CN214775848U - A-column display screen-based obstacle detection device and automobile - Google Patents
A-column display screen-based obstacle detection device and automobile Download PDFInfo
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- CN214775848U CN214775848U CN202120544046.5U CN202120544046U CN214775848U CN 214775848 U CN214775848 U CN 214775848U CN 202120544046 U CN202120544046 U CN 202120544046U CN 214775848 U CN214775848 U CN 214775848U
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Abstract
The utility model discloses an A-column display screen-based obstacle detection device and an automobile, which comprises a controller module, a camera, a detection radar and an A-column display screen; the camera is used for acquiring images within a preset range outside the automobile, and the controller module is used for acquiring the visual angle of a driver and cutting the images according to the visual angle of the driver to obtain image fragments of visual angle blind areas; the A column display screen is used for displaying the image fragments; the detection radar is used for detecting the distance of the obstacle in the image segment; the controller module is also used for marking the distance and displaying the mark on the A-column display screen. The A column display screen is used for displaying the real scene in the visual angle blind area of the driver, so that the driver can see the complete road condition in the front of the vehicle when turning, the distance of the barrier in the visual angle blind area is detected through the detection radar, the distance is marked in the display screen, the driver can accurately know the distance of the barrier, accidents caused by misjudgment of the distance are avoided, and the driving safety is ensured.
Description
Technical Field
The utility model belongs to the technical field of the car, concretely relates to barrier detection device and car based on A post display screen.
Background
The automobile A column refers to a connecting column for connecting the roof and the front cabin of the automobile at the left front part and the right front part, and is arranged between an engine cabin and a cab and above a left rear-view mirror and a right rear-view mirror. When the automobile turns or runs straight at a low speed, the visual field of a driver is shielded by the part of the A column, a blind area on the visual field is generated, and driving safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem that will solve lies in, there is the visual angle blind area and leads to driving the potential safety hazard when car A post makes driver drive a left turn or turn right. In order to solve the technical problem, the utility model provides a barrier detection method based on A post display screen, include:
step S1, acquiring images in a preset range outside the automobile, wherein the preset range comprises a view angle blind area shielded by an A column of the automobile;
step S2, acquiring the visual angle of the driver;
step S3, cutting the image according to the visual angle of the driver to obtain the image segment of the visual angle blind area;
and step S4, displaying the image fragment on the A-pillar display screen, and marking the distance between the obstacle in the image fragment and the automobile.
Further, the step S4 further includes:
obtaining the ambient brightness;
and adjusting the display brightness of the A-column display screen according to the ambient brightness.
Further, the step S2 specifically includes:
step S21, acquiring the position of a main driving seat;
step S22, obtaining the height of the driver;
and step S23, determining the visual angle of the driver according to the position of the main driving seat and the height of the driver.
Further, the position of the primary seating includes: the front and rear positions of the main driver seat and the inclination angle of the backrest of the main driver seat.
Further, the step S4 is followed by:
and step S5, when the distance between the obstacle and the automobile is less than or equal to a preset distance threshold value, sending out reminding information.
An obstacle detecting device based on an A-pillar display screen, comprising: the device comprises a controller module, a camera and a detection radar which are arranged on the front side of a vehicle body, and an A-column display screen arranged on an A-column;
the camera is used for acquiring images in a preset range outside the automobile, and the preset range comprises a view angle blind area shielded by an A column of the automobile;
the controller module is used for acquiring the visual angle of a driver and cutting the image according to the visual angle of the driver to obtain an image segment of the visual angle blind area;
the A-pillar display screen is used for displaying the image fragments;
the detection radar is used for detecting the distance from an obstacle in the image fragment to the automobile;
the controller module is also used for marking the distance and displaying the mark on the A-column display screen.
Furthermore, the obstacle detection device based on the A-column display screen further comprises a light sensor for acquiring the ambient brightness;
the controller module is further used for adjusting the display brightness of the A-column display screen according to the environment brightness.
Further, the light sensor is arranged on the column A and is connected with the controller module through a CAN network in the vehicle.
Further, the camera the A post display screen with it all is provided with 2 to detect the radar, sets up respectively in the left and right sides of car, corresponds the setting with two A posts about with.
Further, the controller module includes:
the main driving seat position acquiring unit is used for acquiring the position of a main driving seat;
the driver height acquiring unit is used for responding to the input operation of the driver and acquiring the height of the driver;
and the visual angle determining unit is used for determining the visual angle of the driver according to the position of the main driving seat and the height of the driver.
Further, the position of the primary seating includes: the front and rear positions of the main driver seat and the inclination angle of the backrest of the main driver seat.
Further, the obstacle detection device based on the A-column display screen further comprises a reminding unit, and the reminding unit is used for sending out reminding information when the distance between the obstacle and the automobile is smaller than or equal to a preset distance threshold value.
Furthermore, the controller module is connected with the A-column display screen through an HDMI (high-definition multimedia interface) line or an LVDS (low-voltage differential signaling) line and is respectively connected with the camera and the detection radar through a USB (universal serial bus) line.
Further, the detection radar is arranged above the headlamp of the automobile.
An automobile comprises the obstacle detection device of the A-pillar display screen.
Implement the embodiment of the utility model provides a, following beneficial effect has: the display screen on the column A displays the real scene in the visual angle blind area of the driver, so that the driver can see the complete road condition in the front of the vehicle by turning left or right, the distance between the barrier and the vehicle in the visual angle blind area is detected by the detection radar, and the distance is marked in the display screen, so that the driver can accurately know the distance between the barrier and the vehicle, accidents caused by misjudgment of the distance are avoided, and the driving safety is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flow chart of an obstacle detection method based on an a-pillar display screen according to an embodiment of the present invention.
Fig. 2 is a diagram illustrating an effect obtained by implementing the first embodiment of the present invention.
Fig. 3 is a functional block diagram of an obstacle detecting device according to another embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1, an embodiment of the present invention provides an obstacle detection method based on an a-pillar display screen, including steps S1-S4:
and step S1, acquiring images in a preset range outside the automobile, wherein the preset range comprises a view angle blind area shielded by an A column of the automobile.
Specifically, a camera can be installed in front of the automobile to shoot front road conditions in real time, the shot area comprises a visual angle blind area shielded by the column A, the visual angle blind area is referred to the observation visual angle of a driver, and the visual angle blind area can be calculated and preset according to the limit position of the seat and the limit value of the eye height of the driver. Because A post has about two, the camera also can correspond and set up two, acquires the image of the visual angle blind area that two A posts sheltered from about respectively.
In step S2, the viewing angle of the driver is acquired.
Specifically, the driver's perspective may be determined by facial recognition techniques. For example, a camera is arranged in front of the driver (such as a place where an A column or a roof of the vehicle is close to a windshield), the eyeball position of the driver is identified in real time, and the visual angle of the driver is determined according to the eyeball position and the A column position. Although the method can accurately acquire the visual angle of the driver, the calculation amount is large.
The embodiment of the utility model provides a visual angle determination method of comparatively simple driver specifically includes step S21-S23:
in step S21, the position of the main driver seat is acquired.
The position of the main driving seat can be adjusted according to the stature of a driver, for example, the driver can adjust the front and back position according to the weight of the driver, and the inclination angle of the backrest can be adjusted according to the driving habit. The travel of the seat position which can be adjusted is divided into a plurality of gears, for example, 5 gears, meanwhile, the inclination angle of the backrest can also be divided into different gears, and after a driver adjusts the gears at the front position and the rear position of the seat and the gears at the inclination angle of the backrest, the controller module automatically receives gear signals, so that the position of the main driving seat is obtained.
Step S22, the height of the driver is obtained.
Specifically, the system prompts the driver to input height parameters after the driver gets on the vehicle, or the driver registers in the system in advance, the registration information contains height information, and the corresponding height data is directly acquired after the driver verifies the identity during driving.
And step S23, determining the visual angle of the driver according to the position of the main driving seat and the height of the driver.
Specifically, after the position of the main driving seat and the height of the driver are obtained, the positions of human eyes can be roughly determined, and then the observation visual angle relative to the A column direction is calculated according to the positions of the human eyes, so that the visual angle blind area corresponding to the position can be determined. In the application process, the corresponding view angle blind area can be determined according to the gear and the height parameters of different main driving seats, the corresponding relation is stored in the hard disk, and the view angle blind area is directly matched through the gear and the height parameters of the main driving seats. The method has the advantage of basically meeting the driving requirements although the precision is not enough. Compared with the method for capturing the eyeballs in real time to calculate the observation visual angle and further calculate the visual angle blind area, the method has the advantages of small calculation amount, low requirement on system configuration and feasibility and popularization value.
And step S3, cutting the image according to the visual angle of the driver to obtain the image fragment of the visual angle blind area.
And step S4, displaying the image fragment on the A-pillar display screen, and marking the distance between the obstacle in the image fragment and the automobile.
Specifically, according to the observation visual angle of the driver, the visual angle blind area blocked by the A column can be determined. And then cutting the acquired picture, reserving an image segment positioned in the view angle blind area, directly observing a corresponding real scene except the image segment by eyes, displaying the real scene in the view angle blind area on an A column display screen through the cut image segment, wherein the A column is transparent at the moment, and a driver can observe the whole area in front of the vehicle. When an obstacle including an animal or a person passes through the blind area, the detection radar (which can be arranged near the headlamp) detects the distance from the obstacle to the automobile in real time, the distance is marked on the A-column display screen, the existing reversing radar can be referred to for measuring the real-time distance, and an effect diagram is shown in figure 2. Optionally, when the distance between the obstacle and the automobile is less than or equal to a preset distance threshold, the reminding information is sent, and the reminding information can be alarm warning or voice reminding.
The utility model discloses a display screen on the A post shows the outdoor scene in driver's visual angle blind area, makes the driver can see the complete road conditions in plantago when turning left or turning right to detect the distance of barrier apart from the car in the visual angle blind area through detecting the radar, and with this distance mark in the display screen, make the driver can accurately know the distance of barrier apart from the car, avoid leading to accident because of the erroneous judgement distance, ensure driving safety.
Further, the embodiment of the utility model provides a can also set up light sensor outside the car and detect ambient brightness, specifically can divide into 1-20 levels with the light intensity that detects, also set up the luminance of display screen to corresponding 1-20 levels simultaneously. The initial default brightness level is 10 levels, and when the brightness of the external environment is detected to be 11 levels, the system adjusts the brightness of the display screen to be 11 levels, and the brightness is matched with the brightness level of the environment. The adjusting method enables the brightness of the display screen to be matched with the brightness of the external environment in real time, so that a driver can clearly watch the A column blind area information.
Corresponding to the embodiment of the utility model provides a barrier detection method based on A post display screen that provides, the utility model provides a two still provide a barrier detection device based on A post display screen, as shown in fig. 3, include: the device comprises a controller module 1, a camera 2 and a detection radar 3 which are arranged on the front side of a vehicle body, and an A-column display screen 4 arranged on an A-column;
the camera 2 is used for acquiring images in a preset range outside the automobile, and the preset range comprises a view angle blind area shielded by an A column of the automobile;
the controller module 1 is configured to acquire a viewing angle of a driver, and cut the image according to the viewing angle of the driver to obtain an image segment of the viewing angle blind area;
the A column display screen 4 is used for displaying the image fragments;
the detection radar 3 is used for detecting the distance from an obstacle in the image fragment to the automobile;
the controller module 1 is also used for marking the distance and displaying the mark on the A-column display screen 4.
Further, the obstacle detection device further includes a light sensor 5 for acquiring ambient brightness;
the controller module 1 is further configured to adjust the display brightness of the a-pillar display screen 4 according to the ambient brightness.
Specifically, controller module 1 is connected with A post display screen 4 through HDMI line or LVDS line, is connected with camera 2, detection radar 3 respectively through the USB line, is connected with light sensor 5 through the interior CAN network of car, and light sensor CAN set up on the A post, detects radar 3 and CAN set up in car front deck headlight top. The controller module 1 receives the image sent by the camera 2, cuts the image according to the visual angle of the driver, obtains the image segment of the visual angle blind area blocked by the A column, and sends the image segment to the A column display screen for displaying. In addition, the detection radar 3 detects the distance between an obstacle and a vehicle in an image segment and sends the distance to the controller module 1, and the controller module 1 marks in the image and sends the image to the A-column display screen for displaying.
Further, camera 2, detection radar 3 and A post display screen 4 all can set up 2, set up respectively in the left and right sides of car, correspond the setting with two A posts about with.
Further, the controller module 1 includes:
a main-seat position acquiring unit 11 configured to acquire a position of a main seat;
a driver height obtaining unit 12 for obtaining the height of the driver in response to the input operation of the driver;
and the visual angle determining unit 13 is used for determining the visual angle of the driver according to the position of the main driving seat and the height of the driver.
Further, the position of the primary seating includes: the front and rear positions of the main driver seat and the inclination angle of the backrest of the main driver seat.
Further, the obstacle detection device further comprises a reminding unit 6, and the reminding unit is used for sending out reminding information when the distance between the obstacle and the automobile is smaller than or equal to a preset distance threshold value.
About this embodiment based on A post display screen's barrier detection device's theory of operation and process, refer to the aforesaid the utility model discloses the explanation of embodiment one, it is no longer repeated here.
Based on the embodiment of the utility model provides a barrier detection device based on A post display screen, the utility model also provides a car is provided with foretell barrier detection device on its A post for detect and show the barrier of A post display blind area.
As can be seen from the above description, compared with the prior art, the beneficial effects of the utility model reside in: the real scenes in the visual angle blind area of the driver are displayed through the display screen on the column A, so that the driver can see the complete road condition in the front of the vehicle when turning left or right, the distance between the obstacle in the visual angle blind area and the vehicle is detected in real time, the distance is marked in the display screen, the driver can accurately know the distance between the obstacle and the vehicle, accidents caused by misjudgment of the distance are avoided, and the driving safety is ensured; and the utility model discloses can also set up light sensor and detect ambient brightness, adjust the luminance that the display screen made the luminance of display screen and match with external environment luminance in real time to can make the clear A post blind area information of watching of driver.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. An obstacle detection device based on an A-pillar display screen, comprising: the device comprises a controller module, a camera and a detection radar which are arranged on the front side of a vehicle body, and an A-column display screen arranged on an A-column;
the camera is used for acquiring images in a preset range outside the automobile, and the preset range comprises a view angle blind area shielded by an A column of the automobile;
the controller module is used for acquiring the visual angle of a driver and cutting the image according to the visual angle of the driver to obtain an image segment of the visual angle blind area;
the A-pillar display screen is used for displaying the image fragments;
the detection radar is used for detecting the distance from an obstacle in the image fragment to the automobile;
the controller module is also used for marking the distance and displaying the mark on the A-column display screen.
2. The a-pillar display screen-based obstacle detection apparatus according to claim 1, further comprising a light sensor for acquiring ambient brightness;
the controller module is further used for adjusting the display brightness of the A-column display screen according to the environment brightness.
3. The A-pillar display screen-based obstacle detection device according to claim 2, wherein the light sensor is disposed on the A-pillar and connected to the controller module through an in-vehicle CAN network.
4. The obstacle detection device based on the A-pillar display screen according to claim 2, wherein the number of the cameras, the A-pillar display screen and the detection radar are 2, and the cameras, the A-pillar display screen and the detection radar are respectively arranged on the left side and the right side of the vehicle and correspond to the left A-pillar and the right A-pillar.
5. The A-pillar display screen-based obstacle detection device according to claim 1, wherein the controller module comprises:
the main driving seat position acquiring unit is used for acquiring the position of a main driving seat;
the driver height acquiring unit is used for responding to the input operation of the driver and acquiring the height of the driver;
and the visual angle determining unit is used for determining the visual angle of the driver according to the position of the main driving seat and the height of the driver.
6. The a-pillar display screen-based obstacle detecting device of claim 5, wherein the position of the main driver's seat includes: the front and rear positions of the main driver seat and the inclination angle of the backrest of the main driver seat.
7. The A-pillar display screen-based obstacle detection device according to claim 1, further comprising a reminding unit for sending out a reminding message when the distance between the obstacle and the automobile is less than or equal to a preset distance threshold.
8. The A-pillar display screen-based obstacle detection device according to claim 1, wherein the controller module is connected to the A-pillar display screen through an HDMI line or an LVDS line, and is connected to the camera and the detection radar through a USB line, respectively.
9. The A-pillar display screen-based obstacle detecting device according to claim 1, wherein the detection radar is provided above a headlight of an automobile.
10. An automobile comprising the a-pillar display panel of any one of claims 1 to 9.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114290990A (en) * | 2021-12-24 | 2022-04-08 | 浙江吉利控股集团有限公司 | Obstacle early warning system and method for vehicle A-column blind area and signal processing device |
CN114559878A (en) * | 2022-03-16 | 2022-05-31 | 安徽君尚信息科技有限公司 | Be applied to vehicle and turn to blind area and detect early warning device |
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2021
- 2021-03-16 CN CN202120544046.5U patent/CN214775848U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114290990A (en) * | 2021-12-24 | 2022-04-08 | 浙江吉利控股集团有限公司 | Obstacle early warning system and method for vehicle A-column blind area and signal processing device |
CN114559878A (en) * | 2022-03-16 | 2022-05-31 | 安徽君尚信息科技有限公司 | Be applied to vehicle and turn to blind area and detect early warning device |
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