CN205207262U - Fan wheel for air purifier - Google Patents
Fan wheel for air purifier Download PDFInfo
- Publication number
- CN205207262U CN205207262U CN201520950957.2U CN201520950957U CN205207262U CN 205207262 U CN205207262 U CN 205207262U CN 201520950957 U CN201520950957 U CN 201520950957U CN 205207262 U CN205207262 U CN 205207262U
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- CN
- China
- Prior art keywords
- guide plate
- drainage piece
- air cleaner
- rubber shock
- draught 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a fan wheel for air purifier has mainly solved the problem of the great and easy oscillation generation of general fan wheel for air purifier when operation noise. It includes the water conservancy diversion piece, fixes the fan mount pad on water conservancy diversion piece top, cup joint rim plate on the water conservancy diversion piece sets up with even a plurality of drainage pieces of rim plate upper surface, be equipped with the mounting hole that is used for installing blower rotor, its characterized in that in the fan machine mount pad: the impeller still includes rubber shock absorber cover and end cover for the air purifier. The utility model has the advantages of vibrating little, noise, low and the power consumption low grade is a great deal of.
Description
Technical field
The utility model relates to fan technology field, particularly relates to a kind of air cleaner draught fan impeller.
Background technique
Air cleaning unit, refer to and can adsorb, decompose or transform various air pollutant, comprise dust, peculiar smell etc., the product of effective raising air cleanliness, along with the raising of people's quality of life, increasing family brings into use air cleaning unit, the indoor especially after finishing and the more office of personnel, air-conditioned room.Existing market has the air cleaner of numerous species, and existing air cleaner adopts blower fan suction indoor air, first filters then by the negative ion in machine and ozonizer virus killing.
Therefore, in air cleaner, blower fan is the power source of air cleaner, and its operation conditions directly affects the performance of air purifier system.Along with the raising required air cleaner, meet the prerequisite of air quantity at blower fan under, more and more stricter to the requirement of its noise.The flabellum of the air cleaner of prior art is due to structural design and material, and noise when causing air cleaner to run is comparatively large, once fan operation speed also can produce comparatively greatly vibration sense, causes certain influence to people's comfortable feel.
Therefore how the structure of air cleaner draught fan impeller is carried out to research and the optimization of a dark step, make its noise lower and vibrate little, the problem making those skilled in the art urgently to be resolved hurrily.
Model utility content
Main purpose of the present utility model be to provide a kind of vibrate little, noise is low and consume energy air cleaner draught fan impeller low.
For reaching above object, the technical solution adopted in the utility model is: a kind of air cleaner draught fan impeller, comprise guide plate, be fixed on the assembling seat on described guide plate top, be socketed in the wheel disc on described guide plate and be evenly arranged on some drainage pieces of described wheel disc upper surface, the mounting hole for installing fan shaft is provided with in described assembling seat, it is characterized in that: described air cleaner impeller also comprises rubber shock-absorbing sleeve and end cap, described rubber shock-absorbing sleeve is fixed on the top outer of described drainage piece, described end cap is socketed in described rubber shock-absorbing and puts, described drainage piece is plane away from described guide plate side, described drainage piece is by the arc shape of lateral inner bulge near described guide plate side, described drainage piece side opening is provided with multiple noise reduction through hole, described drainage piece adopts carbon fiber reinforced composite material to make.Rubber shock-absorbing sleeve is fixed on outside drainage piece, decreases the vibration that drainage piece produces in movement process; End cap can increase the stability of air intake, and noise when impeller is run is less; Wherein the setting of noise reduction through hole makes fraction flow to opposite side from the side of blade, and boundary layer is changed, and reduces size and the turbulence intensity of blade separated region, reaches the effect reducing noise; Carbon fiber reinforced composite material alleviates blower fan weight, corrosion-and high-temp-resistant, consumes energy also lower.
Preferably, the density of described noise reduction through hole is successively decreased from inside to outside gradually.Find according to simulation analysis of computer, the turbulence level of impeller inner edge is much larger than the turbulence level in blade outer rim flow field, and the strong turbulent flow in flow field can present strong unstability, thus noise can be caused, and the density of noise reduction through hole is successively decreased and is beneficial to reduction noise from inside to outside gradually.
As preferably, described drainage piece top offers inclined-plane, and described inclined-plane extends internally.Such design can improve leeway and drift, improves wind flow, thus the distinguished and admirable sound reduced when impeller runs and noise.
