CN110645137B - A wave energy conversion device for ocean fishing grounds - Google Patents
A wave energy conversion device for ocean fishing grounds Download PDFInfo
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- CN110645137B CN110645137B CN201910942258.6A CN201910942258A CN110645137B CN 110645137 B CN110645137 B CN 110645137B CN 201910942258 A CN201910942258 A CN 201910942258A CN 110645137 B CN110645137 B CN 110645137B
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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"
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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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Abstract
本发明提供了一种远洋渔场用波浪能转换装置，属于新能源装备技术领域。它解决了波浪能利用率低等技术问题。本远洋渔场用波浪能转换装置包括竖向固设在远洋渔场外围的立柱，立柱上连接有横向的伸缩杆，伸缩杆位于海水的上方且一端与立柱的侧部相铰接，伸缩杆的另一端向下弯折且端部固设有漂浮在海水上的浮子，伸缩杆的上方设有向下倾斜的液压缸组，液压缸组的上端与立柱的上端外侧相铰接，液压缸组的下端设有活塞杆，活塞杆的端部铰接在伸缩杆上，浮子上下波动能够带动活塞杆沿液压缸组的长度方向往复移动，液压缸组还连接有能够发电的液压马达。本发明无论海上波浪大小都能将波浪能转换成液压能，提高了波浪能的利用率。
The invention provides a wave energy conversion device for ocean fishing grounds, which belongs to the technical field of new energy equipment. It solves technical problems such as low utilization of wave energy. The wave energy conversion device for pelagic fishing grounds comprises a vertical column fixed on the periphery of the pelagic fishing ground, and a horizontal telescopic rod is connected to the vertical column. Bending downwards and fixed with floats floating on the seawater at the ends, a downwardly inclined hydraulic cylinder group is arranged above the telescopic rod, the upper end of the hydraulic cylinder group is hinged with the outer side of the upper end of the column, and the lower end of the hydraulic cylinder group is There is a piston rod, the end of the piston rod is hinged on the telescopic rod, the up and down fluctuation of the float can drive the piston rod to reciprocate along the length direction of the hydraulic cylinder group, and the hydraulic cylinder group is also connected with a hydraulic motor that can generate electricity. The present invention can convert wave energy into hydraulic energy regardless of the size of waves at sea, thereby improving the utilization rate of wave energy.
Description
Technical Field
The invention belongs to the technical field of new energy equipment, and relates to a wave energy conversion device for an ocean fishing ground.
Background
The fossil energy is a hydrocarbon or a derivative thereof, is deposited from fossil of ancient organisms and is non-renewable, and the fossil fuel can emit toxic gas after incomplete combustion, thereby not only polluting the environment, but also threatening the health of human bodies; ocean accounts for 71% than land on earth, ocean energy is renewable energy, wave energy in ocean energy is inexhaustible clean energy, wave energy can be used for generating electricity, wave energy is abundant on ocean fishing ground, electricity utilization facilities such as buoy lights can be supplied by utilizing wave energy electricity generation, but the existing wave energy conversion technology is not mature, so that the wave energy utilization rate is low, and the electric energy generated after wave energy conversion can not meet the requirements of the ocean fishing ground.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a wave energy conversion device for an ocean fishing ground, and the technical problems to be solved by the invention are as follows: how to improve the utilization rate of wave energy.
The purpose of the invention can be realized by the following technical scheme:
the wave energy conversion device for the ocean fishing ground is characterized by comprising a vertical upright post which is fixedly arranged on the periphery of the ocean fishing ground, wherein a transverse telescopic rod is connected onto the upright post, the telescopic rod is positioned above seawater, one end of the telescopic rod is hinged with the side portion of the upright post, the other end of the telescopic rod is bent downwards, a floater floating on the seawater is fixedly arranged at the end portion of the telescopic rod, a hydraulic cylinder group which inclines downwards is arranged above the telescopic rod, the upper end of the hydraulic cylinder group is hinged with the outer side of the upper end of the upright post, a piston rod is arranged at the lower end of the hydraulic cylinder group, the end portion of the piston rod is hinged onto the telescopic rod, the piston rod can be driven to reciprocate along the length direction of the hydraulic cylinder group by the up-and-down fluctuation of the floater, and the hydraulic cylinder group is further connected with a.
