CN110259728A - Fan component - Google Patents
Fan component Download PDFInfo
- Publication number
- CN110259728A CN110259728A CN201910462621.4A CN201910462621A CN110259728A CN 110259728 A CN110259728 A CN 110259728A CN 201910462621 A CN201910462621 A CN 201910462621A CN 110259728 A CN110259728 A CN 110259728A
- Authority
- CN
- China
- Prior art keywords
- flow
- guiding structure
- opening
- fan component
- fan
- 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.)
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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
- F04D29/40—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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of fan component, comprising: a fan frame, with a roof and the opening for being opened in the roof；One impeller is set in the fan frame, has an air intake vent；And a pod, it is set to the opening of the fan frame, which includes: a top, is located on the roof of the fan frame, which has one first to be open；Side wall portion extends and protrudes into the air intake vent of the impeller from the top；And a flow-guiding structure, the top is set to corresponding to first opening；Vertically, the projection of the flow-guiding structure on the pod is located in the drop shadow spread of the impeller；Wherein, which is multiple discontinuous protrusions, and is arranged at intervals at the top.
Description
Technical field
The present invention relates to a kind of fan component, in particular to a kind of fan component.
Background technique
In the case where the efficiency that air transports considers, general existing fan by taking centrifugal fan as an example, can arrange in pairs or groups at its inlet air into
Compression ring is subject to water conservancy diversion, but since this air inlet ring can cause several degree to the efficiency of air transport and the sound of fan running
It influences.Under conventional practice, this air inlet ring can be fabricated to the geometry kenel such as cone cell, then through the size for changing air inlet ring portion part
To adjust the efficiency and noise of fan.However, this practice not only cannot be considered in terms of the optimum efficiency of fan itself and inhibit noise, and
And major part can change its curvature, angle or depth to adjust and improve, this measure also will cause the manufacture difficulty of air inlet ring to increase.
Summary of the invention
In view of the above subject, it is an object of the present invention to provide a kind of fan components, can be by easy structural improvement, i.e.,
The efficiency of fan component itself can be kept, while the noise problem generated by flow field can be improved again.
In order to achieve the above object, a kind of fan component according to the present invention, comprising: a fan frame has a roof and is opened in
One opening of the roof；One impeller is set in the fan frame, has an air intake vent；And a pod, it is set to the fan frame
The opening, the pod include: a top, are located on the roof of the fan frame, which has one first opening；One side wall
Portion extends and protrudes into the air intake vent of the impeller from the top；And a flow-guiding structure, the top is set to corresponding to first opening
Portion；Vertically, the projection of the flow-guiding structure on the pod is located in the drop shadow spread of the impeller；Wherein, the water conservancy diversion knot
Structure is multiple discontinuous protrusions, and is arranged at intervals at the top.
In order to achieve the above object, a kind of fan component according to the present invention, comprising: a fan frame has a roof and is opened in
One opening of the roof；One impeller is set in the fan frame, has an air intake vent；And a pod, it is set to the fan frame
The opening, the pod include: a top, are located on the roof of the fan frame, which has one first opening；One side wall
Portion extends and protrudes into the air intake vent of the impeller from the top；And a flow-guiding structure, the top is set to corresponding to first opening
Portion；Vertically, the projection of the flow-guiding structure on the pod is located in the drop shadow spread of the impeller；Wherein, the water conservancy diversion knot
Structure is to be set to the top with add mode outside accessory.
From the above, fan component of the invention, since pod has flow-guiding structure, and flow-guiding structure is set to top
Portion, and be arranged along the periphery of the first opening (air intake vent), so that flow-guiding structure can make water conservancy diversion to radial velocity field, to reduce noise
Generation.In addition, the setting of flow-guiding structure can also directly affect the air-flow of pod Yu impeller lap position, and then reduce side wall
The negative pressure that portion is born, with change water conservancy diversion cover in fan component operating when flow field state, also can noise-decreasing formation.And more
Importantly, the setting of flow-guiding structure can reach simultaneously in the case where not influencing the static pressure-air quantity characteristic of fan component itself
The effect of reducing noise.
Detailed description of the invention
Figure 1A is a kind of decomposition diagram of fan component of one embodiment of the invention.
Figure 1B is the combination diagram of fan component shown in figure 1A.
Fig. 1 C is the diagrammatic cross-section of fan component shown in Figure 1B.
Fig. 2A is the enlarged diagram of pod shown in figure 1A.
Fig. 2 B is the line A-A diagrammatic cross-section of pod shown in Fig. 2A.
Fig. 3 is the schematic diagram of the pod of another embodiment of the present invention.
Fig. 4 is the schematic diagram of the pod of further embodiment of this invention.
Fig. 5 is the diagrammatic cross-section of the pod of further embodiment of this invention.
Wherein, the reference numerals are as follows:
2: fan component
21: fan frame
211: opening
22: impeller
23,23a, 23b, 23c: pod
131,232,232a: sidewall portion
231,231a, 231b, 231c: top
233,233a, 233b, 233c: flow-guiding structure
C1, C2: protrusion
O: the first opening
A-A: hatching
F: radial velocity field
D1: maximum gauge
D2: minimum diameter
D3: diameter
H: height
I: distance
Specific embodiment
Hereinafter with reference to correlative type, illustrate a kind of fan component and pod according to present pre-ferred embodiments, wherein
Identical component will be illustrated with identical reference marks.
Figure 1A is a kind of decomposition diagram of fan component of one embodiment of the invention, and Figure 1B is fan group shown in figure 1A
The combination diagram of part, Fig. 1 C are the diagrammatic cross-section of fan component shown in Figure 1B, be please also refer to shown in Figure 1A to Fig. 1 C.
The fan component 2 of the present embodiment includes a fan frame 21, an impeller 22 and a pod 23.Wherein fan frame 21 has an opening
211, impeller 22 is set to 21 inside of fan frame, and pod 23 is set to the opening 211 of fan frame 21, i.e. pod 23 corresponds to and opens
Mouth 211 is set to the outside of fan frame 21.In addition, as shown in Figure 1 C, pod 23 and the setting position of impeller 22 partly overlap.Into
For it, pod 23 is a cricoid structure comprising a top 231, side wall portion 232 and a flow-guiding structure 233.Wherein
Top 231 is located on the periphery (please referring to shown in Figure 1A) of opening 211, and forms one first opening O, i.e. top 231 has the
One opening O.Sidewall portion 232 is extended from top 231, that is, sidewall portion 232 from top 231 toward fan frame 21 inside direction prolong
It stretches.
In this present embodiment, the first opening O is the inlet air being guided into the air outside fan frame 21 inside fan frame 21
Mouthful.Furthermore, after the top 231 of the pod 23 of the present embodiment is set to the periphery of opening 211, since pod 23 is ring
The structure of shape, therefore its hollow space corresponds to opening 211, and the hollow space of pod 23 and opening 211 are collectively formed first
Be open O, the as air intake vent of fan component 2.And pod 23 from top 231 toward fan frame 21 inside direction extend structure,
The extraneous air-flow of fan frame 21 can be guided more swimmingly to enter inside fan frame 21, for the use of impeller 22.
Fig. 2A is the enlarged diagram of pod shown in figure 1A, and Fig. 2 B is the line A-A section of pod shown in Fig. 2A
Schematic diagram please also refer to Fig. 2A and Fig. 2 B and arrange in pairs or groups shown in Figure 1B.In addition, flow-guiding structure 233 corresponds to the first opening O setting
In top 231.In other words, flow-guiding structure 233 is set to top 231, and is arranged along the periphery of the first opening O.Due to water conservancy diversion
Structure 23 corresponds to the first opening O setting, so that flow-guiding structure 23 can make water conservancy diversion (please referring to shown in Fig. 2 B) to radial velocity field F,
To reduce the generation of noise.Preferably, flow-guiding structure 233 is set to top 231 at the first opening O, and in other words, water conservancy diversion knot
Structure 233 is positioned adjacent to the position of sidewall portion 232.
In this present embodiment, flow-guiding structure 233 is a continuous protrusion, as cricoid bulge-structure, however, of the invention
Do not limit the section shape of flow-guiding structure 233 (protrusion), can such as, but not limited to it is round, partially circular, polygonal or arbitrarily not
Regular shape, it is only necessary to which, from the structure of 231 protrusion of top, invention is not limited thereto.Preferably, the height of flow-guiding structure 233 is situated between
In 0.5mm between 20mm.However, the difference according to 23 size of pod, the preferred height of flow-guiding structure 233 is also not
Together, it for and according to preferred proportion, please refers to shown in Fig. 1 C, the height H (such as Fig. 2 B) of flow-guiding structure 233 corresponds to the first opening O
Maximum dimension D 1 (such as Fig. 1 C) ratio (H/D1) between 0.002 to 0.06.In addition, the height H of flow-guiding structure 233
(such as Fig. 2 B) corresponds to the ratio (H/D2) of the minimum diameter D2 (such as Fig. 1 C) of opening between 0.001 to 0.07.Yu Benshi
It applies in example, the maximum dimension D 1 of the first opening O, usually the boundary position at top 231 and sidewall portion 232, or can be described as side wall
The initial position extended from top 231 in portion 232；And the minimum diameter D2 of the first opening O, the i.e. minimum diameter of sidewall portion 232.
In other embodiments, Fig. 3 is the schematic diagram of the pod of another embodiment of the present invention, is please referred to shown in Fig. 3.This
The flow-guiding structure 233a of the pod 23a of embodiment is made of multiple discontinuous protrusion C1, i.e., by the interval multiple protrusion C1
Top 231a is set to collectively constitute a flow-guiding structure 233a.In this present embodiment, flow-guiding structure 233a is by four protrusion C1
It is spaced apart from each other setting to be formed, certainly, the present invention does not limit the quantity of protrusion C1.And preferably, as shown in figure 3, each protrusion C1
Length be greater than the adjacent two protrusions interval C1 distance I, wherein the length of protrusion C1 is the arc length of protrusion C.In other words, this hair
It is bright not limit the quantity and length for constituting the protrusion C1 of flow-guiding structure 233a, the distance I at the adjacent two protrusions interval C1 is not also limited,
It only needs the length for meeting protrusion C1 to be greater than the distance I at the adjacent two protrusions interval C1, that is, can reach the effect for preferably inhibiting noise.
Fig. 4 is the schematic diagram of the pod of further embodiment of this invention, is please referred to shown in Fig. 4.The pod of the present embodiment
23b, flow-guiding structure 233b are also multiple discontinuous protrusion C2, and protrusion C2 is staggered in top 231b, and formation does not connect
Continuous flow-guiding structure 233b.Specifically, the protrusion C2 being staggered described in the present embodiment refers to that at least one set of adjacent two are convex
Portion C2 is not identical at a distance from the first opening O, and the present invention does not limit its form being staggered.
In addition, the present invention does not also limit the manufacture of pod 23, can be integrally formed or the side additional with accessory
Formula preparation.For in a manner of integrally formed, through the design of mold, while pod 23 forms, while in top
231 form flow-guiding structure 233 (233a, 233b).For the additional mode of accessory, refers to and be initially formed without flow-guiding structure 233
Pod 23, and flow-guiding structure 233 separately with the additional mode of accessory be set to top 231, wherein flow-guiding structure 233 can stick
Attached or sealed mode is fixed on top 231.Fig. 5 is the diagrammatic cross-section of the pod of further embodiment of this invention, such as Fig. 5 institute
Show, the pod 23c of the present embodiment, flow-guiding structure 233c are set to top 231c, and flow-guiding structure in a manner of accessory
233c is preferably a cyclic structure, and flow-guiding structure 233c is made quite can advantageously to attach to top 231c at the first opening O
(please arrange in pairs or groups shown in Figure 1B).In addition, the section of the flow-guiding structure 233c of the present embodiment is one round, and the circular diameter D3 is situated between
In 0.5mm between 20mm.Certainly, in other embodiments, as previously mentioned, the section of flow-guiding structure 233c also can be other shapes
Shape, height is preferably between 0.5mm between 20mm.
Since flow-guiding structure 233 is set to top 231, and it is arranged along the periphery of the first opening O, in addition to may make water conservancy diversion
Structure 23 makees water conservancy diversion (as shown in Figure 2 B) to radial velocity field F, and can also directly affect pod 23 and 22 lap position of impeller (please join
Examine shown in Fig. 1 C) air-flow velocity, by reducing the negative pressure born of sidewall portion 232, with the formation of noise-decreasing.The present embodiment
Fan component 2, the raised flow-guiding structure 233 of pod 23 will not influence the whole static pressure-air quantity of fan component 2
Characteristic, that is, the efficiency of the operating of fan component 2 is not influenced.In addition, the raised flow-guiding structure 233 of pod 23 of the invention
Under the case where will not influence static pressure-air quantity characteristic of 2 entirety of fan component, while it can reach reduction noise again, and inhibit
The effect of noise generates.
In conclusion fan component of the invention, since pod has flow-guiding structure, and flow-guiding structure is set to top
Portion, and be arranged along the periphery of the first opening (air intake vent), so that flow-guiding structure can make water conservancy diversion to radial velocity field, to reduce noise
Generation.In addition, the setting of flow-guiding structure can also directly affect the air-flow of pod Yu impeller lap position, and then reduce side wall
The negative pressure that portion is born can also lower because of noise caused by flow field.And importantly, the setting of flow-guiding structure can be in not shadow
In the case where the static pressure-air quantity characteristic for ringing fan component itself, while reaching the effect of reducing noise.
The foregoing is merely illustratives, rather than are restricted person.It is any without departing from spirit and scope of the invention, and to it
The equivalent modifications or change of progress, are intended to be limited solely by the scope of which is defined in the appended claims.
Claims (19)
1. a kind of fan component, comprising:
One fan frame, with a roof and the opening for being opened in the roof；
One impeller is set in the fan frame, has an air intake vent；And
One pod, is set to the opening of the fan frame, which includes:
One top, is located on the roof of the fan frame, which has one first opening；
Side wall portion extends and protrudes into the air intake vent of the impeller from the top；And
One flow-guiding structure is set to the top corresponding to first opening；
Vertically, the projection of the flow-guiding structure on the pod is located in the drop shadow spread of the impeller；
Wherein, which is multiple discontinuous protrusions, and is arranged at intervals at the top.
2. fan component as described in claim 1, wherein the flow-guiding structure is set to neighbouring first opening in the top.
3. fan component as described in claim 1, wherein the multiple protrusion is staggered in the top.
4. fan component as described in claim 1, wherein the length of each protrusion is greater than the distance at adjacent two protrusion interval.
5. fan component as described in claim 1, wherein the height of the flow-guiding structure is between 0.5mm between 20mm.
6. fan component as described in claim 1, wherein the height of the flow-guiding structure corresponds to the maximum of first opening directly
The ratio of diameter is between 0.002 to 0.06.
7. fan component as described in claim 1, wherein the section shape of the flow-guiding structure is round, partially circular, polygonal
Or any irregular shape.
8. fan component as described in claim 1, wherein the flow-guiding structure is integrally formed with the pod, or with accessory
Outer add mode is set to the top.
9. a kind of fan component, comprising:
One fan frame, with a roof and the opening for being opened in the roof；
One impeller is set in the fan frame, has an air intake vent；And
One pod, is set to the opening of the fan frame, which includes:
One top, is located on the roof of the fan frame, which has one first opening；
Side wall portion extends and protrudes into the air intake vent of the impeller from the top；And
One flow-guiding structure is set to the top corresponding to first opening；
Vertically, the projection of the flow-guiding structure on the pod is located in the drop shadow spread of the impeller；
Wherein, which is to be set to the top with add mode outside accessory.
10. fan component as claimed in claim 9, wherein the flow-guiding structure is set to neighbouring first opening in the top.
11. fan component as claimed in claim 9, wherein the flow-guiding structure is a continuous protrusion.
12. fan component as claimed in claim 11, wherein the protrusion is a cyclic structure.
13. fan component as claimed in claim 9, wherein the flow-guiding structure is multiple discontinuous protrusions, and is spaced setting
In the top.
14. fan component as claimed in claim 13, wherein the multiple protrusion is staggered in the top.
15. fan component as claimed in claim 13, wherein the length of each protrusion is greater than the distance at adjacent two protrusion interval.
16. fan component as claimed in claim 9, wherein the height of the flow-guiding structure is between 0.5mm between 20mm.
17. fan component as claimed in claim 9, wherein the height of the flow-guiding structure corresponds to the maximum of first opening directly
The ratio of diameter is between 0.002 to 0.06.
18. fan component as claimed in claim 9, wherein the height of the flow-guiding structure corresponds to the diameter of first opening
Ratio is between 0.001 to 0.07.
19. fan component as claimed in claim 9, wherein the section shape of the flow-guiding structure is round, partially circular, polygonal
Or any irregular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910462621.4A CN110259728A (en) | 2013-10-22 | 2013-10-22 | Fan component |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310499752.2A CN104564840A (en) | 2013-10-22 | 2013-10-22 | Air fan component and flow-guide cover thereof |
| CN201910462621.4A CN110259728A (en) | 2013-10-22 | 2013-10-22 | Fan component |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310499752.2A Division CN104564840A (en) | 2013-10-22 | 2013-10-22 | Air fan component and flow-guide cover thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110259728A true CN110259728A (en) | 2019-09-20 |
Family
ID=53081685
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462621.4A Pending CN110259728A (en) | 2013-10-22 | 2013-10-22 | Fan component |
| CN201310499752.2A Pending CN104564840A (en) | 2013-10-22 | 2013-10-22 | Air fan component and flow-guide cover thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310499752.2A Pending CN104564840A (en) | 2013-10-22 | 2013-10-22 | Air fan component and flow-guide cover thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110259728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309717A (en) * | 2020-02-26 | 2021-08-27 | 神讯电脑(昆山)有限公司 | Fan assembly and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11324991A (en) * | 1998-05-20 | 1999-11-26 | Japan Servo Co Ltd | Casing of centrifugal fan |
| CN1502820A (en) * | 2002-11-21 | 2004-06-09 | 乐金电子(天津)电器有限公司 | Turbine fan |
| US20070041831A1 (en) * | 2005-08-18 | 2007-02-22 | Siemens Vdo Automotive Inc. | Low-noise HVAC blower assembly |
| CN202468485U (en) * | 2012-03-23 | 2012-10-03 | 珠海格力电器股份有限公司 | Noise reduction mechanism, fan blade with noise reduction mechanism and air conditioner with fan blade |
| CN202883470U (en) * | 2012-09-24 | 2013-04-17 | 浙江苏泊尔家电制造有限公司 | Fan structure of noise-reduction type extractor hood |
-
2013
- 2013-10-22 CN CN201910462621.4A patent/CN110259728A/en active Pending
- 2013-10-22 CN CN201310499752.2A patent/CN104564840A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11324991A (en) * | 1998-05-20 | 1999-11-26 | Japan Servo Co Ltd | Casing of centrifugal fan |
| CN1502820A (en) * | 2002-11-21 | 2004-06-09 | 乐金电子(天津)电器有限公司 | Turbine fan |
| US20070041831A1 (en) * | 2005-08-18 | 2007-02-22 | Siemens Vdo Automotive Inc. | Low-noise HVAC blower assembly |
| CN202468485U (en) * | 2012-03-23 | 2012-10-03 | 珠海格力电器股份有限公司 | Noise reduction mechanism, fan blade with noise reduction mechanism and air conditioner with fan blade |
| CN202883470U (en) * | 2012-09-24 | 2013-04-17 | 浙江苏泊尔家电制造有限公司 | Fan structure of noise-reduction type extractor hood |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309717A (en) * | 2020-02-26 | 2021-08-27 | 神讯电脑(昆山)有限公司 | Fan assembly and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564840A (en) | 2015-04-29 |
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