CN204175641U - The wind wheel of air-conditioning and air-conditioning - Google Patents
The wind wheel of air-conditioning and air-conditioning Download PDFInfo
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- CN204175641U CN204175641U CN201420565648.9U CN201420565648U CN204175641U CN 204175641 U CN204175641 U CN 204175641U CN 201420565648 U CN201420565648 U CN 201420565648U CN 204175641 U CN204175641 U CN 204175641U
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Abstract
The utility model provides a kind of wind wheel and air-conditioning of air-conditioning.Wherein, the wind wheel of air-conditioning comprises: wheel hub and multiple blade, along described wheel hub circumference successively interval arrange and the blade root of described blade be connected with the outer side wall of described wheel hub; Wherein: the flow-disturbing convex tendon surface of described blade being formed with the arc arranged along described wheel hub circumference.During wind wheel work, air-flow has the relative velocity being flowed to blade tip by blade root between wind wheel adjacent circumferential section in the radial direction, the friction layer of tip segment is constantly thickeied, and is finally formed by pressure side around the tip vortex to suction surface.The utility model, by being formed with the flow-disturbing convex tendon of the arc arranged along wheel hub circumference on the surface of blade, hindering air-flow in wind wheel flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reduces the noise of air-flow generation.
Description
Technical field
The utility model relates to field of household appliances, more specifically, relates to a kind of wind wheel of air-conditioning and a kind of air-conditioning including this wind wheel.
Background technique
Axial-flow windwheel because of its efficiency is high, air quantity is large advantage always adopt by air conditioner outdoor machine.When axial-flow windwheel works, air-flow has the relative velocity being flowed to blade tip by blade root between wind wheel adjacent circumferential section in the radial direction, the friction layer of tip segment is constantly thickeied, and final formation is by the tip vortex of front surface around the rear surface to blade of blade.Tip vortex is constantly stacked, increase on the direction of wind wheel air side (that is: on front side of wind wheel), finally causes the disorder of discharging air-flow, causes pneumatic noise to increase.
Model utility content
The utility model is intended at least to solve one of technical problem existed in prior art.
For this reason, the utility model provides a kind of wind wheel of air-conditioning, and this wind wheel can reduce the disorderly degree of the air-flow of discharging, thus reaches the object of noise-decreasing.
For achieving the above object, the embodiment of the utility model aspect provides a kind of wind wheel of air-conditioning, comprising: wheel hub and multiple blade, blade along described wheel hub circumference successively interval arrange and the blade root of described blade be connected with the outer side wall of described wheel hub; Wherein: the flow-disturbing convex tendon surface of described blade being formed with the arc arranged along described wheel hub circumference.
During wind wheel work, air-flow has the relative velocity being flowed to blade tip by blade root between wind wheel adjacent circumferential section in the radial direction, the friction layer of tip segment is constantly thickeied, and is finally formed by pressure side around the tip vortex to suction surface.The utility model, by being formed with the flow-disturbing convex tendon of the arc arranged along wheel hub circumference on the surface of blade, hindering air-flow in wind wheel flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reduces the noise of air-flow generation.
In addition, the wind wheel of the air-conditioning provided according to the utility model above-described embodiment also has following additional technical feature:
According to an embodiment of the present utility model, multiple described blade is arranged along the uniform interval of circumference of described wheel hub.
According to an embodiment of the present utility model, described blade includes three.
In the circumferential direction of wheel hub, uniform interval arranges three blades: first, blade adopts uniform setting, can make wind wheel in rotation process, wheel hub does not bear the centrifugal force (only bearing the gravity of wind wheel in theory) that wind wheel rotates, reduce the damage to hub bearing, extend the working life of product; Secondly, the quantity of blade selects odd number, and its air draft performance is more remarkable relative to selecting the wind wheel of even numbers blade.
According to an embodiment of the present utility model, on the rear surface that described flow-disturbing convex tendon is positioned at described blade and/or front surface.
Air-flow is carry out on the surface of blade in the flowing of wind wheel radial direction, so only have flow-disturbing convex tendon is arranged on blade rear surface and/or front surface on can hinder the Radial Flow of air-flow, reduce the formation of tip vortex, thus reduce the noise of air-flow generation.
According to an embodiment of the present utility model, the trailing edge place of described blade is formed with circular arc or zigzag breach.
Be formed with circular arc at the trailing edge place of blade or zigzag breach can effectively reduce the air flow swirl caused due to blade quick rotation, thus reach the object reducing the noise that air-flow produces further.
According to an embodiment of the present utility model, the thickness of described flow-disturbing convex tendon is 1 ~ 3mm.
According to an embodiment of the present utility model, the height of described flow-disturbing convex tendon is 1 ~ 6mm.
Flow-disturbing convex tendon adopts above-mentioned thickness and height, takes in from lifting intensity and injection moulding performance two aspect.When thickness and highly too small time, flow-disturbing convex tendon easily forms shrinkage cavity in Injection Molded Parts at Cooling Stage, affects quality, and flow-disturbing convex tendon thickness and highly too small time, its intensity can reduce, and causes it to damage in transportation process or using process.
According to an embodiment of the present utility model, arbitrary described blade all has the radial direction spaced multiple flow-disturbing convex tendon successively along described wheel hub, and the length of multiple described flow-disturbing convex tendon on arbitrary described blade increases successively along the radially outward of described wheel hub.
By arranging multiple flow-disturbing convex tendon, air-flow radial flow direction repeatedly hinders, and the length of flow-disturbing convex tendon increases successively along the radially outward of described wheel hub, flow-disturbing convex tendon is increased with the increase of the sectional area of blade circumference in radial directions in obstruction scope, namely in order to the better Radial Flow hindering air-flow at blade surface, reduce the formation of tip vortex, thus reduce the noise of air-flow generation.
According to an embodiment of the present utility model, arbitrary described blade all have three described flow-disturbing convex tendons.
The embodiment of another aspect of the present utility model provides a kind of air-conditioning, comprises the wind wheel of arbitrary air-conditioning described above.
The air-conditioning that above-described embodiment provides, surface due to the blade of its outdoor unit is formed with the flow-disturbing convex tendon of the arc arranged along wheel hub circumference, flow-disturbing convex tendon hinders air-flow in wind wheel flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reducing the noise of air-flow generation, the use sense that effectively can promote user is subject to.
In sum, the utility model, by being formed with the flow-disturbing convex tendon of the arc arranged along wheel hub circumference on the surface of blade, hindering air-flow in wind wheel flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reduces the noise of air-flow generation.
Additional aspect of the present utility model and advantage become obvious by description part below, or are recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of the wind wheel of air-conditioning according to the utility model embodiment;
Fig. 2 is the main TV structure schematic diagram of the wind wheel of the air-conditioning shown in Fig. 1;
Fig. 3 is the A-A sectional structure schematic diagram of the wind wheel of the air-conditioning shown in Fig. 2;
Fig. 4 is the B portion structure for amplifying schematic diagram in Fig. 3.
Wherein, the corresponding relation in Fig. 1 to Fig. 4 between reference character and component names is:
1 wind wheel 2 flow-disturbing convex tendon 3 trailing edge 4 outer rim 5 leading edge 6 blade root 7 blade tip 8 wheel hub 9 blade.
Embodiment
In order to more clearly 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, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail 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 to implement, and therefore, protection domain of the present utility model is not by the restriction of following public specific embodiment.
The wind wheel of the air-conditioning described in some embodiments of the utility model is described below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, the embodiment of the utility model aspect provides a kind of wind wheel 1 of air-conditioning, comprise: wheel hub 8 and multiple blade 9, blade 9 along described wheel hub 8 circumference successively interval arrange and the blade root 6 of described blade 8 be connected with the outer side wall of described wheel hub 8; Wherein: the flow-disturbing convex tendon 2 surface of described blade 9 being formed with the arc arranged along described wheel hub 8 circumference.
During wind wheel work, air-flow has the relative velocity being flowed to blade tip 7 by blade root 6 between wind wheel adjacent circumferential section in the radial direction, the friction layer of blade tip 7 part is constantly thickeied, and is finally formed by pressure side around the tip vortex to suction surface.The utility model, by being formed with the flow-disturbing convex tendon 2 of the arc arranged along wheel hub 8 circumference on the surface of blade 9, hindering air-flow in wind wheel flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reduces the noise of air-flow generation.
In addition, the wind wheel of the air-conditioning provided according to the utility model above-described embodiment also has following additional technical feature:
First, as depicted in figs. 1 and 2, multiple described blade 9 is arranged along the uniform interval of circumference of described wheel hub 8.
Optionally, described blade 9 includes three.
In the circumferential direction of wheel hub 8, uniform interval arranges three blades 9: first, blade 9 adopts uniform setting, can make wind wheel 1 in rotation process, wheel hub 8 does not bear the centrifugal force (only bearing the gravity of wind wheel in theory) that wind wheel rotates, reduce the damage to wheel hub 8 bearing, extend the working life of product; Secondly, the quantity of blade 9 selects odd number, and its air draft performance is more remarkable relative to selecting the wind wheel 1 of even numbers blade.
Certainly, blade 9 also can be two or four etc., and can realize the object of the application, its aim does not depart from design philosophy of the present utility model yet, should belong in the protection domain of the application.
As shown in Figures 1 to 4, preferably, on described flow-disturbing convex tendon 2 rear surface that is positioned at described blade 9 and/or front surface.
Air-flow is carry out on the surface of blade 9 in the flowing of wind wheel radial direction, so only have flow-disturbing convex tendon 2 is arranged on blade 9 rear surface and/or front surface on can hinder the Radial Flow of air-flow, reduce the formation of tip vortex, thus reduce the noise of air-flow generation.
It should be noted that; above-mentioned flow-disturbing convex tendon 2 only can be positioned at the rear surface of blade or only be positioned at the front surface of blade; or be positioned at rear surface and the front surface of blade simultaneously; no matter flow-disturbing convex tendon is positioned at said arbitrary situation above; the object reducing noise can be realized; its aim does not depart from the design philosophy of the application, does not repeat them here, but should belong to the protection domain of the application.
Preferably, as depicted in figs. 1 and 2, trailing edge 3 place of described blade 9 is formed with circular arc or zigzag breach.
Be formed with circular arc at trailing edge 3 place of blade 9 or zigzag breach can effectively reduce the air flow swirl caused due to blade 9 quick rotation, thus reach the object reducing the noise that air-flow produces further.
Optionally, as shown in Figure 4, the thickness D of described flow-disturbing convex tendon 2 is 1 ~ 3mm.
Optionally, as shown in Figure 4, the height H of described flow-disturbing convex tendon 2 is 1 ~ 6mm.
Flow-disturbing convex tendon 2 adopts above-mentioned thickness D and height H, takes in from lifting intensity and injection moulding performance two aspect.When thickness D and height H too small time, flow-disturbing convex tendon 2 easily forms shrinkage cavity in Injection Molded Parts at Cooling Stage, affects quality, and flow-disturbing convex tendon 2 thickness D and height H too small time, its intensity can reduce, and causes it to damage in transportation process or using process.
Certainly, the thickness D of flow-disturbing convex tendon 2 and height H also can not in above-mentioned dimensional ranges, but its aim does not depart from design philosophy of the present utility model, should belong in the protection domain of the application.
Concrete, as shown in Figures 1 to 4, arbitrary described blade 9 all has the radial direction spaced multiple flow-disturbing convex tendon 2 successively along described wheel hub 8, and the length of multiple described flow-disturbing convex tendon 2 on arbitrary described blade 9 increases successively along the radially outward of described wheel hub 8.
By arranging multiple flow-disturbing convex tendon 2, air-flow radial flow direction repeatedly hinders, and the length of flow-disturbing convex tendon 2 increases successively along the radially outward of described wheel hub 8, flow-disturbing convex tendon 2 is increased with the increase of the sectional area of blade 9 circumference in radial directions in obstruction scope, namely in order to the better Radial Flow hindering air-flow on blade 9 surface, reduce the formation of tip vortex, thus reduce the noise of air-flow generation.
Optionally, as shown in Figure 1 to Figure 3, arbitrary described blade 9 all have three described flow-disturbing convex tendons.
It should be noted that, on blade, the flow-disturbing convex tendon 2 of 9 includes but are not limited to three.
The embodiment of another aspect of the present utility model provides a kind of air-conditioning, comprises the wind wheel 1 of arbitrary air-conditioning described above.
According to the air-conditioning that another embodiment of the present utility model provides, surface due to the blade 9 of its outdoor unit is formed with the flow-disturbing convex tendon 2 of the arc arranged along wheel hub 8 circumference, flow-disturbing convex tendon hinders air-flow in wind wheel 1 flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reducing the noise of air-flow generation, the use sense that effectively can promote user is subject to.
In sum, the utility model, by being formed with the flow-disturbing convex tendon 2 of the arc arranged along wheel hub 8 circumference on the surface of blade 9, hindering air-flow in wind wheel flowing in the radial direction, effectively can reduce the formation of tip vortex, thus reduces the noise of air-flow generation.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the instruction such as term "front", "rear" are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or unit must have specific direction, with specific azimuth configuration and operation, therefore, can not be interpreted as restriction of the present utility model; Term " installation ", " being connected ", " connection ", " fixing " etc. all should be interpreted broadly, and such as, " connection " can be fixedly connected with, and also can be removably connect, or connects integratedly; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment 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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a wind wheel for air-conditioning, is characterized in that, comprising:
Wheel hub; With
Multiple blade, along described wheel hub circumference successively interval arrange and the blade root of described blade be connected with the outer side wall of described wheel hub; Wherein:
The surface of described blade is formed with the flow-disturbing convex tendon of the arc arranged along described wheel hub circumference.
2. the wind wheel of air-conditioning according to claim 1, is characterized in that,
Multiple described blade is arranged along the uniform interval of circumference of described wheel hub.
3. the wind wheel of air-conditioning according to claim 2, is characterized in that,
Described blade includes three.
4. the wind wheel of air-conditioning according to claim 1, is characterized in that,
On the rear surface that described flow-disturbing convex tendon is positioned at described blade and/or front surface.
5. the wind wheel of air-conditioning according to claim 1, is characterized in that,
The trailing edge place of described blade is formed with circular arc or zigzag breach.
6. the wind wheel of air-conditioning according to any one of claim 1 to 5, is characterized in that,
The thickness of described flow-disturbing convex tendon is 1 ~ 3mm.
7. the wind wheel of air-conditioning according to any one of claim 1 to 5, is characterized in that,
The height of described flow-disturbing convex tendon is 1 ~ 6mm.
8. the wind wheel of air-conditioning according to any one of claim 1 to 5, is characterized in that,
Arbitrary described blade all has the radial direction spaced multiple flow-disturbing convex tendon successively along described wheel hub, and the length of multiple described flow-disturbing convex tendon on arbitrary described blade increases successively along the radially outward of described wheel hub.
9. the wind wheel of air-conditioning according to claim 8, is characterized in that,
Arbitrary described blade all have three described flow-disturbing convex tendons.
10. an air-conditioning, is characterized in that, includes the wind wheel of air-conditioning as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565648.9U CN204175641U (en) | 2014-09-28 | 2014-09-28 | The wind wheel of air-conditioning and air-conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420565648.9U CN204175641U (en) | 2014-09-28 | 2014-09-28 | The wind wheel of air-conditioning and air-conditioning |
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| Publication Number | Publication Date |
|---|---|
| CN204175641U true CN204175641U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420565648.9U Active CN204175641U (en) | 2014-09-28 | 2014-09-28 | The wind wheel of air-conditioning and air-conditioning |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889128A (en) * | 2016-05-25 | 2016-08-24 | 珠海格力电器股份有限公司 | Centrifugal fan blade, outer rotor fan and air conditioner |
| CN107013487A (en) * | 2017-05-31 | 2017-08-04 | 广东美的制冷设备有限公司 | Oblique flow wind wheel and the air conditioner with it |
| WO2021128803A1 (en) * | 2019-12-27 | 2021-07-01 | 依必安派特风机(上海)有限公司 | Axial-flow 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 |
-
2014
- 2014-09-28 CN CN201420565648.9U patent/CN204175641U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889128A (en) * | 2016-05-25 | 2016-08-24 | 珠海格力电器股份有限公司 | Centrifugal fan blade, outer rotor fan and air conditioner |
| CN107013487A (en) * | 2017-05-31 | 2017-08-04 | 广东美的制冷设备有限公司 | Oblique flow wind wheel and the air conditioner with it |
| CN107013487B (en) * | 2017-05-31 | 2023-03-24 | 广东美的制冷设备有限公司 | Oblique flow wind wheel and air conditioner with same |
| WO2021128803A1 (en) * | 2019-12-27 | 2021-07-01 | 依必安派特风机(上海)有限公司 | Axial-flow 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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