CN114692340A - Temperature field simulation method and system for power distribution cabinet model - Google Patents
Temperature field simulation method and system for power distribution cabinet model Download PDFInfo
- Publication number
- CN114692340A CN114692340A CN202210414445.9A CN202210414445A CN114692340A CN 114692340 A CN114692340 A CN 114692340A CN 202210414445 A CN202210414445 A CN 202210414445A CN 114692340 A CN114692340 A CN 114692340A
- Authority
- CN
- China
- Prior art keywords
- model
- power distribution
- distribution cabinet
- software
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009826 distribution Methods 0.000 title claims abstract description 79
- 238000004088 simulation Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 238000004364 calculation method Methods 0.000 claims abstract description 20
- 238000013461 design Methods 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 26
- 238000012805 post-processing Methods 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/08—Fluids
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/08—Thermal analysis or thermal optimisation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a temperature field simulation method and system of a power distribution cabinet model, and belongs to the technical field of simulation control. The method comprises the steps of simplifying a model after a power distribution cabinet model is built, and then setting parameters and dividing and calculating grids of the model; observing the temperature of parts and air in the cabinet and the air flowing condition; setting the positions and parameters of the fan and the heat dissipation holes and the positions of the parts according to the observed results; and repeatedly calculating the model and adjusting the fan, the heat dissipation hole and the parts to enable the temperature in the power distribution cabinet to reach the design standard. The simulation of the temperature field is put into the physical design stage of the power distribution cabinet, the power distribution cabinet can meet the design requirements by adjusting the fan, the heat dissipation holes and the parts, the design speed is high, the calculation is accurate, the operation is simple and convenient, meanwhile, the power distribution cabinet with more reasonable arrangement can be designed, the fan and the heat dissipation holes are reasonably selected, and the manufacturing cost is reduced.
Description
Technical Field
The invention belongs to the technical field of simulation control, and particularly relates to a temperature field simulation method and system for a power distribution cabinet model.
Background
The power distribution cabinet is important equipment in the power industry, is an indispensable part for normal operation of the whole power system and a power grid, and makes an important contribution to the development of national economy. Although the power distribution cabinet in recent years in China is developed quickly and the technology is continuously innovated, the development still has some serious problems, for example, the fault rate, the service life and the performance of the power distribution cabinet are possibly influenced by the temperature in the cabinet when the power distribution cabinet works. Indirectly affecting local power quality and economic development.
When the switch board design production, traditional temperature-detecting method is artifical the detection, with temperature measurement instrument measurement cabinet in operating temperature during switch board production, lead to spending a large amount of measuring time and expenses like this, in case find the switch board in the during operation cabinet temperature on the high side not conform to the requirement, just need design the switch board again, and probably avoid the high temperature during the design, can increase more fan, lead to the manufacturing cost of switch board to increase like this. Such repeated production processes ultimately result in high costs of time and money spent in production, which is not simple and convenient enough.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a temperature field simulation method and system of a power distribution cabinet model, the simulation of a temperature field is put into the physical design stage of the power distribution cabinet, the design of the power distribution cabinet is more reasonable through continuously repeated simulation calculation and adjustment of fans and parts, the design and production cost is reduced, and the operation is simple and convenient.
According to one aspect of the invention, the invention provides a temperature field simulation method of a power distribution cabinet model, which comprises the following steps:
1) building a power distribution cabinet model in three-dimensional mechanical design software;
2) importing the built power distribution cabinet model into three-dimensional entity modeling software;
3) automatically simplifying the model in the three-dimensional solid modeling software according to the use rule of the electronic product thermal analysis software;
4) importing the simplified model into electronic product thermal analysis software, and setting materials, heat productivity and working environment variables of parts and frames in the model;
5) carrying out mesh division on the model, and checking the mesh quality;
6) calling a software package in the electronic product thermal analysis software to perform thermal simulation calculation on the model;
7) acquiring the temperature of parts and air in the cabinet and the air flow condition by utilizing a post-processing tool in the electronic product thermal analysis software;
8) setting the positions and parameters of the fan and the heat dissipation holes according to the obtained result, and adjusting the positions of the parts;
9) and repeating the steps 5), 6), 7) and 8), continuously adjusting the fan, the heat dissipation holes and the parts, so that the temperature in the cabinet of the power distribution cabinet reaches the design standard.
Preferably, the three-dimensional mechanical design software is SolidWorks software, the three-dimensional solid modeling software is SpaceClaim software, and the electronic product thermal analysis software is Icepak software; the software package is a Fluent software package and comprises a plurality of solvers, and the solvers in the Fluent software package are called when the Icepak software is used for calculating.
Preferably, the step 1) of building a power distribution cabinet model in three-dimensional mechanical design software comprises:
the method comprises the steps of obtaining the frame size and material attributes of a heating component and a power distribution cabinet, and establishing a simple model according to the frame size and material attributes of the heating component and the power distribution cabinet, wherein the heating component comprises a universal circuit breaker, a plastic shell type circuit breaker, a horizontal copper busbar and a vertical copper bar.
Preferably, the step 4) comprises:
4.1) obtaining the heating value and material attribute of the selected heating element according to the model of the selected heating element, and obtaining parameters such as temperature, altitude and the like according to the actual working environment of the power distribution cabinet;
and 4.2) setting the materials and the heat productivity of the parts and the framework and working environment variables according to the acquired data.
Preferably, the step 5) comprises:
and after the model is subjected to meshing, the quality of the meshes is checked, whether the meshes on the parts are uniform or not is checked, and whether all the parts are drawn with the meshes or not is checked.
Preferably, said step 7) comprises:
the temperature field and the air flow condition in the power distribution cabinet acquired by the post-processing tool of the electronic product thermal analysis software comprise the air flow speed and the air direction, and the surface temperature of the heating element, the arbitrary plane temperature of the power distribution cabinet and the temperature of any point are displayed in the temperature field.
Preferably, the step 8) includes:
setting fan attributes based on the displayed temperature field, air flow speed and direction, including: setting the size, position, type and speed of the fan; setting the positions of the heat dissipation holes and the parts according to the obtained result, comprising the following steps: the size and the installation position of the heat dissipation holes are set, and the layout of parts in the cabinet is adjusted.
According to another aspect of the invention, the invention also provides a temperature field simulation system of the power distribution cabinet model, which comprises a modeling module, a setting module, a simulation module and an adjusting module;
the modeling module is configured to:
building a power distribution cabinet model in three-dimensional mechanical design software;
importing the built power distribution cabinet model into three-dimensional entity modeling software;
automatically simplifying the model in the three-dimensional solid modeling software according to the use rule of the electronic product thermal analysis software;
the setting module is used for:
importing the simplified model into electronic product thermal analysis software, and setting materials, heat productivity and working environment variables of parts and frames in the model;
carrying out mesh division on the model, and checking the mesh quality;
the simulation module is used for:
calling a software package in the electronic product thermal analysis software to perform thermal simulation calculation on the model;
acquiring the temperature of parts and air in the cabinet and the air flow condition by utilizing a post-processing tool in the electronic product thermal analysis software;
the adjustment module is configured to:
setting the positions and parameters of the fan and the heat dissipation holes according to the obtained result, and adjusting the positions of the parts;
constantly adjust fan, louvre and spare part, make the interior temperature of cabinet of switch board reaches the design standard.
Preferably, the setting module is configured to:
obtaining the calorific value and material attribute of the selected heating element according to the model of the selected heating element, and obtaining parameters such as temperature, altitude and the like according to the actual working environment of the power distribution cabinet;
and setting the materials and the heat productivity of the parts and the frame and working environment variables according to the acquired data.
Preferably, the adjusting module is configured to:
setting fan attributes based on the displayed temperature field, air flow speed and direction, including: setting the size, position, type and speed of the fan; setting the positions of the heat dissipation holes and the parts according to the obtained result, comprising the following steps: the size and the installation position of the heat dissipation holes are set, and the layout of parts in the cabinet is adjusted.
Has the advantages that: the temperature field simulation method and the system of the power distribution cabinet model provided by the invention adopt the model which is a suggested model established after the physical design of the power distribution cabinet, only a main body frame, a shell and main internal heating components are required to be established, the time and the cost are less, the model is observed through the parameter attribute setting, the grid division, the calculation and the post-processing of the power distribution cabinet, the temperature of any point and the air flow direction and the size in the cabinet can be obtained, the cost for manually measuring the temperature is reduced, once the overhigh temperature in the cabinet is found, the fan and the heat dissipation holes can be flexibly added in the Icepak software, the position, the size and the wind speed of the fan and the size and the position of the heat dissipation holes can be set, the layout in the model cabinet can be adjusted, the temperature in the cabinet conforms to the production application, the operation is simple, the time spent is short, the labor intensity can be greatly reduced, and the fan and the heat dissipation holes can be reasonably selected and used to further reduce the production cost.
The features and advantages of the present invention will become apparent by reference to the following drawings and detailed description of specific embodiments of the invention.
Drawings
FIG. 1 is a flow chart of a temperature field simulation method of a power distribution cabinet model of the present invention;
FIG. 2 is a front view of a power distribution cabinet model in the SolidWorks software according to the present invention;
FIG. 3 is a model front view of the power distribution cabinet simplified by SpaceClaim software according to the present invention;
fig. 4 is a grid division of the circuit breakers of the present invention;
FIG. 5 is a graph of the convergence of the calculated curves according to the present invention;
FIG. 6 is a graph of the X-Z plane temperature of the present invention;
fig. 7 is a surface temperature diagram of the universal circuit breaker according to the present invention;
FIG. 8 is a view of the X-Y plane air flow within the cabinet of the present invention;
fig. 9 is a schematic structural view of a temperature field simulation system of a power distribution cabinet model according to the present invention.
In the figure: 1-universal circuit breaker; 2-horizontal copper busbar; 3-plastic case circuit breakers; 4-copper bars at the vertical wire inlet end and the wire outlet end; 5-main cabinet frame of the power distribution cabinet; 6-a fan.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Fig. 1 is a flow chart of a temperature field simulation method of a power distribution cabinet model of the present invention. As shown in fig. 1, the present invention provides a method for simulating a temperature field of a power distribution cabinet model, which comprises the following steps:
1) building a power distribution cabinet model in three-dimensional mechanical design software;
2) importing the built power distribution cabinet model into three-dimensional entity modeling software;
3) automatically simplifying the model in the three-dimensional solid modeling software according to the use rule of the electronic product thermal analysis software;
4) importing the simplified model into electronic product thermal analysis software, and setting materials, heat productivity and working environment variables of parts and frames in the model;
5) carrying out mesh division on the model, and checking the mesh quality;
6) calling a software package in the electronic product thermal analysis software to perform thermal simulation calculation on the model;
7) acquiring the temperature of parts and air in the cabinet and the air flow condition by utilizing a post-processing tool in the electronic product thermal analysis software;
8) setting the positions and parameters of the fan and the heat dissipation holes according to the obtained result, and adjusting the positions of the parts;
9) and repeating the steps 5), 6), 7) and 8), continuously adjusting the fan, the heat dissipation holes and the parts, so that the temperature in the cabinet of the power distribution cabinet reaches the design standard.
Preferably, the three-dimensional mechanical design software is SolidWorks software, the three-dimensional solid modeling software is SpaceClaim software, and the electronic product thermal analysis software is Icepak software; the software package is a Fluent software package and comprises a plurality of solvers, and the solvers in the Fluent software package are called when the Icepak software is used for calculating.
Preferably, the step 1) of building the power distribution cabinet model in the three-dimensional mechanical design software comprises:
the method comprises the steps of obtaining the frame size and material attributes of a heating component and a power distribution cabinet, and establishing a simple model according to the frame size and material attributes of the heating component and the power distribution cabinet, wherein the heating component comprises a universal circuit breaker, a plastic shell type circuit breaker, a horizontal copper busbar and a vertical copper bar.
Preferably, the step 4) comprises:
4.1) obtaining the heating value and material attribute of the selected heating element according to the model of the selected heating element, and obtaining parameters such as temperature, altitude and the like according to the actual working environment of the power distribution cabinet;
and 4.2) setting the materials and the heat productivity of the parts and the framework and working environment variables according to the acquired data.
Preferably, the step 5) comprises:
and after the model is subjected to meshing, the quality of the meshes is checked, whether the meshes on the parts are uniform or not is checked, and whether all the parts are drawn with the meshes or not is checked.
