CN109973290B - Three-degree-of-freedom wave power generation device - Google Patents
Three-degree-of-freedom wave power generation device Download PDFInfo
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- CN109973290B CN109973290B CN201910222315.3A CN201910222315A CN109973290B CN 109973290 B CN109973290 B CN 109973290B CN 201910222315 A CN201910222315 A CN 201910222315A CN 109973290 B CN109973290 B CN 109973290B
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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
- F03B13/1885—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 and the wom is tied to the rem
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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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides a three-degree-of-freedom wave energy power generation device which comprises an up-and-down movement device, a front-and-back movement device, a left-and-right movement device, a floating piece (18), an energy conversion device (7), a power generation device, a base (13) and a support (1), wherein the support (1) and the power generation device are arranged on the base (13), the up-and-down movement device, the front-and-back movement device and the left-and-right movement device are connected with the energy conversion device (7) and are arranged on the support (1), the energy conversion device (7) is connected with the power generation device through a pipeline (8), and the floating piece (18) is respectively connected with the up-and-down movement device. The wave energy power generation device is simple and reasonable in structure, utilizes wave energy with different dimensionalities through modular arrangement, can fully utilize the wave energy to generate power, is high in power generation efficiency, and can realize large-scale power generation.
Description
Technical Field
The invention relates to the field of new energy, in particular to a three-degree-of-freedom wave energy power generation device.
Background
Wave energy is an energy source with high quality in ocean energy, and research, development and utilization of the wave energy have very important strategic significance for realizing sustainable development and meeting the requirement of human on the energy source. The current wave energy power generation device is basically in a research stage, and the wave energy power generation device in practical application is few.
Patent document CN 108915940a discloses a wave energy power generation device, which comprises a driving swing rod, a ratchet wheel, a driving pawl, a generator and a wedge-shaped buoyancy tank. The device is characterized in that the wedge-shaped buoyancy tank floats up and down along with sea waves so as to convert the sea wave energy into mechanical energy, and then the mechanical energy is transmitted to a generator through a ratchet structure so as to generate electric power. However, the scheme can only realize one-dimensional absorption and conversion of the wave energy, namely the wedge-shaped buoyancy tank can generate electricity when moving up and down, and the movement of the waves is multi-dimensional, so that the energy conversion and electricity generation can not be realized when the wedge-shaped buoyancy tank moves back and forth and moves left and right.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a three-degree-of-freedom wave energy power generation device.
The invention provides a three-degree-of-freedom wave energy power generation device which comprises an up-and-down movement device, a front-and-back movement device, a left-and-right movement device, a floating piece, an energy conversion device, a power generation device, a base and a support.
Preferably, the up-and-down movement device comprises a first fixing piece, a third connecting piece, a first connecting rod, a first rocker and a rotating shaft, wherein the third connecting piece is arranged on the first fixing piece, the third connecting piece is sequentially connected with the first connecting rod and the first rocker, the first rocker is connected with the rotating shaft, the first fixing piece is connected with the floating piece and is static relative to the floating piece, and the rotating shaft is connected with the energy conversion device;
when the floating piece moves up and down together with waves, the first fixing piece moves up and down together with the floating piece to drive the third connecting piece to move up and down, the first connecting rod connected with the third connecting piece reciprocates and drives the first rocker to reciprocate, the first rocker drives the rotating shaft to rotate in a reciprocating mode, and the rotating shaft drives the energy conversion device to move.
Preferably, the back-and-forth movement device comprises a first fixing piece, a first connecting piece, a sixth connecting rod, a fifth connecting rod, a second connecting rod and a second rocker, the first connecting piece is arranged on the first fixing piece, the first connecting piece is sequentially connected with the sixth connecting rod, the fifth connecting rod, the second connecting rod and the second rocker, the second rocker is connected with the energy conversion device, and the first fixing piece is connected with the floating piece and is static relative to the floating piece;
when the floating piece swings back and forth together with waves, the first fixing piece swings back and forth together with the floating piece to drive the first connecting piece to swing back and forth, the sixth connecting rod, the fifth connecting rod and the second connecting rod which are connected with the first connecting piece reciprocate, the second connecting rod drives the second rocker to rotate back and forth, and the second rocker drives the energy conversion device to move.
Preferably, the left-right movement device comprises a first fixing piece, a second connecting piece, a tenth connecting rod, a ninth connecting rod, an eighth connecting rod, a second bevel gear, a first bevel gear, a seventh connecting rod, a fourth connecting rod, a third connecting rod and a third rocker, wherein the first fixing piece is provided with the second connecting piece, the second connecting piece is sequentially connected with the tenth connecting rod, the ninth connecting rod and the eighth connecting rod, the eighth connecting rod is connected with the second bevel gear, the second bevel gear is connected with the first bevel gear, the first bevel gear is sequentially connected with the seventh connecting rod, the fourth connecting rod, the third connecting rod and the third rocker, the third rocker is connected with the energy conversion device, and the first fixing piece is connected with the floating piece and is static relative to the floating piece;
when the floating piece swings left and right together with waves, the first fixing piece swings left and right together with the floating piece to drive the second connecting piece to swing left and right, the tenth connecting rod, the ninth connecting rod and the eighth connecting rod which are connected with the second connecting piece reciprocate, the eighth connecting rod drives the second bevel gear to rotate in a reciprocating mode, the second bevel gear drives the first bevel gear to rotate in a reciprocating mode, the first bevel gear drives the seventh connecting rod, the fourth connecting rod and the third connecting rod to reciprocate, the third connecting rod drives the third rocker to rotate in a reciprocating mode, and the third rocker drives the energy conversion device to move.
Preferably, the energy conversion device comprises a supporting disc, a first gear, a plunger rod, a crank, a second gear, a hydraulic cylinder body and a hydraulic oil pipe, wherein the hydraulic cylinder body is uniformly distributed on the circumference of the supporting disc, the plunger rod of the hydraulic cylinder is connected with one end of the crank, the other end of the crank is connected with the second gear, the second gear is connected with the first gear, an oil inlet and an oil outlet of the hydraulic cylinder body on the supporting disc are gathered to an oil inlet and an oil outlet through the hydraulic oil pipe and are connected to the power generation device through a pipeline;
the first gear is connected with any one or more of the following devices: a lower motion device, a front and back motion device and a left and right motion device.
Preferably, the energy conversion device comprises two supporting discs, a first gear and a second gear are installed between the two supporting discs, the second gear is uniformly distributed on the circumferential direction of the first gear, the second gear is coaxially connected with two cranks, and the two cranks are respectively connected with plunger rods of two hydraulic cylinders on the two supporting discs.
Preferably, the power generation device comprises an energy accumulator, a generator, a hydraulic motor and an oil tank, the energy accumulator is connected with an oil inlet of the hydraulic motor, an oil outlet of the hydraulic motor is connected with the oil tank, the hydraulic motor is coaxially connected with the generator, the energy accumulator is connected with an oil outlet of a pipeline, and the oil tank is connected with an oil inlet of the pipeline.
Preferably, the float seals against the surface of the waves in contact.
Preferably, the up-and-down movement device, the front-and-back movement device and the left-and-right movement device are respectively and correspondingly connected with one or more energy conversion devices, oil inlets and oil outlets of the energy conversion devices are gathered into an oil inlet and an oil outlet through pipelines, the oil inlet of the pipeline is connected with an oil tank, and the oil outlet of the pipeline is connected with an energy accumulator.
Preferably, the support is fixed to the base.
Compared with the prior art, the invention has the following beneficial effects:
1. the wave energy power generation device is simple and reasonable in structure, utilizes wave energy with different dimensionalities through modular arrangement, can fully utilize the wave energy to generate power, is high in power generation efficiency, and can realize large-scale power generation.
2. The energy conversion device adopts the gear set to convert one rotation into a plurality of rotations, and then converts the rotations into the reciprocating motion of the hydraulic cylinder through the crank, thereby improving the utilization efficiency of energy.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a perspective view of the present invention.
Figure 2 is a schematic view of the float of the present invention.
Fig. 3 is an exploded view of the float of the present invention.
Fig. 4 is a perspective view of the energy conversion device of the present invention.
The figures show that:
1-a support, 2-a rotating shaft, 3-a first rocker, 4-a first connecting rod, 5-a second rocker, 6-a second connecting rod, 7-an energy conversion device, 8-a pipeline, 9-an accumulator, 10-a generator, 11-a hydraulic motor, 12-an oil tank, 13-a base, 14-a third rocker, 15-a third connecting rod, 16-a fourth connecting rod, 17-a fifth connecting rod, 18-a floating part, 19-a sixth connecting rod, 20-a first connecting part, 21-a first fixing part, 22-a second connecting part, 23-a third connecting part, 24-a first bevel gear, 25-a seventh connecting rod, 26-a second bevel gear, 27-an eighth connecting rod, 28-a ninth connecting rod, 29-a tenth connecting rod, 30-supporting disc, 31-first gear, 32-plunger rod, 33-crank, 34-second gear, 35-hydraulic cylinder body and 36-hydraulic oil pipe.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
According to the three-degree-of-freedom wave energy power generation device provided by the invention, as shown in fig. 1, the three-degree-of-freedom wave energy power generation device comprises an up-and-down movement device, a front-and-back movement device, a left-and-right movement device, a floating piece 18, an energy conversion device 7, a power generation device, a base 13 and a support 1, wherein the support 1 and the power generation device are both arranged on the base 13, the up-and-down movement device, the front-and-back movement device and the left-and-right movement device are connected with the energy conversion device 7 and are arranged on the support 1, the energy conversion device 7 is connected with the power generation device through a pipeline 8. The three-degree-of-freedom wave energy comprises energy generated by up-and-down motion, front-and-back motion and left-and-right motion of waves.
As shown in fig. 2-3, the up-and-down movement device includes a first fixing member 21, a third connecting member 23, a first connecting rod 4, a first rocker 3, and a rotation shaft 2, the third connecting member 23 is disposed on the first fixing member 21, the third connecting member 23 is sequentially connected to the first connecting rod 4 and the first rocker 3, the first rocker 3 is connected to the rotation shaft 2, the first fixing member 21 is connected to the floating member 18 and is stationary relative to the floating member 18, and the rotation shaft 2 is connected to the energy conversion device 7; the connecting rods, the rocking bars and the connecting rods and the rocking bars can rotate relatively, so that reciprocating motion is realized; preferably, the floating member 18 and the first fixing member 21 are located on the same axis and should maintain the same movement.
When the floating piece 18 moves up and down together with waves, the first fixing piece 21 moves up and down together with the floating piece 18 to drive the third connecting piece 23 to move up and down, the first connecting rod 4 connected with the third connecting piece 23 reciprocates and drives the first rocker 3 to reciprocate, the first rocker 3 drives the rotating shaft 2 to rotate in a reciprocating manner, and the rotating shaft 2 drives the energy conversion device 7 to move.
As shown in fig. 2-3, the forward and backward movement device includes a first fixing member 21, a first connecting member 20, a sixth connecting rod 19, a fifth connecting rod 17, a second connecting rod 6, and a second rocker 5, the first fixing member 21 is provided with the first connecting member 20, the first connecting member 20 is sequentially connected with the sixth connecting rod 19, the fifth connecting rod 17, the second connecting rod 6, and the second rocker 5, the second rocker 5 is connected with the energy conversion device 7, and the first fixing member 21 is connected with the floating member 18 and is stationary relative to the floating member 18; the connecting rods, the rocking bars and the connecting rods and the rocking bars can rotate relatively, so that reciprocating motion is realized; preferably, the floating member 18 and the first fixing member 21 are located on the same axis and should maintain the same movement.
