电力载波温室大棚监测系统的人机交互研究
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摘要
针对农业温室大棚环境参数的数据采集和控制多依靠人工操作,成本高、效率低、自动化水平低的问题,利用现有输电线路,实现了温室大棚的环境温度、湿度以及二氧化碳浓度等数据的采集和传输系统的设计与开发。采用监视与控制通用系统(MCGS)组态软件,实现温室大棚多种数据的实时监控的人机交互方案。基于Modbus协议,设计主节点和子节点双向串行异步通信协议,实现了计算机机和主节点及组态模块TPC7062TX之间的数据传输,并完成数据的实时图形显示(包括实时采集数据的显示)、异常数据报警以及实时记录各传感器的报警监测日志。试验结果表明,该系统数据通信可靠、操作方便、响应速度快、显示信息完备。
In view of the problems that the data collection and control of environmental parameters in agricultural greenhouse mostly rely on manual operation,the cost is high,the efficiency and the automation level are low,by using power carrier technology of existing transmission lines,design and development of data acquisition and transmission system for environmental temperature,humidity and carbon dioxide concentration in greenhouses are realized. The monitor and control generated system (MCGS)configuration software is used to realize the human-computer interaction scheme of real-time monitoring of multiple kinds of data in greenhouse. The bi-directional serial asynchronous communication protocol between master node and child node is designed based on Modbus protocol to implement the data transmission among PC and main node and configuration module TPC7062TX;and the real-time graphic display of the data which includes the display of real-time collected data,the alarm of abnormal data and the record of alarm monitoring log of each sensor. The experimental results show that the system is reliable in data communication,convenient in operation,fast in response speed and complete in display information.
In view of the problems that the data collection and control of environmental parameters in agricultural greenhouse mostly rely on manual operation,the cost is high,the efficiency and the automation level are low,by using power carrier technology of existing transmission lines,design and development of data acquisition and transmission system for environmental temperature,humidity and carbon dioxide concentration in greenhouses are realized. The monitor and control generated system (MCGS)configuration software is used to realize the human-computer interaction scheme of real-time monitoring of multiple kinds of data in greenhouse. The bi-directional serial asynchronous communication protocol between master node and child node is designed based on Modbus protocol to implement the data transmission among PC and main node and configuration module TPC7062TX;and the real-time graphic display of the data which includes the display of real-time collected data,the alarm of abnormal data and the record of alarm monitoring log of each sensor. The experimental results show that the system is reliable in data communication,convenient in operation,fast in response speed and complete in display information.
引文
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[3]汪义旺,张波,吴烁.基于电力载波通信的LED隧道照明控制器设计[J].电源技术,2011,28(8):985-987.
[4]李文瑞.低压电力线载波通信技术探讨[J].网络通信,2015(12):160.
[5]晏涌,裴梦瑶,刘学君,等.基于FSK电力载波的温室大棚数据通信与监控技术研究[J].电子设计工程,2017,25(10):148-152.
[6]赵勇,王曙光.温室环境无线监控系统设计[J].自动化仪表,2012,33(6):53-55.
[7]何衍兴,王琴,梅甫定.基于MCGS的矿井主提升设备安全监测系统的设计与实现[J].工业安全与环保,2012(2):81-83.
[8]林填达,张泉宏,曾敏,等.基于Modbus协议的STM32与触摸屏通信的实现[J].自动化与仪表,2015(8):45-48.
[9]靳东.实时以太网运动控制总线及其可靠性研究与应用[D].济南:山东大学,2014.
[10]刘兴华.基于MCGS的煤矿监控系统独立设备驱动构件设计[J].煤炭技术,2013(1):122-123.
[11]王传艳,陈婧.MCGS触摸屏组态控制技术[M].北京:北京师范大学出版社,2015.
[12]骆东松,石磊.基于Modbus协议的水厂泵房自动控制系统设计[J].仪表技术与传感器,2016(11):70-72.
[13]孙健,马立阁.燃气电厂DCS与PLC的Modbus通信设计及应用[J].发电设备,2010(4):306-308.
[14]刘学君,卢浩,江帆,等.基于中值滤波与最小二乘法拟合的危化品仓储定位数据的联合去噪算法[J].自动化仪表,2018,39(1):58-61.