产品质量在线监控系统的设计--毕业论文.docxVIP

PAGE \* MERGEFORMATI 产品质量在线监控系统的设计 摘要 随着科技和工业技术的迅猛发展，本文根据我国灌装产品质量检测仪器的市场需求和发展现状，对酒类产品生产线的灌装量在线监控系统进行了关键技术的研发。系统设计的基于单片机和超声波测距的产品灌装量检测系统主要的电路组成有：单片机最小系统电路、超声波收发电路、温度补偿电路、液晶显示电路、按键启动控制电路等。系统通过超声波收发传感器测量灌装产品液位的距离，从而换算得到灌装产品液位的高低是否符合标准，并通过显示屏显示给用户。 关键词 单片机 产品质量监控 灌装量 超声波 PAGE \* MERGEFORMATII Abstract With the rapid development of science and technology and industrial technology, According to market demand and the development status of filling product quality testing equipment, production lines for alcoholic products Filling of online monitoring system research and development of key technologies. System design based on the primary circuit and microcontroller Ultrasonic Ranging product fill level detection system components are: minimum system microcontroller circuit, ultrasonic transceiver circuit, temperature compensation circuit, LCD display circuit, button-start control circuit. System measured by the ultrasonic sensor distance filling product level, thereby filling product level obtained by converting the level of compliance with standards, and through the display to the user. Key words MCU product quality control filling volume ultrasound PAGE \* MERGEFORMATIV 目录  TOC \o 1-3 \h \z \u  HYPERLINK \l _Toc449709443 摘要  PAGEREF _Toc449709443 \h I  HYPERLINK \l _Toc449709444 Abstract  PAGEREF _Toc449709444 \h II  HYPERLINK \l _Toc449709445 第1章 绪论  PAGEREF _Toc449709445 \h 1  HYPERLINK \l _Toc449709446 1.1 研究背景与意义  PAGEREF _Toc449709446 \h 1  HYPERLINK \l _Toc449709447 1.2 课题的研究现状  PAGEREF _Toc449709447 \h 1  HYPERLINK \l _Toc449709448 1.3 主要内容与结构  PAGEREF _Toc449709448 \h 2  HYPERLINK \l _Toc449709449 第2章 系统硬件结构设计  PAGEREF _Toc449709449 \h 3  HYPERLINK \l _Toc449709450 2.1 系统总体设计方案  PAGEREF _Toc449709450 \h 3  HYPERLINK \l _Toc449709451 2.1.1 超声波测距原理  PAGEREF _Toc449709451 \h 3  HYPERLINK \l _Toc449709452 2.1.2 系统总体结构设计  PAGEREF _Toc449709452 \h 3  HYPERLINK \l _Toc449709453 2.2 单片机控制电路