A method, device and storage medium for matching arrangement of a column with a front windshield glass
By obtaining the current height difference and angle between the A-pillar and the windshield in a rain test environment, activating the windshield wipers to take pictures of the field of view, analyzing and recording the optimized layout parameters, the problem of rearview mirrors being obstructed in rainy weather was solved, and a fast and effective coordination between the A-pillar and the windshield was achieved, improving driving safety and layout efficiency.
Patent Information
- Application Number
- CN202310180441.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-02-24
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2043-02-24
AI Technical Summary
When driving in the rain, rainwater on the vehicle's side windows obstructs the rearview mirror's view, affecting driving safety. Existing technology improvements are too late and costly, impacting project development progress and consuming significant human and material resources.
By obtaining the current height difference and angle between the A-pillar and the windshield in a rain test environment, activating the windshield wipers to take pictures of the observation field, analyzing and recording the optimized arrangement parameters, a rapid matching arrangement of the A-pillar and the windshield can be achieved.
A quick and efficient arrangement of the A-pillar and windshield relationship avoids repeated modifications to the rear design and seams, saves development costs, improves driving safety, reduces improvement costs, and speeds up project progress.
Smart Images

Figure CN116305440B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of vehicle design and development, and particularly relates to an A-pillar and front windshield cooperation arrangement method, device, equipment and storage medium. BACKGROUND
[0002] When the whole vehicle is driven in a rainy day, if the rainfall is large, the windshield wiper will brush a large amount of rainwater, which will flow over the A-pillar to the side window glass of the vehicle, and may block the field of view of the outside rearview mirror.
[0003] The existing processing method is generally to wait until the vehicle is used by the user for a period of time to find out the problem and complain, and then feedback to the host factory for design improvement. The existing verification method has the problems that the optimization and improvement program is too late, the improvement cost is too large, it is difficult to improve after the vehicle is mass-produced, the development progress of the project is seriously affected, and a large amount of manpower and material resources are consumed. SUMMARY
[0004] The main purpose of the present application is to provide an A-pillar and front windshield cooperation arrangement method, device, equipment and storage medium, which aims to solve the technical problems in the prior art that the vehicle side window glass is blocked by rainwater during driving in a rainy day with large rainfall, resulting in poor field of view of the rearview mirror, affecting the driving safety of the user, waiting for the user to feedback the problem to the host factory for design improvement, the optimization and improvement program is too late, the improvement cost is too large, which will affect the development progress of the project, and a large amount of manpower and material resources are consumed.
[0005] In a first aspect, the present application provides an A-pillar and front windshield cooperation arrangement method, which comprises the following steps:
[0006] When the to-be-tested vehicle is in a rainwater test environment, the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state;
[0007] The to-be-tested vehicle and the windshield wiper are started, and an observation field of view picture of the outside rearview mirror is obtained by shooting through the front door window glass at a preset observation point in the vehicle at a current vehicle speed;
[0008] The observation field of view picture is analyzed, and when the observation field of view picture meets a preset field of view blocking condition, the current height difference and the current angle are taken as the optimization arrangement parameters corresponding to the current vehicle speed, and the optimization arrangement parameters are recorded and fed back.
[0009] Optionally, when the to-be-tested vehicle is in a rainwater test environment, the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state, which comprises:
[0010] When the rainwater test environment is an outdoor site, detecting real-time rainfall at the current time;
[0011] When the real-time rainfall is greater than a preset rainfall threshold, determining that the vehicle under test is in the rainwater test environment, and acquiring a current height difference and a current angle between an A-pillar and a front windshield of the vehicle under test, the relative position between the A-pillar and the front windshield being adjustable;
[0012] When the rainwater test environment is an indoor site, fixing the vehicle under test on a roller test machine, and setting a rainwater simulator and a blower in front of or above the front windshield of the vehicle under test, the wind speed of the blower being positively correlated with a current vehicle speed of the vehicle under test;
[0013] When the simulated rainfall of the rainwater simulator is greater than the preset rainfall threshold, determining that the vehicle under test is in the rainwater test environment, and acquiring a current height difference and a current angle between an A-pillar and a front windshield of the vehicle under test.
[0014] Optionally, the starting of the vehicle under test and the wiper includes:
[0015] starting the vehicle under test and the wiper, and controlling the gear of the wiper to be at a preset gear;
[0016] acquiring an eye point of an eye ellipse of a preset proportion human model, and taking the eye point as a preset observation point in the vehicle;
[0017] acquiring, by a shooting device, an observation field picture of the rearview mirror outside the vehicle, which is taken by the preset observation point in the vehicle through the front door window glass at the current vehicle speed.
[0018] Optionally, the acquiring of the observation field picture of the rearview mirror outside the vehicle, which is taken by the preset observation point in the vehicle through the front door window glass at the current vehicle speed, includes:
[0019] determining a field of view area of the front door window glass according to a line connecting the preset observation point and an outer boundary of a lens of the rearview mirror outside the vehicle;
[0020] shooting, by a shooting device, the field of view area at the preset observation point to obtain an observation field picture.
[0021] Optionally, the determining of the field of view area of the front door window glass according to the line connecting the preset observation point and the outer boundary of the lens of the rearview mirror outside the vehicle includes:
[0022] Different preset observation points are connected with the outer boundary of the lens of the exterior rearview mirror respectively, the intersection of the connection line and the front door window glass is obtained, and the intersection points are connected to generate a field of view area on the front door window glass.
[0023] Optionally, the observation field picture is analyzed, when the observation field picture meets a preset field shielding condition, the current height difference and the current angle are taken as the optimized arrangement parameters corresponding to the current vehicle speed, the optimized arrangement parameters are recorded and fed back, and the method comprises the following steps of:
[0024] A preset shielding area threshold in the preset field shielding condition is obtained.
[0025] The shielding area of the rainwater shielding field of view in the observation field picture is compared with the preset shielding area threshold.
[0026] When the shielding area does not exceed the preset shielding area threshold, the current height difference and the current angle are taken as the optimized arrangement parameters corresponding to the current vehicle speed, the optimized arrangement parameters are recorded, and the optimized arrangement parameters are fed back to a vehicle design terminal.
[0027] Optionally, after the comparison of the shielding area of the rainwater shielding field of view in the observation field picture with the preset shielding area threshold, the A-pillar and front windshield arrangement method further comprises the following steps of:
[0028] When the shielding area exceeds the preset shielding area threshold, the height difference and the angle between the A-pillar and the front windshield of the vehicle to be tested are adjusted to obtain a test height difference and a test angle.
[0029] The current observation field picture under different vehicle speeds is reacquired according to the test height difference and the test angle, and a current shielding area of the rainwater shielding field of view is obtained from the current observation field picture.
[0030] The current shielding area is compared with the preset shielding area threshold, when the current shielding area does not exceed the preset shielding area threshold, the test height difference and the test angle are taken as the optimized arrangement parameters corresponding to the vehicle speed, and the optimized arrangement parameters are fed back to the vehicle design terminal.
[0031] When the current shielding area exceeds the preset shielding area threshold, the height difference and the angle between the A-pillar and the front windshield of the vehicle to be tested are repeatedly adjusted until the reacquired target shielding area does not exceed the preset shielding area threshold.
[0032] In the second aspect, in order to achieve the above object, the application further provides an A-pillar and front windshield arrangement device, which comprises:
[0033] a parameter acquisition module, configured to acquire a current height difference and a current angle between an A-pillar and a front windshield of a to-be-tested vehicle when the to-be-tested vehicle is in a rain test environment, the relative position between the A-pillar and the front windshield being adjustable;
[0034] a field of view picture acquisition module, configured to start the to-be-tested vehicle and a wiper, and acquire an observation field of view picture of a rearview mirror outside a vehicle taken by a preset observation point inside the vehicle through a front door window glass at a current vehicle speed;
[0035] an analysis feedback module, configured to analyze the observation field of view picture, and when the observation field of view picture meets a preset field of view shielding condition, take the current height difference and the current angle as optimized arrangement parameters corresponding to the current vehicle speed, record and feed back the optimized arrangement parameters.
[0036] In a third aspect, to achieve the above object, the present application further provides an A-pillar and front windshield arrangement device, which comprises a memory, a processor and an A-pillar and front windshield arrangement program stored in the memory and executable on the processor, and the A-pillar and front windshield arrangement program is configured to implement the steps of the A-pillar and front windshield arrangement method as described above.
[0037] In a fourth aspect, to achieve the above object, the present application further provides a storage medium, which stores an A-pillar and front windshield arrangement program, and the A-pillar and front windshield arrangement program implements the steps of the A-pillar and front windshield arrangement method as described above when executed by a processor.
[0038] The proposed method for arranging the A-pillar and windshield in this invention involves acquiring the current height difference and angle between the A-pillar and windshield of the vehicle under test in a rainy testing environment. The relative position between the A-pillar and windshield is adjustable. The vehicle and windshield wipers are activated, and an image of the view through the front door window of the exterior rearview mirror is captured from a preset observation point inside the vehicle at the current speed. This image is analyzed, and when the image meets preset occlusion conditions, the current height difference and angle are used as the optimized arrangement corresponding to the current vehicle speed. By setting parameters, recording and feeding back the optimized layout parameters, a reasonable fit between the A-pillar and the windshield can be quickly and effectively arranged, avoiding the risk of repeated modifications to the rear styling and seams, improving the efficiency of the A-pillar and windshield fit arrangement, and also allowing for rapid verification. This minimizes development costs for the A-pillar and windshield, enhances driving safety, and enables rapid design improvements for the A-pillar and windshield fit arrangement on different vehicle models, reducing improvement costs, accelerating project development, avoiding the waste of significant manpower and resources, and improving the speed and efficiency of A-pillar and windshield fit arrangement. Attached Figure Description
[0039] Figure 1 This is a schematic diagram of the device structure of the hardware operating environment involved in the embodiments of the present invention;
[0040] Figure 2 This is a flowchart illustrating the first embodiment of the method for arranging the A-pillar and windshield according to the present invention.
[0041] Figure 3 This is a flowchart illustrating the second embodiment of the method for arranging the A-pillar and windshield according to the present invention.
[0042] Figure 4 This is a flowchart illustrating the third embodiment of the method for arranging the A-pillar and windshield according to the present invention.
[0043] Figure 5 This is a flowchart illustrating the fourth embodiment of the method for arranging the A-pillar and windshield according to the present invention.
[0044] Figure 6 This is a flowchart illustrating the fifth embodiment of the method for arranging the A-pillar and windshield according to the present invention.
[0045] Figure 7 This is an optimized schematic diagram of the arrangement method of the A-pillar and the windshield in this invention;
[0046] Figure 8 This is a functional block diagram of the first embodiment of the A-pillar and windshield arrangement device of the present invention.
[0047] The objectives, functional features and advantages of the present application will be further illustrated in conjunction with the embodiments with reference to the accompanying drawings. DETAILED DESCRIPTION
[0048] It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
[0049] The solution of the embodiment of the present application is mainly: when the to-be-tested vehicle is in a rain test environment, the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state; the to-be-tested vehicle and the wiper are started, and an observation field picture of the outside rearview mirror photographed by the front door window glass at a preset observation point in the vehicle at a current vehicle speed is obtained; the observation field picture is analyzed, and when the observation field picture meets a preset field shielding condition, the current height difference and the current angle are taken as the optimized arrangement parameters corresponding to the current vehicle speed, the optimized arrangement parameters are recorded and fed back, the reasonable cooperation relationship between the A-pillar and the front windshield can be quickly and effectively arranged, the risk of repeated modification of the rear modeling and the joint is avoided, the arrangement efficiency of the cooperation relationship between the A-pillar and the front windshield is improved, and the development cost of the A-pillar and the front windshield is maximally saved, the driving safety of the user is improved, the arrangement improvement design of the cooperation between the A-pillar and the front windshield of different vehicle models is quickly realized, the improvement cost is reduced, the development progress of the project is accelerated, a large amount of manpower and material resources is avoided, the cooperation arrangement speed and efficiency of the A-pillar and the front windshield are improved, and the technical problem that the rearview mirror field of view is poor in the driving process in a heavy rain day due to the rainwater shielding of the side window glass of the vehicle, the driving safety of the user is affected, the improvement design is fed back to the host factory after the user feedback problem, the optimization improvement program is too late, and the improvement cost is too large, which affects the development progress of the project, and a large amount of manpower and material resources is consumed.
[0050] Reference Figure 1 , Figure 1 The device structure schematic diagram of the hardware running environment involved in the embodiment of the present application.
[0051] As Figure 1As shown, the device can include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Among them, the communication bus 1002 is used to realize the connection communication between these components. The user interface 1003 can include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 can also include a standard wired interface, a wireless interface. The network interface 1004 can optionally include a standard wired interface, a wireless interface (such as a Wi-Fi interface). The memory 1005 can be a high-speed RAM memory, or a stable memory (Non-Volatile Memory), such as a magnetic disk memory. The memory 1005 can also be an optional storage device independent of the aforementioned processor 1001.
[0052] Those skilled in the art can understand that, Figure 1 The device structure shown in the figure does not constitute a limitation on the device, and can include more or fewer components than the figure, or combine certain components, or different component arrangements.
[0053] As Figure 1 As shown, the memory 1005 as a storage medium can include an operating device, a network communication module, a user interface module, and an A-pillar and front windshield cooperation arrangement program.
[0054] The device of the application calls the A-pillar and front windshield cooperation arrangement program stored in the memory 1005 through the processor 1001, and performs the following operations:
[0055] When the vehicle to be tested is in a rain test environment, the current height difference and the current angle between the A-pillar and the front windshield of the vehicle to be tested are obtained, and the relative position between the A-pillar and the front windshield is adjustable;
[0056] Start the vehicle to be tested and the wiper, and obtain the observation field picture of the outside rearview mirror taken by the front door window glass at a preset observation point in the vehicle at the current vehicle speed;
[0057] The observation field picture is analyzed, and when the observation field picture meets the preset field shielding condition, the current height difference and the current angle are used as the optimization arrangement parameters corresponding to the current vehicle speed, and the optimization arrangement parameters are recorded and fed back.
[0058] The device of the application calls the A-pillar and front windshield cooperation arrangement program stored in the memory 1005 through the processor 1001, and also performs the following operations:
[0059] When the rain test environment is an outdoor site, detect the real-time rainfall at the current time;
[0060] When the real-time rainfall is greater than the preset rainfall threshold, it is determined that the vehicle under test is in the rainwater test environment, and the current height difference and the current angle between the A-pillar and the front windshield of the vehicle under test are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state.
[0061] When the rainwater test environment is an indoor site, the vehicle under test is fixed on a roller test machine, and a rainwater simulator and an air blower are arranged in front of or above the front windshield of the vehicle under test, and the wind speed of the air blower is positively correlated with the current speed of the vehicle under test.
[0062] When the simulated rainfall of the rainwater simulator is greater than the preset rainfall threshold, it is determined that the vehicle under test is in the rainwater test environment, and the current height difference and the current angle between the A-pillar and the front windshield of the vehicle under test are obtained.
[0063] The device of the application further performs the following operations by calling the A-pillar and front windshield cooperation arrangement program stored in the memory 1005 through the processor 1001:
[0064] Starting the vehicle under test and the wiper, and controlling the gear of the wiper to be at a preset gear;
[0065] Obtaining the eye point of the eye ellipse of a human body model of a preset proportion, and taking the eye point as a preset observation point in the vehicle;
[0066] Obtaining the observation field picture of the rearview mirror outside the vehicle by the photographing device through the front door window glass at the preset observation point in the vehicle at the current speed.
[0067] The device of the application further performs the following operations by calling the A-pillar and front windshield cooperation arrangement program stored in the memory 1005 through the processor 1001:
[0068] Determining the field of view area of the front door window glass according to the line connecting the preset observation point and the outer boundary of the lens of the rearview mirror outside the vehicle;
[0069] Obtaining the observation field picture by the photographing device at the preset observation point.
[0070] The device of the application further performs the following operations by calling the A-pillar and front windshield cooperation arrangement program stored in the memory 1005 through the processor 1001:
[0071] Connecting different preset observation points with the outer boundary of the lens of the rearview mirror outside the vehicle respectively, obtaining the intersection of the line and the front door window glass, connecting each intersection, and generating the field of view area on the front door window glass.
[0072] The device of the present application calls the A-pillar and front windshield matching arrangement program stored in the memory 1005 through the processor 1001, and further performs the following operations:
[0073] A preset occlusion area threshold in a preset visual field occlusion condition is obtained.
[0074] The occlusion area of the rainwater occluded visual field in the observed visual field picture is compared with the preset occlusion area threshold.
[0075] When the occlusion area does not exceed the preset occlusion area threshold, the current height difference and the current angle are taken as the optimized arrangement parameters corresponding to the current vehicle speed, the optimized arrangement parameters are recorded, and the optimized arrangement parameters are fed back to the vehicle design terminal.
[0076] The device of the present application calls the A-pillar and front windshield matching arrangement program stored in the memory 1005 through the processor 1001, and further performs the following operations:
[0077] When the occlusion area exceeds the preset occlusion area threshold, the height difference and the angle between the A-pillar and the front windshield of the vehicle to be tested are adjusted to obtain a test height difference and a test angle.
[0078] The current observed visual field picture under different vehicle speeds is reacquired according to the test height difference and the test angle, and a current occlusion area of the rainwater occluded visual field is obtained from the current observed visual field picture.
[0079] The current occlusion area is compared with the preset occlusion area threshold, and when the current occlusion area does not exceed the preset occlusion area threshold, the test height difference and the test angle are taken as the optimized arrangement parameters corresponding to the vehicle speed, and the optimized arrangement parameters are fed back to the vehicle design terminal.
[0080] When the current occlusion area exceeds the preset occlusion area threshold, the height difference and the angle between the A-pillar and the front windshield of the vehicle to be tested are repeatedly adjusted until the reacquired target occlusion area does not exceed the preset occlusion area threshold.
[0081] The embodiment obtains the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle when the to-be-tested vehicle is in a rainwater test environment, the relative position between the A-pillar and the front windshield is in an adjustable state, starts the to-be-tested vehicle and the wiper, obtains the observation field picture of the rearview mirror outside the vehicle taken by the front door window glass at a preset observation point in the vehicle at a current vehicle speed, analyzes the observation field picture, and records and feeds back the optimized arrangement parameters when the observation field picture meets the preset field shielding condition, so that the reasonable cooperation relationship between the A-pillar and the front windshield can be quickly and effectively arranged, the risk of repeated modification of the rear modeling and the joint gap is avoided, the arrangement efficiency of the cooperation relationship between the A-pillar and the front windshield is improved, the development cost of the A-pillar and the front windshield can be saved to the maximum extent, the driving safety of the user is improved, the arrangement improvement design of the cooperation between the A-pillar and the front windshield of different vehicle models is quickly realized, the improvement cost is reduced, the development progress of the project is accelerated, a large amount of manpower and material resources are avoided, and the cooperation arrangement speed and efficiency of the A-pillar and the front windshield are improved.
[0082] Based on the above hardware structure, the A-pillar and front windshield cooperation arrangement method embodiment of the application is proposed.
[0083] Reference Figure 2 , Figure 2 The first embodiment of the A-pillar and front windshield cooperation arrangement method is a flowchart.
[0084] In the first embodiment, the A-pillar and front windshield cooperation arrangement method comprises the following steps:
[0085] Step S10, when the to-be-tested vehicle is in a rainwater test environment, the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state.
[0086] It should be noted that when the to-be-tested vehicle is in a pre-test environment, the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle can be obtained in time, and the relative position between the A-pillar and the front windshield is in an adjustable state.
[0087] In a specific implementation, the rain test environment is a test environment with a large amount of rain in a rainy day. In order to test the positional relationship between the A-pillar and the front windshield of different vehicle models, the A-pillar and the front windshield are set to be adjustable. Of course, each vehicle model to be tested can be tested separately, and the present embodiment does not limit this. The connection between the A-pillar and the front windshield is not limited and can be hinged, buckled, looped, or other types of movable and adjustable connections, and the present embodiment does not limit this.
[0088] Step S20, start the vehicle to be tested and the wiper, and obtain an observation field picture of the rearview mirror outside the vehicle taken by the camera through the front door window glass at a preset observation point in the vehicle at the current vehicle speed.
