Base design method and system of transformer inductor

Abstract

The invention relates to the field of electromagnetism, and discloses a transformer inductor base design method and system, and the method comprises the steps: analyzing the structural parameters of a transformer inductor, constructing a three-dimensional model of a transformer inductor element, constructing a three-dimensional model of an initial base of the transformer inductor, and constructing a three-dimensional model of the initial base of the transformer inductor; calculating a matching coefficient of the element three-dimensional model and the initial base three-dimensional model; performing simulation test on the component three-dimensional model and the base three-dimensional model; calculating the electromagnetic intensity of the element three-dimensional model, calculating the short-circuit reactance and the short-circuit impedance of the element three-dimensional model, calculating the leakage flux of the element three-dimensional model in the air, calculating the leakage flux intensity of the element three-dimensional model, and constructing an electromagnetic shielding device of the base three-dimensional model; analyzing working heat energy and a heat conduction path of the component three-dimensional model, and constructing a heat dissipation device of the base three-dimensional model; and establishing a balance network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device, integrating the electromagnetic shielding device and the heat dissipation device into the three-dimensional model of the base, and constructing the base of the transformer inductor. According to the transformer inductor base, the heat dissipation and electromagnetic shielding effects of the transformer inductor base can be improved.

Description

Technical Field

[0001] The invention relates to the field of electromagnetism, and in particular to a base design method and system for a transformer inductor. Background Art

[0002] The base of a transformer inductor refers to a component used to install and fix the transformer inductor and provide necessary electrical connections and heat dissipation. It plays a role in fixing, dissipating heat and protecting the transformer inductor. The design of the base of the transformer inductor directly affects the performance, reliability and life of the inductor.

[0003] At present, the base of the transformer inductor only adopts heat dissipation methods such as installing heat sinks and heat dissipation holes. This method can only play a simple autonomous heat dissipation role during the operation of the transformer inductor, and cannot achieve self-regulation of heat dissipation. It will cause the transformer inductor to be unable to achieve effective heat dissipation when the operating temperature is too high, thereby affecting the performance and life of the transformer inductor. Summary of the invention

[0004] The present invention provides a transformer inductor base design method and system, the main purpose of which is to improve the heat dissipation and electromagnetic shielding effects of the transformer inductor base.

[0005] To achieve the above object, the present invention provides a method for designing a base of a transformer inductor, comprising:

[0006] Obtaining a transformer inductor, analyzing structural parameters of the transformer inductor, constructing a three-dimensional component model of the transformer inductor based on the structural parameters, constructing an initial three-dimensional base model of the transformer inductor based on the three-dimensional component model, calculating a matching coefficient between the three-dimensional component model and the initial three-dimensional base model, and when the matching coefficient reaches a preset matching threshold, using the initial three-dimensional base model as the three-dimensional base model of the transformer inductor;

[0007] Acquire an application scenario of the transformer inductor, and based on the application scenario, perform simulation tests on the three-dimensional model of the component and the three-dimensional model of the base to obtain test results of the simulation tests, wherein the test results include: electromagnetic analysis results and thermal analysis results;

[0008] Based on the electromagnetic analysis result, the electromagnetic strength of the three-dimensional model of the component is calculated, and the strength influencing factors of the electromagnetic strength are identified; based on the strength influencing factors, the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component are calculated; based on the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated; based on the leakage magnetic flux, the leakage magnetic strength of the three-dimensional model of the component is calculated; based on the leakage magnetic strength, an electromagnetic shielding device of the three-dimensional model of the base is constructed;

[0009] Based on the thermal analysis results, analyzing the working heat energy and the heat conduction path of the three-dimensional model of the component, and constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path;

[0010] A balancing network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device is established. Based on the balancing network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

[0011] Optionally, the calculating a matching coefficient between the component three-dimensional model and the initial base three-dimensional model includes:

[0012] Measuring the dimensions of the component engaging device and the dimensions of the base engaging device corresponding to the component three-dimensional model and the initial base three-dimensional model;

[0013] Analyze the total weight of the component and the base bearing value corresponding to the component three-dimensional model and the initial base three-dimensional model;

[0014] Identifying factors affecting the fit between the component three-dimensional model and the initial base three-dimensional model;

[0015] quantifying the fit impact factor to obtain a fit impact value;

[0016] Analyze the impact weights of the matching impact factors;

[0017] Based on the matching influence value and the influence weight, the matching coefficient between the component three-dimensional model and the initial base three-dimensional model is calculated using the following formula:

[0018]

[0019] Among them, ρ represents the matching coefficient, X Y Indicates the size of the component connection device corresponding to the component 3D model, X D Indicates the size of the base connection device corresponding to the initial base 3D model, Z Y Indicates the total weight of the component corresponding to the component 3D model, Z D represents the bearing value of the initial base 3D model, i represents the i-th influencing factor, m represents the total number of influencing factors, ω i represents the influence weight of the i-th influencing factor, Q i Represents the fitting impact value of the i-th impact factor.

[0020] Optionally, based on the application scenario, performing simulation test on the component three-dimensional model and the base three-dimensional model to obtain test results of the simulation test includes:

[0021] Based on the application scenario, construct a test environment for the component three-dimensional model and the base three-dimensional model;

[0022] According to the test environment, setting simulation parameters of the component three-dimensional model and the base three-dimensional model;

[0023] Constructing a virtual prototype test experiment of the component three-dimensional model and the base three-dimensional model through the simulation parameters;

[0024] Analyzing static data and dynamic data of the component three-dimensional model and the base three-dimensional model according to the virtual prototype test experiment;

[0025] Based on the static data and the dynamic data, the test results of the component three-dimensional model and the base three-dimensional model are analyzed.

[0026] Optionally, the calculating the electromagnetic intensity of the three-dimensional model of the component based on the electromagnetic analysis result includes:

[0027] Based on the electromagnetic analysis result, analyzing the electromagnetic spatial distribution of the three-dimensional model of the component;

[0028] Dividing the electromagnetic space distribution to obtain integral points of the electromagnetic space distribution;

[0029] Identifying a position vector, an integration point volume, and an integration point weight of the integration point;

[0030] Extracting the electric field intensity and the magnetic field intensity of the integration point through the electromagnetic analysis result;

[0031] The electromagnetic intensity of the three-dimensional model of the component is calculated using the following formula according to the position vector, the integration point volume, the integration point weight, the electric field intensity and the magnetic field intensity:

[0032]

[0033] Among them, S D represents the electromagnetic intensity, t represents the tth integration point, n represents the total number of integration points, ω t represents the integration point weight of the tth integration point, a t represents the integral position vector of the tth integral point, E(a t represents the electric field strength of the position vector corresponding to the tth integral point, H(a t ) represents the magnetic field intensity of the position vector corresponding to the tth integral point, ΔV t represents the volume of the tth integration point.

[0034] Optionally, the calculating the short-circuit reactance and the short-circuit impedance of the three-dimensional model of the component based on the strength influence factor includes:

[0035] Based on the strength influencing factor, extracting the magnetic potential, the number of coil turns and the coil height of the three-dimensional model of the component;

[0036] Calculating the reactance coefficient and the electromagnetic field equivalent area of ​​the three-dimensional model of the component according to the electromagnetic analysis results corresponding to the three-dimensional model of the component;

[0037] The short-circuit reactance of the three-dimensional model of the element is calculated using the following formula through the magnetic potential, the number of coil turns, the coil height, the reactance coefficient, and the electromagnetic field equivalent area:

[0038]

[0039] Among them, D K represents short-circuit reactance, π represents pi, F represents magnetic potential, K represents reactance coefficient, N represents the number of coil turns, vS represents the equivalent area of ​​electromagnetic field, and H represents the height of the coil;

[0040] Based on the intensity influencing factor, extracting the operating current, operating voltage and operating temperature of the three-dimensional model of the component;

[0041] Calculating the winding resistance of the three-dimensional model of the component according to the operating temperature;

[0042] According to the short-circuit reactance, the operating current, the operating voltage and the operating temperature, the short-circuit impedance of the three-dimensional model of the component is calculated using the following formula:

[0043]

[0044] Among them, Z K Indicates short-circuit impedance, D K represents short-circuit reactance, I represents operating current, U represents operating voltage, R P Indicates the winding resistance at operating temperature.

[0045] Optionally, the calculating the leakage magnetic flux of the three-dimensional model of the element in the air based on the short-circuit impedance and the short-circuit reactance includes:

[0046] Determine the rated power per column, ampere-turns per column, total ampere-turns, actual working load and rated load of the three-dimensional model of the component according to the electromagnetic analysis results corresponding to the three-dimensional model of the component;

[0047] Calculating the ampere-turn distribution coefficient of the three-dimensional model of the component by using the ampere-turns per column and the total ampere-turns;

[0048] Calculating a load factor of the three-dimensional model of the component based on the actual working load and the rated load;

[0049] According to the rated power per column, the ampere-turn distribution coefficient, the load factor, the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated using the following formula:

[0050]

[0051] in, represents leakage flux, α represents ampere-turn distribution coefficient, β represents load factor, D K Represents short-circuit reactance, Z K Represents short-circuit impedance, M G Indicates the rated power per column.

[0052] Optionally, the electromagnetic shielding device for constructing the three-dimensional model of the base based on the magnetic flux leakage intensity includes:

[0053] Based on the majority of the leakage magnetic flux intensities, analyzing the leakage magnetic flux propagation path of the three-dimensional model of the component corresponding to the three-dimensional model of the base;

[0054] Constructing a multilayer structure of the three-dimensional model of the base, wherein the multilayer structure comprises: an absorption layer, a conversion layer and a release layer;

[0055] Determining the material composition, thickness of each layer, area of ​​each layer and structural layout of the multilayer structure according to the leakage magnetic flux intensity and the leakage magnetic flux propagation path;

[0056] Constructing the electromagnetic shielding control system of the multi-layer structure, and configuring the electromagnetic control device of the three-dimensional model of the base based on the electromagnetic shielding control system;

[0057] Based on the electromagnetic control equipment, the electromagnetic shielding control system and the multi-layer structure, an electromagnetic shielding device of the three-dimensional model of the base is constructed.

[0058] Optionally, analyzing the working heat energy and heat conduction path of the three-dimensional model of the component based on the thermal analysis result includes:

[0059] Based on the thermal analysis results, extracting the core coercive force, core volume and core relative permeability of the three-dimensional model of the component;

[0060] Determining the eddy current loss coefficient and the hysteresis loss coefficient of the three-dimensional model of the component through the thermal analysis results;

[0061] According to the eddy current loss coefficient, the hysteresis loss coefficient, the core coercive force, the core volume and the core relative magnetic permeability, the working heat energy of the component three-dimensional model is calculated using the following formula, wherein the working heat energy includes: resistance loss heat energy, eddy current loss heat energy and hysteresis loss heat energy:

[0062]

[0063] Where P represents working heat energy, P d Represents the heat energy lost by resistance, P w Indicates the eddy current loss heat energy, P c represents the hysteresis loss heat energy, I represents the working current, R d represents the total resistance of the three-dimensional model of the component, γ w represents the eddy current loss coefficient, γ c represents the hysteresis loss coefficient, θ represents the magnetic permeability in vacuum, and θ f represents the relative magnetic permeability of the core, B represents the magnetic induction intensity, V f represents the core volume, X represents the frequency of the alternating magnetic field, T c It represents the coercive force of the core;

[0064] Based on the thermal analysis results, analyzing the temperature distribution, heat flux density and thermal resistance of the three-dimensional model of the component;

[0065] A heat conduction path of the three-dimensional model is determined based on the temperature distribution, the heat flux density, and the thermal resistance.

[0066] Optionally, establishing a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device includes:

[0067] Analyzing the current distribution and voltage distribution of the transformer inductor and constructing an electrical balance network of the transformer inductor;

[0068] Analyzing the leakage magnetic field distribution of the transformer inductor and the electromagnetic shielding control method of the electromagnetic shielding device, and constructing an electromagnetic balance network of the electromagnetic shielding device based on the leakage magnetic field distribution and the electromagnetic shielding control method;

[0069] Analyzing a heat dissipation path and a heat dissipation control method of the heat dissipation device, and constructing a heat dissipation balancing network of the heat dissipation device based on the heat dissipation path and the heat dissipation control method;

[0070] The electrical balance network, the electromagnetic balance network and the heat dissipation balance network are integrated into a preset network architecture to obtain a balance network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device.

[0071] In order to solve the above problems, the present invention also provides a base design system for a transformer inductor, the system comprising:

[0072] Obtaining a transformer inductor, analyzing structural parameters of the transformer inductor, constructing a three-dimensional component model of the transformer inductor based on the structural parameters, constructing an initial three-dimensional base model of the transformer inductor based on the three-dimensional component model, calculating a matching coefficient between the three-dimensional component model and the initial three-dimensional base model, and when the matching coefficient reaches a preset matching threshold, using the initial three-dimensional base model as the three-dimensional base model of the transformer inductor;

[0073] Acquire an application scenario of the transformer inductor, and based on the application scenario, perform simulation tests on the three-dimensional model of the component and the three-dimensional model of the base to obtain test results of the simulation tests, wherein the test results include: electromagnetic analysis results and thermal analysis results;

[0074] Based on the electromagnetic analysis result, the electromagnetic strength of the three-dimensional model of the component is calculated, and the strength influencing factors of the electromagnetic strength are identified; based on the strength influencing factors, the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component are calculated; based on the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated; based on the leakage magnetic flux, the leakage magnetic strength of the three-dimensional model of the component is calculated; based on the leakage magnetic strength, an electromagnetic shielding device of the three-dimensional model of the base is constructed;

[0075] Based on the thermal analysis results, analyzing the working heat energy and the heat conduction path of the three-dimensional model of the component, and constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path;

[0076] A balancing network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device is established. Based on the balancing network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

[0077] The embodiment of the present invention can accurately determine the degree of fit between the component three-dimensional model and the initial base three-dimensional model by calculating the matching coefficient between the component three-dimensional model and the initial base three-dimensional model; optionally, the embodiment of the present invention performs simulation tests on the component three-dimensional model and the base three-dimensional model based on the application scenario, and the test results of the simulation test can ensure that the product can work stably and reliably in the application scenario while meeting specific performance and reliability requirements; the embodiment of the present invention calculates the leakage magnetic flux of the component three-dimensional model in the air based on the short-circuit impedance and the short-circuit reactance, which can help evaluate the electromagnetic leakage of the transformer inductor and provide a data basis for designing the transformer inductor base to reduce the impact of leakage magnetic flux on the surrounding environment. ; The embodiment of the present invention can prevent the transformer inductor from being damaged due to overheating by constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path, thereby extending the operating life of the entire device. The embodiment of the present invention can achieve the coordinated design of the transformer inductor, the electromagnetic shielding device and the heat dissipation device by establishing a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device, thereby improving the performance, electromagnetic compatibility and heat dissipation efficiency of the product, reducing the production cost and improving the production efficiency. Finally, the embodiment of the present invention integrates the electromagnetic shielding device and the heat dissipation device into the three-dimensional model of the base based on the balanced network to obtain the target three-dimensional model of the base, thereby optimizing the three-dimensional base model and improving the overall performance of the three-dimensional model of the base. Therefore, the present invention can improve the heat dissipation and electromagnetic shielding effects of the transformer inductor base. BRIEF DESCRIPTION OF THE DRAWINGS

[0078] Figure 1 A schematic diagram of a flow chart of a method for designing a base of a transformer inductor provided in one embodiment of the present invention;

[0079] Figure 2 A functional module diagram of a base design system for a transformer inductor provided in one embodiment of the present invention;

[0080] Figure 3 A schematic structural diagram of an electronic device of a transformer inductor base design system provided in an embodiment of the present invention.

[0081] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0082] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0083] The embodiment of the present application provides a base design method for a transformer inductor. The execution subject of the base design method of the transformer inductor includes but is not limited to at least one of the electronic devices such as a server, a terminal, etc. that can be configured to execute the method provided by the embodiment of the present application. In other words, the base design method of the transformer inductor can be executed by software or hardware installed on a terminal device or a server device, and the software can be a blockchain platform. The server includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, etc. The server can be an independent server, or it can be a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, content delivery networks (Content Delivery Network, CDN), and big data and artificial intelligence platforms.

[0084] Reference Figure 1 FIG. 1 is a flow chart of a method for designing a base of a transformer inductor according to an embodiment of the present invention. In this embodiment, the method for designing a base of a transformer inductor includes:

[0085] S1, obtaining a transformer inductor, analyzing the structural parameters of the transformer inductor, constructing a component three-dimensional model of the transformer inductor based on the structural parameters, constructing an initial base three-dimensional model of the transformer inductor based on the component three-dimensional model, calculating a matching coefficient between the component three-dimensional model and the initial base three-dimensional model, and when the matching coefficient reaches a preset matching threshold, using the initial base three-dimensional model as the base three-dimensional model of the transformer inductor;

[0086] The embodiment of the present invention can provide a reference sample for designing a transformer inductor by obtaining a transformer inductor, wherein the transformer inductor refers to an electronic component that combines the voltage conversion function of a transformer and the energy storage and filtering function of an inductor.