When the floating piece 18 swings back and forth together with waves, the first fixing piece 21 swings back and forth together with the floating piece 18 to drive the first connecting piece 20 to swing back and forth, the sixth connecting rod 19, the fifth connecting rod 17 and the second connecting rod 6 connected with the first connecting piece 20 reciprocate, the second connecting rod 6 drives the second rocker 5 to rotate back and forth, and the second rocker 5 drives the energy conversion device 7 to move.
As shown in fig. 2-3, the left-right movement device includes a first fixing member 21, a second connecting member 22, a tenth connecting rod 29, a ninth connecting rod 28, an eighth connecting rod 27, a second bevel gear 26, a first bevel gear 24, a seventh connecting rod 25, a fourth connecting rod 16, a third connecting rod 15, and a third rocker 14, the second connecting member 22 is disposed on the first fixing member 21, the second connecting member 22 is sequentially connected with the tenth connecting rod 29, the ninth connecting rod 28, and the eighth connecting rod 27, the eighth connecting rod 27 is connected with the second bevel gear 26, the second bevel gear 26 is connected with the first bevel gear 24, the first bevel gear 24 is sequentially connected with the seventh connecting rod 25, the fourth connecting rod 16, the third connecting rod 15, and the third rocker 14, the third rocker 14 is connected with the energy conversion device 7, and the first fixing member 21 is connected with the floating member 18 and is stationary relative to the floating member 18; the connecting rods, the rocking bars and the connecting rods and the rocking bars can rotate relatively, so that reciprocating motion is realized; preferably, the floating member 18 and the first fixing member 21 are located on the same axis and should maintain the same movement.
When the floating member 18 swings left and right together with waves, the first fixing member 21 swings left and right together with the floating member 18 to drive the second connecting member 22 to swing left and right, the tenth connecting rod 29, the ninth connecting rod 28 and the eighth connecting rod 27 connected with the second connecting member 22 reciprocate, the eighth connecting rod 27 drives the second bevel gear 26 to rotate in a reciprocating manner, the second bevel gear 26 drives the first bevel gear 24 to rotate in a reciprocating manner, the first bevel gear 24 drives the seventh connecting rod 25, the fourth connecting rod 16 and the third connecting rod 15 to reciprocate, the third connecting rod 15 drives the third rocker 14 to rotate in a reciprocating manner, and the third rocker 14 drives the energy conversion device 7 to move.
As shown in fig. 4, the energy conversion device 7 includes a supporting plate 30, a first gear 31, a plunger rod 32, a crank 33, a second gear 34, a hydraulic cylinder body 35, and a hydraulic oil pipe 36, the hydraulic cylinder bodies 35 are uniformly distributed on the circumferential direction of the supporting plate 30, the plunger rod 32 of the hydraulic cylinder is connected to one end of the crank 33, the other end of the crank 33 is connected to the second gear 34, the second gear 34 is connected to the first gear 31, an oil inlet and an oil outlet of the hydraulic cylinder body 35 on the supporting plate 30 are gathered to an oil inlet and an oil outlet through the hydraulic oil pipe 36, and are connected to the power generation device through a pipeline 8; the first gear 31 is connected with any one or more of the following devices: a lower motion device, a front and back motion device and a left and right motion device. The energy conversion device 7 comprises two supporting discs 30, a first gear 31 and a second gear 34 are installed between the two supporting discs 30, the second gear 34 is evenly distributed on the circumference of the first gear 31, the second gear 34 is coaxially connected with two cranks 33, and the two cranks 33 are respectively connected with plunger rods 32 of two hydraulic cylinders on the two supporting discs 30.
