CN108547793A - A kind of axial wheel - Google Patents
A kind of axial wheel Download PDFInfo
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- CN108547793A CN108547793A CN201810400885.2A CN201810400885A CN108547793A CN 108547793 A CN108547793 A CN 108547793A CN 201810400885 A CN201810400885 A CN 201810400885A CN 108547793 A CN108547793 A CN 108547793A
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- curve
- forming
- forming curve
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
- F04D29/386—Skewed blades
-
- 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
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Include the gear axis in front and back setting the invention discloses a kind of axial wheel, further includes the front side for being respectively provided at gear axis, the preceding release structure of rear side, discharges structure afterwards, preceding release structure, the rear release mutual central symmetry of structure；Preceding release structure includes the gear axle sleeve being sleeved on gear axis, and unilateral bearing is cased on gear axle sleeve, and the outer ring of unilateral bearing is connect with swing rod, and swing rod can drive the outer ring rotating, and the lower section of swing rod, which abuts, lower push rod movable up and down.The present invention pushes swing rod by lower push rod, the outer ring of unilateral bearing is allowed to be rotated toward negative direction, can thus allow unilateral bearing outer ring and inner ring moment clamping, there is flashy stopping mobile so as to cause gear axle sleeve or speed reduces, gear axle sleeve and gear axis is thus allowed to have flashy speed difference, the clamping force between gear axis and gear axle sleeve just disappears at this time, and gear axis is just easy to toward back-and-forth motion, to shift gears.The present invention is used for the gear switch of lathe.
Description
Technical field
The present invention relates to aerodynamic flows mechanics parts of appliance can reach raising total head, one kind of efficiency at the low rotational speed
Axial wheel.
Background technology
Axial flow blower, purposes is very extensive, is exactly and the equidirectional air-flow of the axis of fan blade, such as electric fan, outdoor machine of air-conditioner wind
Fan is exactly that axis stream mode runs wind turbine.Why it is known as " axial-flow type ", is because gas is parallel to fan shaft flowing.Axial-flow type wind
Machine is generally used for that traffic requirement is higher and the lower occasion of pressure requirements.Axial fan fixed position simultaneously makes air move.Axis
Flow fan is mainly made of draught fan impeller and casing, simple in structure but data demand is very high.Existing axial wheel does not have
By the hydrokinetics calculation of science, the lower total head of slow-speed of revolution rotation is low, efficiency is low.
Invention content
The technical problem to be solved by the present invention is to：There is provided it is a kind of can reach at the low rotational speed improve total head, one kind of efficiency
Axial wheel.
The solution that the present invention solves its technical problem is：
A kind of axial wheel includes the pedestal with shaft, and pedestal is equipped with several blade bodies, and blade body is around the shaft
Annular is uniformly arranged, and the shape of blade body is determined by least three spaced spatial warping curve rings, is set on blade body
There are ground line, ground line to be mutually perpendicular to shaft, all spatial warping curve rings are the curve on shaped cylinder face, described
The axis in shaped cylinder face is overlapped with shaft；
All spatial warping curve rings on each blade body are equipped with drop shadow curve, the basis on basic perspective plane
Perspective plane passes through shaft and vertical with ground line, X-Y coordinate is established on basic perspective plane, Y-axis is overlapped with shaft；
By preposition forming curve by being formed in X-Y coordinate up conversion, the origin of X-Y coordinate is located at for drop shadow curve
On ground line；
Preposition forming curve：
Multiple anchor points on X-Y coordinate are connected in sequence by preposition forming curve line-transect or straight line,
Basic point is equipped in the region that preposition forming curve surrounds, the X △, A that the X-coordinate of basic point is 2A times are more than 0, X △ less than 1
X-coordinate where the midpoint of projection line of the preposition forming curve in X-axis, the Y △, B that the Y coordinate of basic point is 2B times are less than 1
It is the Y coordinate where the midpoint of projection line of the preposition forming curve in Y-axis more than 0, Y △, preposition forming curve is sat in X-Y
It is moved integrally in mark system so that basic point moves to the origin on X-Y coordinate, and preposition forming curve is then allowed to be revolved around ground line
Turn C angles, to form drop shadow curve；
Blade body is located at the corresponding drop shadow curve of innermost spatial warping curve ring and is known as inside forming curve, with inside
The corresponding preposition forming curve of forming curve is known as interior preposition forming curve；
Interior preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of interior preposition forming curve is 0.377, B 0.42, and C is 31 degree to 37 degree, interior preposition each anchor point of forming curve
Coordinate value, A, B tolerance in ± 5%；
