煤矿机械工作状态监测系统研究
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摘要
煤炭是当今社会的一种重要化石能源,煤机械设备是煤矿企业实现机械化的核心装备,对其工作状态进行监测具有重要的经济价值和安全需求。笔者综述了煤矿机械设备的主要故障类型、产生的原因以及故障的表现形式,根据信号采集时煤机设备是否需要停机以及故障诊断的时效性,总结了机械故障诊断的方法及其特点;分析了不同类型无线网络传输技术、不同种类微能源技术的特点及其在煤矿中应用的可行性;同时,针对当前煤矿机械工作状态监测系统的不足,提出了基于微能源技术实现煤矿机械设备工作状态信息采集与发送系统自供电,结合Zigbee无线网络传输和通用分组无线服务技术(general packet ratio service,简称GPRS)通信方式实现煤矿机械设备工作状态监测系统自动化在线监测的发展方向。
Coal is an important fossil energy in today's society,and coal mine machinery is a key equipment for coal mine enterprises to realize mechanization.To meet security demand,its working state should be monitored carefully,which can produce an important economic value.Main faults of coal mine machinery equipment,their generation causes and types of faults manifestation formation are reviewed in this paper.The methods and characteristics of mechanical fault diagnosis are also summarized by judging whether the coal mine machinery needs to be stopped or the signal acquisition and fault diagnosis are real-time.The characteristics and practicability in coal mine of different wireless network transmission technologies and different micro energy technologies are also analyzed.Simultaneously,a kind of monitoring system is proposed to on-line automatically monitor and to diagnose the coal mine machinery equipment,based on the deficiency of current monitoring system of coal mine machinery.The self-power supply of information acquisition and transmission system for working state of coal mine machinery can be realized in this system in terms of micro energy technology.In addition,Zigbee and GPRS are combined to accomplish the signal transmission in this system.This system can develop the monitoring system in the future.
Coal is an important fossil energy in today's society,and coal mine machinery is a key equipment for coal mine enterprises to realize mechanization.To meet security demand,its working state should be monitored carefully,which can produce an important economic value.Main faults of coal mine machinery equipment,their generation causes and types of faults manifestation formation are reviewed in this paper.The methods and characteristics of mechanical fault diagnosis are also summarized by judging whether the coal mine machinery needs to be stopped or the signal acquisition and fault diagnosis are real-time.The characteristics and practicability in coal mine of different wireless network transmission technologies and different micro energy technologies are also analyzed.Simultaneously,a kind of monitoring system is proposed to on-line automatically monitor and to diagnose the coal mine machinery equipment,based on the deficiency of current monitoring system of coal mine machinery.The self-power supply of information acquisition and transmission system for working state of coal mine machinery can be realized in this system in terms of micro energy technology.In addition,Zigbee and GPRS are combined to accomplish the signal transmission in this system.This system can develop the monitoring system in the future.
引文
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