基于磁致伸缩原理的液位测量系统毕业设计说明书论文.doc

毕业设计说明书(论文)基于磁致伸缩原理的液位测量系统毕业设计说明书（论文）中文摘要本文对磁致伸缩材料及其位移传感器在油箱液位测量中的应用进行了研究，为磁致伸缩材料及其位移传感器在水利工程及其他液位测量应用中作准备。本文研究并设计了基于磁致伸缩传感器的液位测量系统的机械结构和电路结构，使其在各种环境下都能提供准确的数据。本文的主要研究工作包括:研究了传感器机械结构；对磁致伸缩材料性能进行分析；选取合适的传感材料，对传感器的测量尺、磁浮子、磁致伸缩换能器、电路面板进行了设计；研究了传感器测量电路。根据课题需要，设计了以单片机AT89C51为核心的控制电路、脉冲发射电路、脉冲接收电路、计数电路、温度测量电路、数据显示电路。最后对系统可能出现的误差进行分析。关键词 磁致伸缩 液位 传感器 毕业设计说明书（论文）外文摘要Title Magnetic level measurement system to the development (hardware design) AbstractBased on magnetostrictive material and its displacement sensor level measurement applications in the tank, which is magnetostrictive material and its displacement sensor in water conservancy engineering and other level measurement applications is studied in this paper and prepare was designed based on magnetostrictive sensor level measurement system of the mechanical structure and circuit structure. Make it in various circumstances can provide accurate data. This paper main research work include: the sensor mechanical structure. On magnetostrictive material performance analysis, select appropriate sensor materials, sensors measuring ruler, maglev son, magnetostrictive transducer, circuit panel design. Research the sensor measurement circuit. According to the subject, design the MCU needed for the core control circuit AT89C51, pulse launch circuit, pulse receiving circuit, counting circuit, temperature measurement circuit, data display circuit. And on the system, the paper analyses the error may occur Keywords magnetostrietion liquid level sensor目 次 TOC \o 1-2 \h \z \u HYPERLINK \l _Toc294086557 1 绪 论 PAGEREF _Toc294086557 \h 1 HYPERLINK \l _Toc294086558 1.1 液位测量的主要方法及发展综述 PAGEREF _Toc294086558 \h 1 HYPERLINK \l _Toc294086559 1.2 液位传感器国内外发展概况 PAGEREF _Toc294086559 \h 2 HYPERLINK \l _Toc294086560 1.3磁致伸缩相关技术国内外研究应用现状 PAGEREF _Toc294086560 \h 5 HYPERLINK \l _Toc294086561 1.4本文研究的目的及主要内容 PAGEREF _Toc294086561 \h 9 HYPERLINK \l _Toc294086562 2 磁致伸缩液位传感器的基本原理 PAGEREF _Toc294086562 \h 12 HYPERLI