CN202040028U - Lift-drag interconversion type vertical shaft wind driven generator - Google Patents
Lift-drag interconversion type vertical shaft wind driven generator Download PDFInfo
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- CN202040028U CN202040028U CN2011201452900U CN201120145290U CN202040028U CN 202040028 U CN202040028 U CN 202040028U CN 2011201452900 U CN2011201452900 U CN 2011201452900U CN 201120145290 U CN201120145290 U CN 201120145290U CN 202040028 U CN202040028 U CN 202040028U
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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
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- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The utility model discloses a lift-drag interconversion type vertical shaft wind driven generator. The lift-drag interconversion type vertical shaft wind driven generator comprises a wind turbine and a generator set, which are connected through an automatic stepless speed change device, wherein the wind turbine comprises a vertical shaft, a cross shaft, an upright post, a connecting rod, vertical fan blades and horizontal fan blades; the vertical shaft is vertically mounted in the upright post; the vertical fan blades are connected and fixed with the vertical shaft through the connecting rod; the horizontal fan blades are mounted on the cross shaft; and the cross shaft is connected with the vertical shaft through a gear set. The vertical shaft wind driven generator integrates the advantages of a lift-type wind turbine and the advantages of a drag-type wind turbine, and the fan blades exhaust wind, so that the wind driven generator can drive the wind turbine to generate kinetic energy within wider wind speed rangeability; and the fan blades of the wind turbine can be mounted in a layered manner along the vertical shaft to increase the wind catching area to gain greater torsion. The requirement for the strength of the upright post is lower, the construction and maintenance are simpler, the wind turbine can also be used for generating power by wave energy, and under the condition of pure resistance, surge is efficiently used to obtain kinetic energy.
Description
Technical field
The utility model relates to a kind of device that utilizes wind-power electricity generation, especially a kind of liter resistance change type vertical-shaft aerogenerator.
Background technique
Xian Jin wind power equipment MANUFACTURER is mainly in Denmark's (wind-powered electricity generation unit output accounts for half share of world market), Germany and the U.S. in the world.Germany is wind-powered electricity generation machine organize a performance number and the maximum country of capacity in the world, also is the leading country of wind power technology, and the evolution path and the development trend of its wind power technology have been represented the development path and the development trend of world's wind power technology to a certain extent.Increasing single-machine capacity, improving energy conversion efficiency, reduce wind power cost is the improvement target of wind power technology.The physical parameter that influences the unit generate output comprises impeller diameter and axle center height.To the later stage nineties 20th century, can produce MW level wind-powered electricity generation unit, along with the popularization of coastal waters wind power technology, the ratio of wind-powered electricity generation unit in market of 3～5MW level improves day by day.1989～2002 years, the average axle center of German blower fan height increased by 1 times, and impeller diameter increases by 2 times, and generate output has improved about 10 times.
Main force's type of China's wind-powered electricity generation installation at present is the 600kW unit, and main force's type of world's wind-power market is a MW class after 2000, and coastal waters wind-powered electricity generation unit single-machine capacity reaches 3～5MW.From the regulation technology of diameter, axle center height and the wind-powered electricity generation unit of fan blade, China and advanced international standard gap are also bigger.But in recent years, China's wind-powered electricity generation unit manufacturing technology improves rapidly, is expected to dwindle in the near future and catch up with the advanced level that world's wind power equipment is made.One of core technology of modern Wind Power Utilization technology is the stability that energy output is adjusted in control.
Upright shaft wind motor can't carry out speed regulation substantially, and China does not have main equipment to be successfully applied to the large-scale power grid generating at present.Vertical-shaft fan has a variety of, and the conclusion that realizes industrialization of wherein putting into production gets off to have two types: lift-type wind energy conversion system and pure shaft resistance type windmill.Wherein lift-type wind energy conversion system mainstream product has: the Dari eritrea type wind energy conversion system, and other lift-type wind energy conversion systems all are its mutation, and this upright shaft wind motor can obtain higher tip speed ratio, and wind energy utilization is higher, uses comparatively general.And the representational product of resistance type blower fan has the oar blade type wind energy conversion system, a lot of mutation are also arranged, basic principle is the same also to be to utilize vertical shaft both sides moment of torsion not wait to form rotation, because this class wind energy conversion system tip speed ratio is lower, lower to wind energy utilization, but its production, assembling are simple, cost hangs down and has the low characteristics of the big startup wind speed of moment of torsion simultaneously, be mainly used in small wind turbine production, satisfy demands such as small-power illumination, development in nearly 2 years is very fast.Exist between existing wind energy conversion system kind and more significantly be connected tomography, when wind speed does not reach rated wind speed, the lift-type wind energy conversion system can't start, more can't loading generate electricity, though and shaft resistance type windmill startup wind speed is very low, rotating speed is lower, can't satisfy the rotating speed requirement of megawatt-grade high-power generating, the fluctuation of speed simultaneously is bigger, and generating is unstable.So it is general that the market is seen all is horizontal axis feather lift-type wind energy conversion system up to seven, 80 meters, just begins generating when wind speed reaches rating value, the place wind speed is required very harsh; Upright shaft wind motor generally is used for the lighting system of hundreds of kilowatt, because size is less relatively, the blast that produces a little less than, less demanding to vertical rod, to blower fan arrange require not strict, be fit to install in high building roof or the street lamp vertical rod, the upright shaft wind motor outward appearance is multifarious simultaneously, also can be used as urban look at generating while beautifying urban environment.
