基于云平台的煤矿安全智能管控信息平台设计

为消除煤矿各类监控系统与管理系统的数据孤岛问题,基于大数据与云计算技术,提出了基于云平台的煤矿安全智能管控信息平台设计构想,设计了由感知层、平台层以及应用层的平台架构,构建了基础信息管理、数据联网管理、风险分析指标模型管理、风险分析研判与处置、风险分析数据展现五大模块。同时,根据建立的煤矿安全风险分析指标体系,通过层次分析与隶属度函数结合的方法,实现了对煤矿安全风险的研判。结果表明,该信息平台提高了煤矿数据存储、传输和处理的效率,实现了对煤矿现有数据的有效分析,对于实现煤矿的安全管控,提升煤矿本质安全,有较好的效果。     

"煤矿综合监测监控系统通用协议平台"项目简介

煤矿综合监测监控系统通用协议平台通过建立分站层统一的通信接口协议、系统层基于TCP/IP协议统一的信息接口规范及系统层联网、分站层联网两种入网认证检测平台,建立集团公司各生产矿井监测、控制、管理一体化的、基于网络的大型开放式分布控制系统,实现集团公司各矿井生产各环节的过程控制自动化,生产综合调度指挥和业务运转网络化,行政办公无纸高效化,对全矿井安全状况和生产过程进行实时监测、监视、控制、通信和信息管理。该项目由信息研究所负责研究开发,已列入徐州市重点新产品开发计划。“煤矿综合监测监控系统通用协议平台”项目…     

基于VC++的采煤机智能监控系统设计

为了保证采煤机稳定运行以及采煤机监控数据的稳定性和实时性,采用了嵌入式硬件作为监控系统和基于ModbusRTU协议作为底层数据采集协议,设计过程采用模块设计方式对机器运行中的故障告警、参数设置等模块进行设计以及通过开放的通信策略把采集到的监控数据发送给远程端,并通过Web形式实现对采煤机进行远程监控功能。     

煤矿安全监控系统联网平台设计

为了强化煤矿企业落实安全生产主体责任意识,提升煤矿监察监管机构和上级集团公司的监管手段及执法效率,以行业相关规程、规范为基础,结合应用实际需要,深入分析了现有安全监控系统联网平台的不足,凝练总结了监察监管业务新需求,重新设计联网平台,完善数据上传规范。提出以“一张图”为基础的钻取、聚合可视化展现方式,并实现煤矿安全监控系统数据在线巡察和关联分析。在现场实际应用中,在线巡察大大提高了上级管理人员的工作效率,“面—线—点”的可视化方式也适合联网数据的组织和展示,平台可服务于煤矿集团公司和各级监察监管机构,具有较高的推广价值。     

煤矿数字化瓦斯远程监控研究

为了能够提高煤矿井下瓦斯远程监控的可靠性和准确性,深入地研究了计算机远程联网系统在其中的应用。首先,分别分析了煤矿井下瓦斯远程联网监控系统的基本要求和基本功能;接着,研究了基于计算机远程联网系统的瓦斯监控系统的整体架构;然后,讨论了煤矿井下瓦斯监控传感器节点的设置;最后,分别进行了瓦斯监控系统中模拟量输入通道的设计和数据库的设计。     

基于计算机远程联网系统的煤矿数字化瓦斯远程监控研究

为了能够提高煤矿井下瓦斯远程监控的可靠性和准确性,深入地研究了计算机远程联网系统在其中的应用。首先,分别分析了煤矿井下瓦斯远程联网监控系统的基本要求和基本功能;然后,研究了基于计算机远程联网系统的瓦斯监控系统的整体架构;讨论了煤矿井下瓦斯监控传感器节点的设置;最后,分别进行了瓦斯监控系统中模拟量输入通道的设计和数据库的设计。     

KJf2000N监控系统三级联网平台的设计与实现

煤矿监控系统的联网实现了煤矿安全生产的集中、远程、实时监控,并逐步实现了"煤矿-市-省"三级联网监控,可以对区域内所有煤矿瓦斯防治情况及时监管。该文提出了煤科集团沈阳研究院有限公司对神华集团大雁公司雁南煤矿的KJf2000N监控系统联网的设计过程与实现方法,以及现在联网平台的实际运行情况。     

基于微软消息队列的煤矿安全监控联网系统

通过分析现有煤矿安全监控联网系统数据传输方案中存在的各类问题,研究了微软消息队列在数据传输中的优势和特点,设计并实现了一种新的煤矿安全监控联网系统。将监控数据分为具有不同优先级的消息队列,通过合理的数据缓存方案,安全有效地将各煤矿的数据传输到数据解析中心,传输机制具有较好的传输效率和传输稳定性,已推广应用到多个监控联网系统。     

瓦斯监测数据联网——动态数据的实时传输

以VC++6.0为编程平台,利用Microsoft SQL Server 2005数据库存储数据,基于TCP/IP的网络传输协议,开发了瓦斯监测数据实时传输软件。介绍了整个联网系统的框架设计情况,重点论述了瓦斯动态数据的实时传输,为Web页面浏览提供实时准确的矿井瓦斯监测数据,最终实现煤矿管理部门对矿井的远程监控管理。     

基于CANopen的煤矿压力在线监测系统

以煤矿井下液压支架压力在线监测系统为研究对象,介绍了监测系统的设计,包括系统的整体构成、节点的硬件设计以及CAN通信模块设计等。通过对CANopen协议结构和特点的分析,详细阐述了CANopen协议在压力在线监控系统中的实现过程,包括节点的数据定义、对象字典的建立、程序流程等。最后通过在煤矿现场应用的情况,验证了监测系统的设计合理、稳定、可靠。     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

Current situation and future trend of China rare earth luminescent materialindustry(continued)

<正>Developing ecological lighting source The world is facing the big problem of energy shortage today and the contradiction between economy development and environmental protection is worsened.Therefore,people are more likely to choose an ecological light source that is more energy efficient and environmental friendly.The choice provides great opportunity for the development of rare earth optical material industry in China.The concept of green lighting positions rare earth luminescent material as a leading player in illumination market.The light source of both rare earth luminescent lamp and LED lamp is ecological and energy saving.This is why     

Galaxy Magnets achieved the net profit of 34.02 million yuan in the first six months of 2014

正Galaxy Magnet announced its financial results for the first half of 2014 on August 14.For the first six months ended on 30 June 2014,Galaxy Magnet achieved operation income of RMB 182.3 million,up8.40% over the same period of 2013,and the net profit attributable to the shareholders of the listed company of 34.02 million yuan,increasing 35.49% over the same period of last year.Stable performance increase was led by development of new customers and application market of magnets.     

Rare Earth Application in Steel in China

<正>China has rich rare earth resources.Output of rare earth and steel in China ranks the top first in the world.However,there is still certain distance between the steel produced in China and developed countries from the point of varieties and quality.China still has to import some types of steel.Improving the quality should be emphasiZed in future development of steel industry in China.Rare earth can be used to upgrade traditional steel     

China rare earth market review

正November 21~30,2014Due to weak demand from downstream industries,transactions of rare earth in Chinese domestic market were inactive.It was difficult to sell any rare earth products except for dysprosium oxide and terbium oxide.Suppliers lost confidence in recent market.Demand for rare earth products was soft.Consumers continued to take a wait-and-see attitude.Rare earth export market remained slow.     

稀散金属产业的观察与思考

分析了近年来国内外稀散金属产业的生产、应用、资源与市场状况.铟锡氧化物靶材、砷化镓晶片、锗红外材料、铼高温合金和硒在电解锰及玻璃的应用等已成为稀散金属的主要应用领域.稀散金属的产量快速增长达到历史高位而导致了市场的失衡.以GaInP_2/GaAs/Ge,CIGS和CdTe为代表的非硅系太阳能电池是稀散金属的新兴应用领域,将给稀散金属带来日益增长的需求.     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

2014 second batch of rare earth quota released

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