本文選題：主通風(fēng)機(jī) + 監(jiān)控系統(tǒng)��； 參考：《西安科技大學(xué)》2015年碩士論文

【摘要】：礦井通風(fēng)系統(tǒng)是煤礦安全生產(chǎn)的關(guān)鍵組成部分,主通風(fēng)機(jī)又是通風(fēng)系統(tǒng)中極其重要的生產(chǎn)設(shè)備,承擔(dān)著向井下輸入新鮮空氣和礦井瓦斯抽放的任務(wù)。因此,對于主通風(fēng)機(jī)的運(yùn)行狀況和關(guān)鍵參數(shù)進(jìn)行實(shí)時(shí)在線監(jiān)控,不僅可以提高礦業(yè)生產(chǎn)的自動化控制水平,還能達(dá)到煤礦企業(yè)安全生產(chǎn)的目的。本課題是以陜西榆林某礦業(yè)公司主通風(fēng)機(jī)電控系統(tǒng)改造為背景,通過分析該煤礦礦井主通風(fēng)機(jī)的運(yùn)行情況,提出了礦井主通風(fēng)機(jī)在線監(jiān)控系統(tǒng)的總體方案。在線監(jiān)控系統(tǒng)結(jié)構(gòu)采用“集中管理,分散控制”的方式,主要由監(jiān)控管理級、基礎(chǔ)控制級和現(xiàn)場測量級三部分構(gòu)成。按照總體方案的設(shè)計(jì)思路,本課題完成了礦井主通風(fēng)機(jī)在線監(jiān)控系統(tǒng)的硬件、軟件以及通訊網(wǎng)絡(luò)的設(shè)計(jì)。在硬件設(shè)計(jì)方面,設(shè)計(jì)了合理的控制電路,并且對于PLC、變頻器、以及監(jiān)測礦井關(guān)鍵參數(shù)如溫度、振動、負(fù)壓、瓦斯?jié)舛�、風(fēng)速等傳感器和采集模塊進(jìn)行了選型和接線設(shè)計(jì);在軟件設(shè)計(jì)方面,利用Siemens公司STEP7-Micro/WIN編程軟件實(shí)現(xiàn)了下位機(jī)PLC的程序設(shè)計(jì),采用PID控制算法設(shè)計(jì)了風(fēng)機(jī)風(fēng)量調(diào)節(jié)程序,按照系統(tǒng)控制的工藝要求,使用力控Force Control組態(tài)軟件開發(fā)了上位機(jī)監(jiān)控程序,實(shí)現(xiàn)了管理人員和監(jiān)控系統(tǒng)的人機(jī)對話;在通訊網(wǎng)絡(luò)設(shè)計(jì)方面,在線監(jiān)控系統(tǒng)采用RS-485總線連接方式,利用Modbus通訊協(xié)議,實(shí)現(xiàn)了PLC和變頻器、電量采集模塊、模擬量采集模塊以及溫度巡檢儀的通訊連接;另外,通過工業(yè)以太網(wǎng)絡(luò)實(shí)現(xiàn)了PLC和上位機(jī)的數(shù)據(jù)交互。經(jīng)過這三方面的工作,礦井主通風(fēng)機(jī)在線監(jiān)控系統(tǒng)的設(shè)計(jì)得以完成。本課題將PLC控制技術(shù)、變頻調(diào)速技術(shù)、工業(yè)通訊技術(shù)以及計(jì)算機(jī)監(jiān)控技術(shù)有機(jī)的結(jié)合應(yīng)用到礦井主通風(fēng)機(jī)監(jiān)控系統(tǒng)中,具有重要的理論意義。該系統(tǒng)的現(xiàn)場應(yīng)用,優(yōu)化了礦井通風(fēng)系統(tǒng),提高了通風(fēng)效率,具有較大的實(shí)踐應(yīng)用價(jià)值。
[Abstract]:Mine ventilation system is a key component of coal mine safety production, and the main ventilator is an extremely important production equipment in the ventilation system, which undertakes the task of importing fresh air and mine gas drainage to the underground. Therefore, the real-time on-line monitoring of the running condition and key parameters of the main ventilator can not only improve the level of automation control of mining production, but also achieve the purpose of safety production in coal mining enterprises. This subject is based on the transformation of the main ventilator electric control system of a mining company in Yulin, Shaanxi province. By analyzing the operation of the main ventilator in the coal mine, the overall scheme of the on-line monitoring system of the mine main ventilator is put forward. The structure of on-line monitoring system adopts the mode of "centralized management and decentralized control", which is mainly composed of three parts: supervisory management level, basic control level and field measurement level. According to the design idea of the overall scheme, the design of the hardware, software and communication network of the mine main fan on-line monitoring system is completed. In the aspect of hardware design, reasonable control circuit is designed, and the key parameters such as temperature, vibration, negative pressure, gas concentration, wind speed and so on are selected and connected to PLC, frequency converter and key parameters such as temperature, vibration, negative pressure, gas concentration, wind speed and so on. In the aspect of software design, the program design of PLC is realized by using Siemens' STEP7-MicroWIN programming software, and the control program of fan's air volume is designed by using pid control algorithm, according to the technological requirements of the system control. The monitoring program of upper computer is developed by using force control configuration software, which realizes the man-machine dialogue between manager and monitoring system. In the aspect of communication network design, the on-line monitoring system adopts RS-485 bus connection mode, and uses Modbus communication protocol. The communication connection between PLC and inverter, electric quantity acquisition module, analog quantity acquisition module and temperature inspection instrument is realized. In addition, the data interaction between PLC and host computer is realized through industrial Ethernet network. After these three aspects of work, the design of mine main fan online monitoring system has been completed. This subject will PLC control technology, frequency conversion speed control technology, industrial communication technology and computer monitoring technology organic application in mine main fan monitoring system, has important theoretical significance. The field application of the system optimizes the mine ventilation system and improves the ventilation efficiency, which has great practical application value.
【學(xué)位授予單位】：西安科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TD635;TP277

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