CN211844048U - Automobile-used sunshading board system and vehicle - Google Patents
Automobile-used sunshading board system and vehicle Download PDFInfo
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- CN211844048U CN211844048U CN202020261704.5U CN202020261704U CN211844048U CN 211844048 U CN211844048 U CN 211844048U CN 202020261704 U CN202020261704 U CN 202020261704U CN 211844048 U CN211844048 U CN 211844048U
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Abstract
The utility model discloses an automobile-used sunshading board system and vehicle, automobile-used sunshading board system, include: the sun visor comprises a transparent panel. The image collector is used for collecting facial image information of a driver and sending the facial image information to the controller; the controller is used for determining an incident path of light rays incident to eyes of a driver according to the facial image information and sending a control signal to the transparent panel according to the incident path; the transparent panel is used for reducing the light transmittance of a first area intersected with the incident path on the transparent panel according to the control signal, and the rest of second areas of the transparent panel are kept transparent, so that all or part of strong light incident to the eyes of a driver is shielded, the eyes of the driver and the surrounding of the eyes of the driver transmit shadows, meanwhile, the rest of second areas of the transparent panel are kept transparent, most of vision of the driver cannot be blocked, and the driving safety is improved.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to an automobile-used sunshading board system and vehicle.
Background
With the development of society and the continuous improvement of civilization, automobiles are popularized at a high speed as one of human walk-substituting tools, the intelligent requirements of automobiles are more and more strong, and the safety and the comfort of automobile driving are more and more emphasized.
According to the statistics of an authority, compared with the number of car accidents caused by other weather conditions, the number of car accidents caused by the fact that eyes cannot normally observe due to sunlight irradiation is far higher than that of car accidents caused by other scenes, the risk of car accidents under the strong illumination condition is much higher than that under the ordinary weather condition, and car accidents are more easily caused particularly in the morning and at the dusk because of sunlight irradiation angles.
A conventional approach to this problem is to mount a manually deployable sun visor adjacent the vehicle windshield. The visor may be flipped, rotated or otherwise repositioned to cover a portion of the windshield to block the entry of sunlight. However, in the deployed position, the sun visor is generally not effective in preventing the sun from interfering with the driver's view. Furthermore, even if the deployed sun visor does block the sun, the sun visor itself may interfere with the driver's view, often blocking tall road signs and traffic lights. To overcome these problems, drivers often must reposition the visor or adjust the head position so that the visor blocks sunlight while not unduly disturbing the view. This will affect the driver's attention and thus the driving safety.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an automobile-used sunshading board system and vehicle can shelter from whole or partial highlight of inciding to driver's eyes, and can not block the field of vision of driver's most, has improved driving safety nature.
In a first aspect, an embodiment of the present invention provides a vehicle sun visor system, including: the system comprises a sun shield, an image collector and a controller;
the visor comprises a transparent panel;
the image collector is used for collecting facial image information of a driver and sending the facial image information to the controller;
the controller is used for determining an incident path of light rays incident to eyes of a driver according to the facial image information and sending a control signal to the transparent panel according to the incident path;
the transparent panel is used for reducing the light transmittance of the first area of the transparent panel according to the control signal, and the rest second areas of the transparent panel are kept transparent;
the first area is an area on the transparent panel, which is intersected with the incident path.
Optionally, the transparent panel includes a transparent liquid crystal panel, a transparent light emitting LED panel, or a transparent OLED panel.
Optionally, the transparent panel comprises electrochromic glass comprising a plurality of individually color-changeable sub-regions.
Optionally, the transparent panel is integrated into a front windshield of the vehicle.
Optionally, the transparent panel is movably connected with a roof lining of the vehicle.
Optionally, the image collector is disposed on an a-pillar or an interior mirror of the vehicle.
Optionally, the controller is further configured to determine light intensity of incident light according to the facial image information, determine an incident path of the light entering the eyes of the driver according to the facial image information when the light intensity of the incident light is greater than a preset light intensity, and send a control signal to the transparent panel according to the incident path.
Optionally, the vehicle sun visor system further comprises a light intensity sensor, wherein the light intensity sensor is arranged on the sun visor;
the light intensity sensor is connected with the controller and used for collecting the light intensity of incident light and sending the light intensity to the controller;
the controller is used for determining an incident path of the light rays incident to the eyes of the driver according to the facial image information when the light intensity of the incident light rays is greater than preset light intensity, and sending a control signal to the transparent panel according to the incident path.
Optionally, the controller is further configured to determine a line of sight direction of the driver according to the facial image information, and send a control signal to the transparent panel when an included angle between the line of sight direction and the incident path is smaller than a preset angle.
In a second aspect, the embodiment of the present invention further provides a vehicle, including if the embodiment of the present invention provides a vehicle sun visor system.
The embodiment of the utility model provides a car sun visor board system, include: the sun visor comprises a transparent panel. The image collector is used for collecting facial image information of a driver and sending the facial image information to the controller; the controller is used for determining an incident path of light rays incident to eyes of a driver according to the facial image information and sending a control signal to the transparent panel according to the incident path; the transparent panel is used for reducing the light transmittance of a first area intersected with the incident path on the transparent panel according to the control signal, and the rest of second areas of the transparent panel are kept transparent, so that all or part of strong light incident to the eyes of a driver is shielded, the eyes of the driver and the surrounding of the eyes of the driver transmit shadows, meanwhile, the rest of second areas of the transparent panel are kept transparent, most of vision of the driver cannot be blocked, and the driving safety is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a sun visor system for a vehicle according to an embodiment of the present invention;
fig. 2 is a schematic view of an operating principle of a sun visor system for a vehicle according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
The embodiment of the utility model provides a vehicle sun visor board system, fig. 1 is the structural schematic diagram of a vehicle sun visor board system that the embodiment of the invention provided, fig. 2 is the embodiment of the utility model provides a working principle schematic diagram of a vehicle sun visor board system, as shown in fig. 1 and fig. 2, this sun visor board system includes sunshading board, image collector 120 and controller 130.
The visor includes a transparent panel 110 that includes a plurality of regions that are individually controllable in color and/or transparency to block some or all of the light transmitted through a region when the region is controlled to appear dark (e.g., black) and/or opaque (or have a low transmittance).
The image collector 120 is configured to collect facial image information of the driver and transmit the facial image information to the controller 130. The image collector 120 may include an optical lens and an optical sensor, and the optical sensor may be a CMOS (Complementary Metal-Oxide-Semiconductor) sensor or a CCD (Charge Coupled Device) sensor. The optical lens collects light reflected from the driver's face and converges the light onto the optical sensor, and the optical sensor converts the light signal into an electrical signal including image information of the driver and transmits the electrical signal to the controller 130.
The controller 130 may be integrated in a central control of the automobile, and the controller 130 is configured to determine an incident path of light incident to the eyes of the driver according to the facial image information, and send a control signal to the transparent panel according to the incident path. The method for determining the incident path of the light ray to the eyes of the driver by the controller 130 may be various, for example, in an embodiment of the present invention, the face image is first grayed out, the shadow region is separated, and the fitted straight line of the pixel points with the minimum shadow Brightness Ratio (BR) value in the shadow region is further obtained. Based on the characteristic that the illumination intensity of each point in the shadow area is closely related to the position in the shadow, BR fitting straight lines, object geometric height lines and incident rays are used for projection modeling, and the incident path of the rays incident to the eyes of a driver is determined. In another embodiment of the utility model, at first try to obtain the Canny edge image who contains the shadow edge according to original image, then utilize the mirror surface to penetrate detection method and detect the highlight part in the image, again according to shadow edge, highlight position and light and shade information, utilize these physical uniformity that can provide the existence between the information of clue for illumination estimation to estimate out the light source side and obtain the illumination edge comprehensively. And finally, dividing the image into a plurality of regions with the same illumination, judging which light sources illuminate pixel points of the regions by using several models of the object, and solving the illumination intensity according to pixel pairs of different regions. The physical consistency of the illumination information such as light and shade, shadow and highlight is utilized, so that the interference of textures can be avoided, and the method can adapt to the situation that the textures exist in a shadow projection area.
The controller 130, after determining an incident path of the light ray incident to the eyes of the driver, further determines a first region 111 on the transparent panel intersecting the incident path, and sends a control signal to the transparent panel.
The transparent panel 110 is used for controlling the first area 111 to be colored and display dark color according to the control signal so as to reduce the light transmittance of the first area 111 of the transparent panel, and the rest of the second areas 112 of the transparent panel 110 are kept transparent so as to block all or part of the strong light incident to the eyes of the driver and transmit the shadow on the eyes and the periphery of the driver, and meanwhile, the rest of the second areas 112 of the transparent panel 110 are kept transparent so as not to block most of the vision of the driver.
The embodiment of the utility model provides a car sun visor board system, include: the sun visor comprises a transparent panel. The image collector is used for collecting facial image information of a driver and sending the facial image information to the controller; the controller is used for determining an incident path of light rays incident to eyes of a driver according to the facial image information and sending a control signal to the transparent panel according to the incident path; the transparent panel is used for reducing the light transmittance of a first area intersected with the incident path on the transparent panel according to the control signal, and the rest of second areas of the transparent panel are kept transparent, so that all or part of strong light incident to the eyes of a driver is shielded, the eyes of the driver and the surrounding of the eyes of the driver transmit shadows, meanwhile, the rest of second areas of the transparent panel are kept transparent, most of vision of the driver cannot be blocked, and the driving safety is improved.
Illustratively, in the above embodiments, the transparent panel 110 includes a transparent liquid crystal display panel, a transparent light emitting LED display panel, or a transparent OLED display panel. The controller 130 further determines a first region 111 intersecting the incident path on the transparent panel 110 after determining the incident path of the light incident on the eyes of the driver, and sends a control signal to the transparent panel 110, wherein the control signal may be a data signal, and the transparent panel 110 displays a dark pattern (for example, black) on pixels of the first region 111 according to the data signal to reduce the light transmittance of the first region 111 of the transparent panel 110, and the remaining second regions 112 of the transparent panel 110 remain transparent to block all or part of the strong light incident on the eyes of the driver and to transmit a shadow around the eyes of the driver, and at the same time, the remaining second regions 112 of the transparent panel 110 remain transparent to not block most of the field of view of the driver.
It should be noted that, in the embodiment of the present invention, the transparent panel 110 may also be electrochromic glass, and the electrochromic glass includes a plurality of sub-regions which can be controlled to change color individually, similar to the pixel points. After determining the incident path of the light incident on the eyes of the driver, the controller 130 further determines a first region 111 intersecting the incident path on the transparent panel 110, and sends a control signal to the transparent panel 110, and the transparent panel 110 displays a dark pattern (e.g., black) on a sub-region of the first region 110 according to the control signal to reduce the light transmittance of the first region 111 of the transparent panel 110, and the remaining second regions 112 of the transparent panel 110 remain transparent to block all or part of the strong light incident on the eyes of the driver, and transmit a shadow on and around the eyes of the driver, and at the same time, the remaining second regions 112 of the transparent panel 110 remain transparent and do not block most of the field of vision of the driver.
Illustratively, in the above-described embodiment, the controller 130 is further configured to determine the light intensity of the incident light according to the shadow and the highlight in the face image, determine an incident path of the light to the eyes of the driver according to the face image information when the light intensity of the incident light is greater than a preset light intensity, and send a control signal to the transparent panel 110 according to the incident path. The transparent panel 110 displays a dark color pattern (e.g., black) on a sub-region of the first region 110 according to the control signal to reduce the light transmittance of the first region 111 of the transparent panel 110, and the remaining second region 112 of the transparent panel 110 remains transparent. Further, under normal illumination, the transparent panel 110 remains transparent, and the sun visor system will only operate when the light intensity of an external light source (e.g., sunlight or head-on light) is greater than a predetermined light intensity.
For example, in the above embodiments, a separate light intensity sensor may be used to detect the light intensity of the incident light. Specifically, the sun visor system for a vehicle further includes a light intensity sensor 140, and the light intensity sensor 140 is disposed on a frame of the transparent panel 110 and faces the front windshield.
The light intensity sensor 140 is connected to the controller 130, and is used for collecting the light intensity of the incident light and transmitting the light intensity to the controller 130. The controller 130 is configured to determine an incident path of the light incident to the eyes of the driver according to the facial image information when the light intensity of the incident light is greater than a preset light intensity, and send a control signal to the transparent panel 110 according to the incident path. Specifically, the operation principle of the controller 130 and the transparent panel 110 is described in detail in the above embodiments, and the description of the embodiment is omitted here.
Of course, in the utility model discloses an in other embodiments, light intensity sensor 140 also can set up on the inside rear-view mirror, towards front windshield, perhaps sets up outside the automobile body, the embodiment of the utility model provides a do not limit to light intensity sensor 140's specific position, as long as can realize detecting the light intensity of incident light can.
Illustratively, in the embodiment of the present invention, the controller 130 is further configured to determine the driver's sight line direction according to the facial image information. Specifically, after the facial image is obtained, the eye is positioned through Hough transformation ellipse detection according to the edge contour characteristics of the eye, so that the eye can be accurately positioned, and the eye socket can be positioned. The eyeball is then determined and the center of the eyeball is located by analyzing the gradient vector field of the image. The gaze direction is then determined from the orientation of the head and the relative position of the eye ball with respect to the eye contour. And when the included angle between the sight line direction and the incident path is smaller than a preset angle (for example, 30 °), sending a control signal to the transparent panel 110 to control the first region 111 of the transparent panel 110 to reduce the light transmittance.
