CN207879693U - Axial-flow windwheel and air conditioner - Google Patents
Axial-flow windwheel and air conditioner Download PDFInfo
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- CN207879693U CN207879693U CN201820221981.6U CN201820221981U CN207879693U CN 207879693 U CN207879693 U CN 207879693U CN 201820221981 U CN201820221981 U CN 201820221981U CN 207879693 U CN207879693 U CN 207879693U
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Abstract
The utility model discloses a kind of axial-flow windwheel and air conditioner, the axial-flow windwheel includes wheel hub and first group of fan blade on the wheel hub and second group of fan blade, first group of fan blade includes multiple short fan blades, second group of fan blade includes multiple long fan blades, and the multiple long fan blade is arranged with the multiple short fan blade alternate intervals；The axial-flow windwheel further includes third group fan blade, the third group fan blade includes multiple collection fan blades extended along the axial-flow windwheel direction of rotation, each collection fan blade is located between the long fan blade on front side of the short fan blade and the neighbouring short fan blade, and the collection fan blade connects the air intake surface of the outer leaf margin and the long fan blade of the short fan blade.The axial-flow windwheel of the utility model can reduce the air quantity along the axial-flow windwheel Radial Flow, to increase the axial-feeding-air amount of the axial-flow windwheel, and then reduce the power of the axial-flow windwheel, reduce energy consumption.
Description
Technical field
The utility model is related to air conditioner technical field, more particularly to a kind of axial-flow windwheel and air conditioner.
Background technology
Axial-flow windwheel, which is commonly used in, serves as compound ventilation air-changing device use in household electrical appliance or air conditioner.Axial-flow windwheel works
When, drive the air in its circumferential direction to rotate to form air-flow, and the air-flow is driven to be blown out along the axial direction of axial-flow windwheel.Currently on the market
There is axial-flow windwheel a kind of while that there is long fan blade and short fan blade, the draft capacity of this axial-flow windwheel is stronger, still, at this
In the axial-flow windwheel course of work, fraction can easily be formed leaf top aerial drainage whirlpool, cause larger wind along short fan blade Radial Flow
Amount loss.
Utility model content
The main purpose of the utility model is to propose a kind of axial-flow windwheel, it is intended to can be reduced along axial-flow windwheel radial direction
The air quantity of flowing to increase the axial-feeding-air amount of the axial-flow windwheel, and then reduces the power of the axial-flow windwheel, reduces energy consumption.
To achieve the above object, the utility model proposes a kind of axial-flow windwheel and include the axial-flow windwheel air-conditioning
Device, the axial-flow windwheel include wheel hub and first group of fan blade on the wheel hub and second group of fan blade, first group of wind
Leaf includes multiple short fan blades, and second group of fan blade includes multiple long fan blades, the multiple long fan blade and the multiple short fan blade
Alternate intervals are arranged；The axial-flow windwheel further includes third group fan blade, and the third group fan blade includes multiple along the axis stream wind
The collection fan blade that direction of rotation extends is taken turns, each collection fan blade is located at the long fan blade on front side of the short fan blade and the neighbouring short fan blade
Between, the both ends of the collection fan blade are separately connected the blade face of the outer leaf margin and the long fan blade of the short fan blade.
Preferably, the blade face of the collection fan blade is arranged in tabular；Alternatively, the blade face of the collection fan blade is along axial-flow windwheel diameter
To the convex arc shaped setting in outside projection.
Preferably, the collection fan blade has the first Ji Fengbi being connect with the long fan blade, the first collection wind wall place
All radiuses are R1, radius of a circle where the outer leaf margin of the long fan blade is R2, R1∈[0.4R2, 0.8R2]。
Preferably, the arc length of first Ji Fengbi is L1, the long fan blade has is in same with first Ji Fengbi
The arc length of segmental arc on one circumference, the segmental arc is L2, L1∈[0.5L2, 0.8L2]。
Preferably, the height of first Ji Fengbi is in be gradually reduced setting from back to front；First Ji Fengbi has
Towards the first top edge of the axial-flow windwheel inlet side, the front end of the first top edge and the air intake surface of the long fan blade are flat
Slip.
