畢業(yè)設計-基于at89c51單片機的人體紅外測溫儀設計

1、目錄摘要...............................................................................................................................IAbstract................................................................................

2、........................................II第一章紅外線測溫儀的研發(fā)背景..........................................................................11.1紅外測溫儀的實際應用............................................................................

3、......11.2紅外測溫技術的發(fā)展歷程...............................................................................1第二章人體紅外測溫儀的原理和特點..................................................................22.1人體紅外線測溫儀的理論依據....................

4、..................................................22.2人體紅外線測溫儀的性能指標及作用...........................................................22.3影響溫度測量的主要因素及修正方法...........................................................32.4人體紅外線測溫儀

5、的特點...............................................................................5第三章人體紅外測溫儀的硬件設計......................................................................63.1總體設計............................................

6、...............................................................63.1.1整體框圖設計...........................................................................................63.1.2電路設計............................................

7、.......................................................73.2溫度傳感器.......................................................................................................83.3放大電路的設計..........................................

8、.....................................................83.4模數轉換部分電路...........................................................................................93.5LCD1602顯示電路.................................................

9、.......................................10第四章軟件設計....................................................................................................125.1紅外測溫儀的使用注意事項.......................................................

10、..................155.2改進方案.........................................................................................................155.3推廣及應用..............................................................................

11、.......................15參考文獻....................................................................................................................16致謝.......................................................................

12、.................................................17附錄1PCB板圖.....................................................................................................18附錄23D效果圖..................................................

13、.................................................19附錄3程序.............................................................................................................20TemperaturemeasuringbasedonbodyinfraredrayAbstract:To

14、decreasethelimitationoftraditionalmethodoftemperaturemeasuringsuchasclosecontactbetweenmeasurerthetargetinconveniencewhenmeasuringwedevelopedanoncontacttypepiezoelectricinfraredthermometerrealizesfastaccuratesurfacetempe

15、raturemeasurements.Thisarticlealsodesignedtheoverallsystemarchitectureinfraredthermometer.Thenunderthepiezoelectricprincipleaimedathumanbodytemperaturemeasurementfaspecificdesigndevelopmentincludinghardwareperipheralstec

16、hnologySCMthehostprogram.Designedbyusingtheinfraredthermometeratambienttemperature30℃temperaturewatertemperatureonthehumanbodyweremeasuredonthehumanbodytemperaturemeasurementerrislessa0.1℃improvethemeasurementaccuracy.Th

17、isthermometermainlyappliestonocontactspeedybodyheatmeasurement.ThisarticlemainlyintroducesoperationalprinciplesofpiezoelectricinfraredsensthestructureofhydroelectricallysensPM611.Itfmulatesthetheyofthethermometerbasedonh