A Research Of Mine Ventilation Selection System Based On WEB

In this subject study, a Model-Mating Network for Mine Ventilation Fans are developed under the demanding of mines based on the analysis and generalization of modeling-mating software researches both in China and abroad.First, the author builds the theoretical model for the network. By least square method and similarity law, the author fits non-dimensional performance equation, creates mine ventilation net characteristic equation by main ventilating shaft air pressure and air volume balance law and main ventilating shaft resistance pressure law, computes the operating mode parameters by interpolation method, and thus creates the theoretical model for mine ventilation fans.Secondly, according to practical demands, B/S structure is built. The server program and client program for model-mating are developed by ASP, VBScript and Jscript languages with the support of Internet/Intranet network structure, TCP/IP network transmission protocol, Windows 2000 Server operating system,transmission protocol, Windows 2000 Server operating system, Microsoft IIS server, HTML language. The invoking and development of functional image is accomplished with the aid of Create. Object Component of ASP and VB6.0 and the connection to Microsoft Access is made by ADO component of ASP to construct network database. Then with modular programming method, the ventilation fan on-line model-mating software with various function modules, such as sample-building module, ventilating shaft characteristic computing module, model-mating module, database module and query module, is developed, and some debug and inspection procedures are made to the software.Finally, the program is used for ventilation fan model mating and the computing results match well with the practical results, which means that the model-mating computing function of the program is correct and reliable.