自动化仪表-01

1、 Zhengzhou University of Light IndustryDepartment of Electrical & Information EngineeringTelmail: Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:2 22022-4-232022-4-23教材：控制仪表及装置教材：控制仪表及装置主编：吴勤勤主编：吴勤勤化学工业出版社化

2、学工业出版社2008年年1月月 第第3版版ISBN 978-7-5025-9923-2Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:3 32022-4-232022-4-23课程学时：课程学时：40学时（理论学时（理论34学时，实验学时，实验6学时）学时）参考书籍：参考书籍：1厉玉鸣厉玉鸣.化工仪表及自动化化工仪表及自动化M.北京北京:化学工业出版社化学工业出版社,20032王玲生王玲生.热工检

3、测仪表热工检测仪表M.北京北京:冶金工业出版社冶金工业出版社,19943龚家彪龚家彪.热工测量和仪表热工测量和仪表M.北京北京:中国工业出版社中国工业出版社,19954宋佳霖宋佳霖.电动控制仪表技术原理电动控制仪表技术原理M.北京北京:化学工业出版社化学工业出版社,20045刘巨良刘巨良. 过程控制仪表过程控制仪表M.北京北京:化学工业出版社化学工业出版社,20086王可华王可华. 石油仪表及自动化石油仪表及自动化M. 北京北京:石油工业出版石油工业出版 社，社，20067何道清何道清.仪表与自动化仪表与自动化M.北京：化学工业出版社北京：化学工业出版社,2008Zhengzhou Unive

4、rsity of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:4 42022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:5 52022-4-232022-4-23Zhengzhou University of L

5、ight IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:7 72022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:8 82022-4-232022-4-23Zhengzhou University of Light Indus

6、tryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:9 92022-4-232022-4-23自动化仪表自动化仪表模拟式仪表模拟式仪表数字式仪表数字式仪表控制器控制器变送器变送器转换器转换器运算器运算器附加单元附加单元执行器执行器可编程调节器可编程调节器PLC智能变送器智能变送器阀门定位器阀门定位器DCSFCSZhengzhou University of Light IndustryZhengzhou University of Light IndustryZheng

7、zhou University of Light IndustryPage:Page:10102022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:11112022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou Uni

8、versity of Light IndustryPage:Page:12122022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:13132022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University

9、of Light IndustryPage:Page:14142022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:15152022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light

10、 IndustryPage:Page:16162022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:17172022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light Industr

11、yPage:Page:18182022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:19192022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Pa

12、ge:20202022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:21212022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:22222

13、022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:23232022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:24242022-4-23

14、2022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:25252022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:26262022-4-232022-4-2

15、3Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:27272022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:28282022-4-232022-4-23Zhengzh

16、ou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:29292022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:30302022-4-232022-4-23Zhengzhou Unive

17、rsity of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:31312022-4-232022-4-23精密度表示多次重复测量中，传感器测得的值彼此之间精密度表示多次重复测量中，传感器测得的值彼此之间的重复性或分散性大小的程度。它反映随机误差的大小的重复性或分散性大小的程度。它反映随机误差的大小，随机误差越小，测得的值就越密集，重复性越好，精，随机误差越小，测得的值就越密集，重复性越好，精密度越高。密度越高。正确度表示多次重复测量中，传感

18、器测得值的算术平均正确度表示多次重复测量中，传感器测得值的算术平均值与真值的接近程度。它反映系统误差的大小，系统误值与真值的接近程度。它反映系统误差的大小，系统误差愈小，测得值的算术平均值就愈接近真值，正确度愈差愈小，测得值的算术平均值就愈接近真值，正确度愈高。高。准确度表示多次重复测量中，传感器测得值与真值的一准确度表示多次重复测量中，传感器测得值与真值的一致的程度。它反映随机误差和系统误差的综合大小，只致的程度。它反映随机误差和系统误差的综合大小，只有当有当随机误差和系统误差随机误差和系统误差都小时，准确度才高。准确度也都小时，准确度才高。准确度也简称精度。简称精度。Zhengzhou U

19、niversity of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:32322022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:33332022-4-232022-4-23Zhengzhou Universit

20、y of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:34342022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:35352022-4-232022-4-23Zhengzhou University of Lig

21、ht IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:36362022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:37372022-4-232022-4-23%100maxFSRYRRZhengzhou University o

22、f Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:38382022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:39392022-4-232022-4-23Zhengzhou University of Light

23、IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:40402022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:41412022-4-232022-4-23Zhengzhou University of Light Industry

24、Zhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:42422022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:43432022-4-232022-4-23Zhengzhou University of Light IndustryZhengzho

25、u University of Light IndustryZhengzhou University of Light IndustryPage:Page:44442022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:45452022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou Univer

26、sity of Light IndustryZhengzhou University of Light IndustryPage:Page:46462022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:47472022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of

27、Light IndustryZhengzhou University of Light IndustryPage:Page:48482022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:49492022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light In

28、dustryZhengzhou University of Light IndustryPage:Page:50502022-4-232022-4-23组组成成自动化装置自动化装置被控对象被控对象测量元件与变送器测量元件与变送器自动控制器自动控制器执行器执行器Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:51512022-4-232022-4-23Zhengzhou University of

29、Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:52522022-4-232022-4-23Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:53532022-4-232022-4-23Zhengzhou University of Light In

30、dustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:54542022-4-232022-4-23左图是乙烯生产过左图是乙烯生产过程中脱乙烷塔的工程中脱乙烷塔的工艺管道及控制流程艺管道及控制流程图图 举例举例Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:5555202

31、2-4-232022-4-23 检试点检试点是由工艺设备轮廓线或工艺管线引到仪表圆是由工艺设备轮廓线或工艺管线引到仪表圆圈的连接线的起点，一般无特定的图形符号，如下图圈的连接线的起点，一般无特定的图形符号，如下图所示。必要时，检测元件也可以用象形或图形符号表所示。必要时，检测元件也可以用象形或图形符号表示。示。Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:56562022-4-232022-4-

32、23 通用的仪表信号线均以细实线表示。连接线通用的仪表信号线均以细实线表示。连接线表示交叉及相接时，采用下图的形式。必要时也表示交叉及相接时，采用下图的形式。必要时也可用加箭头的方式表示信号的方向。可用加箭头的方式表示信号的方向。Zhengzhou University of Light IndustryZhengzhou University of Light IndustryZhengzhou University of Light IndustryPage:Page:57572022-4-232022-4-23 仪表的图形符号是一个细实线圆圈，直径约仪表的图形符号是一个细实线圆圈，直径约10mm，对于不同的仪表安装位置的图形符号如，对于不同的仪表