Airflow control system, cooling system and vehicle

Abstract

This application relates to an airflow control system, a cooling system, and a vehicle. The airflow control system includes an engine compartment, a bumper, an active grille, an air duct, a decorative air duct, and a controller. The bumper is mounted on the front of the engine compartment; the active grille is mounted on the bumper; the air duct is mounted on the bumper and extends to the side of the vehicle body; the decorative air duct is mounted on the bumper; the controller is signal-connected to the active grille and the decorative air duct to control the opening and closing of the active grille and the decorative air duct. When the active grille is open, air enters the engine compartment through the active grille; when the decorative air duct is open, air flows out to the side of the vehicle body through the decorative air duct, the air duct, and the side trim panel. The airflow control system, the cooling system, and the vehicle can adjust different airflow schemes according to different air demand requirements to meet the specific cooling needs of the vehicle while effectively reducing wind resistance.

Description

Technical Field

[0001] This application relates to the field of air inflow control system technology, and in particular to air inflow control systems, cooling systems, and vehicles. Background Technology

[0002] With the development of vehicle control technology, air intake grille control technology has emerged. This technology achieves control by adjusting the opening angle of the active grille blades (e.g., fully open or fully closed). By controlling the air intake grille, it is possible to effectively intervene in vehicle drag and also to effectively control the airflow entering the engine compartment and passing through various cooling devices (such as the engine radiator and transmission radiator), thereby altering vehicle drag and cooling capacity.

[0003] Currently, commercial vehicles typically use an active grille to allow air to enter the cooling system for ventilation and heat dissipation. However, when the cooling system does not require air, such as during a cold start, the active grille can be completely closed to prevent cooling air from entering and allow the powertrain to warm up quickly and reach its optimal operating state. However, closing the active grille at this time increases wind resistance, leading to increased fuel consumption or reduced driving range. Summary of the Invention

[0004] Based on this, an air inflow control system, a cooling system, and a vehicle are provided, which can adjust different air inflow schemes according to different air demand to meet the specific cooling needs of the vehicle, while effectively reducing wind resistance.

[0005] An embodiment of the first aspect of this application provides an air inflow control system, comprising:

[0006] Engine compartment; and

[0007] A bumper, which is mounted on the front of the engine compartment;

[0008] An active grille, mounted on the bumper, is capable of opening and closing; when open, the active grille communicates with the engine compartment.

[0009] A deflector duct is installed on the bumper and extends to the side of the vehicle body;

[0010] A flow-guiding decorative grille is installed on the bumper. The flow-guiding decorative grille can be opened and closed. When the flow-guiding decorative grille is open, it is connected to the flow-guiding duct.

[0011] A controller is connected to the active grille and the flow-guiding decorative grille respectively to control the closing and opening amounts of the active grille and the flow-guiding decorative grille;

[0012] When the active grille is open, air enters the engine compartment through the active grille;

[0013] When the airflow decorative grille is opened, the airflow flows out to the side of the vehicle body through the airflow decorative grille, the airflow duct, and the side decorative panel.

[0014] According to the airflow control system of this application embodiment, when the vehicle's engine needs cooling, the active grille opens and the air-guiding decorative grille closes, allowing air to directly enter the engine compartment through the active grille, providing airflow for cooling within the engine compartment and enabling the engine to have excellent cooling function, effectively reducing fuel consumption. When the vehicle's engine does not need cooling, the active grille closes and the air-guiding decorative grille opens, allowing air to flow through the air-guiding decorative grille into the air-guiding duct, and then from the air-guiding duct to the side of the vehicle body for exhaust, effectively reducing wind resistance and overall vehicle fuel consumption. Simultaneously, it blows away mud and debris from the side of the vehicle body, effectively cleaning the vehicle's surface. In summary, the airflow control system can adjust different airflow schemes according to different airflow demands, meeting the specific cooling needs of the vehicle while effectively reducing wind resistance.

[0015] In one embodiment, the bumper is provided with an air guide channel, and the active grille is disposed in the air guide channel.

[0016] In one embodiment, the flow-guiding decorative grille includes:

[0017] Decorative panel, the decorative panel facing the front of the vehicle body;

[0018] An active flow guiding grille mechanism is provided in the air guide groove. There are two active flow guiding grille mechanisms, which are located on both sides of the active grille. The active flow guiding grille mechanism has a flow guiding grille that can be opened and closed.

[0019] In one embodiment, the air inflow control system further includes a side trim panel disposed on the side of the vehicle body. The side trim panel is disposed at one end of the air duct away from the air duct decorative grille. The side trim panel is provided with a side air outlet, which is connected to the air duct. Air supplied from the side air outlet flows out from the side of the vehicle body.

[0020] In one embodiment, the airflow control system further includes a spoiler mounted on both sides of the bumper, with an air outlet gap between the spoiler and the bumper.

[0021] In one embodiment, the bumper is equipped with headlights, and the air duct is located behind the headlights; and / or

[0022] The bumper is equipped with a conventional grille, and the conventional grille is equipped with conventional ventilation holes, which are connected to the engine compartment.

[0023] An embodiment of the second aspect of this application provides a heat dissipation system including the air inflow control system described in any of the foregoing embodiments, wherein the engine compartment has a built-in heat dissipation device.

[0024] According to the cooling system of this application embodiment, when the vehicle engine needs cooling, the active grille opens and the air-guiding decorative grille closes, allowing air to directly enter the engine compartment through the active grille, providing airflow to the cooling devices in the engine compartment, thus enabling the engine to have excellent cooling function and effectively reducing fuel consumption. When the vehicle engine does not need cooling, the active grille closes and the air-guiding decorative grille opens, allowing air to flow through the air-guiding decorative grille into the air-guiding duct, and then from the air-guiding duct to the side of the vehicle body for exhaust, effectively reducing wind resistance and overall vehicle fuel consumption. Simultaneously, it blows away mud and debris from the side of the vehicle body, effectively cleaning the vehicle's surface. In summary, the cooling system can adjust different airflow schemes according to different air demand, meeting the specific cooling needs of the vehicle while effectively reducing wind resistance.

[0025] In one embodiment, the heat dissipation device includes a radiator, and a side air guide is provided in the engine compartment, the side air guide and the radiator forming a heat dissipation cavity.

[0026] In one embodiment, the heat dissipation device further includes an engine fan for mounting at the engine, the engine fan being positioned behind the radiator, and the radiator and the engine fan being signal-connected to the controller.

[0027] In one embodiment, the cooling system includes a temperature sensor disposed at the engine for detecting the engine temperature, and the temperature sensor is signal-connected to the controller.

[0028] An embodiment of the third aspect of this application provides a vehicle including the cooling system described in any of the foregoing embodiments.

[0029] The aforementioned vehicles can adjust different airflow schemes according to different air demand to meet the specific heat dissipation requirements of the vehicles, while effectively reducing wind resistance and overall fuel consumption. They also blow away mud and debris from the sides of the vehicle body, thus purifying the vehicle body surface. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of an air inflow control system for an engine compartment according to an embodiment of this application.

[0031] Figure 2 This is a schematic diagram of the air inflow guide duct in an air inflow control system according to an embodiment of this application.

[0032] Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0033] Figure 4 for Figure 2 A magnified view of a portion of point B in the middle.

[0034] Figure 5 This is a schematic diagram of the structure of an air inflow control system according to an embodiment of this application.

[0035] Figure 6 This is a front view of an air inflow control system according to an embodiment of this application.

[0036] Figure label:

[0037] 1. Engine compartment;

[0038] 2. Bumper; 21. Headlights; 22. Standard grille; 221. Standard ventilation openings; 23. Air ducts;

[0039] 3. Active grille;

[0040] 4. Airflow duct;

[0041] 5. Airflow-guiding decorative grille; 51. Decorative panel; 52. Active airflow-guiding grille mechanism; 521. Airflow-guiding grille;

[0042] 6. Side decorative panel; 61. Side air outlet;

[0043] 7. Spoiler; 71. Air outlet gap;

[0044] 8. Cooling device; 81. Radiator; 82. Engine fan;

[0045] 9. Side air guide plate; 91. Heat dissipation cavity;

[0046] 10. Car door;

[0047] 11. Fenders. Detailed Implementation

[0048] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0049] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0050] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0051] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0052] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0053] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0054] See Figure 1 and Figure 2 , Figure 1 A schematic diagram of the structure of airflow into engine compartment 1 in an airflow control system according to an embodiment of this application is shown. Figure 2 A schematic diagram of the air inflow guide duct 4 in an air inflow control system according to an embodiment of this application is shown. An embodiment of the first aspect of this application proposes an air inflow control system including an engine compartment 1, a bumper 2, an active grille 3, a guide duct 4, a guide decorative grille 5, and a controller. The bumper 2 is mounted on the front end of the engine compartment 1; the active grille 3 is mounted on the bumper 2 and can be opened and closed; when the active grille 3 is open, it communicates with the engine compartment 1; the guide duct 4 is mounted on the bumper 2 and extends to the side of the vehicle body; the guide decorative grille 5 is mounted on the bumper 2 and can be opened and closed; when the guide decorative grille 5 is open, it communicates with the guide duct 4; the controller is signal-connected to the active grille 3 and the guide decorative grille 5 respectively to control the opening and closing amounts of the active grille 3 and the guide decorative grille 5.

[0055] When the active grille 3 is open, air enters the engine compartment 1 through the active grille 3. When the airflow decorative grille 5 is open, airflow flows out to the side of the vehicle body through the airflow decorative grille 5, the airflow duct 4, and the side decorative panel 6.

[0056] According to the airflow control system of this application embodiment, when the vehicle engine needs cooling, the active grille 3 opens and the airflow guide grille 5 closes, allowing air to directly enter the engine compartment 1 through the active grille 3, providing airflow for cooling within the engine compartment 1, thus enabling the engine to have excellent cooling function and effectively reducing fuel consumption. When the vehicle engine does not need cooling, the active grille 3 closes and the airflow guide grille 5 opens, allowing air to flow into the airflow duct 4 through the airflow guide grille 5, and then flow from the airflow duct 4 to the side of the vehicle body for exhaust, effectively reducing wind resistance and overall vehicle fuel consumption. At the same time, due to the reduced cavity size of the airflow duct 4, the wind speed is amplified, which can blow away mud and debris from the side of the vehicle body, effectively purifying the vehicle body surface. In summary, when the active grille 3 is closed, air flows from the air guide decorative grille 5 into the air guide duct 4 and is discharged to the side of the vehicle body, reducing the resistance generated by the air lingering in front of the active grille 3, preventing turbulence, effectively reducing wind resistance. The air inflow control system can adjust different air inflow schemes according to different air demand to meet the specific heat dissipation needs of the vehicle, while effectively reducing wind resistance.

[0057] See Figure 1 and Figure 2 In some embodiments, the bumper 2 is provided with an air guide slot 23, and the active grille 3 is disposed in the air guide slot 23. The air guide slot 23 guides and collects the air entering the active grille 3, so that when the active grille 3 needs to allow air to pass through, the air can be better collected into the engine compartment 1 by the active grille 3.

[0058] See Figure 2 , Figure 3 and Figure 5 , Figure 3 It shows Figure 2 A magnified view of a portion of point A in the middle. Figure 5 A schematic diagram of an airflow control system according to an embodiment of this application is shown. In some embodiments, the airflow deflector grille 5 includes a decorative panel 51 and an active airflow deflector grille mechanism 52, with the decorative panel 51 facing the front of the vehicle body. The active airflow deflector grille mechanism 52 is disposed within the airflow duct 23. Two active airflow deflector grille mechanisms 52 are provided, located on either side of the active grille 3. Each active airflow deflector grille mechanism 52 has a deflector grille 521 that can be opened and closed. The decorative panel 51 has decorative elements facing the front of the vehicle body. The deflector grille 521 on the active airflow deflector grille mechanism 52 can be opened or closed under the control of a controller. When airflow reaches the closed active grille 3, its direction changes, flowing to the deflector grille 521 of the active airflow deflector grille 52.

[0059] See Figure 4 , Figure 4 It shows Figure 2A partially enlarged schematic diagram at point B. In some embodiments, the air inflow control system further includes a side trim panel 6 disposed on the side of the vehicle body. The side trim panel 6 is located at the end of the airflow duct 4 away from the airflow decorative grille 5. The side trim panel 6 is provided with a side air outlet 61, which is connected to the airflow duct 4, and the air supplied by the side air outlet 61 flows out from the side of the vehicle body. The side trim panel 6 is connected to the end of the airflow duct 4, which further guides the airflow and improves the stability of the airflow path.

[0060] See Figure 4 In some embodiments, the airflow control system further includes a spoiler 7, which is mounted on both sides of the bumper 2, and an air outlet gap 71 is provided between the spoiler 7 and the bumper 2. The air outlet gap 71 allows air to pass through, which can further reduce the wind resistance of the vehicle.

[0061] See Figure 1 and Figure 2 In some embodiments, the bumper 2 is equipped with a headlight 21, and the air duct 4 is located behind the headlight 21. The headlight 21 provides some protection for the air duct 4 and improves the structural stability of the air duct 4.

[0062] See Figure 6 , Figure 6 A front view of an airflow control system according to an embodiment of this application is shown. In some embodiments, a conventional grille 22 is provided on the bumper 2, and a conventional ventilation hole 221 is provided on the conventional grille 22, which communicates with the engine compartment 1. The conventional ventilation hole 221 has the function of conventional ventilation. The conventional grille 22 is directly connected to the engine compartment 1, providing a certain amount of air intake for heat dissipation in the engine compartment 1, ensuring that the engine does not need other heat dissipation most of the time, and can dissipate heat only through the air volume provided by the conventional ventilation hole 221.

[0063] See Figure 1 and Figure 2 The second aspect of this application provides a heat dissipation system including the air inflow control system of any of the above embodiments, wherein the engine compartment 1 has a built-in heat dissipation device 8.

[0064] According to the cooling system of this application embodiment, when the vehicle engine needs cooling, the active grille 3 opens and the air-guiding decorative grille 5 closes. Air flows directly into the engine compartment 1 through the active grille 3, providing airflow to the cooling device 8 within the engine compartment 1, thus enabling the engine to have excellent cooling function and effectively reducing fuel consumption. When the vehicle engine does not need cooling, the active grille 3 closes and the air-guiding decorative grille 5 opens. Air flows through the air-guiding decorative grille 5 into the air-guiding duct 4, and then flows from the air-guiding duct 4 to the side of the vehicle body for exhaust, effectively reducing wind resistance and overall vehicle fuel consumption. Simultaneously, it blows away mud and debris from the side of the vehicle body, effectively cleaning the vehicle's surface. In summary, the cooling system can adjust different airflow schemes according to different air demand, meeting the specific cooling needs of the vehicle while effectively reducing wind resistance.

[0065] See Figure 1 and Figure 2 In some embodiments, the heat dissipation device 8 includes a radiator 81, and a side air guide 9 is provided in the engine compartment 1. The side air guide 9 and the radiator 81 form a heat dissipation cavity 91. The heat dissipation cavity 91 is connected to the airflow introduced by the active grille 3, providing airflow for the heat dissipation operation of the radiator 81. The heat dissipation cavity 91, formed by the side air guide 9 and the radiator 81, can reduce airflow loss, allowing air to be more effectively input to the radiator 81.

[0066] In some embodiments, the heat dissipation device 8 further includes an engine fan 82 for mounting at the engine, the engine fan 82 being positioned behind the radiator 81, and the radiator 81 and the engine fan 82 being signal-connected to the controller.

[0067] In some embodiments, the cooling system includes a temperature sensing element disposed at the engine to detect the engine temperature. The temperature sensing element is connected to a controller signal. The temperature sensing element may be a temperature sensor installed in the heat-generating area of ​​the engine to detect and monitor the engine's heating status.

[0068] When the engine load is high and cooling is required, the controller opens the active grille 3, allowing air to enter the engine compartment 1 through the active grille 3 and reach the radiator 81 to cool the engine. In this case, the engine fan 82 does not need to be turned on. When the engine overheats, the controller opens the active grille 3 and simultaneously turns on the engine fan 82 to accelerate engine cooling. When engine cooling is not required, the controller closes the active grille 3 and opens the airflow guide grille 5. Air enters the airflow duct 4 through the airflow guide grille 521, flows out from the side trim panel 6, and merges with the airflow from the air outlet gap 71 before flowing away from the side of the vehicle body.

[0069] An embodiment of the third aspect of this application provides a vehicle including the cooling system of any of the above embodiments.

[0070] The aforementioned vehicles can adjust different airflow schemes according to different air demand to meet the specific heat dissipation requirements of the vehicles, while effectively reducing wind resistance and overall fuel consumption. They also blow away mud and debris from the sides of the vehicle body, thus purifying the vehicle body surface.

[0071] See Figure 1 and Figure 2 In some embodiments, the vehicle is provided with a door 10 and a fender 11 on the side of the vehicle body. When the active grille 3 is closed and the air guide decorative grille 5 is open, the air enters the air guide duct 4 through the air guide decorative grille 5, flows out through the side air outlet 61 of the side decorative panel 6, and flows away from the outside of the door 10 and the fender 11, which has the effect of cleaning the vehicle body.

[0072] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An air inflow control system characterized by, include: Engine compartment; as well as A bumper, which is mounted on the front of the engine compartment; The bumper is equipped with a conventional grille, which has conventional ventilation holes that are directly connected to the engine compartment. The conventional ventilation holes provide conventional ventilation and a constant air intake for heat dissipation in the engine compartment. An active grille, mounted on the bumper, is capable of opening and closing; when open, the active grille communicates with the engine compartment. A deflector duct is installed on the bumper and extends from the front end of the bumper to the fender area on the side of the vehicle. A flow-guiding decorative grille is installed on the bumper. The flow-guiding decorative grille can be opened and closed. When the flow-guiding decorative grille is open, it is connected to the flow-guiding duct. A controller is connected to the active grille and the air-guiding decorative grille respectively, and dynamically adjusts and controls the closing and opening amounts of the active grille and the air-guiding decorative grille according to the real-time temperature signal of the engine; the controller is configured to: control the active grille to open and the air-guiding decorative grille to close when the engine needs to dissipate heat, and control the active grille to close and the air-guiding decorative grille to open when the engine does not need to dissipate heat; A side decorative panel is provided on the side of the vehicle body. The side decorative panel is located at the end of the air duct away from the air duct decorative grille. The side decorative panel is provided with a side air outlet, which is connected to the air duct. The air supplied by the side air outlet flows out from the side of the vehicle body. When the active grille is open, air enters the engine compartment through the active grille; When the airflow decorative grille is opened, the airflow flows out to the side of the vehicle body through the airflow decorative grille, the airflow duct, and the side air outlet of the side decorative panel.

2. The air inflow control system of claim 1, wherein The bumper is provided with an air guide channel, and the active grille is disposed in the air guide channel.

3. The air inflow control system of claim 2, wherein The air-guiding decorative grille includes: Decorative panel, the decorative panel facing the front of the vehicle body; An active flow guiding grille mechanism is provided in the air guide groove. There are two active flow guiding grille mechanisms, which are located on both sides of the active grille. The active flow guiding grille mechanism has a flow guiding grille that can be opened and closed.

4. The air inflow control system of claim 1, wherein The air inflow control system also includes a spoiler, which is installed on both sides of the bumper, and an air outlet gap is provided between the spoiler and the bumper.

5. The air inflow control system of claim 1, wherein The bumper is equipped with headlights, and the air duct is located behind the headlights.

6. A heat dissipation system, characterized in that, The air inflow control system includes any one of claims 1-5, wherein the engine compartment has a built-in heat dissipation device.

7. The heat dissipation system according to claim 6, characterized in that, The heat dissipation device includes a radiator, and a side air guide plate is provided in the engine compartment. The side air guide plate and the radiator form a heat dissipation cavity.

8. The heat dissipation system according to claim 7, characterized in that, The heat dissipation device also includes an engine fan for installation at the engine, the engine fan being positioned behind the radiator, and the radiator and the engine fan being signal-connected to the controller.

9. The heat dissipation system according to claim 8, characterized in that, The cooling system includes a temperature detection device, which is located at the engine and used to detect the engine temperature. The temperature detection device is signal-connected to the controller.

10. A vehicle, characterized in that, The heat dissipation system includes any one of claims 6-9.

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