CN103671244A - Impeller and fan comprising same - Google Patents
Impeller and fan comprising same Download PDFInfo
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- CN103671244A CN103671244A CN201210336056.5A CN201210336056A CN103671244A CN 103671244 A CN103671244 A CN 103671244A CN 201210336056 A CN201210336056 A CN 201210336056A CN 103671244 A CN103671244 A CN 103671244A
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- impeller
- wheel hub
- noise reduction
- reduction member
- fan
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Abstract
The invention relates to an impeller applied to a fan. The impeller comprises a hub which is provided with a central shaft hole and similar to a cone in shape, a plurality of blades connected to the hub, and a sound attenuation component connected to the hub. The invention further provides the fan comprising the impeller.
Description
Technical field
The fan that the present invention relates to a kind of impeller for fan and there is this kind of impeller.
Background technique
Traditional domestic fan generally includes the impeller that rotates around central rotating shaft and the motor of drives impeller rotary work.Impeller is usually located in cage, and this cage allows air stream through housing, yet but stops user when using fan, to touch the impeller of rotation.
Just commercially in recent years without blade fan, do not use with the impeller of cage and launch air stream from fan.Without blade fan, generally include pedestal and be arranged on the nozzle on pedestal, in pedestal, be provided with the impeller being driven by motor, this kind of impeller comprises the wheel hub of the general conical with central shaft hole and is connected to a plurality of blades on described wheel hub, this kind of impeller needs High Rotation Speed work conventionally, and its maximum (top) speed is up to 8000 revs/min.
This kind of impeller have be shaped easily, manufacturing efficiency high, but the noise producing during rotary work is larger.
Summary of the invention
A first aspect of the present invention is will provide-kind of the impeller for fan, this kind is for the impeller of fan, it is characterized in that, described impeller comprise the general conical with central shaft hole wheel hub, be connected to a plurality of blades on described wheel hub and be connected to the noise reduction member on described wheel hub.
This kind of impeller owing to being provided with noise reduction member on wheel hub, and the noise producing while being conducive to decay vane rotary work, obviously reduces the noise that impeller produces.
Preferably, described noise reduction member is connected on the windward side that described wheel hub is connected with described blade.
Preferably, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade.
In a preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation that are arranged on described wheel hub.
In another preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises and is arranged at a plurality of perforation on described wheel hub and is arranged at the cover plate on described noise reduction member.
Described perforation can be various shape, can be circular, can be round rectangle, can also be other shape; The aperture of described perforation is conventionally between 0.5mm to 6mm, preferably between 1mm to 5mm.
Preferably, described impeller also comprises guard shield, and described guard shield is connected to the outer ledge of described blade so that around described wheel hub and described blade.
Preferably, described guard shield is shaped as substantially frustoconical.
The blade quantity of described impeller is conventionally the scope of 3 to 19, preferably the scope of 3 to 11.
Described noise reduction member comprises acoustic foam, and acoustic foam comprises sponge and glass wool; Described noise reduction member can be various shape, and the shape of described noise reduction member comprises annular and part annular.
Described noise reduction member comprises noise reduction layer, and wherein, the thickness of noise reduction layer is between 1mm to 20mm.
In a preferred embodiment, described noise reduction member comprises a noise reduction layer, on the partial Upwind face of described wheel hub, is connected with noise reduction layer.
Preferably, described noise reduction member is connected with described wheel hub by binding agent.
A second aspect of the present invention is will provide-kind of fan, this kind of fan, it is characterized in that, described fan comprises impeller, described impeller comprise the general conical with central shaft hole wheel hub, be connected to a plurality of blades on described wheel hub and be connected to the noise reduction member on described wheel hub.
Preferably, described noise reduction member is connected on the windward side that described wheel hub is connected with described blade.
Preferably, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade.
In a preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation that are arranged on described wheel hub.
In another preferred embodiment, described noise reduction member is connected on the lee face that described wheel hub do not connect described blade, and described impeller also comprises and is arranged at a plurality of perforation on described wheel hub and is arranged at the cover plate on described noise reduction member.
In yet another preferred embodiment, described impeller also comprises guard shield, and described guard shield is connected to the outer ledge of described blade so that around described wheel hub and described blade.
Described fan comprises nozzle; Described nozzle comprises for accepting the inner passage of air-flow and for launching the relief opening of air-flow, and limits an opening, the air-flow penetrating from described relief opening by the air intake of fan outside by described opening.
Described nozzle can limit a plurality of openings, and its opening can be various shape, can be circular, oval, round rectangle, can be also part annular, can also be other shape.
The above-mentioned feature about a first aspect of the present invention is also applied to a second aspect of the present invention equally.
Accompanying drawing explanation
Figure l is the front schematic view of fan of the present invention.
Fig. 2 is the side view of fan shown in Fig. 1.
Fig. 3 is the sectional view that the A-A line along the fan shown in Fig. 1 intercepts.
Fig. 4 is the zoomed-in view of the impeller in Fig. 3.
Fig. 5 is that the impeller shown in Fig. 4 is removed the three-dimensional view after guard shield.
Fig. 6 has shown the another kind of replacing structure of impeller.
Fig. 7 is that the impeller shown in Fig. 6 is removed the three-dimensional view after guard shield.
Fig. 8 has shown another replacing structure of impeller.
Embodiment
Figure l is that Fig. 2 is the side view of fan shown in Fig. 1 from the schematic diagram of the fan of the present invention of device forward observation, and Fig. 3 has shown the internal structure of fan shown in Fig. 1.From Fig. 1 to Fig. 3, can find out, this kind of fan comprises pedestal 1 and is arranged on the nozzle 2 on pedestal 1; Pedestal 1 comprises Base body 4 and is positioned at Base body 4 base portion 3 below, and Base body 4 has sidewall, and sidewall comprises air inlet 5, the form that air inlet 5 is grid hole; Base body 4 comprises impeller chimney 10, is positioned at the impeller 11 of impeller chimney and the motor 15 of drives impeller rotary work, and impeller chimney 10 has air intlet 13 and air outlet slit 14; Nozzle 2 comprises inner passage 7 and the relief opening 8 that receives air-flows for the air outlet slit 14 from impeller chimney, and nozzle 2 defines an opening 6, and this opening is to have the scarce opening of circle, at the central part of this opening, has axis X.In the present embodiment, Base body 4 relatively base portion 3 swings, and Base body 4 comprises top base main body 4a and bottom base main body 4b, and top base main body 4a can slide into oblique position with respect to bottom base main body 4b.
Fig. 4 is the zoomed-in view of the impeller in Fig. 3, and Fig. 5 is that the impeller shown in Fig. 4 is removed the three-dimensional view after guard shield.From Fig. 4 and Fig. 5, can find out, impeller 11 comprise the general conical with central shaft hole 9 wheel hub 16, be connected to a plurality of blades 17 on wheel hub, be connected to a plurality of noise reduction members 19 and guard shield 18 on wheel hub 16, guard shield 18 is connected to the outer ledge of blade 17, wheel hub 16 has the windward side 21 that is connected with blade 17 and the lee face 22 that is not connected blade 17, and a plurality of noise reduction members 19 are arranged on the windward side 21 of wheel hub 16.
In the present embodiment, noise reduction member 19 is the glass wool layer of thickness 2mm, and glass wool layer is arranged on the partial Upwind face 21 of wheel hub 16.Conventionally, can on the whole windward side 21 of wheel hub 16, noise reduction member be set; Preferably, on the partial Upwind face 21 of wheel hub 16, noise reduction member is set; More preferably, near the windward side 21 upper end of wheel hub 16, noise reduction member is set.
In Fig. 4, can also see, on the partial Upwind face 21 of wheel hub 16, be provided with after a plurality of noise reduction members, part windward side of noise reduction member is not set for it and the outer surface of noise reduction member is not concordant.Preferably, the part windward side that should make not arrange noise reduction member is concordant with the outer surface of noise reduction member, that is to say, should make those that part windward side indent of noise reduction member will be set.
During this kind of fan work, be positioned at motor 15 drives impeller 11 rotary works of pedestal 1, air can be drawn into from the air inlet 5 being positioned at Base body 4, the air entering in Base body 4 is admitted in the inner passage 7 of nozzle 2 after boosting, and be deflated mouthfuls 8 ejections, from the air of fan outside, by opening 6, being deflated mouthful 8 air-flows that spray entrainments, the air-flow being ejected and the air-flow being entrainmented form the total air flow penetrating forward from nozzle 2, because this kind of impeller is provided with noise reduction member on wheel hub, the noise that its impeller produces obviously reduces.
Fig. 6 has shown the another kind of replacing structure of impeller, and Fig. 7 is that the impeller shown in Fig. 6 is removed the three-dimensional view after guard shield.From Fig. 6 and Fig. 7, can find out, the impeller of the present embodiment comprise the general conical with central shaft hole 9 wheel hub 16, be connected to a plurality of blades 17 on wheel hub 16, be arranged at a plurality of perforation 20, noise reduction member 19 and guard shield 18 on wheel hub 16, noise reduction member 19 is connected on the lee face 22 that wheel hub 16 do not connect blade.
Fig. 8 has shown another replacing structure of impeller.As can be seen from Figure 8, the impeller of the present embodiment is similar to the impeller shown in Fig. 6, and just the impeller of the present embodiment has increased the cover plate 12 being arranged on noise reduction member 19 on the basis of the impeller shown in Fig. 6.
The detailed description that the present invention is not limited to provide above.Those skilled in the art should be understood that deformation program of the present invention.For example, noise reduction member can have any suitable structure, and the density of noise reduction member and mass distribution can change.
Claims (10)
1. for an impeller for fan, it is characterized in that, described impeller comprise there is central shaft hole (9) general conical wheel hub (16), be connected to a plurality of blades (17) on described wheel hub and be connected to the noise reduction member (19) on described wheel hub.
2. the impeller as described in claim l, is characterized in that, described noise reduction member is connected on the windward side (21) that described wheel hub is connected with described blade.
3. the impeller as described in claim l, is characterized in that, described noise reduction member is connected on the lee face (22) that described wheel hub do not connect described blade.
4. the impeller as described in claim l, is characterized in that, it is upper that described noise reduction member is connected to the lee face (22) that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation (20) that are arranged on described wheel hub.
5. the impeller as described in claim l, it is characterized in that, it is upper that described noise reduction member is connected to the lee face (22) that described wheel hub do not connect described blade, and described impeller also comprises a plurality of perforation (20) that are arranged on described wheel hub and is arranged at the cover plate (12) on described noise reduction member.
6. the impeller as described in one of claim l to 5, is characterized in that, described impeller also comprises guard shield (18), and described guard shield is connected to the outer ledge of described blade so that around described wheel hub and described blade.
7. the impeller as described in one of claim l to 5, is characterized in that, described noise reduction member comprises acoustic foam.
8. the impeller as described in one of claim 1 to 5, is characterized in that, described noise reduction member is connected with described wheel hub by binding agent.
9. impeller as claimed in claim 6, is characterized in that, described guard shield be shaped as substantially frustoconical.
10. a fan, is characterized in that, described fan comprises the impeller as described in one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336056.5A CN103671244A (en) | 2012-09-12 | 2012-09-12 | Impeller and fan comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210336056.5A CN103671244A (en) | 2012-09-12 | 2012-09-12 | Impeller and fan comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103671244A true CN103671244A (en) | 2014-03-26 |
Family
ID=50309775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210336056.5A Pending CN103671244A (en) | 2012-09-12 | 2012-09-12 | Impeller and fan comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671244A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825550A (en) * | 2018-08-30 | 2018-11-16 | 湖南机油泵股份有限公司 | A kind of impeller and water pump of the fast quick-detach of energy |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228996Y (en) * | 1995-08-22 | 1996-06-12 | 广东省二轻制冷机公司 | Vane for low-noise centrifugal fan |
| JP2000234599A (en) * | 1999-02-15 | 2000-08-29 | Daikin Ind Ltd | Impeller for blower and manufacture thereof |
| US20040240999A1 (en) * | 2003-04-25 | 2004-12-02 | Kioritz Corporation | Centrifugal blower fan |
| CN101825095A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| CN202108783U (en) * | 2011-06-21 | 2012-01-11 | 北京利而浦电器有限责任公司 | Adjustable fan without blade |
| CN202789711U (en) * | 2012-09-12 | 2013-03-13 | 任文华 | Blade wheel and fan with same |
-
2012
- 2012-09-12 CN CN201210336056.5A patent/CN103671244A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228996Y (en) * | 1995-08-22 | 1996-06-12 | 广东省二轻制冷机公司 | Vane for low-noise centrifugal fan |
| JP2000234599A (en) * | 1999-02-15 | 2000-08-29 | Daikin Ind Ltd | Impeller for blower and manufacture thereof |
| US20040240999A1 (en) * | 2003-04-25 | 2004-12-02 | Kioritz Corporation | Centrifugal blower fan |
| CN101825095A (en) * | 2009-03-04 | 2010-09-08 | 戴森技术有限公司 | Fan assembly |
| CN202108783U (en) * | 2011-06-21 | 2012-01-11 | 北京利而浦电器有限责任公司 | Adjustable fan without blade |
| CN202789711U (en) * | 2012-09-12 | 2013-03-13 | 任文华 | Blade wheel and fan with same |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825550A (en) * | 2018-08-30 | 2018-11-16 | 湖南机油泵股份有限公司 | A kind of impeller and water pump of the fast quick-detach of energy |
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Application publication date: 20140326 |