CN111237119A - Wave energy power generation device - Google Patents

Wave energy power generation device Download PDF

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Publication number
CN111237119A
CN111237119A CN202010239944.XA CN202010239944A CN111237119A CN 111237119 A CN111237119 A CN 111237119A CN 202010239944 A CN202010239944 A CN 202010239944A CN 111237119 A CN111237119 A CN 111237119A
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China
Prior art keywords
shaft
raft
rack
assembled
flywheel
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CN202010239944.XA
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Chinese (zh)
Inventor
周建强
周子贡
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Individual
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Priority to CN202010239944.XA priority Critical patent/CN111237119A/en
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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
    • F03B13/1805—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 hinged to the rem
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a wave energy power generation device, comprising: the main raft, the auxiliary raft, the rocker arm assembly, the generator, the flywheel train of the speed increaser, the unidirectional converter and the universal machine assembly; the rocker arm assembly is provided with a rack of the one-way conversion machine, the main raft and the auxiliary raft are hinged with the rocker arm assembly through the universal machine assembly, the rack of the one-way conversion machine moves up and down under the action of waves, a grooved wheel of the one-way conversion machine is installed on an input shaft of the speed increaser, two sides of the periphery of the grooved wheel are respectively provided with a pair of racks with opposite directions, the grooved wheel is matched with the rack through a grooved claw to realize the up-and-down swing of the rocker arm assembly, one set of rack transmits the torque of the grooved wheel through the grooved claw to enable the grooved wheel to rotate in one direction, and the grooved wheel is subjected to speed increaser speed increase, flywheel system speed stabilization and power balance adjustment.

Description

Wave energy power generation device
Technical Field
The invention relates to the field of wave energy power generation, in particular to a wave surface raft type wave energy power generation device.
Background
The existing wave energy capture technology comprises the following steps: oscillating water column, raft type, contraction wave channel type, oscillating floater type, pendulum type and the like. The rotating mechanism of the oscillating water column wave energy device is not contacted with seawater, so that the oscillating water column wave energy device has good corrosion resistance, safety and convenient maintenance; its disadvantages are low conversion efficiency, low adaptability to small wave energy and high cost. The pendulum wave energy device has the advantages that the motion of the pendulum body is very suitable for the characteristics of large wave thrust and low frequency, the conversion efficiency of the pendulum device is high, but the existing device is difficult to mechanically maintain and easy to damage. The contraction wave channel type has the advantages that the first-stage conversion has no movable part, the reliability is good, the maintenance cost is low, and the system output is stable; the disadvantages are that the requirements of power station construction on the geographic terrain are high, and the popularization is not easy. The wave energy is obtained by adopting a vibrating floater mode, and the wave energy conversion efficiency is high, and the defects of tidal range and anchoring trouble need to be considered. The raft-type device floats on the sea surface, and the relative motion between the rafts is mainly utilized to absorb energy, so that the raft-type device has the advantages of convenient anchoring, large power level and easy popularization.
Disclosure of Invention
Aiming at the technical problems, the invention provides a wave surface raft type wave energy power generation device which is good in energy capture effect, strong in environmental adaptability and convenient to anchor; and under the action of wave energy, the universal motion between the rafts is converted into the device which can swing up and down and generate power.
In order to achieve the purpose, the method is realized by the following technical scheme:
a wave energy power generation device comprises a main raft, an auxiliary raft, a rocker arm assembly, a generator, a flywheel system of a speed increaser, a one-way converter and a universal machine assembly;
the main raft is a cubic floater, and the end part above the main raft is assembled: the middle part of the upper part of the rocker arm shaft seat and the universal machine shaft seat is assembled: a generator and a flywheel system of the speed increaser;
the auxiliary raft is a cubic floater, the upper end part of the auxiliary raft is provided with a universal machine shaft seat, and the bottom part of the auxiliary raft is provided with an anchor rope bolt for mooring and anchoring;
the rocker arm assembly includes: the rocker arm shaft seat and the rocker arm are assembled at the end part of the main raft, the rocker arm can swing up and down around a 2-pin rocker arm shaft seat, shaft holes are formed in two ends of the rocker arm, one end of the shaft hole is assembled with the rocker arm shaft seat in a matching mode, the other end of the shaft hole is assembled with a universal shaft of a universal machine assembly in a matching mode, the universal machine assembly can rotate around the end shaft hole of the rocker arm, and the middle part of the rocker arm is assembled with an A rack and a B rack of two pairs of unidirectional converters;
the generator is a permanent magnet generator and is coupled with a flywheel shaft of a flywheel system of the speed increaser through a coupling;
the flywheel train of the speed increaser comprises: the flywheel is assembled at one end of the transmission shaft and is in shaft coupling with the generator through the coupler, the transmission shaft is provided with two sets of bearing seats and is assembled above the middle part of the main raft, the other end of the transmission shaft is in shaft coupling with the speed increasing box through the coupler, and the input shaft of the speed increasing box is provided with a grooved wheel of the one-way conversion machine;
the one-way converter includes: the groove wheel assembled on the input shaft of the speed increasing box and the groove claw in the groove wheel groove, the rack A and the rack B assembled in the middle of the rocker arm, the tooth directions of the rack A and the rack B are mutually reversed to be concentric arcs and are respectively assembled on two sides of the periphery of the groove wheel, the groove claw is kidney-shaped and is assembled in the groove wheel groove, a spring is also assembled in the groove to open the groove claw, and the opening directions of the groove claws in the diameter direction of the groove wheel are opposite;
the universal machine assembly includes: the end shaft of the universal shaft is matched and assembled with the end shaft hole of the rocker arm, the middle hole of the universal shaft is matched and assembled with the shaft of the universal shaft seat, the universal shaft seat can rotate around the middle hole of the universal shaft, and the universal shaft seat is assembled at the end parts of the main raft and the auxiliary raft;
between main raft and the vice raft, through installing the rocking arm assembly on main raft, with install the universal machine assembly hinge on the vice raft, make and to have universal free motion between main raft and the vice raft, make the rocking arm luffing motion under the wave action, drive the A rack and the B rack up-and-down motion of one-way conversion machine, wave energy power generation facility configuration: one set of auxiliary rafts and at least one set of main rafts are combined;
