CN212535925U - Offshore wind and wave combined power generation device - Google Patents
Offshore wind and wave combined power generation device Download PDFInfo
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- CN212535925U CN212535925U CN202021238341.XU CN202021238341U CN212535925U CN 212535925 U CN212535925 U CN 212535925U CN 202021238341 U CN202021238341 U CN 202021238341U CN 212535925 U CN212535925 U CN 212535925U
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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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- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses a sea wind-wave combined power generation device, which comprises a large megawatt horizontal axis wind driven generator, a floating damping pool foundation, a bracket, an oscillating floater type wave energy power generation device and a flexible mooring system, wherein the floating damping pool foundation is fixed with a seabed by the flexible mooring system, the floating damping pool foundation is integrated with the large megawatt horizontal axis wind driven generator and the oscillating floater type wave energy power generation device, a plurality of oscillating floater type wave energy power generation devices are fixed at the bracket to form an array and are positioned in the hollow area of the floating damping pool foundation, the large megawatt horizontal axis wind driven generator and the oscillating floater type wave energy power generation device are respectively and electrically connected with a box-type transformer arranged in the floating damping pool foundation, an energy accumulator arranged in the floating damping pool foundation is connected with the box-type transformer and used as a backup power supply of the large megawatt horizontal axis wind driven generator, the utility model can improve the intensification sea efficiency, the equipment sharing cost is reduced, and the comprehensive energy field benefit is improved.
Description
Technical Field
The utility model relates to a marine wind power generation and marine wave energy power generation's technical field especially indicate a marine wind and wave combined power generation device.
Background
Ocean energy sources are abundant and comprise energy resources such as wind energy, wave energy, ocean current energy and the like. In recent years, with continuous iterative progress and relative maturity of technologies developed in various ocean energy forms, part of ocean energy enters a large-scale development stage, at present, offshore wind resource development in China is mainly focused on offshore, and offshore wind resources are fully developed and utilized quickly under the background of 'rush to install tide', so people gradually turn the sight from offshore to deep sea with better wind resource conditions, a floating foundation can be adopted in the deep sea, and compared with a traditional offshore fixed foundation, the floating foundation occupies a larger area, but has lower required cost.
In addition, wave energy is energy possessed by waves generated by wind drive in the ocean, and the wind power resource in deep open sea is better, which means that the wave energy resource is also abundant. However, as a new ocean energy development form, the development is slow due to the limitation of technology, resource conditions and other aspects. At present, the electricity consumption cost of a wave energy power generation project is high, and the condition of large-scale commercial development is not met at home.
Under the large environment, the use efficiency of the sea area is improved, the equipment allocation cost is reduced, the overall cost of ocean resource development is further reduced through the intensive comprehensive development form of sea utilization and multiple energy, and the large trend of ocean energy development at present is solved. At present, various wind and wave combined power generation devices, floating foundations and wave energy devices are proposed by domestic and foreign institutions, but how to reasonably combine the two devices is a key point for designing the wind and wave combined power generation devices.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art not enough and shortcoming, through the intensive form of using sea, the multi-energy comprehensive development, provided a marine stormy wave cogeneration device, integrated big megawatt horizontal axis aerogenerator and vibration float formula wave energy power generation equipment to this promotes the intensive sea efficiency of using, reduces the equipment degree cost of electricity, promotes comprehensive energy field income.
In order to achieve the above object, the present invention provides a technical solution: a sea wind-wave combined power generation device comprises a large megawatt horizontal shaft wind driven generator, a floating damping pool foundation, a support, an oscillating floater type wave power generation device and a flexible mooring system; the large-megawatt horizontal shaft wind driven generator is mounted on the upper surface of a floating damping pool foundation and is positioned on one side edge close to the floating damping pool foundation, a hollow area is formed in the middle of the floating damping pool foundation, a support is erected above the hollow area of the floating damping pool foundation and is used for fixing oscillating float type wave energy power generation equipment, a plurality of oscillating float type wave energy power generation equipment are arranged in the hollow area of the floating damping pool foundation in an array mode and are connected with the support, and the floating damping pool foundation is fixed on a seabed through a flexible mooring system.
Further, the offshore wind and wave combined power generation device also comprises a box-type transformer; the large-megawatt horizontal shaft wind driven generator and the oscillating float type wave energy power generation equipment are respectively and electrically connected with a box type transformer, and the box type transformer is positioned inside the floating damping pool foundation and is used for uniformly boosting the electric energy generated by the large-megawatt horizontal shaft wind driven generator and the oscillating float type wave energy power generation equipment and then sending the electric energy to an offshore booster station through a seabed medium-voltage cable; and an energy accumulator is arranged in the floating damping pool foundation, is connected with the box type transformer and is charged by the box type transformer to be used as a backup power supply of the large-megawatt horizontal shaft wind driven generator.
Furthermore, the floating damping pool foundation is internally divided into an upper cabin and a lower cabin, the upper cabin is a functional cabin, a wave energy hydraulic unit, a wave energy power generation unit, a box-type transformer and an energy accumulator are respectively arranged in the upper cabin and the lower cabin, and the lower cabin is a ballast cabin and is used for adjusting the draught of the structure, namely the water inflow of the floating damping pool foundation.
Furthermore, all oscillating float type wave energy power generation equipment share the same set of wave energy hydraulic unit and wave energy power generation unit, hydraulic energy generated by each oscillating float type wave energy power generation equipment is intensively transmitted to the wave energy hydraulic unit, the wave energy hydraulic unit is connected with the wave energy power generation unit and can drive the wave energy power generation unit to generate power, and electric energy generated by the wave energy power generation unit is connected into a box-type transformer through a cable to be boosted.
Furthermore, the oscillating float type wave energy power generation equipment comprises a hydraulic connecting rod and a float, wherein one end of the hydraulic connecting rod is fixed on the support, and the other end of the hydraulic connecting rod is vertically downwards connected with the float.
Further, the float is of a swivel type.
Furthermore, the floating damping pool is based on a structure shaped like a Chinese character 'hui'.
Further, the brackets are arranged in a transverse and longitudinal cross mode.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
1. the utility model discloses integrated big megawatt horizontal axis aerogenerator and oscillating float formula wave energy power generation facility, be about to wind energy resource and wave energy resource and fuse in the space, realized the three-dimensional development and utilization in space of the ocean energy, effectively improved sea area availability factor.
2. The utility model discloses a floating damping pond basis, the sea water in the floating damping pond can balance outside wave, alleviates basic motion amplitude, improves the stability, has good motion performance, and the wave effect (the wave energy flux density of the hollow region on floating damping pond basis is big than the wave energy flux density of peripheral sea area) that gathers on the basis of floating damping pond is favorable to improving the generating efficiency of oscillating float formula wave energy power generation equipment simultaneously. Furthermore, the utility model discloses place floating damping pond basis in wave energy hydraulic unit, wave energy power generation unit, box transformer and the accumulator in, make full use of floating damping pond basis's inner space, reduced floating damping pond basis's upper portion building simultaneously, reduced the wind load of device.
3. The utility model discloses the float that is located a plurality of oscillation float formula wave energy power generation facility adoption in the hollow area on floating damping pond basis is the solid of revolution formula, and is the array and arranges, makes its generating performance receive the influence of incident wave less.
4. The utility model discloses with big megawatt horizontal axis aerogenerator and the same floating damping pond basis of vibration float type wave energy power generation facility sharing as bearing structure, promoted bearing structure's utilization efficiency, one set of flexible mooring system, box transformer and marine booster station of vibration float type wave energy power generation facility and big megawatt horizontal axis aerogenerator sharing simultaneously and see off the cable, saved the equipment cost who is equipped with these modules alone for equipment, promoted whole profit.
5. The utility model discloses be equipped with the energy storage on the device, this energy storage is big megawatt horizontal axis aerogenerator's stand-by power supply when the typhoon state, has solved big megawatt horizontal axis aerogenerator in the typhoon operating mode and has left the unable driftage problem to the wind of net, can reduce big megawatt horizontal axis aerogenerator's limit load to a certain extent, practices thrift equipment weight and cost.
6. The utility model discloses at the horizontal and vertical cross arrangement support in the cavity region top on floating damping pond basis, can support oscillating float formula wave energy power generation facility, and oscillating float formula wave energy power generation facility passes through the support mounting in the cavity region on floating damping pond basis, can not influence big megawatt horizontal axis aerogenerator's fortune dimension, also can balance the weight on floating damping pond basis simultaneously, avoid floating damping pond basis to the lopsidedness of installing big megawatt horizontal axis aerogenerator.
Drawings
Fig. 1 is a perspective view of an offshore wind and wave combined power generation device.
FIG. 2 is a front view of the offshore wind and wave cogeneration unit.
FIG. 3 is a side view of an offshore wind and wave cogeneration unit.
FIG. 4 is a top view of the offshore wind and wave cogeneration unit.
Fig. 5 is a schematic structural diagram of an oscillating float type wave energy power generation device fixed on the basis of a floating damping pool.
Fig. 6 is a simplified diagram of the internal structure of the floating damping pool foundation.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Referring to fig. 1 to 6, the offshore multi-energy integrated device provided by the present embodiment includes a large megawatt horizontal axis wind turbine 1, a floating damping pool foundation 2, a bracket 3, an oscillating float type wave energy power generation device 4, and a flexible mooring system 5.
The floating damping pool foundation 2 adopts a square-shaped structure, the main materials of the floating damping pool foundation 2 are steel and concrete, the inside of the damping pool foundation 2 is divided into an upper cabin and a lower cabin, and each cabin is divided into 12 small cabins; the lower deck is a ballast tank 17 for regulating the draught of the structure; the upper cabin is a functional cabin 16, and a wave energy hydraulic unit 12, a wave energy power generation unit 13, a box-type transformer 14 and an energy accumulator 15 are respectively arranged in the functional cabin; the box-type transformer 14 is shared equipment of the large-megawatt horizontal-axis wind driven generator 1 and the oscillating float-type wave energy power generation equipment 4, and can be used for uniformly boosting electric energy emitted by the large-megawatt horizontal-axis wind driven generator 1 and the oscillating float-type wave energy power generation equipment 4 and then sending the electric energy to an offshore booster station through a seabed medium-voltage cable; the energy storage device 15 is connected with the box-type transformer 14, is charged by the box-type transformer 14, and can be used as a backup power supply of the large-megawatt horizontal-axis wind turbine 1 under the typhoon working condition.
The floating damping pool foundation 2 is fixed on the seabed through a flexible mooring system 5, mooring points are arranged at four corners of the bottom of the floating damping pool foundation 2, a large megawatt horizontal shaft wind driven generator 1 is arranged on the upper surface of the floating damping pool foundation 2 and is close to one side edge of the floating damping pool foundation 2, a hollow area for placing an oscillating float type wave energy power generation device 4 is formed in the middle of the floating damping pool foundation 2, a support 3 is transversely and longitudinally erected above the hollow area of the floating damping pool foundation 2 in a crossed mode and used for fixing the oscillating float type wave energy power generation device 4, a plurality of oscillating float type wave energy power generation devices 4 are arranged in an array mode in the middle of the floating damping pool foundation 2 and are connected with the support 3, and the oscillating float type wave energy power generation devices 4 are arranged in an array mode to enable the power generation performance of the oscillating float type wave energy power generation devices to be slightly affected, and the wave gathering effect based on the floating damping pool foundation 2 (the wave energy flow density of the hollow area of the floating damping pool foundation 2 is higher than that of the peripheral sea area) is beneficial to improving the power generation efficiency of the oscillating float type wave energy power generation equipment 4. In addition, the whole device is provided with a set of collecting and sending system (not shown in the figure) for sending the electric energy generated by the large-megawatt horizontal-axis wind driven generator 1 and the oscillating float type wave energy power generation device 4 to the offshore booster station.
The large-megawatt horizontal-axis wind turbine 1 comprises a tower 9, a nacelle 8, a hub 7, main parts of blades 6 and other accessory parts (not shown in the figure). Under the normal working condition, the impeller 6 rotates under the action of wind power to drive the main shaft to rotate, the wind power is converted into mechanical energy, the main shaft drives the gear box to rotate, the mechanical energy is transmitted, the gear box drives the generator rotor to move, the magnetic induction line is cut to generate electricity, the conversion from the mechanical energy to the electric energy is realized, the electric energy is transmitted to the bottom of the tower barrel 9 through a cable, and the electric energy is connected into a box type transformer 14 arranged in the floating type damping pool foundation 2 to be boosted. Under the working condition of typhoon, the large-megawatt horizontal axis wind driven generator 1 enters the off-grid shutdown state, the paddle feathers to 90 degrees, the impeller is locked, and at the moment, the energy storage device 15 is used as a backup power supply of the large-megawatt horizontal axis wind driven generator 1 to provide yaw power for wind load reduction of the large-megawatt horizontal axis wind driven generator 1 in a yaw mode.
The oscillating float type wave energy power generation equipment 3 comprises a float 11 and a hydraulic connecting rod 10, all the oscillating float type wave energy power generation equipment 4 share the same set of wave energy hydraulic unit 12 and wave energy power generation unit 13, under the normal working state, the floater 11 does heave reciprocating motion under the action of wave oscillation to convert the wave energy into mechanical energy, the lower part of the hydraulic connecting rod 10 is a thin rod piece, and vertically downward connected with a float 11, the upper part of the hydraulic connecting rod 10 is a sleeve and connected with a bracket 3, under the driving action of the floater 11, the thin rod piece and the sleeve relatively move to do work, mechanical energy is converted into hydraulic energy, the hydraulic energy is intensively conveyed to the wave energy hydraulic unit 12 through a high-pressure oil pipe (not shown in the figure) arranged on the support 3, the wave energy hydraulic unit 12 drives the wave energy power generation unit 13 to intensively generate power, and electric energy generated by the wave energy power generation unit 12 is connected to the box-type transformer 14 through a cable to boost the voltage. Under an extremely severe sea condition, the oscillating float type wave energy power generation equipment 4 stops generating power, enters a shutdown protection mode, lifts the float 11 out of the water surface, and avoids serious damage to the float 11 caused by waves. The float 11 is of a rotary body type, and is not limited to one shape, and may be a spherical bottom, an ellipsoidal bottom, a conical bottom, a curved conical bottom, or the like.
To sum up, the utility model discloses an intensive form of using sea, the multi-energy to synthesize the development provides a marine stormy wave cogeneration device, fuses wind energy resource and wave energy resource in the space, can effectively promote sea area availability factor, reduce equipment sharing cost, provides a new scheme for ocean resource development, is worth promoting.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a marine wind and wave combined power generation device which characterized in that: the device comprises a large megawatt horizontal shaft wind driven generator (1), a floating damping pool foundation (2), a bracket (3), an oscillating float type wave power generation device (4) and a flexible mooring system (5); the large-megawatt horizontal shaft wind driven generator (1) is mounted on the upper surface of a floating damping pool foundation (2) and is positioned at one side edge close to the floating damping pool foundation (2), a hollow area is formed in the middle of the floating damping pool foundation (2), a support (3) is erected above the hollow area of the floating damping pool foundation (2) and used for fixing oscillating float type wave energy power generation equipment (4), a plurality of oscillating float type wave energy power generation equipment (4) are arranged in the hollow area of the floating damping pool foundation (2) in an array mode and are connected with the support (3), and the floating damping pool foundation (2) is fixed on a seabed through a flexible mooring system (5).
2. The offshore wind and wave cogeneration unit of claim 1, wherein: also comprises a box-type transformer (14); the large megawatt horizontal shaft wind driven generator (1) and the oscillating float type wave energy power generation equipment (4) are respectively and electrically connected with a box type transformer (14), and the box type transformer (14) is positioned inside the floating damping pool foundation (2) and is used for uniformly boosting the electric energy generated by the large megawatt horizontal shaft wind driven generator (1) and the oscillating float type wave energy power generation equipment (4) and then sending the electric energy to an offshore booster station through a seabed medium-voltage cable; an energy storage device (15) is arranged inside the floating damping pool foundation (2), the energy storage device (15) is connected with a box type transformer (14), the box type transformer (14) charges the energy storage device, and the energy storage device is used as a backup power supply of the large-megawatt horizontal shaft wind driven generator (1).
3. The offshore wind and wave cogeneration unit of claim 1, wherein: the floating damping pool foundation (2) is internally divided into an upper cabin and a lower cabin, the upper cabin is a functional cabin (16), a wave energy hydraulic unit (12), a wave energy power generation unit (13), a box-type transformer (14) and an energy storage device (15) are respectively arranged in the upper cabin and the lower cabin, and the lower cabin is a ballast cabin (17) and is used for adjusting the structure draft, namely the water inflow of the floating damping pool foundation.
4. The offshore wind and wave cogeneration unit of claim 1, wherein: all oscillating float type wave energy power generation equipment (4) share the same set of wave energy hydraulic unit (12) and wave energy power generation unit (13), hydraulic energy generated by each oscillating float type wave energy power generation equipment (4) is intensively transmitted into the wave energy hydraulic unit (12), the wave energy hydraulic unit (12) is connected with the wave energy power generation unit (13) and can drive the wave energy power generation unit (13) to generate electricity, and electric energy generated by the wave energy power generation unit (13) is connected into a box-type transformer (14) through a cable to be boosted.
5. An offshore wind and wave cogeneration unit according to claim 1 or 4, characterized in that: the oscillating float type wave power generation equipment (4) comprises a hydraulic connecting rod (10) and a float (11), wherein one end of the hydraulic connecting rod (10) is fixed on the support (3), and the other end of the hydraulic connecting rod is vertically and downwards connected with the float (11).
6. The offshore wind and wave cogeneration unit of claim 5, wherein: the floater (11) is in a revolving body type.
7. A marine wind and wave cogeneration unit according to any one of claims 1 to 3, further comprising: the floating damping pool foundation (2) is of a structure shaped like a Chinese character 'hui'.
8. The offshore wind and wave cogeneration unit of claim 1, wherein: the brackets (3) are arranged crosswise and longitudinally.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021238341.XU CN212535925U (en) | 2020-06-30 | 2020-06-30 | Offshore wind and wave combined power generation device |
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| CN202021238341.XU CN212535925U (en) | 2020-06-30 | 2020-06-30 | Offshore wind and wave combined power generation device |
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| CN212535925U true CN212535925U (en) | 2021-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779631A (en) * | 2020-06-30 | 2020-10-16 | 明阳智慧能源集团股份公司 | Offshore wind and wave combined power generation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779631A (en) * | 2020-06-30 | 2020-10-16 | 明阳智慧能源集团股份公司 | Offshore wind and wave combined power generation device |
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