CN210118225U - Multi-degree-of-freedom raft type wave energy power generation device - Google Patents
Multi-degree-of-freedom raft type wave energy power generation device Download PDFInfo
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- CN210118225U CN210118225U CN201920757141.6U CN201920757141U CN210118225U CN 210118225 U CN210118225 U CN 210118225U CN 201920757141 U CN201920757141 U CN 201920757141U CN 210118225 U CN210118225 U CN 210118225U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
The utility model discloses a multi-degree-of-freedom raft type wave energy power generation device, which comprises two working boxes which are arranged oppositely, one side of the two working boxes which is opposite to each other is concave inwards, two sides of the concave part in each working box are respectively provided with a reversing gear set, the input shafts of the reversing gear sets respectively penetrate out of the concave parts of the working boxes where the reversing gear sets are respectively arranged and are respectively fixedly connected with the tail part of one plane steel frame, the head parts of the two plane steel frames are mutually and rotatably hinged, the reversing gear sets also comprise an auxiliary shaft and an output shaft, a ratchet wheel and a gear are respectively arranged on the input shaft, the auxiliary shaft and the output shaft, the two gears on the input shaft and the auxiliary shaft are meshed with each other, the arrangement directions of the two ratchet wheels are the same and are meshed with the gear on the output shaft, and the ratchet wheel on the output shaft is meshed with one gear on a main shaft in a working box where the ratchet wheel and the gear are respectively arranged. The utility model discloses a multi freedom raft formula wave energy power generation facility has adopted mechanical type drive mechanism, compares fluid pressure type drive mechanism and has characteristics such as low cost, reliability height, maintenance are simple.
Description
Technical Field
The utility model belongs to wave energy power generation field, in particular to multi freedom raft formula wave energy power generation facility in this field.
Background
With the gradual depletion of fossil energy and the problem of climate change caused by greenhouse gas emission, the development of renewable energy sources becomes an important direction of world energy development. Ocean wave energy is used as a novel clean pollution-free renewable energy source, has large reserves, high energy density and wide distribution, and becomes the key point of novel research because the energy is easy to convert. At present, the hydraulic transmission mechanism is mostly adopted in the domestic raft type wave energy device, the mechanical research is less, and compared with the hydraulic transmission mechanism, the mechanical raft type wave energy device has the characteristics of low cost, high reliability, simple maintenance and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a multi freedom raft formula wave energy power generation facility of stable output of energy is realized through mechanical type drive mechanism is provided exactly.
The utility model adopts the following technical scheme:
a multi freedom raft formula wave energy power generation facility, its improvement lies in: the device comprises two working boxes which are opposite to each other, one opposite side between the two working boxes is recessed, two sides of the recessed part in each working box are respectively provided with a reversing gear set, an input shaft of each reversing gear set penetrates out of the recessed part of the working box where the reversing gear set is respectively arranged and is fixedly connected with the tail part of a plane steel frame, the head parts of the two plane steel frames are rotatably hinged with each other, the reversing gear sets also comprise an auxiliary shaft and an output shaft, a ratchet wheel and a gear are respectively arranged on the input shaft, the auxiliary shaft and the output shaft, the two gears on the input shaft and the auxiliary shaft are meshed with each other, the arrangement directions of the two ratchet wheels are the same and are meshed with the gear on the output shaft, the ratchet wheel on the output shaft is respectively meshed with one gear on a main shaft in the working box where the ratchet wheel is respectively arranged, in addition, a spring box outer gear is sleeved on a spring box shell, the head of the spring in the spring box is connected with the main shaft, the tail of the spring is connected with the inner wall of the spring box shell, the external gear of the spring box is meshed with the ratchet wheel on the flywheel shaft in the working box, in addition, the flywheel shaft is provided with the flywheel and the gear, and the gear is meshed with the gear on the power input shaft of the generator in the working box.
Furthermore, one side of each of the two work boxes back to back is provided with a convex cambered surface.
Furthermore, dynamic sealing treatment is adopted between the working box and the input shaft of the reversing gear set penetrating out of the working box.
Furthermore, the head parts of the two plane steel frames are V-shaped, and the two plane steel frames are rotatably hinged with each other at the V-shaped peak; the tail part of the plane steel frame is provided with two parallel steel shafts, and the tail end of each steel shaft is fixedly connected with a reversing gear set input shaft which penetrates out of the concave part of the working box.
Furthermore, the input shaft, the auxiliary shaft, the output shaft, the main shaft and the flywheel shaft are fixedly arranged on a cushion block at the bottom of the working box through bearings.
Furthermore, the ratchet wheels on the input shaft, the auxiliary shaft, the output shaft and the flywheel shaft are all gears sleeved on the one-way bearing.
Furthermore, the generator is a direct current generator, and the power output end of the direct current generator is electrically connected with the storage battery through a boost chopper circuit.
The improvement of a power generation method using the power generation device is as follows: after the power generation device is installed in place and started, due to the action of water surface waves, two working boxes floating on the water surface generate longitudinal and vertical motion with each other, so that two plane steel frames respectively rotate relative to the corresponding working boxes, the input shaft of each reversing gear set is driven to rotate, the auxiliary shaft is driven to rotate by the input shaft, the main shaft is driven to rotate by the ratchet wheels on the output shaft due to the fact that the rotation directions of the input shaft and the auxiliary shaft are opposite but the arrangement directions of the ratchet wheels on the input shaft and the auxiliary shaft are the same, the two ratchet wheels can stop alternately, so that the output shaft can rotate in a single direction, due to the action of the ratchet wheels on the output shaft, when the rotation speed of the output shaft is higher than that of a main shaft in the working box, the ratchet wheels on the output shaft stop to drive the main shaft to rotate, when the rotation speed of the output shaft is lower than that, the spring can drive the spring box and the external gear to rotate after storing enough elastic potential energy, due to the action of the ratchet wheel on the flywheel shaft in the working box where the spring box is located, when the rotating speed of the external gear of the spring box is higher than that of the flywheel shaft, the ratchet wheel on the flywheel shaft stops to drive the flywheel shaft to rotate, the flywheel starts to store kinetic energy, when the rotating speed of the external gear of the spring box is lower than that of the flywheel shaft, the ratchet wheel on the flywheel shaft idles without driving the flywheel shaft to rotate, the flywheel starts to release kinetic energy, the flywheel shaft drives the direct current generator to generate electricity through gear transmission, and the electricity generated by the direct current generator is input into the storage battery to be stored after being boosted.
Furthermore, the main shaft and the flywheel shaft rotate in one direction.
Furthermore, the barrel casing and the main shaft on which it is mounted do not rotate synchronously.
The utility model has the advantages that:
the utility model discloses a multi freedom raft formula wave energy power generation facility has adopted mechanical type drive mechanism, compares fluid pressure type drive mechanism and has characteristics such as low cost, reliability height, maintenance are simple. The energy generated by the pitching and heaving motions between the two working boxes is comprehensively utilized, the stable output of mechanical energy is captured through the combination of the clockwork spring with the energy storage characteristic and the flywheel, the unstable and discontinuous wave energy is converted into relatively stable and continuous rotational kinetic energy, the rotational speed fluctuation is reduced, the direct current generator is always maintained above the rotational speed threshold of normal work, and the power generation efficiency is effectively improved. Through the combination of the boost chopper circuit and the storage battery, electric energy is further stabilized and stored, and the electric energy generated by the power generation device is conveniently utilized.
The utility model discloses a power generation method, which utilizes the characteristics that the rotation directions of the input shaft and the auxiliary shaft of the reversing gear set are opposite, but the arrangement directions of the ratchet wheels on the input shaft are the same, and converts the bidirectional rotation of the input shaft into the unidirectional rotation of the output shaft; when the rotating speed of the output shaft is higher than that of the main shaft in the working box, the ratchet wheel on the output shaft is stopped so as to drive the main shaft to rotate, and when the rotating speed of the output shaft is lower than that of the main shaft in the working box, the ratchet wheel on the output shaft idles without driving the main shaft to rotate, so that the unidirectional transmission of energy from the output shaft to the main shaft is ensured; when the rotating speed of the external gear of the spring box is higher than that of the flywheel shaft, the ratchet wheel on the flywheel shaft is stopped so as to drive the flywheel shaft to rotate, and when the rotating speed of the external gear of the spring box is lower than that of the flywheel shaft, the ratchet wheel on the flywheel shaft idles and does not drive the flywheel shaft to rotate, so that the unidirectional transmission of energy from the main shaft to the flywheel shaft is ensured.
