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Research and Development of the Monitor and Control System of Gas

Author: AnMin
Tutor: LiuXiaoMing
School: Chongqing University
Course: Theory and New
Keywords: Gas Monitor Microcontrollers Complex Programmable Logic Devices
CLC: TP277
Type: Master's thesis
Year: 2002
Downloads: 451
Quote: 4
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Abstract


With gas disaster prevention and Gas utilization is increasingly prominent, the study will be the rapid development of the coal mine gas drainage and utilization. Our most gas drainage or pressure pump the large electromechanical devices and gas storage facilities are manually under constant surveillance by the slightest negligence, accident occurs; drainage piping the gas concentration, drainage flow and other important parameters only artificial calculation on a regular basis, is not easy to manage. The coal industry is an urgent need for a centralized, intelligent, high reliability of the monitoring system. This study the gas drainage and the use of automated monitoring system is generated in this case. Paper comprehensively consider the particularity of the work environment of the monitoring system, as well as the characteristics of complex programmable logic devices and microcontrollers, the proposed dual microcontroller plus the overall design of the dual complex programmable logic devices. The program gathers data collection, analysis and processing, control, display, alarm and data communications in one system can guarantee efficient, stable and achieve all the requirements of the project. Motherboard and related sub-board of the gas monitoring system designed under the program, according to the client side requirements to achieve the comprehensive determination of signal acquisition and data processing, control of the appropriate enforcement agency, all data sets show and upload the computer at the same time provide the necessary sound and light alarm, by means of the communication protocol to achieve communication between the various modules and functions. Reasonable application of complex programmable logic devices, to ensure the reliability of the system, has played an extremely important role in the realization of system functions. The system also uses power line carrier communication chips (to change the channel to the phone line) and data telecommunications. In the design, some of the ideas and methods of software engineering is applied to the system software design of the whole process, and brought a lot of convenience for software design, testing and maintenance. More detailed discussion of the system's hardware and software design. In view of the importance and particularity of complex programmable logic devices, separate chapters. Finally concluded, and put forward a few ideas on the follow-up work. The system has been five sets delivered to customers. After nearly six months of on-site operation, five sets of the system are completely normal, fully affirmed and highly appraised by the user. User feedback show that the system has brought considerable economic and social benefits.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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