[0089] It can be understood that after starting the vehicle to be tested and the wiper, the wiper can be turned on at a preset wiper gear during the driving of the vehicle to be tested. At this time, the observation field picture of the rearview mirror outside the vehicle taken by the camera through the front door window glass at a preset observation point in the vehicle at the current vehicle speed can be obtained.
[0090] Step S30, analyze the observation field picture, and when the observation field picture meets the preset field blocking condition, the current height difference and the current angle are taken as the optimized arrangement parameters corresponding to the current vehicle speed, and the optimized arrangement parameters are recorded and fed back.
[0091] It should be understood that after analyzing the observation field picture, it can be determined whether the observation field picture meets the preset field blocking condition according to the analysis result. Further, when the observation field picture meets the preset field blocking condition, the current height difference and the current angle that meet the blocking condition can be taken as the optimized arrangement parameters corresponding to the current vehicle speed, i.e., the best arrangement parameters for adjusting the relative position of the A-pillar and the front windshield. After obtaining the optimized arrangement parameters, they can be recorded in time, and the related optimized arrangement parameters can be fed back, which can be fed back to the vehicle setting center, the design terminal or the server for reference by relevant designers.
[0092] The embodiment obtains the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle, the relative position between the A-pillar and the front windshield is adjustable, when the to-be-tested vehicle is in the rainwater test environment, starts the to-be-tested vehicle and the wiper, obtains the observation field picture of the observation point in the vehicle shooting the rearview mirror outside the vehicle through the front door window glass at the current vehicle speed, analyzes the observation field picture, and records and feeds back the optimized arrangement parameter when the observation field picture meets the preset field shielding condition, so that the reasonable cooperation relationship between the A-pillar and the front windshield can be quickly and effectively arranged, the risk of repeated modification of the rear modeling and the joint gap is avoided, the arrangement efficiency of the cooperation relationship between the A-pillar and the front windshield is improved, and the development cost of the A-pillar and the front windshield is maximally saved.
[0093] Further, Figure 3 The flowchart of the A-pillar and front windshield cooperation arrangement method of the second embodiment of the application is shown in Figure 3 The second embodiment of the A-pillar and front windshield cooperation arrangement method of the application is proposed based on the first embodiment, and in the embodiment, the step S10 specifically includes the following steps.
[0094] In step S11, when the rainwater test environment is an outdoor site, the real-time rainfall at the current time is detected.
[0095] It should be noted that when the rainwater test environment is an outdoor site, the real-time rainfall at the current time can be detected in time.
[0096] In step S12, when the real-time rainfall is greater than the preset rainfall threshold, it is determined that the to-be-tested vehicle is in the rainwater test environment, and the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle are obtained, and the relative position between the A-pillar and the front windshield is adjustable.
[0097] It can be understood that the preset rainfall threshold is a rainfall threshold for judging whether the rainfall in the rain is large, when the real-time rainfall is greater than the preset rainfall threshold, it can be determined that the to-be-tested vehicle is in the rainwater test environment, and then the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle can be obtained, and the relative position between the A-pillar and the front windshield is adjustable.
[0098] Step S13, when the rain test environment is an indoor site, fixing the vehicle to be tested on a roller test machine, and setting a rain simulator and a blower in front of or above the front windshield of the vehicle to be tested, the wind speed of the blower is positively correlated with the current speed of the vehicle to be tested.
[0099] It should be understood that when the rain test environment is an indoor site, the vehicle to be tested can be fixed on a roller test machine, and of course can be directly tested in a large indoor area without relying on a roller test machine in a large factory site, and at the same time, a rain simulator and a blower can be set in front of or above the front windshield of the vehicle to be tested, and the setting mode of the rain simulator and the blower can be fixed by a large vehicle test bench, and of course can be set in front of or above the front windshield of the vehicle to be tested by other ways, such as a mechanical arm lifting or a dynamic adjustment mode relative to the vehicle to be tested, which is not limited in the embodiment; the wind speed of the blower is positively correlated with the current speed of the vehicle to be tested, the faster the vehicle speed, the faster the corresponding wind speed, and the related wind speed adjustment parameter can be obtained according to the historical vehicle driving data or by other ways, which is not limited in the embodiment, so as to successfully simulate the wind resistance encountered by the vehicle driving on the road.
[0100] In specific implementation, the rain simulator can directly use a glass cleaning liquid tank to add tap water, and of course can use a water tank set in front of or above the front windshield, and of course can be set as other types of simulators to realize the rain function, which is not limited in the embodiment; the corresponding blower can simulate the flow of surrounding wind during vehicle driving, and can also realize the test environment under different wind directions and wind speeds through multiple blowing units, and the wind speed of the blower is positively correlated with the current speed of the vehicle to be tested.
[0101] Step S14, when the simulated rainfall of the rain simulator is greater than the preset rainfall threshold, determining that the vehicle to be tested is in the rain test environment, and obtaining the current height difference and the current angle between the A-pillar and the front windshield of the vehicle to be tested.
[0102] It should be understood that when the simulated rainfall of the rain simulator is greater than the preset rainfall threshold, it can be determined that the vehicle to be tested is in the rain test environment, and at this time, the current height difference and the current angle between the A-pillar and the front windshield of the vehicle to be tested can be obtained.
[0103] The embodiment obtains the current height difference and the current angle between the A-pillar and the front windshield of the vehicle to be tested when the vehicle to be tested is in the rainwater test environment, and the relative position between the A-pillar and the front windshield is adjustable. When the rainwater test environment is an indoor site, the vehicle to be tested is fixed on a roller test machine, and a rainwater simulator and an air blower are arranged in front of or above the front windshield of the vehicle to be tested. The wind speed of the air blower is positively correlated with the current speed of the vehicle to be tested. When the simulated rainfall of the rainwater simulator is greater than the preset rainfall threshold, it is determined that the vehicle to be tested is in the rainwater test environment, and the current height difference and the current angle between the A-pillar and the front windshield of the vehicle to be tested are obtained. The height difference and the angle between the A-pillar and the front windshield can be quickly obtained when the vehicle to be tested is in the rainwater test environment, and the cooperation relationship between the A-pillar and the front windshield can be quickly and effectively arranged, so that the risk of repeated modification of the rear modeling and the joint is avoided, and the arrangement efficiency of the cooperation relationship between the A-pillar and the front windshield is improved.
[0104] Further, Figure 4 The flowchart of the A-pillar and front windshield cooperation arrangement method of the third embodiment of the application is shown in Figure 4 The third embodiment of the A-pillar and front windshield cooperation arrangement method of the application is proposed based on the first embodiment. In the embodiment, the step S20 specifically includes the following steps.
[0105] Step S21, start the vehicle to be tested and the wiper, and control the gear of the wiper to be at a preset gear.
[0106] It should be noted that after starting the vehicle to be tested and the wiper, the gear of the wiper can be controlled to be at a preset gear in time.
[0107] Step S22, obtain the eye point of the eye ellipse of the human model of a preset proportion, and take the eye point as a preset observation point in the vehicle.
[0108] It can be understood that after obtaining the eye point of the eye ellipse of the human model of a preset proportion, the eye point can be taken as a preset observation point in the vehicle.
[0109] Step S23, obtain the observation visual field picture of the rearview mirror outside the vehicle by the preset observation point in the vehicle through the front door window glass by the shooting device at the current speed.
[0110] It should be understood that the shooting device can be a miniature camera, a video camera or a camera or other shooting equipment, and the embodiment is not limited thereto. The observation field picture of the outside rearview mirror is obtained by the shooting device through the front door window glass at the preset observation point in the vehicle at the current vehicle speed. Correspondingly, when observing the left outside rearview mirror, the observation field picture can be obtained by shooting through the left front door window glass, and when observing the right outside rearview mirror, the observation field picture can be obtained by shooting through the right front door window glass.
[0111] In a specific implementation, the shielding condition of the outside rearview mirror field by rain is related to the rain condition, the wiper speed, the vehicle speed and the wind speed, and is a relatively complex condition. The embodiment needs to ensure that rain cannot reach the field area of the rearview mirror on the front door glass through the A-pillar under all user common working conditions. In actual tests, when the vehicle speed is 0-40Km / h, the field is generally not affected. When the vehicle speed is 40-120Km / h, rain generally overcomes the A-pillar to the door glass, shielding the field of the driver and the passenger.
[0112] The embodiment can quickly realize the improved design of the arrangement of the A-pillar and the front door glass of different vehicle models, reduce the improvement cost, speed up the development progress of the project, avoid the consumption of a large amount of manpower and material resources, and improve the arrangement speed and efficiency of the A-pillar and the front door glass.
[0113] Further, Figure 5 The flowchart of the fourth embodiment of the A-pillar and front door glass arrangement method of the application is shown in Figure 5 The fourth embodiment of the A-pillar and front door glass arrangement method of the application is based on the third embodiment. In the embodiment, the step S23 specifically includes the following steps.
[0114] Step S231, determining the field area of the front door window glass according to the line connecting the preset observation point and the outer boundary of the lens of the outside rearview mirror.
[0115] It should be noted that the field area of the front door window glass can be determined according to the line connecting the preset observation point and the outer boundary of the lens of the outside rearview mirror.
[0116] Further, the step S231 specifically includes the following steps.
[0117] The different preset observation points are connected with the outer boundary of the lens of the outside rearview mirror respectively, the intersection of the connection line and the front door window glass is obtained, the intersection points are connected, and the field of view area on the front door window glass is generated.
[0118] It should be understood that different observation points can obtain different fields of view, and after connecting the observation points with the outer boundary of the lens of the outside rearview mirror, the intersection of the connection line and the front door window glass can be obtained, and then by connecting the intersection points, the field of view area on the front door window glass can be generated, the left front door window glass corresponds to a left field of view area, and the right front door window glass corresponds to a right field of view area.
[0119] Step S232, capturing the field of view area at the preset observation point by the shooting device to obtain an observation field picture.
[0120] It can be understood that the field of view area can be captured at the preset observation point by the shooting device, and then an observation field picture can be obtained.
[0121] In a specific implementation, the eye points of the eye ellipses of the 5% human model are used, the eye points are connected with the outer boundary of the lens of the rearview mirror, the intersection of the connection line and the front door glass is made, the intersection points are connected, and the first field of view area on the front door glass is formed; the eye points of the eye ellipses of the 50% human model are used, and the second field of view area is continuously formed by the above method; the eye points of the eye ellipses of the 95% human model are used, and the third field of view area is formed by the above method; generally, the above three field of view areas can be combined, and after combination, the largest field of view area four is formed, and then the largest field of view area four can be formed as the final field of view evaluation range.
[0122] The embodiment obtains the field of view area of the front door window glass according to the connection of the preset observation point and the outer boundary of the lens of the outside rearview mirror, captures the field of view area at the preset observation point by the shooting device to obtain an observation field picture, and can quickly realize the arrangement improvement design of the A-pillar and the front windshield of different vehicle models, reduce the improvement cost, speed up the development progress of the project, avoid consuming a large amount of manpower and material resources, and improve the arrangement speed and efficiency of the A-pillar and the front windshield.
[0123] Further, Figure 6 The flowchart of the A-pillar and front windshield arrangement method of the fifth embodiment of the application is shown in Figure 6 The fifth embodiment of the A-pillar and front windshield arrangement method of the application is based on the first embodiment, and in the embodiment, the step S30 specifically includes the following steps.
[0124] Step S31, obtaining a preset occlusion area threshold in a preset field of view occlusion condition.
[0125] It should be noted that the preset visual field blocking condition is a preset blocking screening condition, and the preset visual field blocking condition has a preset preset blocking area threshold.
[0126] In step S32, the blocking area of the rainwater blocking visual field in the observed visual field picture is compared with the preset blocking area threshold.
[0127] It can be understood that after the blocking area of the rainwater blocking visual field in the observed visual field picture is compared with the preset blocking area threshold, a corresponding comparison result can be obtained.
[0128] In step S33, when the blocking area does not exceed the preset blocking area threshold, the current height difference and the current angle are taken as the optimized arrangement parameters corresponding to the current vehicle speed, the optimized arrangement parameters are recorded, and the optimized arrangement parameters are fed back to the vehicle design terminal.
[0129] It should be understood that when the blocking area does not exceed the preset blocking area threshold, that is, at this time the blocking visual field area meets the condition, at this time the current height difference and the current angle can be directly taken as the optimized arrangement parameters corresponding to the current vehicle speed, the optimized arrangement parameters are recorded, and the optimized arrangement parameters are fed back to the vehicle design terminal for reference by relevant designers.
[0130] Further, after step S32, the A-pillar and front windshield cooperation arrangement method further comprises the following steps:
[0131] When the blocking area exceeds the preset blocking area threshold, the height difference and the angle between the A-pillar and the front windshield of the vehicle to be tested are adjusted to obtain a test height difference and a test angle;
[0132] The current observed visual field picture under different vehicle speeds is reacquired according to the test height difference and the test angle, and a current blocking area of the rainwater blocking visual field is obtained from the current observed visual field picture;
[0133] The current blocking area is compared with the preset blocking area threshold, when the current blocking area does not exceed the preset blocking area threshold, the test height difference and the test angle are taken as the optimized arrangement parameters corresponding to the vehicle speed, and the optimized arrangement parameters are fed back to the vehicle design terminal;
[0134] When the current blocking area exceeds the preset blocking area threshold, the height difference and the angle between the A-pillar and the front windshield of the vehicle to be tested are repeatedly adjusted until the reacquired target blocking area does not exceed the preset blocking area threshold.
[0135] It should be understood that when the blocking area exceeds the preset blocking area threshold, that is, when the blocking view area does not meet the condition, it is necessary to readjust the height difference and angle between the A-pillar and the front windshield of the vehicle to be tested, and then obtain the blocking area again under the new height difference and angle, and then determine whether the blocking condition is met, and determine the optimized arrangement parameters at different speeds, so that the final optimization step parameters can be determined and feedback can be performed.
[0136] In a specific implementation, as shown in Figure 7 , Figure 7 is an optimization schematic diagram in the A-pillar and front windshield arrangement method of the application, referring to Figure 7 , the first step is to evaluate the A-pillar and front windshield arrangement according to the above verification method, taking 50% as the preset blocking area threshold, of course, other values can also be taken as examples, and the present embodiment does not limit this;
[0137] The second step is: if the area of the rainwater blocking view beyond the A-pillar exceeds 50%, the next optimization is performed, and if it is less than 50%, it is determined to be qualified and optimization can not be performed;
[0138] The third step is: first, the angle a between the A-pillar and the front windshield is selected for optimization, and the optimization direction is to increase a, and the first optimization amount is set to 1+20%*a;
[0139] The fourth step is to continue to evaluate according to the above evaluation and verification method;
[0140] The fifth step is: if the area of the rainwater blocking view beyond the A-pillar still exceeds 50%, the next optimization is continued, and if it is less than 50%, it is determined to be qualified and optimization can not be performed;
[0141] The sixth step is to set the optimization amount of a value to 1+40%*a for optimization;
[0142] The seventh step is to evaluate according to the above evaluation method;
[0143] The eighth step is: if the area of the rainwater blocking view beyond the A-pillar still exceeds 50%, the next optimization is continued, and if it is less than 50%, it is determined to be qualified and optimization can not be performed;
[0144] The ninth step is to stop optimizing a, and take the height difference d between the A-pillar and the windshield as the optimization object, and the optimization direction is to increase the height difference d, and the first optimization amount is set to 1+20%*d;
[0145] The tenth step is to evaluate according to the above evaluation method;
[0146] The tenth step is: if the area of the rainwater blocking the view beyond the A column is still more than 50%, the next optimization is continued, if less than 50%, it is determined to be qualified, and optimization can not be performed;
[0147] The twelfth step is: the optimization amount is continuously set as 1+40%*d for optimization, and the tenth, eleventh and twelfth steps are cycled until the evaluation is qualified, that is, the area of the blocked view is less than 50%.
[0148] It should be noted that the principles and implementation schemes related to the technical solutions of the present application can also be implemented in the mathematical software MATLAB and the design and development software CATIA software applied in the fields of automobiles and aerospace, and optimization can be realized in other similar development software UG, PRO / E or CAE simulation software, which is not limited in the present embodiment.
[0149] The present embodiment, through the above scheme, obtains a preset blocking area threshold in a preset view blocking condition; compares the blocking area of the rainwater blocking the view in the observation view picture with the preset blocking area threshold; when the blocking area does not exceed the preset blocking area threshold, the current height difference and the current angle are taken as the optimization arrangement parameters corresponding to the current vehicle speed, the optimization arrangement parameters are recorded, and the optimization arrangement parameters are fed back to the vehicle design terminal; the reasonable cooperation relationship between the A column and the front windshield can be quickly and effectively arranged, the risk of repeated modification of the rear modeling and the joint is avoided, the arrangement efficiency of the cooperation relationship between the A column and the front windshield is improved, and the development cost of the A column and the front windshield is also saved to the maximum, the driving safety of the user is improved, the arrangement improvement design of the cooperation of the A column and the front windshield of different vehicle models is quickly realized, the improvement cost is reduced, the development progress of the project is accelerated, a large amount of manpower and material resources is avoided, and the arrangement speed and efficiency of the cooperation of the A column and the front windshield are improved.
[0150] Correspondingly, the present application further provides an A column and front windshield cooperation arrangement device.
[0151] Reference Figure 8 , Figure 8 is a function module diagram of the first embodiment of the A column and front windshield cooperation arrangement device of the present application.
[0152] In the first embodiment of the A column and front windshield cooperation arrangement device of the present application, the A column and front windshield cooperation arrangement device comprises:
[0153] The parameter acquisition module 10 is used to acquire the current height difference and the current angle between the A column and the front windshield of the vehicle to be tested when the vehicle to be tested is in a rainwater test environment, and the relative position between the A column and the front windshield is in an adjustable state.
[0154] The field of view picture acquisition module 20 is configured to start the vehicle and the wiper, and acquire an observation field of view picture of the outside rearview mirror photographed by the inside preset observation point through the front door window glass at the current speed.
[0155] The analysis feedback module 30 is configured to analyze the observation field of view picture, and when the observation field of view picture meets the preset field of view shielding condition, record and feed back the current height difference and the current angle as the optimized arrangement parameters corresponding to the current speed.
[0156] The parameter acquisition module 10 is further configured to detect real-time rainfall at the current time when the rainwater test environment is an outdoor site; when the real-time rainfall is greater than a preset rainfall threshold, determine that the vehicle is in the rainwater test environment, and acquire a current height difference and a current angle between the A-pillar and the front windshield of the vehicle, the relative position between the A-pillar and the front windshield being adjustable; when the rainwater test environment is an indoor site, fix the vehicle on a roller test machine, and set a rainwater simulator and a blower in front of or above the front windshield of the vehicle, the wind speed of the blower being positively correlated with the current speed of the vehicle; when the simulated rainfall of the rainwater simulator is greater than the preset rainfall threshold, determine that the vehicle is in the rainwater test environment, and acquire the current height difference and the current angle between the A-pillar and the front windshield of the vehicle.
[0157] The field of view picture acquisition module 20 is further configured to start the vehicle and the wiper, control the gear of the wiper to be at a preset gear, acquire an eye point of an eye ellipse of a preset proportion human body model, and take the eye point as the inside preset observation point; and acquire the observation field of view picture of the outside rearview mirror photographed by the inside preset observation point through the front door window glass at the current speed by a photographing device.
[0158] The field of view picture acquisition module 20 is further configured to determine a field of view area of the front door window glass according to a line connecting the preset observation point and the outer boundary of the lens of the outside rearview mirror; and acquire the observation field of view picture by photographing the field of view area at the preset observation point by a photographing device.
[0159] The field of view picture acquisition module 20 is further configured to connect different preset observation points with the outer boundary of the lens of the outside rearview mirror respectively, acquire intersection points of the lines and the front door window glass, connect the intersection points, and generate the field of view area on the front door window glass.
[0160] The analysis feedback module 30 is further configured to obtain a preset occlusion area threshold in a preset visual field occlusion condition; compare an occlusion area of the rainwater-occluded visual field in the observation visual field picture with the preset occlusion area threshold; when the occlusion area does not exceed the preset occlusion area threshold, take the current height difference and the current angle as the optimized arrangement parameters corresponding to the current vehicle speed, record the optimized arrangement parameters, and feed back the optimized arrangement parameters to a vehicle design terminal.
[0161] The analysis feedback module 30 is further configured to, when the occlusion area exceeds the preset occlusion area threshold, adjust the height difference and the angle between the A-pillar and the front windshield of the vehicle under test, to obtain a test height difference and a test angle; reacquire a current observation visual field picture under different vehicle speeds according to the test height difference and the test angle, and obtain a current occlusion area of the rainwater-occluded visual field from the current observation visual field picture; compare the current occlusion area with the preset occlusion area threshold, when the current occlusion area does not exceed the preset occlusion area threshold, take the test height difference and the test angle as the optimized arrangement parameters corresponding to the vehicle speed, and feed back the optimized arrangement parameters to the vehicle design terminal; when the current occlusion area exceeds the preset occlusion area threshold, repeatedly adjust the height difference and the angle between the A-pillar and the front windshield of the vehicle under test until the reacquired target occlusion area does not exceed the preset occlusion area threshold.
[0162] The steps implemented by each functional module of the A-pillar and front windshield arrangement device can refer to the steps of each embodiment of the A-pillar and front windshield arrangement method, which will not be described here again.
[0163] In addition, the embodiment of the present application further provides a storage medium, and the storage medium stores an A-pillar and front windshield arrangement program. When the A-pillar and front windshield arrangement program is executed by a processor, the following operations are implemented:
[0164] When the vehicle under test is in a rainwater test environment, a current height difference and a current angle between an A-pillar and a front windshield of the vehicle under test are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state.
[0165] When the vehicle under test is in a rainwater test environment, a current height difference and a current angle between an A-pillar and a front windshield of the vehicle under test are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state.
[0166] When the vehicle under test is in a rainwater test environment, a current height difference and a current angle between an A-pillar and a front windshield of the vehicle under test are obtained, and the relative position between the A-pillar and the front windshield is in an adjustable state.
[0167] Further, the A-pillar and windshield matching arrangement program further implements the following operations when executed by the processor:
[0168] When the rainwater test environment is an outdoor site, detecting real-time rainfall at the current time;
[0169] When the real-time rainfall is greater than a preset rainfall threshold, determining that the vehicle under test is in the rainwater test environment, and obtaining a current height difference and a current angle between the A-pillar and the windshield of the vehicle under test, the relative position between the A-pillar and the windshield being adjustable;
[0170] When the rainwater test environment is an indoor site, fixing the vehicle under test on a roller test machine, and setting a rainwater simulator and a blower in front of or above the windshield of the vehicle under test, the wind speed of the blower being positively correlated with the current speed of the vehicle under test;
[0171] When the simulated rainfall of the rainwater simulator is greater than the preset rainfall threshold, determining that the vehicle under test is in the rainwater test environment, and obtaining a current height difference and a current angle between the A-pillar and the windshield of the vehicle under test.
[0172] Further, the A-pillar and windshield matching arrangement program further implements the following operations when executed by the processor:
[0173] Starting the vehicle under test and the wiper, and controlling the gear of the wiper to be at a preset gear;
[0174] Obtaining an eye point of an eye ellipse of a human body model of a preset proportion, and taking the eye point as a preset observation point in the vehicle;
[0175] Obtaining, by a shooting device, an observation field picture of the rearview mirror outside the vehicle shot by the preset observation point in the vehicle through the front door window glass at the current speed.
[0176] Further, the A-pillar and windshield matching arrangement program further implements the following operations when executed by the processor:
[0177] Determining a field of view area of the front door window glass according to a line connecting the preset observation point and the outer boundary of the lens of the rearview mirror outside the vehicle;
[0178] Shooting the field of view area at the preset observation point by a shooting device to obtain an observation field picture.
[0179] Further, the A-pillar and windshield matching arrangement program further implements the following operations when executed by the processor:
[0180] Connecting different preset observation points with the outer boundary of the lens of the rearview mirror outside the vehicle respectively to obtain intersection points of the lines and the front door window glass, connecting the intersection points to generate a field of view area on the front door window glass.
[0181] Further, the A-pillar and front windshield matching arrangement program executed by the processor further implements the following operations:
[0182] Obtaining a preset occlusion area threshold in a preset field of view occlusion condition;
[0183] Comparing the occlusion area of the rainwater-occluded field of view in the observed field of view picture with the preset occlusion area threshold;
[0184] When the occlusion area does not exceed the preset occlusion area threshold, taking the current height difference and the current angle as the optimized arrangement parameters corresponding to the current vehicle speed, recording the optimized arrangement parameters, and feeding back the optimized arrangement parameters to a vehicle design terminal.
[0185] Further, the A-pillar and front windshield matching arrangement program executed by the processor further implements the following operations:
[0186] When the occlusion area exceeds the preset occlusion area threshold, adjusting the height difference and the angle between the A-pillar and the front windshield of the vehicle under test to obtain a test height difference and a test angle;
[0187] Re-obtaining the current observed field of view picture under different vehicle speeds according to the test height difference and the test angle, and obtaining a current occlusion area of the rainwater-occluded field of view from the current observed field of view picture;
[0188] Comparing the current occlusion area with the preset occlusion area threshold, and when the current occlusion area does not exceed the preset occlusion area threshold, taking the test height difference and the test angle as the optimized arrangement parameters corresponding to the vehicle speed, and feeding back the optimized arrangement parameters to the vehicle design terminal;
[0189] When the current occlusion area exceeds the preset occlusion area threshold, repeatedly adjusting the height difference and the angle between the A-pillar and the front windshield of the vehicle under test until the re-obtained target occlusion area does not exceed the preset occlusion area threshold.
[0190] The embodiment can quickly and effectively arrange a reasonable cooperation relationship between the A-pillar and the front windshield by obtaining the current height difference and the current angle between the A-pillar and the front windshield of the to-be-tested vehicle when the to-be-tested vehicle is in a rain test environment, the relative position between the A-pillar and the front windshield being adjustable, starting the to-be-tested vehicle and the wiper, obtaining an observation field picture of the observation field of the rearview mirror outside the vehicle photographed by the inside preset observation point through the front door window glass at the current vehicle speed, analyzing the observation field picture, taking the current height difference and the current angle as the optimized arrangement parameters corresponding to the current vehicle speed when the observation field picture meets the preset field shielding condition, recording and feeding back the optimized arrangement parameters, avoiding the risk of repeated modification of the rear modeling and the joint gap, improving the arrangement efficiency of the cooperation relationship between the A-pillar and the front windshield, and also being used for rapid verification, maximum saving of the development cost of the A-pillar and the front windshield, improvement of the driving safety of the user, rapid realization of the arrangement improvement design of the cooperation between the A-pillar and the front windshield of different vehicle models, reduction of the improvement cost, acceleration of the development progress of the project, avoidance of consumption of a large amount of manpower and material resources, and improvement of the cooperation arrangement speed and efficiency of the A-pillar and the front windshield.
[0191] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, such that processes, methods, articles, or apparatuses that comprise a list of elements are not limited to those elements, but can also include other elements not expressly listed, or inherent to such processes, methods, articles, or apparatuses. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.
[0192] The above-mentioned serial numbers of the embodiments of the application are only for description, and do not represent the advantages and disadvantages of the embodiments.
[0193] The above is only the preferred embodiment of the application, and does not limit the patent scope of the application, and any equivalent structure or equivalent process transformation according to the content of the specification and the drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the application.
Claims
1. A method of arranging an A-pillar in cooperation with a front windshield, characterized by, The method for arranging the A-pillar in conjunction with the windshield includes: When the vehicle under test is in a rain test environment, the current height difference and current angle between the A-pillar and the windshield of the vehicle under test are obtained. The relative position between the A-pillar and the windshield is adjustable. Start the vehicle under test and the windshield wipers, and obtain the observation field image of the exterior rearview mirror taken by the preset observation point inside the vehicle through the front door window glass at the current vehicle speed; The observation field image is analyzed. When the observation field image meets the preset field occlusion conditions, the current height difference and the current angle are used as the optimized arrangement parameters corresponding to the current vehicle speed. The optimized arrangement parameters are recorded and fed back.
2. The method of claim 1, wherein the A-pillar and front windshield arrangement method is characterized by, When the vehicle under test is in a rain test environment, the current height difference and current angle between the A-pillar and the windshield of the vehicle under test are obtained, and the relative position between the A-pillar and the windshield is adjustable, including: When the rain test environment is an outdoor site, the real-time rainfall at the current moment is detected; When the real-time rainfall is greater than the preset rainfall threshold, it is determined that the vehicle under test is in the rain test environment. The current height difference and current angle between the A-pillar and the windshield of the vehicle under test are obtained. The relative position between the A-pillar and the windshield is adjustable. When the rain test environment is an indoor venue, the vehicle under test is fixed on a roller test machine, and a rain simulator and a blower are set in front of or above the windshield of the vehicle under test. The wind speed of the blower is positively correlated with the current speed of the vehicle under test. When the simulated rainfall in the rain simulator is greater than the preset rainfall threshold, it is determined that the vehicle under test is in the rain test environment, and the current height difference and current angle between the A-pillar and the windshield of the vehicle under test are obtained.
3. The method of claim 1, wherein the A-pillar and front windshield arrangement method is characterized by, The process of activating the vehicle under test and the windshield wipers to acquire an image of the field of view of the exterior rearview mirror taken through the front door window at the current vehicle speed from a preset observation point inside the vehicle includes: Start the vehicle under test and the windshield wipers, and control the windshield wipers to a preset speed. Obtain the eye point of the eye ellipse of the human body model at a preset scale, and use the eye point as a preset observation point inside the vehicle; The camera captures images of the view through the front door window of the vehicle's exterior rearview mirror from a preset observation point inside the vehicle at the current vehicle speed.
4. The method of claim 3, wherein the A-pillar and front windshield arrangement method is characterized by, The step of acquiring an image of the field of view of the exterior rearview mirror through the front door window at the current vehicle speed using a pre-set observation point inside the vehicle via a shooting device includes: The field of view of the front door window is determined by connecting the preset observation point with the outer edge of the lens of the rearview mirror. The field of view is photographed at the preset observation point using a photographing device to obtain an image of the field of view.
5. The method of claim 4, wherein the A-pillar and front windshield arrangement method is characterized by, Determining the field of view of the front door window glass based on the line connecting the preset observation point and the outer edge of the rearview mirror lens includes: Different preset observation points are connected to the outer edge of the lens of the vehicle's exterior rearview mirror, and the intersection of the connecting lines with the front door window glass is obtained. The intersection points are then connected to generate the field of view area on the front door window glass.
6. The method of claim 1, wherein the A-pillar and front windshield arrangement method is characterized by, The analyzing of the observation field picture, when the observation field picture meets a preset field blocking condition, taking the current height difference and the current angle as the optimized arrangement parameters corresponding to the current vehicle speed, recording and feeding back the optimized arrangement parameters, comprises: obtaining a preset blocking area threshold in the preset field blocking condition; comparing a blocking area of the rainwater blocking field in the observation field picture with the preset blocking area threshold; when the blocking area does not exceed the preset blocking area threshold, taking the current height difference and the current angle as the optimized arrangement parameters corresponding to the current vehicle speed, recording the optimized arrangement parameters, and feeding back the optimized arrangement parameters to a vehicle design terminal.
7. The method of claim 6, wherein the A-pillar and front windshield arrangement method is characterized by, After the comparing of the blocking area of the rainwater blocking field in the observation field picture with the preset blocking area threshold, the A-pillar and front windshield arrangement method further comprises: when the blocking area exceeds the preset blocking area threshold, adjusting the height difference and the angle between the A-pillar and the front windshield of the vehicle under test, obtaining a test height difference and a test angle; reacquiring the current observation field picture under different vehicle speeds according to the test height difference and the test angle, and obtaining a current blocking area of the rainwater blocking field from the current observation field picture; comparing the current blocking area with the preset blocking area threshold, when the current blocking area does not exceed the preset blocking area threshold, taking the test height difference and the test angle as the optimized arrangement parameters corresponding to the vehicle speed, and feeding back the optimized arrangement parameters to the vehicle design terminal; when the current blocking area exceeds the preset blocking area threshold, repeatedly adjusting the height difference and the angle between the A-pillar and the front windshield of the vehicle under test until the reacquired target blocking area does not exceed the preset blocking area threshold.
8. An arrangement of an A-pillar with a front windshield, characterized in that, The A-pillar and front windshield arrangement device comprises: a parameter acquisition module, configured to acquire a current height difference and a current angle between an A-pillar and a front windshield of a vehicle under test when the vehicle under test is in a rainwater test environment, the relative position between the A-pillar and the front windshield being adjustable; a field picture acquisition module, configured to start the vehicle under test and a wiper, and acquire an observation field picture of a rearview mirror outside the vehicle taken by a preset observation point inside the vehicle through a front door window glass at a current vehicle speed; an analysis and feedback module, configured to analyze the observation field picture, when the observation field picture meets a preset field blocking condition, take the current height difference and the current angle as the optimized arrangement parameters corresponding to the current vehicle speed, record and feed back the optimized arrangement parameters.
9. An apparatus for arranging an A-pillar with a front windshield, characterized by, The A-pillar and front windshield arrangement device comprises a memory, a processor, and an A-pillar and front windshield arrangement program stored in the memory and executable on the processor, the A-pillar and front windshield arrangement program being configured to implement the steps of the A-pillar and front windshield arrangement method according to any one of claims 1 to 7.
10. A storage medium, characterized by The storage medium has stored thereon an A-pillar and front windshield arrangement program, which, when executed by the processor, implements the steps of the A-pillar and front windshield arrangement method according to any one of claims 1 to 7.
Citation Information
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