Drawings
Fig. 1 is a schematic structural view of a power generation device disclosed in embodiment 1 of the present invention;
fig. 2 is a schematic view of an internal structure of a work box in an electrical development device disclosed in embodiment 1 of the present invention;
fig. 3 is a schematic view of the transmission relationship between the planar steel frame and the shafts in the working box corresponding to the planar steel frame in the power generation device disclosed in embodiment 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Embodiment 1, as shown in fig. 1 to 3, this embodiment discloses a multi-degree-of-freedom raft-type wave energy power generation device, which includes two work boxes 102 that are opposite to each other, one opposite side between the two work boxes is concave, two reversing gear sets are respectively installed on two sides of the concave part in each work box, an input shaft 201 of each reversing gear set respectively penetrates out of the concave part of the work box where the reversing gear set is located and is respectively fixedly connected with the tail part of a planar steel frame 101, the head parts of the two planar steel frames are rotatably hinged 103 to each other, the reversing gear sets further include an auxiliary shaft 202 and an output shaft 203, a ratchet wheel and a gear are respectively installed on the input shaft, the auxiliary shaft and the output shaft, the two gears on the input shaft and the auxiliary shaft are meshed with each other, the arrangement directions of the ratchet wheel 204 of the input shaft and the ratchet wheel 205 of the auxiliary shaft are the same and, the ratchet wheels 206 on the output shafts are respectively meshed with a gear on the main shaft 301 in the working box where the two gears are respectively meshed with the ratchet wheels on the output shafts of the two reversing gear sets in the working box where the two gears are located, a spring box 302 is further arranged on the main shaft, a spring box external gear 303 is sleeved on a spring box outer shell, the head of a spring in the spring box is connected with the main shaft, the tail of the spring is connected with the inner wall of the spring box outer shell, the spring box external gear is meshed with the ratchet wheel 306 on a flywheel shaft 304 in the working box where the spring box is located, a flywheel 305 and a gear 307 are further arranged on the flywheel shaft, and the gear is meshed with the gear on a power input shaft of a generator 401 in the working box where the gear is located.
In this embodiment, the convex cambered surfaces are arranged on the opposite sides of the two work boxes. And dynamic sealing treatment is adopted between the working box and the input shaft of the reversing gear set penetrating out of the working box. The head parts of the two plane steel frames are V-shaped, and the two plane steel frames are mutually rotationally hinged at the V-shaped peak; the tail part of the plane steel frame is provided with two parallel steel shafts 104, and the tail end of each steel shaft is fixedly connected with a reversing gear set input shaft which penetrates out of the concave part of the working box. The input shaft, the auxiliary shaft, the output shaft, the main shaft and the flywheel shaft are fixedly arranged on a cushion block at the bottom of the working box through bearings. The ratchet wheels on the input shaft, the auxiliary shaft, the output shaft and the flywheel shaft are all gears sleeved on the one-way bearing. The generator is a direct-current generator, and the power output end of the direct-current generator is electrically connected with the storage battery through a boost chopper circuit.
The embodiment also discloses a power generation method, after the power generation device is installed in place and started, due to the action of water surface waves, two working boxes floating on the water surface generate longitudinal and vertical motion, so that two plane steel frames respectively rotate relative to the corresponding working boxes, the input shaft of each reversing gear set is driven to rotate, then the auxiliary shaft is driven to rotate by the input shaft, due to the fact that the rotation directions of the input shaft and the auxiliary shaft are opposite but the arrangement directions of the ratchet wheels on the input shaft and the auxiliary shaft are the same, the two ratchet wheels can be alternatively stopped to drive the output shaft to rotate in a single direction, due to the action of the ratchet wheels on the output shaft, when the rotation speed of the output shaft is higher than that of the main shaft in the working box, the ratchet wheels on the output shaft are stopped to drive the main shaft to rotate, when the rotation speed of the output shaft is lower than that of the main shaft in the working, the mainshaft is not driven to rotate, the mainshaft can drive the clockwork spring to rotate and charge energy, the clockwork spring can drive the barrel and the external gear thereof to rotate after storing enough elastic potential energy, due to the action of the ratchet wheel on the flywheel shaft in the working box where the barrel is positioned, when the rotating speed of the external gear of the barrel is higher than that of the flywheel shaft, the ratchet wheel on the flywheel shaft stops to drive the flywheel shaft to rotate, the flywheel starts to store kinetic energy, when the rotating speed of the external gear of the barrel is lower than that of the flywheel shaft, the ratchet wheel on the flywheel shaft idles and does not drive the flywheel shaft to rotate, the flywheel starts to release kinetic energy, the flywheel shaft drives the direct current generator to generate electricity through gear transmission, and the electricity generated by the direct current.
