CN203867972U - Wind wheel and air conditioning outdoor unit - Google Patents
Wind wheel and air conditioning outdoor unit Download PDFInfo
- Publication number
- CN203867972U CN203867972U CN201420223099.7U CN201420223099U CN203867972U CN 203867972 U CN203867972 U CN 203867972U CN 201420223099 U CN201420223099 U CN 201420223099U CN 203867972 U CN203867972 U CN 203867972U
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- blade
- wind wheel
- rib
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 9
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 6
- 239000011324 bead Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Abstract
The utility model provides a wind wheel and an air conditioning outdoor unit. The wind wheel comprises a hub and a plurality of blades; the blades are arranged along the circumferential direction of the hub; a blade root of every blade is connected with the outer wall of the hub; the blade surface of every blade which is arranged on an air inlet side of the wind wheel is provided with V-shaped ribs, wherein an open end of every V-shaped rib is towards the tail edge of the blade and a tip end of the V-shaped rib is towards a blade tip of the blade. The blade surface which is arranged on every air inlet side of blade is provided with the V-shaped rib structure and accordingly the liquid flowing through the blade surface arranged on every air inlet side of blade can be effectively adhered to every suction surface so as to reduce the vortex of the tail edge of every air inlet side of blade and accordingly the purpose of noise reduction is achieved finally. The air flow on every suction surface can be well guided to flow from the blade tip of every blade to the tail edge of the blade and can also be fed to the next blade in the process of rotation of the wind wheel through the added V-shaped ribs so as to perform rectification on the air flow and accordingly the noise produced in the process of the rotation of the wind wheel can be well reduced.
Description
Technical field
The utility model relates to field of household appliances, more specifically, relates to a kind of wind wheel and a kind of outdoor unit that comprises the air-conditioning of this wind wheel.
Background technique
In the wind wheel design of air conditioner outdoor machine, positive (pressure side, that is: the surface of the blade of air side) generally need to there is level and smooth blade profile and molded line, the back side (suction surface, that is: the surface of the blade of inlet side) generally need to there is smooth molded line, also have and on suction surface, add upper concave hole structure, also have the structure of local thickening on suction surface.
Suction surface at wind wheel adds different measures, has plenty of the effect that reduces noise of playing; Have plenty of the effect of playing stiffening rib, that is: make the region that blade is thinner be strengthened, avoid wind wheel to lose efficacy in the process of High Rotation Speed; Also have plenty of from hydromechanical angle and analyze and increase specified structure, postpone the surface that fluid layer departs from blade, make the eddy current of blade inlet side less, to reach the object that reduces noise.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model provides a kind of wind wheel, by the bead structures of V-arrangement is set on the blade face in blade inlet side, can the fluid flowing through on the blade face of blade inlet side is effectively attached on suction surface, to reduce the eddy current at trailing edge place, blade inlet side, finally reach the object that reduces noise; And, the rib of the V-arrangement adding can guide the air-flow on suction surface mobile to the trailing edge of blade from the blade tip of blade better, and in the process of wind wheel rotation by airflow feeding to next blade, so that air-flow is carried out to rectification, can reduce better the noise producing in wind wheel rotation process.
The embodiment of the utility model first aspect provides a kind of wind wheel, comprising: wheel hub; With a plurality of blades, along the circumferential arrangement of described wheel hub, and the blade root of described blade and the outer wall of described wheel hub are connected; On the blade face of the described blade of the inlet side of described wind wheel, be provided with the rib of V-arrangement, and the opening end of the described rib of V-arrangement is towards the trailing edge of described blade, the most advanced and sophisticated blade tip towards described blade.
The wind wheel that the utility model provides, by the bead structures of V-arrangement is set on the blade face in blade inlet side, the fluid flowing through on the blade face of blade inlet side effectively can be attached on suction surface, to reduce the eddy current at trailing edge place, blade inlet side, finally reach the object that reduces noise; And, the rib of the V-arrangement adding can guide the air-flow on suction surface mobile to the trailing edge of blade from the blade tip of blade better, and in the process of wind wheel rotation by airflow feeding to next blade, so that air-flow is carried out to rectification, can reduce better the noise producing in wind wheel rotation process.
According to an embodiment of the present utility model, the described rib of V-arrangement comprises two of inside and outside nested setting, and described in two, between rib, has gap.
According to an embodiment of the present utility model, described rib protrudes the blade face 0～3mm of described blade.
According to an embodiment of the present utility model, the tip that is positioned at the described rib in outside is positioned at the blade tip place of described blade, the trailing edge place that opening end is positioned at described blade, and the opening end that is positioned at the described rib of inner side is positioned at the trailing edge place of described blade.
According to an embodiment of the present utility model, the aperture of described rib and the radius ratio of described blade that are positioned at outside are 3～4:10.
According to an embodiment of the present utility model, the aperture of described rib and the radius ratio of described blade that are positioned at inner side are 1～2.5:10.
According to an embodiment of the present utility model, at the Length Ratio of the tip of described rib of inner side and the blade tip of the distance between the trailing edge of described blade and described blade, be 1～2:10.
According to an embodiment of the present utility model, the aperture that is positioned at the described rib in outside is 60～70mm; The aperture that is positioned at the described rib of inner side is 30～40mm.
According to an embodiment of the present utility model, the trailing edge place of described blade is also provided with breach, and described in two the opening end of rib all towards described breach.
The embodiment of the utility model second aspect provides a kind of outdoor unit of air-conditioning, includes the wind wheel described in above-mentioned arbitrary embodiment.
The outdoor unit of the air-conditioning that the utility model provides, noise is little, can better meet user's user demand, to reach the object increasing the volume of product sales.
In sum, the wind wheel that the utility model provides, by the bead structures of V-arrangement is set on the blade face in blade inlet side, can effectively be attached on suction surface the fluid flowing through on the blade face of blade inlet side, to reduce the eddy current at trailing edge place, blade inlet side, finally reach the object that reduces noise; And the rib of the V-arrangement adding can guide air-flow on the suction surface trailing edge from the blade tip of blade to blade to flow better, and in the process of wind wheel rotation by airflow feeding to next blade, so that air-flow is carried out to rectification, can reduce better the noise of wind wheel.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming embodiment's description, wherein:
Fig. 1 is wind wheel one embodiment's described in the utility model main TV structure schematic diagram;
Fig. 2 is the perspective view of wind wheel shown in Fig. 1.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between reference character and component names is:
1 wind wheel, 11 wheel hubs, 12 blades, 121 blade roots, 122 trailing edges, 123 blade tips, 124 breach, 125 blade tips, 13 ribs, 2 inlet sides, 3 air sides.
Embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
The wind wheel 1 that the utility model provides, as depicted in figs. 1 and 2, comprising: wheel hub 11; With a plurality of blades 12, along the circumferential arrangement of described wheel hub 11, and the blade root 121 of described blade 12 is connected with the outer wall of described wheel hub 11; On the blade face of the described blade 12 of the inlet side 2 of described wind wheel 1 (label 3 is air side), be provided with the rib 13 of V-arrangement, and the opening end of the described rib 13 of V-arrangement is towards the trailing edge 122 of described blade 12, the most advanced and sophisticated blade tip 123 towards described blade 12.
The wind wheel 1 that the utility model provides, by rib 13 structures of V-arrangement are set on the blade face in blade inlet side, the fluid flowing through on the blade face of blade inlet side effectively can be attached on suction surface, to reduce the eddy current at 2 trailing edge 122 places, blade 12 inlet side, finally reach the object that reduces noise; And, the rib 13 of the V-arrangement adding can guide the air-flow on suction surface mobile to the trailing edge 122 of blade 12 from the blade tip 123 of blade 12 better, and in the process of wind wheel 1 rotation by airflow feeding to next blade 12, so that air-flow is carried out to rectification, can reduce better the noise of wind wheel 1.
In an embodiment of the present utility model, the described rib 13 of V-arrangement comprises two of inside and outside nested setting, and between rib 13, has gap described in two.
Certainly, the rib 13 of V-arrangement can be also three, four, five of inside and outside nested setting successively etc., and has gap between adjacent rib; also can realize the application's object; its aim does not depart from design philosophy of the present utility model, should belong to the application's protection domain
In an embodiment of the present utility model, described rib 13 protrudes the blade face 0～3mm of described blade 12.
In an embodiment of the present utility model, the tip that is positioned at the described rib 13 in outside is positioned at blade tip 123 places of described blade 12, trailing edge 122 places that opening end is positioned at described blade 12, and the opening end that is positioned at the described rib 13 of inner side is positioned at trailing edge 122 places of described blade 12.
In an embodiment of the present utility model, the aperture b of described rib 13 and the radius ratio of described blade 12 that are positioned at outside are 3～4:10.
The distance of the opening end that wherein, the aperture of rib is rib; In the projection of the plan view of wind wheel, the leaf that the radius a of blade is blade is followed between the blade tip 125 of blade and elongation line is crossed the straight line (as shown in Figure 1) of wind wheel rotating shaft.
In an embodiment of the present utility model, the aperture d of described rib 13 and the radius ratio of described blade 12 that are positioned at inner side are 1～2.5:10.
In an embodiment of the present utility model, at the Length Ratio of the tip of described rib 13 of inner side and the blade tip 125 of the distance c between the trailing edge 122 of described blade 12 and described blade 12, be 1～2:10.
Preferably, the aperture of described rib 13 that is arranged in outside is 60～70mm (the application select 60,65,70 all can realize); The aperture of described rib 13 that is arranged in inner side is 30～40mm (the application select 30,35,40 all can realize).
The utility model provides the embodiment who is provided with the wind wheel of two ribs on a kind of blade, and concrete data information is as follows:
On wind wheel: the aperture b of the described rib 13 in outside and the radius ratio of described blade 12 are 3:10; The aperture d of described rib 13 and the radius ratio of described blade 12 of inner side are 1:10; The Length Ratio of the tip of described rib 13 of inner side and the blade tip 125 of the distance c between the trailing edge 122 of described blade 12 and described blade 12 is 1:10; And the aperture that is positioned at the described rib 13 in outside is 60mm; The aperture that is positioned at the described rib 13 of inner side is 30mm.
The utility model provides again the embodiment who is provided with the wind wheel of two ribs on a kind of blade, and concrete data information is as follows:
On wind wheel: the aperture b of the described rib 13 in outside and the radius ratio of described blade 12 are 4:10; The aperture d of described rib 13 and the radius ratio of described blade 12 of inner side are 2.5:10; The Length Ratio of the tip of described rib 13 of inner side and the blade tip 125 of the distance c between the trailing edge 122 of described blade 12 and described blade 12 is 2:10; And the aperture that is positioned at the described rib 13 in outside is 70mm; The aperture that is positioned at the described rib 13 of inner side is 40mm.
The utility model provides the embodiment who is provided with the wind wheel of two ribs on a kind of blade again, and concrete data information is as follows:
On wind wheel: the aperture b of the described rib 13 in outside and the radius ratio of described blade 12 are 3.5:10; The aperture d of described rib 13 and the radius ratio of described blade 12 of inner side are 1.75:10; The Length Ratio of the tip of described rib 13 of inner side and the blade tip 125 of the distance c between the trailing edge 122 of described blade 12 and described blade 12 is 1.5:10; And the aperture that is positioned at the described rib 13 in outside is 65mm; The aperture that is positioned at the described rib 13 of inner side is 35mm.
The wind wheel noise that above three kinds of embodiments make is little, and energy consumption is low, can meet better user's user demand.
In an embodiment of the present utility model, trailing edge 122 places of described blade 12 are also provided with breach 124, and described in two, the opening end of rib 13, all towards described breach 124, can reduce the eddy current that blade trailing edge place produces, and reduces product noise; And, can under the driving of direct current generator, effectively reduce the power of motor with air quantity, that is: under the driving of direct current generator, with rotating speed air quantity slight reduction, under the requirement that maintains same air quantity, can improve the rotating speed of motor, make the reducing noise of product; In addition, under the driving of AC motor, can effectively reduce motor speed, to coordinate better the best efficiency point of motor, that is: under the prerequisite having reduced with air quantity power, just can select different model or lower-cost motor, when ensuring the quality of products, reduced the cost of motor, to reach the object of products perfection.
The utility model also provides a kind of outdoor unit (not shown) of air-conditioning, includes the wind wheel 1 described in above-mentioned arbitrary embodiment.
The outdoor unit of the air-conditioning that the utility model provides, noise is little, can better meet user's user demand, to reach the object increasing the volume of product sales.
In sum, the wind wheel that the utility model provides, by the bead structures of V-arrangement is set on the blade face in blade inlet side, can effectively be attached on suction surface the fluid flowing through on the blade face of blade inlet side, to reduce the eddy current at trailing edge place, blade inlet side, finally reach the object that reduces noise; And the rib of the V-arrangement adding can guide air-flow on the suction surface trailing edge from the blade tip of blade to blade to flow better, and in the process of wind wheel rotation by airflow feeding to next blade, so that air-flow is carried out to rectification, can reduce better the noise of wind wheel.
In description of the present utility model, term " is connected ", " connection " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the description of this specification, the description of term " embodiment " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a wind wheel, comprising:
Wheel hub; With
A plurality of blades, along the circumferential arrangement of described wheel hub, and the blade root of described blade and the outer wall of described wheel hub are connected; It is characterized in that,
On the blade face of the described blade of the inlet side of described wind wheel, be provided with the rib of V-arrangement, and the opening end of the described rib of V-arrangement is towards the trailing edge of described blade, the most advanced and sophisticated blade tip towards described blade.
2. wind wheel according to claim 1, is characterized in that,
The described rib of V-arrangement comprises two of inside and outside nested setting, and described in two, between rib, has gap.
3. wind wheel according to claim 2, is characterized in that,
Described rib protrudes the blade face 0～3mm of described blade.
4. according to the wind wheel described in claim 2 or 3, it is characterized in that,
The tip that is positioned at the described rib in outside is positioned at the blade tip place of described blade, the trailing edge place that opening end is positioned at described blade, and the opening end that is positioned at the described rib of inner side is positioned at the trailing edge place of described blade.
5. wind wheel according to claim 4, is characterized in that,
The aperture of described rib and the radius ratio of described blade that are positioned at outside are 3～4:10.
6. wind wheel according to claim 5, is characterized in that,
The aperture of described rib and the radius ratio of described blade that are positioned at inner side are 1～2.5:10.
7. wind wheel according to claim 6, is characterized in that,
Length Ratio at the tip of described rib of inner side and the blade tip of the distance between the trailing edge of described blade and described blade is 1～2:10.
8. wind wheel according to claim 7, is characterized in that,
The aperture that is positioned at the described rib in outside is 60～70mm; The aperture that is positioned at the described rib of inner side is 30～40mm.
9. wind wheel according to claim 4, is characterized in that,
The trailing edge place of described blade is also provided with breach, and described in two the opening end of rib all towards described breach.
10. an outdoor unit for air-conditioning, is characterized in that, includes wind wheel as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223099.7U CN203867972U (en) | 2014-05-04 | 2014-05-04 | Wind wheel and air conditioning outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420223099.7U CN203867972U (en) | 2014-05-04 | 2014-05-04 | Wind wheel and air conditioning outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867972U true CN203867972U (en) | 2014-10-08 |
Family
ID=51648932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420223099.7U Expired - Lifetime CN203867972U (en) | 2014-05-04 | 2014-05-04 | Wind wheel and air conditioning outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402026A (en) * | 2016-11-15 | 2017-02-15 | 广东美的制冷设备有限公司 | Axial flow air wheel and air conditioner |
| CN106438471A (en) * | 2016-11-15 | 2017-02-22 | 广东美的制冷设备有限公司 | Axial-flow wind wheel and air conditioner |
-
2014
- 2014-05-04 CN CN201420223099.7U patent/CN203867972U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402026A (en) * | 2016-11-15 | 2017-02-15 | 广东美的制冷设备有限公司 | Axial flow air wheel and air conditioner |
| CN106438471A (en) * | 2016-11-15 | 2017-02-22 | 广东美的制冷设备有限公司 | Axial-flow wind wheel and air conditioner |
| CN106438471B (en) * | 2016-11-15 | 2019-11-26 | 广东美的制冷设备有限公司 | Axial-flow windwheel and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |