摘 要在工业自动化领域，可编程控制器作为自动控制的重要组成部分，已成为大多数自动化系统的设备基础。设计商场客流量统计系统旨在解决统计商场客流的任务。本设计通过分析商场客流的特点，制定了基于 PLC 的客流量统计系统的设计方案，详细阐述了主要包括 PLC、语音芯片、液晶显示器等元器件的工作方式、执行过程等容，完成了控制系统的硬件和软件设计，实现了统计商场客流的任务。商场客流量的统计能帮助商场管理人员更合理地经营，做好预防意外事故的准备，具有很大的应用价值。关键词：可编程控制器 客流量 控制系统 硬件和软件设计ABSTRACTIn the industrial automation domain, the programmable controller took the automatic control the important constituent, has become the majority automated system the equipment foundation.Designs the market passenger capacity statistics system to be for the purpose of solving counts the market passenger flow the duty.This design through analyzes the market passenger flow the characteristic, has formulated based on the PLC passenger capacity statistics system design proposal, elaborated in detail mainly includes PLC, pronunciation chip, liquid-crystal display and so on contents and so on primary device workings, implementation, has completed the control system hardware and the software design, realized has counted the market passenger flow the duty.The market passenger capacity statistics can help the market administrative personnel to manage reasonably, prepare for the prevention accident, has the very big application value.KEY WORDS ： Programmable controllerpassenger capacitycontrol systemhardware and software design目录第一章 绪论 I第二章系统设计方案的论证与比较 1第一节 PLC 的选择 1第二节 语音芯片的选择 1第三节 显示模块的选择 1第三章系统硬件设计 1第一节 统硬件框图 1第二节激光检测电路 1第三节 语音播报电路 1第四节 液晶显示电路错误！未定义书签。第四章系统软件设计 21第一节总体流程设计 21第二节 统软件程序说明...
