CN201339600Y - Centrifugal medium-pressure blower impeller - Google Patents
Centrifugal medium-pressure blower impeller Download PDFInfo
- Publication number
- CN201339600Y CN201339600Y CNU2008201842187U CN200820184218U CN201339600Y CN 201339600 Y CN201339600 Y CN 201339600Y CN U2008201842187 U CNU2008201842187 U CN U2008201842187U CN 200820184218 U CN200820184218 U CN 200820184218U CN 201339600 Y CN201339600 Y CN 201339600Y
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- Prior art keywords
- impeller
- blade
- blades
- rotating disk
- millimeters
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Abstract
Disclosed is a centrifugal medium-pressure blower impeller, which comprises forward-curved blades and a turntable for fixing the blades, and is mainly characterized in that the circle radius of each blade is 60+-3mm, the outside diameter of the impeller is 162+-3mm, and the number of the blades is seven. Compared with the existing centrifugal medium-pressure blower, the utility model adopts blades with smaller circle radiuses, so the outside diameter of the impeller and the number of the blades are reduced, the optimum numeric area is further designed for the outside diameter of the impeller and the number of the blades, and the whole weight of the impeller and the motor load are reduced, and the blower efficiency is improved under the condition of certain air output.
Description
Technical field
The utility model relates to the structure of centrifugal blower, particularly middle blade wheel structure of pressing blower.
Background technique
In the prior art, press the impeller of blower to adopt the orthodrome forward curved vane in centrifugal, the radius of arc of blade reaches 100 millimeters at least, cause thus under the certain condition of discharge quantity of fan, length of blade is long, the external diameter of impeller is big, the number of blade is more, the impeller overall weight is heavier, cause motor load big, fan efficiency is low.
Summary of the invention
The purpose of this utility model provides the higher centrifugal middle blower impeller of pressing of a kind of efficient.
For this reason, blower impeller described in the utility model comprises the rotating disk of forward-curved blade and stator blade, and the radius of arc of blade is 60 ± 3 millimeters, and impeller outer diameter is 162 ± 3 millimeters, and the number of blade is 7 leaves.Compare with the existing middle blower of pressing, the utility model has adopted the less blade of radius of arc, the impeller outer diameter and the number of blade are reduced, and and then design optimum valuing range for the impeller outer diameter and the number of blade, make that under the certain condition of discharge quantity of fan the impeller overall weight reduces, motor load reduces, fan efficiency improves.
The utility model has the advantages that and not only improved centrifugal middle efficient of pressing blower, reduce energy consumption, and saved the material of making impeller, reduced cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Embodiment
Referring to Fig. 1, Fig. 2, the impeller of centrifugal middle pressure blower comprises the rotating disk 2 of forward-curved blade 1 and stator blade.Characteristics of the present utility model are that the radius of arc R of blade 1 is 60 ± 3 millimeters, and impeller outer diameter φ 1 is 162 ± 3 millimeters, and the number of blade is 7 leaves.For further improving the efficient of blower, another characteristics of present embodiment are the back side that blade 1 protrudes from rotating disk 2.So, make the back side of rotating disk also have the air draught ability, order about air and flow through motor from the hood of motor, play the effect of cooling motor, thereby just can save the cooling fan blade that is installed in the motor afterbody specially of the prior art, under the certain condition of blower fan discharge quantity of fan, be equivalent to the part in the discharge quantity of fan is used for cooling motor, played energy-saving effect.Further improve, the blade 1 of present embodiment is in the height H in rotating disk front again, and the ratio that protrudes from the height h at the rotating disk back side with blade 1 is preferably 4: 0.8～and 1.3.So can make the air quantity that is used for cooling motor in the blower fan discharge quantity of fan occupy appropriate ratio, both guarantee that motor obtains enough coolings, be unlikely to have too much air flow stream to cross motor again and increase resistance, so that reduce fan efficiency.In described proportion, as optimum size, the height H of blade in the rotating disk front should be 40 ± 2 millimeters, the height h that blade protrudes from the rotating disk back side should be 10 ± 2 millimeters, so, with diameter is that 162 ± 3 millimeters impeller outer diameter φ 1 matches, and can make the air quantity and the pressure of blower fan output reach maximum value.
Compared with prior art, present embodiment also has another characteristics: rotating disk external diameter φ 2 is less than impeller outer diameter φ 1.So, the structural feature that is equal to or greater than impeller outer diameter with the rotating disk external diameter of prior art employing is compared, and can further reduce the overall weight of impeller, improves fan efficiency.As optimum size, rotating disk external diameter φ 2 should be 110 ± 3 millimeters.Rotating disk external diameter in this dimensional range and diameter are that 162 ± 3 millimeters impeller outer diameter φ 1 matches, and the air quantity that blower fan is exported reaches maximum value.
Claims (6)
1, press blower impeller in centrifugal, comprise the rotating disk of forward-curved blade and stator blade, it is characterized in that: the radius of arc of blade is 60 ± 3 millimeters, and impeller outer diameter is 162 ± 3 millimeters, and the number of blade is 7 leaves.
2, the centrifugal middle blower impeller of pressing as claimed in claim 1, it is characterized in that: blade protrudes from the back side of rotating disk.
3, the centrifugal middle blower impeller of pressing as claimed in claim 2, it is characterized in that: blade is at the height in rotating disk front, and the ratio that protrudes from the height at the rotating disk back side with blade is 4: 0.8～1.3.
4, the centrifugal middle blower impeller of pressing as claimed in claim 3, it is characterized in that: the height of blade in the rotating disk front is 40 ± 2 millimeters, the height that blade protrudes from the rotating disk back side is 10 ± 2 millimeters.
5, the centrifugal middle blower impeller of pressing as claimed in claim 1, it is characterized in that: the rotating disk external diameter is less than impeller outer diameter.
6, the centrifugal middle blower impeller of pressing as claimed in claim 5, it is characterized in that: the rotating disk external diameter is 110 ± 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201842187U CN201339600Y (en) | 2008-12-23 | 2008-12-23 | Centrifugal medium-pressure blower impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201842187U CN201339600Y (en) | 2008-12-23 | 2008-12-23 | Centrifugal medium-pressure blower impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339600Y true CN201339600Y (en) | 2009-11-04 |
Family
ID=41235147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201842187U Expired - Fee Related CN201339600Y (en) | 2008-12-23 | 2008-12-23 | Centrifugal medium-pressure blower impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339600Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709719B (en) * | 2009-11-17 | 2011-07-20 | 张玉 | Impeller and draught fan thereof, and waste separation crusher with same |
| CN103452869A (en) * | 2012-05-28 | 2013-12-18 | 台达电子工业股份有限公司 | Centrifugal fan with axial flow wind direction |
| US10458417B2 (en) | 2012-05-28 | 2019-10-29 | Delta Electronics, Inc. | Centrifugal fan with axial-flow wind |
-
2008
- 2008-12-23 CN CNU2008201842187U patent/CN201339600Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709719B (en) * | 2009-11-17 | 2011-07-20 | 张玉 | Impeller and draught fan thereof, and waste separation crusher with same |
| CN103452869A (en) * | 2012-05-28 | 2013-12-18 | 台达电子工业股份有限公司 | Centrifugal fan with axial flow wind direction |
| CN103452869B (en) * | 2012-05-28 | 2016-08-17 | 台达电子工业股份有限公司 | The centrifugal fan of tool axial flow wind direction |
| US10458417B2 (en) | 2012-05-28 | 2019-10-29 | Delta Electronics, Inc. | Centrifugal fan with axial-flow wind |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20101223 |