The working principle is as follows: float floats at sea among this technical scheme, the buoyancy that the float received has supported hydraulic cylinder group and telescopic link, make hydraulic cylinder group and telescopic link be located the top of sea water, the float makes the telescopic link swing around its pin joint with the stand along with sea water fluctuation, the telescopic link swing makes hydraulic cylinder group swing around its pin joint with the stand, and then make the piston rod along the length direction reciprocating motion of hydraulic cylinder group, make the wave energy convert hydraulic energy, when the piston rod along the length direction reciprocating motion of hydraulic cylinder group, the telescopic link can be along with doing concertina movement, make instinct can normally work, set up wave energy conversion equipment on the ocean fishing ground, no matter be big wave or little wave on the sea, this device can both absorb and convert hydraulic energy, again by hydraulic motor with hydraulic energy conversion electric energy, make the utilization ratio of wave energy obtain improving.
In the wave energy conversion device for the ocean fishing ground, the hydraulic cylinder group comprises a first cylinder body, a first piston and a second cylinder body which are positioned in the first cylinder body, a second piston and a third cylinder body which are positioned in the second cylinder body, and a third piston which is positioned in the third cylinder body; the cylinder body I, the cylinder body II and the cylinder body III are all in a cylindrical shape and are coaxially arranged, the upper end of the piston rod is located in the cylinder body I and fixedly connected with the center of the lower side face of the piston, the upper end of the cylinder body I penetrates through the lower end of the cylinder body II and is located in the cylinder body II, the upper end face of the cylinder body I is fixedly connected with the center of the lower side face of the piston II, the upper end of the cylinder body II penetrates through the lower end of the cylinder body III and fixedly connected with the center of the lower side face of the piston III, the outer wall of the cylinder body I is hermetically connected with the lower end of the cylinder body II, and the outer wall of the cylinder body II is hermetically connected; the hydraulic cylinder is characterized in that a first oil inlet is formed in the position, close to the lower end, of the outer peripheral face of the first cylinder body, a first oil outlet is formed in one side, opposite to the first oil inlet, of the outer peripheral face of the lower end of the first cylinder body, a second oil inlet and a second oil outlet are formed in the outer peripheral face of the lower end of the second cylinder body, a third oil inlet and a third oil outlet are formed in the position, close to the upper end, of the outer peripheral face of the third cylinder body, and a third piston is provided with an oil outlet one-way valve for guiding hydraulic oil in the second cylinder body into the third cylinder body. Due to wave uncertainty, the voltage of electricity generated by using wave energy is unstable, so that electricity utilization facilities in an ocean fishing ground cannot be used, the hydraulic cylinder group can convert hydraulic energy by using cylinder bodies with different sizes in the hydraulic cylinder group according to the size of the wave, the voltage of the electricity generated by the hydraulic motor connected with the hydraulic cylinder group is kept in a certain range, and the electricity utilization facilities on the fishing ground are normally used.
In the wave energy conversion device for the ocean fishing ground, the distance between the upper end of the oil inlet I and the upper end of the cylinder body I is larger than the height of the cylinder body II, the height of the cylinder body II is larger than the height of the cylinder body III, the diameter of the cylinder body I is smaller than the diameter of the cylinder body II, and the diameter of the cylinder body II is smaller than the diameter of the cylinder body III. And the three cylinder bodies in the hydraulic cylinder group are prevented from being damaged due to collision.
In the wave energy conversion device for the ocean fishing ground, the position of the oil outlet one-way valve on the piston III is close to the oil outlet III, and the position of the oil inlet one-way valve on the piston III is close to the oil inlet III. The hydraulic oil entering the cylinder body III from the oil inlet III can flow into the cylinder body II from the oil inlet one-way valve quickly, and the hydraulic oil flowing out of the oil outlet one-way valve can be discharged out of the cylinder body III quickly.
In the wave energy conversion device for the ocean fishing ground, the upper end of the first cylinder body is open or closed, the upper end of the second cylinder body is open or closed, and the upper end of the third cylinder body is closed. The cylinder body I, the cylinder body II and the cylinder body III are reasonable in structure, and guarantee is provided for normal work of the device.
In the wave energy conversion device for the ocean fishing ground, the length of the telescopic rod is 0.5n times of the wave wavelength of seawater, and n is a natural number. The length that the telescopic link set up makes the float between the crest and the trough of wave, has improved the wave energy utilization ratio.
