提升装置松绳保护电控系统的研究

发布时间：2018-05-21 07:12

本文选题：松绳保护 + 电控系统　；参考：《西安科技大学》2015年硕士论文

【摘要】：随着社会发展水平的提高,能源在人们的日常生产生活中发挥着极其重要的作用,煤炭资源在我国储量极为丰富,遍布在我国的各个角落,作为矿井“咽喉”的提升系统,是运输工作人员和设备物资的枢纽,在矿山企业日常的生产生活中起着尤为重要的作用。为了确保提升系统安全可靠的运行,近年来,提升装置电控系统的研究受到社会各界的广泛关注,各大研究机构和高校也对提升装置控制系统各个电控环节进行大量的研究。近几十年来,在我国大多数的矿井生产事故中,因提升钢丝绳松绳而引起的人员伤亡事故和重大设备损坏事故占有相当大的比例,给矿山生产企业带来重大的经济和人员损失。传统的提升系统松绳保护装置大多是利用行程开关来检测故障,此类松绳保护装置灵敏度低、故障较多。因此,提高松绳保护装置的安全性能成为近年来谈论和研究的重要话题。本文针对我国提升装置的松绳保护系统的现状,利用可编程控制器(PLC)和传感器技术,研究并设计了一套可靠性高、控制性能良好的提升装置松绳保护电控系统。本文研究的主要内容为:首先,建立了提升装置松绳保护系统的力学模型,全程分析提升装置在提升的过程中钢丝绳所受的拉力,找出提升系统松绳时的最小拉力值,为力电传感器的设计提供理论依据;其次,分别对提升装置松绳保护电控系统的硬件和软件进行设计。在硬件方面,主要研究的是以PLC控制为核心的松绳保护电控系统,以传感器所测得力值作为基本控制量,设计所用力电传感器,并对其工作原理进行分析,并运用Autodesk Inventor、ANSYS Workbench、Lab VIEW和MATLAB软件对传感器的相关部件进行应力分析和模拟仿真,对所使用的PLC选型以及对提升系统外围硬件部分设计。在控制系统的软件方面,PC机软件选用MCGS嵌入版组态软件,绘制提升装置松绳保护电控系统的组态运行画面;根据此电控系统的控制逻辑的要求,设计该松绳保护电控系统的控制原理图、PLC端口连接图,同时运用PLC编程软件STEP7编写该电控系统的PLC控制程序并用S7-200仿真软件Simulation对此程序进行模拟仿真和调试;最后,搭建实验平台,通过实验室模拟实验来检测本电控系统各项功能的实现情况。实验结果与理论实际相符,表明该松绳保护电控系统的可行性。实验结果表明,该系统的软件和硬件满足此电控系统的要求,松绳保护系统的稳定性和可靠性得到大大的提升,同时也提高了系统的灵敏度和安全系数,具有良好的工业前景。
[Abstract]:With the improvement of social development level, energy plays an extremely important role in people's daily production and life. The coal resources are abundant in our country, all over every corner of our country, as the lifting system of mine "throat". It is the hub of transportation staff and equipment, and plays a particularly important role in the daily production and life of mining enterprises. In order to ensure the safe and reliable operation of the hoisting system, in recent years, the research of the electronic control system of the hoisting device has received extensive attention from all walks of life, and a large number of research institutions and universities have also carried out a lot of research on the various electronic control links of the hoisting device control system. In recent decades, in most mine production accidents in our country, the casualties and major equipment damage accidents caused by lifting wire rope loose rope occupy a large proportion, which brings great economic and personnel losses to the mine production enterprises. The traditional loose rope protection device of lifting system mostly uses the stroke switch to detect the fault, this kind of loose rope protection device has low sensitivity and many faults. Therefore, improving the safety performance of loose rope protection device has become an important topic of discussion and research in recent years. In view of the present situation of loose rope protection system of lifting device in China, a set of electronic control system for loose rope protection of lifting device with high reliability and good control performance is studied and designed by using programmable logic controller (PLC) and sensor technology. The main contents of this paper are as follows: firstly, the mechanical model of the loose rope protection system of the hoist is established, and the pulling force of the wire rope during the lifting process is analyzed, and the minimum tensile force of the loose rope in the lifting system is found out. It provides the theoretical basis for the design of electro-mechanical sensor. Secondly, the hardware and software of the electronic control system for loose rope protection of lifting device are designed respectively. In the aspect of hardware, this paper mainly studies the electronic control system of loose rope protection with PLC control as the core, takes the force value measured by the sensor as the basic control quantity, designs the applied electric sensor, and analyzes its working principle. The Autodesk inventor ANSYS Workbench Lab VIEW and MATLAB software are used to analyze and simulate the related components of the sensor. The PLC selection and the peripheral hardware part of the lifting system are designed. In the software aspect of the control system, the MCGS embedded version configuration software is selected to draw the configuration running picture of the lifting device loose rope protection electronic control system, according to the requirements of the control logic of the electronic control system, The control principle diagram of the loose rope protection electronic control system is designed and the PLC port connection diagram is designed. At the same time, the PLC control program of the electronic control system is compiled by PLC programming software STEP7 and simulated and debugged by S7-200 simulation software Simulation. Build the experimental platform, through the laboratory simulation experiment to detect the realization of the electronic control system functions. The experimental results are in agreement with the theory and practice, which shows the feasibility of the electronic control system of the loose rope protection. The experimental results show that the software and hardware of the system can meet the requirements of the electronic control system, and the stability and reliability of the loose rope protection system are greatly improved. At the same time, the sensitivity and safety factor of the system are improved, and the system has a good industrial prospect.
【学位授予单位】：西安科技大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TD633;TP273

【参考文献】