CN113619542A

CN113619542A - Leading cooling system of vehicle and vehicle

Info

Publication number: CN113619542A
Application number: CN202010387230.3A
Authority: CN
Inventors: 蔡昱丹; 樊瑶雯; 徐越鹏; 孙琪
Original assignee: SAIC Motor Corp Ltd
Current assignee: SAIC Motor Corp Ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-11-09
Anticipated expiration: 2040-05-09
Also published as: CN113619542B

Abstract

The invention discloses a front air cooling system of a vehicle and the vehicle, wherein the system comprises the following components: a main intake air door assembly and a flow dividing assembly; the total air inlet air door assembly of the front air cooling system of the vehicle can control the total air inlet amount, and the total air inlet amount is distributed to the first pipeline and the second pipeline by the action of the second driving part driving the flow dividing part so as to respectively cool all parts of a vehicle radiator and a brake system. Therefore, the wind resistance coefficient of the whole vehicle, the air intake of the radiator and the braking capacity can be simultaneously integrated, the wind resistance can be effectively reduced, energy is saved, emission is reduced, and the endurance mileage is increased, so that the vehicle has the capacity of keeping the wind resistance, the heat dissipation of the radiator and the braking performance in the best working condition all the time.

Description

Leading cooling system of vehicle and vehicle

Technical Field

The invention relates to the technical field of cooling of vehicle parts, in particular to a front heat dissipation system of a vehicle and the vehicle.

Background

At present, a front-end heat dissipation system of an automobile mainly comprises radiator air-cooled heat dissipation, brake water-cooled heat dissipation and the like, wherein the whole automobile air resistance performance coefficient factor needs to be considered when the radiator air-cooled heat dissipation works, namely the air inlet volume in the radiator air-cooled heat dissipation system needs to be controlled.

The existing means is an active air inlet grille (AGS), the AGS controls the air inlet quantity entering the radiator by controlling the opening of the blades, and when the radiator needs the air inlet quantity, the blades are closed completely or rotated for a certain angle, so that the wind resistance coefficient of the whole vehicle is reduced. However, the AGS has a plurality of groups of blades, the blades are in a closed state, and when the speed of the vehicle is high, the blades deform due to the existence of positive wind pressure, so that the effect of complete closing cannot be achieved, and the effect of the lowest theoretical wind resistance cannot be achieved. Meanwhile, the AGS only controls the air intake of the radiator, when the vehicle runs at high speed, the AGS is normally in a closed state for reducing wind resistance, and no air enters the front end at the moment, so that the braking performance of the whole vehicle is not improved, the cooling of a braking system is not facilitated, and the service life of a brake pad and the driving safety are affected.

For improving the braking force of the brake and the safety of the brake system, the known existing means are mainly divided into two categories:

1) the material of the brake pad is changed, the high temperature resistance is improved, and the high heat-resistant brake system is directly replaced, but the brake safety performance is improved and the heat dissipation requirement is increased. When the brake pad with higher heat-resistant temperature exceeds the limit temperature, not only the braking performance is reduced, but also the vehicle is in a higher speed condition when the performance is failed due to the improvement of the braking performance, and the brake pad causes greater danger to users.

2) The brake cooling system is additionally arranged, the water-cooling brake cooling system for the brake system is mainly used for cooling the brake system at present, but the water-cooling system usually comprises main parts such as a hydraulic pump and a hydraulic system, the parts are large in size, and the whole vehicle is difficult to arrange.

In summary, the radiator cooling system and the brake cooling system are independent from each other, and there is no correlation therebetween.

Disclosure of Invention

The invention provides a front air cooling system of a vehicle, which comprises the following components:

the main air inlet air door assembly comprises an air door and a first driving part, and the first driving part is used for driving the air door to act so as to control the air inlet amount from an air port of a vehicle shell;

and the shunting assembly comprises a shunting part and a second driving part, and the second driving part is used for driving the shunting part to act so as to distribute the total air inflow entering from the air opening to a first pipeline communicated with a vehicle radiator and a second pipeline communicated with a braking system according to a preset proportion.

Compared with the radiator cooling system and the brake system cooling system which are mutually independent in the prior art, the total air inlet air door assembly of the vehicle front air cooling system can control the total air inlet amount, and the second driving part drives the flow dividing part to act so as to distribute the total air inlet amount to the first pipeline and the second pipeline, so that all parts of the vehicle radiator and the brake system are respectively cooled by air. Therefore, the wind resistance coefficient of the whole vehicle, the air intake of the radiator and the braking capacity can be simultaneously integrated, the wind resistance can be effectively reduced, energy is saved, emission is reduced, and the endurance mileage is increased, so that the vehicle has the capacity of keeping the wind resistance, the heat dissipation of the radiator and the braking performance in the best working condition all the time.

Optionally, the air door is flexible account, the total air intake air door subassembly still includes tensioning part and guide rail, tensioning part is used for the tensioning flexible account, first drive assembly drive flexible account is followed the guide rail curls or puts down.

Optionally, the tensioning part is the tensioning spring, total air inlet air door subassembly still includes the branch and occupies the shell body of the both sides of flexible account, the shell body orientation one side of flexible account has the opening, the both sides limit section of flexible account is corresponding certainly the opening stretches into the shell body just is fixed in correspondingly inside the shell body, each the inside of shell body all is provided with the tensioning spring, under the effect of the tensioning spring of both sides, flexible account is in the tensioning state, and the guide rail set up in the shell body.

Optionally, the inner cavity of the outer shell is further provided with a spring guide rail, and the tensioning spring is arranged on the spring guide rail.

Optionally, first drive assembly includes spool motor, spool and flat spiral spring, flexible curtain one end twine in the spool, the spool motor drive the spool is just reversing the rotation with the rolling or put down flexible curtain, flat spiral spring exerts the predetermined pretightning force of spool, predetermined pretightning force can drive the spool is towards the rolling flexible curtain direction is rotated.

Optionally, the flow dividing component is a rigid baffle, one end of the baffle is rotatably connected with a vehicle shell, the second driving component drives the other end of the baffle to swing around a rotating shaft end, when the baffle is located at a first position, the baffle substantially closes the second pipeline, and the air port can only be communicated with the first pipeline; when the baffle plate is positioned at the second position, the baffle plate basically closes the first pipeline, and the air port can only be communicated with the second pipeline; when the baffle is located between the first position and the second position, the air opening can be communicated with the first pipeline and the second pipeline.

Optionally, the shunt assembly further comprises an arc-shaped guide rail capable of being mounted on a vehicle, and the bottom of the free end of the baffle plate slides in cooperation with the arc-shaped guide rail.

Optionally, the second driving component is a pendulum clock motor.

Optionally, the air conditioner further comprises a duct assembly, which includes a duct body having an inner cavity, the duct body has an inlet, a first outlet and a second outlet which are communicated with the inner cavity of the duct body, the main air intake damper assembly is arranged in the duct body, the damper is used for closing or opening the inlet, the inlet has an outer wall section which extends outwards towards the air outlet and is used for being in circumferential sealing fit with the air outlet of the vehicle shell; the first outlet is communicated with the first pipeline, the second outlet is communicated with the second pipeline, the second outlet is closed when the baffle is located at the first position, and the first outlet is closed when the baffle is located at the second position.

Optionally, the brake booster fan is mounted on the brake system and used for increasing the air flow entering the brake disc.

Optionally, the brake system further comprises a temperature sensor and a controller, wherein the temperature sensor and the controller are used for detecting the temperature of a brake disc in the brake system, the controller integrates at least the temperature signal detected by the temperature sensor, the air inlet temperature of the engine and the temperature of the cooling fan of the radiator, and controls the first driving part, the second driving part and the brake booster fan to act.

In addition, the invention also provides a vehicle, which comprises a vehicle body and the front air cooling system of the vehicle, wherein the main air intake air door assembly is arranged in at least one of a side seal channel area, an upper grid area and a lower grid area at the front end of the vehicle body.

Optionally, the braking system of vehicle includes brake separation blade and brake disc, the brake separation blade is totally closed structure, be provided with the air vent on the brake disc, the inside temperature sensor who is used for measuring the brake disc temperature that is provided with of air vent.

The vehicle provided by the invention comprises the vehicle front air cooling system, so the vehicle also has the technical effect of the vehicle front air cooling system.

Drawings

FIG. 1 is a schematic view of a front air cooling system of a vehicle mounted on a front end of the vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic view of the overall intake damper assembly in accordance with one embodiment of the present invention;

FIG. 3 is a partial schematic view of a braking system according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a vehicle front mounted air cooling system according to an embodiment of the present invention.

Wherein, in fig. 1 and 4:

10-total intake damper assembly; 11-a flexible tent; 12-a tensioning member; 13-a spring guide; 14-an outer shell; 15-a guide rail; 16-a reel motor; 17-a reel; 18-flat spiral spring; 19-a vertical gear assembly;

20-a flow splitting assembly; 21-a baffle plate; 211-a ball; 212-a limiting plate; 22-a pendulum clock motor; 23-an arc-shaped guide rail; a-a rotating shaft; a 1-second position; a 2-third position; a 3-second position;

30-a flow guide pipe body; 31-a turbulent structure; 32-a reinforcing structure; 33-a pipeline; 34-a connecting structure;

40-brake booster fan; 41-brake disc; 42-a second conduit; 43-a temperature sensor; 44-brake block sheet;

50-a sealing structure; 51-sealing cotton;

60-a front bumper; 70-a wheel cover; 80-a heat sink; b-vehicle casing tuyere;

1-side air duct area; 2-upper grid area; 3-lower grid area.

Detailed Description

As described in the background art, the radiator air-cooled heat dissipation and the brake water-cooled heat dissipation in the prior art are independent, which is not beneficial to the optimization of the performance of the whole vehicle, and the system is complex and not beneficial to the structure optimization of the whole vehicle.

Aiming at the technical problems in the prior art, the invention provides a system which can coordinate the heat dissipation of a radiator and the heat dissipation of a brake to comprehensively regulate and control the wind resistance of the whole vehicle, so that all parts of the vehicle are in the best operation condition.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 4, fig. 1 is a schematic partial structure view illustrating a front air cooling system of a vehicle mounted at a front end of the vehicle according to an embodiment of the present invention; FIG. 2 is a schematic view of the overall intake damper assembly in accordance with one embodiment of the present invention; FIG. 3 is a partial schematic view of a braking system according to an embodiment of the present invention; FIG. 4 is a schematic diagram of a vehicle front mounted air cooling system according to an embodiment of the present invention.

The invention provides a front air cooling system of a vehicle, which mainly comprises a main air inlet air door assembly 10, a flow dividing assembly 20 and a pipe body assembly.

The total intake damper assembly 10 includes a damper and a first driving member for driving the damper to move to control the intake air from the vehicle housing outlet. The air door can be directly arranged at an air port b of a vehicle shell, and can also be arranged in an air duct connected with the air port b, and the total air inlet quantity entering a vehicle is controlled by controlling the opening degree of the air door. Hereinafter, the damper is installed in the air duct as an example to introduce the technical scheme and the technical effect.

The first drive member may be a motor, the power of which may be transmitted to the damper through a gear assembly or other transmission member.

The flow divider assembly 20 includes a flow divider member and a second drive member for actuating the flow divider member to distribute the total amount of intake air from the air inlet to a first conduit, which is identical to the radiator 80 of the vehicle, and a second conduit 42, which is in communication with the braking system, in a predetermined proportion.

That is, the air entering from the air inlet can enter the vehicle radiator area to cool the vehicle radiator 80 by air cooling, and can enter the braking system to cool the brake disc 41 of the braking system by air cooling. And the second driving part drives the shunting part to act, so that the air volume entering the vehicle radiator 80 and the braking system can be adjusted to adapt to different vehicle running conditions.

Specifically, the proportion of the air flow entering the brake system and the vehicle radiator 80 can be controlled by parameters such as the engine, the brake disc 41 and the ambient temperature, and the control details are not disclosed herein, so as not to hinder the understanding and implementation of the technical solutions herein by those skilled in the art.

Compared with the prior art in which the radiator cooling system and the brake system cooling system are independent from each other, the total intake air door assembly 10 of the vehicle front air cooling system of the present invention can control the total intake air amount, and the second driving component drives the flow dividing component to act so as to distribute the total intake air amount to the first pipeline and the second pipeline 42, so as to respectively perform air cooling on each component of the vehicle radiator 80 and the brake system. Therefore, the wind resistance coefficient of the whole vehicle, the air intake of the radiator and the braking capacity can be simultaneously integrated, the wind resistance can be effectively reduced, energy is saved, emission is reduced, and the endurance mileage is increased, so that the vehicle has the capacity of keeping the wind resistance, the heat dissipation of the radiator and the braking performance in the best working condition all the time.

The vehicle front air cooling system provided by the invention can be used independently, and can also be used in combination with a heat dissipation system in the prior art, for example, a vehicle shell is still provided with a grid blade, and the air door of the main air inlet air door assembly 10 is arranged on the inner side of the grid. Of course, the manner of use in combination is not limited to that described herein, but may be otherwise.

In one particular embodiment, the damper may be a flexible screen 11, the total intake valve assembly further includes a tensioning member 12 for stretching the flexible screen 11 and a guide track 15 along which the first drive member drives the flexible screen 11 to curl and lower. Therefore, under the action of the tensioning part 12, the flexible tent 11 can be always in a tensioning state, and the sealing contact between the flexible tent 11 and the opposite surface of the side wall provided with the air opening is facilitated. And the guide rails 15 facilitate quick and smooth rolling and lowering of the flexible tent 11.

The flexible canopy 11 here can be sealed directly to the tuyere side walls or both can be sealed indirectly via a third part. This prevents outside air from entering the front compartment of the vehicle through the contact position of the flexible tent 11 with the tuyere.

In a specific embodiment, the tension member 12 is a tension spring, the total intake air door assembly 10 further includes an outer housing 14 respectively disposed at two sides of the flexible tent 11, the outer housing 14 has an opening toward one side of the flexible tent 11, two side sections of the flexible tent 11 extend into the inner portion of the outer housing 14 from the corresponding openings and are fixed inside the corresponding outer housing 14, each outer housing 14 is provided with a tension spring, and the flexible tent 11 is under a tension state under the action of the tension springs at two sides. And the guide rails are provided to the outer housing 14.

A sealing structure 50 may be provided between the opening and the flexible tent 11 to effect a seal therebetween.

In this way, the components of the main intake damper assembly 10 are integrated into the outer housing 14, which facilitates assembly and improves installation efficiency.

Further, the inner cavity of the outer shell 14 can be further integrated with a spring guide rail 13, a tension spring is arranged on the spring guide rail 13, the spring guide rail 13 can prevent the spring from being out of order due to the torsion of the tension spring and can improve the effect of the guide rail mode of the flexible tent 11.

The manner in which the flexible drapery 11 is rolled up is accomplished in several ways, a specific embodiment of which is set forth herein below.

The first driving means in the above embodiments may include a reel motor 16, a reel 17 and a flat spiral spring 18, one end of the flexible screen 11 is wound around the reel 17, and the reel motor 16 drives the reel 17 to rotate in the forward and reverse directions to wind or unwind the flexible screen 11. Of course, the reel motor 16 may drive the reel 17 through a vertical gear assembly 19, such as the reel motor 16 through a pair of vertical gears that reduce the space occupied by the drive train, to effect power transfer from the reel motor 16 to the spindle. Of course, the transmission between the reel motor 16 and the reel can be in other ways, depending on the specific application.

The flat spiral spring 18 applies a predetermined pre-tightening force to the scroll, and the predetermined pre-tightening force can drive the scroll to rotate towards the direction of winding the flexible curtain 11, so that when the flexible curtain 11 does not work, the pre-scroll is completely wound under the action of the flat spiral spring 18, and when the flexible curtain is used, the pre-scroll acts under the action of the scroll motor 16.

The diversion member in each of the above embodiments may be a rigid baffle 21, one end of the baffle 21 is rotatably connected to the vehicle housing, and the second driving member drives the other end of the baffle 21 to swing around the rotating shaft a. When the shutter 21 is in the first position a3, the shutter 21 substantially closes the second duct 42 and the tuyere can communicate only with the first duct; when the shutter 21 is in the second position a1, the shutter 21 substantially closes the first duct and the tuyere can communicate only with the second duct 42; when the baffle 21 is located between the first position a3 and the second position a1, the tuyere can be communicated with both the first duct and the second duct 42. For convenience of description, a position located between the first position a3 and the second position a1 is defined herein as a third position a 2. The specific position of the baffle 21 can be reasonably controlled according to the vehicle operation parameters of the current working condition. Two other positions of the shutter 21 are shown in dashed lines in fig. 1.

It should be noted that the term "substantially closed" herein refers to a broad concept, not an absolute closure, that allows leakage within a permissible range due to assembly errors between the components.

Of course, the ideal state is full shut-off.

In this embodiment, the flow divider assembly 20 further comprises a curved rail 23 capable of being mounted to a vehicle, and the bottom of the free end of the baffle 21 is slidably engaged with the curved rail 23. Thus, the baffle 21 can swing smoothly and avoid movement stagnation.

Specifically, the bottom wall of the baffle 21 may be further provided with a ball 211 or the like to further reduce the friction with the arcuate rail 23.

Of course, the free end of the baffle 21 may be provided with a limit plate 212 to limit the first position with the guide pipe body 30.

The second driving component can be a pendulum clock motor, the pendulum clock motor 22 can be installed on the vehicle, the pendulum clock motor 22 adopts a brushless stepping motor, the pendulum clock motor 22 can be controlled to rotate forward and backward, starting and stopping at any position can also be realized, and the baffle 21 can rotate at different angles by controlling the pendulum clock motor 22, so that corresponding gas flow is distributed to the first pipeline and the second pipeline 42.

In each of the above embodiments, the vehicle front air cooling system may further include a duct assembly including a duct body 30 having an inner cavity, the duct body 30 having an inlet, a first outlet and a second outlet communicating with the inner cavity thereof, the main intake damper assembly 10 being disposed in the duct body 30, the damper being configured to close or open the inlet, the inlet having an outer wall section extending outward toward the air outlet and configured to be circumferentially and sealingly engaged with the air outlet of the vehicle housing; the first outlet communicates with the first duct and the second outlet communicates with the second duct 42, the second outlet being closed when the shutter 21 is in the first position a3 and the first outlet being closed when the shutter 21 is in the second position a 1. The location where the second conduit 42 is connected to the brake system inlet line may be in sealed abutment with the connection structure 34.

Specifically, when the baffle 21 closes the first outlet, the outer edge of the baffle 21 is in fit sealing with the peripheral wall of the first outlet, and a sealing member may be added between the two, and the sealing member may be a sealing cotton 51 or other material capable of playing a sealing role.

Similarly, the closure 21 is similar to the sealing of the second port and will not be described in detail.

The inside water conservancy diversion structure and the turbulent structure 31 of still can setting up of water conservancy diversion body 30 in the body subassembly, and concrete structure can be decided according to setting up the position, avoids producing the turbulent flow, and it can to reduce the windage with the smooth leading-in required air-out port of air current.

The outer surface of the pipe wall of the pipe body component can be further designed with a reinforcing structure 32, so that the integral mode of the system is ensured to be more than 45Hz, and the integral rigidity of the system and the stability of the system when high-speed airflow flows are ensured.

The structure of the fluid guiding pipe body can be set according to the application environment, and in a specific embodiment, as shown in fig. 1, the fluid guiding pipe body further comprises a pipeline 33 connected with the heat sink to realize the installation of the pendulum clock motor and the gas transmission to the heat sink 80.

