Outer rearview mirror base structure and control system thereof

Abstract

The utility model provides an exterior rear-view mirror base structure and a control system thereof, and relates to the technical field of rear-view mirror systems, the exterior rear-view mirror base structure comprises a triangular decoration plate and a turbulent flow assembly, the turbulent flow assembly comprises a plurality of fixed turbulent flow blocks and a plurality of movable turbulent flow blocks, the fixed turbulent flow blocks are fixedly arranged on the triangular decoration plate at intervals in the first direction, and the movable turbulent flow blocks are fixedly arranged on the triangular decoration plate at intervals in the second direction. A notch is formed between every two adjacent fixed turbulent flow blocks; the movable turbulent flow blocks are movably arranged on the triangular decoration plate and correspond to the notches in a one-to-one mode, the movable turbulent flow blocks can stretch out of the triangular decoration plate or the fixed turbulent flow blocks to occupy all or part of space of the corresponding notches, and the movable turbulent flow blocks can retract into the triangular decoration plate or the fixed turbulent flow blocks. According to the outside rear-view mirror base structure provided by the embodiment of the invention, the movable turbulence blocks can be moved to the set positions according to different vehicle window states, so that the airflow flowing through the triangular decoration plate is disturbed to different degrees, and the wind noise generated when a window is opened and closed is effectively reduced.

Description

Technical Field

[0001] This application relates to the field of rearview mirror system technology, specifically to an exterior rearview mirror base structure and its control system. Background Technology

[0002] Automobile noise can be mainly divided into two categories: noise generated by mechanical transmission and wind noise generated by the interaction of the car with the air during high-speed driving. The intensity of both types of noise is closely related to vehicle speed. At low speeds, the noise generated by the mechanical transmission inside the vehicle is more noticeable; while when the vehicle accelerates to higher speeds, wind noise becomes the main noise source. The causes of wind noise are complex and varied, with the design and position of the rearview mirrors having a particularly significant impact. Since rearview mirrors are usually located near the driver, the noise they generate directly reaches the driver's ears, affecting the driving experience. Therefore, reducing wind noise from rearview mirrors is crucial for improving customer driving comfort. Utility Model Content

[0003] This application provides an exterior rearview mirror base structure and its control system to reduce wind noise from the rearview mirror and improve the driving comfort of the customer.

[0004] In some embodiments, an exterior rearview mirror base structure is provided, including a triangular trim plate and a spoiler assembly. The spoiler assembly includes a plurality of fixed spoiler blocks and a plurality of movable spoiler blocks. Each of the fixed spoiler blocks is spaced apart along a first direction and fixedly disposed on the triangular trim plate, and a notch is formed between adjacent fixed spoiler blocks. Each of the movable spoiler blocks is movably disposed on the triangular trim plate and corresponds one-to-one with each of the notches. Each of the movable spoiler blocks can extend from the triangular trim plate or each of the fixed spoiler blocks to occupy all or part of the space of the corresponding notch, and each of the movable spoiler blocks can retract into the triangular trim plate or each of the fixed spoiler blocks.

[0005] In some embodiments, the exterior rearview mirror base structure further includes a first telescopic component, and each of the movable spoilers is connected by a connecting rod. The connecting rod is connected to the first telescopic component to drive each of the movable spoilers to move synchronously under the drive of the first telescopic component.

[0006] In some embodiments, each of the movable spoilers moves along a second direction, which is perpendicular to the plane of the triangular decorative plate. The triangular decorative plate is provided with a first receiving groove, and each of the movable spoilers can be stored in the first receiving groove under the drive of the first telescopic member.

[0007] Alternatively, each of the movable deflector blocks moves along a first direction, and each of the fixed deflector blocks is provided with a second receiving groove, so that each of the movable deflector blocks can be stored in the second receiving groove under the drive of the first telescopic component.

[0008] In some embodiments, the exterior rearview mirror base structure includes a plurality of second telescopic components, each of the second telescopic components corresponding one-to-one with the number of the movable spoilers and connected to them respectively, and each of the second telescopic components is used to drive the corresponding movable spoiler to move.

[0009] In some embodiments, the triangular trim includes a front end away from the rear of the vehicle and a rear end near the rear of the vehicle, with each of the fixed spoilers and each of the movable spoilers located at the rear end of the triangular trim.

[0010] In some embodiments, each of the fixed spoilers includes a fixed windward surface and a fixed leeward surface. The fixed windward surface is inclined to the triangular decorative plate and extends from the front end to the rear end of the triangular decorative plate. The fixed leeward surface is inclined to the triangular decorative plate and extends from the rear end to the front end of the triangular decorative plate. The angle between the fixed windward surface and the triangular decorative plate is smaller than the angle between the fixed leeward surface and the triangular decorative plate. Each of the movable spoilers includes a movable windward surface and a movable leeward surface. The movable windward surface is parallel to the fixed windward surface, and the movable leeward surface is parallel to the fixed leeward surface.

[0011] In some embodiments, the aerodynamic component includes a first fixed aerodynamic block, a second fixed aerodynamic block, a third fixed aerodynamic block, and a fourth fixed aerodynamic block arranged sequentially at intervals along a first direction. A first gap is formed between the first fixed aerodynamic block and the second fixed aerodynamic block, a second gap is formed between the second fixed aerodynamic block and the third fixed aerodynamic block, and a third gap is formed between the third fixed aerodynamic block and the fourth fixed aerodynamic block. The aerodynamic component also includes a first movable aerodynamic block, a second movable aerodynamic block, and a third movable aerodynamic block arranged sequentially at intervals along a first direction. The first movable aerodynamic block can occupy all or part of the space of the first gap, the second movable aerodynamic block can occupy all or part of the space of the second gap, and the third gap can occupy all or part of the space of the third gap.

[0012] In some embodiments, an exterior rearview mirror base structure control system is provided, including a control unit and the aforementioned exterior rearview mirror base structure, wherein the control unit is electrically connected to each of the movable spoilers, and the control unit controls the movement of each of the movable spoilers according to the window status;

[0013] When the windows are closed, the control unit controls each of the movable spoilers to move until each of the movable spoilers retracts into the triangular trim panel or each of the fixed spoilers;

[0014] When the car window is fully open, the control unit controls each of the active spoiler blocks to move and occupy the entire space of the corresponding gap so that the spoiler components can be assembled to form a complete spoiler strip.

[0015] In some embodiments, each of the movable spoilers includes a first telescopic component, and each of the movable spoilers is connected to each other by a connecting rod. The connecting rod is connected to the first telescopic component to drive each of the movable spoilers to move synchronously under the drive of the first telescopic component.

[0016] When the car window is closed, the control unit controls each of the movable spoilers to move synchronously and occupy part of the space of the corresponding gap or not occupy the space of each gap;

[0017] When the car window is fully open, the control unit controls each of the active spoiler blocks to move and occupy the entire space of the corresponding gap so that the spoiler components can be assembled to form a complete spoiler strip.

[0018] In some embodiments, each of the active spoilers includes a plurality of second telescopic components, each of the second telescopic components corresponding one-to-one with the number of each of the active spoilers and being connected to them respectively, and each of the second telescopic components is used to drive the corresponding active spoiler to move;

[0019] When the window is partially open, the control unit controls the movable spoiler block in the first area to move and occupy the entire space of the corresponding notch, and the control unit controls the movable spoiler block in the second area to move and retract into the triangular trim panel or each of the fixed spoiler blocks. The distance from the first area to the bottom of the vehicle is less than the distance from the second area to the bottom of the vehicle.

[0020] Beneficial effects:

[0021] The exterior rearview mirror base structure provided in this application embodiment can move each movable spoiler block to a set position according to different window states, thereby disturbing the airflow passing through the triangular trim plate to different degrees and effectively reducing wind noise when opening and closing the window.

[0022] When the windows are fully open, each active spoiler block moves to occupy the entire space of the corresponding opening, and the spoiler assembly forms a complete spoiler strip, guiding the airflow past the rear of the triangular trim panel to flow out of the car, thereby reducing the airflow entering the car through the windows and reducing wind noise at the source.

[0023] When the windows are closed, the movable spoilers retract into the triangular trim or fixed spoilers, creating a serrated, dispersed airflow strip that targets the rear of the triangular trim. This allows the airflow behind the trim to separate first, enabling it to adhere to the glass surface more quickly and reducing wind noise. The dispersed airflow strip also breaks down large eddies into smaller ones; the energy dissipation during eddy breaking further helps reduce wind noise levels. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying 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.

[0025] Figure 1 This is a schematic diagram of the exterior and rearview mirror base structure in some embodiments of this application when the window is open;

[0026] Figure 2 yes Figure 1 A schematic diagram of the exterior and rearview mirror base structure in the embodiment when the windows are closed;

[0027] Figure 3 yes Figure 1 Another structural diagram of the exterior and rearview mirror base structure in the embodiment when the windows are closed;

[0028] Figure 4 yes Figure 1 A schematic diagram illustrating the working principle of the exterior and rearview mirror base structure in the window-opening condition in the embodiment;

[0029] Figure 5 This is a schematic diagram showing the connection relationship between the first telescopic component and each movable spoiler block in some embodiments of this application;

[0030] Figure 6 This is a schematic diagram showing the connection relationship between the second telescopic component and each active disturbance in some embodiments of this application.

[0031] In the above attached figures:

[0032] 10. Triangular trim panel; 11. Front end; 12. Rear end

[0033] 20. Aerodynamic components;

[0034] 21. Fixed spoiler block; 211. First fixed spoiler block; 212. Second fixed spoiler block; 213. Third fixed spoiler block; 214. Fourth fixed spoiler block;

[0035] 22. Movable spoiler block; 221. First movable spoiler block; 222. Second movable spoiler block; 223. Third movable spoiler block;

[0036] 23. Gap; 231. First Gap; 232. Second Gap; 233. Third Gap;

[0037] 30. First telescopic component; 31. Connecting rod; 32. First receiving groove;

[0038] 40. Second telescopic component; 41. Second receiving groove. Detailed Implementation

[0039] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be particularly noted that the following embodiments are for illustrative purposes only and do not limit the scope of the application. Similarly, the following embodiments are only some, not all, embodiments of the present application, and all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of the present application.

[0040] Vehicles operate at high speeds with both windows open and closed. Current technologies employ passive noise reduction for the closed window situation, neglecting the discomfort caused by wind noise from open windows. When a car is traveling with windows open, the airflow from outside creates strong low-frequency pressure pulsations within the cabin at specific speeds, exhibiting significant peak characteristics in the frequency spectrum. This pressure pulsation causes a feeling of pressure on the eardrum, which can be unbearable in severe cases. Therefore, this application employs active noise cancellation technology. By identifying whether the vehicle's windows are open or closed, it targets specific airflow conditions to reduce noise during both scenarios.

[0041] Please see Figures 1 to 3 , Figure 1 This is a schematic diagram of the exterior and rearview mirror base structure in some embodiments of this application when the window is open. Figure 2 yes Figure 1 The schematic diagram of the exterior and rearview mirror base structure in the embodiment when the windows are closed is shown. Figure 3 yes Figure 1 Another structural diagram of the exterior and rearview mirror base structure in the embodiment when the windows are closed. Figure 2 In this diagram, the X direction represents the first direction, and the Y direction represents the second direction.

[0042] This application provides an exterior rearview mirror base structure, including a triangular trim plate 10 and a spoiler assembly 20. The spoiler assembly 20 includes a plurality of fixed spoiler blocks 21 and a plurality of movable spoiler blocks 22. Each fixed spoiler block 21 is spaced apart and fixedly disposed on the triangular trim plate 10 along a first direction, which is the height direction of the vehicle. A notch 23 is formed between adjacent fixed spoiler blocks 21. Each movable spoiler block 22 is movably disposed on the triangular trim plate 10 and corresponds one-to-one with each notch 23. Each movable spoiler block 22 can extend from the triangular trim plate 10 or each fixed spoiler block 21 to occupy all or part of the space of the corresponding notch 23, and each movable spoiler block 22 can retract into the triangular trim plate 10 or each fixed spoiler block 21.

[0043] The exterior rearview mirror base structure provided in this application embodiment can move each movable spoiler block 22 to a set position according to different window states, thereby disturbing the airflow passing through the triangular trim plate 10 to different degrees, effectively reducing wind noise when opening and closing the window.

[0044] In some embodiments, the triangular trim 10 includes a front end 11 away from the rear of the vehicle and a rear end 12 near the rear of the vehicle, with each fixed spoiler 21 and each movable spoiler 22 located at the rear end 12 of the triangular trim 10.

[0045] In this embodiment, when each movable spoiler 22 occupies the entire space of the corresponding notch 23, the distance between each movable spoiler 22 and each fixed spoiler 21 and the edge line of the triangular trim 10 near the rear of the vehicle is 5-20mm. Optionally, the distance between each movable spoiler 22 and each fixed spoiler 21 and the edge line of the triangular trim 10 near the rear of the vehicle is 10-15mm. The height by which each movable spoiler 22 and each fixed spoiler 21 protrudes from the surface of the triangular trim 10 is 5-10mm.

[0046] Please see Figure 1 and Figure 4 , Figure 4 yes Figure 1This embodiment illustrates the working principle of the exterior and rearview mirror base structure when the window is open. When the window is fully open, due to the significant speed difference between the high-speed airflow outside the vehicle and the relatively still air inside, an unstable shear layer forms at the leading edge of the open sunroof or side window. These shear layers move along the window with the airflow, gradually curling into vortices that extend from the leading edge to the trailing edge. These vortices undergo a series of dynamic processes, including formation, shedding, movement, impact, and breakup, ultimately partially intruding into the vehicle as pressure waves, which then react on the window edges. This process repeats itself, causing periodic pressure fluctuations inside the vehicle. Therefore, the airflow rushing into the vehicle when the window is open is the main cause of wind noise. In this embodiment, when the window is fully open, each movable spoiler block 22 can move to occupy the entire space of the corresponding notch 23. The spoiler assembly 20 then assembles into a complete spoiler strip, effectively turbulent the airflow passing through the rear end 12 (i.e., the front end 11 of the window) of the triangular trim 10, guiding the airflow towards the outside of the vehicle, thus reducing the amount of airflow entering the vehicle through the window. Less airflow means less energy during the exchange between the inside and outside of the vehicle, thereby reducing wind noise at the source. According to actual measurements, this is reduced by approximately 10 dB.

[0047] Please see Figure 3 When the windows are closed, the airflow velocity between the rearview mirror and the triangular area is extremely high. If the inner angle of the rearview mirror is large, the airflow may be directed out of the vehicle instead of flowing smoothly along the glass surface. This not only causes the airflow to directly impact the glass but also increases wind noise from the side windows. Therefore, the failure of the airflow around the rearview mirror to flow closely against the window glass when the windows are closed is a significant factor contributing to wind noise. In this design, when the windows are closed, the movable spoiler blocks 22 retract into the triangular trim 10 or the fixed spoiler block 21, thereby forming a serrated, dispersed spoiler strip by the spoiler assembly 20. This strip disperses the airflow at the rear end 12 of the triangular trim 10, allowing the airflow at the rear end 12 to separate first and then adhere to the glass surface more quickly, thus reducing wind noise. The dispersed spoiler strip also breaks down large eddies into smaller eddies; the breaking of eddies involves energy consumption, which helps to further reduce wind noise levels.

[0048] Please see Figure 2 In some embodiments, each fixed spoiler block 21 includes a fixed windward surface and a fixed leeward surface. The fixed windward surface is inclined to the triangular decorative plate 10 and extends from the front end 11 to the rear end 12 of the triangular decorative plate 10. The fixed leeward surface is inclined to the triangular decorative plate 10 and extends from the rear end 12 to the front end 11 of the triangular decorative plate 10. The angle between the fixed windward surface and the triangular decorative plate 10 is smaller than the angle between the fixed leeward surface and the triangular decorative plate 10. Each movable spoiler block 22 includes a movable windward surface and a movable leeward surface. The movable windward surface is parallel to the fixed windward surface, and the movable leeward surface is parallel to the fixed leeward surface.

[0049] In this embodiment, each fixed turbulence block 21 and each movable turbulence block 22 in the turbulence assembly 20 is a triangular prism. In other embodiments, the fixed turbulence block 21 and the movable turbulence block 22 may also be a quadrangular prism, a semi-circle, etc.

[0050] Please continue reading. Figure 2 In some embodiments, each fixed baffle block 21 includes a first fixed baffle block 211, a second fixed baffle block 212, a third fixed baffle block 213 and a fourth fixed baffle block 214 arranged sequentially from top to bottom along a first direction. A first gap 231 is formed between the first fixed baffle block 211 and the second fixed baffle block 212, a second gap 232 is formed between the second fixed baffle block 212 and the third fixed baffle block 213, and a third gap 233 is formed between the third fixed baffle block 213 and the fourth fixed baffle block 214.

[0051] Each movable spoiler block 22 includes a first movable spoiler block 221, a second movable spoiler block 222 and a third movable spoiler block 223 arranged sequentially from top to bottom along a first direction. The first movable spoiler block 221 can occupy all or part of the space of the first gap 231, the second movable spoiler block 222 can occupy all or part of the space of the second gap 232, and the third gap 233 can occupy all or part of the space of the third gap 233.

[0052] It is understood that the number of fixed spoilers 21 is not limited to four, and the number of movable spoilers 22 is not limited to three. For example, there can be five fixed spoilers 21 and four movable spoilers 22; or there can be six fixed spoilers 21 and five movable spoilers 22.

[0053] Please see Figure 5 , Figure 5 This is a schematic diagram showing the connection relationship between the first telescopic component 30 and each movable spoiler block 22 in some embodiments of this application. In some embodiments, each movable spoiler block 22 further includes the first telescopic component 30, and each movable spoiler block 22 is connected to each other through a connecting rod 31. The connecting rod 31 is connected to the first telescopic component 30 so as to drive each movable spoiler block 22 to move synchronously under the drive of the first telescopic component 30.

[0054] The first telescopic component 30 can be a linear drive mechanism, such as a micro telescopic pump or an electric push rod. The first telescopic component 30 is fixedly installed on the triangular decorative plate 10, and the moving end of the first telescopic component 30 is fixedly connected to the connecting rod 31.

[0055] Optionally, each movable spoiler block 22 moves along a second direction, which is perpendicular to the plane of the triangular trim plate 10. That is, the movable spoiler block 22 moves along the thickness direction of the triangular trim plate 10. The triangular trim plate 10 is provided with a first receiving groove 32, which is located on the side of the triangular trim plate 10 facing the spoiler assembly 20. Each movable spoiler block 22 can be housed in the first receiving groove 32 or extend out of the first receiving groove 32 to occupy the space of the corresponding notch 23 under the drive of the first telescopic member 30.

[0056] Please combine Figure 5 and Figure 6 , Figure 6 This is a schematic diagram showing the connection relationship between the second telescopic component 40 and each movable deflector in some embodiments of this application. Optionally, each movable deflector block 22 moves along a first direction, and each fixed deflector block 21 is provided with a second receiving groove 41. Each movable deflector block 22 can be housed in the second receiving groove 41 or extend out of the second receiving groove 41 to occupy the space of the corresponding notch 23 under the drive of the first telescopic component 30. It can be understood that each movable deflector block 22 can be housed in the adjacent lower fixed deflector block 21, or each movable deflector block 22 can be housed in the adjacent upper fixed deflector block 21, so that each movable deflector block 22 can be synchronously retracted into the second receiving groove 41 or synchronously extended out of the second receiving groove 41 under the drive of the first telescopic component 30.

[0057] In this embodiment, when the car window is closed, each movable spoiler block 22 can be controlled to move synchronously and occupy part of the space of the corresponding notch 23 or not occupy the space of the notch 23. That is to say, in this embodiment, the size of each notch 23 can be changed synchronously to generate different degrees of turbulence on the airflow for different vehicle speeds under different window closing states. When the car window is fully open, each movable spoiler block 22 can be controlled to move and occupy the entire space of the corresponding notch 23 so that the spoiler assembly 20 can be assembled to form a complete spoiler strip.

[0058] Please see Figure 6 In some embodiments, each movable spoiler block 22 includes a plurality of second telescopic components 40, each second telescopic component 40 corresponding to the number of each movable spoiler block 22 and connected to it respectively, and each second telescopic component 40 is used to drive the corresponding movable spoiler block 22 to move.

[0059] Each of the second telescopic components 40 can be a linear drive mechanism, such as a micro telescopic pump, an electric push rod, etc. Each of the second telescopic components 40 is fixedly installed on the triangular decorative plate 10, and the moving end of each second telescopic component 40 is fixedly connected to the corresponding movable spoiler block 22.

[0060] In this embodiment, each movable spoiler block 22 is individually driven to move by its corresponding second telescopic component 40. It can be understood that each movable spoiler block 22 can move along either the first or second direction. By individually controlling the movement of each movable spoiler block 22, the spoiler strip formed by the combination of each movable spoiler block 22 and each fixed spoiler block 21 becomes more flexible. For example, when the car window moves downwards to half-open, the airflow inside the car needs to be reduced for the upper half of the window; while for the lower half of the window, the airflow needs to flow close to the window to improve wind noise. Based on this, the upper movable spoiler block 22, such as the first movable spoiler block 221, can be moved to occupy the entire space of the corresponding notch 23, while the lower movable spoiler blocks 22, such as the second movable spoiler block 222 and the third movable spoiler block 223, can be stored in the triangular trim plate 10 or the second fixed spoiler block 212 to separate the airflow in advance.

[0061] In some embodiments, an exterior rearview mirror base structure control system is provided, including a control unit and the aforementioned exterior rearview mirror base structure. The control unit is electrically connected to each movable spoiler 22, and the control unit controls the movement of each movable spoiler 22 according to the window status.

[0062] When the windows are closed, the control unit controls each movable spoiler 22 to move until each movable spoiler 22 retracts into the triangular trim 10 or each fixed spoiler 21 so that the spoiler assembly 20 is assembled to form a dispersed spoiler strip; when the windows are fully open, the control unit controls each movable spoiler 22 to move and occupy the entire space of the corresponding notch 23 so that the spoiler assembly 20 is assembled to form a complete spoiler strip.

[0063] In some embodiments, each movable spoiler block 22 includes a first telescopic component 30, and each movable spoiler block 22 is connected to each other via a connecting rod 31. The connecting rod 31 is connected to the first telescopic component 30 so that each movable spoiler block 22 moves synchronously under the drive of the first telescopic component 30. When the window is closed, the control unit controls each movable spoiler block 22 to move synchronously and occupy part of the space of the corresponding notch 23 or not occupy the space of the notch 23. When the window is fully open, the control unit controls each movable spoiler block 22 to move and occupy the entire space of the corresponding notch 23 so that the spoiler assembly 20 is assembled to form a complete spoiler strip.

[0064] In some embodiments, each active spoiler block 22 includes a plurality of second telescopic components 40, each second telescopic component 40 corresponding to the number of each active spoiler block 22 and connected thereto, and each second telescopic component 40 is used to drive the corresponding active spoiler block 22 to move.

[0065] When the window is partially open, the control unit moves the movable spoiler 22 in the first area to occupy the entire space of the corresponding notch 23, and moves the movable spoiler 22 in the second area to retract into the triangular trim 10 or each fixed spoiler 21. The distance from the first area to the bottom of the vehicle is less than the distance from the second area to the bottom of the vehicle. It can be understood that the first and second areas can be divided according to the degree of window opening. The movable spoiler 22 and fixed spoiler 21 in the first area can affect the airflow towards the open window area, while the movable spoiler 22 and fixed spoiler 21 in the second area can affect the airflow towards the closed window area.

[0066] The terms "first," "second," and "third" used in the embodiments of this application are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of this application are only used to explain the relative positional relationships and movement of components in a specific posture (as shown in the figures). If the specific posture changes, the directional indication will also change accordingly. The terms "comprising" and "having," and any variations thereof, in the embodiments of this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or components inherent to these processes, methods, products, or devices.

[0067] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0068] The above description is only a part of the embodiments of this application and does not limit the scope of protection of this application. Any equivalent device or equivalent process transformation made based on the content of this application specification and drawings, or direct or indirect application in other related technical fields, are similarly included in the patent protection scope of this application.

Claims

1. A rearview mirror base structure, characterized in that, It includes a triangular decorative panel and a spoiler assembly, wherein the spoiler assembly comprises several fixed spoiler blocks and several movable spoiler blocks, wherein, Each of the fixed baffle blocks is spaced apart along the first direction and fixed to the triangular decorative plate, with a gap formed between adjacent fixed baffle blocks; Each of the movable spoilers is movably disposed on the triangular decorative plate and corresponds one-to-one with each of the notches. Each of the movable spoilers can extend from the triangular decorative plate or each of the fixed spoilers to occupy all or part of the space of the corresponding notch, and each of the movable spoilers can retract into the triangular decorative plate or each of the fixed spoilers.

2. The exterior rearview mirror base structure according to claim 1, characterized in that, The exterior rearview mirror base structure also includes a first telescopic component, and each of the movable spoilers is connected by a connecting rod. The connecting rod is connected to the first telescopic component so that each of the movable spoilers moves synchronously under the drive of the first telescopic component.

