摘要: 针对污水处理过程复杂、区域广、监测点多、现场布线困难等特性，以CC2530为核心设计了无线传感器节点和汇聚节点，实现对污水处理过程中的设备状态、污水的浊度、PH值、重金属离子量等监测因子的实时采集，以ZigBee技术实现各无线传感器节点之间的数据传输，以GPRS技术实现汇聚节点与远程监管系统对接；为确保监控系统所接信号不影响原控制系统的正常运行，特设计了高精度电流扩展模块、串口扩展模块等。系统有很好的灵活性和扩展性，运行稳定可靠，为提高污水处理效率和节能环保起到重要作用。78294

毕业论文关键词：污水处理，CC2530，ZigBee技术，GPRS技术，无线传感器

Abstract:For the complex process, wide area , many monitoring nodes, difficult site wiring and many other characteristics of the sewage treatment, wireless sensor node and sink node are designed with CC2530 as the core, in order to collect equipment status, turbidity of sewage, PH value, the amount of heavy metal ion and some other monitoring factors with real-time during sewage treatment。 ZigBee technology are used to achieve the data transmission among wireless sensor nodes,GPRS technology are used to achieve the docking between sink node and remote supervision system。High precision current expansion module and Serial port expansion module are specially designed, in order to ensure the normal operation of original control system won′t be affected by the signal of monitoring system, The system has good flexibility and expansibility, the operation is stable and reliable。Wastewater treatment process plays an important role in improving the efficiency of sewage treatment and energy saving。 

Keywords: sewage treatment, CC2530, ZigBee technology, GPRS technology, wireless sensor

目录

1 前言 4

1。1 目的与意义 4

1。2 污水监测现状 4

1。3 物联网的简介 5

2 系统总结构 5

3 无线传感器网络 6

3。1 无线传感器网络的定义 6

3。2 无线传感器网络的体系结构 7

3。3 无线传感器网络的特点 8

4 CC2530 9

4。1 CC2530的引脚描述 9

4。2 CC2530的功能介绍 11

4。3 CC2530的运行条件 12

5 ZigBee 12

5。1 ZigBee的技术简介 12

5。2 ZigBee的技术特点 13

5。3 ZigBee 网络拓扑结构 14

5。4 ZigBee 协议栈 14

6系统硬件设计 15

6。2 汇聚节点的硬件设计 15

6。2废水监测节点硬件设计 16

6。2。1 废水中pH值监测 17

6。2。2 废水中重金属离子的监测 18

6。2。3 废水浊度的检测 19

6。3 嵌入式网关硬件设计 20

7 系统软件设计 21

7。1 废水监测节点的软件设计