Method for generating wave-shaped airflow track of automobile air outlet

Abstract

The invention discloses an automobile air outlet wave-shaped airflow track generation method which comprises the following steps: in an initial state, a secondary air guide blade is placed at an initial reference position, under the initial reference position, the air inlet amounts of two air outlet channels are consistent, a main air guide blade is placed in a vertical state, and the two air outlet channels conduct straight-through air outlet; in the operation state, the main air guide blade gradually swings leftwards or rightwards, and a plurality of intermittent positions for stopping swinging exist in the swinging process; under each intermittent position of the main air guide blade, the secondary air guide blade periodically swings upwards or downwards, and a reference position is formed in each swinging period; through mutual cooperation of vertical movement of the secondary air guide blades and horizontal movement of the main air guide blades, airflow is output according to a wavy track so as to cover the vertical direction and the horizontal direction; the invention relates to the technical field of automobile air outlets.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile air outlets, and more specifically to a method for generating a wavy airflow trajectory of an automobile air outlet. Background Art

[0002] Air vents are crucial components for regulating air circulation and temperature comfort within a vehicle. Traditional automotive air vents typically utilize a simple guide vane structure, with the airflow direction altered by manually adjusting the blade angle. However, this adjustment method has numerous limitations. First, the adjustable range of the air outlet angle is limited, making it difficult to meet the diverse airflow direction requirements of different passengers. Second, the concentrated airflow from traditional air vents can easily cause discomfort to passengers after prolonged exposure to the air, such as localized overcooling or overheating, as well as discomfort caused by the direct impact of the airflow.

[0003] With the increasing demand for automotive intelligence and comfort, existing automotive air vent technology is no longer able to meet market demands. For example, in new energy vehicles, the interior space layout is more compact, placing higher demands on the design and functionality of air vents, requiring them to save space while achieving more efficient and comfortable airflow regulation. Therefore, developing automotive air vent technology that can provide more uniform and comfortable airflow distribution and a larger air sweep range is particularly important. Summary of the Invention

[0004] To address the shortcomings and drawbacks of existing technologies, a method for generating wavy airflow trajectories for automotive air outlets is provided. This method addresses the limited adjustment range of air outlet angles, uneven airflow distribution, and inability to meet diverse needs associated with conventional automotive air outlets. This method enables the outlet to output air in a wavy trajectory, providing a more uniform and comfortable airflow distribution, reducing direct impact on the human body, and enhancing the user experience.

[0005] A method for generating a wavy airflow trajectory at an automobile air outlet, comprising:

[0006] The air outlet housing is provided with two air outlet channels, and the airflows output by the two air outlet channels intersect;

[0007] The secondary air guide blade is set between the air inlet ends of the two air outlet channels and can swing up and down to adjust the air outlet angle;

[0008] The main air flow blade is set in the air outlet channel and can swing left and right to adjust the air outlet angle;

[0009] The following steps are involved:

[0010] Initial state: Place the secondary air guide vane at the initial reference position. At the initial reference position, the air intake of the two air outlet channels is the same.

[0011] Place the main air guide vane in a vertical state, and the two air outlet channels conduct direct air outlet.

[0012] Operating state: The main air guide vane swings progressively to the left or right, and there are multiple intermittent positions where the swing stops during the swing.

[0013] At each intermittent position of the main air guide vane, the secondary air guide vane swings periodically upward or downward, and there is a reference position in each swing cycle.

[0014] Through the mutual cooperation of the vertical movement of the secondary air guide vane and the horizontal movement of the main air guide vane, the air flow is output along a wavy trajectory to cover the vertical and horizontal directions.

[0015] After adopting the above structure, a method for generating a wavy air flow trajectory of an automobile air outlet according to the present invention has the following advantages compared with the prior art:

[0016] The up and down swing of the secondary air guide vane can control the opening degree of the air inlet end of the air outlet channel, and thus control the air intake. When the air intakes of the two air outlet channels are the same, the two air flows intersect and are output at a preset angle.

