Vehicle sunshade method

Abstract

The invention discloses a sun-shading method for a vehicle. The method comprises the steps that whether sun-shading is needed or not is judged according to illumination intensity; if the illumination intensity exceeds the preset intensity, it is judged that sun shading is needed, and the intersection point of the driver eye position and the sun position on the vehicle body is obtained according to the driver eye position, the sun position and the vehicle driving data; and if the intersection point is located on the front windshield of the vehicle, sunlight shielding is conducted on the intersection point. According to the scheme, when the illumination intensity reaches or exceeds the preset intensity and the intersection point of the position of the sun and the position of the eyes of the driver on the vehicle body is located on the front windshield of the vehicle, sunlight shielding is conducted at the intersection point, and light is weakened. According to the mode, the shading position is more accurate and variable, accurate shading can be conducted according to the actual light incidence position, accordingly, multi-angle and multi-position shading is achieved, the defect that shading cannot be achieved by a sun shield under some conditions is overcome, and driving safety is facilitated.

Description

Technical Field

[0001] The present application belongs to the technical field of vehicle sunshade, and specifically relates to a vehicle sunshade method. Background Art

[0002] The sunshade system of the front windshield of passenger cars and commercial vehicles currently uses a reversible sun visor for sunshade. The reversible sun visor has the following problems:

[0003] While the sun visor blocks the sunlight, it also blocks the driver's line of sight, affecting driving safety. For safety reasons, the sun visor generally cannot be made very large, so the range that the sun visor can block is limited. When the sun is in certain positions, or due to differences in the driver's height, driving sitting posture, etc., the sun visor cannot effectively block the sunlight, and the light will directly shine into the driver's eyes, seriously affecting the driving field of vision and affecting driving safety. Summary of the invention

[0004] The present application provides a vehicle sunshade method, which solves the problem that a flip-up sun visor cannot effectively block the sunlight at certain angles, causing the light to shine into the driver's eyes, seriously affecting the driving field of vision and affecting driving safety.

[0005] The technical solution adopted in this application is: a vehicle sunshade method, the method comprising:

[0006] Determine whether shading is needed based on light intensity;

[0007] If the light intensity exceeds the preset intensity, it is determined that sunshade is required, and the intersection of the driver's eye position and the sun position on the vehicle body is obtained according to the driver's eye position, the sun position and the vehicle driving data;

[0008] If the intersection point is located at the front windshield of the vehicle, the sunlight is shielded at the intersection point.

[0009] As a preferred embodiment, the vehicle is provided with a control system, the control system comprising:

[0010] A light sensor, wherein the light sensor is used to obtain the light intensity outside the vehicle;

[0011] A first camera assembly, wherein the first camera assembly is used to obtain the position of the sun;

[0012] a second camera assembly, the second camera assembly being used to capture the eye position of the driver in the vehicle;

[0013] A driving record component, which is used to obtain driving time, vehicle speed, and navigation route;

[0014] A sunshade processor, which obtains the intersection through information from the first camera component, the second camera component, and the driving record component and outputs a coordinate value of the intersection;

[0015] A controller, the controller being used to receive the coordinate value output by the sunshade processor;

[0016] An actuator is used to receive a control instruction issued by the controller to provide sunshade at the intersection.

[0017] As a preferred embodiment, a judgment module is included, and the judgment module is used to judge whether a first sunshade condition is met, wherein the first sunshade condition includes judging whether the light intensity is greater than a preset intensity according to the information of the light sensor, and if so, the first sunshade condition is met;

[0018] When the first shading condition is met, the judgment module judges whether the second shading condition is met, wherein the second shading condition includes judging whether the intersection is located at the front windshield of the vehicle according to the information of the shading processor, and if so, the second shading condition is met.

[0019] As a preferred embodiment, a coordinate system is established on the front windshield of the vehicle, and when the second sunshade condition is met, the sunshade processor obtains the position coordinates of the intersection on the front windshield of the vehicle.

[0020] As a preferred embodiment, the front windshield of the vehicle is provided with an electrochromic glass, and the method comprises: when the intersection is located at the front windshield of the vehicle, controlling the electrochromic glass to diffuse and change color around the coordinates of the intersection as the center according to the coordinate value of the intersection to form a sunshade circle.

[0021] As a preferred embodiment, the inner diameter r of the sunshade circle satisfies 5cm≤r≤8cm.

[0022] As a preferred embodiment, the vehicle front windshield is provided with a track and a sunshade moving along the track.

[0023] As a preferred embodiment, the track includes vertical tracks located on both sides of the front windshield of the vehicle and transverse tracks respectively connected to the two vertical tracks at both ends, the sunshade is slidably connected to the transverse tracks, and the ends of the transverse tracks are connected to a driving motor, and the driving motor drives the transverse tracks to reciprocate along the vertical tracks.

