CN215474384U - Vehicle-mounted virtual light adjusting system - Google Patents
Vehicle-mounted virtual light adjusting system Download PDFInfo
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- CN215474384U CN215474384U CN202120586768.7U CN202120586768U CN215474384U CN 215474384 U CN215474384 U CN 215474384U CN 202120586768 U CN202120586768 U CN 202120586768U CN 215474384 U CN215474384 U CN 215474384U
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Abstract
The application provides a vehicle-mounted virtual light regulation system, include: the system comprises a camera unit, a processor and an electrochromic glass panel, wherein the camera unit is connected with the processor, the processor is connected with the electrochromic glass panel, and the camera unit is arranged in front of a driver in the vehicle and used for monitoring and capturing facial features of the driver and transmitting related information to the processor; the processor analyzes the captured facial features of the driver, analyzes the intensity of light, determines a sub-region of the electrochromic glass panel which overlaps with the path of the driver's eye vision, and sends a control instruction of the light source in the path which selectively blocks the driver's eye vision to the electrochromic glass panel; the electrochromic glass panel is fixed on a sun shield or a front windshield in front of a driver, and the light transmittance of the electrochromic glass panel in the area is changed by the electrochromic glass panel, so that the light irradiates the eyes of the driver after passing through the area.
Description
Technical Field
The utility model relates to the technical field of automobile virtual sun visors or windshields, in particular to a vehicle-mounted virtual light adjusting system.
Background
When a driver drives a vehicle, the driver often feels uncomfortable due to the fact that sunlight or lamplight outside the vehicle irradiates eyes, visual fatigue or blurred vision are caused, and therefore potential safety hazards of driving are caused. The existing vehicle adopts a countermeasure that a completely shading sun shield is arranged in front of a driver and the sun shield is used for shielding light rays projected to the eyes of the driver.
However, when using such a conventional sun visor, the driver needs to manually adjust the position of the sun visor so as to block the light incident on the eyes of the driver, and when the light blocking is not required, the driver needs to manually move the sun visor away from the front of the line of sight. This manual operation increases the operation burden on the driver during driving, and may distract the driver, thereby causing a serious driving safety hazard. In addition, the traditional sun visor completely shields the sight in front of the driver, thereby causing a blind field of vision and further influencing the driving safety.
In view of this, the present application provides a vehicle-mounted virtual light adjusting system, which can automatically change the intensity of a light source in the eye sight path area of a driver, prevent the high-intensity light source from interfering with the driver's sight, and prevent the driver from dazzling eyes.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vehicle-mounted virtual light adjusting system which can automatically change the intensity of a light source in a visual field path area of eyes of a driver, prevent the high-intensity light source from interfering the sight of the driver and prevent the eyes of the driver from being dizzy.
An in-vehicle virtual light adjustment system, comprising: camera unit, processor and electrochromic glass panel, camera unit and treater are connected, and the treater is connected with electrochromic glass panel, camera unit sets up the place ahead of the navigating mate in the vehicle for monitor and catch driver's facial feature, facial feature includes: the image or outline of the face, the intensity change of the face irradiated by the light, and the facial expression and gesture, and transmitting the relevant information to the processor; the processor analyzes the captured facial features of the driver, analyzes the intensity of light, determines a sub-region of the electrochromic glass panel that overlaps with the path of the driver's eye view, and sends control instructions for the light sources in the path that selectively blocks the driver's eye view to the electrochromic glass panel; the electrochromic glass panel is fixed on a sun shield or a front windshield in front of a driver, the electrochromic glass panel is composed of sub-regions of an array, each sub-region can be independently controlled and can be changed into an opaque optical characteristic mode from a transparent optical characteristic mode, the electrochromic glass panel adjusts the current of the sub-region where the electrochromic glass panel and the eye vision path of the driver are overlapped according to a control instruction sent by a processor, the light transmittance of the electrochromic glass panel in the region is changed, and the light intensity of the light which irradiates the eyes of the driver after the light penetrates through the region is enabled to be strong and weak.
In some embodiments, the camera unit is a camera of a separate module, or a camera shared with a camera in the vehicle cabin or a DMS camera monitored by the driver.
Furthermore, the camera captures the head coordinates of the driver so as to more accurately identify and infer the eye area, a corresponding coordinate system is convenient to establish, the head is better identified relative to the eyes for feature capture, and therefore misjudgment can be avoided through double judgment.
In some embodiments, the processor controls the camera unit and the electrochromic glass panel, and is capable of reading and writing to memory.
Further, the processor is an imaging processing unit for analyzing facial features of a driver, including: the method comprises the steps of establishing a facial coordinate system, accurately identifying eye parts, analyzing the intensity of the face and the eye parts irradiated by light rays, identifying facial expressions and gestures when a person encounters strong light, determining whether to change opaque optical characteristics of a sub-area of a part, overlapping with the sight line of a driver, of the electrochromic glass panel, and calculating the light transmittance of the sub-area of the part overlapping with the sight line of the driver according to the intensity of the light rays sensed by a light sensor.
Further, when the processor detects that the illumination level of the eyes of the driver changes and exceeds a threshold value, the light transmittance of the sub-area of the part overlapped with the sight line of the driver is adjusted, the high-intensity light source is prevented from interfering the sight line of the driver, and the eyes of the driver are prevented from being dizzy.
Further, on-vehicle virtual light governing system still includes light sensor, and light sensor is connected with the treater, light sensor unit sets up the place ahead of the navigating mate in the vehicle for the intensity of the light that outside came in is monitored and is caught, and transmits relevant information to the treater.
Further, the optimum light transmittance of the sub-area overlapping with the driver's sight line is calculated based on the light intensity data of the light sensor matching the data stored in advance in the memory connected to the processor.
In some embodiments, the electrochromic glass panel is composed of sub-regions arranged in rows and columns, the sub-regions are seamlessly joined, and the opaque optical characteristic pattern of the electrochromic glass panel enables a continuous variation of visible light transmittance between 90% and 10%.
Further, the shape of the sub-region comprises: rectangle, square, equilateral or scalene polygon, circle, ring.
Further, the sub-regions are in a nested arrangement, such as a ring target arrangement.
Further, the number of rows of the sub-area of the electrochromic glass panel is 3-8 rows, and the number of columns of the sub-area of the electrochromic glass panel is 3-30 columns.
Further, electrochromic glass comprises bottom glass layer, bottom transparent conducting layer, electrochromic layer, ion conductor layer, ion storage layer, top transparent conducting layer and top glass layer, and wherein electrochromic layer is made by electrochromic material, and under the effect of electric field, thereby the ion of ion storage layer gets into electrochromic layer through ion conductor layer and realizes the color change effect, and in addition reverse electric field, the ion can leave electrochromic layer and get back to the ion storage layer through ion conductor layer thereby fade.
Further, the bottom transparent conductive layer and the top transparent conductive layer are made of transparent conductive oxide materials, and the bottom transparent conductive layer and the top transparent conductive layer comprise one of an ITO (indium tin oxide) film, an FTO (fluorine-doped tin oxide) film or an AZO (aluminum-doped tin oxide) film.
Furthermore, the conducting wire part of the sub-area is connected to a PCB circuit board and then connected with the processor through a conducting wire.
In some embodiments, the in-vehicle virtual light adjustment system further includes other circuitry, memory, or computer-implemented modules.
Further, the memory stores computer program instructions that control the camera unit and the electrochromic glass panel.
Further, the memory may be a non-volatile memory, such as a non-transitory computer readable storage medium, an electrically erasable programmable read-only memory (EEPROM) for storing one or more routines, thresholds, and captured data, or the memory is a remote memory stored in the cloud (i.e., cloud memory).
Further, the memory may be part of the processor or separate from the processor.
Drawings
Fig. 1 is a schematic structural diagram of a vehicle-mounted virtual light adjustment system according to the present application.
Fig. 2 is a schematic structural diagram of an electrochromic glass panel of the vehicular virtual light adjustment system of the present application.
Detailed Description
The following examples are described to aid in the understanding of the present application and are not, and should not be construed to, limit the scope of the present application in any way.
In the following description, those skilled in the art will recognize that components may be described throughout this discussion as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).
Also, connections between components or systems are not intended to be limited to direct connections, but rather, data between these components may be modified, reformatted, or otherwise changed by intervening components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" and "fixed" are understood to encompass direct connections, indirect connections, or fixed through one or more intermediaries.
Example 1:
an in-vehicle virtual light adjustment system, as shown in fig. 1-2, the in-vehicle virtual light adjustment system comprising: camera unit, processor and electrochromic glass panel, camera unit and treater are connected, and the treater is connected with electrochromic glass panel, camera unit sets up the place ahead of the navigating mate in the vehicle for monitor and catch driver's facial feature, facial feature includes: the image or outline of the face, the intensity change of the face irradiated by the light, and the facial expression and gesture, and transmitting the relevant information to the processor; the processor analyzes the captured facial features of the driver, analyzes the intensity of light, determines a sub-region of the electrochromic glass panel that overlaps with the path of the driver's eye view, and sends control instructions for the light sources in the path that selectively blocks the driver's eye view to the electrochromic glass panel; the electrochromic glass panel is fixed on a sun shield in front of a driver and consists of sub-regions of an array, each sub-region can be independently controlled and can be changed into an opaque optical characteristic mode from a transparent optical characteristic mode, the electrochromic glass panel adjusts the current of the sub-region, overlapped with the eye vision path of the driver, of the electrochromic glass panel according to a control instruction sent by the processor, the light transmittance of the electrochromic glass panel in the region is changed, and the light rays irradiate the eyes of the driver after penetrating through the region.
The camera unit is a camera of an independent module or a camera shared by a camera in the carriage or a DMS camera monitored by a driver. The camera captures the head coordinates of the driver so as to more accurately identify and infer the eye areas, a corresponding coordinate system is convenient to establish, the head is better identified relative to the eyes for feature capture, and therefore misjudgment can be avoided through double judgment. The processor controls the camera unit and the electrochromic glass panel, and can read and write the memory. The processor is an imaging processing unit for analyzing facial features of a driver, comprising: the method comprises the steps of establishing a facial coordinate system, accurately identifying eye parts, analyzing the intensity of the face and the eye parts irradiated by light rays, identifying facial expressions and gestures when a person encounters strong light, determining whether to change opaque optical characteristics of a sub-area of a part, overlapping with the sight line of a driver, of the electrochromic glass panel, and calculating the light transmittance of the sub-area of the part overlapping with the sight line of the driver according to the intensity of the light rays sensed by a light sensor. When the processor detects that the change of the illumination level of the eyes of the driver exceeds a threshold value, the light transmittance of the subarea which is overlapped with the sight line of the driver is adjusted, the high-intensity light source is prevented from interfering the sight line of the driver, and the sight line of the driver is prevented from being dizzy. The vehicle-mounted virtual light adjusting system further comprises a light sensor, the light sensor is connected with the processor, and the light sensor unit is arranged in front of a driver in the vehicle and used for monitoring and capturing the intensity of light coming from the outside and transmitting related information to the processor. And calculating the optimal light transmittance of the sub-area of the part which is overlapped with the sight line of the driver according to the light intensity data of the light sensor and the data which is stored in a memory connected with the processor in advance.
The electrochromic glass panel is composed of sub-regions arranged in rows and columns, the sub-regions are in seamless connection, and the opaque optical characteristic mode of the electrochromic glass panel can realize that the visible light transmittance is continuously changed between 90% and 10%. The shape of the sub-regions is: rectangular, ring target arrangement. The number of rows of the sub-area of the electrochromic glass panel is 4 rows and the number of columns of the sub-area of the electrochromic glass panel is 6 columns. Electrochromic glass comprises bottom glass layer, bottom transparent conducting layer, electrochromic layer, ion conductor layer, ion storage layer, top transparent conducting layer and top glass layer, and wherein electrochromic layer is made by electrochromic material, and under the effect of electric field, thereby the ion of ion storage layer gets into electrochromic layer through ion conductor layer and realizes the effect of discolouing, and in addition reverse electric field, thereby the ion can leave electrochromic layer and get back to the ion storage layer through ion conductor layer and fade. The bottom transparent conducting layer and the top transparent conducting layer are made of transparent conducting oxide materials, and the bottom transparent conducting layer and the top transparent conducting layer are made of ITO films. The conductor part of the sub-area is connected to a PCB circuit board and then connected with the processor through the conductor.
The vehicle virtual light conditioning system also includes other circuitry, memory, or computer implemented modules. The memory stores computer program instructions that control the camera unit and the electrochromic glass panel. The memory is a non-volatile memory, such as a non-transitory computer readable storage medium, an electrically erasable programmable read-only memory (EEPROM) for storing one or more routines, thresholds, and captured data.
Example 2:
an in-vehicle virtual light adjustment system, as shown in fig. 1, comprising: camera unit, processor and electrochromic glass panel, camera unit and treater are connected, and the treater is connected with electrochromic glass panel, camera unit sets up the place ahead of the navigating mate in the vehicle for monitor and catch driver's facial feature, facial feature includes: the image or outline of the face, the intensity change of the face irradiated by the light, and the facial expression and gesture, and transmitting the relevant information to the processor; the processor analyzes the captured facial features of the driver, analyzes the intensity of light, determines a sub-region of the electrochromic glass panel that overlaps with the path of the driver's eye view, and sends control instructions for the light sources in the path that selectively blocks the driver's eye view to the electrochromic glass panel; the electrochromic glass panel is fixed on a front windshield in front of a driver and consists of sub-regions of an array, each sub-region can be independently controlled and can be changed into an opaque optical characteristic mode from a transparent optical characteristic mode, the electrochromic glass panel adjusts the current of the sub-region, overlapped with the eye vision path of the driver, of the electrochromic glass panel according to a control instruction sent by the processor, the light transmittance of the electrochromic glass panel in the region is changed, and the light rays irradiate the eyes of the driver after penetrating through the region.
The camera unit is a camera shared by a DMS camera monitored by a driver, the camera captures the head coordinates of the driver so as to more accurately identify and infer the eye area, and the head is better identified relative to the eyes for feature capture, so that misjudgment can be avoided by double judgment.
The processor is an imaging processing unit for analyzing facial features of a driver, comprising: the method comprises the steps of establishing a facial coordinate system, accurately identifying eye parts, analyzing the intensity of the face and the eye parts irradiated by light rays, identifying facial expressions and gestures when a person encounters strong light, determining whether to change opaque optical characteristics of a sub-area of a part, overlapping with the sight line of a driver, of the electrochromic glass panel, and calculating the light transmittance of the sub-area of the part overlapping with the sight line of the driver according to the intensity of the light rays sensed by a light sensor. When the processor detects that the change of the illumination level of the eyes of the driver exceeds a threshold value, the light transmittance of the subarea which is overlapped with the sight line of the driver is adjusted, the high-intensity light source is prevented from interfering the sight line of the driver, and the sight line of the driver is prevented from being dizzy. The vehicle-mounted virtual light adjusting system further comprises a light sensor, the light sensor is connected with the processor, data stored in a memory connected with the processor in advance are matched according to light intensity data of the light sensor, and the optimal light transmittance of the sub-area of the part overlapped with the sight of the driver is calculated.
The electrochromic glass panel is composed of sub-regions arranged in rows and columns, the sub-regions are in seamless connection, and the opaque optical characteristic mode of the electrochromic glass panel can realize that the visible light transmittance is continuously changed between 90% and 10%. The shape of subregion is hexagon, and the subregion is the ring target arrangement. The number of rows of the sub-area of the electrochromic glass panel is 5 rows and the number of columns of the sub-area of the electrochromic glass panel is 18 columns. Electrochromic glass comprises bottom glass layer, bottom transparent conducting layer, electrochromic layer, ion conductor layer, ion storage layer, top transparent conducting layer and top glass layer, and wherein electrochromic layer is made by electrochromic material, and under the effect of electric field, thereby the ion of ion storage layer gets into electrochromic layer through ion conductor layer and realizes the effect of discolouing, and in addition reverse electric field, thereby the ion can leave electrochromic layer and get back to the ion storage layer through ion conductor layer and fade. The bottom transparent conducting layer and the top transparent conducting layer are made of transparent conducting oxide materials, and the bottom transparent conducting layer and the top transparent conducting layer are FTO thin films. The conductor part of the sub-area is connected to a PCB circuit board and then connected with the processor through the conductor.
The vehicle virtual light conditioning system also includes other circuitry, memory, or computer implemented modules. The memory stores computer program instructions that control the camera unit and the electrochromic glass panel. The memory is separate from the processor and is stored in remote memory in the cloud (i.e., cloud memory).
While various aspects and embodiments have been disclosed herein, it will be apparent to those skilled in the art that other aspects and embodiments can be made without departing from the spirit of the disclosure, and that several modifications and improvements can be made without departing from the spirit of the disclosure. The various aspects and embodiments disclosed herein are presented by way of example only and are not intended to limit the present disclosure, which is to be controlled in the spirit and scope of the appended claims.
Claims (9)
1. An in-vehicle virtual light adjustment system, comprising: camera unit, processor and electrochromic glass panel, camera unit and treater are connected, and the treater is connected with electrochromic glass panel, camera unit sets up the place ahead of the navigating mate in the vehicle for monitor and catch driver's facial feature, facial feature includes: the image or outline of the face, the intensity change of the face irradiated by the light, and the facial expression and gesture, and transmitting the relevant information to the processor; the processor is used for analyzing the captured facial features of the driver, analyzing the intensity of light, determining a sub-area of the electrochromic glass panel which is overlapped with the eye vision path of the driver, and sending a control instruction of the light source in the path which selectively obstructs the eye vision of the driver to the electrochromic glass panel; the electrochromic glass panel is fixed on a sun shield or a front windshield in front of a driver, the electrochromic glass panel is composed of sub-regions of an array, each sub-region can be independently controlled and can be changed into an opaque optical characteristic mode from a transparent optical characteristic mode, the electrochromic glass panel adjusts the current of the sub-region where the electrochromic glass panel and the eye vision path of the driver are overlapped according to a control instruction sent by a processor, the light transmittance of the electrochromic glass panel in the region is changed, and the light intensity of the light which irradiates the eyes of the driver after the light penetrates through the region is enabled to be strong and weak.
2. The vehicle virtual light adjustment system of claim 1, wherein the camera unit is a camera of a separate module or a camera shared with a camera in a vehicle cabin or a DMS camera monitored by a driver.
3. The vehicle virtual light adjustment system of claim 1, wherein the processor controls the camera unit and the electrochromic glass panel and is capable of reading from and writing to a memory.
4. The vehicular virtual light adjustment system of claim 3, wherein the processor is an imaging processing unit for analyzing facial features of a driver, comprising: the method comprises the steps of establishing a facial coordinate system, accurately identifying eye parts, analyzing the intensity of the face and the eye parts irradiated by light rays, identifying facial expressions and gestures when a person encounters strong light, determining whether to change opaque optical characteristics of a sub-area of a part, overlapping with the sight line of a driver, of the electrochromic glass panel, and calculating the light transmittance of the sub-area of the part overlapping with the sight line of the driver according to the intensity of the light rays sensed by a light sensor.
5. The vehicle virtual light adjustment system of claim 4, wherein the processor adjusts the transmittance of the sub-area overlapping the driver's sight line when detecting that the change in the illumination level at the driver's eye region exceeds a threshold value, preventing the high intensity light source from interfering with the driver's sight line, and preventing the driver's eyes from being dizzy; and calculating the optimal light transmittance of the sub-area of the part which is overlapped with the sight line of the driver according to the light intensity data of the light sensor and the data which is stored in a memory connected with the processor in advance.
6. The vehicular virtual light adjustment system of claim 1, wherein the electrochromic glass panel is composed of sub-regions arranged in rows and columns, the sub-regions are seamlessly joined, and the opaque optical characteristic pattern of the electrochromic glass panel enables a continuous variation of visible light transmittance between 90% and 10%.
7. The vehicle virtual light adjustment system of claim 6, wherein the shape of the sub-region comprises: polygonal and annular, and the sub-regions are in nested arrangement.
8. The vehicular virtual light adjustment system according to claim 7, wherein the number of rows of the sub-regions of the electrochromic glass panel is 3 to 8 rows, and the number of columns of the sub-regions of the electrochromic glass panel is 3 to 30 columns.
9. The vehicle virtual light adjusting system according to claim 6, wherein the electrochromic glass is composed of a bottom glass layer, a bottom transparent conductive layer, an electrochromic layer, an ion conductor layer, an ion storage layer, a top transparent conductive layer and a top glass layer, wherein the electrochromic layer is made of electrochromic material, under the action of an electric field, ions in the ion storage layer enter the electrochromic layer through the ion conductor layer to realize a color change effect, and under the action of a reverse electric field, the ions leave the electrochromic layer and return to the ion storage layer through the ion conductor layer to fade.
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| CN202120586768.7U CN215474384U (en) | 2021-03-23 | 2021-03-23 | Vehicle-mounted virtual light adjusting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115291428A (en) * | 2022-07-06 | 2022-11-04 | 合众新能源汽车有限公司 | Optical processing device, automobile and control method of optical processing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115291428A (en) * | 2022-07-06 | 2022-11-04 | 合众新能源汽车有限公司 | Optical processing device, automobile and control method of optical processing device |
| CN115291428B (en) * | 2022-07-06 | 2023-12-01 | 合众新能源汽车股份有限公司 | Light processing device, automobile and control method of light processing device |
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