A car light sunlight focusing simulation method and device, electronic equipment and storage medium

Abstract

The application relates to a sunlight focusing simulation method for a vehicle lamp, which comprises the following steps: simulating all focusing points of a vehicle lamp lens according to the angle of sunlight incident on the vehicle lamp; aggregating all the focusing points to obtain a focal point envelope surface; moving the focal point envelope surface by a first preset distance in the direction of sunlight incidence to obtain a forward-moving envelope surface; moving the focal point envelope surface by a second preset distance in the direction of sunlight incidence to obtain a backward-moving envelope surface; connecting the forward-moving envelope surface and the backward-moving envelope surface to obtain a focal point envelope body; determining an interference position when the focal point envelope body interferes with other elements in the vehicle lamp except the lens; and simulating the sunlight incidence angle corresponding to the interference position. Compared with the prior art, the application does not need to simulate all incidence angle ranges, but only needs to simulate the part of the incidence angle range where the focal point envelope body intersects with the surrounding elements. In this way, the number of temperature simulation rounds can be reduced, the angle range of each simulation round can be reduced, the simulation time can be reduced, and the efficiency can be greatly improved.

Description

Technical Field

[0001] This application relates to the field of automotive testing, and more specifically, to a method, system, device, electronic device, and storage medium for simulating sunlight focusing on vehicle headlights. Background Technology

[0002] Currently, a common design for automotive headlights is the use of optical lenses surrounded by decorative rings. When sunlight shines on the lens, it can focus energy, concentrating it on the decorative ring and causing it to burn and become damaged. Therefore, during the design phase, CAE simulations of sunlight focusing on the lens are performed, and optimizations are made based on the simulation results to prevent damage to the decorative ring caused by focusing. However, current simulation methods typically simulate the entire range of sunlight illumination angles. Using a certain sunlight power, the propagation path of light through the lens and surrounding components is simulated. Combined with information on structure, material properties, and surface treatment, the overall temperature distribution of the surrounding components is calculated to analyze whether it exceeds the allowable temperature of the materials. Based on the analysis results, the structure is optimized, materials are changed, or surface treatment is modified, and then a new round of simulation is performed until it passes the test. This process usually involves about three rounds of analysis. This simulation method has many steps, is time-consuming, and inefficient, especially the final step of simulating the temperature distribution, which is very time-consuming. Summary of the Invention

[0003] To address the aforementioned technical problems, this application is proposed. Embodiments of this application provide a method for simulating sunlight focusing in vehicle headlights, comprising:

[0004] Simulates all the focal points of the headlight lens based on the angle at which sunlight hits the headlights;

[0005] Aggregate all the aforementioned focal points to obtain the focal envelope;

[0006] Along the direction of sunlight incidence, the focal envelope is moved forward by a first preset distance to obtain a forward-moving envelope.

[0007] Along the direction of sunlight incidence, the focal envelope is moved backward by a second preset distance to obtain a backward-moving envelope.

[0008] Connect the forward-moving envelope surface and the backward-moving envelope surface to obtain the focal envelope volume;

[0009] When the focal envelope interferes with other components in the headlight besides the lens, determine the interference position;

[0010] CAE simulation was performed on the sunlight incident angle corresponding to the interference position.

[0011] Alternatively, the method for simulating sunlight focusing in vehicle headlights also includes:

[0012] When the focal envelope interferes with other components in the headlight besides the lens, the position of the lens or the position of the other components is adjusted so that the focal envelope does not interfere with the other components.

[0013] Optionally, the first preset distance is 10 millimeters.

[0014] Optionally, the second preset distance is 10 millimeters.

[0015] Alternatively, the method for simulating sunlight focusing in vehicle headlights also includes:

[0016] Analyze whether the focal envelope interferes with the other elements.

[0017] Optionally, analyzing whether the focal envelope interferes with the other elements includes:

[0018] Obtain the distance between the focal envelope and the other elements;

[0019] When the distance is less than or equal to 0, the focal envelope interferes with the other elements;

[0020] When the distance is greater than 0, the focal envelope does not interfere with the other elements.

[0021] Optionally, CAE simulation of the sunlight incident angle corresponding to the interference position includes:

[0022] Set the simulated ambient temperature according to the temperature requirements input by the OEM;

[0023] In the simulation software, the corresponding material properties and surface treatment methods are set for the lens and the other components;

[0024] Set the radiation intensity value of sunlight;

[0025] When the lens and the other components reach thermal equilibrium, the equilibrium temperature at which thermal equilibrium is achieved is obtained.

[0026] Compare the equilibrium temperature with the allowable temperatures of the other components;

[0027] The vehicle lamp is qualified when the equilibrium temperature is lower than the allowable temperature;

[0028] The vehicle lamp is defective if the equilibrium temperature is higher than the allowable temperature.

[0029] This application also provides a vehicle headlight sunlight focusing simulation device, including:

[0030] A focal point simulation device is configured to simulate all focal points of the headlight lens based on the angle at which sunlight strikes the headlight.

[0031] A focal point aggregation device is configured to aggregate all said focal points to obtain a focal envelope.

[0032] A focal envelope moving device is configured to move the focal envelope forward by a first preset distance along the direction of sunlight incidence to obtain a forward-moving envelope; and to move the focal envelope backward by a second preset distance along the direction of sunlight incidence to obtain a backward-moving envelope.

[0033] A focal envelope acquisition device is configured to connect the forward-moving envelope surface and the backward-moving envelope surface to obtain a focal envelope.

[0034] An interference position determining device is configured to determine the interference position when the focal envelope interferes with other elements in the vehicle headlight besides the lens;

[0035] The simulation device is configured to perform CAE simulation of the sunlight incident angle corresponding to the interference position.

[0036] According to another aspect of this application, an electronic device is provided, comprising: a processor; and a memory storing computer program instructions, which, when executed by the processor, cause the processor to perform the vehicle headlight sunlight focusing simulation method as described above.

[0037] According to another aspect of this application, a computer-readable medium is provided having computer program instructions stored thereon, which, when executed by a processor, cause the processor to perform the vehicle headlight sunlight focusing simulation method as described above.

[0038] Compared with existing technologies, the method for simulating sunlight focusing in vehicle headlights provided in this application first simulates all focal points based on the sunlight incident angle. The sum of all focal points forms a spatial surface, called the focal envelope. This envelope is then shifted forward and backward by d0 to form a forward-shifted envelope and a backward-shifted envelope. Connecting these two envelopes forms the focal envelope body. Next, the method analyzes whether the focal envelope body interferes with the surrounding components. If interference occurs, the structure of the lens's surrounding components is adjusted to avoid interference. After structural optimization, temperature distribution simulation is performed, taking into account material properties and surface treatment. Finally, when simulating temperature, it is not necessary to simulate all incident angle ranges; only the portion of the incident angle range where the focal envelope body intersects with the surrounding components needs to be simulated. This reduces the number of temperature simulation rounds and the angle range simulated in each round, thus reducing simulation time and significantly improving efficiency. Attached Figure Description

[0039] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objectives, and beneficial effects of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0040] Figure 1 This is a flowchart of a vehicle headlight sunlight focusing simulation method according to an embodiment of this application;

[0041] Figure 2 This is a flowchart illustrating a method for simulating sunlight focusing in vehicle headlights according to an embodiment of this application.

[0042] Figure 3 This is a block diagram of an electronic device according to an embodiment of this application. Detailed Implementation

[0043] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0044] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0045] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0046] The following are explanations of some technical terms used in this application:

[0047] CAE (Computer-Aided Engineering) refers to computer-aided engineering in engineering design. It involves using computers to analyze the structural mechanics of complex engineering projects and products, and to optimize structural performance. It organically organizes various stages of engineering (production), and its key is the integration of relevant information, ensuring its existence throughout the entire lifecycle of the project (product). CAE software can perform static and dynamic structural analysis; study linear and nonlinear problems; and analyze structures (solids), fluids, and electromagnetics.

[0048] Please refer to Figures 1-2 In one embodiment of this application, the method for simulating sunlight focusing in vehicle headlights includes:

[0049] S1: Simulates all the focal points of the headlight lens based on the angle of sunlight incident on the headlight;

[0050] S2: Aggregate all the focal points to obtain the focal envelope;

[0051] The aggregation referred to in this application does not actually aggregate all the focal points into a single physical surface, but rather simulates or imagines the location of all the focal points as a virtual envelope surface.

[0052] S3: Move the focal envelope forward by a first preset distance along the direction of sunlight incidence to obtain a forward-moving envelope;

[0053] This preset distance is an empirical value, generally set to d0 = 10mm, and can be corrected based on simulation results and experience.

[0054] S4: Move the focal envelope surface backward by a second preset distance along the direction of sunlight incidence to obtain a backward-moving envelope surface;

[0055] This preset distance is an empirical value, generally set to d0 = 10mm, and can be corrected based on simulation results and experience.

[0056] The first distance and the second distance may be the same or different, both of which are within the scope of protection claimed in this application.

[0057] S5: Connect the forward-moving envelope surface and the backward-moving envelope surface to obtain the focal envelope;

[0058] The connection referred to in this application is not a real physical connection, but rather a connection between two envelope surfaces using a simulated connection line to form a virtual envelope surface.

[0059] S6: When the focal envelope interferes with other components in the headlight besides the lens, determine the interference position;

[0060] Interference means that the gap between two parts is less than or equal to zero, that is, the two parts have an intersection, which can be easily judged using three-dimensional data through various commonly used structural design software (such as CATIA, UG, SolidWork, etc.). In another description, it is analyzed whether there is an intersection between the focal point envelope and the surrounding parts. If there is an intersection, adjust the position of the lens or the structure of the surrounding parts to move the focal point envelope away from the surrounding parts until there is no intersection or the intersection is minimized.

[0061] S7: Perform CAE simulation on the sunlight incident angle corresponding to the interference position.

[0062] CAE simulation process: Set the simulated ambient temperature according to the temperature requirements input by the vehicle manufacturer, set corresponding material properties (generally including the reflectivity, transmittance, refractive index, thermal conductivity, allowable temperature, etc. of the material) and surface treatment methods (such as whether the surface is plated with aluminum, etc.) for each component such as the lens and surrounding parts in the simulation software, and then set the radiation intensity value of sunlight irradiation (generally 1200W / m 2 or so). Since the light will be focused after passing through the lens, the temperature of the lens and the surrounding parts will get higher and higher. When the temperature of the lens or the surrounding parts is higher than the ambient temperature, the lens or the surrounding parts will also dissipate heat to the environment at the same time. Eventually, the heat generation and heat dissipation are equivalent, that is, thermal equilibrium is reached, and at this time the temperature of the lens or the surrounding parts will no longer change. The temperature at which thermal equilibrium is reached may exceed the allowable temperature of the material of the lens or the surrounding parts. Therefore, the temperature value of each component when reaching thermal equilibrium is compared with the allowable temperature of the material of the component. If it is lower than the allowable temperature, it is qualified; otherwise, it is unqualified.

[0063] In other embodiments of the present application, the vehicle lamp sunlight focusing simulation method further includes:

[0064] When the focal point envelope interferes with other elements in the vehicle lamp except the lens, adjust the position of the lens or adjust the position of the other elements so that the focal point envelope does not interfere with the other elements.

[0065] In this application, there are two possible outcomes when initially determining whether the envelope interferes with other components: interference or no interference. If there is no interference, it means that sunlight entering the headlight at any angle will not damage other components, and no further adjustments are needed; the final simulation can proceed directly. If interference occurs, it is necessary to adjust the position of the lens or other components, or to adjust the lens and other components simultaneously. There are also two possible outcomes of these adjustments: First, the envelope is adjusted to a state where it does not interfere with other components. In this case, subsequent testing continues. Second, even after adjustment, the envelope still interferes with other components. In this case, there are two options: first, continue adjusting the positional relationship until there is no interference; second, use the current positional relationship for testing. Regardless of which option is chosen, it falls within the scope of protection claimed in this application.

[0066] In other embodiments of this application, analyzing whether the focal envelope interferes with the other elements includes:

[0067] Obtain the distance between the focal envelope and the other elements;

[0068] When the distance is less than or equal to 0, the focal envelope interferes with the other elements;

[0069] When the distance is greater than 0, the focal envelope does not interfere with the other elements.

[0070] This application also provides a vehicle headlight sunlight focusing simulation device, including:

[0071] A focal point simulation device is configured to simulate all focal points of the headlight lens based on the angle at which sunlight strikes the headlight.

[0072] A focal point aggregation device is configured to aggregate all said focal points to obtain a focal envelope.

[0073] A focal envelope moving device is configured to move the focal envelope forward by a first preset distance along the direction of sunlight incidence to obtain a forward-moving envelope; and to move the focal envelope backward by a second preset distance along the direction of sunlight incidence to obtain a backward-moving envelope.

[0074] A focal envelope acquisition device is configured to connect the forward-moving envelope surface and the backward-moving envelope surface to obtain a focal envelope.

[0075] An interference position determining device is configured to determine the interference position when the focal envelope interferes with other elements in the vehicle headlight besides the lens;

[0076] The simulation device is configured to perform CAE simulation of the sunlight incident angle corresponding to the interference position.

[0077] like Figure 2 As shown, existing simulation methods lack steps (b), (c), (d), and (e) in the flowchart. Each round of simulation can only be optimized after the temperature distribution results are obtained. Using the method proposed in this invention, steps (b) and (c) can optimize the structure based on the focal envelope without performing temperature simulation. If the structure can completely avoid the envelope, subsequent temperature distribution simulations can be omitted, and the structure can be directly judged as qualified. Even if the structure cannot completely avoid the envelope, the number of rounds of temperature distribution simulation can be reduced. The time for simulating the focal envelope is much less than the time for simulating the temperature distribution, thus greatly improving efficiency. Using steps (b) and (e) proposed in this invention, the range of incident angles can be narrowed, which can also greatly reduce the time for temperature distribution simulation.

[0078] Compared with existing technologies, the method for simulating sunlight focusing in vehicle headlights provided in this application first simulates all focal points based on the sunlight incident angle. The sum of all focal points forms a spatial surface, called the focal envelope. This envelope is then shifted forward and backward by d0 to form a forward-shifted envelope and a backward-shifted envelope. Connecting these two envelopes forms the focal envelope body. Next, the method analyzes whether the focal envelope body interferes with the surrounding components. If interference occurs, the structure of the lens's surrounding components is adjusted to avoid interference. After structural optimization, temperature distribution simulation is performed, taking into account material properties and surface treatment. Finally, when simulating temperature, it is not necessary to simulate all incident angle ranges; only the portion of the incident angle range where the focal envelope body intersects with the surrounding components needs to be simulated. This reduces the number of temperature simulation rounds and the angle range simulated in each round, thus reducing simulation time and significantly improving efficiency.

[0079] Exemplary electronic devices

[0080] Below, for reference Figure 3 This describes an electronic device according to embodiments of the present application.

[0081] Figure 3 A block diagram of an electronic device according to an embodiment of this application is illustrated.

[0082] like Figure 3 As shown, the electronic device 10 includes one or more processors 11 and memory 12.

[0083] The processor 11 may be a central processing unit (CPU) or other form of processing unit with data processing capabilities and / or instruction execution capabilities, and may control other components in the electronic device 10 to perform desired functions.

[0084] The memory 12 may include one or more computer program products, which may include various forms of computer-readable storage media, such as volatile memory and / or non-volatile memory. The volatile memory may include, for example, random access memory (RAM) and / or cache memory. The non-volatile memory may include, for example, read-only memory (ROM), hard disk, flash memory, etc. One or more computer program instructions may be stored on the computer-readable storage medium, and the processor 11 may execute the program instructions to implement the functions in the high beam control methods of the various embodiments of this application described above, and / or other desired functions. Various contents, such as target position feature vectors, may also be stored in the computer-readable storage medium.

[0085] In one example, the electronic device 10 may also include an input device 13 and an output device 14, which are interconnected via a bus system and / or other forms of connection mechanism (not shown).

[0086] The input device 13 may include, for example, a keyboard, a mouse, etc.

[0087] The output device 14 can output various information to the outside, including decoded values. The output device 14 may include, for example, a display, a speaker, a printer, and a communication network and its connected remote output devices, etc.

[0088] Of course, for the sake of simplicity, Figure 3 Only some of the components of the electronic device 10 relevant to this application are shown in this illustration; components such as buses, input / output interfaces, etc., are omitted. In addition, the electronic device 10 may include any other suitable components depending on the specific application.

[0089] Exemplary computer program products and computer-readable storage media

[0090] In addition to the methods and devices described above, embodiments of this application may also be computer program products, which include computer program instructions that, when executed by a processor, cause the processor to perform the steps of the functions in the vehicle headlight sunlight focusing simulation method according to various embodiments of this application described in the "Exemplary Methods" section of this specification.

[0091] The computer program product can be written in any combination of one or more programming languages ​​to perform the operations of the embodiments of this application. The programming languages ​​include object-oriented programming languages ​​such as Java and C++, as well as conventional procedural programming languages ​​such as C or similar languages. The program code can be executed entirely on the user's computing device, partially on the user's computing device, as a standalone software package, partially on the user's computing device and partially on a remote computing device, or entirely on a remote computing device or server.

[0092] Furthermore, embodiments of this application may also be computer-readable storage media storing computer program instructions thereon, which, when executed by a processor, cause the processor to perform the steps of the vehicle headlight sunlight focusing simulation method according to various embodiments of this application described in the "Exemplary Methods" section above.

[0093] The computer-readable storage medium may be any combination of one or more readable media. A readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may, for example, include, but is not limited to, electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems, apparatuses, or devices, or any combination thereof. More specific examples of readable storage media (a non-exhaustive list) include: electrical connections having one or more wires, portable disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fibers, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof.

[0094] The basic principles of this application have been described above with reference to specific embodiments. However, it should be noted that the advantages, benefits, and effects mentioned in this application are merely examples and not limitations, and should not be considered as essential features of each embodiment of this application. Furthermore, the specific details disclosed above are for illustrative and facilitative purposes only, and are not limitations. These details do not limit the application to the necessity of employing the aforementioned specific details for implementation.

[0095] The block diagrams of devices, apparatuses, devices, and systems involved in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As those skilled in the art will recognize, these devices, apparatuses, devices, and systems can be connected, arranged, and configured in any manner. Words such as “comprising,” “including,” “having,” etc., are open-ended terms meaning “including but not limited to,” and are used interchangeably with them. The terms “or” and “and” as used herein refer to the terms “and / or,” and are used interchangeably with them unless the context clearly indicates otherwise. The term “such as” as used herein refers to the phrase “such as but not limited to,” and is used interchangeably with it.

[0096] It should also be noted that in the apparatus, equipment, and methods of this application, the components or steps can be disassembled and / or recombined. These disassemblies and / or recombinations should be considered as equivalent solutions of this application.

[0097] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use this application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other aspects without departing from the scope of this application. Therefore, this application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0098] The above description has been given for purposes of illustration and description. Furthermore, this description is not intended to limit the embodiments of this application to the forms disclosed herein. Although numerous exemplary aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.

Claims

1. A method for simulating sunlight focusing in vehicle headlights, characterized in that, include: Simulates all the focal points of the headlight lens based on the angle at which sunlight hits the headlights; Aggregate all the aforementioned focal points to obtain the focal envelope; Along the direction of sunlight incidence, the focal envelope is moved forward by a first preset distance to obtain a forward-moving envelope. Along the direction of sunlight incidence, the focal envelope is moved backward by a second preset distance to obtain a backward-moving envelope. Connect the forward-moving envelope surface and the backward-moving envelope surface to obtain the focal envelope volume; When the focal envelope interferes with other components in the headlight besides the lens, it is determined that the focal envelope intersects with other components in the headlight besides the lens. The position of the lens or the structure of other components is adjusted to move the focal envelope away from other components until there is no intersection or the intersection is minimal. Alternatively, when the focal envelope interferes with other components in the headlight besides the lens, the position of other components is adjusted so that the focal envelope does not interfere with other components. If the two have no intersection, that is, the focal envelope does not interfere with the other elements, and it is determined that the structure can completely avoid the focal envelope, then no further temperature distribution simulation is performed, and it is directly judged as qualified. If the intersection is minimized, the interference position is determined. CAE simulation was performed on the sunlight incident angle corresponding to the interference position.

2. The method for simulating sunlight focusing in vehicle headlights according to claim 1, characterized in that, The first preset distance is 10 millimeters.

3. The method for simulating sunlight focusing in vehicle headlights according to claim 1, characterized in that, The second preset distance is 10 millimeters.

4. The method for simulating sunlight focusing in vehicle headlights according to claim 1, characterized in that, The methods for simulating sunlight focusing in vehicle headlights also include: Analyze whether the focal envelope interferes with the other elements.

5. The method for simulating sunlight focusing in vehicle headlights according to claim 4, characterized in that, Analyzing whether the focal envelope interferes with the other elements includes: Obtain the distance between the focal envelope and the other elements; When the distance is less than or equal to 0, the focal envelope interferes with the other elements; When the distance is greater than 0, the focal envelope does not interfere with the other elements.

6. The method for simulating sunlight focusing in vehicle headlights according to claim 1, characterized in that, CAE simulation of the sunlight incident angle corresponding to the interference position includes: Set the simulated ambient temperature according to the temperature requirements input by the OEM; In the simulation software, the corresponding material properties and surface treatment methods are set for the lens and the other components; Set the radiation intensity value for sunlight exposure; When the lens and the other components reach thermal equilibrium, the equilibrium temperature at which thermal equilibrium is achieved is obtained. Compare the equilibrium temperature with the allowable temperatures of the other components; The vehicle lamp is qualified when the equilibrium temperature is lower than the allowable temperature; The vehicle lamp is defective when the equilibrium temperature is higher than the allowable temperature.

7. A vehicle headlight sunlight focusing simulation device, characterized in that, include: A focal point simulation device is configured to simulate all focal points of the headlight lens based on the angle at which sunlight strikes the headlight. A focal point aggregation device is configured to aggregate all said focal points to obtain a focal envelope. A focal envelope moving device is configured to move the focal envelope forward by a first preset distance along the direction of sunlight incidence to obtain a forward-moving envelope; and to move the focal envelope backward by a second preset distance along the direction of sunlight incidence to obtain a backward-moving envelope. A focal envelope acquisition device is configured to connect the forward-moving envelope surface and the backward-moving envelope surface to obtain a focal envelope. An interference position determining device is configured to determine that when the focal envelope interferes with other elements in the vehicle lamp other than the lens, the focal envelope intersects with other elements in the vehicle lamp other than the lens, and adjust the position of the lens or the structure of other elements to move the focal envelope away from other elements until there is no intersection or the intersection is minimal; or when the focal envelope interferes with other elements in the vehicle lamp other than the lens, adjust the position of other elements so that the focal envelope does not interfere with other elements. If the two have no intersection, that is, the focal envelope does not interfere with the other elements, and it is determined that the structure can completely avoid the focal envelope, then no further temperature distribution simulation is performed, and it is directly judged as qualified. If the intersection is minimized, the interference position is determined. The simulation device is configured to perform CAE simulation of the sunlight incident angle corresponding to the interference position.

8. A vehicle headlight sunlight focusing simulation electronic device, comprising an external memory card, characterized in that, The electronic device includes the vehicle headlight sunlight focusing simulation device as described in claim 7.

9. A storage medium, characterized in that, It contains a computer program that, when executed by a processor, implements the method as described in any one of claims 1-6.

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