3. The exterior rearview mirror base structure according to claim 2, characterized in that, Each of the movable spoilers moves along a second direction, which is perpendicular to the plane of the triangular decorative plate. The triangular decorative plate is provided with a first receiving groove, and each of the movable spoilers can be stored in the first receiving groove under the drive of the first telescopic component. Alternatively, each of the movable deflector blocks moves along a first direction, and each of the fixed deflector blocks is provided with a second receiving groove, so that each of the movable deflector blocks can be stored in the second receiving groove under the drive of the first telescopic component.

4. The exterior rearview mirror base structure according to claim 1, characterized in that, The exterior rearview mirror base structure includes several second telescopic components, each of which corresponds to and is connected to the number of the movable spoilers. Each second telescopic component is used to drive the corresponding movable spoiler to move.

5. The exterior rearview mirror base structure according to any one of claims 1 to 4, characterized in that, The triangular trim panel includes a front end away from the rear of the vehicle and a rear end near the rear of the vehicle, with each of the fixed spoilers and each of the movable spoilers located at the rear end of the triangular trim panel.

6. The exterior rearview mirror base structure according to claim 5, characterized in that, Each of the fixed spoilers includes a fixed windward surface and a fixed leeward surface. The fixed windward surface is inclined to the triangular decorative plate and extends from the front end to the rear end of the triangular decorative plate. The fixed leeward surface is inclined to the triangular decorative plate and extends from the rear end to the front end of the triangular decorative plate. The angle between the fixed windward surface and the triangular decorative plate is smaller than the angle between the fixed leeward surface and the triangular decorative plate. Each of the aforementioned movable spoilers includes a movable windward surface and a movable leeward surface, wherein the movable windward surface is parallel to the fixed windward surface, and the movable leeward surface is parallel to the fixed leeward surface.

7. The exterior rearview mirror base structure according to claim 1, characterized in that, The turbulence-disrupting component includes a first fixed turbulence block, a second fixed turbulence block, a third fixed turbulence block, and a fourth fixed turbulence block arranged sequentially at intervals along a first direction. A first gap is formed between the first fixed turbulence block and the second fixed turbulence block, a second gap is formed between the second fixed turbulence block and the third fixed turbulence block, and a third gap is formed between the third fixed turbulence block and the fourth fixed turbulence block. The turbulence-disrupting component further includes a first movable turbulence-disrupting block, a second movable turbulence-disrupting block, and a third movable turbulence-disrupting block arranged sequentially at intervals along a first direction. The first movable turbulence-disrupting block can occupy all or part of the space of the first gap, the second movable turbulence-disrupting block can occupy all or part of the space of the second gap, and the third gap can occupy all or part of the space of the third gap.

8. A control system for an exterior rearview mirror base structure, characterized in that, Includes a control unit and an exterior rearview mirror base structure as described in any one of claims 1 to 7, wherein the control unit is electrically connected to each of the movable spoilers, and the control unit controls the movement of each of the movable spoilers according to the window status; When the windows are closed, the control unit controls each of the movable spoilers to move until each of the movable spoilers retracts into the triangular trim panel or each of the fixed spoilers; When the car window is fully open, the control unit controls each of the active spoiler blocks to move and occupy the entire space of the corresponding gap so that the spoiler components can be assembled to form a complete spoiler strip.

9. A control system for an exterior rearview mirror base structure according to claim 8, characterized in that, Each of the movable spoilers includes a first telescopic component, and each of the movable spoilers is connected to the other by a connecting rod. The connecting rod is connected to the first telescopic component so that each of the movable spoilers moves synchronously under the drive of the first telescopic component. When the car window is closed, the control unit controls each of the movable spoilers to move synchronously and occupy part of the space of the corresponding gap or not occupy the space of each gap; When the car window is fully open, the control unit controls each of the active spoiler blocks to move and occupy the entire space of the corresponding gap so that the spoiler components can be assembled to form a complete spoiler strip.

10. A control system for an exterior rearview mirror base structure according to claim 8, characterized in that, Each of the movable spoilers includes a plurality of second telescopic components, each of the second telescopic components corresponding one-to-one with the number of each of the movable spoilers and connected to them respectively, and each of the second telescopic components is used to drive the corresponding movable spoiler to move; When the window is partially open, the control unit controls the movable spoiler block in the first area to move and occupy the entire space of the corresponding notch, and the control unit controls the movable spoiler block in the second area to move and retract into the triangular trim panel or each of the fixed spoiler blocks. The distance from the first area to the bottom of the vehicle is less than the distance from the second area to the bottom of the vehicle.

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