1. The utility model provides an on-vehicle intelligent sunshading board system based on visual control which characterized in that includes: the sun shield comprises a sun shield (1), a system unit (2), a vertical moving mechanism (3) and a power supply unit;

the system unit (2) comprises: the device comprises a visual sensing unit, a control unit, a light intensity sensing unit and a refractive index adjusting unit;

the power supply unit is connected with the visual sensing unit, the control unit, the light intensity sensing unit, the refractive index adjusting unit and the vertical moving mechanism (3);

the light intensity sensing unit is connected with the control unit; the control unit is connected with the refractive index adjusting unit; the visual sensing unit is connected with the control unit; the refractive index adjusting unit is connected with the sun shield (1), and the vertical moving mechanism (3) is connected with the control unit;

a vertical movable mechanism (3) is arranged at the vertical edge of the sun shield (1);

a system unit (2) is arranged at the horizontal upper edge of the sun shield (1);

the light intensity sensing unit is used for: acquiring light source information and transmitting the light source information to a control unit;

the vision sensing unit is used for: identifying the face dynamic state, locking the full face form, identifying the current demand state of the user in real time according to the face dynamic state of the user, analyzing whether the current ambient light source is appropriate or not, and transmitting the demand state information to the control unit in real time;

the control unit is used for:

analyzing and comparing the light source information transmitted by the light intensity sensing unit with the demand information transmitted by the visual sensing unit in real time, and transmitting control information to the refractive index adjusting unit;

secondly, the vertical moving mechanism (3) is controlled to turn over the sun shield (1) to open or close the sun shield (1);

the refractive index adjusting unit is configured to: changing the transmission coefficient of the sun shield (1) in real time according to the control information transmitted by the control unit;

the vertical moving mechanism (3) is used for: the vertical turning movement of the sun shield (1) is realized;

the power supply unit is used for: the visual sensing unit, the control unit, the light intensity sensing unit, the refractive index adjusting unit and the vertical moving mechanism (3) are powered.

2. The vision control-based vehicle-mounted intelligent sun visor system of claim 1, wherein: the control unit converts the analysis and comparison result into a voltage value; the control information is the voltage value.

3. The vision control-based vehicle-mounted intelligent sun visor system of claim 2, wherein: the refractive index adjusting unit is provided with gears, the voltage value is gradually increased from low voltage to high voltage along with the transmission of the control unit to the refractive index adjusting unit, and the gears of the refractive index adjusting unit are gradually increased from low gears to high gears.

4. The vision control-based vehicle-mounted intelligent sun visor system of claim 1, wherein: the visual sensing unit, the control unit, the light intensity sensing unit and the refractive index adjusting unit are all integrated on the system unit (2).

5. The vision control-based vehicle-mounted intelligent sun visor system of claim 1, wherein: the sun visor (1) is: a light-transmitting member;

the light-transmitting part is combined by three layers of media, the outer layers on the two sides are transparent material layers (4), and the inner cladding is a color-changing material layer (5).

6. The vision control-based vehicle-mounted intelligent sun visor system of claim 5, wherein: the transparent material layer (4) is: silica or resin.

7. The vision control-based vehicle-mounted intelligent sun visor system of claim 5, wherein: the color-changing material layer (5) is: and 4, violet compass essence.

8. The vision control-based vehicle-mounted intelligent sun visor system of claim 1, wherein: the visual sensing unit is as follows: a plurality of image sensors (6).

9. The vision control-based in-vehicle smart visor system of claim 8, wherein: the plurality of camera sensors (6) are configured to: recognizing the face dynamic state, locking two eyes and a mouth, and determining three-point coordinates by the two eyes and the mouth;

when the three-point coordinates of the user are changed, the control unit transmits the control information to the refractive index adjusting unit.

10. A sun-shading method using the vision control based intelligent sun visor system of any one of claims 1 to 9, characterized by comprising the steps of:

s1, the control unit controls the vertical moving mechanism (3) to turn over the sun shield (1) and open the sun shield (1);

s2, recognizing the face dynamic state by the visual sensing unit, recognizing the current demand state of the user in real time according to the face dynamic state of the user, analyzing whether the current environment light source is appropriate or not, and transmitting the demand state information to the control unit in real time;

meanwhile, the light intensity sensing unit acquires light source information and transmits the light source information to the control unit;

s3, the control unit analyzes and compares the light source information transmitted by the light intensity sensing unit with the demand information transmitted by the visual sensing unit in real time, and transmits the control information to the refractive index adjusting unit;

s4, the refractive index adjusting unit changes the transmission coefficient of the sun visor (1) in real time according to the control information transmitted by the control unit;

s5, when the current environmental light source is not appropriate, returning to the step S2;

when the current environment light source is appropriate, the control unit controls the refractive index adjusting unit to keep the transmission coefficient of the sun shield (1).

Background

The intelligent device of present day is very many units, through carrying out intelligent transformation to current device, can effectively promote the efficiency and the quality of current device. Among them, vehicle-mounted intellectualization has become an important development direction. In a plurality of vehicle-mounted intelligent lifting directions, the sun visor serving as an essential component is not greatly improved, and the past sun visor design has no other intelligent lifting on the whole except for the application of increasing storage space and light and the like. In addition to this, while using sun visors, there are also: the problem of obstructing the driving sight. Therefore, it is an important research direction to provide a good sun visor capable of achieving both the sun shading effect and the intellectualization.

Disclosure of Invention

In order to improve the intellectualization of the sun visor, the application provides a vehicle-mounted intelligent sun visor system based on visual control and a sun-shading method, and the specific technical scheme is as follows:

a vision control-based vehicle-mounted intelligent sun visor system comprises: the device comprises a sun shield 1, a system unit 2, a vertical moving mechanism 3 and a power supply unit;

the system unit 2 includes: the device comprises a visual sensing unit, a control unit, a light intensity sensing unit (light intensity sensor) and a refractive index adjusting unit;

the power supply unit is connected with the visual sensing unit, the control unit, the light intensity sensing unit, the refractive index adjusting unit and the vertical moving mechanism 3;

the light intensity sensing unit is connected with the control unit; the control unit is connected with the refractive index adjusting unit; the visual sensing unit is connected with the control unit; the refractive index adjusting unit is connected with the sun shield 1, and the vertical moving mechanism 3 is connected with the control unit;

a vertical movable mechanism 3 is arranged at the vertical edge of the sun shield 1;

a system unit 2 is arranged at the horizontal upper edge of the sun visor 1;

the light intensity sensing unit is used for: acquiring light source information and transmitting the light source information to a control unit;

the vision sensing unit is used for: identifying the face dynamic state, locking the full face form, identifying the current demand state of the user in real time according to the face dynamic state of the user, analyzing whether the current ambient light source is appropriate or not, and transmitting the demand state information to the control unit in real time;

the control unit is used for:

analyzing and comparing the light source information transmitted by the light intensity sensing unit with the demand information transmitted by the visual sensing unit in real time, and transmitting control information to the refractive index adjusting unit;

secondly, the vertical moving mechanism 3 is controlled to turn over the sun shield 1, so that the sun shield 1 is opened or closed;

the refractive index adjusting unit is configured to: changing the transmission coefficient (transmissivity variable, transmissivity coefficient, transmission number intensity, transmissivity for short) of the sun visor 1 in real time according to the control information transmitted by the control unit;

the vertical moving mechanism 3 is used for: the vertical turning movement of the sun shield 1 is realized;

the power supply unit is used for: and power is supplied to the visual sensing unit, the control unit, the light intensity sensing unit, the refractive index adjusting unit and the vertical moving mechanism 3.

On the basis of the technical scheme, the control unit converts the analysis and comparison result into a voltage value; the control information is the voltage value.

On the basis of the technical scheme, the refractive index adjusting unit is provided with gears, and the voltage value gradually rises from low voltage to high voltage along with the transmission of the control unit to the refractive index adjusting unit, and the gears of the refractive index adjusting unit gradually rise from low gears to high gears.

On the basis of the above technical solution, the vision sensing unit, the control unit, the light intensity sensing unit and the refractive index adjusting unit are all integrated on the system unit 2.

On the basis of the above technical solution, the sun visor 1 is: a light-transmitting member;

the light-transmitting part is combined by three layers of media, the outer layers on two sides are transparent material layers 4, and the inner cladding is a color-changing material layer 5; when the color-changing material layer 5 obtains energy (such as electric energy, heat energy and the like), the color-changing material layer 5 changes the relation between the arrangement structure and the density, so that the medium refractive index of the color-changing material layer 5 is changed, and the performance of transmitted light can be reduced or improved through the change of the medium refractive index, thereby realizing the application function of shading strength.

On the basis of the above technical solution, the transparent material layer 4 is: silica, resin, or the like.

On the basis of the above technical scheme, the color-changing material layer 5 is: viologen and the like.

On the basis of the technical scheme, the visual sensing unit comprises: several camera sensors 6.

On the basis of the above technical solution, the plurality of image sensors 6 are configured to: recognizing the face dynamic state, locking two eyes and a mouth, and determining three-point coordinates by the two eyes and the mouth;

when the three-point coordinates of the user are changed, the control unit transmits the control information to the refractive index adjusting unit.

A sun shading method applying the system comprises the following steps:

s1, the control unit controls the vertical moving mechanism 3 to turn over the sun shield 1 and open the sun shield 1;

s2, recognizing the face dynamic state by the visual sensing unit, recognizing the current demand state of the user in real time according to the face dynamic state of the user, analyzing whether the current environment light source is appropriate or not, and transmitting the demand state information to the control unit in real time;

meanwhile, the light intensity sensing unit acquires light source information and transmits the light source information to the control unit;

s3, the control unit analyzes and compares the light source information transmitted by the light intensity sensing unit with the demand information transmitted by the visual sensing unit in real time, and transmits the control information to the refractive index adjusting unit;

s4, the refractive index adjusting unit changes the transmission coefficient of the sun visor 1 in real time according to the control information transmitted by the control unit;

s5, when the current environmental light source is not appropriate, returning to the step S2;

when the current environment light source is appropriate, the control unit controls the refractive index adjusting unit to keep the transmission coefficient of the sun shield 1.

The invention has the following beneficial technical effects:

1. the sun visor system of the present application automatically adjusts the refractive index of the sun visor 1;

2. the sun visor system of the present application preserves the driver's line of sight;

3. the sun visor system is highly integrated, light in weight and thin in thickness.

Drawings

The invention has the following drawings:

FIG. 1 is a block diagram schematically illustrating the structure of a vision control based vehicle-mounted intelligent sun visor system;

fig. 2 is a schematic view of the installation structure of the sun visor 1, the system unit 2 and the vertical movement mechanism 3;

fig. 3 is a schematic structural view of the sun visor 1;

FIG. 4 is a schematic diagram of the principle of recognizing three-point coordinates using the camera sensor 6;

FIG. 5 is a graph illustrating transmittance versus shift and control unit voltage.

Reference numerals:

1. a sun visor; 2. a system unit; 3. a vertical moving mechanism; 4. a layer of transparent material; 5. a color-changing material layer; 6. an image sensor.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.

The invention discloses a vehicle-mounted intelligent sun shield system based on visual control and a sun shield method, which realize the sun shield function of an intelligent sun shield by recognizing the face dynamic. The visual sensing unit identifies the current demand state of the user and analyzes whether the current ambient light source is appropriate. The vision sensing unit sends the data to the control unit for analysis, compares the data with the light source acquired by the light intensity sensor, and finally sends control information to the refractive index adjusting unit to change the transmission coefficient of the sun visor 1.

Fig. 1 is a block diagram schematically illustrating a structure of a vehicle-mounted intelligent sun visor system based on visual control. The control unit analyzes the comprehensive information of each sensor (including the visual sensing unit and the light intensity sensing unit), converts the comprehensive information into a voltage value, controls the refractive index adjusting unit and changes the variable of the transmissivity. All sensors are integrated on the system unit 2 and a vertical moving mechanism 3 is installed at the edge to realize the vertical turning movement of the sun visor 1, as shown in fig. 2.

As shown in fig. 3, the sun visor 1 is a transparent member, and is formed by combining three layers of media, wherein the outer layers on both sides are transparent media (silica, resin, or the like), and the inner cladding is a color-changing material (viologen or the like). When the color-changing material obtains energy (such as electric energy, heat energy and the like), the color-changing material changes the relation between the arrangement structure and the density, so that the medium refractive index of the color-changing material is changed. The performance of transmitted light can be reduced or improved by changing the refractive index of the medium, so that the function of shading sunlight is realized.

As shown in fig. 4, the system unit 2 includes one or more camera sensors 6 that can recognize facial dynamics and lock the eyes and mouth. Determining three-point coordinates of eyes and a mouth; when the coordinates of the three points of the user are changed, the control unit analyzes the three points and converts the analysis data into a control command, thereby changing the transmittance coefficient of the sun visor 1.

As shown in fig. 5, a graph is shown representing the transmittance versus system variable. The gear position is expressed as the transmission number intensity of the sun visor 1, the higher the gear position is, the lower the transmittance is, and the voltage coefficient given by the control unit is in direct proportion to the gear position.

Key points and points to be protected of the patent

1. Automatically adjusting the refractive index of the sun visor 1;

2. the sight range of the driver is reserved;

3. the weight and thickness of the sun visor 1 are reduced.

It is to be understood that the foregoing description of the embodiments of the present invention is provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.

Those not described in detail in this specification are within the knowledge of those skilled in the art.