CN204175643U - Axial-flow windwheel and the air conditioner with it - Google Patents
Axial-flow windwheel and the air conditioner with it Download PDFInfo
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- CN204175643U CN204175643U CN201420577270.4U CN201420577270U CN204175643U CN 204175643 U CN204175643 U CN 204175643U CN 201420577270 U CN201420577270 U CN 201420577270U CN 204175643 U CN204175643 U CN 204175643U
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- flow windwheel
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Abstract
The utility model discloses a kind of axial-flow windwheel and have its air conditioner, described axial-flow windwheel comprises: wheel hub; And multiple blade, multiple described blade is located on the outer circumferential face of described wheel hub with being arranged in order along clockwise direction, each described blade front side edge is along clockwise direction along being formed as leading edge, each described blade back side edge is along clockwise direction along being formed as trailing edge, the edge of the described leading edge of connection of each described blade and the outer end of trailing edge is formed as outer rim, two side wall surfaces of each described blade are formed as positive pressure face and negative pressure face respectively, and each described blade is provided with the empennage in the described negative pressure face protruding from this blade.According to axial-flow windwheel of the present utility model, effectively prevent the appearance of tip vortex, make the air-flow of discharge more steady, effectively reduce noise, and make tonequality softer, comfortable; The axial wind wheel structure of this structure is simple and processing cost is low, is convenient to practical and applied widely.
Description
Technical field
The utility model relates to air-conditioning technical field, more specifically, relates to a kind of axial-flow windwheel and has its air conditioner.
Background technique
Axial-flow windwheel because of advantages such as its efficiency are high, air quantity is large always adopt by air conditioner outdoor machine.When axial-flow windwheel works, on wind wheel adjacent sections in the radial direction, the relative velocity of air-flow is flowed to blade tip by blade root, and the boundary layer of tip segment is constantly thickeied, and is finally formed by positive pressure face around the tip vortex to negative pressure face.Tip vortex, along with, increase stacked to advancing of air side, finally causes the disorder of discharging air-flow, causes noise to increase.In correlation technique, carry out noise reduction by beating a few row's circular hole at axial-flow windwheel blade near tail circle place, but actual effect is very poor.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of axial-flow windwheel, the noise of described axial-flow windwheel is little.
The utility model also proposed a kind of air conditioner with above-mentioned axial-flow windwheel.
According to axial-flow windwheel of the present utility model, comprising: wheel hub; And multiple blade, multiple described blade is located on the outer circumferential face of described wheel hub with being arranged in order along clockwise direction, each described blade front side edge is along clockwise direction along being formed as leading edge, each described blade back side edge is along clockwise direction along being formed as trailing edge, the edge of the described leading edge of connection of each described blade and the outer end of trailing edge is formed as outer rim, two side wall surfaces of each described blade are formed as positive pressure face and negative pressure face respectively, and each described blade is provided with the empennage in the described negative pressure face protruding from this blade.
According to axial-flow windwheel of the present utility model, effectively prevent the appearance of tip vortex, make the air-flow of discharge more steady, effectively reduce noise, and make tonequality softer, comfortable; The axial wind wheel structure of this structure is simple and processing cost is low, is convenient to practical and applied widely.
In addition, following additional technical characteristics can also be had according to axial-flow windwheel of the present utility model:
According to an embodiment of the present utility model, the arc that it is the center of circle that the outer rim of each described blade is formed as with the center of described wheel hub respectively, the arc lamellar body that it is the center of circle that described empennage on each described blade is formed as with the center of described wheel hub respectively, the radius of described outer rim is 150mm-300mm.
According to an embodiment of the present utility model, the radius of described empennage is 0.5-0.8 times of the radius of the outer rim of described blade.
According to an embodiment of the present utility model, described empennage along the length that the circumference of described axial-flow windwheel extends be the 0.05-0.1 of the length of described outer rim doubly.
According to an embodiment of the present utility model, described empennage protrudes from described negative pressure face and is of a size of the 0.1-0.7 of the size that described empennage extends along the circumference of described axial-flow windwheel doubly.
According to an embodiment of the present utility model, the trailing edge that the described empennage on each described blade is respectively adjacent to corresponding described blade is arranged.
According to an embodiment of the present utility model, described empennage is formed as triangle, and the angle formed between an edge of described empennage and described negative pressure face is 15 °-45 °.
According to an embodiment of the present utility model, the edge of described empennage is formed as circular arc or zigzag fashion.
According to an embodiment of the present utility model, the side relative with described outer rim of each described blade is provided with blade root, and each described blade is connected with described wheel hub by described blade root, and each described blade root is respectively equipped with chamfering.
According to air conditioner of the present utility model, comprise according to axial-flow windwheel of the present utility model.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the axial-flow windwheel according to the utility model embodiment;
Fig. 2 is the plan view of the axial-flow windwheel according to the utility model embodiment;
Fig. 3 is the sectional drawing along A-A line in Fig. 2;
Fig. 4 is the side view of the axial-flow windwheel according to the utility model embodiment.
Fig. 5 is the structural representation of the empennage of axial-flow windwheel according to the utility model embodiment;
Fig. 6 is the structural representation of the empennage of axial-flow windwheel according to another embodiment of the utility model.
Reference character:
Axial-flow windwheel 100;
Wheel hub 10;
Blade 20; Leading edge 21; Trailing edge 22; Outer rim 23; Positive pressure face 24; Negative pressure face 25; Empennage 26; Blade root 27.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " 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 element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.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.
The axial-flow windwheel 100 according to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Shown in Fig. 6, comprise wheel hub 10 and multiple blade 20 according to the axial-flow windwheel 100 of the utility model embodiment.Multiple blade 20 can be located on the outer circumferential face of wheel hub 10 with being arranged in order along clockwise direction.Each blade 20 front side edge is along clockwise direction along the leading edge 21 that can be formed as this blade 20.Each blade 20 back side edge is along clockwise direction along the trailing edge 22 that can be formed as this blade 20.The edge of the connection leading edge 21 of each blade 20 and the outer end of trailing edge 22 is formed as outer rim 23.
Two side wall surfaces of each blade 20 are formed as positive pressure face 24 and negative pressure face 25 respectively.Positive pressure face 24 and negative pressure face 25 can mineralization pressure poor.When axial-flow windwheel 100 works, under the pressure difference effect with negative pressure face 25 of positive pressure face 24, the air on rear side of axial-flow windwheel 100 can to front side flow, constantly to positive pressure face 24 place supply gas.Meanwhile, positive pressure face 24 to air work, can make gas obtain kinetic energy and flows out wind wheel front portion.Thus, gas can constantly flow out from the front portion of axial-flow windwheel 100, thus realizes the function of the axial-feeding-air of axial-flow windwheel 100.
As shown in Figure 1, each blade 20 is provided with the empennage 26 in the negative pressure face 25 protruding from this blade.That is, the negative pressure face 25 of each blade 20 is provided with empennage 26 outwardly.Empennage 26 effectively can destroy tip vortex, avoids the air-flow of discharging to get muddled, the noise of axial-flow windwheel 100 is significantly reduced.
According to the axial-flow windwheel 100 of the utility model embodiment, by arranging the empennage 26 protruding from the negative pressure face 25 of this blade 20 on each blade 20, effectively prevent the appearance of tip vortex, making the air-flow of discharge more steady, effectively reduce noise, and make tonequality softer, comfortable.Axial-flow windwheel 100 structure of this structure is simple and processing cost is low, is convenient to practical and applied widely.
According to embodiments more of the present utility model, multiple blade 20 can the equidistant or unequal-interval setting along the circumference of wheel hub 10.Such as, as shown in Figure 2, multiple blade 20 can along the circumferential spaced set of wheel hub 10.The outer rim 23 of each blade 20 can be formed as arc respectively.Particularly, one section of circular arc that it is the center of circle that this arc can be formed with the center of wheel hub 10.The arc lamellar body that it is the center of circle that empennage 26 on each blade 20 can be formed as with the center of wheel hub 10 respectively.This arc lamellar body and outer rim 23 be arranged in parallel.
Further, the radius of outer rim 23 can be 150mm-300mm, and namely diameter D can 300mm-600mm, as shown in Figure 2.The radius of empennage 26 can be the 0.5-0.8 of the radius of the outer rim 23 into blade 20 doubly, and namely the diameter d of the circular arc at empennage 26 place can be the 0.5-0.8 of the diameter D of outer rim 23 doubly.Empennage 26 can be the 0.05-0.1 of the length of outer rim 23 doubly along the length L that the circumference of axial-flow windwheel 100 extends.The size h that empennage 26 protrudes from negative pressure face 25 can be the 0.1-0.7 of the size L that empennage 26 extends along the circumference of axial-flow windwheel 100 doubly.
As shown in Figure 2, the trailing edge 22 that the empennage 26 on each blade 20 can be close to corresponding blade 20 is respectively arranged.Thus, each empennage 26 all can destroy tip vortex effectively, avoids the air-flow of discharging to get muddled, the noise of axial-flow windwheel 100 is significantly reduced.
As shown in Figure 4, empennage 26 can be formed as triangle substantially, and the angle α formed between an edge of empennage 26 and negative pressure face 25 can be 15 °-45 °.That is, empennage 26 can be formed as the triangular plate protruding from negative pressure face 25, and a limit of triangular plate is located on negative pressure face 25, one in another two limits of triangular plate can and negative pressure face 25 between form the angle of 15 °-45 °.
According to embodiments more of the present utility model, the edge of empennage 26 can be formed as circular arc or zigzag fashion.Particularly, as shown in Figure 5, the edge of empennage 26 is formed as V-arrangement flexuose.As shown in Figure 6, the edge of empennage 26 can be formed as V-arrangement and in the flexuose of rounding off.The empennage 26 with above structure has the effect destroying tip vortex preferably, effectively can reduce the noise of axial-flow windwheel 100.
As shown in Figure 1, in embodiments more of the present utility model, the side relative with outer rim 23 of each blade 20 can be provided with blade root 27, and in other words, the inner edge of each blade 20 can be provided with blade root 27.Each blade 20 is connected with wheel hub 10 by blade root 27.Each blade root 27 is respectively equipped with chamfering, and specifically, each blade root 27 can be formed as circular arc and rounding is arranged.Thus, blade 20 and the join strength of wheel hub 10 can be increased, improve the bulk strength of axial-flow windwheel 100.
The axial-flow windwheel 100 according to the utility model above-described embodiment is comprised according to the air conditioner of model utility embodiment.Axial-flow windwheel 100 can be arranged on the outdoor unit of air conditioner.Owing to having above-mentioned useful technique effect according to the air conditioner of the utility model embodiment, therefore little according to the air conditioner noise of the utility model embodiment, processing cost is low, is convenient to practicality.
According to the utility model implement air conditioner other form and operation be known for the person of ordinary skill of the art, be not described in detail at this.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " 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, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. an axial-flow windwheel, is characterized in that, comprising:
Wheel hub; And
Multiple blade, multiple described blade is located on the outer circumferential face of described wheel hub with being arranged in order along clockwise direction, each described blade front side edge is along clockwise direction along being formed as leading edge, each described blade back side edge is along clockwise direction along being formed as trailing edge, the edge of the described leading edge of connection of each described blade and the outer end of trailing edge is formed as outer rim, two side wall surfaces of each described blade are formed as positive pressure face and negative pressure face respectively, and each described blade is provided with the empennage in the described negative pressure face protruding from this blade.
2. axial-flow windwheel according to claim 1, it is characterized in that, the arc that it is the center of circle that the outer rim of each described blade is formed as with the center of described wheel hub respectively, the arc lamellar body that it is the center of circle that described empennage on each described blade is formed as with the center of described wheel hub respectively, the radius of described outer rim is 150mm-300mm.
3. axial-flow windwheel according to claim 2, is characterized in that, the radius of described empennage is 0.5-0.8 times of the radius of the outer rim of described blade.
4. axial-flow windwheel according to claim 2, is characterized in that, described empennage along the length that the circumference of described axial-flow windwheel extends be the 0.05-0.1 of the length of described outer rim doubly.
5. axial-flow windwheel according to claim 2, is characterized in that, described empennage protrudes from described negative pressure face and is of a size of the 0.1-0.7 of the size that described empennage extends along the circumference of described axial-flow windwheel doubly.
6. axial-flow windwheel according to claim 1, is characterized in that, the trailing edge that the described empennage on each described blade is respectively adjacent to corresponding described blade is arranged.
7. axial-flow windwheel according to claim 1, is characterized in that, described empennage is formed as triangle, and the angle formed between an edge of described empennage and described negative pressure face is 15 °-45 °.
8. axial-flow windwheel according to claim 7, is characterized in that, the edge of described empennage is formed as circular arc or zigzag fashion.
9. the axial-flow windwheel according to any one of claim 1-8, is characterized in that, the side relative with described outer rim of each described blade is provided with blade root, and each described blade is connected with described wheel hub by described blade root, and each described blade root is respectively equipped with chamfering.
10. an air conditioner, is characterized in that, comprises the axial-flow windwheel according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577270.4U CN204175643U (en) | 2014-09-30 | 2014-09-30 | Axial-flow windwheel and the air conditioner with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420577270.4U CN204175643U (en) | 2014-09-30 | 2014-09-30 | Axial-flow windwheel and the air conditioner with it |
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| CN204175643U true CN204175643U (en) | 2015-02-25 |
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| CN201420577270.4U Active CN204175643U (en) | 2014-09-30 | 2014-09-30 | Axial-flow windwheel and the air conditioner with it |
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Cited By (6)
| 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 |
| CN106762824A (en) * | 2016-12-07 | 2017-05-31 | 浙江理工大学 | Axial flow blower 3 d impeller with leaf vein texture and sea-gull type splitterr vanes |
| CN107100891A (en) * | 2017-06-23 | 2017-08-29 | 广东美的制冷设备有限公司 | Axial-flow windwheel, air-conditioner outdoor unit and air conditioner |
| CN107100890A (en) * | 2017-06-15 | 2017-08-29 | 美的集团武汉制冷设备有限公司 | Axial-flow windwheel and the air conditioner with it |
| CN108071090A (en) * | 2016-11-07 | 2018-05-25 | 南京德朔实业有限公司 | Blower and axial fan thereof |
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2014
- 2014-09-30 CN CN201420577270.4U patent/CN204175643U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071090A (en) * | 2016-11-07 | 2018-05-25 | 南京德朔实业有限公司 | Blower and axial fan thereof |
| CN108071090B (en) * | 2016-11-07 | 2021-03-05 | 南京德朔实业有限公司 | Blower and axial fan thereof |
| 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 |
| CN106762824A (en) * | 2016-12-07 | 2017-05-31 | 浙江理工大学 | Axial flow blower 3 d impeller with leaf vein texture and sea-gull type splitterr vanes |
| CN106762824B (en) * | 2016-12-07 | 2023-05-30 | 浙江理工大学 | Axial flow fan ternary impeller with vein structure and gull-shaped splitter blades |
| CN107100890A (en) * | 2017-06-15 | 2017-08-29 | 美的集团武汉制冷设备有限公司 | Axial-flow windwheel and the air conditioner with it |
| CN107100891A (en) * | 2017-06-23 | 2017-08-29 | 广东美的制冷设备有限公司 | Axial-flow windwheel, air-conditioner outdoor unit and air conditioner |
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| GR01 | Patent grant |