In the wave energy conversion device for the ocean fishing ground, the telescopic rod comprises a fixed sleeve and a movable rod, the inner end of the fixed sleeve is hinged to the outer peripheral surface of the middle part of the upright post, one end of the movable rod is inserted into the outer end of the fixed sleeve and can slide in a reciprocating manner along the length direction of the fixed sleeve, the movable rod is L-shaped, the floater is fixed to the other end of the movable rod, and the end part of the piston rod of the hydraulic cylinder group is hinged to the upper side surface of the movable rod. The structure of the telescopic rod enables the telescopic rod to be always positioned above the seawater, so that the movable rod can slide in the fixed sleeve in a reciprocating manner without being hindered by the seawater.
In the wave energy conversion device for the ocean fishing ground, a stop ring is fixedly arranged on the outer peripheral surface of the movable rod, and the stop ring is close to a hinge point of the piston rod and the movable rod. The dog can prevent that the movable rod excessively contracts into in the fixed cover, prevents to damage the pneumatic cylinder group and receives the damage.
In the wave energy conversion device for the ocean fishing ground, the floater comprises a hemispherical floating part and a cylindrical connecting part, the lower end surface of the connecting part is butted with the upper end surface of the floating part, and the lower end of the movable rod is fixedly connected to the center of the upper end of the connecting part. The floating part of the floater is designed into a hemisphere shape, so that the floater can better absorb wave energy.
In the wave energy conversion device for the ocean fishing ground, the periphery of the ocean fishing ground is circular, twelve upright columns are circumferentially arranged, the included angle between every two adjacent upright columns is 30 degrees, and each upright column is connected with the hydraulic cylinder group and the floater through the telescopic rod; twelve hydraulic cylinder groups and hydraulic motors are connected in series in an annular mode. Twelve wave energy conversion devices are arranged and are connected in series to form a ring, and the floater can absorb wave energy in all directions, so that sufficient electric energy is provided for a fishing ground.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, due to the arrangement of the floater, the telescopic rod and the hydraulic cylinder group, wave energy can be converted into hydraulic energy no matter the size of sea waves, and the hydraulic energy is converted into electric energy by the hydraulic motor, so that the utilization rate of the wave energy is improved.
2. The hydraulic cylinder group is divided into three cylinder bodies with different sizes, so that the condition that the voltage of the electric energy converted from the wave energy is unstable due to wave uncertainty is eliminated, and the voltage of the electric energy converted from the wave energy is kept in a certain range.
Drawings
Fig. 1 is a front view of the wave energy conversion device for the ocean fishing ground.
Fig. 2 is a sectional view of a hydraulic cylinder group in the wave energy conversion device for the ocean fishing ground.
Fig. 3 is a distribution diagram of the wave energy conversion device for the ocean fishing ground at the periphery of the ocean fishing ground.
In the figure, 1, a column; 2. a telescopic rod; 21. fixing a sleeve; 22. a movable rod; 3. a float; 31. a floating section; 32. a connecting portion; 4. a hydraulic cylinder group; 41. a piston rod; 42. a first cylinder body; 42a, a first piston; 42b, a first oil inlet; 42c, a first oil outlet; 43. a second cylinder body; 43a, piston two; 43b and a second oil inlet; 43c and an oil outlet II; 44. a third cylinder body; 44a, a piston III; 44b, a third oil inlet; 44c and an oil outlet III; 45. an oil outlet one-way valve; 46. an oil inlet one-way valve; 5. and (4) a baffle ring.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, the wave energy conversion device in this embodiment includes a vertical column 1 vertically disposed at the periphery of an ocean fishing ground, one side of the vertical column 1 is connected with a transversely disposed telescopic rod 2, the length of the telescopic rod 2 is 0.5n times of the wavelength of sea water waves, n is a natural number, the telescopic rod 2 includes a fixed sleeve 21 and a movable rod 22, the inner end of the fixed sleeve 21 is hinged to the outer peripheral surface of the middle portion of the vertical column 1, the movable rod 22 is inserted at the other end of the fixed sleeve 21, the movable rod 22 can slide in the fixed sleeve 21 in a reciprocating manner along the length direction of the fixed sleeve 21, the movable rod 22 is L-shaped, one end of the movable rod 22 is located in the fixed sleeve 21, the other end is fixedly connected with a float 3 floating on the sea surface, a hydraulic cylinder group 4 inclined downward is disposed right above the telescopic rod 2, the upper end of the hydraulic cylinder group 4 is hinged to one side of the vertical column 1, the lower end of the hydraulic cylinder group, the end of the piston rod 41 is hinged with the upper side of the movable rod 22, a baffle ring 5 is fixedly arranged on the peripheral surface of the movable rod 22, one end of the baffle ring 5 is arranged opposite to the outer end of the fixed sleeve 21, and the baffle ring 5 is sleeved on the movable rod 22 and is close to the position of the hinged point of the piston rod 41 and the movable rod 22.
Further, as shown in fig. 1, the float 3 includes a floating portion 31 and a connecting portion 32, the floating portion 31 is disposed in a hemispherical shape, the connecting portion 32 is disposed in a cylindrical shape, the connecting portion 32 is located above the floating portion 31, a lower end surface of the connecting portion 32 is abutted to an upper end surface of the floating portion 31, and a lower end of the movable rod 22 is fixedly connected to a center of an upper end of the connecting portion 32.
Further, as shown in fig. 2, the hydraulic cylinder set 4 includes a cylinder one 42, a cylinder two 43 and a cylinder three 44, the cylinder one 42 is provided with a piston one 42a, the cylinder two 43 is provided with a piston two 43a, the cylinder three 44 is provided with a piston three 44a, the cylinder one 42, the cylinder two 43 and the cylinder three 44 are all arranged in a cylindrical shape and coaxially arranged, the diameter of the cylinder one 42 is smaller than that of the cylinder two 43, the diameter of the cylinder two 43 is smaller than that of the cylinder three 44, the upper end of the piston rod 41 is located in the cylinder and fixedly connected with the center of the lower side of the piston one 42a, the upper end of the cylinder one 42 passes through the lower end of the cylinder two 43 and is located in the cylinder two 43, the upper end face of the cylinder one 42 is fixedly connected with the center of the lower side of the piston two 43a, the outer wall of the cylinder one 42 is hermetically connected with the lower end of the cylinder two 43, the end surface of the upper end of the second cylinder 43 is fixedly connected with the center of the lower side surface of the third piston 44a, and the outer wall of the second cylinder 43 is hermetically connected with the lower end of the third cylinder 44; an oil inlet I42 b is formed in the position, close to the lower end, of the peripheral surface of the first cylinder 42, an oil outlet I42 c is formed in one side, opposite to the oil inlet I42 b, of the peripheral surface of the lower end of the first cylinder 42, an oil inlet II 43b and an oil outlet II 43c are formed in the peripheral surface of the lower end of the second cylinder 43, an oil inlet III 44b and an oil outlet III 44c are formed in the peripheral surface of the third cylinder 44, close to the upper end, of the peripheral surface of the third cylinder 44, an oil outlet one-way valve 45 and an oil inlet one-way valve 46 are further arranged on the piston III 44a at intervals, the oil inlet one-way valve 46 can guide hydraulic oil in the third cylinder 44 into the second cylinder 43, the oil outlet one-way valve 45 can guide hydraulic oil in the second cylinder 43 into the third cylinder 44, the oil inlet one-way valve; the upper end of the first cylinder 42 can be an opening or a closed opening, the upper end of the second cylinder 43 can be a closed opening or an opening, but the upper end of the third cylinder 44 is a closed opening, the distance from the upper end of the first oil inlet 42b to the upper end of the first cylinder 42 is greater than the height of the second cylinder 43, and the height of the second cylinder 43 is greater than the height of the third cylinder 44; the hydraulic cylinder group 4 is connected with a hydraulic motor which can convert the hydraulic energy generated by the hydraulic cylinder group 4 into electric energy.
Further, as shown in fig. 3, the ocean fishing ground is arranged in a circular shape, twelve upright columns 1 are circumferentially arranged on the periphery of the ocean fishing ground, the included angle between every two adjacent upright columns 1 is 30 degrees, each upright column 1 is connected with a floater 3 and a hydraulic cylinder group 4, and twelve hydraulic cylinder groups 4 and hydraulic motors connected to each hydraulic cylinder group 4 are connected in series to form a ring shape.
