CN109209996A - Axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner - Google Patents

Axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner Download PDF

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Publication number
CN109209996A
CN109209996A CN201811244129.1A CN201811244129A CN109209996A CN 109209996 A CN109209996 A CN 109209996A CN 201811244129 A CN201811244129 A CN 201811244129A CN 109209996 A CN109209996 A CN 109209996A
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CN
China
Prior art keywords
wheel hub
axial
segment
central axis
flow windwheel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811244129.1A
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Chinese (zh)
Inventor
刘乾坤
王锡栋
凌敬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Refrigeration Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201811244129.1A priority Critical patent/CN109209996A/en
Publication of CN109209996A publication Critical patent/CN109209996A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/325Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/329Details of the hub
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/32Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38Blades
    • F04D29/388Blades characterised by construction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/52Casings; Connections of working fluid for axial pumps
    • F04D29/54Fluid-guiding means, e.g. diffusers
    • F04D29/541Specially adapted for elastic fluid pumps
    • F04D29/545Ducts
    • F04D29/547Ducts having a special shape in order to influence fluid flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a kind of axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner, axial-flow windwheel includes: wheel hub;And multiple blades, multiple blades are intervally arranged along the circumferential direction of wheel hub, the contour edge of blade includes successively end to end leading edge, outer rim, trailing edge and blade root, blade root connect with wheel hub, in the rotation direction of wheel hub, leading edge is located at the front side of trailing edge, on from trailing edge to up-front direction, outer rim includes sequentially connected first segment, second segment and third section, maximum normal distance between first segment and the central axis of wheel hub is less than or equal to the minimum perpendicular distance between second segment and the central axis of wheel hub, and on from trailing edge to up-front direction, vertical range between second segment and the central axis of wheel hub is gradually increased.Axial-flow windwheel according to the present invention can reduce the leakage of air quantity at the outer rim and baffle liner cooperation of blade, improve air quantity, improve air supply efficiency, and can reduce noise.

Description

Axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner
Technical field
The present invention relates to air-conditioning technical fields, more particularly, to a kind of axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and sky Adjust device.
Background technique
Efficiently air-supply is realized in outdoor axial flow blower Axial-Flow wind wheel and air-ducting ring cooperation.But wind wheel in the related technology Leaf top at, air quantity leakage it is bigger than normal, air quantity is less than normal, and air supply efficiency is low, and noise is larger.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of axis Wind wheel is flowed, the axial-flow windwheel can reduce the leakage of air quantity at the outer rim and baffle liner cooperation of blade, improve air quantity, and raising is sent Wind efficiency, and noise can be reduced.
The present invention also proposes that a kind of wind wheel component, the wind wheel component include above-mentioned axial-flow windwheel.
The present invention also proposes that a kind of air-conditioner outdoor unit, the air-conditioner outdoor unit include above-mentioned wind wheel component.
The present invention also proposes that a kind of air conditioner, the air conditioner include above-mentioned air-conditioner outdoor unit.
Axial-flow windwheel according to an embodiment of the present invention, comprising: wheel hub;And multiple blades, multiple blades are described in The circumferential direction of wheel hub is intervally arranged, and the contour edge of the blade includes successively end to end leading edge, outer rim, trailing edge and leaf Root, the blade root connect with the wheel hub, and in the rotation direction of the wheel hub, the leading edge is located at the front side of the trailing edge, On from the trailing edge to the up-front direction, the outer rim includes sequentially connected first segment, second segment and third section, institute The maximum normal distance stated between first segment and the central axis of the wheel hub is less than or equal to the second segment and the wheel hub Minimum perpendicular distance between central axis, and on from the trailing edge to the up-front direction, the second segment with it is described Vertical range between the central axis of wheel hub is gradually increased.
Axial-flow windwheel according to an embodiment of the present invention, by making the outer rim of blade include on from trailing edge to up-front direction Sequentially connected first segment, second segment and third section, the maximum normal distance between first segment and the central axis of wheel hub are less than Minimum perpendicular distance between second segment and the central axis of wheel hub, and on from trailing edge to up-front direction, second segment and wheel Vertical range between the central axis of hub is gradually increased.When axial-flow windwheel and baffle liner cooperate, first segment, which can be located at, is led In stream circle and opposite with straightway, second segment can be located in baffle liner and opposite with one of flared section.It can make Gap between the straightway of baffle liner and the outer rim and baffle liner of flared section blade guarantees in reasonable range, reduces blade Outer rim and baffle liner cooperation at air quantity leakage, improve air quantity, improve air supply efficiency, and noise can be reduced.
According to some embodiments of the present invention, close described more up-front in arbitrary neighborhood two o'clock on the second segment Vertical range between the central axis of the wheel hub is greater than some central axis with the wheel hub close to the trailing edge Between vertical range.
According to some embodiments of the present invention, on from the trailing edge to the up-front direction, the first segment and institute The vertical range stated between the central axis of wheel hub is gradually increased.
According to some embodiments of the present invention, on from the trailing edge to the up-front direction, the first segment and institute The vertical range stated between the central axis of wheel hub is consistent.
According to some embodiments of the present invention, on from the trailing edge to the up-front direction, the third section and institute The vertical range stated between the central axis of wheel hub is gradually increased.
According to some embodiments of the present invention, on from the trailing edge to the up-front direction, the third section and institute The vertical range stated between the central axis of wheel hub is gradually reduced.
According to some embodiments of the present invention, the maximum normal distance between the outer rim and the central axis of the wheel hub For Dmax, the minimum perpendicular distance between the outer rim and the central axis of the wheel hub is Dmin, and is met: 1.01≤ Dmax/Dmin≤1.06。
According to some embodiments of the present invention, at least one end face in the axial ends face of the wheel hub is equipped with along institute State the reinforcing rib that the radial direction of wheel hub extends.
In some embodiments of the invention, when the end face of axial one end of the wheel hub is equipped with multiple reinforcing ribs When, the reinforcing rib is divided into multiple groups, and reinforcing rib described in multiple groups and multiple blades correspond, and reinforcing rib described in every group includes The reinforcing rib of identical quantity, and reinforcing rib described in multiple groups is uniformly distributed along the circumferential direction of the wheel hub is reinforced described in every group When muscle includes multiple reinforcing ribs, multiple reinforcing ribs in every group are uniformly distributed.
In some embodiments of the invention, it is N that reinforcing rib described in every group, which includes the number of the reinforcing rib, and the N is full Foot: 1≤N≤5.
In some embodiments of the invention, leading edge and the wheel of the reinforcing rib described in every group close to the corresponding blade At the cooperation of hub.
According to some embodiments of the present invention, the outer edge in the axial ends face of the wheel hub is equipped with and the wheel hub Centerline axis parallel baffle, the baffle circularizes along the circumferential direction extension of the wheel hub, axial the two of the wheel hub The free end of the baffle of one end in end is equipped with multiple notches, and multiple notches are spaced apart along the circumferential direction of the baffle, The free end of the baffle of the other end in the axial ends of the wheel hub is equipped with multiple protrusive boards with notch cooperation.
In some embodiments of the invention, it is multiple fixed that the end face that the wheel hub is equipped with one end of the notch is equipped with Position muscle, multiple positioning bars and multiple notches correspond, and the positioning bar is located at the inside of the corresponding notch And the height of the positioning bar is higher than the minimum point of the notch.
Wind wheel component according to an embodiment of the present invention, comprising: baffle liner, it is described to lead along the axis direction of the baffle liner Stream circle includes straightway and flared section;Above-mentioned axial-flow windwheel, the first segment be located in the baffle liner and with the straight line Section is opposite, and the second segment is located at that the baffle liner is interior and opposite with the flared section, and the third section is located at the baffle liner Outside.
Wind wheel component according to an embodiment of the present invention, by making the outer rim of blade include on from trailing edge to up-front direction Sequentially connected first segment, second segment and third section, the maximum normal distance between first segment and the central axis of wheel hub are less than Minimum perpendicular distance between second segment and the central axis of wheel hub, and on from trailing edge to up-front direction, second segment and wheel Vertical range between the central axis of hub is gradually increased.When axial-flow windwheel and baffle liner cooperate, first segment, which can be located at, is led In stream circle and opposite with straightway, second segment can be located in baffle liner and opposite with one of flared section.It can make Gap between the straightway of baffle liner and the outer rim and baffle liner of flared section blade guarantees in reasonable range, reduces blade Outer rim and baffle liner cooperation at air quantity leakage, improve air quantity, improve air supply efficiency, and noise can be reduced.
According to some embodiments of the present invention, the distance between the inner peripheral surface of the baffle liner and the outer rim are d, described D meets: 4mm≤d≤12mm.
In some embodiments of the invention, the d meets: 5mm≤d≤8mm.
Air-conditioner outdoor unit according to an embodiment of the present invention, including above-mentioned wind wheel component.
Air-conditioner outdoor unit according to an embodiment of the present invention, by wrapping the outer rim of blade on from trailing edge to up-front direction Sequentially connected first segment, second segment and third section are included, the maximum normal distance between first segment and the central axis of wheel hub is small Minimum perpendicular distance between second segment and the central axis of wheel hub, and on from trailing edge to up-front direction, second segment with Vertical range between the central axis of wheel hub is gradually increased.When axial-flow windwheel and baffle liner cooperate, first segment can be located at In baffle liner and opposite with straightway, second segment can be located in baffle liner and opposite with one of flared section.It can make Gap between the straightway of baffle liner and the outer rim and baffle liner of flared section blade guarantees in reasonable range, reduces leaf The leakage of air quantity, improves air quantity at the outer rim and baffle liner cooperation of piece, improves air supply efficiency, and can reduce noise.
Air conditioner according to an embodiment of the present invention, including above-mentioned air-conditioner outdoor unit.
Air conditioner according to an embodiment of the present invention, by make the outer rim of blade include on from trailing edge to up-front direction according to First segment, second segment and the third section of secondary connection, the maximum normal distance between first segment and the central axis of wheel hub is less than Two sections of minimum perpendicular distances between the central axis of wheel hub, and on from trailing edge to up-front direction, second segment and wheel hub Central axis between vertical range be gradually increased.When axial-flow windwheel and baffle liner cooperate, first segment can be located at water conservancy diversion In circle and opposite with straightway, second segment can be located in baffle liner and opposite with one of flared section.It can leading The gap flowed between the straightway of circle and the outer rim and baffle liner of flared section blade guarantees to reduce blade in reasonable range The leakage of air quantity at outer rim and baffle liner cooperation, improves air quantity, improves air supply efficiency, and can reduce noise.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the main view of axial-flow windwheel according to an embodiment of the present invention;
Fig. 2 is the cross-sectional view of axial-flow windwheel according to an embodiment of the present invention;
Fig. 3 is the perspective view of axial-flow windwheel according to an embodiment of the present invention;
Fig. 4 is the perspective view of another angle of axial-flow windwheel according to an embodiment of the present invention;
Fig. 5 is the perspective view of another angle of axial-flow windwheel according to an embodiment of the present invention;
Fig. 6 is the perspective view of another angle of axial-flow windwheel according to an embodiment of the present invention;
Fig. 7 is the structural schematic diagram of wind wheel component according to an embodiment of the present invention.
