【摘要】：伴隨著我國(guó)經(jīng)濟(jì)發(fā)展,鋼鐵、水泥、電解鋁等高能耗高污染產(chǎn)業(yè)增長(zhǎng)迅猛,工業(yè)粉塵排放日益增加,環(huán)境污染等問(wèn)題日漸突出,尤其是大氣污染。現(xiàn)今國(guó)家加大環(huán)境保護(hù)力度,對(duì)高污染行業(yè)實(shí)行嚴(yán)格的管控措施。工業(yè)粉塵的排放是對(duì)大氣污染的重要影響因素。加強(qiáng)對(duì)工業(yè)粉塵排放管控對(duì)治理大氣污染問(wèn)題意義重大。袋式除塵器的過(guò)濾機(jī)理決定其除塵效率高的特點(diǎn),是世界公認(rèn)的高效過(guò)濾式除塵器。針對(duì)市場(chǎng)需求本課題設(shè)計(jì)開(kāi)發(fā)了一種基于STM32單片機(jī)應(yīng)用于大型除塵器的新型控制系統(tǒng)。該控制系統(tǒng)可實(shí)現(xiàn)自動(dòng)除塵清灰控制、電機(jī)變頻調(diào)速控制、故障診斷與報(bào)警、實(shí)時(shí)監(jiān)控與數(shù)據(jù)分析等功能。該控制系統(tǒng)優(yōu)點(diǎn)為適用范圍廣泛、功能集成度高、可編程及擴(kuò)展能力強(qiáng)、成本低廉。論文的主要研究工作與成果主要包括以下幾個(gè)方面:(1)控制系統(tǒng)的設(shè)計(jì)與開(kāi)發(fā)。通過(guò)查詢袋式除塵器相關(guān)技術(shù)資料,結(jié)合袋式除塵器現(xiàn)場(chǎng)應(yīng)用功能的需求,設(shè)計(jì)了一套完整的除塵控制系統(tǒng),主控系統(tǒng)由四個(gè)子系統(tǒng)構(gòu)成,分別為自動(dòng)除塵清灰控制系統(tǒng),開(kāi)關(guān)量、模擬量采集控制系統(tǒng),通訊系統(tǒng),故障診斷及報(bào)警系統(tǒng)。為提升本控制系統(tǒng)適用范圍,滿足不同結(jié)構(gòu)或不同應(yīng)用領(lǐng)域的除塵器控制要求,提出一種通用控制方法。用戶能夠根據(jù)自身除塵器特點(diǎn)對(duì)脈沖閥數(shù)量、清灰模式等參數(shù)進(jìn)行設(shè)置達(dá)到精確控制的目的。(2)控制系統(tǒng)硬件實(shí)現(xiàn)。設(shè)計(jì)了以32位高性能單片機(jī)為核心的主控線路板。完成了D/A、A/D、通訊接口電路及外圍設(shè)備驅(qū)動(dòng)及檢測(cè)電路設(shè)計(jì)。完成了主控板、顯示板、電磁閥驅(qū)動(dòng)插板、氣壓檢測(cè)插板的PCB繪制。完成了硬件電路焊接工作,在焊接工作進(jìn)行的同時(shí)完成硬件電路和相應(yīng)的程序調(diào)試。(3)控制系統(tǒng)軟件實(shí)現(xiàn)。采用C語(yǔ)言進(jìn)行程序編寫,主程序采用循環(huán)掃描的方式運(yùn)行,對(duì)標(biāo)志位進(jìn)行實(shí)時(shí)監(jiān)測(cè)并做出相應(yīng)動(dòng)作。完成了主程序及各個(gè)功能子程序的編寫及調(diào)試。(4)控制系統(tǒng)運(yùn)行調(diào)試。對(duì)系統(tǒng)進(jìn)行軟硬件聯(lián)合調(diào)試及控制過(guò)程的優(yōu)化,完成了實(shí)驗(yàn)階段系統(tǒng)各項(xiàng)功能的測(cè)試、校準(zhǔn)等工作。
[Abstract]:Along with the economic development of our country, the high energy consumption and high pollution industry such as iron and steel, cement, electrolytic aluminum and so on are growing rapidly, the industrial dust emission is increasing day by day, the environmental pollution and so on question is becoming prominent day by day, especially the air pollution. At present, the country strengthens the environmental protection, carries out the strict control measure to the high pollution industry. The emission of industrial dust is an important factor affecting air pollution. Strengthening industrial dust emission control is of great significance to the control of air pollution. The filter mechanism of bag filter determines its high dust removal efficiency and is recognized as a high-efficiency filter in the world. According to the market demand, a new control system based on STM32 microcontroller is designed and developed. The control system can realize the functions of automatic dust removal and ash removal control, motor frequency conversion speed regulation control, fault diagnosis and alarm, real-time monitoring and data analysis, etc. The advantages of the control system are wide range of application, high functional integration, strong programmable and extensible ability and low cost. The main research work and achievements are as follows: (1) Design and development of control system. By querying the relevant technical data of bag dust collector and combining with the requirement of field application function of bag dust collector, a complete dust collection control system is designed. The main control system is composed of four subsystems, which are automatic dust removal and ash removal control system. Switch, analog data acquisition control system, communication system, fault diagnosis and alarm system. In order to improve the scope of application of the control system and meet the control requirements of different structures and different application fields, a general control method is proposed. According to the characteristics of the dust collector, the user can set the parameters such as the number of pulse valves and the ash cleaning mode to achieve the purpose of accurate control. (2) the hardware implementation of the control system. The main control circuit board based on 32-bit high-performance single-chip microcomputer is designed. The design of D / A / D, communication interface circuit and peripheral device driver and detection circuit is completed. The PCB drawing of main control board, display board, solenoid valve drive board and air pressure detecting board is completed. The hardware circuit welding is completed, and the hardware circuit and the corresponding program are debugged simultaneously. (3) the software of the control system is realized. C language is used to write the program. The main program runs in the way of cyclic scanning, and the flag bit is monitored in real time and the corresponding actions are made. Completed the main program and each functional subprogram programming and debugging. (4) Control system running debugging. The software and hardware of the system are debugged and the control process is optimized. The functions of the system are tested and calibrated in the experimental stage.
【學(xué)位授予單位】：濟(jì)南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：X701.2

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