文档介绍：XXX大学毕业设计(论文)报告用纸压力机压力测试仪毕业设计摘要此设计为一压力测控仪,应用纯硬件电路,通过当前压力值和设定压力值的比较来自动控制输出。控制部分应用组合逻辑电路,结构简单,性能稳定。传感部分应用经典传感器电路,偏置电流小、失调小、增益高、共模抑制能力强、响应快、漂移低、性能稳、价格低廉。输出部分采用光电耦合防止由于高压引起的干扰。采用数码管作为本系统的显示部分,其体积小,功耗底,响应速度快,易于匹配,可靠性高和寿命长。该系统优点在于速度快,抗干扰能力强,可靠性高。此压力测控仪实用价值高,在控制中实现了一表多路显示,减少了机械表的使用量,不但降低了生产设备成本,同时确保了生产过程的一致性,使生产效率及产品质量得到了较大提高。关键字:自动控制逻辑电路传感器XXX大学毕业设计(论文)报告用纸AbstractThedesigntopicofthissubjectisainstrumentofthepressuremeasuresandcontrol,ircuit,parethecurrentpressurevaluewithsetupthepressurevaluetoauto-,magnifiedabilityishigher,feedbackisfaster,-ircuit,whichadoptsphototube,,itsvolumeissmaller,andthepowerisless,respondingtothespeedquicker,apttomatch,,theanti-interferenceabilityisstrong,’sthevalueofpracticeisveryhigh,whichrealizesthatsinglemeterdisplaymanyroadsoutputs,notonlyreducetheusageofthemachinemeterandequipmentscost,butalsoinsuretheconsistencyoftheproductionlineatthesametime,:auto-ircuitsensorXXX大学毕业设计(论文)报告用纸目录引言··························································································51、任务书··················································································62、设计思路················································································63、主要电路设计原理与计算···························································、传感器的选择··················&#