The float 3 floats up and down along with waves on the sea surface, so that the telescopic rod 2 and the hydraulic cylinder group 4 swing around the hinged point of the telescopic rod and the upright post 1, when the float 3 floats up due to small waves, the piston rod 41 slides towards the upper end of the cylinder body 42 in the cylinder body 42, the oil is fed from the oil inlet 42b, when the float 3 sinks due to small waves, the piston rod 41 slides towards the lower end of the cylinder body 42 in the cylinder body 42, at the moment, the hydraulic oil entering the cylinder body 42 from the oil inlet 42b flows out from the oil outlet 42c under the action of pressure, the flowing hydraulic oil obtains a faster speed, when the waves become bigger, the cylinder body 42 no longer adapts to the current wave force, the cylinder body two 43 starts to work, the oil circuit of the cylinder body one 42 is closed, the piston in the cylinder body one 42 does not move, when the float 3 sinks to enable the piston two 43a to move towards the lower end of the cylinder body, the oil outlet II 43c discharges oil to enable the discharged hydraulic oil to obtain a higher speed, when the floater 3 floats upwards to enable the piston II 43a to move towards the upper end of the cylinder II 43, the discharged oil one-way valve 45 discharges oil, the discharged oil flows into a hydraulic oil pipeline through the oil outlet III 44c, and the hydraulic oil in the cylinder III 44 flows into the cylinder II 43 from the oil inlet one-way valve 46 under the action of the gravity of the cylinder III 44; when waves are large, the oil path of the second cylinder body 43 is closed, the floater 3 floats upwards to enable the piston to move towards the upper end of the third cylinder body 44, oil is fed into the third oil inlet 44b, oil is discharged from the third oil outlet 44c, hydraulic oil flowing out of the third oil outlet 44c obtains higher speed, wave energy is converted into hydraulic energy, the hydraulic energy can be converted into electric energy under the action of a hydraulic motor to be used in an ocean fishing ground, and when the piston rod 41 reciprocates in the hydraulic cylinder group 4, the movable rod 22 reciprocates in the fixed sleeve 21 along with the electric energy.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (6)
1. The wave energy conversion device for the ocean fishing ground is characterized by comprising a vertical column (1) vertically and fixedly arranged on the periphery of the ocean fishing ground, wherein a transverse telescopic rod (2) is connected onto the vertical column (1), the telescopic rod (2) is positioned above seawater, one end of the telescopic rod is hinged with the side part of the vertical column (1), the other end of the telescopic rod (2) is bent downwards, a floater (3) floating on the seawater is fixedly arranged at the end part of the telescopic rod, a downward-inclined hydraulic cylinder group (4) is arranged above the telescopic rod (2), the upper end of the hydraulic cylinder group (4) is hinged with the outer side of the upper end of the vertical column (1), a piston rod (41) is arranged at the lower end of the hydraulic cylinder group (4), the end part of the piston rod (41) is hinged onto the telescopic rod (2), and the piston rod (41) can be driven to reciprocate along the length direction of the hydraulic cylinder group (4) by the up-down fluctuation of the floater (3, the hydraulic cylinder group (4) is also connected with a hydraulic motor capable of generating electricity; the length of the telescopic rod (2) is 0.5n times of the wave length of seawater, and n is a natural number; the telescopic rod (2) comprises a fixed sleeve (21) and a movable rod (22), the inner end of the fixed sleeve (21) is hinged to the outer peripheral surface of the middle part of the upright post (1), one end of the movable rod (22) is inserted into the outer end of the fixed sleeve (21) and can slide in a reciprocating mode along the length direction of the fixed sleeve (21), the movable rod (22) is L-shaped, the floater (3) is fixed to the other end of the movable rod (22), and the end part of a piston rod (41) of the hydraulic cylinder group (4) is hinged to the upper side face of the movable rod (22); a baffle ring (5) is fixedly arranged on the peripheral surface of the movable rod (22), and the baffle ring (5) is close to a hinge point of the piston rod (41) and the movable rod (22);
the hydraulic cylinder group (4) comprises a first cylinder body (42) and a first piston (42 a) positioned in the first cylinder body (42), a second cylinder body (43) and a second piston (43 a) positioned in the second cylinder body (43), a third cylinder body (44) and a third piston (44 a) positioned in the third cylinder body (44); the cylinder body I (42), the cylinder body II (43) and the cylinder body III (44) are all cylindrical and are coaxially arranged, the upper end of the piston rod (41) is positioned in the cylinder body I (42) and fixedly connected with the center of the lower side face of the piston I (42 a), the upper end of the cylinder body I (42) penetrates through the lower end of the cylinder body II (43) and is positioned in the cylinder body II (43), the upper end face of the cylinder body I (42) is fixedly connected with the center of the lower side face of the piston II (43 a), the upper end of the cylinder body II (43) penetrates through the lower end of the cylinder body III (44) and is fixedly connected with the center of the lower side face of the piston III (44 a), the outer wall of the cylinder body I (42) is hermetically connected with the lower end of the cylinder body II (43), and the outer wall of the cylinder body II (43) is hermetically connected with the lower end of the cylinder body III; an oil inlet I (42 b) is formed in the position, close to the lower end, of the peripheral surface of the first cylinder body (42), an oil outlet I (42 c) is formed in the side, opposite to the oil inlet I (42 b), of the peripheral surface of the lower end of the first cylinder body (42), an oil inlet II (43 b) and an oil outlet II (43 c) are formed in the peripheral surface of the lower end of the second cylinder body (43), an oil inlet III (44 b) and an oil outlet III (44 c) are formed in the position, close to the upper end, of the peripheral surface of the third cylinder body (44), and an oil outlet one-way valve (45) for guiding hydraulic oil in the second cylinder body (43) into the third cylinder body (44) and an oil inlet one-way valve (46) for guiding hydraulic oil in the third cylinder body (44) into the second cylinder body (43.
2. The wave energy conversion device for the ocean fishing ground according to claim 1, characterized in that the distance between the upper end of the first oil inlet (42 b) and the upper end of the first cylinder body (42) is greater than the height of the second cylinder body (43), the height of the second cylinder body (43) is greater than the height of the third cylinder body (44), the diameter of the first cylinder body (42) is smaller than the diameter of the second cylinder body (43), and the diameter of the second cylinder body (43) is smaller than the diameter of the third cylinder body (44).
3. The wave energy conversion device for the ocean fishing ground according to claim 2, characterized in that the oil outlet check valve (45) is located on the piston three (44 a) near the oil outlet three (44 c), and the oil inlet check valve (46) is located on the piston three (44 a) near the oil inlet three (44 b).
4. The wave energy conversion device for the ocean fishing ground according to claim 3, characterized in that the upper end of the first cylinder body (42) is open or closed, the upper end of the second cylinder body (43) is open or closed, and the upper end of the third cylinder body (44) is closed.
5. The wave energy conversion device for the ocean fishing ground according to claim 1, wherein the floater (3) comprises a floating part (31) in a hemispherical shape and a connecting part (32) in a cylindrical shape, the lower end surface of the connecting part (32) is butted with the upper end surface of the floating part (31), and the lower end of the movable rod (22) is fixedly connected to the center of the upper end of the connecting part (32).
6. The wave energy conversion device for the ocean fishing ground according to claim 1, characterized in that the periphery of the ocean fishing ground is circular and twelve upright posts (1) are circumferentially arranged, the included angle between every two adjacent upright posts (1) is 30 ︒, each upright post (1) is connected with the hydraulic cylinder group (4) and the floater (3) through the telescopic rod (2); twelve hydraulic cylinder groups (4) and hydraulic motors (5) are connected in series in an annular mode.
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| CN113137325B (en) * | 2021-03-31 | 2023-06-06 | 中建科工集团有限公司 | Wave power generation device |
| CN115506942B (en) * | 2022-09-30 | 2023-08-15 | 南通大学 | Floating wing plate of wave energy power generation device |
| CN116534941A (en) * | 2023-06-05 | 2023-08-04 | 武汉理工大学 | A solar and wave energy complementary concentrating thermal seawater desalination device |
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| KR100751607B1 (en) * | 2002-09-12 | 2007-08-22 | 디이젤 엔진 리타더스, 인코포레이티드 | System and method for internal exhaust gas recirculation |
| CN101725453B (en) * | 2010-01-14 | 2012-07-04 | 杭州海聚动力科技有限公司 | Novel wave energy generating system |
| US8653682B2 (en) * | 2010-09-27 | 2014-02-18 | Thomas Rooney | Offshore hydroelectric turbine assembly and method |
| CN102678431B (en) * | 2012-06-06 | 2014-05-14 | 浪能电力科研有限公司 | Wave energy conversion system |
| CN106968872A (en) * | 2017-05-12 | 2017-07-21 | 上海交通大学 | Heaving formula float wave transducer based on hinge |
| CN109356774B (en) * | 2018-11-29 | 2020-11-03 | 浙江海洋大学 | Ocean squid angling boat wave energy power generation device |
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