In this embodiment, the main shaft and the flywheel shaft both rotate in one direction. The barrel shell and the main shaft on which it is located do not rotate synchronously.
Claims (7)
1. A multi freedom raft formula wave energy power generation facility which characterized in that: the device comprises two working boxes which are opposite to each other, one opposite side between the two working boxes is recessed, two sides of the recessed part in each working box are respectively provided with a reversing gear set, an input shaft of each reversing gear set penetrates out of the recessed part of the working box where the reversing gear set is respectively arranged and is fixedly connected with the tail part of a plane steel frame, the head parts of the two plane steel frames are rotatably hinged with each other, the reversing gear sets also comprise an auxiliary shaft and an output shaft, a ratchet wheel and a gear are respectively arranged on the input shaft, the auxiliary shaft and the output shaft, the two gears on the input shaft and the auxiliary shaft are meshed with each other, the arrangement directions of the two ratchet wheels are the same and are meshed with the gear on the output shaft, the ratchet wheel on the output shaft is respectively meshed with one gear on a main shaft in the working box where the ratchet wheel is respectively arranged, in addition, a spring box outer gear is sleeved on a spring box shell, the head of the spring in the spring box is connected with the main shaft, the tail of the spring is connected with the inner wall of the spring box shell, the external gear of the spring box is meshed with the ratchet wheel on the flywheel shaft in the working box, in addition, the flywheel shaft is provided with the flywheel and the gear, and the gear is meshed with the gear on the power input shaft of the generator in the working box.
2. The multiple degree of freedom raft-type wave energy power generation device of claim 1, wherein: one side of each of the two work boxes back to back is provided with a convex cambered surface.
3. The multiple degree of freedom raft-type wave energy power generation device of claim 1, wherein: and dynamic sealing treatment is adopted between the working box and the input shaft of the reversing gear set penetrating out of the working box.
4. The multiple degree of freedom raft-type wave energy power generation device of claim 1, wherein: the head parts of the two plane steel frames are V-shaped, and the two plane steel frames are mutually rotationally hinged at the V-shaped peak; the tail part of the plane steel frame is provided with two parallel steel shafts, and the tail end of each steel shaft is fixedly connected with a reversing gear set input shaft which penetrates out of the concave part of the working box.
5. The multiple degree of freedom raft-type wave energy power generation device of claim 1, wherein: the input shaft, the auxiliary shaft, the output shaft, the main shaft and the flywheel shaft are fixedly arranged on a cushion block at the bottom of the working box through bearings.
6. The multiple degree of freedom raft-type wave energy power generation device of claim 1, wherein: the ratchet wheels on the input shaft, the auxiliary shaft, the output shaft and the flywheel shaft are all gears sleeved on the one-way bearing.
7. The multiple degree of freedom raft-type wave energy power generation device of claim 1, wherein: the generator is a direct-current generator, and the power output end of the direct-current generator is electrically connected with the storage battery through a boost chopper circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757141.6U CN210118225U (en) | 2019-05-24 | 2019-05-24 | Multi-degree-of-freedom raft type wave energy power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920757141.6U CN210118225U (en) | 2019-05-24 | 2019-05-24 | Multi-degree-of-freedom raft type wave energy power generation device |
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| CN210118225U true CN210118225U (en) | 2020-02-28 |
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| CN201920757141.6U Active CN210118225U (en) | 2019-05-24 | 2019-05-24 | Multi-degree-of-freedom raft type wave energy power generation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11661916B1 (en) | 2022-01-10 | 2023-05-30 | LDI Consulting Inc. | Wave energy harnessing devices |
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- 2019-05-24 CN CN201920757141.6U patent/CN210118225U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11661916B1 (en) | 2022-01-10 | 2023-05-30 | LDI Consulting Inc. | Wave energy harnessing devices |
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