[0024] As a preferred embodiment, if the intersection is located at the front windshield of the vehicle, the drive motor is controlled to drive the transverse track to move along the vertical track to the corresponding height of the intersection, and the sunshade is controlled to move along the transverse track to the intersection.

[0025] As a preferred embodiment, the transverse track is made of transparent material, and the sunshade is made of low-brightness light-transmitting material.

[0026] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0027] (1) Through the sunshade method of this scheme, when the light intensity reaches or exceeds the preset intensity, and the intersection of the sun position and the driver's eye position on the vehicle body is located on the front windshield of the vehicle, the sun light is blocked at the intersection to weaken the light. When the intersection of the sun position and the driver's eye position on the vehicle body is not on the front windshield of the vehicle, there is no need to block the light. This method can block the sun's rays at any position on the front windshield of the vehicle. Compared with the vehicle sun visor in the prior art, its sunshade position is more accurate and variable, and it can accurately block light according to the actual light incident position, thereby achieving multi-angle and multi-position shading, avoiding the disadvantage that the sun visor cannot achieve shading in some cases, which is beneficial to driving safety.

[0028] On the other hand, when the intersection is located at the front windshield of the vehicle, sunlight is only blocked at the intersection to reduce the incident brightness and intensity of light and avoid affecting the driver's driving. This method has a smaller blocking range of light, which is conducive to reducing the impact on the driver's field of vision during driving, avoiding the inverted sunshade affecting the driving field of vision, and further improving driving safety.

[0029] (2) The sunshade method of this scheme is automatically operated by the control system, and the driver does not need to manually reverse the sun visor to block the light, which helps to improve the driving experience.

[0030] (3) The track and sunshade provided in this scheme adjust the lateral position of the sunshade on the front windshield of the vehicle by moving the sunshade on the lateral track, and drive the sunshade located on the lateral track to change its vertical position on the front windshield of the vehicle by moving the lateral track along the vertical track, thereby realizing multi-point positioning of the sunshade on the front windshield of the vehicle, so that the sunshade realizes corresponding changes in the shielding position as the intersection position changes.

[0031] (4) The electrochromic glass provided in this scheme directly forms a sunshade circle on the front windshield according to the intersection position, and diffuses the color with the intersection position as the center of the circle, thereby forming diffuse shading at the intersection. This method is conducive to reducing the structural setting, making the overall vehicle layout lighter, without redundant structure at the front windshield of the vehicle, with a better external appearance and a simpler structural layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0033] Figure 1 This is a schematic diagram of the structure of an electrochromic glass sunshade in one embodiment of the present invention;

[0034] Figure 2 It is a schematic structural diagram of a mechanical sunshade device in one embodiment of the present invention;

[0035] Figure 3 The vehicle shading flow chart in one embodiment of the present invention.

[0036] Description of reference numerals:

[0037] 1-vehicle front windshield, 2-lateral track, 3-vertical track, 4-sunshade, 5-sunshade circle, 6-driving motor, 7-electrochromic glass. DETAILED DESCRIPTION

[0038] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment may be combined with each other without conflict.

[0040] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0041] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0043] like Figures 1 to 3 As shown, the present application provides a vehicle sunshade method, the method comprising:

[0044] Determine whether shading is needed based on light intensity;

[0045] If the light intensity exceeds the preset intensity, it is determined that sunshade is needed, and the intersection of the driver's eye position and the sun position on the vehicle body is obtained according to the driver's eye position, the sun position and the vehicle driving data;

[0046] If the intersection point is located at the front windshield 1 of the vehicle, the sunlight is shielded at the intersection point.

[0047] By using the sunshade method of this solution, when the light intensity reaches or exceeds the preset intensity, and the intersection of the sun position and the driver's eye position on the vehicle body is located at the front windshield 1 of the vehicle, the sun light is shielded at the intersection position to weaken the light. When the intersection of the sun position and the driver's eye position on the vehicle body is not located at the front windshield 1 of the vehicle, there is no need to shield the sun light. This method can shield the sun light at any position of the front windshield 1 of the vehicle. Compared with the vehicle sun visor in the prior art, its sunshade position is more accurate and variable, and it can accurately shield the light according to the actual light incident position, thereby realizing multi-angle and multi-position shading, avoiding the disadvantage that the sun visor cannot achieve shading in some cases, which is beneficial to driving safety.

[0048] On the other hand, when the intersection is located at the front windshield 1 of the vehicle, sunlight is blocked only at the intersection to reduce the incident brightness and intensity of light and avoid affecting the driver's driving. This method has a smaller blocking range for light, which is beneficial to reduce the impact on the driver's field of vision during driving, avoid the inverted sunshade affecting the driving field of vision, and further improve driving safety.

