为企业提供“精密机械设备、电器控制、传动系统及设备改造”等方面的服务。
For the enterprise to provide "precision machinery equipment, electrical control and transmission system and equipment modification," and so on.
本文阐述了数控与电器控制系统在160卧式镗铣床技术改造中应用的具体设计思想和实现的方法。
This paper describes the design concept and the implementing method of NC and electrical control system in the technical reconstruction of a 160 horizontal boring and milling machine.
本文阐述了数控与电器控制系统在卧式镗铣床技术改造中应用的具体设计思想和实现的方法。
This paper describes the design concept and the implementing method of ZC and electrical control system in the technical reconstruction of a horizontal boring and milling machine.
是适合城市改造和建设的新一代高压电器产品。
It is a new ligh voltage apparatus product for city transformation and construction.
重庆轨道交通2号线跨座式单轨交通系统在弓网配合方面出现集电器滑块磨耗不均匀问题，分析其形成的原因，提出接触网拉出值改造方法，并讨论改造后的效果。
In respect to the interaction between pantographs and catenaries of the straddle-type monorail system of Chongqing urban rail transit Line 2, there occurred the uneven wear of collector slide.
介绍了一种用PLC改造继电器控制系统的方法。
The method of transforming the relay control system with PLC was introduced.
分析了箱式电阻炉电气系统的工作原理及其局限性，介绍了采用交流固态继电器对电气系统进行改造的原理和实践。
This paper analyzed the working principle and limitation of electrical system of box resistor-stove. And introduced the principle and practice to remake this system with ac SSR.
介绍了利用可编程控制器对继电器控制式工业洗衣机进行改造的过程，实现了系统的高稳定性和可靠性。
The original relay control system of industrial washing machine is innovated and replaced by programmable controller, good stability and reliability of the system is achieved.
介绍了用PLC改造旧设备时，根据继电器电路图设计梯形图的方法与步骤，并介绍了设计中需要注意的问题。
This paper introduces the approach and method of design of PLC ladder diagram based on relay diagram in old equipment alteration, some problems in design are discussed.
为了满足液压泵站复杂灵活的控制要求，采用PLC改造了液压泵站原来的继电器控制系统。
In order to meet the requirement of the complicated and flexible control of hydraulic power unit, its electrical control system is rebuilt by PLC.
分析了变电站原用电磁式继电器存在的问题，综合自动化改造的系统结构，技术特点。
Analyse the problems of electromagnetical relay used in transformer substation, inroduce system configuration of transformer substation reform , characteristic of technology.
本文介绍了单片机在继电器自动测试仪中的应用。文中详细论述了硬件的设计：数控电源改造、稳合电压检测、数据存储等。
This paper introduces the application of micro-controller in automatic tester for general relay. Hardware design about NC power and dada storing is described in detail.
就农村电网改造中，低压成套电器设备设计、制造、安装中的主动保护技术和被动保护技术进行了探讨。
The paper discusses the active and passive protection technology for wiring design, manufacture and installation in country electro - network reconstruction.
结合实际情况对以PLC为内核的全数字直流调速器电能驱动，进行了起重机的工作机构和电器系统改造实现电器系统无触点控制。
The paper introduces how to design the PLC non - contact control system in rebuilding electrical system of crane, on the basis of a practical example.
在1号高炉中修时对上料系统进行了改造，用P LC控制取代继电器控制。
During the intermediate repair the charging system of No1 blast furnace was modernized and PLC control system replaced relay control.
本文主要介绍了我厂点火燃烧站v 08由继电器控制改造为PLC控制的方案及实施过程。
This paper introduce actualize project of V08 by relay-contact's control to PLC in our factory.
介绍了PLC在继电器控制系统改造中的应用，给出了I/O分配图及部分程序。
This paper introduces the application of PLC in reconstructing the relay control system and gives I/O distribution diagram and some of programs.
介绍了矿区35kV变电站采用R CS-9000系列微机监控系统替换老式的继电器保护装置的改造。
The paper introduced the innovation to old relay protection system in 35KV transformer station of coal mine, the relay protection system was replaced with RCS-9000 series computer monitoring system.
该方案简单实用，且对其它机床继电器接触器控制系统的改造具有一定的参考价值。
This system is simple, practical and has also reference value to the reformation of relay control system of other machine.
因此，用PLC对采用继电器控制的旧式机床进行设备改造具有很重要的现实意义，并为构成集散式控制系统打下基础。
So taking the place of the relays in old-type lathe with PLC is of momentous current significance and lays a foundation of DCS.
以往的电梯大多采用“继电器逻辑”控制，这种控制故障率高，改造困难。
Previous elevator is used mostly "relay logic" control, this control failure rate is high, transformation difficulty.
对重联机车中JZ 7型制动机系统的高压安全阀的安装位置及打风压力继电器（调压器）控制风管的连接位置进行了分析、讨论，指出了现有机车中设计、制造上存在的缺陷，并在实际运用中进行了改造。
The mounted location of high-pressure safty valve and the connecting position of the control air pipe of air pressure relay of JZ-7 brake system are analysed.
介绍了6 4D半自动闭塞改造为计轴自动站间闭塞的一种方案，对有关继电器及其电路进行了说明。
This paper introduced a plan to transform 64D semi-automatic section block into one with Axle Counter . And, it also illustrated relevant relays and its circuit.
介绍了6 4D半自动闭塞改造为计轴自动站间闭塞的一种方案，对有关继电器及其电路进行了说明。
This paper introduced a plan to transform 64D semi-automatic section block into one with Axle Counter . And, it also illustrated relevant relays and its circuit.
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