As preferred scheme, described drainage piece top outer offers the cambered surface of indent, and described rubber shock-absorbing sleeve is fixed in described cambered surface.Drainage piece is offered cambered surface and is fixed for rubber shock-absorbing sleeve, and rubber shock-absorbing sleeve can absorb vibration, and such structure is firm.
With improvement, described guide plate be funnel-like and top towards described end cap opening, be provided with the edge, the end for the socket of described wheel disc bottom described guide plate.Funnelform key benefit is wind energy is flowed enough fast, reduces noise.
Compared with prior art, the utility model has the advantage of: the improvement of drainage piece structure and material, decreases resistance of air, make it have good mechanical property, consume energy lower; The setting of rubber shock-absorbing sleeve reduces the vibration of blower fan, and stability improves further; The setting of noise reduction through hole, reduces size and the turbulence intensity of blade separated region, reaches the effect reducing noise.
Accompanying drawing explanation
Fig. 1 is the perspective view of the utility model embodiment;
Fig. 2 is the sectional view in the utility model embodiment;
Fig. 3 is the plan view in the utility model embodiment;
Fig. 4 is the guide plate in the utility model embodiment and the relative artwork of assembling seat;
Fig. 5 is the drainage piece perspective view in the utility model embodiment;
Fig. 6 is the schematic diagram of the drainage piece cross section in the utility model embodiment.
Embodiment
Parts due to various example disclosed herein can be oriented to multiple different orientation, and direction term is only for illustration of object, and also not intended to be limits.It should also be understood that, example shown in accompanying drawing and being used for herein describes its language-specific and not intended to be limiting the scope of the present disclosure, the modification of feature herein and further amendment and herein shown in the additional application of principle should be considered as falling in the scope of the present disclosure.
As shown in Figures 1 to 6, the air cleaner impeller of the present embodiment comprises wheel disc 6, guide plate 5, assembling seat 4, some drainage pieces 3, rubber shock-absorbing sleeve 2 and end cap 1.Wheel disc 6 is fixed on the end of guide plate 5 along on 51 with socket form, some drainage pieces 3 are fixed on the upper surface of wheel disc 6 with the form pressed, press and contribute to drainage piece and fix, avoid, in running, obscission occurs, wherein drainage piece 3 is centered by the center of circle of wheel disc 6, and uniform ring is around being distributed in wheel disc 6 circumferentially.Drainage piece 3 top outer offers the cambered surface 31 of indent, thus make rubber shock-absorbing sleeve 2 be fixed on the cambered surface 31 of indent, end cap 1 is socketed on rubber shock-absorbing sleeve 2, rubber shock-absorbing sleeve 2 decreases the vibration that drainage piece 3 produces in rotation process, increase the stability of air intake, noise when impeller is run is less, also improves the working life of drainage piece 3 simultaneously.Assembling seat 4 is fixed on the top 52 of guide plate 5, the mounting hole 41 for installing wind shaft is also provided with in assembling seat 4, mounting hole 41 is shoulder hole, such structure has guide function, ensure the coaxality of blower fan and impeller, and when making to install, the endoporus of mounting hole 41 can not come to harm.
The noise that blower fan produces mainly acts on caused by blade because eddy current separation appears in blade air outlet port, and before blade, any large scale turbulent flow is by additional for generation pulsation, thus noise radiation is obviously increased.In order to reduce the turbulence noise of blower fan, the present embodiment takes the method to blower fan drainage piece 3 leaving noise reduction through hole 32.Blower fan work drainage piece 3 outlet port creates eddy current and is separated because of turbulent flow, form separation zone, the method offering noise reduction through hole 32 makes fraction flow to opposite side from side, thus the liquid speed distribution in boundary layer is changed, fluid in boundary layer obtains new kinetic energy and overcomes surface friction drag, impel separation point to move to drainage piece 3 air flow outlet, thus decrease size and the turbulence intensity of the separation zone of drainage piece 3 air flow outlet, reach the effect reducing noise.Wherein boundary layer refers to air-flow at blade surface because one deck that the impact of stickiness own produces flows fluid layer slowly.And find according to simulation analysis of computer, the turbulence level of impeller inner edge is much larger than the turbulence level in outer rim flow field, and the strong turbulent flow in flow field can present strong unstability, thus can cause noise, therefore designing the density of noise reduction through hole 32 from successively decreasing gradually from inside to outside, being beneficial to reduction noise.
In order to improve performance, drainage piece 3 adopts carbon fiber reinforced composite material to make, and not only alleviate blower fan weight, go back corrosion-and high-temp-resistant, combination property is good.Drainage piece 3 top offers inclined-plane 33, and inclined-plane 33 extends internally, and such design can improve leeway and drift, improves wind flow, thus the distinguished and admirable sound reduced when air cleaner draught fan impeller runs and noise; Drainage piece 3 is plane away from guide plate 5 side, and near guide plate 5 side in the arc shape by lateral inner bulge, its benefit resides in reduced resistance of air, accelerates air and departs from drainage piece 3.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (5)
1. an air cleaner draught fan impeller, comprise guide plate, be fixed on the assembling seat on described guide plate top, be socketed in the wheel disc on described guide plate and be evenly arranged on some drainage pieces of described wheel disc upper surface, the mounting hole for installing fan shaft is provided with in described assembling seat, it is characterized in that: described air cleaner impeller also comprises rubber shock-absorbing sleeve and end cap, described rubber shock-absorbing sleeve is fixed on the top outer of described drainage piece, described end cap is socketed in described rubber shock-absorbing and puts, described drainage piece is plane away from described guide plate side, described drainage piece is by the arc shape of lateral inner bulge near described guide plate side, described drainage piece side opening is provided with multiple noise reduction through hole, described drainage piece adopts carbon fiber reinforced composite material to make.
2. air cleaner draught fan impeller according to claim 1, is characterized in that: the density of described noise reduction through hole is successively decreased from inside to outside gradually.
3. air cleaner draught fan impeller according to claim 2, is characterized in that: described drainage piece top offers inclined-plane, and described inclined-plane extends internally.
4. air cleaner draught fan impeller according to claim 3, it is characterized in that: described drainage piece top outer offers the cambered surface of indent, described rubber shock-absorbing sleeve is fixed in described cambered surface.
5. air cleaner draught fan impeller according to claim 4, is characterized in that: described guide plate be funnel-like and top towards described end cap opening, be provided with the edge, the end for the socket of described wheel disc bottom described guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950957.2U CN205207262U (en) | 2015-11-22 | 2015-11-22 | Fan wheel for air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520950957.2U CN205207262U (en) | 2015-11-22 | 2015-11-22 | Fan wheel for air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207262U true CN205207262U (en) | 2016-05-04 |
Family
ID=55844983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520950957.2U Expired - Fee Related CN205207262U (en) | 2015-11-22 | 2015-11-22 | Fan wheel for air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207262U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762843A (en) * | 2017-02-27 | 2017-05-31 | 江苏杰尔科技股份有限公司 | A kind of vane diffuser with silencer |
| CN108019292A (en) * | 2016-11-04 | 2018-05-11 | 北京航空航天大学 | A kind of oscillation damping method for nozzles with injector guide rib |
| CN108953193A (en) * | 2018-08-22 | 2018-12-07 | 江苏冠愉电机科技有限公司 | A kind of noise-reduction type fiberglass blower fan |
| CN114458628A (en) * | 2022-04-12 | 2022-05-10 | 广东威灵电机制造有限公司 | Fan and electrical equipment |
| CN114483644A (en) * | 2020-11-12 | 2022-05-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Centrifugal impeller, centrifugal fan and range hood |
-
2015
- 2015-11-22 CN CN201520950957.2U patent/CN205207262U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019292A (en) * | 2016-11-04 | 2018-05-11 | 北京航空航天大学 | A kind of oscillation damping method for nozzles with injector guide rib |
| CN106762843A (en) * | 2017-02-27 | 2017-05-31 | 江苏杰尔科技股份有限公司 | A kind of vane diffuser with silencer |
| CN108953193A (en) * | 2018-08-22 | 2018-12-07 | 江苏冠愉电机科技有限公司 | A kind of noise-reduction type fiberglass blower fan |
| CN114483644A (en) * | 2020-11-12 | 2022-05-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Centrifugal impeller, centrifugal fan and range hood |
| CN114483644B (en) * | 2020-11-12 | 2024-03-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Centrifugal impeller, centrifugal fan and fume absorbing equipment |
| CN114458628A (en) * | 2022-04-12 | 2022-05-10 | 广东威灵电机制造有限公司 | Fan and electrical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |