CN207178299U - A kind of fan blade of vehicle radiator fan - Google Patents
A kind of fan blade of vehicle radiator fan Download PDFInfo
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- CN207178299U CN207178299U CN201721019600.8U CN201721019600U CN207178299U CN 207178299 U CN207178299 U CN 207178299U CN 201721019600 U CN201721019600 U CN 201721019600U CN 207178299 U CN207178299 U CN 207178299U
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Abstract
The utility model discloses a kind of fan blade of vehicle radiator fan, and it includes wheel hub, blade and shield solar or lunar halo, the blade and arranges that the blade root of the blade is connected with the wheel hub around the wheel hub, and the leaf top of the blade is connected with the shield solar or lunar halo of periphery；The blade quantity is seven, and uses Airfoil Design, the section line of some circular arcs is equidistantly taken along blade radial, blade main characteristic parameters include：(a) blade non-equidistantly distributed；(b) blade uses forward inclined type；(c) for blade angle from root of blade to top, established angle gradually switchs to 11~12 ° by 24~25 °.Seven blades of the present utility model use Unequal distance angular distribution, with reference to Airfoil Design, forward inclined type design and the design of twisted blade flow pattern, can effectively reduce noise, improve the intensity of blade, reduce the aerodynamic loss of fan, improve the efficiency of fan.
Description
Technical field
The utility model belongs to fan technology field, and in particular to a kind of fan blade of vehicle radiator fan.
Background technology
With the progress in epoch, vehicle factor has more requirements to acoustic mass, and it is low not require nothing more than global noise, and
More focus on its interior quality and comfortableness, it is desirable to which on noise spectrum, the noise difference (tonal noise) of successive bands can not
More than specific limit value.For automobile-used radiator fan, its air quantity, efficiency and noise are main performance indications, and vapour
The link of VAVE (value engineering and value analysis) cost declining in car design, vehicle factor require product lightweight.It is existing
In the fan of automobile engine heat radiation, leaf blade number is eight, and quality weight moment of torsion is big, and the small radiating efficiency of air quantity is low and noise
Greatly.Therefore it is badly in need of developing a kind of fan blade of Wind Volume high efficiency low noise lightweight, to meet the feelings of existing product flow performance
Under condition, the weight of product is reduced, reduces cost.
Utility model content
Quality weight, the technical problem that air quantity is small and noise is big for the fan blade of vehicle radiator fan in the prior art, this
The purpose of utility model is the fan blade for providing the vehicle radiator fan that a kind of light weight, air quantity are big and noise is small.
The fan blade of vehicle radiator fan of the present utility model includes wheel hub, blade and shield solar or lunar halo, and the blade is around described
Wheel hub arranges that the blade root of the blade is connected with the wheel hub, and the leaf top of the blade is connected with the shield solar or lunar halo of periphery；Institute
It is seven to state blade quantity, and uses Airfoil Design, and the section line of some circular arcs, blade principal character are equidistantly taken along blade radial
Parameter includes：
(a) blade non-equidistantly distributed
The position line using the line of root of blade midpoint and hub centre as each blade, the folder between the line of adjacent position
Angle is designated as distribution angle, and distribution angle is followed successively by：50~52 °, 47~49 °, 56~57 °, 48~49 °, 48~49 °, 56~
57 °, 49~50 °；
(b) blade uses forward inclined type
Line, the leading edge point of any section line and the company of hub centre on the basis of hub centre and the line of blade root leading edge point
The angle of line and datum line is designated as the kyphotic angle of the section line；It is high as leaf to the difference of the distance of hub centre using leaf top and blade root,
From blade root between the high position of 65~75% leaves, blade is regularly backward curved, and antecurvature angle gradually becomes -7~-9 ° by 0 °；From
Between 65~75% leaves up to Ye Ding positions, blade gradually becomes 16~18 ° significantly to antecurvature by -7~-9 °；
(c) blade angle
Chord length line is designated as with the line of section line leading edge point and trailing edge point, the angle for plane that chord length line is square with the axis is designated as pacifying
Angle is filled, from root of blade to top, established angle gradually switchs to 11~12 ° by 24~25 °.
In some preferred embodiments of the present utility model, when the section line of 11 circular arc is equidistantly taken along blade radial, from
Root to the antecurvature angle of each section line of top vane is followed successively by 0 °, -4~-3 °, -6~-5 °, -7~-6 °, -8~-7 °, and -8
~-7 °；- 7~-6 °, -4~-3 °, 2~3 °, 8~9 °, 16~17 °.
Preferably, from root of blade to top, established angle is followed successively by 24~25 ° at each section line, 21~22 °, 19~
20 °, 17~18 °, 16~17 °, 15~16 °, 13~14 °, 12~13 °, 11.5~12.5 °, 11~12 °, 11~12 °.
In some preferred embodiments of the present utility model, the hub diameter and the shield solar or lunar halo diameter ratio be 0.4~
0.42。
For example one in specific embodiment, the hub diameter is 164~166mm；The shield solar or lunar halo a diameter of 393~
395mmmm。
Preferably, the distance between any section line leading edge point and trailing edge point are designated as aerofoil profile chord length, it is equidistant along blade radial
When taking the section line of 11 circular arc, from root of blade to top, each section line aerofoil profile chord length is followed successively by 56~57mm, 59~
60mm, 61~62mm, 62~63mm, 63~64mm, 63~64mm, 63~64mm, 63~64mm, 63~64mm, 62~63mm,
61~62mm.
The beneficial effects of the utility model are：
1. fan blade of the present utility model contains seven blades and uses Unequal distance angular distribution, advantage is not only reduce
Total sound pressure level of noise, and the order noise of fan can be improved, sound quality is improved, is more suitable for the comfort level of human ear.
2. forward inclined type blade construction, by appropriate antecurvature angle, optimizing flow field, the effect for reducing noise is served；
Blade is suitably antecurvature effectively to suppress blade tip eddy, so as to help to delay " stall " to produce, expand steady working condition scope；Separately
Outside, forward curved vane structure, by appropriate antecurvature angle, the intensity of blade can be improved.
3. vane tip is improved blade strength, overcome when high speed rotates, blade is centrifuging using shield solar or lunar halo structure
Antecurvature angle and the large change of vane airfoil profile established angle, ensure that the runnability of fan blade caused by radially being stretched under power effect
Big change is not had.Simultaneously as the support reinforcing effect of shield solar or lunar halo, overcomes the irregular of blade when rotating at a high speed and trembles
It is dynamic, the extraordinary noise caused by blade is shaken is avoided, so as to optimize the level of comfort of sound.
4. the fan blade carries out blade flow pattern design according to twisted blade is theoretical, and combines Aerodynamics, using change
Circular rector Method for Flow Pattern Design, it is distributed the acting of blade and more conforms to the characteristics of motion, so as to has given play to higher power and energy effect
Benefit.According to the blade shape of above-mentioned design, blade angle and kyphotic angle scheme, the fan blade of making can suppress blade suction
The Hydrodynamic turbulence of fluid lift-off phenomenon and blade trailing edge on face.
5. blade is designed using aerofoil section, blade has excellent hydrodynamic characteristics when rotated, has excellent
Lift-drag ratio.The aerofoil section obtained using trace-point method, can obtain aerodynamic excellent in performance so that aerodynamic lift reaches
To balance aerodynamic drag and frictional resistance.The aerodynamic loss of fan is reduced, improves the efficiency of fan.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the fan blade of vehicle radiator fan of the present utility model；
Fig. 2 is the front schematic view of the fan blade of vehicle radiator fan of the present utility model；
Fig. 3 is the blade profile schematic diagram of the fan blade of vehicle radiator fan of the present utility model；
Fig. 4 is blade branch angle and the kyphotic angle schematic diagram of the fan blade of vehicle radiator fan of the present utility model；
Fig. 5 is the blade angle and aerofoil profile chord length schematic diagram of the fan blade of vehicle radiator fan of the present utility model.
Reference
Wheel hub 1, blade 2, protect solar or lunar halo 3, coupling structure 4, section line 2a, distribution angle A1, antecurvature angle A2, setting angle
α, aerofoil profile chord length C.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail.It should be understood that following examples are only used for
Bright the utility model is not for restriction the scope of the utility model.
Embodiment 1
Fig. 1 show the fan blade of the vehicle radiator fan of the preferred embodiment of the utility model one, is integral molded plastic product, bag
Include wheel hub 1, blade 2 and shield solar or lunar halo 3.Totally seven, blade 2, is arranged around wheel hub 1, is connected in Ye Dingchu with shield solar or lunar halo 3, in blade root
Place is connected with wheel hub 1, and the center of wheel hub 1 is provided with coupling structure 4.Fan blade can be assembled integrally by coupling structure 4 with motor shaft, then
Fan assembly of radiator is assembled into wind shelling cover, fan assembly is assembled together with components such as condenser boxs and forms the cold of automobile
But module.
Wherein, 1 a diameter of 164~166mm of wheel hub；It is 393~395mmmm to protect the internal diameter of solar or lunar halo 3, and shield solar or lunar halo 3 thickness is 2.5
~3mm.
The design key of the fan blade is the design of blade 2, and blade 2 uses Isolated Airfoil design method, along blade radial
The equidistant section line (2a shown in Fig. 2) for taking 11 arcs, section is as shown in figure 3, blade main characteristic parameters are as follows：
(a) blade non-equidistantly distributed
The position line using the line of root of blade midpoint and hub centre as each blade, the folder between the line of adjacent position
Angle is designated as distribution angle (A1 shown in Fig. 4), and distribution angle is followed successively by：50~52 °, 47~49 °, 56~57 °, 48~49 °, 48
~49 °, 56~57 °, 49~50 °；
(b) blade uses forward inclined type
Line, the leading edge point of any section line and the company of hub centre on the basis of hub centre and the line of blade root leading edge point
The angle of line and datum line is designated as the kyphotic angle (A2 shown in Fig. 4) of the section line；With leaf top and blade root to hub centre away from
Poor high for leaf from it, from blade root between the high position of 70% leaf, blade is regularly backward curved；From 70% leaf up to Ye Ding positions it
Between, blade is significantly to antecurvature；Specifically, it is followed successively by 0 ° from root to the antecurvature angle of each section line of top vane, -4~-3 °, -
6~-5 °, -7~-6 °, -8~-7 °, -8~-7 °；- 7~-6 °, -4~-3 °, 2~3 °, 8~9 °, 16~17 °.
(c) blade angle
Chord length line is designated as with the line of section line leading edge point and trailing edge point, the angle for plane that chord length line is square with the axis is designated as pacifying
Fill angle (α shown in Fig. 5), from root of blade to top, established angle gradually switchs to 11~12 ° by 24~25 °.Specifically, from leaf
Piece root to top, established angle is followed successively by 24~25 ° at each section line, 21~22 °, 19~20 °, 17~18 °, 16~17 °, and 15
~16 °, 13~14 °, 12~13 °, 11.5~12.5 °, 11~12 °, 11~12 °.
(d) the distance between any section line leading edge point and trailing edge point are designated as aerofoil profile chord length C, and 11 are equidistantly taken along blade radial
During the section line of individual circular arc, from root of blade to top, each section line aerofoil profile chord length C is followed successively by 56~57mm, 59~60mm,
61~62mm, 62~63mm, 63~64mm, 63~64mm, 63~64mm, 63~64mm, 63~64mm, 62~63mm, 61~
62mm。
Above-mentioned blade main characteristic parameters are as shown in table 1 after arranging
Table 1：Blade main characteristic parameters
Seven blades in the utility model use Unequal distance angular distribution, are set with reference to above-mentioned Airfoil Design, forward inclined type
Meter and the design of twisted blade flow pattern, noise can be effectively reduced, the intensity of blade is improved, reduces the aerodynamic loss of fan, improves wind
The efficiency of fan.
The preferred embodiment created to the utility model above is illustrated, but the utility model is created not
It is limited to embodiment, those skilled in the art are a variety of etc. without prejudice to can also make under the utility model precondition for innovation
Same modification or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of fan blade of vehicle radiator fan, it includes wheel hub, blade and shield solar or lunar halo, the blade and surrounds the wheel hub cloth
Put, the blade root of the blade is connected with the wheel hub, and the leaf top of the blade is connected with the shield solar or lunar halo of periphery；Its feature exists
In the blade quantity is seven, and uses Airfoil Design, and the section line of some circular arcs, blade master are equidistantly taken along blade radial
Characteristic parameter is wanted to include：
(a) blade non-equidistantly distributed
The position line using the line of root of blade midpoint and hub centre as each blade, the angle note between the line of adjacent position
For distribution angle, distribution angle is followed successively by：50~52 °, 47~49 °, 56~57 °, 48~49 °, 48~49 °, 56~57 °, 49
~50 °；
(b) blade uses forward inclined type
On the basis of the line of hub centre and blade root leading edge point line, the leading edge point of any section line and the line of hub centre and
The angle of datum line is designated as the kyphotic angle of the section line；It is high as leaf to the difference of the distance of hub centre using leaf top and blade root, from leaf
Root is between the high position of 65~75% leaves, and blade is regularly backward curved, and antecurvature angle gradually becomes -7~-9 ° by 0 °；From 65~
Between 75% leaf up to Ye Ding positions, blade gradually becomes 16~18 ° significantly to antecurvature by -7~-9 °；
(c) blade angle
Chord length line is designated as with the line of section line leading edge point and trailing edge point, the angle for plane that chord length line is square with the axis is designated as installing
Angle, from root of blade to top, established angle gradually switchs to 11~12 ° by 24~25 °.
2. the fan blade of vehicle radiator fan as claimed in claim 1, it is characterised in that 11 circular arcs are equidistantly taken along blade radial
The section line of shape, the antecurvature angle from root to each section line of top vane are followed successively by 0 °, -4~-3 °, -6~-5 °, -7~-
6 °, -8~-7 °, -8~-7 °；- 7~-6 °, -4~-3 °, 2~3 °, 8~9 °, 16~17 °.
3. the fan blade of vehicle radiator fan as claimed in claim 2, it is characterised in that from root of blade to top, each section
Established angle is followed successively by 24~25 ° at line, 21~22 °, 19~20 °, 17~18 °, 16~17 °, 15~16 °, 13~14 °, 12~
13 °, 11.5~12.5 °, 11~12 °, 11~12 °.
4. the fan blade of vehicle radiator fan as claimed in claim 2, it is characterised in that the hub diameter and the shield solar or lunar halo
Diameter ratio is 0.4~0.42.
5. the fan blade of vehicle radiator fan as claimed in claim 4, it is characterised in that the hub diameter be 164~
166mm；A diameter of 393~the 395mm of the shield solar or lunar halo.
6. the fan blade of vehicle radiator fan as claimed in claim 5, it is characterised in that any section line leading edge point and trailing edge point
The distance between be designated as aerofoil profile chord length, from root of blade to top, each section line aerofoil profile chord length is followed successively by 56~57mm, 59~
60mm, 61~62mm, 62~63mm, 63~64mm, 63~64mm, 63~64mm, 63~64mm, 63~64mm, 62~63mm,
61~62mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019600.8U CN207178299U (en) | 2017-08-15 | 2017-08-15 | A kind of fan blade of vehicle radiator fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019600.8U CN207178299U (en) | 2017-08-15 | 2017-08-15 | A kind of fan blade of vehicle radiator fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178299U true CN207178299U (en) | 2018-04-03 |
Family
ID=61740871
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721019600.8U Active CN207178299U (en) | 2017-08-15 | 2017-08-15 | A kind of fan blade of vehicle radiator fan |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825553A (en) * | 2018-07-18 | 2018-11-16 | 成都华川电装有限责任公司 | The blade structure of aerofoil fan |
| CN110307178A (en) * | 2019-06-27 | 2019-10-08 | 上海马陆日用友捷汽车电气有限公司 | A kind of low-noise impeller |
| CN110439856A (en) * | 2019-07-31 | 2019-11-12 | 上海马陆日用友捷汽车电气有限公司 | A kind of axial cooling fan assembling structure |
| CN110857701A (en) * | 2018-08-23 | 2020-03-03 | 广东威灵电机制造有限公司 | Blade arrangement method of impeller |
| CN112555178A (en) * | 2019-09-10 | 2021-03-26 | 徐州戴卡斯町科技有限公司 | Fan blade for heat dissipation of diesel engine |
-
2017
- 2017-08-15 CN CN201721019600.8U patent/CN207178299U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825553A (en) * | 2018-07-18 | 2018-11-16 | 成都华川电装有限责任公司 | The blade structure of aerofoil fan |
| CN110857701A (en) * | 2018-08-23 | 2020-03-03 | 广东威灵电机制造有限公司 | Blade arrangement method of impeller |
| CN110307178A (en) * | 2019-06-27 | 2019-10-08 | 上海马陆日用友捷汽车电气有限公司 | A kind of low-noise impeller |
| CN110439856A (en) * | 2019-07-31 | 2019-11-12 | 上海马陆日用友捷汽车电气有限公司 | A kind of axial cooling fan assembling structure |
| CN112555178A (en) * | 2019-09-10 | 2021-03-26 | 徐州戴卡斯町科技有限公司 | Fan blade for heat dissipation of diesel engine |
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