Standardizing of the photoelectric switch in the high accurate large shaft measurement system by using the rolling-wheel method;
大轴滚轮测量系统中光电开关特性标定
Photoelectric switch based on pulse-superposition technology;
使用脉冲重合技术的红外光电开关
Research of informational photoelectric switch based on laser and remote control technology;
基于激光与远程控制技术的信息型光电开关综述
This system can not only inspect and display the electricity parameters of load equipment unknown before, but also realized the remote control of distribution switch on surface, and enhanced the management modernization and control automatization level for usage of electricity underground.
介绍了煤矿井下变电所供电电网监控系统 ,该系统结合现场实际 ,除了监测和实时显示以前无法知道的负载设备用电参数外 ,还能实现地面遥控井下变电所高压配电开关复位、合闸、分闸 ,提高了井下用电管理现代化、控制自动化的水平 ,通过试验和改进 ,完善了系统功
The paper introduces the types and technology characteristics of 10 kV outdoor distribution switches and analyzes and compares various 10 kV outdoor distribution switchgears.
介绍了10kV户外配电开关的类型以及技术特点,对各类10kV户外配电开关进行了分析对比。
Design of Embedded Ethernet Communication Based on Coal Mine Feeder Switch;
基于井下馈电开关的嵌入式以太网通信的设计
On the basis of analysis of the working principle and characteristics of RS232 and RS485, serial communication method was confirmed that the long distance data communication of mine-used feeder switch can be realized by adopting RS485 serial communication standard interface.
在分析RS232和RS485串行通信接口工作原理和特点的基础上,确定了矿用馈电开关远程数据通信采用RS485标准接口的串行通信方案,实现了馈电开关和上位PC机的双向通信功能。
The paper expounds usage and technical characteristic of Chinese character technology in feeder switch products.
简要论述了汉显技术在馈电开关类产品中的使用方法、技术特征及其优势。
In this paper,the single chip microcomputer and special-purpose protocol chip SPC3 are utilized to develop the intellectual mine vacuum feed switch with PROFIBUS-DP interface,and the implementation of software and hardware for the protection device and communication interface are introduced.
利用单片机和专用协议芯片SPC3开发了一种带PROFIBUS-DP接口的智能矿用真空馈电开关保护器,介绍保护器和通讯接口的软、硬件实现方法。
Introduces a kind of intelligent protector of low voltage flameproof feed switchgears used in the coal mines.
介绍一种低压馈电开关智能保护器,该装置以ATmega128单片机作为控制核心,结合电力系统继电保护技术和智能电气技术,提出了矿井低压电网智能综合控制技术和保护方法。