CN101709683B - Jellyfish type wave energy utilization device - Google Patents
Jellyfish type wave energy utilization device Download PDFInfo
- Publication number
- CN101709683B CN101709683B CN2009102142218A CN200910214221A CN101709683B CN 101709683 B CN101709683 B CN 101709683B CN 2009102142218 A CN2009102142218 A CN 2009102142218A CN 200910214221 A CN200910214221 A CN 200910214221A CN 101709683 B CN101709683 B CN 101709683B
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- China
- Prior art keywords
- capsule
- structure thing
- piston type
- soft capsule
- barrel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention provides an offshore floating type wave energy utilization device which is convenient for popularization and application. The upper end of the device is a soft bag 1 with a larger volume, wherein the soft bag 1 is partially exposed out of water surface or is completely submerged; a hole reserved on the lower part of the soft bag 1 is connected with a pipeline 2; the tail end of the pipeline 2 is connected with a piston type bag 3; the function of the piston type bag 3 is similar to a hydraulic cylinder piston; the bottom of the piston type bag 3 acts on the upper end surface of a blocky floating structure 4; the lower end surface of the blocky floating structure 4 is connected with a secondary energy conversion mechanism 5 of the device; the piston type bag 3, the blocky floating structure 4 and the secondary energy conversion mechanism 5 are arranged in a tubby structure 6 to form a whole; symmetrically distributed floating bodies 7 are distributed on the outside of the tubby structure; and the bubby structure 6 is anchored on seafloor through an anchor chain 8. The upper end of the piston bag 3 is fixedly connected with the tubby structure 6. The device is convenient for assembly, reduces construction difficulty, ensures that the construction cost is greatly reduced, and provides a simple and quick way for developing the wave energy generating device.
Description
Technical field
The present invention relates to a kind of offshore floating-type wave energy utilized device.
Technical background
Various wave energy generating sets are arranged at present, and its reason all is to rely on the pressure reduction acting that produces in the wave motion process, converts wave energy to electric energy by energy conversion device.But, present wave energy generating set all exist complex structure, energy conversion efficiency low, be not easy to shortcomings such as maintenance, cost height, incompatibility large-scale promotion application.
Summary of the invention
The purpose of this invention is to provide a kind of offshore floating-type wave energy utilized device easy to utilize.
The main body of energy conversion device of the present invention is the cryptomere pump, and the jellyfish in the similar ocean of the profile of device is so be named as the jellyfish type wave energy utilized device.
The structure of apparatus of the present invention as shown in Figure 1, device upper end be the bigger soft capsule 1 of volume, soft capsule 1 part surfaces or all is submerged under water, but should not flood deeply, it is big more that soft capsule 1 is met wave width, the energy of device absorption wave is many more; Soft capsule 1 bottom perforate connecting pipeline 2; The pipeline 2 terminal piston type capsules 3 that connect, the effect of piston type capsule 3 is similar to hydraulic cylinder piston; The bottom of piston type capsule 3 acts on the upper-end surface of block float structure 4, the secondary energy transfer mechanism 5 of block float structure 4 lower end surface connection sets, and this mechanism can be linear electric motor or oil hydraulic cylinder etc.; Piston type capsule 3, block float structure 4, secondary energy transfer mechanism 5 all are installed in the barrel-like structure thing 6 and have a style of one's own; The buoyancy aid 7 of being furnished with symmetrical distribution on the barrel-like structure beyond the region of objective existence side; Barrel-like structure thing 6 passes through anchor chain 8 moorings in the seabed simultaneously.
The working principle of apparatus of the present invention is such: in the seabed, whole device is suspended among the ocean device or soft capsule 1 part is exposed the sea by the anchor chain mooring.When the soft capsule 1 of device upper end was submerged under the sea, the variation owing to wave height in the wave motion process can produce pressure difference.Soft capsule 1 periodically is subjected to the pressure that wave produces in the wave motion process, when wave is in the peak stage, the pressure that soft capsule 1 is subjected to is bigger, the water of dress is pressed towards piston capsule 3 by pipeline 2 in the soft capsule 1, piston capsule 3 overcomes the buoyancy that block float structure 4 provides, the piston capsule 3 that originally is in contraction state is extended under the effect of hydraulic pressure, promoting block float structure 4 moves downward, block float structure 4 promotes secondary energy transfer mechanism 5 motions of lower end, be about to wave energy and be converted to other forms of energy, this energy can be used for doing work or generating.Wave is in trough during the stage, the pressure that soft capsule 1 is subjected to diminishes, the pressure that the buoyancy that block float structure 4 provides produces greater than wave, promoting piston capsule 3 moves upward, water in the piston capsule 3 are back into soft capsule 1 by pipeline 2, for following one-period downward setting-out ready, meanwhile, the buoyancy pulling secondary energy transfer mechanism that block float structure 4 provides resets, for the acting of following one-period is got ready.When soft capsule 1 part surfaced, soft capsule 1 was subjected to wave height on the one hand and changes the variation in pressure that produces, the dynamic pressure that produced by wave stroke.
The technological points of apparatus of the present invention is: 1, soft capsule 1 part surfaces or more shallow being submerged under water, and device passes through the anchor chain mooring in the seabed.2, soft capsule 1 will have bigger volume, is subjected to the area of wave action big more, and the energy of acquisition is also big more.3, the buoyancy of block float structure 4 plays restoring force, but buoyancy can not be excessive, otherwise the underpressure that wave produces can not make piston capsule 3 move downward to overcome the buoyancy that block float structure 4 produces, and energy just can't be absorbed conversion.4, piston capsule 3 upper ends want with barrel-like structure thing 6 for fixedlying connected, otherwise its active force can't transmit downwards.
For improving the energy conversion efficiency and the stability under working conditions of apparatus of the present invention, apparatus of the present invention can structurally further be improved, as shown in Figure 2.1, soft capsule 1 bottom is increased by a platy structure thing 9, soft capsule 1 is fixed on the platy structure thing 9 by tightrope 10.2, barrel-like structure thing 6 bottoms increase the bigger platy structure thing 11 of an area, fix a platy structure 12 perpendicular to plate face and wave direct of travel on this platy structure thing 11.3, platy structure thing 9 is connected by rigidity frame 13 with two platy structure things about in the of 11, is solidified as a whole.
The critical piece capsule of apparatus of the present invention is simple in structure, do not have mechanical quality of fit, easy for installation, therefore reduced difficulty of construction, construction cost is significantly reduced, because device is submerged under the sea or fraction is exposed to the sea, it is hidden the storm ability and significantly improves, but long-time running and not being destroyed.
Apparatus of the present invention provide a simple and direct road for the exploitation wave energy generating set, and the successful Application of this device will help changing cheaply ocean wave energy.This contrive equipment using scope is wide, is expected to become a kind of showy formula wave energy apparatus of large-scale application.
Description of drawings
Fig. 1 is one of embodiment of the invention structural representation;
Fig. 2 is two of an embodiment of the invention structural representation;
Fig. 3 is a kind of project organization schematic representation of piston type capsule 3 of the present invention, and wherein a, b are respectively before the acting downwards of piston type capsule and the change of form schematic representation after the acting
Description of reference numerals: soft capsule 1, pipeline 2, piston type capsule 3, block float structure 4, secondary energy transfer mechanism 5, barrel-like structure thing 6, buoyancy aid 7, anchor chain 8, platy structure thing 9, tightrope 10, platy structure thing 11, platy structure 12, rigidity frame 13
Embodiment
Below in conjunction with drawings and Examples content of the present invention is described in further detail:
As shown in Figure 1, apparatus of the present invention upper ends be the bigger soft capsule 1 of volume, and soft capsule 1 part surfaces or all is submerged under water, but should not flood deeply, and it is big more that soft capsule 1 is met wave width, and the energy of device absorption wave is many more; Soft capsule 1 bottom perforate connecting pipeline 2; The pipeline 2 terminal piston type capsules 3 that connect, the effect of piston type capsule 3 is similar to hydraulic cylinder piston; The bottom of piston type capsule 3 acts on the upper-end surface of block float structure 4, the secondary energy transfer mechanism 5 of block float structure 4 lower end surface connection sets, and this mechanism is for being linear electric motor or oil hydraulic cylinder; Piston type capsule 3, block float structure 4, secondary energy transfer mechanism 5 all are installed in the barrel-like structure thing 6 and have a style of one's own; The buoyancy aid 7 of being furnished with symmetrical distribution on the barrel-like structure beyond the region of objective existence side; Barrel-like structure thing 6 passes through anchor chain 8 moorings in the seabed simultaneously.
For improving the energy conversion efficiency and the stability under working conditions of apparatus of the present invention, apparatus of the present invention can structurally further be improved, as shown in Figure 2.1, soft capsule 1 bottom is increased by a platy structure thing 9, soft capsule 1 is fixed on the platy structure thing 9 by tightrope 10; 2, barrel-like structure thing 6 bottoms increase the bigger platy structure thing 11 of an area, fix a platy structure 12 perpendicular to plate face and wave direct of travel on this platy structure thing 11; 3, two platy structure things connect by rigidity frame 13 up and down, are solidified as a whole.
If the startup wave height of a jellyfish type wave energy device is 0.3m (wave pressure is about ρ gh=1025*9.81*0.3=3016.6Pa), wave pressure is 2.1m (wave pressure is about ρ gh=1025*9.81*2.1=21116.OPa) at full capacity.Its secondary energy transfer mechanism 5 is 1 group of 7 oil hydraulic cylinder, and (area is 0.003117m to internal diameter 63mm
2), interior pressure is 6MPa.Drive 1 of this oil hydraulic cylinder, need driving force 0.003117*6000000=18703.5N.Block float structure 4 under the design piston type capsule 3 is circular, and (area is 6.200m to diameter 2.80969m
2).When wave height reaches 0.3m, 3 pairs of block float structure 4 downward driving forces of piston type capsule are 3016.6Pa*6.200m
2=18703.5N can drive 1 oil hydraulic cylinder.Similarly calculate as can be known, when wave height reaches 2.1m, can drive the oil hydraulic cylinder of 7 63mm internal diameters, interior pressure 6MPa.
When implementing, 7 oil hydraulic cylinders as 1 group, are inserted in the barrel-like structure thing 6.The output pipe of each oil hydraulic cylinder is controlled by electrically-controlled valve, itself and pressure duct (pressure 6MPa) is connected, or connected with return tube (pressure 0).Whether have 1 forever to connect with pressure duct in 7 oil hydraulic cylinders, remaining oil hydraulic cylinder is then looked the size of wave and settled wave when very little, select and the pressure duct connection, can control the downward driving force of block float structure 4 thus, to adapt to different wave height.
As shown in Figure 3, the nature of piston type capsule 3 is shown in Fig. 3 (a), and the working state of piston capsule 3 is shown in Fig. 3 (b).Piston type capsule 3 is a flexible pocket, and its material is pliable and tough, and anti-fold fatigue capability is strong.The volume of its natural extended configuration is greater than fold state volume.When work, its maximum volume is no more than the volume of nature extended configuration, and minimum volume does not impact the serious fold of its operating life.
The effect of piston type capsule 3 has two: when (one) raises on the corrugated, for whole device provides a part of concentrating the acting that releases energy.Want to absorb well wave energy, the volume of the water in the soft capsule (1) must diminish under the wave pressure effect.If disregard the variation that the interior hydrodynamic(al) of soft capsule (1) is pressed, the wave pressure acting can be expressed as:
V wherein
1And V
2Be respectively soft capsule (1) minimum and maximum volume in this wave action process, p
1Be the pressure in the soft capsule (1), be approximately equal to the kinetic pressure of block buoyancy aid (4) upper surface when driving block buoyancy aid (4) and secondary energy transfer mechanism (5).Piston capsule (3) provides volume change needed volume for soft capsule (1), and whole merits that wave energy is done soft capsule (1) are directly delivered to block float structure by pipeline (2).When (two) reducing,, ready in order to next wave process for the volume expanded of soft capsule (1) provides needed volume on the corrugated.
Claims (3)
1. jellyfish type wave energy utilized device, it is characterized in that: the device upper end is the bigger soft capsule (1) of volume, soft capsule (1) part surfaces or all is submerged under water, soft capsule (1) bottom perforate connecting pipeline (2), the terminal piston type capsule (3) that connects of pipeline (2), described piston type capsule (3) is a flexible pocket, the bottom of piston type capsule (3) acts on the upper-end surface of block float structure (4), block float structure (4) lower end surface connects secondary energy transfer mechanism (5), piston type capsule (3), block float structure (4), secondary energy transfer mechanism (5) all is installed in the barrel-like structure thing (6) and has a style of one's own, and piston type capsule (3) upper end and barrel-like structure thing (6) are for fixedlying connected; The buoyancy aid (7) of being furnished with symmetrical distribution on the barrel-like structure beyond the region of objective existence side; Barrel-like structure thing (6) passes through anchor chain (8) mooring in the seabed simultaneously.
2. jellyfish type wave energy utilized device as claimed in claim 1 is characterized in that: described secondary energy transfer mechanism (5) is linear electric motor or oil hydraulic cylinder.
3. jellyfish type wave energy utilized device as claimed in claim 1 is characterized in that: increase by a platy structure thing (9) in soft capsule (1) bottom, by tightrope (10) soft capsule (1) is fixed on the platy structure thing (9); Barrel-like structure thing (6) bottom increases the bigger platy structure thing (11) of an area, fixes a platy structure (12) perpendicular to plate face and wave direct of travel on this platy structure thing (11); The platy structure thing (9) of described soft capsule (1) bottom is connected by rigidity frame (13) with the platy structure thing (11) of barrel-like structure thing (6) bottom, is solidified as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102142218A CN101709683B (en) | 2009-12-25 | 2009-12-25 | Jellyfish type wave energy utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102142218A CN101709683B (en) | 2009-12-25 | 2009-12-25 | Jellyfish type wave energy utilization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101709683A CN101709683A (en) | 2010-05-19 |
| CN101709683B true CN101709683B (en) | 2011-06-08 |
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ID=42402485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102142218A Expired - Fee Related CN101709683B (en) | 2009-12-25 | 2009-12-25 | Jellyfish type wave energy utilization device |
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| Country | Link |
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| CN (1) | CN101709683B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984251B (en) * | 2010-12-06 | 2012-01-11 | 中国海洋大学 | Wave energy generating set |
| CN102720628B (en) * | 2012-06-15 | 2015-03-25 | 郑贵林 | Method for quickened extraction of wave energy based on compressible fluid and two-way water turbine for realizing method |
| CN113187648B (en) * | 2021-04-29 | 2022-08-05 | 中国科学院广州能源研究所 | Wave energy power supply submerged buoy |
| CN115076016A (en) * | 2022-07-15 | 2022-09-20 | 北京航空航天大学 | Wave energy power generation device |
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2009
- 2009-12-25 CN CN2009102142218A patent/CN101709683B/en not_active Expired - Fee Related
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| CN101709683A (en) | 2010-05-19 |
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Effective date of registration: 20180611 Address after: 510000 room 2801, building D, Shenzhou road green square, Guangzhou science and Technology Industrial Development Zone, Guangzhou, Guangdong Patentee after: Guangzhou Jingyuan Hydraulic Equipment Co., Ltd. Address before: 510640 2 Wushan energy road, Tianhe District, Guangzhou, Guangdong Patentee before: Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20181225 |