CN207246105U - A kind of fan blade and impeller of ternary distortion wind turbine - Google Patents
A kind of fan blade and impeller of ternary distortion wind turbine Download PDFInfo
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- CN207246105U CN207246105U CN201721147518.3U CN201721147518U CN207246105U CN 207246105 U CN207246105 U CN 207246105U CN 201721147518 U CN201721147518 U CN 201721147518U CN 207246105 U CN207246105 U CN 207246105U
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Abstract
The utility model discloses the fan blade and impeller of a kind of ternary distortion wind turbine, impeller is equipped with several fan blades, the fan blade body includes front, the reverse side being oppositely arranged, the spatial form of the neutral surface being equipped with fan blade body between front, reverse side, front or back or neutral surface is determined by control line group.The blade shape Controlling model of the utility model has definite shape, and the measurement of shape can be carried out by projecting apparatus measuring instrument or three-coordinates measuring machine, the impeller with the fan blade for meeting the utility model construction, can provide the air-flow of high wind pressure very energy savingly and mute.The utility model is used for wind turbine.
Description
Technical field
It the utility model is related to a kind of fan blade and impeller of ternary distortion wind turbine.
Background technology
Due to lack analysis means, therefore existing fan blade it is leaf be all rule change, be thus unfavorable for improve wind
Press and mute, and the efficiency of wind turbine also greatly declines.But air force although have theory support, but fan blade but without
Unalterable tectonic model, attempts to manufacture so existing fan blade is all producer by experience and thousands of times, but this
The forming model that the fan blade of sample does not determine, its size are difficult to measure and also do not know how to measure, and cause such fan blade quality
It is unstable.
Utility model content
The technical problems to be solved in the utility model is：A kind of mute, efficient, the measurable wind turbine of size fan blade is provided
And impeller.
The solution that the utility model solves its technical problem is：
A kind of fan blade of ternary distortion wind turbine, including fan blade body, the fan blade body include being oppositely arranged positive, anti-
The spatial form of face, the interior neutral surface being equipped between front, reverse side of fan blade body, front or back or neutral surface is by controlling
Line group determines that the front or back or neutral surface determined by control line group is known as base surface, and the edge of base surface is included successively
Connection positioned at the base of downside, positioned at the outside in outside, positioned at the top of upside, the inner edge positioned at inner side, base is located at base
On quasi- face, outside is vertical with datum level, and control line group includes multiple control lines, and control line is and chain of command base surface, base surface
The curve for upwardly extending face and intersecting, chain of command is located at the top of datum level and parallel with datum level；The spatial form of base surface
Determined by base, the control line above base, be known as pushing up control line positioned at the control line of top, top control line is in base
Top control hachure is projected as on quasi- face；Datum level is equipped with homocentric external control circle, intersection point circle, bottom internal control circle, base, top control
Hachure intersects with external control circle in outer intersection point, and base, top control hachure intersect with intersection point circle in middle intersection point；Base be located at external control circle,
Part between intersection point circle is known as bottom outer arc, and the part that base is located in intersection point circle is known as bottom inner arc, and bottom inner arc is in the inner circle of bottom
One section of circular arc, bottom inner circle is the beginning of bottom inner arc close to the terminal that the intersection point of middle intersection point is bottom inner arc, middle intersection point with bottom internal control circle
Point, outside is vertical with datum level and stands on outer intersection point, and bottom inner circle is justified homocentric with external control；It is with single curvature that top, which controls hachure,
Circular arc, top control hachure be located at external control circle, intersection point circle between part is overlapped with bottom outer arc, top control hachure initial point and outside
Intersection point overlaps, and top controls intersection point of the terminal of hachure for top control circle with top control arc close to middle intersection point, and control circle in top is justified homocentric with external control；
The center of circle of top control arc and the line of middle intersection point are known as control shaft, and control shaft intersects positioned at the circle where top control hachure with intersection point circle
Region in；The center of circle of bottom inner arc is located in control shaft；The curve that top is basic face and forming ring is crossed to form, the shaping
The axis of ring is vertical with datum level and through the center of circle of external control circle, and the section of forming ring is circle, and the forming ring is forming ring
Section around 360 degree of rotating swinging components of axis；Distance of each point from top to bottom with axis on inner edge becomes larger, interior
The starting point on side is the terminal of top, and the terminal of inner edge is the starting point on base；Inner edge being projected as on datum level is smooth continuous
Arc；The radius of external control circle is R1；The radius of intersection point circle is R2；The radius of bottom internal control circle is R3；Top control hachure, bottom outer arc
Radius is R4；The radius of bottom inner arc is R5；The radius of top control circle is R10；The radius in the section of forming ring is R6；Wherein, R4>R1
>R2>R3, R4>R5, R10>R3.
Further as such scheme is improved, tangent line of the base on outer intersection point and tangent line of the external control circle on outer intersection point
At an acute angle, α is 29~32 degree.
Further as such scheme is improved, and the distance between the center of circle in the section of forming ring and axis are the radius of gyration
R7, wherein R2<R7<R1.
Further as such scheme is improved, and some spaced controls are equipped between base and top control line
Line, be located at base and the control line that pushes up between control line be known as in control line, middle control line controls in being projected as on datum level
Hachure processed；
The part that middle control hachure is located between external control circle, intersection point circle is overlapped with bottom outer arc；
Middle control hachure be located at control shadow arc during the part in intersection point circle is known as, and the middle initial point for controlling shadow arc is middle intersection point, middle control
The terminal of shadow arc is known as controlling last point, controls intersection point of the end point for middle control circle with middle shadow circle close to middle intersection point, and middle control shadow arc is justified for middle control
On one section of circular arc, middle control circle and external control circle are homocentric, and in control shaft, the radius that middle shadow is justified is R8, R5 in the center of circle of middle shadow circle<R8
<R4；
The radius of middle control circle is R9, R3<R9<R10.
Further as such scheme is improved, and fan blade body is the sheet body for waiting wall thickness.
A kind of impeller, including circular substrate, substrate are equipped with several as described in any one in claim 1 to 5
Fan blade, base is located on substrate, and substrate and external control circle are homocentric, and the fan blade is uniformly arranged around the center of circle annular array of substrate,
The top of substrate is equipped with top plate, and top plate is ring-type swinging component, and the bottom surface of top plate is bonded with top.
Further as such scheme is improved, and top plate is to wait wall thickness component.
The beneficial effects of the utility model are：A kind of fan blade of ternary distortion wind turbine, including fan blade body, the fan blade sheet
Body includes front, the reverse side being oppositely arranged, the neutral surface being equipped with fan blade body between front, reverse side, front or back
Or the spatial form of neutral surface is determined by control line group, the front or back or neutral surface that are determined by control line group are known as basis
Face, the edge of base surface include it is sequentially connected positioned at the base of downside, positioned at the outside in outside, positioned at the top of upside, position
Inner edge in inner side, base are located on datum level, and outside is vertical with datum level, and control line group includes multiple control lines, control line
For the curve for upwardly extending face and intersecting with chain of command base surface, base surface, chain of command is located at the top of datum level and and benchmark
Face is parallel；The spatial form of base surface determines that the control line positioned at top claims by base, the control line above base
To push up control line, top control line is projected as top control hachure on datum level；Datum level is equipped with homocentric external control circle, intersection point
Circle, bottom internal control circle, base, top control hachure intersect with external control circle in outer intersection point, and base, top control hachure and intersection point circle are in middle friendship
Point is intersecting；The part that base is located between external control circle, intersection point circle is known as bottom outer arc, and the part that base is located in intersection point circle is known as bottom
Inner arc, bottom inner arc are one section of circular arc in the inner circle of bottom, and bottom inner circle is with bottom internal control circle close to the end that the intersection point of middle intersection point is bottom inner arc
Point, middle intersection point are the initial point of bottom inner arc, and outside is vertical with datum level and stands on outer intersection point, and bottom inner circle is justified homocentric with external control；Top
It is the circular arc with single curvature to control hachure, and top control hachure is located at part and bottom outer arc weight between external control circle, intersection point circle
Close, the initial point of top control hachure is overlapped with outer intersection point, is pushed up and is controlled the terminal of hachure to be top control circle and push up control arc close to middle intersection point
Intersection point, top control circle are justified homocentric with external control；The center of circle of top control arc and the line of middle intersection point are known as control shaft, and control shaft is controlled positioned at top
In the region that circle where hachure intersects with intersection point circle；The center of circle of bottom inner arc is located in control shaft；Top is basic face and shaping
The curve that ring is crossed to form, the axis of the forming ring is vertical with datum level and passes through the center of circle of external control circle, the section of forming ring
For circle, the forming ring is the section of forming ring around 360 degree of rotating swinging components of axis；Each point on inner edge from it is lower to
The upper distance with axis becomes larger, and the starting point of inner edge is the terminal of top, and the terminal of inner edge is the starting point on base；Inner edge is in base
Smooth continuous arc is projected as on quasi- face；The radius of external control circle is R1；The radius of intersection point circle is R2；The radius of bottom internal control circle
For R3；Top controls hachure, the radius of bottom outer arc is R4；The radius of bottom inner arc is R5；The radius of top control circle is R10；Forming ring
The radius in section is R6；Wherein, R4>R1>R2>R3, R4>R5, R10>R3.The blade shape Controlling model of the utility model has really
Fixed shape, and the measurement of shape can be carried out by projecting apparatus measuring instrument or three-coordinates measuring machine, have and meet the utility model
The impeller of the fan blade of construction, can provide the air-flow of high wind pressure very energy savingly and mute.The utility model is used for wind turbine.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is the part of the embodiment of the utility model, rather than entirely
Portion's embodiment, those skilled in the art without creative efforts, can also obtain it according to these attached drawings
His designing scheme and attached drawing.
Fig. 1 is the schematic front view of the blade of the utility model impeller embodiment；
Fig. 2 is the schematic top plan view of the blade of the utility model impeller embodiment；
Fig. 3 is that a blade of the utility model impeller embodiment puts schematic diagram on substrate；
Fig. 4 is the close-up schematic view of Fig. 3；
Fig. 5 is the schematic cross-sectional view of the utility model impeller embodiment；
Fig. 6 is the dimensional structure diagram of the utility model impeller embodiment.
Embodiment
Carried out below with reference to the technique effect of the design of embodiment and attached drawing to the utility model, concrete structure and generation
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is the part of the embodiment of the utility model, rather than whole embodiments, the embodiment based on the utility model, the skill of this area
The other embodiment that art personnel are obtained without creative efforts, belongs to the model of the utility model protection
Enclose.In addition, all connection/connection relations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more preferably draw bail.Each technology in the utility model is special
Sign, can be with combination of interactions on the premise of not conflicting conflict.
Referring to figs. 1 to Fig. 6, this is the embodiment of the utility model, specifically：
A kind of fan blade of ternary distortion wind turbine, including fan blade body, front 11 that the fan blade body includes being oppositely arranged,
Reverse side 12, the interior neutral surface being equipped between front 11, reverse side 12 of fan blade body, front 11 or the sky of reverse side 12 or neutral surface
Between shape determine that the front 11 determined by control line group or reverse side 12 or neutral surface are known as base surface by control line group, basis
The edge in face include it is sequentially connected positioned at the base 21 of downside, positioned at the outside 22 in outside, positioned at the top 23 of upside, be located at
The inner edge 24 of inner side, base 21 are located on datum level, and outside 22 is vertical with datum level, and control line group includes multiple control lines, control
Line processed is the curve for upwardly extending face and intersecting with chain of command base surface, base surface, chain of command be located at the top of datum level and with
Datum level is parallel；
The spatial form of base surface is determined by base 21, the control line above base 21, positioned at the control of top
Line processed is known as pushing up control line, and top control line is projected as top control hachure on datum level；
Datum level is equipped with homocentric external control circle 31, intersection point circle 32, bottom internal control circle 331, base 21, top control hachure with it is outer
Control circle 31 is intersecting in outer intersection point 42, and base 21, top control hachure intersect with intersection point circle 32 in middle intersection point 41；
The part that base 21 is located between external control circle 31, intersection point circle 32 is known as bottom outer arc 211, and base 21 is located at intersection point circle 32
Interior part is known as bottom inner arc 212, and bottom inner arc 212 is one section of circular arc in the inner circle of bottom, and bottom inner circle is with bottom internal control circle 331 in
The intersection point of intersection point 41 be bottom inner arc 212 terminal, middle intersection point 41 be bottom inner arc 212 initial point, outside 22 it is vertical with datum level and
Stand on outer intersection point 42, bottom inner circle and external control circle 31 are homocentric；
It is the circular arc with single curvature that top, which controls hachure, and top control hachure is located between external control circle 31, intersection point circle 32
Part is overlapped with bottom outer arc 211, and the initial point of top control hachure is overlapped with outer intersection point 42, and it is top control circle 26 that top, which controls the terminal of hachure,
Intersection point with top control arc 25 close to middle intersection point 41, top control circle 26 are homocentric with external control circle 31；
The center of circle of top control arc 25 and the line of middle intersection point 41 are known as control shaft 5, and control shaft 5 is where top control hachure
In the region that circle intersects with intersection point circle 32；The center of circle of bottom inner arc 212 is located in control shaft 5；
Top 23 is the curve that basic face is crossed to form with forming ring, and the axis of the forming ring is vertical with datum level and wears
The center of circle of external control circle 31 is crossed, the section of forming ring is circle, and the forming ring is rotating around 360 degree of axis for the section of forming ring
Swinging component；
Distance of each point from top to bottom with axis on inner edge 24 becomes larger, and the starting point of inner edge 24 is the end of top 23
Point, the terminal of inner edge 24 are the starting point on base 21；Inner edge 24 is projected as smooth continuous arc on datum level；
The radius of external control circle 31 is R1；
The radius of intersection point circle 32 is R2；
The radius of bottom internal control circle 331 is R3；
Top controls hachure, the radius of bottom outer arc 211 is R4；
The radius of bottom inner arc 212 is R5；
The radius of top control circle 26 is R10；
The radius in the section of forming ring is R6；
Wherein, R4>R1>R2>R3, R4>R5, R10>R3.The blade shape Controlling model of the utility model has definite shape
Shape, and the measurement of shape can be carried out by projecting apparatus measuring instrument or three-coordinates measuring machine, have and meet the utility model construction
The impeller of fan blade, can provide the air-flow of high wind pressure very energy savingly and mute.
Tangent line of the base 21 on outer intersection point 42 and external control 31 tangent line on outer intersection point 42 of circle are at an acute angle, and α is 29~32
Degree.This angular range is conducive to improve wind pressure.
The distance between the center of circle in the section of forming ring and axis are radius of gyration R7, wherein R2<R7<R1.
Base 21 and top control line between be equipped with some spaced control lines, be located at base 21 with push up control line it
Between control line be known as in control line, middle control line controls hachure in being projected as on datum level；Middle control hachure is positioned at outer
Part between control circle 31, intersection point circle 32 is overlapped with bottom outer arc 211；During middle control hachure is located at the part in intersection point circle 32 referred to as
Shadow arc is controlled, the initial point of middle control shadow arc is middle intersection point 41, and the terminal of middle control shadow arc is known as controlling end point 252, controls end point 252 and justifies for middle control
253 intersection point with middle shadow circle 251 close to middle intersection point 41, middle control shadow arc are one section of circular arc on middle control circle, middle control circle 253 and external control
Circle 31 is homocentric, and in control shaft 5, the radius of middle shadow circle 251 is R8, R5 in the center of circle of middle shadow circle 251<R8<R4；Middle control circle 253
Radius is R9, R3<R9<R10.The setting of control line is easy to precisely adjust the leaf of fan blade, so that it is different to allow fan blade to adapt to
Requirement.
The fan blade body of the present embodiment shapes to wait sheet body of wall thickness easy to punch process.
The impeller of the present embodiment, including circular substrate 6, substrate 6 are equipped with several above-mentioned fan blades, and base 21 is located at
On substrate 6, substrate 6 and external control circle 31 are homocentric, and the fan blade is uniformly arranged around the center of circle annular array of substrate 6, the top of substrate 6
Equipped with top plate 7, top plate 7 is ring-type swinging component, and the bottom surface of top plate 7 is bonded with top 23.Such impeller can be to greatest extent
Play muting function in ground.
Processed for ease of stamping forming, top plate 7 is to wait wall thickness component.
Blade be located at external control circle 31, intersection point circle 32 between it is leaf for binary change, and positioned at intersection point circle 32 in it is leaf
Change for ternary, the leaf of the leaf and ternary change of binary change is combined with beneficial to vortex flow is reduced, and effectively improves blower pressure
Fan noise is reduced with efficiency.
The specific size of the present embodiment is as follows：
Three spaced middle control lines are equipped between base 21 and top control line：
First middle control line is located at the height H1=86mm above datum level, accordingly, the radius of first middle shadow circle
R9a=160.5mm, controls round radius R8a=239.6mm in first；
Height H2=63mm of the control line above first middle control line in Article 2, accordingly, shadow in Article 2
Round radius R9b=171mm, controls round radius R8b=265.8mm in Article 2；
Control line is located at the height H3=42.6mm above control line in Article 2 in Article 3, accordingly, in Article 3
The radius R9c=181.5mm of shadow circle, controls round radius R8c=298.2mm in Article 3；
Top control line is located at the height H4=23.3mm in Article 3 above control line.
R1=300mm, R2=240mm, R3=150mm, R4=354mm, R5=220.9mm, R6=105mm, R7=
290.96mm, R10=193.1mm；
The tolerance of H1, R9a, R8a, H2, R9b, R8b, H3, R9c, R8c, H4, R1, R2, R3, R4, R5, R6, R7, R10 is
Positive and negative 5%.
Can be by H1: R9a: R8a: H2: R9b: R8b: H3: R9c: R8c: H4: R1: R2: R3: R4: R5: R6: R7: R10=
63∶171∶265.8∶42.6∶181.5∶298.2∶86∶160.5∶239.6∶23.3∶300∶240∶150∶354∶220.9∶105∶
Series of 290.96: 193.1 ratio as the utility model fan blade.
The test result of the present embodiment is as shown in table 1：
Table 1：
| Flow (m3/h) | Total head (pa) | Static pressure (pa) | Internal efficiency (%) | Internal power (kW) | Required power (kW) | LA(dB) |
| 5752 | 1275 | 1232 | 0.83 | 2.25 | 2.45 | 76 |
| 6609 | 1188 | 1134 | 0.85 | 2.33 | 2.56 | 75 |
| 7453 | 1081 | 1013 | 0.86 | 2.39 | 2.57 | 73 |
| 8302 | 952 | 866 | 0.85 | 2.4 | 2.58 | 75 |
It is below the test data of existing impeller, the blade on existing impeller is no ternary for the ease of contrast
What is changed is leaf, and the top in structure equivalent to the present embodiment extends directly down, relevant other sizes parameter constant.
The test result of prior art impeller is as shown in table 2：
Table 2：
| Flow (m3/h) | Total head (pa) | Static pressure (pa) | Internal efficiency (%) | Internal power (kW) | Required power (kW) | LA(dB) |
| 5752 | 1159 | 1122 | 0.78 | 2.37 | 2.91 | 78.1 |
| 6609 | 1080 | 1031 | 0.8 | 2.48 | 2.91 | 77.1 |
| 7453 | 983 | 921 | 0.81 | 2.51 | 2.95 | 77 |
| 8302 | 865 | 787 | 0.79 | 2.52 | 2.96 | 78.3 |
Contrast understands that the present embodiment is substantially reduced in required power, and also more existing than the low noise of the prior art, total head
There is technology height.
Applicant is also tested for the impeller of another existing structure, its blade equivalent to the present embodiment base directly to
Upper extension forms, relevant other sizes parameter constant.Test result is consistent with the data of table 2.So as to prove binary change
Structure cannot function well as energy saving, boosting, mute effect.
The better embodiment of the utility model is illustrated above, but the utility model be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (7)
1. a kind of fan blade of ternary distortion wind turbine, including fan blade body, it is characterised in that：The fan blade body includes being oppositely arranged
Front (11), reverse side (12), the neutral surface being equipped with fan blade body between positive (11), reverse side (12), positive (11)
Or the spatial form of reverse side (12) or neutral surface is determined by control line group, the front (11) determined by control line group or reverse side
(12) or neutral surface is known as base surface, the edge of base surface include it is sequentially connected positioned at the base of downside (21), positioned at outside
Outside (22), the inner edge (24) positioned at the top of upside (23), positioned at inner side, base (21) are located on datum level, outside
(22) vertical with datum level, control line group includes multiple control lines, and control line is to prolong with chain of command base surface, the upward of base surface
The curve that the face of stretching is intersected, chain of command are located at the top of datum level and parallel with datum level；
The spatial form of base surface is determined by base (21), the control line above base (21), positioned at the control of top
Line processed is known as pushing up control line, and top control line is projected as top control hachure on datum level；
Datum level is equipped with homocentric external control circle (31), intersection point circle (32), bottom internal control circle (331), base (21), top control hachure
Intersect with external control circle (31) in outer intersection point (42), base (21), top control hachure intersect with intersection point circle (32) in middle intersection point (41)；
The part that base (21) is located between external control circle (31), intersection point circle (32) is known as bottom outer arc (211), and base (21) are positioned at friendship
Part in null circle (32) is known as bottom inner arc (212), and bottom inner arc (212) is one section of circular arc in the inner circle of bottom, bottom inner circle with bottom
Control circle (331) is the beginning of bottom inner arc (212) close to the terminal that the intersection point of middle intersection point (41) is bottom inner arc (212), middle intersection point (41)
Point, outside (22) are vertical with datum level and stand on outer intersection point (42), and bottom inner circle and external control circle (31) are homocentric；
It is the circular arc with single curvature that top, which controls hachure, and top control hachure is located between external control circle (31), intersection point circle (32)
Part is overlapped with bottom outer arc (211), and the initial point of top control hachure is overlapped with outer intersection point (42), and top controls the terminal of hachure to be controlled for top
Intersection point of the circle (26) with top control arc (25) close to middle intersection point (41), top control circle (26) and external control circle (31) are homocentric；
The center of circle of top control arc (25) is known as control shaft (5) with the line of middle intersection point (41), and control shaft (5) is positioned at top control hachure institute
The region intersected of circle and intersection point circle (32) in；The center of circle of bottom inner arc (212) is located in control shaft (5)；
Top (23) is the curve that basic face is crossed to form with forming ring, and the axis of the forming ring is vertical with datum level and passes through
The center of circle of external control circle (31), the section of forming ring is circle, and the forming ring is rotating around 360 degree of axis for the section of forming ring
Swinging component；Distance of each point from top to bottom with axis on inner edge (24) becomes larger, and the starting point of inner edge (24) is top
(23) terminal, the terminal of inner edge (24) are the starting point of base (21)；Inner edge (24) being projected as on datum level is smooth continuous
Arc；
The radius of external control circle (31) is R1；
The radius of intersection point circle (32) is R2；
The radius of bottom internal control circle (331) is R3；
Top controls hachure, the radius of bottom outer arc (211) is R4；
The radius of bottom inner arc (212) is R5；
The radius of top control circle (26) is R10；
The radius in the section of forming ring is R6；
Wherein, R4>R1>R2>R3, R4>R5, R10>R3.
A kind of 2. fan blade of ternary distortion wind turbine according to claim 1, it is characterised in that：Base (21) is in outer intersection point
(42) tangent line of the tangent line with external control circle (31) on outer intersection point (42) on is at an acute angle, and α is 29~32 degree.
A kind of 3. fan blade of ternary distortion wind turbine according to claim 1, it is characterised in that：The center of circle in the section of forming ring
The distance between axis is radius of gyration R7, wherein R2<R7<R1.
A kind of 4. fan blade of ternary distortion wind turbine according to claim 1, it is characterised in that：Base (21) and top control line
Between be equipped with some spaced control lines, be located at base (21) and push up control line between control line be known as in control
Line, middle control line control hachure in being projected as on datum level；
The part that middle control hachure is located between external control circle (31), intersection point circle (32) is overlapped with bottom outer arc (211)；
Middle control hachure is located at control shadow arc during the part in intersection point circle (32) is known as, and the initial point of middle control shadow arc is middle intersection point (41),
The terminal of middle control shadow arc is known as controlling last point (252), controls last point (252) and justifies (251) close to middle intersection point for middle control circle (253) and middle shadow
(41) intersection point, middle control shadow arc are one section of circular arc on middle control circle (253), and middle control circle (253) and external control circle (31) are homocentric, middle shadow
In control shaft (5), the radius of middle shadow circle (251) is R8, R5 in the center of circle of circle (251)<R8<R4；
The radius of middle control circle (253) is R9, R3<R9<R10.
A kind of 5. fan blade of ternary distortion wind turbine according to claim 1, it is characterised in that：Fan blade body is to wait wall thickness
Sheet body.
6. a kind of impeller, including circular substrate (6), it is characterised in that：Substrate (6) is equipped with several such as claim 1 to 5
Fan blade described in middle any one, base (21) are located on substrate (6), substrate (6) and external control circle (31) it is homocentric, the fan blade around
The center of circle annular array of substrate (6) is uniformly arranged, and the top of substrate (6) is equipped with top plate (7), and top plate (7) is ring-type swinging structure
Part, the bottom surface of top plate (7) are bonded with top (23).
A kind of 7. impeller according to claim 6, it is characterised in that：Top plate (7) is to wait wall thickness component.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721147518.3U CN207246105U (en) | 2017-09-07 | 2017-09-07 | A kind of fan blade and impeller of ternary distortion wind turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721147518.3U CN207246105U (en) | 2017-09-07 | 2017-09-07 | A kind of fan blade and impeller of ternary distortion wind turbine |
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| Publication Number | Publication Date |
|---|---|
| CN207246105U true CN207246105U (en) | 2018-04-17 |
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|---|---|---|---|
| CN201721147518.3U Expired - Fee Related CN207246105U (en) | 2017-09-07 | 2017-09-07 | A kind of fan blade and impeller of ternary distortion wind turbine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559235A (en) * | 2017-09-07 | 2018-01-09 | 佛山市南海九洲普惠风机有限公司 | A kind of fan blade and impeller of ternary distortion blower fan |
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2017
- 2017-09-07 CN CN201721147518.3U patent/CN207246105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559235A (en) * | 2017-09-07 | 2018-01-09 | 佛山市南海九洲普惠风机有限公司 | A kind of fan blade and impeller of ternary distortion blower fan |
| CN107559235B (en) * | 2017-09-07 | 2024-03-19 | 佛山市南海九洲普惠风机有限公司 | Fan blade and impeller of ternary torsion fan |
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