CN112963294A - Power generation equipment utilizing offshore wave energy - Google Patents
Power generation equipment utilizing offshore wave energy Download PDFInfo
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- CN112963294A CN112963294A CN202110213167.6A CN202110213167A CN112963294A CN 112963294 A CN112963294 A CN 112963294A CN 202110213167 A CN202110213167 A CN 202110213167A CN 112963294 A CN112963294 A CN 112963294A
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- framework
- power generation
- water wheel
- vertical water
- slideway
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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
- F03B13/22—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 flow of water resulting from wave movements to drive a motor or turbine
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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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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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
- F03B15/00—Controlling
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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
- F03B3/14—Rotors having adjustable blades
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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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K35/00—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
- H02K35/02—Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving magnets and stationary coil systems
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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)
- Power Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses offshore wave energy utilization power generation equipment which comprises a slideway framework and vertical water wheel components, wherein the slideway framework is an arc kidney-shaped groove slideway, the lower end surface of the slideway framework is movably provided with a plurality of vertical water wheel components along kidney-shaped grooves, and the vertical water wheel components can be impacted by water flow to rotate and drive a power generation coil which is connected with the vertical water wheel components and is positioned on the upper end surface of the slideway framework to generate power; the up end of slide framework still fixed link has many damping rods, the one end fixed connection that the slide framework was kept away from to the damping rod is in the carousel, the carousel rotationally connects under the carousel seat of yawing, the equipment fixed connection of carousel seat of yawing and the surface of water. Compared with the prior art, the invention has the advantages of stable operation, long service life and difficult fatigue loss, the slideway framework can automatically yaw, and the rotation direction can be adjusted to prevent the cable from winding.
Description
Technical Field
The invention relates to the technical field of power generation equipment, in particular to power generation equipment utilizing offshore wave energy.
Background
China has wide ocean territory and a plurality of islands, and a plurality of offshore facility platforms are built, many offshore facility platforms are far away from the continent, and the power supply is short, so that the significance of researching the ocean wave energy power generation technology with high efficiency and low cost is very important, and the ocean wave energy power generation technology is beneficial to offshore production, life and development of tourism resources. On the continent, power is easy to obtain, and the power grid can reach many areas of the continent, but after the island and the offshore facility are separated from the continent for a certain distance, the continent power grid is difficult to supply, so that the island and the offshore facility have urgent power utilization requirements.
The ocean not only contains abundant biological and mineral resources, but also contains huge energy. With the importance of ocean resources and the development of science and technology in various countries in the world, people explore different ways to extract and utilize ocean energy.
In the prior art, a power generation device is driven to generate power by an impeller arranged underwater, a rotating shaft of a blade is parallel to a water flow direction, the impeller is aligned to the flow direction due to the fact that the flow direction of seawater is uncertain, small and miniature power generation devices commonly use tail rudders, the power generation efficiency is low, medium and large power generation devices generally adopt an electric yaw system to adjust the impeller, the device structure is complex, the cost is high, ocean currents are complex, cables are easily twisted and damaged due to autorotation of the impeller, and in addition, fatigue abrasion is easily generated at the root of the blade due to the fact that the blade is subjected to large thrust;
the blades arranged in the vertical direction can be pushed by water flow in any direction, and the wind power generation device has the advantages of simple structure, uniform stress, long service life and low cost, but the blades and the reverse blades are easy to be subjected to self resistance, and the power generation efficiency is lower.
Therefore, there is a need for an offshore wave energy utilizing power generation facility that solves the problems set forth in the background above.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a power generation device utilizing offshore wave energy comprises a slideway framework and vertical water wheel components, wherein the slideway framework is an arc kidney-shaped groove slideway, the lower end surface of the slideway framework is movably provided with a plurality of vertical water wheel components along kidney-shaped grooves, and the vertical water wheel components can be impacted by water flow to rotate and drive a power generation coil connected with the vertical water wheel components and positioned on the upper end surface of the slideway framework to generate power;
the up end of slide framework still fixed link has many damping rods, the one end fixed connection that the slide framework was kept away from to the damping rod is in the carousel, the carousel rotationally connects under the carousel seat of yawing, the equipment fixed connection of carousel seat of yawing and the surface of water.
