基于單片機(jī)的溫度控制器的設(shè)計(jì)畢業(yè)論文(已修改)

　

【正文】 安徽工程大學(xué)機(jī)電學(xué)院畢業(yè)設(shè)計(jì)（論文）I基于單片機(jī)的溫度控制器的設(shè)計(jì)摘要溫度的檢測(cè)與控制是工業(yè)生產(chǎn)過(guò)程中必不可少的程序之一，隨著傳感器在生產(chǎn)和生活中的更加廣泛的應(yīng)用，利用新型單總線式數(shù)字溫度傳感器實(shí)現(xiàn)對(duì)溫度的測(cè)試與控制得到更快的開發(fā)勢(shì)在必行，本文設(shè)計(jì)了一種基于 AT89C51 的溫度檢測(cè)及報(bào)警系統(tǒng)。該系統(tǒng)將溫度傳感器 DS18B20。通過(guò)模擬放大電路接在模數(shù)轉(zhuǎn)化器 ADC0809 的輸入端,然后將 ADC0809 的輸出端接在控制器的一個(gè)端口上，就可以對(duì)傳感器溫度進(jìn)行采集將采集到的溫度值與設(shè)定值進(jìn)行比較,并適當(dāng)調(diào)節(jié)其溫度。本文從硬件電路的設(shè)計(jì)、軟件設(shè)計(jì)兩方面介紹了 51 單片機(jī)溫度控制系統(tǒng)的設(shè)計(jì)思路，對(duì)硬件原理圖和程序框圖作了簡(jiǎn)單的描述，對(duì)設(shè)計(jì)的實(shí)現(xiàn)過(guò)程和調(diào)試過(guò)程也做了,該系統(tǒng)測(cè)量精度高、抗干擾能力強(qiáng)、報(bào)警及時(shí)準(zhǔn)確，具有一定的參考價(jià)值。本課題主要對(duì)實(shí)現(xiàn)了雙通道的溫度自動(dòng)控制系統(tǒng)的說(shuō)明,并且系統(tǒng)設(shè)計(jì)和布線簡(jiǎn)單,結(jié)構(gòu)緊湊,體積小,重量輕,抗干擾能力強(qiáng),性價(jià)比高,擴(kuò)展方便,實(shí)現(xiàn)一個(gè)主機(jī)對(duì)多個(gè)系統(tǒng)進(jìn)行控制，解決了單個(gè)的主機(jī)對(duì)各個(gè)溫控的對(duì)象進(jìn)行控制顯得資源浪費(fèi)現(xiàn)象，有利于節(jié)約資源，在大型倉(cāng)庫(kù)，工廠，智能化建筑等領(lǐng)域的多點(diǎn)溫度檢測(cè)中有廣闊的應(yīng)用前景。關(guān)鍵詞:ADC0809。AT89C51。 DS18B20。 溫度控制田豐：基于單片機(jī)的溫度控制器的設(shè)計(jì)IIDesign of temperature controller based on MCUAbstract Temperature detection and control is one of the indispensable in the process of industrial production process, as the sensor is more widely used in the production and life, using new type single bus digital temperature sensor for temperature test and control, it is imperative to get faster development, this paper designs a temperature detection and alarm system based on AT89C51. The system will be the temperature sensor DS18B20. Through analog amplifying circuit in the input end of the AD converter ADC0809, then to connect the output of the ADC0809 on one port of the controller, temperature sensor for acquisition, will be collected temperature paring with set point, when less than set the upper limit of temperature, by opening the heating circuit to keep the temperature to cool naturally. In this paper, from two aspects of the design of hardware circuit, software design, this paper introduces the 51 single chip microputer temperature control system design idea, the hardware principle diagram and the program diagram for a simple description of the implementation process of the design and debug process also made the corresponding instructions. Through experimental tests show that the system is high accuracy, strong antijamming capability, alarm in time accurately, has a certain reference value. This topic is mainly to realize the automatic temperature control system of dual channel, and the system design and the wiring simple, pact structure, small volume, light weight, strong antiinterference ability, high cost performance, convenient extension, implement a host to control multiple systems, a single host to solve various temperature control for the controlled object appear waste resources phenomenon, which saves resources, in large warehouses, factories, the multipurpose temperature test of intelligent building and other fields have broad application prospects. Key words: ADC0809。 AT89C51。 DS18B20 。 Temperature control安徽工程大學(xué)機(jī)電學(xué)院畢業(yè)設(shè)計(jì)（論文）III目錄引言 .............................................................................................................................................1第一章 緒論 ...............................................................................................................................2 課題的學(xué)術(shù)背景及研究意義 ..........................................................................................2 課題在國(guó)內(nèi)外的發(fā)展?fàn)顩r ..............................................................................................2 課題研究的主要內(nèi)容 ......................................................................................................3第 2 章 溫度控制器的設(shè)計(jì)方案 ..............................................................................................4 系統(tǒng)整體方案和結(jié)構(gòu) .......................................................................................................4 系統(tǒng)方案的選擇與說(shuō)明 ...................................................................................................4 主機(jī)模塊 .....................................................................................................................4 顯示模塊 ....................................................................................................................5 溫度測(cè)量 ....................................................................................................................5第 3 章 溫度控制器的硬件電路設(shè)計(jì) .....................................................................................6 51 單片機(jī)的介紹與選擇 ..................................................................................................6 溫度傳感器的介紹與選擇 ...............................................................................................8 DS18B20 性能 ............................................................................................................8 DS18B20 外形及引腳說(shuō)明 ........................................................................................8 DS18B20 接線原理圖 ................................................................................................9 模數(shù)轉(zhuǎn)換部分 ..................................................................................................................9 模數(shù)轉(zhuǎn)換技術(shù) ............................................................................................................9 顯示模塊電路 ...........................................................................................................10 供電系統(tǒng)電路 ...........................................................................................................11 報(bào)警電路 .........................................................................................................................11 報(bào)警電路原理圖 .......................................................................................................11 報(bào)警電路說(shuō)明 ...........................................................................................................12 時(shí)鐘電路 .........................................................................................................................12 時(shí)鐘電路原理圖 .......................................................................................................12 時(shí)鐘電路說(shuō)明 ...........................................................................................................13 復(fù)位電路 ..................................................