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1、重庆大学本科学生毕业设计（论文）基于51单片机的多功能银行叫号系统的设计与分析学 生：江妮学 号：20074652指导教师：陈新龙专 业：电子信息工程重庆大学通信工程学院二O一O年六月Graduation Design(Thesis) of Chongqing University51 MCU-based calling system multi-function banking Design and AnalysisUndergraduate: Jiang NiSupervisor: Prof. Chen XinlongMajor: Electronics Information Engin
2、eeringCollege of Communications EngineeringChongqing UniversityJune 2011and performance test copies of the record. If necessary, review should be carried out; 4) for spring hangers (included simple spring, hangers and constant support hangers) it should also be recognized as setting and locking of l
3、oads. 5) check the surface quality, folded layering and without cracks, rust and other defects. 5) after completion of the test and control drawing number one by one, by series baled. Color alloy steel parts, the parts marking installation location and rotation about the direction you want. 7.3.14.
4、hangers installation 7.3.14.1 hanger layout a. a clear design of hanger should be installed strictly in accordance with the drawings and designs shall not be installed wrong, missing, etc. B. own arrangement of piping support and hanger set and selection should be based on comprehensive analysis of
5、general layout of piping systems; cold installation of steam pipe with particular attention reserved for compensation of thermal expansion displacement and orientation. C. support systems should be rational to withstand pipe loads, static load and incidental load; reasonable piping displacement; gua
6、ranteed under various conditions, stress are within the allowed range. Strength, stiffness, and meet requirements to prevent vibration and soothing water, without affecting the adjacent equipment maintenance and other piping installation and expansion. D. equipment connected to the interface to meet
7、 pipeline thrust (torque) limit requirements; increase the stability of piping systems to prevent pipeline . Tube wall thickness (mm) 2-3 4-6 7-10 weld form no slope mouth weld strengthening height h (mm) 1-1.5 1.5-2 weld width b (mm) 5-6 7-6 has slope mouth weld strengthening height h (mm) 1.5-2 2
8、weld width b (mm) cover had each edge slope mouth about 2 mm argon arc welding weld strengthening surface height and width tube wall thickness (mm) 2-3 3-4 5-6 weld form weld strengthening height h (mm) 1-1 .5 1.5-2 2-2.5 width b (mm)重庆大学本科学生毕业设计（论文） 中文摘要摘 要近年来，随着我国社会经济的持续快速发展，长时间的站立排队已成为金融机构、电信、医院、
9、政府办事大厅等场所的常见现象，以通信技术与计算机技术为基础的智能排队管理系统也应运而生。因此，本文设计了一种基于51单片机技术的多功能排队叫号系统，具有语音提示、LCD中英文显示屏信息提示等功能，较好的解决了排队系统中存在的几个实际问题。本论文首先分析了国内外智能排队技术的发展现状，指出了在智能排队系统中采用单片机的优势，剖析了一般排队叫号系统的业务需求和基本功能，采用软硬件协同设计的方法，提出了排队叫号系统的整体设计方案。其次，本文详细介绍了采用51单片机实现多功能银行叫号系统等系列问题。给出了排队系统三个主要模块的硬件和软件设计方案，即基于51单片机的排队主机、语音提示电路、LCD中英文显
10、示屏提示电路。再者，本文分别对系统的硬件和软件设计与实现方法进行了说明，给出了系统基本功能的仿真结果和分析。总结了本文所做的工作和存在的问题，并对下一步系统的功能扩展进行了展望。本课题设计的基于51单片机多功能排队叫号系统具有成本低、结构简单、可靠性高、维护操作简单方便、性价比较高等特点，具有较强的适用性和推广价值。关键词：51单片机，排队系统，LCD中英文显示屏，语音模块II重庆大学本科学生毕业设计（论文） ABSTRACT ABSTRACTIn recent years, as Chinas sustained and rapid economic development ，a Long
11、standing line up has become a financial institution, telecommunications, hospitals, government work and other places of common phenomenon in the hall, according to calculations by communication technology and technology-based intelligent queue management system also came into being. Therefore, we de
12、signed a single chip technology based on 51 multi-functional call queuing system, with voice prompts, LCD display of information tips and other functions, better solution of the queuing system to promote the existence of several practical problems.The authors analyze the situation at home and abroad
13、 queuing technology, pointed out that the queuing system in the intelligent use of the advantages of single chip, analysis of a general queuing system and basic functions of the business needs, use of hardware and software co-design approach, proposed queuing systems overall design.Secondly, the pap
14、er describes the use of 51 single chip multi bank calling system, and other issues. Queuing system is given three main modules of the hardware and software design, 51 MCU line is based on the host, the voice prompt circuit, LCD display prompts the circuit.Furthermore, the paper on the system hardwar
15、e and software design and implementation are described, the basic functions of the system are given the simulation results and analysis. This article summarizes the work and problems, and further expand the functions of the system were discussed.The design of microcontroller based on 51 multi-function call queuing system is low cost, simple structure, high reliability, maintenance and operation easy, high cost performance characteristics, with strong applicability and promotional value.Key words： 51 single chip, Queuing system, LCD dis
