CN106766046A - Air-supply assembly and air-conditioner - Google Patents
Air-supply assembly and air-conditioner Download PDFInfo
- Publication number
- CN106766046A CN106766046A CN201611036033.7A CN201611036033A CN106766046A CN 106766046 A CN106766046 A CN 106766046A CN 201611036033 A CN201611036033 A CN 201611036033A CN 106766046 A CN106766046 A CN 106766046A
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- Prior art keywords
- air
- breach
- leaf
- axial
- supply assembly
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of air-supply assembly.Air-supply assembly includes air-ducting ring and axial-flow windwheel.Air-ducting ring includes the first air guide ring and the second air guide ring that are coaxially set.First air guide ring is formed with air intake vent, and the first air guide ring bends with the first half radially away from the direction of axis.Second air guide ring bends with the second half radially away from the direction of axis.First radius is more than the second radius.Axial-flow windwheel includes multiple blades.Blade includes the leaf trailing edge at the leeward end for being formed in blade, and leaf trailing edge is formed with the first breach and the second breach, the depth of the depth more than the first breach of the second breach.Axial-flow windwheel stretches into air-ducting ring from air intake vent, and it is 0.3 0.4 that axial-flow windwheel stretches into the ratio of the depth of air-ducting ring and the axial height of air-ducting ring, and the second barbed portion stretches into air-ducting ring.The invention also discloses a kind of air-conditioner.In above-mentioned air-supply assembly, noise when the first breach and the second breach reduction air-supply assembly work can increase air output by setting axial-flow windwheel with the position relationship of air-ducting ring.
Description
Technical field
The present invention relates to air-conditioner technical field, more specifically, it is related to a kind of air-supply assembly and air-conditioner.
Background technology
In the related art, air-conditioner outdoor unit includes wind wheel, and wind wheel is rotated and produces the air of directed flow with through changing
Hot device, air carries out heat exchange with heat exchanger, in order that heat exchanger has preferable heat exchange efficiency, it usually needs increase sending for wind wheel
Air quantity, in this way, noise when wind wheel may be caused to work is increased, Consumer's Experience is not good.Therefore, wind wheel how is enable to improve air-supply
Amount does not increase noise as problem demanding prompt solution again.
The content of the invention
Embodiment of the present invention is intended at least solve one of technical problem present in prior art.Therefore, the present invention is real
The mode of applying needs to provide a kind of air-supply assembly and air-conditioner.
The air-supply assembly of embodiment of the present invention includes air-ducting ring and axial-flow windwheel.
The air-ducting ring includes the first air guide ring and the second air guide ring that are coaxially set.First air guide ring is formed with
Air intake vent, first air guide ring bends with the first half radially away from the direction of the axis.Second air guide ring is with second
Partly radially away from the direction bending of the axis.First radius is more than second radius.
The axial-flow windwheel includes multiple blades.The blade includes the leaf trailing edge at the leeward end for being formed in the blade,
The leaf trailing edge is formed with the first breach and the second breach, the depth of the depth more than first breach of second breach.
The axial-flow windwheel stretches into the air-ducting ring from the air intake vent, the axial-flow windwheel stretch into the depth of the air-ducting ring with it is described
The ratio of the axial height of air-ducting ring is 0.3-0.4, and second barbed portion stretches into the air-ducting ring.
In above-mentioned air-supply assembly, the first breach and the second breach cause that partial pressure face carries with the air of suction surface on blade
Preceding mixing, reduces the generation of vortex, and then reduces the noise that produces when axial-flow windwheel works, while the first radius is more than the second half
Footpath, by the position relationship for setting axial-flow windwheel and air-ducting ring so that the air flowed out from the first breach and the second breach is led
Solar or lunar halo is wrapped up, and then increases intake.
In some embodiments, the air-ducting ring also includes the 3rd air guide ring.3rd air guide ring connection described the
One air guide ring and second air guide ring.The 3rd wind-guiding that the air-ducting ring is obtained is intercepted with through the plane of the axis
The cross-sectional length of ring is 1.8-2.2 with the ratio of the cross-sectional length of first air guide ring.
