CN107588046A - Blower fan structure and there is its air conditioner - Google Patents
Blower fan structure and there is its air conditioner Download PDFInfo
- Publication number
- CN107588046A CN107588046A CN201710752252.3A CN201710752252A CN107588046A CN 107588046 A CN107588046 A CN 107588046A CN 201710752252 A CN201710752252 A CN 201710752252A CN 107588046 A CN107588046 A CN 107588046A
- Authority
- CN
- China
- Prior art keywords
- blower fan
- air
- stator blade
- depressed part
- fan structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a kind of blower fan structure and there is its air conditioner.Blower fan structure includes：Inlet section, inlet section include air intake pipeline section and movable vane, and movable vane is arranged in air intake pipeline section；Outlet section, outlet section include air-out pipeline section and stator blade, and stator blade is arranged in air-out pipeline section, and air-out pipeline section is connected with air intake pipeline section, and movable vane is with respect to stator blade rotatably arranged with being provided with depressed part on the surface of stator blade, depressed part is used for the noise for reducing air-flow.Depressed part is set on stator blade in blower fan structure, the depressed part can play a part of reducing pneumatic noise, efficiently reduce noise caused by blower fan structure, improve the practicality of the blower fan structure and the usage experience of user.
Description
Technical field
The present invention relates to air-conditioner device technical field, in particular to a kind of blower fan structure and has its air-conditioning
Device.
Background technology
In the prior art, axle stream or flow-mixing blower fan, because its air quantity is big, the features such as wide adaptability, transported extensively in engineering
Ventilation industry for various environment.But because the fan noise of the type is bigger than normal than cross flow fan and centrifugal fan, at present
The noise reduction mode generally used is the collocation noise reduction of fan blade active noise reduction and remaining parts, and it is leaf excellent to mainly include fan blade
Change, leaf tail edge processing laciniation, the design of leaf top camber line and the design of fan blade face local perforations, or by motor shock absorption and
The housing for wrapping up blower fan carries out the mode such as noise reduction or sound-absorbing design.In order to allow fan outlet airflow smooth, in fan outlet direction
Increase stator blade structure, or even broached-tooth design is machined with the leading edge or trailing edge of stator blade, or have in the outlet side increase of fan blade
Fan frame structure, and outlet stator blade flow-guiding structure is added in fan frame, it machined sawtooth knot again on its stator blade flow-guiding structure
Structure, the main function of the broached-tooth design is the time for reaching or leaving stator blade face by discrete fan blade exit flow, so as to reduce
Sound synergistic effect, i.e., discrete fan noise.
The shape and size of the diversion groove (i.e. discrete sawtooth) set in the prior art on stator blade are identical, arrangement
For the layout type for the configuration that is mutually symmetrical or misplaces, the discrete effect of fan noise is detrimental to, this is in cross flow fan
Fully verified in modulation snail tongue experiment effect.In theory, best discrete effect, be sawtooth length, shape and
Changed every in certain regular, increase the discrete effect of air-flow.Therefore, can not solve existing skill using stator blade in the prior art
In art there is the problem of noise is big in blower fan.
The content of the invention
It is a primary object of the present invention to provide a kind of blower fan structure and there is its air conditioner, to solve in the prior art
The problem of blower fan structure noise is big.
To achieve these goals, according to an aspect of the invention, there is provided a kind of blower fan structure, including：Inlet section,
Inlet section includes air intake pipeline section and movable vane, and movable vane is arranged in air intake pipeline section；Outlet section, outlet section include air-out pipeline section and quiet
Leaf, stator blade are arranged in air-out pipeline section, and air-out pipeline section is connected with air intake pipeline section, and movable vane is with respect to stator blade rotatably arranged with quiet
Depressed part is provided with the surface of leaf, depressed part is used for the noise for reducing air-flow.
Further, stator blade has normal pressure face and the negative pressure face relative with normal pressure face, and depressed part is arranged at negative pressure
On power face.
Further, depressed part is multiple that length direction of multiple depressed parts along stator blade into multiple rows of is set, multiple depressions
Width of the portion along stator blade into multiple row is set；Wherein, it is same positioned at being located at the geometric center of row or the depressed part of same column
On bar straight line, or, the geometric center dislocation ground of the depressed part between adjacent two row is set.
Further, the centre-to-centre spacing between two neighboring depressed part is D, wherein, 5mm≤D≤20mm.
Further, depressed part is that the radius of curvature of cambered surface is R towards the cambered surface of normal pressure face depression, wherein, 1.5mm
≤R≤5mm。
Further, the center of circle of radius of curvature is equal to the distance of the inwall of depressed part.
Further, depressed part along the circular in cross-section of the in-plane where stator blade, ellipse, square or triangle
Shape.
Further, radial direction of the point along depressed part in the geometric center lines of the thickness direction of stator blade of depressed part
Ultimate range to depressed part side wall is d, wherein, 1mm≤d≤2.5mm.
Further, the depth of the thickness direction along stator blade of depressed part is L, wherein, 0 ＜ L≤2mm.
Further, outlet section also includes：Wheel hub, wheel hub are arranged in air-out pipeline section, and wheel hub passes through stator blade and discharge pipe
Section is connected.
Further, stator blade is multiple that internal face of multiple stator blades along air-out pipeline section is positioned apart from.
Further, stator blade includes：First composition section, plane and the axis direction of air-out pipeline section where the first composition section
With angle；Second composition section, the second composition section are connected with the first composition section, plane and discharge pipe where the second composition section
The axis direction of section is parallel.
Further, blower fan structure also includes：Drive division, drive division are arranged in air intake pipeline section and/or air-out pipeline section, are driven
The output shaft in dynamic portion is connected with movable vane, and drive division can drive movable vane to rotate, so that air-flow enters air-out pipeline section from air intake pipeline section
It is interior, discharge pipe section is discharged after depressed part noise reduction.
According to another aspect of the present invention, there is provided a kind of air conditioner, including blower fan structure, blower fan structure are above-mentioned wind
Machine structure.
Apply the technical scheme of the present invention, depressed part is set on the stator blade in blower fan structure, the depressed part can play
Reduce pneumatic noise effect, efficiently reduce noise caused by blower fan structure, improve the blower fan structure practicality and
The usage experience of user.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows the configuration schematic diagram of the embodiment of the blower fan structure according to the present invention；
Fig. 2 shows the assembling structure schematic diagram of the embodiment of blower fan structure in Fig. 1；
Fig. 3 shows the structural representation of the first embodiment of the stator blade of blower fan structure in Fig. 1；
Fig. 4 shows the structural representation of the second embodiment of the stator blade of blower fan structure in Fig. 1；
Fig. 5 shows the structural representation of the 3rd embodiment of the stator blade of blower fan structure in Fig. 1；
Fig. 6 shows the structural representation of the embodiment of the stator blade of blower fan structure and movable vane in Fig. 1；
Fig. 7 shows the simulated effect figure of no depressed part stator blade；
Fig. 8 shows that with depressed part be stator blade simulated effect figure.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, inlet section；11st, air intake pipeline section；12nd, movable vane；
20th, outlet section；21st, air-out pipeline section；22nd, stator blade；221st, normal pressure face；222nd, negative pressure face；223rd, the first composition
Section；224th, the second composition section；23rd, wheel hub；
30th, depressed part；
40th, drive division.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first ", " second " in the description and claims of this application and accompanying drawing etc.
It is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that the art so used
Language can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except illustrating herein
Or the order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those steps or unit for clearly listing, but may include not list clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be appreciated that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make identical device is presented with like reference characters, thus they are retouched by omitting
State.
With reference to shown in Fig. 1 to Fig. 8, according to an embodiment of the invention, there is provided a kind of blower fan structure.
Specifically, as depicted in figs. 1 and 2, blower fan structure includes inlet section 10 and outlet section 20.Inlet section 10 includes air intake
Pipeline section 11 and movable vane 12.Movable vane 12 is arranged in air intake pipeline section 11.Outlet section 20 includes air-out pipeline section 21 and stator blade 22, stator blade 22
Be arranged in air-out pipeline section 21, air-out pipeline section 21 is connected with air intake pipeline section 11, movable vane 12 with respect to stator blade 22 rotatably arranged with,
Depressed part 30 is provided with the surface of stator blade 22, depressed part 30 is used for the noise for reducing air-flow.
In the present embodiment, depressed part is set on the stator blade in blower fan structure, the depressed part can play reduction air-flow
The effect of noise, noise caused by blower fan structure is efficiently reduced, improve the practicality of the blower fan structure and making for user
With experience.
Specifically, as shown in figure 4, stator blade 22 has normal pressure face 221 and the negative pressure face relative with normal pressure face 221
222, depressed part 30 is arranged on negative pressure face 222.So it is too fast de- from negative pressure face can to play preventing and treating air-flow for setting
The effect of vortex street is formed from and negative pressure face tail end.
Preferably, depressed part 30 is multiple that length direction of multiple depressed parts 30 along stator blade 22 into multiple rows of is set, multiple
Width of the depressed part 30 along stator blade 22 into multiple row is set.Wherein, positioned at in the geometry of row or the depressed part 30 of same column
The heart is located on the same line, you can so that multiple depressed parts to be arranged to the arrangement of matrix.It is of course also possible to by adjacent two
The geometric center of depressed part 30 between row is arranged to dislocation ground set-up mode.So set again such that depressed part can play
Reduce the effect of pneumatic noise.
As shown in Figure 3 and Figure 5, depressed part 30 is the cambered surface being recessed towards normal pressure face 221, and the radius of curvature of cambered surface is R,
Wherein, 1.5mm≤R≤5mm.Centre-to-centre spacing between two neighboring depressed part 30 is D, wherein, 5mm≤D≤20mm.So set
The Noise Reduction of stator blade can further be improved.
Wherein, circular in cross-section, ellipse, the square or triangle along the in-plane where stator blade 22 of depressed part 30
Shape.The noise for equally enabling to the stator blade to play a part of reducing the blower fan structure is so set.
It is intersecting in order to prevent two neighboring depressed part from occurring, can be by the several of the thickness direction in stator blade 22 of depressed part 30
The ultimate range of radial direction to depressed part 30 side wall of the point along depressed part 30 on what center line is d, wherein, 1mm≤d≤
2.5mm。
, can be by the thickness direction along stator blade 22 of depressed part 30 in order to further improve the noise reduction of depressed part
Depth is L, wherein, 0 ＜ L≤2mm.
As depicted in figs. 1 and 2, outlet section 20 also includes wheel hub 23.Wheel hub 23 is arranged in air-out pipeline section 21, and wheel hub 23 is logical
Stator blade 22 is crossed with air-out pipeline section 21 to be connected.The stability and reliability of blower fan structure can be improved by so setting.
Preferably, stator blade 22 is multiple that internal face of multiple stator blades 22 along air-out pipeline section 21 is positioned apart from.So set
The air-out quality of blower fan structure can be effectively improved.
As shown in figure 4, stator blade 22 includes the first composition section 223 and the second composition section 224.Where first composition section 223
Plane and the axis direction of air-out pipeline section 21 have angle.Second composition section 224 is connected with the first composition section 223, second group
It is parallel with the axis direction of air-out pipeline section 21 into the plane where section 224.So set the wind-guiding that can improve stator blade smooth
Property.
Further, blower fan structure also includes drive division 40.Drive division 40 is arranged at air intake pipeline section 11 and air-out pipeline section 21
Between, the output shaft of drive division 40 is connected with movable vane 12, and drive division 40 can drive movable vane 12 to rotate, so that air-flow is from blast pipe
Section 11 enters in air-out pipeline section 21, and discharge pipe section 21 is discharged after the noise reduction of depressed part 30.Preferably, drive division 40 is motor.
Blower fan structure in above-described embodiment can be used for air-conditioner device technical field, i.e., according to the opposing party of the present invention
A kind of face, there is provided air conditioner.The air conditioner includes blower fan structure, and blower fan structure is the blower fan structure in above-described embodiment.Tool
Body, blower fan structure includes inlet section 10 and outlet section 20.Inlet section 10 includes air intake pipeline section 11 and movable vane 12.Movable vane 12 is set
In in air intake pipeline section 11.Outlet section 20 includes air-out pipeline section 21 and stator blade 22, and stator blade 22 is arranged in air-out pipeline section 21, discharge pipe
Section 21 is connected with air intake pipeline section 11, and the stator blade 22 relatively of movable vane 12 is rotatably arranged with being provided with depression on the surface of stator blade 22
Portion 30, depressed part 30 are used for the noise for reducing air-flow.
In the present embodiment, depressed part is set on the stator blade in blower fan structure, the depressed part can play reduction air-flow
The effect of noise, noise caused by blower fan structure is efficiently reduced, improve the practicality of the blower fan structure and making for user
With experience.
Based on the shortcomings that extension set structure is present in the prior art, the application from another important fan noise genesis mechanism-
Boundary-layer departs from the angle in whirlpool, and noise reduction process is carried out to blower fan system.Depart from concept and the utilization in whirlpool for boundary-layer, solve wind
The big technical problem of machine noise.
Fan blade drives exit flow rotation, after high velocity air flows into stator blade, due to leading for stator blade in high rotary course
Stream acts on, and the two sides of stator blade is formed normal pressure face and negative pressure face.And in negative pressure face, because air-flow velocity is higher, inertia
Power is larger, air-flow separation easily occurs, produces whirlpool of being left out, and Shedding Vortex develops and ruptured in motion process, increases complete machine noise
Big side obtains more severe.
Boundary-layer departs from：By taking stator blade as an example, when air-flow head-on flows to stator blade with certain relative horizontal velocity, lower surface
Air-flow is extruded by stator blade wall, so as to cause bottom static pressure rise, so as to form the normal pressure of the stator blade described in the application
Face.During airflow passes stator blade upper wall surface region, because stator blade wall is gradually development downwards, do not have in theory to flow level motion
There is inhibition, so as to which dynamic pressure change is little, static pressure very little.But actual air-flow is in the presence of viscosity, the wall of stator blade
Equally exist roughness.When airflow passes stator blade upper wall surface, air-flow can be close to stator blade upper wall surface current because of the stickiness effect of itself
Dynamic, when stickiness power is not enough to offset the inertia force of air-flow, air-flow departs from from stator blade upper wall surface, that is, generates the application institute
The boundary-layer break-off said.When flow velocity is higher, boundary-layer departs from more early, once depart from, motion process that will be behind
Middle formation whirlpool, and cause the static pressure in the region to decline, so as to form the stator blade negative pressure face in the application.Due to stator blade wall
Degree of roughness problem, the boundary-layer separation time in stator blade negative pressure face is different, thus produces varying strength and energy vortex street, these
Vortex street directly translates into the noise penalty of complete machine in follow-up development and rupture process.
The beneficial effect of the application is mainly reflected in：By setting spherical depression portion (to be recessed in the negative pressure face of stator blade
The center of circle of the radius of curvature of the cambered surface in portion is equal to the distance of the inwall of depressed part, and now, the center of circle is song equivalent to radius
The spheroid of rate radius and the tangent obtained recess in negative pressure face), make the roughness of boundary-layer increase, static pressure increase is big, and it is difficult to depart from
Degree increase, while after boundary-layer departs from, the local vortex street of formation enters in these spherical depression portions in motion process,
These vortex streets is limited in spherical depression, prevent its development diffusion and rupture, so as to reach the purpose for reducing noise.
For above scheme, in the present embodiment, the static pressure with spherical depression and without spherical depression stator blade suction surface
Distribution trend and rule are essentially identical.During without spherical depression, static pressure distribution smooth on suction surface, after spherical depression is set,
Spherical depression set location static pressure rise, closer to spherical depression center, static pressure value added is bigger, recess central area it is quiet
Pressure ratio recess edge static pressure is higher.In terms of blower fan Kuanping Terrane value, 500m3Kuanping Terrane is reduced to from 54.7dB (A) during/h
52.4dB (A), decreases by 4.2%, and experimental data is as shown in table 1 below, and wherein air quantity does not almost have difference, but Kuanping Terrane
Value has declined, that is, achieves effective noise reduction.
The 200mm diameter flow-mixing blower fan stator blade machining experiment correction datas of table 1
Wherein, as shown in Figure 7 and Figure 8, Fig. 7 is the simulated effect figure without depressed part stator blade, and it with depressed part is quiet that Fig. 8, which is,
Leaf simulated effect figure.
Spherical depression structure is had additional in the negative pressure face of fan outlet stator blade structure, departs from difficulty by increasing boundary-layer
Develop the approach such as rupture with limitation Shedding Vortex, reduce the tubulence energy of stator blade exit flow, reach noise reduction
Using the technical scheme of the application, solving air-flow after the blower fan of high speed rotation goes out stream, into after stator blade structure,
Because stator blade structure is mainly used in water conservancy diversion, stator blade negative pressure face because boundary-layer separation causes abnormal vortex street and the problem of deteriorate noise,
It is proposed to set spherical depression structure in the negative pressure face of stator blade structure, to increase the degree of roughness in fan blade negative pressure face, so as to
Static pressure amount of translation when improving airflow passes negative pressure face, boundary-layer separating difficulty is reduced, while held with the sunk structure of processing
Receive vortex street, hinder it to continue to develop and rupture, so as to reach the purpose for reducing noise.Wherein, such as Fig. 3 of the sunk structure on stator blade
Shown in Fig. 5, the curvature diameter of the cambered surface of spherical depression is 2R, D be stator blade in the radial direction two Depression Centers away from, or, D is
Centre-to-centre spacing of the fan blade axis direction along the row's spherical depression of fan blade sideline two, the maximum concave face circular diameter on stator blade face is that 2d, L are
Spherical depression depth on stator blade face.The preference relation of each parameter is as follows：
1st, 3mm≤2R≤10mm, it is optimal to use 5.5mm.Preferably, 2R=5.5mm, cambered surface curvature diameter are less than 3mm, compared with
It is difficult to spherical depression portion.
2、0mm<L≤2mm, based on not influenceing fan blade intensity, optimal value uses L=0.5mm, recommends depth to be less than
1mm, the most thin position thickness of mainly general stator blade are 2mm, and spherical depression can not run through the two sides of stator blade, leakage otherwise occurs
Wind, efficiency decline, air quantity is relatively low or even howling, and influence the intensity of stator blade.
3rd, 2mm≤2d≤5mm, optimal to use 2d=3mm, the diameter is too small, and difficulty of processing is big, too big easily to influence stator blade
Structural strength.
4th, 2d≤D≤20, optimal to use D=7mm, the distance should be more than 2d, that is, ensure that adjacent disc is non-intersect, avoid
There is wedge angle even howling.The application limits the curvature diameter for the cambered surface that the distance should be less than 2 times, it is therefore an objective to ensures sphere
The quantity of depression is unlikely to very little, to weaken soundproof effect.
5th, the centre-to-centre spacing of rows of adjacent depressed part can be arranged between two adjacent depressed parts in column
The equal mode of centre-to-centre spacing.
In this application, depressed part can be with oval depression cambered surface on negative pressure face.When blade rotates in high speed
During, the circular arc in negative pressure face or the boundary line of ellipse arc can be such that air-flow flows through at a high speed, avoid producing greater impact,
Be advantageous to noise reduction.
To the arrangement mode of depressed part, any staggeredly distance arrangement can also be used.Its advantage is：Flow rotation goes out
During stream, airflow passes depressed part on different radical lengths when it is relatively stable and convergent, avoiding local air flow can not flow through
Sunk structure, there is the not exclusively halfway situation of rectification.
Than that described above, it is also necessary to which explanation is " one embodiment ", " another implementation spoken of in this manual
Example ", " embodiment " etc., refer to that the specific features, structure or the feature that combine embodiment description are included in the application summary
Property description at least one embodiment in.It is not necessarily to refer to same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature with reference to any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (14)
- A kind of 1. blower fan structure, it is characterised in that including：Inlet section (10), the inlet section (10) include air intake pipeline section (11) and movable vane (12), and the movable vane (12) is arranged at institute State in air intake pipeline section (11)；Outlet section (20), the outlet section (20) include air-out pipeline section (21) and stator blade (22), and the stator blade (22) is arranged at institute State in air-out pipeline section (21), the air-out pipeline section (21) is connected with the air intake pipeline section (11), and the movable vane (12) is with respect to institute Stator blade (22) is stated rotatably arranged with being provided with depressed part (30) on the surface of the stator blade (22), the depressed part (30) is used In the noise for reducing air-flow.
- 2. blower fan structure according to claim 1, it is characterised in that the stator blade (22) have normal pressure face (221) and The relative negative pressure face (222) with the normal pressure face (221), the depressed part (30) are arranged at the negative pressure face (222) On.
- 3. blower fan structure according to claim 2, it is characterised in that the depressed part (30) is multiple described recessed to be multiple Fall into the length direction of portion (30) along the stator blade (22) into multiple rows of to set, multiple depressed parts (30) are along the stator blade (22) Width into multiple row set；Wherein, it is located on the same line positioned at the geometric center with row or the depressed part (30) of same column, or, adjacent two The geometric center dislocation ground of the depressed part (30) between row is set.
- 4. blower fan structure according to claim 3, it is characterised in that the center between the two neighboring depressed part (30) Away from for D, wherein, 5mm≤D≤20mm.
- 5. blower fan structure according to claim 2, it is characterised in that the depressed part (30) is towards the normal pressure face (221) cambered surface of depression, the radius of curvature of the cambered surface is R, wherein, 1.5mm≤R≤5mm.
- 6. blower fan structure according to claim 5, it is characterised in that the center of circle of the radius of curvature to the depressed part (30) distance of inwall is equal.
- 7. blower fan structure according to claim 1, it is characterised in that the depressed part (30) along the stator blade (22) institute In-plane circular in cross-section, ellipse, square or triangle.
- 8. blower fan structure according to claim 1, it is characterised in that the depressed part (30) in the stator blade (22) Radial direction of the point along the depressed part (30) in the geometric center lines of thickness direction to the depressed part (30) side wall most Big distance is d, wherein, 1mm≤d≤2.5mm.
- 9. blower fan structure according to claim 1, it is characterised in that the depressed part (30) along the stator blade (22) The depth of thickness direction is L, wherein, 0 ＜ L≤2mm.
- 10. blower fan structure according to claim 1, it is characterised in that the outlet section (20) also includes：Wheel hub (23), the wheel hub (23) are arranged in the air-out pipeline section (21), and the wheel hub (23) passes through the stator blade (22) it is connected with the air-out pipeline section (21).
- 11. blower fan structure according to claim 1, it is characterised in that the stator blade (22) is multiple, multiple stator blades (22) it is positioned apart from along the internal face of the air-out pipeline section (21).
- 12. blower fan structure according to claim 1, it is characterised in that the stator blade (22) includes：First composition section (223), plane and the axis direction of the air-out pipeline section (21) where first composition section (223) With angle；Second composition section (224), second composition section (224) are connected with first composition section (223), described second group It is parallel with the axis direction of the air-out pipeline section (21) into the plane where section (224).
- 13. blower fan structure according to claim 1, it is characterised in that the blower fan structure also includes：Drive division (40), the drive division (40) are arranged in the air intake pipeline section (11) and/or the air-out pipeline section (21), institute The output shaft for stating drive division (40) is connected with the movable vane (12), and the drive division (40) can drive the movable vane (12) to turn It is dynamic, so that air-flow enters in the air-out pipeline section (21) from the air intake pipeline section (11), through the depressed part (30) noise reduction heel row Go out the air-out pipeline section (21).
- 14. a kind of air conditioner, including blower fan structure, it is characterised in that the blower fan structure is any one of claim 1 to 13 Described blower fan structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752252.3A CN107588046A (en) | 2017-08-28 | 2017-08-28 | Blower fan structure and there is its air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752252.3A CN107588046A (en) | 2017-08-28 | 2017-08-28 | Blower fan structure and there is its air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107588046A true CN107588046A (en) | 2018-01-16 |
Family
ID=61050129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710752252.3A Pending CN107588046A (en) | 2017-08-28 | 2017-08-28 | Blower fan structure and there is its air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107588046A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112424480A (en) * | 2018-07-16 | 2021-02-26 | 施乐百有限公司 | Fan and deflector plate for a fan |
| WO2022127287A1 (en) * | 2020-12-18 | 2022-06-23 | 广东美的暖通设备有限公司 | Wind wheel, fan, and air conditioner |
| WO2023226365A1 (en) * | 2022-05-27 | 2023-11-30 | 珠海格力电器股份有限公司 | Mixed flow fan and air duct-type air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009085046A (en) * | 2007-09-28 | 2009-04-23 | Nippon Densan Corp | Fan device |
| CN201983365U (en) * | 2011-03-07 | 2011-09-21 | 海信（山东）空调有限公司 | Double-fan air-conditioner outdoor unit box body and double-fan air-conditioner outdoor unit |
| CN106015104A (en) * | 2016-07-13 | 2016-10-12 | 芜湖美智空调设备有限公司 | Air conditioner, axial flow fan and stator blade of axial flow fan |
| CN106949093A (en) * | 2017-04-24 | 2017-07-14 | 浙江理工大学 | A kind of centrifugal impeller |
| CN107061329A (en) * | 2017-04-24 | 2017-08-18 | 浙江理工大学 | A kind of axial flow blower |
| CN207195307U (en) * | 2017-08-28 | 2018-04-06 | 珠海格力电器股份有限公司 | Blower fan structure and there is its air conditioner |
-
2017
- 2017-08-28 CN CN201710752252.3A patent/CN107588046A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009085046A (en) * | 2007-09-28 | 2009-04-23 | Nippon Densan Corp | Fan device |
| CN201983365U (en) * | 2011-03-07 | 2011-09-21 | 海信（山东）空调有限公司 | Double-fan air-conditioner outdoor unit box body and double-fan air-conditioner outdoor unit |
| CN106015104A (en) * | 2016-07-13 | 2016-10-12 | 芜湖美智空调设备有限公司 | Air conditioner, axial flow fan and stator blade of axial flow fan |
| CN106949093A (en) * | 2017-04-24 | 2017-07-14 | 浙江理工大学 | A kind of centrifugal impeller |
| CN107061329A (en) * | 2017-04-24 | 2017-08-18 | 浙江理工大学 | A kind of axial flow blower |
| CN207195307U (en) * | 2017-08-28 | 2018-04-06 | 珠海格力电器股份有限公司 | Blower fan structure and there is its air conditioner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112424480A (en) * | 2018-07-16 | 2021-02-26 | 施乐百有限公司 | Fan and deflector plate for a fan |
| WO2022127287A1 (en) * | 2020-12-18 | 2022-06-23 | 广东美的暖通设备有限公司 | Wind wheel, fan, and air conditioner |
| WO2023226365A1 (en) * | 2022-05-27 | 2023-11-30 | 珠海格力电器股份有限公司 | Mixed flow fan and air duct-type air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207195307U (en) | Blower fan structure and there is its air conditioner | |
| CN100504073C (en) | Eccentric fan and air conditioner therewith | |
| EP2476912B1 (en) | Propeller fan, molding die, and fluid feed device | |
| CN107588046A (en) | Blower fan structure and there is its air conditioner | |
| JP2007292053A (en) | Multi-blade fan | |
| JP2011179330A (en) | Impeller, blower, and air conditioner using the same | |
| JP2008025983A (en) | Outdoor unit for air conditioner | |
| JP2006291735A (en) | Blower impeller | |
| CN102197228A (en) | Propeller fan, fluid feeder and mold | |
| AU2020478845B2 (en) | Turbofan and air-conditioning apparatus | |
| CN102341603B (en) | Propeller fan | |
| CN105697394A (en) | Micro-miniature efficient outlet flow field distortionless centrifugal fan | |
| CN201851371U (en) | Blowing fan and air blower using same | |
| JPH1144432A (en) | Air conditioner | |
| CN107956739B (en) | Cross flow wind wheel and air conditioner | |
| CN101135319A (en) | Screw propeller type fan | |
| CN105008723A (en) | Propeller fan and air conditioner equipped with same | |
| JP2000087898A (en) | Axial flow blower | |
| CN100529422C (en) | Centrifugal fan and apparatus using the same | |
| JP2002106494A (en) | Axial flow type fan | |
| JP2011179331A (en) | Blower, and air conditioner using the same | |
| JP3461661B2 (en) | Blower | |
| JPH09100795A (en) | Air conditioner | |
| WO2020121484A1 (en) | Centrifugal fan and air conditioner | |
| WO2014199589A1 (en) | Fan and air conditioner using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |