A multi-channel switching air intake grille, vehicle and control method

Abstract

This application relates to the field of vehicle structure technology, providing a multi-channel switching air intake grille, a vehicle, and a control method, comprising: a grille frame with an air intake; multiple switching columns arranged side-by-side and rotating, each switching column having a first air inlet, a second air inlet connected to the first air inlet, and a third air inlet connected to the first air inlet on its outer wall, the air outlet area of ​​the first air inlet being larger than that of the second air inlet, the first air inlet, the second air inlet, and the third air inlet being spaced apart along a circumferential direction, and a sealed portion forming a region on the outer wall of the switching column between the second air inlet and the third air inlet; and a drive structure that is drively connected to the multiple switching columns, the switching columns being rotated by the drive structure to connect the first air inlet to the air intake, the second air inlet to the air intake, the third air inlet to the air intake, or the sealed portion blocking the air intake. This application solves the problem that the air intake volume of the air intake grille in the prior art cannot be adjusted in multiple stages.

Description

Technical Field

[0001] This application relates to the field of vehicle structure technology, and more specifically, to a multi-channel switching air intake grille, a vehicle, and a control method. Background Technology

[0002] Currently, the front grille, as the outermost air intake mechanism of a car, manages the engine's thermal load by adjusting the airflow entering the engine compartment. The grille primarily serves two functions: firstly, it cools the engine when open, and secondly, it reduces wind resistance when closed at high speeds.

[0003] The existing air intake grille uses a linkage structure to open or close uniformly, allowing only two states. It cannot provide multi-level adjustment of the air intake volume. During medium-speed vehicle operation, either fully opening the grille results in high wind resistance, or fully closing it causes engine overheating, leading to inconvenience in vehicle use.

[0004] Therefore, existing technologies still need to be improved and developed. Summary of the Invention

[0005] The purpose of this application is to provide a multi-channel switching air intake grille, vehicle, and control method, which solves the problem that the air intake volume of the air intake grille cannot be adjusted in multiple stages in the prior art.

[0006] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0007] On the one hand, this application provides a multi-channel switching air intake grille, including: a grille frame, on which an air intake is provided;

[0008] Multiple switching columns are arranged side by side and rotate. Each switching column has at least a first air outlet, a second air outlet connected to the first air outlet, and a third air outlet connected to the first air outlet on its outer wall. The air outlet area of ​​the first air outlet is larger than that of the second air outlet, and the air outlet area of ​​the second air outlet is greater than or equal to that of the third air outlet. The first air outlet, the second air outlet, and the third air outlet are distributed at intervals along the circumference. The outer wall area of ​​the switching column between the second air outlet and the third air outlet forms a sealed part.

[0009] The drive structure is a transmission connection to multiple switching columns, which rotate under the drive of the drive structure.

[0010] as well as

[0011] A position detection component is electrically connected to a drive structure and is used to detect the rotational position of a switching column so that the switching column is in different rotational positions and docks with the air inlet; wherein, in different rotational positions, a first air outlet connects to the air inlet, a second air outlet connects to the air inlet, a third air outlet connects to the air inlet, or a sealing part blocks the air inlet.

[0012] In an optional embodiment, the switching column is a switching cylinder, with the first air vent, the second air vent, and the third air vent distributed on the outer wall of the switching cylinder.

[0013] In an optional embodiment, a first ventilation channel is formed between the first air outlet and the second air outlet, and a second ventilation channel is formed between the first air outlet and the third air outlet;

[0014] Both the first and second ventilation channels are arc-shaped channels, and the ends of the first and second ventilation channels facing the sealed part are opposite to each other.

[0015] In an optional embodiment, the first air vent, the second air vent, and the third air vent are at the same height;

[0016] The arc length of the first air vent along the circumference is greater than the arc length of the second air vent along the circumference, and the arc length of the second air vent along the circumference is greater than or equal to the arc length of the third air vent along the circumference.

[0017] In an optional embodiment, the grid frame includes: a plurality of grid columns spaced apart, with an air inlet formed between two adjacent grid columns;

[0018] Multiple switching columns are configured to correspond to multiple air inlets; each switching column is located behind each air inlet.

[0019] The switching column rotates to make the first air outlet face the air inlet, while the second and third air outlets are separated from the air inlet by the switching column.

[0020] or

[0021] The switching column rotates to make the second air inlet face the air inlet, while the first air inlet and the third air inlet are separated from the air inlet by the switching column.

[0022] or

[0023] The switching column rotates to make the third air outlet face the air inlet, while the first and second air outlets are separated from the air inlet by the switching column.

[0024] or

[0025] The switching column rotates to align the sealed section with the air inlet and block the air inlet.

[0026] In an optional embodiment, the driving structure includes: a driving element;

[0027] A transmission assembly connects a drive component and multiple switching posts; the multiple switching posts rotate through the transmission assembly.

[0028] In an optional embodiment, the transmission assembly includes a drive pulley connected to the drive member.

[0029] Multiple driven pulleys are connected to multiple switching columns respectively;

[0030] A timing belt is fitted onto a driving pulley and multiple driven pulleys.

[0031] In an optional embodiment, the transmission assembly further includes: a plurality of tensioning pulleys located between adjacent driven pulleys and disposed opposite to the driven pulleys;

[0032] The synchronous belt changes direction by being sleeved on the tension pulley and then connects to the two adjacent tension pulleys respectively.

[0033] In an optional embodiment,

[0034] The position detection component includes: a detector, which is electrically connected to a controller in the vehicle body;

[0035] Multiple positioning components are fixedly connected to the switching column and are respectively set to correspond to the positions of the first air outlet, the second air outlet, the third air outlet, and the sealed part;

[0036] When the switching column rotates, it sends a detection signal so that the positioning element is aligned with the detector position, thereby the controller identifies the rotation position of the switching column based on the detection signal.

[0037] On the other hand, this application also proposes a vehicle, including a vehicle body and a multi-channel switching air intake grille as described above.

[0038] Thirdly, this application also proposes a control method for a multi-channel switching air intake grille, wherein the control method for the multi-channel switching air intake grille as described above includes the following steps:

[0039] Receive air intake adjustment command, wherein the adjustment command is generated according to vehicle speed, engine heat generation, or manual signal sent by operation button;

[0040] According to the adjustment command, the drive structure is controlled to drive multiple switching columns to rotate synchronously to preset positions. The preset positions include: the position where the first air vent connects to the air inlet, the position where the second air vent connects to the air inlet, the position where the third air vent connects to the air inlet, or the position where the air inlet is blocked by the sealed part.

[0041] The beneficial effects of the multi-channel switching air intake grille, vehicle, and control method provided in this application are at least as follows: By setting multiple switching columns in the grille frame, these columns rotate synchronously under the drive of a drive structure, rotating to different positions to align with the air intakes on the grille frame, thereby achieving different air intake states. Different air intake states result in different air intake volumes; therefore, different air intake volumes of the air intake grille can be achieved by controlling the rotation position of the switching columns. The air intakes of the air intake grille can be completely opened or completely closed, and the air intake volume of the air intakes can be changed at other rotation positions. During medium-speed vehicle operation, the air intake volume of the air intakes can be controlled, thereby reducing wind resistance while still cooling the engine, thus making the vehicle more convenient to use. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0043] Figure 1 A frontal view structural schematic diagram of the main structure of a multi-channel switching air intake grille provided in an embodiment of this application;

[0044] Figure 2 A rear view structural schematic diagram of the main structure of a multi-channel switching air intake grille provided in an embodiment of this application;

[0045] Figure 3 A bottom view structural schematic diagram of the main structure of a multi-channel switching air intake grille provided in an embodiment of this application;

[0046] Figure 4 A cross-sectional view of the main structure of a multi-channel switching air intake grille provided in an embodiment of this application;

[0047] Figure 5 The following is a state diagram of a multi-channel switching air intake grille with each air inlet connected to the air inlet, provided for an embodiment of this application. Figure a shows the first air inlet connected to the air inlet, Figure b shows the third air inlet connected to the air inlet, Figure c shows the second air inlet connected to the air inlet, and Figure d shows the air inlet blocked by a sealing part.

[0048] Figure 6 This is a sectional view of a multi-channel switching air intake grille provided in an embodiment of this application.

[0049] The following are the labeling elements in the figure:

[0050] 100. Grid frame; 110. Grid column; 111. Butt joint arc surface; 112. Air guide arc surface; 120. Air inlet; 200. Switching column; 210. First air outlet; 211. First ventilation channel; 220. Second air outlet; 221. Second ventilation channel; 230. Third air outlet; 240. Sealed section; 300. Drive structure; 310. Drive component; 311. Drive motor; 312. Reducer; 320. Transmission assembly; 321. Drive pulley; 322. Driven pulley; 323. Synchronous belt; 324. Tensioner; 400. Position detection assembly; 410. Detector; 420. Positioning component; 421. Metal boss. Detailed Implementation

[0051] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0052] It should be noted that when a component is referred to as "fixed to" or "set on" another component, it may be directly or indirectly located on that other component. When a component is referred to as "connected to" another component, it may be directly or indirectly connected to that other component. The terms "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate orientations or positions based on the accompanying drawings, and are for ease of description only, and should not be construed as limiting the technical solution. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. "A plurality" means two or more, unless otherwise explicitly defined.

[0053] Example 1

[0054] Please see Figure 1 , Figure 2 This embodiment proposes a multi-channel switching air intake grille. Multi-channel switching air intake grilles are typically located at the front of the vehicle body and serve as an air intake structure to cool the engine inside the vehicle body. For ease of structural description, the side where the air intake grille is located is considered the front, and the side where the vehicle body is located is considered the rear. All structures in this multi-channel switching air intake grille are described based on this direction. The left-right direction of the vehicle body is the left-right direction in this structural description.

[0055] Please see Figure 1 , Figure 2 , Figure 4The multi-channel switching air intake grille of this embodiment mainly includes: a grille frame 100, multiple switching columns 200, a drive structure 300, and a position detection component 400. An air inlet 120 is provided on the grille frame 100, which is mainly used for air intake, allowing external air to enter the rear of the grille frame 100 from the front through the air inlet 120. Multiple switching columns 200 are disposed on the grille frame 100 and located at the rear end of the air inlet 120. The multiple switching columns 200 are arranged side-by-side at intervals in the left-right direction. Each switching column 200 has at least a first air vent 210, a second air vent 220 connected to the first air vent 210, and a third air vent 230 connected to the first air vent 210 on its outer wall. This embodiment uses three air vents as an example for structural description; it is easy to imagine that more air vent structures can be used to achieve more levels of air intake volume adjustment. The air outlet area of ​​the first air vent 210 is larger than that of the second air vent 220. The air outlet area of ​​the second air vent 220 is greater than or equal to that of the third air vent 230. The air intake volumes of the first air vent 210, second air vent 220, and third air vent 230 are designed differently, thus achieving different speed settings through rotation. The first air vent 210, second air vent 220, and third air vent 230 are distributed at intervals along the circumference. The outer wall area of ​​the switching column 200 located between the second air vent 220 and the third air vent 230 forms a sealed section 240. The drive structure 300 drives multiple switching columns 200. The switching columns 200 rotate synchronously under the drive of the drive structure 300, so that the first air vent 210 connects to the air inlet 120, the second air vent 220 connects to the air inlet 120, the third air vent 230 connects to the air inlet 120, or the sealed section 240 blocks the air inlet 120. By connecting the first air vent 210, the second air vent 220, the third air vent 230, or the sealed section 240 to the air inlet 120 respectively, different air intake volumes can be adjusted. The position detection component 400 is used to detect the rotation position of the switching column 200, thereby detecting whether the rotation position of the switching column 200 is in place, making the alignment positions of the first air vent 210, the second air vent 220, and the third air vent 230 with the air inlet 120 more accurate, and the control of the multi-channel switching air intake grille more precise.

