CN207261306U - A kind of electronic fan assembly of big flow low noise - Google Patents
A kind of electronic fan assembly of big flow low noise Download PDFInfo
- Publication number
- CN207261306U CN207261306U CN201720938449.1U CN201720938449U CN207261306U CN 207261306 U CN207261306 U CN 207261306U CN 201720938449 U CN201720938449 U CN 201720938449U CN 207261306 U CN207261306 U CN 207261306U
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- CN
- China
- Prior art keywords
- fan blade
- fan
- angle
- impeller
- motor
- 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
A kind of electronic fan assembly of big flow low noise, the electronic fan assembly body drive rotating impeller to form by motor and by motor, it is characterised in that：The fan blade（2）For eight, two adjacent fan blades（2）Form angle a, such angle a and share eight；The fan blade（2）Radially each knee point takes six radius sections, with the impeller center of circle and fan blade（2）Line on the basis of the midpoint of root, from fan blade（2）Right side root is to top fan blade（2）Angle be followed successively by 39 °, 25 °, 23 °, 31 °, 41 °, 53 °；With the impeller center of circle and fan blade（2）Line on the basis of the midpoint of root, from fan blade（2）Left side root is to top fan blade（2）Angle be followed successively by 6 °, 1 °, 1 °, 7 °, 17 °, 41 °, 53 °.The characteristics of the utility model, the reduction fan noise total value in the case where meeting fan flow performance, improvement sound quality.
Description
Technical field
Technical field of automobile parts is the utility model is related to, more particularly to a kind of automobile electrical of big flow low noise
Sub- fan assembly.
Background technology
Electronic fan assembly, the radiator main as engine, is widely used, existing electronic fan assembly,
In use, inevitably there is noise, and noise is increasing with the aging of electronic fan assembly, it is inconvenient for use, and fan
Leaf setting is not reasonable, causes wind-force insufficient, influences to use for this reason, it is proposed that a kind of electronic fan of big flow low noise is total
Into.
The content of the invention
In view of the above problems, the purpose of this utility model is to provide a kind of electronic fan assembly of big flow low noise,
Motor control rotation, provides wind-force by eight fan blades being arranged radially between wheel hub and shield solar or lunar halo, is meeting fan flow
The characteristics of reducing fan noise total value in the case of measuring performance, improve sound quality.
The technical solution of the utility model is achieved in the following ways：A kind of electronic fan of big flow low noise is total
Into the electronic fan assembly body drives rotating impeller to form by motor and by motor, has one in the middle part of the impeller
The cavity that Open Side Down, motor are arranged in cavity；The impeller is made of shield solar or lunar halo, fan blade and wheel hub, the fan blade
Inward flange is fixed on wheel hub and is arranged radially, and the outer edge of fan blade is connected with shield solar or lunar halo, and the wheel hub is equipped with pre-buried
Nut, the shaft of motor are fixedly connected with embedded nut；Motor imparts power to whole impeller by shaft；Its feature exists
In：The fan blade is eight, and two adjacent fan blades form angle a, such angle a and share eight；The fan blade is along footpath
Six radius sections are taken to each knee point, by line on the basis of the midpoint of the impeller center of circle and fan blade root, from fan blade right side root
The angle of portion to top fan blade is followed successively by 39 °, 25 °, 23 °, 31 °, 41 °, 53 °；Using the midpoint of the impeller center of circle and fan blade root as
Datum line, 6 °, -1 °, 1 °, 7 °, 17 °, 41 °, 53 ° are followed successively by from the angle of fan blade left side root to top fan blade.
The angle a values are 45 °.
The centre of the wheel hub is equipped with parcel post platform, and embedded nut is equipped with parcel post platform, and parcel post platform is equipped with a plurality of with border
The reinforcing rib of radiation, improves the intensity of wheel hub, prolongs the service life.
First radius section chord length and the ratio of design radial are 0.466 ~ 0.506, second radius section
The ratio of chord length and design radial is 0.403 ~ 0.443, the ratio of the 3rd radius section chord length and design radial for 0.415 ~
0.455, the ratio of the 4th radius section chord length and design radial is 0.410 ~ 0.450, and the 5th radius section chord length is with setting
The ratio for counting radius is 0.400 ~ 0.440, and the ratio of the 6th radius section chord length and design radial is 0.273 ~ 0.313.
The utility model, provides wind-force by eight fan blades being arranged radially between wheel hub and shield solar or lunar halo, is meeting
The characteristics of fan noise total value is reduced in the case of fan flow performance, improves sound quality.
Brief description of the drawings
Fig. 1 is the utility model structure chart.
Fig. 2 is the schematic diagram at the first radius section taken along each knee point of fan blade radial direction of the utility model.
Fig. 3 is the signal at the second radius section taken along each knee point of fan blade radial direction of figure the utility model
Figure.
Fig. 4 is the signal at the 3rd radius section taken along each knee point of fan blade radial direction of figure the utility model
Figure.
Fig. 5 is the signal at the 4th radius section taken along each knee point of fan blade radial direction of figure the utility model
Figure.
Fig. 6 is the signal at the 5th radius section taken along each knee point of fan blade radial direction of figure the utility model
Figure.
Fig. 7 is the signal at the 6th radius section taken along each knee point of fan blade radial direction of figure the utility model
Figure.
In figure：1 shield solar or lunar halo, 2 fan blades, 3 wheel hubs.
Embodiment
Known by Fig. 1, a kind of electronic fan assembly of big flow low noise, the electronic fan assembly body by motor and
Drive rotating impeller to form by motor, there is a cavity that Open Side Down in the middle part of the impeller, motor is arranged in cavity；It is described
Impeller be made of shield solar or lunar halo 1, fan blade 2 with wheel hub 3, the inward flange of the fan blade 2 is fixed on radial row on wheel hub 3
Row, the outer edge of fan blade 2 are connected with shield solar or lunar halo 1, and the wheel hub 3 is equipped with embedded nut 4, the shaft and embedded nut of motor
4 are fixedly connected；Motor imparts power to whole impeller by shaft；The fan blade 2 is eight, two adjacent 2 shapes of fan blade
Into angle a, such angle a shares eight；Radially each knee point of the fan blade 2 takes six radius sections, with leaf
Take turns line on the basis of the midpoint of the center of circle and 2 root of fan blade, from the angle of fan blade 2 right side root to top fan blade 2 be followed successively by 39 °,
25°、23°、31°、41°、53°；By line on the basis of the midpoint of the impeller center of circle and 2 root of fan blade, from 2 left side root to top of fan blade
The angle of fan blade 2 is followed successively by 6 °, -1 °, 1 °, 7 °, 17 °, 41 °, 53 °.The angle a values are 45 °.The wheel hub 3
Centre is equipped with parcel post platform, and embedded nut 4 is equipped with parcel post platform, and parcel post platform is equipped with the reinforcing rib 5 of a plurality of radiation with border；Improve
The intensity of wheel hub 3, prolongs the service life.
Known by Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the ratio of described first radius section chord length and design radial
For 0.466 ~ 0.506, the ratio of second radius section chord length and design radial is 0.403 ~ 0.443, the 3rd radius section
The ratio of chord length and design radial is 0.415 ~ 0.455, the ratio of the 4th radius section chord length and design radial for 0.410 ~
0.450, the ratio of the 5th radius section chord length and design radial is 0.400 ~ 0.440, and the 6th radius section chord length is with setting
The ratio for counting radius is 0.273 ~ 0.313.The utility model, passes through eight be arranged radially between wheel hub 3 and shield solar or lunar halo 1
Fan blade 2 provides wind-force, there is reduction fan noise total value, the spy for improving sound quality in the case where meeting fan flow performance
Point.
The lower specific design size that can be used in table 1 below of the present embodiment fan blade 2, to reach more preferable noise reduction and heat dissipation
Effect.
Table 1：
Claims (4)
1. a kind of electronic fan assembly of big flow low noise, the electronic fan assembly body drive by motor and by motor
There is a cavity that Open Side Down at rotating impeller composition, impeller middle part, and motor is arranged in cavity；The impeller has shield
Solar or lunar halo（1）, fan blade（2）With wheel hub（3）Composition, the fan blade（2）Inward flange be fixed on wheel hub（3）Upper radial row
Row, fan blade（2）Outer edge with shield solar or lunar halo（1）It is connected, the wheel hub（3）It is equipped with embedded nut（4）, the shaft of motor with
Embedded nut（4）It is fixedly connected；Motor imparts power to whole impeller by shaft；It is characterized in that：The fan blade（2）
For eight, two adjacent fan blades（2）Form angle a, such angle a and share eight；The fan blade（2）Radially each curve
Knee takes six radius sections, with the impeller center of circle and fan blade（2）Line on the basis of the midpoint of root, from fan blade（2）Right side root
To top fan blade（2）Angle be followed successively by 39 °, 25 °, 23 °, 31 °, 41 °, 53 °；With the impeller center of circle and fan blade（2）In root
Line on the basis of point, from fan blade（2）Left side root is to top fan blade（2）Angle be followed successively by 6 °, -1 °, 1 °, 7 °, 17 °, 41 °,
53°。
A kind of 2. electronic fan assembly of big flow low noise according to claim 1, it is characterised in that：The angle
A values are 45 °.
A kind of 3. electronic fan assembly of big flow low noise according to claim 1, it is characterised in that：The wheel hub
（3）Centre be equipped with parcel post platform, is equipped with embedded nut in parcel post platform（4）, the reinforcement of parcel post platform and border equipped with a plurality of radiation
Muscle（5）；The intensity of wheel hub 3 is improved, is prolonged the service life.
A kind of 4. electronic fan assembly of big flow low noise according to claim 1, it is characterised in that：Described first
The ratio of a radius section chord length and design radial is 0.466 ~ 0.506, the ratio of second radius section chord length and design radial
It is worth for 0.403 ~ 0.443, the ratio of the 3rd radius section chord length and design radial is 0.415 ~ 0.455, and the 4th radius is cut
The ratio of face chord length and design radial is 0.410 ~ 0.450, and the ratio of the 5th radius section chord length and design radial is 0.400
~ 0.440, the ratio of the 6th radius section chord length and design radial is 0.273 ~ 0.313.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938449.1U CN207261306U (en) | 2017-07-31 | 2017-07-31 | A kind of electronic fan assembly of big flow low noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938449.1U CN207261306U (en) | 2017-07-31 | 2017-07-31 | A kind of electronic fan assembly of big flow low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261306U true CN207261306U (en) | 2018-04-20 |
Family
ID=61927562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720938449.1U Expired - Fee Related CN207261306U (en) | 2017-07-31 | 2017-07-31 | A kind of electronic fan assembly of big flow low noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261306U (en) |
-
2017
- 2017-07-31 CN CN201720938449.1U patent/CN207261306U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20190731 |