【正文】 畢業(yè)設(shè)計(jì) (論文 ) 題 目： 基于單片機(jī)的脈搏測(cè)量?jī)x的研究與設(shè)計(jì) 哈爾濱工業(yè)大學(xué) 畢業(yè)設(shè)計(jì)（論文） I 摘 要 在傳統(tǒng)的醫(yī)療檢測(cè)中，脈象檢測(cè)一直都起著非常重要的作用，人體的脈象包含著大量的人體的生理和病理方面的信息。脈診一直是醫(yī)生診斷疾病的重要手段之一，但受人為因素的影響很大。經(jīng)醫(yī)學(xué)觀察研究表明，人體手指末端含有豐富的毛細(xì)血管和小動(dòng)脈，這些動(dòng)脈和人體其他地方的動(dòng)脈一樣，含有豐富的生理信息。由于光電脈搏檢測(cè)技術(shù)具有很高的絕緣性，且抗電磁等干擾能力強(qiáng)，可以對(duì)人體進(jìn)行無損傷檢測(cè) 。本文設(shè)計(jì)通過光電法對(duì)人體指尖的脈搏進(jìn)行測(cè)量，并將測(cè)量信息送入單片機(jī)進(jìn)行處理，最后通過數(shù)碼管將測(cè)量結(jié)果顯示出來。將對(duì)脈搏信號(hào)的檢測(cè)模塊，脈搏信息的處理模塊，單片機(jī)，數(shù)碼管顯示模塊等電路集成在一塊電路板上，形成一個(gè)簡(jiǎn)易的脈搏測(cè)量?jī)x。這種測(cè)量?jī)x具有精確度高，體積小，價(jià)格便宜，易于操作等特點(diǎn)，特別適合于個(gè)人使用和家庭使用，給我們的生活帶來極大方便，讓我們第一時(shí)間對(duì)自己的身體狀況有進(jìn)一步的了解。 關(guān)鍵詞 ： 脈搏；光電傳感器；單片機(jī)；數(shù)碼管 哈爾濱工業(yè)大學(xué) 畢業(yè)設(shè)計(jì)（論文） II Abstract In the traditional medical testing， the pulse condition detection has been playing a very important role． The pulse condition of the human body contains a large number of physiology information and pathology information， the pulse examination has been being one of the important means for the doctor to diagnosis the illness． But the manmade factors influence it very much， the medical observation research shows． The end of the finger contains rich capillaries and small arteries． These arteries and the other arteries of the body hold rich physiologic information． The Photoelectric pulse detecting technology can test the body without damage owing to its high insulation and strong ability to resist the electromagic interference． This design in the text can survey the pulse of the finger tip through photoelectric method and transport the information to the microcontroller to do with it． At last， the result is showed by the digital tube． When the electric circuit such as the detection module of the pulse signal， the processing module of the pulse information， SCM， digital tube are integrated in the board of electric circuit， it formed an simple pulse measuring instrument，this instrument has high accuracy， small, cheap， and easy to operate． It is especially suitable for personal use and family use． It brings great convenience to our life， so we can have a further understanding of our body condition． Key words: Pulse； Photoelectric transducer； SCM； Digital tube 哈爾濱工業(yè)大學(xué) 畢業(yè)設(shè)計(jì)（論文） III 目 錄 摘要 ............................................................................................................ 錯(cuò)誤 !未定義書簽。 Abstract ..................................................................................................................................... II 第 1 章 緒論 ............................................................................................................................ 1 研究的目的和意義 ................................................................................................... 1 國(guó)內(nèi)外的研究現(xiàn)狀 ................................................................................................... 2 設(shè)計(jì)內(nèi)容 ................................................................................................................... 3 第 2 章 課題方案論證 ............................................................................................................ 4 采用壓電式脈搏傳感器 ........................................................................................... 4 采用光電式脈搏傳感器 ........................................................................................... 5 方案確定 ................................................................................................................... 6 第 3 章 硬件電路設(shè)計(jì) ............................................................................................................ 7 元器件介紹 ............................................................................................................... 7 AT89C2051 單片機(jī) ........................................................................................ 7 LM324 簡(jiǎn)介 ................................................................................................. 10 7809 和 7805 簡(jiǎn)介 ........................................................................................11 整體電路分析 ........................................................................................................... 13 脈搏信號(hào)采集電路 ...................................................................................... 14 脈搏信號(hào)處理電路 ...................................................................................... 15 單片機(jī)控制顯示電路 .................................................................................. 17 第 4 章 軟件設(shè)計(jì) .................................................................................................................... 20 系統(tǒng)總體軟件流程 ................................................................................................. 20 整體程序設(shè)計(jì) ......................................................................................................... 20 第 5 章 軟件仿真與系統(tǒng)實(shí)物 ................................................................................................ 23 Keil 編譯軟件 ......................................................................................................... 23 Protues 軟件仿真 .................................................................................................... 27 Protues 軟件 簡(jiǎn)介 ......................................................................................... 27 電路仿真 ...................................................................................................... 28 PCB 板生成 ............................................................................................................. 30 哈爾濱工業(yè)大學(xué) 畢業(yè)設(shè)計(jì)（論文） IV Protel DXP 20xx 軟件簡(jiǎn)介 .......................................................................... 30 PCB 板生成過程 .......................................................................................... 32 脈搏測(cè)量?jī)x實(shí)物設(shè)計(jì) ............................................................................................. 32 結(jié)論 ...........................................................................................