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《Journal of China Coal Society》 2009-11
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Networking technology for safety supervision system in a coal mine

SUN Ji-ping(State Key Laboratory of Coal Resources and Safe Mining,China University of Mining & Technology(Beijing),Beijing 100083,China)  
A method for networking of the coal mine supervision systems was put forward,which made the interconnection of different systems become practical.(1) Central station should send the following information automatically to the monitoring center,which includes analog feed abnormalities,analog power interruption,analog alarms,analog statistics,switch feed abnormalities,switching alarms(switching off),action of switch,system operation abnormalities,and initialization etc.;(2) Adopt TCP / IP protocol and socket;(3) Send data in batches,with each batch being a data file;(4) The format of the data file is text file(TXT),each file contains a single data record or multiple data records;(5) The first record of the data file should be a data header,the data header is made up of the name of database(or the folder of the file) and the name of data table(or the data file),the name of database(or the folder of the file) is separated from the name of the data table(or the data file) by ";",the data head ends with "|",the database(or the folder of the file) should be named by "KJ",which means Coal Mine Supervision in Chinese,the data table(or the data file) should be named by four letters;(6) Each data record ends with "~";(7) The field of each data record ends with ";";(8) Each batch of data ends with "‖",etc.
【Fund】: 国家自然科学基金资助项目(50674093);; 教育部博士点基金项目(200802900008)
【CateGory Index】: TD76
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