As shown in fig. 1, the power generation device includes an energy accumulator 9, a power generator 10, a hydraulic motor 11, and an oil tank 12, wherein the energy accumulator 9 is connected to an oil inlet of the hydraulic motor 11, an oil outlet of the hydraulic motor 11 is connected to the oil tank 12, the hydraulic motor 11 is coaxially connected to the power generator 10, the energy accumulator 9 is connected to an oil outlet of a pipeline 8, and the oil tank 12 is connected to an oil inlet of the pipeline 8. The float 18 seals against the surface of the waves in contact. The up-and-down movement device, the front-and-back movement device and the left-and-right movement device are respectively and correspondingly connected with one or more energy conversion devices 7, oil inlets and oil outlets of the energy conversion devices 7 are gathered into an oil inlet and an oil outlet through a pipeline 8, the oil inlet of the pipeline 8 is connected with an oil tank 12, and the oil outlet of the pipeline 8 is connected with an energy accumulator 9. The bracket 1 and the base 13 are kept fixed, so that the stability of energy conversion, a power generation device and a power generation process is ensured.
The power generation process and principle of the invention are as follows:
when the floating member 18 moves up and down together with the waves, the first fixing member 21 moves up and down together with the floating member 18 to drive the third connecting member 23 to move up and down, the first connecting rod 4 connected with the third connecting member 23 reciprocates and drives the first rocker 3 to reciprocate, the first rocker 3 drives the rotating shaft 2 to rotate in a reciprocating manner, and the rotating shaft 2 drives the first gear 31 of the energy conversion device 7 to rotate in a reciprocating manner. When the floating member 18 swings back and forth together with waves, the first fixing member 21 swings back and forth together with the floating member 18 to drive the first connecting member 20 to swing back and forth, the sixth connecting rod 19, the fifth connecting rod 17 and the second connecting rod 6 connected with the first connecting member 20 reciprocate, the second connecting rod 6 drives the second rocker 5 to rotate back and forth, and the second rocker 5 drives the first gear 31 of the energy conversion device 7 to rotate back and forth. When the floating member 18 swings left and right together with waves, the first fixing member 21 swings left and right together with the floating member 18 to drive the second connecting member 22 to swing left and right, the tenth connecting rod 29, the ninth connecting rod 28 and the eighth connecting rod 27 connected with the second connecting member 22 reciprocate, the eighth connecting rod 27 drives the second bevel gear 26 to rotate in a reciprocating manner, the second bevel gear 26 drives the first bevel gear 24 to rotate in a reciprocating manner, the first bevel gear 24 drives the seventh connecting rod 25, the fourth connecting rod 16 and the third connecting rod 15 to reciprocate, the third connecting rod 15 drives the third rocker 14 to rotate in a reciprocating manner, and the third rocker 14 drives the first gear 31 of the energy conversion device 7 to rotate in a reciprocating manner. The first gear 31 drives the second gear 34 to rotate in a reciprocating mode, the second gear 34 drives the crank 33 to rotate in a reciprocating mode, the crank 33 drives the plunger rod 32 of the hydraulic cylinder to move in a reciprocating mode relative to the cylinder body 35 of the hydraulic cylinder, the hydraulic cylinder sucks low-pressure oil from the oil tank 12 through the pipeline 8 and discharges high-pressure oil to the energy accumulator 9, the high-pressure oil in the energy accumulator 9 pushes the hydraulic motor 11 to rotate, the generator 10 is driven to rotate to generate electricity, the high-pressure oil is changed into the low-pressure oil in the hydraulic motor 11 and then enters the oil tank 12, an oil circuit circulation is formed, and wave energy is converted into usable electric energy continuously.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. A three-degree-of-freedom wave energy power generation device is characterized by comprising an up-and-down movement device, a front-and-back movement device, a left-and-right movement device, a floating piece (18), an energy conversion device (7), a power generation device, a base (13) and a support (1), wherein the support (1) and the power generation device are arranged on the base (13), the up-and-down movement device, the front-and-back movement device and the left-and-right movement device are connected with the energy conversion device (7) and are arranged on the support (1), the energy conversion device (7) is connected with the power generation device through a pipeline (8), and the floating piece (18) is respectively connected with the up-and-down movement device, the;
the up-and-down movement device comprises a first fixing piece (21), a third connecting piece (23), a first connecting rod (4), a first rocker (3) and a rotating shaft (2), wherein the third connecting piece (23) is arranged on the first fixing piece (21), the third connecting piece (23) is sequentially connected with the first connecting rod (4) and the first rocker (3), the first rocker (3) is connected with the rotating shaft (2), the first fixing piece (21) is connected with the floating piece (18) and is static relative to the floating piece (18), and the rotating shaft (2) is connected with an energy conversion device (7);
when the floating piece (18) moves up and down together with waves, the first fixing piece (21) moves up and down together with the floating piece (18) to drive the third connecting piece (23) to move up and down, the first connecting rod (4) connected with the third connecting piece (23) reciprocates and drives the first rocker (3) to reciprocate, the first rocker (3) drives the rotating shaft (2) to rotate in a reciprocating manner, and the rotating shaft (2) drives the energy conversion device (7) to move;
the left and right movement device comprises a first fixing piece (21), a second connecting piece (22), a tenth connecting rod (29), a ninth connecting rod (28), an eighth connecting rod (27), a second bevel gear (26), a first bevel gear (24), a seventh connecting rod (25), a fourth connecting rod (16), a third connecting rod (15) and a third rocker (14), wherein the first fixing piece (21) is provided with the second connecting piece (22), the second connecting piece (22) is sequentially connected with the tenth connecting rod (29), the ninth connecting rod (28) and the eighth connecting rod (27), the eighth connecting rod (27) is connected with the second bevel gear (26), the second bevel gear (26) is connected with the first bevel gear (24), the first bevel gear (24) is sequentially connected with the seventh connecting rod (25), the fourth connecting rod (16), the third connecting rod (15) and the third rocker (14), and the third rocker (14) is connected with the energy conversion device (7), the first fixing piece (21) is connected with the floating piece (18) and is static relative to the floating piece (18);
when the floating piece (18) swings left and right together with waves, the first fixing piece (21) swings left and right together with the floating piece (18) to drive the second connecting piece (22) to swing left and right, the tenth connecting rod (29), the ninth connecting rod (28) and the eighth connecting rod (27) which are connected with the second connecting piece (22) reciprocate, the eighth connecting rod (27) drives the second bevel gear (26) to rotate in a reciprocating mode, the second bevel gear (26) drives the first bevel gear (24) to rotate in a reciprocating mode, the first bevel gear (24) drives the seventh connecting rod (25), the fourth connecting rod (16) and the third connecting rod (15) to move in a reciprocating mode, the third connecting rod (15) drives the third rocker (14) to rotate in a reciprocating mode, and the third rocker (14) drives the energy conversion device (7) to move.
2. The three-degree-of-freedom wave energy power generation device according to claim 1, wherein the forward and backward movement device comprises a first fixing piece (21), a first connecting piece (20), a sixth connecting rod (19), a fifth connecting rod (17), a second connecting rod (6) and a second rocker (5), the first connecting piece (20) is arranged on the first fixing piece (21), the first connecting piece (20) is sequentially connected with the sixth connecting rod (19), the fifth connecting rod (17), the second connecting rod (6) and the second rocker (5), the second rocker (5) is connected with the energy conversion device (7), and the first fixing piece (21) is connected with the floating piece (18) and is static relative to the floating piece (18);
when the floating piece (18) swings back and forth together with waves, the first fixing piece (21) swings back and forth together with the floating piece (18) to drive the first connecting piece (20) to swing back and forth, the sixth connecting rod (19), the fifth connecting rod (17) and the second connecting rod (6) which are connected with the first connecting piece (20) reciprocate, the second connecting rod (6) drives the second rocker (5) to rotate back and forth, and the second rocker (5) drives the energy conversion device (7) to move.
3. The three-degree-of-freedom wave energy power generation device according to claim 1, wherein the energy conversion device (7) comprises a supporting disc (30), a first gear (31), a plunger rod (32), a crank (33), a second gear (34), a hydraulic cylinder body (35) and a hydraulic oil pipe (36), the hydraulic cylinder body (35) is uniformly distributed on the circumference of the supporting disc (30), the plunger rod (32) of the hydraulic cylinder is connected with one end of the crank (33), the other end of the crank (33) is connected with the second gear (34), the second gear (34) is connected with the first gear (31), an oil inlet and an oil outlet of the hydraulic cylinder body (35) on the supporting disc (30) are gathered to an oil inlet and an oil outlet through the hydraulic oil pipe (36), and are connected to the power generation device through a pipeline (8);
the first gear (31) is connected with any one or more of the following devices: a lower motion device, a front and back motion device and a left and right motion device.
4. The three-degree-of-freedom wave energy power generation device according to claim 3, characterized in that the energy conversion device (7) comprises two supporting disks (30), a first gear (31) and a second gear (34) are installed between the two supporting disks (30), the second gear (34) is uniformly distributed on the circumference of the first gear (31), the second gear (34) is coaxially connected with two cranks (33), and the two cranks (33) are respectively connected with the plunger rods (32) of the two hydraulic cylinders on the two supporting disks (30).
5. The three-degree-of-freedom wave energy power generation device according to claim 1, characterized in that the power generation device comprises an energy accumulator (9), a power generator (10), a hydraulic motor (11) and an oil tank (12), wherein the energy accumulator (9) is connected with an oil inlet of the hydraulic motor (11), an oil outlet of the hydraulic motor (11) is connected with the oil tank (12), the hydraulic motor (11) is coaxially connected with the power generator (10), the energy accumulator (9) is connected with an oil outlet of a pipeline (8), and the oil tank (12) is connected with an oil inlet of the pipeline (8).
6. Three degree of freedom wave energy power generation device according to claim 1, characterized in that the surface of the float member (18) that is in contact with the waves is sealed.
7. The three-degree-of-freedom wave energy power generation device according to claim 1, wherein the up-and-down motion device, the front-and-back motion device and the left-and-right motion device are respectively and correspondingly connected with one or more energy conversion devices (7), oil inlets and oil outlets of the energy conversion devices (7) are gathered into one oil inlet and one oil outlet through a pipeline (8), the oil inlet of the pipeline (8) is connected with an oil tank (12), and the oil outlet of the pipeline (8) is connected with an energy accumulator (9).
8. Three degree of freedom wave energy power generation device according to claim 1, characterized in that the bracket (1) and the base (13) remain stationary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222315.3A CN109973290B (en) | 2019-03-22 | 2019-03-22 | Three-degree-of-freedom wave power generation device |
Applications Claiming Priority (1)
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| WO2024019618A1 (en) * | 2022-07-19 | 2024-01-25 | Aewh B.V. | Robotic energy converter and a ship comprising a robotic energy converter |
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| CN110454318B (en) * | 2019-07-29 | 2021-04-13 | 武汉市炫能清洁能源科技有限公司 | Multi-degree-of-freedom adjustable pendulum power generation system |
| CN112901407B (en) * | 2021-01-20 | 2023-01-17 | 大连海事大学 | Three-degree-of-freedom pendulum wave energy harvesting device based on six-rod mechanism |
| CN113137325B (en) * | 2021-03-31 | 2023-06-06 | 中建科工集团有限公司 | Wave power generation device |
| CN114233561B (en) * | 2021-12-26 | 2023-01-24 | 中国海洋大学 | Multi-degree-of-freedom wave energy utilization device based on tension leg mooring |
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