[0056] Please see Figure 4 , Figure 5The working principle of the multi-channel switching air intake grille provided in this embodiment is as follows: By setting multiple switching columns 200 in the grille frame 100, the multiple switching columns 200 rotate synchronously under the drive of the drive structure 300, rotating to different positions to align with the air inlets 120 on the grille frame 100, thereby achieving different air intake states. Each switching column 200 has at least a first air inlet 210, a second air inlet 220 connected to the first air inlet 210, and a third air inlet 230 connected to the first air inlet 210 on its outer wall. Since the air outlet area of ​​the first air inlet 210 is larger than that of the second air inlet 220, and the air outlet area of ​​the second air inlet 220 is greater than or equal to that of the third air inlet 230, the air volume entering from the first air inlet 210, the second air inlet 220, or the third air inlet 230 is different. Since the first air vent 210, the second air vent 220, and the third air vent 230 are spaced apart along the circumference, a sealed portion 240 is formed on the outer wall region of the switching column 200 between the second air vent 220 and the third air vent 230; therefore, the switching column 200 is rotated and stopped at different positions by driving the switching column 200 through the driving structure 300. Figure 5 As shown in Figure a, when the first air vent 210 is directly opposite the air inlet 120, the first air vent 210 is connected to the air inlet 120. At this time, the air intake volume is at its maximum. The air enters from the first air vent 210 and flows out from the second and third air vents 230 into the vehicle body, thereby cooling the engine. Figure 5 As shown in Figure C, when the rotation aligns the second air vent 220 with and connects to the air inlet 120, the air intake volume is at its second highest. Air enters through the second air vent 220 and flows out through the first air vent 210 into the vehicle body. Figure 5 As shown in Figure b, when the rotation aligns the third air vent 230 with and connects to the air inlet 120, the air intake volume is at its third highest. Air enters through the third air vent 230 and flows out through the first air vent 210 into the vehicle body. Figure 5 As shown in Figure d, when the sealing part 240 is rotated so that it faces the air inlet 120, the outer wall area of ​​the switching column 200 blocks the air inlet 120, thereby closing the air inlet 120. Therefore, different air intake volumes are achieved under different air intake conditions, and different air intake volumes of the air intake grille are realized by controlling the rotation position of the switching column 200. The air inlet 120 can be completely opened or completely closed, and the air intake volume of the air inlet 120 can be controlled during medium-speed vehicle operation, thereby reducing wind resistance while still cooling the engine, making vehicle use more convenient.

[0057] Please see Figure 1 , Figure 4Furthermore, in this embodiment, the switching column 200 is a switching cylinder, which facilitates its rotation. The first air vent 210, the second air vent 220, and the third air vent 230 are distributed on the outer wall of the switching cylinder. Since the entire circumferential shape of the switching cylinder is the same, the air vents can be evenly distributed on the outer circumferential wall of the cylinder, and by rotating by the same angle, each air vent can be switched to connect with the air inlet 120, making it easier for the drive structure 300 to control the rotation of the switching column 200.

[0058] It is easy to imagine that the switching column 200 in this embodiment can also be a polygonal switching column 200, such as a triangular or hexagonal structure, with each air outlet located on a different side, and the switching function can also be achieved by rotation.

[0059] Please see Figure 4 , Figure 5 , Figure 6 Furthermore, the first air vent 210 and the second air vent 220 are connected inside the switching column 200, thus forming a first ventilation channel 211 between them. The first air vent 210 and the third air vent 230 are connected inside the switching column 200, thus forming a second ventilation channel 221 between them. The first ventilation channel 211 and the second ventilation channel 221 are connected at the position of the first air vent 210, but separate on the side opposite to the first air vent 210, thus forming a sealed portion 240 on the side of the switching column 200 opposite to the first air vent 210. Both the first ventilation channel 211 and the second ventilation channel 221 are arc-shaped channels, and the ends of the first ventilation channel 211 and the second ventilation channel 221 facing away from each other towards the sealed portion 240. When air enters the first air vent 210, it enters the vehicle body through the first ventilation channel 211 and the second ventilation channel 221 respectively. The first ventilation channel 211 and the second ventilation channel 221 work simultaneously, thereby increasing the air intake volume. This ensures that when the first air inlet 210 is intake, it is a full-volume intake state. The use of an arc-shaped channel not only provides sufficient area on the outer wall to form a sealed section 240, but also guides the intake air.

[0060] Please see Figure 1 , Figure 6Furthermore, in this embodiment, the first air vent 210, the second air vent 220, and the third air vent 230 all extend vertically, and their orthographic projections on the vertical plane are rectangular structures, with the area of ​​the orthographic projection of the air vents being the air outlet area; all three can have the same height. To make the dimensions of the first air vent 210, the second air vent 220, and the third air vent 230 different, the arc lengths of the air vents can be different. Therefore, in this embodiment, the circumferential arc length of the first air vent 210 is greater than that of the second air vent 220, and the circumferential arc length of the second air vent 220 is greater than or equal to that of the third air vent 230. The arc lengths of the second air vent 220 and the third air vent 230 can be set to be the same or different as needed. Using a rectangular air vent structure makes it easy to control the air intake volume and facilitates production and processing.

[0061] It is easy to imagine that the first air vent 210, the second air vent 220 and the third air vent 230 can also adopt other orthographic projection structures such as ellipse or polygon.

[0062] Please see Figure 1 , Figure 4 Furthermore, the grid frame 100 specifically includes multiple grid columns 110 spaced apart. The grid columns 110 extend vertically, forming air inlets 120 between adjacent grid columns 110. The multiple grid columns 110 are arranged side-by-side horizontally, thus forming multiple air inlets 120 on the grid frame 100. Multiple switching columns 200 are correspondingly arranged one-to-one with the multiple air inlets 120, with one switching column 200 positioned at the location of each air inlet 120. The switching columns 200 can be located behind the grid columns 110. Dividing the grid frame 100 into multiple air inlets 120 by the grid columns 110 not only increases the structural strength of the grid frame 100, but also allows the multiple air inlets 120 to work in conjunction with the switching columns 200, enabling more precise airflow control by the switching columns 200.

[0063] In this embodiment, each switching post 200 is located behind each air inlet 120. The switching post 200 is rotated to position relative to the air inlet 120 as follows: The switching post 200 rotates so that the first air inlet 210 faces the air inlet 120, while the second air inlet 220 and the third air inlet 230 are separated from the air inlet 120 by the switching post 200. Alternatively, the switching post 200 rotates so that the second air inlet 220 faces the air inlet 120, while the first air inlet 210 and the third air inlet 230 are separated from the air inlet 120 by the switching post 200. Or, the switching post 200 rotates so that the third air inlet 230 faces the air inlet 120, while the first air inlet 210 and the second air inlet 220 are separated from the air inlet 120 by the switching post 200. Alternatively, the switching column 200 can be rotated to make the sealing part 240 face the air inlet 120 and block the air inlet 120.

[0064] Please see Figure 1 , Figure 4 In this embodiment, the outer contours of two adjacent grid posts 110 are designed to match the switching post 200. Abutment arc surfaces 111 are respectively provided on the left and right sides of the rear of the grid post 110. The abutment arc surfaces 111 match the outer wall of the switching post 200, leaving only a small gap between them to prevent air leakage. Furthermore, a complete seal can be achieved between the abutment arc surfaces 111 and the switching post 200. A flexible pad is adhered and fixed to the surface of the abutment arc surfaces 111, placing the flexible pad between the abutment arc surfaces 111 and the outer wall of the switching post 200. The rotation of the switching post 200 compresses the flexible pad, allowing it to fill the gap between the abutment arc surfaces 111 and the surface of the switching post 200.

[0065] Please see Figure 1 , Figure 4 Wind-guiding arc surfaces 112 are provided on the left and right sides of the front part of the grid column 110, so that the left and right sides of the air inlet 120 form a conical air guide, which makes it easier for the air to be blown into the air inlet 120.

[0066] Please see Figure 2 , Figure 3 Furthermore, the drive structure 300 in this embodiment specifically includes a drive component 310 and a transmission assembly 320. The transmission assembly 320 connects the drive component 310 and multiple switching posts 200, which rotate through the transmission assembly 320. Specifically, the drive component 310 includes a drive motor 311 and a reducer 312. The drive motor 311 can be controlled by the vehicle's controller to achieve forward, reverse, and stop rotation. The drive motor 311 rotates at a relatively high speed, which is reduced by the reducer 312, thus slowing down the speed transmitted by the transmission assembly 320. For example, when the drive motor 311 rotates multiple revolutions, the corresponding transmission assembly 320 only drives the switching post 200 to rotate 1 / 4 revolution. The reducer 312 can be a worm gear reducer, so that when the drive motor 311 stops, the transmission assembly 320 locks, and the switching posts 200 will not rotate under external force. Therefore, even in strong winds, the switching posts 200 will not be pushed by the wind. Moreover, the rotation of the switching column 200 is less likely to cause positional deviation after deceleration, and the dwell position of the switching column 200 after rotation can be controlled very precisely.

[0067] Please see Figure 2 , Figure 3Furthermore, the transmission assembly 320 specifically includes: a driving pulley 321, multiple driven pulleys 322, and a synchronous belt 323. The driving pulley 321 is connected to the driving component 310, and the multiple driven pulleys 322 are respectively connected to multiple switching posts 200; the synchronous belt 323 is sleeved on the driving pulley 321 and the multiple driven pulleys 322. The synchronous belt 323 drives the multiple switching posts 200 to rotate synchronously. While achieving synchronous rotation of the multiple switching posts 200, the synchronous belt 323 also improves the rotation control accuracy of the switching posts 200, ensuring more accurate positioning of the switching posts 200.

[0068] It is easy to imagine that the transmission assembly 320 can also be driven by a gear set or a sprocket set.

[0069] Please see Figure 3 Furthermore, the transmission assembly 320 in this embodiment also includes: a plurality of tensioning pulleys 324, which are located between adjacent driven pulleys 322 and are arranged opposite to the driven pulleys 322. The synchronous belt 323 is sleeved on the tensioning pulleys 324 and changes direction before being connected to two adjacent tensioning pulleys 324 respectively. The tensioning pulleys 324 can tension the synchronous belt 323, making each driven pulley 322 more securely connected to a synchronous belt 323. During the transmission process, the synchronous belt 323 is less likely to fall off the driven pulleys 322, resulting in a smoother transmission process and enhancing the stability of the transmission assembly 320.

[0070] Please see Figure 1 , Figure 2 , Figure 6 Furthermore, in this embodiment, the position detection component 400 includes a detector 410 and a positioning element 420. The detector 410 can be a photoelectric sensor. The detector 410 is electrically connected to a controller in the vehicle body. The controller controls the drive element 310 based on the detection signal from the detector 410, thereby detecting the rotational position of the switching column 200 and positioning its stop position. Multiple positioning elements 420 can be provided, each fixedly connected to the switching column. For example, the multiple positioning elements can be multiple metal protrusions 421, with the positions of the multiple metal protrusions 421 corresponding to the first air vent 210, the second air vent 220, the third air vent 230, and the sealing part 240, respectively. When the switching column 200 rotates, the metal protrusions 421 face the detector 410 and are recognized by the detector 410. The controller can then determine the specific rotational position of the switching column 200 based on the detection signal.

[0071] Example 2

[0072] This embodiment proposes a vehicle, including a vehicle body and a multi-channel switching air intake grille as described above. The multi-channel switching air intake grille is located at the front of the vehicle body and can adjust the airflow entering the vehicle body.

[0073] Example 3

[0074] This embodiment proposes a control method for a multi-channel switching air intake grille, used for the multi-channel switching air intake grille as described in Embodiment 1 above. The executing entity of this control method can be the vehicle's domain controller, and includes the following steps:

[0075] Step S100: Receive the air intake volume adjustment command.

[0076] In practice, the multi-channel switching air intake grille can achieve both automatic and manual adjustment. In automatic adjustment mode, the vehicle's speed sensor detects the vehicle's current speed and calculates the current wind resistance. Based on this wind resistance, it determines whether the air intake volume of the grille needs adjustment. For example, if a predetermined threshold is reached, an adjustment command is issued. Additionally, in automatic adjustment mode, the vehicle's engine temperature sensor detects the current engine temperature and determines whether the air intake volume of the grille needs adjustment based on the current temperature. For example, if a predetermined threshold is reached, an adjustment command is issued.

[0077] Adjusting the air intake volume of a multi-channel switching air intake grille typically requires considering vehicle speed and engine temperature. Therefore, weights are assigned to vehicle speed and engine temperature respectively. After increasing the weights, a comprehensive calculation is performed to obtain the adjustment value. Based on the range of the adjustment value, the adjustment command is determined, and the switching column is controlled to rotate to the corresponding position.

[0078] In this embodiment, manual operation can also be realized. The user sends a manual signal by pressing the button, and the controller sends a corresponding adjustment command based on the manual signal and controls the switching column to rotate to the corresponding position.

[0079] Step S200: Control the drive structure according to the adjustment command, so that the drive structure drives multiple switching columns to rotate synchronously to preset positions, wherein the preset positions include: the position where the first air vent connects to the air inlet, the position where the second air vent connects to the air inlet, the position where the third air vent connects to the air inlet, or the position where the air inlet is blocked by the sealed part.

[0080] In summary, this application proposes a multi-channel switching air intake grille, a vehicle, and a control method. By setting multiple switching posts 200 on the grille frame 100, these posts rotate synchronously under the drive of the drive structure 300, rotating to different positions to align with the air intakes 120 on the grille frame 100, thereby achieving different air intake states. Different air intake states result in different air intake volumes. Therefore, by controlling the rotation position of the switching posts 200 to change the air intake volume of the air intake grille, not only can the air intakes 120 of the air intake grille be completely opened or closed, but the air intake volume of the air intakes 120 can also be changed during medium-speed vehicle operation. This reduces wind resistance while still allowing for engine cooling, thus making the vehicle more convenient to use.

[0081] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A multi-channel switching air intake grille, characterized in that, include: A grid frame, on which an air inlet is provided; Multiple switching columns are arranged side by side and rotated. Each switching column has at least a first air outlet, a second air outlet connected to the first air outlet, and a third air outlet connected to the first air outlet on its outer wall. The air outlet area of ​​the first air outlet is larger than the air outlet area of ​​the second air outlet, and the air outlet area of ​​the second air outlet is greater than or equal to the air outlet area of ​​the third air outlet. The first air outlet, the second air outlet, and the third air outlet are distributed at intervals along the circumferential direction. The outer wall area of ​​the switching column between the second air outlet and the third air outlet forms a sealed part. A drive structure is provided, wherein multiple switching columns are connected in a transmission manner, and the switching columns are rotated by the drive structure. as well as A position detection component is electrically connected to the drive structure and is used to detect the rotational position of the switching column so that the switching column is in different rotational positions and docks with the air inlet; wherein, in different rotational positions, the first air outlet is connected to the air inlet, the second air outlet is connected to the air inlet, the third air outlet is connected to the air inlet, or the sealing part blocks the air inlet.

2. The multi-channel switching air intake grille as described in claim 1, characterized in that, The switching column is a switching cylinder, and the first air vent, the second air vent, and the third air vent are distributed on the outer wall of the switching cylinder.

3. The multi-channel switching air intake grille as described in claim 2, characterized in that, A first ventilation channel is formed between the first air outlet and the second air outlet, and a second ventilation channel is formed between the first air outlet and the third air outlet; Both the first ventilation channel and the second ventilation channel are arc-shaped channels, and the ends of the first ventilation channel and the second ventilation channel facing the sealed part are opposite to each other. The first air vent, the second air vent, and the third air vent are at the same height; The arc length of the first air vent along the circumferential direction is greater than the arc length of the second air vent along the circumferential direction, and the arc length of the second air vent along the circumferential direction is greater than or equal to the arc length of the third air vent along the circumferential direction.

4. The multi-channel switching air intake grille as described in claim 1, characterized in that, The grid frame includes: a plurality of grid columns arranged at intervals, with an air inlet formed between two adjacent grid columns; Multiple switching columns are configured corresponding to multiple air inlets; wherein each switching column is located on the rear side of each air inlet; The switching column rotates to make the first air outlet face the air inlet, while the second air outlet and the third air outlet are separated from the air inlet by the switching column. or The switching column rotates to make the second air outlet face the air inlet, while the first air outlet and the third air outlet are separated from the air inlet by the switching column. or The switching column rotates to make the third air outlet face the air inlet, while the first air outlet and the second air outlet are separated from the air inlet by the switching column. or The switching column rotates to align the sealing section with the air inlet and block the air inlet.

5. The multi-channel switching air intake grille as described in claim 1, characterized in that, The driving structure includes: a driving component; A transmission assembly connects the drive element and the plurality of switching posts; the plurality of switching posts rotate through the transmission assembly.

6. The multi-channel switching air intake grille as described in claim 5, characterized in that, The transmission assembly includes a drive pulley connected to the drive component. Multiple driven pulleys are connected to multiple switching columns respectively; A timing belt is fitted onto the driving pulley and the plurality of driven pulleys.

7. The multi-channel switching air intake grille as described in claim 6, characterized in that, The transmission assembly further includes: a plurality of tensioning pulleys, wherein the tensioning pulleys are located between adjacent driven pulleys and are disposed opposite to the driven pulleys; The synchronous belt is rotated by being sleeved on the tensioning pulley and then connected to the two adjacent tensioning pulleys respectively.

8. The multi-channel switching air intake grille as described in any one of claims 1-7, characterized in that, The position detection component includes a detector, which is electrically connected to a controller in the vehicle body; Multiple positioning components are fixedly connected to the switching column and are respectively positioned corresponding to the positions of the first air vent, the second air vent, the third air vent, and the sealed part. When the switching column rotates so that the positioning element is aligned with the detector position, a detection signal is emitted, and the controller identifies the rotation position of the switching column based on the detection signal.

9. A vehicle, characterized in that, Includes the vehicle body and the multi-channel switching air intake grille as described in any one of claims 1-8.

10. A control method for a multi-channel switching air intake grille, characterized in that, For a multi-channel switching air intake grille as described in any one of claims 1-8, the control method includes the steps of: Receive air intake adjustment command, wherein the adjustment command is generated according to vehicle speed, engine heat generation, or manual signal sent by operation button; According to the adjustment command, the drive structure is controlled to drive multiple switching columns to rotate synchronously to preset positions. The preset positions include: the position where the first air vent connects to the air inlet, the position where the second air vent connects to the air inlet, the position where the third air vent connects to the air inlet, or the position where the air inlet is blocked by the sealed part.

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