Method and device for determining arrangement scheme of vehicle wire harness, equipment and medium

Abstract

The invention relates to a vehicle wire harness arrangement scheme determination method and device, equipment and a medium. The method comprises the following steps: determining a system schematic diagram of a vehicle wire harness in a target vehicle according to electric device attribute information of each piece of electric equipment in the target vehicle and vehicle wire harness topological information of the target vehicle; according to the system schematic diagram and the electrical device position information of each electrical device in the target vehicle, determining a preliminary arrangement scheme of the vehicle wire harness; and according to the initial arrangement scheme, sequentially carrying out space checking and dynamic stress simulation on the vehicle wire harness, and determining a target arrangement scheme of the vehicle wire harness. By adopting the method, the stress requirement of the target vehicle can be comprehensively met, and a more accurate and reasonable wiring harness arrangement scheme can be determined.

Description

Technical Field

[0001] The present application relates to the technical field of vehicle wiring harnesses, and in particular to a method, device, equipment and medium for determining a layout scheme of a vehicle wiring harness. Background Art

[0002] The wheel harness of the car is mainly responsible for the transmission of the caliper motor and wheel speed signal connection and transmission. The reliability of the wheel harness affects the parking brake and driving safety of the whole vehicle. Since it is generally fixed on the axle of the car, the harness is arranged in the wet area, the working environment is harsh, there are sand and gravel splashing during the vehicle formation, and it is also necessary to adapt to the frequent movement and bending of the wheel, which puts a great test on the design and verification of the harness.

[0003] At present, the traditional wiring harness design method is to collect electrical property tables and wiring harness layout environment data - perform static three-dimensional design - motion segment length margin assessment - two-dimensional drawing design - real vehicle enhanced bad road verification; however, the vehicle wiring harness designed by the above method cannot fully meet the stress requirements of the vehicle, resulting in increased wiring harness costs. Summary of the invention

[0004] Based on this, it is necessary to provide a method, device, equipment and medium for determining the layout plan of a vehicle wiring harness in response to the above-mentioned technical problems, which can fully meet the stress requirements of the target vehicle and determine a more accurate and reasonable wiring harness layout plan.

[0005] In a first aspect, the present application provides a method for determining a layout scheme of a vehicle wiring harness, comprising:

[0006] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0007] Determine a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle;

[0008] According to the preliminary layout plan, the vehicle wiring harness is sequentially subjected to space verification and dynamic stress simulation to determine a target layout plan for the vehicle wiring harness.

[0009] In one of the embodiments, the preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the type of wiring harness cables, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment, and the movement range of each wiring harness segment.

[0010] In one embodiment, the method of sequentially performing space verification and dynamic stress simulation on the vehicle wiring harness according to the preliminary layout plan to determine a target layout plan of the vehicle wiring harness includes:

[0011] According to the preliminary arrangement scheme, constructing a first three-dimensional model of the vehicle wiring harness in the target vehicle;

[0012] Performing spatial verification on the first three-dimensional model to obtain a verification result;

[0013] According to the kernel result, the preliminary layout plan is optimized to obtain an optimized layout plan;

[0014] Based on the pipeline simulation software, according to the optimized layout plan, the dynamic stress simulation of the vehicle wiring harness is performed to obtain the target layout plan of the vehicle wiring harness.

[0015] In one of the embodiments, the verification result includes harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model;

[0016] Accordingly, the preliminary arrangement scheme is optimized according to the verification result to obtain an optimized arrangement scheme, including:

[0017] For each harness segment, taking the harness length corresponding to the harness motion information that meets the space verification condition in each harness operation information corresponding to the harness segment in the verification result as the target harness length of the harness segment;

[0018] According to the target harness length of each harness segment, the harness length of the harness segment in the preliminary layout plan is optimized to obtain an optimized layout plan.

[0019] In one embodiment, the pipeline simulation software is used to perform dynamic stress simulation on the vehicle wiring harness according to the optimized layout scheme to obtain the target layout scheme of the vehicle wiring harness, including:

[0020] Importing the optimized layout scheme into pipeline simulation software to obtain a second three-dimensional model of the vehicle wiring harness;

[0021] Performing cyclic dynamic stress simulation on the second three-dimensional model under different candidate cable types to obtain maximum number of cycles corresponding to different candidate cable types;

[0022] Taking the candidate cable type whose maximum cycle number is greater than the cycle threshold as the target cable type;

[0023] According to the target cable type, the type of the wiring harness cables in the optimized layout scheme is adjusted to obtain a target layout scheme.

[0024] In one embodiment, the method further comprises:

[0025] Arranging the vehicle wiring harness in the target vehicle according to the target arrangement scheme;

[0026] Controlling a target vehicle for which a vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments;

[0027] The target layout scheme of the vehicle wiring harness is evaluated according to the test data corresponding to different preset test environments.

[0028] In a second aspect, the present application further provides a device for determining a layout scheme of a vehicle wiring harness, comprising:

[0029] A principle determination module, used to determine a system principle diagram of a vehicle wiring harness in the target vehicle according to electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0030] A scheme determination module, used to determine a preliminary layout scheme of the vehicle wiring harness according to the system schematic diagram and the electrical device position information of each electrical device in the target vehicle;

[0031] The scheme optimization module is used to perform space verification and dynamic stress simulation on the vehicle wiring harness in sequence according to the preliminary layout scheme, so as to determine the target layout scheme of the vehicle wiring harness.

[0032] In a third aspect, the present application further provides a computer device, including a memory and a processor, wherein the memory stores a computer program, and when the processor executes the computer program, the following steps are implemented:

[0033] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0034] Determine a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle;

[0035] According to the preliminary layout plan, the vehicle wiring harness is sequentially subjected to space verification and dynamic stress simulation to determine a target layout plan for the vehicle wiring harness.

[0036] In a fourth aspect, the present application further provides a computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the following steps are implemented:

[0037] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0038] Determine a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle;

[0039] According to the preliminary layout plan, the vehicle wiring harness is sequentially subjected to space verification and dynamic stress simulation to determine a target layout plan for the vehicle wiring harness.

[0040] In a fifth aspect, the present application further provides a computer program product, including a computer program, which implements the following steps when executed by a processor:

[0041] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0042] Determine a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle;

[0043] According to the preliminary layout plan, the vehicle wiring harness is sequentially subjected to space verification and dynamic stress simulation to determine a target layout plan for the vehicle wiring harness.

[0044] The above-mentioned method, device, equipment and medium for determining the layout scheme of the vehicle wiring harness determine the system schematic diagram of the vehicle wiring harness in the target vehicle according to the electrical component attribute information of each electrical device in the target vehicle and the vehicle wiring harness topology information of the target vehicle, and determine the preliminary layout scheme of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle; further, according to the preliminary layout scheme, the vehicle wiring harness is spatially checked and dynamically stressed simulated in sequence to determine the target layout scheme of the vehicle wiring harness. The above-mentioned scheme ensures the accuracy of the determined system schematic diagram through the electrical component attribute information and the vehicle wiring harness topology information, and further ensures the accuracy and rationality of the preliminary layout scheme of the vehicle wiring harness; further, by introducing the spatial check and dynamic stress simulation process, the stress of the vehicle is fully considered, the preliminary layout scheme is optimized, and the accuracy and rationality of the determined target layout scheme is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technologies, the drawings required for use in the embodiments or the related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0046] Figure 1 A schematic flow chart of a method for determining a layout scheme of a vehicle wiring harness in one embodiment;

[0047] Figure 2 A schematic diagram of a process for determining a target arrangement scheme of a vehicle wiring harness in one embodiment;

[0048] Figure 3 A schematic diagram of a process for determining an optimized arrangement scheme in one embodiment;

[0049] Figure 4 A schematic diagram of a flow chart for determining a target arrangement scheme of a vehicle wiring harness in another embodiment;

[0050] Figure 5 A schematic diagram of a flow chart for evaluating a target arrangement scheme of a vehicle wiring harness in one embodiment;

[0051] Figure 6 A schematic flow chart of a method for determining a layout scheme of a vehicle wiring harness in another embodiment;

[0052] Figure 7 A structural block diagram of a device for determining a layout scheme of a vehicle wiring harness in one embodiment;

[0053] Figure 8 FIG. 4 is a diagram showing the internal structure of a computer device in one embodiment. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0055] The method for determining a layout scheme of a vehicle wiring harness provided in an embodiment of the present application can be applied in an application environment for designing a layout scheme of a vehicle wiring harness.

[0056] In one embodiment, Figure 1 As shown, a method for determining a layout scheme of a vehicle wiring harness is provided, and the method is applied to a server as an example for explanation, and specifically includes the following steps:

[0057] S101, determining a system schematic diagram of a vehicle wiring harness in a target vehicle according to electrical device attribute information of each electrical device in a target vehicle and vehicle wiring harness topology information of the target vehicle.

[0058] Among them, the role of the wiring harness in the vehicle is to transmit and exchange the power signal and data signal of the electrical system to realize the functions and requirements of the electrical system; the electrical device attribute information is to characterize the hardware attributes of each electrical device in the target vehicle; the vehicle wiring harness topology information characterizes the layout and segmentation design of the wiring harness in the vehicle, and the wiring harness topology information is reflected in the connection form and number of segments in the vehicle area. The system schematic diagram of the vehicle wiring harness reflects the connection relationship of the wiring harness of each electrical device.

[0059] Optionally, a preliminary system schematic diagram of the vehicle wiring harness in the target vehicle can be decomposed based on the vehicle wiring harness topology information of the target vehicle. Further, the preliminary system schematic diagram can be improved in combination with the electrical component property information of each electrical equipment in the target vehicle to obtain the system schematic diagram of the vehicle wiring harness in the final target vehicle.

[0060] S202, determining a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle.

[0061] The electrical device location information of each electrical device represents the specific location of each electrical device in the target vehicle. The preliminary layout plan represents the layout of the vehicle wiring harness in the target vehicle. In the embodiment of the present application, the preliminary layout plan includes but is not limited to the wiring harness layout position, the number of wiring harnesses, the type of wiring harness cables, the wiring harness diameter, the wiring harness fixing point, the fixing method corresponding to the wiring harness fixing point, the wiring harness length of each wiring harness segment, and the movement range of each wiring harness segment.

[0062] Optionally, the dynamic area and static area of ​​the layout environment (i.e., the target vehicle) may be confirmed based on the electrical device position information of each electrical device, and the motion envelope and motion segment extreme position confirmation may be collected for the dynamic area.

[0063] Further, confirm the initial end position of the vehicle harness, the docking end of the vehicle harness, the sensor end, the EPB caliper and other layout positions; confirm the number and diameter of the vehicle harness according to the system schematic diagram, consider the particularity of the wheel harness, increase the outer sheath of the wire, and evaluate the diameter of the harness; confirm the harness fixing point, which is preferably set in the static area, and the fixed point in the dynamic area is preferably at the intersection of two moving surfaces; confirm the harness fixing form and the positioning part guiding form, the harness segments on both sides of the fixing point are fixed in the static area with binding tie-type positioning parts, and the fixed point with a single-side harness segment as the moving segment shall not be fixed with binding tie-type positioning parts, but shall be fixed with injection plastic sleeves, and the injection plastic sleeve on the moving side must have a net tail structure to disperse stress; set the harness length of each moving segment, the moving range, and the reserved length should be determined according to the actual situation. The length is determined according to the actual vibration amplitude and the maximum movement stroke of the moving parts to ensure that the reserved length can prevent the vibration from being transmitted on the harness and the harness from being subjected to tension. Finally, based on the above-determined data, generate a preliminary layout plan for the vehicle harness.

[0064] S203, according to the preliminary layout plan, sequentially perform space verification and dynamic stress simulation on the vehicle wiring harness to determine a target layout plan for the vehicle wiring harness.

[0065] Optionally, based on the preliminary layout plan, the vehicle wiring harness is first spatially checked to achieve preliminary optimization of the preliminary layout plan; further, based on the preliminary layout plan after preliminary optimization, a dynamic stress simulation is performed on the vehicle wiring harness to achieve final optimization of the preliminary layout plan after preliminary optimization, and obtain a target layout plan for the vehicle wiring harness.

[0066] In the above-mentioned method for determining the layout scheme of the vehicle wiring harness, the system schematic diagram of the vehicle wiring harness in the target vehicle is determined according to the electrical component attribute information of each electrical device in the target vehicle and the vehicle wiring harness topology information of the target vehicle, and the preliminary layout scheme of the vehicle wiring harness is determined according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle; further, according to the preliminary layout scheme, the vehicle wiring harness is sequentially space-checked and dynamically stressed to determine the target layout scheme of the vehicle wiring harness. The above-mentioned scheme ensures the accuracy of the determined system schematic diagram through the electrical component attribute information and the vehicle wiring harness topology information, and further ensures the accuracy and rationality of the preliminary layout scheme of the vehicle wiring harness; further, by introducing the space check and dynamic stress simulation process, the stress of the vehicle is fully considered, the preliminary layout scheme is optimized, and the accuracy and rationality of the determined target layout scheme is ensured.

[0067] Optionally, in one embodiment, Figure 2 As shown, a method for determining a target layout scheme of a vehicle wiring harness is provided, which specifically includes the following steps:

[0068] S201, constructing a first three-dimensional model of a vehicle wiring harness in a target vehicle according to a preliminary layout plan.

[0069] The first three-dimensional model is a virtual three-dimensional model of the vehicle wiring harness.

[0070] Optionally, pipeline analysis simulation software, such as TEA Pipe module in CATIA, is used to customize the wiring harness parameters according to the preliminary layout plan, and the wiring harness is connected to the target vehicle through a power pair, thereby obtaining the first three-dimensional model of the vehicle wiring harness in the target vehicle.

[0071] S202, performing spatial verification on the first three-dimensional model to obtain a verification result.

[0072] The verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model. The harness motion information includes but is not limited to the deformation, real-time motion, curvature, collision and distance of the harness.

[0073] Optionally, pipeline analysis simulation software is used to perform spatial verification of the first three-dimensional model. During the verification process, the harness length of the harness segment is changed to obtain data such as deformation, real-time motion, curvature, collision and distance corresponding to each harness length to generate a verification result.

[0074] S203, optimizing the preliminary layout plan according to the verification result to obtain an optimized layout plan.

[0075] Optionally, based on a preset selection rule and according to the verification result, the optimal harness length of the harness segment is selected, and the preliminary layout plan is optimized according to the selected harness length to obtain an optimized layout plan.

[0076] S204, based on the pipeline simulation software, according to the optimized layout plan, dynamic stress simulation is performed on the vehicle wiring harness to obtain a target layout plan of the vehicle wiring harness.

[0077] Optionally, professional pipeline simulation software can be used to input the optimized layout plan into the pipeline simulation software to realize dynamic stress simulation of the vehicle wiring harness. According to the simulation results, the optimized layout plan is further optimized to obtain the target layout plan of the vehicle wiring harness.

[0078] In this embodiment, the initial layout plan is optimized by introducing the first three-dimensional model and performing spatial verification based on the first three-dimensional model, thereby ensuring the accuracy of the optimization result; further, based on the pipeline simulation software, the dynamic stress simulation of the vehicle wiring harness is performed according to the optimized layout plan, thereby ensuring the accuracy of the target layout plan.

[0079] Optionally, the verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model; based on the above embodiment, in one embodiment, Figure 3 As shown, a method for determining an optimal layout scheme is provided, which specifically includes the following steps:

[0080] S301, for each harness segment, taking the harness length corresponding to the harness motion information that meets the space verification condition in each harness operation information corresponding to the harness segment in the verification result as the target harness length of the harness segment.

[0081] Optionally, for each harness segment, if it is determined based on the harness motion information that the distance between the harnesses is within a reasonable range during the simulation and no collision will occur, then it means that the harness operation information meets the spatial verification conditions; further, the harness length corresponding to the harness motion information that meets the spatial verification conditions can be used as the target harness length of the harness segment.

[0082] S302, optimizing the wire harness lengths of the wire harness segments in the preliminary layout plan according to the target wire harness lengths of the wire harness segments to obtain an optimized layout plan.

[0083] Optionally, the harness lengths of the harness segments in the preliminary layout plan are replaced according to the target harness lengths of the harness segments to obtain an optimized layout plan.

[0084] In this embodiment, by introducing the space verification condition, a suitable harness length is selected for each harness segment, thereby ensuring the accuracy and feasibility of the optimized layout solution.

[0085] Optionally, in one embodiment, Figure 4 As shown, a method for determining a target layout scheme of a vehicle wiring harness is provided, which specifically includes the following steps:

[0086] S401, importing the optimized layout plan into the pipeline simulation software to obtain a second three-dimensional model of the vehicle wiring harness.

[0087] Optionally, the optimized layout scheme may be imported into the pipeline simulation software, and the pipeline simulation software may generate a second three-dimensional model of the vehicle wiring harness according to the optimized layout scheme.

[0088] S402, performing cyclic dynamic stress simulation on the second three-dimensional model under different candidate cable types to obtain maximum cycle times corresponding to the different candidate cable types.

[0089] Optionally, select cables of different candidate cable types and perform cyclic dynamic stress simulation on the second three-dimensional model. The software will display the stress concentration points in red, adjust the length of the harness and the direction of the positioning parts, and adjust the harness in three dimensions until the stress alarm point disappears.

[0090] Optionally, pipeline simulation software is used to calculate the number of fatigue times and set parameters for temperature and movement cycles. The software can output the harness break position and the number of cycles, and use the number of cycles at this time as the maximum number of cycles corresponding to different candidate cable types.

[0091] S403: The candidate cable type whose maximum cycle number is greater than the cycle threshold is used as the target cable type.

[0092] The cycle threshold is a value set according to the life of the candidate cable type.

[0093] Optionally, if the maximum number of cycles is greater than the cycle threshold, it means that the number of movement cycles of the candidate cable type is greater than the life span. In this case, the candidate cable type is used as the target cable type.

[0094] S404: According to the target cable type, the type of the wiring harness cables in the optimized layout scheme is adjusted to obtain the target layout scheme.

[0095] Optionally, according to the target cable type, the type of the wiring harness cable in the optimized layout solution is replaced to obtain the target layout solution.

[0096] In this embodiment, by performing dynamic stress simulation on the vehicle wiring harness, the service life of the determined candidate cable type is guaranteed, and the accuracy and feasibility of the target layout solution are further guaranteed.

[0097] Optionally, in one embodiment, Figure 5 As shown, a method for evaluating a target layout scheme of a vehicle wiring harness is provided, which specifically includes the following steps:

[0098] S501, arranging a vehicle wiring harness in a target vehicle according to a target arrangement plan.

[0099] Optionally, a two-dimensional drawing of the vehicle wiring harness can be obtained based on the target layout scheme and the system schematic diagram of the vehicle wiring harness based on the drawing design software, and further, the vehicle wiring harness is arranged in the target vehicle according to the two-dimensional drawing.

[0100] S502, controlling a target vehicle for which a vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments.

[0101] Among them, different preset test environments are pre-set environments for performing performance tests on target vehicles. In the embodiment of the present application, different preset test environments include but are not limited to actual wheel hop environment, gravel impact environment, test bench wheel hop environment and enhanced bad road environment.

[0102] Optionally, a target vehicle for arranging a vehicle wiring harness is controlled to be in different preset test environments, and performance tests are performed on the target vehicle according to test rules and test steps of different preset test environments to obtain test data corresponding to different preset test environments.

[0103] S503: Evaluate the target layout scheme of the vehicle wiring harness according to the test data corresponding to different preset test environments.

[0104] Optionally, a performance evaluation may be performed on a target layout scheme for the vehicle wiring harness based on test data corresponding to different preset test environments, and further, the target layout scheme may be finally adjusted based on the performance evaluation results.

[0105] In this embodiment, the feasibility and safety of the target arrangement method are verified by testing the target vehicle in different preset test environments.

[0106] Figure 6 FIG. 1 is a flow chart of a method for determining a layout scheme of a vehicle wiring harness in another embodiment. Based on the above embodiment, this embodiment provides an optional example of a method for determining a layout scheme of a vehicle wiring harness. Figure 6 The specific implementation process is as follows:

[0107] S601, determining a system schematic diagram of a vehicle wiring harness in a target vehicle according to electrical device attribute information of each electrical device in a target vehicle and vehicle wiring harness topology information of the target vehicle.

[0108] S602, determining a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle.

[0109] Among them, the preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the type of wiring harness cables, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment and the movement range of each wiring harness segment.

[0110] S603: construct a first three-dimensional model of the vehicle wiring harness in the target vehicle according to the preliminary layout plan.

[0111] S604, performing spatial verification on the first three-dimensional model to obtain a verification result.

[0112] The verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model.

[0113] S605: taking the harness length corresponding to the harness motion information that meets the space verification condition in each harness operation information corresponding to each harness segment in the verification result as the target harness length of each harness segment.

[0114] S606, optimizing the wire harness lengths of the wire harness segments in the preliminary layout plan according to the target wire harness length of each wire harness segment, to obtain an optimized layout plan.

[0115] S607, importing the optimized layout solution into the pipeline simulation software to obtain a second three-dimensional model of the vehicle wiring harness.

[0116] S608, performing cyclic dynamic stress simulation on the second three-dimensional model under different candidate cable types to obtain maximum cycle times corresponding to the different candidate cable types.

[0117] S609: The candidate cable type whose maximum cycle number is greater than the cycle threshold is used as the target cable type.

[0118] S610: Adjust the type of the wiring harness cables in the optimized layout plan according to the target cable type to obtain the target layout plan.

[0119] S611, arranging a vehicle wiring harness in a target vehicle according to a target arrangement scheme.

[0120] S612, controlling the target vehicle for which the vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments.

[0121] S613: Evaluate the target layout scheme of the vehicle wiring harness according to the test data corresponding to different preset test environments.

[0122] The specific process of S601-S613 above can refer to the description of the above method embodiment, and its implementation principle and technical effect are similar, which will not be repeated here.

[0123] It should be understood that, although the various steps in the flowcharts involved in the above-mentioned embodiments are displayed in sequence according to the indication of the arrows, these steps are not necessarily executed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowcharts involved in the above-mentioned embodiments can include multiple steps or multiple stages, and these steps or stages are not necessarily executed at the same time, but can be executed at different times, and the execution order of these steps or stages is not necessarily to be carried out in sequence, but can be executed in turn or alternately with other steps or at least a part of the steps or stages in other steps.

[0124] Based on the same inventive concept, the embodiment of the present application also provides a vehicle wiring harness layout scheme determination device for implementing the above-mentioned vehicle wiring harness layout scheme determination method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the above-mentioned method, so the specific limitations of one or more vehicle wiring harness layout scheme determination device embodiments provided below can refer to the limitations of the vehicle wiring harness layout scheme determination method above, and will not be repeated here.

[0125] In an exemplary embodiment, Figure 7 As shown, a vehicle wiring harness layout scheme determination device 70 is provided, comprising: a principle determination module 10, a scheme determination module 20 and a scheme optimization module 30, wherein:

[0126] The principle determination module 10 is used to determine the system principle diagram of the vehicle wiring harness in the target vehicle according to the electrical device attribute information of each electrical device in the target vehicle and the vehicle wiring harness topology information of the target vehicle.

[0127] The scheme determination module 20 is used to determine the preliminary layout scheme of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle.

[0128] The scheme optimization module 30 is used to perform space verification and dynamic stress simulation on the vehicle wiring harness in sequence according to the preliminary layout scheme, and determine the target layout scheme of the vehicle wiring harness.

[0129] The above-mentioned device for determining the layout scheme of the vehicle wiring harness determines the system schematic diagram of the vehicle wiring harness in the target vehicle according to the electrical device attribute information of each electrical device in the target vehicle and the vehicle wiring harness topology information of the target vehicle, and determines the preliminary layout scheme of the vehicle wiring harness according to the system schematic diagram and the electrical device position information of each electrical device in the target vehicle; further, according to the preliminary layout scheme, the vehicle wiring harness is sequentially space-checked and dynamically stressed to determine the target layout scheme of the vehicle wiring harness. The above scheme ensures the accuracy of the determined system schematic diagram through the electrical device attribute information and the vehicle wiring harness topology information, and further ensures the accuracy and rationality of the preliminary layout scheme of the vehicle wiring harness; further, by introducing the space check and dynamic stress simulation process, the stress of the vehicle is fully considered, the preliminary layout scheme is optimized, and the accuracy and rationality of the determined target layout scheme is ensured.

[0130] In one embodiment, the preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the wiring harness cable type, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment, and the movement range of each wiring harness segment.

[0131] In one embodiment, the solution optimization module 30 includes:

[0132] The model building unit is used to build a first three-dimensional model of the vehicle wiring harness in the target vehicle according to the preliminary layout plan.

[0133] The spatial verification unit is used to perform spatial verification on the first three-dimensional model to obtain a verification result.

[0134] The first optimization unit is used to optimize the preliminary layout plan according to the kernel result to obtain the optimized layout plan.

[0135] The second optimization unit is used to perform dynamic stress simulation on the vehicle wiring harness based on the pipeline simulation software and according to the optimized layout plan to obtain a target layout plan of the vehicle wiring harness.

[0136] In one embodiment, the verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model; the first optimization unit is specifically used for:

[0137] For each harness segment, the harness length corresponding to the harness motion information that meets the space verification conditions in the harness operation information corresponding to the harness segment in the verification result is used as the target harness length of the harness segment; according to the target harness length of each harness segment, the harness length of the harness segment in the preliminary layout plan is optimized to obtain an optimized layout plan.

[0138] In one embodiment, the second optimization unit is specifically configured to:

[0139] The optimized layout plan is imported into the pipeline simulation software to obtain the second three-dimensional model of the vehicle wiring harness; the second three-dimensional model is simulated with cyclic dynamic stress under different candidate cable types to obtain the maximum number of cycles corresponding to different candidate cable types; the candidate cable type with a maximum number of cycles greater than the cycle threshold is used as the target cable type; according to the target cable type, the wiring harness cable type in the optimized layout plan is adjusted to obtain the target layout plan.

[0140] In one embodiment, the arrangement scheme determining device 70 for the vehicle wiring harness further includes:

[0141] The wiring harness arrangement module is used to arrange the vehicle wiring harness in the target vehicle according to the target arrangement scheme.

[0142] The test module is used to control the target vehicle where the vehicle wiring harness is arranged to perform tests in different preset test environments to obtain test data corresponding to the different preset test environments.

[0143] The evaluation module is used to evaluate the target layout scheme of the vehicle wiring harness according to the test data corresponding to different preset test environments.

[0144] Each module in the above-mentioned vehicle wiring harness layout scheme determination device can be implemented in whole or in part by software, hardware and a combination thereof. Each of the above-mentioned modules can be embedded in or independent of a processor in a computer device in the form of hardware, or can be stored in a memory in a computer device in the form of software, so that the processor can call and execute the operations corresponding to each of the above modules.

[0145] In an exemplary embodiment, a computer device is provided. The computer device may be a server, and its internal structure diagram may be as shown in FIG. Figure 8As shown. The computer device includes a processor, a memory, an input / output interface (Input / Output, referred to as I / O) and a communication interface. The processor, the memory and the input / output interface are connected through a system bus, and the communication interface is connected to the system bus through the input / output interface. The processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program and a database. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The input / output interface of the computer device is used to exchange information between the processor and an external device. The communication interface of the computer device is used to communicate with an external terminal through a network connection. When the computer program is executed by the processor, a method for determining a layout scheme of a vehicle wiring harness is implemented.

[0146] Those skilled in the art will understand that Figure 8 The structure shown in the figure is only a block diagram of a part of the structure related to the solution of the present application, and does not constitute a limitation on the computer device to which the solution of the present application is applied. The specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have a different arrangement of components.

[0147] In one embodiment, a computer device is provided, including a memory and a processor, wherein a computer program is stored in the memory, and when the processor executes the computer program, the following steps are implemented:

[0148] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0149] Determine the preliminary layout of the vehicle wiring harness based on the system schematic diagram and the electrical device location information of each electrical device in the target vehicle;

[0150] According to the preliminary layout plan, the vehicle wiring harness is spatially checked and dynamically stressed to determine the target layout plan of the vehicle wiring harness.

[0151] In one embodiment, the preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the wiring harness cable type, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment, and the movement range of each wiring harness segment.

[0152] In one embodiment, the processor executes the computer program to sequentially perform space verification and dynamic stress simulation on the vehicle wiring harness according to the preliminary layout plan, and when determining the target layout plan of the vehicle wiring harness, the following steps are also implemented:

[0153] According to the preliminary layout plan, the first three-dimensional model of the vehicle wiring harness in the target vehicle is constructed; the first three-dimensional model is spatially verified to obtain the verification results; according to the verification results, the preliminary layout plan is optimized to obtain the optimized layout plan; based on the pipeline simulation software, according to the optimized layout plan, the vehicle wiring harness is dynamically stressed to obtain the target layout plan of the vehicle wiring harness.

[0154] In one embodiment, the verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model; the processor executes the computer program to optimize the preliminary layout plan according to the verification result, and when the optimized layout plan is obtained, the following steps are also implemented:

[0155] For each harness segment, the harness length corresponding to the harness motion information that meets the space verification conditions in the harness operation information corresponding to the harness segment in the verification result is used as the target harness length of the harness segment; according to the target harness length of each harness segment, the harness length of the harness segment in the preliminary layout plan is optimized to obtain an optimized layout plan.

[0156] In one embodiment, when the processor executes the computer program based on the pipeline simulation software to perform dynamic stress simulation on the vehicle wiring harness according to the optimized layout plan and obtains the target layout plan of the vehicle wiring harness, the following steps are also implemented:

[0157] The optimized layout plan is imported into the pipeline simulation software to obtain the second three-dimensional model of the vehicle wiring harness; the second three-dimensional model is simulated with cyclic dynamic stress under different candidate cable types to obtain the maximum number of cycles corresponding to different candidate cable types; the candidate cable type with a maximum number of cycles greater than the cycle threshold is used as the target cable type; according to the target cable type, the wiring harness cable type in the optimized layout plan is adjusted to obtain the target layout plan.

[0158] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0159] Arrange the vehicle wiring harness in the target vehicle according to the target arrangement scheme; control the target vehicle in which the vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments; and evaluate the target arrangement scheme of the vehicle wiring harness according to the test data corresponding to the different preset test environments.

[0160] In one embodiment, a computer readable storage medium is provided, on which a computer program is stored, and when the computer program is executed by a processor, the following steps are implemented:

[0161] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0162] Determine the preliminary layout of the vehicle wiring harness based on the system schematic diagram and the electrical device location information of each electrical device in the target vehicle;

[0163] According to the preliminary layout plan, the vehicle wiring harness is spatially checked and dynamically stressed to determine the target layout plan of the vehicle wiring harness.

[0164] In one embodiment, the preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the wiring harness cable type, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment, and the movement range of each wiring harness segment.

[0165] In one embodiment, the processor executes the computer program to sequentially perform space verification and dynamic stress simulation on the vehicle wiring harness according to the preliminary layout plan, and when determining the target layout plan of the vehicle wiring harness, the following steps are also implemented:

[0166] According to the preliminary layout plan, the first three-dimensional model of the vehicle wiring harness in the target vehicle is constructed; the first three-dimensional model is spatially verified to obtain the verification results; according to the verification results, the preliminary layout plan is optimized to obtain the optimized layout plan; based on the pipeline simulation software, according to the optimized layout plan, the vehicle wiring harness is dynamically stressed to obtain the target layout plan of the vehicle wiring harness.

[0167] In one embodiment, the verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model; the processor executes the computer program to optimize the preliminary layout plan according to the verification result, and when the optimized layout plan is obtained, the following steps are also implemented:

[0168] For each harness segment, the harness length corresponding to the harness motion information that meets the space verification conditions in the harness operation information corresponding to the harness segment in the verification result is used as the target harness length of the harness segment; according to the target harness length of each harness segment, the harness length of the harness segment in the preliminary layout plan is optimized to obtain an optimized layout plan.

[0169] In one embodiment, when the processor executes the computer program based on the pipeline simulation software to perform dynamic stress simulation on the vehicle wiring harness according to the optimized layout plan and obtains the target layout plan of the vehicle wiring harness, the following steps are also implemented:

[0170] The optimized layout plan is imported into the pipeline simulation software to obtain the second three-dimensional model of the vehicle wiring harness; the second three-dimensional model is simulated with cyclic dynamic stress under different candidate cable types to obtain the maximum number of cycles corresponding to different candidate cable types; the candidate cable type with a maximum number of cycles greater than the cycle threshold is used as the target cable type; according to the target cable type, the wiring harness cable type in the optimized layout plan is adjusted to obtain the target layout plan.

[0171] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0172] Arrange the vehicle wiring harness in the target vehicle according to the target arrangement scheme; control the target vehicle in which the vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments; and evaluate the target arrangement scheme of the vehicle wiring harness according to the test data corresponding to the different preset test environments.

[0173] In one embodiment, a computer program product is provided, comprising a computer program, which, when executed by a processor, implements the following steps:

[0174] Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle;

[0175] Determine the preliminary layout of the vehicle wiring harness based on the system schematic diagram and the electrical device location information of each electrical device in the target vehicle;

[0176] According to the preliminary layout plan, the vehicle wiring harness is spatially checked and dynamically stressed to determine the target layout plan of the vehicle wiring harness.

[0177] In one embodiment, the preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the wiring harness cable type, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment, and the movement range of each wiring harness segment.

[0178] In one embodiment, the processor executes the computer program to sequentially perform space verification and dynamic stress simulation on the vehicle wiring harness according to the preliminary layout plan, and when determining the target layout plan of the vehicle wiring harness, the following steps are also implemented:

[0179] According to the preliminary layout plan, the first three-dimensional model of the vehicle wiring harness in the target vehicle is constructed; the first three-dimensional model is spatially verified to obtain the verification results; according to the verification results, the preliminary layout plan is optimized to obtain the optimized layout plan; based on the pipeline simulation software, according to the optimized layout plan, the vehicle wiring harness is dynamically stressed to obtain the target layout plan of the vehicle wiring harness.

[0180] In one embodiment, the verification result includes the harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model; the processor executes the computer program to optimize the preliminary layout plan according to the verification result, and when the optimized layout plan is obtained, the following steps are also implemented:

[0181] For each harness segment, the harness length corresponding to the harness motion information that meets the space verification conditions in the harness operation information corresponding to the harness segment in the verification result is used as the target harness length of the harness segment; according to the target harness length of each harness segment, the harness length of the harness segment in the preliminary layout plan is optimized to obtain an optimized layout plan.

[0182] In one embodiment, when the processor executes the computer program based on the pipeline simulation software to perform dynamic stress simulation on the vehicle wiring harness according to the optimized layout plan and obtains the target layout plan of the vehicle wiring harness, the following steps are also implemented:

[0183] The optimized layout plan is imported into the pipeline simulation software to obtain the second three-dimensional model of the vehicle wiring harness; the second three-dimensional model is simulated with cyclic dynamic stress under different candidate cable types to obtain the maximum number of cycles corresponding to different candidate cable types; the candidate cable type with a maximum number of cycles greater than the cycle threshold is used as the target cable type; according to the target cable type, the wiring harness cable type in the optimized layout plan is adjusted to obtain the target layout plan.

[0184] In one embodiment, when the processor executes the computer program, the processor further implements the following steps:

[0185] Arrange the vehicle wiring harness in the target vehicle according to the target arrangement scheme; control the target vehicle in which the vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments; and evaluate the target arrangement scheme of the vehicle wiring harness according to the test data corresponding to the different preset test environments.

[0186] It should be noted that the data involved in this application (including but not limited to data used for analysis, storage, display, etc.) are all information and data fully authorized by all parties, and the collection, use and processing of relevant data must comply with relevant regulations.

[0187] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the computer program can be stored in a non-volatile computer-readable storage medium. When the computer program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to the memory, database or other medium used in the embodiments provided in this application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory, optical memory, high-density embedded non-volatile memory, resistive random access memory (ReRAM), magnetoresistive random access memory (MRAM), ferroelectric random access memory (FRAM), phase change memory (PCM), graphene memory, etc. Volatile memory can include random access memory (RAM) or external cache memory, etc. As an illustration and not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM). The database involved in each embodiment provided in this application may include at least one of a relational database and a non-relational database. Non-relational databases may include distributed databases based on blockchains, etc., but are not limited to this. The processor involved in each embodiment provided in this application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic device, a data processing logic device based on quantum computing, etc., but are not limited to this.

[0188] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0189] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A method for determining a layout scheme of a vehicle wiring harness, characterized in that: The method comprises: Determine a system schematic diagram of a vehicle wiring harness in the target vehicle based on electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle; Determine a preliminary layout plan of the vehicle wiring harness according to the system schematic diagram and the electrical component position information of each electrical device in the target vehicle; According to the preliminary layout plan, the vehicle wiring harness is sequentially subjected to space verification and dynamic stress simulation to determine a target layout plan for the vehicle wiring harness.

2. The method according to claim 1, characterized in that The preliminary layout plan includes the wiring harness layout position, the number of wiring harnesses, the type of wiring harness cables, the wiring harness diameter, the wiring harness fixing points, the fixing methods corresponding to the wiring harness fixing points, the wiring harness length of each wiring harness segment and the movement range of each wiring harness segment.

3. The method according to claim 2, characterized in that The method of sequentially performing space verification and dynamic stress simulation on the vehicle wiring harness according to the preliminary layout plan to determine a target layout plan of the vehicle wiring harness includes: According to the preliminary arrangement scheme, constructing a first three-dimensional model of the vehicle wiring harness in the target vehicle; Performing spatial verification on the first three-dimensional model to obtain a verification result; According to the kernel result, the preliminary layout plan is optimized to obtain an optimized layout plan; Based on the pipeline simulation software, according to the optimized layout plan, the dynamic stress simulation of the vehicle wiring harness is performed to obtain the target layout plan of the vehicle wiring harness.

4. The method according to claim 3, characterized in that The verification result includes harness motion information corresponding to different harness lengths of each harness segment in the first three-dimensional model; Accordingly, the preliminary arrangement scheme is optimized according to the verification result to obtain an optimized arrangement scheme, including: For each harness segment, taking the harness length corresponding to the harness motion information that meets the space verification condition in each harness operation information corresponding to the harness segment in the verification result as the target harness length of the harness segment; According to the target harness length of each harness segment, the harness length of the harness segment in the preliminary layout plan is optimized to obtain an optimized layout plan.

5. The method according to claim 3, characterized in that: The pipeline simulation software is used to perform dynamic stress simulation on the vehicle wiring harness according to the optimized layout scheme to obtain a target layout scheme of the vehicle wiring harness, including: Importing the optimized layout scheme into pipeline simulation software to obtain a second three-dimensional model of the vehicle wiring harness; Performing cyclic dynamic stress simulation on the second three-dimensional model under different candidate cable types to obtain maximum number of cycles corresponding to different candidate cable types; Taking the candidate cable type whose maximum cycle number is greater than the cycle threshold as the target cable type; According to the target cable type, the type of the wiring harness cables in the optimized layout scheme is adjusted to obtain a target layout scheme.

6. The method according to claim 1, characterized in that The method further comprises: Arranging the vehicle wiring harness in the target vehicle according to the target arrangement scheme; Controlling a target vehicle for which a vehicle wiring harness is arranged to be tested in different preset test environments to obtain test data corresponding to the different preset test environments; The target layout scheme of the vehicle wiring harness is evaluated according to the test data corresponding to different preset test environments.

7. A device for determining a layout scheme of a vehicle wiring harness, characterized in that: The device comprises: A principle determination module, used to determine a system principle diagram of a vehicle wiring harness in the target vehicle according to electrical device attribute information of each electrical device in the target vehicle and vehicle wiring harness topology information of the target vehicle; A scheme determination module, used to determine a preliminary layout scheme of the vehicle wiring harness according to the system schematic diagram and the electrical device position information of each electrical device in the target vehicle; The scheme optimization module is used to perform space verification and dynamic stress simulation on the vehicle wiring harness in sequence according to the preliminary layout scheme, so as to determine the target layout scheme of the vehicle wiring harness.

8. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the method according to any one of claims 1 to 6 are implemented.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 6 are implemented.

10. A computer program product, comprising a computer program, characterized in that When the computer program is executed by a processor, the steps of the method according to any one of claims 1 to 6 are implemented.

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