Preferably, said step 7) comprises:
the temperature field and the air flow condition in the power distribution cabinet acquired by the post-processing tool of the electronic product thermal analysis software comprise the air flow speed and the air direction, and the surface temperature of the heating element, the arbitrary plane temperature of the power distribution cabinet and the temperature of any point are displayed in the temperature field.
Preferably, the step 8) includes:
setting fan attributes based on the displayed temperature field, air flow speed and direction, including: setting the size, position, type and speed of the fan; setting the positions of the heat dissipation holes and the parts according to the obtained result, comprising the following steps: the size and the installation position of the heat dissipation holes are set, and the layout of parts in the cabinet is adjusted.
A specific implementation is given below in conjunction with fig. 2-8, and includes the following steps:
1. establish simple and easy model in SolidWorks software according to switch board physical design, mainly include switch board main body frame and main heating element spare, for example: various circuit breakers and horizontal and vertical copper bars. The model of the power distribution cabinet in SolidWorks software is shown in a front view in FIG. 2.
2. The model is imported into SpaceClaim software for simplification, the whole power distribution cabinet model is framed and selected for simulation simplification in a Workbench working column, an Icepak software mode display model is selected, the simplified power distribution cabinet model can be seen, and the power distribution cabinet model is shown in a front view of the power distribution cabinet model simplified through the SpaceClaim software in fig. 3.
3. The simplified model is led into the Icepak software, the heat productivity and the material property of the heating element are determined and set according to the signal and the size of the heating element selected during physical design, the heat productivity generally needs to set the total heat productivity or the heating power of a single element, the material property generally needs to set the density, the specific heat, the radiation, the conductivity, the conducting mode and the like, and the working environment also needs to be set, and the method comprises the following steps: ambient temperature, altitude and flow layer conditions.
4. After the parameters are set, the model is subjected to grid division, for example, a breaker grid division diagram shown in fig. 4, because the model is a simple model, a default grid division mode can be adopted, and calculation according to the temperature and the wind speed is further selected.
5. Each time of calculation is short, generally 20-30 minutes, during calculation, Fluent is called to perform calculation in the background, a command window and a calculation curve pop up, and after the calculation curve is converged, calculation can be finished by pausing the calculation as shown in a calculation curve convergence diagram shown in fig. 5.
6. The post-processing tool that can utilize Icepak software carries out the observation of temperature field after the calculation, has three kinds of different modes of looking over, includes: plane temperature, component surface temperature, observation point temperature. The method comprises the following steps:
(1) the temperature of any plane in X-Y, X-Z and Y-Z can be observed according to the section temperature, the position can be adjusted at will by using the sliding block, and the temperature can be displayed by clicking any position of the plane by using a mouse, such as an X-Z plane temperature chart shown in figure 6;
(2) the surface temperature of the components can be observed through the selected components, and the temperature can be displayed by clicking with a mouse, such as a surface temperature diagram of the universal circuit breaker shown in fig. 7;
(3) the temperature of the observation point is positioned according to the three-dimensional coordinate, the temperature of any point can be obtained, the obtained result can be displayed in a document form, and recording and later comparison are convenient.
Furthermore, the post-processing tool can be used to add a marking factor to clearly observe the air flow direction and size of any plane in the cabinet, such as the X-Y plane air flow situation diagram in fig. 8.
7. According to the step 6, the temperature and the air flow condition in the cabinet can be observed, the fan and the heat dissipation holes of the power distribution cabinet can be set by utilizing an Icepak software with a modeling tool, the shape, the size, the air quantity, the air speed and the installation position of the fan are generally considered, the size and the installation position of the heat dissipation holes are considered, the placement positions of internal components can be adjusted, or the layout in the cabinet is planned again in SolidWorks software.
8. And (5) repeating the steps of 5, 6 and 7, and continuously optimizing the layout of the power distribution cabinet and the use of the fans and the heat dissipation holes. According to repeated optimization and adjustment, under the condition that no heat dissipation holes are arranged, the placing positions of the fans are arranged in an X-Z plane temperature diagram as shown in fig. 6, the fans below are arranged to blow inwards, and the fans above are arranged to blow outwards, so that heat dissipation of the power distribution cabinet is facilitated, and the fans can be fully and reasonably utilized.
