Background
The A columns are connecting columns which are arranged at the left front part and the right front part of the vehicle and are used for connecting the roof and the front cabin, and in the design concept of modern vehicles, when the vehicle is subjected to frontal/side collision or the vehicle body rolls, the purpose of ensuring the completeness of the living space of the cockpit is the ultimate goal, and the survival rate of passengers can be ensured as long as the ABC columns and the top cover of the side wall are not subjected to significant deformation no matter how other parts are deformed. Safety and cost are considered in each car factory, and a thick and strong A column is mostly selected to increase the intensity of the car installation body, so that the A column blind area of a driver appears, and the visual field of the A column blind area can bring great potential safety hazards in the actual driving process, particularly the steering process. Although narrowing or hollowing the a-pillar helps to improve the driver's view, the a-pillar is responsible for supporting the weight of the front of the vehicle and needs to have a certain strength, so that there is still a limit to this improvement. In summary, there is a discrepancy between the intensity level of the a-pillar portion of the vehicle and the driver's field of vision. How to effectively show the A post blind area in order to assist driver safe driving is the technical problem that needs to solve when guaranteeing vehicle A post part intensity.
SUMMERY OF THE UTILITY MODEL
The embodiment of the specification provides a device for displaying the A column blind area, and provides a device capable of effectively displaying the A column blind area to assist a driver in safe driving, so that traffic safety accidents caused by the A column blind area are reduced to a certain extent.
In order to solve the above technical problem, the embodiments of the present specification are implemented as follows:
the embodiment first provides a device for displaying a column a blind area, which comprises:
the first camera is mounted on the A column on the left side of the vehicle body;
the second camera is mounted on the column A on the right side of the vehicle body;
the photosensitive sensor is arranged at the front part of the vehicle body;
the first display screen is used for displaying the video image acquired by the first camera and is fixed on the interior trimming panel of the pillar A on the left side of the vehicle;
the second display screen is used for displaying the video image acquired by the second camera and is fixed on the interior trimming panel of the pillar A on the right side of the vehicle;
the device comprises a first microwave radar and a first infrared sensor, wherein the first microwave radar and the first infrared sensor are arranged at the left front position of a vehicle body;
the second microwave radar and the second infrared sensor are installed at the right front position of the vehicle body;
and the processor is connected with the first display screen, the second display screen, the first microwave radar, the first infrared sensor, the second microwave radar, the second infrared sensor and the photosensitive sensor.
Optionally, the first camera and the second camera are high-definition wide-angle cameras.
Optionally, the first display screen and the second display screen are curved liquid crystal display screens with adjustable brightness.
Optionally, the photosensitive sensor is an LXD65 series photoresistor packaged by a metal shell and glass.
Optionally, the voice prompt system is connected with the processor, the voice prompt system comprises a voice chip, a memory, a loudspeaker and a voice control circuit, and the voice chip, the memory and the loudspeaker are connected with the voice control circuit.
Optionally, the processor is an STM32F100C6T6 type high-speed single-chip microcomputer of an STM32 series.
Optionally, the processor is further connected with a rotation speed sensor and a rotation angle sensor of the vehicle.
Optionally, the vehicle-mounted battery power supply system further comprises a power supply circuit, wherein the power supply circuit is connected with the vehicle-mounted battery, and the vehicle-mounted battery provides electric energy required by work for each part through the power supply circuit.
The embodiment of the specification adopts at least one technical scheme which can achieve the following beneficial effects: the utility model discloses organically integrate A post blind area camera, curved surface display screen, photosensitive sensor, microwave radar and infrared sensor, no matter the vehicle is under the state that normal condition, turn or weather are dark, all can accurately realize the collision early warning, improved the factor of safety when the driver drives the car greatly. Meanwhile, if the lamp of the target vehicle is too bright when the driver drives at night, and the camera of the vehicle cannot collect the video image of the normal A-column blind area, objects near the vehicle can be monitored through the microwave radar and the infrared sensor, and the driver is early warned through the voice prompt system, so that the safety factor of driving is greatly improved.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present specification, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments of the present disclosure, shall fall within the scope of protection of the present application.
As shown in fig. 1, because there is certain width in the a post, the width of a post can influence the driver field of vision, cause the field of vision blind area, like this when the vehicle passes through the crossroad or when turning, because sheltering from of a post, can make the driver can not observe vehicle and pedestrian in certain region, the easy accident that takes place, especially when the vehicle turns, the driver can not observe pedestrian, non-motor vehicle or the motor vehicle of side the place ahead because of blockking up of a post, the accident that the vehicle collided with pedestrian or non-motor vehicle takes place very easily, therefore it is necessary to provide a device that can show the a post blind area, in order to improve the factor of safety that the driver drove.
As shown in fig. 2, the utility model discloses at first provide a device that shows is carried out to A post blind area, including first camera 1, second camera 2, first display screen, second display screen, first microwave radar 3, first infrared sensor 4, second microwave radar 5, second infrared sensor 6, photosensitive sensor 7 and treater (the mounted position of first display screen, second display screen and treater does not indicate in the picture).
Wherein, first camera 1 is installed on the left A post of automobile body, and second camera 2 is installed on the A post on automobile body right side, all chooses high definition wide angle camera for use for vehicle left side and right side A post blind area carry out real-time supervision, and the visual angle of wide angle camera is more than 120 degrees, can accomplish seamless monitoring. First display screen and second display screen select for use luminance adjustable curved surface liquid crystal display, first display screen is installed on the plaque in the left A post of vehicle, the second display screen is installed on the plaque in the A post on vehicle right side (the mounted position of first display screen and first display screen is not in the schematic of figure 5), luminance adjustable curved surface liquid crystal display all selects for use, its shape and size are identical with the shape and the size of car A post, it selects curved surface display to show among this scheme, because people's eyes are the curved surface, the nearest object in distance eyeball center is clearest when seeing the object, adopt curved surface display, can draw near the image of the very far away position of first camera and second camera, the picture that the driver saw like this will be clearer. As shown in fig. 3, the processor is connected with the first camera 1, the second camera 2, the first display screen and the second display screen, so that a driver can observe an area sheltered by the left and right pillars a of the automobile through the first camera 1 and the second camera 2 in the driving process, and can see whether pedestrians, obstacles and the like exist in time, and the safety factor in the driving process can be improved. In this embodiment, still fixed first microwave radar 3 and the first infrared sensor 4 of having set up in the left front position of automobile body, fixed second microwave radar 5 and the second infrared sensor 6 of having set up in the right front position of automobile body, photosensitive sensor 7 has been installed at the anterior fixed mounting of automobile body, control panel near installation voice prompt system in the car to first microwave radar 3, first infrared sensor 4, second microwave radar 5, second infrared sensor 6, photosensitive sensor 7 and voice prompt system all are connected with the treater. The photosensitive sensor 7 is an LXD65 series photosensitive resistor packaged by metal shell glass, the voice prompt system comprises a voice chip, a memory, a loudspeaker and a voice control circuit, and the voice chip, the memory and the loudspeaker are all connected with the voice control circuit. In the technical scheme of the embodiment, when the processor monitors that the photosensitive sensor 7 senses a light intensity signal exceeding a preset threshold value, the processor monitors the distance of an obstacle nearby the vehicle through the first microwave radar 3 and the second microwave radar 5 and monitors whether a pedestrian is nearby the vehicle body through the first infrared sensor 4 and the second infrared sensor 6, and when the obstacle smaller than the preset range threshold value is monitored in front of the vehicle or the pedestrian is nearby the vehicle, the processor sends a control signal, and the command voice prompt system reminds the driver, so that the safe driving coefficient of the driver is improved. In this scheme, so select for use infrared sensor because the human body can send the infrared ray about 10um wavelength, so whether someone monitors near the vehicle through infrared sensor. The technical scheme of the embodiment further comprises a power supply circuit, the power supply circuit is connected with the vehicle-mounted battery, and the vehicle-mounted battery provides electric energy required by work for each part through the power supply circuit.
Meanwhile, the embodiment further provides a method for displaying the a-pillar blind area, which is applied to the apparatus for displaying the a-pillar blind area as described above, and includes:
after a vehicle is started, a video image near a pillar A on the left side of the vehicle is collected through a first camera 1, and the video image is displayed on a first display screen; the video image near the A column on the right side of the vehicle is collected through the second camera 2, and the video image is displayed on a second display screen;
the processor receives external environment light intensity signals sensed by the photosensitive sensor 7 in real time, adjusts the display brightness of the first display screen and the second display screen according to a preset grade range, monitors the distance of obstacles near the vehicle through the first microwave radar 3 and the second microwave radar 5 when monitoring that the external environment light intensity signals sent by the photosensitive sensor 7 exceed a preset threshold value, and gives an early warning to a driver through a voice prompt system.
According to the further optimization scheme, in the starting and driving processes of the vehicle, when the processor monitors infrared rays with the wavelength of 8um-11um in the preset distance range of the front part of the vehicle through the first infrared sensor 4 and the second infrared sensor 6, a control signal is sent out, and the control signal commands the voice prompt system to work.
The utility model discloses organically integrate A post blind area camera, curved surface display screen, photosensitive sensor, microwave radar and infrared sensor, no matter the vehicle is under the state that normal condition, turn or weather are dark, all can accurately realize the collision early warning, improved the factor of safety when the driver drives the car greatly. Meanwhile, if the lamp of the target vehicle is too bright when the driver drives at night, and the camera of the vehicle cannot collect the video image of the normal A-column blind area, objects near the vehicle can be monitored through the microwave radar and the infrared sensor, and the driver is early warned through the voice prompt system, so that the safety factor of driving is greatly improved.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the terms "upper", "lower", "inner" and "outer" in the present invention are only used for describing the present invention with reference to the drawings, and are not intended to be limiting terms.
While certain embodiments of the present disclosure have been described above, other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily have to be in the particular order shown or in sequential order to achieve desirable results. The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
It should also be noted that 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 like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present specification, and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.