TWM566163U - Rear safe distance display system - Google Patents

Abstract

A vehicle-side safety distance display system is an image processing in which a camera image is mounted on a side of a vehicle body to capture an instant image, and then an image processing module performs a distance indication mode of a variable performance mode according to a preset condition. Finally, a display element displays an instant image with a virtual distance mark; by means of a simple system architecture, a low-cost, high-adaptability manner provides an auxiliary system for the driver to eliminate the blind spot and simply and intuitively grasp the safe distance information, which is advantageous for the driver. Easy and quick judgment when driving, helping to improve driving safety.

Description

Vehicle side safety distance display system

This creation is a blind spot display system for vehicles, in particular, a vehicle-side safety distance display system that can display the safety distance of the side of the vehicle and assist the driver to easily judge the safety of the vehicle side.

With the spread of personal transportation vehicles, in densely populated cities, road traffic is crowded, and locomotives, battery cars, or electric bicycles often travel in the tide of vehicles. Because of the large changes in knight movements, for vehicle drivers, It is not easy to judge the distance and position of the knight from the rearview mirror, which is easy to cause traffic stagnation and driving troubles, and it is easy to cause accidents due to the fact that the blind spot hidden in the rear view mirror is not detected in time; The structure of the car body will block most of the driver's side and rear view, and the visibility of the rear view mirror is not only limited, but also the driver's judgment of the speed and distance of the car coming in behind, which inevitably leads to misjudgment, and thus the safety distance is insufficient. Turning or diverting in the situation, causing collisions with the coming car, even accidents.

In recent years, the image processing technology of the vehicle has been continuously improved, and it has been widely applied to mobile vehicles to assist the driver to observe the visual dead angle that cannot be directly seen; however, the current vehicle monitoring system on the market is mostly on the side. The radar and ultrasonic waves are used on the side and rear to display the prompt sound or digital band, so that the driver can not give notice to the rear car. However, these systems need to be equipped with radar for inductive detection and perform complex calculation judgment. Control box and other components, not The cost is relatively high, and it is more difficult to install and set up the car body of different specifications. It is difficult to form a wide and common mode in the industry. Moreover, in the current various systems, there is no simple way to directly judge the distance of the car. Mode, so when the driver receives the warning, although he knows that there is an object in the blind area but does not know the exact distance, it is inevitable to take time to observe and judge, and it is impossible to react and dispose in time.

In view of this, how to save costs and achieve the best use efficiency is the direction that the industry is constantly striving to improve.

The main purpose of this creation is to provide a simple vehicle-side safety distance display system that provides a driver with a direct understanding of the distance application mode through simple image processing, which can improve driving safety and the ability of the driver to quickly adapt and react, and reduce The cost and installation process are simple and suitable for meeting the needs of customization.

In order to achieve the above objectives and effects, the technical means adopted by the present invention include: a camera unit mounted on the side of the vehicle body for capturing an instant image of the rear side of the vehicle body; an image processing module, The image processing module is configured to perform image processing on the live image, wherein the image processing module has a virtual distance mark built therein, and the distance mark is combined into the instant image during image processing to form An instant image with a virtual distance mark, and capable of changing a performance mode of the distance mark according to a preset condition; and a display element connected to the image processing module, at least for displaying the image processed by the image processing module Instant image.

According to the above system architecture, the operation of the image processing module is based on a driving signal when the vehicle body direction light is activated.

According to the above system architecture, wherein the operation of the image processing module is further based on The driving signal when the direction light of the same side of the camera is activated.

According to the above system architecture, wherein the image processing module changes the preset condition of the distance mark representation mode, at least the vehicle speed condition of the vehicle body is included.

According to the above system architecture, the image processing module is connected to a GPS unit for receiving the vehicle speed information provided by the GPS unit, and changing the distance mark representation mode according to a preset vehicle speed condition.

According to the above system architecture, wherein the distance marker comprises a complex trajectory representing distances of different distances.

According to the above system architecture, wherein the distance mark can change the performance mode, at least including the color change of the distance track lines.

According to the above system architecture, the image processing module is further connected with an image comparison module, wherein the image comparison module is configured to provide a warning signal to the instant image, and change a preset condition of the distance mark expression mode. It also contains the warning signal.

According to the above system architecture, the image comparison module is further connected with a warning unit capable of emitting a warning sound or warning light according to the warning signal.

In practical application, the creation can be directly combined with the vehicle system of each factory through a simple architecture, and various feasible mechanisms are formed, such as: assembling the camera element and the image processing module in a photographic device, and directly connecting the vehicle system. Display unit; or the image processing module is assembled in the display device of the display unit and connected to the camera unit mounted on the vehicle body; or the control device of the vehicle system is used to set the image processing module to In the control device, the camera unit and the display unit are respectively connected. The distance mark in the image processing module is set to a fixed distance mark at a corresponding distance position in the image according to the proportion of the vehicle body, the predetermined angle of view, and the distance of the ground during the installation setting. No complicated calculation design is required, and the installation can be completed quickly and at low cost, and customized according to requirements.

The application of the creation can display the side and rear images on the vehicle screen, improve the blind spot of the side blind zone, and completely eliminate the blind zone, thereby enabling the driver to more easily confirm the environmental condition and directly visually determine the distance from the distance marker. Improve driving safety; at the same time, prevent the driver from seeing the right rear vehicle, and the hidden danger caused by the lane change, and the fear caused by the distance from the right side when parking.

In addition, this creation has the following characteristics:

1. According to the blind area of the rearview mirror, the appropriate field of view can be designed to eliminate the dead angle of the line of sight.

2. It can switch the display screen of the real-time image with the right-side lamp switching signal of the vehicle, and the screen switching timing is accurate and smooth without delay.

3. Auxiliary rainy day, there will be water droplets on the glass of the window glass and the rearview mirror, which will result in poor line of sight. The auxiliary image can better grasp the condition of the driving position.

4. The system architecture and equipment are simple, no need to load too many sensors, control boxes, and no complicated calculation and interpretation warnings, which can meet the requirements in a convenient and low-cost manner.

In order to achieve a more specific understanding of the above objects, features and functions of the present invention, a preferred embodiment of the present invention will be described with reference to the accompanying drawings:

10‧‧‧ camera

20‧‧‧Image Processing Module

30‧‧‧ display element

40‧‧‧ Directional Light Module

50‧‧‧GPS unit

60‧‧‧Image comparison module

70‧‧‧ warning unit

V‧‧‧ body

S‧‧‧speed

L‧‧‧ distance mark

L1, L2, L3‧‧‧ distance track

Figure 1 is a schematic diagram of the system architecture of the present embodiment.

Fig. 2 is a top plan view showing the vehicle body environment of the creation embodiment.

Figures 3 to 7 are schematic views of the display screen when used in the present embodiment.

Referring to FIG. 1 , the basic composition of the vehicle side safety distance display system comprises a display element 10, an image processing module 20 and a display element 30, and the practical configuration can be combined with a direction lamp mode according to requirements. The group 40, a GPS unit 50, an image comparison module 60 and a warning unit 70.

Please refer to FIG. 2 together, wherein the camera unit 10 is mounted on the side of the vehicle body V. In this embodiment, the position of the right rear mirror is taken as an example (the position of the dotted line intersection) for use. Capture an instant image of the predetermined range behind the V side of the car body (such as the range between the two dashed lines).

The image processing module 20 can be configured according to actual conditions, such as a camera device incorporated in the camera unit 10, or a display device incorporated in the control device or the display element 30 according to the vehicle interior system; the image processing module 20 A virtual distance mark L is formed, which can be connected to the camera element 10 for receiving an instant image and performing image processing, so that the distance mark L can be virtualized in the real-time image to form an instant image with a virtual distance mark. In practice, the distance mark L is an image element. Referring to FIG. 3, the embodiment includes a plurality of distance trajectories L1, L2, and L3 to represent different distances in the instant image, and the image processing module The 20 series superimposes the fixed position distance mark L on the live image in the form of image superposition, and finally forms an instant image picture with a virtual distance mark as shown in FIG.

The display unit 30 is connected to the image processing module 20 for receiving the real-time image processed by the image processing module 20 and displaying it on the display screen.

The distance trajectories L1, L2, and L3 of the distance mark L are generally determined according to the proportion of the vehicle body, and may of course be arranged according to the needs and habits of the user; In the example, depending on the proportion of the vehicle body, the distance trajectory line L1 is a distance corresponding to 3 to 4 m behind the vehicle body V, and the distance trajectory line L2 is a distance corresponding to 10 to 12 m behind the vehicle body V, and the distance trajectory line L3 is equivalent to the vehicle. The distance from the rear of the body V is 20~24m. When reinstalling, the distance line is drawn in the corresponding distance of the actual environment, and then input into the image processing module 20 according to the distance line, and the distance track lines L1, L2, and L3 after the input are Can be expressed in the live image as the distance of the distance (as shown in Figure 3), and when there is a car in the live image (as shown in Figures 6, 7), the user through the distance trajectory L1 L2, L3, can directly know the distance between the car and itself, and immediately make appropriate disposal.

In the embodiment, the image processing module 20 is connected to the directional light module 40 of the vehicle body V for receiving the driving signal when the directional light is activated, and forms a mode for synchronous operation with the directional light; thereby, in use The image processing module 20 can display the unmarked instant image, and the image processing module 20 receives the driving signal synchronously when the driver wants to turn or change the lane start direction light. The distance mark L is combined with the live image and appropriately rendered according to preset conditions (such as the picture shown in FIG. 3). In a possible embodiment, the image processing module 20 is generally capable of synchronizing the actions of the directional lights on the same side of the camera element 10.

During driving, the higher the speed of the vehicle, the higher the safety distance is. In the same way, the vehicle must be kept at a safe distance according to the vehicle speed and the rear side. In this embodiment, the image processing module 20 can be The vehicle speed of the vehicle body V adjusts the performance mode of the distance mark L, so that the driver can intuitively see the safety distance that should be paid special attention to the current speed from the screen. The image processing module 20 is connected to the power system of the vehicle body V or the GPS unit 50 to obtain the vehicle speed information of the vehicle body V traveling state, and changes the distance trajectory line L1 of the distance mark L according to the set vehicle speed condition. , L2, L3 color.

For example, as shown in Figures 3 to 5, the usage scenarios of different vehicle speeds S are respectively indicated; wherein, the third figure represents the situation of the lower vehicle speed S (25 km/hr), and the image processing module 20 determines the speed according to the vehicle speed condition. The lower than the discoloration condition, so the distance lines L1, L2, and L3 of the near, middle, and far distances are unchanged (the blank is used to indicate safe green); the fourth figure shows the conventional speed S (40km/hr). In the scenario, the image processing module 20 changes the color of the near distance trajectory line L1 according to the vehicle speed condition (the yellow line of the warning is indicated by a single oblique line in the figure), and the two distance trajectories L2 and L3 of the middle and the far distance are not made due to the discoloration condition. Change; Figure 5 shows the situation of higher vehicle speed S (80km/hr). The image processing module 20 changes the color of the two distance trajectories L1 and L2 according to the vehicle speed condition, and the far distance trajectory line L3 is not The discoloration condition is unchanged without change; thereby, the driver can intuitively mark the distance L from the discoloration, and understand the safety distance that needs to be paid special attention to the current vehicle speed S. When it is found that there is a vehicle within the safety distance, it can be properly disposed immediately.

Further, in the vehicle side safety distance display system of the embodiment, an image comparison module 60 and a warning unit 70 can be added, and the image comparison module 60 is connected to the image processing module 20 for acquiring image data and utilizing The real-time image is compared, and the image can be compared according to the image of the L-position area corresponding to the distance mark in the instant image, and the image is compared to determine whether there is a car in the location area, and the warning signal is generated according to the image processing mode. The group 20 and the warning unit 70 can respectively receive the warning signal, and the image processing module 20 can further utilize the warning signal to make an independent judgment or comprehensive judgment with the vehicle speed signal as a condition for changing the color of the distance mark L, and the warning unit 70 is used. A warning or a warning to the driver can be made based on the warning signal.

Referring again to Figures 6 and 7, respectively, the use scenarios in which the different vehicle speeds S and the distance to the vehicle are different; wherein, Fig. 6 shows the situation of the conventional vehicle speed S (40 km/hr), and the color of the distance trajectory L1 changes in the preceding example. The distance trajectories L2 and L3 are unchanged, when there is a coming car approaching, The image processing module 20 can comprehensively judge the comprehensive speed signal according to the comparison result of the image comparison module 60. In this example, the distance trajectory lines L1, L2, and L3 are not added because of the distance that the vehicle does not reach the warning. Change; Figure 7 shows the situation of higher vehicle speed S (80km/hr). The color of the distance trajectory L1 and L2 changes before the distance, and the distance trajectory L3 does not change. When the vehicle approaches the warning distance (distance trajectory L2) The image processing module 20 can comprehensively judge the comprehensive speed signal according to the comparison result of the image comparison module 60. In this example, the vehicle is already in the alert distance, so the distance trajectory of the corresponding position is further The color change of L2 (the red line in the figure indicates the dangerous red), so that the driver can intuitively mark the distance L from the discoloration, and immediately know that the safety distance between the current and the coming workshop is insufficient, and it is not appropriate to perform the rerouting operation.

It can be seen from the above that the vehicle safety distance display system has a simple structure, convenient installation tools and low cost. It provides a simple and intuitive way to determine the distance of the driver while sweeping the blind zone, and can be widely applied to various types of vehicles and driver habits. To achieve the effect of improving driving safety. The above examples are only for explaining the technical ideas and characteristics of the creation, such as the judgment standard and the change position of the system operation, which can be determined according to the actual needs. When the conditions of the examples are not limited, the scope of protection should be described later. The scope of application for patents shall prevail, and any changes or modifications made in accordance with the spirit of this creation shall be covered by this creative technical idea.

Claims (9)

A vehicle-side safety distance display system includes: a camera unit mounted on a side of the vehicle body for capturing an instant image of the rear side of the vehicle body; and an image processing module connected to the camera element, The image processing module has a virtual distance mark built in the image processing module, and the distance mark is combined in the instant image to form an instant image with a virtual distance mark. The display mode of the distance mark can be changed according to a preset condition; and a display element is connected to the image processing module to display at least the live image processed by the image processing module. The vehicle side safety distance display system according to claim 1, wherein the operation of the image processing module is based on a driving signal when the vehicle body direction light is activated. The vehicle side safety distance display system according to claim 2, wherein the operation of the image processing module is further based on a driving signal when the direction lamp of the same side of the camera is activated. The vehicle side safety distance display system according to claim 1, wherein the preset condition for changing the distance mark expression mode includes at least a vehicle speed condition. The vehicle side safety distance display system according to claim 4, wherein the image processing module is connected to a GPS unit capable of providing the vehicle body speed information. The vehicle side safety distance display system according to claim 1, wherein the distance mark comprises a plurality of distance trajectories representing different distances. The vehicle side safety distance display system of claim 6, wherein the changeable mode of the distance mark comprises at least a color change of the distance track lines. The vehicle side safety distance display system according to item 4 of the patent application scope, wherein the image The processing module is further connected with an image comparison module, wherein the image comparison module is configured to provide a warning signal to the instant image, and the preset condition for changing the display mode of the distance mark further includes the warning signal. According to the vehicle side safety distance display system of claim 8, wherein the image comparison module is further connected with a warning unit capable of emitting a warning sound or warning light according to the warning signal.