CN106257048A - Blade is provided with the vertical axis aerogenerator of horizontal bar - Google Patents

Blade is provided with the vertical axis aerogenerator of horizontal bar Download PDF

Info

Publication number
CN106257048A
CN106257048A CN201510345390.0A CN201510345390A CN106257048A CN 106257048 A CN106257048 A CN 106257048A CN 201510345390 A CN201510345390 A CN 201510345390A CN 106257048 A CN106257048 A CN 106257048A
Authority
CN
China
Prior art keywords
main shaft
blade
horizontal bar
cabinet
cross beam
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.)
Pending
Application number
CN201510345390.0A
Other languages
Chinese (zh)
Inventor
于天
于天一
孙宁
张志朋
王政钧
郭新
殷旺洲
毕宏图
张畅
徐东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510345390.0A priority Critical patent/CN106257048A/en
Publication of CN106257048A publication Critical patent/CN106257048A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction

Landscapes

  • Wind Motors (AREA)

Abstract

The present invention discloses a kind of blade and is provided with the vertical axis aerogenerator of horizontal bar, including cabinet, electromotor, two tractive steel poles, fixed cross beam, main shaft and three blades, wherein: three blades are uniformly distributed along main shaft circumference and fix with main shaft and are connected, blade is a curved surface and radius of curvature is gradually increased from the bottom to top, it is separately installed with one above and below blade to take over a business and a chassis, takes over a business all to be set in chassis on main shaft and fix with main shaft to be connected;The two ends of fixed cross beam are connected by tractive steel pole is fixing with the top cover of cabinet respectively, and the upper end of main shaft is rotatably connected to fixed cross beam, lower end passes the top cover of cabinet and stretches in cabinet, and it is interior and be connected to the lower end of main shaft that electromotor is arranged on cabinet;Take over a business and be all machined with multiple through hole on chassis.Wind-driven generator in the present invention is easy for installation, easily start up, relate to simple.

Description

Blade is provided with the vertical axis aerogenerator of horizontal bar
Technical field
The present invention relates to field of electrical equipment, be provided with horizontal bar in particular to a kind of blade Vertical axis aerogenerator.
Background technology
Along with the development of New Energy Industry, people pay attention to the utilization to wind energy further.According to wind-force The rated power of generating set is classified, and is generally divided into: micro computer (below 10kW);Little Type machine (10kW to 100kW);Medium-sized machine (100kW to 1000kW) and large scale computer (1000kW Above, MW level blower fan).
Wind power generating set (hereinafter referred to as " blower fan ") is mainly made up of two large divisions: wind turbine Wind energy is converted to mechanical energy by part;Master section converts mechanical energy into electric energy. The master section of blower fan can use asynchronous generator or synchronous generator.
Conventional blower fan is horizontal-axis type wind turbine, has the disadvantage in that (1) volume is big, center of gravity Height, installs inconvenience, needs to tow fixing, once meets with high wind and easily inclines;(2) threshold wind velocity Higher, wind field is required height, is difficult in mild wind area start generating;(3) wind plant need to be installed additional, To ensure that the impeller of wind turbine is in maximum wind surface position all the time, this is simple type blower fan Design adds difficulty.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of easy for installation, easily start up, Design simple wind-driven generator.
Therefore, technical scheme is as follows:
A kind of blade is provided with the vertical axis aerogenerator of horizontal bar, including cabinet, electromotor, Two tractive steel poles, fixed cross beam, main shaft and three blades, wherein:
Three described blades are uniformly distributed along described main shaft circumference and fix with described main shaft and are connected, Described blade is a curved surface and radius of curvature is gradually increased from the bottom to top, the top of described blade and Lower section is separately installed with one and takes over a business and a chassis, described in take over a business and be all set in described with described chassis Fix on main shaft and with described main shaft and be connected;
The two ends of described fixed cross beam are solid with the top cover of described cabinet by a tractive steel pole respectively Fixed connection, the upper end of described main shaft is rotatably connected to described fixed cross beam, lower end through institute The top cover stating cabinet stretches in described cabinet, and described electromotor is arranged in described cabinet and connects Lower end to described main shaft;Described take over a business all to be machined with multiple through hole on described chassis.
Further, described blade is provided with multiple horizontal bar being vertically evenly arranged, institute State the two ends of horizontal bar and extend respectively to described main shaft and the outward flange of described blade, described horizontal bar with Horizontal plane be predetermined angle and described horizontal bar in one end of described main shaft less than it at described blade Outer peripheral one end, described predetermined angle is 27~33 °.
Further, between upper end and the described fixed cross beam of described main shaft, the lower end of described main shaft And it is separately installed with a thrust bearing between the top cover of described cabinet.
Blade in the present invention is provided with the vertical axis aerogenerator of horizontal bar, has the advantage that
(1) safety uses vertical vane and triangle double fulcrum design, and main stress Point concentrates on wheel hub, therefore, it is possible to preferably solve the problems such as leaf abscission, fracture and blade fly out;
(2) noise level shaft type wind turbine uses vertical to rotate and blade applications aircraft machine Wing principle design so that it is during operation, noise is bigger.And noise can during vertical axis-type wind turbine operation Be reduced to measure under natural environment less than degree;
(3) horizontal rotation and the double fulcrum of triangle of wind loading rating vertical axis-type wind turbine sets Meter principle so that it is little by wind pressure, can resist speed under conditions of basis is fixed and consolidated High wind within 30m/s;
(4) radius of gyration is due to its design structure and the difference of operation principle, than other forms Wind turbine has the less radius of gyration, saves space, improves efficiency simultaneously;
(5) generating curve characteristic is due to the operation characteristic of perpendicular axis type blower fan, its startup wind Speed is less than the blower fan of other forms, and the ascensional range of generated output is shallower, therefore 5~8m/s Wind speed range in, the more other kinds of blower fan of its generated energy high 10%~30%;
(6) utilize wind speed range perpendicular axis type blower fan to have employed special control principle, make it Applicable operating air velocity expanded range to 2.5~25m/s, utilizing wind resource to greatest extent Obtain bigger generating total amount simultaneously, improve the economy that wind power equipment uses;
(7) brake gear perpendicular axis type blower fan can configure mechanical, hand-driven and electronics self-actuating brake Two kinds, in the area without superpower fitful wind, it is only necessary to arrange hand-operated brake;
(8) operation maintenance is without installing steering mechanism additional, only needs periodically (general every half a year) The junction of chain drive parts is checked.
Accompanying drawing explanation
Fig. 1 is the vertical axis aerogenerator that blade according to embodiments of the present invention is provided with horizontal bar Structural representation;
Fig. 2 is blade portion during blade is provided with the vertical axis aerogenerator of horizontal bar in Fig. 1 Structural representation;
Fig. 3 is the structural representation of blade upper groove in Fig. 2.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings.Need Illustrating, in the case of not conflicting, the feature in embodiments herein and embodiment can To be mutually combined.
As shown in Figure 1 to Figure 3, blade is provided with hanging down of horizontal bar according to an embodiment of the invention D-axis wind-driven generator, including cabinet 1, electromotor 2, two tractive steel poles 3, fixed cross beams 4, main shaft 5 and three blades 6, wherein:
Three described blades 6 are uniformly distributed along described main shaft 5 circumference and fix with described main shaft 5 Connecting, described blade 6 is a curved surface and radius of curvature is gradually increased from the bottom to top, described blade Be separately installed with one above and below in the of 6 and take over a business 7 and a chassis 8, described in take over a business 7 and the described end Dish 8 is all set on described main shaft 5 and fixes with described main shaft 5 and is connected;
The two ends of described fixed cross beam 4 are respectively by a tractive steel pole 3 and described cabinet 1 Top cover 9 is fixing to be connected, the upper end of described main shaft 5 be rotatably connected to described fixed cross beam 4, Lower end is stretched in described cabinet 1 through the top cover 9 of described cabinet 1, and described electromotor 2 is installed In described cabinet 1 and be connected to the lower end of described main shaft 5.
Further, described blade 7 is provided with multiple horizontal bar 10 being vertically evenly arranged, The two ends of described horizontal bar 10 extend respectively to described main shaft 5 and the outward flange of described blade 7, institute State horizontal bar 10 low in one end of described main shaft 5 horizontal by predetermined angle and described horizontal bar 10 In it in outer peripheral one end of described blade 7, described predetermined angle is 27~33 °.
Further, between upper end and the described fixed cross beam 4 of described main shaft 5, described main shaft 5 Lower end and the top cover 9 of described cabinet 1 between be separately installed with a thrust bearing 11.
Further, take over a business described in 7 and described chassis 8 on be all machined with multiple through hole.
Specifically:
(1) top cover 7 of cabinet 1 can use steel plate to ensure support stiffness, and its circle centre position beats leaf Wheel shaft via the bearing block that is welded;The casing steel plate system of enclosing is welded with top cover 7;Casing front occupies In arrange and singly open maintenance door locking;Box bottom is welded basis mounting flange and strengthens gusset; Casing upper end use the symmetrical longitudinal direction of steel plate be welded reinforcement otic placode and steel pipe with install impeller fix Framework.
(2) on the lower end of main shaft 5 and electromotor 2 axle, gear train is installed, links conduct with chain Actuating device.The component of fixed generator 2 uses steel plate to make according to selected generator size.
(3) Impeller Design is three blades 6, position mutual deviation 120 °, so three oars of design Any direction be the wind comes from by leaf 6, all there is the most a piece of blade 6 and is in a splendid wind-engaging Position, especially for blower fan startup in the case of mild wind advantageously.Every blade 6 by Narrow and curve vertically semi arch under up in oblique line, the windage of the concave part of blade 6 is big In the windage of convex portions, produce pressure differential with this and drive impeller to rotate.In order to make pneumatic usefulness Bigger, blade 6 is reversed between the top string of a musical instrument and the bottom string of a musical instrument in 15 ° of angles, in operating Produce a certain amount of spiral up draft to reduce because what impeller deadweight produced rubs to bottom bearing Wiping power.
(4) rotating in wind due to impeller, gas flowing therebetween produces negative pressure to taking over a business 7 and the end Dish 8 formed complexity active force, take over a business 7 and chassis 8 dish punching, can reduce this effect The power impact on impeller stability.
(5) blade 6 surface be designed with from main shaft 5 to blade 6 outward flange outgoing and with impeller axle Become the horizontal bar 10 of about 60 degree (becoming 30 degree with level ground).Being provided with beneficially of horizontal bar 10 Improve intensity and the windage on blade 6 surface of blade 6, and air-flow guided into blade 6 edge, Strengthen airflow function moment, increase the utilization ratio of wind energy;And same on-stream generation is certain The spiral power of amount is to reduce the frictional force to bottom bearing produced because of impeller deadweight.
(6) main shaft 5 and frame are preferably with thrust bearing 11 (Thrust Tapered Roller Bearings) Connect.Thrust Tapered Roller Bearings is the bearing of cone roller, and it is good that its effect makes rotary shaft have Good concentricity and the rotary balance of pressure-bearing effect, beneficially impeller.Needle roller and Race Line Contact The result revised can be avoided producing damaging edge stress.
(7) with steel structure framework by thrust bearing 11 fixed main shaft, upper impeller stress is prevented Vacillate now to the left, now to the right and upper and lower displacement.
The material property that blade 6 uses has the biggest shadow to performance and the efficiency of wind power generation plant Ring.Recommend the aluminum alloy cast using relative low price molded, it is possible to use intensity high-quality Light carbon fibre reinforced plastic injection mo(u)lding.
Although carbon fibre reinforced plastic price is higher, but according to this kind of material, its intensity is high-quality Measure light characteristic so that wind machine oar leaf can be designed to not wait wall thickness according to its loading characteristic, Reduce blade thickness under proof strength and rigidity, and be easily worked molding.Calculating shows, adopts With above-mentioned material, as long as the thickness blade taking 1.2mm just can meet the intensity that design requires, Simultaneously because start under lighter weight, beneficially breeze conditions.
The vertical axis aerogenerator that blade in the present invention is provided with horizontal bar is simple for production, 3~fresh breeze speed under can work well, can install on building roof or earth's surface, safeguard simple Easy, compare and be suitable as small-sized household Wind turbines.Be combined with low capacity combining inverter, Requirement of generating electricity by way of merging two or more grid systems can be met.
Use the structure of three blades 6, balance between aesthetics.The number of blade 6 is determined by several factors Fixed, including aerodynamic efficiency, complexity, cost, noise, aesthetic requirement etc.. Blade blade very little is provided with the vertical axis aerogenerator of horizontal bar and typically requires higher rotating speed To obtain enough wind energies, therefore noise is bigger.And blade is too many, can phase interaction between them With and reduce system effectiveness.
Blade 6 shape, through optimizing, is mainly reflected in wide at the top and narrow at the bottom and flabellum lower end and distorts forward Paddle blade structure and blade surface horizontal bar 10 is set, can strengthen blade face windage with solve because of rotating speed The problem that low and that cause fan efficiency is low.
Vertical axis blade in the present invention is provided with the vertical axis aerogenerator of horizontal bar, have with Lower advantage:
(1) safety uses vertical vane and triangle double fulcrum design, and main stress Point concentrates on wheel hub, therefore, it is possible to preferably solve the problems such as leaf abscission, fracture and blade fly out;
(2) noise level shaft type wind turbine uses vertical to rotate and blade applications aircraft machine Wing principle design so that it is during operation, noise is bigger.And noise can during vertical axis-type wind turbine operation Be reduced to measure under natural environment less than degree;
(3) horizontal rotation and the double fulcrum of triangle of wind loading rating vertical axis-type wind turbine sets Meter principle so that it is little by wind pressure, can resist speed under conditions of basis is fixed and consolidated High wind within 30m/s;
(4) radius of gyration is due to its design structure and the difference of operation principle, than other forms Wind turbine has the less radius of gyration, saves space, improves efficiency simultaneously;
(5) generating curve characteristic is due to the operation characteristic of perpendicular axis type blower fan, its startup wind Speed is less than the blower fan of other forms, and the ascensional range of generated output is shallower, therefore 5~8m/s Wind speed range in, the more other kinds of blower fan of its generated energy high 10%~30%;
(6) utilize wind speed range perpendicular axis type blower fan to have employed special control principle, make it Applicable operating air velocity expanded range to 2.5~25m/s, utilizing wind resource to greatest extent Obtain bigger generating total amount simultaneously, improve the economy that wind power equipment uses;
(7) brake gear perpendicular axis type blower fan can configure mechanical, hand-driven and electronics self-actuating brake Two kinds, in the area without superpower fitful wind, it is only necessary to arrange hand-operated brake;
(8) operation maintenance is without installing steering mechanism additional, only needs periodically (general every half a year) The junction of chain drive parts is checked.
In sum, present disclosure is not limited in the above embodiments, this area Technical staff can propose other embodiment within technological guidance's thought of the present invention, but this Within kind embodiment is included in the scope of the present invention.

Claims (2)

1. the vertical axis blade that a blade is provided with horizontal bar is provided with the vertical-shaft wind of horizontal bar and sends out Motor, it is characterised in that include cabinet (1), electromotor (2), two tractive steel poles (3), Fixed cross beam (4), main shaft (5) and three blades (6), wherein:
Three described blades (6) be uniformly distributed along described main shaft (5) circumference and with described main shaft (5) fixing connecting, described blade (6) is a curved surface and radius of curvature the most gradually increases Greatly, it is separately installed with one above and below described blade (6) and takes over a business (7) and a chassis (8), Described take over a business (7) and described chassis (8) be all set in described main shaft (5) upper and with described master Axle (5) is fixing to be connected;
The two ends of described fixed cross beam (4) are respectively by a tractive steel pole (3) and described machine The top cover (9) of case (1) is fixing to be connected, and the upper end of described main shaft (5) is rotatably connected to Described machine is stretched into through the top cover (9) of described cabinet (1) in described fixed cross beam (4), lower end In case (1), in described electromotor (2) is arranged on described cabinet (1) and be connected to described master The lower end of axle (5);
Multiple horizontal bar (10) being vertically evenly arranged is installed on described blade (7), The two ends of described horizontal bar (10) extend respectively to described main shaft (5) and described blade (7) Outward flange, described horizontal bar (10) horizontal by predetermined angle and described horizontal bar (10) in institute State one end of main shaft (5) less than it in outer peripheral one end of described blade (7), described pre- If angle is 27~33 °.
Blade the most according to claim 1 is provided with the vertical axis aerogenerator of horizontal bar, It is characterized in that, between upper end and the described fixed cross beam (4) of described main shaft (5), described It is separately installed with a thrust between lower end and the top cover (9) of described cabinet (1) of main shaft (5) Bearing (11).
CN201510345390.0A 2015-06-19 2015-06-19 Blade is provided with the vertical axis aerogenerator of horizontal bar Pending CN106257048A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510345390.0A CN106257048A (en) 2015-06-19 2015-06-19 Blade is provided with the vertical axis aerogenerator of horizontal bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510345390.0A CN106257048A (en) 2015-06-19 2015-06-19 Blade is provided with the vertical axis aerogenerator of horizontal bar

Publications (1)

Publication Number Publication Date
CN106257048A true CN106257048A (en) 2016-12-28

Family

ID=57713851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510345390.0A Pending CN106257048A (en) 2015-06-19 2015-06-19 Blade is provided with the vertical axis aerogenerator of horizontal bar

Country Status (1)

Country Link
CN (1) CN106257048A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2457361Y (en) * 2001-01-09 2001-10-31 游勇 High efficiency wind turbine
CN1826464A (en) * 2003-07-24 2006-08-30 无噪音旋转有限公司 Vertical-axis wind turbine
CN1987092A (en) * 2006-12-18 2007-06-27 廖振雷 Vertical shaft wind power generator
CN201159141Y (en) * 2008-01-17 2008-12-03 北京亚盟托普净水工程技术有限公司 Dual-purpose aerogenerator
DE202011101729U1 (en) * 2010-12-13 2011-10-05 Dennis Patrick Steel Turbine system for wind and hydro III
CN102400854A (en) * 2011-11-02 2012-04-04 浙江大学 Vertical axis wind turbine
CN202707371U (en) * 2012-08-17 2013-01-30 河北省建筑材料工业设计研究院 Peg-top type wind turbine magnetic suspension wind driven generator
CN104005913A (en) * 2014-05-14 2014-08-27 桂林电子科技大学 Vertical axis wind turbine
CN106321348A (en) * 2015-06-19 2017-01-11 国网天津市电力公司 Vertical axis fan

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2457361Y (en) * 2001-01-09 2001-10-31 游勇 High efficiency wind turbine
CN1826464A (en) * 2003-07-24 2006-08-30 无噪音旋转有限公司 Vertical-axis wind turbine
CN1987092A (en) * 2006-12-18 2007-06-27 廖振雷 Vertical shaft wind power generator
CN201159141Y (en) * 2008-01-17 2008-12-03 北京亚盟托普净水工程技术有限公司 Dual-purpose aerogenerator
DE202011101729U1 (en) * 2010-12-13 2011-10-05 Dennis Patrick Steel Turbine system for wind and hydro III
CN102400854A (en) * 2011-11-02 2012-04-04 浙江大学 Vertical axis wind turbine
CN202707371U (en) * 2012-08-17 2013-01-30 河北省建筑材料工业设计研究院 Peg-top type wind turbine magnetic suspension wind driven generator
CN104005913A (en) * 2014-05-14 2014-08-27 桂林电子科技大学 Vertical axis wind turbine
CN106321348A (en) * 2015-06-19 2017-01-11 国网天津市电力公司 Vertical axis fan

Similar Documents

Publication Publication Date Title
Bavanish et al. Optimization of power coefficient on a horizontal axis wind turbine using bem theory
CN102052255B (en) Impact type wind-driven generating device
Islam et al. Analysis of the design parameters related to a fixed-pitch straight-bladed vertical axis wind turbine
US7837442B2 (en) Root sleeve for wind turbine blade
US20100166556A1 (en) Partial arc shroud for wind turbine blades
CN113217272B (en) Lift-drag composite vertical axis wind turbine for wind-solar integrated power generation system
Sarma et al. Hybrid/combined Darrieus–Savonius wind turbines: Erstwhile development and future prognosis
JP6954739B2 (en) Rotor for generator
CN205578183U (en) Self -adaptation becomes vertical axis wind -force drive arrangement and aerogenerator of oar
CN104033332A (en) Vertical-axis wind power generation device
AU2011213426A1 (en) High-efficiency high-power vertical axis wind generator
Duran Computer-aided design of horizontal-axis wind turbine blades
CN102269121A (en) Vertical-axis wind driven rotating power generation system
CN205277683U (en) Ladder magnus type rotor blade and wind energy conversion system
CN106321348A (en) Vertical axis fan
CN108119299B (en) Wind-driven generator
CN202176454U (en) Vertical shaft wind power rotating generating system
CN106257048A (en) Blade is provided with the vertical axis aerogenerator of horizontal bar
Peng Influence analysis of wind shear and tower shadow on load and power based on blade element theory
CN204419452U (en) A kind of miniature vertical shaft type wind turbine
EP3396153A1 (en) A combination of a wind jet turbine and a wind turbine
CN109356787B (en) Low-wind-speed self-starting vertical shaft lift-drag composite wind wheel structure of wind driven generator
Asif et al. Parametric study of turbine mounted on train for electricity generation
CN102251931A (en) Vertical shaft wind driven generator
CN202140253U (en) Wind power generator with vertical shaft

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161228