The temperature field simulation method and system for the power distribution cabinet model provided by the embodiment adopts the model which is a suggested model established after the physical design of the power distribution cabinet, only needs to establish a main body frame, a shell and main internal heating components, costs less time and cost, and performs parameter attribute setting, grid division, calculation and post-processing observation on the model through the power distribution cabinet, the temperature of any point and the air flow direction and the size in the cabinet can be obtained, the cost for manually measuring the temperature is reduced, once the overhigh temperature in the cabinet is found, the fan and the heat dissipation holes can be flexibly added in the Icepak software, the position, the size and the wind speed of the fan and the size and the position of the heat dissipation holes can be set, the layout in the model cabinet can be adjusted, the temperature in the cabinet conforms to the production application, the operation is simple, the time spent is short, the labor intensity can be greatly reduced, and the fan and the heat dissipation holes can be reasonably selected and used to further reduce the production cost.
Example 2
Fig. 9 is a schematic structural view of a temperature field simulation system of a power distribution cabinet model according to the present invention. As shown in fig. 9, the invention further provides a temperature field simulation system of a power distribution cabinet model, where the system includes a modeling module 901, a setting module 902, a simulation module 903, and an adjusting module 904;
the modeling module 901 is configured to:
building a power distribution cabinet model in three-dimensional mechanical design software;
importing the built power distribution cabinet model into three-dimensional entity modeling software;
automatically simplifying the model in the three-dimensional solid modeling software according to the use rule of the electronic product thermal analysis software;
the setup module 902 is configured to:
importing the simplified model into electronic product thermal analysis software, and setting materials, heat productivity and working environment variables of parts and frames in the model;
carrying out mesh division on the model, and checking the mesh quality;
the simulation module 903 is configured to:
calling a software package in the electronic product thermal analysis software to perform thermal simulation calculation on the model;
acquiring the temperature of parts and air in the cabinet and the air flow condition by utilizing a post-processing tool in the electronic product thermal analysis software;
the adjusting module 904 is configured to:
setting the positions and parameters of the fan and the heat dissipation holes according to the obtained result, and adjusting the positions of the parts;
constantly adjust fan, louvre and spare part, make the interior temperature of cabinet of switch board reaches the design standard.
Preferably, the setting module 902 is configured to:
obtaining the calorific value and material attribute of the selected heating component according to the model of the selected heating component, and obtaining parameters such as temperature, altitude and the like according to the actual working environment of the power distribution cabinet;
and setting the materials and the heat productivity of the parts and the frame and working environment variables according to the acquired data.
Preferably, the adjusting module 904 is configured to:
setting fan attributes based on the displayed temperature field, air flow speed and direction, including: setting the size, position, type and speed of the fan; setting the positions of the heat dissipation holes and the parts according to the obtained result, comprising the following steps: the size and the installation position of the heat dissipation holes are set, and the layout of parts in the cabinet is adjusted.
The specific implementation process of the functions implemented by the modules in this embodiment 2 is the same as the implementation process of the steps in embodiment 1, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A temperature field simulation method of a power distribution cabinet model is characterized by comprising the following steps:
1) building a power distribution cabinet model in three-dimensional mechanical design software;
2) importing the built power distribution cabinet model into three-dimensional entity modeling software;
3) automatically simplifying the model in the three-dimensional solid modeling software according to the use rule of the electronic product thermal analysis software;
4) importing the simplified model into electronic product thermal analysis software, and setting materials, heat productivity and working environment variables of parts and frames in the model;
5) carrying out mesh division on the model, and checking the mesh quality;
6) calling a software package in the electronic product thermal analysis software to perform thermal simulation calculation on the model;
7) acquiring the temperature of parts and air in the cabinet and the air flow condition by utilizing a post-processing tool in the electronic product thermal analysis software;
8) setting the positions and parameters of the fan and the heat dissipation holes according to the obtained result, and adjusting the positions of the parts;
9) and repeating the steps 5), 6), 7) and 8), continuously adjusting the fan, the heat dissipation holes and the parts, so that the temperature in the cabinet of the power distribution cabinet reaches the design standard.
2. The method of claim 1, wherein the three-dimensional machine design software is SolidWorks software, the three-dimensional solid modeling software is SpaceClaim software, and the electronic product thermal analysis software is Icepak software; the software package is a Fluent software package and comprises a plurality of solvers, and the solvers in the Fluent software package are called when the Icepak software is used for calculating.
