随着我国经济的飞速发展，部分地区盲目的开发与建设造成了环境的破坏和污染。环境的质量好坏与人类的生存和生活环境质量息息相关。环境监测是各级环境管理部门的工作重点，其中包括对工业污染源的监控和对大气、地表水、酸雨、噪声、辐射等环境质量的监测。以往的监测监理手段主要采用人工方式，无法满足环境管理数字化、网络化的要求。当前在线监测仪器仪表广泛应用于环保领域，环境数据日益庞大，远程实时监控的意义更加突出。因此建立新型的环境数据通信网络已势在必行。
针对监控现场普遍交通通信不方便的现状，为能够迅速准确掌握监控现场各监测点的工作状况，提高工作效率，本文设计了基于GPRS的环境在线监测系统。该系统采集监测现场的氨氮、化学需氧量、总有机碳、PH等参数，通过GPRS DTU将数据发送到GPRS网上，GPRS网络再将数据发送至Internet网，上位机通过Delphi编写的Socket网络通讯程序传输数据，Socket接受到的数据通过Dbcom控件，将数据存入力控实时数据库中，并将数据动态显示到力控PcAuto的界面上。通过PcAuto制作的上位机监控中心软件，同时监控多个现场设备并实现实时报表和历史报表的显示、查询、打印和报警等功能。
    通过对系统的调试，实现了数据的即时发送和接受，达到了预期目标，证明了本系统的可行性。

With the rapid development of China’s economy, the blind development and construction in some areas have caused serious environmental damage and pollution. But the human survival and quality of life are closely related with the quality of the environment. Online environment monitoring is important work for department,include monitoring pollution、atmosphere、surface water、acid rain、yawa and adiation. Before monitoring measures were mostly used by manual , do not satisfy need of digital and net. Currently instrument of online environment monitoring are applied abroad in field of protecting environment, datas are great and meaning of real time monitoring are important. So environment data traffics were imperative under the situation.
It is a fact that the monitoring locale is always far away for the city and has a bad transportation and telecommunication condition. According to the fact mentioned above,we have developed environment monitoring system based on the GPRS, in order to improve working efficiency. The system collection parameter of cod、bod、ph and so on. Data were send to gprs by gprs dtu, then were send to internet. Monitoring center of the upper computer compile programme of network communication in Delphi, data were saved in real time database of PCAuto, and were dynamic showed on interface. Monitoring center of the upper computer monitor,many locale equipments and carry out function of real time report forms、history report forms and alarm.
   Through debugging this system, the data receiving and dispatching were realized immediately, achieving the anticipated target and proving the feasibility of this system.