基于ARM的微庫侖綜合分析儀的研究
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本文關(guān)鍵詞: 微庫侖分析法 嵌入式系統(tǒng) ARM Windows Embedded CE6.0 出處:《南京信息工程大學(xué)》2013年碩士論文 論文類型:學(xué)位論文
【摘要】:微庫侖分析法是一種檢測石油、化工產(chǎn)品和其它有機(jī)及無機(jī)化合物中硫、氯、氮等元素含量的方法,其特點(diǎn)是靈敏度高、精密度高、反應(yīng)速度快和具有較強(qiáng)的抗干擾能力。隨著科技的不斷發(fā)展,國內(nèi)對微庫侖分析儀的使用日趨廣泛,但已有微庫侖分析儀主要是通過單片機(jī)控制,其滴定過程的操作是依靠PC機(jī)完成,每臺微庫侖分析儀需配備一臺PC機(jī)。基于此,研究和設(shè)計一款高精度、小體積、易操作和高性價比的微庫侖綜合分析儀的系統(tǒng)顯得尤其必要。 本論文針對已有微庫侖分析儀在體積、可靠性等方面存在的問題,設(shè)計了嵌入式微庫侖綜合分析儀的軟硬件系統(tǒng)。 利用ARM11嵌入式微處理器和Windows Embedded CE6.0操作系統(tǒng)的基本架構(gòu),選擇數(shù)據(jù)處理能力強(qiáng)的ARM11微處理器作為微庫侖分析儀的核心處理器,通過移植、定制實時的嵌入式操作系統(tǒng)Windows Embedded CE6.0為微庫侖分析儀提供軟件運(yùn)行平臺。 本設(shè)計由主機(jī)控制部分、進(jìn)樣器、攪拌器、溫度及流量控制器、裂解爐、電解池及上位機(jī)操作界面幾部分組成。硬件設(shè)計主要包括數(shù)據(jù)采集電路、庫侖放大器、積分電路設(shè)計、背壓檢測電路、進(jìn)樣電路、質(zhì)量流量控制電路及主控電路等模塊;軟件設(shè)計在移植Windows Embedded CE6.0嵌入式操作系統(tǒng)的基礎(chǔ)上,實現(xiàn)數(shù)據(jù)實時采集、積分起始點(diǎn)和結(jié)束點(diǎn)的判定、峰形面積的計算、滴定曲線的繪制、樣品含量的分析等庫侖測量功能及人機(jī)交互操作界面。 經(jīng)實驗驗證,該微庫侖綜合分析儀實現(xiàn)了小型化、一體化,具有精度較高、系統(tǒng)運(yùn)行穩(wěn)定等特點(diǎn),可以測量固體、液體、氣體中的硫、氯、氮等元素的含量,能夠滿足石油化工業(yè)、冶金煤炭業(yè)、食品衛(wèi)生、環(huán)保等相關(guān)領(lǐng)域的測量要求。
[Abstract]:Microcoulometry is a method for the determination of sulfur, chlorine and nitrogen in petroleum, chemical products and other organic and inorganic compounds. Its characteristics are high sensitivity and high precision. With the development of science and technology, the microcoulomb analyzer is widely used in our country, but the microcoulomb analyzer has been controlled by single chip microcomputer. The operation of the titration process depends on PC, each microcoulomb analyzer needs to be equipped with a PC. Based on this, a high precision and small volume is studied and designed. The system of microcoulomb comprehensive analyzer with easy operation and high cost-performance ratio is especially necessary. In this paper, the hardware and software system of embedded microcoulomb comprehensive analyzer is designed to solve the problems in volume and reliability of existing microcoulomb analyzer. The basic architecture of ARM11 embedded microprocessor and Windows Embedded CE6.0 operating system is used. The ARM11 microprocessor with strong data processing ability is selected as the core processor of the microcoulomb analyzer. Windows Embedded CE6.0, a customized embedded operating system, provides a software platform for microcoulomb analyzer. The design is composed of host control part, sampler, agitator, temperature and flow controller, cracking furnace, electrolytic cell and upper computer operation interface. The hardware design mainly includes data acquisition circuit. Coulomb amplifier, integral circuit design, back voltage detection circuit, sample injection circuit, mass flow control circuit and main control circuit module; On the basis of transplanting the Windows Embedded CE6.0 embedded operating system, the software design realizes the real-time data collection, the judgment of the starting point and the ending point of the integral. Calculation of peak area, drawing of titration curve, analysis of sample content and other Coulomb measurement functions and man-machine interactive operation interface. The experimental results show that the microcoulomb comprehensive analyzer can realize miniaturization, integration, high precision and stable operation of the system. It can measure the contents of sulfur, chlorine and nitrogen in solid, liquid and gas. Able to meet the requirements of petrochemical industry, metallurgical and coal industry, food hygiene, environmental protection and other related areas.
【學(xué)位授予單位】:南京信息工程大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:TH83;TP368.1
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