[0049] In one embodiment, the vehicle is provided with a control system, the control system comprising:

[0050] Light sensor: The light sensor is used to obtain the light intensity outside the vehicle;

[0051] A first camera assembly, the first camera assembly is used to obtain the sun's position;

[0052] A second camera assembly, the second camera assembly is used to capture the eye position of the driver in the car;

[0053] Driving record component, which is used to obtain driving time, vehicle speed, and navigation route;

[0054] A sunshade processor, which obtains the intersection point through information from the first camera component, the second camera component and the driving record component and outputs the coordinate value of the intersection point;

[0055] A controller, the controller is used to receive the coordinate value output by the sunshade processor;

[0056] The actuator is used to receive a control instruction from the controller to perform shading at the intersection.

[0057] Further, a judgment module is included, and the judgment module is used to judge whether a first sunshade condition is met, wherein the first sunshade condition includes judging whether the light intensity is greater than a preset intensity according to information from the light sensor, and if so, the first sunshade condition is met;

[0058] When the first sunshade condition is met, the judgment module judges whether the second sunshade condition is met, wherein the second sunshade condition includes judging whether the intersection point is located at the front windshield 1 of the vehicle according to the information of the sunshade processor, and if so, the second sunshade condition is met.

[0059] Preferably, a coordinate system is established on the front windshield 1 of the vehicle, and when the second sunshade condition is met, the sunshade processor obtains the position coordinates of the intersection on the front windshield 1 of the vehicle.

[0060] The shading method of this solution is automatically operated by the control system, and the driver does not need to manually reverse the sun visor to block the light, which helps to improve the driving experience.

[0061] In this solution, the light sensor can obtain the light intensity with the help of the light sensor of the vehicle's automatic headlights and compare it with the preset intensity. When the light intensity is greater than the preset intensity or reaches the preset intensity, the first shading condition is met. On this basis, it is further determined whether shading operation is needed for the driver.

[0062] The first camera component is used to obtain the position of the sun, and the second camera component obtains the position of the driver's eyes. It should be noted here that since the sunshade in this scheme is a range-type shading through the intersection position, it is sufficient to obtain the position of any single eye. The intersection of the sun position and the driver's eye position obtained by the first camera component and the second camera component is obtained on the vehicle body. If the intersection is not on the front windshield 1 of the vehicle, it has no effect on the driver's driving line of sight and there is no need to perform subsequent shading operations. If the intersection is on the front windshield 1 of the vehicle, it is determined that both the first shading condition and the second shading condition are met, and a shading operation is performed according to the intersection position to reduce the light intensity irradiating the driver's eyes.

[0063] In addition, since the vehicle is in motion, the position of the intersection may change. The intersections obtained in this solution include real-time intersections and predicted intersections. The navigation information of the vehicle, including the route, driving direction, driving speed, etc., is obtained according to the driving record component. The predicted intersection is obtained by combining the sun position and the driver's eye position, and the intersection change trend is obtained through the predicted intersections at multiple times to determine whether the sunshade position needs to be changed or whether continuous sunshade operation is required.

[0064] In one embodiment, if Figure 1 As shown, the front windshield 1 of the vehicle is provided with an electrochromic glass 7, and the method includes: when the intersection is located at the front windshield 1 of the vehicle, the electrochromic glass 7 is controlled to diffuse and change color around the coordinates of the intersection as the center of the circle according to the coordinate value of the intersection to form a sunshade circle 5.

[0065] The electrochromic glass 7 provided in the present solution directly forms a sunshade circle 5 on the front windshield according to the intersection position, and diffuses the color with the intersection position as the center of the circle, thereby forming diffuse shading at the intersection. This method is conducive to reducing the structural setting, making the overall vehicle layout lighter, without redundant structure at the front windshield 1 of the vehicle, with a better external appearance and a simpler structural layout.

[0066] Preferably, the inner diameter r of the sunshade circle 5 satisfies 5 cm ≤ r ≤ 8 cm.

[0067] In this solution, when obtaining the position of the driver's eyes, only the position of one eye is obtained. When the sunshade circle 5 is diffused to the surroundings according to the intersection position, if the diffusion range of the sunshade circle 5 is too small, effective shading cannot be achieved, especially not conducive to shading the driver's eyes. If the diffusion range of the sunshade circle 5 is too large, unnecessary color change range will be produced, which is not conducive to maintaining a clearer driving field of vision. Setting the inner diameter of the sunshade circle 5 to meet 5cm≤r≤8cm can meet the shading range requirements of most users, and will not affect the driving field of vision due to too small or too large shading range.

[0068] In another embodiment, if Figure 2As shown, the vehicle front windshield 1 is provided with a track and a sunshade 4 moving along the track.

[0069] The sunshade operation is achieved by setting a mechanical structure under the control of a control system.