[0087] The embodiment of the present invention can provide a data basis for subsequent three-dimensional modeling by analyzing the structural parameters of the transformer inductor. The structural parameters refer to parameters including but not limited to its external dimensions (such as height, diameter), pin layout, weight, material properties, magnetic core, number of coil turns, fixing method, etc.

[0088] Optionally, as an embodiment of the present invention, the analysis of the structural parameters of the transformer inductor may be performed by a physical measurement method, where the physical measurement method refers to a technique and procedure for determining a numerical value of a physical quantity, such as measuring the coil height with a ruler.

[0089] Furthermore, the embodiment of the present invention can find potential problems in the modeling stage by constructing the component three-dimensional model of the transformer inductor based on the structural parameters, thereby avoiding the cost increase caused by later modifications. The component three-dimensional model refers to a three-dimensional model of each component of the inductor created by design software, including all structures and details inside and outside the inductor.

[0090] Optionally, as an embodiment of the present invention, the three-dimensional model of the component of the transformer inductor based on the structural parameters can be constructed by CAD software, and the CAD software includes: SolidWorks, AutoCAD, CATIA, Creo, Inventor, etc.

[0091] The embodiment of the present invention can avoid assembly problems in the actual manufacturing process by constructing the initial base 3D model of the transformer inductor based on the component 3D model, wherein the initial base 3D model refers to a base foundation 3D model designed according to the component 3D model.

[0092] Optionally, as an embodiment of the present invention, the initial base three-dimensional model of the transformer inductor based on the component three-dimensional model can be constructed by engineering analysis tools, and the engineering analysis tools include: finite element analysis software ANSYS, ABAQUS, etc.

[0093] The embodiment of the present invention can accurately determine the degree of fit between the component 3D model and the initial base 3D model by calculating the matching coefficient between the component 3D model and the initial base 3D model. The matching coefficient is a value between 0 and 1, where 0 indicates a complete mismatch and 1 indicates a complete match.

[0094] As an embodiment of the present invention, the calculating of the matching coefficient between the component three-dimensional model and the initial base three-dimensional model includes:

[0095] Measuring the dimensions of the component engaging device and the dimensions of the base engaging device corresponding to the component three-dimensional model and the initial base three-dimensional model;

[0096] Analyze the total weight of the component and the base bearing value corresponding to the component three-dimensional model and the initial base three-dimensional model;

[0097] Identifying factors affecting the fit between the component three-dimensional model and the initial base three-dimensional model;

[0098] quantifying the fit impact factor to obtain a fit impact value;

[0099] Analyze the impact weights of the matching impact factors;

[0100] Based on the matching influence value and the influence weight, the matching coefficient between the component three-dimensional model and the initial base three-dimensional model is calculated using the following formula:

[0101]

[0102] Among them, ρ represents the matching coefficient, X Y Indicates the size of the component connection device corresponding to the component 3D model, X D Indicates the size of the base connection device corresponding to the initial base 3D model, Z Y Indicates the total weight of the component corresponding to the component 3D model, Z D represents the bearing value of the initial base 3D model, i represents the i-th influencing factor, m represents the total number of influencing factors, ω i represents the influence weight of the i-th influencing factor, Q i Represents the fitting impact value of the i-th impact factor.

[0103] Among them, the total weight of the component refers to the total mass parameter of the entire three-dimensional model of the component, and the base bearing value refers to the weight value that the three-dimensional model of the base can bear. The fit influencing factor refers to various factors that affect the assembly fit between the three-dimensional model of the component and the initial three-dimensional model of the base, such as geometric compatibility and gap size. The fit influencing value refers to the quantitative result of each fit influencing factor. The influence weight refers to the importance of each fit influencing factor in the overall assembly fit evaluation.

[0104] Optionally, the calculation of the fit influence value of the component three-dimensional model and the initial base three-dimensional model based on the fit influence factor can be performed by measuring parameters such as the gap between the models and the size of the interference area through a software tool.

[0105] In the embodiment of the present invention, when the matching coefficient reaches a preset matching threshold, the initial base three-dimensional model is used as the transformer inductor base three-dimensional model to confirm that the base design meets the predetermined design requirements and standards. The preset matching threshold refers to a standard for measuring whether the matching coefficient is high enough, which is usually a value between 0 and 1, indicating the minimum value that the matching coefficient must reach in order to meet the design requirements, for example, the matching threshold is set to 0.9.

[0106] S2, obtaining an application scenario of the transformer inductor, and based on the application scenario, performing a simulation test on the three-dimensional model of the component and the three-dimensional model of the base to obtain a test result of the simulation test, wherein the test result includes: an electromagnetic analysis result and a thermal analysis result;

[0107] The embodiment of the present invention can determine the working environment of the transformer inductor by acquiring the application scenario of the transformer inductor, and provide a test environment for subsequent simulation tests. The application scenario refers to the specific environment and conditions in which the transformer inductor will be used.

[0108] Optionally, as an embodiment of the present invention, the application scenario of the transformer inductor may be obtained through methods such as on-site inspection.

[0109] Furthermore, the embodiment of the present invention performs simulation tests on the component three-dimensional model and the base three-dimensional model based on the application scenario, and the test results of the simulation tests can ensure that the product can work stably and reliably in the application scenario while meeting specific performance and reliability requirements. Among them, the simulation test refers to simulating actual working conditions and performing performance analysis tests on the component three-dimensional model and the base three-dimensional model during connection and operation. The test results refer to performance evaluation data obtained through simulation testing, such as stress, temperature, current, voltage, etc. The electromagnetic analysis results refer to parameters and performance indicators related to electromagnetic fields obtained through simulation testing. The thermal analysis results refer to parameters and performance indicators related to heat obtained through simulation testing.

[0110] As an embodiment of the present invention, based on the application scenario, performing simulation test on the component three-dimensional model and the base three-dimensional model to obtain the test result of the simulation test includes:

[0111] Based on the application scenario, construct a test environment for the component three-dimensional model and the base three-dimensional model;

[0112] According to the test environment, setting simulation parameters of the component three-dimensional model and the base three-dimensional model;

[0113] Constructing a virtual prototype test experiment of the component three-dimensional model and the base three-dimensional model through the simulation parameters;

[0114] Analyzing static data and dynamic data of the component three-dimensional model and the base three-dimensional model according to the virtual prototype test experiment;

[0115] Based on the static data and the dynamic data, the test results of the component three-dimensional model and the base three-dimensional model are analyzed.

[0116] Among them, the test environment refers to a virtual environment that simulates the actual application scenario, including key parameters such as temperature, humidity, vibration, and electromagnetic interference. This environment should be able to truly reflect the working conditions of the transformer inductor in actual applications. The simulation parameters refer to specific values ​​set in the simulation test, which define the specific conditions of the test, such as temperature range, vibration frequency, electromagnetic interference level, etc. The virtual prototype test experiment refers to a complete model of the transformer inductor component and base constructed in a simulation environment, and a series of tests are carried out to evaluate its performance in actual applications. The static data refers to the static parameters of the component three-dimensional model and the base three-dimensional model before they start running during the simulation test, such as the number of coil turns, coil height, etc. The dynamic data refers to the dynamic parameters of the operating status of the component three-dimensional model and the base three-dimensional model during the simulation test, such as current, voltage, temperature, etc.

[0117] Optionally, the test environment for constructing the component three-dimensional model and the base three-dimensional model based on the application scenario can be constructed by collecting key parameters in the application scenario, and the key parameters include: temperature range, humidity, vibration frequency, electromagnetic interference level, etc.

[0118] Optionally, the static data and dynamic data of the component three-dimensional model and the base three-dimensional model can be analyzed by finite element analysis (FEA) based on the virtual prototype test experiment. The finite element analysis refers to an analysis method that decomposes a continuous physical field (such as stress, displacement, temperature, etc.) into discrete units and uses these units to construct a mathematical model of a system.

[0119] S3. Based on the electromagnetic analysis result, the electromagnetic strength of the three-dimensional model of the component is calculated, and the intensity influencing factors of the electromagnetic strength are identified. Based on the intensity influencing factors, the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component are calculated. Based on the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated. Based on the leakage magnetic flux, the leakage magnetic intensity of the three-dimensional model of the component is calculated. Based on the leakage magnetic intensity, an electromagnetic shielding device of the three-dimensional model of the base is constructed.

[0120] The embodiment of the present invention can accurately calculate the electromagnetic field distribution inside the three-dimensional model of the component by calculating the electromagnetic intensity of the three-dimensional model of the component based on the electromagnetic analysis result. The electromagnetic intensity refers to the combined effect of the electric field and the magnetic field in space, which describes the distribution and propagation of the electromagnetic energy flow in space.

[0121] As an embodiment of the present invention, the calculating the electromagnetic intensity of the three-dimensional model of the component based on the electromagnetic analysis result includes:

[0122] Based on the electromagnetic analysis result, analyzing the electromagnetic spatial distribution of the three-dimensional model of the component;

[0123] Dividing the electromagnetic space distribution to obtain integral points of the electromagnetic space distribution;

[0124] Identifying a position vector, an integration point volume, and an integration point weight of the integration point;

[0125] Extracting the electric field intensity and the magnetic field intensity of the integration point through the electromagnetic analysis result;

[0126] The electromagnetic intensity of the three-dimensional model of the component is calculated using the following formula according to the position vector, the integration point volume, the integration point weight, the electric field intensity and the magnetic field intensity:

[0127]

[0128] Among them, S D represents the electromagnetic intensity, t represents the tth integration point, n represents the total number of integration points, ω t represents the integration point weight of the tth integration point, a t represents the integral position vector of the tth integral point, E(a t represents the electric field strength of the position vector corresponding to the tth integral point, H(a t ) represents the magnetic field intensity of the position vector corresponding to the tth integral point, ΔV t represents the volume of the tth integration point.

[0129] Among them, the electromagnetic space distribution refers to the distribution of electromagnetic fields (usually electric fields and magnetic fields) in three-dimensional space. The integration point refers to the point on the grid or volume element used for integration operations. The position vector refers to the vector from the origin to the integration point, which contains the spatial coordinate information of the integration point. The integration point volume refers to the volume of the part of the space represented by each integration point. The electric field strength refers to the vector field of the strength and direction of the electric field at each point in space. The magnetic field strength refers to the vector field of the strength and direction of the magnetic field at each point in space.

[0130] Optionally, the electromagnetic spatial distribution of the three-dimensional model of the component based on the electromagnetic analysis result can be analyzed by using a numerical analysis method, such as finite element analysis (FEA) and finite difference time domain (FDTD) analysis.

[0131] The embodiment of the present invention can determine which factors most significantly affect the distribution and intensity of the electromagnetic field by identifying the intensity influencing factors of the electromagnetic intensity, wherein the intensity influencing factors refer to various factors that affect the electromagnetic intensity of the component three-dimensional model, such as temperature, humidity, air pressure, current and voltage.

[0132] As an embodiment of the present invention, the intensity influencing factor of the electromagnetic intensity can be identified by performing sensitivity analysis on simulation parameters in the three-dimensional model of the electromagnetic intensity corresponding element. The sensitivity analysis refers to an analysis method of the degree of influence of changing input parameters on system output or response.

[0133] The embodiment of the present invention can provide a data basis for subsequent calculations by calculating the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component based on the strength influencing factor. The short-circuit impedance refers to the degree of resistance of the circuit to the short-circuit current under the short-circuit condition. The short-circuit reactance refers to the reactance effect of the circuit on the short-circuit current under the short-circuit condition, including the effects of inductance and capacitance.

[0134] As an embodiment of the present invention, the calculating the short-circuit reactance and the short-circuit impedance of the three-dimensional model of the component based on the strength influence factor includes:

[0135] Based on the strength influencing factor, extracting the magnetic potential, the number of coil turns and the coil height of the three-dimensional model of the component;

[0136] Calculating the reactance coefficient and the electromagnetic field equivalent area of ​​the three-dimensional model of the component according to the electromagnetic analysis results corresponding to the three-dimensional model of the component;

[0137] The short-circuit reactance of the three-dimensional model of the element is calculated using the following formula through the magnetic potential, the number of coil turns, the coil height, the reactance coefficient, and the electromagnetic field equivalent area:

[0138]

[0139] Among them, D K represents short-circuit reactance, π represents pi, F represents magnetic potential, K represents reactance coefficient, N represents the number of coil turns, ∑S represents the equivalent area of ​​electromagnetic field, and H represents the height of the coil;

[0140] Based on the intensity influencing factor, extracting the operating current, operating voltage and operating temperature of the three-dimensional model of the component;

[0141] Calculating the winding resistance of the three-dimensional model of the component according to the operating temperature;

[0142] According to the short-circuit reactance, the operating current, the operating voltage and the operating temperature, the short-circuit impedance of the three-dimensional model of the component is calculated using the following formula:

[0143]

[0144] Among them, Z K Indicates short-circuit impedance, D Krepresents short-circuit reactance, I represents operating current, U represents operating voltage, R P Indicates the winding resistance at operating temperature.

[0145] Among them, the magnetic potential refers to the magnetic vector potential, which describes the physical quantity of the distribution of the magnetic field in space, the number of coil turns refers to the number of wire turns wound on the coil, and the coil height refers to the dimension of the coil perpendicular to the winding direction. The reactance coefficient refers to the impedance of the three-dimensional model of the component to the change of current. The equivalent area of ​​the electromagnetic field refers to the area corresponding to the area inside the inductor where the electromagnetic field is relatively uniformly distributed. The winding resistance refers to the ratio of the voltage drop caused by the resistance of the wire inside the winding to the current passing through the winding.

[0146] Optionally, the magnetic potential of the three-dimensional model of the element may be extracted by solving Maxwell's equations.

[0147] Optionally, the calculating the reactance coefficient of the three-dimensional model of the component based on the electromagnetic analysis result corresponding to the three-dimensional model of the component includes:

[0148] analyzing the vacuum magnetic permeability of the three-dimensional model of the element;

[0149] Extracting the coil cross-sectional diameter of the three-dimensional model of the component according to the electromagnetic analysis result corresponding to the three-dimensional model of the component;

[0150] Based on the magnetic permeability and the cross-sectional radius of the coil, the reactance coefficient of the three-dimensional model of the element is calculated using the following formula:

[0151]

[0152] Among them, K represents the reactance coefficient, N represents the number of coil turns, and h x represents the coil height, θ represents the vacuum magnetic permeability, π represents the circumference, and l represents the cross-sectional diameter of the coil.

[0153] The magnetic permeability in vacuum refers to the physical quantity of the ability of magnetic field to propagate in vacuum, which is a scalar quantity with a value of approximately 4π×10 -7 Henry meter per ampere. The coil cross-sectional diameter refers to the dimension of the coil cross-sectional area in a direction perpendicular to the coil axis.

[0154] Furthermore, the embodiments of the present invention can help evaluate the electromagnetic leakage of the transformer inductor by calculating the leakage magnetic flux of the three-dimensional model of the component in the air based on the short-circuit impedance and the short-circuit reactance, and provide a data basis for designing the transformer inductor base to reduce the impact of leakage magnetic flux on the surrounding environment. The leakage magnetic flux refers to the magnetic flux that enters the air through the edge or surface of the three-dimensional model of the component.

[0155] As an embodiment of the present invention, the calculation of the leakage magnetic flux of the three-dimensional model of the component in the air based on the short-circuit impedance and the short-circuit reactance includes:

[0156] Determine the rated power per column, ampere-turns per column, total ampere-turns, actual working load and rated load of the three-dimensional model of the component according to the electromagnetic analysis results corresponding to the three-dimensional model of the component;

[0157] Calculating the ampere-turn distribution coefficient of the three-dimensional model of the component by using the ampere-turns per column and the total ampere-turns;

[0158] Calculating a load factor of the three-dimensional model of the component based on the actual working load and the rated load;

[0159] According to the rated power per column, the ampere-turn distribution coefficient, the load factor, the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated using the following formula:

[0160]

[0161] in, represents leakage flux, α represents ampere-turn distribution coefficient, β represents load factor, D K Represents short-circuit reactance, Z K Represents short-circuit impedance, M G Indicates the rated power per column.

[0162] The rated power per column refers to the rated power of each column coil of the transformer or inductor. The ampere-turns per column refers to the number of turns of each column coil of the transformer or inductor. The total ampere-turns refers to the sum of the number of turns of all column coils of the transformer or inductor. The actual working load refers to the load actually carried by the three-dimensional model of the component. The rated load refers to the maximum load designed for the three-dimensional model of the component.

[0163] Optionally, the ampere-turn distribution coefficient of the three-dimensional model of the component based on the ampere-turns per column and the total ampere-turns can be calculated by the ratio of the ampere-turns per column to the total ampere-turns.

[0164] Optionally, based on the actual working load and the rated load, the load coefficient of the three-dimensional model of the element may be calculated by a ratio of the actual working load to the rated load.

[0165] The embodiment of the present invention can design effective electromagnetic shielding measures by calculating the leakage magnetic flux of the three-dimensional model of the component based on the leakage magnetic flux, thereby reducing the impact of leakage magnetic flux on other devices and systems. The leakage magnetic flux intensity refers to the distribution of the leakage magnetic flux in space, which can be used to analyze the impact of leakage magnetic flux on the surrounding environment.

[0166] Optionally, as an embodiment of the present invention, the calculation of the leakage magnetic flux intensity of the three-dimensional model of the component based on the leakage magnetic flux can be performed using the following formula:

[0167]

[0168] Among them, S L It represents the magnetic flux leakage intensity. represents the leakage magnetic flux, π represents the circumference of a circle, and b represents the distance from the observation point to the center of the component.

[0169] Furthermore, the electromagnetic shielding device of the three-dimensional model of the base can effectively reduce the electromagnetic interference of the leakage magnetic flux generated by the transformer inductor on surrounding electronic equipment, communication lines and other sensitive equipment by constructing the electromagnetic shielding device based on the leakage magnetic flux intensity. The electromagnetic shielding device refers to a device designed to reduce or eliminate the influence of the leakage magnetic flux generated by the transformer inductor on the surrounding environment and equipment.

[0170] As an embodiment of the present invention, the electromagnetic shielding device for constructing the three-dimensional model of the base based on the leakage magnetic intensity includes:

[0171] Based on the majority of the leakage magnetic flux intensities, analyzing the leakage magnetic flux propagation path of the three-dimensional model of the component corresponding to the three-dimensional model of the base;

[0172] Constructing a multilayer structure of the three-dimensional model of the base, wherein the multilayer structure comprises: an absorption layer, a conversion layer and a release layer;

[0173] Determining the material composition, thickness of each layer, area of ​​each layer and structural layout of the multilayer structure according to the leakage magnetic flux intensity and the leakage magnetic flux propagation path;

[0174] Constructing the electromagnetic shielding control system of the multi-layer structure, and configuring the electromagnetic control device of the three-dimensional model of the base based on the electromagnetic shielding control system;

[0175] Based on the electromagnetic control equipment, the electromagnetic shielding control system and the multi-layer structure, an electromagnetic shielding device of the three-dimensional model of the base is constructed.

[0176] Among them, the leakage magnetic flux propagation path refers to the path along which the leakage magnetic flux intensity propagates from the three-dimensional model of the component to the three-dimensional model of the base, and these paths describe the propagation trajectory of the leakage magnetic flux in space, including its propagation direction and path length. The absorption layer refers to a layer used to absorb leakage magnetic flux, such as ferrite or soft magnetic alloy. The conversion layer refers to a layer used to convert electromagnetic energy into thermal energy, such as graphene or carbon nanotubes. The release layer refers to a layer used to release thermal energy into the environment, such as metal or ceramic. The material composition refers to the type of material used to form a multilayer structure, and the structural layout refers to the relative position and arrangement between layers in the multilayer structure. The electromagnetic shielding control system refers to a system used to monitor the intensity and frequency of electromagnetic waves and adjust the working state of the conversion device as needed. The electromagnetic control equipment refers to related components such as sensors, processors and actuators.

[0177] Optionally, based on the leakage magnetic intensity, the material composition, thickness of each layer and area of ​​each layer of the multilayer structure can be determined according to the material's ability to absorb, convert and release electromagnetic waves, as well as the material's physical and chemical properties; the structural layout can be determined by the expected performance of the multilayer structure and the requirements of actual applications.

[0178] S4. Analyze the working heat energy and the heat conduction path of the three-dimensional model of the component based on the thermal analysis result, and construct a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path;

[0179] The embodiment of the present invention can analyze the working heat energy and heat conduction path of the component three-dimensional model based on the thermal analysis results to more comprehensively understand the thermal characteristics of the component three-dimensional model, and accordingly design and construct a heat dissipation device of the base three-dimensional model to meet the heat dissipation requirements of the component during operation and improve the performance and reliability of the entire system. The working heat energy refers to the heat generated by the component three-dimensional model under normal working conditions.

[0180] As an embodiment of the present invention, analyzing the working heat energy and heat conduction path of the three-dimensional model of the component based on the thermal analysis result includes:

[0181] Based on the thermal analysis results, extracting the core coercive force, core volume and core relative permeability of the three-dimensional model of the component;

[0182] Determining the eddy current loss coefficient and the hysteresis loss coefficient of the three-dimensional model of the component through the thermal analysis results;

[0183] According to the eddy current loss coefficient, the hysteresis loss coefficient, the core coercive force, the core volume and the core relative magnetic permeability, the working heat energy of the component three-dimensional model is calculated using the following formula, wherein the working heat energy includes: resistance loss heat energy, eddy current loss heat energy and hysteresis loss heat energy:

[0184]

[0185] Where P represents working heat energy, P d Represents the heat energy lost by resistance, P w Indicates the eddy current loss heat energy, P c represents the hysteresis loss heat energy, I represents the working current, R d represents the total resistance of the three-dimensional model of the component, γ w represents the eddy current loss coefficient, γ c represents the hysteresis loss coefficient, θ represents the magnetic permeability in vacuum, and θ f represents the relative magnetic permeability of the core, B represents the magnetic induction intensity, V f represents the core volume, X represents the frequency of the alternating magnetic field, T c It represents the coercive force of the core;

[0186] Based on the thermal analysis results, analyzing the temperature distribution, heat flux density and thermal resistance of the three-dimensional model of the component;

[0187] A heat conduction path of the three-dimensional model is determined based on the temperature distribution, the heat flux density, and the thermal resistance.

[0188] Among them, the core coercive force refers to the magnetic field strength required for the core to recover from the magnetized state to the non-magnetized state in the alternating magnetic field. The eddy current loss coefficient is a parameter of the energy loss caused by the eddy current effect in the alternating magnetic field, which is related to the volume, shape and magnetic permeability of the core. The hysteresis loss coefficient is a parameter of the energy loss caused by the hysteresis phenomenon in the alternating magnetic field, which is related to the coercive force and relative magnetic permeability of the core. The magnetic induction intensity refers to the magnetic induction intensity at a certain point in the magnetic field. The frequency of the alternating magnetic field refers to the rate of change of the magnetic field. The core relative magnetic permeability refers to the ratio of the magnetic permeability of the core material in the magnetic field to the magnetic permeability in the vacuum. The temperature distribution refers to the temperature value of each point on the surface or inside of the three-dimensional model of the component. The heat flux density refers to the amount of heat passing through a unit area per unit time. The magnitude and direction of the heat flux density reflect the speed and direction of heat flow. The thermal resistance refers to the degree of resistance of the material of the three-dimensional model of the component to the flow of heat.

[0189] Furthermore, the embodiment of the present invention can prevent the transformer inductor from being damaged due to overheating and extend the operating life of the entire device by constructing a heat dissipation device of the base three-dimensional model based on the working heat energy and the heat conduction path. The heat dissipation device refers to a system for reducing or controlling the heat energy generated during the operation of the component three-dimensional model.

[0190] In one embodiment of the present invention, the heat dissipation device for constructing the three-dimensional model of the base based on the working heat energy and the heat conduction path includes:

[0191] Based on the working heat energy, determining a heat dissipation medium of the three-dimensional model of the base;

[0192] A heat dissipation device framework of the three-dimensional model of the base is constructed through the heat conduction path, wherein the heat dissipation device framework includes: a storage container for a heat dissipation medium, a circulation pipeline for the heat dissipation medium, a heat sink, and a heat dissipation fan;

[0193] Constructing a heat dissipation control system of the heat dissipation device framework;

[0194] Based on the heat dissipation medium, the heat dissipation device frame and the heat dissipation control system, a heat dissipation device of the base three-dimensional model is constructed.

[0195] The heat dissipation medium refers to a substance used to absorb and transfer heat, which can be liquid, gas or solid. The heat dissipation device framework refers to the physical structure of the heat dissipation system. The design of the framework needs to consider factors such as heat dissipation efficiency, heat conduction path, flow characteristics, safety, etc. The heat dissipation control system refers to a system used to monitor and adjust the operating parameters of the heat dissipation device, including temperature sensors, controllers, actuators, etc.

[0196] Optionally, the heat dissipation medium for determining the three-dimensional model of the base based on the working heat energy can be constructed by using liquid metal as the heat dissipation medium. The liquid metal refers to a metal that is liquid at room temperature or slightly heated, such as gallium, bismuth and mercury.

[0197] S5. Establish a balancing network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device. Based on the balancing network, integrate the electromagnetic shielding device and the heat dissipation device into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, construct the base of the transformer inductor.

[0198] The embodiment of the present invention can realize the coordinated design of the transformer inductor, the electromagnetic shielding device and the heat dissipation device by establishing a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device, thereby improving the performance, electromagnetic compatibility and heat dissipation efficiency of the product, reducing the production cost and improving the production efficiency. Among them, the balanced network refers to a mathematical model or system for analyzing and designing the interaction of electronic components.

[0199] As an embodiment of the present invention, the step of establishing a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device includes:

[0200] Analyzing the current distribution and voltage distribution of the transformer inductor and constructing an electrical balance network of the transformer inductor;

[0201] Analyzing the leakage magnetic field distribution of the transformer inductor and the electromagnetic shielding control method of the electromagnetic shielding device, and constructing an electromagnetic balance network of the electromagnetic shielding device based on the leakage magnetic field distribution and the electromagnetic shielding control method;

[0202] Analyzing a heat dissipation path and a heat dissipation control method of the heat dissipation device, and constructing a heat dissipation balancing network of the heat dissipation device based on the heat dissipation path and the heat dissipation control method;

[0203] The electrical balance network, the electromagnetic balance network and the heat dissipation balance network are integrated into a preset network architecture to obtain a balance network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device.

[0204] Among them, the current distribution refers to the distribution of current in various parts (such as different turns and different sections of the coil) inside the transformer inductor. The voltage distribution refers to the distribution of voltage in various parts (such as between different turns of the coil and between the coil and the ground) inside the transformer inductor. The electrical balance network refers to an equivalent circuit model that simulates the electrical characteristics of the transformer inductor, including components such as resistance, inductance, capacitance, and the connection relationship between them. The leakage magnetic field distribution refers to the distribution of magnetic flux leaking into the surrounding space when the transformer inductor is working. The electromagnetic shielding control method refers to a method for managing and optimizing the performance of the electromagnetic shielding device. The electromagnetic balance network refers to a model for analyzing the shielding effect of the electromagnetic shielding device on the leakage magnetic field. The heat dissipation path refers to the path where heat is generated from the transformer inductor and the electromagnetic shielding device and transferred to the surrounding environment through the heat dissipation device. The heat dissipation control method refers to a series of performance measures and technologies for managing and optimizing the heat dissipation device. The heat dissipation balance network refers to a model for analyzing the generation, transfer and loss of heat.

[0205] Optionally, the electrical balance network, the electromagnetic balance network and the heat dissipation balance network are integrated into a balance network by using multi-physics field simulation software (such as ANSYS Workbench, SIMULINK).

[0206] The embodiment of the present invention integrates the electromagnetic shielding device and the heat dissipation device into the three-dimensional model of the base based on a balanced network to obtain a target three-dimensional model of the base, which can optimize the three-dimensional base model and improve the overall performance of the three-dimensional model of the base. The target three-dimensional model refers to the three-dimensional model of the base including the electromagnetic shielding device and the heat dissipation device, which is finally obtained after a series of analysis and design steps.

[0207] Optionally, as an embodiment of the present invention, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base based on a balancing network, and the target three-dimensional model of the base can be integrated through CAD software.

[0208] The embodiment of the present invention can improve the reliability and practicality of the base by constructing the base of the transformer inductor based on the target three-dimensional base model, and reduce product failures caused by design defects.

[0209] The embodiment of the present invention can accurately determine the degree of fit between the component three-dimensional model and the initial base three-dimensional model by calculating the matching coefficient between the component three-dimensional model and the initial base three-dimensional model; optionally, the embodiment of the present invention performs simulation tests on the component three-dimensional model and the base three-dimensional model based on the application scenario, and the test results of the simulation test can ensure that the product can work stably and reliably in the application scenario while meeting specific performance and reliability requirements; the embodiment of the present invention calculates the leakage magnetic flux of the component three-dimensional model in the air based on the short-circuit impedance and the short-circuit reactance, which can help evaluate the electromagnetic leakage of the transformer inductor and provide a data basis for designing the transformer inductor base to reduce the impact of leakage magnetic flux on the surrounding environment. ; The embodiment of the present invention can prevent the transformer inductor from being damaged due to overheating by constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path, thereby extending the operating life of the entire device. The embodiment of the present invention can achieve the coordinated design of the transformer inductor, the electromagnetic shielding device and the heat dissipation device by establishing a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device, thereby improving the performance, electromagnetic compatibility and heat dissipation efficiency of the product, reducing the production cost and improving the production efficiency. Finally, the embodiment of the present invention integrates the electromagnetic shielding device and the heat dissipation device into the three-dimensional model of the base based on the balanced network to obtain the target three-dimensional model of the base, thereby optimizing the three-dimensional base model and improving the overall performance of the three-dimensional model of the base. Therefore, the present invention can improve the heat dissipation and electromagnetic shielding effects of the transformer inductor base.

[0210] like Figure 2 , which is a functional module diagram of a base design system for a transformer inductor provided in one embodiment of the present invention.

[0211] The transformer inductor base design system 200 of the present invention can be installed in an electronic device. According to the functions to be implemented, the transformer inductor base design system 200 can include a three-dimensional model construction module 201, a simulation test module 202, an electromagnetic shielding module 203, a heat dissipation analysis module 204 and a base construction module 205. The module of the present invention can also be called a unit, which refers to a series of computer program segments that can be executed by an electronic device processor and can complete fixed functions, which are stored in the memory of the electronic device.

[0212] In this embodiment, the functions of each module / unit are as follows:

[0213] The three-dimensional model building module 201 is used to obtain a transformer inductor, analyze the structural parameters of the transformer inductor, build a component three-dimensional model of the transformer inductor based on the structural parameters, build an initial base three-dimensional model of the transformer inductor based on the component three-dimensional model, calculate the matching coefficient between the component three-dimensional model and the initial base three-dimensional model, and when the matching coefficient reaches a preset matching threshold, use the initial base three-dimensional model as the base three-dimensional model of the transformer inductor;

[0214] The simulation test module 202 is used to obtain an application scenario of the transformer inductor, and based on the application scenario, perform simulation tests on the component three-dimensional model and the base three-dimensional model to obtain test results of the simulation test, wherein the test results include: electromagnetic analysis results and thermal analysis results;

[0215] The electromagnetic shielding module 203 is used to calculate the electromagnetic strength of the three-dimensional model of the component based on the electromagnetic analysis result, identify the strength influencing factor of the electromagnetic strength, calculate the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component based on the strength influencing factor, calculate the leakage magnetic flux of the three-dimensional model of the component in the air based on the short-circuit impedance and the short-circuit reactance, calculate the leakage magnetic intensity of the three-dimensional model of the component based on the leakage magnetic flux, and construct an electromagnetic shielding device of the three-dimensional model of the base based on the leakage magnetic intensity;

[0216] The heat dissipation analysis module 204 is used to analyze the working heat energy and the heat conduction path of the component three-dimensional model based on the thermal analysis result, and to construct a heat dissipation device of the base three-dimensional model based on the working heat energy and the heat conduction path;

[0217] The base construction module 205 is used to establish a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device. Based on the balanced network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

[0218] In detail, each module described in the transformer inductor base design system 200 described in the embodiment of the present invention adopts the same technical means as the transformer inductor base design method described in the accompanying drawings when used, and can produce the same technical effects, which will not be repeated here.

[0219] An embodiment of the present invention provides an electronic device for implementing a base design method for a transformer inductor.

[0220] See also Figure 3As shown, the electronic device may include a processor 30, a memory 31, a communication bus 32 and a communication interface 33, and may also include a computer program stored in the memory 31 and executable on the processor 30, such as a transformer inductor base design method program.

[0221] In some embodiments, the processor may be composed of an integrated circuit, for example, a single packaged integrated circuit, or a plurality of packaged integrated circuits with the same or different functions, including one or more central processing units (CPUs), microprocessors, digital processing chips, graphics processors, and combinations of various control chips, etc. The processor is the control core (Control Unit) of the electronic device, and uses various interfaces and lines to connect various components of the entire electronic device, and executes or executes programs or modules stored in the memory (for example, executing a base design program for a transformer inductor, etc.), and calls data stored in the memory to execute various functions of the electronic device and process data.

[0222] The memory includes at least one type of readable storage medium, and the readable storage medium includes flash memory, mobile hard disk, multimedia card, card-type memory (for example: SD or DX memory, etc.), magnetic memory, disk, optical disk, etc. In some embodiments, the memory can be an internal storage unit of an electronic device, such as a mobile hard disk of the electronic device. In other embodiments, the memory can also be an external storage device of an electronic device, such as a plug-in mobile hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped on the electronic device. Further, the memory can also include both an internal storage unit of the electronic device and an external storage device. The memory can not only be used to store application software and various types of data installed in the electronic device, such as the code of the base design program based on the transformer inductor, but also can be used to temporarily store data that has been output or is to be output.

[0223] The communication bus may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc. The bus is configured to realize connection and communication between the memory and at least one processor, etc.

[0224] The communication interface is used for communication between the above-mentioned electronic device and other devices, including a network interface and a user interface. Optionally, the network interface may include a wired interface and / or a wireless interface (such as a WI-FI interface, a Bluetooth interface, etc.), which is generally used to establish a communication connection between the electronic device and other electronic devices. The user interface may be a display (Display), an input unit (such as a keyboard (Keyboard)), and optionally, the user interface may also be a standard wired interface, a wireless interface. Optionally, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, and an OLED (Organic Light-Emitting Diode, organic light-emitting diode) touch device, etc. Among them, the display may also be appropriately referred to as a display screen or a display unit, which is used to display information processed in the electronic device and to display a visual user interface.

[0225] For example, although not shown, the electronic device may also include a power source (such as a battery) for supplying power to each component. Preferably, the power source may be logically connected to the at least one processor through a power management system, so that the power management system can realize functions such as charging management, discharging management, and power consumption management. The power source may also include any components such as one or more DC or AC power sources, recharging systems, power failure detection circuits, power converters or inverters, and power status indicators. The electronic device may also include a variety of sensors, Bluetooth modules, Wi-Fi modules, etc., which will not be repeated here.

[0226] It should be understood that the embodiment is for illustration only and the scope of the patent application is not limited to this structure.

[0227] The transformer inductor base design program stored in the memory of the electronic device is a combination of multiple instructions, and when running in the processor, it can achieve:

[0228] Obtaining a transformer inductor, analyzing structural parameters of the transformer inductor, constructing a three-dimensional component model of the transformer inductor based on the structural parameters, constructing an initial three-dimensional base model of the transformer inductor based on the three-dimensional component model, calculating a matching coefficient between the three-dimensional component model and the initial three-dimensional base model, and when the matching coefficient reaches a preset matching threshold, using the initial three-dimensional base model as the three-dimensional base model of the transformer inductor;

[0229] Acquire an application scenario of the transformer inductor, and based on the application scenario, perform simulation tests on the three-dimensional model of the component and the three-dimensional model of the base to obtain test results of the simulation tests, wherein the test results include: electromagnetic analysis results and thermal analysis results;

[0230] Based on the electromagnetic analysis result, the electromagnetic strength of the three-dimensional model of the component is calculated, and the strength influencing factors of the electromagnetic strength are identified; based on the strength influencing factors, the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component are calculated; based on the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated; based on the leakage magnetic flux, the leakage magnetic strength of the three-dimensional model of the component is calculated; based on the leakage magnetic strength, an electromagnetic shielding device of the three-dimensional model of the base is constructed;

[0231] Based on the thermal analysis results, analyzing the working heat energy and the heat conduction path of the three-dimensional model of the component, and constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path;

[0232] A balancing network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device is established. Based on the balancing network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

[0233] Specifically, the specific implementation method of the processor for the above instructions can refer to the description of the relevant steps in the corresponding embodiment of the accompanying drawings, which will not be repeated here.

[0234] Furthermore, if the module / unit integrated in the electronic device is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. The computer-readable storage medium can be volatile or non-volatile. For example, the computer-readable medium may include: any entity or system capable of carrying the computer program code, a recording medium, a USB flash drive, a mobile hard disk, a magnetic disk, an optical disk, a computer memory, and a read-only memory (ROM).

[0235] The present invention further provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor of an electronic device, the computer program can implement:

[0236] Obtaining a transformer inductor, analyzing structural parameters of the transformer inductor, constructing a three-dimensional component model of the transformer inductor based on the structural parameters, constructing an initial three-dimensional base model of the transformer inductor based on the three-dimensional component model, calculating a matching coefficient between the three-dimensional component model and the initial three-dimensional base model, and when the matching coefficient reaches a preset matching threshold, using the initial three-dimensional base model as the three-dimensional base model of the transformer inductor;

[0237] Acquire an application scenario of the transformer inductor, and based on the application scenario, perform simulation tests on the three-dimensional model of the component and the three-dimensional model of the base to obtain test results of the simulation tests, wherein the test results include: electromagnetic analysis results and thermal analysis results;

[0238] Based on the electromagnetic analysis result, the electromagnetic strength of the three-dimensional model of the component is calculated, and the strength influencing factors of the electromagnetic strength are identified; based on the strength influencing factors, the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component are calculated; based on the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated; based on the leakage magnetic flux, the leakage magnetic strength of the three-dimensional model of the component is calculated; based on the leakage magnetic strength, an electromagnetic shielding device of the three-dimensional model of the base is constructed;

[0239] Based on the thermal analysis results, analyzing the working heat energy and the heat conduction path of the three-dimensional model of the component, and constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path;

[0240] A balancing network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device is established. Based on the balancing network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

[0241] In the several embodiments provided by the present invention, it should be understood that the disclosed devices, systems and methods can be implemented in other ways. For example, the system embodiments described above are only schematic, for example, the division of the modules is only a logical function division, and there may be other division methods in actual implementation.

[0242] The modules described as separate components may or may not be physically separated, and the components shown as modules may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0243] In addition, each functional module in each embodiment of the present invention may be integrated into one processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of hardware plus software functional modules.

[0244] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

[0245] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description, so it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any attached figure mark in the claims should not be regarded as limiting the claims involved.

[0246] The embodiments of the present application can acquire and process relevant data based on artificial intelligence technology. Among them, artificial intelligence (AI) is the theory, method, technology and application system that uses digital computers or machines controlled by digital computers to simulate, extend and expand human intelligence, perceive the environment, acquire knowledge and use knowledge to obtain the best results.

[0247] In addition, it is clear that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or systems stated in a system claim can also be implemented by one unit or system through software or hardware. The words first, second, etc. are used to indicate names, and do not indicate any particular order.

[0248] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A method for designing a base of a transformer inductor, characterized in that: The method comprises: Obtaining a transformer inductor, analyzing structural parameters of the transformer inductor, constructing a three-dimensional component model of the transformer inductor based on the structural parameters, constructing an initial three-dimensional base model of the transformer inductor based on the three-dimensional component model, calculating a matching coefficient between the three-dimensional component model and the initial three-dimensional base model, and when the matching coefficient reaches a preset matching threshold, using the initial three-dimensional base model as the three-dimensional base model of the transformer inductor; Acquire an application scenario of the transformer inductor, and based on the application scenario, perform simulation tests on the three-dimensional model of the component and the three-dimensional model of the base to obtain test results of the simulation tests, wherein the test results include: electromagnetic analysis results and thermal analysis results; Based on the electromagnetic analysis result, the electromagnetic strength of the three-dimensional model of the component is calculated, and the strength influencing factors of the electromagnetic strength are identified; based on the strength influencing factors, the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component are calculated; based on the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated; based on the leakage magnetic flux, the leakage magnetic strength of the three-dimensional model of the component is calculated; based on the leakage magnetic strength, an electromagnetic shielding device of the three-dimensional model of the base is constructed; Based on the thermal analysis results, analyzing the working heat energy and the heat conduction path of the three-dimensional model of the component, and constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path; A balancing network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device is established. Based on the balancing network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

2. The method for designing a base of a transformer inductor according to claim 1, wherein: The calculating the matching coefficient between the component three-dimensional model and the initial base three-dimensional model includes: Measuring the dimensions of the component engaging device and the dimensions of the base engaging device corresponding to the component three-dimensional model and the initial base three-dimensional model; Analyze the total weight of the component and the base bearing value corresponding to the component three-dimensional model and the initial base three-dimensional model; Identifying factors affecting the fit between the component three-dimensional model and the initial base three-dimensional model; quantifying the fit impact factor to obtain a fit impact value; Analyze the impact weights of the matching impact factors; Based on the matching influence value and the influence weight, the matching coefficient between the component three-dimensional model and the initial base three-dimensional model is calculated using the following formula: Among them, ρ represents the matching coefficient, X Y Indicates the size of the component connection device corresponding to the component 3D model, X D Indicates the size of the base connection device corresponding to the initial base 3D model, Z Y Indicates the total weight of the component corresponding to the component 3D model, Z D represents the bearing value of the initial base 3D model, i represents the i-th influencing factor, m represents the total number of influencing factors, ω i represents the influence weight of the i-th impact factor, Q i Represents the fitting impact value of the i-th impact factor.

3. The method for designing a base of a transformer inductor according to claim 1, wherein: Based on the application scenario, the component three-dimensional model and the base three-dimensional model are simulated and tested to obtain test results, including: Based on the application scenario, construct a test environment for the component three-dimensional model and the base three-dimensional model; According to the test environment, setting simulation parameters of the component three-dimensional model and the base three-dimensional model; Constructing a virtual prototype test experiment of the component three-dimensional model and the base three-dimensional model through the simulation parameters; Analyzing static data and dynamic data of the component three-dimensional model and the base three-dimensional model according to the virtual prototype test experiment; Based on the static data and the dynamic data, the test results of the component three-dimensional model and the base three-dimensional model are analyzed.

4. The method for designing a base of a transformer inductor according to claim 1, wherein: The step of calculating the electromagnetic intensity of the three-dimensional model of the component based on the electromagnetic analysis result includes: Based on the electromagnetic analysis results, analyzing the electromagnetic spatial distribution of the three-dimensional model of the component; Dividing the electromagnetic space distribution to obtain integral points of the electromagnetic space distribution; Identifying a position vector, an integration point volume, and an integration point weight of the integration point; Extracting the electric field intensity and the magnetic field intensity of the integration point through the electromagnetic analysis result; The electromagnetic intensity of the three-dimensional model of the component is calculated using the following formula according to the position vector, the integration point volume, the integration point weight, the electric field intensity and the magnetic field intensity: Among them, S D represents the electromagnetic intensity, t represents the tth integration point, n represents the total number of integration points, ω t represents the integration point weight of the tth integration point, a t represents the integral position vector of the tth integral point, E(a t represents the electric field strength of the position vector corresponding to the tth integral point, H(a t ) represents the magnetic field intensity of the position vector corresponding to the tth integral point, ΔV t represents the volume of the tth integration point.

5. The method for designing a base of a transformer inductor according to claim 1, wherein: The calculating the short-circuit reactance and the short-circuit impedance of the three-dimensional model of the component based on the strength influence factor includes: Based on the strength influencing factor, extracting the magnetic potential, the number of coil turns and the coil height of the three-dimensional model of the component; Calculating the reactance coefficient and the electromagnetic field equivalent area of ​​the three-dimensional model of the component according to the electromagnetic analysis results corresponding to the three-dimensional model of the component; The short-circuit reactance of the three-dimensional model of the element is calculated using the following formula through the magnetic potential, the number of coil turns, the coil height, the reactance coefficient, and the electromagnetic field equivalent area: Among them, D K represents short-circuit reactance, π represents pi, F represents magnetic potential, K represents reactance coefficient, N represents the number of coil turns, ∑S represents the equivalent area of ​​electromagnetic field, and H represents the height of the coil; Based on the intensity influencing factor, extracting the operating current, operating voltage and operating temperature of the three-dimensional model of the component; Calculating the winding resistance of the three-dimensional model of the component according to the operating temperature; The short-circuit impedance of the three-dimensional model of the component is calculated using the following formula according to the short-circuit reactance, the operating current, the operating voltage and the operating temperature: Among them, Z K Indicates short-circuit impedance, D K represents short-circuit reactance, I represents operating current, U represents operating voltage, R P Indicates the winding resistance at operating temperature.

6. The method for designing a base of a transformer inductor according to claim 1, wherein: The calculating the leakage magnetic flux of the three-dimensional model of the component in the air based on the short-circuit impedance and the short-circuit reactance includes: Determine the rated power per column, ampere-turns per column, total ampere-turns, actual working load and rated load of the three-dimensional model of the component according to the electromagnetic analysis results corresponding to the three-dimensional model of the component; Calculating the ampere-turn distribution coefficient of the three-dimensional model of the component by using the ampere-turns per column and the total ampere-turns; Calculating a load factor of the three-dimensional model of the element based on the actual working load and the rated load; According to the rated power per column, the ampere-turn distribution coefficient, the load factor, the short-circuit impedance and the short-circuit reactance, the leakage magnetic flux of the three-dimensional model of the component in the air is calculated using the following formula: in, represents leakage flux, α represents ampere-turn distribution coefficient, β represents load factor, D K Represents short-circuit reactance, Z K Represents short-circuit impedance, M G Indicates the rated power per column.

7. The method for designing a base of a transformer inductor according to claim 1, wherein: The electromagnetic shielding device for constructing the three-dimensional model of the base based on the leakage magnetic intensity includes: Based on the majority of the leakage magnetic flux intensities, analyzing the leakage magnetic flux propagation path of the three-dimensional model of the component corresponding to the three-dimensional model of the base; Constructing a multilayer structure of the three-dimensional model of the base, wherein the multilayer structure comprises: an absorption layer, a conversion layer and a release layer; Determining the material composition, thickness of each layer, area of ​​each layer and structural layout of the multilayer structure according to the leakage magnetic flux intensity and the leakage magnetic flux propagation path; Constructing the electromagnetic shielding control system of the multi-layer structure, and configuring the electromagnetic control device of the three-dimensional model of the base based on the electromagnetic shielding control system; Based on the electromagnetic control equipment, the electromagnetic shielding control system and the multi-layer structure, an electromagnetic shielding device of the three-dimensional model of the base is constructed.

8. The method for designing a base of a transformer inductor according to claim 1, wherein: The step of analyzing the working heat energy and heat conduction path of the three-dimensional model of the component based on the thermal analysis result includes: Based on the thermal analysis results, extracting the core coercive force, core volume and core relative permeability of the three-dimensional model of the component; Determining the eddy current loss coefficient and the hysteresis loss coefficient of the three-dimensional model of the component through the thermal analysis results; According to the eddy current loss coefficient, the hysteresis loss coefficient, the core coercive force, the core volume and the core relative magnetic permeability, the working heat energy of the component three-dimensional model is calculated using the following formula, wherein the working heat energy includes: resistance loss heat energy, eddy current loss heat energy and hysteresis loss heat energy: Where P represents working heat energy, P d Represents the heat energy lost by resistance, P w Indicates the eddy current loss heat energy, P c represents the hysteresis loss heat energy, I represents the working current, R d represents the total resistance of the three-dimensional model of the component, γ w represents the eddy current loss coefficient, γ c represents the hysteresis loss coefficient, θ represents the magnetic permeability in vacuum, and θ f represents the relative magnetic permeability of the core, B represents the magnetic induction intensity, V f represents the core volume, X represents the frequency of the alternating magnetic field, T c It represents the coercive force of the core; Based on the thermal analysis results, analyzing the temperature distribution, heat flux density and thermal resistance of the three-dimensional model of the component; A heat conduction path of the three-dimensional model is determined based on the temperature distribution, the heat flux density, and the thermal resistance.

9. The method for designing a base of a transformer inductor according to claim 1, wherein: The step of establishing a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device comprises: Analyzing the current distribution and voltage distribution of the transformer inductor and constructing an electrical balance network of the transformer inductor; Analyzing the leakage magnetic field distribution of the transformer inductor and the electromagnetic shielding control method of the electromagnetic shielding device, and constructing an electromagnetic balance network of the electromagnetic shielding device based on the leakage magnetic field distribution and the electromagnetic shielding control method; Analyzing a heat dissipation path and a heat dissipation control method of the heat dissipation device, and constructing a heat dissipation balancing network of the heat dissipation device based on the heat dissipation path and the heat dissipation control method; The electrical balance network, the electromagnetic balance network and the heat dissipation balance network are integrated into a preset network architecture to obtain a balance network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device.

10. A transformer inductor base design system, characterized in that: A system for executing the base design method of a transformer inductor according to any one of claims 1 to 9, the system comprising: A three-dimensional model building module, used to obtain a transformer inductor, analyze the structural parameters of the transformer inductor, build a component three-dimensional model of the transformer inductor based on the structural parameters, build an initial base three-dimensional model of the transformer inductor based on the component three-dimensional model, calculate a matching coefficient between the component three-dimensional model and the initial base three-dimensional model, and when the matching coefficient reaches a preset matching threshold, use the initial base three-dimensional model as the base three-dimensional model of the transformer inductor; A simulation test module, used to obtain an application scenario of the transformer inductor, and based on the application scenario, perform a simulation test on the three-dimensional model of the component and the three-dimensional model of the base to obtain a test result of the simulation test, wherein the test result includes: an electromagnetic analysis result and a thermal analysis result; An electromagnetic shielding module, used to calculate the electromagnetic strength of the three-dimensional model of the component based on the electromagnetic analysis result, identify the strength influencing factor of the electromagnetic strength, calculate the short-circuit reactance and short-circuit impedance of the three-dimensional model of the component based on the strength influencing factor, calculate the leakage magnetic flux of the three-dimensional model of the component in the air based on the short-circuit impedance and the short-circuit reactance, calculate the leakage magnetic intensity of the three-dimensional model of the component based on the leakage magnetic flux, and construct an electromagnetic shielding device for the three-dimensional model of the base based on the leakage magnetic intensity; A heat dissipation analysis module, used for analyzing the working heat energy and the heat conduction path of the three-dimensional model of the component based on the thermal analysis result, and constructing a heat dissipation device of the three-dimensional model of the base based on the working heat energy and the heat conduction path; A base construction module is used to establish a balanced network of the transformer inductor, the electromagnetic shielding device and the heat dissipation device. Based on the balanced network, the electromagnetic shielding device and the heat dissipation device are integrated into the three-dimensional model of the base to obtain a target three-dimensional model of the base. Based on the target three-dimensional base model, the base of the transformer inductor is constructed.

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