《无损探伤机人机接口与通信模块设计》-毕业论文.doc

PAGE w w Tianjin University of Technology and Education 毕 业 设 计 专 业： 电气技术教育 班级学号： 电气 学生姓名： 指导教师： 副教授  天津工程师范学院本科生毕业设计 无损探伤机人机接口与通信模块设计 Design of HMI and Communication Module for nondestructive Inspection Equipment 专业班级：电气 学生姓名： 指导教师： 副教授 系 别：自动化工程系 w w 摘 要 随着电力电子技术、单片机技术和检测技术的不断发展与进步，无损探伤技术作为一种科学技术，已经迅速发展并较为成熟，在军事、科研、工业、农业和医疗等许多领域得到了广泛的应用。 本文在第一章主要介绍了无损探伤的几种常用方法，叙述了X射线探伤的基本原理，并简要介绍了本此设计所做的主要工作。第二章重点介绍了以AT89S52单片机为核心的系统结构设计和系统工作流程设计。第三章是相关硬件电路和软件程序的设计，具体实现了人机接口功能模块设计，包括使用键盘作为工作指令输入设备，通过LED数码管显示系统工作状态和工作电压。第四章主要介绍了系统通信功能模块设计，具体选定RS-485通信协议实现远距离串行通信，从而使无损探伤机具有遥操作功能，以确保操作人员的人身安全。 关键字：无损探伤；人机接口；通信；单片机 ABSTRACT With the development of electric and electronic technology, MCU technology and detection technique, non-destructive inspection technology of flaw detection as a kind of science and technology in China, has already developed rapidly and comparatively ripe, which is widely used in lots of fields such as military, scientific research, industry, agriculture and medical treatment. In chapter 1, several kinds of commonsense methods of non-destructive inspection are mainly introduced, and the basic principle of inspection by using of X ray and the groundwork done in this design are roughly narrated. In chapter 2, systematic structural design and systematic workflow taking AT89S52 as the core are recommended especially. In chapter 3, the circuit of relevant hardware and software are designed, and the design of function module of HMI is achieved, including keyboard as the display system, and working voltage and working state through LED number are displayed. In chapter 4, the design of the function module of systematic communication is mainly recommended, with specifically selecting RS-485 communication protocol to realize remote serial communication, thus non-destructive inspection machine is operated the function at a distance, which may makes sure the personal security. Key words：non-destructive inspection；HMI；communication