CN109236542B - High-efficiency wave energy acquisition device and assembly - Google Patents
High-efficiency wave energy acquisition device and assembly Download PDFInfo
- Publication number
- CN109236542B CN109236542B CN201811405643.9A CN201811405643A CN109236542B CN 109236542 B CN109236542 B CN 109236542B CN 201811405643 A CN201811405643 A CN 201811405643A CN 109236542 B CN109236542 B CN 109236542B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- wave energy
- hard cylinder
- energy collecting
- collecting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
Landscapes
- 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 relates to a high-efficiency wave energy acquisition device, which mainly comprises a front hard cylinder, a rear hard cylinder, a connecting cylinder and a soft cylinder; the connecting cylinder is positioned between the front hard cylinder and the rear hard cylinder, the front hard cylinder is connected with the connecting cylinder through a soft cylinder, the rear hard cylinder is connected with the connecting cylinder through a soft cylinder, and an energy collecting device is arranged in the connecting cylinder; the front end of the front hard cylinder is provided with a conical arc body, and the rear end of the rear hard cylinder is provided with a rudder; an inlet and outlet joint of the energy collecting device is arranged at the top of the connecting cylinder. The device adopts the connection structure of two sections of hard drums, can effectively reduce the shortcoming that a plurality of hard drums connect in series and connect energy offset, can more efficient collection wave energy, the maintenance of being convenient for simultaneously.
Description
Technical Field
The invention relates to a high-efficiency wave energy collection device and an assembly, and belongs to the field of wave energy collection.
Background
With new energy becoming a focus of attention, ocean energy power generation technology attracts attention by its unique advantages and strategic positions, and the development and utilization of ocean are currently generally paid attention to by major ocean countries in the world. Wave energy refers to kinetic energy and potential energy of ocean surface waves, and wave energy is the most unstable energy source in ocean energy sources, but wave energy is huge and widely available, so that people who are coastal energy skillfully drawn from ancient times want to try to drive sea waves for people. The existing wave energy device for collecting wave energy and converting the wave energy into electric energy or other forms of energy has the defects of being arranged on the shore and floating in the sea, but the existing wave energy device floating in the sea has the defects of high cost, low collection efficiency, low structural strength, damage, limited application range and the like, and is not overturned by strong wind and waves.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-efficiency wave energy collecting device, which adopts a connecting structure of two sections of hard cylinders, can effectively reduce the defect of energy offset caused by serial connection of a plurality of hard cylinders, can collect wave energy more efficiently, and is convenient to maintain.
In order to solve the problems, the specific technical scheme of the invention is as follows: the high-efficiency wave energy acquisition device mainly comprises a front hard cylinder, a rear hard cylinder, a connecting cylinder and a soft cylinder; the connecting cylinder is positioned between the front hard cylinder and the rear hard cylinder, the front hard cylinder is connected with the connecting cylinder through a soft cylinder, the rear hard cylinder is connected with the connecting cylinder through a soft cylinder, and an energy collecting device is arranged in the connecting cylinder; the front end of the front hard cylinder is provided with a conical arc body, and the rear end of the rear hard cylinder is provided with a rudder; an inlet and outlet joint of the energy collecting device is arranged at the top of the connecting cylinder.
The energy collection device structure is as follows: the connecting cylinder is internally provided with a reinforcing sleeve, four cylinder bodies are circumferentially and uniformly distributed in the axial direction of the reinforcing sleeve, piston rods are matched in the cylinder bodies, and two adjacent piston rods are reversely arranged; the two ends of the reinforcing sleeve are symmetrically provided with connecting struts respectively, the ends of the connecting struts are connected with the two ends of a lever shaft through bearings, the different surfaces of the lever shafts at the two ends are vertical, a flange plate is connected to the lever shaft, two universal joints are connected to the flange plate, the connecting line of the two universal joints is vertical to the lever shaft at the corresponding position, and each universal joint is connected with a piston rod at the corresponding position; the inner cavities of each cylinder body are parallel and connected with the inlet and outlet connectors.
The bottoms of the front hard cylinder and the rear hard cylinder are respectively provided with a direction control plate.
The two sides of the conical arc body are symmetrically provided with three guide rib plates, and each two adjacent guide rib plates form a guide groove which is bent downwards.
The diameters of the front hard cylinder and the rear hard cylinder are equal, the diameters are smaller than or equal to 6N, and N is the lowest wave height value of seawater in one year.
The front hard cylinder or the rear hard cylinder is internally provided with an air-water dual-purpose pump, the front hard cylinder and the rear hard cylinder are respectively provided with an air bag, and the two air bags are connected in series and then are connected with the air-water dual-purpose pump; an air inlet and outlet pipe is arranged on the front hard cylinder, one end of the air inlet and outlet pipe is communicated with the front hard cylinder, the other end of the air inlet and outlet pipe is provided with an electromagnetic valve, and the outside of the electromagnetic valve wraps the floating block; the air-water dual-purpose pump and the electromagnetic valve are respectively connected with the control system.
The utility model provides a high-efficient wave energy collection system assembly which characterized in that: the plurality of high-efficiency wave energy collecting devices are arranged in parallel, a connecting ring is arranged at the front end part of each high-efficiency wave energy collecting device, and each connecting ring is connected with the central rotating column through a traction rope; the head and the tail of each two adjacent high-efficiency wave energy collecting devices are respectively connected in parallel through a chain; the inlet and outlet connectors of each high-efficiency wave energy collecting device are respectively connected with two check valves with opposite directions, the output pipe of the hydraulic container at the far end is respectively connected with the check valve of the input direction of the high-efficiency wave energy collecting device, and the initial end part of the output pipe is provided with a filter; the input pipe of the far-end hydraulic container is respectively connected with a one-way valve of the output direction of the high-efficiency wave energy collecting device, and the end part of the input pipe is provided with a one-way hydraulic motor.
The high-efficiency wave energy collecting device directly adopts a two-section hard cylinder structure, and the postures of the two hard cylinders are continuously changed through the fluctuation of waves, so that energy is collected in the energy collecting device and transmitted out through the inlet and outlet connectors.
The energy collecting device adopts four cylinder structures, the flange is continuously swung by the hard cylinders at the two ends, the flange rotates by the rotating shaft of the lever shaft to drive the piston rod to operate in the cylinder, so that the liquid in the pipeline is circularly input and output, and the output of energy is realized.
The bottoms of the front hard cylinder and the rear hard cylinder are respectively provided with a direction control plate, and the front hard cylinder and the rear hard cylinder are always positioned on the same straight line under the control of waves.
The conical arc body is provided with the diversion ribs to form diversion trenches, so that the diversion trenches are fluctuated up and down under the action of waves, and the resistance of the waves is reduced.
The diameters of the front hard cylinder and the rear hard cylinder are further limited, so that the high-efficiency wave energy collecting device is always located in a wave zone and does not intersect with a ocean current zone, and therefore wave energy is effectively collected.
The front hard cylinder or the rear hard cylinder is internally provided with a steam-water dual-purpose pump which is connected in series with the air bags, when the blast sea is encountered, the control system opens the steam-water dual-purpose pump and the electromagnetic valve, the steam-water dual-purpose pump fills seawater into the two air bags, and air in the cavity is discharged through the opened electromagnetic valve, so that the wave energy collecting device sinks to a depth of less than 6 times n, and the safety performance of the whole equipment is ensured; after the sea wave calms, the control system starts the air-water dual-purpose pump to discharge the sea water in the two air bags, and simultaneously the electromagnetic valve is started to charge air into the inner cavity under the action of atmospheric pressure, so that the wave energy collecting device floats on the sea surface again.
The high-efficiency wave energy collection device assembly adopts a structure that a plurality of high-efficiency wave energy collection devices are connected in parallel by using chains, each energy collection device is connected in parallel, and meanwhile, the liquid inlet and outlet functions of the same inlet and outlet connector can be realized by using two one-way valves in different directions. If a single high-efficiency wave energy collecting device is damaged, the device can be replaced singly, and is convenient to maintain.
Drawings
Fig. 1 is a front view of a high efficiency wave energy harvesting apparatus.
Fig. 2 is a schematic diagram of an energy concentrating device.
Fig. 3 is a cross-sectional view of an energy harvesting device.
FIG. 4 is a schematic diagram of the relationship between the diameter of a high efficiency wave energy harvester and the wave height.
Fig. 5 is a perspective view of a high efficiency wave energy harvester assembly.
Fig. 6 is a schematic diagram of a hydraulic system of the high efficiency wave energy harvester assembly.
Detailed Description
As shown in fig. 1 and 2, a high-efficiency wave energy collecting device mainly comprises a front hard cylinder 1, a rear hard cylinder 2, a connecting cylinder 3 and a soft cylinder 4; the connecting cylinder 3 is positioned between the front hard cylinder 1 and the rear hard cylinder 2, the front hard cylinder 1 is connected with the connecting cylinder 3 through a soft cylinder 4, the rear hard cylinder 2 is connected with the connecting cylinder 3 through the soft cylinder 4, and an energy collecting device is arranged in the connecting cylinder 3; the front end of the front hard cylinder 1 is provided with a conical arc body 5, and the rear end of the rear hard cylinder 2 is provided with a rudder 6; an inlet and outlet joint 8 of the energy collecting device is arranged at the top of the connecting cylinder 3; the bottoms of the front hard cylinder 1 and the rear hard cylinder 2 are respectively provided with a direction control plate 7; the two sides of the conical arc body 5 are symmetrically provided with three guide rib plates 9, and each two adjacent guide rib plates 9 form a bent downward guide groove. Under the integral action of the rudder 6, the direction control plate 7 and the flow guide edge plate 9, the high-efficiency wave energy collecting device can automatically master the direction and is always vertical to the wave direction.
As shown in fig. 2, the energy collecting device has the following structure: a reinforcing sleeve 21 is arranged in the connecting cylinder 3, four cylinder bodies 22 are uniformly distributed on the circumference of the axis direction of the reinforcing sleeve 21, piston rods 23 are matched in the cylinder bodies 22, and two adjacent piston rods 23 are reversely arranged; the two ends of the reinforcing sleeve 21 are symmetrically provided with connecting struts 25 respectively, the end parts of the connecting struts 25 are connected with the two ends of a lever shaft 26 through bearings, the different surfaces of the lever shaft 26 at the two ends are vertical, a flange plate 24 is connected on the lever shaft 26, two universal joints 27 are connected on the flange plate 24, the connecting line of the two universal joints 27 is vertical to the lever shaft 26 at the corresponding position, and each universal joint 27 is connected with a piston rod 23 at the corresponding position; the inner cavities of each cylinder 22 are juxtaposed and connected with the inlet and outlet joints 8.
As shown in FIG. 3, the diameters of the front hard cylinder 1 and the rear hard cylinder 2 are equal, and the diameters are less than or equal to 6N, wherein N is the lowest wave height value of seawater in one year.
As shown in fig. 4 and 5, in an efficient wave energy collection device assembly, a plurality of efficient wave energy collection devices are arranged in parallel, a connecting ring 16 is arranged at the front end part of each efficient wave energy collection device, and each connecting ring 16 is connected with a central rotating column 11 through a traction rope 10; the head and tail of each two adjacent high-efficiency wave energy collecting devices are respectively connected in parallel at equal intervals through the chain 12, and the chain can be in quick-change connection with the corresponding position, so that the installation and the maintenance are convenient; the inlet and outlet connectors 8 of each high-efficiency wave energy collecting device are respectively connected with two check valves 13 with opposite directions, the output pipe of the hydraulic container at the far end is respectively connected with the check valve 13 with the input direction of the high-efficiency wave energy collecting device, and the initial end part of the output pipe is provided with a filter 14; the input pipe of the far-end hydraulic container is respectively connected with a one-way valve 13 in the output direction of the high-efficiency wave energy collecting device, and the end part of the input pipe is provided with a one-way hydraulic motor 15.
When the efficient wave energy collection device assembly works, the axis of the efficient wave energy collection device is always vertical to the advancing direction of waves under the action of the direction control plate 7 and the rudder 6, the front hard cylinder 1 and the rear hard cylinder 2 are driven by waves to swing up and down respectively, the flange 24 rotates by the lever shaft 26, the piston rod 23 is pushed or pulled by the universal joint 27, the cavity in the cylinder 22 is reduced or increased, and when the cavity is reduced, liquid in the cavity passes through the one-way valve 13 in the output direction and rotates by the one-way hydraulic motor connected with the liquid through the input pipe to generate rotary power; when the cavity of the cylinder 22 is increased, the liquid passes through the filter 14 and the output pipeline, and then enters the inner cavity of the cylinder 22 through the one-way valve 13 in the input direction; the liquid thus repeatedly forms a circuit, which enables the unidirectional hydraulic motor 15 to operate, thereby effecting the conversion of wave energy into rotational kinetic energy.
Claims (4)
1. The utility model provides a high-efficient wave energy collection system assembly which characterized in that: the device is formed by arranging a plurality of high-efficiency wave energy collecting devices in parallel, a connecting ring (16) is arranged at the front end part of each high-efficiency wave energy collecting device, and each connecting ring (16) is connected with a central rotating column (11) through a traction rope (10) respectively; the head and the tail of each two adjacent high-efficiency wave energy collecting devices are respectively connected in parallel through a chain (12); the inlet and outlet connectors (8) of each high-efficiency wave energy collecting device are respectively connected with two check valves (13) with opposite directions, the output pipe of the hydraulic container at the far end is respectively connected with the check valve (13) with the input direction of the high-efficiency wave energy collecting device, and the initial end part of the output pipe is provided with a filter (14); the input pipe of the far-end hydraulic container is respectively connected with a one-way valve (13) of the output direction of the high-efficiency wave energy acquisition device, and the end part of the input pipe is provided with a one-way hydraulic motor (15);
the high-efficiency wave energy collecting device comprises the following structure: comprises a front hard cylinder (1), a rear hard cylinder (2), a connecting cylinder (3) and a soft cylinder (4); the connecting cylinder (3) is positioned between the front hard cylinder (1) and the rear hard cylinder (2), the front hard cylinder (1) is connected with the connecting cylinder (3) through a soft cylinder (4), the rear hard cylinder (2) is connected with the connecting cylinder (3) through the soft cylinder (4), and an energy collecting device is arranged in the connecting cylinder (3); the front end of the front hard cylinder (1) is provided with a conical arc body (5), and the rear end of the rear hard cylinder (2) is provided with a rudder (6); the bottoms of the front hard cylinder (1) and the rear hard cylinder (2) are respectively provided with a direction control plate (7); an inlet and outlet joint (8) of the energy collecting device is arranged at the top of the connecting cylinder (3); an air-water dual-purpose pump (17) is arranged in the front hard cylinder (1) or the rear hard cylinder (2), air bags (18) are respectively arranged in the front hard cylinder (1) and the rear hard cylinder (2), and the two air bags (18) are connected in series and then are connected with the air-water dual-purpose pump (17); an air inlet and outlet pipe (19) is arranged on the front hard cylinder (1), one end of the air inlet and outlet pipe (19) is communicated with the front hard cylinder (1), the other end of the air inlet and outlet pipe is provided with an electromagnetic valve (20), and a floating block (28) is wrapped outside the electromagnetic valve (20); the air-water dual-purpose pump (17) and the electromagnetic valve (20) are respectively connected with the control system.
2. The efficient wave energy harvesting apparatus assembly of claim 1, wherein: the energy collection device structure is as follows: a reinforcing sleeve (21) is arranged in the connecting cylinder (3), four cylinder bodies (22) are circumferentially and uniformly distributed in the axial direction of the reinforcing sleeve (21), piston rods (23) are matched in the cylinder bodies (22), and two adjacent piston rods (23) are reversely arranged; connecting struts (25) are symmetrically arranged at two ends of the reinforcing sleeve (21), the ends of the connecting struts (25) are connected with two ends of a lever shaft (26) through bearings, the different surfaces of the lever shafts (26) at the two ends are vertical, a flange plate (24) is connected to the lever shaft (26), two universal joints (27) are connected to the flange plate (24), the connecting lines of the two universal joints (27) are vertical to the lever shaft (26) at the corresponding position, and each universal joint (27) is connected with a piston rod (23) at the corresponding position; the inner cavities of the cylinders (22) are arranged in parallel and are connected with the inlet and outlet connectors (8).
3. The efficient wave energy harvesting apparatus assembly of claim 1, wherein: the two sides of the conical arc body (5) are symmetrically provided with three diversion ribs (9), and every two adjacent diversion ribs (9) form a diversion trench with downward bending.
4. The efficient wave energy harvesting apparatus assembly of claim 1, wherein: the diameters of the front hard cylinder (1) and the rear hard cylinder (2) are equal, the diameters are smaller than or equal to 6N, and N is the lowest wave height value of seawater in one year.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405643.9A CN109236542B (en) | 2018-11-23 | 2018-11-23 | High-efficiency wave energy acquisition device and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405643.9A CN109236542B (en) | 2018-11-23 | 2018-11-23 | High-efficiency wave energy acquisition device and assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109236542A CN109236542A (en) | 2019-01-18 |
| CN109236542B true CN109236542B (en) | 2023-09-22 |
Family
ID=65076382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811405643.9A Active CN109236542B (en) | 2018-11-23 | 2018-11-23 | High-efficiency wave energy acquisition device and assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109236542B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696905A (en) * | 2014-01-03 | 2014-04-02 | 三峡大学 | Polygonal floating wave power generation set |
| CN104179630A (en) * | 2014-08-19 | 2014-12-03 | 清华大学 | Output-adjustable raft type wave pump |
| CN105257466A (en) * | 2015-11-10 | 2016-01-20 | 盖争 | Flotation device for wave energy collection |
| CN105626364A (en) * | 2016-03-03 | 2016-06-01 | 高晔 | All-weather wave power generation system and application |
| CN106894942A (en) * | 2017-03-15 | 2017-06-27 | 陈文星 | Vertical hydraulic pump type wave-activated generator |
| CN209129780U (en) * | 2018-11-23 | 2019-07-19 | 盖争 | Highly effective wave energy acquisition device and assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010076617A2 (en) * | 2009-01-05 | 2010-07-08 | Dehlsen Associates, L.L.C. | Method and apparatus for converting ocean wave energy into electricity |
-
2018
- 2018-11-23 CN CN201811405643.9A patent/CN109236542B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103696905A (en) * | 2014-01-03 | 2014-04-02 | 三峡大学 | Polygonal floating wave power generation set |
| CN104179630A (en) * | 2014-08-19 | 2014-12-03 | 清华大学 | Output-adjustable raft type wave pump |
| CN105257466A (en) * | 2015-11-10 | 2016-01-20 | 盖争 | Flotation device for wave energy collection |
| CN105626364A (en) * | 2016-03-03 | 2016-06-01 | 高晔 | All-weather wave power generation system and application |
| CN106894942A (en) * | 2017-03-15 | 2017-06-27 | 陈文星 | Vertical hydraulic pump type wave-activated generator |
| CN209129780U (en) * | 2018-11-23 | 2019-07-19 | 盖争 | Highly effective wave energy acquisition device and assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109236542A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103277282B (en) | A kind of wave energy pump | |
| CN106640503B (en) | Three-degree-of-freedom six-branch-chain wave energy power generation device | |
| CN204371581U (en) | A kind of Multifunctional wind-driven pulsating pump | |
| CN203924022U (en) | A kind of floater draw-gear | |
| CN105065186B (en) | A kind of Wave energy converting device | |
| CN107445250B (en) | Tidal energy-gathering reverse osmosis seawater desalination system and method boosted by hydraulic ram | |
| CN109236542B (en) | High-efficiency wave energy acquisition device and assembly | |
| CN104265555B (en) | Float-chain type offshore Wave energy collecting device | |
| CN201723378U (en) | Wind-water combined generation device | |
| CN103953493A (en) | Python-shaped wave power generation device | |
| CN110195679B (en) | Ocean energy-gathering power generation device | |
| CN104806434B (en) | A kind of power generation with sea water system | |
| CN209647142U (en) | A kind of water conservancy and hydropower dredging pipe cleaning device | |
| CN2905922Y (en) | Spiral rolling type pipeline dredging machine | |
| CN203146201U (en) | Telescopic gathering pipeline for ocean current power generation | |
| CN105257466A (en) | Flotation device for wave energy collection | |
| CN102845275A (en) | Movable runoff floating-boat pump station | |
| CN209129780U (en) | Highly effective wave energy acquisition device and assembly | |
| CN203924018U (en) | A kind of semi-automatic water surface floating thing draw-gear | |
| CN103790768A (en) | Device for power generation by utilizing sea wave energy and cluster | |
| CN203756426U (en) | Python type wave power generation device | |
| CN203702447U (en) | Buoy sea wave power generator | |
| CN102661229A (en) | Electric generation environmental protection machine composed of column, quadrangular and floating ball geometrical body | |
| CN204436681U (en) | Efficient tube type hydroelectric power generating apparatus | |
| CN108167108B (en) | Wave energy and ocean current energy utilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |