目 录
1 绪论.......................................................................................................................................1
1.1 课题研究的意义.............................................................................................................1
1.2 国内外发展与现状.........................................................................................................1
1.3 本文主要研究内容.........................................................................................................2
2 输电杆塔振动识别单元的整体设计方案...........................................................................3
2.1 输电杆塔振动识别单元的硬件设计方案.....................................................................3
2.1.1 传感器......................................................................................................................4
2.1.2 微处理器..................................................................................................................5
2.1.3 无线通信..................................................................................................................5
2.1.4 电源转换模块..........................................................................................................6
2.2 软件设计方案.................................................................................................................8
2.3 本章总结.........................................................................................................................8
3 输电杆塔振动识别单元的硬件实现.................................................................................10
3.1 系统电源设计...............................................................................................................10
3.1.1 IAS-2W 系列 DC-DC 转换器...............................................................................11
3.1.2 AS1117 芯片电路连接图 .....................................................................................11
3.1.3 MC1403 电路连接图 ............................................................................................12
3.2 振动信号调理电路设计...............................................................................................12
3.2.1 放大电路设计........................................................................................................12
3.2.2 滤波电路设计........................................................................................................13
3.2.3 限幅电路设计........................................................................................................14
3.2.4 加法电路设计........................................................................................................15
3.3 微处理器芯片外围电路设计.......................................................................................16
3.3.1 JTAG 调试接口.....................................................................................................17
3.3.2 晶体振荡电路........................................................................................................17
3.4 通讯模块的实现...........................................................................................................18
3.5 本章总结.......................................................................................................................18
4 输电杆塔振动识别单元的软件实现.................................................................................20
4.1 总体程序设计...............................................................................................................20