Preferably, first Ji Fengbi has the first bottom leaf edge being connect with the long fan blade, first Ji Fengbi
One end of the neighbouring first bottom leaf edge is arranged in concave arc shape.
Preferably, the thickness of first Ji Fengbi is in be gradually reduced setting from back to front.
Preferably, the collection fan blade has and is protruded towards the axial-flow windwheel air side and connect the short fan blade and institute
The second Ji Fengbi of the first Ji Fengbi is stated, the height of second Ji Fengbi is in be gradually reduced setting from front to back.
Preferably, the internal face of first Ji Fengbi is α, α ∈ with the blade face angulation of corresponding long fan blade
[90 °, 130 °].
The technical solution of the utility model, by the way that first group of fan blade and second group of fan blade are arranged on the axial-flow windwheel,
To coordinate rotation simultaneously using first group of fan blade and second group of fan blade, can by air flow collection along the axial direction of the axial-flow windwheel
To outdoor blowout, increase the axial-feeding-air amount of the axial-flow windwheel.And third group fan blade, the third are set on the wheel hub
Each collection fan blade of group fan blade connects adjacent short fan blade and long fan blade, to be intercepted along the short fan blade diameter by the collection fan blade
To the air-flow of flowing, this fraction will carry over the extending direction rotational flow of the collection fan blade, avoid it in the outer of short fan blade
Leaf margin forms leaf top aerial drainage whirlpool, reduces the generation of the aerodynamic noise of windage loss.Finally, this fraction is concentrated on by the collection fan blade
Region is enclosed in the axial-flow windwheel concentrates submitting.It can be seen that the axial-flow windwheel of the utility model, can not only reduce and make an uproar
Sound, and increase the air output of the axial-flow windwheel, extend air supplying distance.
Furthermore since each collection fan blade connects adjacent long fan blade and short fan blade so that this connected long fan blade, short fan blade
And the collection triangle location structure of fan blade three, it can so reinforce the stability of three kinds of fan blades of the axial-flow windwheel.Institute
During stating axial-flow windwheel work, this three kinds of fan blades are less prone to that chatter occurs under Action of Wind pressure power, reach and more preferably drop
It makes an uproar effect.
Description of the drawings
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 one embodiment of the utility model axial-flow windwheel；
Fig. 2 is the structural schematic diagram at another visual angle of Fig. 1 Axial-Flow wind wheels；
Fig. 3 is the structural schematic diagram of the air intake of Fig. 2 Axial-Flow wind wheels；
Fig. 4 is the structural schematic diagram of the outlet air end of Fig. 2 Axial-Flow wind wheels；
Fig. 5 is the part-structure schematic diagram of Fig. 2 Axial-Flow wind wheels；
Fig. 6 is the side view of Fig. 2 Axial-Flow wind wheels；
Fig. 7 is the side view at A in Fig. 6.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Wheel hub | 410 | First Ji Fengbi |
| 200 | Short fan blade | 41a | First top edge |
| 300 | Long fan blade | 41b | First bottom leaf edge |
| 310 | Interior leaf portion | 420 | Second Ji Fengbi |
| 320 | Outer leaf portion | 42a | Second top edge |
| 400 | Collect fan blade |
The utility model aim is realized, the embodiments will be further described with reference to the accompanying drawings for functional characteristics and advantage.
Specific implementation mode
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
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in the picture)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, will be understood that this technical side when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection domain of the requires of the utility model.
A kind of axial-flow windwheel of the utility model offer and air conditioner, the axial-flow windwheel can reduce along the axial-flow windwheel
The air quantity of Radial Flow to increase the axial-feeding-air amount of the axial-flow windwheel, and then reduces the power of the axial-flow windwheel, reduces energy
Consumption.In the present embodiment, which is installed in air conditioner, and the air conditioner can be window air conditioner, split type sky
Adjust device or cabinet air conditioner.Wherein, if the air conditioner is window air conditioner, the axial-flow windwheel is set to the window air conditioner
The outside of device；If the air conditioner is split air conditioner, the axial-flow windwheel is set to the outdoor of the split air conditioner
Machine.Certainly, in other embodiments, which can also be in fan, wind turbine.
