Proposed electric equipment under ground intelligence protection system antijamming design thought,from the suppression noise source, the cut-off disturbance dissemination way, enhanced the sensitive vitality resistance to interference three aspects to pro-pose the system hardware antijamming design proposal, proposed the software antijamming design thought and the method.
提出了井下用电设备智能保护系统抗干扰设计的思想,从抑制干扰源、切断干扰传播途径、提高敏感元气件抗干扰性能三个方面提出了系统的硬件抗干扰设计方案,提出了软件抗干扰设计的思想及方法。
A state Monitoring and Fault Diagnosis System for Underground Equipments Based on CAN Bus
基于CAN总线的井下设备状态监测与故障诊断系统
work - over equipment for oil and gas wells
油气井井下作业设备
downhole performance
钻具等设备的井下工作性能
Application of HOLLiAS PLC in Explosion-proof Electrical Apparatus for Coal Mine
和利时PLC在井下供电设备中的应用
On the Sub-relay Technology Concerning Large Equipment's Large Parts at the Bottom ofmain Shaft in DaShihe Ironmine
首钢大石河铁矿主井井底大型设备大件分段接力下放技术
Research on Intelligent Protective Unit for Electrical Equipment Used in Coal Mine;
煤矿井下电气设备智能保护单元的研究
A Management Pattern Research to Downhole Operations Equipment in Daqing NO.3 Oil Production Company;
大庆采油三厂井下作业设备管理模式的研究
Study on Communication Interface and Underground Substations of the Management System of Distributed Coalmine Underground Personnel and Equipment Safety;
分布式煤矿井下人员、设备安全管理系统
The Design and Realization of Production Management Preparing System in Downhole Service Subcompany in DaQing
大庆井下生产准备运营系统的设计与实现
Effective Way of Improving the Lubrication and Maintenance for Underground Trackless Equipment
提高井下无轨设备润滑和保养的有效途径
Preliminary discussion on protective earthing of underground electric equipment in gold mines
浅谈岩金矿山井下电气设备的保护接地
PLC Reconstruction of Electric Control System in Sewerage of Underground Central Pump Room
煤矿井下中央泵房排水设备电控系统的PLC改造
Abstract: Design of an environment simulation system( ESS) for drilling& culling devices working in ultradeep well isdiscussed in this paper, on the basis of developing an in-well environment simulation system for deep well of oil field.
文摘:结合油田深井井下仿真环境系统的研制，对超深井钻采设备环境仿真系统设计进行了讨论。
Study on Wireless Communication Equipment of the Management System of Distributed Coalmine Underground Personnel and Equipment Safety;
分布式煤矿井下人员、设备安全管理系统无线通讯设备的研究
The Software Design for Distributed Safety Management System of Personnel and Equipment under Coal Mine;
分布式煤矿井下人员、设备安全管理系统的软件设计
Specification for drilling equipment
GB/T17744-1999钻井设备规范
Its downholc discharge apparatus are made up of rectification frequency converter, discharger and cable.
其井下放电设备主要是由整流变频器、电仪与电缆所组成。
Water-supply and water-treatment practice of water circulating system for underground equipments
井下大型设备水循环系统给水及水处理方法实践