CN113212308A - Night driving assisting method and system - Google Patents
Night driving assisting method and system Download PDFInfo
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- CN113212308A CN113212308A CN202110604707.3A CN202110604707A CN113212308A CN 113212308 A CN113212308 A CN 113212308A CN 202110604707 A CN202110604707 A CN 202110604707A CN 113212308 A CN113212308 A CN 113212308A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/106—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using night vision cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8053—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for bad weather conditions or night vision
Abstract
The application relates to a night driving auxiliary method and a night driving auxiliary system, which relate to the technical field of driving auxiliary, the method is based on an infrared night vision system, the infrared night vision system comprises an infrared light supplement lamp, a night vision camera and a night vision controller, and the method comprises the following steps: monitoring whether a headlamp of a target vehicle is turned on, if so, controlling an infrared light supplement lamp to irradiate infrared light in front of the vehicle by a night vision controller; controlling a night vision camera to receive reflected infrared light, and performing photoelectric conversion to obtain an original night vision image; the night vision controller receives the original night vision image and displays the original night vision image through a preset display device. This application utilizes infrared light technique to survey vehicle the place ahead to infrared light to reflecting back shows, so that provide better driving view for the driver at night, thereby drive for night and provide the safety guarantee.
Description
Technical Field
The application relates to the technical field of night driving, in particular to a night driving assisting method and system.
Background
With the increase of the automobile keeping quantity year by year, automobile safety accidents are more and more, the automobile safety accidents have subjective reasons, such as illegal driving and dangerous driving, and objective reasons, such as vehicle performance reduction and unexpected failure of vehicle components. Because the objective reason that the field of vision is short night and the subjective reason that the car meet the vehicle-hour and use light nonstandard, can all lead to night driving accident to take place the probability and be higher than the driving in the daytime far away, in addition under the bad weather of sleet fog, visibility reduces, also can increase the emergence of driving safety accident.
According to statistics, the night driving time accounts for about one fourth of the total driving time of the automobile, but the occurrence rate of the traffic accidents at night is about 55%, and 69% of fatal accidents occur at night. Even if the L2-level advanced driving assistance system is provided, the forward-looking camera may not be able to effectively recognize the pedestrian ahead under night light, and may not be able to normally perform the functions of forward collision warning and automatic emergency braking. Driving night, mainly being close to vehicle passing light and passing light illumination place ahead road, the general irradiation range of vehicle passing light is vehicle place ahead 30m, and the general irradiation range of vehicle high beam is vehicle place ahead 60m, but under the meeting circumstances, the use high beam in violation of rules and regulations can cause the driver to dazzle, causes dangerous situation more easily.
In order to provide a driver with a better driving view at night, a night driving assistance technology is now provided.
Disclosure of Invention
The application provides a night driving auxiliary method and system, utilizes infrared light technique to survey vehicle the place ahead to infrared light to reflecting back shows, so that provide better driving view for the driver at night, thereby drive for night and provide the safety guarantee.
In a first aspect, the present application provides a night driving assisting method, the method is based on an infrared night vision system, the infrared night vision system includes an infrared fill light, a night vision camera and a night vision controller, and the method includes the following steps:
monitoring whether a headlamp of a target vehicle is turned on, if so, controlling an infrared light supplement lamp to irradiate infrared light in front of the vehicle by the night vision controller;
controlling a night vision camera to receive reflected infrared light, and performing photoelectric conversion to obtain an original night vision image;
and the night vision controller receives the original night vision image and displays the original night vision image through a preset display device.
It should be noted that, specifically, the night vision controller may monitor whether the headlight of the target vehicle is turned on, may monitor whether a headlight turn-on signal is present, or may monitor whether the headlight is in a working state.
The method and the device have the advantages that the infrared ray technology is utilized to detect the front of the vehicle, and the reflected infrared ray is displayed, so that a better driving view is provided for a driver at night, and safety guarantee is provided for night driving;
in addition, when promoting driver night driving visual distance, improve night driving safety, reduce infrared light filling lamp and open the frequency, reduce the whole car energy resource consumption of unnecessary.
The problem that this application needs to solve is:
when a target vehicle drives at night, the visibility distance of a driver is only about 60m even with the assistance of a dipped headlight and a high beam due to dark illumination at night, and particularly when the vehicle meets, the visibility distance is shorter, so that the safety of driving at night is seriously influenced, and the reason that the driving accident rate at night is far higher than the driving accident rate at day time is also shown from the practical accident statistical result;
the method mainly applies an active infrared night vision imaging principle, an infrared light supplement lamp emits infrared light to irradiate a front target, a night vision camera receives the infrared light reflected by the target, photoelectric conversion is carried out, the acquisition of original data of an active infrared night vision image is completed, and then the original data is processed at the back end of the image through a night vision controller and is transmitted to a display device for display;
in addition, the night vision controller can also perform image recognition by utilizing an artificial intelligence recognition technology based on original image data input by the night vision camera, when a collision risk between a pedestrian and a vehicle in front is recognized, a driver can be prompted through a sound and image alarm device, and the night vision controller can control the infrared light supplement lamp to be turned on and off and dynamically adjust the working power of the infrared light supplement lamp based on a driving state so as to achieve a better imaging effect;
furthermore, the night vision controller can monitor the running information of the whole vehicle in real time or periodically according to requirements so as to adjust a system control strategy, can monitor the running state of the system and can inform a driver of the running state of the system in time through the display alarm device.
Further, the method comprises the following steps:
receiving the whole vehicle running information of the target vehicle;
generating a vehicle front alarm signal according to the vehicle running information of the whole vehicle and the original night vision image;
the whole vehicle running information comprises a whole vehicle braking signal, a whole vehicle gear signal, a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal.
Further, the method comprises the following steps:
and analyzing the power supply state signal of the whole vehicle, and adjusting the output power of the infrared light supplement lamp.
Further, the method comprises the following steps:
and responding to the alarm signal in front of the vehicle to perform sound and light alarm.
Further, the method comprises the following steps:
and detecting whether the current moment is the night moment or not, and if so, sending a headlamp opening signal.
In a second aspect, the present application provides a night driving assistance system, the system comprising:
the infrared light supplement lamp is used for irradiating infrared light to the front of the vehicle;
the night vision camera is used for receiving the reflected infrared light and performing photoelectric conversion to obtain an original night vision image;
the night vision controller is used for monitoring whether a headlamp of a target vehicle is turned on or not, sending a lamplight turning-on signal to the infrared light supplement lamp if the headlamp is turned on, and receiving the original night vision image;
a display device for displaying the original night vision image sent by the night vision controller.
It should be noted that, specifically, the night vision controller may monitor whether the headlight of the target vehicle is turned on, may monitor whether a headlight turn-on signal is present, or may monitor whether the headlight is in a working state.
The method and the device have the advantages that the infrared ray technology is utilized to detect the front of the vehicle, and the reflected infrared ray is displayed, so that a better driving view is provided for a driver at night, and safety guarantee is provided for night driving;
in addition, when promoting driver night driving visual distance, improve night driving safety, reduce infrared light filling lamp and open the frequency, reduce the whole car energy resource consumption of unnecessary.
The problem that this application needs to solve is:
when a target vehicle drives at night, the visibility distance of a driver is only about 60m even with the assistance of a dipped headlight and a high beam due to dark illumination at night, and particularly when the vehicle meets, the visibility distance is shorter, so that the safety of driving at night is seriously influenced, and the reason that the driving accident rate at night is far higher than the driving accident rate at day time is also shown from the practical accident statistical result;
the method mainly applies an active infrared night vision imaging principle, an infrared light supplement lamp emits infrared light to irradiate a front target, a night vision camera receives the infrared light reflected by the target, photoelectric conversion is carried out, the acquisition of original data of an active infrared night vision image is completed, and then the original data is processed at the back end of the image through a night vision controller and is transmitted to a display device for display;
in addition, the night vision controller can also perform image recognition by utilizing an artificial intelligence recognition technology based on original image data input by the night vision camera, when a collision risk between a pedestrian and a vehicle in front is recognized, a driver can be prompted through a sound and image alarm device, and the night vision controller can control the infrared light supplement lamp to be turned on and off and dynamically adjust the working power of the infrared light supplement lamp based on a driving state so as to achieve a better imaging effect;
furthermore, the night vision controller can monitor the running information of the whole vehicle in real time or periodically according to requirements so as to adjust a system control strategy, can monitor the running state of the system and can inform a driver of the running state of the system in time through the display alarm device.
Furthermore, the night vision controller is also used for receiving the whole vehicle running information of the target vehicle and generating a vehicle front warning signal according to the whole vehicle running information and the original night vision image; wherein the content of the first and second substances,
the whole vehicle running information comprises a whole vehicle braking signal, a whole vehicle gear signal, a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal.
Furthermore, the night vision controller is also used for analyzing the power supply state signal of the whole vehicle and adjusting the output power of the infrared light supplement lamp.
Further, the system also comprises an audible and visual alarm;
and the audible and visual alarm is used for responding the alarm signal in front of the vehicle and giving audible and visual alarm.
Furthermore, the night vision controller is also used for detecting whether the current moment is the night moment or not, and if the current moment is the night moment, a headlamp opening signal is sent out.
The beneficial effect that technical scheme that this application provided brought includes:
this application utilizes infrared light technique to survey vehicle the place ahead to infrared light to reflecting back shows, so that provide better driving view for the driver at night, thereby drive for night and provide the safety guarantee.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart illustrating steps of a method for assisting night driving provided in an embodiment of the present application;
FIG. 2 is a schematic flow chart of a night driving assistance method provided in an embodiment of the present application;
fig. 3 is an operation flowchart of a first flowchart of a night driving assistance method provided in an embodiment of the present application;
fig. 4 is an operation flowchart of a second flowchart of the night driving assistance method provided in the embodiment of the present application;
fig. 5 is an operation flowchart of a third flow of the night driving assistance method provided in the embodiment of the present application;
fig. 6 is an operation flowchart of a fourth flow of the night driving assistance method provided in the embodiment of the present application;
fig. 7 is an operation flowchart of a fifth flowchart of the night driving assistance method provided in the embodiment of the present application;
FIG. 8 is a schematic control logic diagram of a night driving assistance method provided in an embodiment of the present application;
fig. 9 is a block diagram of a night driving assistance device provided in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The embodiment of the application provides a night driving auxiliary method and system, which are used for detecting the front of a vehicle by using an infrared light technology and displaying reflected infrared light, so that a better driving view is provided for a driver at night, and safety guarantee is provided for night driving.
In order to achieve the technical effects, the general idea of the application is as follows:
a night driving auxiliary method is based on an infrared night vision system, the infrared night vision system comprises an infrared light supplement lamp, a night vision camera and a night vision controller, and the night driving auxiliary method comprises the following steps:
s1, monitoring whether the headlight of the target vehicle is turned on, if so, controlling the infrared light supplement lamp to irradiate infrared light in front of the vehicle by the night vision controller;
s2, controlling the night vision camera to receive reflected infrared light, and performing photoelectric conversion to obtain an original night vision image;
and S3, the night vision controller receives the original night vision image and displays the original night vision image through a preset display device.
Embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
In a first aspect, referring to fig. 1 to 8, an embodiment of the present application provides a night driving assisting method, based on an infrared night vision system, where the infrared night vision system includes an infrared fill light, a night vision camera, and a night vision controller, and includes the following steps:
s1, monitoring whether the headlight of the target vehicle is turned on, if so, controlling the infrared light supplement lamp to irradiate infrared light in front of the vehicle by the night vision controller;
s2, controlling the night vision camera to receive reflected infrared light, and performing photoelectric conversion to obtain an original night vision image;
and S3, the night vision controller receives the original night vision image and displays the original night vision image through a preset display device.
In step S1, it may be specifically monitored by the night vision controller whether the headlights of the target vehicle are turned on, whether a headlight turn-on signal is present, or whether the headlights are in an operating state.
The embodiment of the application utilizes an infrared ray technology to detect the front of the vehicle and display the reflected infrared ray so as to provide a better driving view for a driver at night and provide safety guarantee for night driving;
in addition, when promoting driver night driving visual distance, improve night driving safety, reduce infrared light filling lamp and open the frequency, reduce the whole car energy resource consumption of unnecessary.
According to statistics, the night driving time accounts for about one fourth of the total driving time of the automobile, but the occurrence rate of the traffic accidents at night is about 55%, and 69% of fatal accidents occur at night. Even if the L2-level advanced driving assistance system is provided, the forward-looking camera may not be able to effectively recognize the pedestrian ahead under night light, and may not be able to normally perform the functions of forward collision warning and automatic emergency braking. Driving night, mainly being close to vehicle passing light and passing light illumination place ahead road, the general irradiation range of vehicle passing light is vehicle place ahead 30m, and the general irradiation range of vehicle high beam is vehicle place ahead 60m, but under the meeting circumstances, the use high beam in violation of rules and regulations can cause the driver to dazzle, causes dangerous situation more easily.
Therefore, the problem to be solved by the embodiments of the present application is:
when a target vehicle drives at night, the visibility distance of a driver is only about 60m even with the assistance of a dipped headlight and a high beam due to dark illumination at night, and particularly when the vehicle meets, the visibility distance is shorter, so that the safety of driving at night is seriously influenced, and the reason that the driving accident rate at night is far higher than the driving accident rate at day time is also shown from the practical accident statistical result;
the embodiment of the application mainly applies an active infrared night vision imaging principle, an infrared light supplement lamp emits infrared light to irradiate a front target, a night vision camera receives the infrared light reflected by the target, photoelectric conversion is carried out, the active infrared night vision image original data acquisition is completed, and then the back-end processing of the image is carried out by a night vision controller and is transmitted to a display device for displaying;
in addition, the night vision controller can also perform image recognition by utilizing an artificial intelligence recognition technology based on original image data input by the night vision camera, when a collision risk between a pedestrian and a vehicle in front is recognized, a driver can be prompted through a sound and image alarm device, and the night vision controller can control the infrared light supplement lamp to be turned on and off and dynamically adjust the working power of the infrared light supplement lamp based on a driving state so as to achieve a better imaging effect;
furthermore, the night vision controller can monitor the running information of the whole vehicle in real time or periodically according to requirements so as to adjust a system control strategy, can monitor the running state of the system and can inform a driver of the running state of the system in time through the display alarm device.
Further, the method also comprises a vehicle monitoring process, and the vehicle monitoring process comprises the following steps:
receiving the whole vehicle running information of a target vehicle;
generating a vehicle front alarm signal according to the vehicle driving information of the whole vehicle and the original night vision image;
the whole vehicle running information comprises a whole vehicle braking signal, a whole vehicle gear signal, a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power supply state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal.
Further, the method also comprises an infrared power adjusting process, wherein the infrared power adjusting process comprises the following steps:
and analyzing the power supply state signal of the whole vehicle, and adjusting the output power of the infrared light supplement lamp.
Further, the method also comprises an acousto-optic alarm process, wherein the acousto-optic alarm process comprises the following steps:
and responding to the alarm signal in front of the vehicle to perform sound and light alarm.
Further, the method also comprises a night driving reminding process, wherein the night driving reminding process comprises the following steps:
and detecting whether the current moment is the night moment or not, and if so, sending a headlamp opening signal.
Based on the night driving auxiliary technology in the embodiment of the application, several specific implementation workflows are given as follows:
as shown in fig. 3, the first process actively performs infrared night vision imaging, and the operations are as follows:
a1, supplying power to the infrared light supplement lamp and the night vision camera by the night vision controller;
a2, after infrared light with specific wavelength emitted by the infrared light supplement lamp irradiates a front target of a target vehicle, the infrared light is reflected to enter a night vision camera;
a3, the night vision camera receives the reflected infrared light with specific wavelength, and outputs the original data of the original night vision image to the night vision controller after the interior completes the photoelectric conversion;
a4, the night vision controller receives original data of the night vision image of the night vision camera, and outputs the night vision image video to the display device after internal processing;
and A5, the display device receives the night vision image video input by the night vision controller to display images.
As shown in fig. 4, the second process, turning on the night vision display function, operates as follows:
b1, the driver performs night vision starting operation and inputs a night vision starting signal to the corresponding switch control device;
b2, the switch control device inputs the night vision starting signal to the infrared night vision system;
b3, the infrared night vision system receives a night vision starting signal input by the switch control device, and performs infrared detection work to generate a night vision image video;
b4, the night vision controller receives original data of the night vision image of the night vision camera, outputs the night vision image video to the display device after internal processing, and outputs a night vision display signal to the display device.
B5, the display device receives the night vision display signal input by the night vision controller, outputs a night vision display response signal and carries out the video display of the night vision image.
As shown in fig. 5, the third process, night vision display off operation, operates as follows:
c1, the display device is performing night vision image video display.
C2, the switch control inputs the night vision closing signal to the infrared night vision system.
C3, the night vision system receives the night vision closing signal input by the switch control device, generates and outputs a night vision quitting display signal to the display device;
and C5, the display device receives the night vision quitting display signal input by the night vision controller, feeds back a night vision quitting display response signal and closes the night vision image video display.
As shown in fig. 6, the night vision warning operation in the fourth process is as follows:
d1, infrared night vision system receives whole car driving information, specifically contains: the system comprises a whole vehicle control device, a whole vehicle brake signal, a whole vehicle gear signal and a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal, wherein the whole vehicle brake signal, the whole vehicle gear signal and the whole vehicle accelerator signal are input by a whole vehicle control device;
d2, the infrared night vision system receives the vehicle information, and generates a night vision alarm signal based on the front target state identified by the artificial intelligence identification technology of the night vision image and outputs the night vision alarm signal to the display alarm device;
d3, the display alarm device receives the night vision alarm signal input by the night vision controller, outputs a night vision alarm response signal, and prompts the driver through display and sound alarm.
As shown in fig. 7, the fifth process is a night vision display closing operation, which is as follows:
q1, when the infrared night vision system is turned on, the night vision system judges whether the headlamp is turned on, if the headlamp is turned on, the night vision fill light is controlled to be turned on, and if the headlamp is not turned on, the night vision fill light is controlled not to be turned on;
and when the Q2 and the night vision controller do not turn on the headlights, detecting whether the current moment corresponding to the current environment is night or not, if so, prompting to turn on the headlights through the display device, and if not, not prompting to turn on the headlights.
In a second aspect, referring to fig. 9, an embodiment of the present application provides a night driving assistance system based on the night driving assistance method mentioned in the first aspect, where the system includes:
the infrared light supplement lamp is used for irradiating infrared light to the front of the vehicle;
the night vision camera is used for receiving the reflected infrared light and performing photoelectric conversion to obtain an original night vision image;
the night vision controller is used for monitoring whether the headlamp of the target vehicle is turned on or not, sending a light turning-on signal to the infrared light supplement lamp if the headlamp is turned on, and receiving an original night vision image;
and the display device is used for displaying the original night vision image transmitted by the night vision controller.
Furthermore, the night vision controller is also used for receiving the whole vehicle running information of the target vehicle and generating a vehicle front alarm signal according to the whole vehicle running information and the original night vision image; wherein the content of the first and second substances,
the whole vehicle running information comprises a whole vehicle braking signal, a whole vehicle gear signal, a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power supply state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal.
It should be noted that, specifically, the night vision controller may monitor whether the headlight of the target vehicle is turned on, may monitor whether a headlight turn-on signal is present, or may monitor whether the headlight is in a working state.
The embodiment of the application utilizes an infrared ray technology to detect the front of the vehicle and display the reflected infrared ray so as to provide a better driving view for a driver at night and provide safety guarantee for night driving;
in addition, when promoting driver night driving visual distance, improve night driving safety, reduce infrared light filling lamp and open the frequency, reduce the whole car energy resource consumption of unnecessary.
The problem that this application embodiment needs to solve is:
when a target vehicle drives at night, the visibility distance of a driver is only about 60m even with the assistance of a dipped headlight and a high beam due to dark illumination at night, and particularly when the vehicle meets, the visibility distance is shorter, so that the safety of driving at night is seriously influenced, and the reason that the driving accident rate at night is far higher than the driving accident rate at day time is also shown from the practical accident statistical result;
the embodiment of the application mainly applies an active infrared night vision imaging principle, an infrared light supplement lamp emits infrared light to irradiate a front target, a night vision camera receives the infrared light reflected by the target, photoelectric conversion is carried out, the active infrared night vision image original data acquisition is completed, and then the back-end processing of the image is carried out by a night vision controller and is transmitted to a display device for displaying;
in addition, the night vision controller can also perform image recognition by utilizing an artificial intelligence recognition technology based on original image data input by the night vision camera, when a collision risk between a pedestrian and a vehicle in front is recognized, a driver can be prompted through a sound and image alarm device, and the night vision controller can control the infrared light supplement lamp to be turned on and off and dynamically adjust the working power of the infrared light supplement lamp based on a driving state so as to achieve a better imaging effect;
furthermore, the night vision controller can monitor the running information of the whole vehicle in real time or periodically according to requirements so as to adjust a system control strategy, can monitor the running state of the system and can inform a driver of the running state of the system in time through the display alarm device.
Furthermore, the night vision controller is also used for analyzing the power supply state signal of the whole vehicle and adjusting the output power of the infrared light supplement lamp.
Furthermore, the system also comprises an audible and visual alarm;
the audible and visual alarm is used for responding to the alarm signal in front of the vehicle and giving audible and visual alarm.
Furthermore, the night vision controller is also used for detecting whether the current moment is the night moment or not, and if the current moment is the night moment, a headlamp opening signal is sent out.
Based on the night driving assistance technology in the embodiment of the present application, several specific implementation workflows are provided as follows:
the first process is to actively perform infrared night vision imaging, and the operation is as follows:
a1, supplying power to the infrared light supplement lamp and the night vision camera by the night vision controller;
a2, after infrared light with specific wavelength emitted by the infrared light supplement lamp irradiates a front target of a target vehicle, the infrared light is reflected to enter a night vision camera;
a3, the night vision camera receives the reflected infrared light with specific wavelength, and outputs the original data of the original night vision image to the night vision controller after the interior completes the photoelectric conversion;
a4, the night vision controller receives original data of the night vision image of the night vision camera, and outputs the night vision image video to the display device after internal processing;
and A5, the display device receives the night vision image video input by the night vision controller to display images.
And step two, starting a night vision display function, and operating as follows:
b1, the driver performs night vision starting operation and inputs a night vision starting signal to the corresponding switch control device;
b2, the switch control device inputs the night vision starting signal to the infrared night vision system;
b3, the infrared night vision system receives a night vision starting signal input by the switch control device, and performs infrared detection work to generate a night vision image video;
b4, the night vision controller receives original data of the night vision image of the night vision camera, outputs the night vision image video to the display device after internal processing, and outputs a night vision display signal to the display device.
B5, the display device receives the night vision display signal input by the night vision controller, outputs a night vision display response signal and carries out the video display of the night vision image.
And a third process of closing the night vision display, which comprises the following operations:
c1, the display device is performing night vision image video display.
C2, the switch control inputs the night vision closing signal to the infrared night vision system.
C3, the night vision system receives the night vision closing signal input by the switch control device, generates and outputs a night vision quitting display signal to the display device;
and C5, the display device receives the night vision quitting display signal input by the night vision controller, feeds back a night vision quitting display response signal and closes the night vision image video display.
And fourthly, night vision alarming, wherein the operation is as follows:
d1, infrared night vision system receives whole car driving information, specifically contains: the system comprises a whole vehicle control device, a whole vehicle brake signal, a whole vehicle gear signal and a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal, wherein the whole vehicle brake signal, the whole vehicle gear signal and the whole vehicle accelerator signal are input by a whole vehicle control device;
d2, the infrared night vision system receives the vehicle information, and generates a night vision alarm signal based on the front target state identified by the artificial intelligence identification technology of the night vision image and outputs the night vision alarm signal to the display alarm device;
d3, the display alarm device receives the night vision alarm signal input by the night vision controller, outputs a night vision alarm response signal, and prompts the driver through display and sound alarm.