It please refers to Fig.1 and Fig. 2, in an embodiment of the utility model axial-flow windwheel, the axial-flow windwheel includes wheel hub
100 and first group of fan blade on wheel hub 100 and second group of fan blade, first group of fan blade include multiple short fan blades 200, institute
It includes multiple long fan blades 300 to state second group of fan blade, and the multiple long fan blade 300 is set with the multiple 200 alternate intervals of short fan blade
It sets；The axial-flow windwheel further includes third group fan blade, and the third group fan blade includes multiple along the axial-flow windwheel direction of rotation
The collection fan blade 400 of extension, each collection fan blade 400 be located at the long fan blade 300 on front side of short fan blade 200 and the neighbouring short fan blade 200 it
Between, the both ends of collection fan blade 400 are separately connected the blade face of the outer leaf margin and the long fan blade 300 of the short fan blade 200.
Specifically, the quantity of the long fan blade 300 of the axial-flow windwheel, short fan blade 200 and collection fan blade 400 is identical, each length
Outer shroud Zhou Yici alternate intervals of the fan blade 300 with each short fan blade 200 along wheel hub 100 are arranged, and each collection fan blade 400 connects adjacent
Short fan blade 200 and long fan blade 300, the rear end of the collection fan blade 400 are connect with the outer leaf margin of short fan blade 200, and the collection fan blade 400
Front end extends forwardly on the air intake surface of the long fan blade 300 of neighbouring 200 front side of short fan blade, and with the air inlet of the long fan blade 300
Face connects.Herein it should be noted that for long fan blade 300, the radius of circumference where the outer leaf margin of the short fan blade 200,
Less than radius of a circle where the outer leaf margin of long fan blade 300, the radius of a circle should be the equivalent redius of corresponding circle.
Fig. 3 and Fig. 4 are please referred to, wheel hub 100 with driving motor (not shown) to connect, to work in the axial-flow windwheel
When, wheel hub 100 is driven by the driving motor and is rotated, to drive this three groups of fan blade rotations.Wherein, first group of fan blade drives
Flow rotation is enclosed in closer wheel hub 100, and this fraction is concentrated along the central axial blowout of the axial-flow windwheel；Described
Two groups of fan blades drive the peripheral air stream further away from wheel hub 100 to rotate, and this fraction is concentrated along the periphery of the axial-flow windwheel
Axial blowout.Obviously, first group of fan blade and second group of fan blade coordinate rotation simultaneously, can by air flow collection along the axis stream wind
Wheel it is axial to outdoor blowout.
In above-mentioned two groups of fan blade rotary courses, fraction along short fan blade 200 Radial Flow, and from the short fan blade
200 suction surface flows to pressure face, when outer leaf margin of this fraction through too short fan blade 200, by the interception of collection fan blade 400
The extending direction rotational flow for carrying over collection fan blade 400, to avoid this fraction from forming leaf top in the outer leaf margin of short fan blade 200
Aerial drainage whirlpool.It can be seen that the third group fan blade effectively prevents air-flow forms leaf top aerial drainage whirlpool in 200 outer leaf margin of short fan blade,
On the one hand the draft capacity of the axial-flow windwheel is increased, and then increases the air output of the axial-flow windwheel, extends air supplying distance；Separately
On the one hand the generation for reducing aerodynamic noise, effectively reduces the noise of the axial-flow windwheel.
The technical solution of the utility model, by the way that first group of fan blade and second group of fan blade are arranged on the axial-flow windwheel,
To coordinate rotation simultaneously using first group of fan blade and second group of fan blade, can by air flow collection along the axial direction of the axial-flow windwheel
To outdoor blowout, increase the axial-feeding-air amount of the axial-flow windwheel.And third group fan blade, the third are set on wheel hub 100
Each collection fan blade 400 of group fan blade connects adjacent short fan blade 200 and long fan blade 300, to be intercepted along short wind by collecting fan blade 400
The air-flow of 200 Radial Flow of leaf, this fraction will carry over the extending direction rotational flow of collection fan blade 400, avoid it in short wind
The outer leaf margin of leaf 200 forms leaf top aerial drainage whirlpool, reduces the generation of the aerodynamic noise of windage loss.Finally, this fraction is by collection fan blade
Concentrate submitting in the 400 interior regions of enclosing for concentrating on the axial-flow windwheel.It can be seen that the axial-flow windwheel of the utility model, it can not only
Noise is enough reduced, and increases the air output of the axial-flow windwheel, extends air supplying distance.
Furthermore since each collection fan blade 400 connects adjacent long fan blade 300 and short fan blade 200 so that this connected long wind
Leaf 300, short fan blade 200 and the collection triangle location structure of 400 three of fan blade, can so reinforce three kinds of the axial-flow windwheel
The stability of fan blade.During the axial-flow windwheel works, this three kinds of fan blades are less prone to occur under Action of Wind pressure power
Chatter reaches more preferably noise reduction.
The technique effect that axial-flow windwheel to verify the utility model is reached, in identical fan blade quantity and working condition
Under, the utility model axial-flow windwheel and conventional axial-flow windwheel are tested respectively, data measured is as follows：
The conventional axial-flow windwheel of table 1., the parameter measured
| Rotating speed (r/min) | Air quantity (m3/h) | Power (w) | Noise (dB) |
| 850 | 4270 | 132.3 | 59.4 |
| 800 | 4013 | 109.5 | 57.1 |
| 750 | 3747 | 92.8 | 55.3 |
| 700 | 3495 | 74.9 | 53.8 |
| 650 | 3262 | 55.3 | 51.9 |
The axial-flow windwheel of table 2-1. the utility model, the parameter measured
| Rotating speed (r/min) | Air quantity (m3/h) | Power (w) | Noise (dB) |
| 850 | 4486 | 140.6 | 58.2 |
| 800 | 4223 | 118.1 | 56.3 |
| 750 | 3959 | 100.9 | 53.4 |
| 700 | 3710 | 82.7 | 52.5 |
| 650 | 3469 | 63.2 | 50.9 |
According to 2 data measured of above-mentioned table 1 and table, under the conditions of same rotational speed, for conventional axial-flow windwheel, this reality
Increase nearly 213m with the air quantity of novel axial-flow windwheel3/ h, the nearly 1.2dB of lower noise, and its power is increased less than 8w.Obviously,
While the axial-flow windwheel of the utility model can obtain larger air quantity, power is unlikely to excessive.
It is the noise reduction to the axial-flow windwheel of enhancing collection fan blade 400 referring to Fig. 2, being based on above-described embodiment, it is excellent
Selection of land, the blade face for collecting fan blade 400 are arranged along the radial direction of axial-flow windwheel in the convex arc shaped of outside projection.Herein it should be noted that originally
It is interior with 100 center of wheel hub in embodiment, the radial direction of the axial-flow windwheel is introversion and extroversion.
When along the air flow direction collection fan blade 400 of 200 Radial Flow of short fan blade, this fraction instantaneous velocity is larger, directly
It connects impact and easy tos produce larger noise on collection fan blade 400.Therefore it is to be set in convex recessed outward by collecting fan blade 400
It sets, using this so that integrating the blade face of fan blade 400 as convex globoidal, in the air flow direction collection fan blade along 200 Radial Flow of short fan blade
When 400, this fraction carries over the convex globoidal arc line shaped flowing of collection fan blade 400, and the convex globoidal of the collection fan blade 400 is to this part gas
Stream plays preferable cushioning effect, to avoid generating gas shock noise, reaches stronger noise reduction.And so set,
It also helps by collecting fan blade 400, this fraction is concentrated in the axial-flow windwheel and encloses region concentration submitting.
Certainly, in other embodiments, collection fan blade 400 can also be in that tabular is arranged.Specifically, collection fan blade 400 is in
The tabular of strip is arranged, and the both ends of collection fan blade 400 are separately connected the outer leaf margin and the long fan blade 300 of the short fan blade 200
On air intake surface.
Fig. 2 and Fig. 3 are please referred to, above-described embodiment is based on, it is contemplated that when the axial-flow windwheel work, also there is fraction edge
The Radial Flow of long fan blade 300 causes part wind loss, therefore, is intercepted using collection fan blade 400 radial along long fan blade 300
The air-flow of flowing.Preferably, collection fan blade 400 has the first collection wind wall 410 being connect with long fan blade 300,410 institute of the first collection wind wall
It is R in all radiuses1, radius of a circle where the outer leaf margin of long fan blade 300 is R2, R1∈[0.4R2, 0.8R2].It should illustrate herein
Be, in the present embodiment and following embodiment, defined by technical characteristic numeric dimensions it is horizontal positioned with the axial-flow windwheel
When, which corresponds to the size of projection gained in the horizontal plane.
Specifically, the first collection wind wall 410 will be divided into 320 two parts of internal lobe portion 310 and outer leaf portion between long fan blade 300, in
The air-flow that the interior leaf portion 310 radially flows is intercepted by the first collection wind wall 410, and along the extending direction of the first collection wind wall 410
Air-flow is concentrated in the axial-flow windwheel and encloses region concentration blowout by rotational flow；And pass through the air-flow of outer leaf portion 320 then
Along the circumferential flow of the axial-flow windwheel, the peripheral region for coming together in the axial-flow windwheel concentrates blowout.Coordinated with this, it can be significantly
The wind loss of long fan blade 300 in the radial direction is reduced, the air quantity of the axial-flow windwheel is increased.Therefore, the R1It should not mistake
It is small, if R1Less than 0.4R2, then 310 radical length of interior leaf portion of long fan blade 300 is shorter, and its 320 radical length of outer leaf portion is longer,
Air-flow is relatively easy to, in the radially aerial drainage of outer leaf portion 320, cause wind loss.The R1Also it should not be too large, if R1Close to R2When,
The air quantity of outer leaf portion 320 is less, and the air quantity of the axial-flow windwheel periphery is caused to reduce.
To verify above-mentioned R1∈[0.4R2, 0.8R2] to the effect of the axial-flow windwheel, in the test experiments of above-described embodiment
On the basis of, under the conditions of being 750r/min based on rotating speed, further the axial-flow windwheel is tested, test data is as follows：
Table 2-2. the utility model axial-flow windwheels, the parameter measured
| R1/R2 | Air quantity (m3/h) | Power (w) | Noise (dB) |
| 0.2 | 3780 | 94.5 | 55.8 |
| 0.4 | 3893 | 97.5 | 53.7 |
| 0.6 | 3961 | 100.9 | 53.2 |
| 0.8 | 3925 | 98.7 | 53.5 |
| 1.0 | 3795 | 95.0 | 55.1 |
It can be analyzed and be obtained by above-mentioned Tables 1 and 2-2, under 750r/min rotating speeds, R1/R2It is maintained in 0.4~0.8 range
When (R1∈[0.4R2, 0.8R2]), for the axial-flow windwheel for conventional axial-flow windwheel, air quantity increases 146m3/ h~
214m3/ h, noise decline 1.6dB~2.3dB, its power remains at reduced levels at this time；Especially R1/R2It is maintained at 0.6~
When 0.8, the air quantity which obtains is maximum.And work as R1/R2When dropping to 0.2 from 0.4 or R1/R2Increase drop from 0.8
When to 1.0, the air quantity of the axial-flow windwheel reduces rapidly, and draft capacity weakens significantly.It can be seen that R1/R2One should be maintained at
Determine in range, just can ensure that the axial-flow windwheel obtains larger air quantity, while ensuring that its noise is maintained at the level of telling somebody what one's real intentions are.
As for the R2Size, then be respective design, the R according to the axial-flow windwheel of same specification1With R2Actual size
Do respective design.If for example, R2For 150mm, then R1For 60mm~120mm；If R2Be 200, then R1For 80mm~160mm；If R2
For 250mm when, then R1For 100mm~200mm；If R2For 250mm, then R1For 100mm~200mm.
Fig. 2, Fig. 3 and Fig. 5 are please referred to, above-described embodiment is based on, to ensure that the first collection wind wall 410 can effectively be intercepted along length
The front end of first collection wind wall 410 can be extended to the preceding leaf margin for being closer to long fan blade 300 by the air-flow of 300 Radial Flow of fan blade
Position.Preferably, first integrates the arc length of wind wall 410 as L1, long fan blade 300 has collects the arc that wind wall 410 connects for first
The arc length in portion, the curved portion is L2, L1∈[0.5L2, 0.8L2]。
Specifically, it is clear that the L1It is unsuitable too small, if the L1Less than 0.5L2, then first collects the arc length of wind wall 410 (i.e.
It is equivalent to development length of the first collection wind wall 410 on long fan blade 300) it is shorter, deficiency intercepts the Radial Flow along long fan blade 300
Air-flow, collect wind effect unobvious.The theoretically L1It increases to and L2When equal, the collection wind effect of the first collection wind wall 410 is most
It is good, but the resistance of air-flow flowing is also increased simultaneously, cause wind energy to lose, therefore preferred L herein1Less than or equal to 0.8L2。
To verify above-mentioned L1∈[0.3L2, 0.8L2] to the effect of the axial-flow windwheel, in the test experiments of above-described embodiment
On the basis of, under the conditions of being 750r/min based on rotating speed, further the axial-flow windwheel is tested, test data is as follows：
Table 2-3. the utility model axial-flow windwheels, the parameter measured
| L1/L2 | Air quantity (m3/h) | Power (w) | Noise (dB) |
| 0.1 | 3778 | 94.5 | 55.8 |
| 0.3 | 3893 | 97.5 | 54.2 |
| 0.4 | 3961 | 100.9 | 53.5 |
| 0.6 | 3925 | 98.7 | 53.4 |
| 0.8 | 3865 | 96.3 | 53.7 |
| 1.0 | 3797 | 95.3 | 55.5 |
It can be analyzed and be obtained by above-mentioned Tables 1 and 2-3, under 750r/min rotating speeds, L1/L2It is maintained in 0.3~0.8 range
When (L1∈[0.3L2, 0.8L2]), for the axial-flow windwheel for conventional axial-flow windwheel, air quantity increases 146m3/ h~
214m3/ h, noise decline 1.1dB~2.2dB, its power remains at reduced levels at this time；Especially L1/L2It is maintained at 0.4~
When 0.6, the air quantity which obtains is maximum.And work as L1/L2When dropping to 0.1 from 0.3 or L1/L2Increase drop from 0.8
When to 1.0, the air quantity of the axial-flow windwheel reduces rapidly, and draft capacity weakens significantly.It can be seen that L1/L2It should be maintained at certain
In range, it just can ensure that the axial-flow windwheel obtains larger air quantity.
As for as the L2Size, then be respective design, the L according to the axial-flow windwheel of same specification1With L2Reality
Size does respective design.If for example, L2For 80mm, then L1For 24mm~64mm；If L2For 100mm, then L1For 30mm~80mm；
If L2For 120mm, then L1For 36mm~96mm；If L2For 150mm, then L1For 45mm~120mm；If L2For 200mm, then L1For
60mm~160mm.
It please refers to Fig.1 to Fig.3, in the present embodiment, on the basis of above-mentioned any one embodiment, to make collection fan blade 400
While with preferable collection wind energy power, also there is preferable wind-guiding ability, to enhance the water conservancy diversion dynamics of the axial-flow windwheel.It is excellent
Selection of land, first integrates the internal face of wind wall 410 with the blade face angulation of corresponding long fan blade 300 as α, α ∈ [90 °, 120 °],
For example, 100 °, 105 °, 110 ° or 115 ° etc..
Specifically, first integrates the wall surface towards wheel hub 100 of wind wall 410 as internal face, along the axial-flow windwheel
The air-flow of Radial Flow carries over the extending direction of the first collection wind wall 410 under the interception function of 410 internal face of the first collection wind wall
Rotational flow may make the first collection wind wall 410 with 300 junction of long fan blade to air-flow by limiting the α ∈ [90 °, 120 °]
The resistance of flowing is smaller, and flow conductivity is preferable, enhances the water conservancy diversion dynamics of the axial-flow windwheel, reduces windage loss, and then reduce institute
State the energy consumption of axial-flow windwheel.
To verify above-mentioned α ∈ [90 °, 120 °] to the effect of the axial-flow windwheel, in the test experiments base of above-described embodiment
On plinth, under the conditions of being 750r/min based on rotating speed, further the axial-flow windwheel is tested, test data is as follows：
Table 2-4. the utility model axial-flow windwheels, the parameter measured
| α | Air quantity (m3/h) | Power (w) | Noise (dB) |
| 80 | 3810 | 94.8 | 55.9 |
| 90 | 3914 | 97.9 | 54.5 |
| 100 | 3968 | 101.3 | 53.6 |
| 110 | 3935 | 98.9 | 53.2 |
| 120 | 3889 | 96.6 | 53.9 |
| 130 | 3802 | 95.7 | 55.6 |
It can be analyzed and be obtained by above-mentioned Tables 1 and 2-3, under 750r/min rotating speeds, when α is maintained within the scope of 90 °~120 °,
For the axial-flow windwheel for conventional axial-flow windwheel, air quantity increases 142m3/ h~221m3/ h, noise decline 1.1dB~
2.1dB, at this time its power remain at reduced levels；Especially L1/L2When being maintained at 100 °~110 °, which obtains
Air quantity it is maximum.
Fig. 2 and Fig. 3 are please referred to, in the present embodiment, on the basis of above-mentioned any one embodiment, for enhancing the first collection wind
The water conservancy diversion dynamics of wall 410, the height of the first collection wind wall 410 are in be gradually reduced setting from back to front；First collection wind wall 410 has court
To the first top edge 41a of the axial-flow windwheel inlet side, the front end of the first top edge 41a is flat with the air intake surface of long fan blade 300
Slip.
Specifically, the height of the first collection wind wall 410 refers to the height on the axial-flow windwheel axis, the first Ji Fengbi
410 height is in be gradually reduced setting from back to front, may make the front end blade face area of the first collection wind wall 410 smaller, with air-flow
Contact surface it is smaller, cut that plunder generated friction noise when air-flow then smaller.First top edge 41a of the first collection wind wall 410 is in
The concave arc shape setting recessed to bottom, the front end of the first top edge 41a extends forwardly on the blade face of long fan blade 300, and with length
The air intake surface of fan blade 300 is smoothly connected, and with this so that the first top edge 41a has more preferably water conservancy diversion dynamics, enhances its energy of blowing
Power reduces to cut and plunders generated friction noise when air-flow.
Fig. 2 and Fig. 3 are also please referred to, in the present embodiment, collection fan blade 400, which has, connects short 200 and first Ji Fengbi of fan blade
410 the second collection wind wall 420, the height of the second collection wind wall 420 are in be gradually reduced setting from front to back.Second collection wind wall 420 has
There is the second top edge 42a towards the axial-flow windwheel air side, the front end of the second top edge 42a is with the first bottom leaf edge 41b's
Rear end is smoothly connected, and to reduce the resistance of stalling point, reduces windage loss.
Specifically, by being in be gradually reduced setting from front to back by the height of the second collection wind wall 420, the second collection may make
The rear end blade face area of wind wall 420 is smaller, smaller with the contact surface of air-flow, is conducive to extend the burble point that air-flow extends air-flow,
The generation for reducing whirlpool in area, to reduce noise.
Fig. 6 and Fig. 7 are please referred to, here, to make the first collection wind wall 410 reach more preferably water conservancy diversion dynamics, the first collection wind wall 410
With the first bottom leaf edge 41b being connect with long fan blade 300, the first collection wind wall 410 is in concave arc adjacent to one end of the first bottom leaf edge 41b
Shape is arranged, and so can so reduce the resistance of air-flow flowing, the first collection wind of enhancing wall 410 by air-flow along its arc-shaped water conservancy diversion
Water conservancy diversion dynamics.Furthermore arc angling 41c can buffer gas flow impact forces, with reduce gas shock generation it is pneumatic
Noise.
It, can also be by the thickness of the first collection wind wall 410 from back to front to reduce the resistance to air-flow of the first collection wind wall 410
In setting is gradually reduced, so that the front end of the first collection wind wall 410 is thinned and more sharp, is conducive to cut forward and plunders air-flow, subtract
The small resistance to air-flow flowing reduces gas current friction noise.
The utility model also provides a kind of air conditioner, and the air conditioner includes axial-flow windwheel, the axial-flow windwheel it is specific
Structure is with reference to above-described embodiment, same to have since this air conditioner uses whole technical solutions of above-mentioned all embodiments
There are all advantageous effects caused by the technical solution of above-described embodiment, this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of axial-flow windwheel, which is characterized in that including
Wheel hub；
First group of fan blade, including multiple short fan blades；
Second group of fan blade, including multiple long fan blades, the multiple long fan blade are set to the multiple short fan blade successively alternate intervals
On the wheel hub；And
Third group fan blade, including multiple collection fan blades extended along the axial-flow windwheel direction of rotation, each collection fan blade are located at
Between long fan blade on front side of the short fan blade and the neighbouring short fan blade, the both ends of the collection fan blade are separately connected the outer of the short fan blade
The blade face of leaf margin and the long fan blade.