Further, as a preferred embodiment, the vertical water wheel assembly comprises blades and an upper connecting ring, a rotating shaft is fixedly connected above the upper connecting ring, and the rotating shaft is connected into a rotor of the generating coil to drive the generation of power;
the rotating shaft is connected with a sliding block through a bearing, and the sliding block is movably connected with the slide way framework;
the lower connecting ring matched with the upper connecting ring is arranged below the upper connecting ring, a plurality of blades distributed circumferentially are detachably bolted between the upper connecting ring and the lower connecting ring, and a certain angle is formed between each blade and the diameter of the upper connecting ring passing through the center of the blade.
Further, as preferred the vertical water wheel assembly further comprises a drainage paddle, the drainage paddle is fixedly connected to the lower portion of the upper connecting ring and the center of the cylinder surrounded by the blades, the drainage paddle is a conical propeller with a large upper portion and a small lower portion, and the rotating direction of the surface threads of the drainage paddle is the same as the inclination direction of the blades.
Preferably, the upper connecting ring of each vertical water wheel assembly is in a step shape with a small upper part and a large lower part, a shifting ring is rotatably sleeved in the upper part of the vertical water wheel assembly, two connecting rods are symmetrically fixed on the shifting ring along the diameter direction, and the connecting rods on one side of each two adjacent vertical water wheel assemblies are hinged together in a V shape.
Furthermore, as a plurality of preferred perpendicular water wheel assemblies, the shifting rings in the perpendicular water wheel assemblies on two sides are connected with two sides of the slide way framework through telescopic rods, piston rods of the telescopic rods are hinged with the corresponding shifting rings, and cylinder bodies of the telescopic rods are hinged with the side edges of the slide way framework.
Further, a sliding block is preferably fixed on a bearing in the vertical water wheel assembly, the sliding block is rotatably sleeved on the periphery of the rotating shaft, the sliding block vertically penetrates through the kidney-shaped groove of the slide way framework and is slidably connected with the kidney-shaped groove, and the sliding block is a kidney-shaped sliding block matched with the kidney-shaped groove of the slide way framework;
the upper end of the sliding block is detachably bolted with a sliding plate in a position on the upper surface of the slide rail framework, and the rotating shaft penetrates through the sliding plate and is connected into a rotor of a generating coil fixed on the sliding plate.
Furthermore, a side sliding liner is fixedly connected in a gap between the inner side wall of the kidney-shaped groove of the preferred slideway framework and the sliding block;
the upper end surfaces of two sides of the waist-shaped groove of the slideway framework are respectively provided with two lining grooves, an upper sliding lining is arranged above the lining grooves, a pressing plate fixedly connected with the upper sliding lining is arranged in the lining grooves, and the pressing plate can be arranged in the lining grooves in a vertically moving mode;
the position evenly distributed ground bolt that the terminal surface corresponds the gasket tank bottom under the slide framework has many adjusting bolt, adjusting bolt runs through into the gasket inslot, just be equipped with the locating pin between adjusting bolt and clamp plate, what the locating pin can reciprocate establishes at the gasket inslot, certain degree of depth in locating pin embedding clamp plate, just the locating pin periphery still overlaps and is equipped with the round spring of pressure under the clamp plate.
Further, the preferable turntable yawing seat comprises a shell and a gearwheel, wherein the shell is a cylindrical cavity, the upper end of the shell is detachably bolted below a water surface facility, the gearwheel is rotatably arranged in the shell, and the lower part of the gearwheel is fixedly connected with the turntable;
a pinion meshed with the gearwheel is arranged on one side of the gearwheel, and an angle sensor is arranged on the pinion;
the ratchet wheel is characterized in that a circle of ratchet groove is formed in the lower end face of the large gear, the ratchet in the ratchet groove is composed of two opposite ratchets which are symmetrical to each other, and a locking assembly is further arranged in the ratchet groove.
Preferably, the locking assembly includes pawls, two opposite pawls that are symmetrical to each other are rotatably disposed in a ratchet groove, each pawl is capable of correspondingly locking a ratchet in one direction, an electromagnet seat is further fixed in the ratchet groove, an electromagnet is fixed on the electromagnet seat in a direction that each pawl is far away from the ratchet, and the electromagnet is electrified to adsorb the pawl corresponding to the electromagnet and rotate the pawl to be far away from the ratchet.
Further, preferably, a torsion spring is further arranged in each pawl, the torsion spring provides a force for enabling the pawl to be close to the ratchet, and the torsion provided by the torsion spring is smaller than the magnetic force when the electromagnet is electrified.
Compared with the prior art, the invention has the beneficial effects that:
according to the vertical water wheel assembly, the blades which are distributed circumferentially are bolted between the upper connecting ring and the lower connecting ring of the vertical water wheel assembly, the blades are vertically arranged and can be pushed by water flow in any direction, the shearing force applied to the blades is small, the operation is stable, the service life is long, fatigue loss is not easy to generate, and the water flow entering a cylinder formed by the blades can be guided to form vortex and be discharged downwards through the arrangement of the drainage paddles, so that the phenomenon that the resistance of the blades is increased by the formation of turbulent flow is prevented.
In the invention, the vertical water wheel assembly is adhered to the pressure plate through the upper sliding liner in the sliding connection with the slideway framework, and the tightness between the upper sliding liner and the sliding plate can be adjusted by adjusting the screwing-in depth of the adjusting bolt, thereby obtaining the optimal sliding damping.
According to the invention, the slide way framework can rotate clockwise or anticlockwise to automatically yaw according to the wave flowing direction, when the slide way framework reaches +650 degrees or-650 degrees, the angle sensor sends a signal, the control system controls the telescopic rod to adjust the integral left-right deviation of each vertical water wheel assembly, so that the left-right water flow thrust received by the slide way framework is inconsistent and a torque is generated, the rotary disc rotates reversely to unwind the cable, when the slide way framework continuously rotates to 700 degrees in one direction, one electromagnet in the corresponding direction in the locking assembly is triggered to be powered off, the slide way framework can not rotate to the direction, and the cable is prevented from being damaged.
Drawings
Fig. 1 is a schematic structural diagram of an offshore wave energy utilization power generation device;
FIG. 2 is a schematic structural view of a vertical water wheel assembly of an offshore wave energy utilization power generation plant;
FIG. 3 is a schematic cross-sectional view of a vertical water wheel assembly of an offshore wave energy utilization power generation plant;
FIG. 4 is a schematic view of a slide frame and connecting rod structure of an offshore wave energy generation device;
FIG. 5 is a schematic view of a slider connection structure of an offshore wave energy utilization power generation device;
FIG. 6 is a schematic diagram of a power plant using offshore wave energy at location A;
FIG. 7 is a schematic view of a turntable yaw base structure of an offshore wave energy power generation device;
FIG. 8 is a schematic structural diagram of a locking assembly of the offshore wave energy utilization power generation device;
in the figure: 1. a slideway frame; 2. a damping lever; 3. a turntable; 4. a turntable yaw base; 41. a housing; 42. a bull gear; 43. a ratchet groove; 44. a locking assembly; 45. a pinion gear; 441. a pawl; 442. an electromagnet base; 443. an electromagnet; 5. a telescopic rod; 6. a vertical water wheel assembly; 7. a power generating coil; 8. a connecting rod; 9. an angle sensor; 10. a slide plate; 11. an upper sliding pad; 12. adjusting the bolt; 13. a side sliding pad; 14. a gasket groove; 15. positioning pins; 16. a round spring; 17. pressing a plate; 61. a blade; 62. an upper connecting ring; 63. a lower connecting ring; 64. a bearing; 65. a drainage paddle; 66. a slider; 67. a rotating shaft; 68. a water outlet; 69. and (4) ring pulling.
