CN106321520B - Water conservancy diversion coil structures, axial flow blower and air conditioner - Google Patents
Water conservancy diversion coil structures, axial flow blower and air conditioner Download PDFInfo
- Publication number
- CN106321520B CN106321520B CN201610917189.XA CN201610917189A CN106321520B CN 106321520 B CN106321520 B CN 106321520B CN 201610917189 A CN201610917189 A CN 201610917189A CN 106321520 B CN106321520 B CN 106321520B
- Authority
- CN
- China
- Prior art keywords
- aperture
- arc panel
- circle body
- water conservancy
- conservancy diversion
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/665—Sound attenuation by means of resonance chambers or interference
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Flow Control Members (AREA)
Abstract
The embodiment of the invention discloses a kind of water conservancy diversion coil structures, axial flow blower and air conditioners, are related to noise reduction field, to reduce the aerodynamic noise in axial flow blower use process under the premise of guaranteeing blower air-out volume.The water conservancy diversion coil structures include circle body, and circle body includes closed cavity and through-hole, are equipped with aperture at circle body diameter minimum, cavity is connected to by aperture with through-hole；Wherein, the fluid in through-hole can enter in cavity via aperture.Above-mentioned technical proposal, under the premise of guaranteeing its Venturi tube effect, surface increases hatch frame, the turbulence energy of leaf top gas stream is radially transmitted blowing machine region, to achieve the purpose that noise reduction.
Description
Technical field
The present invention relates to noise reduction fields, and in particular to a kind of water conservancy diversion coil structures, axial flow blower and air conditioner.
Background technique
The aerodynamic noise of outdoor machine of air-conditioner axial flow blower is the noise source for being only second to compressor vibrating noise, therefore blower
Noise reduction is one of blower optimization aspect emphasis research topic.The aerodynamic noise of axial flow blower is mainly derived near blade, especially
It is the region Ye Ding.Since region acting ability is most strong, wind speed is maximum, in addition blade tip leakage vortex occurs mainly in the region, gas
Stream is vortexed seriously, is the largest source of aerodynamic noise.
In the prior art, fan noise is reduced using following manner：Increase in axial flow blower water conservancy diversion loop diameter minimum position
Several concave circumferential direction trough body structures, to increase the gap between baffle liner and fan blade leaf top, to reduce noise.
Inventors have found that at least there are following problems in the prior art：The above method has significant limitation, and fluting can increase
Add the spacing of fan blade leaf top and baffle liner, to increase leakage space, reduces the air-out volume and fan efficiency of blower.
Summary of the invention
One of purpose of the invention is to propose a kind of water conservancy diversion coil structures, axial flow blower and air conditioner, to guarantee
The aerodynamic noise in axial flow blower use process is reduced under the premise of blower air-out volume.
To achieve the above object, the present invention provides following technical schemes：
The embodiment of the invention provides a kind of water conservancy diversion coil structures, including circle body, the circle body include closed cavity and
Through-hole, aperture is equipped at the circle body diameter minimum, and the cavity is connected to by the aperture with the through-hole；Wherein, described logical
Fluid in hole can enter in the cavity via the aperture.
In optional or preferred embodiment, the circle body surrounds the cavity using at least one piece of arc panel.
In optional or preferred embodiment, the circle body includes the first arc panel for surrounding the cavity and through-hole,
Two arc panels and plate；First arc panel is located at the inside of the circle body, and second arc panel is located at the circle body
Outside, first arc panel and the second arc panel rounding off and sealing；First arc panel is far from described second
One end of arc panel and the plate rounding off and sealing；The one end of second arc panel far from first arc panel with
The plate rounding off and sealing；Wherein, the aperture is set to first arc panel.
In optional or preferred embodiment, first arc panel includes the different first segment and second segment of curvature；Institute
First segment is stated between the plate and the second segment, the aperture is set to the first segment.
In optional or preferred embodiment, the curvature of the first segment is greater than the curvature of the second segment.
In optional or preferred embodiment, second arc panel and the plate junction are constructed such that air-flow
The through hole of the circle body can be directed to.
In optional or preferred embodiment, the quantity at least two of the aperture, each aperture is along the circle
Body is circumferentially.
In optional or preferred embodiment, the diameter of the aperture is 1mm to 3mm.
In optional or preferred embodiment, the distance between two neighboring described aperture is the 2.5 of the opening diameter
Again to 4 times.
In optional or preferred embodiment, the contour line of the aperture is round or oval.
In optional or preferred embodiment, the circle body surface of the axis of the aperture perpendicular to the aperture position.
In optional or preferred embodiment, the aperture is located at the air side of the circle body.
Another embodiment of the present invention provides a kind of axial flow blower, the water conservancy diversion loop knot provided including any technical solution of the present invention
Structure.
Further embodiment of this invention provides a kind of air conditioner, the axial flow blower provided including any technical solution of the present invention.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect：
The water conservancy diversion coil structures that above-mentioned technical proposal provides are logical via water conservancy diversion coil structures using the circle body for having closed cavity
The air-flow of hole flowing can enter in closed cavity via aperture, the static pressure that can be passed back automatically to each aperture inside toroidal cavity
It is balanced integrated treatment, is finally reached an integrated value, it can adjusts the degree of unbalancedness of baffle liner circumferential direction static pressure, reduces gas
The turbulence in baffle liner circumferential direction is flowed, achievees the effect that noise reduction.Due to cavity be it is closed, be flowed into the intracorporal gas of chamber via aperture
Body will not be revealed, therefore will not reduce axial flow blower air quantity.As it can be seen that above-mentioned technical proposal, without reducing the air quantity of axial flow blower just
The noise that axial flow blower can be reduced solves the problems, such as that wanting to reduce noise would have to reduce axial flow blower air quantity, can guarantee
Noise is reduced under the premise of axial flow blower air quantity.That is above-mentioned technical proposal, under the premise of guaranteeing its Venturi tube effect, surface
Increase hatch frame, the turbulence energy of leaf top gas stream is radially transmitted into blowing machine region, to achieve the purpose that noise reduction.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is baffle liner structural upright schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of baffle liner structure side-looking direction provided in an embodiment of the present invention；
Fig. 3 is water conservancy diversion coil structures wind-guiding schematic diagram provided in an embodiment of the present invention；
Fig. 4 is baffle liner structure of the main view provided in an embodiment of the present invention.
Appended drawing reference：
1, circle body；2, the first arc panel；3, the second arc panel；4, plate；5, air-conditioning axial-flow leaf side；6, air side；11,
Cavity；12, through-hole；13, aperture；21, first segment；22, second segment.
Specific embodiment
Technical solution provided by the invention is illustrated in more detail below with reference to FIG. 1 to FIG. 4.
Referring to Fig. 1 and Fig. 2, the embodiment of the present invention provides a kind of water conservancy diversion coil structures, including circle body 1, and circle body 1 includes through-hole 12
And closed cavity 11, aperture 13 is equipped at 1 diameter minimum of circle body, cavity 11 is connected to by aperture 13 with through-hole 12.Wherein, lead to
Fluid in hole 12 can enter in cavity 11 via aperture 13.
Circle body 1 has closed cavity 11, (for passing through axial flow blower gas i.e. among circle body 1 at 1 diameter minimum of circle body
At 12 inner wall of through-hole of stream) it is equipped with aperture 13, aperture 13 is connected to closed cavity 11.Aperture 13 is micropore, i.e. its size ratio
It is smaller.The quantity of aperture 13 can be one or more, when multiple apertures 13 are arranged, a settable row or number row.Row
Aperture 13 between row can arbitrarily be dislocatedly distributed.
The air-flow for flowing through water conservancy diversion coil structures is connected with 11 space of baffle liner inner sealing cavity by these apertures 13.This
The airflow portion that sample is flowed via through-hole 12 can enter in cavity 11 along aperture 13, and this flowing is so that each aperture 13 can
It is quiet will can be passed back automatically to each aperture 13 in the Hydrostatic Transfer Device of the position to ring seal cavity 11, inside toroidal cavity
Pressure is balanced integrated treatment, is finally reached an integrated value, it can adjusts the degree of unbalancedness of baffle liner circumferential direction static pressure, reduces
Air-flow achievees the effect that noise reduction, referring to fig. 4 in the turbulence of baffle liner circumferential direction.In addition, aperture 13 is connected to closed cavity 11,
Also to increase miniature open-celled structure in 11 body surface of closed cavity, it is empty that the radial turbulence energy of outer ring can be passed into closing
With cavity 11 resonant silencing occurs for chamber in the cavities, that is, uses Helmholtz noise elimination mechanism, reduces pneumatically making an uproar for outer ring air-flow
Sound.
The contour line of aperture 13 is round, ellipse or other round and smooth arcs.Can gas can smoothly enter into this way
In cavity 11.
Specifically, circle body 1 surrounds cavity 11 using at least one piece of arc panel.Arc panel diversion effect is good.
Referring to Fig. 1 and Fig. 2, in the present embodiment, circle body 1 includes the first arc panel 2, second for surrounding cavity 11 and through-hole 12
Arc panel 3 and plate 4.First arc panel 2 forms the inner wall of cavity 11, and the second arc panel 3 forms the outer wall of cavity 11
Face.In Fig. 2, the part of the oval left side of dotted line of air-conditioning panel is referred to as interior to stretch section, round and smooth mistake between this section and plate 4
It crosses.The position of the air side 6 of air-conditioning and axial-flow leaf side 5 is referring to fig. 2.The position of rounding off is illustrated at A.
The enclosure space that first arc panel 2, the second arc panel 3 and 4 three of plate surround is cavity 11, San Zhewei above
At opening be through-hole 12.First arc panel 2 is located at the inside of circle body 1, and the second arc panel 3 is located at the outside of circle body 1, the first arc
Shape plate 2 and 3 rounding off of the second arc panel and sealing；One end and plate 4 far from the second arc panel 3 of first arc panel 2 are round and smooth
Transition and sealing；The one end of second arc panel 3 far from the first arc panel 2 and 4 rounding off of plate and sealing；Wherein, aperture 13
Set on the first arc panel 2.The circle body 1 of this structure, easy to process and installation.In contrast the inside and outside of the present embodiment meaning is
, inside is proximate to 1 center of circle body, and outside is then far from 1 center of circle body.
Referring to fig. 2, the first arc panel 2 and 3 rounding off of the second arc panel and sealing, the first arc panel 2 is far from the second arc
One end of shape plate 3 and 4 rounding off of plate and sealing, one end and plate 4 far from the first arc panel 2 of the second arc panel 3 are round and smooth
Transition and sealing.To section is stretched in baffle liner using rounding off and Seal treatment, the outer sidewind of baffle liner can be guided smooth
It is exported into baffle liner, reduces the vortex in the region, reduce windage, the flow direction of fluid is shown in Figure 3.
Referring to fig. 2, the first arc panel 2 includes the different first segment 21 and second segment 22 of curvature；First segment 21 is located at plate 4
Between second segment 22, aperture 13 is set to first segment 21.This set makes aperture 13 be entirely located in air side, can be effectively reduced
Noise.
Further, the curvature of first segment 21 is greater than the curvature of second segment 22.First segment 21 and 22 intersection of second segment are
Inflection point, aperture 13 are entirely located in first segment 21, aperture 13 can be made to be entirely located in air side in this way, and axis stream can be effectively reduced
Fan noise.
Referring to Fig. 1 and Fig. 2, the second arc panel 3 is constructed such that air-flow can be directed to circle body 1 with 4 junction of plate
Inlet.I.e. in junction rounding off, and the direction of arc meets the requirement of guidance air-flow.
Referring to fig. 2, the second arc panel 3 and 4 junction of plate are arcs, and the trend of arc is towards water conservancy diversion coil structures
Outside, air-flow can be drained at the through-hole 12 of water conservancy diversion coil structures in this way.Water conservancy diversion direction is referring to curved arrow in Fig. 3.
Optionally, the quantity at least two of aperture 13, each aperture 13 along circle body 1 circumferentially.
In the present embodiment, the diameter of aperture 13 is 1mm to 3mm.Due to flowing of the air-flow near baffle liner wall area
Speed is larger, requires to the size of 13 diameter of aperture, and aperture is excessive to be easy to lead to howling because of airflow scouring, and aggravation is pneumatically made an uproar
Sound；Aperture is too small to cause difficulty of processing big, while can also reduce energy transmission into the ability of toroidal cavity, disappears to reduce diffusion
The ability of sound.
In the present embodiment, the distance between two neighboring aperture 13 is 2.5 times to 4 times of 13 diameter of aperture.
A specific embodiment is described below.
Water conservancy diversion coil structures provided in an embodiment of the present invention can increase outer fan delivery, improve heat for the outer machine of domestic air conditioning
Exchange velocity, while smoothing out with the fingers along air-out direction, reduce the novel guide circle of complete machine aerodynamic noise.The water conservancy diversion coil structures include circle body 1.
Circle body 1 includes cavity 11, through-hole 12 and the aperture 13 for being connected to cavity 11 with through-hole 12.The wherein cavity 11 of toroidal cavity,
It is by cantilever elongated segment and after extending out and flexing back into front faceplate of air-conditioner i.e. plate 4, to pass through on the basis of stretching baffle liner in existing
Riveting closing bonding, thus the circular closed cavity around ventilation side formed.Wherein accomplish at bending section and panel riveting
It is smooth excessive as far as possible, in order to which the air-flow in the region effectively can lead into the effective Circulation Area of baffle liner by flexure plane
Domain.
Circle body 1 has air side and inlet side, and inlet side refers to the side that wind directly blows to.Only it is arranged in air side small
Aperture 13, inlet side is not provided with aperture 13, this is because miniature aperture 13 is vertical with baffle liner body structure surface in process,
If the wall body in inlet side processes aperture 13, aperture 13 and flowing to for air-flow are at an acute angle, and air-flow is easy directly to impact micropore
Cause sharp abnormal sound (such as howling), therefore entrance side processing through-hole 12 does not have Noise Reduction.It certainly, also can be by changing
Becoming 13 direction of aperture improves the above problem.
Miniature aperture 13 is the list in the connection fluid circulation space domain inner sealing space of baffle liner interior diameter minimum position
Row or multiple rows of round hole, 13 diameter R1 of aperture are 1~3mm, and pitch of holes is controlled in D1=2.5~4R1.Since air-flow is in baffle liner
Flowing velocity near wall area is larger, needs strict control to the size of bore dia, aperture is excessive to be easy because of airflow scouring
Lead to howling, aggravates aerodynamic noise；The too small difficulty of processing in aperture is big, at the same can also reduce energy transmission into toroidal cavity energy
Power, to reduce the ability that diffusion is eliminated the noise.
Air-flow in circumferential direction, axially and radially can all have different degrees of vortex turbulence after axial-flow leaf does work, due to
Leaf top is done work, and ability is most strong, and maximum in the airflow kinetic energy of leaf top and baffle liner gap area, tubulence energy is also maximum.Using the present invention
The water conservancy diversion coil structures that embodiment provides, airflow portion tubulence energy can be entered in annular housing 11 by aperture 13, be generated in inside
Two kinds of noise elimination effects：One is the large space dissipation by volution energy, reach energy level and reduce and absorb dissipation by wall surface, separately
One is by the logical effect of annular, the circumferential tubulence energy of air-flow is cancelled out each other average, so that it is uniform to reach circumferential kinetic energy, is reduced
The energy of external air flow circumferential flow, so that baffle liner outlet air utmostly be made uniformly forward, to reduce aerodynamic noise.Pass through CFD
Fluid mechanical emulation, the results showed that the external machine performance of the baffle liner has larger effect, and air quantity improves 137m3/ h, Kuanping Terrane
Decline 0.8dB (A).
Above-mentioned technical proposal, baffle liner air side is based on Helmholtz principle and uses through-hole structure, by wall surface air-flow
Radially and circumferentially tubulence energy is introduced in enclosing wall body and is diffused, so that reducing turbulence energy reaches sound absorption effect.
The embodiment of the present invention also provides a kind of axial flow blower, the water conservancy diversion loop knot provided including any technical solution of the present invention
Structure.
The embodiment of the present invention provides a kind of air conditioner again, the axial flow blower provided including any technical solution of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is only the present invention and simplified description for ease of description, rather than indicates or imply signified device
Or element must have a particular orientation, construct and operate for specific orientation, thus should not be understood as in present invention protection
The limitation of appearance.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that：It still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
But these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (11)
1. a kind of water conservancy diversion coil structures, which is characterized in that including circle body (1), the circle body (1) include closed cavity (11) and
Through-hole (12) is equipped with aperture (13) at circle body (1) the diameter minimum, and the aperture (13) will be the cavity (11) and described logical
Hole (12) connection；The aperture (13) is entirely located in the air side of the circle body (1)；Wherein, the fluid in the through-hole (12)
It can be entered via the aperture (13) in the cavity (11)；
The circle body (1) surrounds the cavity (11) using at least one piece of arc panel；
The circle body (1) includes the first arc panel (2), the second arc panel for surrounding the cavity (11) and the through-hole (12)
(3) and plate (4)；First arc panel (2) is located at the inside of the circle body (1), and second arc panel (3) is located at described
The outside of circle body (1), first arc panel (2) and the second arc panel (3) rounding off and sealing；First arc
Plate (2) one end and the plate (4) rounding off and sealing far from second arc panel (3)；Second arc panel (3)
One end and the plate (4) rounding off and sealing far from first arc panel (2)；Wherein, the aperture (13) is set to
First arc panel (2).
2. water conservancy diversion coil structures according to claim 1, which is characterized in that first arc panel (2) includes curvature difference
First segment (21) and second segment (22)；The first segment (21) is between the plate (4) and the second segment (22), institute
Aperture (13) are stated set on the first segment (21).
3. water conservancy diversion coil structures according to claim 2, which is characterized in that the curvature of the first segment (21) is greater than described the
The curvature of two sections (22).
4. water conservancy diversion coil structures according to claim 1, which is characterized in that second arc panel (3) and the plate (4)
Junction is constructed such that air-flow can be directed at the through-hole (12) of the circle body (1).
5. water conservancy diversion coil structures according to claim 1 to 4, which is characterized in that the quantity of the aperture (13) is at least
Two, each aperture (13) along the circle body (1) circumferentially.
6. water conservancy diversion coil structures according to claim 1 to 4, which is characterized in that the diameter of the aperture (13) is 1mm
To 3mm.
7. water conservancy diversion coil structures according to claim 1 to 4, which is characterized in that between the two neighboring aperture (13)
Distance be 2.5 times to 4 times of the aperture (13) diameter.
8. water conservancy diversion coil structures according to claim 1 to 4, which is characterized in that the contour line of the aperture (13) is circle
Shape or ellipse.
9. water conservancy diversion coil structures according to claim 1 to 4, which is characterized in that the axis of the aperture (13) perpendicular to
Circle body (1) surface of aperture (13) position.
10. a kind of axial flow blower, which is characterized in that including any water conservancy diversion coil structures of claim 1-9.
