CN107461363A - 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
- CN107461363A CN107461363A CN201710637646.4A CN201710637646A CN107461363A CN 107461363 A CN107461363 A CN 107461363A CN 201710637646 A CN201710637646 A CN 201710637646A CN 107461363 A CN107461363 A CN 107461363A
- Authority
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of electronic fan assembly of big flow low noise, described electronic fan assembly body drive the impeller of rotation to form by motor and by motor, it is characterised in that：Described fan blade（2）For eight, two adjacent fan blades（2）Form angle a, such angle a and share eight；Described 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 present invention, in the case where meeting fan flow performance reduce fan noise total value, improve sound quality the characteristics of.
Description
Technical field
The present invention relates to technical field of automobile parts, more particularly to a kind of electronic vehicle wind of big flow low noise
Fan assembly.
Background technology
Electronic fan assembly, the heat abstractor main as engine, is widely used, existing electronic fan assembly,
In use, there is noise unavoidably, 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 therefore, it is proposed that a kind of electronic fan of big flow low noise is total
Into.
The content of the invention
For problem above, it is an object of the invention to provide a kind of electronic fan assembly of big flow low noise, motor
Control rotation, wind-force is provided by eight fan blades being arranged radially between wheel hub and shield solar or lunar halo, is meeting fan flow
In the case of energy reduce fan noise total value, improve sound quality the characteristics of.
The technical scheme is that be accomplished by the following way：A kind of electronic fan assembly of big flow low noise,
Described electronic fan assembly body drives the impeller of rotation to form by motor and by motor, has an opening in the middle part of described impeller
Downward cavity, motor is in cavity；Described impeller is made up of shield solar or lunar halo, fan blade and wheel hub, the inner edge of described fan blade
Edge is fixed on wheel hub and is arranged radially, and the outward flange of fan blade is connected with shield solar or lunar halo, and described wheel hub is provided with embedded nut,
The rotating shaft of motor is fixedly connected with embedded nut；Motor imparts power to whole impeller by rotating shaft；It is characterized in that：It is described
Fan blade be eight, two adjacent fan blades form angle a, such angle a and share eight；Radially each curve of described fan blade
Knee takes six radius sections, by line on the basis of the midpoint of the impeller center of circle and fan blade root, from fan blade right side root to top
The angle of fan blade is followed successively by 39 °, 25 °, 23 °, 31 °, 41 °, 53 °；The line on the basis of midpoint of the impeller center of circle with fan blade root, from
Root is followed successively by 6 °, -1 °, 1 °, 7 °, 17 °, 41 °, 53 ° to the angle of top fan blade on the left of fan blade.
Described angle a values are 45 °.
The centre of described wheel hub is provided with parcel post platform, and embedded nut is provided with parcel post platform, and parcel post platform is provided with a plurality of with border
The reinforcement of radiation, the intensity of wheel hub is improved, is increased the service life.
First described 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 present invention, wind-force is provided by eight fan blades being arranged radially between wheel hub and shield solar or lunar halo, is meeting fan
In the case of flow performance reduce fan noise total value, improve sound quality the characteristics of.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is the schematic diagram at the first radius section taken along each knee point of fan blade radial direction of the present invention.
Fig. 3 is the schematic diagram at the second radius section taken along each knee point of fan blade radial direction of the figure present invention.
Fig. 4 is the schematic diagram at the 3rd radius section taken along each knee point of fan blade radial direction of the figure present invention.
Fig. 5 is the schematic diagram at the 4th radius section taken along each knee point of fan blade radial direction of the figure present invention.
Fig. 6 is the schematic diagram at the 5th radius section taken along each knee point of fan blade radial direction of the figure present invention.
Fig. 7 is the schematic diagram at the 6th radius section taken along each knee point of fan blade radial direction of the figure present invention.
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, described electronic fan assembly body by motor and
It is made up of the impeller of motor driving rotation, has a cavity that Open Side Down in the middle part of described impeller, motor is in cavity；It is described
Impeller be made up of shield solar or lunar halo 1, fan blade 2 with wheel hub 3, the inward flange of described fan blade 2 is fixed on radial row on wheel hub 3
Row, the outward flange of fan blade 2 are connected with shield solar or lunar halo 1, and described wheel hub 3 is provided with embedded nut 4, the rotating shaft of motor and embedded nut
4 are fixedly connected；Motor imparts power to whole impeller by rotating shaft；Described fan blade 2 is eight, the two adjacent shapes of fan blade 2
Into angle a, such angle a shares eight；Radially each knee point of described fan blade 2 takes six radius sections, with leaf
Take turns line on the basis of the midpoint of the center of circle and the root of fan blade 2, be followed successively by from the right side root of fan blade 2 to the angle of top fan blade 2 39 °,
25°、23°、31°、41°、53°；By line on the basis of the midpoint of the impeller center of circle and the root of fan blade 2, from the left side root to top of fan blade 2
The angle of fan blade 2 is followed successively by 6 °, -1 °, 1 °, 7 °, 17 °, 41 °, 53 °.Described angle a values are 45 °.Described wheel hub 3
Centre is provided with parcel post platform, and embedded nut 4 is provided with parcel post platform, and parcel post platform is provided with the reinforcement 5 of a plurality of radiation with border；Improve
The intensity of wheel hub 3, increases 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 present invention, pass through eight fan blades being arranged radially between wheel hub 3 and shield solar or lunar halo 1
2 provide wind-force, there is the characteristics of reduction fan noise total value in the case where meeting fan flow performance, improvement sound quality.
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 radiating
Effect.
Table 1：
Claims (4)
1. a kind of electronic fan assembly of big flow low noise, described electronic fan assembly body drive by motor and by motor
There is a cavity that Open Side Down at the impeller composition of rotation, described impeller middle part, and motor is in cavity；Described impeller has shield
Solar or lunar halo（1）, fan blade（2）With wheel hub（3）Composition, described fan blade（2）Inward flange be fixed on wheel hub（3）Upper radial row
Row, fan blade（2）Outward flange with shield solar or lunar halo（1）It is connected, described wheel hub（3）It is provided with embedded nut（4）, the rotating shaft of motor with
Embedded nut（4）It is fixedly connected；Motor imparts power to whole impeller by rotating shaft；It is characterized in that：Described fan blade（2）
For eight, two adjacent fan blades（2）Form angle a, such angle a and share eight；Described 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：Described 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：Described wheel hub
（3）Centre be provided with parcel post platform, is provided with embedded nut in parcel post platform（4）, the reinforcement of parcel post platform and border provided with a plurality of radiation
Muscle（5）；The intensity of wheel hub 3 is improved, is increased 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 individual 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 |
|---|---|---|---|
| CN201710637646.4A CN107461363A (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 |
|---|---|---|---|
| CN201710637646.4A CN107461363A (en) | 2017-07-31 | 2017-07-31 | A kind of electronic fan assembly of big flow low noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461363A true CN107461363A (en) | 2017-12-12 |
Family
ID=60547064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710637646.4A Withdrawn CN107461363A (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) | CN107461363A (en) |
-
2017
- 2017-07-31 CN CN201710637646.4A patent/CN107461363A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171212 |
|
| WW01 | Invention patent application withdrawn after publication |