CN112360669A - Power generation wave-absorbing dike for fence cultivation - Google Patents

Power generation wave-absorbing dike for fence cultivation Download PDF

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Publication number
CN112360669A
CN112360669A CN202011050450.3A CN202011050450A CN112360669A CN 112360669 A CN112360669 A CN 112360669A CN 202011050450 A CN202011050450 A CN 202011050450A CN 112360669 A CN112360669 A CN 112360669A
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CN
China
Prior art keywords
impeller
breakwater
wave
sleeve
water
Prior art date
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Granted
Application number
CN202011050450.3A
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Chinese (zh)
Other versions
CN112360669B (en
Inventor
张成林
吴凡
张宇雷
张业韡
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Fishery Machinery and Instrument Research Institute of CAFS
Qingdao National Laboratory for Marine Science and Technology Development Center
Original Assignee
Fishery Machinery and Instrument Research Institute of CAFS
Qingdao National Laboratory for Marine Science and Technology Development Center
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Application filed by Fishery Machinery and Instrument Research Institute of CAFS, Qingdao National Laboratory for Marine Science and Technology Development Center filed Critical Fishery Machinery and Instrument Research Institute of CAFS
Priority to CN202011050450.3A priority Critical patent/CN112360669B/en
Publication of CN112360669A publication Critical patent/CN112360669A/en
Application granted granted Critical
Publication of CN112360669B publication Critical patent/CN112360669B/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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/08—Tide or wave power plants
    • 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
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • F03B1/02—Buckets; Bucket-carrying rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1846—Rotary generators structurally associated with wheels or associated parts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

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

Abstract

The invention discloses a power generation wave-absorbing dike for fence culture, which comprises: the wave breaker main body is internally provided with an accommodating cavity; a hydraulic impeller located in the accommodating chamber and rotated by water flow impacting into the accommodating chamber; a plurality of bucket-shaped blades are arranged on the hydraulic impeller at intervals in the circumferential direction; the wave-absorbing breakwater comprises a breakwater main body and is characterized in that a wave-facing surface of the breakwater main body is provided with a first water inlet which is communicated with the containing cavity and pushes the hydraulic impeller to rotate under the impact of inflowing water flow, and the breakwater main body is also provided with a water outlet which is communicated with the containing cavity. The wave that strikes the wave bank main part generates electricity to keep out the wave and encroach on the impact of rail cultivation region, not only can carry out the protection of storm wave to rail cultivation region, can utilize the wave to strike high-efficient environmental protection sustainable production electric energy moreover, utilize the storage electric energy, supply power to rail cultivation equipment nearby, realize the energy supply for equipment such as real time monitoring quality of water.

Description

Power generation wave-absorbing dike for fence cultivation
Technical Field
The invention belongs to the technical field of fence cultivation, and particularly relates to a power generation wave-absorbing dike for fence cultivation.
Background
With the rapid development of social economy in China, the total demand of people on aquatic products is increased rapidly. Fence culture is one of the important modes of aquaculture in China, is a large-scale and intensive efficient culture mode for realizing healthy, high-quality and high-yield fish, and has profound significance for expanding the development space of aquaculture, improving the quality of aquaculture products, promoting the healthy development of aquaculture and the like.