In some embodiments, first radius and the ratio of second radius are 1.25-1.75.
In some embodiments, the axial-flow windwheel is coaxially disposed with the air-ducting ring, the axial-flow windwheel with it is described
The distance between inwall of air-ducting ring is 7-10 millimeters.
In some embodiments, the axial-flow windwheel includes wheel hub, and the multiple blade is connected to the side of the wheel hub
Face, the blade includes the blade root that be connected with the wheel hub and the leaf outer rim away from the wheel hub, the thickness edge of the blade from
The leaf outer rim to the direction of the blade root gradually increases.
In some embodiments, the leaf trailing edge includes interior trailing edge and outer trailing edge.The interior trailing edge connects the blade root
With first breach.The outer trailing edge connects second breach and the leaf outer rim.
In some embodiments, the leaf outer rim and the intersection point of the outer trailing edge are leaf exterior point, on second breach
Point near the leaf forward position is front end, and the front end is in the leaf outer rim along the front end and the center of the wheel hub
Line direction is projected as preceding point, it is described before point be with the ratio of the length of the leaf outer rim to the length between the leaf exterior point
0.15-0.25。
In some embodiments, the point on first breach near the blade root is first the inner, described first
Point on breach farthest away from the blade root is the first outer end.The described first inner distance to the blade root is arrived with the leaf outer rim
The ratio of the distance of the blade root is 0.15-0.25.First outer end to the blade root distance and the leaf outer rim to described
The ratio of the distance of blade root is 0.65-0.75.
In some embodiments, first breach is in circular arc.
In some embodiments, the point on second breach near the blade root is second the inner, described second
Point on breach farthest away from the blade root is the second outer end.The described second inner distance to the blade root is arrived with the leaf outer rim
The ratio of the distance of the blade root is 0.55-0.65.Second outer end to the blade root distance and the leaf outer rim to described
The ratio of the distance of blade root is 0.85-0.95.
In some embodiments, the multiple blade is in circumferential equiangularly spaced setting in the side of the wheel hub.
The air-conditioner of embodiment of the present invention includes the air-supply assembly of any of the above-described implementation method.
In the air-supply assembly of above-mentioned air-conditioner, the first breach and the second breach cause partial pressure face and suction surface on blade
Air mix in advance, the generation of vortex is reduced, and then reduce the noise that produces when axial-flow windwheel works, while the first radius is big
In the second radius, by the position relationship for setting axial-flow windwheel and air-ducting ring so that flowed out from the first breach and the second breach
Air is wrapped up by air-ducting ring, and then increases air output.
The additional aspect and advantage of embodiment of the present invention will be set forth in part in the description, partly by from following
Become obvious in description, or recognized by the practice of embodiment of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of embodiment of the present invention are retouched from reference to accompanying drawings below to implementation method
Be will be apparent in stating and be readily appreciated that, wherein：
Fig. 1 is the schematic perspective view of the air-supply assembly according to embodiment of the present invention；
Fig. 2 is the floor map of the air-supply assembly according to embodiment of the present invention；
Fig. 3 is the air-supply assembly of Fig. 2 along the schematic cross-section of III-III line；
Fig. 4 is the enlarged diagram of IV part of the air-supply assembly of Fig. 3；
Fig. 5 is the schematic perspective view of the axial-flow windwheel according to embodiment of the present invention；
Fig. 6 is the floor map of the axial-flow windwheel according to embodiment of the present invention；
Fig. 7 is another floor map of the axial-flow windwheel according to embodiment of the present invention.
Main element and symbol description：
Air-supply assembly 100, air-ducting ring 10, the first air guide ring 12, air intake vent 122, the second air guide ring 14, air outlet 142,
Three air guide rings 16, axial-flow windwheel 20, blade 22, pressure face 221, leaf leading edge 222, suction surface 223, leaf trailing edge 224, interior trailing edge
2242nd, outer trailing edge 2244, the first breach 225, first the inner 2252, the first outer end 2254, the second breach 226, front end 2262,
Two the inners 2264, the second outer end 2266, blade root 227, leaf outer rim 228, wheel hub 24.
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the implementation method is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The implementation method for examining Description of Drawings is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more feature can be expressed or be implicitly included to the feature of " second ".In description of the invention
In, " multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect or can be in communication with each other；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be two element internals connection or two interaction relationships of element.For the ordinary skill of this area
For personnel, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
Following disclosure provides many different implementation methods or example is used for realizing different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter to the part of specific examples and be set for description.Certainly, they are only merely illustrative, and
And purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various implementation methods and/or setting
Relation.Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
The air-conditioner of embodiment of the present invention includes air-supply assembly.
Fig. 1-Fig. 4 is referred to, the air-supply assembly 100 of embodiment of the present invention includes air-ducting ring 10 and axial-flow windwheel 20.
Air-ducting ring 10 includes the first air guide ring 12 and the second air guide ring 14, and the first air guide ring 12 is coaxial with the second air guide ring 14
Line Z is set.First air guide ring 12 is formed with air intake vent 122, and the first air guide ring 12 is with the first radius R1 to the direction away from axis Z
Bending, the second air guide ring 14 is bent with the second radius R2 to the direction away from axis Z.First radius R1 is more than the second radius R2.
Axial-flow windwheel 20 includes multiple blades 22, and blade 22 includes the leaf trailing edge 224 at the leeward end for being formed in blade 22.Leaf
Trailing edge 224 is formed with the first breach 225 and the second breach 226, the depth of the depth more than the first breach 225 of the second breach 226.
Axial-flow windwheel 20 stretches into air-ducting ring 10 from air intake vent 122, and axial-flow windwheel 20 stretches into the depth of air-ducting ring 10 and the axle of air-ducting ring 10
It is 0.3-0.4 to the ratio of height, air-ducting ring 10 is stretched into the part of the second breach 226.
In this way, in above-mentioned air-supply assembly 100, the first breach 225 and the second breach 226 cause partial pressure on blade 22
Face 221 mixes in advance with the air of suction surface 223, reduces the generation of vortex, and then reduce what is produced when axial-flow windwheel 20 works
Noise, while the first radius R1 is more than the second radius R2, by the position relationship for setting axial-flow windwheel 20 and air-ducting ring 10 so that
The air flowed out from the first breach 225 and the second breach 226 is wrapped up by air-ducting ring 10, and then increases air output.
In actual use, air-supply assembly 100 can be provided in the outdoor unit of air-conditioner, and outdoor unit also includes heat exchange
The shell of device and collecting heat exchanger.In some embodiments, air-ducting ring 10 can be integrally formed with shell, and axial-flow windwheel 20 can
To be arranged between heat exchanger and air-ducting ring 10, the second air guide ring 14 forms air outlet 142.Wind wheel is driven by motor in turn, axle
Stream wind wheel 20 rotates to flow into air-ducting ring 10 from air intake vent 122 after driving air through heat exchanger, then is led from the outflow of air outlet 142
Solar or lunar halo 10.
In embodiments of the present invention, axial-flow windwheel 20 stretches into the depth h of the air-ducting ring 10 and axial height H of air-ducting ring 10
Ratio h/H be 0.3-0.4, preferably 0.33.So, it is to avoid axial-flow windwheel 20 and the hypertelorism of air-ducting ring 10 and cause from first
The air of the outflow of 225 and second breach of breach 226 can not flow into air intake vent 122, while also avoiding axial-flow windwheel 20 from stretching into excessively
And cause the intake of axial-flow windwheel 20 to be subject to influenceing for air-ducting ring 10.
In some embodiments, air-ducting ring 10 also includes the 3rd air guide ring 16, and the 3rd air guide ring 16 connects the first wind-guiding
The air guide ring 14 of ring 12 and second.Fig. 3 and Fig. 4 is referred to, with the 3rd wind-guiding obtained through the plane of axis interception air-ducting ring 10
The ratio of the cross-sectional length L1 of the cross-sectional length L3 of ring 16 and the first air guide ring 12 is L3/L1=1.8-2.2.
Specifically, the 3rd air guide ring 16 can be and the cross section annulus parallel with axis Z with axis Z as axle.3rd leads
Vane 16 can be tangent with the first air guide ring 12 and the second air guide ring 14.In this way, reducing the inwall and air of air-ducting ring 10
Friction, air outflow is smooth and reduces noise.
Preferably, in the section shown in Fig. 3 and Fig. 4, the length L3 of the 3rd air guide ring 16 and the first air guide ring 12 cut
The ratio of face length L1 is 2.0.
In some embodiments, the ratio R1/R2 of the first radius R1 and the second radius R2 is 1.25-1.75.Preferably,
The ratio of Radius R1 and the second radius R2 is 1.5.
It is appreciated that the first air guide ring 12 bends to the direction away from axis Z, increase the area of air intake vent 122 to permit
Perhaps more air enter air-ducting ring 10.Second air guide ring 14 bends to the direction away from axis Z, and one increases air outlet
142 area is easier to flow out air-ducting ring 10 from air outlet 142 so as to obtain air, and two carry out air can be along the second air guide ring 14
Fusiform inwall little by little mix with outside air, reduce the vortex that produces when air flows out, and then reduce noise.
In some embodiments, axial-flow windwheel 20 is coaxially disposed with air-ducting ring 10, axial-flow windwheel 20 and air-ducting ring 10
The distance between inwall is 7-10 millimeters.
In this way, prevent air-ducting ring 10 in use from interfering with axial-flow windwheel 20 rotate, while being produced by the edge of axial-flow windwheel 20
Raw air-flow can be wrapped up increasing air output by air-ducting ring 10.
In a contrast experiment, compare under different voltages, the air-supply assembly 100 and control group of embodiment of the present invention
Air-supply assembly (the first air guide ring is identical with the crooked process radius of the second air guide ring, and axial-flow windwheel is not provided with the first breach and second
Breach) noise and air quantity, obtain experimental data as shown in table 1.
Table 1：
Can be drawn from upper table, under identical driving voltage, air-supply assembly 100 and the control group of embodiment of the present invention
Air-supply assembly is compared, and noise is also reduced while air quantity is improved.
Fig. 5 and Fig. 6 is referred to, the axial-flow windwheel 20 of embodiment of the present invention also includes wheel hub 24, and multiple blades 22 are set
In the side of wheel hub 24.
Specifically, in some embodiments, multiple blades 22 are in circumferential equiangularly spaced setting in the side of wheel hub 24.
In this way, axial-flow windwheel 20 is rotated relatively stablize, and the fluctuation of the air output of axial-flow windwheel 20 is smaller.
Blade 22 also includes leaf leading edge 222, and leaf leading edge 222 is formed in the windward side of blade 22.In actual use, blade
22 can use curved sweep structure design, and when axial-flow windwheel 20 is rotated, the leaf leading edge 222 for being in the windward side of blade 22 cuts sky
Air is divided into two parts by gas, blade 22, the pressure face 221 of blade 22 by the local pressure increase of air and by air toward giving
Wind direction pushes.The face opposite with pressure face 221 is suction surface 223 on blade 22, and suction surface 223 subtracts the local pressure of air
It is small and by air toward air supply direction attract.Pressure face 221 is mixed with the air of suction surface 223 at leaf trailing edge 224.
In embodiments of the present invention, leaf trailing edge 224 is formed with the first breach 225 and the second breach 226 and the second breach
Depth of 226 depth more than the first breach 225 so that partial pressure face 221 shifts to an earlier date scarce second with the air of suction surface 223
The breach 225 of mouth 226 and first mixes, and reduces because air mixes the vortex for producing, and then reduction noise simultaneously.
Meanwhile, the first breach 225 and the second breach 226 reduce the force area of blade 22, and the rotating speed of axial-flow windwheel 20 is obtained
To improve, and then the air output of axial-flow windwheel 20 can be improved.
It should be noted that in embodiments of the present invention, the first breach 225 and the second breach 226 are to leaf leading edge 222
Direction extend, the depth of the depth of the first breach 225 and the second breach 226 refers to the first breach 225 and the second breach 226
To the depth that leaf leading edge 222 extends.
In another contrast experiment, compare under different rotating speeds, the control group of axial-flow windwheel 20 of embodiment of the present invention
Axial-flow windwheel (being not provided with the first breach and the second breach) noise, obtain experimental data as shown in table 2.
Table 2：
Can be drawn from upper table, in the case of same rotational speed, axial-flow windwheel 20 and the control group of embodiment of the present invention
Axial-flow windwheel is compared, and can reduce noisiness.
In some some implementation methods, blade 22 includes the blade root 227 being connected with wheel hub 24 and away from wheel hub 2424
Leaf outer rim 228, the thickness edge of blade 22 gradually increases from leaf outer rim 228 to the direction of blade root 227.
In this way, improving the strength and stiffness of blade 22, increase the intrinsic frequency of blade 22 in order to avoid producing resonance, and can strengthen
The water conservancy diversion effect of blade 22, it is to avoid vortex occurs in leaf leading edge 222.
In embodiments of the present invention, blade root 227 is provided with rounding and smoothly transits with the junction of wheel hub 24, to increase leaf
The intensity that root 227 is connected with wheel hub 24, it is to avoid stress concentration occur.
In some embodiments, leaf trailing edge 224 includes interior trailing edge 2242 and outer trailing edge 2244.Interior trailing edge 2242 connects leaf
The breach 225 of root 227 and first.Second breach of the connection of outer trailing edge 2,244 226 and leaf outer rim 228.
In this way, pressure face 221 can mix in interior trailing edge 2242 and outer trailing edge 2244 respectively with the air of suction surface 223, lead to
The different shape of trailing edge 2242 and outer trailing edge 2244 in setting is crossed, the air of pressure face 221 and suction surface 223 can be made with different
Gradient is mixed, the air-supply demand different to meet axial-flow windwheel 20.
In embodiments of the present invention, leaf leading edge 222 is in circular arc, and interior trailing edge 2242 and outer trailing edge 2244 are also in circular arc
Shape.
Fig. 6 is referred to, in some embodiments, leaf outer rim 228 is leaf exterior point B with the intersection point of leaf trailing edge 224, and second lacks
Point on mouth 226 near leaf forward position is front end 2262, and front end 2262 is on leaf trailing edge 224 along front end 2262 and wheel hub 24
Point A before being projected as of the line direction of heart Z, the ratio of the length S2 of length S1 and leaf outer rim 228 between preceding point A to leaf exterior point B
S1/S2 is 0.15-0.25, preferably 0.20.
In this way, the depth of the second breach 226 preferably can in advance mix partial pressure face 221 with the air of suction surface 223
Close, reduce noise, while too much influence will not be produced to the intensity of blade 22, prevent blade 22 occur when rotating bending or
Resonance.
In some embodiments, the point on the first breach 225 near blade root 227 is first the inner 2252, and first lacks
Point on mouth 225 farthest away from blade root 227 is the first outer end 2254.First the inner 2252 is to blade root 227 apart from D1 and leaf outer rim
The ratio D1/D3 apart from D3 of 228 to blade root 227 is 0.15-0.25, preferably 0.2.First outer end 2254 to blade root 227 away from
The ratio D2/D3 for arriving the distance D3 of blade root 227 from D2 and leaf outer rim 228 is 0.65-0.75, preferably 0.7.
