CN109018034B - Formula car heat dissipation is with bionical wind-guiding structure of integral type - Google Patents
Formula car heat dissipation is with bionical wind-guiding structure of integral type Download PDFInfo
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- CN109018034B CN109018034B CN201810792524.7A CN201810792524A CN109018034B CN 109018034 B CN109018034 B CN 109018034B CN 201810792524 A CN201810792524 A CN 201810792524A CN 109018034 B CN109018034 B CN 109018034B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
Abstract
The invention particularly relates to an integrated bionic air guide structure for heat dissipation of an equation car, and solves the problem that the heat dissipation structure of the existing equation car is easy to cause strain and damage of an engine internal kinematic pair to influence the performance of the equation car. The bottom ends of the first covering plate and the second covering plate are provided with a first flanging plate and a second flanging plate, the top ends of the first covering plate and the second covering plate are provided with a third covering plate, the plane where the first flanging plate and the second flanging plate are located is provided with a strip-shaped radiator mounting opening, the inner wall of the third covering plate is provided with a first spoiler and a second spoiler, and the transverse section curve shape of the third covering plate is the shape of the outline curve of the snakehead under the static state. According to the invention, through reasonably organizing the air flow passing through the radiator, the air resistance is reduced, the air flow required by the design of the radiator is achieved, the heat dissipation efficiency is improved, the mass is greatly reduced, the strength is higher, and the aerodynamic performance of the racing car is improved.
Description
Technical Field
The invention relates to a heat dissipation structure of an equation car, in particular to an integrated bionic air guide structure for heat dissipation of the equation car.
Background
The formula car competition (FSAE) rule of college students limits the engine displacement to be less than 610cc, each fleet usually adopts a large-displacement motorcycle engine as the engine of the formula car, but the formula car adopting the large-displacement motorcycle engine has larger mass compared with the original motorcycle, is limited by a race track and has lower speed, so that compared with the operating condition environment of the original motorcycle, the engine load of the formula car is larger, the heat exchange amount of air passing through a radiator and the radiator is less, and the heat load of the engine is larger.
If the cooling system can not take away the redundant heat of the engine in time, the strength of the metal material of the kinematic pair in the engine can be reduced at high temperature, so that the kinematic pair is worn, damaged or even damaged, and the reliability, the dynamic property and the economical efficiency of the racing car are further influenced.
Disclosure of Invention
The invention provides an integrated bionic air guide structure for heat dissipation of an equation car, and aims to solve the problem that the heat dissipation structure of the existing equation car is easy to cause damage to kinematic pairs in an engine and influence the performance of the equation car.
The invention is realized by adopting the following technical scheme: the utility model provides an equation motorcycle race is bionical wind-guiding structure of integral type for heat dissipation, including first overlay and the second overlay of mutual parallel arrangement, the bottom of first overlay and second overlay is provided with to both inboards bend and with the first turn-ups board and the second turn-ups board of frame connection, the top of first overlay and second overlay is provided with the third overlay with both integrations, it has the strip radiator installing port that the fore-and-aft direction slope set up to open on the plane at first turn-ups board and second turn-ups board place, and the third overlay inner wall is provided with the first spoiler and the second spoiler of controlling the distribution, the transverse section curve shape of third overlay is snakehead outline curve shape under static.
Before operation, the radiator is installed at the installation opening of the strip-shaped radiator, most of air flow entering the radiator comes from a narrow flow channel passing through the inner side of a front wheel of the formula racing car and a car body, and the width of the opening of the air guide structure is approximately the same as that of the narrow flow channel, so that most of air flow can enter the air guide mechanism, and the air flow entering the radiator is guaranteed.
When air flow contacts the air guide mechanism, air which does not enter the air guide mechanism flows to the outer side of the rear wheel along the outer part of the streamlined bionic third covering plate, the air flow which is over against the rear wheel is reduced, the streamlined bionic third covering plate is realized by adopting a three-dimensional modeling combined research method for calculating fluid mechanics analysis, and the contour curve of a three-dimensional model is obtained by selecting freshwater fish snakeheads which are easy to obtain in the north and have higher traveling speed, extracting the contour curve of the snakeheads in a static state by adopting image processing software and fitting the geometric characteristic curve of the snakeheads; a part of air entering the air guide mechanism passes through the radiator and exchanges heat with the radiator to take away heat of the radiator so as to reduce the temperature of the radiator; the other part of air flows out from the gap between the radiator and the air guide mechanism, and is guided to the upper part of the rear wheel through the arrangement of the first spoiler and the second spoiler, so that the inflow air over against the rear wheel is reduced, the air resistance of the vehicle is further reduced, and the problem that the performance of the formula car is influenced by the damage of the kinematic pair in the engine and the damage of the heat dissipation structure of the conventional formula car is solved.
The equation for the transverse cross-sectional profile of the third cover plate is f (x) p1x2+p2x+p3Wherein the parameter p1The value range of (1) is-0.003 to-0.0076, and the parameter p2Has a value in the range of 0.3466 to 0.6918 and a parameter p3The value of (a) is in the range of-0.5841 to 8.082.
The inclination angle α of the strip-shaped heat sink mounting opening is 30 DEG, and the width w is 80mm to 100 mm.
The distance L between the front end of the third covering plate and the first flanging plate1200mm to 220mm, and the distance L between the rear end of the third covering plate and the first flanging plate2300mm to 350 mm.
The radius of curvature R of the over-rounding of the first and second and third cover plates is 50mm to 80mm each.
Shortest distance H between the first spoiler and the second cover plate2200mm to 220mm, the shortest distance H between the second spoiler and the second cover plate1100mm to 120 mm; height L of the first spoiler and the second spoiler3The first spoiler and the second spoiler are of circular arc-shaped horizontal cross sections and are positioned behind the mounting opening of the strip-shaped radiator, and the thickness of the first spoiler and the second spoiler is 100mm to 120 mm.
The first covering plate, the second covering plate, the third covering plate, the first flanging plate, the second flanging plate, the first spoiler and the second spoiler are all made by bonding carbon fiber cloth and resin wrapped on the outer surface of the carbon fiber cloth.
Table 1 shows a comparative experiment of air resistance and air flow through a radiator performed on the integrated bionic air guide structure for heat dissipation of an equation car, the air guide structure 1 and the air guide structure 2 under the same condition. The air guide structure I is a structure without a third covering plate transition fillet and an internal spoiler; the air guide structure II is a structure without an internal spoiler. Establishing a simulation wind tunnel in an ANSYS Workbench DM module, dividing grids in a Mesh module, performing simulation calculation on the whole vehicle external flow field in Fluent software, and setting the calculation boundary conditions at an inlet as a speed inlet: 15m/s, the calculated boundary conditions at the outlet are pressure outlet: 0 Pa. And monitoring the resistance coefficient of the whole vehicle and the air flow passing through the radiator.
TABLE 1 simulation test results
Experimental test results show that the integrated bionic air guide structure for heat dissipation of the formula car has smaller air resistance, and the flow passing through the radiator meets the design requirement of the radiator.
The air flow through the radiator is reasonably organized, air resistance is reduced, the air flow required by the design of the radiator is achieved, heat dissipation efficiency is improved, the mass is greatly reduced, the strength is high, and the aerodynamic performance of the racing car is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of fig. 1.
In the figure: 1-a first covering plate, 2-a second covering plate, 3-a first flanging plate, 4-a second flanging plate, 5-a third covering plate, 6-a strip-shaped radiator mounting opening, 7-a first spoiler and 8-a second spoiler.