The model utility content
The utility model technical issues that need to address provide does not a kind ofly have specific (special) requirements to wind speed, is applicable to various installation environments, the upright shaft wind power generation equipment that output speed is stable.
For addressing the above problem, technical solution adopted in the utility model is: a kind of liter resistance change type vertical-shaft aerogenerator, comprise wind energy conversion system and generator set, connect by automatic stepless speed-changing device between wind energy conversion system and the generator set, wind energy conversion system comprises vertical shaft, transverse axis, column, connecting rod, vertical flabellum and horizontal flabellum, vertical shaft is vertically mounted in the column, vertical flabellum is connected and fixed by connecting rod and vertical shaft, horizontal flabellum is installed on the transverse axis, transverse axis is connected with vertical shaft by gear train, wherein horizontal flabellum is the hollow flabellum, at the flabellum root wind inlet is down with the wind arranged, at the exhaust outlet that horizontal flabellum tip segment has and vertical flabellum docks, the root of horizontal flabellum has Locking Device, the tip segment of horizontal flabellum is with spring, vertically flabellum also is a hollow, is provided with vertical rectangular exhaust outlet at vertical flabellum on the face of vertical shaft, and the exhaust outlet direction is opposite with the wind energy conversion system rotation, be provided with the intake grill of the horizontal flabellum of butt joint, adjacent intake grill top is provided with locking engagement.
Described horizontal flabellum quantity is 3, evenly distributes by 120 degree.
Described horizontal flabellum is arranged as one deck or more than one deck along vertical shaft.
Described vertical flabellum is 3, evenly distributes by 120 degree, and corresponding with horizontal flabellum position.
This novel wind direction rudder that also comprises, the wind direction rudder connects with the horizontal gear of the gear mechanism the inside of horizontal flabellum root.
Described gear train comprises the Maltese cross shaftgear, and intermediate gear is fixed on the face gear on the wind direction rudder.
Described Locking Device is the lock groove on lock pin that is connected with horizontal flabellum and the Maltese cross shaftgear that is fixed in the gear train, and lock groove is corresponding with lock pin.
Adopt the beneficial effect that technique scheme produced to be: this is novel when wind speed is little, the wind energy conversion system rotating speed is low, moment of torsion is high, when wind speed was big, rotation speed of fan height, blower fan had the wind of rushing down function, have realized constant rotational speed output substantially by automatic stepless speed-changing device; These novel characteristics that merged lift-type wind energy conversion system and shaft resistance type windmill in the wind speed amplitude of variation of broad, can both be used to drive wind energy conversion system and produce kinetic energy; Wind energy conversion system flabellum part can be installed along the vertical shaft layering, strengthens wind-catching surface, thereby obtains more high pulling torque, is applicable to wind energy conversion system installation back upgraded electricity generation power; Because this is novel to be upright shaft wind motor, generator set is on ground, and center of gravity is low than horizontal-shaft wind turbine, the blast that wind speed is produced when higher is less, lower to the vertical rod requirement of strength, construction maintenance is comparatively simple, can simply transform installation to building top or existing street lamp top.This novel wind motor part can level be installed suitable special occasions because axial portions can reduce blast, and the rotation flabellum also can be used for wave-energy power generation, and under the pure resistance type state, the efficient acquisition kinetic energy of surging that utilizes is realized making full use of of wind energy and wave energy.
Description of drawings
Fig. 1 is the utility model wind energy conversion system structural representation;
Fig. 2 is the horizontal flabellum package assembly of a utility model wind energy conversion system schematic representation;
Fig. 3 is the utility model wind energy conversion system gear train structural representation;
Fig. 4 is the horizontal flabellum plan structure of a utility model wind energy conversion system schematic representation;
Fig. 5 is that the horizontal flabellum of the utility model wind energy conversion system is faced structural representation;
Fig. 6 is the horizontal flabellum sectional structure of a utility model wind energy conversion system schematic representation;
Fig. 7 is the vertical flabellum part-structure of a utility model wind energy conversion system schematic representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail: this new design a kind of upright shaft wind motor, when wind speed was lower than rated wind speed, the design's wind energy conversion system became pure shaft resistance type windmill; Wind speed reaches or when being higher than rated wind speed, the design's wind energy conversion system becomes the lift-type wind energy conversion system; The kinetic energy that wind energy produces drives to ground by the vertical shaft of vertical rod the inside, be connected by cover " automatic stepless speed-changing device " (this equipment patent No.: 200820105997.7 are the inventor's patent) between vertical shaft and generator set, realize the transmission invariablenes turning speed by ECU (Electrical Control Unit), satisfy the requirement of generator rotating speed and frequency.
This novel wind energy conversion system part and generator set part of comprising connects by automatic stepless speed-changing device between wind energy conversion system part and the generator set.The wind energy conversion system part as shown in Figure 1, comprise vertical shaft 5, transverse axis 14, column 6, connecting rod 2, vertical flabellum 1 and horizontal flabellum 3, its neutral axis is vertically mounted in the column, connect by bearing between vertical shaft and the column, vertical shaft can freely rotate in column, vertical flabellum is connected and fixed by connecting rod and vertical shaft, horizontal flabellum is installed on the transverse axis, can be along transverse axis left and right sides play, also can rotate along transverse axis, transverse axis is connected with vertical shaft by gear train 4, and transverse axis connects vertical shaft simultaneously, and wherein horizontal flabellum is the hollow flabellum, at the flabellum root wind inlet 19 is down with the wind arranged, at the exhaust outlet 16 that horizontal flabellum tip segment has and vertical flabellum docks,, the wind inside the horizontal flabellum is transported to vertical flabellum the inside referring to Fig. 4 and Fig. 5 and Fig. 6; The root of horizontal flabellum has Locking Device, the tip segment of horizontal flabellum is with spring 9, horizontal flabellum slides along horizontal axis vertical shaft direction owing to the blade tip spring action when rotating speed is not high enough, the Locking Device locking of root, the locking engagement 8 of leaf tip is separated, horizontal flabellum is followed the rotation of Maltese cross axle, horizontal flabellum is owing to centrifugal action slides along the vertical flabellum direction of horizontal axis when rotating speed is sufficiently high, pressure spring, the Locking Device of root is separated, the locking engagement locking of leaf tip, horizontal flabellum are no longer rotation of level angle.
Described Locking Device is the lock groove 11 on lock pin 18 that is connected with horizontal flabellum and the Maltese cross shaftgear that is fixed in the gear train, and lock groove is corresponding with lock pin.
Vertically flabellum also is a hollow, inside is provided with stiffening rib 21, on the face of vertical shaft, be provided with vertical rectangular exhaust outlet 10 at vertical flabellum, the exhaust outlet direction is opposite with the wind energy conversion system rotation, be provided with the intake grill of the horizontal flabellum of butt joint, adjacent intake grill top is provided with locking engagement 8, utilize the wind of horizontal flabellum the inside to enter from the intake grill 20 on the vertical flabellum, by exhaust outlet 10 diarrhea due to wind-evil is gone out, low speed forms reaction force down, promote vertical flabellum lift at a high speed down, promote vertical flabellum, quicken the wind energy conversion system rotation, referring to as Fig. 4 and Fig. 7, this novel horizontal flabellum is 3, evenly distributes by 120 degree.
In order to change the wind energy conversion system moment of torsion after the installation, horizontal flabellum can be arranged as one deck or more than one deck, referring to Fig. 1 along vertical shaft.
As illustrated in fig. 1 and 2, described vertical flabellum is 3, evenly distribute by 120 degree, and corresponding with horizontal flabellum position.
Described gear train comprises Maltese cross gear 12, be installed in the intermediate gear 13 on " L " type transverse axis 15 and be fixed on face gear 17 on the wind direction rudder 7, face gear maintains static, the intermediate gear that is installed on " L " type transverse axis is connected with face gear by the Maltese cross gear, roll along face gear, its location diagram as shown in Figure 3.
This novel wind motor, because the flabellum rotation, and the flabellum that one side is always arranged makes the moment of torsion on vertical shaft both sides not wait perpendicular to the blast direction, becomes the resistance type blower fan when wind speed is low; When wind speed is higher, horizontal flabellum becomes level, the internal resistance minimum, become the lift-type blower fan, axial portions has effectively reduced wind energy conversion system and has swept the blast that the wind face produces owing to be provided with wind inlet, rush down the air port and increase lift, the rotation of acceleration blower fan has promoted tip speed ratio, the efficient wind energy of utilizing by wind energy conversion system.
Every flabellum was as follows with relation between the vertical shaft rotation during this was novel: when vertical shaft rotation from 0 to 90 was spent, flabellum was from turning 90 degrees; When vertical shaft rotation 90 to 180 was spent, autobiography did not take place in flabellum; When vertical shaft rotation from 180 to 270 was spent, flabellum was from turning 90 degrees; When vertical shaft rotation 270 to 360 was spent, rotation did not take place in flabellum.Do not waited by blast owing to horizontal flabellum on the vertical shaft both sides under the original state, form torsion, horizontal flabellum drives transverse axis and rotates around vertical shaft, owing to ratchet mechanism (gear train) is arranged at horizontal flabellum root, face gear wherein and intermediate gear engagement, face gear can not rotate, and intermediate gear drives the rotation of Maltese cross shaftgear, and the ratchet of Maltese cross shaftgear drives horizontal flabellum rotation.The wind direction rudder connects with the face gear of the gear train the inside of horizontal flabellum root, when wind direction changes, the wind direction rudder drives face gear and adjusts angle, horizontal flabellum also passes through Geneva wheel Geneva gear angle of rotation thereupon, because the drive connection between the gear structure does not change, so no matter which side the wind direction rudder swung to, the initial angle between the horizontal flabellum can not change, and the windward side and the wind direction of whole wind machine remain best angle.
Claims (7)
1. one kind rises resistance change type vertical-shaft aerogenerator, it is characterized in that: comprise wind energy conversion system and generator set, connect by automatic stepless speed-changing device between wind energy conversion system and the generator set, wind energy conversion system comprises vertical shaft (5), transverse axis (14), column (6), connecting rod (2), vertical flabellum (1) and horizontal flabellum (3), vertical shaft is vertically mounted in the column, vertical flabellum is connected and fixed by connecting rod and vertical shaft, horizontal flabellum is installed on the transverse axis, transverse axis is connected with vertical shaft by gear train (4), wherein horizontal flabellum is the hollow flabellum, at the flabellum root wind inlet (19) is down with the wind arranged, at the exhaust outlet (16) that horizontal flabellum tip segment has and vertical flabellum docks, the root of horizontal flabellum has Locking Device, and the tip segment of horizontal flabellum is with spring (9), and vertically flabellum also is a hollow, on the face of vertical shaft, be provided with vertical rectangular exhaust outlet (10) at vertical flabellum, the exhaust outlet direction is opposite with the wind energy conversion system rotation, is provided with the intake grill of the horizontal flabellum of butt joint, and adjacent intake grill top is provided with locking engagement (8).
2. liter resistance change type vertical-shaft aerogenerator according to claim 1 is characterized in that described horizontal flabellum quantity is 3, evenly distributes by 120 degree.
3. liter according to claim 1 and 2 resistance change type vertical-shaft aerogenerator is characterized in that described horizontal flabellum is arranged as one deck or more than one deck along vertical shaft.
4. liter resistance change type vertical-shaft aerogenerator according to claim 1 is characterized in that described vertical flabellum is 3, evenly distributes by 120 degree, and corresponding with horizontal flabellum position.
5. liter resistance change type vertical-shaft aerogenerator according to claim 1 is characterized in that also comprising wind direction rudder (7), and the wind direction rudder connects with the face gear of the gear mechanism the inside of horizontal flabellum root.
6. liter resistance change type vertical-shaft aerogenerator according to claim 1 is characterized in that described gear train comprises Maltese cross shaftgear (12), and intermediate gear (13) is fixed on the face gear (17) on the wind direction rudder.
7. liter resistance change type vertical-shaft aerogenerator according to claim 1, it is characterized in that described Locking Device for the lock pin (18) that is connected with horizontal flabellum be fixed on lock groove (11) on the Maltese cross shaftgear in the gear train, lock groove is corresponding with lock pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201452900U CN202040028U (en) | 2011-05-10 | 2011-05-10 | Lift-drag interconversion type vertical shaft wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201452900U CN202040028U (en) | 2011-05-10 | 2011-05-10 | Lift-drag interconversion type vertical shaft wind driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN202040028U true CN202040028U (en) | 2011-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201452900U Expired - Fee Related CN202040028U (en) | 2011-05-10 | 2011-05-10 | Lift-drag interconversion type vertical shaft wind driven generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296041A (en) * | 2018-03-22 | 2019-10-01 | 梁北岳 | One axis multimachine aerodynamic decelerator single armed of jack-post structure rises resistance and combines vertical axis windmill |
-
2011
- 2011-05-10 CN CN2011201452900U patent/CN202040028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296041A (en) * | 2018-03-22 | 2019-10-01 | 梁北岳 | One axis multimachine aerodynamic decelerator single armed of jack-post structure rises resistance and combines vertical axis windmill |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20130510 |