Detailed Description
Referring to fig. 1, in the embodiment of the present invention, a power generation device using offshore wave energy includes a slideway framework 1 and vertical water wheel assemblies 6, wherein the slideway framework 1 is an arc-shaped kidney-shaped groove slideway, a plurality of vertical water wheel assemblies 6 are movably disposed on a lower end surface of the slideway framework 1 along kidney-shaped grooves thereof, and the vertical water wheel assemblies 6 can be impacted by water flow to rotate and drive a power generation coil 7 connected thereto and located on an upper end surface of the slideway framework 1 to generate power;
Referring to fig. 2 and 3, in the present embodiment, the vertical water wheel assembly 6 includes a blade 61, an upper connection ring 62, a rotation shaft 67 is fixedly connected above the upper connection ring 62, and the rotation shaft 67 is connected to a rotor of the generating coil 7 to drive generation;
the rotating shaft 67 is connected with a sliding block 66 through a bearing 64, and the sliding block 66 is movably connected with the slide way framework 1;
the lower connecting ring 63 matched with the upper connecting ring 62 is arranged below the upper connecting ring 62, a plurality of circumferentially distributed blades 61 are detachably bolted between the upper connecting ring 62 and the lower connecting ring 63, and a certain angle is formed between each blade 61 and the diameter of the upper connecting ring 62 passing through the center of the blade.
Referring to fig. 2 and 3, in the present embodiment, the vertical water wheel assembly 6 further includes a drainage paddle 65, the drainage paddle 65 is fixedly connected to the lower portion of the upper connecting ring 62 and the center of the cylinder surrounded by the blades 61, the drainage paddle 65 is a conical propeller with a large upper portion and a small lower portion, and the rotation direction of the surface threads of the drainage paddle 65 is the same as the inclination direction of the blades 61;
by arranging the drainage paddle 65, the water flow entering the cylinder surrounded by the blades 61 can be guided to form a vortex and be discharged downwards, and the resistance of the blades 61 caused by the turbulent flow is prevented from being increased.
Referring to fig. 3 and 4, in the present embodiment, the upper connecting ring 62 of each vertical water wheel assembly 6 is a step-shaped structure with a small top and a large bottom, a shifting ring 69 is rotatably sleeved in an upper portion of the upper connecting ring, two connecting rods 8 are symmetrically fixed to the shifting ring 69 along a diameter direction, and the connecting rods 8 on one side of two adjacent vertical water wheel assemblies 6 are hinged together in a V shape.
Referring to fig. 4, in the present embodiment, among the vertical water wheel assemblies 6, the shifting rings 69 of the vertical water wheel assemblies 6 on both sides are further connected to both sides of the slide way frame 1 through the telescopic rods 5, the piston rods of the telescopic rods 5 are hinged to the corresponding shifting rings 69, and the cylinder bodies of the telescopic rods 5 are hinged to the side edges of the slide way frame 1;
that is, the positions of the vertical water wheel assemblies 6 at both sides can be adjusted by the extension and contraction of the telescopic rods 5 at both sides of the chute frame 1, and since each vertical water wheel assembly 6 is hinged together by the connecting rod 8, the same interval is maintained therebetween, thereby achieving the purposes of adjusting the interval of each vertical water wheel assembly 6 and enabling the whole body to be shifted left and right.
Referring to fig. 5, in this embodiment, a sliding block 66 is further fixed on the bearing 64 in the vertical water wheel assembly 6, the sliding block 66 is rotatably sleeved on the periphery of the rotating shaft 67, the sliding block 66 vertically penetrates through the kidney-shaped groove of the slide way frame 1 and is slidably connected with the kidney-shaped groove, and the sliding block 66 is a kidney-shaped sliding block matched with the kidney-shaped groove of the slide way frame 1;
the slider 66 is detachably bolted at its upper end with the slide plate 10 in a position above the upper surface of the slide frame 1, and the rotary shaft 67 penetrates the slide plate 10 and is connected to the inside of the rotor of the generating coil 7 fixed to the slide plate 10.
That is, the slide plate 10 and the bearing 64 are coupled together by the slider 66 and inserted through the kidney-shaped groove of the chute frame 1 to be clamped on the upper and lower surfaces of the chute frame 1, thereby achieving the effect of slidably coupling together while restricting the vertical direction.
Referring to fig. 6, in the present embodiment, a side sliding pad 13 is fixedly connected to a gap between an inner side wall of a kidney-shaped slot of the slide frame 1 and the sliding block 66;
the upper end surfaces of two sides of a kidney-shaped groove of the slideway framework 1 are respectively provided with two lining grooves 14, an upper sliding lining 11 is arranged above the lining grooves 14, a pressing plate 17 fixedly connected with the upper sliding lining 11 is arranged in the lining grooves 14, and the pressing plate 17 is arranged in the lining grooves 14 in a vertically movable manner;
a plurality of adjusting bolts 12 are uniformly bolted into the lower end face of the slide way framework 1 corresponding to the bottom of the lining groove 14 in a distributed manner, the adjusting bolts 12 penetrate through the lining groove 14, a positioning pin 15 is arranged between each adjusting bolt 12 and the corresponding pressure plate 17, the positioning pin 15 can be vertically arranged in the lining groove 14, the positioning pin 15 is embedded into the corresponding pressure plate 17 to a certain depth, and a round spring 16 pressed below the corresponding pressure plate 17 is sleeved on the periphery of the positioning pin 15;
the upper sliding gasket 11 is adhered to the pressing plate 17 through elastic epoxy glue, and the tightness between the upper sliding gasket 11 and the sliding plate 10 can be adjusted by adjusting the screwing-in depth of the adjusting bolt 12, so that the optimal sliding damping is obtained;
in this embodiment, the upper sliding pad 11 and the side sliding pad 13 are made of PTFE fabric materials, have a self-lubricating function, and can generate a self-lubricating material during sliding.
Referring to fig. 7, in the embodiment, the turntable yawing base 4 includes a housing 41 and a gearwheel 42, the housing 41 is a cylindrical cavity, the upper end of the housing is detachably bolted below a water surface facility, the gearwheel 42 is rotatably disposed in the housing, and the lower side of the gearwheel 42 is fixedly connected to the turntable 3;
a pinion 45 meshed with the gearwheel 42 is arranged on one side of the gearwheel 45, and an angle sensor 9 is arranged on the pinion 45;
a circle of ratchet grooves 43 are formed in the lower end face of the large gear 42, the ratchet in each ratchet groove 43 is composed of two opposite symmetrical ratchet halves, and a locking assembly 44 is further arranged in each ratchet groove 43.
Referring to fig. 8, in the present embodiment, the locking assembly 44 includes pawls 441, two opposite pawls 441 symmetric to each other are rotatably disposed in the ratchet groove 43, each pawl 441 can correspondingly lock a ratchet in one direction, an electromagnet seat 442 is further fixed in the ratchet groove 43, an electromagnet 443 is fixed on the electromagnet seat 442 in a direction in which each pawl 441 is far away from the ratchet, and the electromagnet 443 is energized to attract the corresponding pawl 441 to rotate so as to be far away from the ratchet;
each pawl 441 is further provided with a torsion spring which provides a force for making the pawl 441 close to the ratchet, and the torsion force provided by the torsion spring is smaller than the magnetic force when the electromagnet 443 is energized.
In specific implementation, the blades 61 of the vertical water wheel assembly 6 are pushed by water flow, so that the vertical water wheel assembly 6 rotates to drive the rotor of the generating coil 7 to rotate through the rotating shaft 67 to generate power, and because the slideway framework 1 is arc-shaped, the outer arc surface of the slideway framework generates balancing force with two sides pointing to the center when being subjected to thrust, the slideway framework always faces to the wave flowing direction;
that is, the ramp frame 1 can rotate clockwise or counterclockwise according to the wave flow direction for automatic yaw, however, during the yaw, because a plurality of cables are arranged between the generating coil 7 on the ramp frame 1 and the turntable yaw base 4, the rotating cables of the ramp frame 1 are also twisted, so the turntable 3 cannot always rotate towards one direction, in order to prevent the cables from being twisted and damaged, in the embodiment, the number of turns of the ramp frame 1 in the same direction is not more than 650 degrees (from 0 degree, 0 degree is the determined position when the ramp frame 1 is installed), and the control method is realized by the angle sensor 9 and the locking assembly 44;
