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为进一步提升刮板输送机形态监测水平,以SGB1200/280型刮板输送机为研究对象建立形态监测系统,重点对系统所需的刮板输送机中部槽位置求解算法和中部槽姿态求解算法进行优化设计,以实现系统功能。实际测试结果表明该系统各项监测指标均较精确,具有一定的应用价值。 相似文献
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《可编程控制器与工厂自动化(PLC FA)》2014,(11)
为了能够实时监测输送机的运行状态,运用无线传感器网络技术设计了输送机信息采集系统。通过在输送机及周边部署无线传感器终端,基于ZigBee协议栈构建网络实现终端节点、路由器节点、协调器节点之间数据的采集和传输。利用以太网通信技术与PC机通信,实现了输送机传感信息的远程访问。 相似文献
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针对现有远距离带式输送机速度监测系统因供电线路过长导致成本过大的问题,本文设计一种自供电的带式输送机速度监测系统,利用输送机的托辊带动发电机发电,发电机为监测系统供电的同时,单片机测量发电机输出电的频率.通过发电机频率和转速的关系,计算出托辊及输送带的线速度.首先设计基于STM32单片机的速度监测系统,然后设计一台外转子永磁同步发电机,接着设计监测系统的供电电路,再通过Ansys Simplorer软件对发电机和外电路进行联合仿真,得出发电机负载时的输出电压波形.将得出的电压波形通过Proteus软件送至供电模块和速度监测系统进行仿真,验证了系统的可行性. 相似文献
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为实现对带式输送机运行状态全面在线监测、自动控制、节能降耗并降低人员成本,设计了带式输送机无人值守监控系统,主要包括主控制器系统、语音调度指挥系统、视频监控系统和手机APP软件,实现了对掘进皮带、顺槽皮带和主井皮带的集中控制与监测。测试结果表明,该系统提升了煤矿自动化、智能化,达到了多岗合一、无人值守的目的,同时提高了煤矿现代化建设水平。 相似文献
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《可编程控制器与工厂自动化(PLC FA)》2014,(10)
本文为了能够实时监测输送机的运行状态,运用无线传感器网络技术设计了输送机信息采集系统。通过在输送机及周边部署无线传感器终端,基于ZigBee协议栈构建网络实现终端节点、路由器节点、协调器节点之间数据的采集和传输。利用以太网通信技术与PC机通信,实现了输送机传感信息的远程访问。 相似文献
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为实时监测带式输送机重锤拉紧装置的位移判断输送机皮带运行状态,我公司引进一种斜井带式输送机重锤拉紧装置检测监控系统,并投入到主斜井皮带实际运用中,实践结果表明,该系统动作灵活可靠,达到了预期效果。 相似文献
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为了能够实现实时监测高压开关柜的温度状况,提出一种基于无线传感器网络的开关柜温度在线监测系统。设计的无线温度在线监测系统不仅解决了开关柜内高温、高压、强电磁感应等在恶劣环境下不易检测的问题,而且从硬件选择和软件设计上实现超低功耗设计,能够长时间实时监测高压开关柜温度,很大程度上延长了无线温度监控系统的寿命。 相似文献
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Morley L.A. Kohler J.L. Smolnikar H.M. 《Industry Applications, IEEE Transactions on》1988,24(4):649-659
A formula for calculating the power requirements of an armored face conveyor (e.g. for coal mining applications) is presented. Techniques to determine the conveyor speed-torque curve and to estimate the acceleration time for a loaded conveyor are also given. Using this information, an algorithm to estimate the maximum length for a face conveyor is developed. An application of the algorithm to power system analysis is presented. By using the developed algorithm, the performance as well as the maximum length of a longwall face conveyor can be readily evaluated 相似文献
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Some of the electrical problems encountered with starting and operating an American retreating longwall are addressed. Some basic design considerations are pointed out that should be satisfied in choosing the electrical distribution system required for the longwall. Basic criteria for motor selection for the armored face conveyor are also discussed. Lastly, the economic considerations in choosing a distribution system are examined. 相似文献
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针对传统的装甲车辆电气设备检测的缺陷,利用CAN总线构建了网络化检测系统。该系统将待检测子系统作为总线上的节点,以C8051F040单片机为控制单元,通过相应接口电路连接到待测节点;进行了CAN总线应用层的通信协议的开发和实现,使系统具有良好的实时数据采集、处理和通信功能,并将数据处理结果通过CAN总线上传到上位机。实现了对装甲车辆电气系统的实时监测、状态检测和在线故障诊断。 相似文献
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This paper is a tutorial discussion of the current difficulties being experienced with the performance of armored face conveyor (AFC) drive systems, as used in longwall mining. It presents the traditional approaches to the design of the drive system and highlights the inadequacies. The final part of the paper presents a possible solution approach using variable-speed drive systems, emphasizing the advantages of this approach. The paper is significant, in that it discusses, in one document, a number of problems related to the operation of longwall AFCs. Furthermore, it presents a solution path for these problems 相似文献
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Fiber optics for atmospheric mine monitoring 总被引:1,自引:0,他引:1
Dubaniewicz T.H. Chilton J.E. Dobroski H. Jr. 《Industry Applications, IEEE Transactions on》1993,29(4):749-754
The authors describe work done to address methane, carbon monoxide, and distributed temperature monitoring. A review is made of the potential and problems of using fiber optics (FOs) for mine monitoring systems. Methane detection is based on differential absorption of infrared light. A methane monitor that can detect concentrations as low as 0.2% as far away as 2 km via FO cable is described. A carbon monoxide monitoring system that combines a low-powered electrochemical cell with fiber optic (FO) telemetry is described. Testing has shown that the system can operate maintenance free for several months. A distributed FO temperature-monitoring system is being investigated for possible application in mine fire detection. Performance of this system at the US Bureau of Mines' Lake Lynn Laboratory is reported. The sensor employs optical time domain reflectometry techniques that allow the entire length of fiber (up to 2 km) to function as a distributed temperature sensor. Distributed temperature sensors have considerable potential for monitoring areas such as conveyor beltways 相似文献
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以某电厂干式排渣机系统为研究对象,通过试验研究了干渣机对排烟温度和锅炉效率的影响,并对干渣机系统的漏风率、排渣量和耗电率进行测试及分析.结果 表明:在锅炉额定工况下,干渣机使排烟温度升高8.21℃,排烟热损失增大,但回收利用炉渣热量,炉渣实现再燃烧,不完全燃烧损失和灰渣物理热损失减小,因此综合影响使锅炉效率提高0.77... 相似文献
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矿用带式输送机监控系统的设计 总被引:1,自引:0,他引:1
本文介绍了以监控分站、工业计算机与上位机软件相结合的方式组成的带式输送机监控系统,实现在地面对煤矿井下带式输送机的远程集中控制,保证井下煤矿运输系统的可靠性。 相似文献
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