CN102878009A - Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set - Google Patents
Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set Download PDFInfo
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- CN102878009A CN102878009A CN2012103427090A CN201210342709A CN102878009A CN 102878009 A CN102878009 A CN 102878009A CN 2012103427090 A CN2012103427090 A CN 2012103427090A CN 201210342709 A CN201210342709 A CN 201210342709A CN 102878009 A CN102878009 A CN 102878009A
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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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Abstract
The invention relates to a diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set, and belongs to the field of utilization of ocean energy. The generator set is characterized by comprising a diversion cover, a guide rail support, an elliptic guide rail, linear bearings, guide arms, straight blades, fixing bolts, a radial bearing, a rotating shaft, a wheel disc, a radial thrust combined bearing, a sealing ring, a supporting frame, an electric brake, a seal box, a gearbox, a generator, a storage battery, a controller, balls, a sliding block, blade bearings and a guide hole. According to the generator set, an energy gathering effect on tidal current energy is improved by the diversion cover, the length of the arm can be changed elliptically through the elliptic guide rail, and the elliptic guide rail can be conveniently arranged on the diversion cover. The generator set has a simple and reliable structure, and the length of the arm is changed in a non-circular mode, so that the capture efficiency of the tidal current energy is improved, and operation reliability and operation stability are improved.
Description
Technical field
The invention belongs to the regenerable marine energy field, relate to band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator.
Background technique
The energy and environment are the significant problems that human kind sustainable development faces, and the renewable energy sources of development cleaning is known together by countries in the world.The interior marine energy resources reserve of world wide is very abundant, and wherein marine tidal-current energy is regular strong, and direction of tide is stable and have typical past renaturation characteristics, and development prospect is very wide.
The vertical pivot water turbine can adapt to the incoming flow of different direction, and self-startup ability is strong, occupies critical role in the marine tidal-current energy exploitation.Improve water turbine energy capture efficient, the development of new water turbine is the emphasis of marine tidal-current energy exploitation.
Patent application: 201110151641.3, become brachium pivotal axis trend hydraulic generator, can improve the marine tidal-current energy capture rate, but the mode that adopts hydraulic pressure changes the brachium of blade supporting arm, one direction has consumed part energy, performance difficulty on the other hand, and cost is higher.
Therefore, how realizing the reasonable change of blade track, is the key that improves vertical pivot water turbine energy capture efficient.
Summary of the invention
The present invention is directed in the vertical shaft tidal water turbine, the variation issue of blade track proposes band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator.
A kind of band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator comprises air guide sleeve, rail brackets, oval guide rail, linear bearing, leading arm, prismatic blade, fixing bolt, radial bearing, rotating shaft, wheel disc, radical-thrust joint bearing, seal ring, supporting frame, electric brake, sealed case, gear-box, generator, storage battery, controller, ball, slide block, blade bearing, pilot hole.
Described air guide sleeve, each cross section of down-flowing incoming direction is rectangle, and the height of each rectangle remains unchanged, in the cross section of down-flowing incoming direction, the cross section by the water turbine rotating shaft is called the middle section, and air guide sleeve is symmetrical along the middle section, away from the cross section of middle section, it is large that the rectangle width becomes gradually; Each of air guide sleeve overlooked the cross section and equated, two ends are tubaeform, and be middle by the streamline transition.
Described oval guide rail has 2, is ellipse, is oval major diameter along water (flow) direction, and the down-flowing incoming direction is oval minor axis.The cross section of oval guide rail is "T"-shaped, offers 3-7 row groove along the bottom of T shape, and the cross section of groove be semicircle.
Described prismatic blade, number are 3-6, have two pilot holes on each prismatic blade, on the pilot hole with keyway; The attachment portion at prismatic blade two ends is circular, and the intermediate portion cross section is NACA aerofoil profile or streamlined;
Described leading arm, cross section are circular, and an end has keyway, and the leading arm number is identical with the prismatic blade number.
Described slide block, number is identical with the prismatic blade number, is square body, below the opened round shallow bore hole, the above opens inverse-T-shaped groove, inverse-T-shaped groove internal surface is offered the semi-circular groove with oval guide rail similar number.
Rail brackets has two, lays respectively at the up and down both sides of air guide sleeve, and rail brackets is quadrilateral, and four angles of rail brackets are fixed on the air guide sleeve by set screw; Two oval guide rails are respectively fixed to the up and down both sides of rail brackets; Rotating shaft is by the supporting of radial bearing and radical-thrust joint bearing, and radial bearing and radical-thrust joint bearing are separately fixed at up and down on two rail bracketses; Two wheel discs are installed in the rotating shaft; One end of linear bearing radially is fixed on the wheel disc, and leading arm is not inserted in the linear bearing with an end of keyway, moving axially of property bearing along the line, and an end of leading arm band keyway is fixed on the prismatic blade; Following rail brackets is fixed on the sealed case by supporting frame.
Fall " T " of the "T"-shaped groove of oval guide rail and slide block contacts by ball, and the shallow circular trough of slide block links to each other with a straight-vaned end by blade bearing.
Rotating shaft and seal ring, electric brake are coaxial, and rotating shaft links to each other with gearbox input shaft, and gearbox output shaft links to each other with generator, and generator and electric brake all connect storage battery by cable, and storage battery connects controller by cable.
The invention has the beneficial effects as follows:
1, the employing air guide sleeve has improved the cumulative effect to marine tidal-current energy, has namely improved the tidal current speed of the water turbine of flowing through;
2, adopt air guide sleeve to improve the effect that becomes a mandarin, steady incoming flow makes that water turbine is more stable, efficient operation;
3, the elliptical orbit of water turbine namely becomes the brachium water turbine and waits the brachium water turbine to compare, and can improve energy capture efficient; The convenient elliptical orbit of brachium of realizing of elliptical orbit changes, and elliptical orbit is fixed on air guide sleeve easily.
The present invention is simple for structure, reliable, has realized the non-circular variation of brachium, has both improved marine tidal-current energy energy capture efficient, has improved again reliability of operation, stability.
Description of drawings
Fig. 1 is band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator plan view of the present invention.
Fig. 2 is the front view with water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator of the present invention.
Fig. 3 is guide rail of the present invention and straight-vaned sectional view.
Among the figure: 1 air guide sleeve; 2 rail bracketses; 3 oval guide rails; 4 linear bearings; 5 leading arms; 6 prismatic blades; 7 fixing bolts; 8 radial bearings; 9 rotating shafts; 10 wheel discs; 11 radical-thrust joint bearings; 12 seal rings; 13 supporting frames; 14 electric brakes; 15 sealed cases; 16 gear-boxes; 17 generators; 18 storage batteries; 19 controllers; 20 balls; 21 slide blocks; 22 blade bearings; 23 pilot holes.
Embodiment
As Figure 1-3, band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator of the present invention is comprised of air guide sleeve 1, rail brackets 2, oval guide rail 3, linear bearing 4, leading arm 5, prismatic blade 6, fixing bolt 7, radial bearing 8, rotating shaft 9, wheel disc 10, radical-thrust joint bearing 11, seal ring 12, supporting frame 13, electric brake 14, sealed case 15, gear-box 16, generator 17, storage battery 18, controller 19, ball 20, slide block 21, blade bearing 22, pilot hole 23.
(1) according to the trend characteristics in marine site, place, amplify 1.2 times of sectional areas that design water turbine according to mean velocity, rule of thumb and sectional area, tentatively determine the brachium of water turbine and highly (being the length of prismatic blade 6); According to the preliminary structure of water turbine, design corresponding air guide sleeve 1 simultaneously;
(2) according to the structure of air guide sleeve 1 and water turbine, determine to become oval guide rail 3 and the rail brackets 2 of brachium water turbine, and then determine corresponding linear bearing 4, leading arm 5, fixing bolt 7, radial bearing 8, rotating shaft 9, wheel disc 10, radical-thrust joint bearing 11 etc.;
(3) according to the flow velocity characteristics, select suitable prismatic blade 6, and the parameter such as ball on definite prismatic blade 6 20, slide block 21, blade bearing 22, pilot hole 23;
(4) designed band water conservancy diversion bell-type elliptical orbit vertical shaft tidal water turbine is carried out hydrodynamics emulation, obtain preliminary power and performance, if do not meet design requirement, improve design; If meet design requirement, then further design seal ring 12, supporting frame 13, electric brake 14, sealed case 15, gear-box 16, generator 17, storage battery 18, controller 19 etc.;
(5) further designed band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator is calculated and emulation, determine its performance and structure, determine processing scheme and further experimental program;
(6) according to experimental result, verify its performance simulation result, and be installed to and specify the marine site to generate electricity.
Claims (1)
1. a band water conservancy diversion bell-type elliptical orbit vertical shaft tidal hydraulic generator comprises air guide sleeve, rail brackets, oval guide rail, linear bearing, leading arm, prismatic blade, fixing bolt, radial bearing, rotating shaft, wheel disc, radical-thrust joint bearing, seal ring, supporting frame, electric brake, sealed case, gear-box, generator, storage battery, controller, ball, slide block, blade bearing and pilot hole; It is characterized in that,
Described air guide sleeve, each cross section of down-flowing incoming direction is rectangle, and the height of each rectangle remains unchanged, in the cross section of down-flowing incoming direction, the cross section by the water turbine rotating shaft is called the middle section, and air guide sleeve is symmetrical along the middle section, away from the cross section of middle section, it is large that the rectangle width becomes gradually; Each of air guide sleeve overlooked the cross section and equated, two ends are tubaeform, and be middle by the streamline transition;
Described oval guide rail has 2, is ellipse, is oval major diameter along water (flow) direction, and the down-flowing incoming direction is oval minor axis; The cross section of oval guide rail is "T"-shaped, offers 3-7 row groove along the bottom of T shape, and the cross section of groove be semicircle;
Described prismatic blade, number are 3-6, have two pilot holes on each prismatic blade, on the pilot hole with keyway; The attachment portion at prismatic blade two ends is circular, and the intermediate portion cross section is NACA aerofoil profile or streamlined;
Described leading arm, cross section are circular, and an end has keyway, and the leading arm number is identical with the prismatic blade number;
Described slide block, number is identical with the prismatic blade number, is square body, below the opened round shallow bore hole, the above opens inverse-T-shaped groove, inverse-T-shaped groove internal surface is offered the semi-circular groove with oval guide rail similar number;
Rail brackets has two, lays respectively at the up and down both sides of air guide sleeve, and rail brackets is quadrilateral, and four angles of rail brackets are fixed on the air guide sleeve by set screw; Two oval guide rails are respectively fixed to the up and down both sides of rail brackets; Rotating shaft is by the supporting of radial bearing and radical-thrust joint bearing, and radial bearing and radical-thrust joint bearing are separately fixed at up and down on two rail bracketses; Two wheel discs are installed in the rotating shaft; One end of linear bearing radially is fixed on the wheel disc, and leading arm is not inserted in the linear bearing with an end of keyway, moving axially of property bearing along the line, and an end of leading arm band keyway is fixed on the prismatic blade; Following rail brackets is fixed on the sealed case by supporting frame;
Fall " T " of the "T"-shaped groove of oval guide rail and slide block contacts by ball, and the shallow circular trough of slide block links to each other with a straight-vaned end by blade bearing;
Rotating shaft and seal ring, electric brake are coaxial, and rotating shaft links to each other with gearbox input shaft, and gearbox output shaft links to each other with generator, and generator and electric brake all connect storage battery by cable, and storage battery connects controller by cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210342709.0A CN102878009B (en) | 2012-09-14 | 2012-09-14 | Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set |
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CN201210342709.0A CN102878009B (en) | 2012-09-14 | 2012-09-14 | Diversion cover type elliptical orbit vertical-axis tidal current energy hydraulic turbine generator set |
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CN102878009A true CN102878009A (en) | 2013-01-16 |
CN102878009B CN102878009B (en) | 2014-10-15 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106762378A (en) * | 2016-12-27 | 2017-05-31 | 天津大学 | A kind of collapsible marine tidal-current energy generates electricity and desalinization one cluster |
CN107906172A (en) * | 2017-11-16 | 2018-04-13 | 东莞市松研智达工业设计有限公司 | A kind of gear drive reduced with speed increase gearratio |
CN107956632A (en) * | 2017-12-01 | 2018-04-24 | 浙江海洋大学 | Efficient tidal current energy generating equipment |
Citations (7)
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CN1867768A (en) * | 2003-10-13 | 2006-11-22 | 伊西德罗·U·乌苏亚 | Turbine housing and floatation assembly |
GB2450077A (en) * | 2007-05-31 | 2008-12-17 | Edinburgh Designs Ltd | Turbine for tidal power generation with active control of blade pitch |
US20100066090A1 (en) * | 2008-09-15 | 2010-03-18 | Fred Michael Newcomer | Free renewable energy designs |
CN101705904A (en) * | 2009-11-11 | 2010-05-12 | 哈尔滨工程大学 | High-power vertical shaft tidal generating set |
CN101892936A (en) * | 2010-07-23 | 2010-11-24 | 大连理工大学 | Folding vertical shaft tidal power generation device |
CN101988463A (en) * | 2010-11-24 | 2011-03-23 | 哈尔滨工程大学 | Vertical shaft tidal current generating set |
CN102230444A (en) * | 2011-06-09 | 2011-11-02 | 大连理工大学 | Arm-length-variable vertical shaft tide current water turbine generator set |
-
2012
- 2012-09-14 CN CN201210342709.0A patent/CN102878009B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1867768A (en) * | 2003-10-13 | 2006-11-22 | 伊西德罗·U·乌苏亚 | Turbine housing and floatation assembly |
GB2450077A (en) * | 2007-05-31 | 2008-12-17 | Edinburgh Designs Ltd | Turbine for tidal power generation with active control of blade pitch |
US20100066090A1 (en) * | 2008-09-15 | 2010-03-18 | Fred Michael Newcomer | Free renewable energy designs |
CN101705904A (en) * | 2009-11-11 | 2010-05-12 | 哈尔滨工程大学 | High-power vertical shaft tidal generating set |
CN101892936A (en) * | 2010-07-23 | 2010-11-24 | 大连理工大学 | Folding vertical shaft tidal power generation device |
CN101988463A (en) * | 2010-11-24 | 2011-03-23 | 哈尔滨工程大学 | Vertical shaft tidal current generating set |
CN102230444A (en) * | 2011-06-09 | 2011-11-02 | 大连理工大学 | Arm-length-variable vertical shaft tide current water turbine generator set |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106762378A (en) * | 2016-12-27 | 2017-05-31 | 天津大学 | A kind of collapsible marine tidal-current energy generates electricity and desalinization one cluster |
CN106762378B (en) * | 2016-12-27 | 2020-02-07 | 天津大学 | Folding tidal current energy power generation and seawater desalination integrated cluster |
CN107906172A (en) * | 2017-11-16 | 2018-04-13 | 东莞市松研智达工业设计有限公司 | A kind of gear drive reduced with speed increase gearratio |
CN107956632A (en) * | 2017-12-01 | 2018-04-24 | 浙江海洋大学 | Efficient tidal current energy generating equipment |
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Granted publication date: 20141015 Termination date: 20180914 |