哈尔滨工业大学工学硕士学位论文-PAGEII-基于STM32的语音电子秤的设计学生专业：测控技术与仪器学生姓名：张城照导师姓名：张福才-PAGEXLIV-摘要质量是测量领域中的一个非常有意义的被测参数，称重技术的发展从古至今被人们所重视，称重在日常生活中随处可见，如首饰店测量贵金属重量，工厂原料定量配比，市场上称菜，货车过地磅等。秤是最普通、最普及的计量设备。传统的机械秤体积庞大，结构繁琐，易受外界挤压、碰撞变形，在长期使用中由于金属腐蚀，机械磨损会给机械秤带来不可逆的损害直接导致机械秤精度下降。电子秤相比机械秤拥有诸多优点，例如成本低、响应快、稳定、高智能等。随着社会的迅猛发展，人们的需求日益多元化，多元化的电子秤将具有极其广阔的市场前景。本设计采用STM32F103作为主控芯片，外接电桥式称重传感器和24位高精度A/D转换芯片来完成称重，以TFT液晶屏和触控芯片实现人机交互，独特的语音播报功能给本设计增添了个性特点，实时温度和实时时钟方便了使用者的日常生活。关键词质量电子秤STM32F103语音AbstractQualityisanimportantparametertomeasuredinthefieldofmeasurement,weighingtechnologyispaidgreatattentionbypeoplesinceancienttimes,weighingcanbeseeneverywhereinourdailylife,suchasjewelryshopmeasuringweightofpreciousmetals,quantitativeratioofrawmaterials,weighingfoodonthemarket,truckspassloadometer,etc.Balanceisthemostcommon,themostpopularmeasuringequipment.Thetraditionalmechanicalscaleislarge,thestructureiscomplicated,vulnerabletoexternalextrusion,collisiondeformation,duetothemetalcorrosioninthelong-termuse,mechanicalwearwillbringirreversibledamagetomechanicalscaledirectlyledtothedecreaseoftheprecisionofmechanicalscale.Electronicscalemechanicalscalecomparedwithmanyadvantages,suchaslowcost,fastresponse,stability,highintelligence,etc.Withtherapiddevelopmentofsociety,thedemandofpeopleincreasinglydiversified,diversifiedelectronicscalewillbeextremelybroadmarketprospect.ThisdesignusesSTM32F103asthemastercontrolchip,externalbridgetypeweighingsensorsand24bithighprecisionA/Dtransformationchiptocompletetheweighing,TFTLCDscreenandtouchchiptorealizehuman-machineinteraction,uniquespeechfunctionaddindividualitytothedesigncharacteristicsofreal-timetemperatureandrealtimeclockisconvenientforuser'sdailylife.KeywordsQualityElectronicscaleSTM32F103Speech不要删除行尾的分节符，此行不会被打印目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc390091800"摘要PAGEREF_Toc390091800\hIHYPERLINK\l"_Toc390091801"AbstractPAGEREF_Toc390091801\hIIHYPERLINK\l"_Toc390091802"第1章绪论PAGEREF_Toc390091802\h1HYPERLINK\l