A centralized combined thermal experiment simulation system

By designing a centralized combined thermal experimental simulation simulation system, using multi-module coordination and FLUENT software for thermal experimental simulation simulation, the problem of single functions and inaccurate temperature control in the existing technology is solved, and rich testing is achieved Functional and high-precision temperature control significantly improve experimental efficiency and data accuracy.

CN114639289BActive Publication Date: 2024-12-31NINGBO INST OF METROLOGY & MEASUREMENT NINGBO WEIGHING APP ADMINISTATION OFFICE
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Patent Information

Application Number
CN202210212174.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-03-04
Publication Date
2024-12-31
Estimated Expiration
2042-03-04

AI Technical Summary

Technical Problem

There are few existing comprehensive thermal experimental simulation systems, single testing functions, and insufficient temperature control, which leads to time-consuming and labor-intensive experimental process and insufficient data.

Method used

A centralized combined thermal experiment simulation system was designed, including parameter acquisition module, data preprocessing module, central control module, simulation model construction module, grid division module, simulation simulation module, multi-structure measurement module, temperature control module and The data storage module coordinates the normal operation of each module through the central processor, uses FLUENT software to simulate thermal experiments, and dynamic demonstration results are demonstrated through three-dimensional rendering.

Benefits of technology

The richness of test functions and the accuracy of temperature control are achieved, and the design of thermal experimental simulation system is optimized, which significantly reduces experimental time and improves data accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention belongs to the technical field of physical experiment simulation, and discloses a centralized combined thermal experiment simulation system, which includes: a parameter acquisition module, a data preprocessing module, a central control module, a simulation model building module, a grid division module, a simulation module, a multi-structure measurement module, a temperature control module, a data storage module, and an update display module. The centralized combined thermal experiment simulation system provided by the present invention has rich test functions, saves time and effort, can accurately control the temperature of each structure in the centralized combined thermal experiment simulation system through a temperature controller, optimizes the design of the thermal experiment simulation system, has strong practicality, and solves the problem that the traditional thermal comprehensive experiment simulation system is less, the test function is relatively single, and the temperature control is not accurate enough, resulting in the experimental process being time-consuming and labor-intensive, and the obtained data is not accurate enough.
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Description

Technical Field

[0001] The invention belongs to the technical field of physical experiment simulation, and in particular relates to a centralized combined thermal experiment simulation system. Background Art

[0002] At present, the thermal comprehensive experiment instrument is a commonly used instrument in physics teaching, and its common function is to measure the resistance of thermistors at different temperatures. However, with the continuous in-depth development of physics teaching, projects including the characteristic measurement of material temperature sensors, the characteristic measurement of the relationship between material resistance and temperature, the measurement of the Curie point of ferromagnetic materials, and the measurement of the thermal expansion coefficient of metal materials are all very important contents in teaching, and they also play a very important reference role in judging the basic properties of materials. At present, there are few simulation systems for existing thermal comprehensive experiments, and the test functions are relatively single. At the same time, the temperature control is not accurate enough, which makes the experimental process time-consuming and laborious, and the data obtained is not accurate enough. Therefore, it is urgent to design a new centralized combined thermal experiment simulation system.

[0003] Through the above analysis, the problems and defects of the existing technology are as follows: there are few simulation systems for existing comprehensive thermal experiments, and the test functions are relatively simple. At the same time, the temperature control is not precise enough, which makes the experimental process time-consuming and labor-intensive, and the data obtained is not accurate enough. Summary of the invention

[0004] In view of the problems existing in the prior art, the present invention provides a centralized combined thermal experiment simulation system.

[0005] The present invention is implemented as follows: a centralized combined thermal experiment simulation system, the centralized combined thermal experiment simulation system comprising:

[0006] A parameter acquisition module, connected to the central control module, is used to acquire experimental parameters of the thermal experiment to be simulated through a parameter acquisition device;

[0007] A data preprocessing module is connected to the central control module and is used to aggregate the experimental parameters of the thermal experiment to be simulated obtained through a data preprocessing program to obtain a thermal experiment parameter set;

[0008] A central control module, connected to the parameter acquisition module, the data preprocessing module, the simulation model building module, the meshing module, and the simulation module, is used to coordinate and control the normal operation of each module of the centralized combined thermal experiment simulation system through a central processing unit;

[0009] A simulation model building module is connected to the central control module and is used to build a thermal experiment simulation model according to a thermal experiment parameter set obtained by preprocessing through a model building program;

[0010] A meshing module, connected to the central control module, is used to mesh the constructed thermal experiment simulation model through a meshing program, and decompose the solution area into an appropriate number of units;

[0011] The simulation module is connected to the central control module and is used to simulate the thermal experiment through the thermal experiment simulation model after grid division and generate a simulation report.

[0012] Furthermore, the centralized combined thermal experiment simulation system also includes:

[0013] A central control module, connected to the multi-structure measurement module, the temperature control module, the data storage module, and the update display module, is used to coordinate and control the normal operation of each module of the centralized combined thermal experiment simulation system through a central processing unit;

[0014] A multi-structure measurement module, connected to the central control module, is used to perform NTC thermistor measurement, PN junction measurement, AD590 measurement, and PT100 measurement through a variety of measurement devices;

[0015] A temperature control module, connected to the central control module, for controlling the temperature of each structure in the centralized combined thermal experiment simulation system through a temperature controller;

[0016] A data storage module is connected to the central control module and is used to store experimental parameters of the thermal experiment to be simulated, a thermal experiment parameter set, a thermal experiment simulation model, meshing information, a simulation report, multi-structure measurement results and temperature control information acquired through the memory;

[0017] The update display module is connected to the central control module and is used to update and display the real-time data of the experimental parameters of the thermal experiment to be simulated, the thermal experiment parameter set, the thermal experiment simulation model, the grid division information, the simulation report, the multi-structure measurement results and the temperature control information through the display.

[0018] Furthermore, the experimental parameters of the thermal experiment to be simulated include: geometric parameters of the experimental instrument, material properties and experimental instrument working condition information; wherein the experimental instrument includes a thermal comprehensive experiment controller, a light-transmitting vacuum tube furnace and a temperature controller.

[0019] Furthermore, the data preprocessing module aggregates the experimental parameters of the thermal experiment to be simulated obtained by the data preprocessing program, including:

[0020] Dividing the acquired experimental parameters of the thermal experiment to be simulated into a parameter file and an index file;

[0021] Scan the index file, extract the index blocks that meet the time period conditions, and sort them according to the parameter file offset recorded in the index blocks;

[0022] The parameter file is scanned in the sorted index block order, and after the parameter blocks are specified for reading and calculation, the calculation results are summarized to obtain the thermal experiment parameter set.

[0023] Furthermore, the parameter file contains parameter blocks of multiple time series.

[0024] Further, the meshing module meshes the constructed thermal experiment simulation model through a meshing program, including:

[0025] Acquire the constructed thermal experiment simulation model;

[0026] Based on the Icepak module of ANSYS Workbench finite element analysis software, the mesh unit type parameters of the thermal experiment simulation model are set using the FLUENT software mesh unit;

[0027] The constructed thermal experiment simulation model is assembled with a collection of functional modules to subdivide the grid, and set the size of the assembly transition area and the size of the assembly grid.

[0028] Furthermore, the simulation module performs the simulation of the thermal experiment by using the thermal experiment simulation model after meshing, including:

[0029] Use FLUENT software to simulate the thermal experiment process;

[0030] Compare the parameters of the FLUENT software grid unit with the preset parameters;

[0031] A three-dimensional simulation model of thermal experiments is established according to scene parameters, and the secondary development program is loaded to dynamically demonstrate the numerical simulation results through three-dimensional rendering.

[0032] Another object of the present invention is to provide a computer program product stored on a computer-readable medium, including a computer-readable program, which, when executed on an electronic device, provides a user input interface to apply the centralized combined thermal experiment simulation system.

[0033] Another object of the present invention is to provide a computer-readable storage medium storing instructions, which, when executed on a computer, enable the computer to apply the centralized combined thermal experiment simulation system.

[0034] Another object of the present invention is to provide an information data processing terminal, which is used to implement the centralized combined thermal experiment simulation system.

[0035] Combining all the above-mentioned technical solutions, the advantages and positive effects of the present invention are as follows: the centralized combined thermal experiment simulation system provided by the present invention has rich testing functions, saves time and effort, can accurately control the temperature of each structure in the centralized combined thermal experiment simulation system through a temperature controller, optimizes the design of the thermal experiment simulation system, and has strong practicality. It solves the problem that there are few simulation systems for traditional comprehensive thermal experiments, and the testing functions are relatively single, and the temperature control is not precise enough, resulting in a time-consuming and labor-intensive experimental process and the data obtained is not accurate enough. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0037] Figure 1 It is a structural block diagram of a centralized combined thermal experiment simulation system provided by an embodiment of the present invention;

[0038] In the figure: 1. Parameter acquisition module; 2. Data preprocessing module; 3. Central control module; 4. Simulation model building module; 5. Grid division module; 6. Simulation module; 7. Multi-structure measurement module; 8. Temperature control module; 9. Data storage module; 10. Update display module.

[0039] Figure 2 It is a flow chart of a centralized combined thermal experiment simulation method provided by an embodiment of the present invention.

[0040] Figure 3 It is a flow chart of a method for performing aggregation processing on experimental parameters of a thermal experiment to be simulated obtained by using a data preprocessing module and a data preprocessing program provided by an embodiment of the present invention.

[0041] Figure 4 It is a flow chart of a method for meshing a constructed thermal experiment simulation model using a meshing program through a meshing module provided by an embodiment of the present invention.

[0042] Figure 5 It is a flow chart of a method for simulating a thermal experiment by using a simulation module and a thermal experiment simulation model after grid division, provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. 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.

[0044] In view of the problems existing in the prior art, the present invention provides a centralized combined thermal experiment simulation system, which is described in detail below in conjunction with the accompanying drawings.

[0045] like Figure 1 As shown, the centralized combined thermal experiment simulation system provided by the embodiment of the present invention includes: a parameter acquisition module 1, a data preprocessing module 2, a central control module 3, a simulation model construction module 4, a grid division module 5, a simulation module 6, a multi-structure measurement module 7, a temperature control module 8, a data storage module 9, and an update display module 10.

[0046] The parameter acquisition module 1 is connected to the central control module 3 and is used to acquire the experimental parameters of the thermal experiment to be simulated through the parameter acquisition device;

[0047] The data preprocessing module 2 is connected to the central control module 3 and is used to aggregate the experimental parameters of the thermal experiment to be simulated obtained through the data preprocessing program to obtain a thermal experiment parameter set;

[0048] The central control module 3 is connected with the parameter acquisition module 1, the data preprocessing module 2, the simulation model building module 4, the meshing module 5, the simulation module 6, the multi-structure measurement module 7, the temperature control module 8, the data storage module 9, and the update display module 10, and is used to coordinate and control the normal operation of each module of the centralized combined thermal experiment simulation system through the central processing unit;

[0049] The simulation model building module 4 is connected to the central control module 3 and is used to build a thermal experiment simulation model according to the thermal experiment parameter set obtained by preprocessing through a model building program;

[0050] A meshing module 5 is connected to the central control module 3 and is used to mesh the constructed thermal experiment simulation model through a meshing program, and decompose the solution area into an appropriate number of units;

[0051] The simulation module 6 is connected to the central control module 3 and is used to simulate the thermal experiment through the thermal experiment simulation model after meshing and generate a simulation report;

[0052] A multi-structure measurement module 7 is connected to the central control module 3 and is used to perform NTC thermistor measurement, PN junction measurement, AD590 measurement and PT100 measurement through a variety of measurement devices;

[0053] A temperature control module 8, connected to the central control module 3, for controlling the temperature of each structure in the centralized combined thermal experiment simulation system through a temperature controller;

[0054] A data storage module 9 is connected to the central control module 3 and is used to store experimental parameters of a thermal experiment to be simulated, a thermal experiment parameter set, a thermal experiment simulation model, meshing information, a simulation report, multi-structure measurement results and temperature control information acquired through a memory;

[0055] The update display module 10 is connected to the central control module 3 and is used to update and display the real-time data of the experimental parameters of the thermal experiment to be simulated, the thermal experiment parameter set, the thermal experiment simulation model, the grid division information, the simulation report, the multi-structure measurement results and the temperature control information obtained through the display.

