CN207377862U - Axial-flow windwheel and air conditioner - Google Patents
Axial-flow windwheel and air conditioner Download PDFInfo
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- CN207377862U CN207377862U CN201721510182.2U CN201721510182U CN207377862U CN 207377862 U CN207377862 U CN 207377862U CN 201721510182 U CN201721510182 U CN 201721510182U CN 207377862 U CN207377862 U CN 207377862U
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- fan blade
- axial
- flow windwheel
- diversion trench
- winglet
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Abstract
The utility model discloses a kind of axial-flow windwheel and air conditioner, wherein, the axial-flow windwheel includes wheel hub and multiple fan blades.Multiple fan blades connect the wheel hub and are uniformly distributed in the periphery of the wheel hub.Wherein, plurality of guiding gutter is provided on the suction surface of each fan blade, also, the leading edge of the diversion trench from trailing edge towards the fan blade of the fan blade extends.Technical solutions of the utility model are intended to improve the air output of axial-flow windwheel.
Description
Technical field
The utility model is related to technical field of refrigeration equipment, more particularly to a kind of axial-flow windwheel and air conditioner.
Background technology
Existing, axial-flow windwheel mainly by wheel hub and is arranged at multiple fan blades of wheel hub periphery and forms.Generally, fan blade
Suction surface in smoothly transitting setting.So axial-flow windwheel run during, fan blade surface can there are air-flow separation
The problem of, and then cause the reduction of axial-flow windwheel air output.
Utility model content
The main purpose of the utility model is to provide a kind of axial-flow windwheel, it is intended to solve that axial-flow windwheel air output is low to ask
Topic.
To achieve the above object, the utility model proposes axial-flow windwheel, including：
Wheel hub；
Multiple fan blades connect the wheel hub and are uniformly distributed in the periphery of the wheel hub；
Wherein, it is provided with plurality of guiding gutter on the suction surface of each fan blade, also, the diversion trench is from the fan blade
Trailing edge towards the fan blade leading edge extend.
Preferably, the diversion trench recessed is formed by the surface of the suction surface.
Preferably, the diversion trench is in that the arc of the external end edge evagination towards the fan blade is set.
Preferably, the groove width of the diversion trench on its concave direction be in tapered setting.
Preferably, the diversion trench is in arc-shaped tapered setting on its concave direction.
Preferably, the groove width a ∈ [2mm~5mm] of the diversion trench.
Preferably, the spacing b ∈ [2mm~15mm] between adjacent two diversion trenches.
Preferably, the external end edge of the fan blade is provided with the suction surface of the pressure face and/or the fan blade by the fan blade
The winglet that side is convex and is formed, also, direction extension of the winglet along the fan blade leading edge towards the fan blade trailing edge.
Preferably, the projection height of the winglet is added in presentation on the extending direction of the winglet and put.
The utility model also proposes a kind of air conditioner, and including axial-flow windwheel, the axial-flow windwheel includes：
Wheel hub；
Multiple fan blades connect the wheel hub and are uniformly distributed in the periphery of the wheel hub；
Wherein, it is provided with a plurality of guided wheel slot on the suction surface of each fan blade, also, the diversion trench is from the fan blade
Leading edge towards the fan blade trailing edge extend.
Technical solutions of the utility model improve going out for axial-flow windwheel by being provided with diversion trench in the suction surface of fan blade
Air quantity is to improve its work efficiency.Wherein, the principle for improving axial-flow windwheel air output is：
First, by setting diversion trench in suction surface, so that air-flow forms one layer of gas eddy in suction surface, produced by this gas eddy
Raw suction function, can effectively inhibit the air-flow separation of fan blade trailing edge, and then realize preliminary raising axial-flow windwheel air output
Effect.
