矿井供电辅助设计系统的研究与应用
发布时间：2018-10-14 16:42
【摘要】：矿井供电的特殊性决定了供电系统必须合理准确，以便保证矿井的安全生产。矿井生产规模增大造成矿井供电系统日益复杂，，设计计算工作量大。当矿井供电系统发生变化时，还需重新进行供电设计。因此设计开发一款有助于减轻矿井供电设计工程师工作负担、提升工作效率、提高供电设计准确性的系统具有十分重要的意义。经文献查证，矿井供电辅助设计方案共有四种，分别是基于Excel的供电辅助设计方法、基于GIS平台的供电辅助设计系统、基于AutoCAD平台的供电辅助设计系统和基于Web的在线矿井供电设计软件。以上方法都可以满足矿井供电设计计算的基础需求，但在软件的操作便捷性、界面美观性无法令人满意。 经过综合对比矿井供电辅助设计系统的四种开发方案，本系统选择在AutoCAD平台上进行开发工作。本文综合对比了AutoCAD的四种二次开发工具：Autolisp、ObjectArx、VBA及.NET的优缺点，最终选用了更加适合系统开发的.NET二次开发工具。 本供电辅助设计系统从实际矿井供电设计计算流程出发，目的在于设计开发一款能够辅助矿井供电设计计算、操作便捷和界面美观的系统。本系统引入了功能模块独立和图形数据分离的设计思路，将矿井供电设计计算的8个流程分到三个功能层：矿井供电系统图绘制层、数据支持层和矿井供电辅助设计层。矿井供电系统图绘制层的目的是辅助供电设计工程师绘制矿井供电系统图。工程师可以使用本功能层中的矿井电气图专用符号工具栏，向AutoCAD工作空间插入设备图元，之后建立设备图元之间电气连接，并双击设备图元显示窗体。数据支持层采用了以SQL Server关系数据库为中心的数据库建设方案。数据支持层包含两个数据库，分别是设备数据库存储矿井常用设备的参数信息，graduate数据库存储设备图元插入坐标、电气节点坐标、方案号、元件编号、元件库名称、设备图元参数及计算结果等信息。此外，数据支持还包括了设备参数输入窗体和设备选型与校验窗体，窗体程序可以完成供电设计所需的计算流程。矿井供电辅助设计层包含短路点位置选择、短路电流计算和整定计算报告输出功能。矿井保护装置的整定按设备安装处最大三相短路电流及保护线缆末端最小两项短路电流，因而提供了短路点位置选择功能。供电设计员工可以在矿用隔爆电动机图元、矿用隔爆移动变电站图元和矿用隔爆高压真空配电箱图元处选择放置短路点，之后进行短路电流计算。本功能层包含了整定计算报告输出功能，其原理是建立输出模板并插入书签，数据库数据按照书签位置插入内容即可完成报告输出功能。为了验证本系统的实用性如何，本文对某矿井综采面供电系统进行了设计计算，结果表明矿井供电辅助设计系统计算准确，能够满足矿井供电设计的需要。
[Abstract]:The particularity of mine power supply determines that the power supply system must be reasonable and accurate in order to ensure the safety of mine production. The increasing scale of mine production makes the power supply system of mine more complex and the workload of design and calculation is large. When the mine power supply system changes, it is necessary to redesign the power supply design. Therefore, it is of great significance to design and develop a system which is helpful to lighten the work burden of mine power supply design engineers, improve working efficiency and improve the accuracy of power supply design. According to the literature review, there are four kinds of auxiliary design schemes for mine power supply. They are the power supply assistant design method based on Excel and the power supply assistant design system based on GIS platform. Power supply aided design system based on AutoCAD platform and online mine power supply design software based on Web. The above methods can meet the basic requirements of mine power supply design and calculation, but the operation convenience and interface aesthetics of the software are not satisfactory. After comprehensive comparison of four development schemes of auxiliary design system for mine power supply, the system is selected to develop on AutoCAD platform. This paper comprehensively compares the advantages and disadvantages of four secondary development tools of AutoCAD: Autolisp,ObjectArx,VBA and .NET, and finally selects the .NET secondary development tool which is more suitable for system development. The power supply aided design system is based on the actual mine power supply design calculation flow. The purpose of the system is to design and develop a system that can assist mine power supply design calculation, convenient operation and beautiful interface. This system introduces the design idea of function module independence and graph data separation. Eight processes of mine power supply design and calculation are divided into three functional layers: the drawing layer of mine power supply system, the data support layer and the auxiliary design layer of mine power supply. The purpose of the drawing layer of the power supply system is to assist the power supply design engineer to draw the map of the power supply system of the mine. The engineer can insert the device element into the AutoCAD workspace by using the special symbol toolbar of the mine electrical drawing in this function layer, then establish the electrical connection between the equipment drawing elements, and double-click the display form of the equipment element. The data support layer adopts the database construction scheme centered on SQL Server relational database. The data support layer contains two databases, one is the equipment database to store the parameter information of the commonly used equipment in mine, the other is the graduate database to store the drawing element insertion coordinate, electric node coordinate, scheme number, element number, component library name, Equipment element parameters and calculation results and other information. In addition, the data support also includes the input form of equipment parameters and the form of equipment selection and verification. The form program can complete the calculation flow required for power supply design. The auxiliary design layer of mine power supply includes short circuit location selection, short circuit current calculation and setting calculation report output function. The setting of mine protection device is based on the maximum three-phase short-circuit current at the installation of the equipment and the minimum of two short-circuit currents at the end of the protective cable, so the function of selecting the location of the short-circuit point is provided. Power supply design staff can choose to place short-circuit points at the drawing elements of mine flameproof motor, mine flameproof mobile substation and mine flameproof high-voltage vacuum distribution box, and then calculate the short-circuit current. The function layer includes the function of setting up calculation report output. Its principle is to set up the output template and insert bookmarks, and the database data can complete the report output function by inserting the contents according to the bookmark location. In order to verify the practicability of the system, this paper designs and calculates the power supply system of a fully mechanized mining face in a mine. The results show that the calculation of the auxiliary design system for mine power supply is accurate and can meet the needs of the power supply design of the mine.
【学位授予单位】：太原理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD611
本文编号：2271022
[Abstract]:The particularity of mine power supply determines that the power supply system must be reasonable and accurate in order to ensure the safety of mine production. The increasing scale of mine production makes the power supply system of mine more complex and the workload of design and calculation is large. When the mine power supply system changes, it is necessary to redesign the power supply design. Therefore, it is of great significance to design and develop a system which is helpful to lighten the work burden of mine power supply design engineers, improve working efficiency and improve the accuracy of power supply design. According to the literature review, there are four kinds of auxiliary design schemes for mine power supply. They are the power supply assistant design method based on Excel and the power supply assistant design system based on GIS platform. Power supply aided design system based on AutoCAD platform and online mine power supply design software based on Web. The above methods can meet the basic requirements of mine power supply design and calculation, but the operation convenience and interface aesthetics of the software are not satisfactory. After comprehensive comparison of four development schemes of auxiliary design system for mine power supply, the system is selected to develop on AutoCAD platform. This paper comprehensively compares the advantages and disadvantages of four secondary development tools of AutoCAD: Autolisp,ObjectArx,VBA and .NET, and finally selects the .NET secondary development tool which is more suitable for system development. The power supply aided design system is based on the actual mine power supply design calculation flow. The purpose of the system is to design and develop a system that can assist mine power supply design calculation, convenient operation and beautiful interface. This system introduces the design idea of function module independence and graph data separation. Eight processes of mine power supply design and calculation are divided into three functional layers: the drawing layer of mine power supply system, the data support layer and the auxiliary design layer of mine power supply. The purpose of the drawing layer of the power supply system is to assist the power supply design engineer to draw the map of the power supply system of the mine. The engineer can insert the device element into the AutoCAD workspace by using the special symbol toolbar of the mine electrical drawing in this function layer, then establish the electrical connection between the equipment drawing elements, and double-click the display form of the equipment element. The data support layer adopts the database construction scheme centered on SQL Server relational database. The data support layer contains two databases, one is the equipment database to store the parameter information of the commonly used equipment in mine, the other is the graduate database to store the drawing element insertion coordinate, electric node coordinate, scheme number, element number, component library name, Equipment element parameters and calculation results and other information. In addition, the data support also includes the input form of equipment parameters and the form of equipment selection and verification. The form program can complete the calculation flow required for power supply design. The auxiliary design layer of mine power supply includes short circuit location selection, short circuit current calculation and setting calculation report output function. The setting of mine protection device is based on the maximum three-phase short-circuit current at the installation of the equipment and the minimum of two short-circuit currents at the end of the protective cable, so the function of selecting the location of the short-circuit point is provided. Power supply design staff can choose to place short-circuit points at the drawing elements of mine flameproof motor, mine flameproof mobile substation and mine flameproof high-voltage vacuum distribution box, and then calculate the short-circuit current. The function layer includes the function of setting up calculation report output. Its principle is to set up the output template and insert bookmarks, and the database data can complete the report output function by inserting the contents according to the bookmark location. In order to verify the practicability of the system, this paper designs and calculates the power supply system of a fully mechanized mining face in a mine. The results show that the calculation of the auxiliary design system for mine power supply is accurate and can meet the needs of the power supply design of the mine.
【学位授予单位】：太原理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD611
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