[0070] Furthermore, the track includes vertical tracks 3 located on both sides of the front windshield 1 of the vehicle and transverse tracks 2 respectively connected to the two vertical tracks 3 at both ends. The sunshade 4 is slidably connected to the transverse track 2, and the end of the transverse track 2 is connected to the drive motor 6, which drives the transverse track 2 to reciprocate along the vertical track 3.

[0071] Furthermore, if the intersection is located at the front windshield 1 of the vehicle, the driving motor 6 is controlled to drive the transverse track 2 to move along the vertical track 3 to the corresponding height of the intersection, and the sunshade 4 is controlled to move along the transverse track 2 to the intersection.

[0072] The track and sunshade 4 provided in the present scheme adjust the lateral position of the sunshade 4 on the front windshield 1 of the vehicle by moving the sunshade 4 on the lateral track 2, and drive the sunshade 4 located on the lateral track 2 to change its vertical position on the front windshield 1 of the vehicle by moving the lateral track 2 along the vertical track 3, thereby realizing multi-point positioning of the sunshade on the front windshield 1 of the vehicle, so that the sunshade realizes corresponding shading position change as the intersection position changes.

[0073] It is understandable that the sunshade 4 can be configured as a sheet or plate structure made of a translucent material, which can reduce the intensity of incident light while being light-transmissive, thereby achieving a good shading effect without affecting the driving field of vision.

[0074] As a preferred embodiment, the transverse track 2 is made of transparent material, and the sunshade 4 is made of low-brightness light-transmitting material.

[0075] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0076] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0077] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A vehicle sunshade method, characterized in that: The method comprises: Determine whether shading is needed based on light intensity; If the light intensity exceeds the preset intensity, it is determined that sunshade is required, and the intersection of the driver's eye position and the sun position on the vehicle body is obtained according to the driver's eye position, the sun position and the vehicle driving data; If the intersection point is located at the front windshield of the vehicle, the sunlight is shielded at the intersection point.

2. The vehicle sunshade method according to claim 1, characterized in that: The vehicle is provided with a control system, the control system comprising: A light sensor, wherein the light sensor is used to obtain the light intensity outside the vehicle; A first camera assembly, wherein the first camera assembly is used to obtain the position of the sun; a second camera assembly, the second camera assembly being used to capture the eye position of the driver in the vehicle; A driving record component, which is used to obtain driving time, vehicle speed, and navigation route; A sunshade processor, which obtains the intersection through information from the first camera component, the second camera component, and the driving record component and outputs a coordinate value of the intersection; A controller, the controller being used to receive the coordinate value output by the sunshade processor; An actuator is used to receive a control instruction issued by the controller to provide sunshade at the intersection.

3. The sunshade method according to claim 2, characterized in that: A judgment module is included, and the judgment module is used to judge whether a first sunshade condition is met, wherein the first sunshade condition includes judging whether the light intensity is greater than a preset intensity according to the information of the light sensor, and if so, the first sunshade condition is met; When the first shading condition is met, the judgment module judges whether the second shading condition is met, wherein the second shading condition includes judging whether the intersection is located at the front windshield of the vehicle according to the information of the shading processor, and if so, the second shading condition is met.

4. The sunshade method according to claim 3, characterized in that: A coordinate system is established on the front windshield of the vehicle, and when the second sunshade condition is met, the sunshade processor obtains the position coordinates of the intersection on the front windshield of the vehicle.

5. The vehicle sunshade method according to claim 2, characterized in that: The front windshield of the vehicle is provided with an electrochromic glass, and the method comprises: when the intersection is located at the front windshield of the vehicle, according to the coordinate value of the intersection, the electrochromic glass is controlled to diffuse and change color around the coordinate of the intersection as the center of the circle to form a sunshade circle.

6. The vehicle sunshade method according to claim 5, characterized in that: The inner diameter r of the sunshade circle satisfies 5cm≤r≤8cm.

7. The vehicle sunshade method according to claim 1, characterized in that: The vehicle front windshield is provided with a track and a sunshade moving along the track.

8. The vehicle sunshade method according to claim 7, characterized in that: The track includes vertical tracks located on both sides of the front windshield of the vehicle and transverse tracks with two ends respectively connected to the two vertical tracks. The sunshade is slidably connected to the transverse tracks, and the ends of the transverse tracks are connected to a driving motor. The driving motor drives the transverse tracks to reciprocate along the vertical tracks.

9. The vehicle sunshade method according to claim 8, characterized in that: If the intersection is located at the front windshield of the vehicle, the drive motor is controlled to drive the transverse track to move along the vertical track to the corresponding height of the intersection, and the sunshade is controlled to move along the transverse track to the intersection.

10. The vehicle sunshade method according to claim 8, characterized in that: The transverse track is made of transparent material, and the sunshade is made of low-brightness light-transmitting material.

Images