摘要: 电梯防超载报警系统采用ZigBee技术,这种技术是一种短距离、复杂度低、功耗低、传播速率低、成本低的双向无线通信技术。主要用于距离短、功耗低且传输速率不高的各种电子设备之间进行数据传输以及典型的有周期性数据、间歇性数据和低反应时间数据传输的应用。76363

本文着重于介绍基于ZigBee的数据采集部分，选用ZigBee将终端传感器收集的各种参数传至网关，再采用有线形式将网关数据传至地中央控制计算机，由计算机对数据进行分析。

根据课题要求分析了系统设计的原则、性能要求，选择CC2430作为本设计的主芯片，讲述了无线数据采集性技术，并对液晶显示器器进行了比较,选用LCD1062液晶显示器。根据方案，画出了结构框图，绘制Protel原理图，介绍电源电路,串口转换电路,天线电路。根据设计要求，选择IAR开发环境，介绍了其应用步骤。

毕业论文关键词: 无线数据采集 电梯防超载  ZigBee技术  CC2430  LCD1062  IAR

Abstract:    The elevators' anti-overload alarming system adopts ZigBee technology。    ZigBee technology is a kind of close, low complexity and low cost, low power consumption, low rate of two-way wireless communication technology。 Is mainly used for short distance and low power consumption and transmission rate is not high to data transmission between various kinds of electronic equipment, as well as the typical periodic data, intermittent data and low response time data transmission applications。

This paper focuses on the part of data acquisition based on ZigBee, using ZigBee terminal sensors to collect all kinds of parameters to pass to the gateway, then using cable will be the gateway to transmit the data to the central control computer, analyze the data by computer。

According to project requirement analysis to the principles of system design, performance requirements, choose CC2430 as the design of main chip, tells the story of the wireless data acquisition technology, and compares the liquid crystal display device, choose LCD1062 LCDS。 According to the scheme, draw the structure diagram, map Protel principle, introduces the power supply circuit, serial interface conversion circuit, the antenna circuit。 According to the design requirements, choose the IAR development environment, the application steps are introduced。

Keywords:  The wireless data acquisition The elevators' anti-overload  ZigBee technology   CC2430   LCD1062   IAR

目录

1    引言 1

1。1  课题背景 1

1。2  课题意义 1

1。3  课题内容及论文结构 1

2    关键技术介绍 2

2。1  ZigBee技术 2

2。2  ZigBee网络拓扑结构 2

2。3  ZigBee结构体系 3

2。4  本系统中的应用 4

2。5  显示电路 5

3    总体设计方案 7

3。1  总体设计方案模型 7

3。2  总体设计电路原理图 8

4    系统硬件设计 9

4。1  硬件结构设计 9

4。2  CC2430无线传输模块的电路