CN207080315U - One kind rises resistance mating type vertical axis windmill - Google Patents
One kind rises resistance mating type vertical axis windmill Download PDFInfo
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- CN207080315U CN207080315U CN201721025813.1U CN201721025813U CN207080315U CN 207080315 U CN207080315 U CN 207080315U CN 201721025813 U CN201721025813 U CN 201721025813U CN 207080315 U CN207080315 U CN 207080315U
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- outer leafs
- axostylus axostyle
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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
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Abstract
The utility model discloses one kind to rise resistance mating type vertical axis windmill, including axostylus axostyle, inward turning rotation mechanism, typed rotary mechanism outside, the intra vane rotated around the axostylus axostyle axis direction and outer leafs；The intra vane and the outer leafs use twist mode blade, and the shapes and sizes of each cross section of the outer leafs are consistent；The angle of the radial direction of the mid-chord of the outer leafs and the radial direction of the intra vane end is alternate angle；On the arbitrary cross section of wind energy conversion system, the size of the alternate angle is consistent；The intra vane is rotatably connected by inward turning rotation mechanism with the axostylus axostyle, and the outer leafs are rotatably connected by typed rotary mechanism outside with the axostylus axostyle.Mating type vertical axis windmill is hindered using a kind of rise of the present utility model, can be started with relatively low torque, and possess higher wind energy utilization.
Description
Technical field
The utility model belongs to wind turbine technology field, is related to a kind of rise and hinders mating type vertical axis windmill.
Background technology
How increasingly consumption with fossil fuel and the continuous attention to environmental problem, develop to regenerative resource
Utilize the important topic for being countries in the world.Wherein, wind energy is excellent by big, the widely distributed and development technique more maturation of its reserves etc.
Point and as can in renewable sources of energy domain an important part.
The seizure and utilization of wind energy are mainly by the wind energy receiving device of wind energy conversion system, according to the rotating shaft of wind energy conversion system relative to gas
Wind energy conversion system can be divided into horizontal-shaft wind turbine and vertical axis windmill by the arrangement in stream direction.Existing vertical axis windmill is main
There are lift-type, resistance-type and rise the resistance class of mating type three.
Lift vertical shaft wind energy conversion system staring torque is small, it is desirable to which threshold wind velocity is bigger, is difficult to start at a lower wind speed.
Though resistance-type vertical axis wind turbine can provide larger staring torque compared with low wind speeds, when wind speed is higher its wind energy utilization compared with
It is low.Although solve opening certainly for blower fan to a certain extent using H types prismatic blade and the liter resistance mating type blower fan of S type semi-circular blades
Dynamic problem, but due to the larger difference of tip speed ratio under two class blade optimal operating conditions, under low wind speed condition lift force blade without
Method provides useful lift, and adds structure complexity and weight so that its needs is bigger than single shaft resistance type windmill
Staring torque, resistance blade linear velocity, which is slower than wind speed, under the conditions of high wind speed can produce larger resistance, reduce its wind energy utilization.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provide it is a kind of rise resistance mating type vertical axis windmill, can with compared with
Low torque starts, and possesses higher wind energy utilization.
In order to solve the above problems, the utility model is achieved by following technical scheme：
A kind of rise described in the utility model hinders mating type vertical axis windmill, including axostylus axostyle, inward turning rotation mechanism, outer whirler
Structure, the intra vane rotated around the axostylus axostyle axis direction and outer leafs；
The intra vane and the outer leafs use twist mode blade, the shape of each cross section of the outer leafs and
Size is consistent；
The angle of the radial direction of the mid-chord of the outer leafs and the radial direction of the intra vane end is alternate angle；In wind-force
On the arbitrary cross section of machine, the size of the alternate angle is consistent；
The intra vane is rotatably connected by inward turning rotation mechanism with the axostylus axostyle, the outer leafs by typed rotary mechanism outside with
The axostylus axostyle rotatable connection.
Further, the intra vane is shaped as circular arc tubular, and the top and bottom of the intra vane are mutually reversed, described
Intra vane cross section is shaped as semicircular arc.
Further, the outer leafs are shaped as elongated sheet, and are the C fonts that spiral about the axostylus axostyle, institute
That states the cross section of outer leafs is shaped as asymmetrical aerofoil profile.
Further, the inward turning rotation mechanism includes the sleeve rotated around the axostylus axostyle axis direction；
The sleeve is rotatablely connected with the axostylus axostyle；The intra vane is arranged on the sleeve.
Further, the typed rotary mechanism outside includes the supporting disk and supporting arm rotated around the axostylus axostyle axis direction；
The supporting disk is located at the both sides up and down of the axostylus axostyle, and is rotatablely connected with the axostylus axostyle；The two of the outer leafs
End is arranged on the supporting disk by the supporting arm.
Further, the fin shape being shaped as providing upward lift of the supporting arm.
Further, the supporting arm is with cambered fin shape；
The radian is the conic section for improving upward lift.
Further, the alternate angle is 15 °~45 °.
Further, the upright projection of the outer leafs joins end to end, and is linked to be a circumference.
Further, the angle of the string of a musical instrument of the outer leafs arbitrary cross section and the tangent line of the outer leafs rotational trajectory
For -5 °~5 °.
Compared with prior art, the beneficial effects of the utility model are：The outer leafs of wind energy conversion system use the blade of twist mode,
It is provided with appropriate windup-degree so that outer leafs are in the projected area all same of all angles, the outer leafs so set
The utilization rate of its wind energy is not only added, dependence of the wind energy conversion system to direction of flow is also reduced, improves its startability, make
Wind-force function is obtained with relatively low torque to start.
The intra vane of wind energy conversion system uses the blade of twist mode, resistance caused by its high-speed rotation can be reduced, so as to carry
The overall wind energy utilization of high wind energy conversion system；, can be past with leader air-flow and the intra vane of wind energy conversion system uses twist mode blade
Blade both ends are flowed, and reduce the wing-tip vortex at blade both ends, so as to improve the overall performance of wind energy conversion system.
Alternate angle is consistent in each cross section so that outer leafs and phase difference one of the intra vane in each cross section
Cause, it is ensured that outer leafs are also consistent in the average torque suffered by each cross section with intra vane in a swing circle, avoid
Reduce the effective driving force of blade because the moment variations rate of each cross section is different, effectively improve wind energy conversion system service life and
Improve the utilization ratio of wind energy.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the vertical axis windmill schematic diagram that the utility model embodiment provides；
Fig. 2 is the intra vane schematic top plan view that the utility model embodiment provides；
Fig. 3 is the outer leafs schematic top plan view that the utility model embodiment provides；
Fig. 4 is the supporting arm schematic elevation view that the utility model embodiment provides；
Fig. 5 is the vertical axis windmill cross-sectional view that the utility model embodiment provides；
Fig. 6 is the outer leafs cross-sectional view that the utility model embodiment provides；
Intra vane and the moment coefficient figure of outer leafs when the alternate angle that the utility model embodiment provides during Fig. 7 is 15 °；
In figure：1- axostylus axostyles；2- intra vanes；3- outer leafs；4- sleeves；5- supporting disks；6- supporting arms.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As shown in figure 1, a kind of rise described in the utility model hinders mating type vertical axis windmill, including axostylus axostyle 1, internal rotation
Mechanism, typed rotary mechanism outside, the intra vane 2 rotated around the axis direction of axostylus axostyle 1 and outer leafs 3.
As Figure 1-3, intra vane 2 is shaped as circular arc tubular, and the top and bottom of intra vane 2 are mutually reversed, intra vane 2
Cross section be shaped as semicircular arc；Outer leafs 3 are shaped as elongated sheet, and helically surround the C fonts of axostylus axostyle 1,
The cross section of outer leafs 3 is shaped as asymmetrical aerofoil profile, is that the shapes and sizes of each cross section of outer leafs 3 are consistent；
Intra vane 2 is rotatably connected by inward turning rotation mechanism with axostylus axostyle 1, and outer leafs 3 are rotatably connected by typed rotary mechanism outside with axostylus axostyle 1.Adopt
With the outer leafs 3 so designed after there is provided appropriate windup-degree so that outer leafs 3 are equal in the projected area of all angles
Identical, the outer leafs 3 so set not only add the utilization rate of its wind energy, also reduce dependence of the wind energy conversion system to direction of flow
Property, improve its startability so that wind-force function is started with relatively low torque；Using the intra vane 2 so designed, upper end with
Lower end is mutually reversed, and can reduce resistance caused by its high-speed rotation, so as to improve the overall wind energy utilization of wind energy conversion system；And
Using the intra vane 2 so designed, it can be flowed with leader air-flow toward blade both ends, reduce the attachment whirlpool at blade both ends, from
And improve the overall performance of wind energy conversion system.
As shown in figure 5, the string of a musical instrument of outer leafs 3 is on the cross section of outer leafs 3, the line at the head and the tail both ends of outer leafs 3；Outer leafs
The angle of the radial direction of 3 mid-chord and the radial direction of intra vane 2 is alternate angle α, as a kind of embodiment, in any of wind energy conversion system
On cross section, outer leafs 3 are consistent with the alternate angle α of intra vane 2 size, and alternate angle α is 15 °~45 °.Outer leafs 3 with it is interior
The alternate angle α of blade 2 is consistent in each cross section so that outer leafs 3 keep one with intra vane 2 in each cross section
The phase difference of cause, outer leafs 3 and intra vane 2 possess in each cross section torque, avoid due to each cross section
Torque is inconsistent and causes the deformation of blade and the waste of wind energy, effectively improves the service life of wind energy conversion system and improves wind energy
Utilization ratio.As shown in fig. 7, the figure is outer leafs 3 with the alternate angle α of intra vane 2 when being 15 °, and in all directions, outer leafs
3 and the moment coefficient figure of intra vane 2；When by the alternate angle α of outer leafs 3 and intra vane 2 being 15 °~45 ° so that wind energy conversion system is overall
The torque of positive direction is obtained in very big range of angles of attack, so as to strengthen the overall aeroperformance of wind wheel；Outer leafs 3 and intra vane
2 alternate angle α determines according to parameters such as the diameters of the number of blade of wind energy conversion system, the chord length of blade and blower fan.
As shown in figure 1, inward turning rotation mechanism includes the sleeve 4 rotated around the axis direction of axostylus axostyle 1, sleeve 4 rotates with axostylus axostyle 1 to be connected
Connect, intra vane 2 is arranged on sleeve 4.In the present embodiment, inward turning rotation mechanism is sleeve 4, passes through the energy of 4 intra vane of sleeve 2
Rotated around axostylus axostyle 1 so that intra vane 2, which can be caught, grabs and utilize wind energy.
Typed rotary mechanism outside includes the supporting disk 5 and supporting arm 6 rotated around the axis direction of axostylus axostyle 1；Supporting disk 5 is located at axostylus axostyle 1
Both sides up and down, and be rotatablely connected with axostylus axostyle 1；The both ends of outer leafs 3 are arranged on supporting disk 5 by supporting arm 6.In embodiment
In, typed rotary mechanism outside is supporting disk 5 and support arm 6, and outer leafs 3 are connected by supporting arm 6 with supporting disk 5, and are revolved around axostylus axostyle 1
Turn so that outer leafs 3, which can be caught, grabs and utilize wind energy.
The fin shape for being shaped as providing upward lift when wind energy conversion system rotates of supporting arm 6, the supporting arm 6 of the fin shape
Also with cambered, the radian is improves the conic section of upward lift.Supporting arm 6 can be caused using the structure of fin shape
Wind energy conversion system can obtain upward lift when rotating, and effectively reduce the bearing wear of vertical axis windmill, and being advantageous to extend it makes
Use the life-span；The supporting arm 6 of the fin shape carries the radian of conic section shape, effectively increases its range of angles of attack windward, favorably
Its caused upward lift in raising.
The upright projection of outer leafs 3 joins end to end, and is linked to be a circumference.As a kind of embodiment, as shown in figure 3, siphonal lobe
The radial direction angle β at the midpoint of the string of a musical instrument of the cross section at the both ends of piece 3 is 120 °, and the quantity of outer leafs is 3, now outer leafs 3
Upright projection join end to end, and be linked to be a circumference.Joined end to end using multiple upright projections and be linked to be the outer leafs of a circumference
3, so that the overall Mass Distribution of wind energy conversion system is uniform, is not only advantageous to reduce the staring torque of wind energy conversion system, also wind energy conversion system is existed
Good stability can be possessed during high-speed rotation, advantageously ensure that wind energy conversion system is efficiently and stably run.
As shown in fig. 6, the angle of the string of a musical instrument of the arbitrary cross section of outer leafs 3 and the tangent line of the rotational trajectory of outer leafs 3 is γ
For -5 °~5 °.The positive negative direction of the γ can be judged that the string of a musical instrument that the right hand four refers to from outer leafs 3 refers to using right-hand rule
To the tangent line of the rotational trajectory of outer leafs 3, it is negative under the sensing of thumb just to be in the sensing of thumb.The γ angles of outer leafs 3
At -5 °~5 °, higher wind energy utilization can be obtained, ensure that wind-force function is efficiently and stably run.
A kind of other structures for rising resistance mating type vertical axis windmill are referring to prior art described in the present embodiment, herein no longer
Repeat.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, it is therefore every without departing from the content of the technical scheme of the utility model, implement according to the technical essence of the utility model to more than
Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. one kind rises resistance mating type vertical axis windmill, it is characterised in that：Including axostylus axostyle, inward turning rotation mechanism, typed rotary mechanism outside, around
The intra vane and outer leafs that the axostylus axostyle axis direction rotates；
The intra vane and the outer leafs use twist mode blade, the shapes and sizes of each cross section of the outer leafs
It is consistent；
The angle of the radial direction of the mid-chord of the outer leafs and the radial direction of the intra vane end is alternate angle；Appoint in wind energy conversion system
On the cross section of meaning, the size of the alternate angle is consistent；
The intra vane is rotatably connected by inward turning rotation mechanism with the axostylus axostyle, the outer leafs by typed rotary mechanism outside with it is described
Axostylus axostyle is rotatably connected.
2. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The shape of the intra vane
For circular arc tubular, the top and bottom of the intra vane are mutually reversed, and the intra vane cross section is shaped as semicircular arc.
3. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The shape of the outer leafs
For elongated sheet, and it is the C fonts for spiraling about the axostylus axostyle, the cross section of the outer leafs is shaped as the asymmetrical wing
Type.
4. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The inward turning rotation mechanism bag
Include the sleeve rotated around the axostylus axostyle axis direction；
The sleeve is rotatablely connected with the axostylus axostyle；The intra vane is arranged on the sleeve.
5. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The typed rotary mechanism outside bag
Include the supporting disk and supporting arm rotated around the axostylus axostyle axis direction；
The supporting disk is located at the both sides up and down of the axostylus axostyle, and is rotatablely connected with the axostylus axostyle；The both ends of the outer leafs lead to
The supporting arm is crossed on the supporting disk.
6. a kind of according to claim 5 rise resistance mating type vertical axis windmill, it is characterised in that：The shape of the supporting arm
For the fin shape for providing upward lift.
7. a kind of according to claim 6 rise resistance mating type vertical axis windmill, it is characterised in that：The supporting arm be with
The fin shape of radian；
The radian is the conic section for improving upward lift.
8. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The alternate angle is 15 °
~45 °.
9. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The outer leafs it is vertical
Projection joins end to end, and is linked to be a circumference.
10. a kind of according to claim 1 rise resistance mating type vertical axis windmill, it is characterised in that：The outer leafs are any
The angle of the string of a musical instrument of cross section and the tangent line of the outer leafs rotational trajectory is -5 °~5 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025813.1U CN207080315U (en) | 2017-08-16 | 2017-08-16 | One kind rises resistance mating type vertical axis windmill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025813.1U CN207080315U (en) | 2017-08-16 | 2017-08-16 | One kind rises resistance mating type vertical axis windmill |
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| Publication Number | Publication Date |
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| CN207080315U true CN207080315U (en) | 2018-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355341A (en) * | 2017-08-16 | 2017-11-17 | 广州市香港科大霍英东研究院 | One kind rises resistance mating type vertical axis windmill |
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2017
- 2017-08-16 CN CN201721025813.1U patent/CN207080315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107355341A (en) * | 2017-08-16 | 2017-11-17 | 广州市香港科大霍英东研究院 | One kind rises resistance mating type vertical axis windmill |
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