the flywheel system is used for increasing the rotating speed of the one-way converter through the speed increaser, stabilizing the system speed and adjusting the system power balance through the flywheel, and transmitting the system speed and the system power balance to the generator through the coupler to realize stable power generation;
the invention adopting the technical scheme has the operation principle that: the main raft, the main raft and the auxiliary raft can move freely in a universal direction, the rocker arm swings up and down under the action of waves to drive the rack A5 and the rack B of the one-way conversion machine to move up and down, the grooved wheel is matched with the rack A or the rack B through the grooved claws, no matter two auxiliary racks go up or down, a set of racks respectively transmit the torque of the grooved wheel through the grooved claws to enable the grooved wheel to rotate in a single direction, the rotating speed is increased through the speed increaser, the speed of the flywheel stabilizing system and the power of the regulating system are balanced, and the flywheel stabilizing system is transmitted to the generator through the coupler to realize stable power generation;
the motion modes of the unidirectional converter are as follows:
firstly, when the rack A moves upwards, the tooth space of the rack A faces upwards, the tooth space concave part of the rack A meets the expanded groove claw convex part, the rack A is meshed with the groove claw, the sheave is pushed to rotate clockwise, the last meshed groove claw is separated from the rack A due to a circumferential track in the whole upward process of the rack A, the next groove claw is meshed with the tooth space concave part of the rack A due to the circumferential track, the sheave is continuously pushed to rotate clockwise, the process is analogized, meanwhile, the rack B moves upwards, the tooth space of the rack B faces downwards, the tooth space concave part of the rack B deviates from the expanded groove claw convex part, and the rack B and the groove claw slip and cannot transmit torque;
secondly, when the rack A moves downwards, the tooth space of the rack A faces upwards, the tooth space concave part of the rack A deviates from the expanded groove claw convex part, so that the rack A and the groove claw slip and cannot transmit torque, meanwhile, the rack B moves downwards, the tooth space of the rack B faces downwards, the tooth space concave part of the rack B meets the expanded groove claw convex part, the rack B is meshed with the groove claw, the grooved wheel is pushed to rotate clockwise, the last meshed groove claw of the rack B is separated from the rack B due to a circumferential track in the whole descending process of the rack B, the next groove claw is meshed with the tooth space concave part of the rack B due to the circumferential track, the grooved wheel is continuously pushed to rotate clockwise, and the like;
therefore, the wave energy is captured no matter the rocker arm swings up and down through the one-way converter, and the transmitted torque is one-way;
the foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
The invention is illustrated in 4 figures, wherein:
fig. 1 is a schematic view of the overall structure and movement of the present invention.
Fig. 2 is a front view and a top view of the overall structure of the present invention.
FIG. 3 is a mechanical block diagram of the rocker arm assembly of the present invention.
Fig. 4 is a mechanical structure view of the one-way converter of the present invention.
In the figure: 1. the main raft, 1.1, the auxiliary raft, 1.2, the anchor rope bolt, 2, the rocker arm assembly, 2.1, the rocker arm shaft seat, 2.2, the rocker arm, 3, the generator, 4, the flywheel train of the speed increaser, 4.1, the flywheel, 4.2, the bearing seat, 4.3, the transmission shaft, 4.4, the shaft coupling, 4.5, the speed increaser, 5, the unidirectional conversion machine, 5.1, the trough claw, 5.2, the sheave, 5.3a, the A rack, 5.3B, the B rack, 6, the universal machine assembly, 6.1, the universal shaft, 6.2, the universal machine shaft seat.
Detailed Description
A wave energy electric power plant as illustrated in figures 1 to 4, comprising: the device comprises a main raft 1, an auxiliary raft 1.1, a rocker arm assembly 2, a generator 3, a flywheel gear train 4, a one-way converter 5 and a universal machine assembly 6;
main raft 1 is the cube float, and its upper end assembles: rocker arm axle bed 2.1 and universal machine axle bed 6.2, its top middle part assembly: the generator 4 and the flywheel system 4 of the speed increaser;
the auxiliary raft 1.1 is a cubic floater, the upper end part of the auxiliary raft is provided with a universal machine shaft seat 6.2, and the bottom part of the auxiliary raft is provided with an anchor rope bolt 1.2 for mooring and anchoring;
the rocker arm assembly 2 includes: the rocker arm shaft seats 2.1 and the rocker arms 2.2 are assembled at the end parts of the main raft 1, the rocker arms 2.2 can swing up and down around pins of the rocker arm shaft seats 2.1, shaft holes are formed in two ends of the rocker arms 2.2, one end of each shaft hole is assembled with the corresponding shaft pin of the rocker arm shaft seat 2.1, the other end of each shaft hole is assembled with the corresponding universal shaft 6.1 of the universal machine assembly 6 in a matching mode, the universal machine assembly 6 can rotate around the end shaft hole of the rocker arm 2.2, and the middle part of each rocker arm 2.2 is provided with two pairs of racks A5.3 a and B5.3B of the unidirectional conversion;
the generator 3 is a permanent magnet generator and is coupled with a flywheel 4.1 of the flywheel gear train 4 through a coupler 4.4;
the flywheel 4 includes: the flywheel is 4.1, a bearing seat 4.2, a transmission shaft 4.3, a coupler 4.4 and a speed increasing box 4.5, the flywheel 4.1 is assembled at one end of the transmission shaft 4.3 and is in shaft coupling with a generator 3 through the coupler 4.4, the transmission shaft 4.3 is provided with two sets of bearing seats 4.2 and is assembled above the middle part of the main raft 1, the other end of the transmission shaft 4.3 is in shaft coupling with the speed increasing box 4.5 through the coupler 4.4, and a sheave 5.2 of the one-way converter 5 is assembled on an input shaft of the speed increasing box 4.5;
the one-way converter 5 includes: the groove claw 5.1 is assembled in a groove wheel 5.2 and a groove wheel 5.2 on an input shaft of the speed increasing box 4.5, the A rack 5.3a and the B rack 5.3B are assembled in the middle of the rocker arm 2.2, the tooth directions of the A rack 5.3a and the B rack 5.3B are mutually reversed to be concentric arcs and are respectively assembled on two sides of the periphery of the groove wheel 5.2, the groove claw 5.1 is kidney-shaped and is assembled in the groove wheel 5.2, a spring is also assembled in the groove to expand the groove claw 5.1, and the pair of groove claws 5.1 in the diameter direction of the groove wheel 5.2 are opposite in expanding direction;
the universal machine assembly 6 includes: the end shafts of the universal shafts 6.1 and the universal machine shaft seats 6.2 are matched and assembled with the end shaft holes of the rocker arms 2.2, the middle holes of the universal shafts 6.1 and the shafts of the universal machine shaft seats 6.2 are matched and assembled, the universal machine shaft seats 6.2 can rotate around the middle holes of the universal shafts 6.1, and the universal machine shaft seats 6.2 are assembled at the end parts of the main raft 1 and the auxiliary raft 1.1;
between main raft 1 and the vice raft 1.1, through installing rocker assembly 2 on main raft 1, with install the 6 hinges of universal machine assembly on vice raft 1.1, make and to make the universal free motion between main raft 1 and the vice raft 1.1, make rocker 2.2 luffing motion under the wave action, drive the up-and-down motion of A rack 5.3a and B rack 5.3B of one-way conversion machine 5, the wave energy power generation facility configuration: one set of auxiliary rafts 1.1 is combined with at least more than one set of main rafts 1;
the flywheel 4 is used for increasing the rotating speed of the one-way converter 5 through the speed increaser 4.5, stabilizing the system speed and adjusting the power balance of the system through the flywheel 4.1, and transmitting the system speed and the system power to the generator 3 through the coupler 4.4 to realize stable power generation;
the invention adopting the technical scheme has the operation principle that: the main raft 1, the main raft 1 and the auxiliary raft 1.1 can move freely in a universal direction, the rocker arm 2.2 swings up and down under the action of waves to drive the rack A5.3 a and the rack B5.3B of the unidirectional conversion machine 5 to move up and down, the sheave 5.2 is matched with the rack A5.3 a or the rack B5.3B through the groove claw 5.1, no matter the two auxiliary racks go up or down, one set of racks transmit the torque of the sheave 5.2 through the groove claw 5.1, so that the sheave 5.2 rotates in a unidirectional way, the rotating speed is increased through the speed increaser 4.5, the speed of the system is stabilized by the flywheel 4.1, the power of the system is balanced, and the torque is transmitted to the generator 3 by the coupler 4.4 to realize stable power generation;
the motion modes of the one-way converter 5 are as follows:
firstly, when the a rack 5.3a moves upwards, the tooth socket of the a rack 5.3a faces upwards, the tooth socket concave part of the a rack meets the convex part of the expanded groove claw 5.1, the a rack 5.3a is meshed with the groove claw 5.1, the sheave 5.2 is pushed to rotate clockwise, the last meshed groove claw 5.1 is separated from the a rack 5.3a due to a circumferential track in the whole upward process of the a rack 5.3a, the next groove claw 5.1 is meshed with the groove concave part of the a rack 5.3a due to the circumferential track, the sheave 5.2 is continuously pushed to rotate clockwise, and the like, meanwhile, the B rack 5.3B moves upwards, the tooth socket of the B rack 5.3B faces downwards, the tooth socket concave part of the B deviates from the convex part of the expanded groove claw 5.1, and the B rack 5.3B and the groove claw 5.1 slip and cannot transmit torque;
secondly, when the a rack 5.3a moves downwards, the tooth space of the a rack 5.3a is upward, the tooth space concave part of the a rack is deviated from the convex part of the expanded groove claw 5.1, so that the a rack 5.3a and the groove claw 5.1 slip and can not transmit torque, meanwhile, the B rack 5.3B moves downwards, the tooth space of the B rack 5.3B is downward, the tooth space concave part of the B rack meets the convex part of the expanded groove claw 5.1, the B rack 5.3B is meshed with the groove claw 5.1, the grooved wheel 5.2 is pushed to rotate clockwise, the last meshed groove claw 5.1 is separated from the B rack 5.3B due to the circumferential track, the next groove claw 5.1 is meshed with the groove concave part of the B rack 5.3B due to the circumferential track, the grooved wheel 5.2 is continuously pushed to rotate clockwise in the whole descending process, and so on;
therefore, the unidirectional converter 5 ensures that wave energy is captured no matter the rocker arm 2.2 swings up and down, and the transmitted torque is unidirectional;
although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. A wave energy electric power generation apparatus, characterized by: comprises a main raft (1), an auxiliary raft (1.1), a rocker arm assembly (2), a generator (3), a flywheel gear train (4), a one-way converter (5) and a universal machine assembly (6);
main raft (1), for the cube float, its top end assembly: rocker arm axle bed (2.1) and universal machine axle bed (6.2) of rocker arm assembly (2), its top middle part assembly: a generator (3) and a flywheel train (4);
the auxiliary raft (1.1) is a cubic floater, the upper end part of the auxiliary raft is provided with a universal machine shaft seat (6.2), and the bottom part of the auxiliary raft is provided with an anchor rope bolt (1.2) for mooring and anchoring;
the rocker arm assembly (2) comprising: the rocker shaft seats (2.1) and the rockers (2.2) are assembled at the end parts of the main rafts (1), the rockers (2.2) can swing up and down around pivot pins of the rocker shaft seats (2.1), wherein shaft holes are formed in two ends of the rockers (2.2), the shaft hole at one end is assembled with the pivot pin matched with the rocker shaft seat (2.1), the shaft hole at the other end is assembled with a universal shaft (6.1) of a universal machine assembly (6) in a matched mode, the universal machine assembly (6) can rotate around the shaft hole at the end of the rocker (2.2), and the middle part of each rocker (2.2) is provided with an A rack (5.3 a) and a B rack (5.3B) of two pairs of unidirectional converters (5) with opposite;
the generator (3) is a permanent magnet generator and is coupled with a flywheel (4.1) of a flywheel train of the speed increaser through a coupler (4.4);
the flywheel train (4) comprises: the flywheel type wind power generator comprises a flywheel (4.1), bearing seats (4.2), a transmission shaft (4.3), a coupler (4.4) and a speed increasing box (4.5), wherein the flywheel (4.1) is assembled at one end of the transmission shaft (4.3) and is in shaft coupling with the generator (3) through the coupler (4.4), the transmission shaft (4.3) is provided with two sets of bearing seats (4.2) and is assembled above the middle part of a main raft (1), the other end of the transmission shaft (4.3) is in shaft coupling with the speed increasing box (4.5) through the coupler (4.4), and a grooved pulley (5.2) of a one-way conversion machine (5) is assembled on an input shaft of the speed increasing box (4.5);
the unidirectional converter (5) comprises: a grooved pulley (5.2) assembled on an input shaft of the speed increasing box (4.5), a grooved claw (5.1) assembled in a groove of the grooved pulley (5.2), and an A rack (5.3 a) and a B rack (5.3B) assembled in the middle of the rocker arm (2.2);
the gimbal assembly (6) comprising: cardan shaft (6.1) and cardan shaft seat (6.2), the end shaft of cardan shaft (6.1) and the end shaft hole cooperation assembly of two sets of rocking arms (2.2), the shaft cooperation assembly of the mesopore of cardan shaft (6.1) and cardan shaft seat (6.2), cardan shaft seat (6.2) can rotate around cardan shaft (6.1) mesopore, cardan shaft seat (6.2) assemble in the tip of main raft (1) and vice raft (1.1).
2. A wave energy electric power plant according to claim 1, characterized in that:
between main raft (1) and vice raft (1.1), through rocker arm assembly (2) of assembling on main raft (1), with assemble universal quick-witted assembly (6) the hinge on vice raft (1.1), make and can universal free motion between main raft (1) and vice raft (1.1), make rocker arm (2.2) luffing motion under the wave action, drive A rack (5.3 a) and B rack (5.3B) up-and-down motion of one-way conversion machine (5), wave energy power generation facility configuration: one set of auxiliary rafts (1.1) and at least more than one set of main rafts (1).
3. A wave energy electric power plant according to claim 1, characterized in that:
the flywheel gear train (4) of the speed increaser, the flywheel (4.5) increases the rotation speed of a grooved pulley (5.2) of the one-way conversion machine (5), the flywheel (4.1) stabilizes the system speed and adjusts the power balance of the system, and the coupling (4.4) drives the generator (3) to realize stable power generation.
4. A wave energy electric power plant according to claim 1, characterized in that:
the tooth directions of an A rack (5.3 a) and a B rack (5.3B) of the one-way conversion machine (5) are mutually reversed to form concentric arcs and are respectively assembled on two sides of the periphery of a grooved wheel (5.2), a groove claw (5.1) is kidney-shaped and is assembled in a groove of the grooved wheel (5.2), a spring is assembled in the groove to enable the groove claw (5.1) to be opened, and the opening directions of the groove claws (5.1) in the diameter direction of the grooved wheel (5.2) are opposite.
CN202010239944.XA 2020-03-31 2020-03-31 Wave energy power generation device Pending CN111237119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010239944.XA CN111237119A (en) 2020-03-31 2020-03-31 Wave energy power generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010239944.XA CN111237119A (en) 2020-03-31 2020-03-31 Wave energy power generation device

Publications (1)

Publication Number Publication Date
CN111237119A true CN111237119A (en) 2020-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010239944.XA Pending CN111237119A (en) 2020-03-31 2020-03-31 Wave energy power generation device

Country Status (1)

Country Link
CN (1) CN111237119A (en)

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