CN205173016U - Electron fan assembly that auto radiator used - Google Patents
Electron fan assembly that auto radiator used Download PDFInfo
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- CN205173016U CN205173016U CN201520835295.4U CN201520835295U CN205173016U CN 205173016 U CN205173016 U CN 205173016U CN 201520835295 U CN201520835295 U CN 201520835295U CN 205173016 U CN205173016 U CN 205173016U
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- fan
- blade
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- fan housing
- motor
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- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 210000003127 knee Anatomy 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an electron fan assembly that auto radiator used, including fan housing assembly, motor and fan blade, installing support and the locking card of fan housing assembly including fan housing frame, fan housing support, on fixing window baffle and the locator on the fan housing frame and being fixed in the fan housing support, the motor is fixed on the fan housing frame, and the motor includes front end housing, armature assembly, stator assembly, brush yoke assembly and rear end cap, the fan blade cooperates with the output shaft transmission hookup of motor, the fan blade is by wheel hub and install seven blades that the equidistance distributes at the wheel hub edge, have the fan housing frame of two diameter variation in sizes on the fan housing assembly, all be fixed with the motor on every fan housing frame, and install the fan blade of different diameters size on the motor. Have and reduce the fan noise total value under the circumstances that satisfies fan flow performance, improve the characteristics of sound quality.
Description
Technical field
The utility model relates to a kind of auto parts machinery, particularly a kind of Motronic control maps fan assembly of low noise.
Background technique
Generally all cooling water tank is provided with in the indoor of starting of automobile, for the cooling of motor, change on cooling water tank and be connected with radiator, and electronic fan assembly is installed on a heat sink, carry out exchange heat with additional cooler and automobile external, and then reduce the temperature of circulating water in cooling water tank.
The noise of car engine electronic fan is rotated by electronic fan and produces, and is directly proportional to rotating speed.Fan noise is mainly cut by fan blade that air or the air turbulence that produced by the parts of fan produce, by changing the diameter of blade, quantity, shape or angle, and the shape adopting variable-vane fan or improve fan shield can reduce fan noise.Research shows, the air quantity of fan is larger, and its noise is also larger, and the shape of fan blade directly affects the strength of vortex near blade, thus affects the efficiency of fan, causes fan noise comparatively large, affects comfort.
Summary of the invention
The utility model aim to provide reasonable in design and can a kind of electronic fan assembly of automobile radiators of noise reduction, reducing fan noise total value when meeting fan flow performance, improving the electronic fan of sound quality.The technological scheme that the utility model realizes its object is:
A kind of electronic fan assembly of automobile radiators, comprise fan housing assembly, motor and fan blade, described fan housing assembly includes fan housing framework, fan housing support, be fixed on window baffle plate on fan housing framework and positioning work piece and the mounting bracket be fixed on fan housing support and locking clamp, described motor is fixed on fan housing framework, and motor comprises front cover, armature assembly, stator assembly, brush holder assembly and rear end cover; Described fan blade coordinates with the output shaft transmission joint of motor, and described fan blade is made up of wheel hub and seven blades equidistantly distributed being arranged on wheel hub edge; Fan housing assembly has the fan housing framework that two diameter are different, each fan housing framework is all fixed with motor, and motor is provided with the fan blade of different-diameter size.
The outside of described fan blade is provided with protects vane.
The both sides of described fan housing framework are provided with multiple threaded connection hole for connecting radiator.
Described blade adopts antecurvature structure, 8 radius cross sections are got along each knee point of blade radial, with the mid point of the fan blade center of circle and root of blade for reference line, the antecurvature angle from root of blade to top vane is followed successively by 16 °, 7 °, 10 °, 12 °, 11 °, 14 °, 18 °, 32 °; Before and after blade, the ratio of outer rim arc length is 0.85-0.95, and the ratio of blade outer inward flange both sides arc length is 0.6-0.65; Four sections of camber lines of blade rear edge, the changes shape of every section of described camber line is convex shaped, recessed shape, convex shaped and linarity, two sections of camber lines of blades leading edges, and the changes shape of every section of described camber line is the round and smooth connection of recessed shape.
Accompanying drawing explanation
Fig. 1 is that a kind of automobile radiators electronics fan assembly of the present utility model faces structural representation;
Fig. 2 is a kind of automobile radiators electronics fan assembly backsight structural representation of the present utility model;
Fig. 3 is a kind of automobile radiators electronics fan assembly isometric view of the present utility model;
Fig. 4 is a kind of automobile radiators electronics fan assembly list motor sectional structure schematic diagram of the present utility model;
Fig. 5 is that a kind of automobile radiators electronics fan assembly fan blade of the present utility model faces structural representation;
Fig. 6 is the schematic diagram of the 1st the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Fig. 7 is the schematic diagram of the 2nd the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Fig. 8 is the schematic diagram of the 3rd the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Fig. 9 is the schematic diagram of the 4th the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Figure 10 is the schematic diagram of the 5th the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Figure 11 is the schematic diagram of the 6th the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Figure 12 is the schematic diagram of the 7th the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial;
Figure 13 is the schematic diagram of the 8th the radius section that a kind of automobile radiators electronics fan assembly of the present utility model is got along each knee point of blade radial.
Embodiment
Below contrast accompanying drawing, by the description of embodiment, the utility model is described in further detail.
One of embodiment, as shown in accompanying drawing 1 ~ 5:
A kind of electronic fan assembly of automobile radiators, comprise fan housing assembly 1, motor 2 and fan blade 3, described fan housing assembly 1 includes fan housing framework 1-1, fan housing support 1-6, be fixed on window baffle plate 1-2 on fan housing framework 1-1 and positioning work piece 1-3 and the mounting bracket 1-4 be fixed on fan housing support 1-6 and locking clamp 1-5, described motor 2 is fixed on fan housing framework 1-1, and motor 2 comprises front cover 2-1, armature assembly 2-2, stator assembly 2-3, brush holder assembly 2-4 and rear end cover 2-5; Described fan blade 3 coordinates with the output shaft transmission joint of motor 2, and described fan blade 3 is made up of wheel hub 3-1 and the seven blade 3-2 equidistantly distributed being arranged on wheel hub 3-1 edge; It is characterized in that: fan housing assembly 1 has the fan housing framework 1-1 that two diameter are different, each fan housing framework 1-1 is all fixed with motor 2, and motor 2 is provided with the fan blade 3 of different-diameter size.
The utility model adopts the structural design of convex frame, can be connected on radiator by whole fan housing assembly, can improve the stability of the two assembling thus, and effectively reduces connection gap therebetween, thus reduces noise between fan and radiator; Adopt two motor construction, the heat diffusion area of electronic fan and radiator can be increased, reduce electronic fan assembly rotating speed, thus reduce the noise of electronic fan assembly; Different from the fan blade diameter that motor output shaft transmission joint coordinates, avoid two motors operationally because of the resonance of the close generation of rotating speed, optimize car load comfort level.
The outside of described fan blade 3 is provided with protects vane 3-3.Fan blade 3 employing is protected vane outer rim and is added folded edges, improves the intensity of blade, reduces flow velocity, and the overall air-flow of fan is more concentrated, improves the efficiency of fan.Simultaneously owing to protecting the support reinforcing effect of vane, overcome the jitter amplitude of blade when fan runs, reduce the extraordinary noise because blade strength causes not, optimize noise comfort level.
The both sides of described fan housing framework 1-1 are provided with multiple threaded connection hole 1-1-1 for connecting radiator.Framework 1-1 can be facilitated to be connected with other radiators.
As shown in Fig. 6 ~ 13, described blade 3-2 adopts antecurvature structure, 8 radius cross sections are got along the radial each knee point of blade 3-2, with the mid point of fan blade 3 center of circle and blade 3-2 root for reference line, be followed successively by 16 °, 7 °, 10 °, 12 °, 11 °, 14 °, 18 °, 32 ° from blade 3-2 root to the antecurvature angle of top vane 3-2; Before and after blade 3-2, the ratio of outer rim arc length is 0.85-0.95, and the ratio of blade 3-2 outer inward flange both sides arc length is 0.6-0.65; The antemarginal four sections of camber lines of blade 3-2, the changes shape of every section of described camber line is convex shaped, recessed shape, convex shaped and linarity, two sections of camber lines of blade 3-2 front edge, and the changes shape of every section of described camber line is the round and smooth connection of recessed shape.Blade 3-2 is seven, seven blades are equally spaced, odd-numbered blade can reduce fan blade and produce resonance phenomenon, medium design one depressed area of blade 3-2, cup depth is 0 ~ 3mm, changes the outer rim of airflow passes blade 3.2, the type of flow of leading edge, thus reduces the diffusion of air at the outer rim place of blade 3-2, improve vortex phenomenon near leading edge air intake surface, reduce fan blade eddy current crack.The medium and small leaf blade of the utility model can adopt following specific design size, reaches better noise reduction and radiating effect.
Table 1
| Blade design calculates radius (mm) | Bending blade angle A 1 (°) | Radius cross section aerofoil profile chord length (mm) |
| 62 | 16 | 27.35 |
| 73.14 | 7 | 36.47 |
| 85.48 | 10 | 38.89 |
| 92.3 | 12 | 40.19 |
| 104.75 | 11 | 43.30 |
| 117.22 | 14 | 46.79 |
| 123.87 | 18 | 48.83 |
| 145.11 | 32 | 61.32 |
Claims (4)
1. the electronic fan assembly of an automobile radiators, comprise fan housing assembly (1), motor (2) and fan blade (3), described fan housing assembly (1) includes fan housing framework (1-1), fan housing support (1-6), be fixed on window baffle plate (1-2) on fan housing framework (1-1) and positioning work piece (1-3) and the mounting bracket (1-4) be fixed on fan housing support (1-6) and locking clamp (1-5), described motor (2) is fixed on fan housing framework (1-1), motor (2) comprises front cover (2-1), armature assembly (2-2), stator assembly (2-3), brush holder assembly (2-4) and rear end cover (2-5), described fan blade (3) coordinates with the output shaft transmission joint of motor (2), and described fan blade (3) is made up of wheel hub (3-1) and seven blades equidistantly distributed (3-2) being arranged on wheel hub (3-1) edge, it is characterized in that: fan housing assembly (1) has the fan housing framework (1-1) that two diameter are different, each fan housing framework (1-1) is all fixed with motor (2), and motor (2) is provided with the fan blade (3) of different-diameter size.
2. the electronic fan assembly of a kind of automobile radiators according to claim 1, is characterized in that, the outside of described fan blade (3) is provided with protects vane (3-3).
3. the electronic fan assembly of a kind of automobile radiators according to claim 1, is characterized in that, the both sides of described fan housing framework (1-1) are provided with multiple threaded connection hole (1-1-1) for connecting radiator.
4. the electronic fan assembly of a kind of automobile radiators according to claim 1, it is characterized in that, described blade (3-2) adopts antecurvature structure, 8 radius cross sections are got along the radial each knee point of blade (3-2), with the mid point of fan blade (3) center of circle and blade (3-2) root for reference line, the antecurvature angle from blade (3-2) root to top vane (3-2) is followed successively by 16 °, 7 °, 10 °, 12 °, 11 °, 14 °, 18 °, 32 °; Before and after blade (3-2), the ratio of outer rim arc length is 0.85-0.95, and the ratio of blade (3-2) outer inward flange both sides arc length is 0.6-0.65; The antemarginal four sections of camber lines of blade (3-2), the changes shape of every section of described camber line is convex shaped, recessed shape, convex shaped and linarity, two sections of camber lines of blade (3-2) front edge, the changes shape of every section of described camber line is the round and smooth connection of recessed shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835295.4U CN205173016U (en) | 2015-10-26 | 2015-10-26 | Electron fan assembly that auto radiator used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835295.4U CN205173016U (en) | 2015-10-26 | 2015-10-26 | Electron fan assembly that auto radiator used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173016U true CN205173016U (en) | 2016-04-20 |
Family
ID=55737018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520835295.4U Active CN205173016U (en) | 2015-10-26 | 2015-10-26 | Electron fan assembly that auto radiator used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275854A (en) * | 2015-10-26 | 2016-01-27 | 日本电产凯宇汽车电器（江苏）有限公司 | Electronic fan assembly for automobile radiator |
-
2015
- 2015-10-26 CN CN201520835295.4U patent/CN205173016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275854A (en) * | 2015-10-26 | 2016-01-27 | 日本电产凯宇汽车电器（江苏）有限公司 | Electronic fan assembly for automobile radiator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 266, Fumin Road, Lucheng Street, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Nedco Kaiyu Automotive Appliances (Jiangsu) Co.,Ltd. Address before: No. 156 Dongfang East Road, Economic Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee before: NIDEC KAIYU AUTO ELECTRIC (JIANGSU) Co.,Ltd. |
|
| CP03 | Change of name, title or address |