CN203374513U - Low-noise fan used for heat dissipation of motor - Google Patents
Low-noise fan used for heat dissipation of motor Download PDFInfo
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- CN203374513U CN203374513U CN201320331940.XU CN201320331940U CN203374513U CN 203374513 U CN203374513 U CN 203374513U CN 201320331940 U CN201320331940 U CN 201320331940U CN 203374513 U CN203374513 U CN 203374513U
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- blade
- motor radiating
- noise fan
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Abstract
The utility model relates to the motor technical field, in particular to a fan. A low-noise fan used for heat dissipation of a motor includes a fan body, the fan body comprises an impeller, the impeller includes a plurality of blades and further includes a wheel hub arranged in the center of the impeller, the blades extend from the wheel hub to the outside in the radial direction, and the included angle between the direction of the conical surface of the wheel hub and the vertical direction is 20-45 degrees. According to the low-noise fan used for the heat dissipation of the motor, the mode of air flow is improved by optimizing the impeller, so that energy loss in the running process is reduced, and cost is saved.
Description
Technical field
The utility model relates to technical field of motors, relates in particular to a kind of fan.
Background technique
During machine operation, need to add refrigerating blower fan, so that heat radiation simultaneously.Yet when low-speed running, torque is large, energy consumption is high for the motor of employing refrigerating blower fan, and take up room, affect the radiating effect of motor, fan is because the series of advantages of himself can be motor radiating, yet the noise produced in the efficiency of existing fan and working procedure also needs to be optimized in order to reduce the energy consumption in running, and noise pollution.
The model utility content
The purpose of this utility model is, a kind of motor radiating low-noise fan is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
The motor radiating low-noise fan, comprise a fan main body, described fan main body comprises an impeller, described impeller comprises plurality of vanes, it is characterized in that, described impeller also comprises the wheel hub that a center arranges, and described blade extends from described wheel hub outward radial, and the conical surface of described wheel hub and the angle of vertical direction are the 20-45 degree.
The conical surface of described wheel hub and the angle of vertical direction are preferably 30 degree.The angle of the conical surface of described wheel hub and vertical direction is made as to the wind angular direction of 30 degree, the required flow direction of shape that meets the motor fan housing end cap, make distinguished and admirablely fully to motor radiating sheet direction, supply with and keep certain blast, take full advantage of wind energy, reach the low-loss purpose of high blast Wind Volume.
Described blade is provided with a leading edge, a trailing edge, and described trailing edge is positioned at the rear of described leading edge, and described leading edge comprises a upstream portion, a downstream portion, and described downstream portion is in the air-flow rear of described upstream portion; The inclined-plane at described upstream portion place and the angle of vertical direction are the 30-60 degree, and the angle between described downstream portion and described upstream portion is the 10-30 degree.
The angle of described upstream portion and vertical direction is preferably 45 degree; The angle of described downstream portion and described upstream portion is preferably 15 degree.
Described blade adopts the blade of backward type.
Blade of the present utility model adopts hypsokinesis 45 degree to add the design of 15 degree, can effectively reduce the noise of fan, and reduce the blowing area of conventional motor blower fan, thereby reduce resistance and the power demand of wind, and then reduced the energy consumption in the running, cost-saving.
The quantity of described blade is the 6-12 sheet, is preferably 8.
That described blade adopts is plate shaped, a kind of in wing of circular arc or hollow machine.Preferred described blade adopts plate shaped blade, and plate shaped blade manufacture is simple.Described plate shaped blade adopts the blade that is shaped as trapezoidal or approximate trapezoid.
Described blade is provided with stiffening rib.Described stiffening rib adopts crisscross stiffening rib, is convenient to improve the strength and stiffness of blade.
The size of the motor that can dispel the heat is as required adjusted the size of width (L) of the external diameter (D2) of the external diameter (D1) of described wheel hub, described impeller, described impeller and the requirement that the number of blade reaches different airflow pressures.
Beneficial effect: owing to adopting above technological scheme, the utility model provides a kind of motor radiating low-noise fan, and the optimization by impeller, improve flow pattern, thereby reduces the energy loss in running, cost-saving.
The accompanying drawing explanation
Fig. 1 is impeller plan view of the present utility model;
Fig. 2 is impeller side view of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, the motor radiating low-noise fan, comprise a fan main body, fan main body comprises an impeller 1, and impeller 1 comprises plurality of vanes 11, blade 11 is provided with a leading edge, a trailing edge 22, trailing edge 22 is positioned at the rear of leading edge, and leading edge comprises a upstream portion 211, a downstream portion 212, and downstream portion 212 is positioned at the air-flow rear of upstream portion 211, the inclined-plane at upstream portion 211 places and the angle of vertical direction are the 30-60 degree, and the angle between downstream portion 212 and upstream portion 211 is the 10-30 degree.Upstream portion 211 is preferably 45 degree with the angle of vertical direction; Downstream portion 212 is preferably 15 degree with the angle of upstream portion 211.Blade 11 adopts the blade 11 of backward type.
Blade 11 of the present utility model adopts hypsokinesis 45 degree to add the design of 15 degree, can effectively reduce the noise of fan, and reduce the blowing area of conventional motor blower fan, thereby reduce resistance and the power demand of wind, and then reduced the energy consumption in the running, cost-saving.
The quantity of blade 11 is the 6-12 sheet, is preferably 8.That blade 11 adopts is plate shaped, a kind of in wing of circular arc or hollow machine.Preferably blade 11 adopts plate shaped blade 11, and plate shaped blade 11 is manufactured simple.Plate shaped blade 11 adopts the blade 11 that is shaped as trapezoidal or approximate trapezoid.Blade 11 is provided with stiffening rib.Stiffening rib adopts crisscross stiffening rib, is convenient to improve the strength and stiffness of blade 11.
The requirement that the size of the width (L) of the external diameter (D1) of the size adjustment wheel hub 12 of the motor that can dispel the heat as required, the external diameter (D2) of impeller 1, impeller 1 and blade 11 numbers reach different airflow pressures.
Above demonstration and described basic principle of the present utility model and 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; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away 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 the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. motor radiating low-noise fan, comprise a fan main body, described fan main body comprises an impeller, described impeller comprises plurality of vanes, it is characterized in that, described impeller also comprises the wheel hub that a center arranges, and described blade extends from described wheel hub outward radial, and the conical surface of described wheel hub and the angle of vertical direction are the 20-45 degree.
2. motor radiating low-noise fan according to claim 1, it is characterized in that: described blade is provided with a leading edge, a trailing edge, described trailing edge is positioned at the rear of described leading edge, and described leading edge comprises a upstream portion, a downstream portion, and described downstream portion is in the air-flow rear of described upstream portion; The inclined-plane at described upstream portion place and the angle of vertical direction are the 30-60 degree, and the angle between described downstream portion and described upstream portion is the 10-30 degree.
3. motor radiating low-noise fan according to claim 2, it is characterized in that: the angle of described upstream portion and vertical direction is 45 degree; The angle of described downstream portion and described upstream portion is 15 degree.
4. motor radiating low-noise fan according to claim 3, is characterized in that: the blade that described blade is backward type.
5. motor radiating low-noise fan according to claim 1, it is characterized in that: the conical surface of described wheel hub and the angle of vertical direction are 30 degree.
6. according to the described motor radiating low-noise fan of claim 1 to 5 any one, it is characterized in that: the quantity of described blade is the 6-12 sheet.
7. motor radiating low-noise fan according to claim 6, it is characterized in that: the quantity of described blade is 8.
8. motor radiating low-noise fan according to claim 7, it is characterized in that: described blade adopts plate shaped blade.
9. motor radiating low-noise fan according to claim 8 is characterized in that: described plate shaped blade adopts and is shaped as trapezoidal blade.
10. motor radiating low-noise fan according to claim 9, it is characterized in that: described blade is provided with stiffening rib, and described stiffening rib adopts crisscross stiffening rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320331940.XU CN203374513U (en) | 2013-06-08 | 2013-06-08 | Low-noise fan used for heat dissipation of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320331940.XU CN203374513U (en) | 2013-06-08 | 2013-06-08 | Low-noise fan used for heat dissipation of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374513U true CN203374513U (en) | 2014-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320331940.XU Expired - Fee Related CN203374513U (en) | 2013-06-08 | 2013-06-08 | Low-noise fan used for heat dissipation of motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203374513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604980A (en) * | 2016-01-07 | 2016-05-25 | 惠而浦（中国）股份有限公司 | Cooling fan with angle-adjustable fan blades and motor using cooling fan |
-
2013
- 2013-06-08 CN CN201320331940.XU patent/CN203374513U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604980A (en) * | 2016-01-07 | 2016-05-25 | 惠而浦（中国）股份有限公司 | Cooling fan with angle-adjustable fan blades and motor using cooling fan |
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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: 20140101 Termination date: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |