pump, and the water suction pump is coaxially and fixedly connected with the ocean current energy main shaft.
Through adopting above-mentioned technical scheme, in the in-service use, utilize with the coaxial fixed connection's of ocean current energy main shaft pumping system for pumping system need not the power supply can supply the sea water to the water storage box, helps improving the energy utilization of this device.
Preferably, the rotational speed control system comprises a flow control valve, a rotational speed sensor, a controller and a flow valve driving plate, wherein the rotational speed sensor is installed on a vertical transmission shaft of ocean current energy of the ocean current energy capture system, and the rest of the rotational speed sensor is integrated and installed and fixed on the offshore platform.
Through adopting above-mentioned technical scheme, in the in-service use, utilize to set up the rotational speed sensor at the vertical transmission epaxial of ocean current for can know the torrent degree of ocean current through rotational speed sensor, when the rotational speed is very fast, through controller, flow control valve and flow valve drive plate, control pumping system draws water to the water storage box, when the rotational speed is slow, then control the water storage box and drain, specifically realized the function that the drawing water of this device was drained.
Preferably, a wind energy shell is arranged above the offshore platform, and the wind energy impeller, the wind energy main shaft and the wind energy vertical transmission shaft are all arranged in the wind energy shell.
Through adopting above-mentioned technical scheme, in the in-service use, utilize the wind energy shell that sets up at wind energy impeller, wind energy main shaft and the perpendicular transmission shaft of wind energy, help preventing that drive disk spare from exposing and leading to ageing outward, help improving the life of this device.
Preferably, the bottom of the offshore platform is provided with an ocean current energy shell, and the ocean current energy impeller, the ocean current energy main shaft, the ocean current energy vertical transmission shaft and the ocean current energy vertical transmission shaft are vertically and evenly arranged in the ocean current energy shell.
By adopting the technical scheme, the ocean current energy shell which is arranged on the ocean current energy impeller, the ocean current energy main shaft and the ocean current energy vertical transmission shaft is utilized, so that the transmission part is prevented from being exposed underwater to cause corrosion, and the service life of the device is prolonged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. in practical use, the wind energy capturing system and the ocean current energy capturing system realize effective combination of offshore wind energy and ocean current energy by utilizing the upper rotor and the lower rotor, and the potential energy adjusting system arranged on the ocean current energy capturing system is utilized to store kinetic energy of ocean current when the ocean current is too turbulent, and release energy stored by the potential energy adjusting system to assist in power generation when the ocean current is relatively gentle and can not reach the power generation standard, so that the stability of the power generation efficiency is realized, and the problem of unstable power generation quality is favorably solved;
2. the ocean current energy impeller drives the generator and the pumping system simultaneously, and the rotation speed of the ocean current energy impeller can be adjusted by changing the electromagnetic torque of the power generation device and the water discharge of the pumping system, so that the ocean current energy impeller can run near the optimal tip speed ratio, and the maximum energy capture control is further realized;
3. the effect similar to a gyroscope can be achieved by virtue of the upper rotor and the lower rotor which rotate, the whole device is stabilized, and through the action of energy storage and release, on one hand, the rotating speeds of the upper rotor and the lower rotor can be controlled to be consistent to a certain extent, and the stability is improved; on the other hand, the current generated by the upper rotor is basically the same as the current generated by the lower rotor, so that the later-stage rectification and other steps are facilitated.
Drawings
FIG. 1 is a schematic view of an overall structure of a wind energy and ocean current energy combined power generation system according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a power generation device according to an embodiment of the present disclosure;
FIG. 3 is a schematic cross-sectional view of a power generation device according to an embodiment of the present disclosure;
fig. 4 is a schematic magnetic induction line mainly embodying the stator structure in the embodiment of the present application.
Reference numerals are as follows: 1. an offshore platform; 2. a wind energy capture system; 21. a wind energy housing; 22. a wind energy impeller; 23. a wind energy main shaft; 24. a wind energy vertical transmission shaft; 241. a wind-powered electrical slip ring; 3. an ocean current energy capture system; 31. a marine energy housing; 32. a marine current energy impeller; 33. a current energy main shaft; 34. the ocean current energy is vertical to the transmission shaft; 341. an ocean current energy electrical slip ring; 4. a power generation device; 41. an upper rotor; 42. a lower rotor; 43. a stator; 431. a permanent magnet; 432. silicon steel sheets; 44. a bearing ring; 441. a rotational clearance; 45. an upper rotating member; 451. a ball bearing; 46. an upper fixing ring; 47. a lower rotating member; 48. a lower fixing ring; 5. a potential energy regulating system; 51. a water pumping system; 52. a water storage tank; 53. and (4) vertical turbine.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a wind energy and ocean current energy combined power generation system.
Referring to fig. 1, 2 and 3, the wind-power and ocean-current-power combined generation system comprises
The offshore platform 1 is arranged on the sea level and serves as a construction foundation;
the wind energy capturing system 2 is used for converting wind energy into mechanical energy, and the wind energy capturing system 2 is arranged above the offshore platform 1;
the ocean current energy capturing system 3 is used for converting ocean current energy into mechanical energy, and the ocean current energy capturing system 3 is arranged at the bottom of the offshore platform 1;
the power generation device 4 is used for converting mechanical energy into electric energy, the power generation device 4 is arranged on the offshore platform 1, the power generation device 4 comprises an upper rotor 41, a lower rotor 42 and a stator 43, the stator 43 is arranged in a hollow column shape, the stator 43 is composed of a plurality of permanent magnets 431 arranged in a cuboid shape, a silicon steel sheet 432 is arranged between every two adjacent permanent magnets 431, the two adjacent permanent magnets 431 are fixedly connected through the silicon steel sheet 432, the upper rotor 41 rotates clockwise under the action of the wind energy capture system 2, the lower rotor 42 rotates anticlockwise under the action of the ocean current energy capture system 3, a supporting ring 44 is coaxially and fixedly arranged on the peripheral side of the stator 43, an upper rotating member 45 is arranged between the supporting ring 44 and the upper rotor 41, the upper rotor 41 is fixedly connected with the upper rotating member 45, a rotating gap 441 is arranged between the upper rotating member 45 and the supporting ring 44, an upper fixing ring 46 is coaxially and fixedly arranged on the peripheral side of the upper rotating member 45, the upper fixing ring 46 is fixedly connected with the supporting ring 44, a plurality of balls are arranged between the upper rotating ring array 45 and the lower rotating ring 47, a plurality of lower rotating rings are arranged between the supporting ring 44 and the lower rotating ring 47, a plurality of lower rotating rings 451 and lower fixing rings 47 are coaxially arranged on the peripheral side of the lower rotating ring 47, and coaxially arranged on the lower fixing ring 48;
and the potential energy regulating system 5 is used for storing or releasing the surplus energy to assist in power generation, and the potential energy regulating system 5 is arranged on the ocean current energy capturing system 3.
In practical use, the upper rotor 41 and the lower rotor 42 are utilized to enable the wind energy capture system 2 and the ocean current energy capture system 3 to effectively combine the offshore wind energy and the ocean current energy, the potential energy adjusting system 5 arranged on the ocean current energy capture system 3 is utilized to store the kinetic energy of the ocean current when the ocean current is too turbulent, and the energy stored by the potential energy adjusting system 5 is utilized to release the energy to assist in power generation when the ocean current is relatively smooth and can not reach the power generation standard, so that the stability of the power generation efficiency is realized, and the problem of unstable power generation quality is facilitated to be solved.
Referring to fig. 1, 2 and 3, the wind energy capturing system 2 includes a wind energy housing 21, a wind energy impeller 22, a wind energy main shaft 23 and a wind energy vertical transmission shaft 24, the wind energy impeller 22 is coaxially and fixedly connected with the wind energy main shaft 23, the wind energy main shaft 23 is in transmission connection with the wind energy vertical transmission shaft 24, the wind energy vertical transmission shaft 24 is in transmission connection with an upper rotor 41, a wind energy electric slip ring 241 for transmitting current is sleeved on the wind energy vertical transmission shaft 24, the wind energy housing 21 is fixedly arranged on the offshore platform 1, and the wind energy impeller 22, the wind energy main shaft 23 and the wind energy vertical transmission shaft 24 are all arranged in the wind energy housing 21.
In actual use, when the wind energy impeller 22 rotates, the upper rotor 41 is driven to rotate through the wind energy main shaft 23 and the wind energy vertical transmission shaft 24, the function of wind energy power generation is specifically completed, and the wind energy shell 21 arranged on the wind energy impeller 22, the wind energy main shaft 23 and the wind energy vertical transmission shaft 24 is utilized, so that the transmission part is prevented from being exposed to the outside to cause aging, and the service life of the device is prolonged.
Referring to fig. 1, 2 and 3, the ocean current energy capturing system 3 includes an ocean current energy housing 31, an ocean current energy impeller 32, an ocean current energy main shaft 33 and an ocean current energy vertical transmission shaft 34, the ocean current energy impeller 32 is coaxially and fixedly connected with the ocean current energy main shaft 33, the ocean current energy main shaft 33 is in transmission connection with the ocean current energy vertical transmission shaft 34, the ocean current energy vertical transmission shaft 34 is in transmission connection with a lower rotor 42, an ocean current energy electrical slip ring 341 for transmitting current is sleeved on the ocean current energy vertical transmission shaft 34, the ocean current energy housing 31 is fixedly arranged at the bottom of the offshore platform 1, and the ocean current energy impeller 32, the ocean current energy main shaft 33 and the ocean current energy vertical transmission shaft 34 are all arranged in the ocean current energy housing 31.
In practical use, when the ocean current energy impeller 32 rotates, the ocean current energy main shaft 33 and the ocean current energy vertical transmission shaft 34 drive the lower rotor 42 to rotate, the function of ocean current energy power generation is specifically completed, and the ocean current energy shell 31 arranged on the ocean current energy impeller 32, the ocean current energy main shaft 33 and the ocean current energy vertical transmission shaft 34 is utilized, so that the transmission part is prevented from being exposed underwater to cause corrosion, and the service life of the device is prolonged.
Referring to fig. 1, 2 and 3, the potential energy adjusting system 5 includes a water pumping system 51, a water storage tank 52, a vertical turbine 53 and a rotation speed control system for adjusting the ocean current energy vertical transmission shaft 34, the water storage tank 52 is arranged on the offshore platform 1, the water pumping system 51 is a water pumping pump, the water pumping pump is arranged in the sea water and is communicated with the water storage tank 52 through a water pipe, a rotation shaft of the water pumping pump is coaxially and fixedly connected with the ocean current energy main shaft 33, the vertical turbine 53 is coaxially arranged on the ocean current energy vertical transmission shaft 34, the vertical turbine 53 is connected with the water storage tank 52 through a water pipe, the rotation speed control system includes a flow control valve, a rotation speed sensor, a controller and a flow valve driving plate, the rotation speed sensor is mounted on the ocean current vertical transmission shaft of the ocean current energy capturing system 3, and the rest are integrated and mounted on the offshore platform 1.
In practical use, when the ocean current is too turbulent, the rotation speed sensor sends a signal, the water pumping pump is controlled to pump water to the water storage tank 52 through the controller, the flow control valve and the flow valve driving plate, the kinetic energy of the ocean current is converted into potential energy, when the ocean current is relatively gentle and cannot reach the power generation standard, the seawater in the water storage tank 52 is discharged, the seawater enters the vertical turbine 53 through a water pipe under the action of gravity, the potential energy is further converted into the kinetic energy, the rotor 42 rotates under the driving of the ocean current energy vertical transmission shaft 34, auxiliary power generation is realized, the power generation power is stabilized, and the water pumping system 51 which is coaxially and fixedly connected with the ocean current energy main shaft 33 is utilized, so that the water pumping system 51 can supply the seawater to the water storage tank 52 without power supply, and the energy utilization rate of the device is improved.
The implementation principle of the wind energy and ocean current energy combined power generation system provided by the embodiment of the application is as follows: in practical use, the upper rotor 41 and the lower rotor 42 are utilized to enable the wind energy capture system 2 and the ocean current energy capture system 3 to effectively combine offshore wind energy and ocean current energy, when the ocean current is too turbulent, the rotation speed sensor sends a signal, the water pumping pump is controlled to pump water to the water storage tank 52 through the controller, the flow control valve and the flow valve driving plate, the kinetic energy of the ocean current is converted into potential energy, when the ocean current is gentle and does not reach the power generation standard, the seawater in the water storage tank 52 is discharged, under the action of gravity, the seawater enters the vertical turbine 53 through a water pipe, the potential energy is converted into the kinetic energy, the lower rotor 42 is driven to rotate by the ocean current energy vertical transmission shaft 34 to achieve auxiliary power generation, the stability of the generated power is facilitated, the water pumping system 51 which is coaxially and fixedly connected with the ocean current energy main shaft 33 is utilized, the water pumping system 51 can supply the seawater to the water storage tank 52 without power supply, the energy utilization rate of the device is facilitated to be improved, the upper rotor 41, the lower rotor 42 and the stator 43 which is arranged in the vertical direction and in the circumferential direction, the magnetic field direction is as shown in fig. 4, the upper rotor 41 and the lower rotor 42 and the magnetic induction device is utilized, so that the limited space is not interfered with each other, and the applicability of the device is facilitated to be improved.
Claims (8)
1. A wind energy and ocean current energy combined power generation system is characterized by comprising
The offshore platform (1), the offshore platform (1) is arranged on the sea level and is used as a construction foundation;
a wind energy capture system (2) for converting wind energy into mechanical energy, the wind energy capture system (2) being arranged above the offshore platform (1);
the ocean current energy capturing system (3) is used for converting ocean current energy into mechanical energy, and the ocean current energy capturing system (3) is arranged at the bottom of the offshore platform (1);
the power generation device (4) is used for converting mechanical energy into electric energy, the power generation device (4) is arranged on the offshore platform (1), the power generation device (4) comprises an upper rotor (41), a lower rotor (42) and a stator (43), the upper rotor (41) rotates clockwise under the action of the wind energy capturing system (2), and the lower rotor (42) rotates anticlockwise under the action of the ocean current energy capturing system (3);
the potential energy regulating system (5) is used for storing or releasing surplus energy to assist in power generation, and the potential energy regulating system (5) is arranged on the ocean current energy capturing system (3).
2. A wind and ocean current energy combined power generation system according to claim 1, wherein the wind energy capture system (2) comprises a wind energy impeller (22), a wind energy main shaft (23) and a wind energy vertical transmission shaft (24), the wind energy impeller (22) is coaxially and fixedly connected with the wind energy main shaft (23), the wind energy main shaft (23) is in transmission connection with the wind energy vertical transmission shaft (24), the wind energy vertical transmission shaft (24) is in transmission connection with the upper rotor (41), and the wind energy vertical transmission shaft (24) is sleeved with a wind energy electric slip ring (241) for transmitting current.
3. A wind and ocean current energy combined power generation system according to claim 1, wherein the ocean current energy capture system (3) comprises an ocean current energy impeller (32), an ocean current energy main shaft (33) and an ocean current energy vertical transmission shaft (34), the ocean current energy impeller (32) is coaxially and fixedly connected with the ocean current energy main shaft (33), the ocean current energy main shaft (33) is in transmission connection with the ocean current energy vertical transmission shaft (34), the ocean current energy vertical transmission shaft (34) is in transmission connection with the lower rotor (42), and the ocean current energy vertical transmission shaft (34) is sleeved with an ocean current energy electric slip ring (341) for transmitting electric current.
4. The wind-energy and ocean-current-energy combined power generation system according to claim 3, wherein the potential energy regulating system (5) comprises a water pumping system (51), a water storage tank (52), a vertical turbine (53) and a rotating speed control system for regulating the ocean-current-energy vertical transmission shaft (34), the water storage tank (52) is arranged on the offshore platform (1), the water pumping system (51) is arranged in the seawater and is communicated with the water storage tank (52) through a water pipe, the vertical turbine (53) is coaxially arranged on the ocean-current-energy vertical transmission shaft (34), and the vertical turbine (53) is connected with the water storage tank (52) through a water pipe.
5. A wind and ocean current energy combined power generation system according to claim 4 wherein the water pumping system (51) is provided as a water pump which is fixedly connected coaxially with the ocean current energy main shaft (33).
6. A wind and ocean current energy cogeneration system according to claim 4, wherein said rotational speed control system comprises a flow control valve, a rotational speed sensor, a controller and a flow valve drive plate, said rotational speed sensor being mounted on the ocean current energy vertical drive shaft (34) of the ocean current energy capture system (3), the remainder being integrated and mounted fixed on said offshore platform (1).
7. A wind and ocean current energy combined power generation system according to claim 2 wherein a wind energy housing (21) is provided above the offshore platform (1), the wind energy impeller (22), the wind energy main shaft (23) and the wind energy vertical drive shaft (24) are all provided within the wind energy housing (21).
8. A wind and ocean current energy combined power generation system according to claim 4 wherein the ocean platform (1) is provided at the bottom with an ocean current energy housing (31), and the ocean current energy impeller (32), the ocean current energy main shaft (33), the ocean current energy vertical transmission shaft (34) and the vertical turbine (53) are all arranged in the ocean current energy housing (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211503291.7A CN115750212A (en) | 2022-11-28 | 2022-11-28 | Wind energy and ocean current energy combined power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211503291.7A CN115750212A (en) | 2022-11-28 | 2022-11-28 | Wind energy and ocean current energy combined power generation system |
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| Publication Number | Publication Date |
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| CN115750212A true CN115750212A (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211503291.7A Pending CN115750212A (en) | 2022-11-28 | 2022-11-28 | Wind energy and ocean current energy combined power generation system |
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| CN (1) | CN115750212A (en) |
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- 2022-11-28 CN CN202211503291.7A patent/CN115750212A/en active Pending
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