CN205689362U - A kind of adjustable propeller vertical axis wind turbine rotor - Google Patents
A kind of adjustable propeller vertical axis wind turbine rotor Download PDFInfo
- Publication number
- CN205689362U CN205689362U CN201620560470.8U CN201620560470U CN205689362U CN 205689362 U CN205689362 U CN 205689362U CN 201620560470 U CN201620560470 U CN 201620560470U CN 205689362 U CN205689362 U CN 205689362U
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- China
- Prior art keywords
- wind wheel
- blade
- type
- vertical axis
- rotary shaft
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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
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
A kind of adjustable propeller vertical axis wind turbine rotor, including the wind wheel group arranged on the rotary shaft, electromotor is connected bottom described rotary shaft, described electromotor connects accumulator, it is characterized in that, described wind wheel group includes lifting wind wheel and resistance-type wind wheel, the upper and lower of described lifting wind wheel is respectively mounted a resistance-type wind wheel, described resistance-type wind wheel is directly arranged in rotary shaft, described lifting wind wheel connects rotary shaft by connecting rod, the vane tip of described lifting wind wheel is provided with wind vane, blade inlet edge is provided with sensor, it is additionally provided with control chamber in described rotary shaft, connect on control chamber and have adjusted device, the adjusted device other end connects in the middle part of lifting wind wheel blade.This utility model is acted on so that the angle of attack of lift-type blade remains at optimum position jointly by wind vane, sensor, adjusted device and controller, and the wind energy utilization of vertical axis windmill is greatly improved.
Description
Technical field
This utility model relates to wind energy conversion system, especially relevant with a kind of mixed type adjustable propeller vertical axis wind turbine rotor.
Background technology
Existing vertical axis windmill mainly has: the vertical axis windmill of lifting wind wheel, the vertical axis of resistance-type wind wheel
Wind energy conversion system and the vertical axis windmill of mixed type wind wheel.Vertical axis windmill for lifting wind wheel, although output phase
Higher to resistance-type, but its threshold wind velocity is higher；And although the vertical axis windmill of resistance-type wind wheel is the most permissible at low wind speeds
Start, but output is less；For mixed type vertical axis wind energy conversion system compares first two wind energy conversion system, existing higher output
Also there is relatively low threshold wind velocity, but owing to lift-type blade and resistance-type vane group are combined so that resistance-type blade exists
Have impact on the interior flow field of lifting wind wheel during rotation, cause wind energy utilization the most relatively low, and all existing vertical-shaft winds
Machine all cannot realize tune oar truly and control.
Utility model content
This utility model provides a kind of mixed type adjustable propeller vertical axis wind turbine rotor, to solve above-mentioned prior art not
Foot, is respectively mounted a resistance-type wind wheel in the upper and lower of lifting wind wheel, and by wind vane, sensor, tuning machine
Structure and controller act on jointly so that the angle of attack of lift-type blade remains at optimum position, and vertical axis windmill is greatly improved
Wind energy utilization.
In order to realize the purpose of this utility model, plan employing techniques below:
A kind of adjustable propeller vertical axis wind turbine rotor, including the wind wheel group arranged on the rotary shaft, bottom described rotary shaft
Connecting electromotor, described electromotor connects accumulator, it is characterised in that described wind wheel group includes lifting wind wheel and resistance-type wind
Wheel, the upper and lower of described lifting wind wheel is respectively mounted a resistance-type wind wheel, and described resistance-type wind wheel is directly arranged in rotation
In rotating shaft, described lifting wind wheel connects rotary shaft by connecting rod, and the vane tip of described lifting wind wheel is provided with wind vane, leaf
Sheet leading edge is provided with sensor, and described rotary shaft is additionally provided with control chamber, on control chamber connect have adjusted device, adjusted device another
End connects in the middle part of lifting wind wheel blade, described wind vane electrical connection sensor, described sensor electrical connection control chamber.
Described rotary shaft is divided into epimere, stage casing, hypomere, passes through Flange joint between each section.
Described connecting rod is one group, and its one end is each attached in rotary shaft and can rotate with rotary shaft, and the other end connects respectively
The upper and lower of lifting wind wheel blade, distance blade two ends are the 1/6 of length of blade.
Described control chamber can rotate with rotary shaft, is provided with multiple separate controller in control chamber, and adjusted device is also
For multiple, controller, adjusted device, lifting wind wheel blade quantity consistent.
Described each controller correspondence connects an adjusted device, and adjusted device correspondence connects a lifting wind wheel leaf
Sheet.
Described lifting wind wheel is made up of 3 blades, and the angle between each blade is 120 degree.
The leading edge of described lifting wind wheel blade has been evenly arranged 10 sensors.
Described resistance-type wind wheel is made up of 2 S type blades, and between 2 S type blades, angle is 180 degree.
Described resistance-type rotor diameter is the 1/3 of lifting wind wheel diameter.
In rotary course, the angle of attack a of described lifting wind wheel blade remains definite value, so that blade is in any position
Put and can keep optimum angle of attack.
The beneficial effects of the utility model are:
1, the resistance-type wind wheel being made up of the S type blade that two 2 angles are 180 degree, work surface and the back side is used to be formed
Bigger pressure reduction so that impeller has bigger moment, thus easier achieving starts at low wind speeds；
2, when rotated, jointly acted on so that lifting wind wheel leaf by wind vane, sensor, adjusted device and controller
The angle of attack a of sheet remains at optimum position, and no matter blade rotates to any position, and the angle of attack a of blade remains constant, from
And make blade have best aeroperformance, the wind energy utilization of vertical axis windmill is greatly improved；
3, it is arranged on the situation within lifting wind wheel compared to the resistance-type blade of prior art, in this utility model two
Individual resistance-type wind wheel lays respectively at the upper and lower of lifting wind wheel, and the internal complicated flowing of resistance-type wind wheel does not interferes with liter
Flow Field Distribution in power type wind wheel, will not make wind energy utilization be restricted, thus this wind wheel can be made to have better performance；
4, each blade inlet edge is evenly arranged 10 sensors, greatly improves the accuracy of data acquisition of sensing, is conducive to
Carry out accurate tuning control；
5, each controller is separate, can individually control the adjusted device being attached thereto, thus individually control
The angle of attack of each corresponding blade, is independent of each other with other controllers, adjusted device, blade；
6, lifting wind wheel blade can use any kind of lift-type blade, and range is wider；
7, connecting rod connects the upper and lower of lifting wind wheel blade, and distance blade two ends are the 1/6 of length of blade, this
The size design of sample, both can make blade keep stable, and in making again wind wheel, air-flow is relatively stable, does not affect the measurement of wind direction, if
It is directly installed on blade two ends, the certainty of measurement of wind direction will be affected；
8, main by lifting wind wheel output after wind wheel starts, therefore by after calculating by resistance-type rotor diameter
It is defined as 1/3 for lifting wind wheel diameter, both can guarantee that whole combined wind wheel started at low wind speeds, again will not be because of resistance
Type wind wheel is excessive and affects the power output of combined wind wheel, and this dimension scale effect is best；
9, this utility model is better than existing lifting wind wheel and resistance-type wind wheel, and structure and principle are different from existing
Any mixed type wind wheel, more easily starts, and wind energy utilization is higher, and easy to implement and application.
Accompanying drawing explanation
Fig. 1 shows overall structure schematic diagram of the present utility model.
Fig. 2 shows lifting wind wheel speed triangle in rotary course Leaf aerofoil profile.
Lift that Fig. 3 shows in Fig. 2 on 3 vane airfoil profiles and resistance.
Fig. 4 shows the profile in the middle part of lifting wind wheel.
Fig. 5 shows the flow field of resistance-type wind wheel.
Wherein, 1 be rotary shaft, 11 be flange, 2 be electromotor, 3 be accumulator, 4 be resistance-type wind wheel, 41 for S type leaf
Sheet, 5 be lifting wind wheel, 51 be connecting rod, 52 be vane airfoil profile, 6 be control chamber, 61 be controller, 7 be wind vane, 8 for tuning
Mechanism, 9 it is sensor.
Detailed description of the invention
As shown in Fig. 1～5, a kind of adjustable propeller vertical axis wind turbine rotor, including the wind wheel group being arranged in rotary shaft 1,
Connecting electromotor 2 bottom described rotary shaft 1, described electromotor 2 connects accumulator 3.Concrete, described rotary shaft 1 be divided into epimere,
Stage casing, hypomere, connected by flange 11 between each section.Described wind wheel group includes lifting wind wheel 5 and resistance-type wind wheel 4, described
Lifting wind wheel 5 is arranged on stage casing, and described resistance-type wind wheel 4 is separately mounted to epimere and hypomere, lays respectively at lifting wind wheel 5
Upper and lower.Described resistance-type wind wheel 4 is directly arranged in rotary shaft 1, and described lifting wind wheel 5 connects rotation by connecting rod 51
Rotating shaft 1, connecting rod 51 is one group, and its one end is each attached in rotary shaft 1 to rotate with rotary shaft 1, and the other end connects lift respectively
The upper and lower of type wind wheel 5 blade, distance blade two ends are the 1/6 of length of blade, compared to being directly installed on blade two
The situation of end, this position sets and blade both can have been made to keep stable, and in making again wind wheel, air-flow is relatively stable, does not interferes with wind direction
Certainty of measurement.Described resistance-type wind wheel 4 is made up of 2 S type blades 41, and between 2 S type blades 41, angle is 180 degree.Described liter
Power type wind wheel 5 is made up of 3 blades, and the angle between each blade is 120 degree.The described a diameter of lift-type of resistance-type wind wheel 4
The 1/3 of wind wheel 5 diameter, both can guarantee that whole wind wheel group started at low wind speeds, will not affect because resistance-type wind wheel 4 is excessive again
The power output of whole wind wheel group.The vane tip of described lifting wind wheel 5 is provided with wind vane 7, and blade inlet edge is provided with sensor
9.Described sensor 9 has 10, is evenly arranged in blade inlet edge.It is additionally provided with control chamber 6 in described rotary shaft 1, control chamber 6 connects
Being connected to adjusted device 8, adjusted device 8 other end connects in the middle part of lifting wind wheel 5 blade.Concrete, described control chamber 6 can be with rotation
Rotating shaft 1 rotates, and is provided with multiple separate controller 61 in control chamber 6, and adjusted device 8 is also multiple, controller 61, tuning
Mechanism 8, lifting wind wheel 5 blade quantity consistent.Described each controller 61 is corresponding connects an adjusted device 8, tuning machine
Structure 8 is corresponding connects lifting wind wheel 5 blade.Described wind vane 7 is electrically connected sensor 9, and described sensor 9 is electrically connected
Control chamber 6.
Working method: at low wind speeds, starts by two resistance-type wind wheels 4, then drives lifting wind wheel 5 to rotate；When
When lifting wind wheel 5 rotates, wind direction signals is sent to controller 61 by wind vane 7 and sensor 9, and then controller 61 sends finger
Order, is regulated the upwind position of lifting wind wheel 5 blade, is illustrated in figure 2 the blade profile of lifting wind wheel 5 by adjusted device 8
Speed triangle in type 52, v be wind speed, u be leaf line speed, w be relative wind velocity, a be the angle of attack, make angle of attack a remain
In an optimal fixed value, thus can ensure that it is rotated in any position, all there is optimal effect windward.It is illustrated in figure 3 liter
Lift L, resistance D on the vane airfoil profile 52 of power type wind wheel 5 analyze, and when blade keeps angle of attack a, lift L is maximum, and resistance D is
Little, wind energy conversion system so can be made to have higher power to export, it is achieved that the efficient utilization of wind energy.As shown in Figure 4, each controller 61
It is separate, can individually control the adjusted device 8 being attached thereto, thus individually control each corresponding lifting wind wheel leaf
The angle of attack a of sheet, is independent of each other with other controllers 61, adjusted device 8, blade.It is illustrated in figure 5 the flow field of resistance-type wind wheel,
It can be seen that the internal complicated flowing of resistance-type wind wheel 4 does not interferes with the Flow Field Distribution in lifting wind wheel 5, wind energy will not be made
Utilization rate is restricted, thus this wind wheel can be made to have better performance.
This utility model is on the basis of former mixed type vertical axis wind energy conversion system, in the upper and lower of lifting wind wheel respectively
One resistance-type wind wheel is installed, and given each blade independently installed one group adjust paddle structure, by wind vane, sensor, tuning
The angle of attack that the common effect of mechanism and controller controls lift-type blade remains at optimum position.So no matter lift-type
Blade rotates to any position, and its angle of attack all can be maintained at optimum position, has higher than other vertical axis windmill existing
Wind energy utilization, thus realize the efficient utilization of wind energy.
Claims (9)
1. an adjustable propeller vertical axis wind turbine rotor, including the wind wheel group being arranged in rotary shaft (1), described rotary shaft (1)
Bottom connects electromotor (2), and described electromotor (2) connects accumulator (3), it is characterised in that described wind wheel group includes lift-type
Wind wheel (5) and resistance-type wind wheel (4), the upper and lower of described lifting wind wheel (5) is respectively mounted a resistance-type wind wheel
(4), described resistance-type wind wheel (4) is directly arranged in rotary shaft (1), and described lifting wind wheel (5) connects rotation by connecting rod (51)
Rotating shaft (1), the vane tip of described lifting wind wheel (5) is provided with wind vane (7), and blade inlet edge is provided with sensor (9), described rotation
Being additionally provided with control chamber (6) in rotating shaft (1), the upper connection of control chamber (6) has adjusted device (8), and adjusted device (8) other end connects liter
In the middle part of power type wind wheel (5) blade, described wind vane (7) electrical connection sensor (9), described sensor (9) electrical connection controls
Case (6).
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that described rotary shaft (1) is divided into
Epimere, stage casing, hypomere, connected by flange (11) between each section.
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that described connecting rod (51) is one
Group, its one end is each attached to rotary shaft (1) and above and can rotate with rotary shaft (1), and the other end connects lifting wind wheel (5) leaf respectively
The upper and lower of sheet, distance blade two ends are the 1/6 of length of blade.
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that described control chamber (6) can be with
Rotary shaft (1) rotates, and is provided with multiple separate controller (61) in control chamber (6), and adjusted device (8) is also multiple, control
Device processed (61), adjusted device (8), lifting wind wheel (5) blade quantity consistent.
Adjustable propeller vertical axis wind turbine rotor the most according to claim 4, it is characterised in that described each controller (61)
One adjusted device (8) of corresponding connection, adjusted device (8) is corresponding connects lifting wind wheel (5) blade.
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that described lifting wind wheel (5)
Being made up of 3 blades, the angle between each blade is 120 degree；Described resistance-type wind wheel (4) is by 2 S type blade (41) groups
Becoming, between 2 S type blade (41), angle is 180 degree.
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that described lifting wind wheel (5)
The leading edge of blade has been evenly arranged 10 sensors (9).
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that described resistance-type wind wheel (4)
The 1/3 of a diameter of lifting wind wheel (5) diameter.
Adjustable propeller vertical axis wind turbine rotor the most according to claim 1, it is characterised in that in rotary course, described
The angle of attack a of lifting wind wheel (5) blade remains definite value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620560470.8U CN205689362U (en) | 2016-06-09 | 2016-06-09 | A kind of adjustable propeller vertical axis wind turbine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620560470.8U CN205689362U (en) | 2016-06-09 | 2016-06-09 | A kind of adjustable propeller vertical axis wind turbine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689362U true CN205689362U (en) | 2016-11-16 |
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ID=57427228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620560470.8U Expired - Fee Related CN205689362U (en) | 2016-06-09 | 2016-06-09 | A kind of adjustable propeller vertical axis wind turbine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205689362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927473A (en) * | 2016-06-09 | 2016-09-07 | 西华大学 | Adjustable-pitch propeller vertical axis wind turbine rotor |
| CN112526170A (en) * | 2020-12-01 | 2021-03-19 | 方曼珊 | Wind vane self-aligning calibrating device |
-
2016
- 2016-06-09 CN CN201620560470.8U patent/CN205689362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927473A (en) * | 2016-06-09 | 2016-09-07 | 西华大学 | Adjustable-pitch propeller vertical axis wind turbine rotor |
| CN112526170A (en) * | 2020-12-01 | 2021-03-19 | 方曼珊 | Wind vane self-aligning calibrating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20161116 Termination date: 20200609 |