基于C8051F350的无线应变测试仪的设计与实现
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摘要
针对传统应变仪因大量线缆导致的测试难度大、抗干扰性弱、效率低下、精度差、成本高等问题,从现场实际需要设计了一种基于无线WiFi模块、以C8051F350为微处理器的无线静态应变测试仪。重点介绍了应变测试仪关键模块的硬件设计,并对无线应变测试系统软件使用进行简要说明。硬件系统主要包括电源电压转换电路、信号放大调理电路,高精度24位A/D转换数据采集电路和WiFi无线通信模块。经过北京市计量检测科学研究院校准标定和石油井架现场测试实验证实:该套无线静态应变测试仪在应变检测中精度高,稳定性强,高效率,高可靠性,低功耗,具有良好的人际交互界面,应用范围广。
Aiming at the problems of high test difficulty,weak anti-interference,low efficiency,poor precision and high cost caused by a large number of cables in traditional strain gauge,it is design a wireless static strain tester based on wireless WiFi module and with C8051F350 as microprocessor is designed according to the actual needs of the work site.The hardware design of the key modules of the strain tester is introduced,and the use of the software of the wireless strain tester is explained briefly.The hardware system mainly includes power voltage conversion circuit,signal amplification and conditioning circuit,high-precision 24-bit A/D conversion data acquisition circuit and WiFi wireless communication module.The experimental results and filed test prove that the wireless static strain tester has the advantages of high precision,sturdy stability,high efficiency,strong reliability,low power consumption,good interpersonal interface and wide range of applications.
Aiming at the problems of high test difficulty,weak anti-interference,low efficiency,poor precision and high cost caused by a large number of cables in traditional strain gauge,it is design a wireless static strain tester based on wireless WiFi module and with C8051F350 as microprocessor is designed according to the actual needs of the work site.The hardware design of the key modules of the strain tester is introduced,and the use of the software of the wireless strain tester is explained briefly.The hardware system mainly includes power voltage conversion circuit,signal amplification and conditioning circuit,high-precision 24-bit A/D conversion data acquisition circuit and WiFi wireless communication module.The experimental results and filed test prove that the wireless static strain tester has the advantages of high precision,sturdy stability,high efficiency,strong reliability,low power consumption,good interpersonal interface and wide range of applications.
引文
[1]赵文亮.无线应变测试系统设计[D].太原:中北大学,2011:9-10.
[2]王涛.基于应变式力传感器的桥梁无线动态测试系统的研究[J].仪器仪表学报,2011,12(12):41-46.
[3]李美花,卫平,王颖.微传感器阵列多通道数据采集和处理系统[J].电子测量与仪器学报,2016,30(2):311-317.
[4]郭彤.无线应变测量的关键技术研究[D].上海:华东理工大学,2018:15-17.
[5]孟凡勇,孟立凡,王华斌.应变测试信号处理电路设计[J].电子测试,2009(9):74-77.
[6]何乃龙,沙奕卓,行鸿彦.基于电桥的高精度电阻测量系统的设计与实现[J].电子测量技术,2015,38(6):92-96.
[7]邓翔宇.修正非线性误差的宽量程多电桥电阻测量电路设计[J].电子测量与仪器学报,2016,30(9):1418-1424.
[8]蒋萍花,张楠.数据采集系统串口通信的设计与实现[J].电子测量技术,2015,38(6):139-142.
[9]卢庆林.基于单片机MPS430F的无线通信设计[J].国外电子测量技术,2014,33(12):74-77.
[10]王南歌.无线应变传感网络分系统路由器的设计与实现[D],西安:西安电子科技大学,2015:55-58.
[11]张仕明,陈伟民,刘章,等.高精度无线应变测量系统硬件设计[J].传感器与微系统,2012,31(12):87-90.
[12]焦震,陈鹏,刘海山,等.基于C8051F350单片机的智能仪表设计与实现[J].电子设计工程,2018,26(8):173-177.
[13]韩凯,左佳.应变片横向效应对复合材料测量数据影响分析[J].国外电子测量技术,2015,34(3):19-22.
[14]罗宾,仇芝,杜坚.石油井架结构无线应变传感器的设计[J].传感器与微系统,2010,29(6):115-117.
[15]刘志刚,迟国安,马贺.无线应变测试系统在钻机井架检测中的应用[J].广州化工,2012,40(21):131-132.
[16]罗宾,杜坚,张国胜.石油井架无线应变测试系统的设计[J].电脑知识与技术,2010,6(19):5352-5354.
[2]王涛.基于应变式力传感器的桥梁无线动态测试系统的研究[J].仪器仪表学报,2011,12(12):41-46.
[3]李美花,卫平,王颖.微传感器阵列多通道数据采集和处理系统[J].电子测量与仪器学报,2016,30(2):311-317.
[4]郭彤.无线应变测量的关键技术研究[D].上海:华东理工大学,2018:15-17.
[5]孟凡勇,孟立凡,王华斌.应变测试信号处理电路设计[J].电子测试,2009(9):74-77.
[6]何乃龙,沙奕卓,行鸿彦.基于电桥的高精度电阻测量系统的设计与实现[J].电子测量技术,2015,38(6):92-96.
[7]邓翔宇.修正非线性误差的宽量程多电桥电阻测量电路设计[J].电子测量与仪器学报,2016,30(9):1418-1424.
[8]蒋萍花,张楠.数据采集系统串口通信的设计与实现[J].电子测量技术,2015,38(6):139-142.
[9]卢庆林.基于单片机MPS430F的无线通信设计[J].国外电子测量技术,2014,33(12):74-77.
[10]王南歌.无线应变传感网络分系统路由器的设计与实现[D],西安:西安电子科技大学,2015:55-58.
[11]张仕明,陈伟民,刘章,等.高精度无线应变测量系统硬件设计[J].传感器与微系统,2012,31(12):87-90.
[12]焦震,陈鹏,刘海山,等.基于C8051F350单片机的智能仪表设计与实现[J].电子设计工程,2018,26(8):173-177.
[13]韩凯,左佳.应变片横向效应对复合材料测量数据影响分析[J].国外电子测量技术,2015,34(3):19-22.
[14]罗宾,仇芝,杜坚.石油井架结构无线应变传感器的设计[J].传感器与微系统,2010,29(6):115-117.
[15]刘志刚,迟国安,马贺.无线应变测试系统在钻机井架检测中的应用[J].广州化工,2012,40(21):131-132.
[16]罗宾,杜坚,张国胜.石油井架无线应变测试系统的设计[J].电脑知识与技术,2010,6(19):5352-5354.