CN107013487A - Oblique flow wind wheel and the air conditioner with it - Google Patents
Oblique flow wind wheel and the air conditioner with it Download PDFInfo
- Publication number
- CN107013487A CN107013487A CN201710400928.2A CN201710400928A CN107013487A CN 107013487 A CN107013487 A CN 107013487A CN 201710400928 A CN201710400928 A CN 201710400928A CN 107013487 A CN107013487 A CN 107013487A
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- wheel hub
- oblique flow
- flow wind
- wind wheel
- end points
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Classifications
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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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of oblique flow wind wheel and the air conditioner with it, oblique flow wind wheel includes：Wheel hub and multiple blades.Wheel hub is that the circular arc outer diameter of hollow revolving body and its air intake is D, multiple spacing with blades are opened on the periphery wall of wheel hub, blade includes the first side contacted with the periphery wall of wheel hub, with first while just to second while, between first is connected at second and the outlet air end of adjacent hub the 3rd side, between first is connected at second and the air intake of adjacent hub the 4th side, assuming that by second while and intersection point and two end points on the first side when the 4th where face on the basis of plane, in projection of the blade in reference plane, first side, second side, linear dimension between 3rd two end points at the 4th is respectively L1, L2, L3 and L4, wherein L1=1.1D, L2=1.2D, L3=0.8D, L4=0.6D.According to the oblique flow wind wheel of the present invention, air quantity is big, noise is small.
Description
Technical field
The present invention relates to apparatus of air conditioning field, more particularly, to a kind of oblique flow wind wheel and the air conditioner with it.
Background technology
In correlation technique, air conditioner generally uses centrifugal wind wheel, and it haves the shortcomings that, and air quantity is small, noise is big.Accordingly, it would be desirable to
Improve.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the present invention proposes one kind tiltedly
Wind wheel is flowed, the oblique flow wind wheel has the advantages that air quantity is big, noise is small.
The invention also provides a kind of air conditioner with above-mentioned oblique flow wind wheel.
The oblique flow wind wheel of embodiment according to a first aspect of the present invention, including：Wheel hub, the wheel hub is hollow revolving body,
The external diameter of the wheel hub is gradually reduced on the direction by air intake to outlet air end, wherein outside the circular arc of the air intake of the wheel hub
Footpath is D；Multiple blades, multiple blades are opened in the periphery wall of the wheel hub around the axis of rotation interval of the wheel hub
On, the blade include contacted with the periphery wall of the wheel hub first while, with described first while just to the second side, be connected to
Between described first at described second and the outlet air end of the neighbouring wheel hub the 3rd while, be connected to described first while and institute
State second between and the air intake of the neighbouring wheel hub the 4th while, it is assumed that with described second while and intersection point when the described 4th
And face on the basis of plane where two end points on first side, it is described in projection of the blade in the reference plane
Linear dimension between two end points on the first side is that the linear dimension between L1, two end points on second side is L2, institute
It is that the linear dimension between L3, two end points on the 4th side is L4 to state the linear dimension between two end points on the 3rd side,
Wherein L1=1.1D, L2=1.2D, L3=0.8D, L4=0.6D.
Oblique flow wind wheel according to embodiments of the present invention, by the way that wheel hub is set into the revolving body that air intake is big and outlet air end is small
Shape, while being respectively set to by the linear dimension after four sides of blade are projected in reference plane：L1=1.1D, L2=
1.2D, L3=0.8D, L4=0.6D so that it is suitable to have between the arc diameter of four sides of blade and the air intake of wheel hub
Proportionate relationship, and cause blade to be increase in its width from air intake to the direction of outlet air end, it is possible thereby to make oblique flow wind
Wheel has larger air quantity, while the noise produced when fluid is acted on blade can be reduced, and the structure letter of oblique flow wind wheel
It is single, compact.
According to some alternative embodiments of the present invention, the described second radius while for circular arc and described second is R, R
=D.Thus, the circular arc outer diameter of the radius size on the second side of blade and the air intake of wheel hub is arranged to above-mentioned relation, can be with
While ensureing that oblique flow wind wheel has larger air quantity, noise can be reduced.
According to some alternative embodiments of the present invention, the end points of the neighbouring air intake on second side is relative to described
Vertical range between cross section where the circular arc of the air intake of wheel hub is d1, d1=0.3D.Thus, it is possible to which so that blade has
Suitable size dimension has to balance the relation between air quantity and noise while ensureing that oblique flow wind wheel has larger air quantity
Less noise.
According to some alternative embodiments of the present invention, the end points of the neighbouring outlet air end on second side is relative to described
Vertical range between cross section where the circular arc of the air intake of wheel hub is d2, d2=0.6D.Thus, it is possible to which so that blade has
Suitable size dimension has to balance the relation between air quantity and noise while ensureing that oblique flow wind wheel has larger air quantity
Less noise.
According to some alternative embodiments of the present invention, circular arc of the oblique flow wind wheel in the air intake parallel to the wheel hub
In projection on the cross section of place, the end points of the neighbouring air intake on second side of each blade is located at the projection
Outermost circular arc on, and a diameter of Ds, Ds=1.5D of the circular arc.Thus, it is possible to which so that blade has suitable size
Size has less make an uproar to balance the relation between air quantity and noise while ensureing that oblique flow wind wheel has larger air quantity
Sound.
According to some alternative embodiments of the present invention, the line of two end points on the 4th side and the revolution of the wheel hub
Angle between axis is θ, 30 °≤θ≤45 °.Thus, it is possible to by above-mentioned θ set within the above range, can both avoid due to
Caused by above-mentioned θ values are excessive air-flow directly impact blade generation loud noise, while above-mentioned θ values can also be avoided too small and
Caused air quantity is too small, further balances the relation between air quantity and noise so that oblique flow wind wheel is with larger air quantity
There is less noise simultaneously.
According to some alternative embodiments of the present invention, the quantity of the blade is that n, wherein n >=3 and n are odd number.By inciting somebody to action
The quantity of blade is arranged to odd number, can reduce or avoid oblique flow wind wheel when rotating the resonance that produces and cause noise so that
Noise can further be reduced.
According to some alternative embodiments of the present invention, the scope of the outer diameter D of the circular arc of the air intake of the wheel hub is：
130mm≤D≤180mm.Thus, set within the above range, can caused tiltedly by the outer diameter D of the circular arc of the air intake of wheel hub
While the wheel hub of stream wind wheel has reduced size, it is ensured that with larger air quantity.
The air conditioner of embodiment according to a second aspect of the present invention, including：According to above-mentioned first aspect embodiment of the invention
Oblique flow wind wheel.
Air conditioner according to embodiments of the present invention, the oblique flow wind wheel above-mentioned by setting, can improve the air-supply of air conditioner
Amount, and operating noise can be reduced.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the stereogram of oblique flow wind wheel according to embodiments of the present invention；
Fig. 2 is the stereogram of another angle of oblique flow wind wheel according to embodiments of the present invention；
Fig. 3 is the rearview of oblique flow wind wheel according to embodiments of the present invention；
Fig. 4 is the side view of oblique flow wind wheel according to embodiments of the present invention；
Fig. 5 is the front view of oblique flow wind wheel according to embodiments of the present invention；
Fig. 6 is the sectional view of the line A-A along along Fig. 5；
Fig. 7 is perspective view of the blade of oblique flow wind wheel according to embodiments of the present invention in reference plane.
Reference：
Oblique flow wind wheel 100,
Wheel hub 1, air intake 11, outlet air end 12,
Blade 2, the first side 21, the second side 22, the 3rd side 23, the 4th side 24.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " length ", " width ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " clockwise ", " counterclockwise ", " axle
To ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, be only for
It is easy to the description present invention and simplifies description, rather than indicates or imply that signified device or element there must be specific side
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, defining " first ", "
One or more this feature can be expressed or be implicitly included to two " feature.In the description of the invention, unless otherwise
Illustrate, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Oblique flow wind wheel 100 according to embodiments of the present invention according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 7.
As shown in Fig. 1-Fig. 7, the oblique flow wind wheel 100 of embodiment according to a first aspect of the present invention, including：Wheel hub 1 and multiple
Blade 2.
Specifically, wheel hub 1 is hollow revolving body, and the external diameter of wheel hub 1 is by air intake 11 to the direction of outlet air end 12
On be gradually reduced, wheel hub 1 can be formed as cone, wherein the circular arc outer diameter of the air intake 11 of wheel hub 1 be D.Multiple blades 2 enclose
Axis of rotation interval around wheel hub 1 is opened on the periphery wall of wheel hub 1, and blade 2 includes first contacted with the periphery wall of wheel hub 1
At 21 and first 21 just to second while 22, be connected to first while 21 and second between side 22 and adjacent hub 1 outlet air end
The 3rd of 12 while 23, when being connected to first 21 and described second while between 22 and adjacent hub 1 air intake 11 the 4th while 24.
Assuming that with the second of blade 2 at 22 and the 4th first side 21 of 24 intersection point and blade 2 two end points institutes
The face on the basis of plane, in projection of the blade 2 in reference plane, the linear chi between two end points on the first side 21 of blade 2
Very little is L1, and the linear dimension between two end points on the second side 22 is the linear dimension between L2, two end points on the 3rd side 23
For L3, the linear dimension between two end points on the 4th side 24 is L4, wherein L1=1.1D, L2=1.2D, L3=0.8D, L4=
0.6D.As a result, blade 2 four sides and wheel hub 1 air intake 11 arc diameter between have suitable proportionate relationship,
And cause blade 2 being increase from air intake 11 to its width on the direction of outlet air end 12, while so that the overall chi of blade 2
It is very little larger.
When the oblique flow wind wheel 100 is used in air conditioner, the matching conical crust of weathering can be set in air conditioner,
Oblique flow wind wheel 100 is located in the conical crust of weathering, so that conical air channel is formd when oblique flow wind wheel 100 works, in oblique flow
On the air intake 11 of wind wheel 100 to the direction of outlet air end 12, circulation area reduction, the flow velocity increase of air-flow, so as to reduce air quantity
Loss, increases air quantity.Also, the overall dimensions of blade 2 set larger, in the case of the size of wheel hub 1 is certain, can increase leaf
The active area of piece 2 and air-flow, so as to improve air quantity；Meanwhile, by blade 2 from air intake 11 to the direction of outlet air end 12
Its upper width is increase, is thus the mode of flaring flowing during airflow passes blade 2, so as to reduce fluid
The noise produced when being acted on blade 2, and the oblique flow wind wheel 100 is simple in construction, compact.
It should be noted that above-mentioned " linear dimension between two end points " is in the side parallel with the reference axis of reference plane
Upwards, measured between two end points apart from size.For example, referring to Fig. 7, the reference axis in reference plane is orthogonal x
Axle and y-axis, wherein " the linear dimension L1 " between two end points on the first side 21 of blade 2 can be parallel with above-mentioned x-axis
Direction on, measured between two end points on the first side 21 apart from size；" between two end points on the second side 22 of blade 2
Linear dimension L2 " can be on the direction parallel with above-mentioned x-axis, the range arm measured between two end points on the second side 22
It is very little；" linear dimension L3 " between two end points on the 3rd side 23 of blade 2 can be on the direction parallel with above-mentioned y-axis,
Measured between two end points on the 3rd side 23 apart from size；" the linear dimension between two end points on the 4th side 24 of blade 2
L4 " can be on the direction parallel with above-mentioned y-axis, measured between two end points on the 4th side 24 apart from size.
Oblique flow wind wheel 100 according to embodiments of the present invention, by the way that wheel hub 1 is set to, air intake 11 is big and outlet air end 12 is small
The revolution bodily form, while being respectively set to by the linear dimension after four sides of blade 2 are projected in reference plane：L1=
1.1D, L2=1.2D, L3=0.8D, L4=0.6D so that four sides of blade 2 and the arc diameter of the air intake 11 of wheel hub 1
Between have suitable proportionate relationship, and cause blade 2 from air intake 11 to its width on the direction of outlet air end 12 be increase
, it is possible thereby to make oblique flow wind wheel 100 that there is larger air quantity, while making an uproar of being produced when fluid is acted on blade 2 can be reduced
Sound, and oblique flow wind wheel 100 is simple in construction, compact.
According to some alternative embodiments of the present invention, reference picture 1 and Fig. 7, second when 22 be circular arc and second 22
Radius is R, R=D.In the case where the circular arc outer diameter D of the air intake 11 of wheel hub 1 value is certain, the radius R values on the second side 22 are got over
Greatly, the air quantity that oblique flow wind wheel 100 is produced is bigger, while noise also correspondingly increases, by the radius size on the second side 22 of blade 2
It is arranged to above-mentioned relation with the circular arc outer diameter of the air intake 11 of wheel hub 1, there can be larger air quantity ensureing oblique flow wind wheel 100
Meanwhile, with less noise.
According to some alternative embodiments of the present invention, reference picture 4, the end points of the neighbouring air intake 11 on the second side 22 relative to
Vertical range between cross section where the circular arc of the air intake 11 of wheel hub 1 is d1, d1=0.3D.It is understood that in leaf
Width (" width of blade 2 " refers to size of the blade 2 on along air intake 11 to the direction of outlet air end 12) size of piece 2
And in the case that angle of inclination is certain, above-mentioned d1 value is bigger, show height (" height of the blade 2 refers to " leaf of blade 2
The distance between second side 22 of piece 2 and outer peripheral face of wheel hub 1) it is bigger, thus the size of whole blade 2 is larger, so as to
Increase air quantity, larger noise is generated while also increasing.And above-mentioned d1 value is arranged to 0.3D, blade 2 can be caused to have
Suitable height dimension is to balance the relation between air quantity and noise, while ensureing that oblique flow wind wheel 100 has larger air quantity
With less noise.
According to some alternative embodiments of the present invention, reference picture 4, the end points of the neighbouring outlet air end 12 on the second side 22 relative to
Vertical range between cross section where the circular arc of the air intake 11 of wheel hub 1 is d2, d2=0.6D.Similarly, by above-mentioned d2's
Value is arranged to 0.6D, and blade 2 can be caused to have suitable height dimension to balance the relation between air quantity and noise, is ensureing
Oblique flow wind wheel 100 has less noise while having larger air quantity.
According to some alternative embodiments of the present invention, reference picture 5, oblique flow wind wheel 100 is in the air intake 11 parallel to wheel hub 1
Circular arc where in projection on cross section, the end points of the neighbouring air intake 11 on the second side 22 of each blade 2 is positioned at the projection
Outermost circular arc on, and a diameter of Ds, Ds=1.5D of the circular arc.Thus, when oblique flow wind wheel 100 is rotated, Mei Geye
The movement locus of the end points of the neighbouring air intake 11 on the second side 22 of piece 2 forms above-mentioned circular arc, and the diameter Ds of circular arc value is set
Be set to 1.5D, can cause blade 2 that there is larger size to increase air quantity, at the same this can be limited to noise less
Value, the relation between air quantity and noise is balanced well, ensure oblique flow wind wheel 100 have larger air quantity while have compared with
Small noise.
According to some alternative embodiments of the present invention, the line of two end points on the 4th side 24 and the axis of rotation of wheel hub 1
Between angle be θ, 30 °≤θ≤45 °.Thus, it is possible to which above-mentioned θ is set within the above range, it can both avoid due to above-mentioned
Air-flow directly impacts the loud noise of the generation of blade 2 caused by θ values are excessive, while above-mentioned θ values can also be avoided too small and led
The air quantity of cause is too small, further balances the relation between air quantity and noise so that oblique flow wind wheel 100 is with larger air quantity
There is less noise simultaneously.
According to some alternative embodiments of the present invention, the quantity of blade 2 is that n, wherein n >=3 and n are odd number.Thus, pass through
The quantity of blade 2 is arranged to odd number, can reduce or avoid oblique flow wind wheel 100 when rotating the resonance that produces and cause and make an uproar
Sound, so as to further reduction noise.
According to some alternative embodiments of the present invention, the scope of the outer diameter D of the circular arc of the air intake 11 of wheel hub 1 is：130mm
≤D≤180mm.Thus, set within the above range by the outer diameter D of the circular arc of the air intake 11 of wheel hub 1, oblique flow can be caused
While the wheel hub 1 of wind wheel 100 has reduced size, it is ensured that with larger air quantity.
The air conditioner of embodiment according to a second aspect of the present invention, including：According to above-mentioned first aspect embodiment of the invention
Oblique flow wind wheel 100.
Air conditioner according to embodiments of the present invention, the oblique flow wind wheel 100 above-mentioned by setting, can improve sending for air conditioner
Air quantity, and operating noise can be reduced.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present invention or example.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
1. a kind of oblique flow wind wheel, it is characterised in that including：
Wheel hub, the wheel hub is hollow revolving body, the external diameter of the wheel hub on the direction by air intake to outlet air end gradually
Reduce, wherein the circular arc outer diameter of the air intake of the wheel hub is D；
Multiple blades, multiple blades are opened on the periphery wall of the wheel hub around the axis of rotation interval of the wheel hub,
The blade include contact with the periphery wall of the wheel hub first while and when described first just to the second side, be connected to institute
Between first is stated at described second and the outlet air end of the neighbouring wheel hub the 3rd while, be connected to described first while and it is described
Second between and the air intake of the neighbouring wheel hub the 4th while,
Assuming that by described second while and intersection point and two end points on first side when the described 4th where on the basis of plane
Face, in projection of the blade in the reference plane, the linear dimension between two end points on first side is L1, described
Linear dimension between two end points on the second side is that the linear dimension between L2, two end points on the 3rd side is L3, institute
It is L4, wherein L1=1.1D, L2=1.2D, L3=0.8D, L4=0.6D to state the linear dimension between two end points on the 4th side.
2. oblique flow wind wheel according to claim 1, it is characterised in that described second while for circular arc and described second
Radius is R, R=D.
3. oblique flow wind wheel according to claim 1, it is characterised in that the end points of the neighbouring air intake on second side
It is d1, d1=0.3D relative to the vertical range between cross section where the circular arc of the air intake of the wheel hub.
4. oblique flow wind wheel according to claim 1, it is characterised in that the end points of the neighbouring outlet air end on second side
It is d2, d2=0.6D relative to the vertical range between cross section where the circular arc of the air intake of the wheel hub.
5. oblique flow wind wheel according to claim 1, it is characterised in that the oblique flow wind wheel is in entering parallel to the wheel hub
In projection where the circular arc at wind end on cross section, the end points of the neighbouring air intake on second side of each blade
On the outermost circular arc of the projection, and a diameter of Ds, Ds=1.5D of the circular arc.
6. oblique flow wind wheel according to claim 1, it is characterised in that the line of two end points on the 4th side with it is described
Angle between the axis of rotation of wheel hub is θ, 30 °≤θ≤45 °.
7. oblique flow wind wheel according to claim 1, it is characterised in that the quantity of the blade is n, wherein n >=3 and n is
Odd number.
8. the oblique flow wind wheel according to any one of claim 1-7, it is characterised in that the circular arc of the air intake of the wheel hub
The scope of outer diameter D be：130mm≤D≤180mm.
9. a kind of air conditioner, it is characterised in that including：Oblique flow wind wheel according to any one of claim 1-8.
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| CN109404334A (en) * | 2018-12-27 | 2019-03-01 | 泛仕达机电股份有限公司 | A kind of oblique flow wind wheel and the low noise diagonal flow fan including the oblique flow wind wheel |
| CN113586516A (en) * | 2021-08-27 | 2021-11-02 | 哈利法克斯风机(深圳)有限公司 | Welded high-temperature hub, impeller using hub and fan |
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