The corresponding drop shadow curve of blade body spatial warping curve ring on the outermost side is known as outside forming curve, with outside
The corresponding preposition forming curve of forming curve is known as outer preposition forming curve；
Outer preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of outer preposition forming curve is 0.377, B 0.42, and C is 7 degree to 13 degree, outer preposition each anchor point of forming curve
Coordinate value, A, B tolerance in ± 5%；
Shaped cylinder face where the forming curve of outside is outer shaped cylinder face, a diameter of D in outer shaped cylinder face；
Shaped cylinder face where the forming curve of inside is internal shaping cylindrical surface, a diameter of 0.3D on internal shaping cylindrical surface ±
5%；
The corresponding projection of spatial warping curve ring of the blade body between outside forming curve and inside forming curve is bent
Line is known as intermediate forming curve；
Between outside forming curve and inside forming curve be equipped at least one intermediate forming curve, intermediate forming curve from
Interior arrive includes the second intermediate forming curve, third centre forming curve, the 4th intermediate forming curve, the 5th intermediate forming curve outside
In arbitrary one or more or whole intermediate forming curves；
The corresponding preposition forming curve of intermediate forming curve is known as intermediate preposition forming curve, intermediate preposition forming curve by
Each anchor point on its own is connected in sequence with line-transect or straight line by serial number；
The coordinate of the corresponding anchor point of second intermediate forming curve is followed successively by：
；
The corresponding A of second intermediate forming curve is 0.377, B 0.42, and C is 30 degree to 36 degree, the second intermediate forming curve
The coordinate value of each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where second intermediate forming curve is the second shaped cylinder face, the diameter in the second shaped cylinder face
For 0.45D ± 5%；
The coordinate of the corresponding anchor point of forming curve is followed successively by among third：
；
The corresponding A of forming curve is 0.4, B 0.423 among third, and C is 23 degree to 29 degree, forming curve among third
The coordinate value of each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face among third where forming curve is third shaped cylinder face, the diameter in third shaped cylinder face
For 0.59D ± 5%；
The coordinate of the corresponding anchor point of 4th intermediate forming curve is followed successively by：
；
The corresponding A of 4th intermediate forming curve is 0.427, B 0.422, and C is 17 degree to 23 degree, shapes song among the 4th
The coordinate value of each anchor point of line, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 4th intermediate forming curve is the 4th shaped cylinder face, the diameter in the 4th shaped cylinder face
For 0.72D ± 5%；
The coordinate of the corresponding anchor point of 5th intermediate forming curve is followed successively by：
；
The corresponding A of 5th intermediate forming curve is 0.452, B 0.42, and C is 12 degree to 18 degree, the 5th intermediate forming curve
The coordinate value of each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 5th intermediate forming curve is the 5th forming cylindrical surface, the diameter on the 5th forming cylindrical surface
For 0.86D ± 5%；
C>C>C>C>C>C；
Blade body is the corresponding spatial warping curve ring of inside forming curve, the corresponding sky of at least one intermediate forming curve
Between the entity that determines successively of twisting curve ring, the corresponding spatial warping curve ring of outside forming curve.
As being further improved for said program, blade body is aluminum member.
As being further improved for said program, preposition forming curve is located at multiple on X-Y coordinate with line-transect
Anchor point is connected in sequence.
As being further improved for said program, preposition forming curve straight line is determined multiple on X-Y coordinate
Site is connected in sequence.
As being further improved for said program, blade body is turned round from the corresponding space of inside forming curve successively from the inside to the outside
Curve ring smoothly passes through the corresponding spatial warping curve ring of intermediate forming curve, then seamlessly transits to outside forming curve and correspond to
Spatial warping curve ring.
As being further improved for said program, the sky of the anchor point of inside forming curve serial number i projection relation each other
Between point on twisting curve ring be the initial point of guide line, each intermediate forming curve serial number j anchor point projection relation each other
Spatial warping curve ring on point be the intermediate point of guide line, outside forming curve serial number k anchor point project pass each other
Point on the spatial warping curve ring of system is the terminal of guide line；I=j=k, guide line pass through the initial point of guide line, draw successively
The intermediate point of conducting wire, the terminal of guide line, the guide line are a line-transect, and blade body guided by guide line, from the inside to the outside according to
It is secondary smoothly to pass through the corresponding spatial warping curve ring of intermediate forming curve from the corresponding spatial warping curve ring of inside forming curve,
Spatial warping curve ring corresponding to outside forming curve is seamlessly transitted again.
The beneficial effects of the invention are as follows：A kind of axial wheel, includes the pedestal with shaft, and pedestal is equipped with several blades
Body, blade body are uniformly arranged around the shaft annular, and the shape of blade body is by least three spaced spatial warping curves
Ring is determined that blade body is equipped with ground line, and ground line is mutually perpendicular to shaft, and all spatial warping curve rings are forming
The axis of curve on cylindrical surface, the shaped cylinder face is overlapped with shaft；
All spatial warping curve rings on each blade body are equipped with drop shadow curve, the basis on basic perspective plane
Perspective plane passes through shaft and vertical with ground line, X-Y coordinate is established on basic perspective plane, Y-axis is overlapped with shaft；
By preposition forming curve by being formed in X-Y coordinate up conversion, the origin of X-Y coordinate is located at for drop shadow curve
On ground line；
Preposition forming curve：
Multiple anchor points on X-Y coordinate are connected in sequence by preposition forming curve line-transect or straight line,
Basic point is equipped in the region that preposition forming curve surrounds, the X △, A that the X-coordinate of basic point is 2A times are more than 0, X △ less than 1
X-coordinate where the midpoint of projection line of the preposition forming curve in X-axis, (that is, it is assumed that preposition forming curve is in X-axis
The X-coordinate of projection line starting point is 0, and the X-coordinate of terminal is 1, if A is 0.4, then 0.4) X-coordinate of basic point is, the Y of basic point
The Y △, B that coordinate is 2B times are less than the 1 Y seats being more than where the midpoint that 0, Y △ are projection line of the preposition forming curve in Y-axis
Mark, preposition forming curve is moved integrally in X-Y coordinate so that basic point moves to the origin on X-Y coordinate, then
Preposition forming curve is allowed to rotate C angles around ground line, to form drop shadow curve；
Blade body is located at the corresponding drop shadow curve of innermost spatial warping curve ring and is known as inside forming curve, with inside
The corresponding preposition forming curve of forming curve is known as interior preposition forming curve；
Interior preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of interior preposition forming curve is 0.377, B 0.42, and C is 31 degree to 37 degree, interior preposition each anchor point of forming curve
Coordinate value, A, B tolerance in ± 5%；
The corresponding drop shadow curve of blade body spatial warping curve ring on the outermost side is known as outside forming curve, with outside
The corresponding preposition forming curve of forming curve is known as outer preposition forming curve；
Outer preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of outer preposition forming curve is 0.377, B 0.42, and C is 7 degree to 13 degree, outer preposition each anchor point of forming curve
Coordinate value, A, B tolerance in ± 5%；
Shaped cylinder face where the forming curve of outside is outer shaped cylinder face, a diameter of D in outer shaped cylinder face；
Shaped cylinder face where the forming curve of inside is internal shaping cylindrical surface, a diameter of 0.3D on internal shaping cylindrical surface ±
5%；
The corresponding projection of spatial warping curve ring of the blade body between outside forming curve and inside forming curve is bent
Line is known as intermediate forming curve；
Between outside forming curve and inside forming curve be equipped at least one intermediate forming curve, intermediate forming curve from
Interior arrive includes the second intermediate forming curve, third centre forming curve, the 4th intermediate forming curve, the 5th intermediate forming curve outside
In arbitrary one or more or whole intermediate forming curves；
The corresponding preposition forming curve of intermediate forming curve is known as intermediate preposition forming curve, intermediate preposition forming curve by
Each anchor point on its own is connected in sequence with line-transect or straight line by serial number；
The coordinate of the corresponding anchor point of second intermediate forming curve is followed successively by：
；
The corresponding A of second intermediate forming curve is 0.377, B 0.42, and C is 30 degree to 36 degree, the second intermediate forming curve
The coordinate value of each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where second intermediate forming curve is the second shaped cylinder face, the diameter in the second shaped cylinder face
For 0.45D ± 5%；
The coordinate of the corresponding anchor point of forming curve is followed successively by among third：
；
The corresponding A of forming curve is 0.4, B 0.423 among third, and C is 23 degree to 29 degree, forming curve among third
The coordinate value of each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face among third where forming curve is third shaped cylinder face, the diameter in third shaped cylinder face
For 0.59D ± 5%；
The coordinate of the corresponding anchor point of 4th intermediate forming curve is followed successively by：
；
The corresponding A of 4th intermediate forming curve is 0.427, B 0.422, and C is 17 degree to 23 degree, shapes song among the 4th
The coordinate value of each anchor point of line, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 4th intermediate forming curve is the 4th shaped cylinder face, the diameter in the 4th shaped cylinder face
For 0.72D ± 5%；
The coordinate of the corresponding anchor point of 5th intermediate forming curve is followed successively by：
；
The corresponding A of 5th intermediate forming curve is 0.452, B 0.42, and C is 12 degree to 18 degree, the 5th intermediate forming curve
The coordinate value of each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 5th intermediate forming curve is the 5th forming cylindrical surface, the diameter on the 5th forming cylindrical surface
For 0.86D ± 5%；
C>C>C>C>C>C；
Blade body is the corresponding spatial warping curve ring of inside forming curve, the corresponding sky of at least one intermediate forming curve
Between the entity that determines successively of twisting curve ring, the corresponding spatial warping curve ring of outside forming curve.The present invention passes through to blade
The shape of body carries out explicitly defining and limiting on three dimensions, avoids this field by experience to determine the leaf of blade body
Shape, so as to cause fraction defective it is low, the problem of can not also carrying out size detection.The blade body of the present invention is by computer simulation and greatly
Amount it is demonstrated experimentally that the air-flow of high total head can be provided in the case of low speed, while it is non-using the axial flow blower efficiency of the present invention
Normal height.The present invention is used for axial flow blower.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the projection relation schematic diagram of the embodiment of the present invention；
Fig. 2 is the right side structural representation of the embodiment of the present invention；
Fig. 3 is the main structure diagram of the embodiment of the present invention.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
The other embodiment obtained under the premise of creative work, belongs to the scope of protection of the invention.In addition, be previously mentioned in text
All connection/connection relations not singly refer to component and directly connect, and refer to that can be added deduct according to specific implementation situation by adding
Few couple auxiliary, to form more preferably coupling structure.Each technical characteristic in the present invention, in the premise of not conflicting conflict
Under can be with combination of interactions.
Referring to figs. 1 to Fig. 3, this is the embodiment of the present invention, specifically：
A kind of axial wheel includes the pedestal 2 with shaft 21, and pedestal 2 is equipped with several blade bodies 1, and blade body 1 is around institute
It states 21 annular of shaft to be uniformly arranged, the shape of blade body 1 is determined by least three spaced spatial warping curve rings, leaf
Sheet body 1 is equipped with ground line 1017, and ground line 1017 is mutually perpendicular to shaft 21, and all spatial warping curve rings are forming
The axis of curve on cylindrical surface, the shaped cylinder face is overlapped with shaft 21；
All spatial warping curve rings on each blade body 1 are equipped with drop shadow curve, the base on basic perspective plane
Plinth perspective plane passes through shaft 21 and vertical with ground line 1017, and X-Y coordinate, Y-axis and shaft 21 are established on basic perspective plane
It overlaps；
By preposition forming curve by being formed in X-Y coordinate up conversion, the origin of X-Y coordinate is located at for drop shadow curve
On ground line 1017；
Preposition forming curve：
Multiple anchor points on X-Y coordinate are connected in sequence by preposition forming curve line-transect or straight line,
Basic point is equipped in the region that preposition forming curve surrounds, the X △, A that the X-coordinate of basic point is 2A times are more than 0, X △ less than 1
X-coordinate where the midpoint of projection line of the preposition forming curve in X-axis, the Y △, B that the Y coordinate of basic point is 2B times are less than 1
It is the Y coordinate where the midpoint of projection line of the preposition forming curve in Y-axis more than 0, Y △, preposition forming curve is sat in X-Y
It is moved integrally in mark system so that basic point moves to the origin on X-Y coordinate, then allows preposition forming curve around ground line
1017 rotation C angles, to form drop shadow curve；
Blade body 1 is located at the corresponding drop shadow curve of innermost spatial warping curve ring and is known as inside forming curve 1011,
Preposition forming curve corresponding with inside forming curve 1011 is known as interior preposition forming curve；
Interior preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of interior preposition forming curve is 0.377, B 0.42, and C is 31 degree to 37 degree, interior preposition each anchor point of forming curve
Coordinate value, A, B tolerance in ± 5%；
The corresponding drop shadow curve of 1 spatial warping curve ring on the outermost side of blade body is known as outside forming curve 1016,
Preposition forming curve corresponding with outside forming curve 1016 is known as outer preposition forming curve；
Outer preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of outer preposition forming curve is 0.377, B 0.42, and C is 7 degree to 13 degree, outer preposition each anchor point of forming curve
Coordinate value, A, B tolerance in ± 5%；
Shaped cylinder face where outside forming curve 1016 is outer shaped cylinder face 1026, outer shaped cylinder face 1026
A diameter of D；
Shaped cylinder face where inside forming curve 1011 is internal shaping cylindrical surface 1021, internal shaping cylindrical surface 1021
A diameter of 0.3D ± 5%；
Spatial warping curve ring of the blade body 1 between outside forming curve 1016 and inside forming curve 1011 is corresponding
Drop shadow curve be known as intermediate forming curve；
Be equipped at least one intermediate forming curve between outside forming curve 1016 and inside forming curve 1011, it is intermediate at
Shape curve includes the second intermediate forming curve 1012, third centre forming curve 1013, the 4th intermediate forming curve from inside to outside
1014, arbitrary one or more in the 5th intermediate forming curve 1015 or whole intermediate forming curves；
The corresponding preposition forming curve of intermediate forming curve is known as intermediate preposition forming curve, intermediate preposition forming curve by
Each anchor point on its own is connected in sequence with line-transect or straight line by serial number；
The coordinate of second intermediate forming curve, 1012 corresponding anchor point is followed successively by：
；
Second intermediate forming curve, 1012 corresponding A is 0.377, B 0.42, and C is 30 degree to 36 degree, is shaped among second
The coordinate value of 1012 each anchor point of curve, the tolerance of A, B are in ± 5%；
Shaped cylinder face where second intermediate forming curve 1012 is the second shaped cylinder face 1022, the second shaped cylinder
A diameter of 0.45D ± 5% in face 1022；
The coordinate of 1013 corresponding anchor point of forming curve is followed successively by among third：
；
1013 corresponding A of forming curve is 0.4, B 0.423 among third, and C is 23 degree to 29 degree, forming among third
The coordinate value of 1013 each anchor point of curve, the tolerance of A, B are in ± 5%；
Shaped cylinder face among third where forming curve 1013 is third shaped cylinder face 1023, third shaped cylinder
A diameter of 0.59D ± 5% in face 1023；
The coordinate of 4th intermediate forming curve, 1014 corresponding anchor point is followed successively by：
；
4th intermediate forming curve, 1014 corresponding A be 0.427, B 0.422, C be 17 degree to 23 degree, among the 4th at
The coordinate value of 1014 each anchor point of shape curve, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 4th intermediate forming curve 1014 is the 4th shaped cylinder face 1024, the 4th shaped cylinder
A diameter of 0.72D ± 5% in face 1024；
The coordinate of 5th intermediate forming curve, 1015 corresponding anchor point is followed successively by：
；
5th intermediate forming curve, 1015 corresponding A is 0.452, B 0.42, and C is 12 degree to 18 degree, is shaped among the 5th
The coordinate value of 1015 each anchor point of curve, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 5th intermediate forming curve 1015 is the 5th forming cylindrical surface 1025, the 5th shaped cylinder
A diameter of 0.86D ± 5% in face 1025；
C>C>C>C>C>C；
Blade body 1 is 1011 corresponding spatial warping curve ring of inside forming curve, at least one intermediate forming curve pair
The entity that spatial warping curve ring, the 1016 corresponding spatial warping curve ring of outside forming curve answered determine successively.The present invention
On three dimensions explicitly define and limit by the shape to blade body, avoids this field by experience to determine leaf
Sheet body it is leaf, so as to cause fraction defective it is low, the problem of can not also carrying out size detection.The blade body of the present invention passes through computer
Simulation and a large amount of it is demonstrated experimentally that the air-flow of high total head can be provided in the case of low speed, while using the axis stream wind of the present invention
Engine efficiency is very high.
Because influence of the deformation of existing blade in the process of running to performance is very big, therefore usually use steel
Material make blade body, but the blade of the present embodiment tool micro-deformation at work will not cause total head and efficiency
It influences, the blade body 1 of the present embodiment is aluminum member.
In order to reduce noise, preposition forming curve is connected multiple anchor points on X-Y coordinate with line-transect successively
It connects.
For small-sized axial flow blower, blade also very it is small, therefore for small-sized axial flow blower it is preposition at
Multiple anchor points on X-Y coordinate can be connected in sequence by shape curve with straight line.
In order to reduce noise, blade body 1 is from the inside to the outside successively from 1011 corresponding spatial warping curve of inside forming curve
Ring smoothly passes through the corresponding spatial warping curve ring of intermediate forming curve, then seamlessly transits corresponding to outside forming curve 1016
Spatial warping curve ring.
The point on the spatial warping curve ring of projection relation is to draw to the anchor point of 1011 serial number i of inside forming curve each other
The anchor point point on the spatial warping curve ring of projection relation each other of the initial point of conducting wire, each intermediate forming curve serial number j
For the intermediate point of guide line, the spatial warping curve ring of the anchor point projection relation each other of 1016 serial number k of outside forming curve
On point be guide line terminal；I=j=k, guide line pass through the initial point of guide line, the intermediate point of guide line, guide line successively
Terminal, the guide line be a line-transect, blade body 1 is guided by guide line, from the inside to the outside successively from inside forming curve
1011 corresponding spatial warping curve rings smoothly pass through the corresponding spatial warping curve ring of intermediate forming curve, then seamlessly transit to
1016 corresponding spatial warping curve ring of outside forming curve.For example use the anchor point of serial number 1 as guide line, pass through successively such as
Lower coordinate：(0.433,0), (0.415,0), (0.488,0), (0.498,0), (0.528,0), (0.53,0).It is of course possible to incite somebody to action
The anchor point of serial number 2~30 is individually or all respectively as guide line.
The present embodiment and is shaped by inside by whole the limiting respectively as guide line of all serial number anchor points
Curve 1011, the second intermediate forming curve 1012, third centre forming curve 1013, the 4th intermediate forming curve the 1014, the 5th
The restriction of intermediate forming curve 1015,1016 corresponding spatial warping curve ring of outside forming curve even.The X-axis of the present embodiment, Y
One unit of axis represents 6mm.
By test, measured in different operating points, specific data are as follows：
Under comparable conditions, DATA REASONING is carried out to existing fan blade, result is as follows：
From above-mentioned correction data it is found that the impeller power originally implemented, volume flow, total head greatly improve.And
In ± 5% margin of tolerance, the performance inconsistency of the present embodiment is also within 3%.If but the leaf error of blade body be more than ±
5%, then performance inconsistency can be more than 20%.
The better embodiment of the present invention is illustrated above, but the present invention is not limited to the embodiment,
Those skilled in the art can also make various equivalent modifications or replacement under the premise of without prejudice to spirit of that invention, this
Equivalent modification or replacement are all contained in the application claim limited range a bit.
Claims (6)
1. a kind of axial wheel, includes the pedestal (2) with shaft (21), pedestal (2) is equipped with several blade bodies (1), blade
Body (1) is uniformly arranged around the shaft (21) annular, it is characterised in that：The shape of blade body (1) is arranged by least three intervals
Spatial warping curve ring determined that blade body (1) is equipped with ground line (1017), ground line (1017) and shaft (21) are mutual
Vertically, all spatial warping curve rings are the curve on shaped cylinder face, axis and the shaft (21) in the shaped cylinder face
It overlaps；
All spatial warping curve rings on each blade body (1) are equipped with drop shadow curve, the basis on basic perspective plane
Perspective plane passes through shaft (21) and vertical with ground line (1017), and X-Y coordinate, Y-axis and shaft are established on basic perspective plane
(21) it overlaps；By preposition forming curve by being formed in X-Y coordinate up conversion, the origin of X-Y coordinate is set for drop shadow curve
On ground line (1017)；
Preposition forming curve：
Multiple anchor points on X-Y coordinate are connected in sequence by preposition forming curve line-transect or straight line, preposition
Basic point is equipped in the region that forming curve surrounds, the X-coordinate of basic point is 2A times of X △, and it is preposition that A, which is less than 1 and is more than 0, X △,
X-coordinate where the midpoint of projection line of the forming curve in X-axis, the Y coordinate of basic point is 2B times Y △, B are more than less than 1
0, Y △ is the Y coordinate where the midpoint of projection line of the preposition forming curve in Y-axis, by preposition forming curve in X-Y coordinate
In moved integrally so that basic point moves to the origin on X-Y coordinate, then allows preposition forming curve around ground line (1017)
C angles are rotated, to form drop shadow curve；
Blade body (1) is located at the corresponding drop shadow curve of innermost spatial warping curve ring and is known as inside forming curve (1011),
Preposition forming curve corresponding with inside forming curve (1011) is known as interior preposition forming curve；
Interior preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of interior preposition forming curve is 0.377, B 0.42, and C is 31 degree to 37 degree, the seat of interior preposition each anchor point of forming curve
Scale value, A, B tolerance in ± 5%；
The corresponding drop shadow curve of blade body (1) spatial warping curve ring on the outermost side is known as outside forming curve (1016),
Preposition forming curve corresponding with outside forming curve (1016) is known as outer preposition forming curve；
Outer preposition forming curve is connected in sequence with line-transect or straight line by serial number by following anchor point：
；
The A of outer preposition forming curve is 0.377, B 0.42, and C is 7 degree to 13 degree, the seat of outer preposition each anchor point of forming curve
Scale value, A, B tolerance in ± 5%；
Shaped cylinder face where outside forming curve (1016) is outer shaped cylinder face (1026), outer shaped cylinder face (1026)
A diameter of D；
Shaped cylinder face where inside forming curve (1011) is internal shaping cylindrical surface (1021), internal shaping cylindrical surface (1021)
A diameter of 0.3D ± 5%；
Blade body (1) is located at the spatial warping curve ring pair between outside forming curve (1016) and inside forming curve (1011)
The drop shadow curve answered is known as intermediate forming curve；
Be equipped at least one intermediate forming curve between outside forming curve (1016) and inside forming curve (1011), it is intermediate at
Shape curve includes the second intermediate forming curve (1012), third centre forming curve (1013), the 4th centre forming from inside to outside
Arbitrary one or more in curve (1014), the 5th intermediate forming curve (1015) or whole intermediate forming curves；
The corresponding preposition forming curve of intermediate forming curve is known as intermediate preposition forming curve, intermediate preposition forming curve by its from
Each anchor point with it is connected in sequence with line-transect or straight line by serial number；
The coordinate of the corresponding anchor point of second intermediate forming curve (1012) is followed successively by：
；
The corresponding A of second intermediate forming curve (1012) is 0.377, B 0.42, and C is 30 degree to 36 degree, shapes song among second
The coordinate value of line (1012) each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where second intermediate forming curve (1012) is the second shaped cylinder face (1022), the second shaped cylinder
A diameter of 0.45D ± 5% in face (1022)；
The coordinate of the corresponding anchor point of forming curve (1013) is followed successively by among third：
；
The corresponding A of forming curve (1013) is 0.4, B 0.423 among third, and C is 23 degree to 29 degree, and forming is bent among third
The coordinate value of line (1013) each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face among third where forming curve (1013) is third shaped cylinder face (1023), third shaped cylinder
A diameter of 0.59D ± 5% in face (1023)；
The coordinate of the corresponding anchor point of 4th intermediate forming curve (1014) is followed successively by：
；
The corresponding A of 4th intermediate forming curve (1014) is 0.427, B 0.422, and C is 17 degree to 23 degree, and the 4th centre shapes
The coordinate value of curve (1014) each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 4th intermediate forming curve (1014) is the 4th shaped cylinder face (1024), the 4th shaped cylinder
A diameter of 0.72D ± 5% in face (1024)；
The coordinate of the corresponding anchor point of 5th intermediate forming curve (1015) is followed successively by：
；
The corresponding A of 5th intermediate forming curve (1015) is 0.452, B 0.42, and C is 12 degree to 18 degree, shapes song among the 5th
The coordinate value of line (1015) each anchor point, the tolerance of A, B are in ± 5%；
Shaped cylinder face where 5th intermediate forming curve (1015) is the 5th forming cylindrical surface (1025), the 5th shaped cylinder
A diameter of 0.86D ± 5% in face (1025)；
C>C>C>C>C>C；
Blade body (1) is the corresponding spatial warping curve ring of inside forming curve (1011), at least one intermediate forming curve pair
The entity that spatial warping curve ring, the corresponding spatial warping curve ring of outside forming curve (1016) answered determine successively.
2. a kind of axial wheel according to claim 1, it is characterised in that：Blade body (1) is aluminum member.
3. a kind of axial wheel according to claim 1, it is characterised in that：Preposition forming curve uses a line-transect by multiple positions
It is connected in sequence in the anchor point on X-Y coordinate.
4. a kind of axial wheel according to claim 1, it is characterised in that：Preposition forming curve straight line is located at multiple
Anchor point on X-Y coordinate is connected in sequence.
5. a kind of axial wheel according to claim 1, it is characterised in that：Blade body (1) is from the inside to the outside successively from inside
The corresponding spatial warping curve ring of forming curve (1011) smoothly passes through the corresponding spatial warping curve ring of intermediate forming curve, then
Seamlessly transit spatial warping curve ring corresponding to outside forming curve (1016).
6. a kind of axial wheel according to claim 1, it is characterised in that：Inside forming curve (1011) serial number i's
The point on the spatial warping curve ring of projection relation is the initial point of guide line, each intermediate forming curve serial number to anchor point each other
The anchor point of j each other the point on the spatial warping curve ring of projection relation be guide line intermediate point, outside forming curve
(1016) anchor point of serial number k each other the point on the spatial warping curve ring of projection relation be guide line terminal；I=j=
K, guide line pass through the terminal of the initial point of guide line, the intermediate point of guide line, guide line successively, and the guide line is a line-transect,
Blade body (1) is guided by guide line, from the inside to the outside successively from the corresponding spatial warping curve ring of inside forming curve (1011)
Smoothly pass through the corresponding spatial warping curve ring of intermediate forming curve, then seamlessly transits corresponding to outside forming curve (1016)
Spatial warping curve ring.
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| CN201711104840.2A CN107917102A (en) | 2017-11-10 | 2017-11-10 | A kind of axial wheel |
| CN2017111048402 | 2017-11-10 |
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| CN201810400885.2A Active CN108547793B (en) | 2017-11-10 | 2018-04-28 | Axial flow impeller |
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| CN1421615A (en) * | 2001-11-27 | 2003-06-04 | 北京森博苑科技有限公司 | Axial flow fan vane wheel with forward bent and twisted contour |
| CN102828996A (en) * | 2011-06-14 | 2012-12-19 | 珠海格力电器股份有限公司 | Axial fan |
| CN103511339A (en) * | 2012-06-29 | 2014-01-15 | 珠海格力电器股份有限公司 | Air conditioner, axial flow fan and axial propeller of axial flow fan |
| CN106351878A (en) * | 2016-09-28 | 2017-01-25 | 华中科技大学 | Axial-flow swept blade |
| CN106939902A (en) * | 2017-04-06 | 2017-07-11 | 王尚锦 | The energy-saving forward and backward disk variable curvature curve element 3 d impeller of straight wall and the centrifugal fan using the impeller |
| CN208702772U (en) * | 2017-11-10 | 2019-04-05 | 佛山市南海九洲普惠风机有限公司 | A kind of axial wheel |
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2017
- 2017-11-10 CN CN201711104840.2A patent/CN107917102A/en active Pending
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2018
- 2018-04-28 CN CN201810400885.2A patent/CN108547793B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0174487A1 (en) * | 1984-08-16 | 1986-03-19 | Siemens Aktiengesellschaft | Axial ventilator |
| CN1421615A (en) * | 2001-11-27 | 2003-06-04 | 北京森博苑科技有限公司 | Axial flow fan vane wheel with forward bent and twisted contour |
| CN102828996A (en) * | 2011-06-14 | 2012-12-19 | 珠海格力电器股份有限公司 | Axial fan |
| CN103511339A (en) * | 2012-06-29 | 2014-01-15 | 珠海格力电器股份有限公司 | Air conditioner, axial flow fan and axial propeller of axial flow fan |
| CN106351878A (en) * | 2016-09-28 | 2017-01-25 | 华中科技大学 | Axial-flow swept blade |
| CN106939902A (en) * | 2017-04-06 | 2017-07-11 | 王尚锦 | The energy-saving forward and backward disk variable curvature curve element 3 d impeller of straight wall and the centrifugal fan using the impeller |
| CN208702772U (en) * | 2017-11-10 | 2019-04-05 | 佛山市南海九洲普惠风机有限公司 | A kind of axial wheel |
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| CN108547793B (en) | 2023-09-01 |
| CN107917102A (en) | 2018-04-17 |
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