WO2023185583A1 - Air duct system for vehicle, and vehicle comprising same - Google Patents

Abstract

An air duct system for a vehicle (8), and the vehicle (8) comprising same. The air duct system for a vehicle comprises a D-pillar trim panel (74) and a D-pillar window (73). The air duct system for a vehicle is provided with a seventh air duct (7), wherein the seventh air duct (7) comprises a seventh air duct air inlet (71) and a seventh air duct air outlet (72); the seventh air duct (7) is located on the side of the D-pillar trim panel (74) facing the interior of the vehicle (8); the seventh air duct air inlet (71) is arranged towards a side of the D-pillar window (73); and the seventh air duct air outlet (72) is arranged towards the rear end of the vehicle (8).

Description

Air duct system for vehicles and vehicle thereof Technical field

The present invention relates to the technical field of automobile parts, and in particular to an air duct system for a vehicle and its vehicle.

Background technique

Wind resistance has a greater impact on car performance. Greater wind resistance will affect car stability, affect vehicle speed, increase energy consumption, and reduce cruising range. The shape of the vehicle body, the center of gravity of the vehicle and the flatness of the vehicle chassis are all factors that affect the wind resistance of the vehicle.

In the existing technology, the streamlined design of the vehicle body, the installation of flat lightweight chassis armor, or the use of air deflectors such as tail wings and diffusers are usually adopted to improve the aerodynamic performance of the vehicle. The air resistance encountered by a vehicle while driving mainly comes from the wind in front of the vehicle. The existing technology cannot effectively reduce the air resistance during vehicle driving.

Contents of the invention

In order to solve the problem of large air resistance during vehicle driving in the prior art, in one way, the present application provides an air duct system for a vehicle. The vehicle air duct system includes a D-pillar decorative panel and a D-pillar Window; The vehicle air duct system is provided with a seventh air duct, the seventh air duct includes a seventh air duct air inlet and a seventh air duct air outlet; the seventh air duct is located on the D-pillar decoration The side of the panel faces the interior of the vehicle; the seventh air duct air inlet is disposed toward the side of the D-pillar window; and the seventh air duct air outlet is disposed toward the rear end of the vehicle.

In another way, the D-pillar decorative panel includes an outer D-pillar decorative panel and an inner D-pillar decorative panel, and at least the outer D-pillar decorative panel and the inner D-pillar decorative panel form the seventh windshield. road.

Based on any one or more of the above methods, in another method, at least the D-pillar window, the D-pillar decorative panel outer panel and the D-pillar decorative panel inner panel form the seventh air duct.

Based on any one or more of the above methods, in another method, the seventh air duct air inlet is a long strip or a long triangular inlet.

Based on any one or more of the above methods, in another method, the seventh air duct air inlet The cross-sectional area is larger than the cross-sectional area of the seventh air duct outlet.

Based on any one or more of the above methods, in another method, the air duct system further includes a front door and a front wheelhouse lining provided on the outside of the front wheel of the vehicle; the air duct system is also provided with There is a fifth air duct, and the fifth air duct includes a fifth air duct air inlet and a fifth air duct air outlet; the fifth air duct air inlet is provided on the front wheel cover lining, and the fifth air duct air inlet is provided on the front wheel cover lining. The air duct air outlet is provided on a side of the front fender of the vehicle close to the front door of the vehicle.

Based on any one or more of the above methods, in another method, the front door is provided with a recessed air guide groove near the fifth air duct air outlet.

Based on any one or more of the above methods, in another method, the fifth air duct air inlet is provided on a side of the front wheelhouse lining close to the rear end of the vehicle.

Based on any one or more of the above methods, in another method, the number of the fifth air ducts is two, and the two fifth air ducts are symmetrically arranged on the vehicle.

Based on any one or more of the above methods, in another method, the air duct system further includes a fifth air duct air guide structure, and the fifth air duct air guide structure includes a fifth air guide housing and a third air guide housing. Six air guide housings, the fifth air guide housing and the sixth air guide housing are arranged oppositely, and the fifth air guide housing and the sixth air guide housing are fixedly connected, and The fifth air channel is formed.

Based on any one or more of the above methods, in another method, the air duct system further includes a rear wheelhouse lining arranged outside the rear wheel of the vehicle; the air duct system is also provided with a sixth Air duct, the sixth air duct includes a sixth air duct air inlet and a sixth air duct air outlet; the sixth air duct air inlet is provided on the rear wheel cover lining; the sixth air duct outlet The air outlet is arranged at the rear bumper assembly at the rear of the vehicle.

Based on any one or more of the above methods, in another method, the air duct system includes a front bumper housing disposed at the front end of the vehicle, and a front bumper housing located between the front bumper housing and the vehicle. The front cover of the car between the front windshields; the air duct system is also provided with a first air duct, and the first air duct includes a first air duct air inlet and a first air duct air outlet; An air duct air inlet is located at the front end of the vehicle and is formed on the front bumper housing; the first air duct air outlet is located on a side of the front cover of the car close to the front bumper housing. .

The application also provides a vehicle, including an air duct system in any one or more of the above modes.

Implementing the embodiments of the present invention has the following beneficial effects:

(1) The seventh air duct in this application is set outside the car window to ensure the shape of the D-pillar window and D-pillar decorative panel. On the basis of sharpness, air ducts are arranged in the "riding" area outside the window. The airflow outside the window can be further compressed through the seventh air duct to eject high-speed airflow from the rear of the vehicle to accelerate the air flow at the rear of the vehicle. Reduce wind resistance.

(2) The cross-sectional area of the air inlet of the seventh air duct in this application is larger than the cross-sectional area of the air outlet of the seventh air duct. While reducing the air resistance caused by the oncoming wind on both sides of the vehicle, it can also increase the air inside the seventh air duct. The flow rate further increases the downforce of the vehicle and reduces the energy consumption of the vehicle.

Description of drawings

In order to explain the technical solution of the present invention more clearly, the drawings needed to be used in the embodiments or description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the seventh air duct air inlet according to the embodiment of the present invention;

Figure 2 is a schematic view of the position of the seventh air duct according to the embodiment of the present invention;

Figure 3 is a schematic structural diagram of the D-pillar window and D-pillar decorative panel according to the embodiment of the present invention;

Figure 4 is a schematic diagram of the positions of the second air duct and the fourth air duct in front of the vehicle according to the embodiment of the present invention;

Figure 5 is a schematic structural diagram of the second air duct according to the embodiment of the present invention;

Figure 6 is a schematic diagram of the positions of the second air duct air outlet and the fourth air duct air outlet on the front wheel housing lining according to the embodiment of the present invention;

Figure 7 is a schematic structural diagram of the fourth air duct air inlet and the fourth air duct air outlet on the vehicle according to the embodiment of the present invention;

Figure 8 is a schematic diagram of the position of the first air duct in front of the vehicle according to the embodiment of the present invention;

Figure 9 is a schematic structural diagram of the first air duct according to the embodiment of the present invention;

Figure 10 is a schematic structural diagram of the first air duct air guide structure according to the embodiment of the present invention;

Figure 11 is a schematic diagram of the third air duct air inlet in front of the vehicle according to the embodiment of the present invention;

Figure 12 is a schematic structural diagram of the third air duct air outlet on the front wheel housing lining according to the embodiment of the present invention;

Figure 13 is a schematic structural diagram of the third air duct air guide structure according to the embodiment of the present invention;

Figure 14 is a schematic diagram of the positions of the fifth air duct air inlet and the sixth air duct air inlet according to the embodiment of the present invention;

Figure 15 is a schematic diagram of the position of the air outlet of the fifth air duct according to the embodiment of the present invention;

Figure 16 is a schematic structural diagram of the fifth air duct according to the embodiment of the present invention;

Figure 17 is a schematic structural diagram of the sixth air duct according to the embodiment of the present invention.

Among them, the reference numbers in the figure correspond to: 1-first air duct, 11-first air duct air inlet, 12-first air duct air outlet, 13-first air duct air inlet section, 14-first air duct air inlet section Duct air guide section, 15-first air duct air guide structure, 151-first air guide housing, 152-second air guide housing, 2-second air duct, 21-second air duct air inlet, 22 -The second air duct air outlet, 211-the first side wall, 212-the second side wall, 213-the first side panel, 4-the fourth air duct, 41-the fourth air duct air inlet, 42-the fourth air duct air outlet, 3-third air duct, 31-third air duct air inlet, 32-third air duct air outlet, 33-third air duct air guide structure, 331-third air guide housing, 332- The fourth air guide shell, 5-the fifth air duct, 51-the fifth air duct air inlet, 52-the fifth air duct air outlet, 53-the fifth air duct air guide structure, 531-the fifth air guide shell , 532-Sixth air guide shell, 6-Sixth air duct, 61-Sixth air duct air inlet, 62-Sixth air duct air outlet, 63-Sixth air duct air guide structure, 631-Seventh guide Wind housing, 632-eighth air guide housing, 7-seventh air duct, 71-seventh air duct air inlet, 72-seventh air duct air outlet, 73-D column window, 74-D column decoration Plate, 741-D pillar decorative panel outer panel, 742-D pillar decorative panel inner panel, 8-Vehicle, 81-Front wheel house lining, 82-Front bumper shell, 821-Front bumper lower body, 822- Front bumper upper body, 83-air intake grille assembly, 84-front windshield, 85-car front cover, 86-front fender, 87-front door, 871-air guide groove, 88-rear wheel cover Liner, 89-Rear bumper assembly.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without any creative work fall within the scope of protection of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of To facilitate the description of the present invention and to simplify the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as a limitation of the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance, nor can they be understood as implicitly indicating the number or sequence of indicated technical features, etc. . Thus, features defined as “first”, “second”, “third”, etc. may explicitly or implicitly include one or more of these features.

In addition, in the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection" The terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. It can be the internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

This embodiment provides an air duct system for a vehicle. The vehicle 8 may be a traditional fuel vehicle, a new energy electric vehicle, or a gasoline-electric hybrid vehicle. This air duct system can guide air from the front and/or sides of the vehicle body to the outside of the vehicle through the air guide channels to effectively reduce air resistance, increase vehicle speed, and reduce energy consumption.

In some embodiments, the air duct system may include a front wheel, a front wheelhouse lining 81 , a brake disc of a front wheel, a front bumper housing 82 , an air intake grille assembly 83 , a car front cover 85 , rear wheels, and rear wheels. At least one of the wheel house liner 888 , the front fender 86 , the front door 87 , the D pillar, the D pillar decorative panel 74 , the D pillar window 73 and the rear bumper assembly 89 structure.

In some embodiments, the front bumper housing 82 is a housing wrapped around the front impact beam of the vehicle. The front bumper shell 82 may be the entire shell in front of the front of the vehicle, and the shells surrounding the front of the vehicle may be collectively referred to as the front bumper shell 82 . Alternatively, the front bumper housing 82 may also be a partial housing in front of the front of the vehicle, and the front bumper housing 82 may be wrapped around the front of the vehicle with other housings disposed at the front of the vehicle.

The automobile front cover 85 is a cover disposed between the front bumper housing 82 and the front windshield 84 . The front wheelhouse liner 81 is a mudguard provided to cover the outside of the front wheel of the vehicle, and the rear wheelhouse liner 888 is a mudguard provided to cover the outside of the rear wheel of the vehicle. The rear bumper assembly 89 becomes an integrated component of the rear bumper housing, taillights and rear outer housing located at the rear of the vehicle.

In some embodiments, the air duct system is provided with a first air duct 1, a second air duct 2, a third air duct 3, a fourth air duct 4, a fifth air duct 5, a sixth air duct 6 and a seventh air duct. At least one of the 7 air ducts. For example, the air duct system may include only any one of the above air ducts, such as only the first air duct 1, or only the seventh air duct 7, etc. Alternatively, the air duct system may include a combination of any two or more of the above air ducts, such as a combination of the second air duct 2 and the fourth air duct 4 .

In some embodiments, the number of each type of air duct is two, and the two air ducts of each type of air duct are symmetrically arranged on the vehicle. For example, the number of the first air ducts 1 is two, and the two first air ducts 1 are symmetrically arranged on the vehicle. For another example, the number of the second air ducts 2 is two, and the two second air ducts 2 are symmetrically arranged on the vehicle. For another example, the number of the third air ducts 3 is two, and the two third air ducts 3 are symmetrically arranged on the vehicle. For another example, the number of fourth air ducts 4 is two, and the two fourth air ducts 4 are on the vehicle. Symmetrical setup. For another example, the number of fifth air ducts 5 is two, and the two fifth air ducts 5 are symmetrically arranged on the vehicle. For another example, the number of the sixth air ducts 6 is two, and the two sixth air ducts 6 are symmetrically arranged on the vehicle. For another example, the number of the seventh air ducts 7 is two, and the two seventh air ducts 7 are symmetrically arranged on the vehicle.

In one embodiment, as shown in Figure 8, the first air duct 1 includes a first air duct air inlet 11 and a first air duct air outlet 12; the first air duct air inlet 11 is provided at the front end of the vehicle and is formed on On the front bumper housing 82; the first air duct air outlet 12 is provided on the side of the front cover 85 of the automobile close to the front bumper housing 82. Through the first air duct 1, the air on the windward side in front of the vehicle can be guided to the top of the front cover 85 of the vehicle, thereby reducing the wind resistance when the vehicle is traveling.

In one embodiment, the height of the first air duct air inlet 11 is lower than the height of the first air duct air outlet 12 . In one example, the first air duct 1 is arranged obliquely from the first air duct air inlet 11 to the first air duct air outlet 12 , so that the air entering the first air duct 1 passes through the first air duct air inlet 11 Gradually rise to the first air duct outlet 12. Through this design, the wind resistance of the vehicle can be further reduced and the downforce of the vehicle can be increased at the same time.

In one embodiment, the cross-sectional area of the first air duct air inlet 11 is larger than the cross-sectional area of the first air duct air outlet 12 . While reducing the air resistance caused by the wind in front of the car, it can also increase the air flow rate inside the first air duct, further increasing the vehicle's downforce and reducing vehicle energy consumption.

In one embodiment, the first air duct air outlet 12 is a strip-shaped outlet provided along the front edge of the car's front cover 85 . The strip-shaped outlet is arranged so that the car's front cover 85 is connected to the front bumper shell 82 after it is closed. The gap between them should be reduced as much as possible without affecting the sealing and aesthetics of the car's front cover 85.

In one embodiment, as shown in FIG. 9 , the first air duct 1 may also include a first air duct air inlet section 13 and a first air duct air guide section 14 . The first air duct air inlet 11 is disposed on the first air duct air inlet section 13 . Road inlet section 13. The cross-sectional area of the first air duct air inlet section 13 is larger than the cross-sectional area of the first air duct air guide section 14. For example, the cross-sectional area of any part of the first air duct air inlet section 13 is larger than the first air duct air guide section 14. The cross-sectional area of any part of the section 14, or the average cross-sectional area of the first air duct air inlet section 13 is greater than the average cross-sectional area of the first air duct air guide section 14. Alternatively, the cross-sectional area of the first air duct 1 gradually decreases from the first air duct air inlet 11 to the first air duct air outlet 12 . The air flows out from the first air duct air inlet 11 through the first air duct air inlet section 13 and the first air duct air guide section 14 from the first air duct air outlet 12. Due to the cross section of the first air duct air inlet section 13 The area is larger than the cross-sectional area of the first air duct air guide section 14, so that the air pressure and flow speed of the air flowing therethrough are increased, which can effectively increase the downforce of the vehicle. It can be understood that in various embodiments of the present application, the cross-section can be The solution is a surface generally perpendicular to the direction of air flow.

In one embodiment, as shown in FIG. 9 , the first air duct air outlet 12 has an air outlet surface. The air outlet surface is formed by the edge of the first air duct air outlet 12 . The air outlet surface is connected with the edge of the first air duct. The air outlet direction is set at an angle to further increase the downforce of the airflow on the vehicle.

In one embodiment, the first air duct air inlet section 13 and the first air duct air guide section 14 may be formed by the front bumper housing 82 . Alternatively, the first air duct air inlet section 13 and the first air duct air guide section 14 can be formed by independent air guide structures. Alternatively, the first air duct air inlet section 13 is formed by the front bumper housing 82, and the first air duct air guide section 14 is formed by an independent air guide structure.

In one embodiment, the front bumper housing 82 includes a front bumper lower body 821 and a front bumper upper body 822 , and the first air duct air inlet section 13 can be composed of a front bumper upper body 822 and a front bumper lower body 821 One of them is formed, or at least the front bumper lower body 821 and the front bumper upper body 822 form the first air duct air inlet section 13 . The first air duct air inlet section 13 is formed by the front bumper shell 82, which can effectively use the existing structure of the vehicle body to open the mold and form the air duct inlet section, which is beneficial to reducing structural complexity and cost.

In one embodiment, as shown in FIG. 10 , the vehicle air duct system further includes a first air duct air guide structure 15 , and the first air duct air guide structure 15 forms the first air duct air guide section 14 . In one example, the first air duct air guide structure 15 includes a first air guide housing 151 and a second air guide housing 152. The first air guide housing 151 and the second air guide housing 152 are arranged oppositely, and the An air guide housing 151 and a second air guide housing 152 are fixedly connected, and a first air duct air guide section 14 is formed between the first air guide housing 151 and the second air guide housing 152 . By arranging the first air duct air guide structure 15, the corresponding air duct shape can be set according to actual needs, making it easier to open the mold, thereby meeting the aerodynamic parameter requirements of the vehicle.

In one example, the first air duct air inlet section 13 is arranged at an angle, so that the air entering the first air duct air inlet section 13 is from the front end of the vehicle to the rear end of the vehicle, and from a position near the middle of the vehicle to the side of the vehicle. export direction. Therefore, the air flow direction entering the first air duct air inlet section 13 has a certain angle relative to the vehicle traveling direction, which can improve the stability of the vehicle. In one example, the height of the outlet of the first air duct air inlet section 13 is higher than the height of the inlet of the first air duct air inlet section 13 , so that the air entering the first air duct air inlet section 13 gradually moves upward, increasing the number of vehicles. The head air flow rate is increased, thereby further increasing the vehicle's downforce and improving the vehicle's stability during high-speed driving. In one example, the cross-sectional area of the first air duct air inlet section 13 gradually decreases along the air inlet direction, which can gradually increase the air flow speed in the first air duct air inlet section 13, thereby improving the vehicle's downforce and vehicle stability. .

In one example, the first air duct air guide section 14 is arranged at an angle, and the inlet of the first air duct air guide section 14 is lower than the outlet of the first air duct air guide section 14 . The air entering the first air duct guide section 14 is gradually moved upward, thereby further increasing the downforce of the vehicle and improving the stability of the vehicle during high-speed driving. The independent first air duct air guide structure 15 is arranged in the car body for easy installation and disassembly, convenient cleaning, and smoother air guide.

In one embodiment, a recessed area is recessed downward near the first air duct outlet 12 of the car's front cover 85 , and the air discharged through the first air duct outlet 12 is discharged along the recessed area, thereby further reducing wind resistance. The air discharged from the first air duct outlet 12 is led out. The recessed area can be arranged in a relatively smooth arc surface, which can further reduce wind resistance and increase the downforce of the vehicle during high-speed driving.

In some embodiments, the second air duct 2 includes a second air duct air inlet 21 and a second air duct air outlet 22. The second air duct air inlet 21 is provided at the front end of the vehicle, and the second air duct air outlet 22 is provided at the front end of the vehicle. On the front wheelhouse liner 81, the wind resistance of the vehicle can be further reduced. In one example, the second air duct air outlet 22 is provided on the outside of the front wheelhouse lining 81 . It can be understood that the outside of the front wheelhouse lining 81 is far away from the vehicle in the transverse direction of the vehicle. One side of the rack, as shown in Figure 4. The second air duct air outlet 22 may be relatively close to the outer edge of the front wheelhouse lining 81 . In one example, the air outlet direction of the second air duct air outlet 22 is set away from the front wheel, so that the air flowing out through the second air duct air outlet 22 will not directly blow to the front wheel, further reducing the wind resistance on the tire. influence and reduce the wind resistance of the vehicle.

In one embodiment, the side end of the front bumper housing 82 close to the front wheels forms the second air duct 2 . Alternatively, the second air duct 2 may also be formed by an independent air guide structure. For example, an independent air guide structure with an air guide cavity is formed by integrally molding the casing or connecting two halves of the casing, and the air guide structure is arranged inside the vehicle casing.

In one embodiment, as shown in Figures 4-6, the front bumper housing 82 includes a front bumper lower body 821 and a front bumper upper body 822. The second air duct 2 can be composed of a front bumper upper body 822 and a front bumper upper body 822. One of the bumper lower bodies 821 is formed, or at least the front bumper lower body 821 and the front bumper upper body 822 form the second air duct 2 . The second air duct 2 is formed by the front bumper shell 82, which can effectively use the existing structure of the vehicle body to open the mold and form the air duct, which is beneficial to reducing structural complexity and cost. In one example, the end of the front bumper lower body 821 is bent to form the first side wall 211 of the second air duct 2 , and the end of the front bumper upper body 822 is bent to form the second side wall 212 of the second air duct 2 , at least the first side wall 211 and the second side wall 212 surround the second air channel 2 . It should be noted that in this embodiment, the two ends of the front bumper upper body 822 of the front bumper housing 82 are respectively bent downward and then upward to surround the front bumper lower body 821 to form a special shape. The front bumper The upper body 822 and the front bumper lower body 821 are bending A side angle area is formed at the connection, and the second air duct air inlet 21 is provided in the side angle area.

In some embodiments, the front bumper housing 82 further includes a first side plate 213 disposed inside the first side wall 211 or the second side wall 212 , at least the first side wall 211 and the second side wall 212 . The side wall 212 and the first side plate 213 surround and form the second air channel 2 . It can be understood that the structure forming the second air duct 2 is not limited to the first side wall 211, the second side wall 212 and the first side plate 213, and may also include other side plates, for example.

In one embodiment, the height of the second air duct air outlet 22 is higher than the center line of the front wheel, and the second air duct air outlet 22 can be disposed obliquely downward, so that the airflow is smoothly directed obliquely downward from the outer side of the front wheel. The cross-sectional area of the second air duct air inlet 21 is larger than the cross-sectional area of the second air duct air outlet 22, so that after the air enters from the second air duct air inlet 21, it flows out from the second air duct air outlet 22 at a high speed, which can improve the Downforce when the vehicle is moving. In one example, the cross-sectional area of the second air duct gradually decreases from the second air duct air inlet 21 to the second air duct air outlet 22 . This increases the pressure and velocity of the air flowing through it, which can effectively increase the downforce of the vehicle.

In some embodiments, as shown in Figure 7, the fourth air duct 4 includes a fourth air duct air inlet 41 and a fourth air duct air outlet 42. The fourth air duct air inlet 41 is provided at the front end of the vehicle. The air outlet 42 is provided on the front wheelhouse lining 81, thereby further reducing the wind resistance of the vehicle and reducing energy consumption. In one example, the fourth air duct air outlet 42 is disposed outside the front wheelhouse lining 81 . The fourth air duct air outlet 42 may be relatively close to the outer edge of the front wheelhouse lining 81 . In one example, the air outlet direction of the fourth air duct air outlet 42 is set away from the front wheel, so that the air flowing out through the fourth air duct air outlet 42 will not directly blow to the front wheel, further reducing the wind resistance on the tires. The impact is to reduce the wind resistance of the vehicle and reduce the energy consumption of the vehicle.

In one embodiment, the side end of the front bumper housing 82 close to the front wheels forms the fourth air duct 4 . Alternatively, the fourth air duct 4 may also be formed by an independent air guide structure. For example, an independent wind guide structure with a wind guide cavity is formed by integrally molding the shell or connecting two half shells, and the wind guide structure is arranged inside the vehicle body.

In one embodiment, the fourth air duct 4 may be formed by one of the front bumper upper body 822 and the front bumper lower body 821 , or at least the front bumper lower body 821 and the front bumper upper body 822 form a fourth air duct 4 . Wind channel 4. The fourth air duct 4 is formed by the front bumper shell 82, which can effectively use the existing structure of the vehicle body to open molds and form the air duct, which is beneficial to reducing structural complexity and cost. In one example, the end of the front bumper lower body 821 is bent to form the third side wall 411 of the fourth air duct 4 , and the end of the front bumper upper body 822 is bent to form the fourth side wall 412 of the fourth air duct 4 , at least the third side wall 411 and the fourth side wall 412 form a fourth air channel.

In some embodiments, the front bumper shell 82 further includes a second side plate 413 disposed inside the third side wall 411 or the fourth side wall 412, at least the third side wall 411 and the fourth side wall 412. The side wall 412 and the second side plate 413 surround and form the fourth air channel 4 . It can be understood that the structure forming the fourth air duct 4 is not limited to the third side wall 411, the fourth side wall 412 and the second side plate 413, and may also include other side plates, for example.

