CN85201823U - Wave power generation unit with a symmetric wing turbine - Google Patents
Wave power generation unit with a symmetric wing turbine Download PDFInfo
- Publication number
- CN85201823U CN85201823U CN198585201823U CN85201823U CN85201823U CN 85201823 U CN85201823 U CN 85201823U CN 198585201823 U CN198585201823 U CN 198585201823U CN 85201823 U CN85201823 U CN 85201823U CN 85201823 U CN85201823 U CN 85201823U
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- CN
- China
- Prior art keywords
- turbine
- blade
- rectangle
- ratio
- line
- 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.)
- Expired - Lifetime
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Classifications
-
- 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
- F05B2250/00—Geometry
- F05B2250/30—Arrangement of components
- F05B2250/33—Arrangement of components symmetrical
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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
Abstract
The utility model relates to a wave power generation device with a symmetric wing turbine, which belongs to the new design of a pneumatic wave power generation device with an air turbine. In the wave power generation device with a symmetric wing turbine, a novel symmetric wing turbine with a blade surface shape of a rectangle sector is designed according to the problems that the impulse turbine has complicated structure, the symmetric wing turbine with a blade surface shape of a rectangular can not obtain better combination property in general, etc. Besides, the utility model provides design parameters, such as the type of a wing, spray mouth ratio, hub tip ratio, the number of blades, etc., to make the newly designed device have simple structure, and better combination property, such as better self starting performance, high efficiency, etc. The utility model can be used for the long acting power supply for beacon lights, marine hydrology and automatic telemetering buoys for weather.
Description
The utility model belongs to the new design of air-driven type apparatus for generating electricity by wave force air turbine.
Utilize the electricity generating device of the wave energy of ocean, rivers for power, as the apparatus for generating electricity by wave force that navigation mark light is used through five links: 1. utilize the motion of buoy, convert wave energy to the air energy by the center tube air chamber with the wave heave; 2. air turbine can convert air to rotating mechanical energy; 3. AC permanent-magnetic generator converts rotating mechanical energy to AC energy; 4. silicon rectifier converts Ac to direct current; 5. storage battery is stored unsettled direct current, uses for electric consumer.Wherein, air turbine is the heart of apparatus for generating electricity by wave force.Up to now, developed and the air turbine that uses has two kinds; A kind of is the action turbine of band rectifying valve, adopts on the TG103 type apparatus for generating electricity by wave force as Japan, and this turbine is owing to need rectifying valve and nozzle system, thereby complex structure, and cost is higher.Another kind be occur in recent years just can be without rectifying valve to the symmetrical wing formula turbine of same direction rotation work done.Structure is simpler, but its turbine blade face shape mostly is rectangle, adopts in apparatus for generating electricity by wave force as the Britain empress university civil construction project navigation mark light that to be TJTWhittaker etc. mention in " wave power navaid electric aspect " literary composition.Its turbine nozzle is littler than adjustment range, and the turbine for small-power (100W is following) is difficult to obtain good comprehensive performances (comprising factors such as self-starting performance, efficient).
The utility model provides a kind of special symmetrical wing air turbine of design, small-sized (power is below 100W) apparatus for generating electricity by wave force that combination property is good of adopting.
The utility model is by the center tube air chamber, and symmetrical wing air turbine, AC permanent-magnetic generator, rectifier, controller and battery pack etc. are partly formed, and the skeleton diagram of its device each several part effect is as follows:
Main points of the present utility model are the blade face shape of symmetrical wing turbine blade and the design of aerofoil profile, this turbine adopts the symmetrical wing turbine with the fan-shaped blade face of square shape, be it by along some uniform on wheel hub aerofoil profile symmetries, established angle is formed (as shown in Figure 2) by the square sector of zero degree, and the blade face shape of every blade as shown in Figure 3.By being the center of circle with the turbine center O, radius is respectively R
1, R
2, R
3(R
1＞R
2＞R
3) three sections circular arcs, the blade face is divided into I and II two-part.Inboard I is that central angle is the fan-shaped of α; Outside II is a rectangle, and alleged rectangle is approximate rectangular, and it is the equal or approximately equal of chord length of two arcs (both sides up and down of this rectangle) up and down.Fan-shaped part and rectangle part smooth transition, sideline ABC and DEF can be broken lines, also can become smooth camber line.Corresponding isopachytes is the parallel lines in sideline at rectangle part, is radial line in fan-shaped part.Whole blade face should be according to blade face center line OO ' one-tenth symmetry.
The aerofoil profile of blade should be the symmetric(al) flow line style, the maximum ga(u)ge δ max and the string of aerofoil profile
ADThe ratio of long l be 21.5%～23.5%, optimum ratio is 22.1%～22.5%, blade is according to the isopachytes smooth transition on the blade face.
The blade of this turbine and wheel hub can be used light weight, and high also corrosion-resistant material of mechanical strength such as materials such as alloy aluminum, glass fibre reinforced plastics are made.Blade can combine with wheel hub is firm by bonding and methods such as riveted joint, or the once-through of blade wheel hub, and its hub ratio (being hub diameter Dh and the ratio of turbine outer diameter Dt) should be 0.5～0.65.
Because the blade face shape of blade is combining of fan-shaped and rectangle, the number of blade by selecting turbine with and the size of the sector part branch central angle alpha of opening and fan-shaped part shared area ratio in whole blade face, can be at the nozzle of selecting turbine in a big way than parameter (be between blade in axial plane area of passage and the air chamber ratio of sectional area), influencing the self-starting performance of turbine and the factor of efficient is more complicated, in general, less nozzle is than the self-starting performance that helps improving turbine, improve turbine efficiency then need bigger nozzle than and suitable leaf, thereby the blade face shape of turbine blade can obtain one one kinds of design proposals of taking into account combination properties such as turbine self-starting performance and efficient by fan-shaped and rectangle reasonable combination.The nozzle of the symmetrical wing turbine of the utility model design is 1/60～1/100 than i, and the turbine blade number is 8～12.
The utility model provides small-sized (100W is following) apparatus for generating electricity by wave force because the blade face shape and the Airfoil Design uniqueness of its air turbine, system each partly coupling rationally, thereby it is functional to have a self-starting, efficient is higher.The good combination property of the bigger grade of output power, and simple in structure, and cost is low, can be used as the long-acting power supply of devices such as coastal waterway navigation mark light, marine hydrology, meteorological automatic telemetering buoy.
Accompanying drawing 1 is the utility model generator set overall pattern, and wherein 1 is protective cap, and 2 is rectifier and controller, and 3 is AC permanent-magnetic generator, and 4 is the symmetrical wing air turbine, and 5 is runner envelope.
Accompanying drawing 3 is symmetrical wing turbine structure sketch, wherein D
tBe the outer diameter of turbine, Dh is the diameter of wheel hub.
The practical design that the utility model provides, its specific design parameter is as follows: the symmetrical wing turbine blade, rectangle part equates that with the sector part partial width promptly AB equals BC; Aerofoil profile: maximum ga(u)ge δ max is 22.3% with the ratio of chord length l; Hub ratio is 0.6; Nozzle equals 1/80 than i, and the number of blade is 10.
Claims (4)
1, a kind of small-sized (output power is below 100W) apparatus for generating electricity by wave force of forming by floating drum center tube air chamber, air turbine, AC permanent-magnetic generator, rectifier, controller and battery pack, it is characterized in that said air turbine is the symmetrical wing formula turbine with the fan-shaped blade face of square shape, promptly this turbine by along some uniform on wheel hub aerofoil profile symmetries, setting angle formed by the square sector of zero degree, the blade face of every blade, by being the center of circle with turbine center 0, radius is respectively R
1, R
2, R
3(R
1＞R
2＞R
3) three sections circular arcs be divided into two-part, inboard for being the fan-shaped of central angle with φ; The outside is a rectangle, and alleged rectangle is approximate rectangular, and it is the equal or approximately equal of chord length of two arcs (both sides up and down of this rectangle) up and down.Fan-shaped part and rectangle part smooth transition, its sideline (line ABC and line DEF) can be broken line, also can become smooth camber line.Corresponding isopachytes is the parallel lines in sideline at rectangle part, is radial line in fan-shaped part.Whole blade face becomes symmetry according to blade face center line [OO '].The aerofoil profile of blade should be the symmetric(al) flow line style.The maximum ga(u)ge of aerofoil profile [δ max] is 21.5%～23.5% with the ratio of chord length [l], and optimum ratio is 22.1%～22.5%.
2, according to the described apparatus for generating electricity by wave force of claim 1, the nozzle that it is characterized in that said symmetrical wing air turbine is the axial ratio of sectional area in area of passage and the air chamber between blade than i() be 1/60～1/100.
3,, it is characterized in that hub ratio (the hub diameter D of said symmetrical wing turbine according to the described apparatus for generating electricity by wave force of claim 1.
hWith turbine outer diameter D
tRatio) be 0.5～0.65.
4, according to the described apparatus for generating electricity by wave force of claim 1.2.3., the number of blade that it is characterized in that said symmetrical wing turbine is 8～12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN198585201823U CN85201823U (en) | 1985-05-13 | 1985-05-13 | Wave power generation unit with a symmetric wing turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN198585201823U CN85201823U (en) | 1985-05-13 | 1985-05-13 | Wave power generation unit with a symmetric wing turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN85201823U true CN85201823U (en) | 1986-03-05 |
Family
ID=4797782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN198585201823U Expired - Lifetime CN85201823U (en) | 1985-05-13 | 1985-05-13 | Wave power generation unit with a symmetric wing turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85201823U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1303323C (en) * | 2004-09-16 | 2007-03-07 | 上海交通大学 | Water turbine wingsection for ocean current generation |
| US7471009B2 (en) | 2001-09-17 | 2008-12-30 | Clean Current Power Systems Inc. | Underwater ducted turbine |
| US7874788B2 (en) | 2004-09-17 | 2011-01-25 | Clean Current Limited Partnership | Flow enhancement for underwater turbine |
| US9000604B2 (en) | 2010-04-30 | 2015-04-07 | Clean Current Limited Partnership | Unidirectional hydro turbine with enhanced duct, blades and generator |
| WO2021093899A1 (en) * | 2019-11-15 | 2021-05-20 | 中国科学院广州能源研究所 | Floating oscillating water column-type wave energy power generation apparatus |
-
1985
- 1985-05-13 CN CN198585201823U patent/CN85201823U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7471009B2 (en) | 2001-09-17 | 2008-12-30 | Clean Current Power Systems Inc. | Underwater ducted turbine |
| CN1636111B (en) * | 2001-09-17 | 2010-05-26 | 净流有限合伙企业 | Hydro turbine generator |
| US8022567B2 (en) | 2001-09-17 | 2011-09-20 | Clean Current Limited Partnership | Underwater ducted turbine |
| CN1303323C (en) * | 2004-09-16 | 2007-03-07 | 上海交通大学 | Water turbine wingsection for ocean current generation |
| US7874788B2 (en) | 2004-09-17 | 2011-01-25 | Clean Current Limited Partnership | Flow enhancement for underwater turbine |
| US9000604B2 (en) | 2010-04-30 | 2015-04-07 | Clean Current Limited Partnership | Unidirectional hydro turbine with enhanced duct, blades and generator |
| WO2021093899A1 (en) * | 2019-11-15 | 2021-05-20 | 中国科学院广州能源研究所 | Floating oscillating water column-type wave energy power generation apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |