自动化毕业论文--AGV智能充电站的设计及应用

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1、 毕业设计（论文） AGV 智能充电站的设计及应用智能充电站的设计及应用 二零一四年五月 编编 号号 摘要 I 摘摘 要要 AGV 是自动导引运输车（Automated Guided Vehicle）的英文缩写，是指装 备有电磁或光学等自动导引装置，能够沿规定的导引路径行驶，具有安全保护 以及各种移载功能的运输车。普遍应用于自动化物流系统，在物流系统中担负 平面运输设备的自动引导车，是物流系统的重要组成部分。AGV 一般以电池为 动力，也有用非接触能量传输系统CPS（Contactless Power System）为动力 的。目前对充电机等 AGV 能源供给系统的研究设计较少，另外当前新建充

2、电站 普遍实行无人值守或少人值守，这就要求充电机的可靠性及自动化程度更高， 功能更加完善，能够具有较高的免维护性。此次智能充电站在设计上为保证设 备常年连续运行的可靠性， CPU 设计采用西门子 S7220 CPU224XP PLC， HMI 设计采用步科 ET070 型号触摸屏作为人机交互界面，主整流器设计采用了三相 桥式全控整流电路，控制电路采用数字闭环控制触发电路，具有可靠性高、三 相平衡性好、相序自适应能力强等优点，同时具有自动限压恒流功能、过压过 流保护功能及软起动等功能。本文主要介绍了 AGV 智能充电站的工作原理、功 能简介、外围硬件电路设计及 PLC 控制方式等。 关键词：关键

3、词：AGV 智能充电站；PLC；自动化物流系统；HMI；三相桥式全控整 流电路 Abstract II ABSTRACT AGV is homing transporter (Automated Guided Vehicle), is equipped with electromagnetic or optical automatic guiding device, such as Guided by the move to routes, which has the function of security protection and a variety of transfer truck

4、. Widely used in automatic logistics system, in the logistics system for horizontal transport equipment of automatic guided vehicle, is an important part of logistics system. AGV usually powered by batteries, also useful Contactless energy transmission System, the CPS (Contactless Power System) for

5、Power. At present the study of AGV energy supply system such as charger design is less, in addition the current new charging stations commonly practiced unattended or less unattended, this requires the reliability of the charger and higher degree of automation, functions more perfect, can have highe

6、r free maintenance. The intelligent charging station in the design to ensure the reliability of continuous running, all the year round CPU224XP CPU design USES Siemens S7-220 PLC, HMI design USES step ET070 model touch screen as human-computer interaction interface, the main rectifier design USES three-phase bridge type all control the rectifier circuit, control circuit adopts digital closed-loop control trigger circuit with high reliability and good three-phase balance and phase sequen