11. a kind of air conditioner, which is characterized in that including axial flow blower described in any one of claim 10.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917189.XA CN106321520B (en) | 2016-10-20 | 2016-10-20 | Water conservancy diversion coil structures, axial flow blower and air conditioner |
| EP17862279.1A EP3530961B1 (en) | 2016-10-20 | 2017-10-16 | Flow guiding ring structure, axial flow fan and air-conditioner |
| PCT/CN2017/106279 WO2018072664A1 (en) | 2016-10-20 | 2017-10-16 | Flow guiding ring structure, axial flow fan and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610917189.XA CN106321520B (en) | 2016-10-20 | 2016-10-20 | Water conservancy diversion coil structures, axial flow blower and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321520A CN106321520A (en) | 2017-01-11 |
| CN106321520B true CN106321520B (en) | 2018-11-23 |
Family
ID=57819162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610917189.XA Active CN106321520B (en) | 2016-10-20 | 2016-10-20 | Water conservancy diversion coil structures, axial flow blower and air conditioner |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3530961B1 (en) |
| CN (1) | CN106321520B (en) |
| WO (1) | WO2018072664A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321520B (en) * | 2016-10-20 | 2018-11-23 | 珠海格力电器股份有限公司 | Water conservancy diversion coil structures, axial flow blower and air conditioner |
| CN108488103A (en) * | 2018-06-26 | 2018-09-04 | 杭州老板电器股份有限公司 | Denoising device, wind turbine and kitchen ventilator |
| CN108869361B (en) * | 2018-07-26 | 2023-12-26 | 珠海格力电器股份有限公司 | Axial flow fan |
| CN110873074B (en) * | 2018-08-31 | 2023-07-18 | 日立江森自控空调有限公司 | Wind-guiding circle and fan |
| CN109210013B (en) * | 2018-11-30 | 2020-11-27 | 泛仕达机电股份有限公司 | Noise reduction type fan air guide ring and fan comprising same |
| CN109667795B (en) * | 2019-02-28 | 2024-03-19 | 青岛海信日立空调系统有限公司 | Fan current collector, centrifugal fan and air conditioning system |
| US10947991B2 (en) | 2019-03-15 | 2021-03-16 | Deere & Company | Fan shroud |
| CN109882452B (en) * | 2019-04-15 | 2020-11-06 | 上海交通大学 | Acoustic cut-off-based cooling fan noise reduction device and method thereof |
| CN110420560A (en) * | 2019-08-14 | 2019-11-08 | 江苏科技大学 | A kind of SCR system reactor guiding device peculiar to vessel |
| CN111288562A (en) * | 2020-03-30 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Flow guide ring and air conditioner |
| DE102020113962A1 (en) | 2020-05-25 | 2021-11-25 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Inlet nozzle for a turbo machine and turbo machine |
| CN113729535B (en) * | 2020-05-27 | 2023-09-08 | 厦门优胜卫厨科技有限公司 | Drying device of electronic toilet |
| CN112833049B (en) * | 2021-01-11 | 2022-11-18 | 泛仕达机电股份有限公司 | Flow collector and centrifugal fan for eliminating squeaking |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2028985A (en) * | 1932-05-25 | 1936-01-28 | Clarence A Mahon | Fan |
| GB785501A (en) * | 1954-12-22 | 1957-10-30 | Licencia Talalmanyokat | Improvements relating to a fan provided with a diffuser |
| CN102418715A (en) * | 2011-12-09 | 2012-04-18 | 广东美的电器股份有限公司 | Axial flow wind wheel |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2911236B2 (en) * | 1991-02-21 | 1999-06-23 | 松下電器産業株式会社 | Blower |
| JP3084790B2 (en) * | 1991-06-18 | 2000-09-04 | ダイキン工業株式会社 | Propeller fan |
| US6623239B2 (en) * | 2000-12-13 | 2003-09-23 | Honeywell International Inc. | Turbocharger noise deflector |
| JP2002371998A (en) * | 2001-06-19 | 2002-12-26 | Sanyo Electric Co Ltd | Blower |
| CN201259294Y (en) * | 2008-07-22 | 2009-06-17 | 珠海格力电器股份有限公司 | Deflector ring and air conditioner with the deflector ring |
| CN202547038U (en) * | 2012-04-23 | 2012-11-21 | 珠海格力电器股份有限公司 | Flow guide ring of air conditioner |
| CN102767541B (en) * | 2012-07-04 | 2015-10-28 | 宁波方太厨具有限公司 | A kind of noise reduction afflux circle and use the kitchen ventilator of this afflux circle |
| TWI525257B (en) * | 2012-07-11 | 2016-03-11 | Jaguar Prec Industry Co Ltd | Ceiling fan |
| CN202789746U (en) * | 2012-07-16 | 2013-03-13 | 广东美的暖通设备有限公司 | Guide ring and air conditioner with same |
| CN203023138U (en) * | 2012-11-09 | 2013-06-26 | 珠海格力电器股份有限公司 | Flow guiding ring, fan system shell and upper air-out air conditioning unit |
| CN204880627U (en) * | 2015-06-25 | 2015-12-16 | 珠海格力电器股份有限公司 | Water conservancy diversion circle subassembly, axial fan and air conditioner |
| CN204880603U (en) * | 2015-07-31 | 2015-12-16 | 广东美的制冷设备有限公司 | Machine in wind -guiding circle and air conditioning |
| CN106016651A (en) * | 2016-06-23 | 2016-10-12 | 珠海格力电器股份有限公司 | Flow deflecting ring, air supply assembly and air conditioner |
| CN106321520B (en) * | 2016-10-20 | 2018-11-23 | 珠海格力电器股份有限公司 | Water conservancy diversion coil structures, axial flow blower and air conditioner |
-
2016
- 2016-10-20 CN CN201610917189.XA patent/CN106321520B/en active Active
-
2017
- 2017-10-16 WO PCT/CN2017/106279 patent/WO2018072664A1/en unknown
- 2017-10-16 EP EP17862279.1A patent/EP3530961B1/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2028985A (en) * | 1932-05-25 | 1936-01-28 | Clarence A Mahon | Fan |
| GB785501A (en) * | 1954-12-22 | 1957-10-30 | Licencia Talalmanyokat | Improvements relating to a fan provided with a diffuser |
| CN102418715A (en) * | 2011-12-09 | 2012-04-18 | 广东美的电器股份有限公司 | Axial flow wind wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3530961A4 (en) | 2020-06-10 |
| EP3530961B1 (en) | 2024-01-03 |
| EP3530961A1 (en) | 2019-08-28 |
| CN106321520A (en) | 2017-01-11 |
| WO2018072664A1 (en) | 2018-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106321520B (en) | Water conservancy diversion coil structures, axial flow blower and air conditioner | |
| CN210601907U (en) | Air conditioner | |
| CN111912015B (en) | Vertical air conditioner indoor unit | |
| EP2270338B1 (en) | Blower and heat pump device using same | |
| CN105526691B (en) | Wind guiding component and axis stream cabinet-type air conditioner | |
| WO2019057040A1 (en) | Air conditioner indoor unit | |
| US9242529B2 (en) | Ventilation device | |
| CN207922328U (en) | Spiral case and kitchen ventilator | |
| CN110219828B (en) | Volute of centrifugal fan, centrifugal fan and electrical apparatus | |
| KR20150136935A (en) | Centrifugal fan | |
| CN211975497U (en) | Fluid director, fan subassembly and electrical apparatus | |
| CN111075756A (en) | Fan, guide plate, heating furnace and microwave heating device | |
| CN210122958U (en) | Centrifugal fan and electric appliance | |
| CN217785377U (en) | Patient ventilation system, medical imaging system enclosure and medical imaging system | |
| CN112113322A (en) | Air outlet assembly and air conditioner | |
| CN217817064U (en) | Machine and air conditioning system in new trend module, air conditioning | |
| CN208238071U (en) | Air-conditioner outdoor unit and air conditioner | |
| CN216769586U (en) | Air duct structure and air conditioner | |
| CN214791564U (en) | Novel noise-reduction guide ring, fan assembly with same and air conditioner | |
| CN211233301U (en) | Air outlet mechanism and air conditioner | |
| CN110206759A (en) | Air inlet ring and volute for range hood and range hood | |
| CN109139570A (en) | Air-inlet grille and fan | |
| CN215336772U (en) | Air conditioner outer unit casing and air conditioner outer unit | |
| CN210122967U (en) | Volute of centrifugal fan, centrifugal fan and electrical apparatus | |
| CN211924536U (en) | Volute structure and fan |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |