Simulation analysis method, system, medium and equipment for shielding effectiveness of electromagnetic radiation-proof clothes
By constructing an electromagnetic radiation-proof clothing model and conducting electromagnetic simulation experiments, the shielding performance of the clothing model is determined, and the problems of high testing environment requirements and insufficient calculation accuracy in the existing technology are solved, and efficient and accurate electromagnetic shielding clothing performance analysis is achieved.
Patent Information
- Application Number
- CN202510008216.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2025-05-02
AI Technical Summary
In the prior art, the testing methods of electromagnetic shielded clothing have high requirements for the testing environment and are difficult to test. The numerical calculation method lacks calculation accuracy when processing complex models, making it difficult to accurately simulate the impact of holes and gaps in the clothing structure on shielding performance.
By constructing an electromagnetic radiation-proof clothing model, the electric field intensity of the internal position points of the clothing model is determined using electromagnetic simulation experiments, and the shielding effect is calculated based on the electric field intensity, and the impact of the hole seam distribution information on shielding effect is analyzed.
It provides a reliable simulation analysis method, which reduces the requirements for the test environment, reduces the difficulty of testing, improves testing efficiency and flexibility, and can accurately simulate the impact of holes and gaps in clothing structures on shielding performance.
Smart Images
Figure CN119918276A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of electromagnetic radiation protection, and in particular to a method, system, medium and equipment for simulating and analyzing the shielding effectiveness of electromagnetic radiation protection clothing. Background Art
[0002] With the large-scale application of electronic devices, electromagnetic radiation pollution has become a global environmental problem, posing a potential threat to human health. In order to reduce the harm of electromagnetic radiation, electromagnetic shielding clothing has received widespread attention.
[0003] Shielding effectiveness is an important performance indicator of electromagnetic shielding clothing. Relevant technology can generally determine the shielding effectiveness of electromagnetic shielding clothing through experimental testing methods.
[0004] However, the experimental testing method has high requirements on the testing environment and is difficult to test. Summary of the invention
[0005] The present invention provides a method, system, medium and equipment for simulating and analyzing the shielding effectiveness of an electromagnetic radiation protection clothing, so as to solve the defects of the experimental testing method in the related technology in that the testing environment is high and the testing difficulty is high, and a reliable method for simulating and determining the shielding effectiveness of an electromagnetic radiation protection clothing is provided, thereby reducing the testing requirements and the testing difficulty.
[0006] In a first aspect, the present invention provides a method for simulating and analyzing the shielding effectiveness of electromagnetic radiation protection clothing, comprising: According to the adult body size data, the chest circumference and shoulder width of the clothing model to be constructed are determined, and the size data of the first part to be constructed, the second part to be constructed and the arm part to be constructed of the clothing model to be constructed are determined; wherein the first part to be constructed is used to cover the chest, abdomen and buttocks of the human body, and the second part to be constructed is used to cover the shoulders, neck and ribs of the human body; Setting buttonhole distribution information and zipper gap distribution information in the garment model to be constructed; Constructing a corresponding electromagnetic radiation protection clothing model according to the size data of the first part to be constructed, the second part to be constructed, the arm part to be constructed, the chest circumference and the shoulder width, and according to the buttonhole distribution information and the zipper gap distribution information; Performing an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determining the electric field strength at a first position point, where the first position point is located inside the electromagnetic radiation protection clothing model; The shielding effectiveness of the electromagnetic radiation protection clothing model is determined according to the electric field strength at the first position point.
[0007] Optionally, the first part to be constructed includes a chest covering part, an abdomen covering part and a buttocks covering part respectively corresponding to the chest, abdomen and buttocks of the human body; the chest covering part, the abdomen covering part and the buttocks covering part as a whole constitute two connected elliptical cylinders; The second part to be constructed includes a shoulder covering part, a neck covering part and a rib back covering part corresponding to the shoulder, neck and rib back of the human body respectively; The size data of the first part to be constructed and the second part to be constructed are:
[0008]
[0009] in, They are the heights of the neck covering portion, the shoulder covering portion, the chest covering portion, the rib back covering portion and the abdomen covering portion relative to the hip covering portion.
[0010] Optionally, the arm portion to be constructed includes a shoulder-arm covering portion, an upper arm covering portion, an elbow covering portion, a lower arm covering portion and a wrist covering portion corresponding to the shoulder, upper arm, elbow, lower arm and wrist of the human body's arm, respectively; The shoulder and arm covering portion, the upper arm covering portion, the elbow covering portion, the lower arm covering portion and the wrist covering portion form an elliptical cylinder; The size data of the arm part to be constructed is:
[0011]
[0012]
[0013] in, They are respectively the heights of the shoulder and arm covering part, the upper arm covering part, the elbow covering part, and the lower arm covering part relative to the wrist covering part.
[0014] Optionally, determining the chest circumference and shoulder width of the clothing model to be constructed according to the adult body size data includes: Calculate the chest circumference of adults based on adult body size data; Setting the chest circumference to be equal to the chest circumference of an adult human body; The chest circumference is used as the circumference to calculate the corresponding radius, and the radius and the chest circumference are respectively substituted into the circumference formula of the ellipse as the minor semi-axis length and the circumference of the ellipse to calculate the major semi-axis length of the ellipse; Multiply the major half circumference of the ellipse by 2 to obtain the corresponding product, which is used as the shoulder width.
[0015] Optionally, the buttonhole distribution information includes the length, width, number and spacing of the buttonholes to be constructed; The zipper gap distribution information includes the length and width of the zipper gap to be constructed.
[0016] Optionally, determining the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength at the first position point includes: Constructing a human body model corresponding to the size data of the electromagnetic radiation protection clothing model; Determining a human body position corresponding to the first position point in the human body model; Performing an electromagnetic simulation experiment on the human body model and determining the electric field strength at the human body position; The electric field strength at the human body position and the electric field strength at the first position point are input into a shielding effectiveness calculation formula for calculation to obtain the shielding effectiveness of the electromagnetic radiation protection clothing model.
[0017] Optionally, the electromagnetic radiation protection clothing model includes button holes corresponding to the button hole distribution information, and includes zipper gaps corresponding to the zipper gap distribution information; After determining the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength at the first position point, the method further includes: Get hole adjustment information; According to the hole adjustment information, the button holes and / or the zipper gaps in the electromagnetic radiation protection clothing model are adjusted to obtain an adjusted clothing model; Determine a second position point located inside the adjusted garment model and corresponding to the first position point; Performing an electromagnetic simulation experiment on the adjusted clothing model, and determining the shielding effectiveness of the adjusted clothing model according to the electric field strength at the second position point in the adjusted clothing model; Comparing the shielding effectiveness of the adjusted clothing model with the shielding effectiveness of the electromagnetic radiation protection clothing model to obtain a comparison result; The influence of the hole distribution information on the shielding effectiveness is determined according to the buttonhole distribution information, the zipper gap distribution information, the hole adjustment information and the comparison result.
[0018] In a second aspect, the present invention provides a system for simulating and analyzing the shielding effectiveness of electromagnetic radiation protection clothing, comprising: A first determining unit is used to determine the chest circumference and shoulder width of the clothing model to be constructed according to the adult body size data; The second determining unit is used to determine the size data of the first part to be constructed, the second part to be constructed and the arm part to be constructed in the clothing model to be constructed according to the adult body size data; wherein the first part to be constructed is used to cover the chest, abdomen and buttocks of the human body, and the second part to be constructed is used to cover the shoulders, neck and ribs of the human body; A setting unit, used for setting button hole distribution information and zipper gap distribution information in the garment model to be constructed; A construction unit, configured to construct a corresponding electromagnetic radiation protection clothing model according to the size data of the first part to be constructed, the second part to be constructed, the arm part to be constructed, the chest circumference and the shoulder width, and according to the buttonhole distribution information and the zipper gap distribution information; An experimental unit, used to perform an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determine the electric field strength at a first position point, where the first position point is located inside the electromagnetic radiation protection clothing model; The third determining unit is used to determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength of the first position point.
[0019] In a third aspect, the present invention provides a computer-readable storage medium having computer instructions stored thereon, the computer instructions being used to enable a computer to execute the electromagnetic radiation protection clothing shielding effectiveness simulation and analysis method of the first aspect or any corresponding embodiment thereof.
[0020] In a fourth aspect, the present invention provides a computer device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory storing computer instructions, and the processor executing the electromagnetic radiation protection clothing shielding effectiveness simulation and analysis method of the first aspect or any corresponding embodiment thereof by executing the computer instructions.
[0021] The electromagnetic radiation protection clothing shielding effectiveness simulation analysis method, system, medium and equipment provided by the present invention can construct an electromagnetic radiation protection clothing model, conduct an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determine the electric field strength of the internal position points of the electromagnetic radiation protection clothing model, determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength, and then determine the shielding effectiveness of the corresponding electromagnetic radiation protection clothing, providing a reliable simulation analysis method for determining the shielding effectiveness of the electromagnetic radiation protection clothing. Compared with the related art that uses experimental testing methods to determine the shielding effectiveness, the present invention can effectively reduce the requirements for the test environment, reduce the test difficulty, and improve the test efficiency and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the present invention or related technologies, the following briefly introduces the drawings required for use in the embodiments or related technical descriptions. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 A flowchart of a method for simulating and analyzing the shielding effectiveness of electromagnetic radiation protection clothing provided by an embodiment of the present invention; Figure 2 A schematic diagram of a buttonhole equivalent to a rectangle provided in an embodiment of the present invention; Figure 3 A schematic diagram of a zipper gap equivalent to a slit provided in an embodiment of the present invention; Figure 4 A schematic diagram of parameters of a buttonhole provided by an embodiment of the present invention; Figure 5 A schematic diagram of parameters of another buttonhole provided by an embodiment of the present invention; Figure 6 A schematic diagram of parameters of another buttonhole provided by an embodiment of the present invention; Figure 7 A schematic diagram of parameters of a zipper gap provided by an embodiment of the present invention; Figure 8 A distribution trend diagram of shielding effectiveness of electromagnetic shielding clothing with different buttonhole areas provided by an embodiment of the present invention; Fig. 9 A distribution trend diagram of shielding effectiveness of electromagnetic shielding clothing with different numbers of button holes provided by an embodiment of the present invention; Fig.10 A distribution trend diagram of shielding effectiveness of electromagnetic shielding clothing with different buttonhole spacings provided by an embodiment of the present invention; Fig.11 A schematic diagram of the structure of a system for simulating and analyzing the shielding effectiveness of electromagnetic radiation protection clothing provided by an embodiment of the present invention; Fig.12 A schematic diagram of the structure of a computer device provided in an embodiment of the present invention. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0025] Combine the following Figure 1-Figure 10 The present invention describes the electromagnetic radiation protection clothing shielding effectiveness simulation analysis method.
[0026] like Figure 1 As shown, this embodiment proposes a first electromagnetic radiation protection clothing shielding effectiveness simulation analysis method, which may include the following steps: S101. Determine the chest circumference and shoulder width of the clothing model to be constructed according to the adult body size data.
[0027] The clothing model to be constructed may be an electromagnetic radiation protection clothing model to be constructed. It should be noted that the electromagnetic radiation protection clothing is an electromagnetic radiation shielding clothing.
[0028] Specifically, in this embodiment, adult body size data can be first collected based on the anthropometric data of Chinese adult body size 26-35 years old in GB10000-88, and then the chest circumference and shoulder width in the clothing model to be constructed can be determined based on the adult body size data.
[0029] Optionally, step S101 may include: Calculate the chest circumference of adults based on adult body size data; Set the chest circumference to be equal to the chest circumference of an adult human body; Take the chest circumference as the circumference to calculate the corresponding radius, substitute the radius and chest circumference as the minor semi-axis length and circumference of the ellipse into the ellipse circumference formula to calculate the major semi-axis length of the ellipse; Multiply the long half circumference of the ellipse by 2 to get the corresponding product and use it as the shoulder width.
[0030] The formula for the circumference of an ellipse is:
[0031] is the semi-major axis length, is the length of the minor semiaxis.
[0032] S102. Determine the size data of a first part to be constructed, a second part to be constructed, and an arm part to be constructed in the clothing model to be constructed according to the adult body size data; wherein the first part to be constructed is used to cover the chest, abdomen, and buttocks of the human body, and the second part to be constructed is used to cover the shoulders, neck, and ribs of the human body.
[0033] Among them, the first part to be constructed includes a chest covering part, an abdomen covering part and a buttocks covering part corresponding to the chest, abdomen and buttocks of the human body respectively; the chest covering part, the abdomen covering part and the buttocks covering part as a whole constitute two connected elliptical cylinders.
[0034] The second part to be constructed includes a shoulder covering part, a neck covering part and a rib back covering part which correspond to the shoulder, neck and rib back of the human body respectively.
[0035] The size data of the first part to be built and the second part to be built are:
[0036]
[0037] in, They are the heights of the neck covering part, shoulder covering part, chest covering part, rib back covering part and abdomen covering part relative to the hip covering part.
[0038] Specifically, the arm part to be constructed includes a shoulder-arm covering part, an upper arm covering part, an elbow covering part, a lower arm covering part, and a wrist covering part corresponding to the shoulder, upper arm, elbow, lower arm, and wrist of the human body's arm, respectively; The shoulder and arm covering portion, the upper arm covering portion, the elbow covering portion, the lower arm covering portion and the wrist covering portion constitute an elliptical cylinder.
[0039] Specifically, the size data of the arm to be constructed is:
[0040]
[0041]
[0042] in, They are the heights of the shoulder and arm covering part, the upper arm covering part, the elbow covering part, and the lower arm covering part relative to the wrist covering part.
[0043] Specifically, in this embodiment, the clothing model to be constructed can be approximated as two connected elliptical cones, covering the chest, abdomen and buttocks of the human body, and these elliptical cones are geometrically similar, and then parts for the shoulders, neck and ribs are added. The arm part of the human body can be modeled as an elliptical cone composed of the upper arm, elbow and lower arm. The characteristic parts that determine the shapes of these three parts can be correspondingly modeled as the shoulder and arm covering part, the upper arm covering part, the elbow covering part, the lower arm covering part and the wrist covering part in the clothing model to be constructed in this embodiment.
[0044] It should be noted that, in this embodiment, the size data and structural relationship of each part of the clothing model to be constructed are set so that the clothing model has information of all parts of the upper body of the human body.
[0045] S103: setting button hole distribution information and zipper gap distribution information in the garment model to be constructed.
[0046] Specifically, the buttonhole distribution information includes the length, width, number and spacing of the buttonholes to be constructed; The zipper gap distribution information includes the length and width of the zipper gap to be constructed.
[0047] Specifically, in this embodiment, a technician may construct buttonhole distribution information and zipper gap distribution information in a clothing model, and set corresponding buttonholes and zipper gaps in the clothing model.
[0048] Considering the practicality and design diversity of electromagnetic radiation protection clothing, the buttonhole can be abstractly equivalent to a rectangle, and its characteristic length and width are represented by and Indicates that Figure 2 Similarly, the pores generated in the zipper area can be abstracted as a thin slit, and its characteristic height and width are expressed as and Indicates that Figure 3 The feature extraction of buttonholes and zippers can be used to construct an electromagnetic radiation protection clothing model with holes.
[0049] S104, constructing a corresponding electromagnetic radiation protection clothing model according to the size data of the first part to be constructed, the second part to be constructed, the arm part to be constructed, the chest circumference and the shoulder width, and the button hole distribution information and the zipper gap distribution information.
[0050] Specifically, this embodiment can construct a corresponding electromagnetic radiation protection clothing model according to the size data of each part to be constructed, and the determined chest circumference and shoulder width.
[0051] It can be understood that the electromagnetic radiation protection clothing model constructed in this embodiment may include various components corresponding to the first part to be constructed, the second part to be constructed and the arm part to be constructed, and the chest circumference and shoulder width in the electromagnetic radiation protection clothing model are consistent with the chest circumference and shoulder width determined above, and the electromagnetic radiation protection clothing model also includes button holes corresponding to the above-mentioned button hole distribution information, and zipper gaps corresponding to the above-mentioned zipper gap distribution information.
[0052] S105, performing an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determining the electric field intensity at a first position point, where the first position point is located inside the electromagnetic radiation protection clothing model.
[0053] The first position point may be a position point located at a certain position inside the electromagnetic radiation protection clothing model.
[0054] Specifically, in the electromagnetic simulation experiment of this embodiment, the electromagnetic simulation software can be used to set a Gaussian pulse as the excitation source, with a frequency range from 0 MHz to 3000 MHz, to simulate the influence of buttonholes and zipper gap areas on the shielding effectiveness of the electromagnetic radiation protection clothing model in the far field.
[0055] Specifically, in the present embodiment, the finite integration method can be used in the simulation calculation, and the radiation boundary condition can be selected to simulate the free space to ensure that the electromagnetic wave will not be reflected and attenuated when it propagates to the boundary. The hexahedral grid system is used for mesh division, and the grid is encrypted at the interface between the model and the background to ensure the correct propagation of electromagnetic waves on both sides of the interface. The electric field strength at the abdomen position in the time domain is recorded by setting an electric field probe, and the shielding effectiveness is calculated.
[0056] S106. Determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength at the first position point.
[0057] Specifically, this embodiment can determine the electric field strength at the same position as the first position point in the absence of a shielding body, and determine the shielding effectiveness of the electromagnetic radiation protection clothing model based on the electric field strength at the first position point.
[0058] Optionally, the above step S106 may include: Constructing a human body model corresponding to the size data of the electromagnetic radiation protection clothing model; Determine a human body position corresponding to the first position point in the human body model; Conduct electromagnetic simulation experiments on the human body model and determine the electric field strength at the human body position; The electric field strength at the human body position and the electric field strength at the first position point are input into the shielding effectiveness calculation formula for calculation to obtain the shielding effectiveness of the electromagnetic radiation protection clothing model.
[0059] The shielding effectiveness calculation formula is:
[0060] in, and are the electric field strength at the second position and the electric field strength at the first position respectively.
[0061] In practical applications, this embodiment can record and count the changes in the time domain of the electric field strength obtained by simulation at the probe to determine the maximum and minimum values. Afterwards, this embodiment can perform a T test with the literature data, and the results obtained show that there is no significant difference between the simulation results and the measurement results in the literature, which verifies the accuracy of the simulation method. For stainless steel fiber fabrics, the simulated shielding effectiveness is between 27dB and 44dB, while for silver fiber fabrics, the shielding effectiveness is between 48dB and 62dB. These results show that the simulation analysis results of this embodiment are reliable and can be used for the simulation calculation of the shielding effectiveness of electromagnetic shielding clothing with holes and seams.
[0062] The electromagnetic radiation protection clothing shielding effectiveness simulation and analysis method proposed in this embodiment can perform electromagnetic simulation experiments on the electromagnetic radiation protection clothing model and determine the electric field strength of the internal position points of the electromagnetic radiation protection clothing model, determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength, and then determine the shielding effectiveness of the corresponding electromagnetic radiation protection clothing, providing a reliable simulation and analysis method for determining the shielding effectiveness of the electromagnetic radiation protection clothing. Compared with the related technology that uses experimental testing methods to determine the shielding effectiveness, it can effectively reduce the requirements for the test environment, reduce the difficulty of testing, and improve testing efficiency and flexibility.
[0063] In the design and production process of electromagnetic shielding clothing in related technologies, holes and gaps are inevitably present due to the wearability requirements of clothing. These openings reduce the overall shielding effectiveness of clothing to a certain extent. The shielding effectiveness test of electromagnetic shielding clothing in related technologies generally relies on experimental test methods and numerical calculation methods, but both have limitations. For example, the experimental test method has high requirements for the test environment and high costs, while the numerical calculation method has challenges in calculation accuracy and efficiency.
[0064] Among them, the experimental test method generally adopts the shielding room method. Although it is widely used, it has problems such as single test samples and the need for further verification of test results. In addition, its strict requirements on the test environment and high test costs limit its wide application in the test of electromagnetic shielding clothing shielding effectiveness. Numerical calculation methods include moment method, finite element method, etc., which are implemented through computer programming and can simulate the propagation of electromagnetic waves in shielding clothing, but rely on approximate analytical solutions or numerical solutions, which may lead to insufficient calculation accuracy when dealing with complex models. Especially when simulating the influence of holes and gaps in clothing structure on shielding effectiveness, numerical calculation methods often ignore the actual influence of these details on electromagnetic wave propagation, resulting in deviations between simulation results and actual conditions. In addition, when dealing with high-frequency electromagnetic wave problems, numerical calculation methods often face the problem of low calculation efficiency due to the huge amount of calculation, which limits its application efficiency in the actual design and evaluation of electromagnetic shielding clothing. Therefore, developing a method that can accurately simulate the shielding effectiveness of electromagnetic shielding clothing, especially when considering the influence of holes and gaps in clothing structure, is of great significance to improving the design and evaluation efficiency of electromagnetic shielding clothing.
[0065] It should be noted that the research on 3D human body modeling technology in related technologies includes wireframe modeling, solid modeling, surface modeling, physics-based modeling, and hybrid modeling. Wireframe modeling constructs the contour of a 3D object through points and lines, solid modeling adds surface and solid information, surface modeling focuses on building a surface shape model with a certain degree of smoothness, and the physics-based modeling method gives the model physical factors such as muscle elasticity, limb movements, etc. The hybrid modeling method flexibly uses the above methods to build a more perfect model. These technologies provide a variety of options for human body modeling methods and meet the needs of human body modeling to varying degrees. However, wireframe modeling and solid modeling methods are insufficient in expressing human body surface details or computational efficiency due to the oversimplification of the model information they construct or the large amount of data. Wireframe modeling only uses points and lines to construct contours and lacks a detailed description of human body surface features. Although solid modeling provides complete geometric and topological information, it has low computational efficiency due to the large amount of data. Although surface modeling is more effective in expressing the shape of the human body surface, it does not contain the internal information of the entity and cannot perform section operations, which limits its application in complex model construction. Although the physics-based modeling method simulates the physical characteristics of the human body, it requires solving a large number of differential equations, which makes the calculation process complicated and has high hardware requirements, which is not conducive to application in ordinary computing environments. Although the hybrid modeling method attempts to combine the advantages of different modeling techniques, in actual operation, it may be difficult to balance the efficiency and accuracy of model construction due to improper method selection.
[0066] This embodiment can address the shortcomings of related technologies in the simulation and analysis of the shielding effectiveness of electromagnetic shielding clothing, especially the problem of how to accurately and efficiently perform simulation analysis when considering the impact of holes and gaps in the clothing structure on the shielding effectiveness. This embodiment aims to comprehensively consider the structural characteristics of clothing, improve the accuracy and calculation efficiency of simulation, and thus provide a more effective solution for the design and evaluation of electromagnetic shielding clothing.
[0067] based on Figure 1 This embodiment proposes a second electromagnetic radiation protection clothing shielding effectiveness simulation analysis method, in which the electromagnetic radiation protection clothing model includes buttonholes corresponding to buttonhole distribution information and zipper gaps corresponding to zipper gap distribution information. After step S106, the method may further include: Get hole adjustment information; According to the hole adjustment information, the button holes and / or zipper gaps in the electromagnetic radiation protection clothing model are adjusted to obtain an adjusted clothing model; Determine a second position point located inside the adjusted garment model and corresponding to the first position point; Performing an electromagnetic simulation experiment on the adjusted clothing model, and determining the shielding effectiveness of the adjusted clothing model according to the electric field intensity at the second position point in the adjusted clothing model; The shielding effectiveness of the adjusted clothing model is compared with the shielding effectiveness of the electromagnetic radiation protection clothing model to obtain a comparison result; According to the buttonhole distribution information, zipper gap distribution information, hole adjustment information and comparison results, the influence of the hole distribution information on the shielding effectiveness is determined.
[0068] It should be noted that the setting of button holes and zipper gaps in the electromagnetic radiation protection clothing model can be used to analyze the influence of holes and gaps in the electromagnetic radiation protection clothing model on the electromagnetic shielding effectiveness. This embodiment can conduct a detailed analysis of the common hole and seam features in electromagnetic radiation protection clothing, and identify that button holes and zippers are key factors affecting the shielding effectiveness.
[0069] This embodiment can establish an electromagnetic radiation protection clothing model of the upper body of the human body, use software to build it, and then import it into the electromagnetic simulation software for simulation experiments. This embodiment can simulate the openings and seams in the clothing structure by setting different hole characteristics, including the size, number, spacing and width of the gap. By changing these hole parameters, the shielding effectiveness of electromagnetic shielding clothing under different conditions is calculated, so as to analyze the influence of holes on shielding effectiveness. This embodiment can not only improve the accuracy of simulation, but also flexibly evaluate the influence of different clothing structure designs on shielding effectiveness.
[0070] In addition, this embodiment can also simulate and calculate the electric field strength at different locations (chest, abdomen and pubic area) inside the electromagnetic shielding clothing to evaluate the impact of holes and gaps on the electromagnetic field distribution inside the clothing, so that designers can optimize the clothing structure and reduce the negative impact of holes and gaps on the electromagnetic shielding effectiveness, thereby improving the overall performance of the electromagnetic shielding clothing.
[0071] Specifically, in this embodiment, different electromagnetic radiation protection clothing models can be constructed by changing the length, width, number, spacing of button holes and the width of zipper gaps. Figure 4 As shown, this embodiment can define six buttonholes of different sizes. Figure 4 In and In addition, we can also consider the number and spacing of button holes, such as Figure 5 As shown, this embodiment can construct an electromagnetic radiation protection clothing model when the area of the button holes is constant but the number of button holes is different, such as Figure 6 As shown, this embodiment can also establish an electromagnetic radiation protection clothing model when the size and number of button holes are constant and the spacing is different. Figure 7 As shown, this embodiment can establish an electromagnetic radiation protection clothing model when the length of the zipper gap is constant and the width is different. Figure 7 In is the width.
[0072] In the analysis of the clothing electromagnetic simulation experiment results in this embodiment, Figure 4 Different sizes shown (1#-6#), Figure 5 Different numbers shown (7#-11#), Figure 6 Button holes with different spacing (12#-16#) as shown Figure 7 The zipper gaps of different widths (17#-21#) are simulated. The simulation can maintain the same parameter settings and simulation methods as the clothing simulation experiment verification analysis, and only the opening and sewing operations are performed on the electromagnetic radiation protection clothing model. In this embodiment, probes can be set on the chest, abdomen, and perineum of the electromagnetic radiation protection clothing model to calculate the electric field strength at different positions, and further analyze the influence of the size, number, spacing, and gap width of the buttonholes on the shielding effectiveness of the electromagnetic shielding clothing.
[0073] The experimental results conducted by the inventors of the present invention show that the area, number, spacing and gap width of the holes have a significant impact on the shielding effectiveness of electromagnetic shielding clothing. Figure 8 The results show that as the buttonhole area increases, the shielding effectiveness decreases overall, but when the hole area is within 15mm², the shielding effectiveness remains at a high level, and the overall shielding effectiveness of the perineum is better.
[0074] The increase in the number of buttonholes leads to a significant decrease in shielding effectiveness, such as Fig. 9 As shown, especially when the number of holes exceeds 4. The change in hole spacing also has a significant impact on shielding effectiveness, such as Fig.10 As shown in the figure, when the spacing exceeds 20mm, the shielding effectiveness decreases, but when the spacing increases further, the shielding effectiveness tends to be stable. For the gap width, when the width is within 1mm, it has little effect on the shielding effectiveness, but when the width increases to 1.5mm to 2mm, the shielding effectiveness decreases significantly, and when the width exceeds 2mm, the shielding effectiveness further decreases significantly. These results provide important guidance for the design of electromagnetic shielding clothing, indicating that the area of holes and gaps should be minimized, the hole spacing should be controlled, and the gap width should be kept within 1mm to achieve the best shielding effect.
[0075] This embodiment can provide a reliable way to simulate and analyze the shielding effectiveness of electromagnetic shielding clothing by using electromagnetic simulation software and modeling technology. It can solve problems in related technologies, such as the high cost of experimental testing methods and the calculation accuracy of numerical calculation methods, reduce dependence on the actual test environment, reduce costs, and improve calculation accuracy and efficiency. By simulating the impact of different holes and gaps on electromagnetic shielding effectiveness, this embodiment can provide a basis for designing more efficient and practical electromagnetic shielding clothing, enhance the shielding effectiveness of clothing and protect human health from the effects of electromagnetic radiation. Through simulation experiments, this embodiment can accurately predict the impact of different clothing structures on electromagnetic shielding effectiveness, provide an important reference for optimizing clothing design, and improve the performance of electromagnetic shielding clothing.
[0076] like Fig.11 As shown, this embodiment provides a shielding effectiveness simulation analysis system for electromagnetic radiation protection clothing, which may include: The first determining unit 101 is used to determine the chest circumference and shoulder width of the clothing model to be constructed according to the adult body size data; The second determining unit 102 is used to determine the size data of the first part to be constructed, the second part to be constructed and the arm part to be constructed in the clothing model to be constructed according to the adult body size data; wherein the first part to be constructed is used to cover the chest, abdomen and buttocks of the human body, and the second part to be constructed is used to cover the shoulders, neck and ribs of the human body; A setting unit 103, used to set button hole distribution information and zipper gap distribution information in the garment model to be constructed; A construction unit 104 is used to construct a corresponding electromagnetic radiation protection clothing model according to the size data of the first part to be constructed, the second part to be constructed, the arm part to be constructed, the chest circumference and the shoulder width, and the button hole distribution information and the zipper gap distribution information; The experimental unit 105 is used to perform an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determine the electric field strength at a first position point, where the first position point is located inside the electromagnetic radiation protection clothing model; The third determining unit 106 is used to determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength at the first position point.
[0077] It should be noted that the processing processes of the first determining unit 101, the second determining unit 102, the setting unit 103, the constructing unit 104, the experiment unit 105 and the third determining unit 106 and the beneficial effects thereof can be respectively referred to in Figure 1 Steps S101 to S106 in the above are not described in detail.
[0078] Optionally, the first part to be constructed includes a chest covering part, an abdomen covering part and a buttocks covering part respectively corresponding to the chest, abdomen and buttocks of a human body; the chest covering part, the abdomen covering part and the buttocks covering part as a whole constitute two connected elliptical cylinders; The second part to be constructed includes a shoulder covering part, a neck covering part and a rib back covering part corresponding to the shoulder, neck and rib back of the human body respectively; The size data of the first part to be built and the second part to be built are:
[0079]
[0080] in, They are the heights of the neck covering part, shoulder covering part, chest covering part, rib back covering part and abdomen covering part relative to the hip covering part.
[0081] Optionally, the arm part to be constructed includes a shoulder-arm covering part, an upper arm covering part, an elbow covering part, a lower arm covering part and a wrist covering part corresponding to the shoulder, upper arm, elbow, lower arm and wrist of the human body's arm respectively; The shoulder and arm covering part, the upper arm covering part, the elbow covering part, the lower arm covering part and the wrist covering part form an elliptical cylinder; The size data of the arm to be constructed is:
[0082]
[0083]
[0084] in, They are the heights of the shoulder and arm covering part, the upper arm covering part, the elbow covering part, and the lower arm covering part relative to the wrist covering part.
[0085] Optionally, the first determining unit 101 is further configured to: Calculate the chest circumference of adults based on adult body size data; Set the chest circumference to be equal to the chest circumference of an adult human body; Take the chest circumference as the circumference to calculate the corresponding radius, substitute the radius and chest circumference as the minor semi-axis length and circumference of the ellipse into the ellipse circumference formula to calculate the major semi-axis length of the ellipse; Multiply the long half circumference of the ellipse by 2 to get the corresponding product and use it as the shoulder width.
[0086] Optionally, the buttonhole distribution information includes the length, width, number and spacing of the buttonholes to be constructed; The zipper gap distribution information includes the length and width of the zipper gap to be constructed.
[0087] Optionally, the third determining unit 106 is further configured to: Constructing a human body model corresponding to the size data of the electromagnetic radiation protection clothing model; Determine a human body position corresponding to the first position point in the human body model; Conduct electromagnetic simulation experiments on the human body model and determine the electric field strength at the human body position; The electric field strength at the human body position and the electric field strength at the first position point are input into the shielding effectiveness calculation formula for calculation to obtain the shielding effectiveness of the electromagnetic radiation protection clothing model.
[0088] Optionally, the electromagnetic radiation protection clothing model includes button holes corresponding to the button hole distribution information, and zipper gaps corresponding to the zipper gap distribution information; The fourth determining unit is configured to: After determining the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength at the first position point, obtaining hole adjustment information; According to the hole adjustment information, the button holes and / or zipper gaps in the electromagnetic radiation protection clothing model are adjusted to obtain an adjusted clothing model; Determine a second position point located inside the adjusted garment model and corresponding to the first position point; Performing an electromagnetic simulation experiment on the adjusted clothing model, and determining the shielding effectiveness of the adjusted clothing model according to the electric field intensity at the second position point in the adjusted clothing model; The shielding effectiveness of the adjusted clothing model is compared with the shielding effectiveness of the electromagnetic radiation protection clothing model to obtain a comparison result; According to the buttonhole distribution information, zipper gap distribution information, hole adjustment information and comparison results, the influence of the hole distribution information on the shielding effectiveness is determined.
[0089] The electromagnetic radiation protection clothing shielding effectiveness simulation and analysis system proposed in this embodiment can construct an electromagnetic radiation protection clothing model, perform electromagnetic simulation experiments on the electromagnetic radiation protection clothing model and determine the electric field strength of the internal position points of the electromagnetic radiation protection clothing model, determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength, and then determine the shielding effectiveness of the corresponding electromagnetic radiation protection clothing, providing a reliable simulation and analysis method for determining the shielding effectiveness of the electromagnetic radiation protection clothing. Compared with the related technology that uses experimental testing methods to determine the shielding effectiveness, it can effectively reduce the requirements for the test environment, reduce the difficulty of testing, and improve testing efficiency and flexibility.
[0090] The electromagnetic radiation protection clothing shielding effectiveness simulation and analysis system in this embodiment is presented in the form of a functional unit, where the unit refers to an ASIC (Application Specific Integrated Circuit) circuit, a processor and memory that executes one or more software or fixed programs, and / or other devices that can provide the above functions.
[0091] The embodiment of the present invention also provides a computer device having the above Fig.11 The electromagnetic radiation protection clothing shielding effectiveness simulation analysis system shown.
[0092] See also Fig.12 , a schematic diagram of the structure of a computer device provided by an optional embodiment of the present invention, the computer device includes: one or more processors 10, a memory 20, and interfaces for connecting various components, including high-speed interfaces and low-speed interfaces. The various components are connected to each other using different buses for communication, and can be installed on a common motherboard or installed in other ways as needed. The processor can process instructions executed in the computer device, including instructions stored in or on the memory to display graphical information of the GUI on an external input / output device (such as a display device coupled to the interface). In some optional embodiments, if necessary, multiple processors and / or multiple buses can be used together with multiple memories and multiple memories. Similarly, multiple computer devices can be connected, and each device provides part of the necessary operations (for example, as a server array, a group of blade servers, or a multi-processor system). Fig.12 A processor 10 is taken as an example.
[0093] The processor 10 may be a central processing unit, a network processor or a combination thereof. The processor 10 may further include a hardware chip. The hardware chip may be a dedicated integrated circuit, a programmable logic device or a combination thereof. The programmable logic device may be a complex programmable logic device, a field programmable gate array, a general purpose array logic or any combination thereof.
[0094] The memory 20 stores instructions executable by at least one processor 10, so that at least one processor 10 executes the method shown in the above embodiment.
[0095] The memory 20 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application required for at least one function. The data storage area may store data created according to the use of the computer device, etc. In addition, the memory 20 may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage devices. In some optional embodiments, the memory 20 may optionally include a memory remotely arranged relative to the processor 10, and these remote memories may be connected to the computer device via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
[0096] The memory 20 may include a volatile memory, such as a random access memory. The memory may also include a non-volatile memory, such as a flash memory, a hard disk or a solid state drive. The memory 20 may also include a combination of the above-mentioned types of memory.
[0097] The computer device further comprises a communication interface 30 for the computer device to communicate with other devices or a communication network.
[0098] The embodiment of the present invention also provides a computer-readable storage medium. The method according to the embodiment of the present invention can be implemented in hardware, firmware, or can be implemented as a computer code that can be recorded in a storage medium, or can be implemented as a computer code that is originally stored in a remote storage medium or a non-temporary machine-readable storage medium and will be stored in a local storage medium through a network download, so that the method described herein can be stored in such software processing on a storage medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware. Among them, the storage medium can be a magnetic disk, an optical disk, a read-only storage memory, a random access memory, a flash memory, a hard disk or a solid-state hard disk, etc.; further, the storage medium can also include a combination of the above types of memories. It can be understood that a computer, a processor, a microprocessor controller, or programmable hardware includes a storage component that can store or receive software or computer code. When the software or computer code is accessed and executed by a computer, a processor, or hardware, the method shown in the above embodiment is implemented.
[0099] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A method for simulating and analyzing the shielding effectiveness of electromagnetic radiation protection clothing, characterized in that: include: According to the adult body size data, the chest circumference and shoulder width of the clothing model to be constructed are determined, and the size data of the first part to be constructed, the second part to be constructed and the arm part to be constructed of the clothing model to be constructed are determined; wherein the first part to be constructed is used to cover the chest, abdomen and buttocks of the human body, and the second part to be constructed is used to cover the shoulders, neck and ribs of the human body; Setting buttonhole distribution information and zipper gap distribution information in the garment model to be constructed; Constructing a corresponding electromagnetic radiation protection clothing model according to the size data of the first part to be constructed, the second part to be constructed, the arm part to be constructed, the chest circumference and the shoulder width, and according to the buttonhole distribution information and the zipper gap distribution information; Performing an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determining the electric field strength at a first position point, where the first position point is located inside the electromagnetic radiation protection clothing model; The shielding effectiveness of the electromagnetic radiation protection clothing model is determined according to the electric field strength at the first position point.
2. The method according to claim 1, characterized in that The first part to be constructed includes a chest covering part, an abdomen covering part and a buttocks covering part corresponding to the chest, abdomen and buttocks of the human body respectively; the chest covering part, the abdomen covering part and the buttocks covering part as a whole constitute two connected elliptical cylinders; The second part to be constructed includes a shoulder covering part, a neck covering part and a rib back covering part corresponding to the shoulder, neck and rib back of the human body respectively; The size data of the first part to be constructed and the second part to be constructed are: in, They are the heights of the neck covering portion, the shoulder covering portion, the chest covering portion, the rib back covering portion and the abdomen covering portion relative to the hip covering portion.
3. The method according to claim 1, characterized in that The arm part to be constructed includes a shoulder-arm covering part, an upper arm covering part, an elbow covering part, a lower arm covering part and a wrist covering part corresponding to the shoulder, upper arm, elbow, lower arm and wrist of the human body's arm respectively; The shoulder and arm covering portion, the upper arm covering portion, the elbow covering portion, the lower arm covering portion and the wrist covering portion form an elliptical cylinder; The size data of the arm part to be constructed is: in, They are respectively the heights of the shoulder and arm covering part, the upper arm covering part, the elbow covering part, and the lower arm covering part relative to the wrist covering part.
4. The method according to claim 1, characterized in that The step of determining the chest circumference and shoulder width of the clothing model to be constructed according to the adult body size data comprises: Calculate the chest circumference of adults based on adult body size data; Setting the chest circumference to be equal to the chest circumference of an adult human body; The chest circumference is used as the circumference to calculate the corresponding radius, and the radius and the chest circumference are respectively substituted into the circumference formula of the ellipse as the minor semi-axis length and the circumference of the ellipse to calculate the major semi-axis length of the ellipse; Multiply the major half circumference of the ellipse by 2 to obtain the corresponding product, which is used as the shoulder width.
5. The method according to claim 1, characterized in that The buttonhole distribution information includes the length, width, number and spacing of the buttonholes to be constructed; The zipper gap distribution information includes the length and width of the zipper gap to be constructed.
6. The method according to claim 1, characterized in that The step of determining the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength of the first position point comprises: Constructing a human body model corresponding to the size data of the electromagnetic radiation protection clothing model; Determining a human body position corresponding to the first position point in the human body model; Performing an electromagnetic simulation experiment on the human body model and determining the electric field strength at the human body position; The electric field strength at the human body position and the electric field strength at the first position point are input into a shielding effectiveness calculation formula for calculation to obtain the shielding effectiveness of the electromagnetic radiation protection clothing model.
7. The method according to claim 1, characterized in that The electromagnetic radiation protection clothing model includes button holes corresponding to the button hole distribution information, and zipper gaps corresponding to the zipper gap distribution information; After determining the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength at the first position point, the method further includes: Get hole adjustment information; According to the hole adjustment information, the button holes and / or the zipper gaps in the electromagnetic radiation protection clothing model are adjusted to obtain an adjusted clothing model; Determine a second position point located inside the adjusted garment model and corresponding to the first position point; Performing an electromagnetic simulation experiment on the adjusted clothing model, and determining the shielding effectiveness of the adjusted clothing model according to the electric field strength at the second position point in the adjusted clothing model; Comparing the shielding effectiveness of the adjusted clothing model with the shielding effectiveness of the electromagnetic radiation protection clothing model to obtain a comparison result; The influence of the hole distribution information on the shielding effectiveness is determined according to the buttonhole distribution information, the zipper gap distribution information, the hole adjustment information and the comparison result.
8. A simulation and analysis system for electromagnetic radiation protection clothing shielding effectiveness, characterized in that: include: A first determining unit is used to determine the chest circumference and shoulder width of the clothing model to be constructed according to the adult body size data; The second determining unit is used to determine the size data of the first part to be constructed, the second part to be constructed and the arm part to be constructed in the clothing model to be constructed according to the adult body size data; wherein the first part to be constructed is used to cover the chest, abdomen and buttocks of the human body, and the second part to be constructed is used to cover the shoulders, neck and ribs of the human body; A setting unit, used for setting button hole distribution information and zipper gap distribution information in the garment model to be constructed; A construction unit, configured to construct a corresponding electromagnetic radiation protection clothing model according to the size data of the first part to be constructed, the second part to be constructed, the arm part to be constructed, the chest circumference and the shoulder width, and according to the buttonhole distribution information and the zipper gap distribution information; An experimental unit, used to perform an electromagnetic simulation experiment on the electromagnetic radiation protection clothing model and determine the electric field strength at a first position point, where the first position point is located inside the electromagnetic radiation protection clothing model; The third determining unit is used to determine the shielding effectiveness of the electromagnetic radiation protection clothing model according to the electric field strength of the first position point.
9. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a computer to execute the electromagnetic radiation protection clothing shielding effectiveness simulation analysis method according to any one of claims 1 to 7.
10. A computer device, characterized in that: include: A memory and a processor, wherein the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the electromagnetic radiation protection clothing shielding effectiveness simulation analysis method according to any one of claims 1 to 7 by executing the computer instructions.