2nd, since the trailing edge of diversion trench from leading edge towards the fan blade of fan blade extends, and then, air-flow can drawing by diversion trench
Stream acts on, and to ensure that a large amount of gases flow in the same direction, and then enhances the air output of axial-flow windwheel, to improve air supply efficiency.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of the utility model axial-flow windwheel；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 a are the structure diagram of one embodiment of fan blade in the utility model axial-flow windwheel；
Fig. 3 b are the structure diagram of another embodiment of fan blade in the utility model axial-flow windwheel；
Fig. 3 c are the structure diagram of the another embodiment of fan blade in the utility model axial-flow windwheel；
Fig. 4 is the structure diagram of another embodiment of the utility model axial-flow windwheel；
Fig. 5 is the partial enlarged view at B in Fig. 4.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Axial-flow windwheel | 200 | Wheel hub |
| 400 | Fan blade | 410 | Leading edge |
| 420 | Trailing edge | 430 | External end edge |
| 600 | Winglet | P | Diversion trench |
| M | Pressure face | N | Suction surface |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of axial-flow windwheel and includes the air conditioner of the axial-flow windwheel in fact, the air-conditioning implement body
Can be split type wall hanging machine, cabinet-type air conditioner, ceiling machine, air-cooled ducted air conditioner or window machine etc..On air conditioner, the description below is with split type wall hanging
Machine is introduced for specific embodiment.Wherein, split type wall hanging machine includes indoor unit and outdoor unit, and axial-flow windwheel can be installed on
Indoor unit and/or outdoor unit, specifically, with axial-flow windwheel is installed on outdoor unit and is explained.It is appreciated that axis stream wind
After taking turns machine installed outdoors, mainly carrying out air-supply heat exchange to the heat exchanger of outdoor unit.
Referring to figs. 1 to Fig. 3 c, the utility model proposes a kind of axial-flow windwheel 100, including wheel hub 200 and multiple fan blades 400.
Multiple fan blades 400 connect the wheel hub 200 and are uniformly distributed in the periphery of the wheel hub 200.Wherein, each fan blade
It is provided with plurality of guiding gutter P on 400 suction surface N, also, the diversion trench P is from the trailing edge 420 of the fan blade 400 towards institute
The leading edge 410 for stating fan blade 400 extends.
Specifically, the wheel hub 200 of axial-flow windwheel 100 is to connect the drive shaft of driving motor, so by drive shaft and
It is rotated, to realize air blowing function.
Multiple fan blades 400 of axial-flow windwheel 100 are connected with wheel hub 200, and are evenly distributed on the periphery of wheel hub 200；Wherein,
With reference to Fig. 1 and Fig. 3 a, there is fan blade 400 leading edge 410, trailing edge 420 and external end edge 430 and the pressure face M being oppositely arranged (to send
Wind face) and suction surface N.
Plurality of guiding gutter P, each diversion trench P are provided on the suction surface N of fan blade 400 from 420 court of trailing edge of fan blade 400
Extend to the leading edge 410 of fan blade 400, it is preferred that diversion trench P extends to the leading edge 410 of fan blade 400.Wherein, diversion trench P's is recessed
If section can be rectangle, triangle, semicircle or polygon etc.；Also, in the present embodiment, the groove width a ∈ of diversion trench P
[2mm~5mm], it will be understood that the groove width of diversion trench P is arranged to 2mm~5mm, is preferably 3mm~4mm.In addition, adjacent two institute
State the spacing b ∈ [2mm~15mm] between diversion trench P, it will be understood that the spacing between the adjacent two diversion trench P be arranged to 2mm~
15mm；Preferably, spacing b ∈ [2mm~6mm], most preferably 3mm or the 4mm between the adjacent two diversion trench P.
Technical solutions of the utility model are provided with diversion trench P by crossing in the suction surface N of fan blade 400, and then improve axis stream
The air output of wind wheel 100 is to improve its work efficiency.Wherein, the principle for improving 100 air output of axial-flow windwheel is：
First, by setting diversion trench P in suction surface N, so that air-flow forms one layer of gas eddy in suction surface N, by this gas
The suction function that whirlpool generates, can effectively inhibit the air-flow separation of 400 trailing edge 420 of fan blade, and then realize preliminary raising axis stream wind
Take turns the effect of 100 air outputs.
2nd, since the trailing edge 420 of diversion trench P from leading edge 410 towards the fan blade 400 of fan blade 400 extends, and then, air-flow can
By the drainage of diversion trench P, to ensure that a large amount of gases flow in the same direction, and then enhance the air-supply of axial-flow windwheel 100
Amount, to improve air supply efficiency.
Further, diversion trench P is arranged on the suction surface N of fan blade 400, and set-up mode can be：
First, diversion trench P directly carries out recess by the surface of suction surface N and is formed；
2nd, the cell wall of diversion trench P is formed by the direct projection in surface of suction surface N, and then, diversion trench P is by adjacent two cell wall
It is enclosed；
3rd, the surface of suction surface N is equipped with a plurality of fuisw rib, and then, each diversion trench P is by water conservancy diversion muscle enclose adjacent two-by-two
It closes and is formed.
In the present embodiment, preferably diversion trench P is formed by the surface indentation of the suction surface N.Wherein, the recess of diversion trench P
The 1/4~1/2 of 400 thickness of fan blade where depth accounts for it.
In another embodiment, referring to Figures 1 and 2, the diversion trench P is in towards outside the external end edge 430 of the fan blade 400
Convex arc is set.It should be understood that in 100 operational process of axial-flow windwheel, the air-flow on 400 suction surface N of fan blade is along axis
The circumferential flow of wind wheel 100 is flowed, and then, in the present embodiment, arc line shaped setting will be made on diversion trench P and extending direction, purport is meets
The flow direction of air-supply air-flow is closed, effectively to reduce windage loss.
In another embodiment, with reference to Fig. 3 a to Fig. 3 c, the diversion trench P groove width on its concave direction in tapered
It sets.It is appreciated that most of gas on suction surface N is flowed by the guiding of diversion trench P, and then, if water conservancy diversion
Angle between the cell wall and slot bottom of slot P is too small (such as concave cross-section is set for rectangle), then the air-flow on suction surface N can generate
Larger turbulent flow in turn results in larger noise.Therefore, diversion trench P is made into tapered recess, and then effectively prevents drawbacks described above.
Wherein, the concave cross-section of diversion trench P can be triangle (with reference to Fig. 3 b), trapezoidal (with reference to Fig. 3 c), semicircle or half elliptic
(with reference to Fig. 3 a) etc.；Preferably, in the present embodiment, setting the diversion trench P, arc-shaped tapered (concave cross-section of diversion trench P is
Semicircle or half elliptic).
In a preferred embodiment, with reference to Fig. 4 to Fig. 5, the external end edge 430 of the fan blade 400 is provided with by the fan blade
The 400 pressure face M and/or suction surface N sides of the fan blade 400 are convex and the winglet 600 that is formed, also, the winglet 600 is along institute
400 leading edge 410 of fan blade is stated towards the direction of 400 trailing edge 420 of fan blade to extend.
It should be understood that in being provided with winglet 600 on pressure face M, and then effectively prevent air-flow on pressure face M from fan blade
400 external end edge 430 shunts, and reduces the air output of axial-flow windwheel 100.In being provided with winglet 600 on suction surface N：It is first, anti-
Only the mass air flow on suction surface N is shunted by the external end edge 430 of fan blade 400 and reduces the air output of axial-flow windwheel 100；Its
Two, because there is shunting gas eddy (the separation gas on suction surface N and the shunting gas on pressure face M in the external end edge 430 of fan blade 400
Body is revealed from the external end edge 430 of fan blade 400 and collects and to be formed), and then, in being provided with winglet 600 on suction surface N, will shunt
The convergence position of gas (shunt gas on shunt gas and pressure face M on suction surface N) is toward away from 400 external end edge of fan blade
It is moved behind 430 position, effectively to reduce the generated noise in use of axial-flow windwheel 100.
In the present embodiment, winglet 600 can extend that (winglet 600 can prolong from the leading edge 410 of fan blade 400 towards trailing edge 420
It extends the trailing edge 420 of fan blade 400 or does not extend to the trailing edge 420 of fan blade 400)；Or winglet 600 can be from the tail of fan blade 400
Edge 420 extends towards leading edge 410；(before winglet 600 can extend to the leading edge 410 of fan blade 400 or not extend to fan blade 400
Edge 410)；More either, winglet 600 can be in the middle part of 400 external end edge 430 of fan blade simultaneously towards 410 He of leading edge of fan blade 400
The trailing edge 420 of fan blade 400 extends that (winglet 600 can extend to the leading edge 410 of fan blade 400 or not extend to the leading edge of fan blade 400
410, the trailing edge 420 of fan blade 400 can also be extended to or do not extend to the trailing edge 420 of fan blade 400).Wherein, it is preferred that this reality
It applies in example, is both provided with winglet 600 on suction surface N and pressure face M, and winglet 600 extends to wind from the leading edge 410 of fan blade 400
The trailing edge 420 of leaf 400.
In a further preferred embodiment, with reference to Fig. 4, the projection height of the winglet 600 is in the extension side of the winglet 600
It presents to add upwards and put.It should be understood that since in 100 operational process of axial-flow windwheel, air-flow is predominantly located in the tail of fan blade 400
Edge 420, so it is accordingly that the height setting closer to 400 trailing edge 420 of fan blade of winglet 600 is higher, and purport is preferably sent to reach
Wind effect and noise reduction (principle is with reference to the foregoing embodiments).
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of axial-flow windwheel, which is characterized in that including：
Wheel hub；
Multiple fan blades connect the wheel hub and are uniformly distributed in the periphery of the wheel hub；
Wherein, it is provided with plurality of guiding gutter on the suction surface of each fan blade, also, the diversion trench is from the tail of the fan blade
The leading edge of edge towards the fan blade extends.
2. axial-flow windwheel as described in claim 1, which is characterized in that the diversion trench by the suction surface surface concave
Into.
3. axial-flow windwheel as described in claim 1, which is characterized in that the diversion trench is in towards outside the external end edge of the fan blade
Convex arc is set.
4. axial-flow windwheel as described in claim 1, which is characterized in that the groove width of the diversion trench in being on its concave direction
Tapered setting.
5. axial-flow windwheel as claimed in claim 4, which is characterized in that the diversion trench on its concave direction it is arc-shaped gradually
Contracting is set.
6. axial-flow windwheel as described in claim 1, which is characterized in that the groove width a ∈ [2mm~5mm] of the diversion trench.
7. axial-flow windwheel as described in claim 1, which is characterized in that between adjacent two diversion trench spacing b ∈ [2mm~
15mm]。
8. axial-flow windwheel as described in claim 1, which is characterized in that the external end edge of the fan blade is provided with by the fan blade
The winglet that the suction surface side of pressure face and/or the fan blade is convex and is formed, also, the winglet is along the fan blade leading edge towards institute
State the direction extension of fan blade trailing edge.
9. axial-flow windwheel as claimed in claim 8, which is characterized in that the projection height of the winglet is in the extension of the winglet
It presents to add on direction and put.
10. a kind of air conditioner, which is characterized in that including the axial-flow windwheel as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510182.2U CN207377862U (en) | 2017-11-13 | 2017-11-13 | Axial-flow windwheel and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510182.2U CN207377862U (en) | 2017-11-13 | 2017-11-13 | Axial-flow windwheel and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207377862U true CN207377862U (en) | 2018-05-18 |
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ID=62333138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721510182.2U Active CN207377862U (en) | 2017-11-13 | 2017-11-13 | Axial-flow windwheel and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207377862U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886690A (en) * | 2019-12-10 | 2020-03-17 | 江西卡帕气体技术有限公司 | Air compressor machine box that convection heat dissipation just made an uproar falls |
| CN110905778A (en) * | 2019-12-10 | 2020-03-24 | 江西卡帕气体技术有限公司 | Air compressor machine box that goes up and down to dispel heat and fall and make an uproar |
| CN110905777A (en) * | 2019-12-10 | 2020-03-24 | 江西卡帕气体技术有限公司 | Air compressor machine heat dissipation box of making an uproar that falls convenient to dismantle |
| CN111022371A (en) * | 2019-12-26 | 2020-04-17 | 宁波朗迪叶轮机械有限公司 | Axial flow fan blade and fan with same |
| CN111677692A (en) * | 2020-05-21 | 2020-09-18 | 同济大学 | Noise reduction type axial flow fan |
| CN113217460A (en) * | 2020-01-21 | 2021-08-06 | 马勒国际有限公司 | Fan impeller |
| WO2023015931A1 (en) * | 2021-08-07 | 2023-02-16 | 广东美的暖通设备有限公司 | Axial flow wind wheel, air conditioner outdoor unit, and air conditioner |
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2017
- 2017-11-13 CN CN201721510182.2U patent/CN207377862U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886690A (en) * | 2019-12-10 | 2020-03-17 | 江西卡帕气体技术有限公司 | Air compressor machine box that convection heat dissipation just made an uproar falls |
| CN110905778A (en) * | 2019-12-10 | 2020-03-24 | 江西卡帕气体技术有限公司 | Air compressor machine box that goes up and down to dispel heat and fall and make an uproar |
| CN110905777A (en) * | 2019-12-10 | 2020-03-24 | 江西卡帕气体技术有限公司 | Air compressor machine heat dissipation box of making an uproar that falls convenient to dismantle |
| CN111022371A (en) * | 2019-12-26 | 2020-04-17 | 宁波朗迪叶轮机械有限公司 | Axial flow fan blade and fan with same |
| CN113217460A (en) * | 2020-01-21 | 2021-08-06 | 马勒国际有限公司 | Fan impeller |
| CN113217460B (en) * | 2020-01-21 | 2023-08-11 | 马勒国际有限公司 | Fan impeller |
| CN111677692A (en) * | 2020-05-21 | 2020-09-18 | 同济大学 | Noise reduction type axial flow fan |
| CN111677692B (en) * | 2020-05-21 | 2022-02-18 | 同济大学 | Noise reduction type axial flow fan |
| WO2023015931A1 (en) * | 2021-08-07 | 2023-02-16 | 广东美的暖通设备有限公司 | Axial flow wind wheel, air conditioner outdoor unit, and air conditioner |
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