CN104118482A - 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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- CN104118482A CN104118482A CN201410292255.XA CN201410292255A CN104118482A CN 104118482 A CN104118482 A CN 104118482A CN 201410292255 A CN201410292255 A CN 201410292255A CN 104118482 A CN104118482 A CN 104118482A
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- spoiler
- diversion seat
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- roof
- car
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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 use the vehicle of this roof spoiler.
Background technology
Along with the lasting deterioration with environment that improves constantly of automobile pollution, people more and more pay attention to the energy-saving and emission-reduction of automobile.Resistance when automobile at the uniform velocity travels mainly comprises aerodynamic drag and rolling resistance, and it is very little that rolling resistance increases variation with the speed of a motor vehicle, and aerodynamic drag is directly proportional to the speed of a motor vehicle square, can sharply increase with speed of a motor vehicle increase.In general when the speed of a motor vehicle is during higher than 70km/h, aerodynamic drag can produce obviously impact to oil consumption.Commercial vehicle/comm..vehicle particularly, the how close cuboid that is similar to of commercial vehicle/comm..vehicle afterbody at present, this just makes the turbulence intensity of its tail wind large, and negative pressure is low, has formed larger aerodynamic drag.Aerodynamic drag while reducing running car is one of effective way reducing discharge, at present, in order to reduce aerodynamic drag, there is multiple device, as spoiler, vortex generator etc., they can pass through guiding air-flow, or make the air-flow separated turbulence intensity that reduces tail wind in advance, reach and promote tail wind pressure, reduce the object of automobile running resistance.In addition, be subject to the impact of the factors such as vehicle exhaust, engineering construction, present airborne dust significantly increases, and also makes the dust pollution problem of car surface become increasingly conspicuous; And existing commercial vehicle/comm..vehicle can form pair of separated whirlpool in the vertical plane of symmetry place of afterbody while travelling mostly, in driving process, the whirlpool of below can be rolled the dirt on ground, and the whirlpool of top can take the dirt of rolling to again back window glass, forms the pollution of whole back; And when vehicle travelled in the rainy day, muddy water often can splash to the tailstock, affect attractive in appearancely, increased maintenance cost.
Application number is 201320302724.2, Granted publication number discloses a kind of automobile tail fin for the Chinese patent of CN 203268172 U, it is spoiler, comprise wing plate and support, support comprises base and for wing plate being installed to the strut on base, strut is connected on base by angle-adjusting mechanism, the end face of wing plate and the angle of strut are 75-85 °, the bottom surface of wing plate is the arc raising up, during use, the air pressure of wing plate top will be greater than the air pressure of wing plate below, increased the earth-grasping force of trailing wheel, the stability while having promoted running car and safety; Meanwhile, the air-flow of wing plate below is guided to tailstock place by the lower arcuate surface of wing plate, at tailstock place because negative pressure forms eddy current, thereby while travelling in the rainy day, actv. washes away the tailstock by air-flow, has avoided automobile tail to be stained with the problem of rainwater and mud.But, above-mentioned spoiler of the prior art supports and is arranged on tailstock top, and wing plate and come flow path direction to have certain angle, the air-flow that flows through vehicle rear window glass can directly impact automobile tail fin, thereby cause the air resistance coefficient of vehicle to increase, and this spoiler does not possess Telescopic, while running at high speed, will cause the increase of automobile fuel consumption.In addition, if spoiler shape is improper or installation site is incorrect, additional spoiler also may make the negative pressure of rear axle excessive and cause headstock to lift, and has influence on the stability of travelling.
Summary of the invention
The object of this invention is to provide and a kind ofly have cleaning function and aerodynamic drag increases can reduce to run at high speed time roof spoiler, meanwhile, the present invention also provides a kind of vehicle that uses this roof spoiler.
The technical scheme that in the present invention, roof spoiler adopts is: roof spoiler, comprise for being fixed to the diversion seat at tailstock top and the spoiler that corresponding described diversion seat arranges, described diversion seat and spoiler all have extend for the Width along vehicle horizontal, and described diversion seat has for the front portion towards vehicle head; Described spoiler has for along fastening to fastening position on described diversion seat perpendicular to horizontal direction and moving to while fastening position and diversion seat forms the baffle that top is level and smooth arc convex jointly; Spoiler also has for moving to the oblique rear at spoiler top and stretching out the expansion position of the tailstock and have for moving to while launching position the arc lower surface of air-flow facing tailstock rear drainage; Described roof spoiler also comprises and described spoiler is in transmission connection to drive spoiler at the transmission device that fastens position and launch motion between position.
Described diversion seat is shelly, has the opening that the described spoiler of confession backwards fastens between its highest position and the lagging dege of diversion seat bottom surface.
On fore-and-aft direction, the size before diversion seat extreme higher position is less than the size after diversion seat extreme higher position.
Described spoiler is the uniform arc of wall thickness.
Described transmission device comprises at least one drive link, described diversion seat is provided with the space of dodging of passing for drive link, one end of described drive link is the fixed end being fixedly connected with spoiler, and the other end is through described diversion seat the driving end that is in transmission connection with corresponding retractor device.
The technical scheme that in the present invention, a kind of vehicle adopts is: a kind of vehicle, comprise car body and roof spoiler, described roof spoiler comprises and is fixed on the diversion seat at tailstock top and the spoiler that corresponding described diversion seat arranges, described diversion seat and spoiler all have extend along the Width of vehicle horizontal, and described diversion seat has the front portion towards vehicle head; Described spoiler has for along fastening to fastening position on described diversion seat perpendicular to horizontal direction and moving to while fastening position and diversion seat forms the baffle that top is level and smooth arc convex jointly; Spoiler also has for moving to the oblique rear at spoiler top and stretching out the expansion position of the tailstock and have for moving to while launching position the arc lower surface of air-flow facing tailstock rear drainage; Described roof spoiler also comprises and described spoiler is in transmission connection to drive spoiler at the transmission device that fastens position and launch motion between position.
Described diversion seat is shelly, has the opening that the described spoiler of confession backwards fastens between its highest position and the lagging dege of diversion seat bottom surface.
On fore-and-aft direction, the size before diversion seat extreme higher position is less than the size after diversion seat extreme higher position.
Described spoiler is the uniform arc of wall thickness.
Described transmission device comprises at least one drive link, described diversion seat is provided with the space of dodging of passing for drive link, one end of described drive link is the fixed end being fixedly connected with spoiler, and the other end is through described diversion seat the driving end that is in transmission connection with corresponding retractor device.
The present invention adopts technique scheme, diversion seat and spoiler all have extend for the Width along vehicle horizontal, when spoiler moves to the fastening position fastening on diversion seat under transmission device effect, can jointly form the baffle that top is level and smooth arc convex with diversion seat, thereby formation streamline type entirety, make the bumper/spoiler under this state cause that as few as possible local pressure drag increases, and air-flow that can disturbance roof afterbody, make tail wind separated in advance, reduce the turbulence intensity of tail wind, promote afterbody pressure, aerodynamic drag while reducing Vehicle Driving Cycle, and spoiler moves to while launching position under transmission device effect, it will stretch out back frame, rely on arc lower surface by the rear drainage of air-flow facing tailstock, the dirts such as the dust that on the air-flow of inhibition car bottom, winding rises, muddy water, meanwhile, spoiler employing activity arranges, and keeps closing up state when galloping, reduces wind resistance coefficient of whole vehicle, thereby reaches the object that reduces the aerodynamic drag while running at high speed, although spoiler can cause the increase of air resistance coefficient while launching equally, if but at this moment automobile driving speed is slower, aerodynamic drag can not become the key factor that affects complete-vehicle oil consumption, just can obviously not increase oil consumption yet, can reach again the object of clean back simultaneously, drag reduction while taking into account high speed, clean these two advantages of back during low speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of spoiler when launching position in an embodiment of a kind of vehicle in the present invention;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the structural representation of spoiler when fastening position in Fig. 1;
Fig. 4 is the perspective view of roof spoiler in Fig. 1, is also the structural representation of an embodiment of roof spoiler in the present invention simultaneously;
Fig. 5 is the structural representation of another angle of Fig. 4.
The name that in figure, each Reference numeral is corresponding is called: 10 car bodies, 20 roof spoilers, 21 diversion seats, 211 openings, 22 spoilers, 221 arc lower surfaces, 23 drive links, 30 retractor devices.
The specific embodiment
In the present invention, a kind of vehicle embodiment, as shown in Fig. 1 ~ Fig. 5, is a kind of commercial vehicle/comm..vehicle, comprises car body 10 and the roof spoiler 20 that is arranged on the tailstock.Wherein roof spoiler 20 comprise for be fixed to tailstock top diversion seat 21 and, the spoiler 22 that arranges of corresponding diversion seat 21 and the drive link 23 being in transmission connection with spoiler 22, diversion seat 21 and spoiler 22 all have for the Width along vehicle, extend laterally.
Diversion seat 21 is shelly, has for the front portion towards vehicle head; Spoiler 22 is the uniform arc of wall thickness, has for along fastening to the fastening position on diversion seat 21 perpendicular to horizontal direction, and is moving to the baffle that is level and smooth arc convex with the common formation of diversion seat 21 top while fastening position.Between the lagging dege of the highest position of diversion seat 21 and diversion seat 21 bottom surfaces, there is the opening 211 fastening for spoiler 22 backwards, spoiler 22 moves to while fastening position, can combine closely with diversion seat 21, form a streamline type entirety, on fore-and-aft direction, size before diversion seat 21 extreme higher positions is less than the size after diversion seat 21 extreme higher positions, the size that opening 211 sides are not set is less than the size that is provided with opening 211 sides, meet fluid mechanics principle, can obtain best drag-reduction effect.Spoiler 22 also has the expansion position for moving to the oblique rear at spoiler 22 tops and stretching out the tailstock, and have for moving to while launching position by the arc lower surface 221 of air-flow facing tailstock rear drainage, so that the air-flow at car body 10 tops of flowing through blows to tailstock back under the guiding of spoiler 22.
Roof spoiler 20 also comprises and spoiler 22 is in transmission connection to drive spoiler 22 at the transmission device that fastens position and launch motion between position.Transmission device comprises for being arranged on retractor device 30 and a drive link 23 of tailstock inside, one end of drive link 23 is the fixed end that the midway location horizontal with spoiler 22 is fixedly connected with, the other end is through diversion seat 21 driving end that is in transmission connection with retractor device 30, is provided with accordingly the space of dodging of passing for drive link 23 on diversion seat 21.Retractor device 30 can adopt various ways, and such as air cylinder, hydraulic actuating cylinder, electric pushrod etc., as long as can be in transmission connection to drive spoiler 22 fastening position and launching position motion with drive link 23.Retractor device 30 can adopt manual control, also can adopt electrical control, for example, button is set, and relies on button to realize the driving to spoiler 22, and concrete mode and structure no longer describe in detail herein.
The existing means such as the diversion seat 21 in above-mentioned roof spoiler 20 can be by welding, be threaded, riveted joint are fixed to car body 10 afterbodys, the length of the concrete shape of diversion seat 21 and spoiler 22, installation site, drive link 23 and setting angle need be in conjunction with self moulding of car body 10, adopt existing computational fluid mechanics analysis method to obtain, to obtain best effect, it is attainable that this is that those skilled in the art do not need to pay creative work.Spoiler 22 and drive link 23 adopt high strength material to make, and while guaranteeing galloping, the spoiler 22 that moves to expansion position can not deform.Generally, spoiler 22 is in fastening position, and diversion seat 21 can be combined closely with spoiler 22, and forms a fleetline integral body, and making to have under this state the local pressure drag that the roof spoiler 20 of cleaning function causes increases the least possible; Meanwhile, air-flow that again can disturbance roof afterbody, the aerodynamic drag when turbulence intensity that reduces tail wind is travelled to reduce commercial vehicle/comm..vehicle.When commercial vehicle/comm..vehicle travels on the more road surface of dust, or the rainy day travel at muddy road surface, chaufeur is by manually controlling or 23 actions of gauge panel push button control transmission device driving drive link, make spoiler 22 in launching position, after spoiler 22 can move to the commercial vehicle/comm..vehicle tailstock, and a little more than the top of commercial vehicle/comm..vehicle, and between car body 10, form the interval of flowing through for air-flow.Now, the air-flow of the commercial vehicle/comm..vehicle upper surface of flowing through can blow to the back of commercial vehicle/comm..vehicle under the guiding of spoiler 22, thereby suppresses the dirt that commercial vehicle/comm..vehicle afterbody below air-flow is rolled ground, prevents that commercial vehicle/comm..vehicle back is contaminated.When commercial vehicle/comm..vehicle sails out of behind the more section of dirt, chaufeur presses the button again packs up spoiler 22, has realized cleaning function, and can reduce the aerodynamic drag that self causes and increase, simple in structure, easy to operate.In general, vehicle is very fast at highway driving, road surface is also cleaner, can close up bumper/spoiler, and urban pavement or road conditions when poor common road surface also dirtier, moving velocity is also lower, now can open the clean back of bumper/spoiler, thereby drag reduction while having taken into account high speed, clean these two advantages of back during low speed.
Roof spoiler 20 in the embodiment that in the present invention, roof spoiler embodiment is above-mentioned a kind of vehicle repeats no more herein.
In the above-described embodiments, the opening 211 fastening for spoiler 22 on diversion seat 21 is arranged between diversion seat 21 highest position and the lagging dege of diversion seat 21 bottom surfaces, spoiler 22 is the uniform arc of wall thickness, and transmission device adopts retractor device 30 and a drive link 23.In other embodiments of the invention, the opening 211 fastening for spoiler 22 on diversion seat 21 also can be arranged to other form, for example between diversion seat one segment distance place, 21 rear, extreme higher position and the lagging dege of diversion seat 21 bottom surfaces, opening 211 is set, as long as can guarantee that spoiler 22 forms the arc lower surface 221 of air-flow facing tailstock rear drainage, can both play cleansing action.In addition, the shape of spoiler 22 also can, according to the demand of end face streamline structure and bottom surface flow guiding structure, be designed to the even arc of wall unevenness.Moreover in other embodiments, transmission device also can replace to other form, as long as can drive spoiler 22 fastening position and launching motion between position; And the quantity of drive link 23 can be also more than two in above-described embodiment, for example the transverse ends of corresponding spoiler 22 arranges respectively a drive link 23.
Claims (10)
1. roof spoiler, it is characterized in that: comprise for being fixed to the diversion seat at tailstock top and the spoiler that corresponding described diversion seat arranges, described diversion seat and spoiler all have extend for the Width along vehicle horizontal, and described diversion seat has for the front portion towards vehicle head; Described spoiler has for along fastening to fastening position on described diversion seat perpendicular to horizontal direction and moving to while fastening position and diversion seat forms the baffle that top is level and smooth arc convex jointly; Spoiler also has for moving to the oblique rear at spoiler top and stretching out the expansion position of the tailstock and have for moving to while launching position the arc lower surface of air-flow facing tailstock rear drainage; Described roof spoiler also comprises and described spoiler is in transmission connection to drive spoiler at the transmission device that fastens position and launch motion between position.
2. roof spoiler according to claim 1, is characterized in that: described diversion seat is shelly, has the opening that the described spoiler of confession backwards fastens between its highest position and the lagging dege of diversion seat bottom surface.
