本文選題：港口油罐區(qū)　切入點：SCADA　出處：《武漢理工大學》2015年碩士論文

【摘要】：能源的儲運是制約社會經(jīng)濟發(fā)展的一個重要因素,我國應(yīng)該抓住當前機遇,改變石油儲運的技術(shù)和方法,建立港口油罐區(qū)的SCADA系統(tǒng),提高石油儲運的效率和安全性,以適應(yīng)經(jīng)濟發(fā)展的需求。本文正是基于上述考慮,設(shè)計并實現(xiàn)了港口油罐區(qū)監(jiān)控系統(tǒng)。論文根據(jù)油罐區(qū)的實際情況,分析了港口油罐區(qū)的特點以及監(jiān)控系統(tǒng)的功能要求,設(shè)計了油罐區(qū)SCADA系統(tǒng)。論文將監(jiān)控系統(tǒng)從結(jié)構(gòu)上分為上位監(jiān)控層、下位PLC層和現(xiàn)場設(shè)備層三個層次,進行了總體設(shè)計,又從硬件和軟件兩個方面進行設(shè)計,主要是上位監(jiān)控軟件的設(shè)計、PLC編程和PLC網(wǎng)絡(luò)結(jié)構(gòu)。論文使用CitectSCADA組態(tài)軟件構(gòu)造人機界面,實現(xiàn)上位機的人機交互,介紹了CitectSCADA的特點、圖形編輯器和精靈的使用方法,對各個界面分別作出說明。論文還完成了CitectSCADA的OPC變量交換和SQL Server的交換,使監(jiān)控系統(tǒng)數(shù)據(jù)整體連接起來。操作記錄是工業(yè)生產(chǎn)中十分重要的環(huán)節(jié),當出現(xiàn)事故時,可以用來查找問題、追究責任,但是,對于一些老舊系統(tǒng)和設(shè)備,監(jiān)控系統(tǒng)難以分辨操作類型和場地,難以實現(xiàn)自動記錄功能。本文從操作記錄功能的要求和實現(xiàn)兩個方面,對閥門的操作記錄功能進行了分析設(shè)計。論文指出閥門在控制、電氣連接方面存在的問題,通過分析閥門的控制信號和狀態(tài)信號的關(guān)系,將閥門操作模式分為三類,然后編寫程序?qū)Σ僮鬟^程進行辨別,實現(xiàn)老舊設(shè)備的自動記錄功能。對于一個企業(yè)或工廠來說,安全生產(chǎn)是重中之重,生產(chǎn)監(jiān)控系統(tǒng)必有報警功能來保障系統(tǒng)的安全生產(chǎn)運行。論文提出了報警聯(lián)動功能,使系統(tǒng)的安全性進一步提高。論文分析了傳統(tǒng)報警確認操作的不足,進而提出聯(lián)動功能實施方案,通過編程、設(shè)置實現(xiàn)報警聯(lián)動功能:當報警發(fā)出時,操作員確認為真實報警后執(zhí)行聯(lián)動命令,確認為誤報警后取消聯(lián)動命令,一定時間內(nèi)操作員沒有任何操作的話,自動執(zhí)行聯(lián)動命令。
[Abstract]:Energy storage and transportation is an important factor restricting the development of social economy. Our country should seize the present opportunity, change the technology and method of oil storage and transportation, establish the SCADA system in the port oil tank area, and improve the efficiency and safety of oil storage and transportation.To meet the needs of economic development.Based on the above considerations, this paper designs and implements the monitoring system of the port oil tank area.According to the actual situation of the oil tank area, this paper analyzes the characteristics of the port oil tank area and the functional requirements of the monitoring system, and designs the SCADA system of the oil tank area.In this paper, the monitoring system is divided into three layers: the upper layer, the lower PLC layer and the field equipment layer. The overall design is carried out, and the hardware and software are designed.It is mainly the design of monitoring software and PLC network structure.In this paper, the man-machine interface is constructed by using CitectSCADA configuration software, and the man-machine interaction of the upper computer is realized. The characteristics of CitectSCADA, the usage method of graphic editor and wizard are introduced, and each interface is explained respectively.The OPC variable exchange of CitectSCADA and the exchange of SQL Server are also completed in this paper.The operation record is a very important link in industrial production. In the event of an accident, it can be used to find out the problem and investigate the responsibility. However, for some old systems and equipment, it is difficult for the monitoring system to distinguish the type of operation from the site.It is difficult to realize automatic recording function.In this paper, the operation record function of valve is analyzed and designed from two aspects: requirement and realization of operation record function.The paper points out the problems existing in the control and electrical connection of the valve. By analyzing the relationship between the control signal and the state signal of the valve, the valve operation mode is divided into three categories, and then the program is written to distinguish the operation process.Realize the automatic recording function of the old equipment.For an enterprise or factory, safety production is the most important, production monitoring system must have alarm function to ensure the safety of the system operation.In this paper, the alarm linkage function is proposed to improve the security of the system.This paper analyzes the shortcomings of the traditional alarm and confirmation operation, and then puts forward the implementation scheme of the linkage function. Through programming, the alarm linkage function is set up: when the alarm is issued, the operator confirms that the alarm is true and then executes the linkage command.Cancel the linkage command after confirmation of false alarm. If the operator does not have any operation within a certain period of time, execute the linkage command automatically.
【學位授予單位】：武漢理工大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TE88;TP277

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