Detailed Description
Example 1
The utility model provides an integral type bionical wind-guiding structure is used in equation motorcycle race heat dissipation, including first overlay 1 and the second overlay 2 of mutual parallel arrangement, the bottom of first overlay 1 and second overlay 2 is provided with to the inboard first turn-ups board 3 and the second turn-ups board 4 of bending and being connected with the frame between them, the top of first overlay 1 and second overlay 2 is provided with third overlay 5 with between them an organic whole, open the strip radiator installing port 6 that the fore-and-aft direction slope set up on the plane that first turn-ups board 3 and second turn-ups board 4 are located, and third overlay 5 inner wall is provided with first spoiler 7 and the second spoiler 8 of left and right sides distribution, the horizontal cross section curve shape of third overlay 5 is the snakehead outline curve shape under static.
The transverse cross-sectional curve equation of the third cover plate 5 is f (x) p1x2+p2x+p3Wherein the parameter p1Has a value range of-0.003 and a parameter p2Has a value range of 0.3466, ginsengNumber p3The value range of (a) is 2, and the value range of x is-9 mm to 580 mm.
The inclination angle α of the strip-shaped heat sink mounting port 6 is 30 °, and the width w is 80 mm.
The distance L between the front end of the third covering plate 5 and the first flanging plate 31200mm, the distance L between the rear end of the third covering plate 5 and the first flanging plate 32Is 300 mm.
The radius of curvature R of the over-rounding of the first and second cover plates 1, 2 and the third cover plate 5 is 50mm each.
The shortest distance H between the first spoiler 7 and the second cover plate 22200mm to 220mm, the shortest distance H between the second spoiler 8 and the second cover plate 21100mm to 120 mm; the height L of the first spoiler 7 and the second spoiler 83The first spoiler 7 and the second spoiler 8 have circular arc-shaped horizontal cross sections and are located behind the strip-shaped radiator mounting opening 6, wherein the circular arc-shaped horizontal cross sections are 100mm to 120 mm.
The first covering plate 1, the second covering plate 2, the third covering plate 5, the first flanging plate 3, the second flanging plate 4, the first spoiler 7 and the second spoiler 8 are all made of carbon fiber cloth and resin wrapped on the outer surface of the carbon fiber cloth in an adhesion mode.
Example 2
The utility model provides an integral type bionical wind-guiding structure is used in equation motorcycle race heat dissipation, including first overlay 1 and the second overlay 2 of mutual parallel arrangement, the bottom of first overlay 1 and second overlay 2 is provided with to the inboard first turn-ups board 3 and the second turn-ups board 4 of bending and being connected with the frame between them, the top of first overlay 1 and second overlay 2 is provided with third overlay 5 with between them an organic whole, open the strip radiator installing port 6 that the fore-and-aft direction slope set up on the plane that first turn-ups board 3 and second turn-ups board 4 are located, and third overlay 5 inner wall is provided with first spoiler 7 and the second spoiler 8 of left and right sides distribution, the horizontal cross section curve shape of third overlay 5 is the snakehead outline curve shape under static.
The transverse cross-sectional curve equation of the third cover plate 5 is f (x) p1x2+p2x+p3Wherein the parameter p1Value ofRanging from-0.003 to-0.0076, parameter p2Has a value in the range of 0.3466 to 0.6918 and a parameter p3The value of (a) is in the range of-0.5841 to 8.082.
The inclination angle α of the strip-shaped heat sink mounting port 6 is 30 °, and the width w is 80mm to 100 mm.
The distance L between the front end of the third covering plate 5 and the first flanging plate 31200mm to 220mm, the distance L between the rear end of the third covering plate 5 and the first flanging plate 32Is 330mm to 350 mm.
The radius of curvature R of the over-rounding of the first and second cover plates 1, 2 and the third cover plate 5 is 50mm to 80mm each.
The shortest distance H between the first spoiler 7 and the second cover plate 22200mm to 220mm, the shortest distance H between the second spoiler 8 and the second cover plate 21100mm to 120 mm; the height L of the first spoiler 7 and the second spoiler 83The first spoiler 7 and the second spoiler 8 have circular arc-shaped horizontal cross sections and are located behind the strip-shaped radiator mounting opening 6, wherein the circular arc-shaped horizontal cross sections are 100mm to 120 mm.
The first covering plate 1, the second covering plate 2, the third covering plate 5, the first flanging plate 3, the second flanging plate 4, the first spoiler 7 and the second spoiler 8 are all made of carbon fiber cloth and resin wrapped on the outer surface of the carbon fiber cloth in an adhesion mode.
Example 3
The utility model provides an integral type bionical wind-guiding structure is used in equation motorcycle race heat dissipation, including first overlay 1 and the second overlay 2 of mutual parallel arrangement, the bottom of first overlay 1 and second overlay 2 is provided with to the inboard first turn-ups board 3 and the second turn-ups board 4 of bending and being connected with the frame between them, the top of first overlay 1 and second overlay 2 is provided with third overlay 5 with between them an organic whole, open the strip radiator installing port 6 that the fore-and-aft direction slope set up on the plane that first turn-ups board 3 and second turn-ups board 4 are located, and third overlay 5 inner wall is provided with first spoiler 7 and the second spoiler 8 of left and right sides distribution, the horizontal cross section curve shape of third overlay 5 is the snakehead outline curve shape under static.
The equation for the transverse cross-sectional profile of the third cover plate 5 isf(x)＝p1x2+p2x+p3Wherein the parameter p1The value range of (1) is-0.003 to-0.0076, and the parameter p2Has a value in the range of 0.3466 to 0.6918 and a parameter p3The value of (a) is in the range of-0.5841 to 8.082.
The inclination angle α of the strip-shaped heat sink mounting port 6 is 30 °, and the width w is 80mm to 100 mm.
The distance L between the front end of the third covering plate 5 and the first flanging plate 31200mm to 220mm, the distance L between the rear end of the third covering plate 5 and the first flanging plate 32Is 330mm to 350 mm.
The radius of curvature R of the over-rounding of the first and second cover plates 1, 2 and the third cover plate 5 is 50mm to 80mm each.
The shortest distance H between the first spoiler 7 and the second cover plate 22200mm to 220mm, the shortest distance H between the second spoiler 8 and the second cover plate 21100mm to 120 mm; the height L of the first spoiler 7 and the second spoiler 83The first spoiler 7 and the second spoiler 8 have circular arc-shaped horizontal cross sections and are located behind the strip-shaped radiator mounting opening 6, wherein the circular arc-shaped horizontal cross sections are 100mm to 120 mm.
The first covering plate 1, the second covering plate 2, the third covering plate 5, the first flanging plate 3, the second flanging plate 4, the first spoiler 7 and the second spoiler 8 are all made of carbon fiber cloth and resin wrapped on the outer surface of the carbon fiber cloth in an adhesion mode.
Claims (3)
1. The utility model provides a bionical wind-guiding structure of integral type for equation motorcycle race heat dissipation which characterized in that: the radiator comprises a first covering plate (1) and a second covering plate (2) which are arranged in parallel, a first flanging plate (3) and a second flanging plate (4) which are bent towards the inner sides of the first covering plate (1) and the second covering plate (2) and connected with a frame are arranged at the bottom ends of the first covering plate (1) and the second covering plate (2), a third covering plate (5) which is integrated with the first covering plate (1) and the second covering plate (2) is arranged at the top ends of the first covering plate (1) and the second covering plate (2), a strip-shaped radiator mounting opening (6) which is obliquely arranged in the front-back direction is formed in the plane where the first flanging plate (3) and the second flanging plate (4) are located, a first spoiler (7) and a second spoiler (8) which are distributed in the left-right directionThe transverse section curve equation of the cover plate (5) is f (x) p1x2+p2x+p3Wherein the parameter p1The value range of (1) is-0.003 to-0.0076, and the parameter p2Has a value in the range of 0.3466 to 0.6918 and a parameter p3The range of the third cover plate is-0.5841 to 8.082, the range of the x is-9 mm to 580mm, the inclination angle α of the strip-shaped radiator mounting opening (6) is 30 degrees, the width w is 80mm to 100mm, and the distance L between the front end of the third cover plate (5) and the first flanging plate (3)1200mm to 220mm, and the distance L between the rear end of the third covering plate (5) and the first flanging plate (3)2300mm to 350 mm; the shortest distance H between the first spoiler (7) and the second covering plate (2)2200mm to 220mm, the shortest distance H between the second spoiler (8) and the second covering plate (2)1100mm to 120 mm; the height L of the first spoiler (7) and the second spoiler (8)3The thickness of the first spoiler (7) is 100mm to 120mm, the horizontal section of the first spoiler (7) and the horizontal section of the second spoiler (8) are arc-shaped structures, and the first spoiler and the second spoiler are positioned behind the strip-shaped radiator mounting opening (6).
2. The integrated bionic air guide structure for heat dissipation of the formula racers as claimed in claim 1, wherein: the radius of curvature R of the transition fillet of the first cover plate (1) and the third cover plate (5) is 50mm to 80 mm; the radius of curvature R of the transition fillets of the second cover plate (2) and the third cover plate (5) is 50mm to 80 mm.
3. The integrated bionic air guide structure for heat dissipation of the formula racers as claimed in claim 1 or 2, wherein: the first covering plate (1), the second covering plate (2), the third covering plate (5), the first flanging plate (3), the second flanging plate (4), the first spoiler (7) and the second spoiler (8) are all made of carbon fiber cloth and resin wrapped on the outer surface of the carbon fiber cloth in an adhesion mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792524.7A CN109018034B (en) | 2018-07-18 | 2018-07-18 | Formula car heat dissipation is with bionical wind-guiding structure of integral type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810792524.7A CN109018034B (en) | 2018-07-18 | 2018-07-18 | Formula car heat dissipation is with bionical wind-guiding structure of integral type |
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| CN109018034A CN109018034A (en) | 2018-12-18 |
| CN109018034B true CN109018034B (en) | 2020-04-14 |
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| DE2306317A1 (en) * | 1973-02-09 | 1974-08-15 | Porsche Ag | MOTOR VEHICLES, IN PARTICULAR PASSENGER CARS |
| DE3542376A1 (en) * | 1985-11-30 | 1987-06-04 | Porsche Ag | MOTOR VEHICLE WITH A BENDING PART THAT IS NEAR A ROAD |
| JP4444773B2 (en) * | 2004-09-21 | 2010-03-31 | マツダ株式会社 | Front bumper structure of automobile |
| US9327780B1 (en) * | 2015-09-17 | 2016-05-03 | Volvo Truck Corporation | Aerodynamic bumper center deflector for a truck or tractor vehicle |
| CN206297637U (en) * | 2016-12-22 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | Automotive front end refrigerating module guiding device |
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Effective date of registration: 20211207 Address after: Room 1506, block C, Kechuang headquarters building, No. 320, pubin Road, Nanjing area, Nanjing Free Trade Zone, Jiangsu 210008 Patentee after: Zihui (Nanjing) Technology Co.,Ltd. Address before: 030024 No. 79 West Main Street, Taiyuan, Shanxi, Yingze Patentee before: Taiyuan University of Technology |
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Effective date of registration: 20220803 Address after: Room A261, 4th Floor, Building 4, Incubation Base, No. 11 Kangshou Street, Tanghuai Industrial Park, Taiyuan City, Shanxi Province, 030000 Patentee after: Qingze intelligent (Taiyuan) Technology Co.,Ltd. Address before: Room 1506, block C, Kechuang headquarters building, No. 320, pubin Road, Nanjing area, Nanjing Free Trade Zone, Jiangsu 210008 Patentee before: Zihui (Nanjing) Technology Co.,Ltd. |
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