【正文】 he design way of thinking that each part plete。 關(guān)鍵詞 ： 熱釋電傳感器，紅外測溫儀， ARM， LPC2132 II Microcontrollerbased Temperature Measurement and Control Instrument Pyroelectric ABSTRACT PIR thermometer is a kind of infrared thermometer that makes use of the pyroelectricity effect, it uses the blackbody radiation laws as the theories foundation, it is the oute that the optical theories and microelectronics learn prehensive development． Compared to the way of traditional temperature measurement, it has a series of merits, such as short in response time,noncontact,noninterference to temperature field ,long useful time and convenient operation,etc． This paper introduces the basic principle of PIR and the method of realization in detail． With the technique that the IR thermometer39。文中還對(duì)影響熱釋電紅外測溫儀測溫精度的因素和軟硬件的相關(guān)設(shè)計(jì)做了詳細(xì)的分析，并采取了相應(yīng)措施，本文主要做了以下工作： 闡述了紅外測溫儀的發(fā)展現(xiàn)狀和分類，并指出了本文的研究意義；闡述了熱釋電紅外測溫儀的原理，并對(duì)目前紅外測溫儀的幾種方案的優(yōu)缺點(diǎn)進(jìn)行了詳細(xì)的介紹；對(duì) ARM核微處理器作了詳細(xì)的介紹，并對(duì)本文用到的 ARM 核芯片 LPC2132 的功能特點(diǎn)和結(jié)構(gòu)做了詳細(xì)的介紹 。 本文詳細(xì)介紹了熱釋電紅外測溫儀測溫的基本原理和實(shí)現(xiàn)方法，以熱釋電紅外測溫儀現(xiàn)階段的技術(shù)作為參考，提出并研制了一種基于 ARM 內(nèi)核的高性能的嵌入式微處理器的熱釋電紅外測溫系統(tǒng)。 I 基于單片機(jī)的熱釋電溫度測控儀 摘要 熱釋電紅外測溫儀是一種利用物體熱釋電效應(yīng)而制成的新型紅外測溫儀器，它以黑體輻射定律作為理論基礎(chǔ)，是光學(xué)理論和微電子學(xué)綜合發(fā)展的產(chǎn)物。與傳統(tǒng)的測溫方式相比，具有響應(yīng)時(shí)間短、非接觸、不干擾被測溫場、使用壽命長、操作方便等一系列優(yōu)點(diǎn)。詳細(xì)介紹了該系統(tǒng)的構(gòu)成和實(shí)現(xiàn)方式，給出了硬件原理圖和軟件的設(shè)計(jì)流 程圖。詳細(xì)分析了系統(tǒng)的功能要求，提出了總體設(shè)計(jì)方案，并在此基礎(chǔ)上進(jìn)行了系統(tǒng)的硬件設(shè)計(jì)，對(duì)每個(gè)部分所完成的功能和設(shè)計(jì)思路作了說明；介紹了系統(tǒng) 的軟件設(shè)計(jì)，以流程圖的方式介紹了各個(gè)功能的具體實(shí)現(xiàn)；對(duì)影響紅外測溫儀的測溫誤差的因素進(jìn)行了分析，對(duì)系統(tǒng)中出現(xiàn)的軟硬件干擾問題做了相應(yīng)的抗干擾措施；為本文研究的主要結(jié)論，對(duì)系統(tǒng)的進(jìn)一步的研究工作進(jìn)行了展望。s present stage as a reference． It put forward and develop a kind of measure system according to the embedded microprocessor of high performance ARM． The paper introduces the posing and the method of that system in detail． and gives the hardware principle diagram and design flow chart of the software． The factors that influence PIR thermometer`s accuracy and the related interference of hardware and software are analyzed in detail, and adopted to corresponded matures． The following work is done： The present condition and classification of IR thermometer are introduced elaborately, and the meaning of this research is point out。 The software parts of PIR thermometer are proposed, the module of each part is realized in flow chart； the factors that interfere measures error are carried on analysis， the interference of the software and hardware are discussed, and did some ant interference measures； The main research conclusion is summarized, the prospect of further research of PIR thermometer III is proposed． KEY WORDS: PIR,Infrared thermometer,ARM， LPC2132 IV 目 錄 基于單片機(jī)的熱釋電溫度測控儀 .................................................................................................... I 關(guān)鍵詞 ： 熱釋電傳感器，紅外測溫儀， ARM， LPC2132................................................................. I 前言 ............................................................................................................................................. 1 第一章 熱釋電紅外測溫儀的原理 ................................................................................................. 3 1． 1 輻射測溫原理 ................................................................................................................ 3 1． 2 熱釋電探測器 ................................................................................................................ 3 1． 3 幾種測溫方案 .................................................................................... 錯(cuò)誤 !未定義書簽。 1． 3． 2 亮度測溫法 .............................................................................................................. 5 1． 3． 3 比色測溫法 .............................................................................................................. 6 1． 3． 4 各種測溫方案的特點(diǎn)與適用范圍 ............................................................................... 7 第二章 ARM 核微處理器 ............................................................................................................. 7 2． 1 ARM 處理器簡介 ........................................................................................................... 8 2． 2 LPC2132主要特性 ......................................................................................................... 8 第三章 系統(tǒng)硬件設(shè)計(jì) ................................................................................................................... 9 3． 1 系統(tǒng)總體設(shè)計(jì) ...............................................................................................................10 3． 2 光學(xué)部分的設(shè)計(jì) ............................................................................................................10 3． 2． 1 熱釋電傳感器的 選擇 ...............................................................................................10 3． 2． 2 斬波器的設(shè)計(jì)與控制 ............................................................................................... 11 3． 3 信號(hào)處理電路 ...............................................................................................................12 3． 3． 1 信號(hào)放大電路 ..........................................................................................................13 3． 3． 2 環(huán)境溫度檢測電路 ...................................................................................................14 3． 4 ARM 最小系統(tǒng)和外圍電路 ............................................................................................15 3． 4． 1 電源電路 .................................................................................................................15 鍵盤電路與液晶顯示鍵盤電路 .......................................................................................16 顯示 .............................................................................................................................17 V 鍵盤與液晶顯示電路 ................................................................................