Although the fence culture has great advantages, the marine environment is complex and changeable, particularly the sea has huge storms, so that the damage of facilities in a culture area and the damage of aquatic products such as cultured fishes to yield are reduced. Moreover, in recent years, the ocean pollution is increasingly serious, the water quality pollution is devastating striking to aquatic product culture, the water quality change is monitored in real time, and a countermeasure is taken in time, so that the method is an effective measure for protecting the culture industry. However, measures such as monitoring water quality require energy, aquaculture areas are far away from shore-based supply, and power supply for equipment far from shore is high in cost.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
The invention provides a power generation wave-absorbing dike for fence cultivation, aiming at the problems in the prior art, which can not only protect a fence cultivation area from wind and waves, but also efficiently, environmentally and sustainably generate electric energy by using wave impact, and supply power to fence cultivation equipment nearby by using stored electric energy so as to realize energy supply for equipment for monitoring water quality and the like in real time.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a power generating breakwater for fence farming comprising:
the wave breaker main body is internally provided with an accommodating cavity;
a hydraulic impeller located in the accommodating chamber and rotated by water flow impacting into the accommodating chamber;
a generator that generates electricity by using rotation of the water impeller;
a plurality of bucket-shaped blades are arranged on the hydraulic impeller at intervals in the circumferential direction; the wave-absorbing breakwater comprises a breakwater main body and is characterized in that a wave-facing surface of the breakwater main body is provided with a first water inlet which is communicated with the containing cavity and pushes the hydraulic impeller to rotate under the impact of inflowing water flow, and the breakwater main body is also provided with a water outlet which is communicated with the containing cavity.
Furthermore, a second water inlet which is communicated with the containing cavity and through which inflowing water flows into the bucket-shaped blade and pushes the hydraulic impeller to rotate is formed in the top surface of the breakwater main body.
Furthermore, the water flow from the first water inlet and the water flow from the second water inlet push the hydraulic impeller to rotate in the same direction.
Furthermore, the back surface of the breakwater main body is provided with the water outlet communicated with the accommodating cavity.
Furthermore, the first water inlet is long-strip-shaped, and the length direction of the first water inlet is parallel to the axial direction of the hydraulic impeller.
Furthermore, the hydraulic impeller is provided with an impeller shaft and a plurality of impeller units sleeved on the impeller shaft, the impeller units are arranged in the axial direction of the hydraulic impeller, and a plurality of bucket-shaped blades are arranged at intervals in the circumferential direction of the impeller units.
Furthermore, the impeller unit is provided with an impeller sleeve sleeved on the impeller shaft, a plurality of blade rods circumferentially arranged on the impeller sleeve at intervals, and bucket-shaped blades located at the outer ends of the blade rods.
Further, a shaft sleeve matched with the impeller unit is fixedly arranged on the impeller shaft, the impeller unit is provided with an impeller sleeve which is rotatably sleeved on the shaft sleeve, and a ratchet wheel structure capable of realizing unidirectional locking of the shaft sleeve and the impeller sleeve is arranged between the shaft sleeve and the impeller sleeve.
Furthermore, the ratchet structure is provided with a plurality of circumferentially arranged ratchet grooves arranged on the inner side of the impeller sleeve and a ratchet claw which is hinged on the shaft sleeve and matched with the ratchet grooves.
Furthermore, a plurality of shaft sleeves matched with the impeller units are arranged on the impeller shaft, and the ratchet pawl is arranged on the axial end face of each shaft sleeve.
Further, the impeller shaft is directly connected with the main shaft of the generator or connected with the main shaft of the generator through a gear set.
Furthermore, the wave breaker main body is a square body with a notch, the wave breaker main body is provided with a top surface, a bottom surface, a front surface, a back surface and two side surfaces, the notch surrounded by arc surfaces is arranged between the top surface and the front surface, and the front surface and the arc surfaces are wave-facing surfaces.
Furthermore, a solar power generation panel is arranged on the top surface of the breakwater main body.
Compared with the prior art, the invention has the advantages and positive effects that: the wave that strikes the wave bank main part generates electricity to keep out the wave and encroach on the impact of rail cultivation region, not only can carry out the protection of storm wave to rail cultivation region, can utilize the wave to strike high-efficient environmental protection sustainable production electric energy moreover, utilize the storage electric energy, supply power to rail cultivation equipment nearby, realize the energy supply for equipment such as real time monitoring quality of water.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without making a creative effort.
FIG. 1 is a schematic structural diagram of an embodiment of the power generation breakwater for fence cultivation according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural diagram of a breakwater body;
FIG. 4 is a schematic diagram of a configuration of a hydro-impeller and a generator;
FIG. 5 is an enlarged schematic view of region A in FIG. 4;
FIG. 6 is a schematic front view of the structure of FIG. 4;
fig. 7 is a schematic sectional view along the direction B-B in fig. 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and the directions near the axis of the hydraulic impeller are "inner", and vice versa. The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-7, an embodiment of the power generation breakwater for fence cultivation according to the present invention is a power generation breakwater for fence cultivation for protecting a fence cultivation area from wave impact, and the power generation breakwater includes: the wave breaker comprises a wave breaker main body 10, a hydraulic impeller 20 and a generator 30, wherein the wave breaker main body 10 is arranged on one side of a fence culture area close to the sea and used for stopping the impact of sea waves and realizing power generation, and a containing cavity 11 is formed in the wave breaker main body 10; the water power impeller 20 is located in the accommodating cavity 11, and the water power impeller 20 rotates by using water flow impacting the accommodating cavity 11, so as to drive the generator 30 to generate electricity. The wave that strikes wave bank main part 10 generates electricity to keep out the wave and encroach on the impact of rail cultivation region, not only can carry out the protection of storm wave to rail cultivation region, can utilize the wave to strike high-efficient environmental protection sustainable production electric energy moreover, utilize the storage electric energy, supply power to rail cultivation equipment nearby, realize the energy supply for equipment such as real time monitoring quality of water.
Referring to fig. 3, the breakwater body 10 is a square body with a notch, the breakwater body 10 has a top surface 12, a bottom surface, a front surface 13, a back surface and two side surfaces 14, a notch surrounded by an arc surface 15 is arranged between the top surface 12 and the front surface 13, and the front surface 13 and the arc surface 15 are wave-facing surfaces 16.
As shown in fig. 4-7, the hydro-impeller 20 is provided with a plurality of bucket-shaped blades 221 arranged at intervals in the circumferential direction; a first water inlet 161 communicated with the accommodating cavity 11 is formed in the wave-facing surface 16 of the wave breaker main body 10, and water flowing into the first water inlet 161 impacts and pushes the hydraulic impeller 20 to rotate, so that the generator 30 is driven to rotate to generate electricity; the breakwater main body 10 is further provided with a water outlet 171 communicated with the accommodating cavity 11 for discharging water flowing into the accommodating cavity 11. The sea waves impact the wave-facing surface 16 of the breakwater body 10, and the water flowing into the first water inlet 161 impacts the bucket-shaped blades 221 by forming the first water inlet 161 on the wave-facing surface 16.
The first water inlet 161 may be disposed on the front surface 13, or may be opened on the arc surface 15, and preferably, the first water inlet 161 is opened on the front surface 13. The first water inlet 161 is a strip-shaped opening arranged in the left-right direction, and the length direction of the first water inlet 161 is parallel to the axial direction of the hydraulic impeller 20. The first water inlet 161 is lower than the axis of the hydraulic impeller 20, that is, the water flowing in from the first water inlet 161 impacts the bucket-shaped blade 221 on the lower side of the axis of the hydraulic impeller 20, so that the bucket-shaped blade 221 on the lower side rotates backwards, and the hydraulic impeller 20 rotates counterclockwise when viewed from the right side, and rotates forward at this time.
A second water inlet 121 is formed in the top surface 12 of the breakwater body 10, and the water flowing in from the second water inlet 121 pushes the water impeller 20 to rotate. The sea waves impact the wave-facing surface 16, a part of water flow flows into the first water inlet 161, and the water flow impacts the bucket-shaped blades 221 positioned on the lower side of the hydraulic impeller 20 to drive the hydraulic impeller 20 to rotate; when the sea waves are too large, the sea waves cross the breakwater main body 10 along the arc-shaped surface 15 and reach the top surface 12; seawater flows into the accommodating cavity 11 from the second water inlet 121 on the top surface 12, water flow flowing into the second water inlet 121 with the opening on the top surface 12 flows into the bucket-shaped blades 221, the impact force of sea waves impacting the top surface 12 to the back is small, and the hydraulic impeller 20 is pushed to rotate mainly by the downward impact force of the water flow impacting the bucket-shaped blades 221 and the gravity of water gathered in the bucket-shaped blades 221.
The water flow from the first water inlet 161 and the water flow from the second water inlet 121 push the hydraulic impeller to rotate in the same direction. The second water inlet 121 is a long strip shape arranged parallel to the axis of the hydraulic impeller 20, and the second water inlet 121 is opened in front of the axis of the hydraulic impeller 20, so that water flowing into the second water inlet 121 impacts the bucket-shaped blade 221 located at the front side of the axis of the hydraulic impeller 20, and the bucket-shaped blade 221 at the front side rotates downward.
The back surface of the breakwater main body 10 is provided with the water outlet communicated with the accommodating cavity 11, and the water outlet is used for discharging water flowing out of the accommodating cavity 11.
Because the sea waves are irregular and discontinuous, the size of the wave breaker main body 10 in the axial direction of the hydraulic impeller 20 is longer, the sea waves do not impact the whole area of the wave breaker main body 10 at the same time when impacting, namely, the water flow can only impact the part of the axial direction of the hydraulic impeller 20, if the whole impeller is used, the impeller has large moment of inertia, uneven stress, large loss and low power generation efficiency.
The hydraulic impeller 20 has an impeller shaft 21 and a plurality of impeller units 22 fitted around the impeller shaft 21, the plurality of impeller units 22 are arranged in the axial direction of the hydraulic impeller 20, and a plurality of bucket-shaped blades 221 are provided at intervals in the circumferential direction of the impeller units 22. That is, a plurality of impeller units 22 are arranged in the axial direction such that, when waves strike, the struck impeller units 22 rotate; the impeller unit 22 is small in size, flexible in rotation and even in stress, and the power generation efficiency is improved.
Referring to fig. 5 and 7, the impeller unit 22 has an impeller sleeve 222 fitted over the impeller shaft 21, a plurality of blade bars 223 circumferentially spaced on the impeller sleeve 222, and bucket-shaped blades 221 located at outer ends of the blade bars 223; the bucket-shaped blades 221 are bucket-shaped and can accommodate water flow, and the arrangement of the blade rods 223 is beneficial to increasing the distance between the bucket-shaped blades 221 and the impeller sleeve 222, so that the moment of impulsive force or gravity acting on the bucket-shaped blades 221 is large, and the rotation of the hydraulic impeller 20 is facilitated to be pushed.
In order to realize the unidirectional sectional transmission of the hydraulic impeller 20, a shaft sleeve 211 matched with the impeller unit 22 is fixedly arranged on the impeller shaft 21, a ratchet structure capable of realizing unidirectional locking of the shaft sleeve 211 and the impeller sleeve 222 is arranged between the shaft sleeve 211 and the impeller sleeve 222, and by arranging the ratchet structure, when the impeller unit 22 impacted by sea waves rotates, the shaft sleeve 211 and the impeller sleeve 222 are locked by the ratchet structure, so that the impeller unit 22 drives the impeller shaft 21 to rotate; at this time, the impeller unit 22 which is not impacted by the sea wave does not rotate, that is, when the impeller shaft 21 rotates, some impeller units 22 may not rotate, or the rotation speeds of a plurality of impeller units 22 are different, so that the impeller shaft 2 and some impeller units 22 rotate relatively, that is, the ratchet structure makes the locking sleeve 211 and the impeller sleeve 222 not locked.
Specifically, the ratchet structure has a plurality of circumferentially arranged ratchet grooves 224 opened inside the impeller sleeve 222, and a ratchet pawl 212 hingedly disposed on the hub 211, the ratchet pawl 212 matching with the ratchet grooves 211. When the impeller unit 22 is driven to rotate in the forward direction by the water flow, the ratchet pawl 212 is located in the ratchet groove 224, so that the shaft sleeve 211 and the impeller sleeve 222 are locked, and the impeller unit 22 drives the impeller shaft 21 to rotate; when the impeller shaft 21 rotates at a higher speed than a part of the impeller unit 22, the ratchet structure does not play a locking role at this time, so that the impeller shaft 21 and the impeller unit 22 rotate relatively.
A plurality of bosses 211 are provided on the impeller shaft 21 to match the impeller unit 21, and ratchet pawls 212 are provided on axial end faces of the bosses 211. The rotation of the impeller shaft 21 drives the generator 30 to generate electricity, and the impeller shaft 21 is connected to the main shaft of the generator 20 directly or through a gear train.
The top surface 12 of the breakwater main body 10 is provided with a solar power generation panel to realize comprehensive power generation of water power and solar energy so as to deal with power generation conditions of different weathers.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. A power generating breakwater for fence farming, comprising:
the wave breaker main body is internally provided with an accommodating cavity;
a hydraulic impeller located in the accommodating chamber and rotated by water flow impacting into the accommodating chamber;
a generator that generates electricity by using rotation of the water impeller;
a plurality of bucket-shaped blades are arranged on the hydraulic impeller at intervals in the circumferential direction; the wave-absorbing breakwater comprises a breakwater main body and is characterized in that a wave-facing surface of the breakwater main body is provided with a first water inlet which is communicated with the containing cavity and pushes the hydraulic impeller to rotate under the impact of inflowing water flow, and the breakwater main body is also provided with a water outlet which is communicated with the containing cavity.
2. The power generation breakwater of claim 1, wherein a second water inlet which is communicated with the accommodating cavity and through which inflowing water flows into the bucket-shaped blades and pushes the hydraulic impeller to rotate is formed in the top surface of the breakwater body.
3. The power generating breakwater of claim 2, wherein the water flowing into the first water inlet and the water flowing into the second water inlet push the hydraulic impeller to rotate in the same direction.
4. The power generation breakwater according to claim 1, wherein the hydraulic impeller comprises an impeller shaft and a plurality of impeller units sleeved on the impeller shaft, the impeller units are arranged in an axial direction of the hydraulic impeller, and a plurality of bucket-shaped blades are arranged at intervals in the circumferential direction of the impeller units.
5. The power generation breakwater of claim 4, wherein the impeller unit comprises an impeller sleeve sleeved on the impeller shaft, a plurality of blade rods circumferentially arranged on the impeller sleeve at intervals, and bucket-shaped blades arranged at outer ends of the blade rods.
6. The power generation breakwater according to claim 1, wherein a shaft sleeve matched with the impeller unit is fixedly arranged on the impeller shaft, the impeller unit is provided with an impeller sleeve which is rotatably sleeved on the shaft sleeve, and a ratchet structure capable of locking the shaft sleeve and the impeller sleeve in a one-way mode is arranged between the shaft sleeve and the impeller sleeve.
7. The power generating breakwater of claim 6, wherein the ratchet structure has a plurality of circumferentially arranged ratchet grooves opened inside the impeller sleeve, and ratchet claws hingedly arranged on the sleeve and matching with the ratchet grooves.
8. The power generation breakwater according to claim 7, wherein a plurality of bushings matched with the impeller units are arranged on the impeller shaft, and the ratchet pawls are arranged on axial end faces of the bushings.
9. The power generating breakwater according to any one of claims 1 to 8, wherein the breakwater body is a square body with a notch, the breakwater body has a top surface, a bottom surface, a front surface, a back surface and two side surfaces, a notch surrounded by arc-shaped surfaces is arranged between the top surface and the front surface, and the front surface and the arc-shaped surfaces are wave-facing surfaces.
10. The power generating breakwater according to any one of claims 1 to 8, wherein a solar power generation panel is provided on the top surface of the breakwater body.
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