CN208186649U - Air-ducting ring, air-conditioner outdoor unit and air conditioner - Google Patents

Air-ducting ring, air-conditioner outdoor unit and air conditioner Download PDF

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Publication number
CN208186649U
CN208186649U CN201820675232.0U CN201820675232U CN208186649U CN 208186649 U CN208186649 U CN 208186649U CN 201820675232 U CN201820675232 U CN 201820675232U CN 208186649 U CN208186649 U CN 208186649U
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CN
China
Prior art keywords
air
ducting ring
ring
ducting
front panel
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Active
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CN201820675232.0U
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Chinese (zh)
Inventor
赵紫生
薛玮飞
赵帅
高文栋
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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Priority to CN201820675232.0U priority Critical patent/CN208186649U/en
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Abstract

The utility model discloses a kind of air-ducting ring, air-conditioner outdoor unit and air conditioner, wherein, the air-ducting ring is used for air-conditioner outdoor unit, the air-conditioner outdoor unit includes front panel and axial-flow leaf, air-ducting ring is installed on the front panel, ventilation air duct is formed in the air-ducting ring, the air-ducting ring includes to far from sequentially connected first air-ducting ring in the front panel direction, the second air-ducting ring and third air-ducting ring, first air-ducting ring, second air-ducting ring and third air-ducting ring coaxial arrangement;First air-ducting ring is connected to the front panel towards the surface of the axial-flow leaf, and the cross-sectional area of second air-ducting ring is gradually reduced to far from the front panel direction;The axial-flow leaf passes through the third air-ducting ring and protrudes into second air-ducting ring.Technical solutions of the utility model provide a kind of air-ducting ring, improve the air output of air outlet, reduce the noise of air-conditioner outdoor unit.

Description

Air-ducting ring, air-conditioner outdoor unit and air conditioner
Technical field
The utility model relates to air-conditioning technical field, in particular to a kind of air-ducting ring, air-conditioner outdoor unit and air conditioner.
Background technique
As the improvement of people's living standards, people using air conditioner when, in addition to pursuing good refrigeration and heating Outside effect, also the muting function of air conditioner is put forward new requirements.
The air-ducting ring of air-conditioner outdoor unit is using round air outlet structure, the radial clearance institute of axial-flow leaf and air-ducting ring at present Attainable minimum value is still excessive, and negative pressure is again high, and the two sides generation for being bound to cause blade tip and wind-guiding ring gap is biggish The main reason for air pressure difference, which is axial gas leakage;Gas leakage is drawn back by axial blade again, is arranged to atmosphere, is formd " circulating current ", the function of this fraction is to consume in vain, so making the reduction of axial-flow leaf efficiency, unit time axis stream Fan blade effectively does work reduction so that air-conditioner outdoor unit is difficult to realize good noise reduction effect.
Utility model content
The main purpose of the utility model is to provide a kind of air-ducting ring, improves the air output of air outlet, reduces outside air conditioning chamber The noise of machine.
To achieve the above object, air-ducting ring provided by the utility model, wherein the air-ducting ring is used for air-conditioner outdoor unit, The air-conditioner outdoor unit includes front panel and axial-flow leaf, and the air-ducting ring is installed on the front panel, in the air-ducting ring Ventilation air duct is formed, the air-ducting ring includes to far from sequentially connected first air-ducting ring in the front panel direction, the second wind-guiding Circle and third air-ducting ring, first air-ducting ring, second air-ducting ring and third air-ducting ring coaxial arrangement;It is described First air-ducting ring is connected to the front panel towards the surface of the axial-flow leaf, and the cross-sectional area of second air-ducting ring is to remote It is gradually reduced from the front panel direction;The axial-flow leaf passes through the third air-ducting ring and protrudes into second air-ducting ring.
Preferably, the cross-sectional area of the third air-ducting ring is gradually increased to far from the front panel direction.
Preferably, the side wall of the smallest one end of cross-sectional area of second air-ducting ring to the air-ducting ring central axis away from It is L from the difference at a distance from the side wall of first air-ducting ring to the air-ducting ring central axis, L meets relational expression: 3mm≤L ≤20mm。
Preferably, the length that second air-ducting ring axially extends is H, and H meets relational expression: 5mm≤H≤31mm.
Preferably, the shape for the curved body that the inner wall of second air-ducting ring is surrounded is horn-like or round table-like.
Preferably, second air-ducting ring is made of at least two sections of air guide rings, and the inner wall of any air guide ring is enclosed At curved body shape be it is horn-like or round table-like.
Preferably, second air-ducting ring includes the first air guide ring connecting with first air-ducting ring, with described first Second air guide ring of air guide ring connection, and the third wind-guiding being connected between second air guide ring and the third air-ducting ring Ring, the shape for the curved body that the inner wall of first air guide ring is surrounded are horn-like, the inner wall that second air guide ring is The shape for the curved body that face is surrounded be it is round table-like, the shape of the curved body that the inner wall of the third air guide ring is surrounded is loudspeaker Shape.
Preferably, first air guide ring, second air guide ring, the third air guide ring three inner wall be encircled into Curved surface it is identical around the shape of one week curved surface constituted of center axis rotation of the axial-flow leaf as the axial-flow leaf blade.
Preferably, the 4th air-ducting ring, the 4th wind-guiding are also connected between second air-ducting ring and third air-ducting ring The shape for the curved body that the inner wall of circle is surrounded is cylindric.
The utility model also proposes a kind of air-conditioner outdoor unit, including air-ducting ring, which is used for air-conditioner outdoor unit, The air-conditioner outdoor unit includes front panel and axial-flow leaf, and the air-ducting ring is installed on the front panel, in the air-ducting ring Ventilation air duct is formed, the air-ducting ring includes to far from sequentially connected first air-ducting ring in the front panel direction, the second wind-guiding Circle and third air-ducting ring, first air-ducting ring, second air-ducting ring and third air-ducting ring coaxial arrangement;It is described First air-ducting ring is connected to the front panel towards the surface of the axial-flow leaf, and the cross-sectional area of second air-ducting ring is to remote It is gradually reduced from the front panel direction, the cross-sectional area of the third air-ducting ring gradually increases to far from the front panel direction Greatly;The axial-flow leaf passes through the third air-ducting ring and protrudes into second air-ducting ring;The air-conditioner outdoor unit includes front Plate and axial-flow leaf, offer air outlet on the front panel, and the air-ducting ring is installed on the air outlet, and by the mistake Wind channel is connected to the air outlet.
Preferably, the air-ducting ring and the front panel are integrally formed.
The utility model also proposes a kind of air conditioner, including the air-ducting ring or with the air conditioner external of the air-ducting ring; The air-ducting ring is used for air-conditioner outdoor unit, and the air-conditioner outdoor unit includes front panel and axial-flow leaf, and the air-ducting ring is installed on The front panel, the air-ducting ring is interior to form ventilation air duct, and the air-ducting ring includes successively connecting to far from the front panel direction The first air-ducting ring, the second air-ducting ring and the third air-ducting ring connect, first air-ducting ring, second air-ducting ring and described The coaxial arrangement of third air-ducting ring;First air-ducting ring is connected to the front panel towards the surface of the axial-flow leaf, described The cross-sectional area of second air-ducting ring is gradually reduced to far from the front panel direction;The axial-flow leaf passes through the third wind-guiding It encloses and protrudes into second air-ducting ring.
Technical solutions of the utility model are by being arranged to the first air-ducting ring, the second air-ducting ring and third wind-guiding for air-ducting ring Circle, the first air-ducting ring, the second air-ducting ring and the coaxial arrangement of third air-ducting ring;The cross-sectional area of second air-ducting ring is to far from front Plate direction is gradually reduced, and axial-flow leaf passes through third air-ducting ring and protrudes into the second air-ducting ring;So that the second air-ducting ring and axis The radial clearance for flowing the blade tip of fan blade is reduced, and third air-ducting ring and the radial clearance of axial-flow leaf blade tip also reduce, to reduce The gas content that air-flow is discharged from the second air-ducting ring and the radial clearance of the blade tip of axial-flow leaf, that is, reduce air outlet air quantity Loss, so that the air quantity of air-conditioner outdoor unit air outlet is increased, to reduce the noise of air-conditioner outdoor unit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model air-conditioner outdoor unit preferred embodiment;
Fig. 2 is the assembling schematic diagram of front panel and air-ducting ring;
Fig. 3 be Fig. 2 in air-ducting ring along A-A ' to diagrammatic cross-section.
Drawing reference numeral explanation:
Label Title Label Title
100 Air-ducting ring 200 Air-conditioner outdoor unit
10 Front panel 31 First air-ducting ring
11 Air outlet 33 Third air-ducting ring
32 Second air-ducting ring 35 4th air-ducting ring
321 Third air guide ring 37 5th air-ducting ring
323 Second air guide ring 50 Axial-flow leaf
335 First air guide ring
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model Protection scope within.
The utility model proposes a kind of air-ducting rings 100, and referring to figs. 1 to 3, technical solutions of the utility model propose a kind of wind-guiding Circle 100 is used for air-conditioner outdoor unit 200, and air-conditioner outdoor unit 200 includes front panel 10 and axial-flow leaf 50, and air-ducting ring 100 is installed In forming ventilation air duct in front panel 100, air-ducting ring 100, air-ducting ring 100 includes to sequentially connected far from 10 direction of front panel First air-ducting ring 31, the second air-ducting ring 32 and third air-ducting ring 33, the first air-ducting ring 31, the second air-ducting ring 32 and third are led Solar or lunar halo 33 is coaxially disposed;First air-ducting ring 31 is connected to front panel 10 towards the surface of axial-flow leaf 50, the second air-ducting ring 32 Cross-sectional area is gradually reduced to far from 10 direction of front panel, and axial-flow leaf 50 passes through third air-ducting ring 33 and protrudes into the second air-ducting ring 32。
Technical solutions of the utility model are by being arranged to the first air-ducting ring 31, the second air-ducting ring 32 and for air-ducting ring 100 Three air-ducting rings 33, the first air-ducting ring 31, the second air-ducting ring 32 and third air-ducting ring 33 are coaxially disposed;The cross of second air-ducting ring 32 Sectional area is gradually reduced axial-flow leaf 50 across third air-ducting ring 33 to separate 10 direction of front panel and protrudes into the second air-ducting ring 32; So that the radial clearance of the blade tip of the second air-ducting ring 32 and axial-flow leaf 50 is reduced, to reduce air-flow from the second air-ducting ring 32 and axial-flow leaf 50 blade tip radial clearance discharge gas content, that is, reduce the loss of 11 air quantity of air outlet, thus The air quantity of 200 air outlet 11 of air-conditioner outdoor unit is increased, to reduce the noise of air-conditioner outdoor unit 200.
It should be noted that as shown in Figure 2 to Figure 3, in the present embodiment, the first air-ducting ring 31 is by perpendicular to the first wind-guiding Enclose the area equation in the section that the planes of 31 central axises is cut, the second air-ducting ring 32 by perpendicular to 32 central axis of the second air-ducting ring The area in section that cuts of plane be gradually reduced to far from 10 direction of front panel, third air-ducting ring 33 is by perpendicular to the second wind-guiding The area for enclosing the section that the planes of 32 central axises is cut is gradually increased to far from 10 direction of front panel.So set, making second Air-ducting ring 32 and third air-ducting ring 33 form the ventilation air duct of convergence expansion shape, can effectively inhibit the diverging of air-flow, and second The radial clearance of the blade tip of air-ducting ring 32 and axial-flow leaf 50 is reduced, due to be at the horizontal junction product of the minimum of the second air-ducting ring 32 with It is connected at the cross-sectional area of second air-ducting ring 32, therefore, the radial direction of third air-ducting ring 33 and 50 blade tip of axial-flow leaf Gap also reduces therewith, i.e. third air-ducting ring 33 and the radial clearance ratio of 50 blade tip of axial-flow leaf directly connects third air-ducting ring 33 Third air-ducting ring 33 and the radial clearance of 50 blade tip of axial-flow leaf want small when being connected to the first air-ducting ring 31, to not only to reduce The gas flow that air-flow is discharged from the second air-ducting ring 32 and the radial clearance of the blade tip of axial-flow leaf 50, and also reduce air-flow Throughput discharged in radial clearance from third air-ducting ring 33 with 50 blade tip of axial-flow leaf, that is, reduce 11 air quantity of air outlet Loss, so that the air quantity of 200 air outlet 11 of air-conditioner outdoor unit is increased, to reduce the noise of air-conditioner outdoor unit 200, separately Outside, by be provided with the first air-ducting ring 31 can make discharge air-flow speed reduce, thus reduce air-conditioner outdoor unit 200 by To the impact force of air-flow, to further decrease noise.
It is noted that as shown in Figure 2 to Figure 3, it in the specific application process, can also be in the first air-ducting ring 31 with before 5th air-ducting ring 37 is set between panel 10, and the cross-sectional area of the 5th air-ducting ring 37 is gradually reduced to far from 10 direction of front panel; It can be used as expanding channel by the 5th air-ducting ring 37, the speed of air-flow can be further decreased, to reduce air-flow and lead Frictional force between solar or lunar halo 100 effectively reduces the eddy current loss in air-ducting ring 100, while further decreasing noise.Separately Outside, fillet can be set by the junction of the 5th air-ducting ring 37 and front panel 10, by round-corner transition, is further reduced outlet air The loss of amount, to reach better noise reduction effect.
Preferably, as shown in figure 3, the side wall of the smallest one end of cross-sectional area of the second air-ducting ring 32 is into air-ducting ring 100 Difference at a distance from the side wall of the distance of mandrel and the first air-ducting ring 31 to 100 central axis of air-ducting ring is L, and L meets relational expression: 3mm ≤L≤20mm.That is the maximum value that the second air-ducting ring 32 is recessed to the direction far from the first air-ducting ring 31 is L, and L meets relational expression: 3mm≤L≤20mm;If crossing senior general still such that air-flow is from 50 blade tip of the second air-ducting ring 32 and axial-flow leaf for what L value was arranged Gap location outflow, so that the loss of air quantity is caused, so that the effect of noise reduction be not achieved;But if L value is arranged too small The bounce of 50 blade tip of axial-flow leaf will be caused to encounter air-ducting ring 100, so that 50 blade tip of axial-flow leaf and 100 inner wall of air-ducting ring Frictional vibration causes part to be damaged, so that the normal work of air-conditioner outdoor unit 200 is influenced, in addition, the setting of L value is too small, Noise can be made bigger since air-flow suddenly changes wind direction;Therefore, comprehensively consider best air quantity and optimal noise reduction effect, it will L is arranged to: 3mm≤L≤50mm.
In addition, H meets relational expression as shown in figure 3, the length that the second air-ducting ring 32 axially extends is H: 5mm≤H≤ 31mm.If the too small meeting that H value is arranged is so that the windage loss amount of 100 reductions of air-ducting ring is still seldom, to will cause Even if the radial clearance setting between the second air-ducting ring 32 and axial-flow leaf 50 in reasonable value range, can be with lesser flow from the The air quantity flowed out in gap between two air-ducting rings 32 and axial-flow leaf 50, but since the length of the second air-ducting ring 32 is too small still It may so be not achieved and avoid wind loss, the effect of noise reduction, but if the excessive of H setting be will lead into air-ducting ring 100 It will be sheathed on entire axial-flow leaf 50, so that reaching the air-flow on axial-flow leaf 50 from air-ducting ring 100 will be reduced, air quantity is instead It reduces, so that good noise reduction effect be not achieved;Therefore, comprehensively consider best air quantity and optimal noise reduction effect, H is arranged At: 5mm≤H≤31mm.
Specifically, as shown in figure 3, in the present embodiment, the song that the inner wall of the second air-ducting ring 32 can be surrounded The shape of face body is that the inner wall of horn-like perhaps round table-like i.e. the first air-ducting ring 32 is straight line or camber line around the first air-ducting ring 32 one week curved surface surrounded of center axis rotation.In the present embodiment, the song inner wall of the second air-ducting ring 32 surrounded The shape of face body be it is horn-like, the cross-sectional area of the second air-ducting ring 32 is gradually reduced to far from 10 direction of front panel, so that second The inner wall of air-ducting ring 32 is tilted towards axial-flow leaf 50, can be further decreased between third air-ducting ring 33 and axial-flow leaf 50 Radial clearance, thus further air output loss, to reach better noise reduction effect.
In addition, the second air-ducting ring 32 is also possible to be made of at least two sections of air guide rings, the inner wall of any air guide ring is enclosed At curved body shape be it is horn-like or round table-like.Technical staff can select the second air-ducting ring 32 according to the actual situation The configuration of shape and air flue, it is only necessary to reach good noise reduction effect, details are not described herein.
Specifically, as shown in figure 3, in the present embodiment, the second air-ducting ring 32 is made of three sections of air guide rings, including with First air guide ring 325 of one air-ducting ring 31 connection, the second air guide ring 323 being connect with the first air guide ring 325, and it is connected to the Third air guide ring 321 between two air guide rings 323 and third air-ducting ring 33, the song that the inner wall of the first air guide ring 325 is surrounded The shape of face body be it is horn-like, i.e., the inner wall of the first air guide ring 325 is camber line around one week institute of center axis rotation of air-ducting ring 100 The curved surface surrounded, the shape for the curved body that the inner wall that the second air guide ring 323 is is surrounded are round table-like, i.e. the second air guide ring 323 inner wall is the oblique line in a certain angle with the central axis of air-ducting ring 100 around one week institute of center axis rotation of air-ducting ring 100 The curved surface surrounded, the shape of the curved body that the inner wall of third air guide ring 321 is surrounded are horn-like, i.e. third air guide ring 321 Inner wall by camber line around one week curved surface surrounded of center axis rotation of air-ducting ring 100.So set, making the first air-ducting ring 31 and second air-ducting ring 32, it is all smooth transition between the second air-ducting ring 32 and third air-ducting ring 33, to avoid air-flow prominent So change direction and be trapped at turning point, avoids air velocity at turning point by biggish frictional force, i.e., further The loss for reducing air quantity, plays good noise reduction effect, in addition, being arranged between the first air guide ring 325 and third air guide ring 321 Have the second air guide ring 323, the shape for the curved body that the inner wall that the second air guide ring 323 is is surrounded by inner wall be it is round table-like, It is vortexed so as to avoid the first air guide ring 325 and third air guide ring 321 from being formed later, avoids that friction layer separation occurs, It is further reduced the loss of air quantity, plays good noise reduction effect.
Preferably, 50 blade of axial-flow leaf is led around one week curved surface constituted of center axis rotation of axial-flow leaf 50 with first Vane 325, the second air guide ring 323, the shape of curved surface that the inner wall of 321 three of third air guide ring is encircled into are identical.So set It sets, the radial clearance of air-ducting ring 100 Yu axial-flow leaf 50 can be reduced to the greatest extent, reduce the damage of air quantity to the greatest extent It loses, to reach best noise reduction effect.
In addition, the shape that the inner wall of third air-ducting ring 33 is also possible to surrounded curved body is horn-like or rotary table Shape, and in the present embodiment, the curved body that the inner wall of third air-ducting ring 33 is surrounded is shaped to it is round table-like so that Third air-ducting ring 33 is divergent contour air duct, is the movement that air-flow generates a whirlpool, and a part of boundary-layer is made to pass through import Both ends flow direction outflow area, air-flow and third air-ducting ring 33 can be made after boundary-layer separation by playing a part of boundary-layer separator Inner wall between frictional force reduce, while gas vorticity reduce, thus have the function that reduce by 200 noise of air-conditioner outdoor unit.
Further, by connecting the 4th air-ducting ring 35 between the second air-ducting ring 32 and third air-ducting ring 33, the 4th is led The shape for the curved body that the inner wall of solar or lunar halo 35 is surrounded is cylindric.It is possible, firstly, to by adjusting the length of the 4th air-ducting ring 35 It spends to adjust the overall length of air-ducting ring 100;Secondly, facilitating the processing and fabricating of entire air-ducting ring 100;Finally, can make air-flow can With smooth transition, to further decrease noise.
It should be noted that in the present embodiment, air-ducting ring 100 and front panel 10 are integrally formed, thus prevent air from It is flowed out in gap between air-ducting ring and front panel 10, to cause the loss of air quantity.Furthermore it is possible to simplify air-conditioner outdoor unit The step of 200 installation, improves the assembly efficiency of air-conditioner outdoor unit 200.Certainly, technical staff can also according to actual needs by Air-ducting ring 100 and front panel 10 are set as the structure being detachably connected, and details are not described herein.
Preferably, it is offered in air-ducting ring 100 to by the sky outside 100 interior air-flow channel of air-ducting ring and air-ducting ring 100 Between several ports for being connected.It is formed due to being provided with multiple ports in air-ducting ring 100, and with the accommodating chamber of air-conditioner outdoor unit 200 As soon as the cavity of opposing seal, this forms a resonator.When intrinsic frequency of the frequency of incident acoustic wave close to resonator, The air column in port aperture can generate judder, in vibration processes, due to overcoming frictional resistance and sound energy consumption, to rise To the effect of noise elimination.
Specifically, the port of air-ducting ring 100 is circular hole or elliptical aperture or the hole with irregular bore edges.Technology people Member can select the shape of 100 port of air-ducting ring according to the actual situation, it is only necessary to reach good noise reduction effect, herein not It repeats again.
The utility model also proposes a kind of air-conditioner outdoor unit 200, which includes air-ducting ring 100, the wind-guiding The specific structure of circle 100 is referring to above-described embodiment, since this air-conditioner outdoor unit 200 uses whole skills of above-mentioned all embodiments Art scheme, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, this is no longer going to repeat them.
The utility model also proposes a kind of air conditioner, which includes air-ducting ring 100 or air-conditioner outdoor unit 200, this is led The specific structure of solar or lunar halo 100 and air-conditioner outdoor unit 200 is referring to above-described embodiment, since this air conditioner uses above-mentioned all implementations Whole technical solutions of example, therefore at least all beneficial effects brought by the technical solution with above-described embodiment, herein not It repeats one by one again.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (12)

1. a kind of air-ducting ring is used for air-conditioner outdoor unit, the air-conditioner outdoor unit includes front panel and axial-flow leaf, the wind-guiding Circle is installed on the front panel, forms ventilation air duct in the air-ducting ring, which is characterized in that the air-ducting ring includes to far from institute State sequentially connected first air-ducting ring in front panel direction, the second air-ducting ring and third air-ducting ring, it is first air-ducting ring, described Second air-ducting ring and third air-ducting ring coaxial arrangement;First air-ducting ring is connected to the front panel towards the axis The surface of fan blade is flowed, the cross-sectional area of second air-ducting ring is gradually reduced to far from the front panel direction;The axis stream wind Leaf passes through the third air-ducting ring and protrudes into second air-ducting ring.
2. air-ducting ring as described in claim 1, which is characterized in that the cross-sectional area of the third air-ducting ring is to far from before described Panel direction is gradually increased.
3. air-ducting ring as claimed in claim 2, which is characterized in that the smallest one end of cross-sectional area of second air-ducting ring Side wall to the air-ducting ring central axis distance at a distance from the side wall to the air-ducting ring central axis of first air-ducting ring Difference is L, and L meets relational expression: 3mm≤L≤20mm.
4. air-ducting ring as claimed in claim 3, which is characterized in that the length that second air-ducting ring axially extends is H, H Meet relational expression: 5mm≤H≤31mm.
5. the air-ducting ring as described in Claims 1-4 any one, which is characterized in that the inner wall institute of second air-ducting ring The shape of the curved body surrounded is horn-like or round table-like.
6. air-ducting ring as claimed in claim 5, which is characterized in that second air-ducting ring is made of at least two sections of air guide rings, The shape for the curved body that the inner wall of any air guide ring is surrounded is horn-like or round table-like.
7. air-ducting ring as claimed in claim 6, which is characterized in that second air-ducting ring includes connecting with first air-ducting ring The first air guide ring connect, the second air guide ring being connect with first air guide ring, and it is connected to second air guide ring and institute The third air guide ring between third air-ducting ring is stated, the shape for the curved body that the inner wall of first air guide ring is surrounded is loudspeaker Shape, the shape for the curved body that the inner wall that second air guide ring is is surrounded are round table-like, the inner wall of the third air guide ring The shape for the curved body that face is surrounded is horn-like.
8. air-ducting ring as claimed in claim 7, which is characterized in that first air guide ring, second air guide ring, described Center axis rotation of the curved surface and the axial-flow leaf blade that the inner wall of three air guide ring threes is encircled into around the axial-flow leaf The shape of one week curved surface constituted is identical.
9. air-ducting ring as described in claim 1, which is characterized in that be also connected between second air-ducting ring and third air-ducting ring There is the 4th air-ducting ring, the shape for the curved body that the inner wall of the 4th air-ducting ring is surrounded is cylindric.
10. a kind of air-conditioner outdoor unit, which is characterized in that including air-ducting ring as described in any one of claim 1 to 9, the sky Adjusting outdoor unit includes front panel and axial-flow leaf, and air outlet is offered on the front panel, and the air-ducting ring is installed on described Air outlet, and the ventilation air duct is connected to the air outlet.
11. air-conditioner outdoor unit as claimed in claim 10, which is characterized in that the air-ducting ring and front panel one at Type.
12. a kind of air conditioner, which is characterized in that the air conditioner includes wind-guiding as in one of claimed in any of claims 1 to 9 Circle;Or, the air conditioner includes air-conditioner outdoor unit as described in claim 10 or 11.
CN201820675232.0U 2018-05-04 2018-05-04 Air-ducting ring, air-conditioner outdoor unit and air conditioner Active CN208186649U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507043A (en) * 2018-05-04 2018-09-07 广东美的制冷设备有限公司 Air-ducting ring, air-conditioner outdoor unit and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108507043A (en) * 2018-05-04 2018-09-07 广东美的制冷设备有限公司 Air-ducting ring, air-conditioner outdoor unit and air conditioner
CN108507043B (en) * 2018-05-04 2024-04-26 广东美的制冷设备有限公司 Air guide ring, air conditioner outdoor unit and air conditioner

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