3. roof spoiler according to claim 2, is characterized in that: on fore-and-aft direction, the size before diversion seat extreme higher position is less than the size after diversion seat extreme higher position.
4. according to the roof spoiler described in claim 1 or 2 or 3, it is characterized in that: described spoiler is the uniform arc of wall thickness.
5. according to the roof spoiler described in claim 1 or 2 or 3, it is characterized in that: described transmission device comprises at least one drive link, described diversion seat is provided with the space of dodging of passing for drive link, one end of described drive link is the fixed end being fixedly connected with spoiler, and the other end is through described diversion seat the driving end that is in transmission connection with corresponding retractor device.
6. a vehicle, comprise car body and roof spoiler, it is characterized in that: described roof spoiler comprises and is fixed on the diversion seat at tailstock top and the spoiler that corresponding described diversion seat arranges, described diversion seat and spoiler all have extend along the Width of vehicle horizontal, and described diversion seat has the front portion towards vehicle head; Described spoiler has for along fastening to fastening position on described diversion seat perpendicular to horizontal direction and moving to while fastening position and diversion seat forms the baffle that top is level and smooth arc convex jointly; Spoiler also has for moving to the oblique rear at spoiler top and stretching out the expansion position of the tailstock and have for moving to while launching position the arc lower surface of air-flow facing tailstock rear drainage; Described roof spoiler also comprises and described spoiler is in transmission connection to drive spoiler at the transmission device that fastens position and launch motion between position.
7. a kind of vehicle according to claim 6, is characterized in that: described diversion seat is shelly, has the opening that the described spoiler of confession backwards fastens between its highest position and the lagging dege of diversion seat bottom surface.
8. a kind of vehicle according to claim 7, is characterized in that: on fore-and-aft direction, the size before diversion seat extreme higher position is less than the size after diversion seat extreme higher position.
9. according to a kind of vehicle described in claim 6 or 7 or 8, it is characterized in that: described spoiler is the uniform arc of wall thickness.
10. according to a kind of vehicle described in claim 6 or 7 or 8, it is characterized in that: described transmission device comprises at least one drive link, described diversion seat is provided with the space of dodging of passing for drive link, one end of described drive link is the fixed end being fixedly connected with spoiler, and the other end is through described diversion seat the driving end that is in transmission connection 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 |
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| Publication Number | Publication Date |
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| CN104118482A true CN104118482A (en) | 2014-10-29 |
| CN104118482B CN104118482B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410292255.XA Active CN104118482B (en) | 2014-06-26 | 2014-06-26 | Car roof vortex generator and car with car roof vortex generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627806A (en) * | 2017-03-03 | 2017-05-10 | 吉林大学 | Commercial vehicle detachable wind resistance device suitable for windy road |
| 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 |
| CN110056082A (en) * | 2019-05-08 | 2019-07-26 | 重庆交通大学 | Roofs can be reduced and be vortexed the wind proof house to be formed |
| CN110844469A (en) * | 2019-12-10 | 2020-02-28 | 苏州鸿安机械有限公司 | Quick logistics transport vehicle with outdoor carrying capacity |
| 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 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627806A (en) * | 2017-03-03 | 2017-05-10 | 吉林大学 | Commercial vehicle detachable wind resistance device suitable for windy road |
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| 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 |
| CN110056082A (en) * | 2019-05-08 | 2019-07-26 | 重庆交通大学 | Roofs can be reduced and be vortexed the wind proof house to be formed |
| 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 |
| CN110844469A (en) * | 2019-12-10 | 2020-02-28 | 苏州鸿安机械有限公司 | Quick logistics transport vehicle with outdoor carrying capacity |
| 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 |
| CN114954704B (en) * | 2022-06-10 | 2024-05-14 | 蔚来汽车科技(安徽)有限公司 | Spoiler assembly for vehicle and vehicle |
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| CN104118482B (en) | 2017-02-15 |
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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 |
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