CN104118482B - Car roof vortex generator and car with car roof vortex generator - Google Patents
Car roof vortex generator and car with car roof vortex generator Download PDFInfo
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- CN104118482B CN104118482B CN201410292255.XA CN201410292255A CN104118482B CN 104118482 B CN104118482 B CN 104118482B CN 201410292255 A CN201410292255 A CN 201410292255A CN 104118482 B CN104118482 B CN 104118482B
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- spoiler
- diversion seat
- car
- roof
- diversion
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- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000000875 corresponding Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention relates to a car roof vortex generator and a car with the car roof vortex generator. The car roof vortex generator comprises a diversion base and a spoiler, wherein the diversion base is used for being fixed to the top of the tail of the car, and the spoiler is arranged corresponding to the diversion base. The diversion base and the spoiler respectively comprise a transverse part extending in the width direction of the car. The diversion base comprises a head portion facing towards the head portion of the car. The spoiler comprises a buckled position and a diversion body, wherein the spoiler is buckled on the diversion base in the direction perpendicular to the transverse direction in the buckled position, and the diversion body forms a protrusion with the smooth and arc-shaped top together with the diversion base when the spoiler moves to the buckled position. The spoiler further comprises an unfolded position and an arc-shaped lower surface, wherein the spoiler moves to the inclined rear portion of the top of the spoiler and extends out of the tail of the car in the unfolded position, and the arc-shaped lower surface is used for leading air flow to the rear portion of the tail of the car when the spoiler moves to the unfolded position. The car roof vortex generator further comprises a transmission mechanism which is connected with the spoiler in a transmission mode so as to drive the spoiler to move between the buckled position and the unfolded position. The car roof vortex generator has the cleaning function when the spoiler is located in the unfolded position, and driving resistance can be reduced in the driving process when the spoiler is located in the buckled position.
Description
Technical field
The present invention relates to roof spoiler and the vehicle using this roof spoiler.
Background technology
Continuous improvement with automobile pollution and environment continuous worsening, people are more and more heavier to the energy-saving and emission-reduction of automobile
Depending on.Resistance when automobile at the uniform velocity travels mainly includes aerodynamic drag and rolling resistance, and rolling resistance varies less with speed increase,
And aerodynamic drag is directly proportional to speed square, can be increased dramatically with speed increase.In general when speed is higher than 70km/h, gas
Dynamic resistance can produce to oil consumption and significantly affect.Particularly commercial car, is similar to cuboid current commercial car afterbody, this allows for more
The turbulence intensity of its tail wind is big, and negative pressure is low, defines larger aerodynamic drag.Reducing aerodynamic drag during running car is
Reduce one of effective way of discharge, at present, in order to reduce aerodynamic drag, had multiple devices, such as spoiler, vortex occur
Device etc., they by guiding air-flow, or can make air-flow separate the turbulence intensity to reduce tail wind in advance, reaches lifting
Tail wind pressure, reduces the purpose of automobile running resistance.In addition, being affected by factors such as vehicle exhaust, engineering constructions, now
The dust of in the air dramatically increases, and so that the dust pollution problem of car surface is become increasingly conspicuous；And during existing commercial car traveling
Mostly a pair of separated whirlpool can be formed, during traveling, the dirt on ground can be rolled by the whirlpool of lower section at the vertical plane of symmetry of afterbody,
The dirt that the whirlpool of top can will wind up again takes rear window to, forms the pollution of whole back；And, vehicle travelled in the rainy day
When, muddy water often can splash to the tailstock, and impact is attractive in appearance, increases maintenance cost.
Application No. 201320302724.2, Authorization Notice No. are that the Chinese patent of CN 203268172 U discloses one kind
Automobile tail fin, i.e. spoiler, including wing plate and support, support includes base and the strut for being installed to wing plate on base,
Strut is connected on base by angle-adjusting mechanism, and the top surface of wing plate and the angle of strut are 75-85 °, and the bottom surface of wing plate is in
The arc raising up, during use, the air pressure above wing plate will be greater than the air pressure below wing plate, increases the earth-grasping force of trailing wheel,
Improve stability during running car and safety；Meanwhile, the air-flow below wing plate is guided to car by the lower arcuate surface of wing plate
At tail, because negative pressure forms vortex at the tailstock, thus when travelling the rainy day, effectively being washed away to the tailstock by air-flow, keeping away
Exempt from the problem that automobile tail is stained with rainwater and mud.But, above-mentioned spoiler of the prior art supports and is arranged on tailstock top
Portion, and there is certain angle with direction of flow in wing plate, and the air-flow flowing through rear car glass pane directly can impact automobile tail fin, thus
The air resistance coefficient leading to vehicle increases, and this spoiler does not possess Telescopic, will lead to automobile fuel consumption when running at high speed
Increase.In addition, if flow-disturbing plate shape is improper or installation site is incorrect, additional spoiler may also cause rear axle
Negative pressure is excessive and leads to headstock to lift, and has influence on the stability of traveling.
Content of the invention
It is an object of the invention to provide a kind of have cleaning function and can reduce what aerodynamic drag when running at high speed increased
Roof spoiler, meanwhile, present invention also offers a kind of vehicle using this roof spoiler.
In the present invention, roof spoiler employed technical scheme comprise that：Roof spoiler, including for being fixed to tailstock top
Diversion seat and correspondence described diversion seat setting spoiler, described diversion seat and spoiler are respectively provided with for the width along vehicle
It is horizontal that direction extends, and described diversion seat has for the front portion towards vehicle head；Described spoiler has for along vertically
Fasten to the fastening position on described diversion seat in horizontal direction and be collectively forming top when moving to and fastening position with diversion seat
Portion is the baffle of smooth arc convex；Spoiler also has the rear ramp for moving to spoiler top and stretches out the tailstock
Launch position and have for move to launch position when by the arcuate lower surface of air-flow facing tailstock rear drain；Described roof
Flow spoiler also includes and described spoiler is in transmission connection to drive spoiler in the driver fastening position and launch motion between position
Structure.
Described diversion seat be shelly, have between the back edge of its highest position and diversion seat bottom surface backwards for described
The opening that spoiler fastens.
In the longitudinal direction, the size being smaller in size than after diversion seat extreme higher position before diversion seat extreme higher position.
Described spoiler is the arc of uniform wall thickness.
Described drive mechanism includes at least one drive link, and described diversion seat is provided with the avoidance sky passing through for drive link
Between, one end of described drive link is the fixing end being fixedly connected with spoiler, the other end be through described diversion seat and with corresponding
The driving end that is in transmission connection of retractor device.
In the present invention, a kind of vehicle employed technical scheme comprise that：A kind of vehicle, including car body and roof spoiler, described car
Top flow spoiler includes being fixed on the diversion seat at tailstock top and the spoiler of correspondence described diversion seat setting, described diversion seat and disturbing
Stream plate is respectively provided with the horizontal of the width extension along vehicle, and described diversion seat has the front portion towards vehicle head；Described disturb
Stream plate has for along the fastening position fastening to perpendicular to horizontal direction on described diversion seat and when moving to fastening position
It is collectively forming the baffle that top is smooth arc convex with diversion seat；Spoiler also has for moving to spoiler top
Rear ramp and stretch out the tailstock launch position and have for move to launch position when by the rear drain of air-flow facing tailstock
Arcuate lower surface；Described roof spoiler also includes being in transmission connection with described spoiler to drive spoiler fastening position and expansion
The drive mechanism of motion between position.
Described diversion seat be shelly, have between the back edge of its highest position and diversion seat bottom surface backwards for described
The opening that spoiler fastens.
In the longitudinal direction, the size being smaller in size than after diversion seat extreme higher position before diversion seat extreme higher position.
Described spoiler is the arc of uniform wall thickness.
Described drive mechanism includes at least one drive link, and described diversion seat is provided with the avoidance sky passing through for drive link
Between, one end of described drive link is the fixing end being fixedly connected with spoiler, the other end be through described diversion seat and with corresponding
The driving end that is in transmission connection of retractor device.
The present invention adopts technique scheme, diversion seat and spoiler to be respectively provided with for the width extension along vehicle
Laterally, spoiler drive mechanism effect under move to the fastening position fastening on diversion seat when, can with diversion seat common shape
Become the baffle that top is smooth arc convex, thus forming streamlined entirety so that the flow spoiler under this state is as few as possible
Ground causes partial pressure differential resistance to increase, and is capable of the air-flow of disturbance roof afterbody, so that tail wind is separated in advance, reduces afterbody
The turbulence intensity of air-flow, lifts afterbody pressure, reduces aerodynamic drag when vehicle travels；And spoiler is under drive mechanism effect
When moving to expansion position, it will stretch out the car back of the body, rely on arcuate lower surface by the rear drain of air-flow facing tailstock, suppress underbody portion gas
The dirts such as dust that on stream, winding rises, muddy water；Meanwhile, spoiler, using activity setting, keeps in galloping closing up
State, reduces wind resistance coefficient of whole vehicle, thus reducing the purpose of aerodynamic drag when running at high speed；Although spoiler launches
Also result in the increase of air resistance coefficient, but if at this moment automobile driving speed is slower, then aerodynamic drag will not become impact
The key factor of complete-vehicle oil consumption, also would not substantially increase oil consumption, can reach the purpose of cleaning back, when taking into account high speed simultaneously again
Drag reduction, cleans this two advantages of back during low speed.
Brief description
Fig. 1 be a kind of vehicle in the present invention an embodiment in spoiler be in launch position when structural representation；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the structural representation that in Fig. 1, spoiler is in when fastening position；
Fig. 4 is the perspective view of roof spoiler in Fig. 1, is also of roof spoiler in the present invention simultaneously
The structural representation of embodiment；
Fig. 5 is the structural representation of another angle of Fig. 4.
The each reference of in figure is corresponding entitled：10 car bodies, 20 roof spoilers, 21 diversion seats, 211 openings, 22 disturb
Stream plate, 221 arcuate lower surface, 23 drive links, 30 retractor devices.
Specific embodiment
In the present invention, a kind of one of vehicle enforcement, for example shown in Fig. 1 ~ Fig. 5, is a kind of commercial car, includes car body 10 and sets
Put the roof spoiler 20 in the tailstock.Wherein roof spoiler 20 include diversion seat 21 for being fixed to tailstock top and, right
The spoiler 22 of diversion seat 21 setting and the drive link 23 being in transmission connection with spoiler 22, diversion seat 21 and spoiler 22 is answered all to have
Have horizontal for the width extension along vehicle.
Diversion seat 21 is shelly, has for the front portion towards vehicle head；Spoiler 22 is the arc of uniform wall thickness,
Have for along the fastening position fastening to perpendicular to horizontal direction on diversion seat 21, and move to fasten position when and water conservancy diversion
Seat 21 is collectively forming the baffle that top is smooth arc convex.After the highest position of diversion seat 21 and diversion seat 21 bottom surface
There is between edge the opening 211 that confession spoiler 22 backwards fastens, when spoiler 22 moves to fastening position, can be with diversion seat
21 combine closely, and it is overall to form streamlined, in the longitudinal direction, are smaller in size than water conservancy diversion before diversion seat 21 extreme higher position
Size after seat 21 extreme higher positions, that is, be not provided with opening 211 side is smaller in size than the size being provided with opening 211 side, meets stream
Mechanic principle, is obtained in that optimal drag-reduction effect.Spoiler 22 also have for move to spoiler 22 top oblique after
The expansion position of the tailstock is simultaneously stretched out by side, and have for move to launch position when by the arc of air-flow facing tailstock rear drain
Lower surface 221, blows to tailstock back with the air-flow flowing through car body 10 top under the guiding of spoiler 22.
Roof spoiler 20 also include with spoiler 22 be in transmission connection with drive spoiler 22 fasten position and expansion position it
Between motion drive mechanism.Drive mechanism includes, for being arranged on retractor device 30 and the drive link 23 within the tailstock, passing
The fixing end that the centre position that one end of lever 23 is horizontal with spoiler 22 is fixedly connected, the other end is through diversion seat 21 simultaneously
The driving end being in transmission connection with retractor device 30, diversion seat 21 is accordingly provided with the avoidance space passing through for drive link 23.Stretch
Compression apparatus 30 can take various forms, for example pneumatic cylinder, hydraulic cylinder, electric pushrod etc., as long as can be driven with drive link 23
Connect to drive spoiler 22 to move in fastening position and expansion position.Retractor device 30 can using Non-follow control it is also possible to
Using electrical control, such as settings button, rely on the driving to spoiler 22 for the button realization, concrete control mode and structure herein
No longer describe in detail.
Diversion seat 21 in above-mentioned roof spoiler 20 can be fixed by existing means such as welding, threaded, rivetings
To car body 10 afterbody, the concrete shape of diversion seat 21 and spoiler 22, installation site, the length of drive link 23 and setting angle need
In conjunction with the shape itself of car body 10, obtained using existing Fluid Mechanics Computation analysis method, to obtain optimal effect, this is
It is attainable that those skilled in the art are not required to pay creative work.Spoiler 22 and drive link 23 adopt high-strength material system
Become it is ensured that during galloping, move to and launch the spoiler 22 of position and will not deform.Generally, spoiler 22
Be in fastening position, diversion seat 21 can be combined closely with spoiler 22, and formed one fairshaped overall so that having under this state
The partial pressure differential resistance increase that the roof spoiler 20 having cleaning function causes is as few as possible；Meanwhile, and can disturbance roof afterbody
Air-flow, reduce tail wind turbulence intensity with reduce commercial car travel when aerodynamic drag.When commercial car travels in dust
More road surface, or the rainy day travel in muddy road surface, driver manually control or instrumental panel button control drive mechanism drive
Drive link 23 action, makes spoiler 22 be in expansion position, after spoiler 22 can move to the commercial car tailstock, and slightly above commercialization
Form the interval flow through for air-flow between the top of car, and car body 10.Now, the air-flow flowing through commercial car upper surface can be in flow-disturbing
Blowing to the back of commercial car under the guiding of plate 22, thus suppressing air-flow below commercial car afterbody to roll the dirt on ground, preventing business
It is contaminated with car back.After commercial car sails out of dirt more section, driver presses the button again and packs up spoiler 22, real
Having showed cleaning function, and can reduce the aerodynamic drag itself leading to increases, and structure is simple, easy to operate.In general, vehicle
Very fast in highway driving, road surface is also relatively clean, can close up flow spoiler, and when urban pavement or road conditions are poor usual road
Face is also dirtier, and travel speed is relatively low, now can open flow spoiler cleaning back, thus having taken into account drag reduction during high speed, low speed
This two advantages of Shi Qingjie back.
In the present invention, an embodiment of roof spoiler is the roof spoiler 20 in a kind of embodiment of above-mentioned vehicle,
Here is omitted.
In the above-described embodiments, the opening 211 diversion seat 21 fastening for spoiler 22 is arranged on diversion seat 21 highest order
Put between place and the back edge of diversion seat 21 bottom surface, spoiler 22 is the arc of uniform wall thickness, and drive mechanism is using flexible
Device 30 and a drive link 23.In other embodiments of the invention, diversion seat 21 supplies the opening 211 that spoiler 22 fastens
Other forms can also be arranged to, such as the back with diversion seat 21 bottom surface at the segment distance of diversion seat 21 extreme higher position rear one
Between edge, opening 211 is set, as long as ensure that spoiler 22 is formed the arcuate lower surface of air-flow facing tailstock rear drain
221, cleaning action can be played.In addition, the shape of spoiler 22 can also be according to top surface streamline structure and bottom surface drain
The demand of structure, is designed to the even arc of wall unevenness.Furthermore, in other embodiments, drive mechanism can also be substituted for
Other forms, as long as can drive spoiler 22 fastening position and launching to move between position；And be driven in above-described embodiment
The quantity of bar 23 can also be more than two, and the transverse ends of for example corresponding spoiler 22 are respectively provided with a drive link 23.
Claims (10)
1. roof spoiler it is characterised in that：Set including the diversion seat and corresponding described diversion seat for being fixed to tailstock top
The spoiler put, described diversion seat and spoiler are respectively provided with horizontal, the described diversion seat extending for the width along vehicle
Have for the front portion towards vehicle head；Described spoiler has for along fastening to described water conservancy diversion perpendicular to horizontal direction
Fastening position and being collectively forming, with diversion seat, the baffle that top is smooth arc convex when moving to and fastening position on seat；Disturb
Stream plate also has for moving to the rear ramp at spoiler top and stretching out the expansion position of the tailstock and have for moving to
Launch during position by the rear drain of air-flow facing tailstock, to guide the air-flow flowing through car body top to blow to the arc following table at tailstock back
Face, arcuate lower surface bends from front to back gradually downward；Described roof spoiler also include with described spoiler be in transmission connection with
Drive spoiler in the drive mechanism fastening position and launch motion between position.
2. roof spoiler according to claim 1 it is characterised in that：Described diversion seat is shelly, its highest position
There is and the back edge of diversion seat bottom surface between the opening fastening for described spoiler backwards.
3. roof spoiler according to claim 2 it is characterised in that：In the longitudinal direction, diversion seat extreme higher position it
The front size being smaller in size than after diversion seat extreme higher position.
4. the roof spoiler according to claim 1 or 2 or 3 it is characterised in that：Described spoiler is the arc of uniform wall thickness
Shape plate.
5. the roof spoiler according to claim 1 or 2 or 3 it is characterised in that：Described drive mechanism includes at least one
Drive link, described diversion seat is provided with the avoidance space passing through for drive link, and one end of described drive link is to fix with spoiler
The fixing end connecting, the other end is the driving end being in transmission connection through described diversion seat and with corresponding retractor device.
6. a kind of vehicle, including car body and roof spoiler it is characterised in that：Described roof spoiler includes being fixed on tailstock top
The diversion seat in portion and the spoiler of correspondence described diversion seat setting, described diversion seat and spoiler are respectively provided with the width side along vehicle
Horizontal to extend, described diversion seat has the front portion towards vehicle head；Described spoiler has for along perpendicular to horizontal
Direction fasten to fastening position on described diversion seat and to be collectively forming top when moving to and fastening position with diversion seat be flat
The baffle of sliding arc convex；Spoiler also has for moving to the rear ramp at spoiler top and stretching out the expansion position of the tailstock
And have for flowing through the air-flow of car body top and blowing by the rear drain of air-flow facing tailstock, to guide when moving to and launching position
To the arcuate lower surface at tailstock back, arcuate lower surface bends from front to back gradually downward；Described roof spoiler also include with
Described spoiler is in transmission connection to drive spoiler in the drive mechanism fastening position and launch motion between position.
7. a kind of vehicle according to claim 6 it is characterised in that：Described diversion seat be shelly, its highest position with
There is between the back edge of diversion seat bottom surface the opening fastening for described spoiler backwards.
8. a kind of vehicle according to claim 7 it is characterised in that：In the longitudinal direction, before diversion seat extreme higher position
The size being smaller in size than after diversion seat extreme higher position.
9. a kind of vehicle according to claim 6 or 7 or 8 it is characterised in that：Described spoiler is the arc of uniform wall thickness
Plate.
10. a kind of vehicle according to claim 6 or 7 or 8 it is characterised in that：Described drive mechanism includes at least one
Drive link, described diversion seat is provided with the avoidance space passing through for drive link, and one end of described drive link is to fix with spoiler
The fixing end connecting, the other end is the driving end being in transmission connection through described diversion seat and with corresponding retractor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292255.XA CN104118482B (en) | 2014-06-26 | 2014-06-26 | Car roof vortex generator and car with car roof vortex generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410292255.XA CN104118482B (en) | 2014-06-26 | 2014-06-26 | Car roof vortex generator and car with car roof vortex generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104118482A CN104118482A (en) | 2014-10-29 |
| CN104118482B true CN104118482B (en) | 2017-02-15 |
Family
ID=51764177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410292255.XA Active CN104118482B (en) | 2014-06-26 | 2014-06-26 | Car roof vortex generator and car with car roof vortex generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN104118482B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627806B (en) * | 2017-03-03 | 2022-11-08 | 吉林大学 | Commercial vehicle detachable wind resistance reducing device suitable for multi-wind road section |
| CN108945117A (en) * | 2018-08-22 | 2018-12-07 | 东风商用车有限公司 | A kind of commercial vehicle spoiler control structure and its control method |
| CN110056082B (en) * | 2019-05-08 | 2020-08-25 | 重庆交通大学 | Wind-resistant house capable of reducing vortex formation on surface of roof |
| CN114954704A (en) * | 2022-06-10 | 2022-08-30 | 蔚来汽车科技(安徽)有限公司 | Spoiler assembly for vehicle and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1689157A1 (en) * | 1989-12-29 | 1991-11-07 | М.С. Артюхов | Roof rack |
| CN101947981A (en) * | 2010-10-18 | 2011-01-19 | 石金成 | Energy-saving fender for motor vehicle |
| CN204021029U (en) * | 2014-06-26 | 2014-12-17 | 郑州宇通客车股份有限公司 | A kind of roof spoiler and use the vehicle of this roof spoiler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634223Y2 (en) * | 1988-05-07 | 1994-09-07 | ダイキョー・ベバスト株式会社 | Rear spoiler device |
| KR20060072429A (en) * | 2004-12-23 | 2006-06-28 | 현대자동차주식회사 | Apparatus for rear spoiler |
| KR20060088866A (en) * | 2006-07-13 | 2006-08-07 | 조 원 장 | Spoiler with flap of ground vehicles |
| US8684447B2 (en) * | 2010-05-06 | 2014-04-01 | SmartTruck Systems, Inc. | Devices and methods for reducing vehicle drag |
| US8789383B2 (en) * | 2011-03-29 | 2014-07-29 | Thermo King Corporation | Vehicle fairing for use with air conditioning unit |
-
2014
- 2014-06-26 CN CN201410292255.XA patent/CN104118482B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1689157A1 (en) * | 1989-12-29 | 1991-11-07 | М.С. Артюхов | Roof rack |
| CN101947981A (en) * | 2010-10-18 | 2011-01-19 | 石金成 | Energy-saving fender for motor vehicle |
| CN204021029U (en) * | 2014-06-26 | 2014-12-17 | 郑州宇通客车股份有限公司 | A kind of roof spoiler and use the vehicle of this roof spoiler |
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| Publication number | Publication date |
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| CN104118482A (en) | 2014-10-29 |
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Address after: 450061 Yutong Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co., Ltd Address before: 450016 shibalihe Yutong Industrial Park, Zhengzhou City, Henan Province Patentee before: Zhengzhou Yutong Bus Co., Ltd |