CN213547682U

CN213547682U - ADAS camera focus adjustable rack test system

Info

Publication number: CN213547682U
Application number: CN202023017538.3U
Authority: CN
Inventors: 陈飞; 段吉; 戴力
Original assignee: Wuhan Jimu Intelligent Technology Co ltd
Current assignee: Wuhan Jimu Intelligent Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-06-25
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a ADAS camera focus adjustable rack test system, include: the device comprises a test bench, a display screen, an ADAS camera, a fixed support, an upper computer and a power supply; the display screen is arranged on the test bench, the ADAS camera is arranged on the test bench through the fixing support and is opposite to the display screen, the upper computer is connected with the ADAS camera, and the power supply is connected with the display screen, the ADAS camera and the upper computer; the ADAS camera is also provided with a zooming ring for adjusting the visual angle of the ADAS camera and a focusing ring for adjusting the focal length of the ADAS camera. The utility model discloses utilize the fixed bolster to set up the ADAS camera on the test bench just to the display screen, provide the effective bench test calibration environment for the ADAS camera; the ADAS camera is also provided with a zooming ring and a focusing ring, so that the camera can adapt to displays with different sizes or different distances, and the road scene video played back in the display can be clearly identified, and the calibration test consistency of the ADAS system on the rack is ensured.

Description

ADAS camera focus adjustable rack test system

Technical Field

The utility model belongs to the technical field of the senior driver assistance system of car, concretely relates to ADAS camera focus adjustable rack test system.

Background

An Advanced Driver Assistance System (ADAS) senses surrounding environments in the driving process of an automobile by using various sensors mounted on the automobile, identifies, detects and tracks static and dynamic objects through an algorithm, and analyzes the road environment in an image. The camera is ADAS core sensor, and functions such as road sign discernment, lane line response, pedestrian discernment, vehicle discernment can be realized to the ADAS system based on ADAS camera to let the driver perceive the danger that probably takes place in advance, effectively increase automobile driving's travelling comfort and security. The main purpose of the ADAS camera is to identify the vehicle road scene.

The bench test is performed before the actual drive test of the ADAS product, and whether the related functions of the ADAS system are normal or not is verified. Only after the bench test verification is passed, the ADAS product can be taken to the actual road for actual drive test. During bench testing, an ADAS camera is used for capturing road scene videos played back in a display to the display on the bench, and then target objects such as road lane lines, speed limit signs, pedestrians and vehicles in the road scene videos are recognized.

At present, an ordinary photography tripod is generally used for fixing an ADAS camera in a bench test, but the ordinary photography tripod is difficult to fix the relative distance between the ADAS camera and a test bench, so that the tripod needs to be installed and debugged again in each test. Also, the general ADAS camera is an optical lens designed for a vehicle-mounted scene, and thus it is difficult to clearly recognize a road scene video played back in a display at the time of bench test. In addition, during the bench test, the definition of the identified picture is generally adjusted by adjusting the distance from the tripod to the display, and the adjusting mode is greatly influenced by the environment and cannot be finely adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ADAS camera focus adjustable rack test system, for the ADAS camera provides effectual rack test calibration environment, make the road scene video of playback in the ADAS camera can the clear discernment display.

The utility model provides a ADAS camera focus adjustable rack test system, include: the device comprises a test bench, a display screen, an ADAS camera, a fixed support, an upper computer and a power supply;

the display screen is arranged on the test bench, the ADAS camera is arranged on the test bench through the fixing support and is opposite to the display screen, the upper computer is connected with the ADAS camera, and the power supply is connected with the display screen, the ADAS camera and the upper computer;

the ADAS camera is also provided with a zooming ring for adjusting the visual angle of the ADAS camera and a focusing ring for adjusting the focal length of the ADAS camera.

Furthermore, the upper computer comprises a man-machine interaction unit for displaying an identification picture of the ADAS camera in real time, an application unit for verifying the ADAS function and generating a test report, and a control unit for setting a test mode; the control unit is connected with the man-machine interaction unit and the application unit.

Furthermore, the bottom of the fixed support is provided with a support limiting groove, and the fixed support is clamped with the test bench through the support limiting groove.

Further, the fixed support is fixed on the test bench through a 3M double-faced adhesive tape.

Further, the host computer is connected with the display screen.

The utility model has the advantages that: the utility model discloses a platform test system with adjustable ADAS camera focus utilizes the fixed bolster to set up the ADAS camera on the test platform just to the display screen, provides the effective platform test calibration environment for the ADAS camera; the ADAS camera is also provided with a zooming ring for adjusting the visual angle of the ADAS camera and a focusing ring for adjusting the focal length of the ADAS camera, so that the camera can adapt to displays with different sizes or different distances, road scene videos played back in the displays can be clearly identified, and the calibration test consistency of the ADAS system on the rack is ensured.

Furthermore, the upper computer comprises a human-computer interaction unit for displaying the identification picture of the ADAS camera in real time, and the ADAS camera can be adjusted according to the actual identification picture in the human-computer interaction unit; when the upper computer is connected with the display screen, the display screen can be directly controlled by the upper computer.

Drawings

Figure 1 is the utility model discloses a platform test system structure schematic diagram of ADAS camera focus adjustable.

Fig. 2 is a schematic view of the fixing bracket structure of the present invention.

Fig. 3 is a schematic diagram of the upper computer structure of the present invention.

Fig. 4 is a schematic diagram of the man-machine interaction unit interface of the present invention.

In the figure: 1-ADAS camera, 2-fixed support, 3-camera visual angle, 4-support spacing groove.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

the utility model discloses a platform test system with adjustable ADAS camera focus utilizes the fixed bolster to set up the ADAS camera on the test platform just to the display screen, provides the effective platform test calibration environment for the ADAS camera; the ADAS camera is also provided with a zooming ring for adjusting the visual angle of the ADAS camera and a focusing ring for adjusting the focal length of the ADAS camera, so that the camera can adapt to displays with different sizes or different distances, road scene videos played back in the displays can be clearly identified, and the calibration test consistency of the ADAS system on the rack is ensured.

The utility model discloses ADAS camera focus adjustable rack test system, as shown in figure 1 and figure 2, include: the device comprises a test bench, a display screen, an ADAS camera 1, a fixed support 2, an upper computer and a power supply;

the display screen is arranged on the test bench, the ADAS camera 1 is arranged on the test bench through the fixing support 2 and is opposite to the display screen, the upper computer is connected with the ADAS camera, and the power supply is connected with the display screen, the ADAS camera and the upper computer;

the ADAS camera is also provided with a zooming ring for adjusting the visual angle of the ADAS camera and a focusing ring for adjusting the focal length of the ADAS camera. As shown in fig. 2, the zoom ring is adjusted to change the view angle of the camera, so that the size of the view angle 3 of the camera just covers the full screen of the display screen; and adjusting the focusing ring to enable the camera to clearly collect the playback video of the display screen.

As shown in fig. 3, the upper computer includes a human-computer interaction unit for displaying the ADAS camera recognition picture in real time, as shown in fig. 4, the human-computer interaction unit interface includes a camera recognition content area, a recognition state area, and a control button, and the function of the control button can be freely set according to the requirement. Therefore, the ADAS camera can be adjusted according to the real recognition picture in the human-computer interaction unit, so that the camera can clearly and completely recognize the road scene video played back in the display. The application unit for verifying the ADAS function and generating the test report and the control unit for setting the test mode can also be controlled by the control button of the human-computer interaction unit interface. The function expansion can also be carried out through a human-computer interaction unit, namely an HMI unit. And (3) combining related settings of the HMI expansion function, such as externally connecting a simulated can information module, constructing other linkage scene tests and the like.

As shown in fig. 2, the bottom of the fixing bracket 2 is provided with a bracket limiting groove 4, and the fixing bracket is clamped with the test bench through the bracket limiting groove 4. In addition, the fixed bracket is fixed on the test bench by a 3M double-sided adhesive tape. The ADAS camera is fixed and consistent in vertical height through the fixing support with the specific length, and the problem that the consistency of algorithm identification is influenced due to the change of the height or the fixing position of the camera in the playback test process is solved. The test bench avoids the influence on the algorithm test result due to unfixed test environment.

When the upper computer is connected with the display screen, the display screen and the camera can be directly controlled through the upper computer, and operation of a user is facilitated.

The utility model also provides an above-mentioned ADAS camera focus adjustable rack test system's demarcation application method, including following step:

s1, placing the display screen on the test bench, fixing the ADAS camera on the test bench just opposite to the display screen by using the fixing support, and adjusting the lens visual angle of the ADAS camera. And the upper computer and the ADAS camera are connected.

S2, starting a display screen, an upper computer and an ADAS camera.

And S3, observing whether the visual angle of the ADAS camera covers the full screen of the display screen through a human-computer interaction unit interface of the upper computer, and if not, rotating the zoom ring and simultaneously checking whether the picture covers the full screen of the display screen. And adjusting the zoom ring until the size of the angle of view of the ADAS camera just covers the full screen of the display.

And S4, rotating the focusing ring to confirm whether the picture is clear. If not, the focusing ring is adjusted to make the picture clear.

And S5, starting a display screen to play back the road scene video through a control unit of the upper computer, and setting a playback simulation vehicle speed.

And S6, the application unit of the upper computer verifies whether the ADAS function is normal according to the picture identified by the camera and generates a corresponding test report. For example, when the upper computer judges that the vehicle collides with the front vehicle according to the picture recognized by the camera, the information is displayed on a human-computer interaction unit interface, or displayed on a test report, or through an audible and visual alarm, or a can message is output. And then comparing with a correct result, and verifying the function of the ADAS product or the accuracy of the algorithm. The comparison result can also be directly displayed on a human-computer interaction unit interface or a test report.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a platform test system of ADAS camera focus adjustable which characterized in that includes: the device comprises a test bench, a display screen, an ADAS camera, a fixed support, an upper computer and a power supply;

2. The system for testing the adjustable focal length of the ADAS camera according to claim 1, wherein the upper computer comprises a human-computer interaction unit for displaying the identification picture of the ADAS camera in real time, an application unit for verifying the ADAS function and generating a test report, and a control unit for setting a test mode; the control unit is connected with the man-machine interaction unit and the application unit.

3. The ADAS camera focus adjustable stage test system according to claim 1, wherein the bottom of the fixing bracket is provided with a bracket limiting groove, and the fixing bracket is clamped with the test stage through the bracket limiting groove.

4. The ADAS camera focus adjustable stage test system of claim 1, wherein the mounting bracket is secured to the test stage by 3M double sided tape.

5. The ADAS camera focal length adjustable bench test system of claim 1, wherein the upper computer is connected to the display screen.