[0017] When the air intake of one of the air outlet channels is less than that of the other air outlet channel, the two air flows intersect and tend to be output in the air flow direction of the air outlet channel with a larger air intake.

[0018] The first trajectory groove provided by the trajectory control component drives the main air guide vane to swing left and right through the first linkage member to adjust the left and right air outlet angles. The second trajectory groove provided drives the secondary air guide vane to swing up and down through the second linkage member to adjust the up and down air outlet angles.

[0019] After the main air guide vane adjusts to each angle and enters the intermittent position where the swing stops, at this time, the trajectory control component continues to rotate, which can drive the secondary air guide vane to swing upward and downward, and the air outlet direction can be adjusted up and down among multiple left and right air outlet angles.

[0020] Through the continuous rotation of the trajectory control component, the alternating swing of the main air guide vane and the secondary air guide vane is realized, so that the output air flow forms a wavy trajectory.

[0021] The wavy air outlet trajectory can cover a larger area in the vertical direction, and the air flow does not directly blow towards the user, but blows towards the user in a sweeping manner, reducing the direct impact on the human body and improving the use experience.

[0022] As an improvement of the present invention, the main guiding wind blade swings left or right with a cycle time of 0.2 s, and stays at the intermittent position for a cycle time of 0.5 s. The inclination angle of the main guiding wind blade increases by 5° in each swing cycle until the main guiding wind blade swings to the target angular position.

[0023] As an improvement of the present invention,

[0024] It includes a rotatable trajectory control component, and the trajectory control component is provided with a first trajectory groove, wherein the first trajectory groove is arranged along the axial variation path;

[0025] A first linkage member travels along the first trajectory groove and is linked with the main guiding wind blade.

[0026] When the trajectory control component rotates, the first trajectory groove controls the first linkage member to move horizontally to drive the main guiding wind blade to swing.

[0027] As an improvement of the present invention, the trajectory control component is provided with a second trajectory groove, and the second trajectory groove is arranged along the radial variation path.

[0028] The second trajectory groove is matched with a second linkage member. The second linkage member is arranged on a crank, and the crank is coaxially arranged with the rotating shaft of the secondary guiding wind blade.

[0029] When the trajectory control component rotates, the second linkage member travels along the second trajectory groove, and the crank drives the secondary guiding wind blade to swing up and down.

[0030] As an improvement of the present invention,

[0031] The first trajectory groove sequentially includes a variable diameter section a, a first intermittent section b, a variable diameter section c, a first intermittent section d, a variable diameter section e, a first intermittent section f, a variable diameter section g, and a first intermittent section h along the first direction;

[0032] In the initial state, the first linkage member is located in the variable diameter section a;

[0033] The second trajectory groove sequentially includes a second intermittent section aa, an adjustment section bb, a second intermittent section cc, an adjustment section dd, a second intermittent section ee, an adjustment section ff, a second intermittent section gg, and an adjustment section hh along the first direction;

[0034] The radial variation paths of the adjacent adjustment sections of the second trajectory groove are arranged in opposite trends;

[0035] In the initial state, the second linkage member is located in the second intermittent section aa. Description of the Drawings

[0036] Figure 1 is a schematic structural diagram of the present invention.

[0037] Figure 2 It is a schematic structural view of the present invention in a sectional state.

[0038] Figure 3 It is a schematic structural view of the main air guiding blade of the present invention when closing the air outlet passage.

[0039] Figure 4 It is a schematic structural view of the main air guiding blade and the secondary air guiding blade located on the left side of the air outlet housing of the present invention.

[0040] Figure 5 It is a schematic structural view of the transmission mechanism of the present invention.

[0041] Figure 6 It is a schematic structural view of the first track groove at the left side of the present invention, including its variable diameter section a, first intermittent section b, variable diameter section c, and first intermittent section d.

[0042] Figure 7 It is a schematic structural view of the first track groove at the left side of the present invention, including its first intermittent section d and variable diameter section e.

[0043] Figure 8 It is a schematic structural view of the first track groove at the left side of the present invention, including its variable diameter section e, first intermittent section f, and variable diameter section g.

[0044] Figure 9 It is a schematic structural view of the first track groove at the left side of the present invention, including its variable diameter section g and first intermittent section h.

[0045] Figure 10 It is a schematic structural view of the second track groove of the present invention.

[0046] Figure 11 It is a schematic view of the wavy air flow trajectory output by a single group of air outlet passages of the present invention.

[0047] Figure 12 It is a schematic view of the swing period of the main air guiding blade and the secondary air guiding blade of the present invention.

[0048] Figure 13 It is a schematic view of the application of the present invention to an automobile and its implementation

[0049] As shown in the figure: 1. Air outlet housing; 1.1 Air outlet passage; 2. Secondary air guiding blade; 2.1 Crank; 3. Main air guiding blade; 3.1 Driven gear; 4. Track control component; 4.1 Actuator; 5. First track groove; 6. Second track groove; 7. First linkage; 8. Second linkage; 9. Moving part; 10. Fork; 11. Transmission frame; 11.1 Driving gear. Detailed implementation mode

[0050] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0051] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 5 , and Figure 11 As shown, in Figure 2 , the airflow intersection path of the two air outlet channels 1.1 is represented by a red line, and in Figure 11 , the wavy airflow trajectory output by a single group of air outlet channels 1.1 is represented by a red line.

[0052] A method for generating a wavy airflow trajectory at an automotive air outlet, comprising:

[0053] An air outlet housing 1 is provided with two vertically separated air outlet channels 1.1, and the airflows output by the two air outlet channels 1.1 intersect;

[0054] A secondary air guiding vane 2 is disposed between the air inlet ends of the two air outlet channels 1.1 and can swing up and down. The up and down swing of the secondary air guiding vane 2 can control the opening degree of the air inlet ends of the air outlet channels 1.1, thereby controlling the air intake volume. When the air intake volumes of the two air outlet channels 1.1 are the same, the two airflows intersect and are output at a preset angle;

[0055] When the air intake volume of one of the air outlet channels 1.1 is less than that of the other air outlet channel 1.1, the two airflows intersect and tend to be output in the direction of the airflow output by the air outlet channel 1.1 with a larger air intake volume.

[0056] A main air guiding vane 3 is disposed in the air outlet channel 1.1 and can swing left and right to adjust the left and right air outlet angles;

[0057] S1. Initial state: The secondary air guiding vane 2 is placed at the initial reference position. In the initial reference position, the air intake volumes of the two air outlet channels 1.1 are the same,

[0058] The main air guiding vane 3 is in a vertical state, and the two air outlet channels 1.1 conduct direct air outlet;

[0059] S2. Operating state: The main air guiding vane 3 swings progressively to the left or right, and there are multiple intermittent positions where the swing stops during the swing process;

[0060] At each intermittent position of the main air guiding vane 3, the secondary air guiding vane 2 swings periodically upward or downward, and there is a reference position in each swing cycle;

[0061] Through the mutual cooperation of the vertical movement of the secondary air guiding vane 2 and the horizontal movement of the main air guiding vane 3, the airflow is output in a wavy trajectory to cover the vertical and horizontal directions.

[0062] Please refer to Figure 12 and Figure 13 As shown, in step S2, the main wind blade 3 swings left or right with a cycle time of 0.2 s and stays at the intermittent position with a cycle time of 0.5 s. In each swing cycle, the tilt angle of the main wind blade 3 increases by 5° until the main wind blade 3 swings to the target angular position.

[0063] The structural part of the present application: includes a rotatable trajectory control member 4, which is driven by an actuator 4.1 to rotate around an axis A. The trajectory control member 4 is provided with a first trajectory groove 5 around the axis A, and the first trajectory groove 5 is arranged along an axial variation path;

[0064] A first linkage member 7 travels along the first trajectory groove 5 and is linked with the main wind blade 3.

[0065] When the trajectory control member 4 rotates, the first trajectory groove 5 controls the first linkage member 7 to move laterally to drive the main wind blade 3 to swing.

[0066] The trajectory control member 4 is provided with a second trajectory groove 6 around the axis A. The second trajectory groove 6 has alternately arranged adjustment sections and second intermittent sections. Among them, the adjustment sections are arranged along a radial variation path, and the second intermittent sections have no radial variation path. Adjacent adjustment sections are arranged with opposite radial variation trends. The second trajectory groove 6 is arranged along a radial variation path.

[0067] The second trajectory groove 6 is engaged with a second linkage member 8. The second linkage member 8 is arranged on a crank 2.1, and the crank 2.1 is coaxially arranged with the rotating shaft of the secondary wind blade 2;

[0068] When the trajectory control member 4 rotates, the second linkage member 8 travels along the second trajectory groove 6, causing the crank 2.1 to drive the secondary wind blade 2 to swing up and down.

[0069] Specifically, the first trajectory groove 5 has alternately arranged variable diameter sections and first intermittent sections. Among them, the variable diameter sections are arranged along an axial variation path, and the first intermittent sections have no axial variation path.

[0070] The first trajectory groove 5 sequentially includes a variable diameter section a, a first intermittent section b, a variable diameter section c, a first intermittent section d, a variable diameter section e, a first intermittent section f, a variable diameter section g, and a first intermittent section h in the first direction;

[0071] The second trajectory groove 6 sequentially includes a second intermittent section aa, an adjustment section bb, a second intermittent section cc, an adjustment section dd, a second intermittent section ee, an adjustment section ff, a second intermittent section gg, and an adjustment section hh in the first direction.

[0072] The trajectory control component 4 rotates, and the stroke of the second linkage 8 in the second intermittent section matches the stroke of the first linkage 7 in the diameter-changing section. The second linkage 8 drives the secondary air guide vane 2 to be in the intermittent position where it stops swinging, and the first linkage 7 drives the main air guide vane 3 to swing left or right.

[0073] The stroke of the first linkage 7 in the first intermittent section matches the stroke of the second linkage 8 in the adjustment section. The first linkage 7 drives the main air guide vane 3 to be in the intermittent position where it stops swinging, and the second linkage 8 drives the main air guide vane 3 to swing up or down.

[0074] Through the continuous rotation of the trajectory control component 4, the alternating swinging of the main air guide vane 3 and the secondary air guide vane 2 is realized, so that the output air flow forms a wavy trajectory.

[0075] Specifically: In the initial position state, the first linkage 7 is at the head end of the diameter-changing section a and drives the main air guide vane 33 to swing to a position where the air outlet channel 1.1 is closed. The trajectory control component 4 rotates along the second direction, and the main air guide vane 33 swings forward and has a position where the air outlet channel 1.1 is opened.

[0076] After the above improvement, the head end of the diameter-changing section a is used as the starting point of the first trajectory groove 5. If the first linkage 7 is at the head end of the diameter-changing section a, the main air guide vane 3 at this time swings in the swinging direction (to the right) that closes the air outlet channel 1.1 to a position where the air outlet channel 1.1 is closed.

[0077] Furthermore, if the trajectory control component 4 rotates along the second direction, the first linkage 7 travels along the diameter-changing section a, the first intermittent section b, the diameter-changing section c, the first intermittent section d, the diameter-changing section e, the first intermittent section f, the diameter-changing section g, and the first intermittent section h in sequence. The main air guide vane 3 swings in the swinging direction (to the left) that opens the air outlet channel 1.1. In this application, using the diameter-changing section a to drive the first linkage 7 to have a position where the air outlet channel 1.1 is closed can seal the air outlet channel 1.1, prevent the output of air flow, and also prevent external sundries from entering the air outlet channel 1.1.

[0078] Please refer to Figure 4 、 Figures 6 - 11 as shown in

[0079] In the initial position state, the second linkage 8 is located at the head end of the second intermittent segment aa, and drives the secondary air guide blade 2 to be in the reference position state. When the secondary air guide blade 2 is in the reference position state, the air intake volume at the air inlet end of the two air outlet channels 1.1 is consistent, the trajectory control component 4 rotates along the second direction, and the second linkage 8 moves along the second intermittent segment aa, adjustment segment bb, second intermittent segment cc, adjustment segment dd, second intermittent segment ee, adjustment segment ff, second intermittent segment gg, and adjustment segment hh in sequence, driving the secondary air guide blade 2 to swing upward or downward alternately.

[0080] The second intermittent segment aa matches the stroke of the variable diameter segment a, the adjustment segment bb matches the stroke of the first intermittent segment b, the second intermittent segment cc matches the stroke of the variable diameter segment c, the adjustment segment dd matches the stroke of the first intermittent segment d, the second intermittent segment ee matches the stroke of the variable diameter segment e, the adjustment segment ff matches the stroke of the first intermittent segment f, the second intermittent segment gg matches the stroke of the variable diameter segment g, and the adjustment segment hh matches the stroke of the variable diameter segment h.

[0081] In the present application, the continuous rotation of the trajectory control component 4 can be a reciprocating rotation along the first direction and the second direction, which can make the first linkage 7 travel along a specific stroke segment of the first trajectory groove 5, and make the second linkage 8 travel along a specific stroke segment of the second trajectory groove 6. The stroke segment can be composed of multiple alternating variable diameter segments, first intermittent segments, and multiple alternating adjustment segments, second intermittent segments, thereby outputting a wavy trajectory airflow that circulates back and forth in a specific area.

[0082] Compared with the conventional air outlet which uses two actuators 4.1 to respectively drive the main air guide blade 3 and the secondary air guide blade 2 to swing and adjust the left and right wind direction and the up and down wind direction, this device only uses one actuator 4.1 to achieve left and right wind direction adjustment and the up and down wind direction adjustment, which greatly reduces the cost.

[0083] See also Figure 3 、 Figure 4 ,as well as Figure 5 As shown:

[0084] The first track groove 5 is provided on the circumference of the track control component 4 . The first linkage member 7 moves left and right when traveling in the first track groove 5 , and drives the main wind blade 3 to swing left and right through the transmission mechanism during the movement.

[0085] The first track groove 5 is designed as a groove structure and is provided on the peripheral surface of the track control component 4, so that the axial diameter reduction processing can be performed more directly and simply.

[0086] The second track groove 6 is a groove structure and is arranged on the axial end face of the track control component 4. It is distributed on a different surface of the track control component 4 from the first track groove 5, with a reasonable structural layout, and can perform radial diameter-changing processing more directly and simply.

[0087] The rotating shaft of the secondary air guiding vane 2 is arranged parallel to the axis A of the track control component 4. By setting the crank 2.1 pin to travel along the second track groove 6, the crank 2.1 is driven to rotate, and then the secondary air guiding vane 2 is driven to swing up and down. Compared with the traditional transmission structures using connecting rods or multi-stage gears, the present application has the characteristics of simple structure, few components, low cost, and stable and reliable operation.

[0088] In addition, the combination of the groove structure and the pin is tight, and the main air guiding vane 3 and the secondary air guiding vane 2 can be accurately controlled to swing according to the preset rules.

[0089] Please refer to Figure 4 、 Figure 5 as shown in:

[0090] Specifically, the transmission mechanism includes a moving part 9, a fork 10, and a transmission frame 11. The first linkage 7 is arranged on the moving part 9. The moving part 9 is guided by a guiding structure arranged on the air outlet housing 1 to perform left and right translation. After the moving part 9 is connected to the first linkage 7, the first linkage 7 can also be guided and only perform left and right translation under the driving action of the first track groove 5.

[0091] The fork 10 is arranged on the moving part 9. The transmission frame 11 is located between the two air outlet channels 1.1, and the tail end of the transmission frame 11 is rotatably connected to the air outlet housing 1, and the front end is in transmission connection with the fork 10. When the moving part 9 performs left and right translation, the transmission frame 11 is driven to perform left and right rotation through the fork 10.

[0092] Active gears 11.1 are respectively arranged at the upper end and the lower end of the transmission frame 11. Among them, the upper active gear 11.1 is meshed and connected with the driven gear 3.1 at the lower end of the central shaft of the main air guiding vane 3 in the upper air outlet channel 1.1, and the lower active gear 11.1 is meshed and connected with the driven gear 3.1 at the upper end of the central shaft of the main air guiding vane 3 in the lower air outlet channel 1.1.

[0093] The above-mentioned transmission mechanism sequentially converts the left and right translation of the first linkage 7 into the left and right translation of the moving part 9, the left and right translation of the fork 10, and the left and right rotation of the transmission frame 11, and finally realizes the left and right swing of the main air guiding vane 33 through the gear transmission structure.

[0094] The separate control of the main air guiding vanes 3 in the two air outlet channels 1.1 is realized, and the swing angle and speed of the main air guiding vanes 3 can be accurately controlled. The structure is further optimized, the structure is simpler, and the cost is further reduced.

[0095] Please refer to Figure 2 、 Figure 3 、and Figure 5 as shown in

[0096] There are multiple numbers of the main air guiding vanes 3 in each air outlet channel 1.1, and they are arranged at intervals in the left-right direction of the air outlet channel 1.1. The multiple main air guiding vanes 3 are arranged to be interlocked with each other by connecting rods. A driven gear 3.1 is arranged on the central axis of one of the main air guiding vanes 3.

[0097] Multiple main air guiding vanes 3 connected by connecting rods are respectively arranged in each air outlet channel 1.1, and a driven gear 3.1 is only arranged on the central axis of one of the main air guiding vanes 3. By meshing the driven gear 3.1 with the driving gear 11.1, the overall movement of the multiple main air guiding vanes 3 is realized, further simplifying the structure and making the device more compact;

[0098] In addition, the multiple main air guiding vanes 3 swing synchronously (with the same swing angle), resulting in a consistent air flow guiding effect and reducing turbulence.

[0099] Please refer to Figure 1 、 Figure 2 、and Figure 3 as shown in

[0100] The air outlet housing 1 is provided with two groups of air outlet channels 1.1 that are symmetrically arranged left and right. Each of the two groups of air outlet channels 1.1 is provided with main air guiding vanes 3, and secondary air guiding vanes 2 are respectively arranged between the air inlet ends of the two groups of air outlet channels 1.1;

[0101] The main air guiding vanes 3 and the secondary air guiding vanes 2 that cooperate with the two groups of air outlet channels 1.1 are driven by independent trajectory control components 4;

[0102] The two trajectory control components 4 are coaxially arranged, and the first trajectory grooves 5 of the two trajectory control components 4 are arranged in a left-right symmetrical structure, and the second trajectory grooves 6 of the two trajectory control components 4 are arranged in a parallel structure.

[0103] Among them, for the trajectory control component 4 at the left position, along the first direction, its variable diameter section is arranged to have a decreasing diameter to the left. The swing direction of the interlocked main air guiding vane 3 to close the air outlet channel 1.1 is a right swing, and the swing direction to open the air outlet channel 1.1 is a left swing.

[0104] For the trajectory control component 4 at the right position, along the first direction, its variable diameter section is arranged to have a decreasing diameter to the right. The swing direction of the interlocked main air guiding vane 3 to close the air outlet channel 1.1 is a left swing, and the swing direction to open the air outlet channel 1.1 is a right swing.

[0105] The two trajectory control components 4 rotate synchronously.

[0106] The main air guide vanes 3 of the two groups of air outlet channels 1.1 swing symmetrically inwards or outwards to have a direct blowing air outlet state, a concentrated air outlet state, and a diffused air outlet state.

[0107] After the above improvement, when the two groups of main air guide vanes 3 swing to tilt towards the left and right sides, the air outlet area can be expanded for diffused air outlet;

[0108] When the two groups of main air guide vanes 3 swing to tilt towards the middle position of the air outlet housing 1, the air can be concentrated to obtain a concentrated air outlet state;

[0109] When the two groups of main air guide vanes 3 swing to be parallel to each other, the air can be blown directly.

[0110] The trajectory control component 4 is arranged on the outer side of the air outlet housing 1, and a mounting bracket is arranged on the outer side of the air outlet housing 1 for assembling the actuator 4.1.

[0111] Arranging the trajectory control component 4 on the outer side of the air outlet housing 1 and matching with the outer mounting bracket to assemble the actuator 4.1 facilitates installation, debugging, and maintenance, and does not occupy the limited space inside the air outlet housing 1, which is beneficial to the optimized layout of the internal air duct structure and other components, and improves the rationality and compactness of the overall air outlet structure.

[0112] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A method for generating a wavy air flow trajectory at an automotive air outlet, comprising: An air outlet housing (1) is provided with two air outlet channels (1.1), and the air flows output from the two air outlet channels (1.1) intersect; A secondary air guiding vane (2) is arranged between the air inlet ends of the two air outlet channels (1.1) in a swingable up and down manner for adjusting the up and down air outlet angles; A main air guiding vane (3) is arranged in the air outlet channel (1.1) and can swing left and right for adjusting the left and right air outlet angles; It is characterized in that it includes the following steps: S1. Initial state: Place the secondary air guiding vane (2) at the initial reference position. Under the initial reference position, the air intake amounts of the two air outlet channels (1.1) are the same. The main air guiding vane (3) is placed in a vertical state, and the two air outlet channels (1.1) conduct direct air outlet; S2. Operating state: The main air guiding vane (3) swings progressively to the left or right, and there are multiple intermittent positions where the swing stops during the swing process; Under each intermittent position of the main air guiding vane (3), the secondary air guiding vane (2) swings periodically up or down, and there is a reference position in each swing period; Through the mutual cooperation of the vertical movement of the secondary air guiding vane (2) and the horizontal movement of the main air guiding vane (3), the air flow is output along a wavy trajectory to cover the vertical and horizontal directions.

2. The method for generating a wavy air flow trajectory at an automotive air outlet according to claim 1, characterized in that: In step S2, the main air guiding vane (3) swings to the left or right with a cycle time of 0.2 s and stays at the intermittent position with a cycle time of 0.5 s. In each swing cycle, the inclination angle of the main air guiding vane (3) increases by 5° until the main air guiding vane (3) swings to the target angle position.

3. The method for generating a wavy air flow trajectory at an automotive air outlet according to claim 2, characterized in that: It includes a rotatable trajectory control component (4), and the trajectory control component (4) is provided with a first trajectory groove (5), wherein the first trajectory groove (5) is arranged along an axial variation path; A first linkage member (7) travels along the first trajectory groove (5) and is linked with the main air guiding vane (3). When the trajectory control component (4) rotates, the first trajectory groove (5) controls the first linkage member (7) to move horizontally to drive the main air guiding vane (3) to swing.

4. A method for generating a wavy air flow trajectory at an automotive air outlet according to claim 3, characterized in that: The trajectory control component (4) is provided with a second trajectory groove (6), and the second trajectory groove (6) is arranged along a radial variation path. The second trajectory groove (6) cooperates with a second linkage member (8), and the second linkage member (8) is arranged on a crank (2.1), and the crank (2.1) is coaxially arranged with the rotating shaft of the secondary air guiding vane (2); When the trajectory control component (4) rotates, the second linkage member (8) travels along the second trajectory groove (6) to cause the crank (2.1) to drive the secondary air guiding vane (2) to swing up and down.

5. The method for generating a wavy air flow trajectory at an automotive air outlet according to claim 4, characterized in that: The first track groove (5) sequentially includes a variable diameter section a, a first intermittent section b, a variable diameter section c, a first intermittent section d, a variable diameter section e, a first intermittent section f, a variable diameter section g, and a first intermittent section h along the first direction; In the initial state, the first linkage member (7) is located within the variable diameter section a; The second track groove (6) sequentially includes a second intermittent section aa, an adjustment section bb, a second intermittent section cc, an adjustment section dd, a second intermittent section ee, an adjustment section ff, a second intermittent section gg, and an adjustment section hh along the first direction; The adjacent adjustment sections of the second track groove (6) are arranged such that the trends of their radial change paths are opposite; In the initial state, the second linkage member (8) is located within the second intermittent section aa.

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