CN200985903Y - Tube-axial fan - Google Patents
Tube-axial fan Download PDFInfo
- Publication number
- CN200985903Y CN200985903Y CN 200620161521 CN200620161521U CN200985903Y CN 200985903 Y CN200985903 Y CN 200985903Y CN 200620161521 CN200620161521 CN 200620161521 CN 200620161521 U CN200620161521 U CN 200620161521U CN 200985903 Y CN200985903 Y CN 200985903Y
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- Prior art keywords
- axial fan
- utility
- blade surface
- model
- blade
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Abstract
The utility model relates to an axial fan of air conditioner outdoor parts which solves existing technical problems that the axial fan has loud noises. In order to solve above technical problems, the utility model comprises vanes which is characterized in that the surface of the vanes is arranged with grooves that comply with the wind flow direction and jut from the blade surface. The utility model gets by pasting wind flow direction of tiny grooves on the blade surface of the axial fan to change roughness of the blade surface; slow down the resistance; raise efficiency of the impeller and improve the flowing property of the impeller to reach the aim of reducing noises under conditions of the same wind speed.
Description
Technical field
The utility model relates to air-conditioning and refrigeration engineering technical field, specifically, relates to a kind of axial fan of air conditioner outdoor machine.
Background technique
In air conditioner outdoor machine or other air interchanger, usually adopt various axial fans for realizing that air circulation flows, the basic structure of existing axial fan is by constituting as the wheel hub of running shaft with at several blades that this maincenter outer circumferential side is radial arrangement.By the motor driving rotation, air flows into from the front edge of blade, blows out from vane trailing edge portion in the boosted back of blade.
The architecture advances of axial fan mainly is to increase air output and reduce the air-supply noise for realizing at present.Improvement project mainly is to the air intake direction of existing blade, true dip direction, angle of inclination, warpage angle or the setting angle of blade etc. of revolution side.
Adopt axial fan to carry out forced-convection heat transfer, fan noise accounts for suitable proportion in the air conditioner, is the important source of noise from air conditioner.Theory analysis by change the blade surface roughness can reduce impeller than A sound level, promptly, improve impeller adiabatic efficiency, thereby reach the effect of noise reduction by reducing resistance.How to have become very necessary in the noise research of keeping the essential low air-conditioning outdoor unit of air quantity condition decline of air conditioner.
The model utility content
The purpose of this utility model is in order to solve technical problems such as the noise that has the axial fan existence now is bigger, and provide a kind of on the basis that increases air output, can realize reducing the axial fan of air-supply noise, by changing the blade surface roughness of axial fan, reduce impeller than A sound level, reduce resistance, improved impeller adiabatic efficiency, thereby reached the effect of noise reduction.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of axial fan comprises blade, it is characterized in that: described blade surface is provided with complies with the groove that flows to and protrude in blade surface.
For further changing the surface roughness of blade, increase the adhesion of fan blade surface air-flow, improve the turbulent situation of fan, thereby reduce aerodynamic noise, as further improvement of the utility model, the cross section of described groove is V-shaped.The V-type cross section has promptly increased the adhesion of fan blade surface air-flow, reduce the turbulent air flow situation generation, thereby reduce aerodynamic noise.
In further fine structure of the present utility model, described groove is continuous integrated type, and adjacent trenches is spaced equably.
In further fine structure of the present utility model, described groove sticks on blade surface.
Compared with prior art, advantage of the present utility model and good effect are:
The utility model by paste at the axial fan blade surface following current to small groove, changed the blade surface roughness, reduced resistance, improved impeller adiabatic efficiency, improved the flow characteristic of impeller, reach the purpose that noise reduces under the condition of equal air-supply.
Description of drawings
Fig. 1 is the blade structure schematic representation of described the utility model axial fan;
Fig. 2 is the I portion enlarged view among described the utility model Fig. 1.
In Fig. 1-2: 1, axial fan; 2, blade; 3, groove.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
As shown in Figure 1: axial fan 1 has designed three blades 2, and following current is to being pasted with the groove 3 that protrudes in blade 2 surfaces on the surface of each blade 2, and the cross section of groove 3 is V-shaped.
As shown in Figure 2, V-groove 3 is continuous integrated type, and adjacent trenches is spaced equably.Spacing between the groove 3 is approximately 10 millimeters.
By above architecture advances, make the surface roughness of blade change, increased the adhesion of fan blade surface air-flow, improve the turbulent situation of fan, therefore reduce aerodynamic noise, the V-type cross section has promptly increased the adhesion of fan blade surface air-flow, reduce the turbulent air flow situation generation, thereby reduce aerodynamic noise.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (4)
1, a kind of axial fan comprises blade, it is characterized in that: described blade surface is provided with complies with the groove that flows to and protrude in blade surface.
2, axial fan according to claim 1 is characterized in that: the cross section of described groove is V-shaped.
3, axial fan according to claim 1 and 2 is characterized in that: described groove is continuous integrated type, and adjacent trenches is spaced equably.
4, axial fan according to claim 3 is characterized in that: described groove sticks on blade surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620161521 CN200985903Y (en) | 2006-12-13 | 2006-12-13 | Tube-axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620161521 CN200985903Y (en) | 2006-12-13 | 2006-12-13 | Tube-axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985903Y true CN200985903Y (en) | 2007-12-05 |
Family
ID=38915360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620161521 Expired - Fee Related CN200985903Y (en) | 2006-12-13 | 2006-12-13 | Tube-axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985903Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102119279A (en) * | 2008-11-06 | 2011-07-06 | 吴明洙 | Rotating blade and air foil with structure for increasing flow rate |
| CN102146934A (en) * | 2010-02-10 | 2011-08-10 | 建准电机工业股份有限公司 | Fan wheel |
| CN101555863B (en) * | 2008-04-11 | 2012-12-26 | 台达电子工业股份有限公司 | Wind power generator and impeller thereof |
| CN104777885A (en) * | 2015-04-08 | 2015-07-15 | 南京机电职业技术学院 | Power consumption system of supervisory computer |
-
2006
- 2006-12-13 CN CN 200620161521 patent/CN200985903Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555863B (en) * | 2008-04-11 | 2012-12-26 | 台达电子工业股份有限公司 | Wind power generator and impeller thereof |
| CN102119279A (en) * | 2008-11-06 | 2011-07-06 | 吴明洙 | Rotating blade and air foil with structure for increasing flow rate |
| CN102146934A (en) * | 2010-02-10 | 2011-08-10 | 建准电机工业股份有限公司 | Fan wheel |
| CN104777885A (en) * | 2015-04-08 | 2015-07-15 | 南京机电职业技术学院 | Power consumption system of supervisory computer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HISENSE( SHANDONG ) AIR CONDITIONING CO., LTD. Free format text: FORMER OWNER: QINGDAO HISENSE AIR CONDITIONING CO. Effective date: 20080425 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080425 Address after: Shandong City, Qingdao province Jiangxi City Road 11, zip code: 266071 Patentee after: Hisense (Shandong) Air-Conditioning Co., Ltd. Address before: Shandong City, Qingdao province Jiangxi City Road 11, zip code: 266071 Patentee before: Haisense Air Conditioner Co., Ltd., Qingdao |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20151213 |
|
| EXPY | Termination of patent right or utility model |