CN111271212A - Oscillating float type wave energy and tidal current energy combined power generation device - Google Patents
Oscillating float type wave energy and tidal current energy combined power generation device Download PDFInfo
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- CN111271212A CN111271212A CN202010168575.XA CN202010168575A CN111271212A CN 111271212 A CN111271212 A CN 111271212A CN 202010168575 A CN202010168575 A CN 202010168575A CN 111271212 A CN111271212 A CN 111271212A
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- tidal current
- current energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
- F03B13/264—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy using the horizontal flow of water resulting from tide movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/16—Stators
- F03B3/18—Stator blades; Guide conduits or vanes, e.g. adjustable
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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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
- Y02E10/20—Hydro 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oceanography (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses an oscillating float type wave energy and tidal current energy combined power generation device which comprises at least two upright posts, wherein the two upright posts are arranged in parallel, the bottom ends of the upright posts are fixedly arranged on the sea bottom, the top ends of the upright posts are fixedly connected with a case respectively, and generators of a wave energy generator set and a tidal current energy generator set are arranged in the cases; the wave energy generator set and the tidal current energy generator set are combined and are matched with each other in a cooperative manner through reasonable structural arrangement, so that wind energy and tidal current energy in one region can be utilized simultaneously, and the resource utilization rate is greatly improved; the tidal current energy generator set is positioned at a position close to the sea level, and tidal current energy contained in the sea in the region is larger than tidal current energy at the offshore bottom, so that the tidal current energy generator set can obtain more energy when being installed in the offshore level water area; has good popularization value.
Description
Technical Field
The invention relates to the technical field of offshore power generation, in particular to an oscillating float type wave energy and tidal current energy combined power generation device.
Background
The existing wave energy and tidal current energy combined power generation device is influenced by the directions of tidal current and wave, so that only part of wave energy or tidal current energy in a fixed direction can be utilized, and flexible steering cannot be realized. Most of the existing tidal current energy power generation equipment utilizes tidal current energy of a deep water region, wherein the tidal current flow rate is lower than that of the shallow water region, so that part of tidal current energy power generation devices cannot work normally when meeting low-speed tidal current, and the energy conversion efficiency is too low, so that the availability of the tidal current energy of the deep water region is lower than that of the tidal current energy of the shallow water region. In the aspect of point absorption type wave energy power generation technology, a single-oscillation floater is mostly adopted to collect wave energy in the past, or a plurality of point absorption devices are subjected to power allocation and grid connection after secondary conversion, so that the floater cannot continuously and stably absorb the wave energy. Meanwhile, the traditional device for generating electricity by adopting the oscillating floater technology is often too large in floater volume, so that the requirement on sea conditions is high, and the electricity generation effect can be achieved by large wind waves.
Disclosure of Invention
The invention aims to provide an oscillating float type wave energy and tidal current energy combined power generation device which is arranged in a shallow water area and can rotate according to a tidal current direction so as to utilize tidal current energy resources to the maximum extent.
The invention adopts the following technical scheme:
an oscillating float type wave energy and tidal current energy combined power generation device comprises at least two upright columns, wherein the two upright columns are arranged in parallel, the bottom ends of the upright columns are fixedly arranged on the sea bottom, the top ends of the upright columns are fixedly connected with a case respectively, and generators of a wave energy generator set and a tidal current energy generator set are arranged in the cases;
the wave energy generator set comprises a rotating shaft, an overrunning clutch, an oscillating floater, a transmission cable, a pulley, a seabed heavy object and a sinking block; two ends of the rotating shaft are respectively and rotatably connected to the chassis of the two upright posts, the overrunning clutch is rotatably sleeved on the rotating shaft, one end of the transmission cable is fixedly connected to the oscillating floater, the other end of the transmission cable is respectively and fixedly connected with the sinking block by bypassing the pulley and the overrunning clutch, the pulley is fixedly connected to the seabed heavy object, and the oscillating floater floats on the water surface;
tidal current energy generator sets are provided with two, and every tidal current energy generator set is provided with a plurality of impeller including rotating the kuppe of connection on the stand in the kuppe, and a plurality of impeller uses the axis of rotation as the center to be set up on the impeller fixed plate, and the impeller fixed plate fixes on the bearing support frame with welded mode, and the fixed cover of bearing support frame is established in the axis of rotation.
The tidal current energy generating sets are arranged at a shallow position below the sea level, the wave energy generating sets are arranged at the sea level, and the tidal current energy generating sets are connected to two sides of the wave energy generating sets.
Wave energy generator sets each oscillating buoy converts energy from ocean waves in the form of point absorption. Due to the irregularity of the motion of the sea waves, the adoption of the oscillating floater array can improve the stability and scale of the energy conversion of the device.
The tidal current energy generator set is located at a position close to the sea level, tidal current energy contained in the sea in the region is larger than tidal current energy at the offshore bottom, so that the tidal current energy generator set is installed in the water area of the offshore level to obtain more energy, the air guide sleeve and the tidal current generator can be integrally adjusted according to the direction of the tidal current, and the energy utilization rate is maximized.
Furthermore, a plurality of impellers of the tidal current energy generator are rotatably arranged on the impeller fixing plate by taking the rotating shaft as the center, and a single impeller is a pear-shaped line wing-shaped blade.
The pear-shaped line wing type blades rotate around the axes on the bearing support frame to output torque, and the bearing support frame drives 3 groups of pear-shaped line wing type blades and the rotating shaft instrument to rotate to output torque.
Preferably, there are three impellers, each having 2 of the pyriform aerofoil blades.
Preferably, the wave energy generator set adopts a hydraulic generator, and the generator of the tidal current energy generator set is a double-fed asynchronous generator driven by a speed increaser and a transmission system.
The invention has the technical effects that:
the wave energy generator set and the tidal current energy generator set are combined and are matched with each other in a cooperative manner through reasonable structural arrangement, so that wind energy and tidal current energy in one region can be utilized simultaneously, and the resource utilization rate is greatly improved; the tidal current energy generator set is positioned at a position close to the sea level, and tidal current energy contained in the sea in the region is larger than tidal current energy at the offshore bottom, so that the tidal current energy generator set can obtain more energy when being installed in the offshore level water area; has good popularization value.
The air guide sleeve used by the tidal current energy generator set is rotatably arranged on the stand column, and the direction of the air guide sleeve can be changed according to the incoming current direction, so that the incoming current effect is improved, the water flow is stabilized, and the running stability of the water turbine is ensured. The composite multi-stage tidal current energy power generation water turbine used by the tidal current energy generator set can not only provide torque for revolution of the main shaft through a plurality of sets of pyriform line wing blades, but also can collect kinetic energy generated by rotation of each set of pyriform line wing blades so as to achieve maximization of energy recovery efficiency.
The case part of the oscillating float type wave power generation device is supported by the upright posts and positioned above the sea surface, so that the corrosion resistance of the device is improved. The oscillating floater array is adopted to convert wave energy, and the wave energy is further converted into electric energy through a hydraulic device, so that the overall conversion efficiency and stability are improved.
Drawings
FIG. 1 shows the overall structure of the present invention;
FIG. 2 shows the structure of a pear-shaped blade;
figure 3 shows the structure of a single oscillating float.
Detailed Description
As shown in fig. 1-3, the invention comprises a wave energy generator set positioned at sea level and a tidal current energy generator set positioned at a shallower position below sea level; the wave energy generator set is one set, and the tidal current energy generator set is two sets; the tidal current energy generator set is connected to two sides of the wave energy generator set, and the power generation device comprises two upright posts 3, the bottom ends of which are fixedly connected to the sea bottom.
The wave energy generating set adopts a point absorption type wave energy generating device, also called an oscillating floater type wave energy generating device, the device comprises two oscillating floaters and an independent generator, the two oscillating floaters are combined with a tidal current energy generating set, the whole structure is reasonable in arrangement, the two oscillating floaters are mutually cooperated, wind energy and tidal current energy in one region can be simultaneously utilized in multiple angles, and the resource utilization rate is greatly improved; because the tidal current energy generator set is positioned at a position close to the sea level, and tidal current energy contained in the sea in the region is larger than tidal current energy at the offshore bottom, the tidal current energy generator set can obtain more energy when being installed in the water area of the offshore level, and the resource utilization rate is greatly improved.
The utility model provides an oscillating float formula wave energy and trend can combination power generation facility, includes two at least stands, two stand parallel arrangement, and the bottom of stand all sets firmly in the seabed, and the top of stand respectively links firmly a quick-witted case, and wave energy generating set and trend can the generating set's generator all install in quick-witted case 2.
Particularly, the wave energy generator set is located at the sea level. The wave energy generator set comprises a rotating shaft 1, an overrunning clutch 8, an oscillating floater 9, a transmission cable 10, a pulley 11, a seabed heavy object 12 and a sinking block 13; the two ends of the rotating shaft are respectively and rotatably connected to the machine cases 2 of the two upright posts, the overrunning clutch is rotatably sleeved on the rotating shaft, one end of the transmission cable is fixedly connected to the oscillating floater, the other end of the transmission cable is fixedly connected with the sinking block by respectively bypassing the pulley and the overrunning clutch, the pulley is fixedly connected to a seabed heavy object, and the oscillating floater floats on the water surface.
The oscillating floater 9 moves up and down under the action of waves to drive the transmission cable 10 to move, the transmission cable passes through a fixed pulley 11 fixed with a seabed heavy object 12, and the tail end of the transmission cable is wound on the overrunning clutch 8. When the wave descends, the oscillating floater 9 sinks, the counterweight body 12 descends along with the descending, the overrunning clutch 8 is separated, and the pulling force generated on the transmission cable 10 is not transmitted to the rotating shaft 1. Because each oscillating floater of the oscillating floater array does up-and-down fluctuation motion in waves due to buoyancy, when one oscillating floater finishes doing work, the other oscillating floater can continue to do work on the rotating shaft, and the oscillating floaters can do work on the rotating shaft in different time, so that the wave energy input is more stable. The kinetic energy of the rotating shaft is further converted into stable hydraulic energy through a hydraulic conversion device inside the case 2, and then the hydraulic energy is converted into electric energy through a generator. The device can collect wave energy on a large scale and convert the wave energy into stable electric energy.
Specifically, the part below the sea level is a tidal current energy generating set, the tidal current energy generating set is provided with two tidal current energy generating sets, each tidal current energy generating set comprises a flow guide cover 4 which is rotatably connected to the stand column, a plurality of impellers 5 are arranged in the flow guide cover, the impellers are rotatably arranged on an impeller fixing plate by taking a rotating shaft 7 as a center, the impeller fixing plate is fixed on a bearing support frame 6 in a welding mode, the bearing support frame is fixedly sleeved on the rotating shaft, water flow entering from the flow guide cover impacts the impellers, the impellers rotate, the bearing support frame and the rotating shaft are enabled to rotate under the action of the impellers, and a bevel gear set meshed with a generator rotor is arranged on the rotating shaft.
The power output end of the impeller of the tidal current energy generator is connected with the power input end of the speed increaser, and the power output end of the speed increaser is connected with the power input end of the tidal current energy generator. When the sea water rises and falls, water flow comes from the direction opposite to the impeller, the impeller is a pear-shaped line wing-shaped blade, the pear-shaped line wing-shaped blade rotates around the axis on the bearing support frame 6 to output torque, and the bearing support frame 6 drives 3 groups of pear-shaped line wing-shaped blades to rotate around the rotating shaft 7 to output torque; the rotor of the double-fed asynchronous generator is driven to rotate by the speed increaser and the transmission system, and further the rotating mechanical energy is converted into electric energy.
As shown in fig. 1, the air guide sleeve used by the tidal current energy generating set is designed in a horn shape with a small inlet and a large outlet, so that the energy gathering effect on tidal current energy can be improved, and the tidal current flow speed flowing through the water turbine can be improved.
The above specific implementation manner and embodiments are specific support for the technical idea of the oscillating float type wave energy and tidal current energy combined power generation device provided by the present invention, and the protection scope of the present invention cannot be limited thereby, and any equivalent changes or equivalent changes made on the basis of the technical scheme according to the technical idea provided by the present invention still belong to the protection scope of the technical scheme of the present invention.
Claims (5)
1. An oscillating float type wave energy and tidal current energy combined power generation device is characterized by comprising at least two upright columns, wherein the two upright columns are arranged in parallel, the bottom ends of the upright columns are fixedly arranged on the sea bottom, the top ends of the upright columns are fixedly connected with a case respectively, and generators of a wave energy generator set and a tidal current energy generator set are arranged in the cases;
the wave energy generator set comprises a rotating shaft, an overrunning clutch, an oscillating floater, a transmission cable, a pulley, a seabed heavy object and a sinking block; two ends of the rotating shaft are respectively and rotatably connected to the chassis of the two upright posts, the overrunning clutch is rotatably sleeved on the rotating shaft, one end of the transmission cable is fixedly connected to the oscillating floater, the other end of the transmission cable is respectively and fixedly connected with the sinking block by bypassing the pulley and the overrunning clutch, the pulley is fixedly connected to the seabed heavy object, and the oscillating floater floats on the water surface;
tidal current energy generator sets are provided with two, and every tidal current energy generator set is provided with a plurality of impeller including rotating the kuppe of connection on the stand in the kuppe, and a plurality of impeller uses the axis of rotation as the center to be set up on the impeller fixed plate, and the impeller fixed plate fixes on the bearing support frame with welded mode, and the fixed cover of bearing support frame is established in the axis of rotation.
2. An oscillating float type wave energy and tidal energy combined power generation device according to claim 1, wherein a plurality of impellers are rotatably arranged on the impeller fixing plate centering on the rotating shaft.
3. An oscillating float type wave energy and tidal energy combined power generation device according to claim 1, wherein the impeller is a pear-shaped line wing type blade.
4. An oscillating float type wave energy and tidal energy combined power generation device according to claim 1, wherein there are three impellers, and the number of the pyriform line wing-shaped blades of each impeller is 2.
5. The oscillating float type wave energy and tidal current energy combined power generation device of claim 1, wherein the wave energy generator set is a hydraulic generator, and the generator of the tidal current energy generator set is a double-fed asynchronous generator driven by a speed increaser and a transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168575.XA CN111271212A (en) | 2020-03-12 | 2020-03-12 | Oscillating float type wave energy and tidal current energy combined power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168575.XA CN111271212A (en) | 2020-03-12 | 2020-03-12 | Oscillating float type wave energy and tidal current energy combined power generation device |
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| CN111271212A true CN111271212A (en) | 2020-06-12 |
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| CN202010168575.XA Pending CN111271212A (en) | 2020-03-12 | 2020-03-12 | Oscillating float type wave energy and tidal current energy combined power generation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855423A (en) * | 2021-01-12 | 2021-05-28 | 浙江海洋大学 | Wave energy and tidal current energy combined power generation device |
| CN115419544A (en) * | 2022-08-05 | 2022-12-02 | 山东水发新能源发展有限公司 | Device and method for offshore wind generating set base combined with float type hydrodynamic power generation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410134A (en) * | 2011-10-31 | 2012-04-11 | 集美大学 | Multi-oscillating floater wave-driven hydraulic power generating device |
| CN202926514U (en) * | 2012-10-16 | 2013-05-08 | 黎祖福 | Oscillation float type wave power generation device |
| CN107829874A (en) * | 2017-09-26 | 2018-03-23 | 河海大学 | A kind of hydraulic turbine to be generated electricity based on combined type multistage marine tidal-current energy |
| CN111271211A (en) * | 2020-03-03 | 2020-06-12 | 史玉成 | Oscillating float type wave power generation device |
-
2020
- 2020-03-12 CN CN202010168575.XA patent/CN111271212A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410134A (en) * | 2011-10-31 | 2012-04-11 | 集美大学 | Multi-oscillating floater wave-driven hydraulic power generating device |
| CN202926514U (en) * | 2012-10-16 | 2013-05-08 | 黎祖福 | Oscillation float type wave power generation device |
| CN107829874A (en) * | 2017-09-26 | 2018-03-23 | 河海大学 | A kind of hydraulic turbine to be generated electricity based on combined type multistage marine tidal-current energy |
| CN111271211A (en) * | 2020-03-03 | 2020-06-12 | 史玉成 | Oscillating float type wave power generation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855423A (en) * | 2021-01-12 | 2021-05-28 | 浙江海洋大学 | Wave energy and tidal current energy combined power generation device |
| CN115419544A (en) * | 2022-08-05 | 2022-12-02 | 山东水发新能源发展有限公司 | Device and method for offshore wind generating set base combined with float type hydrodynamic power generation |
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Application publication date: 20200612 |