And fifthly, closing the night vision display, and operating as follows:
q1, when the infrared night vision system is turned on, the night vision system judges whether the headlamp is turned on, if the headlamp is turned on, the night vision fill light is controlled to be turned on, and if the headlamp is not turned on, the night vision fill light is controlled not to be turned on;
and when the Q2 and the night vision controller do not turn on the headlights, detecting whether the current moment corresponding to the current environment is night or not, if so, prompting to turn on the headlights through the display device, and if not, not prompting to turn on the headlights.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present application and are presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A night driving auxiliary method is characterized in that the method is based on an infrared night vision system, the infrared night vision system comprises an infrared light supplement lamp, a night vision camera and a night vision controller, and the method comprises the following steps:
monitoring whether a headlamp of a target vehicle is turned on, if so, controlling an infrared light supplement lamp to irradiate infrared light in front of the vehicle by the night vision controller;
controlling a night vision camera to receive reflected infrared light, and performing photoelectric conversion to obtain an original night vision image;
and the night vision controller receives the original night vision image and displays the original night vision image through a preset display device.
2. The method of assisting driving at night according to claim 1, further comprising the steps of:
receiving the whole vehicle running information of the target vehicle;
generating a vehicle front alarm signal according to the vehicle running information of the whole vehicle and the original night vision image;
the whole vehicle running information comprises a whole vehicle braking signal, a whole vehicle gear signal, a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal.
3. The night driving assistance method according to claim 2, further comprising the step of:
and analyzing the power supply state signal of the whole vehicle, and adjusting the output power of the infrared light supplement lamp.
4. The night driving assistance method according to claim 2, further comprising the step of:
and responding to the alarm signal in front of the vehicle to perform sound and light alarm.
5. The method of assisting driving at night according to claim 1, further comprising the steps of:
and detecting whether the current moment is the night moment or not, and if so, sending a headlamp opening signal.
6. A night driving assistance system, the system comprising:
the infrared light supplement lamp is used for irradiating infrared light to the front of the vehicle;
the night vision camera is used for receiving the reflected infrared light and performing photoelectric conversion to obtain an original night vision image;
the night vision controller is used for monitoring whether a headlamp of a target vehicle is turned on or not, sending a lamplight turning-on signal to the infrared light supplement lamp if the headlamp is turned on, and receiving the original night vision image;
a display device for displaying the original night vision image sent by the night vision controller.
7. The night driving assistance system according to claim 6, wherein:
the night vision controller is also used for receiving the whole vehicle running information of the target vehicle and generating a vehicle front alarm signal according to the whole vehicle running information and the original night vision image; wherein the content of the first and second substances,
the whole vehicle running information comprises a whole vehicle braking signal, a whole vehicle gear signal, a whole vehicle accelerator signal, a whole vehicle speed signal, a corner signal, a whole vehicle power state signal, a whole vehicle headlamp signal, a whole vehicle steering lamp signal and a whole vehicle forward sunlight illumination signal.
8. The night driving assistance system according to claim 7, wherein:
the night vision controller is also used for analyzing the power supply state signal of the whole vehicle and adjusting the output power of the infrared light supplement lamp.
9. The night time vehicle assist system of claim 7, further comprising an audible and visual alarm;
and the audible and visual alarm is used for responding the alarm signal in front of the vehicle and giving audible and visual alarm.
10. The night driving assistance system according to claim 6, wherein:
the night vision controller is also used for detecting whether the current moment is the night moment or not, and if the current moment is the night moment, a headlamp opening signal is sent out.
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| CN202110604707.3A CN113212308A (en) | 2021-05-31 | 2021-05-31 | Night driving assisting method and system |
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Cited By (1)
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| CN113809557A (en) * | 2021-08-18 | 2021-12-17 | 岚图汽车科技有限公司 | Vehicle-mounted antenna device and vehicle |
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| CN104442571A (en) * | 2014-11-26 | 2015-03-25 | 重庆长安汽车股份有限公司 | Night vision navigation integration system and control method |
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