In order to solve the serial communication problem between RS485 and RS232 serial interface and the isolation of RS485 signals in the monitoring system for coal mines,a designing scheme of a kind of mine-used isolation converter with low-power consuming and serial communication based on MSP430 was put forward.
文章针对煤矿监测监控系统中RS485与RS232串口通信以及RS485之间的隔离问题,提出了基于MSP430矿用低功耗串行隔离转换器的设计方案。
Capacitance Mining Feedback Electricity State Transducer;
电容式矿用馈电状态传感器
A new kind of explosion-proof soft starter used for mining is develop.
根据在煤矿井下工作的660V/1 140 V交流电动机起动电流大,对电网及电机造成冲击的缺点,设计了一种新型的矿用隔爆型软起动器。
By the theory of material mechanics,the stress situation of mining flame-proof electrical apparatus enclosure is analyzed,and the method of design is introduced.
运用材料力学原理,对矿用隔爆型电气设备外壳进行受力分析,详细介绍了矿用隔爆外壳的设计方法。
Improvement of Relayed Drainage System of Large Scale Mine Submerge Motor Pump;
大型矿用潜水电泵接力排水系统的改进
Technology for mine intrinsic safe full digital camera, recorder and player combination;
矿用本安型全数字摄录放一体机技术
It is waterproof, dust-proof and explosion resist,and is suitable for use in mines.
本文介绍了一种适合于煤矿用的防水、防尘、防爆的电气设备KT—2020的设计特点,该机是漏泄通讯系统中的配套设备。
The paper introduced the working principle of model KF1016 mine used multiplex UPS after improvement and the advantages of its practical application in coal mine underground, which provided assurance for reliability service of control and monitoring system.
介绍了改进后的KF10 16矿用多路不间断电源的工作原理及其在煤矿井下实际应用中的优点 ,为煤矿监控系统的可靠运行提供了有力保证。
Application of mine stand pump to mine water drainage in coal mining face of Jining No.3 Mine;
矿用立泵在济三煤矿工作面排水中的应用
On the basis of 25t off-highway truck produced by Benxi North Machine Heavy Duty Truck Maker,the sensitivity of design parameter for off-highway truck is analyzed and optimized by means of sensitivity analyzing theory,therefore,the problem of error effect on steering linkage resulted from processing or fixing is solved.
以本溪北方机械重型汽车制造厂生产的25t矿用汽车为研究对象,运用灵敏度分析理论,对矿用汽车转向梯形设计参数进行灵敏度分析和优化,解决转向机构由于加工和安装所带来的误差影响过大的问题。