Automatic driving visual system reliability testing device

Abstract

The utility model discloses a reliability testing device for an automatic driving visual system. Comprising a base arranged on a tested vehicle, a camera arranged on the base and used for collecting images in front of the tested vehicle, a spray head used for spraying sewage to the periphery of the camera, a water pump connected with the spray head and a water retaining strip arranged on a front windshield of the tested vehicle, and a water storage cavity for containing the sewage is formed in the base; the water pump communicates with the water storage cavity. The reliability testing device for the automatic driving visual system can actively make obstacles of the vehicle visual system so as to simulate whether the vehicle can make effective and timely feedback when the vehicle visual system suddenly fails, thereby achieving the purposes of avoiding accidents and protecting the life and property safety of vehicle drivers and passengers. The visual disorder working condition can be accurately and timely simulated, and the test accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of test equipment, specifically, the utility model relates to a kind of automatic driving vision system reliability test device. BACKGROUND

[0002] With the rapid development of vehicle auxiliary driving technology in recent years, the auxiliary driving capability of vehicle has developed from the initial constant speed cruise to ACC (Adaptive Cruise Control) adaptive cruise and lane keeping, and then to the current automatic steering, automatic obstacle avoidance, automatic start-stop at red light and other high-level auxiliary driving functions. Currently, some vehicle manufacturers have announced that they will gradually realize L3 level or even L4 level automatic driving technology release without driver supervision in the future. The implementation of the current vehicle auxiliary driving system is mainly through a camera-based vision system combined with a radar-assisted fusion perception scheme, or even some vehicle manufacturers simply use a camera-based pure vision system. It can be foreseen that the reliability of the vision system will be very important in the safety of future auxiliary driving.

[0003] A kind of automatic driving car function safety test is disclosed in Chinese patent No. 202310940431.5, which is an automatic front-view camera shielding device, including a fixed module, a transmission module, a shielding module and a control module. The present application has the beneficial effects: the present application has strong reliability and executability in the function safety whole vehicle level shielding fault test on the vehicle with driving assistance system. It can shield the front-view camera of the vehicle with driving assistance function, and realize automatic shielding process to verify the safety target of the vehicle. The main purpose of the patent is to actively create obstacles for vehicle vision system by the designed device, so as to simulate whether the vehicle can make effective and timely feedback when the vehicle vision system suddenly fails, in order to achieve the purpose of protecting the life and property safety of vehicle passengers. The patent only supports the shielding of front-view camera. If you want to realize the shielding of other position cameras, you need to install multiple systems and control each system separately, which is not convenient when testing complex conditions.

[0004] Chinese patent No. 202022939636.6 discloses a rain test device for automatic driving vehicle. The rain test device is arranged on the vehicle body and includes a power supply device, a water storage device, a pump body, a water delivery pipeline, a nozzle and a measured sensor corresponding to the nozzle. The two ends of the water delivery pipeline are connected to the water storage device and the nozzle, and the pump body is installed on the water delivery pipeline. The pump body and the measured sensor are electrically connected to the power supply device. Since the rain test device is installed on the vehicle body as a whole, the rain test of the automatic driving vehicle can be carried out as soon as the rain test device starts working, and is not affected by the driving environment of the automatic driving vehicle. The patent is mainly developed to simulate rain conditions, and does not have the ability to actively identify the working conditions and actively work for the camera.

[0005] It is desirable to provide an improved automatic driving vision system reliability testing device, in particular, how to accurately and timely simulate visual impairment working conditions, improve test accuracy. Utility model content

[0006] The utility model discloses at least solve one of the prior art technical problems. To this end, the utility model provides an automatic driving vision system reliability testing device, the purpose is accurately and timely simulates visual impairment working conditions, improves test accuracy.

[0007] In order to realize the above-mentioned purpose, the technical scheme that the utility model adopts is as follows: automatic driving vision system reliability testing device, including the base that is arranged on the vehicle to be measured, the camera for gathering the image in front of the vehicle to be measured that is arranged on the base, the spray head for spraying sewage to the camera around, the water pump that is connected with the spray head and the water baffle that is arranged on the front windshield of the vehicle to be measured, the water storage cavity that contains sewage is arranged in the base interior, and the water pump is communicated with the water storage cavity.

[0008] The water pump is arranged on the base, and the water pump is connected with the spray head through the water delivery pipe.

[0009] The base includes the tray and the sewage tank that is arranged on the tray, the water pump is arranged on the tray and is connected with the sewage tank through the water pipe, and the water pump is connected with the storage battery through the power supply circuit.

[0010] The controller is arranged on the tray, the controller is connected with the camera through the data line, and the controller is connected with the storage battery through the power supply circuit.

[0011] The tray is installed on the top of the vehicle to be measured.

[0012] The water baffle is located at the right side of the driver's line of sight of the vehicle to be measured and is located at the left side of the camera.

[0013] The automatic driving vision system reliability testing device can actively create vehicle vision system obstacles, so as to simulate whether the vehicle can make effective and timely feedback when the vehicle vision system suddenly fails, so as to achieve the purpose of avoiding accidents and protecting the life and property safety of the vehicle passengers, can accurately and timely simulate visual impairment working conditions, improve test accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present specification includes the following drawings, and the shown contents are respectively:

[0015] Figure 1 It is the structure schematic diagram of the automatic driving vision system reliability testing device of the utility model;

[0016] Figure 2Another structural schematic view of the automatic driving visual system reliability test device is shown in the utility model.

[0017] Figure 3 The schematic diagram of the obstacle avoidance working condition is shown in the utility model.

[0018] Figure 4 The schematic diagram of the lane changing working condition is shown in the utility model.

[0019] Figure 5 The schematic diagram of the curve working condition is shown in the utility model.

[0020] In the figure, 1 is a tray, 2 is a controller, 3 is a storage battery, 4 is a water pump, 5 is a sewage tank, 6 is a camera, 7 is a water baffle, 8 is a spray head, 9 is a water delivery pipe, and 10 is a vehicle to be measured. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model are further described in detail below by comparing the drawings and the description of the embodiments, the purpose being to help the technicians in the field have a more complete, accurate and in-depth understanding of the concept and technical scheme of the utility model and help them implement the utility model.

[0022] As shown in Figure 1 and Figure 2 , the utility model provides a kind of automatic driving visual system reliability test device, including the base of being arranged on the vehicle to be measured 10, storage battery 3, controller 2, the camera 6 for being arranged on base and being used to collect the image of the front of vehicle to be measured 10, the spray head 8 for being used to spray sewage around camera 6, water pump 4 connected with spray head 8 and the water baffle 7 being arranged on the front windshield of vehicle to be measured 10, base interior is provided with the water storage cavity containing sewage, and water pump 4 is communicated with water storage cavity.

[0023] Specifically, as shown in Figure 1 and Figure 2 , base includes tray 1 and sewage tank 5 fixedly arranged on tray 1, water storage cavity is the inner cavity of sewage tank 5, and tray 1 is installed on the top of vehicle to be measured 10.Water pump 4 is arranged on tray 1 and connected with sewage tank 5 by water pipe, and water pump 4 is connected with storage battery 3 by power supply line, and water pump 4 is controlled by controller 2.Water pump 4 is connected with spray head 8 by water delivery pipe 9, and spray head 8 is installed on the top of vehicle to be measured 10, and the height of spray head 8 is less than the height of camera 6.Camera 6 is installed on tray 1 at front position and connected with controller 2 by data transmission line, and spray head 8 sprays sewage to the front area of camera 6.Controller 2 is arranged on tray 1, and controller 2 is connected with camera 6 by data line, and controller 2 is connected with storage battery 3 by power supply line.

[0024] As shown in Figure 1 and Figure 2As shown, the water baffle 7 is arranged from top to bottom along the front windshield, and the water baffle 7 is located on the right side of the driver's line of sight of the vehicle 10 to be tested and on the left side of the camera 6, and the water baffle 7 is used to prevent sewage from flowing to the part of the front windshield directly facing the driver. The method of arranging the water baffle 7 can avoid the test personnel's line of sight being polluted, facilitate the test personnel to judge the driving state of the vehicle 10 to be tested, and ensure the test safety.

[0025] The test device with the above structure can realize mode switching of various test working conditions, is convenient to install, has low use and maintenance cost, has high automation degree, and better improves test efficiency.

[0026] When the vehicle 10 to be tested starts the automatic driving system and is in the obstacle avoidance working condition as shown in the figure, Figure 3 When the vehicle 10 to be tested starts the automatic driving system and is in the obstacle avoidance working condition as shown in the figure,

[0027] When the vehicle 10 to be tested starts the automatic driving system and is in the lane changing working condition as shown in the figure, Figure 4 When the vehicle 10 to be tested starts the automatic driving system and is in the lane changing working condition as shown in the figure,

[0028] When the vehicle 10 to be tested starts the automatic driving system and is in the curve working condition as shown in the figure, Figure 5 When the vehicle 10 to be tested starts the automatic driving system and is in the curve working condition as shown in the figure,

[0029] In the utility model, the control method that camera 6 and controller 2 are jointly controlled is adopted, full automation of the test procedure is realized, and test accuracy is considered.

[0030] In the utility model, the modular design idea that all the equipment is installed on the tray 1 and then the tray 1 is fixed on the roof makes the installation of the test equipment more convenient and shortens the preparation time of the test.

[0031] The water baffle 7 is used for isolating the sewage flow direction of the front windshield on the main driver side, so that the realization of the test personnel is not polluted, and the test safety is considered.

[0032] The utility model is described exemplarily above in combination with the drawings. Obviously, the utility model is not limited by the above mode in the specific implementation. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above concept and technical scheme of the utility model are directly applied to other occasions without improvement, all fall within the protection scope of the utility model.

Claims

1. An autonomous driving vision system reliability testing apparatus, characterized in that: The base is arranged on the vehicle to be tested, the camera is arranged on the base and used for collecting images in front of the vehicle to be tested, the spray head is used for spraying sewage around the camera, the water pump is connected with the spray head, and the water baffle is arranged on the front windshield of the vehicle to be tested.

2. The apparatus of claim 1, wherein: The water pump is arranged on the base, and the water pump is connected with the spray head through the water supply pipe.

3. The apparatus of claim 1, wherein: The base comprises a tray and a sewage tank arranged on the tray, the water pump is arranged on the tray and connected with the sewage tank through the water pipe, and the water pump is connected with the storage battery through the power supply line.

4. The apparatus of claim 3, wherein: The controller is arranged on the tray, the controller is connected with the camera through the data line, and the controller is connected with the storage battery through the power supply line.

5. The apparatus of claim 3, wherein: The tray is installed on the top of the vehicle to be tested.

6. The automatic driving vision system reliability test device according to any one of claims 1 to 5, characterized in that: The water baffle is located on the right side of the driver's line of sight of the vehicle to be tested and on the left side of the camera.

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