In one embodiment, the fourth air duct is arranged obliquely on the front bumper housing 82 close to the side of the front wheel. In some embodiments, the fourth air duct air inlet 41 and the air intake grille assembly 83 are arranged along the transverse direction of the vehicle, and the distance from the fourth air duct air inlet 41 to the side of the vehicle body is smaller than the end of the air intake grille assembly 83 The distance from the bottom to the side of the car body. The lateral direction of the vehicle refers to the horizontal direction parallel to the wheel axis, or the direction generally perpendicular to the direction of travel of the vehicle.

In one embodiment, the cross-sectional area of the fourth air duct air inlet 41 is larger than the cross section of the fourth air duct air outlet 42 , so that after the air enters from the fourth air duct air inlet 41 , it passes through the fourth air duct air outlet 42 High-speed outflow can increase the downforce of the vehicle during driving. In one example, the cross-sectional area of the fourth air duct gradually decreases from the fourth air duct air inlet 41 to the fourth air duct air outlet 42, so that the air pressure and flow rate of the air flowing through it increase, which can effectively Increase vehicle downforce.

In one embodiment, the second air duct air inlet 21 is located above the fourth air duct air inlet 41 , and the second air duct air outlet 22 is located above the fourth air duct air outlet 42 . Through the combined design of the second air duct 2 and the fourth air duct 4, the air on the windward side of the vehicle is guided to the outside of the front wheelhouse lining 81. The front end of the vehicle is provided with an upper and lower air duct combination near the front wheel, which can effectively Reduce the wind resistance of the vehicle and reduce the energy consumption of the vehicle. At the same time, with the cooperation of the upper and lower air ducts (i.e. the second air duct and the fourth air duct), the wind resistance of the vehicle is more uniform and the downforce of the vehicle is effectively increased. The arrangement of the second air duct and the fourth air duct in this embodiment is helpful to solve the problem of side clipping when the front bumper upper body 822 and the front bumper lower body 821 of the front bumper housing 82 are bent and connected in a special shape. Corner areas cause airflow to stagnate and form high-pressure airflow areas, resulting in a large vehicle drag coefficient. By guiding the airflow in the high-pressure area of the airflow backward from the front wheelhouse lining 81 in front of the vehicle's front wheel to the outside of the wheel, the air resistance in front of the vehicle is reduced, the airflow speed on the side of the wheel is increased, and the vehicle speed is increased.

In one embodiment, as shown in Figures 11-13, the third air duct 3 includes a third air duct air inlet 31 and a third air duct air outlet 32; the third air duct air inlet 31 is located at the front end of the vehicle; The air duct air outlet 32 is located on a side of the front wheelhouse lining 81 close to the vehicle frame, and the third air duct air outlet 32 is disposed toward the brake disc of the front wheel. Through the third air duct, not only can the wind resistance of the vehicle be reduced, but at the same time, the air discharged from the air outlet 32 of the third air duct can be blown toward the brake disc, thereby cooling the brake disc.

In one embodiment, the air intake grill assembly 83 is provided with a first air inlet, and the third air duct air inlet 31 is disposed toward the first air inlet. In this embodiment, the third air duct air inlet 31 is hidden in the In the first air inlet of the air intake grille assembly 83, the air entering through the first air inlet can further enter the third air duct 3. There is no need to separately design an exterior shape for the third air duct on the exterior surface of the vehicle. Just use the first air inlet in the existing air intake grille assembly 83 on the vehicle to take in air.

In one example, the cross-sectional area of the third air duct gradually decreases from the third air duct air inlet 31 to the third air duct air outlet 32 . This increases the pressure and velocity of the air flowing through it, which can effectively increase the downforce of the vehicle. In one example, the cross-sectional area of the third air duct air inlet is larger than the cross-sectional area of the third air duct air outlet.

In one embodiment, the third air duct 3 may be formed by the front bumper housing 82 .

In an embodiment, as shown in Figure 13, the third air duct 3 can also be formed by an independent air guide structure. The vehicle air duct system also includes a third air duct air guide structure 33. The third air duct air guide structure 33 includes a third air guide housing 331 and a fourth air guide housing 332. The third air guide housing 331 and the fourth air guide housing 332 The air guide housings 332 are arranged oppositely, and the third air guide housing 331 and the fourth air guide housing 332 are fixedly connected to form the third air channel 3 . In this embodiment, the third air duct air guide structure 33 is an independent air guide channel device installed in the car shell, which is easy to install and disassemble, convenient for cleaning, and the air guide is smoother.

The third air duct 3 can allow the oncoming wind from the front of the air intake grille assembly 83 to enter through the first air inlet and the third air duct air inlet 31 during the driving of the vehicle and then pass through the air formed by the third air duct air guide structure 33 The third air duct is led out from the third air duct air outlet 32 inside the front wheel to the outside of the vehicle, which can reduce the air resistance in front of the vehicle and also cool the brake disc.

In one embodiment, as shown in Figures 14-16, the fifth air duct 5 includes a fifth air duct air inlet 51 and a fifth air duct air outlet 52; the fifth air duct air inlet 51 is provided on the front wheelhouse lining. 81, the fifth air duct air outlet 52 is provided on the side of the front fender 86 of the vehicle close to the front door 87 of the vehicle.

In one embodiment, as shown in FIG. 15 , the front door 87 is provided with a recessed air guide groove 871 near the fifth air duct air outlet 52 . The air guide groove 871 is a streamlined groove provided on the front door 87 . The air guide grooves 871 are used to guide the air flow through the vehicle body on both sides more smoothly to prevent turbulence around the vehicle body.

In one embodiment, the fifth air duct air inlet 51 is provided on a side of the front wheelhouse lining 81 close to the rear end of the vehicle. This can reduce wind resistance in the middle of the vehicle.

In one embodiment, as shown in Figure 16, the vehicle air duct system also includes a fifth air duct air guide structure 53. The fifth air duct air guide structure 53 includes a fifth air guide housing 531 and a sixth air guide housing. 532, fifth air guide housing 531 and the sixth air guide housing 532 are arranged opposite to each other, and the fifth air guide housing 531 and the sixth air guide housing 532 are fixedly connected to form the fifth air channel 5 . The fifth air duct air guide structure 53 in this embodiment is an independent air guide channel device installed in the car shell, which is easy to install and disassemble, convenient for cleaning, and the air guide is smoother. In another example, the fifth air duct may also be formed by other shells of the vehicle.

The fifth air duct 5 can lead part of the undercar airflow and the circulating airflow generated by the wheel rotation in the front wheelhouse lining 81 from the side of the vehicle body through the fifth air duct air inlet 51 on the front wheelhouse lining 81 behind the front wheel. Further reduce air resistance.

In one example, the cross-sectional area of the fifth air duct gradually decreases from the fifth air duct air inlet 51 to the fifth air duct air outlet 52 . This increases the pressure and velocity of the air flowing through it, which can effectively increase the downforce of the vehicle. In one example, the cross-sectional area of the fifth air duct air inlet is larger than the cross-sectional area of the fifth air duct air outlet.

In one embodiment, as shown in Figure 14, the sixth air duct 6 includes a sixth air duct air inlet 61 and a sixth air duct air outlet 62; the sixth air duct air inlet 61 is provided on the rear wheelhouse lining 888. ; The sixth air duct air outlet 62 is provided at the rear bumper assembly at the rear of the vehicle.

In one embodiment, the sixth air duct air inlet 61 is provided on a side of the rear wheelhouse liner 888 close to the rear end of the vehicle. Specifically, as shown in FIG. 17 , in some embodiments, the vehicle air duct system also includes a sixth air duct air guide structure 63 , and the sixth air duct air guide structure 63 includes a seventh air guide housing 631 and an eighth air guide housing 631 . The housing 632, the seventh air guide housing 631 and the eighth air guide housing 632 are arranged oppositely, and the seventh air guide housing 631 and the eighth air guide housing 632 are fixedly connected and form a sixth air channel.

In one example, the cross-sectional area of the sixth air duct gradually decreases from the sixth air duct air inlet 61 to the sixth air duct air outlet 62 . This increases the pressure and velocity of the air flowing through it, which can effectively increase the downforce of the vehicle. In one example, the cross-sectional area of the sixth air duct air inlet is larger than the cross-sectional area of the sixth air duct air outlet.

The sixth air duct 6 can lead part of the airflow under the vehicle and the circulating airflow generated by the wheel rotation in the rear wheelhouse lining 888 from the rear of the vehicle through the sixth air duct air inlet 61 on the front wheelhouse lining 81 behind the front wheel. Further reduce air resistance.

The fifth air duct and the sixth air duct in this embodiment guide the airflow under the vehicle from the sides and rear of the vehicle to the outside of the vehicle, reducing the airflow on both sides from entering the bottom of the vehicle and accelerating the airflow velocity on both sides of the vehicle body, thereby further reducing air resistance and increasing speed and reduce energy consumption.

In some embodiments, as shown in Figures 1-3, the seventh air duct 7 includes a seventh air duct air inlet 71 and a seventh air duct air inlet 71. There are seven air duct air outlets 72; the seventh air duct is located on the side of the D-pillar decorative panel 74 facing the interior of the vehicle. The seventh air duct air inlet 71 is arranged toward the side of the D-pillar window 73. The D-pillar window 73 can be a window located between the C-pillar and the D-pillar decorative panel 74, or can also be a D-pillar triangular window. It is understood that It should be noted that the D-pillar form 73 is not limited to a triangular shape. The seventh air duct air outlet 72 is arranged toward the rear end of the automobile. By arranging the seventh air duct inside the D-pillar decorative panel 74, the wind resistance on both sides of the rear end of the vehicle can be further reduced, thereby reducing the energy consumption of the vehicle.

In one embodiment, the seventh air duct air inlet 71 is provided between the D-pillar window 73 and the D-pillar decorative panel 74 .

In one embodiment, as shown in FIG. 2 , the D-pillar decorative panel 74 includes an outer D-pillar decorative panel 741 and an inner D-pillar decorative panel 742 , at least an outer D-pillar decorative panel 741 and an inner D-pillar decorative panel 742 . The seventh wind channel 7 is formed. In this embodiment, the D-pillar window 73 includes a window part and a decorative panel mounting part. The D-pillar decorative panel inner panel 742 is overlapped and disposed on the decorative panel mounting part of the D-pillar window 73. The D-pillar decorative panel outer panel 741 is assembled on the D pillar. A seventh air duct 7 that can guide wind is formed between the outer side of the decorative panel inner panel 742, the D-pillar decorative panel outer panel 741 and the D-pillar decorative panel inner panel 742.

In some embodiments, at least the D-pillar window 73 , the D-pillar decorative panel outer panel 741 and the D-pillar decorative panel inner panel 742 form the seventh air duct 7 . The seventh air duct air inlet 71 is formed between the end of the D-pillar decorative panel outer panel 741 close to the window and the window, and the seventh air duct air inlet 71 is formed between the end of the D-pillar decorative panel outer panel 741 away from the window and the D-pillar decorative panel inner panel 742. Seven wind channels air outlet 72.

In some embodiments, the seventh air duct air inlet 71 has a long strip or long triangular structure. The cross-sectional area of the seventh air duct air inlet 71 is larger than the cross-sectional area of the seventh air duct air outlet 72, which can not only reduce the air resistance caused by the oncoming wind on both sides of the vehicle, but also increase the air flow speed inside the seventh air duct, further Increase the downforce of the vehicle and reduce the energy consumption of the vehicle. In one example, the cross-sectional area of the seventh air duct gradually decreases from the seventh air duct air inlet 71 to the seventh air duct air outlet 72 . This increases the pressure and velocity of the air flowing through it, which can effectively increase the downforce of the vehicle.

It can be understood that the various implementations described in the above embodiments can be combined with each other, and the specific implementations of the above air ducts can also be combined with each other, and the combined solution has the benefits corresponding to the various implementations. Effect.

The above are the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications are also regarded as the present invention. protection scope of the invention.

Claims (13)

A vehicle air duct system for a vehicle, characterized in that the vehicle air duct system includes a D-pillar decorative panel and a D-pillar window; The vehicle air duct system is provided with a seventh air duct, and the seventh air duct includes a seventh air duct air inlet and a seventh air duct air outlet; The seventh air duct is located on the side of the D-pillar decorative panel facing the interior of the vehicle; The seventh air duct air inlet is provided toward the side of the D-pillar window; The seventh air duct air outlet is disposed toward the rear end of the automobile. The vehicle air duct system according to claim 1, wherein the D-pillar decorative panel includes an outer D-pillar decorative panel and an inner D-pillar decorative panel, at least the outer panel of the D-pillar decorative panel and the D-pillar decorative panel. The inner panel forms the seventh air channel. The vehicle air duct system according to claim 2, wherein at least the D-pillar window, the D-pillar decorative panel outer panel and the D-pillar decorative panel inner panel form the seventh air duct. The vehicle air duct system for reducing wind resistance according to claim 1, wherein the seventh air duct air inlet is a long strip or a long triangular inlet. The vehicle air duct system for reducing wind resistance according to any one of claims 1 to 4, characterized in that the cross-sectional area of the seventh air duct air inlet is larger than the cross-sectional area of the seventh air duct air outlet. . The air duct system according to any one of claims 1 to 5, characterized in that the air duct system further includes a front door and a front wheelhouse lining arranged outside the front wheel of the vehicle; the air duct system The system is also provided with a fifth air duct, and the fifth air duct includes a fifth air duct air inlet and a fifth air duct air outlet; The fifth air duct air inlet is provided on the front wheelhouse lining, and the fifth air duct air outlet is provided on a side of the front fender of the vehicle close to the front door of the vehicle. The air duct system according to claim 6, wherein the front door is provided with a recessed air guide groove near the fifth air duct air outlet. The air duct system according to claim 6 or 7, wherein the fifth air duct air inlet is provided on a side of the front wheelhouse lining close to the rear end of the vehicle. The air duct system according to any one of claims 6 to 8, characterized in that the number of the fifth air ducts is two, and the two fifth air ducts are symmetrically arranged on the vehicle. The air duct system according to any one of claims 6 to 9, characterized in that the air duct system further includes a fifth air duct air guide structure, and the fifth air duct air guide structure includes a fifth air guide shell. body and number Six air guide housings, the fifth air guide housing and the sixth air guide housing are arranged oppositely, and the fifth air guide housing and the sixth air guide housing are fixedly connected, and The fifth air channel is formed. The air duct system according to any one of claims 1 to 10, characterized in that, the air duct system further includes a rear wheelhouse lining arranged outside the rear wheel of the vehicle; the air duct system is further provided with There is a sixth air duct, and the sixth air duct includes a sixth air duct air inlet and a sixth air duct air outlet; The sixth air duct air inlet is provided on the rear wheelhouse lining; the sixth air duct air outlet is provided at the rear bumper assembly at the rear of the vehicle. The air duct system according to any one of claims 1 to 11, characterized in that the air duct system includes a front bumper housing disposed at the front end of the vehicle, and a front bumper housing located between the front bumper housing and the front bumper housing. The front hood of the vehicle between the front windshields of said vehicle; The air duct system is also provided with a first air duct, and the first air duct includes a first air duct air inlet and a first air duct air outlet; The first air duct air inlet is located at the front end of the vehicle and is formed on the front bumper housing; The first air duct air outlet is located on a side of the automobile front cover close to the front bumper housing. A vehicle, characterized by including the air duct system according to any one of claims 1 to 12.