For example, on the basis of the above-described embodiment, the transparent panel 110 may be integrated into a front windshield of a vehicle, and become a part of the front windshield. Under normal light conditions, the transparent panel 110 is transparent and does not obstruct the driver's view.
The embodiment of the utility model provides a vehicle is still provided, and this vehicle includes like the utility model discloses the automobile-used sunshading board system that above-mentioned arbitrary embodiment provided possesses function and effect in the above-mentioned embodiment. For example, the vehicle may be a car, a passenger vehicle, a truck, an engineering vehicle, or the like, and the embodiments of the present invention are not limited herein.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in a descriptive sense and with reference to the illustrated orientation or positional relationship for purposes of descriptive convenience and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A sun visor system for a vehicle, comprising: the system comprises a sun shield, an image collector and a controller;
the visor comprises a transparent panel;
the image collector is used for collecting facial image information of a driver and sending the facial image information to the controller;
the controller is used for determining an incident path of light rays incident to eyes of a driver according to the facial image information and sending a control signal to the transparent panel according to the incident path;
the transparent panel is used for reducing the light transmittance of the first area of the transparent panel according to the control signal, and the rest second areas of the transparent panel are kept transparent;
the first area is an area on the transparent panel, which is intersected with the incident path.
2. The vehicular sun visor system of claim 1, wherein the transparent panel comprises a transparent liquid crystal panel, a transparent light emitting LED panel, or a transparent OLED panel.
3. The vehicular visor system of claim 1, wherein the transparent panel comprises electrochromic glazing comprising a plurality of individually color-changeable sub-regions.
4. The vehicular sun visor system of claim 1 wherein the transparent panel is integrated into a front windshield of a vehicle.
5. The vehicular sun visor system of claim 1 wherein the transparent panel is movably connected to a headliner of the vehicle.
6. The vehicular sun visor system according to claim 1, wherein the image collector is provided on an a-pillar or an interior mirror of the vehicle.
7. The sun visor system for vehicles according to claim 1, wherein the controller is further configured to determine a light intensity of an incident light according to the face image information, and when the light intensity of the incident light is greater than a preset light intensity, determine an incident path of the light to the eyes of the driver according to the face image information, and send a control signal to the transparent panel according to the incident path.
8. The vehicular sun visor system according to claim 1, further comprising a light intensity sensor provided on the sun visor;
the light intensity sensor is connected with the controller and used for collecting the light intensity of incident light and sending the light intensity to the controller;
the controller is used for determining an incident path of the light rays incident to the eyes of the driver according to the facial image information when the light intensity of the incident light rays is greater than preset light intensity, and sending a control signal to the transparent panel according to the incident path.
9. The sun visor system for vehicles according to claim 1, wherein the controller is further configured to determine a line of sight direction of a driver from the facial image information, and to send a control signal to the transparent panel when an angle between the line of sight direction and the incident path is smaller than a preset angle.
10. A vehicle comprising a sun visor system for a vehicle according to any one of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261704.5U CN211844048U (en) | 2020-03-05 | 2020-03-05 | Automobile-used sunshading board system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020261704.5U CN211844048U (en) | 2020-03-05 | 2020-03-05 | Automobile-used sunshading board system and vehicle |
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| CN211844048U true CN211844048U (en) | 2020-11-03 |
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| CN202020261704.5U Active CN211844048U (en) | 2020-03-05 | 2020-03-05 | Automobile-used sunshading board system and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665325A (en) * | 2021-09-17 | 2021-11-19 | 光羿智能科技(苏州)有限公司 | Sun visor, control method and device thereof, and computer-readable storage medium |
| TWI749962B (en) * | 2020-12-24 | 2021-12-11 | 林商行強化安全玻璃廠股份有限公司 | A light-sensitive protective windshield discoloration system |
-
2020
- 2020-03-05 CN CN202020261704.5U patent/CN211844048U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI749962B (en) * | 2020-12-24 | 2021-12-11 | 林商行強化安全玻璃廠股份有限公司 | A light-sensitive protective windshield discoloration system |
| CN113665325A (en) * | 2021-09-17 | 2021-11-19 | 光羿智能科技(苏州)有限公司 | Sun visor, control method and device thereof, and computer-readable storage medium |
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