the angle sensor 9 is responsible for recording the angle position of the bull gear 42, namely the slideway framework 1, when the slideway framework 1 reaches +650 degrees or-650 degrees, the angle sensor 9 sends a signal, the control system controls the telescopic rod 5 to adjust the integral left-right deviation of each vertical water wheel assembly 6, so that the thrust of left and right water flows received by the slideway framework 1 is inconsistent to generate torque, and the turntable 3 rotates reversely to untie cables;
the locking assembly 44 is used as a limit position switch, the electromagnets 443 in the locking assembly 44 are kept electrified during the operation of the equipment, when the slide way frame 1 continues to rotate to 700 degrees in one direction, one of the electromagnets 443 in the corresponding direction in the locking assembly 44 is triggered to be powered off, so that the slide way frame 1 can not rotate in the direction, the electricity is turned off again after the water flow direction is changed, so that the slide way frame 1 rotates less than 650, and the normal operation is kept, and in addition, in the whole adjusting process, the distance between each vertical water wheel assembly 6 is adjusted through the telescopic rod 5, so that the torque applied to the rotary disc 3 is changed due to the asymmetric water wheel thrust.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A power generation device utilizing offshore wave energy comprises a slideway framework (1) and vertical water wheel assemblies (6), and is characterized in that the slideway framework (1) is an arc kidney-shaped groove slideway, the lower end surface of the slideway framework (1) is movably provided with a plurality of vertical water wheel assemblies (6) along kidney-shaped grooves thereof, and the vertical water wheel assemblies (6) can be impacted by water flow to rotate and drive power generation coils (7) connected with the vertical water wheel assemblies and positioned on the upper end surface of the slideway framework (1) to generate power;
the up end of slide framework (1) is fixed link has many damping rods (2) still, the one end fixed connection that slide framework (1) was kept away from in damping rod (2) is in carousel (3), carousel (3) rotationally connects under carousel driftage seat (4), the equipment fixed connection of carousel driftage seat (4) and the surface of water.
2. An offshore wave energy utilization power generation plant according to claim 1, characterized in that the vertical water wheel assembly (6) comprises blades (61), an upper connecting ring (62), a rotating shaft (67) is fixedly connected above the upper connecting ring (62), and the rotating shaft (67) is connected into a rotor of the power generation coil (7) to drive power generation;
the rotating shaft (67) is connected with a sliding block (66) through a bearing (64), and the sliding block (66) is movably connected with the slide way framework (1);
the lower connecting ring (63) matched with the upper connecting ring (62) is arranged below the upper connecting ring (62), a plurality of blades (61) distributed circumferentially are detachably bolted between the upper connecting ring (62) and the lower connecting ring (63), and a certain angle is formed between the blades (61) and the diameter of the upper connecting ring (62) passing through the center of the blades.
3. An offshore wave energy utilization power generation device according to claim 2, characterized in that the vertical water wheel assembly (6) further comprises a drainage paddle (65), the drainage paddle (65) is fixedly connected to the lower portion of the upper connecting ring (62) and at the center of the cylinder enclosed by the blades (61), the drainage paddle (65) is a conical propeller with a large upper portion and a small lower portion, and the rotation direction of the surface threads of the drainage paddle is the same as the inclination direction of the blades (61).
4. An offshore wave energy utilization power generation equipment according to claim 3, characterized in that the upper connecting ring (62) of each vertical water wheel assembly (6) is in a step shape with a small top and a big bottom, a shifting ring (69) is rotatably sleeved in the upper part of the upper connecting ring, two connecting rods (8) are symmetrically fixed on the shifting ring (69) along the diameter direction, and the connecting rods (8) on one side of two adjacent vertical water wheel assemblies (6) are hinged together in a V shape.
5. A marine wave energy utilization power generation equipment according to claim 4, characterized in that in the vertical water wheel assemblies (6), the shifting rings (69) in the vertical water wheel assemblies (6) on two sides are further connected with two sides of the slideway framework (1) through telescopic rods (5), the piston rods of the telescopic rods (5) are hinged with the corresponding shifting rings (69), and the cylinder bodies of the telescopic rods (5) are hinged with the side edges of the slideway framework (1).
6. A marine wave energy utilization power generation equipment according to claim 5, characterized in that a slide block (66) is further fixed on a bearing (64) in the vertical water wheel assembly (6), the slide block (66) is rotatably sleeved on the periphery of a rotating shaft (67), the slide block (66) vertically penetrates through the kidney-shaped groove of the slide way framework (1) and is slidably connected with the kidney-shaped groove, and the slide block (66) is a kidney-shaped slide block matched with the kidney-shaped groove of the slide way framework (1);
the upper end of the sliding block (66) is detachably bolted with a sliding plate (10) in a position on the upper surface of the slideway framework (1), and the rotating shaft (67) penetrates through the sliding plate (10) and is connected into a rotor of a generating coil (7) fixed on the sliding plate (10).
7. A marine wave energy utilization power generation plant according to claim 6, characterized in that a side sliding liner (13) is fixedly connected in a gap between the inner side wall of the kidney-shaped groove of the slide way frame (1) and the sliding block (66);
the upper end surfaces of two sides of a kidney-shaped groove of the slideway framework (1) are respectively provided with two lining grooves (14), an upper sliding lining (11) is arranged above the lining groove (14), a pressing plate (17) fixedly connected with the upper sliding lining (11) is arranged in the lining groove (14), and the pressing plate (17) can be arranged in the lining groove (14) in a vertically moving manner;
the utility model discloses a slide frame, including slide frame (1), adjusting bolt (12), just adjusting bolt (12) and clamp plate (17), the position evenly distributed ground bolt that the end face corresponds gasket groove (14) bottom has many adjusting bolt (12), adjusting bolt (12) run through into in gasket groove (14), just be equipped with locating pin (15) between adjusting bolt (12) and clamp plate (17), what locating pin (15) can reciprocate establishes in gasket groove (14), certain degree of depth in locating pin (15) embedding clamp plate (17), just locating pin (15) periphery still overlaps and is equipped with round spring (16) of pressing under clamp plate (17).
8. An offshore wave energy utilization power generation device according to claim 1, characterized in that the rotary table yaw base (4) comprises a housing (41) and a gearwheel (42), the housing (41) is a cylindrical cavity, the upper end of the housing is detachably bolted below a water surface facility, the gearwheel (42) is rotatably arranged in the housing, and the lower part of the gearwheel (42) is fixedly connected with the rotary table (3);
a pinion (45) meshed with the gearwheel (42) is arranged on one side of the gearwheel (45), and an angle sensor (9) is arranged on the pinion (45);
the lower end face of the large gear (42) is provided with a circle of ratchet grooves (43), the ratchets in the ratchet grooves (43) are composed of two halves of symmetrical reverse ratchets, and locking assemblies (44) are further arranged in the ratchet grooves (43).
9. An offshore wave energy utilization power generation device according to claim 8, characterized in that the locking assembly (44) comprises pawls (441), two opposite pawls (441) which are symmetrical to each other are rotatably arranged in a ratchet groove (43), each pawl (441) can correspondingly lock a ratchet in one direction, an electromagnet seat (442) is further fixed in the ratchet groove (43), an electromagnet (443) is fixed on the electromagnet seat (442) in a direction that each pawl (441) is far away from the ratchet, and the electromagnet (443) is electrified to attract the pawl (441) corresponding to the electromagnet to rotate to be far away from the ratchet.
10. An offshore wave energy utilizing power generation device according to claim 9, characterized in that a torsion spring is further arranged in each pawl (441), the torsion spring provides a force to make the pawl (441) close to the ratchet, and the torsion provided by the torsion spring is smaller than the magnetic force when the electromagnet (443) is energized.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110213167.6A CN112963294A (en) | 2021-02-25 | 2021-02-25 | Power generation equipment utilizing offshore wave energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110213167.6A CN112963294A (en) | 2021-02-25 | 2021-02-25 | Power generation equipment utilizing offshore wave energy |
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| CN112963294A true CN112963294A (en) | 2021-06-15 |
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| CN202110213167.6A Withdrawn CN112963294A (en) | 2021-02-25 | 2021-02-25 | Power generation equipment utilizing offshore wave energy |
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| CN114215674A (en) * | 2022-01-18 | 2022-03-22 | 东北师范大学 | Self-adaptive stable-convection horizontal-axis tidal current energy water turbine |
| CN117585871A (en) * | 2024-01-19 | 2024-02-23 | 内蒙古自治区交通运输科学发展研究院 | Highway road surface runoff sewage collecting and processing system |
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