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空氣粉塵濃度檢測(cè)儀的設(shè)計(jì)與_研究畢業(yè)論文-展示頁(yè)

2024-09-06 18:31本頁(yè)面
  

【正文】 ar by year, industry rapid development, it would inevitably produce a large amount of industrial waste gas, and residents now to buy a car has been increasing, automobile exhaust emissions, dust concentration in the air of a large increase, lead to many parts of China now produces a large amount of dust, air environment problem is very serious. A key link in the process of air quality detection is to detect the content of dust in the air, so the dust detection bees a very important problem. Dust detector in the biggest use is the testing environment dust concentration, suitable for those with poor working environment, work places where dust is more, can also be used in the environmental monitoring department monitoring environment, etc. Based on the particles and molecules under the irradiation of a beam of parallel light will produce light scattering phenomenon as principle, with the single chip processor as the core, to plete the dust detector of dust collection, data display circuit design, bining various module hardware circuit to realize the corresponding functions of various modules, and help to reach requirements. KEYWORDS: dust, 51 singlechip microputer and display, the program design 安徽理工大學(xué)畢業(yè)設(shè)計(jì) IV 目錄 1緒論 .............................................................. 1 前言 ................................................................ 1 研究背景 ............................................................ 1 研究現(xiàn)狀 ............................................................ 2 研究?jī)?nèi)容: .......................................................... 3 擬采用的研究思路與方法 .............................................. 4 2粉塵濃度檢測(cè)儀的硬件原理 .......................................... 5 粉塵濃度檢測(cè)儀的功能和技術(shù)指標(biāo) ...................................... 5 所設(shè)計(jì)的系統(tǒng)的功能 ............................................. 5 系統(tǒng)的主要技術(shù)指標(biāo) ............................................. 5 粉塵的檢測(cè)原理 ...................................................... 5 系統(tǒng)硬件設(shè)計(jì)框圖 .................................................... 6 . 軟件程序框圖 ..................................................... 7 工作原理 ............................................................ 8 3 粉塵測(cè)試儀硬件設(shè)計(jì) ................................................ 9 單片機(jī)部分 .......................................................... 9 系統(tǒng) CPU 器件選擇 ............................................... 9 單片機(jī)引腳分配及 連接 .......................................... 12 信號(hào)采集電路 ...................................................... 13 A/D 轉(zhuǎn)換電路 .................................................. 18 ADC0809 的主要特性 ............................................ 18 ADC0809 芯片的引腳圖及引腳功能 ................................ 19 ADC0809 對(duì)輸入通道選擇 ........................................ 20 ADC0809 數(shù)據(jù)采集時(shí)序圖 ........................................ 20 ADC0809 與 AT89S52 單片機(jī)的接口設(shè)計(jì) ............................ 21 74LS74 ........................................................ 21 74LS373 ....................................................... 23 74LS02 介紹 .................................................. 24 74LS04 介紹 .................................................. 25 數(shù)碼管顯示部分 .................................................... 26 LED 數(shù)碼管概述 ................................................ 26 LED 數(shù)碼管動(dòng)態(tài)顯示方式 ........................................ 27 顯示接口設(shè)計(jì) .................................................. 29 鍵盤(pán)電路設(shè)計(jì) ...................................................... 30 濃度參考值設(shè)定的設(shè)計(jì) ............................................ 31 報(bào)警電路設(shè)計(jì)(蜂鳴器) ............................................ 32 看門(mén)狗部分的設(shè)計(jì) .................................................. 33 定時(shí) /計(jì)數(shù)器使用步驟 ................................................ 34 定時(shí)計(jì)數(shù)初值的計(jì)算 ................................................ 34 4 系統(tǒng)設(shè)計(jì) ......................................................... 35 工作過(guò)程 ........................................................... 35 安徽理工大學(xué)畢業(yè)設(shè)計(jì) V ADC0809 數(shù)據(jù)采集及輸出控制信號(hào)時(shí)序 ................................. 36 鍵盤(pán)掃描程序流程圖 ................................................. 36 數(shù)碼管顯示流程圖 ................................................... 37 看門(mén)狗程序流程圖 ................................................... 38 5 結(jié)論 ............................................................. 39 致 謝 .............................................................. 40 參 考 文 獻(xiàn) ........................................................ 41 附 錄 .............................................................. 42 安徽理工大學(xué)畢業(yè)設(shè)計(jì) 1 1 緒論 前言 隨著中國(guó)經(jīng)濟(jì)的進(jìn)步, 經(jīng)過(guò)人們的不懈努力,我們國(guó)民的生活大大的提高了。s economy, the improvement of people39。 本文以 微粒和分子在 一束平行 光的照射下會(huì)產(chǎn)生光的散射現(xiàn)象 為原理,以單片機(jī)為核心,來(lái)完成粉塵檢測(cè)儀粉塵的采集、顯示數(shù)據(jù)等電路的設(shè)計(jì) ,再結(jié)合各個(gè)不同的模塊硬件電路來(lái)實(shí)現(xiàn)各個(gè)模塊的相應(yīng)功能, 從而達(dá)到所需要的要求。檢測(cè)空氣質(zhì)量的關(guān)鍵環(huán)節(jié)就是檢測(cè)空氣中粉塵的含量,所以粉塵的檢測(cè)變成了很重要的問(wèn)題。安徽理工大學(xué)畢業(yè)設(shè)計(jì) I 本科畢業(yè)設(shè)計(jì)說(shuō)明書(shū) 基于 51 單片機(jī)和 GP2Y1010AUOF 的空氣粉塵濃度檢測(cè)儀的設(shè)計(jì)與研究 BASED ON 51 SINGLE CHIP MICROCOMPUTER AND GP2Y1010AUOF AIR DUST CONCENTRATION DETECTOR DESIGN AND RESEARCH 學(xué)院(部): 電氣與信息工程學(xué)院 專(zhuān)業(yè)班級(jí): 電氣工程及其自動(dòng)化 10級(jí) 2班 學(xué)生姓名: 謝云輝 指導(dǎo)教師: 宋老師 2020 年 5 月 7 日 安徽理工大學(xué)畢業(yè)設(shè)計(jì) II 基于 51 單片機(jī)和 GP2Y1010AUOF 的空氣粉塵濃度檢測(cè)儀的設(shè)計(jì)與研究 摘要 隨著中國(guó)經(jīng)濟(jì)的快速發(fā)展,人民生活水品 有了 發(fā)生了很大的改變 ,現(xiàn)在的生活和工作有了 很大的改變。隨著中國(guó)的工業(yè)生產(chǎn)總值逐年提高,工業(yè)高速發(fā)展,這就不可避免的會(huì)產(chǎn)生大量的工業(yè)廢氣,以及居民現(xiàn)在買(mǎi)車(chē)的在一直增加,汽車(chē)尾氣的排放,空氣中粉塵濃度大量增加,導(dǎo)致現(xiàn)在中國(guó)好多地區(qū)產(chǎn)生了大量的粉塵,空氣環(huán)境問(wèn)題異常嚴(yán)峻。粉塵檢測(cè)儀最大的用處就是檢測(cè)環(huán)境中含有的粉塵濃度,適用于那些工作環(huán)境比較差、作業(yè)所處地方粉塵比較多的地方,還能用在 環(huán)境監(jiān)測(cè)部門(mén)監(jiān)測(cè)環(huán)境等。 關(guān)鍵詞:粉塵, 51單片機(jī),顯示,程序設(shè)計(jì) 安徽理工大學(xué)畢業(yè)設(shè)計(jì) III BASED ON 51 SINGLE CHIP MICROCOMPUTER AND GP2Y1010AUOF AIR DUST CONCENTRATION DETECTOR DESIGN AND RESEARCH ABSTRACT With the rapid development of China39。s life water product had the very big, now of the life and work had the very big change. As China39。 中國(guó)的工業(yè)生產(chǎn) 總值逐年提高,工業(yè)高速發(fā)展,這就不可避免的會(huì)產(chǎn)生大量的工業(yè)廢氣。 以及居民現(xiàn)在買(mǎi)車(chē)的在一直增加,汽車(chē)尾氣的排放,空氣中粉塵濃度大量增加,導(dǎo)致現(xiàn)在中國(guó)好多地區(qū)產(chǎn)生了大量的霧霾現(xiàn)象,尤其以北上廣等大城市較為嚴(yán)重。但是 現(xiàn)
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