In embodiments of the present invention, width of the width of the first breach 225 more than the second breach 226, it is preferable that first
The width of breach 225 is about the half of the width of leaf trailing edge 224.It should be noted that the width of the first breach 225 and second lacks
The width of mouth 226 refers to the width that the first breach 225 and the second breach 226 extend in leaf trailing edge 224.
In this way, the first breach 225 is the less breach of depth, the first breach 225 is larger in the width that trailing edge extends, pressure
Face 221 can mix with the air of suction surface 223 at the first breach 225, while the first breach 225 also will not be to the strong of blade 22
Degree causes too much influence.
In some embodiments, the first breach 225 is in circular arc.
In this way, the first breach 225 is less prone to the point of stress concentration, it is to avoid blade 22 ftractures at the first breach 225, and
At the first breach 225, the air of pressure face 221 gradually mixes with the air of suction surface 223, reduces the generation of vortex.
In some embodiments, the point on the second breach 226 near blade root 227 is second the inner 2264, and second lacks
Point on mouth 226 farthest away from blade root 227 is the second outer end 2266.Second the inner 2264 is to blade root 227 apart from D4 and leaf outer rim
The ratio D4/D3 apart from D3 of 228 to blade root 227 is 0.55-0.65, preferably 0.60.Second outer end 2266 to blade root 227 away from
The ratio D5/D3 for arriving the distance D3 of blade root 227 from D5 and leaf outer rim 228 is 0.85-0.95, preferably 0.90.
In embodiments of the present invention, the second breach 226 and the first breach 225 can be continuous transitions, that is to say, that
First outer end 2254 and second the inner 2264 can be on same position.
In this way, the region described in the second breach 226 is located just at the larger region of air pressure on blade 22, the second breach
226 cause that the pressure face 221 in the region mixes in advance with the air of suction surface 223, reduce the pressure that the region is subject to, and prevent
Stress concentration on blade 22 and there is deformation.
It is from wheel hub it should be noted that the above-mentioned description to the first breach 225 and the position of the second breach 226
For 24 axis Z-direction is the front view of the axial-flow windwheel 20 that the direction faced obtains.
Fig. 6 is referred to, in some embodiments, the second breach 226 is in circular arc.
In this way, the second breach 226 is less prone to the point of stress concentration, it is to avoid blade 22 ftractures at the second breach 226, and
At the second breach 226, the air of pressure face 221 gradually mixes with the air of suction surface 223, reduces the generation of vortex.
Certainly, in other embodiments, the second breach 226 can also have other concrete shapes, such as the second breach
226 triangular shapes, as shown in Figure 7.
In the description of this specification, reference term " implementation method ", " some implementation methods ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means to combine the implementation method or example describes
Specific features, structure, material or feature are contained at least one implementation method of the invention or example.In this specification
In, the schematic representation to above-mentioned term is not necessarily referring to identical implementation method or example.And, the specific spy of description
Levy, structure, material or feature can in an appropriate manner be combined in one or more any implementation methods or example.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Although embodiments of the present invention have been shown and described above, it is to be understood that above-mentioned implementation method is
Exemplary, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be right
Above-mentioned implementation method is changed, changes, replacing and modification.
Claims (12)
1. a kind of air-supply assembly, it is characterised in that including：
Air-ducting ring, the air-ducting ring includes the first air guide ring and the second air guide ring that are coaxially set, the first wind-guiding annular
Into there is an air intake vent, first air guide ring bends with the first half radially away from the direction of the axis, second air guide ring with
The second half radially away from the axis direction bending, first radius is more than second radius；With
Axial-flow windwheel, the axial-flow windwheel includes multiple blades, and the blade includes the leaf at the leeward end for being formed in the blade
Trailing edge, the leaf trailing edge is formed with the first breach and the second breach, and the depth of second breach is more than first breach
Depth, the axial-flow windwheel stretches into the air-ducting ring from the air intake vent, and the axial-flow windwheel stretches into the depth of the air-ducting ring
Ratio with the axial height of the air-ducting ring is 0.3-0.4, and second barbed portion stretches into the air-ducting ring.
2. air-supply assembly as claimed in claim 1, it is characterised in that the air-ducting ring also includes connection first air guide ring
With the 3rd air guide ring of second air guide ring, the air-ducting ring is obtained the described 3rd is intercepted with through the plane of the axis
The cross-sectional length of air guide ring is 1.8-2.2 with the ratio of the cross-sectional length of first air guide ring.
3. air-supply assembly as claimed in claim 1, it is characterised in that first radius is with the ratio of second radius
1.25-1.75。
4. air-supply assembly as claimed in claim 1, it is characterised in that the axial-flow windwheel is coaxially disposed with the air-ducting ring,
The distance between the axial-flow windwheel and inwall of the air-ducting ring are 7-10 millimeters.
5. air-supply assembly as claimed in claim 1, it is characterised in that the axial-flow windwheel includes wheel hub, the multiple blade
The side of the wheel hub is connected to, the blade includes the blade root being connected with the wheel hub and the leaf outer rim away from the wheel hub,
The thickness edge of the blade gradually increases from the leaf outer rim to the direction of the blade root.
6. air-supply assembly as claimed in claim 5, it is characterised in that the leaf trailing edge includes：
Interior trailing edge, the interior trailing edge connects the blade root and first breach；With
Outer trailing edge, the outer trailing edge connects second breach and the leaf outer rim.
7. air-supply assembly as claimed in claim 6, it is characterised in that the intersection point of the leaf outer rim and the outer trailing edge is for outside leaf
Point, the point on second breach near the leaf forward position is front end, and the front end is in the leaf outer rim along the front end
With the preceding point that is projected as in the line direction at the center of the wheel hub, the preceding point to the length and the leaf between the leaf exterior point
The ratio of the length of outer rim is 0.15-0.25.
8. air-supply assembly as claimed in claim 5, it is characterised in that the point on first breach near the blade root is
First is inner, and the point on first breach farthest away from the blade root is the first outer end, described first the inner to the blade root
Distance is 0.15-0.25, the distance of first outer end to the blade root with the ratio of the distance of the leaf outer rim to the blade root
It is 0.65-0.75 with the ratio of the distance of the leaf outer rim to the blade root.
9. air-supply assembly as claimed in claim 5, it is characterised in that first breach is in circular arc.
10. air-supply assembly as claimed in claim 5, it is characterised in that near the point of the blade root on second breach
For second is inner, the point on second breach farthest away from the blade root is the second outer end, and described second is inner to the blade root
The ratio of distance and the distance of the leaf outer rim to the blade root be 0.55-0.65, second outer end to the blade root away from
From with the leaf outer rim to the blade root with a distance from ratio be 0.85-0.95.
11. air-supply assemblies as claimed in claim 5, it is characterised in that the multiple blade is in the side of the wheel hub in week
To equiangularly spaced setting.
12. a kind of air-conditioners, it is characterised in that including the air-supply assembly as described in claim any one of 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036033.7A CN106766046A (en) | 2016-11-15 | 2016-11-15 | Air-supply assembly and air-conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611036033.7A CN106766046A (en) | 2016-11-15 | 2016-11-15 | Air-supply assembly and air-conditioner |
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| Publication Number | Publication Date |
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| CN106766046A true CN106766046A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611036033.7A Pending CN106766046A (en) | 2016-11-15 | 2016-11-15 | Air-supply assembly and air-conditioner |
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| CN108571786A (en) * | 2018-05-04 | 2018-09-25 | 广东美的制冷设备有限公司 | Wind-guiding coil assembly, air-conditioner outdoor unit and air conditioner |
| CN115559938A (en) * | 2021-07-01 | 2023-01-03 | 马勒国际有限公司 | Fan impeller |
| CN115864724A (en) * | 2022-12-26 | 2023-03-28 | 湖南长锦成电器有限公司 | High-speed motor with detachable flow channel |
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