CN211642106U - Lower air deflector of automobile and mounting structure thereof - Google Patents
Lower air deflector of automobile and mounting structure thereof Download PDFInfo
- Publication number
- CN211642106U CN211642106U CN201922141354.9U CN201922141354U CN211642106U CN 211642106 U CN211642106 U CN 211642106U CN 201922141354 U CN201922141354 U CN 201922141354U CN 211642106 U CN211642106 U CN 211642106U
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- Prior art keywords
- air deflector
- automobile
- aviation baffle
- lower air
- car
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- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000003351 stiffener Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 32
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 206010023204 Joint dislocation Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The utility model aims at providing an aviation baffle and mounting structure under car to be used for improving the airflow direction of car front end cooling module department, improve the cooling travelling comfort and the dynamic property of car. The utility model discloses an aviation baffle includes bar platelike structure's aviation baffle body under the car, and the key lies in the front end an organic whole of aviation baffle body is formed with shank protection crossbeam, and the middle part top surface of aviation baffle body is equipped with the sealing part that extends to aviation baffle both sides down, and the rear end and the both sides of aviation baffle body are equipped with a plurality of and are used for being fixed in the connecting portion on the automobile body with aviation baffle down. The lower air deflector of the automobile combines the requirements of the whole automobile heat management and pedestrian protection, and the lower air deflector of the front-end module and the shank protection beam are combined into one component, so that the lower air deflector of the automobile not only has a blocking effect on idle speed backflow, but also effectively reduces the average air inlet temperature in front of an intercooler; and cooling air completely enters the cooling module at a high speed, so that turbulence in the cabin is reduced, wind resistance is reduced, and the pedestrian protection performance can be improved.
Description
Technical Field
The utility model belongs to the technical field of the automobile structure.
Background
As the amount of automobile retention increases year by year, the cooling comfort and the power performance of the vehicle are receiving more attention. The periphery of the front-end cooling module is not well sealed (as shown in fig. 4), when an automobile runs at idle speed and low speed, after cooling air flow 14 passes through a cooling fan, formed hot air flow 15 flows back to the front of the cooling module under pressure difference and enters again to form a closed loop, so that the average temperature entering a condenser is increased, the pressure of an idle air conditioner compressor is high, and the cooling comfort performance is reduced; if the vehicle is a turbocharged vehicle type, the average temperature entering an intercooler is increased, and finally the air inlet temperature of an engine is also increased, so that the dynamic property of a special working condition of driving-idling-driving is influenced; when the automobile runs at high speed, part of airflow entering the engine room through the front-end grille escapes to the engine room without passing through the cooling module, so that the wind resistance of the whole automobile is increased.
Vehicle pedestrian protection is because the regulation upgrading also is the performance that must satisfy, and when vehicle and pedestrian bump, lower shank receives fracture even more serious injury easily, and the shank protects the effect that the crossbeam played pedestrian shank strong point, prevents the excessive bending and the dislocation of knee, has also protected children's crowd simultaneously, reduces children and has bored the vehicle bottom and cause the secondary injury that rolls. As pedestrian protection regulations become more stringent, more vehicles are beginning to be equipped with lower leg protection cross members.
Disclosure of Invention
The utility model aims at providing an aviation baffle and mounting structure under car to be used for improving the airflow direction of car front end cooling module department, improve the cooling travelling comfort and the dynamic property of car.
The utility model discloses an aviation baffle includes bar platelike structure's aviation baffle body under the car, and the key lies in the front end an organic whole of aviation baffle body is formed with shank protection crossbeam, and the middle part top surface of aviation baffle body is equipped with the sealing part that extends to aviation baffle both sides down, and the rear end and the both sides of aviation baffle body are equipped with a plurality of and are used for being fixed in the connecting portion on the automobile body with aviation baffle down.
The mounting structure of the lower air deflector of the automobile is as follows: the rear end of the air deflector body is fixedly connected with the lower water tank cross beam through the connecting portion, two sides of the air deflector body are fixedly connected with the front anti-collision cross beam supporting plate through the connecting portion, the front end of the shank protecting cross beam is in lap joint with the inner side of the rear end of the front automobile bumper, and the top surface of the sealing portion is attached to the bottom surface of the intercooler.
The two sides of the lower air deflector are matched with the left air deflector and the right air deflector of the front-end cooling module, so that the periphery of the front-end cooling module is completely sealed, high-temperature air flow coming out of the cooling fan is prevented from flowing back to the front from the lower part of the intercooler, and the average air inlet temperature of the condenser and the intercooler can be reduced; the air inlet efficiency of the intercooler is increased at high speed, and cooling air flow entering the grille is prevented from escaping from the lower part of the intercooler without passing through the intercooler; when the vehicle collides with a pedestrian, the shank protection cross beam can reduce the bending moment degree and the impact acceleration of the legs of the pedestrian, and the collision absorption energy is buffered, so that the purpose of protecting the shanks of the pedestrian is achieved.
Furthermore, a plurality of energy-absorbing ribs extending along the Y direction are uniformly distributed on the shank protection cross beam, and a plurality of layers of steps are distributed on the shank protection cross beam along the X direction. When the pedestrian shin part collides with the vehicle, the front protective skin is compressed and transmits load to the shin protective beam, so that the impact speed is reduced, the front end face of the shin protective beam can bounce the lower part of the pedestrian shin part after the pedestrian shin part moves to a certain stage, the bending moment degree and the impact acceleration are reduced, the collision absorption energy is buffered, and the purpose of protecting the pedestrian shin part is achieved.
In order to improve the strength of the air deflector body, the air deflector body is provided with a reinforcing rib.
The lower air deflector of the automobile combines the requirements of the whole automobile heat management and pedestrian protection, and the lower air deflector of the front-end module and the shank protection beam are combined into one component, so that the lower air deflector of the automobile not only has a blocking effect on idle speed backflow, but also effectively reduces the average air inlet temperature in front of an intercooler; and cooling air completely enters the cooling module at a high speed, so that turbulence in the cabin is reduced, wind resistance is reduced, and the pedestrian protection performance can be improved.
Drawings
Fig. 1 is a schematic structural view of a lower wind deflector according to embodiment 1.
Fig. 2 is a rear view of the lower deflector of example 1.
Fig. 3 is a schematic view illustrating an installation position of the lower air guide plate according to embodiment 1.
Fig. 4 is a schematic cross-sectional view of a prior art front end cooling module.
Fig. 5 is a schematic sectional view at the front end cooling module in embodiment 1.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, and the like.
Example 1:
this embodiment provides aviation baffle under car and mounting structure thereof to be used for improving the air current flow direction of car front end cooling module department, improve the cooling travelling comfort and the dynamic property of car, can improve pedestrian's protective properties simultaneously
As shown in fig. 1 and 2, the lower air deflector of the present embodiment includes an air deflector body 1 having a strip-shaped plate structure, a shank protection cross beam 2 is integrally formed at a front end of the air deflector body 1, a strip-shaped sealing portion 3 extending to two sides of the lower air deflector is disposed on a top surface of a middle portion of the air deflector body 1, and a plurality of connecting portions 4 for fixing the lower air deflector to a vehicle body are disposed at a rear end and two sides of the air deflector body 1. In this embodiment, the connecting portion 4 is a bolt hole, and may be designed to be a snap or the like as needed, which is not described herein again.
A plurality of energy absorption ribs 21 extending along the Y direction (i.e., the vehicle width direction) are uniformly distributed on the lower leg protection cross beam 2, and a plurality of steps 22 are distributed on the lower leg protection cross beam 2 along the X direction (i.e., the vehicle length direction). When the pedestrian shank collides with the vehicle, the front protective skin is compressed and transmits load to the shank protective beam 2, so that the impact speed is reduced, the front end face of the shank protective beam 2 can bounce the lower part of the pedestrian shank after moving to a certain stage, the bending moment degree and the impact acceleration are reduced, the collision absorption energy is buffered, and the purpose of protecting the pedestrian shank is achieved.
In order to improve the strength of the air deflector body 1, the air deflector body 1 is provided with latticed reinforcing ribs.
As shown in fig. 3 and 5, fig. 5 is a Y-sectional view of the front end portion of the engine compartment, the rear end of the lower air deflector body 1 is fixedly connected to the lower water tank cross beam 5 by bolts, both sides of the air deflector body 1 are fixedly connected to the front anti-collision cross beam support plate 6 by bolts, the front end of the lower leg protection cross beam 2 extends to the front bumper 7 of the automobile in the front of the automobile in the X direction and is overlapped with the inner side of the rear end of the front bumper 7, a gap of about 8mm is left between the lower end face of the intercooler 8 due to a certain relative displacement between the air deflector body 1 and the intercooler 8, and the top face of the sealing portion 3 is attached to the bottom face of the intercooler 8 to seal the gap. Cooling air flow 14 blows in from the grille 9, flows through the condenser 10 and the radiator 11, is blown out backwards by the cooling fan 12, and the two sides of the lower air deflector are matched with the left air deflector 13, the right air deflector 13 and the upper air deflector 16 of the front-end cooling module, so that the periphery of the front-end cooling module is completely sealed, high-temperature air flow from the cooling fan 12 is prevented from flowing back to the front from the lower part of the intercooler 8, and the average inlet air temperature of the condenser 10 and the intercooler 8 is reduced; the air inlet efficiency of the intercooler 8 is increased at high speed, and the cooling air flow entering the grille 9 is prevented from escaping from the lower part of the intercooler 8 without passing through the intercooler 8; when the vehicle collides with a pedestrian, the shank protection cross beam 2 can reduce the bending moment degree and the impact acceleration of the legs of the pedestrian, buffer the collision and absorb energy, and achieve the purpose of protecting the shanks of the pedestrian.
Through simulation calculation of a flow field and a temperature field, when a vehicle is in an idling working condition, the temperature of high-temperature airflow flowing back to the front from the lower part of the intercooler 8 is 70-80 ℃, fresh air entering from the grille 9 is mixed with heat flowing back from the lower part of the intercooler 8, the average inlet air temperature is about 62 ℃, after the vehicle is provided with the lower air deflector of the embodiment, the average inlet air temperature of the condenser 10 is reduced by about 4 ℃, and the average inlet air temperature of the intercooler 8 is reduced by 8-10 ℃. Therefore, the average air inlet temperature of the intercooler 8 can be reduced when the automobile runs at idle speed and low speed, the air inlet temperature of the turbocharged engine is reduced, and the dynamic property of the automobile in low-speed climbing or idle starting is improved. In addition, this embodiment has still been compromise the pedestrian protection function, has promoted the security performance of vehicle. The air deflector body 1, the shank protection cross beam 2 and the connecting structure in the embodiment are integrated into a whole, and can be integrally formed by injection molding, so that the installation is convenient, and the cost is low.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (4)
1. The lower air deflector of the automobile comprises an air deflector body with a strip-shaped plate structure and is characterized in that a shank protection cross beam is integrally formed at the front end of the air deflector body, sealing parts extending to the two sides of the lower air deflector are arranged on the top surface of the middle of the air deflector body, and a plurality of connecting parts used for fixing the lower air deflector on an automobile body are arranged at the rear end and the two sides of the air deflector body.
2. The lower wind deflector of claim 1, wherein the lower leg protection beam is uniformly distributed with a plurality of energy absorption ribs extending along the Y direction, and the lower leg protection beam is distributed with a plurality of steps along the X direction.
3. The lower air deflector of claim 1 or 2, wherein the air deflector body is provided with a stiffener.
4. The mounting structure of the automobile lower air deflector comprises the automobile lower air deflector as claimed in claim 1, and is characterized in that the rear end of the air deflector body is fixedly connected with a lower water tank cross beam through the connecting part, two sides of the air deflector body are fixedly connected with a front anti-collision cross beam supporting plate through the connecting part, the front end of a shank protecting cross beam is in lap joint with the inner side of the rear end of an automobile front bumper, and the top surface of a sealing part is attached to the bottom surface of an intercooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141354.9U CN211642106U (en) | 2019-12-04 | 2019-12-04 | Lower air deflector of automobile and mounting structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922141354.9U CN211642106U (en) | 2019-12-04 | 2019-12-04 | Lower air deflector of automobile and mounting structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211642106U true CN211642106U (en) | 2020-10-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922141354.9U Active CN211642106U (en) | 2019-12-04 | 2019-12-04 | Lower air deflector of automobile and mounting structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211642106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977645A (en) * | 2021-04-08 | 2021-06-18 | 东风汽车集团股份有限公司 | Automobile front end flow guide device integrated with pedestrian protection function |
| CN114407642A (en) * | 2022-01-12 | 2022-04-29 | 中国第一汽车股份有限公司 | Electricelectric motor car air guide plate structure |
| CN114837800A (en) * | 2022-06-10 | 2022-08-02 | 奇瑞汽车股份有限公司 | Intercooler air guide structure |
-
2019
- 2019-12-04 CN CN201922141354.9U patent/CN211642106U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977645A (en) * | 2021-04-08 | 2021-06-18 | 东风汽车集团股份有限公司 | Automobile front end flow guide device integrated with pedestrian protection function |
| CN114407642A (en) * | 2022-01-12 | 2022-04-29 | 中国第一汽车股份有限公司 | Electricelectric motor car air guide plate structure |
| CN114407642B (en) * | 2022-01-12 | 2023-09-26 | 中国第一汽车股份有限公司 | Pure electric vehicles aviation baffle structure |
| CN114837800A (en) * | 2022-06-10 | 2022-08-02 | 奇瑞汽车股份有限公司 | Intercooler air guide structure |
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