3. The method according to claim 1, wherein the step 1) of building a power distribution cabinet model in three-dimensional mechanical design software comprises the following steps:
the method comprises the steps of obtaining the frame size and material attributes of a heating component and a power distribution cabinet, and establishing a simple model according to the frame size and material attributes of the heating component and the power distribution cabinet, wherein the heating component comprises a universal circuit breaker, a plastic shell type circuit breaker, a horizontal copper busbar and a vertical copper bar.
4. The method according to claim 1, wherein the step 4) comprises:
4.1) obtaining the heating value and the material attribute of the selected heating component according to the model of the selected heating component, and obtaining parameters such as temperature, altitude and the like according to the actual working environment of the power distribution cabinet;
and 4.2) setting the materials and the heat productivity of the parts and the framework and working environment variables according to the acquired data.
5. The method of claim 1, wherein said step 5) comprises:
and after the model is subjected to meshing, the quality of the meshes is checked, whether the meshes on the parts are uniform or not is checked, and whether all the parts are drawn with the meshes or not is checked.
6. The method of claim 1, wherein said step 7) comprises:
the temperature field and the air flow condition in the power distribution cabinet acquired by the post-processing tool of the electronic product thermal analysis software comprise the air flow speed and the air direction, and the surface temperature of the heating element, the arbitrary plane temperature of the power distribution cabinet and the temperature of any point are displayed in the temperature field.
7. The method according to claim 6, wherein the step 8) comprises:
setting fan attributes based on the displayed temperature field, air flow speed and direction, including: setting the size, position, type and speed of the fan; setting the positions of the heat dissipation holes and the parts according to the obtained result, comprising the following steps: the size and the installation position of the heat dissipation holes are set, and the layout of parts in the cabinet is adjusted.
8. A temperature field simulation system of a power distribution cabinet model is characterized by comprising a modeling module, a setting module, a simulation module and an adjusting module;
the modeling module is to:
building a power distribution cabinet model in three-dimensional mechanical design software;
importing the built power distribution cabinet model into three-dimensional entity modeling software;
automatically simplifying the model in the three-dimensional solid modeling software according to the use rule of the electronic product thermal analysis software;
the setting module is used for:
importing the simplified model into electronic product thermal analysis software, and setting materials, heat productivity and working environment variables of parts and frames in the model;
carrying out mesh division on the model, and checking the mesh quality;
the simulation module is used for:
calling a software package in the electronic product thermal analysis software to perform thermal simulation calculation on the model;
acquiring the temperature of parts and air in the cabinet and the air flow condition by utilizing a post-processing tool in the electronic product thermal analysis software;
the adjustment module is configured to:
setting the positions and parameters of the fan and the heat dissipation holes according to the obtained result, and adjusting the positions of the parts;
constantly adjust fan, louvre and spare part, make the temperature reaches the design standard in the cabinet of switch board.
9. The system of claim 8, wherein the setup module is to:
obtaining the calorific value and material attribute of the selected heating component according to the model of the selected heating component, and obtaining parameters such as temperature, altitude and the like according to the actual working environment of the power distribution cabinet;
and setting the materials and the heat productivity of the parts and the frame and working environment variables according to the acquired data.