In order to improve the air cooling performance of the brake system as much as possible, a brake booster fan 40 is further added to the system and is installed on the brake system to increase the air flow entering the brake disc 41.

The brake booster fan 40 can effectively increase the total amount of air entering the brake system, and the cooling speed of the brake disc 41 can be increased under the condition that the brake booster fan 40 is operated. The brake system has obvious effect on the whole vehicle with particularly high requirements on the brake system (such as the working conditions of frequent running down a slope, frequent emergency braking and long-time braking).

In the above embodiments, the system may further include a temperature sensor and a controller, and the controller may be configured to detect a temperature of a brake disc 41 in the braking system, and the controller may control the first driving unit, the second driving unit, and the brake booster fan 40 to operate by integrating at least a temperature signal detected by the temperature sensor, an engine intake air temperature, and a radiator cooling fan temperature.

For a particular vehicle type, the controller may control in combination with the following parameters: brake action state parameters M1 (no brake, normal brake, long-distance brake, emergency brake, etc.), brake disc 41 temperature T1, ambient temperature T2, radiator cooling fan speed V1, air conditioner compressor pressure P1, coolant temperature T3, coolant real-time temperature, vehicle speed V1, front camera signal M2 (the camera signal mainly comprises road condition judgment, down hill road condition, complex road condition, general road condition, good road condition, etc.), pendulum clock motor 22 rotation angle a1, reel motor 16 rotation angle a2, and brake booster fan 40 rotation speed b.

Of course, the above parameters may be different according to the type of the vehicle to be mounted.

On the basis of the vehicle front air cooling system, the invention also provides a vehicle, which comprises a vehicle body and the vehicle front air cooling system of any embodiment, wherein a main air inlet air door assembly 10 is arranged in at least one of a side air channel area 1, an upper grid area 2 and a lower grid area 3 at the front end of the vehicle body. Fig. 1 shows a specific embodiment in which the front air-cooling system of the vehicle is installed in the side air duct region 1, and fig. 1 also shows specific positions of the front bumper 60 and the wheel cover 70, and for specific structures, reference is made to the prior art, which is not described herein again.

The brake flap 44 has a function of blocking external hard objects (such as flying stones) from impacting the brake disc 41, thereby preventing the brake disc 41 from being damaged by the impact. However, the conventional brake pad 44 is usually provided with a heat dissipating slot for dissipating heat from the brake system, so as to dissipate the high temperature of the brake disc 41, and although this can dissipate the temperature of the brake disc 41, it also provides the possibility that flying stones may strike the brake disc 41.

The brake system of the vehicle comprises the brake blocking piece 44 and the brake disc 41, wherein the brake blocking piece 44 is of a fully-closed structure, and the fully-closed structure is a structure without a radiating groove, so that compared with the traditional scheme, the brake disc 41 can be more effectively protected from being damaged by hard objects, the strength of the brake disc 41 can be improved, and the use reliability and safety can be improved. The brake disc 41 is provided with a vent hole, and a temperature sensor 43 for measuring the temperature of the brake disc 41 is arranged in the vent hole.

For other structures of the vehicle, please refer to the prior art, which is not described herein.

The vehicle provided by the invention is based on any one of the vehicle front air cooling system, so the vehicle also has the technical effect of the vehicle front air cooling system.

The vehicle front air cooling system and the vehicle provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A front air cooling system for a vehicle, comprising the following components:

the main air inlet air door assembly (10) comprises an air door and a first driving part, wherein the first driving part is used for driving the air door to act so as to control the air inlet amount from an air port of a vehicle shell;

and the flow dividing assembly (20) comprises a flow dividing component and a second driving component, and the second driving component is used for driving the flow dividing component to act so as to distribute the total air inflow entering from the air opening to a first pipeline communicated with a vehicle radiator and a second pipeline communicated with a braking system according to a preset proportion.

2. The vehicle front air cooling system according to claim 1, wherein the damper is a flexible curtain (11), the total intake damper assembly (10) further comprises a tensioning member (12) and a guide rail (15), the tensioning member (12) is used for tensioning the flexible curtain (11), and the first driving member drives the flexible curtain (11) to curl or set down along the guide rail.

3. The vehicle front air cooling system according to claim 2, characterized in that the tensioning member (12) is a tensioning spring, the total intake air door assembly (10) further comprises an outer housing (14) disposed at two sides of the flexible curtain (11), an opening is formed on one side of the outer housing (14) facing the flexible curtain (11), two side sections of the flexible curtain (11) extend into the outer housing (14) from the corresponding openings and are fixed inside the corresponding outer housing (14), the tensioning spring is disposed inside each outer housing (14), the flexible curtain (11) is under tension under the action of the tensioning springs at two sides, and the guide rail is disposed on the outer housing (14).

4. The vehicle front air cooling system according to claim 3, characterized in that the inner cavity of the outer housing (14) is further provided with a spring guide rail (13), and the tension spring is arranged on the spring guide rail (13).

5. The vehicular front air cooling system according to claim 2, wherein the first driving component comprises a scroll motor (16), a scroll and a flat spiral spring, one end of the flexible curtain (11) is wound on the scroll, the scroll motor (16) drives the scroll to rotate forward and backward to wind or unwind the flexible curtain (11), the flat spiral spring applies a predetermined pre-tightening force to the scroll, and the predetermined pre-tightening force can drive the scroll to rotate toward the direction of winding the flexible curtain (11).

6. The vehicular front air cooling system according to claim 2, wherein the diversion member is a rigid baffle (21), one end of the baffle (21) is rotatably connected to the vehicle housing, the second driving member drives the other end of the baffle (21) to swing around the rotating shaft end, when the baffle (21) is located at the first position, the baffle (21) substantially closes the second duct, and the air opening can only communicate with the first duct; when the shutter (21) is in the second position, the shutter (21) substantially closes the first duct, the tuyere being able to communicate only with the second duct; when the baffle (21) is positioned between the first position and the second position, the air opening can be communicated with the first pipeline and the second pipeline.

7. The vehicular front air cooling system according to claim 6, wherein the splitter assembly (20) further comprises a curved guide rail (23) capable of being mounted on the vehicle, and the bottom of the free end of the baffle plate (21) is matched with the curved guide rail (23) to slide.

8. The vehicular front air cooling system according to claim 6, wherein the second driving member is a pendulum motor (22).

9. The vehicular front air cooling system according to claim 6, further comprising a duct assembly including a duct body (30) having an inner cavity, the duct body (30) having an inlet, a first outlet and a second outlet communicating with the inner cavity thereof, the main intake damper assembly (10) being provided to the duct body (30), the damper being adapted to close or open the inlet, the inlet having an outer wall section extending outwardly toward the outlet for circumferential sealing engagement with the vehicle housing outlet; the first outlet is in communication with the first conduit, the second outlet is in communication with the second conduit, the second outlet is closed when the baffle (21) is in the first position, and the first outlet is closed when the baffle (21) is in the second position.

10. The vehicular front air cooling system according to claim 1, further comprising a brake booster fan (40) mounted to the brake system for increasing the air flow into the brake disc (41).

11. The vehicular front air cooling system according to claim 10, further comprising a temperature sensor (43) and a controller for detecting a temperature of a brake disc (41) in the braking system, wherein the controller controls the first driving part, the second driving part and the brake booster fan (40) to operate in combination with at least a temperature signal detected by the temperature sensor (43), an engine intake air temperature and a radiator cooling fan temperature.

12. A vehicle comprising a vehicle body and further comprising the vehicle front air cooling system of any one of claims 1 to 11, wherein the main intake damper assembly (10) is mounted to at least one of a side cowl area, an upper grill area, and a lower grill area of the front end of the vehicle body.

13. The vehicle front air cooling system according to claim 12, wherein the braking system of the vehicle comprises a brake block (44) and a brake disc (41), the brake block (44) is of a fully closed structure, a vent hole is formed in the brake disc (41), and a temperature sensor for measuring the temperature of the brake disc (41) is arranged in the vent hole.