2. axial-flow windwheel as described in claim 1, which is characterized in that the blade face of the collection fan blade is arranged in tabular；Or
The blade face of the collection fan blade is radially arranged in the convex arc shaped of outside projection along axial-flow windwheel.
3. axial-flow windwheel as claimed in claim 2, which is characterized in that the collection fan blade have towards the axial-flow windwheel into
The first Ji Fengbi that wind side is protruded and connect with the long fan blade, described first integrates wind wall place week all radiuses as R1, the length
Radius of a circle where the outer leaf margin of fan blade is R2, R1∈[0.4R2, 0.8R2]。
4. axial-flow windwheel as claimed in claim 3, which is characterized in that the arc length of first Ji Fengbi is L1, the long fan blade
With the segmental arc being in first Ji Fengbi on same circumference, the arc length of the segmental arc is L2, L1∈[0.5L2,
0.8L2]。
5. axial-flow windwheel as claimed in claim 2, which is characterized in that the height of first Ji Fengbi is in gradual from back to front
Reduce setting；First Ji Fengbi has the first top edge towards the axial-flow windwheel inlet side, the first top edge
Front end and the air intake surface of the long fan blade be smoothly connected.
6. axial-flow windwheel as claimed in claim 5, which is characterized in that first Ji Fengbi has to be connect with the long fan blade
The first bottom leaf edge, first Ji Fengbi adjacent to one end of the first bottom leaf edge in concave arc shape be arranged.
7. axial-flow windwheel as claimed in claim 5, which is characterized in that the thickness of first Ji Fengbi is in gradual from back to front
Reduce setting.
8. such as claim 3 to 7 any one of them axial-flow windwheel, which is characterized in that the collection fan blade has towards the axis
Protrude and connect the second Ji Fengbi of the short fan blade and first Ji Fengbi, second Ji Fengbi in stream wind wheel air side
Height from front to back be in be gradually reduced setting.
9. such as claim 3 to 7 any one of them axial-flow windwheel, which is characterized in that the internal face of first Ji Fengbi with
The blade face angulation of corresponding long fan blade is α, α ∈ [90 °, 130 °].
10. a kind of air conditioner, which is characterized in that the air conditioner includes axis stream wind as described in any one of claim 1 to 9
Wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820221981.6U CN207879693U (en) | 2018-02-07 | 2018-02-07 | Axial-flow windwheel and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820221981.6U CN207879693U (en) | 2018-02-07 | 2018-02-07 | Axial-flow windwheel and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879693U true CN207879693U (en) | 2018-09-18 |
Family
ID=63510577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820221981.6U Withdrawn - After Issue CN207879693U (en) | 2018-02-07 | 2018-02-07 | Axial-flow windwheel and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN207879693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882444A (en) * | 2019-02-25 | 2019-06-14 | 江苏大学 | A kind of interior mixed-flow pump impeller with ladder fairing of runner |
| CN110118196A (en) * | 2018-02-07 | 2019-08-13 | 广东美的制冷设备有限公司 | Axial-flow windwheel and air conditioner |
-
2018
- 2018-02-07 CN CN201820221981.6U patent/CN207879693U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118196A (en) * | 2018-02-07 | 2019-08-13 | 广东美的制冷设备有限公司 | Axial-flow windwheel and air conditioner |
| CN110118196B (en) * | 2018-02-07 | 2024-03-26 | 广东美的制冷设备有限公司 | Axial flow wind wheel and air conditioner |
| CN109882444A (en) * | 2019-02-25 | 2019-06-14 | 江苏大学 | A kind of interior mixed-flow pump impeller with ladder fairing of runner |
| CN109882444B (en) * | 2019-02-25 | 2020-08-28 | 江苏大学 | Mixed flow pump impeller with stepped rectifying device in flow channel |
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