CN206206264U - Impeller and the blower fan with it - Google Patents
Impeller and the blower fan with it Download PDFInfo
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- CN206206264U CN206206264U CN201621167197.9U CN201621167197U CN206206264U CN 206206264 U CN206206264 U CN 206206264U CN 201621167197 U CN201621167197 U CN 201621167197U CN 206206264 U CN206206264 U CN 206206264U
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- linear leaf
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Abstract
The utility model discloses a kind of impeller and blower fan, the impeller includes：Cover plate, multiple linear leafs and multiple short blades, multiple linear leafs are located on a side surface of cover plate, multiple linear leafs include the multigroup linear leaf group along the circumferentially-spaced arrangement of cover plate, each linear leaf group includes at least one linear leaf, the inlet blade angle of each linear leaf is α, torsion angle is β, and outlet blade angle is γ, and α, β, γ meet：10 °≤α≤90 °, 0 °≤β≤60 °, 0 °≤γ≤90 °；Multiple short blades are set on the cover board, and at least one short blade is provided between two neighboring linear leaf group, the uniform intervals arrangement in the circumference of cover plate with multiple linear leafs of multiple short blades, the entrance cornerite of each short blade is A, outlet cornerite is B, and torsion angle is R, and A, B, R meet：15 °≤A≤90 °, 0 °≤B≤90 °, 0 °≤R≤50 °.According to impeller of the present utility model, performance of the impeller under complicated flow of fluid is improve.
Description
Technical field
The utility model is related to blower fan technical field, more particularly, to a kind of impeller and the blower fan with it.
Background technology
At present majority blower fans use 2D blade wheel structures, in some important events such as high speed, it is difficult to meet blower fan suction greatly, make an uproar
Sound vibrates small, small volume, lightweight, efficiency high requirement, and this has promoted the Ying Shengyu of 3D impellers to use.However, correlation technique
In, mostly using multiple identical curved surface buckets, this performance under complicated flow of fluid has certain office to existing 3D impellers
It is sex-limited.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose a kind of impeller, and performance of the impeller under complicated flow of fluid is improved.
Another purpose of the present utility model is to propose a kind of blower fan with above-mentioned impeller.
According to the impeller of the utility model first aspect, including：Cover plate；Multiple linear leafs, multiple linear leafs are located at
On one side surface of the cover plate, multiple linear leafs include the multigroup linear leaf along the circumferentially-spaced arrangement of the cover plate
Group, linear leaf group described in every group includes linear leaf described at least one, and the inlet blade angle of each linear leaf is α, each
The torsion angle of the linear leaf is β, and the outlet blade angle of each linear leaf is γ, wherein described α, β, γ meet respectively：
10 °≤α≤90 °, 0 °≤β≤60 °, 0 °≤γ≤90 °；Multiple short blades, multiple short blades are located on the cover plate, and
Short blade described at least one, multiple short blades and multiple linear leafs are provided between the two neighboring linear leaf group
The uniform intervals arrangement in the circumference of the cover plate, the entrance cornerite of each short blade is A, and each short blade goes out
Mouth cornerite is B, and the torsion angle of each short blade is R, wherein described A, B, R meet respectively：15 °≤A≤90 °, 0 °≤B≤
90 °, 0 °≤R≤50 °.
According to impeller of the present utility model, by setting linear leaf and short blade both different types of blades, can be with
Improve performance of the impeller under complicated flow of fluid.And, by the inlet blade angle α to linear leaf, torsion angle β, blade
The entrance cornerite A of angle of outlet γ and short blade, outlet cornerite B, torsion angle R are configured, and can further improve the stream of fluid
Dynamic effect.
According to some embodiments of the present utility model, described α, β, γ further meet respectively：30 °≤α≤60 °, 10 °≤
β≤30 °, 30 °≤γ≤60 °；Described A, B, R further meet respectively：45 °≤A≤80 °, 45 °≤B≤80 °, 10 °≤R≤
25°。
According to some embodiments of the present utility model, from inside to outside, each described linear leaf and each short blade
Pressure face is respectively from concave surface gradually to convex surface transition.
According to some embodiments of the present utility model, the inner end of at least one of the linear leaf and the short blade
The outline in portion is smooth curved surface.
According to some embodiments of the present utility model, the outer end end of at least one of the linear leaf and the short blade
The thickness in portion is from inside to outside gradually reduced.
According to some embodiments of the present utility model, the pressure face of at least one of the linear leaf and the short blade
Connect in outer end end with non-pressure face.
According to some embodiments of the present utility model, a side surface being axially facing along the cover plate of the cover plate
Direction away from the central axis of the cover plate extends.
According to some embodiments of the present utility model, linear leaf group described in every group includes a linear leaf, adjacent two
A short blade is provided between the individual linear leaf.
According to the blower fan of the utility model second aspect, including according to the impeller of the above-mentioned first aspect of the utility model.
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the stereogram of the impeller according to the utility model embodiment；
Fig. 2 is the front view of the impeller shown in Fig. 1；
Fig. 3 is the side view of the impeller shown in Fig. 1；
Fig. 4 is the schematic diagram of the linear leaf shown in Fig. 1；
Fig. 5 is the schematic diagram of the short blade shown in Fig. 1.
Reference：
100：Impeller；
1：Cover plate；2：Linear leaf；21：It is inner；
3：Short blade；31：It is inner.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than the dress for indicating or implying meaning
Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.Additionally, in description of the present utility model, unless otherwise indicated, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The impeller 100 according to the utility model embodiment is described below with reference to Fig. 1-Fig. 5.Impeller 100 can be used for blower fan
For example in centrifugal blower (not shown), now fluid from axially into impeller 100, and can change when impeller 100 is flowed through
Radially, as shown in Figure 3.
As Figure 1-Figure 5, according to the impeller 100 of the utility model first aspect embodiment, including cover plate 1, Duo Gechang
Blade 2 and multiple short blades 3.
The center of cover plate 1 has wheel hub, and wheel hub can be axle construction, and the center of wheel hub is formed with the axis hole of insertion,
The motor shaft of blower fan such as centrifugal blower is suitable to be fixed on and is rotated with impeller 100 in axis hole.Cover plate 1 is located at the periphery of wheel hub
On face, cover plate 1 extends radially outwardly along wheel hub.Wherein, cover plate 1 is preferably integrally formed with wheel hub, with simplified processing process, drop
Low cost.
Multiple linear leafs 2 are located on a side surface of cover plate 1, and multiple linear leafs 2 are included along the circumferentially-spaced arrangement of cover plate 1
Multigroup linear leaf group, at least one linear leaf 2 is included per group leader's blade group.Now multiple linear leafs 2 can be divided into including
Multigroup linear leaf group of at least one linear leaf 2.The total number of the group number less than or equal to linear leaf 2 of linear leaf group.When each length
When blade group includes a linear leaf 2, the group number of linear leaf group is equal to the total number of linear leaf 2, and now multiple linear leafs 2 are in lid
The circumferentially-spaced arrangement of plate 1；When each linear leaf group includes multiple linear leafs 2, this multiple linear leaf 2 can be along cover plate 1
Circumferentially-spaced arrangement, now linear leaf group group number less than linear leaf 2 total number.It is understood that each linear leaf
The number of the linear leaf 2 in group can specifically be set according to actual requirement, preferably to meet actual requirement.For example, such as Fig. 2 institutes
Show, multiple linear leafs 2 are preferably distributed along the circumferential uniform intervals of cover plate 1, will flow through its fluid (including gas and liquid)
It is uniform to derive.
Multiple short blades 3 are located on cover plate 1, and as shown in Figure 1-Figure 3, multiple short blades 3 and multiple linear leafs 2 are respectively positioned on lid
On the same side surface of plate 1, and multiple being provided at circumferentially spaced along cover plate 1 of short blade 3, it is provided between two neighboring linear leaf group
At least one short blade 3, the uniform intervals arrangement in the circumference of cover plate 1 with multiple linear leafs 2 of multiple short blades 3, i.e., per adjacent
The distance between two blades it is roughly equal.As shown in Fig. 2 now cover plate 1 is provided with two distinct types of blade, and it is long
Blade 2 and short blade 3 are alternately arranged, such that it is able to improve performance of the impeller 100 under complicated flow of fluid.Wherein, it is multiple
Short blade 3 is preferably distributed along the circumferential uniform intervals of cover plate 1.
Alternatively, each linear leaf 2 and each short blade 3 can be respectively preferably 3D twisted blades, thus, it is possible to improve
Flow through the flow behavior of the fluid of linear leaf 2 and short blade 3.
Here, it is necessary to explanation, " linear leaf 2 " and " short blade 3 " can be understood as short blade 3 length be less than come into leaves
The length of piece 2.For example, in the example of fig. 1 and 2, inner the 21 of each linear leaf 2 extend to the outer peripheral face of adjacent hub,
Inner the 31 of each short blade 3 are outer with wheel hub more than inner the 21 of each linear leaf 2 with the distance between the outer peripheral face of wheel hub
The outer end of the distance between side face, each linear leaf 2 and each short blade 3 all extends to the outer peripheral edge of cover plate 1.May be appreciated
It is that the specific arrangement mode of linear leaf 2 and short blade 3 on cover plate 1 can specifically be set according to actual requirement, with preferably full
Sufficient actual requirement.Wherein, direction " interior " refers to the direction towards the center of cover plate 1, and its rightabout is defined as " outward ".
Wherein, linear leaf 2 and short blade 3 both blades can have similar blade profile, but geometric properties are different.Specifically
Ground, as shown in Fig. 2 the inlet blade angle of each linear leaf 2 is α, the torsion angle of each linear leaf 2 is β, each linear leaf 2
Outlet blade angle is γ, and wherein α, β, γ meets respectively：10 °≤α≤90 °, 0 °≤β≤60 °, 0 °≤γ≤90 °.Each short leaf
The entrance cornerite of piece 3 is A, and the outlet cornerite of each short blade 3 is B, and the torsion angle of each short blade 3 is R, wherein A, B, R point
Do not meet：15 °≤A≤90 °, 0 °≤B≤90 °, 0 °≤R≤50 °.Thus, by the above-mentioned ginseng to linear leaf 2 and short blade 3
Number is configured, and can further improve the flow effect of fluid.
Impeller 100 according to the utility model embodiment, by setting linear leaf 2 and short blade 3 both different types
Blade, performance of the impeller 100 under complicated flow of fluid can be improved.And, by the inlet blade angle to linear leaf 2
The entrance cornerite A of α, torsion angle β, outlet blade angle γ and short blade 3, outlet cornerite B, torsion angle R are configured, and can enter one
Step improves the flow effect of fluid.
According to further embodiment of the present utility model, the inlet blade angle α of linear leaf 2, torsion angle β, outlet blade angle
γ further meets respectively：30 °≤α≤60 °, 10 °≤β≤30 °, 30 °≤γ≤60 °.The entrance cornerite A of short blade 3, outlet
Cornerite B, torsion angle R further meet respectively：45 °≤A≤80 °, 45 °≤B≤80 °, 10 °≤R≤25 °.Thus, it is possible to more enter
One step ground improves the flow effect of fluid.It is understood that the inlet blade angle α of linear leaf 2, torsion angle β, outlet blade angle
The entrance cornerite A of γ and short blade 3, outlet cornerite B, the concrete numerical value of torsion angle R can specifically be set according to actual requirement, with
Preferably meet actual requirement.
Alternatively, as shown in Figure 1, Figure 4 and Figure 5, from inside to outside, the pressure face point of each linear leaf 2 and each short blade 3
Not from concave surface gradually to convex surface transition.Thus, it is possible to increase the contact of linear leaf 2, short blade 3 with fluid, linear leaf is improve
2nd, the fluency of short blade 3, such that it is able to improve the flatness of overall flow of fluid.Specifically, for example, working as each linear leaf 2
When thickness with each short blade 3 generally remains constant from inside to outside, the non-pressure of each linear leaf 2 and each short blade 3
Face (another side surface i.e. relative with pressure face) is from inside to outside, from convex surface gradually to concave surface transition.
According to some embodiments of the present utility model, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, in linear leaf 2 and short blade 3
At least one inner end outline for smooth curved surface such as arcwall face etc..Preferably, linear leaf 2 and short blade 3
The end face of inner end is respectively the arcwall face of the center protrusion for being directed away from linear leaf 2 and short blade 3.Thus, by every
The inner of individual linear leaf 2 and short blade 3 carries out round and smooth treatment so that the blade profile of linear leaf 2 and short blade 3 is rounder and more smooth, Ke Yiyou
Effect reduces resistance and the friction of fluid intake, is conducive to reducing flow resistance and the abrasion of fluid, makes the hydraulic performance of impeller 100
More preferably.Here, it is necessary to explanation, when impeller 100 is used for blower fan such as centrifugal blower, " linear leaf 2 and short blade 3 it is interior
End " is linear leaf 2 and the arrival end of short blade 3, i.e., the one end for being contacted with fluid first.
According to some embodiments of the present utility model, the thickness of the outer end end of at least one of linear leaf 2 and short blade 3
Degree is from inside to outside gradually reduced.For example in the example of fig. 1 and 2, the thickness of the outer end end of linear leaf 2 and short blade 3 is equal
It is gradually reduced.Thus, be conducive to increasing discharge area, further improve the flow effect of fluid.
Further, the pressure face of at least one of linear leaf 2 and short blade 3 and non-pressure face are in outer end end phase
Connect.For example, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, the pressure face and non-pressure face in linear leaf 2 and short blade 3 are respectively in outer end
End connects, and now the outer end end of linear leaf 2 and short blade 3 is wedge angle.Thus, it is possible to further increase exit face
Product, further improves the flow effect of fluid.
According to some embodiments of the present utility model, an above-mentioned side surface being axially facing away from lid along cover plate 1 of cover plate 1
The direction of the central axis of plate 1 extends.The now above-mentioned generally conical face of a side surface of cover plate 1.Specifically, for example in Fig. 1
In the example of Fig. 3, an above-mentioned side surface of cover plate 1 can be formed as the side of the central axis for being directed away from wheel hub from right to left
To the conical camber of the indent for extending.Certainly, an above-mentioned side surface of cover plate 1 can also be round table surface, and now cover plate 1 is above-mentioned
One side surface is projected as straight line section on the longitudinal cross-section of cover plate 1；Or, an above-mentioned side surface of cover plate 1 can also
It is formed towards the conical camber (not shown) of the evagination that the direction of central axis away from wheel hub extends.May be appreciated
It is that the concrete shape of an above-mentioned side surface of cover plate 1 can specifically be set according to actual requirement, be actually subjected to preferably meeting
Ask.
Impeller 100 according to the utility model embodiment, can effectively reduce resistance and the friction of fluid intake, effectively increase
Big fluid issuing area, improves the overall flow performance of fluid when impeller 100 works.
It is as depicted in figs. 1 and 2, long including one per group leader's blade group according to a specific embodiment of the present utility model
Blade 2, is provided with a short blade 3 between two neighboring linear leaf 2, now multiple linear leafs 2 and multiple short blades 3 are along cover plate 1
It is circumferential staggered successively, i.e., be provided with a short blade 3, similarly, two neighboring short blade between two neighboring linear leaf 2
A linear leaf 2 also is provided between 3, thus, performance of the impeller 100 under complicated flow of fluid can be equally improved.
Blower fan such as centrifugal blower according to the utility model second aspect embodiment, including it is above-mentioned according to the utility model
The impeller 100 of first aspect embodiment.
Blower fan such as centrifugal blower according to the utility model embodiment, by using above-mentioned impeller 100, can improve
The overall performance of blower fan such as centrifugal blower.
Other compositions of blower fan such as centrifugal blower according to the utility model embodiment and operation are general for this area
All it is known for logical technical staff, is not detailed herein.
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 utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can in an appropriate manner be combined in one or more any embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (9)
1. a kind of impeller, it is characterised in that including：
Cover plate；
Multiple linear leafs, multiple linear leafs are located on a side surface of the cover plate, and multiple linear leafs are included along institute
Multigroup linear leaf group of the circumferentially-spaced arrangement of cover plate is stated, linear leaf group described in every group includes linear leaf described at least one, often
The inlet blade angle of the individual linear leaf is α, and the torsion angle of each linear leaf is β, and the blade of each linear leaf goes out
Bicker is γ, wherein described α, β, γ meet respectively：10 °≤α≤90 °, 0 °≤β≤60 °, 0 °≤γ≤90 °；
Multiple short blades, multiple short blades are located on the cover plate, and be provided between the two neighboring linear leaf group to
A few short blade, multiple short blades with multiple linear leafs arrange by the uniform intervals in the circumference of the cover plate
Cloth, the entrance cornerite of each short blade is A, and the outlet cornerite of each short blade is B, the torsion of each short blade
Corner is R, wherein described A, B, R meet respectively：15 °≤A≤90 °, 0 °≤B≤90 °, 0 °≤R≤50 °.
2. impeller according to claim 1, it is characterised in that described α, β, γ further meet respectively：30°≤α≤
60 °, 10 °≤β≤30 °, 30 °≤γ≤60 °；
Described A, B, R further meet respectively：45 °≤A≤80 °, 45 °≤B≤80 °, 10 °≤R≤25 °.
3. impeller according to claim 1 and 2, it is characterised in that from inside to outside, each described linear leaf and each described in
The pressure face of short blade is respectively from concave surface gradually to convex surface transition.
4. impeller according to claim 1, it is characterised in that at least one of the linear leaf and the short blade
The outline of inner end is smooth curved surface.
5. impeller according to claim 1, it is characterised in that at least one of the linear leaf and the short blade
The thickness of outer end end is from inside to outside gradually reduced.
6. impeller according to claim 1, it is characterised in that at least one of the linear leaf and the short blade
Pressure face and non-pressure face connect in outer end end.
7. impeller according to claim 1, it is characterised in that a side surface of the cover plate along the cover plate axle
Extend to the direction of the central axis for being directed away from the cover plate.
8. impeller according to claim 1, it is characterised in that linear leaf group described in every group includes a linear leaf,
A short blade is provided between the two neighboring linear leaf.
9. a kind of blower fan, it is characterised in that including the impeller according to any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167197.9U CN206206264U (en) | 2016-10-31 | 2016-10-31 | Impeller and the blower fan with it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621167197.9U CN206206264U (en) | 2016-10-31 | 2016-10-31 | Impeller and the blower fan with it |
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| Publication Number | Publication Date |
|---|---|
| CN206206264U true CN206206264U (en) | 2017-05-31 |
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ID=58758673
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621167197.9U Active CN206206264U (en) | 2016-10-31 | 2016-10-31 | Impeller and the blower fan with it |
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| CN (1) | CN206206264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402020A (en) * | 2016-10-31 | 2017-02-15 | 广东威灵电机制造有限公司 | Impeller and fan having same |
-
2016
- 2016-10-31 CN CN201621167197.9U patent/CN206206264U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402020A (en) * | 2016-10-31 | 2017-02-15 | 广东威灵电机制造有限公司 | Impeller and fan having same |
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