Appended drawing reference:
Axial-flow windwheel 100,
Wheel hub 1, reinforcing rib 11, baffle 12, notch 13, protrusive board 14, positioning bar 15,
Blade 2, leading edge 21, outer rim 22, first segment 221, second segment 222, third section 223, trailing edge 23, blade root 24,
Baffle liner 200, straightway 201, flared section 202.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " thickness ", "front", "rear", The orientation or positional relationship of the instructions such as "inner", "outside", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure or position Relationship is set, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, limiting There is the feature of " first ", " second " to can explicitly or implicitly include one or more of the features.It is retouched in of the invention In stating, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Axial-flow windwheel 100 according to an embodiment of the present invention, wind wheel component, air-conditioner outdoor unit are described below with reference to Fig. 1-Fig. 7 And air conditioner.
As shown in Figure 1, axial-flow windwheel 100 according to an embodiment of the present invention, including wheel hub 1 and multiple blades 2.
Specifically, as shown in Figure 1, multiple blades 2 are intervally arranged along the circumferential direction of wheel hub 1.Preferably, multiple blades 2 are evenly spaced on along the circumferential direction of wheel hub 1, and the shape of each blade 2 is identical, it is possible thereby to make axial-flow windwheel 100 Structure is more uniform, so that the rotation of axial-flow windwheel 100 is more stable.
As shown in Figure 1, the contour edge of blade 2 includes successively end to end leading edge 21, outer rim 22, trailing edge 23 and blade root 24, blade root 24 connect with wheel hub 1, and in the rotation direction (direction w as shown in Figure 1) of wheel hub 1, leading edge 21 is located at trailing edge 23 Front side.On from trailing edge 23 to the direction of leading edge 21, outer rim 22 includes sequentially connected first segment 221, second segment 222 and third Section 223, the maximum normal distance between first segment 221 and the central axis of wheel hub 1 are less than or equal to second segment 222 and wheel hub 1 Minimum perpendicular distance between central axis, and on from trailing edge 23 to the direction of leading edge 21, in second segment 222 and wheel hub 1 Vertical range between mandrel line is gradually increased.
Along the axis direction of baffle liner 200, baffle liner 200 may include flared section 202, straightway 201 and flared section 202, the diameter of straightway 201 is identical, and the diameter of flared section 202 is in one end that flared section 202 is connect with straightway 201 to flaring On the direction of 202 other ends of section, diameter is gradually increased.When axial-flow windwheel 100 and baffle liner 200 cooperate, first segment 221 can be with In baffle liner 200 and opposite with straightway 201, second segment 222 can be located in baffle liner 200 and be flared with one of Section 202 is opposite, and third section 223 is located at outside baffle liner 200.With being gradually increased for 202 diameter of flared section, outer rim 22 and wheel hub 1 Central axis between vertical range be gradually increased, 202 leaf of straightway 201 and flared section in baffle liner 200 can be made Gap between the outer rim 22 and baffle liner 200 of piece 2 guarantees in reasonable range, reduces the outer rim 22 and baffle liner of blade 2 The leakage of air quantity at 200 cooperations improves air quantity, improves air supply efficiency, and can reduce noise.Wherein, another on baffle liner 200 One flared section 202 is to reduce out wind resistance to keep outlet air more smooth, reduces noise.
In the related technology, axial-flow windwheel is using being that circle is drawn in the center of circle with circle where its wheel hub outer contour, the circle and every Circle where piece blade outer edge contour line intersects at the design scheme of one section of circular arc or entire blade outer rim, i.e., from trailing edge to outer rim Direction on, the vertical range between the outer rim of blade and the central axis of wheel hub be consistent or part be consistent, cause The outer rim of blade and the fit clearance of 200 flared section 202 of baffle liner are bigger than normal, not can guarantee and protect with the fit clearance of straightway 201 It holds unanimously, the leakage so as to cause (blade outer rim and 200 cooperation position of baffle liner) at leaf top is bigger than normal, and air quantity is less than normal, air-supply is imitated Rate reduces, noise is larger.
Axial-flow windwheel 100 according to an embodiment of the present invention, by making the outer rim 22 of blade 2 from trailing edge 23 to leading edge 21 It include sequentially connected first segment 221, second segment 222 and third section 223, the central axis of first segment 221 and wheel hub 1 on direction Between maximum normal distance be less than minimum perpendicular distance between second segment 222 and the central axis of wheel hub 1, and from trailing edge 23 on the direction of leading edge 21, and the vertical range between second segment 222 and the central axis of wheel hub 1 is gradually increased.When axis stream wind When wheel 100 cooperates with baffle liner 200, first segment 221 can be located in baffle liner 200 and opposite with straightway 201, second segment 222 can be in baffle liner 200 and opposite with one of flared section 202.It can make the straightway in baffle liner 200 Gap between 201 and the outer rim 22 and baffle liner 200 of 202 blade 2 of flared section guarantees in reasonable range, reduces blade 2 Outer rim 22 and 200 cooperation of baffle liner at air quantity leakage, improve air quantity, improve air supply efficiency, and noise can be reduced.
In some embodiments of the invention, as shown in Figure 1, close leading edge on second segment 222 in arbitrary neighborhood two o'clock 21 some vertical range between the central axis of wheel hub 1 is greater than some central axis with wheel hub 1 close to trailing edge 23 Between vertical range.It is understood that using the center of circle of the circle where the outer contour of wheel hub 1 as the center of circle draw justify, the circle with The second segment 222 of each blade 2 intersects and only intersects at a point.It is possible thereby to preferably make from trailing edge 23 to leading edge 21 On direction, the distance between second segment 222 and the central axis of wheel hub 1 are gradually increased, and can make the straight line in baffle liner 200 Section 201 and the gap between the outer rim 22 and baffle liner 200 of 202 blade 2 of flared section guarantee in reasonable range, reduce blade The leakage of air quantity, improves air quantity at 2 outer rim 22 and 200 cooperation of baffle liner, improves air supply efficiency, and can reduce noise.
In addition, experiments verify that, when the close leading edge 21 on second segment 222 in arbitrary neighborhood two o'clock a little and wheel hub 1 Central axis between vertical range be greater than some vertical range between the central axis of wheel hub 1 close to trailing edge 23 When, 3%-6% can be promoted with revolving speed air quantity, reduces 3%-5%, the low 0.5-1.5dBA with air quantity noise with air quantity power.
In some embodiments of the invention, as shown in Figure 1, on from trailing edge 23 to the direction of leading edge 21, first segment 221 Vertical range between the central axis of wheel hub 1 is gradually increased.It is possible thereby to make 22 profile of outer rim of blade 2 more round It is sliding, simplify the structure of blade 2.Further, the close leading edge 21 on first segment 221 in arbitrary neighborhood two o'clock a little and wheel hub Vertical range between 1 central axis is greater than some vertical range between the central axis of wheel hub 1 close to trailing edge 23. Justify it is understood that being drawn using the center of circle of the circle where the outer contour of wheel hub 1 as the center of circle, the first of the circle and each blade 2 Section 221 intersects and only intersects at a point.
Certainly, the invention is not limited thereto, on from trailing edge 23 to the direction of leading edge 21, the center of first segment 221 and wheel hub 1 Vertical range between axis can be consistent.It is possible thereby to make between first segment 221 and the straightway 201 of baffle liner 200 Gap is consistent, and reduces the leakage of air quantity at the outer rim 22 and 200 cooperation of baffle liner of blade 2, improves air quantity, improves air-supply effect Rate, and noise can be reduced.
In some embodiments of the invention, as shown in Figure 1, on from trailing edge 23 to the direction of leading edge 21, third section 223 Vertical range between the central axis of wheel hub 1 is gradually increased.It is possible thereby to increase air quantity, air supply efficiency is improved.Further Ground, some vertical range between the central axis of wheel hub 1 of the close leading edge 21 in third section 223 in arbitrary neighborhood two o'clock Greater than some vertical range between the central axis of wheel hub 1 close to trailing edge 23.It is understood that with the outer of wheel hub 1 The center of circle of circle where contour line is that circle is drawn in the center of circle, which intersects with the third section 223 of each blade 2 and only intersect at a point.
Certainly, the invention is not limited thereto, on from trailing edge 23 to the direction of leading edge 21, the center of third section 223 and wheel hub 1 Vertical range between axis can be gradually reduced.It is possible thereby to reduce the weight of wind wheel, to reduce the power of motor, improve Efficiency.Further, the close leading edge 21 in third section 223 in arbitrary neighborhood two o'clock a little with the central axis of wheel hub 1 it Between vertical range be less than some vertical range between the central axis of wheel hub 1 close to trailing edge 23.It is understood that It is drawn and is justified as the center of circle using the center of circle of the circle where the outer contour of wheel hub 1, which intersects and only with the third section 223 of each blade 2 It intersects at a point.
Preferably, the maximum normal distance between outer rim 22 and the central axis of wheel hub 1 is Dmax, outer rim 22 and wheel hub 1 Central axis between minimum perpendicular distance be Dmin, and meet: 1.01≤Dmax/Dmin≤1.06.For example, Dmax/ Dmin can be 1.02,1.03,1.04 or 1.05 etc..It is possible thereby to avoid the blade 2 of axial-flow windwheel 100 excessive, be conducive to drop The weight of low wind wheel reduces the power of motor, improves efficiency.
When the vertical range on from trailing edge 23 to the direction of leading edge 21, between first segment 221 and the central axis of wheel hub 1 It is gradually increased, when the vertical range between third section 223 and the central axis of wheel hub 1 is gradually increased, the point that distance is Dmax is The intersection point of leading edge 21 and outer rim 22, it is the intersection point of trailing edge 23 Yu outer rim 22 that distance, which is the point of Dmin,.When from trailing edge 23 to leading edge On 21 direction, the vertical range between first segment 221 and the central axis of wheel hub 1 is gradually increased, third section 223 and wheel hub 1 Central axis between vertical range when being gradually reduced, it is the friendship of second segment 222 and third section 223 that distance, which is the point of Dmax, Point.And the point, close to one end of the separate straightway 201 of the flared section 202 of baffle liner 200, which can be located at flared section 202 Outside, or it is located in flared section 202, when the point is located in flared section 202, the separate straightway 201 of the point and flared section 202 One end distance be less than 15mm.
In some embodiments of the invention, as shown in figures 3 to 6, at least one of axial ends face of wheel hub 1 is held Face is equipped with the reinforcing rib 11 extended along the radial direction of wheel hub 1.It is possible thereby to reinforce the structural strength of axial-flow windwheel 100, it can To reduce on axial-flow windwheel 100 size of other structures or remove the other components of other part or parts accordingly, to reduce The weight of axial-flow windwheel 100 reduces power of motor, improves efficiency.Furthermore it is also possible to reduce the cost of raw material.
For example, being equipped with radially direction extension on the axial ends face of wheel hub 1 in Fig. 3-example shown in fig. 6 Reinforcing rib 11, reinforcing rib 11 be it is multiple, multiple reinforcing ribs 11 along wheel hub 1 circumferential direction be spaced apart.
Further, as shown in figures 3 to 6, when the end face of axial one end of wheel hub 1 is equipped with multiple reinforcing ribs 11, reinforce Muscle 11 divides for multiple groups, multiple groups reinforcing rib 11 and multiple blades 2 one-to-one correspondence, reinforcing rib of the every group of reinforcing rib 11 including identical quantity 11, and multiple groups reinforcing rib 11 is uniformly distributed along the circumferential direction of wheel hub 1, when every group of reinforcing rib 11 includes multiple reinforcing ribs 11, Multiple reinforcing ribs 11 in every group are uniformly distributed.It is understood that corresponding multiple reinforcing ribs 11 in every group of reinforcing rib 11 Circumferential direction along wheel hub 1 is uniformly distributed.It is possible thereby to make the structure of axial-flow windwheel 100 more uniform, 100 turns of axial-flow windwheel It is dynamic more stable.
Optionally, it is N that every group of reinforcing rib 11, which includes the number of reinforcing rib 11, and the N meets: 1≤N≤5.Thus not only may be used To reinforce the structure of axial-flow windwheel 100, the structure of axial-flow windwheel 100 can also be simplified, advantageously reduce the weight of axial-flow windwheel 100 Amount reduces power of motor, improves efficiency.Such as in Fig. 3-example shown in fig. 6, axial-flow windwheel 100 includes three blades 2, Three groups of reinforcing ribs 11 are equipped on the axial ends face of wheel hub 1, every group of reinforcing rib 11 includes a reinforcing rib 11.
Further, as shown in figures 3 to 6, every group of reinforcing rib 11 is close to the leading edge 21 of corresponding blade 2 and matching for wheel hub 1 At conjunction.Since during axial-flow windwheel 100 rotates, 21 stress of leading edge of blade 2 is maximum, when rotating at high speed, it is easiest to It is destroyed, makes every group of reinforcing rib 11 at the leading edge 21 of corresponding blade 2 and the cooperation of wheel hub 1, blade 2 can be increased Structural strength reduces the probability that blade 2 damages, and extends the service life of axial-flow windwheel 100.
In some embodiments of the invention, as shown in Fig. 2-Fig. 6, the outer edge in the axial ends face of wheel hub 1 is all provided with There is the baffle 12 with the centerline axis parallel of wheel hub 1, baffle 12 is circularized along the circumferential direction extension of wheel hub 1.The axial direction of wheel hub 1 The free end of the baffle 12 of one end in both ends is equipped with multiple notches 13, and multiple notches 13 are along the circumferential direction interval of baffle 12 It opens, each notch 13 has the opening being located on corresponding edge close to the edge of baffle 12, and each notch 13 is in baffle 12 Thickness direction on run through baffle 12.The free end of the baffle 12 of the other end in the axial ends of wheel hub 1 be equipped with it is multiple with it is scarce The protrusive boards 14 of 13 cooperation of mouth, protrusive board 14 protrude from the free end face of baffle 12.
It, can be by multiple axial-flow windwheels 100 along axial direction as a result, in the storage and transportational process of multiple axial-flow windwheels 100 Direction is stacked, and one protrusive board 14 in two neighboring axial-flow windwheel 100 protrudes into another notch 13, can be opposite The stack height of multiple axial-flow windwheels 100 is reduced, and can prevent two adjacent axial-flow windwheels 100 from relatively rotating, side Just it stores and transports.
Further, as shown in figures 3 to 6, the end face that wheel hub 1 is equipped with one end of notch 13 is equipped with multiple positioning bars 15, multiple positioning bars 15 are corresponded with multiple notches 13, and positioning bar 15 is located at the inside of corresponding notch 13 and positioning bar 15 Height be higher than notch 13 minimum point.When multiple axial-flow windwheels 100 are stacked, and in two adjacent axial-flow windwheels 100 One protrusive board 14 when being located in another notch 13, positioning bar 15 can prevent protrusive board 14 and notch 13 along wheel hub 1 Radial direction relatively moves, and facilitates storage and transport.
In some embodiments of the invention, wheel hub 1 and blade 2 are integrated injection molding part.It is possible thereby to simplify wheel hub 1 With the assembly process between blade 2, assembly efficiency is improved.
Optionally, the outer rim 22 of the blade 2 of axial-flow windwheel 100 can be continuous curve.Certainly, 100 leaf of axial-flow windwheel 2 outer rim 22 of piece is also possible to discontinuous curve, for example can be local step broken line, sawtooth, trapezoidal, waveform etc..
Below with reference to the axial-flow windwheel 100 of Fig. 1-Fig. 6 description accord to a specific embodiment of that present invention, it is worth understanding It is that described below is exemplary, it is intended to be used to explain the present invention, and be not considered as limiting the invention.
As shown in Figure 1, axial-flow windwheel 100 according to an embodiment of the present invention, including wheel hub 1 and three blades 2, wherein wheel hub 1 and three blades 2 be integrated injection molded article.
As shown in Figure 1, three blades 2 are evenly spaced on along the circumferential direction of wheel hub 1, the shape of each blade 2 is identical. The contour edge of each blade 2 includes successively end to end leading edge 21, outer rim 22, trailing edge 23 and blade root 24, blade root 24 and wheel Hub 1 connects, and in the rotation direction (direction w as shown in Figure 1) of wheel hub 1, leading edge 21 is located at the front side of trailing edge 23.From trailing edge 23 on the direction of leading edge 21, and outer rim 22 includes sequentially connected first segment 221, second segment 222 and third section 223, first segment Maximum normal distance between 221 and the central axis of wheel hub 1 is less than between second segment 222 and the central axis of wheel hub 1 most Small vertical range.
On from trailing edge 23 to the direction of leading edge 21, vertical range between first segment 221 and the central axis of wheel hub 1 by Cumulative big, any of close leading edge 21 on first segment 221 in arbitrary neighborhood two o'clock is vertical between the central axis of wheel hub 1 Distance is greater than some vertical range between the central axis of wheel hub 1 close to trailing edge 23.From trailing edge 23 to leading edge 21 On direction, the vertical range between second segment 222 and the central axis of wheel hub 1 is gradually increased, and arbitrary neighborhood on second segment 222 Some vertical range between the central axis of wheel hub 1 of close leading edge 21 in two o'clock be greater than close to trailing edge 23 a little with Vertical range between the central axis of wheel hub 1.On from trailing edge 23 to the direction of leading edge 21, in third section 223 and wheel hub 1 Vertical range between mandrel line is gradually increased, the close leading edge 21 in third section 223 in arbitrary neighborhood two o'clock a little and wheel Vertical range between the central axis of hub 1 be greater than close to trailing edge 23 a little between the central axis of wheel hub 1 it is vertical away from From.That is, the vertical range on from trailing edge 23 to the direction of leading edge 21, between outer rim 22 and the central axis of wheel hub 1 It is gradually increased, any of the close leading edge 21 in outer rim 22 in arbitrary neighborhood two o'clock is vertical between the central axis of wheel hub 1 Distance is greater than some vertical range between the central axis of wheel hub 1 close to trailing edge 23.
Wherein, the maximum normal distance between outer rim 22 and the central axis of wheel hub 1 is Dmax, i.e. outer rim 22 and leading edge 21 Tie point and wheel hub 1 central axis between vertical range be Dmax, between outer rim 22 and the central axis of wheel hub 1 most Small vertical range is Dmin, i.e. vertical range between the central axis of the tie point and wheel hub 1 of outer rim 22 and trailing edge 23 is Dmin, and meet: 1.01≤Dmax/Dmin≤1.06.
Along the axis direction of baffle liner 200, baffle liner 200 may include flared section 202, straightway 201 and flared section 202, the diameter of straightway 201 is identical, and the diameter of flared section 202 is in one end that flared section 202 is connect with straightway 201 to flaring On the direction of 202 other ends of section, diameter is gradually increased.When axial-flow windwheel 100 and baffle liner 200 cooperate, first segment 221 can be with In baffle liner 200 and opposite with straightway 201, second segment 222 can be located in baffle liner 200 and be flared with one of Section 202 is opposite, and third section 223 is located at outside baffle liner 200.With being gradually increased for 202 diameter of flared section, outer rim 22 and wheel hub 1 Central axis between vertical range be gradually increased, 202 leaf of straightway 201 and flared section in baffle liner 200 can be made Gap between the outer rim 22 and baffle liner 200 of piece 2 guarantees in reasonable range, reduces the outer rim 22 and baffle liner of blade 2 The leakage of air quantity at 200 cooperations improves air quantity, improves air supply efficiency, and can reduce noise.Wherein, another on baffle liner 200 One flared section 202 is to reduce out wind resistance to keep outlet air more smooth, reduces noise.
As shown in figures 3 to 6, three groups of reinforcing ribs 11 are equipped on the axial ends face of wheel hub 1, every group of reinforcing rib 11 includes One reinforcing rib 11, each reinforcing rib 11 extends along the radial direction of wheel hub 1, and every group of reinforcing rib 11 is close to corresponding blade 2 Leading edge 21 and wheel hub 1 cooperation at.Since during axial-flow windwheel 100 rotates, 21 stress of leading edge of blade 2 is maximum, When rotating at high speed, it is most susceptible to destruction, makes every group of reinforcing rib 11 close to the leading edge 21 of corresponding blade 2 and matching for wheel hub 1 At conjunction, the structural strength of blade 2 can be increased, reduce the probability that blade 2 damages, extend the service life of axial-flow windwheel 100.
As shown in Fig. 2-Fig. 6, the two sides of blade 2 are respectively pressure face and suction surface, the axial ends face of wheel hub 1 it is outer Edge is equipped with the baffle 12 with the centerline axis parallel of wheel hub 1, and baffle 12 is circularized along the circumferential direction extension of wheel hub 1. The free end of the baffle 12 of the pressure face side of wheel hub 1 is set there are three notch 13, circumferential direction of three notches 13 along baffle 12 It is spaced apart, each notch 13 has the opening being located on corresponding edge close to the edge of baffle 12, and each notch 13 is being kept off Run through baffle 12 on the thickness direction of plate 12.The free end of the baffle 12 of the suction surface side of wheel hub 1 is equipped with multiple and notch 13 The protrusive board 14 of cooperation, protrusive board 14 protrude from the free end face of baffle 12.Wherein notch 13 and relief are close to the trailing edge 23 of blade 2 At cooperation with wheel hub 1, and it is spaced apart with reinforcing rib 11.
It, can be by multiple axial-flow windwheels 100 along axial direction as a result, in the storage and transportational process of multiple axial-flow windwheels 100 Direction is stacked, and one protrusive board 14 in two neighboring axial-flow windwheel 100 protrudes into another notch 13, can be opposite The stack height of multiple axial-flow windwheels 100 is reduced, and can prevent two adjacent axial-flow windwheels 100 from relatively rotating, side Just it stores and transports.
Further, as shown in figures 3 to 6, positioning bar there are three being set on end face of the wheel hub 1 equipped with one end of notch 13 15, three positioning bars 15 and three notches 13 correspond, and positioning bar 15 is located at the inside of corresponding notch 13 and positioning bar 15 Height be higher than notch 13 minimum point.When multiple axial-flow windwheels 100 are stacked, and in two adjacent axial-flow windwheels 100 One protrusive board 14 when being located in another notch 13, positioning bar 15 can prevent protrusive board 14 and notch 13 along wheel hub 1 Radial direction relatively moves, and facilitates storage and transport.
Wind wheel component according to an embodiment of the present invention, including baffle liner 200 and above-mentioned axial-flow windwheel 100.
Specifically, baffle liner 200 includes straightway 201 and flared section 202, straight line along the axis direction of baffle liner 200 The diameter of section 201 is identical, and the diameter of flared section 202 is another to flared section 202 in one end that flared section 202 is connect with straightway 201 On the direction of one end, diameter is gradually increased.When axial-flow windwheel 100 and baffle liner 200 cooperate, first segment 221 is located at baffle liner It is in 200 and opposite with straightway 201, second segment 222 be located in baffle liner 200 and with flared section 202 relatively, third section 223 In outside baffle liner 200.
With being gradually increased for 202 diameter of flared section, the vertical range between outer rim 22 and the central axis of wheel hub 1 is gradually Increase, can make between the outer rim 22 and baffle liner 200 of 202 blade 2 of straightway 201 and flared section of baffle liner 200 Gap guarantees in reasonable range, reduces the leakage of air quantity at the outer rim 22 and 200 cooperation of baffle liner of blade 2, improves air quantity, Air supply efficiency is improved, and noise can be reduced.Wherein, another flared section 202 on baffle liner 200 is to make outlet air more It is smooth, wind resistance is reduced out, noise is reduced.
Wind wheel component according to an embodiment of the present invention, by making the outer rim 22 of blade 2 from trailing edge 23 to the side of leading edge 21 Upwards include sequentially connected first segment 221, second segment 222 and third section 223, the central axis of first segment 221 and wheel hub 1 it Between maximum normal distance be less than minimum perpendicular distance between second segment 222 and the central axis of wheel hub 1, and from trailing edge 23 To the direction of leading edge 21, the vertical range between second segment 222 and the central axis of wheel hub 1 is gradually increased.Work as axial-flow windwheel 100 with baffle liner 200 when cooperating, and first segment 221 can be located in baffle liner 200 and opposite with straightway 201, second segment 222 It can be located in baffle liner 200 and opposite with one of flared section 202.It can make 201 He of straightway in baffle liner 200 Gap between the outer rim 22 and baffle liner 200 of 202 blade 2 of flared section guarantees in reasonable range, reduces the outer rim of blade 2 22 with the leakage of air quantity at 200 cooperation of baffle liner, improve air quantity, improve air supply efficiency, and noise can be reduced.
In some embodiments of the invention, the distance between the inner peripheral surface of baffle liner 200 and outer rim 22 are d, and d meets: 4mm≤d≤12mm.When the distance between the inner peripheral surface of baffle liner 200 and outer rim 22 d meet 4mm≤d≤12mm, can drop The leakage of air quantity between low outer rim 22 and baffle liner 200 increases air quantity, improves air supply efficiency, reduces noise.
Preferably, d meets: 5mm≤d≤8mm.For example, d can be 6mm or 7mm etc..Thus, it is possible to further decrease outer The leakage of air quantity between edge 22 and baffle liner 200 increases air quantity, improves air supply efficiency, reduces noise.
Air-conditioner outdoor unit according to an embodiment of the present invention, including above-mentioned wind wheel component.
Air-conditioner outdoor unit according to an embodiment of the present invention, by making the outer rim 22 of blade 2 from trailing edge 23 to leading edge 21 It include sequentially connected first segment 221, second segment 222 and third section 223, the central axis of first segment 221 and wheel hub 1 on direction Between maximum normal distance be less than minimum perpendicular distance between second segment 222 and the central axis of wheel hub 1, and from trailing edge 23 on the direction of leading edge 21, and the vertical range between second segment 222 and the central axis of wheel hub 1 is gradually increased.When axis stream wind When wheel 100 cooperates with baffle liner 200, first segment 221 can be located in baffle liner 200 and opposite with straightway 201, second segment 222 can be in baffle liner 200 and opposite with one of flared section 202.It can make the straightway in baffle liner 200 Gap between 201 and the outer rim 22 and baffle liner 200 of 202 blade 2 of flared section guarantees in reasonable range, reduces blade 2 Outer rim 22 and 200 cooperation of baffle liner at air quantity leakage, improve air quantity, improve air supply efficiency, and noise can be reduced.
Air conditioner according to an embodiment of the present invention, including above-mentioned air-conditioner outdoor unit.
Air conditioner according to an embodiment of the present invention, by making the outer rim 22 of blade 2 from trailing edge 23 to the direction of leading edge 21 Upper includes sequentially connected first segment 221, second segment 222 and third section 223, between first segment 221 and the central axis of wheel hub 1 Maximum normal distance be less than minimum perpendicular distance between second segment 222 and the central axis of wheel hub 1, and from trailing edge 23 to On the direction of leading edge 21, the vertical range between second segment 222 and the central axis of wheel hub 1 is gradually increased.When axial-flow windwheel 100 When cooperating with baffle liner 200, first segment 221 can be located in baffle liner 200 and opposite with straightway 201, and second segment 222 can be with It is in baffle liner 200 and opposite with one of flared section 202.It can make the straightway 201 and flaring in baffle liner 200 Section 202 blades 2 outer rim 22 and baffle liner 200 between gap guarantee in reasonable range, reduce blade 2 outer rim 22 with The leakage of air quantity at 200 cooperation of baffle liner improves air quantity, improves air supply efficiency, and can reduce noise.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this The range of invention is defined by the claims and their equivalents.

Claims (18)

1. a kind of axial-flow windwheel characterized by comprising
Wheel hub;And
Multiple blades, multiple blades are intervally arranged along the circumferential direction of the wheel hub, and the contour edge of the blade includes Successively end to end leading edge, outer rim, trailing edge and blade root, the blade root connect with the wheel hub, in the rotation side of the wheel hub Upwards, the leading edge is located at the front side of the trailing edge, on from the trailing edge to the up-front direction, the outer rim include according to First segment, second segment and the third section of secondary connection, maximum perpendicular between the first segment and the central axis of the wheel hub away from From the minimum perpendicular distance being less than or equal between the second segment and the central axis of the wheel hub, and from the trailing edge to institute It states on up-front direction, the vertical range between the second segment and the central axis of the wheel hub is gradually increased.
2. axial-flow windwheel according to claim 1, which is characterized in that close in arbitrary neighborhood two o'clock on the second segment The more up-front vertical range between the central axis of the wheel hub be greater than close to the trailing edge a little with it is described Vertical range between the central axis of wheel hub.
3. axial-flow windwheel according to claim 1, which is characterized in that on from the trailing edge to the up-front direction, Vertical range between the first segment and the central axis of the wheel hub is gradually increased.
4. axial-flow windwheel according to claim 1, which is characterized in that on from the trailing edge to the up-front direction, Vertical range between the first segment and the central axis of the wheel hub is consistent.
5. axial-flow windwheel according to claim 1, which is characterized in that on from the trailing edge to the up-front direction, Vertical range between the third section and the central axis of the wheel hub is gradually increased.
6. axial-flow windwheel according to claim 1, which is characterized in that on from the trailing edge to the up-front direction, Vertical range between the third section and the central axis of the wheel hub is gradually reduced.
7. axial-flow windwheel according to claim 1, which is characterized in that between the outer rim and the central axis of the wheel hub Maximum normal distance be Dmax, minimum perpendicular distance between the outer rim and the central axis of the wheel hub is Dmin, and Meet: 1.01≤Dmax/Dmin≤1.06.
8. axial-flow windwheel according to claim 1, which is characterized in that at least one of axial ends face of the wheel hub End face is equipped with the reinforcing rib extended along the radial direction of the wheel hub.
9. axial-flow windwheel according to claim 8, which is characterized in that when the end face of axial one end of the wheel hub is equipped with more When a reinforcing rib, the reinforcing rib is divided into multiple groups, and reinforcing rib described in multiple groups and multiple blades correspond, every group of institute The reinforcing rib that reinforcing rib includes identical quantity is stated, and reinforcing rib described in multiple groups is uniformly distributed along the circumferential direction of the wheel hub, when When reinforcing rib described in every group includes multiple reinforcing ribs, multiple reinforcing ribs in every group are uniformly distributed.
10. axial-flow windwheel according to claim 9, which is characterized in that reinforcing rib described in every group includes the reinforcing rib Number is N, and the N meets: 1≤N≤5.
11. axial-flow windwheel according to claim 9, which is characterized in that reinforcing rib described in every group is close to the corresponding leaf At the cooperation of the leading edge of piece and the wheel hub.
12. axial-flow windwheel according to claim 1, which is characterized in that the outer edge in the axial ends face of the wheel hub It is equipped with the baffle with the centerline axis parallel of the wheel hub, the baffle is circularized along the circumferential direction extension of the wheel hub, The free end of the baffle of one end in the axial ends of the wheel hub is equipped with multiple notches, and multiple notches are along the baffle Circumferential direction is spaced apart, and the free end of the baffle of the other end in the axial ends of the wheel hub is matched equipped with multiple with the notch The protrusive board of conjunction.
13. axial-flow windwheel according to claim 12, which is characterized in that the wheel hub is equipped with one end of the notch End face is equipped with multiple positioning bars, and multiple positioning bars and multiple notches correspond, and the positioning bar is located at corresponding The notch inside and the positioning bar height be higher than the notch minimum point.
14. a kind of wind wheel component characterized by comprising
Baffle liner, along the axis direction of the baffle liner, the baffle liner includes straightway and flared section;
Axial-flow windwheel according to claim 1 to 13, the first segment be located in the baffle liner and with it is described Straightway is opposite, and the second segment is located in the baffle liner and opposite with the flared section, and the third section is located at described lead Stream circle is outer.
15. wind wheel component according to claim 14, which is characterized in that the inner peripheral surface of the baffle liner and the outer rim it Between distance be d, the d meets: 4mm≤d≤12mm.
16. wind wheel component according to claim 15, which is characterized in that the d meets: 5mm≤d≤8mm.
17. a kind of air-conditioner outdoor unit, which is characterized in that including wind wheel component described in any one of 4-16 according to claim 1.
18. a kind of air conditioner, which is characterized in that including air-conditioner outdoor unit according to claim 17.
CN201811244129.1A 2018-10-24 2018-10-24 Axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner Pending CN109209996A (en)

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CN112503653A (en) * 2019-09-16 2021-03-16 广东美的环境电器制造有限公司 Fan with cooling device
WO2021128803A1 (en) * 2019-12-27 2021-07-01 依必安派特风机(上海)有限公司 Axial-flow impeller

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CN207740239U (en) * 2018-01-09 2018-08-17 奥克斯空调股份有限公司 A kind of axial-flow leaf and air conditioner
CN208918908U (en) * 2018-10-24 2019-05-31 美的集团股份有限公司 Axial-flow windwheel, wind wheel component, air-conditioner outdoor unit and air conditioner

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JP2010255560A (en) * 2009-04-27 2010-11-11 Sanyo Electric Co Ltd Outdoor unit
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CN112503653A (en) * 2019-09-16 2021-03-16 广东美的环境电器制造有限公司 Fan with cooling device
CN112503653B (en) * 2019-09-16 2022-04-15 广东美的环境电器制造有限公司 Fan with cooling device
WO2021128803A1 (en) * 2019-12-27 2021-07-01 依必安派特风机(上海)有限公司 Axial-flow impeller

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