基于数字温度传感器DS18B20的多路分布式测温系统的设计.pdf

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1、目录摘要....................................................................................................................-3-绪论....................................................................................................................-4-第一章背景及研究意义.............................

2、.........................................................-5-1.1温度传感器的发展状况.............................................................................-5-1.2智能温度传感器发展的新趋势.................................................................-5-1.2.1提高测温精度和分辨力...............................

3、.......................................-6-1.2.2增加测试功能......................................................................................-6-1.2.3总线技术的标准化与规范化..............................................................-6-1.2.4可靠性及安全性设计.............................................

4、.............................-6-1.2.5虚拟温度传感器和网络温度传感器..................................................-7-1.2.6单片测温系统......................................................................................-8-1.3选题背景和研究意义..................................................................

5、...............-8-第二章方案设计与论证......................................................................................-9-2.1方案一：使用AD7416作为传感器...........................................................-9-2.2方案二：使用DS18B20作为传感器.........................................................-9-2.3

6、方案比较...................................................................................................-10-第三章DS18B20简介.........................................................................................-11-3.1DS18B20的特点..........................................................

7、.............................-11-3.2DS18B20的内部结构...............................................................................-11-3.3DS18B20的使用注意事项.......................................................................-14-3.4DS18B20的工作原理.............................................

8、...................