Design Of On-line Sewer-line Monitoring Network Based On The Remote Distributed GPRS

As is known to us, Beijing is the political, economic and cultural center of China. At the same time, it is a cosmopolitan city as well. As an integral part of the urban infrastructure construction, the municipal sewer system plays a very important part in the urban construction and development. However, because of having quite a long history, Beijing has a large and complex drainage network. So that it is not so easy to control all of the information of the municipal sewer system. Besides, all the above factors make it difficult to maintain and manage the municipal sewer network. In the meantime, it is a bad influence for the further development of Beijing. In recent years, more and more wounding incidents, which are caused by explosion of poisonous gas in the sewer, have occurred across the country. In order to be able to grasp the situation of the sewer system and to make appropriate preventive or treatment for problems that may occur or have occurred in time, we have designed and developed a network, which is called the on-line sewer-line monitoring network based on the remote distributed GPRS (that is General Packet Radio Service), which is shorted by OSMNRDGBy the way, let me show you what and how we do in this paper. For the sake of introducing the design and development process of the on-line sewer-line monitoring network based on the remote distributed GPRS (OSMNRDG), this paper is divided into four parts. First of all, we analyzed the practical significance in real life of the on-line sewer-line monitoring network based on the remote distributed GPRS. At the same time, we understood the status, advantages and shortcomings of such technology both at home and abroad, as well as some technical base that is related to the target system we aimed at. And theses correlative technology includes the sensing technology, GIS (that is Geographic Information System), DCS (distributed control system), GPRS (that is General Packet Radio Service), and so on. After that, we made in-depth analysis and research for the sewer-line monitoring system needs of the firm. Through that we nailed down the final task of the design. Above all, we worked out the whole design plan of the system, and then we designed from two aspects, the hardware deployment and the software deployment. Between the two parts, we made our focus on the software design and development, which comprises the communication software and the application software. In the software design, we have elaborated designs of a number of communication protocols and modules (such as the command platform-digital operating box and communication protocols, the monitoring system-SMS module and communication protocol, the GPRS module). More than that, we have done a description of how to build the database step by step at great length. Just because the database of pipe network is to accommodate a great number of varieties of information, it must be very large. For this reason, it is impossible to make a complete design all at once. Therefore, according to the goal of the database design, we begin with the overall system data model design, then logic model design of system data sets, and end up with the relational data structure design. In addition, the authority, the classification of level, the division of scope, the granularity of access and coding approach of the system users and the role had been designed. Whereafter, we integrated and debug the designed system. Of course, in the process, we found some problems. In spite that some of these problems are a little difficult, we carried out some corresponding explanation and description of them all the same. Obviously, we also obtained some experience. In the end, after completing the design and development work of sewer-line monitoring network, we summed up the experience and lessons throughout the design and development process, which may be good to some people, who will do some design or program. What's more, we did a bit of prospects for the future at last.In this paper, under the premise of a comprehensive understanding of the current relevant technological advances and their advantages and disadvantages, we carry out the design and implementation of the on-line sewer-line monitoring network based on the remote distributed GPRS. The network makes full use of existing resources, and it can provide the enterprise with a reliable service. Further more, the program makes a description of the on-line monitoring network's design and composition in details. In case of being combined with the corresponding terminal units, it can consuite a relatively complete and stable sewer-line on-line monitoring system that is based on the remote distributed GPRS. As a result, we can say the program has a certain practical value and generalized significance in real life.