[0056] like Figure 2 As shown, the centralized combined thermal experiment simulation method provided by the embodiment of the present invention includes the following steps:

[0057] S101, obtaining experimental parameters of a thermal experiment to be simulated by using a parameter acquisition device through a parameter acquisition module; performing aggregation processing on the obtained experimental parameters of the thermal experiment to be simulated by using a data preprocessing program through a data preprocessing module to obtain a thermal experiment parameter set;

[0058] S102, using a central processing unit to coordinate and control the normal operation of each module of the centralized combined thermal experiment simulation system through a central control module; using a model construction program to construct a thermal experiment simulation model according to a thermal experiment parameter set obtained through preprocessing through a simulation model construction module;

[0059] S103, meshing the constructed thermal experiment simulation model using a meshing program through a meshing module, and decomposing the solution area into an appropriate number of units;

[0060] S104, using a simulation module to perform a simulation of a thermal experiment using the meshed thermal experiment simulation model, and generating a simulation report;

[0061] S105, using a multi-structure measurement module to use a variety of measurement devices to perform NTC thermistor measurement, PN junction measurement, AD590 measurement, and PT100 measurement; using a temperature controller through a temperature control module to perform temperature control of each structure in the centralized combined thermal experiment simulation system;

[0062] S106, using a memory to store the acquired experimental parameters of the thermal experiment to be simulated, a thermal experiment parameter set, a thermal experiment simulation model, meshing information, a simulation report, multi-structure measurement results, and temperature control information through a data storage module;

[0063] S107, updating and displaying the acquired experimental parameters of the thermal experiment to be simulated, thermal experiment parameter set, thermal experiment simulation model, meshing information, simulation report, multi-structure measurement results and real-time data of temperature control information on the display by updating the display module.

[0064] The experimental parameters of the thermal experiment to be simulated in step S101 provided in the embodiment of the present invention include: experimental instrument geometric parameters, material properties and experimental instrument working condition information; wherein the experimental instrument includes a thermal comprehensive experiment controller, a light-transmitting vacuum tube furnace and a temperature controller.

[0065] like Figure 3 As shown, the step S101 provided by the embodiment of the present invention includes: performing aggregating processing on the experimental parameters of the thermal experiment to be simulated by using a data preprocessing program through a data preprocessing module, including:

[0066] S201, dividing the acquired experimental parameters of the thermal experiment to be simulated into a parameter file and an index file;

[0067] S202, scanning the index file, extracting the index blocks that meet the time period condition, and sorting them according to the parameter file offset recorded in the index blocks;

[0068] S203, scanning the parameter file in the sorted index block order, performing designated reading and calculation on the parameter blocks, and summarizing the calculation results to obtain a thermal experiment parameter set.

[0069] The parameter file provided by the embodiment of the present invention includes parameter blocks of multiple time series.

[0070] like Figure 4 As shown, the step S103 provided by the embodiment of the present invention provides that meshing the constructed thermal experiment simulation model by using a meshing program through a meshing module includes:

[0071] S301, obtaining the constructed thermal experiment simulation model;

[0072] S302, based on the Icepak module of the finite element analysis software ANSYS Workbench, using the FLUENT software grid unit to set the grid unit type parameters of the thermal experiment simulation model;

[0073] S303, assembling the constructed thermal experiment simulation model with a collection of functional modules to subdivide the grid, and setting the size of the assembly transition region and the size of the assembly grid.

[0074] like Figure 5 As shown, the step S104 provided by the embodiment of the present invention provides a method for simulating a thermal experiment by using a simulation module using a thermal experiment simulation model after meshing, including:

[0075] S401, using FLUENT software to simulate the thermal experiment process;

[0076] S402, comparing the parameters of the FLUENT software grid unit with the preset parameters;

[0077] S403, establishing a three-dimensional simulation model of thermal experiments according to scene parameters, loading a secondary development program, and dynamically demonstrating the numerical simulation results through three-dimensional rendering.

[0078] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When the use is implemented in whole or in part in the form of a computer program product, the computer program product includes one or more computer instructions. When the computer program instructions are loaded or executed on a computer, the process or function described in the embodiment of the present invention is generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from one website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL) or wireless (e.g., infrared, wireless, microwave, etc.) mode) to another website site, computer, server or data center. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that includes one or more available media integrated. The available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium (e.g., a solid-state hard disk Solid State Disk (SSD)), etc.

[0079] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any modifications, equivalent substitutions and improvements made by any technician familiar with the technical field within the technical scope disclosed by the present invention and within the spirit and principle of the present invention should be covered by the protection scope of the present invention.

Claims

1. A centralized combined thermal experiment simulation system, characterized in that: The centralized combined thermal experiment simulation system comprises: A parameter acquisition module, connected to the central control module, is used to acquire the experimental parameters of the thermal experiment to be simulated through a parameter acquisition device; A data preprocessing module is connected to the central control module and is used to aggregate the experimental parameters of the thermal experiment to be simulated obtained through a data preprocessing program to obtain a thermal experiment parameter set; A central control module, connected to the parameter acquisition module, the data preprocessing module, the simulation model building module, the meshing module, and the simulation module, is used to coordinate and control the normal operation of each module of the centralized combined thermal experiment simulation system through a central processing unit; A simulation model building module is connected to the central control module and is used to build a thermal experiment simulation model according to a thermal experiment parameter set obtained by preprocessing through a model building program; A meshing module, connected to the central control module, is used to mesh the constructed thermal experiment simulation model through a meshing program, and decompose the solution area into an appropriate number of units; The simulation module is connected to the central control module and is used to simulate the thermal experiment through the thermal experiment simulation model after meshing and generate a simulation report; The centralized combined thermal experiment simulation system also includes: A central control module, connected to the multi-structure measurement module, the temperature control module, the data storage module, and the update display module, is used to coordinate and control the normal operation of each module of the centralized combined thermal experiment simulation system through a central processing unit; A multi-structure measurement module, connected to the central control module, is used to perform NTC thermistor measurement, PN junction measurement, AD590 measurement, and PT100 measurement through a variety of measurement devices; A temperature control module, connected to the central control module, for controlling the temperature of each structure in the centralized combined thermal experiment simulation system through a temperature controller; A data storage module is connected to the central control module and is used to store experimental parameters of the thermal experiment to be simulated, a thermal experiment parameter set, a thermal experiment simulation model, meshing information, a simulation report, multi-structure measurement results and temperature control information acquired through the memory; An update display module is connected to the central control module and is used to update and display the acquired experimental parameters of the thermal experiment to be simulated, thermal experiment parameter set, thermal experiment simulation model, meshing information, simulation report, multi-structure measurement results and real-time data of temperature control information through a display; The experimental parameters of the thermal experiment to be simulated include: experimental instrument geometric parameters, material properties and experimental instrument working condition information; wherein the experimental instrument includes a thermal comprehensive experiment controller, a light-transmitting vacuum tube furnace and a temperature controller; The data preprocessing module aggregates the experimental parameters of the thermal experiment to be simulated by the data preprocessing program, including: Dividing the acquired experimental parameters of the thermal experiment to be simulated into a parameter file and an index file; Scan the index file, extract the index blocks that meet the time period conditions, and sort them according to the parameter file offset recorded in the index blocks; Scan the parameter file in the sorted index block order, perform specified reading and calculation on the parameter block, and summarize the calculation results to obtain a thermal experiment parameter set; The parameter file contains parameter blocks of multiple time series; The meshing module meshes the constructed thermal experiment simulation model by using a meshing program, and comprises: Acquire the constructed thermal experiment simulation model; Based on the Icepak module of ANSYS Workbench finite element analysis software, the mesh unit type parameters of the thermal experiment simulation model are set using the FLUENT software mesh unit; The constructed thermal experiment simulation model is assembled with a collection of functional modules to subdivide the grid, and set the size of the assembly transition area and the size of the assembly grid.

2. The centralized combined thermal experiment simulation system according to claim 1 is characterized in that: The simulation module performs the simulation of the thermal experiment by using the thermal experiment simulation model after meshing, including: Use FLUENT software to simulate the thermal experiment process; Compare the parameters of the FLUENT software grid unit with the preset parameters; A three-dimensional simulation model of thermal experiments is established according to scene parameters, and the secondary development program is loaded to dynamically demonstrate the numerical simulation results through three-dimensional rendering.

3. A computer program product stored on a computer-readable medium, comprising a computer-readable program, which, when executed on an electronic device, provides a user input interface for applying the centralized combined thermal experiment simulation system as described in any one of claims 1 to 2.

4. A computer-readable storage medium storing instructions, which, when executed on a computer, enables the computer to apply the centralized combined thermal experiment simulation system as claimed in any one of claims 1 to 2.

5. An information data processing terminal, characterized in that: The information data processing terminal is used to implement the centralized combined thermal experiment simulation system as described in any one of claims 1 to 2.