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1、 立体停车库控制立体停车库控制 PLC 设计设计 摘摘 要：要：近几年，随着人民生活水平的提高，及汽车价格的一降再降，有车 在老百姓看来已是越来越平常的事。可是，如果你住在一些较老的小区，会发现， 买车容易，停车可就难了；更有甚者，有些人为了能在市中心上班地找到一个泊车 位，不得不比挤公车起得还早。为什么会这样，这既有历史原因，人们没想到国人 会如此快的拥有自己的家庭轿车，也有中国过于太快的城市化，使城市本就薄弱的 基础设施捉襟见肘，所以，国家不能承受城市无限度的外扩，也就不允许在每个建 筑外面留下大块的空地作为停车场。因此， “车库”是大中城市的热门话题，国家经 贸委将“城市立体车库”列为“
2、近期行业技术发展重点” ，随着家用汽车的不断增加， 公共场所及社区内存车矛盾、车挤绿地的问题将会越来越突出，在人们对生活质量 和环境意识不断增强之时“车库”日渐成为热门话题，机械自动化立体车库将会在新 开发的楼盘及商业里大显身手。 随着汽车的急增致使城市停车难问题不断恶化,而作为解决城市静态交通的有效 措施向空间、向高层发展的自动化立体停车设备,以其占地面积少、停车率高、 布置灵活、高效低耗、性价比高、安全可靠等优点,越来越受到人们的青睐。目前市 面上常见的机械式立体停车库有：升降横移类、垂直循环类、多层循环类、水平循 环类、平面移动类、巷道堆垛类、垂直升降类和简易升降类等 8 种,其中水平循
3、环类 以其结构简单、操作方便、安全可靠、造价低等优点,在国内车库市场占有绝对优势 的市场份额。本文介绍了一种由 PLC 作为主控制器，位于地下 2 层 8 车位的水平循 环式立体停车库的控制系统，详细论述了其电控系统的软硬件结构，为立体停车库 提供了一种新的存储方式。其稳定、可靠、快速、性价比高的特点使得控制系统非 常完美。 关键词：关键词：PLC；立体停车库；升降机；载车板；自动化；车位控制 。 Abstract: In recent years, with the improvement of living standards, and vehicle prices dropped low
4、er and lower, there are car people seem to have become more and more commonplace. However, if you live in some older communities, you will find easy to buy a car, parking can be difficult; Even worse, some people go to work in the city center in order to find a parking space, had to play more than c
5、atch the bus was still early. Why this is so, it has a historical reason, people did not think people would be so quick to have their own family cars, as well as Chinese Guo Yu too fast urbanization, the urban poor in this respect of the infrastructure stretched, so the country can not afford city W
6、u Xian degree of foreign expansion, Also not allowed to leave in each large open space outside the building as a parking lot. Therefore, the “garage“ is a hot topic in cities, the State Economic and Trade Commission to “city parking“ as “the recent industry focus on technological development“, as th
7、e family car increases, the public spaces and community memory conflicts car, cars crowded green issues will become increasingly prominent in peoples quality of life and time of growing environmental consciousness, “the garage“ is becoming a hot topic, automated parking machines will be in the new r
8、eal estate and business in the development of their skills. With the surge in the urban car parking difficulties are worsening, and solve the city as an effective measure of static traffic - to space development to the high level of automated parking equipment, with its small area, parking rates, fl
9、exible layout efficient low power, cost-effective, safe and reliable, more and more people of all ages. Currently on the market common mechanical parking are: lifting and class, vertical circulation class, multi-cycle class, level loop, plain mobile class, laneway type, vertical lifting type and sim
10、ple movements such as 8 classes, Cycle in which the level of its class structure is simple, convenient, safe, reliable and low cost advantages of market share in the domestic garage absolute advantage of the market. This paper introduces a by the PLC as the master controller, 8 parking spaces at gro
11、und floor level of 2 circular parking control system, discussed in detail the electronic control system hardware and software structure for parking provides a new is stored. Its stable, reliable, fast and high performance features make the control system is perfect. Keyword: programmable logic contr
12、ol(PLC) ；stereo parking garage；lifter；carry- board ；automation; parking control. 目录目录 【摘要】 【关键词】 第一章绪 论 1 PLC 相关的介 绍 1 11 什么是 PLC 1 12 PLC 的发展历 史 1 13 PLC 的市场情 况 2 第二章 系统的构 成 2 2. 1 机械系统的功能转 换 2 2. 2 立体停车库电气系 统 3 第三章 控制系统的软件设 计 5 3. 1 存取车控制系统的流程 图 5 3. 2 控制器 PLC 的 I/O 口分配 表 8 第五章 结束 语 10 第六章 致 谢 11
13、参考文献 12 1 绪论绪论 1PLC 相关的介绍 1.1 什么是 PLC PLC 来源可编程序控制器的英文为 Programmable Controller,在二十世纪 70-80 年代一直简称为 PC。由于到 90 年代,个人计算机发展起来,也简称为 PC; 加之可编程序的概念所涵盖的范围太大,所以美国 AB 公司首次将可编程序控制 器定名为可编程序逻辑控制器 (PLC-Programmable Logic Controller),为了方 便,仍简称 PLC 为可编程序控制器。有人把可编程序控制器组成的系统称为 PCS 可编程序控制系统,强调可编程序控制器生产厂商向人们提供的已是完整的系统 了。 PLC 是以微处理器为基础，综合自动控制技术和通信技术发展起来的一种 通用的工业自动控制装置，它具有体积小，功能强，程序设计简单，灵活通用， 维护方便等一系列的优点，特别是它的高可靠性和较强的适应恶劣工业环境的 能力，使它成为大规模控制工程的理想下位机。 1.2 PLC 的发展历史 自 1968 年美国 GM(通用汽车)公司第一次提出取代继电器控制装置以来,现 在已有第五代 PLC 产品了。PLC 除了以连续量为主的反馈控制外,特别在制造工 业中存在了大量的开关量
