CN111031644A

CN111031644A - System capable of self-adaptively adjusting brightness according to external environment

Info

Publication number: CN111031644A
Application number: CN201911271961.5A
Authority: CN
Inventors: 许海明
Original assignee: Jiangsu Hehong Communication Technology Co Ltd
Current assignee: Jiangsu Hehong Communication Technology Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-04-17

Abstract

The invention discloses a system capable of adaptively adjusting brightness according to an external environment, which relates to the technical field of vehicle lighting systems, in particular to a system capable of adaptively adjusting brightness according to an external environment, and comprises a main control module. The brightness system capable of being adjusted in a self-adaptive mode according to the external environment receives multi-aspect data of the vehicle-mounted sensor group through the main control module, integrates the acquired data, calculates and transmits signals to the right controller and the left controller, and the right controller and the left controller respectively control the horizontal stepping motor, the vertical stepping motor and the light source to adjust the horizontal angle, the vertical distance and the illumination intensity of the headlamp body, so that the brightness and the position of the headlamp body can be automatically adjusted, the illumination effect of the headlamp body is improved, glare hazards to other vehicle drivers are reduced through automatic switching of the illumination intensity, and the driving safety is improved.

Description

System capable of self-adaptively adjusting brightness according to external environment

Technical Field

The invention relates to the technical field of vehicle lighting systems, in particular to a system capable of adaptively adjusting brightness according to an external environment.

Background

In the high-speed development stage of economy in China, the living standard of people is continuously improved, the automobile retention amount shows the trend of blowout type development, and more passenger cars enter thousands of households. One of the negative effects that follows is that the incidence and incidence of road traffic accidents is always high. According to statistics, most road traffic accidents occur at night, and one important factor causing the above conditions is that the road illumination at night influences the visual field range of a driver, the glare problem caused by accumulated water on the road surface in rainy weather, the problem of insufficient side illumination of an automobile and the condition of insufficient illumination of the inner side of a curve when the automobile turns. At present, most of vehicle headlamps are adjusted manually and cannot be automatically adjusted according to the brightness of the current environment, and the positions of the headlamps of the vehicle, such as the height and the angle of the headlamps, cannot be adjusted in real time according to the running state of the current vehicle, so that the headlamps cannot have a better lighting effect.

Disclosure of Invention

In view of the deficiencies of the prior art, the present invention provides a system for adaptively adjusting brightness according to the external environment, which solves the problems mentioned in the background art.

In order to achieve the purpose, the invention is realized by the following technical scheme: a system capable of self-adaptively adjusting brightness according to external environment comprises a main control module, wherein a receiving end of the main control module is electrically connected with a vehicle-mounted sensor group, the output end of the main control module is connected with a right controller and a left controller, the right controller and the left controller both comprise a horizontal stepping motor and a vertical stepping motor, a bracket is fixedly connected with the rotating shaft of the horizontal stepping motor, a headlamp body is fixedly sleeved in the middle of the bracket, the bottom of the bracket is provided with a mounting box body, the horizontal stepping motor is fixedly arranged in the mounting box body, the outer wall above the bracket is provided with a manual regulator, the outer wall of the horizontal stepping motor is provided with a rack and a wheel, the surface of the rack and pinion is engaged with a gear, a vertical stepping motor is fixedly sleeved outside the gear, and one end of the vertical stepping motor, which is far away from the gear, is fixedly connected with a mounting rack.

Optionally, a guide rail is slidably sleeved on the side surface of the installation box body, and the guide rail is fixedly installed on the outer wall of the installation frame.

Optionally, the vehicle-mounted sensor group includes a vehicle speed sensor, a vehicle height sensor, a gyroscope sensor, an ambient light sensor, a rainfall sensor and a steering wheel angle sensor, the vehicle speed sensor is fixedly installed at a wheel axle of the vehicle, the vehicle height sensor is fixedly installed on a connecting mechanism between a vehicle body and a chassis of the vehicle, the gyroscope sensor is fixedly installed at a headlamp of the vehicle, the ambient light sensor is fixedly installed on a front windshield of the vehicle, the rainfall sensor is fixedly installed in the front windshield of the vehicle, and the steering wheel angle sensor is fixedly installed in a steering column below a steering wheel of the vehicle.

Optionally, the upper and lower inner walls of the headlamp body are respectively provided with an upper light screen and a lower light screen, and the upper light screen and the lower light screen are rotatably connected to the inner wall of the headlamp body.

Optionally, a light source is fixedly installed in the middle of one end of the headlamp body, and the upper light shielding plate and the lower light shielding plate are symmetrically distributed on two sides of the light source.

Optionally, the length of the distance that the front lamp body can vertically move is consistent with the length of the gear rack, and the rotatable angle range of the front lamp body is positive ninety degrees to negative ninety degrees.

Optionally, a rotating shaft of the horizontal stepping motor penetrates through the top of the installation box and is fixedly connected with the outer wall of the bottom surface of the support, and the support rotates along the surface of the installation box.

Optionally, the number of the manual regulators is two, the manual regulators are respectively fixedly connected with two side walls above the support, the support is shaped like a Chinese character 'hui', and the headlamp body is fixedly installed in the middle of the support.

The invention provides a system capable of adaptively adjusting brightness according to an external environment, which has the following beneficial effects:

1. the brightness system capable of being adjusted in a self-adaptive mode according to the external environment receives multi-aspect data of the vehicle-mounted sensor group through the main control module, integrates the acquired data, calculates and transmits signals to the right controller and the left controller, and the right controller and the left controller respectively control the horizontal stepping motor, the vertical stepping motor and the light source to adjust the horizontal angle, the vertical distance and the illumination intensity of the headlamp body, so that the brightness and the position of the headlamp body can be automatically adjusted, the illumination effect of the headlamp body is improved, glare hazards to other vehicle drivers are reduced through automatic switching of the illumination intensity, and the driving safety is improved.

2. The brightness system capable of being adjusted in a self-adaptive mode according to the external environment has the advantages that the manual adjuster is arranged above the support, so that the device has two functions of manual adjustment and automatic adjustment, the position of the headlamp body can be adjusted manually when the automatic function fails, and the flexibility of operation of the device is greatly improved.

2. The brightness system can be adjusted in a self-adaptive mode according to the external environment, various illumination modes of the headlamp body are designed by utilizing data of the vehicle speed sensor, the ambient light sensor and the rainfall sensor, and can be automatically switched to the corresponding illumination modes in different environments and driving states, so that a better illumination effect is provided for a driver, the driving safety is greatly improved, and the life and property safety of the driver is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a control block diagram of the present invention;

FIG. 4 is a flow chart of the system of the present invention.

In the figure: 1. a main control module; 2. a vehicle-mounted sensor group; 201. a vehicle speed sensor; 202. a body height sensor; 203. a gyroscope sensor; 204. an ambient light sensor; 205. a rainfall sensor; 206. a steering wheel angle sensor; 3. a right controller; 4. a left controller; 5. a headlamp body; 501. an upper visor; 502. a lower visor; 6. a support; 7. installing a box body; 8. a horizontal stepping motor; 9. a rack and pinion; 10. a vertical stepper motor; 11. a gear; 12. a manual adjuster; 13. a guide rail; 14. and (7) mounting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a brightness system capable of self-adapting and adjusting according to external environment comprises a main control module 1, a receiving end of the main control module 1 is electrically connected with a vehicle-mounted sensor group 2, the vehicle-mounted sensor group 2 comprises a vehicle speed sensor 201, a vehicle body height sensor 202, a gyroscope sensor 203, an ambient light sensor 204, a rainfall sensor 205 and a steering wheel corner sensor 206, the vehicle speed sensor 201 is fixedly arranged at a wheel axle of a vehicle, the vehicle body height sensor 202 is fixedly arranged on a connecting mechanism of a vehicle body and a chassis of the vehicle, the vehicle body height sensor 202 is used for measuring a wheel speed signal or a rotating speed signal of a gearbox, the vehicle speed signal is obtained by adopting a vehicle CAN bus after being processed by an ECU because the rotating speeds of four wheels of the vehicle are different, the gyroscope sensor 203 is fixedly arranged at a vehicle headlamp, and the turning radius of the vehicle is obtained by utilizing the, therefore, the rotation angle of the horizontal stepping motor 8 is calculated according to the turning radius and the vehicle speed measured by the vehicle speed sensor 201, the ambient light sensor 204 is fixedly installed on the front windshield of the vehicle, the ambient light sensor 204 is used for sensing the change of the ambient illumination condition outside the vehicle at any time, the rainfall sensor 205 is fixedly installed in the front windshield of the vehicle, the rainfall sensor 205 can automatically detect the rainfall intensity, the rotation of the vertical stepping motor 10 is adjusted according to the rainfall intensity to achieve the purpose of adjusting the height of the headlamp body 5, the steering wheel corner sensor 206 is fixedly installed in a steering column below a steering wheel of the vehicle to achieve the function of adjusting the disposal angle of the headlamp body 5 according to the pitching angle of the vehicle body, the output end of the main control module 1 is connected with the right controller 3 and the left controller 4, the right controller 3 and the left controller 4 both comprise the horizontal stepping motor 8 and the vertical stepping motor 10, the rotating shaft of the horizontal stepping motor 8 penetrates through the top of the mounting box body 7 and is fixedly connected with the outer wall of the bottom surface of the support 6, the support 6 rotates along the surface of the mounting box body 7, the support 6 is used for fixing the headlamp body 5 to ensure the stability of the headlamp body 5, the rotating shaft of the horizontal stepping motor 8 is fixedly connected with the support 6, the headlamp body 5 is fixedly sleeved in the middle of the support 6, an upper light screen 501 and a lower light screen 502 are respectively arranged on the upper inner wall and the lower inner wall of the headlamp body 5, the upper light screen 501 and the lower light screen 502 are rotatably connected on the inner wall of the headlamp body 5, when the upper light screen 501 and the lower light screen 502 are both kept horizontal, the upper light screen 501 is kept horizontal, when the lower light screen 502 rotates upwards, the upper light screen 501 rotates downwards, when the lower light screen 502 rotates upwards, the lower light screen 502 is in, the upper light screen 501 and the lower light screen 502 are symmetrically distributed on two sides of the light source, the illumination mode of the headlamp body 5 is adjusted through the rotation of the upper light screen 501 and the lower light screen 502, the bottom of the bracket 6 is provided with an installation box body 7, the side surface of the installation box body 7 is sleeved with a guide rail 13 in a sliding manner, the guide rail 13 is used for fixedly installing the moving direction of the box body 7, the stability of the installation box body 7 in the moving process is improved, the guide rail 13 is fixedly installed on the outer wall of the installation frame 14, the installation frame 14 is a part on the vehicle where the whole headlamp body 5 system can be installed and is used for fixing the device, the horizontal stepping motor 8 is fixedly installed inside the installation box body 7, the outer wall above the bracket 6 is provided with manual regulators 12, the manual regulators 12 are two and are respectively and fixedly connected with two side walls above the bracket 6, the manual regulators, the flexibility of the device is improved, the bracket 6 is in a shape of Chinese character 'hui', the headlamp body 5 is fixedly arranged in the middle of the bracket 6, the outer wall of the horizontal stepping motor 8 is provided with a rack 9, the length of the distance that the headlamp body 5 can vertically move is consistent with the length of the rack 9, the rotatable angle range of the headlamp body 5 is from positive ninety degrees to negative ninety degrees, the rotating radius of the vehicle is obtained through calculation of the main control module 1 according to the data of the gyroscope sensor 203 and the vehicle speed sensor 201, so that the angle that the headlamp body 5 should rotate is calculated, the horizontal stepping motor 8 is driven to rotate, the surface of the rack 9 is meshed with a gear 11, the vertical stepping motor 10 is fixedly sleeved outside the gear 11, the mounting frame 14 is fixedly connected to one end of the vertical stepping motor 10 far away from the gear 11, as shown in the flow of the system according to figure 4, the horizontal adjustment distance of the headlamp body 5 is calculated according to the data, the illumination intensity of the light source is adjusted according to the data of the vehicle speed sensor 201 and the ambient light sensor 204, the adjustment distance in the vertical direction of the headlamp body 5 is calculated according to the vehicle speed sensor 201, the vehicle height sensor 202 and the rainfall sensor 205, the illumination intensity of the vehicle is calculated according to the data of the vehicle speed sensor 201, and the adjustment distance includes a basic mode, an urban road mode and an expressway mode, and finally, the horizontal adjustment angle of the headlamp body 5 is adjusted by the horizontal stepping motor 8, the vertical adjustment distance of the headlamp body 5 is adjusted by the vertical stepping motor 10, and the illumination intensity is adjusted according to the intensity of the light source.

In summary, the system for adaptively adjusting brightness according to the external environment is used, wherein the vehicle speed sensor 201, the body height sensor 202, the gyroscope sensor 203, the ambient light sensor 204, the rainfall sensor 205 and the steering wheel angle sensor 206 respectively transmit the measured data to the main control module 1, then the main control module 1 determines the illumination mode required by the vehicle according to the obtained data to drive the upper light shield 501 and the lower light shield 502 to operate, and the horizontal stepping motor 8 to rotate, the main control module 1 calculates the required illumination distance of the headlamp body 5 of the vehicle according to the data of the vehicle speed sensor 201, the body height sensor 202 and the rainfall sensor 205 to drive the vertical stepping motor 10 to rotate, so that the headlamp body 5 moves in the vertical direction, and finally, calculates the light intensity of the light source according to the data of the vehicle speed sensor 201 and the ambient light sensor 204, and (4) finishing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A system for adaptively adjusting brightness according to an external environment, comprising a main control module (1), characterized in that: the receiving end electric connection of main control module (1) has on-vehicle sensor group (2), the output of main control module (1) is connected with right controller (3) and left controller (4), right controller (3) and left controller (4) all include horizontal stepper motor (8) and perpendicular stepper motor (10), the pivot fixedly connected with support (6) of horizontal stepper motor (8), the middle fixed cover of support (6) has connect front lamp body (5), the bottom of support (6) is provided with installation box (7), horizontal stepper motor (8) fixed mounting is in the inside of installation box (7), the outer wall of support (6) top is provided with manual regulator (12), the outer wall of horizontal stepper motor (8) is provided with rack (9), the surface meshing of rack (9) has gear (11), the external fixation of gear (11) has cup jointed perpendicular step motor (10), one end fixedly connected with mounting bracket (14) that gear (11) were kept away from to perpendicular step motor (10).

2. The system of claim 1, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the side surface of the installation box body (7) is sleeved with a guide rail (13) in a sliding mode, and the guide rail (13) is fixedly installed on the outer wall of the installation frame (14).

3. The system of claim 1, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the vehicle-mounted sensor group (2) comprises a vehicle speed sensor (201), a vehicle body height sensor (202), a gyroscope sensor (203), an ambient light sensor (204), a rainfall sensor (205) and a steering wheel angle sensor (206), wherein the vehicle speed sensor (201) is fixedly installed at a wheel axle of a vehicle, the vehicle body height sensor (202) is fixedly pressed on a connecting mechanism of a vehicle body and a chassis of the vehicle, the gyroscope sensor (203) is fixedly installed at a headlamp of the vehicle, the ambient light sensor (204) is fixedly installed on a front windshield of the vehicle, the rainfall sensor (205) is fixedly installed in the front windshield of the vehicle, and the steering wheel angle sensor (206) is fixedly installed in a steering column below a steering wheel of the vehicle.

4. The system of claim 1, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the upper inner wall and the lower inner wall of the headlamp body (5) are respectively provided with an upper light shielding plate (501) and a lower light shielding plate (502), and the upper light shielding plate (501) and the lower light shielding plate (502) are rotatably connected to the inner wall of the headlamp body (5).

5. The system of claim 4, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the middle part of one end of the headlamp body (5) is fixedly provided with a light source, and the upper light shielding plate (501) and the lower light shielding plate (502) are symmetrically distributed on two sides of the light source.

6. The system of claim 1, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the distance length that the head lamp body (5) can vertically move is consistent with the length of the gear teeth bar (9), and the rotatable angle range of the head lamp body (5) is positive ninety degrees to negative ninety degrees.

7. The system of claim 1, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the rotating shaft of the horizontal stepping motor (8) penetrates through the top of the mounting box body (7) and is fixedly connected with the outer wall of the bottom surface of the support (6), and the support (6) rotates along the surface of the mounting box body (7).

8. The system of claim 1, wherein the system is adapted to adjust the brightness according to the external environment, and comprises: the quantity of manual regulation ware (12) is two and respectively with the both sides wall fixed connection above support (6), support (6) are back the font, the middle part at support (6) is fixed mounting to the head-light body (5).