10. The system of claim 8, wherein the adjustment module is configured to:
setting fan attributes based on the displayed temperature field, air flow speed and direction, including: setting the size, position, type and speed of the fan; setting the positions of the heat dissipation holes and the parts according to the obtained result, comprising the following steps: the size and the installation position of the heat dissipation holes are set, and the layout of parts in the cabinet is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414445.9A CN114692340A (en) | 2022-04-20 | 2022-04-20 | Temperature field simulation method and system for power distribution cabinet model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210414445.9A CN114692340A (en) | 2022-04-20 | 2022-04-20 | Temperature field simulation method and system for power distribution cabinet model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114692340A true CN114692340A (en) | 2022-07-01 |
Family
ID=82143489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210414445.9A Pending CN114692340A (en) | 2022-04-20 | 2022-04-20 | Temperature field simulation method and system for power distribution cabinet model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114692340A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510229A (en) * | 2009-03-20 | 2009-08-19 | 西安电子科技大学 | Electronic apparatus cabinet optimum structure design method based on electricity, machine and thermal three-field coupling |
| CN104217061A (en) * | 2014-07-08 | 2014-12-17 | 国家电网公司 | Temperature field simulation design method for low-voltage distribution cabinet |
| CN105740493A (en) * | 2014-12-12 | 2016-07-06 | 鸿富锦精密工业(武汉)有限公司 | Simulation model and simulation method for obtaining cooling flow of expansion card |
| CN110764470A (en) * | 2019-08-31 | 2020-02-07 | 华南理工大学 | 10kV power distribution room temperature and humidity sensor optimized point distribution method |
| CN113779689A (en) * | 2021-11-11 | 2021-12-10 | 军事科学院系统工程研究院网络信息研究所 | Data center machine room equipment layout method based on hydrodynamics simulation |
-
2022
- 2022-04-20 CN CN202210414445.9A patent/CN114692340A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510229A (en) * | 2009-03-20 | 2009-08-19 | 西安电子科技大学 | Electronic apparatus cabinet optimum structure design method based on electricity, machine and thermal three-field coupling |
| CN104217061A (en) * | 2014-07-08 | 2014-12-17 | 国家电网公司 | Temperature field simulation design method for low-voltage distribution cabinet |
| CN105740493A (en) * | 2014-12-12 | 2016-07-06 | 鸿富锦精密工业(武汉)有限公司 | Simulation model and simulation method for obtaining cooling flow of expansion card |
| CN110764470A (en) * | 2019-08-31 | 2020-02-07 | 华南理工大学 | 10kV power distribution room temperature and humidity sensor optimized point distribution method |
| CN113779689A (en) * | 2021-11-11 | 2021-12-10 | 军事科学院系统工程研究院网络信息研究所 | Data center machine room equipment layout method based on hydrodynamics simulation |
Non-Patent Citations (1)
| Title |
|---|
| 曹萍: "配电柜的温度场仿真及优化设计", 《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112084675A (en) | Construction method and device of digital twin body of GIS equipment and storage medium | |
| CN103699744B (en) | Wind power master control cabinet heat management analysis and optimization method based on finite element method | |
| CN110889238A (en) | Autoclave management and control system driven by digital twin | |
| CN104462700A (en) | Electronic product reliability simulation test method based on physics of failure | |
| CN104424374A (en) | Calibration method and system of thermal simulation model of circuit board | |
| CN110489875A (en) | A kind of air-conditioner air outlet layout design method | |
| CN115544957A (en) | Board-level heat dissipation simulation method, system and medium | |
| CN112464542A (en) | Method for calculating equivalent thermal conductivity of electronic packaging device | |
| CN110764470A (en) | 10kV power distribution room temperature and humidity sensor optimized point distribution method | |
| CN114239442A (en) | Method, system, medium and device suitable for PCB hot spot investigation and heat dissipation simulation | |
| CN103308340A (en) | Thermal test method and device of equipment compartment of stratospheric aerostat | |
| CN114692340A (en) | Temperature field simulation method and system for power distribution cabinet model | |
| CN113591173B (en) | Data visualization interaction method for digital twin body of multi-energy system | |
| CN104950261B (en) | The hardware-in-the-loop test method and system of battery | |
| CN113591361A (en) | Aviation oven control sensor positioning method, device, equipment and medium | |
| CN105335581A (en) | Optimization method of airplane wiring harness mass distribution data | |
| CN111625906B (en) | Method for selecting fan type in power battery air cooling system by combining test and simulation | |
| CN106992516A (en) | The method that probability air extract is obtained with Density Estimator is simulated based on quasi-Monte Carlo | |
| CN107947163A (en) | On coal unit varying duty performance evaluation methodology and its system | |
| CN208999517U (en) | A kind of DCS cabinet fuse test device | |
| CN101477582B (en) | Model modification method for a semiconductor device | |
| CN115291074A (en) | Online monitoring method for faults of solder layer of IGBT chip | |
| CN113536640B (en) | Optimization design method for internal flow channel structure of air distributor based on orthogonal test | |
| CN117172184A (en) | Method, apparatus, device, storage medium and program product for generating printed circuit board layout | |
| CN105514981B (en) | A kind of photovoltaic DC-to-AC converter on-position optimization method based on BIM |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220701 |
|
| RJ01 | Rejection of invention patent application after publication |