查询词典 contactor

Turn arm was joined with pressure spring join rod of contactor, and magnetic circuit with lesser magnetic resistance consisted of magnetic fields of move iron core and permanent magnet to form retentiveness.

拐臂和触头压力弹簧的连杆相连，动静铁心对永久磁铁的磁场构成小磁阻磁路，形成保持力。

Fiber film contactor gasoline sweetening technology can be promoted and applied in broad scale.

纤维膜接触器脱硫技术可以推广应用。

Is living start examines that among this Bu Gongxu to examine the substance that the clamping apparatus will be examineed is consising of of many-sides :Contactor distance turning on 、Super range 、Synchronousness ,Besides produce exterior examination 、Movement property 、Jies electric strength also is living , and this one-step workman completees in the sequence

在初检这步工序中检测夹具所要检测的内容是多方面的包括：接触器的开距、超程、同步性，另外产品的外观检测、动作特性、介电强度也在这一步工序中完成。

Is living start examines that among this Bu Gongxu to examine the substance that the clamping apparatus will be examineed is consising of of many-sides :Contactor distance turning on 、Super range 、Synchronousness ,Besides produce exterior examination 、Movement property 、Jie's electric strength also is living , and this one-step workman completees in the sequence

在初检这步工序中检测夹具所要检测的内容是多方面的包括：接触器的开距、超程、同步性，另外产品的外观检测、动作特性、介电强度也在这一步工序中完成。

Is living start examines that among this Bu Gongxu to examine the substance that the clamping apparatus will be examineed is consising of of many-sides :Contactor distance turningon、Super range、Synchronousness ,Besides produce exterior examination 、Movement property、Jie's electric strength also is living , and this one-step workman completees in the sequence

夹具在其中起到重要的作用，所设计的检测夹具根据产品的技术条件能正确和方便的卸装产品，便于产品的出厂的检验。检测夹具所要检测的内容包括：产品的外观检测、接触器的开距、超程、同步性、动作特性等。关键词：交流接触器；流水线；检测；装配

The research work of this paper is divided into five parts: The first ,according to the work characteristics of ship's auxiliary boiler, this paper is to design applied project in the automatic control system of ship's auxiliary boiler; The second, according to the work request of the cargo winch of alternating three-speed change-pole speed-adjusting, this paper is to determine adopting the method of the PLC control; The third, this paper is to design PLC application in three -phase induction motor control, to give the ladder chart, program and input and output circuit diagram; The fourth, this paper is to research the method of the ship's combined starting screen automatic control with the PLC; The fifth, this paper is to inquire the possibility of apply the PLC in ship's engine room surveillance system; According to the comprehensive analysis of above actual example of ship's auxiliary machinery automatic system with the technique of PLC; not only can use the technique of PLC to replace traditional relay-contactor control technique in ship's auxiliary machinery automatic system, but also can get the conclusion of the former is more dependable and more clever than the latter, the maintenance is more convenient, thus develop a new path for ship automation.

本文研究的工作主要包括五个部分：第一，根据船舶辅锅炉的工作特点，设计PLC在船舶辅锅炉自动控制系统中的应用方案，主要有PLC选型及输入输出点的设计，画出系统控制梯形图并分析工作原理；第二，根据交流三速变极调速起货机的工作要求，确定采用PLC控制的方法，进行控制系统的硬件设计和软件设计，并分析工作原理：第三，设计了PLC在三相异步电动机控制中的应用，给出了控制梯形图、程序及输入、输出接线图；第四，研究了用PLC实现船舶组合起动屏自动控制的方法，进行了系统的电源设计和软件设计，给出系统工作流程图；第五，探讨了船舶机舱监视系统应用PLC的可行性，将继电器报警线路改为用PLC控制报警，给出系统硬件图和软件梯形图，并分析了PLC机的选型、抗干扰和应用PLC的经济效益和社会效益等问题。综合以上船舶辅助机械自动控制系统采用PLC技术的实例分析，可以得出船舶辅助机械自动控制系统不但可以使用PLC技术取代传统的继电器接触器控制技术，而且前者比后者更可靠、更小巧，维护保养更方便的结论，从而为船舶自动化开辟了一条新的路径。无忧毕业设计网 www.5ubs.cn

At present, the relay contactor control model is also the main stream for the simple control system (such as, multi-motor sequence start, automatic two-speed motor, etc.) in industrial present control.

目前，在工业现场控制中，对于简单控制系统(如：多台电机的顺序启动，双速电机的自动控制等)仍然以继电接触器控制模式为主。

The electric elevator is an essential means of transport of tower , is used for perpendicularity conveying the passenger and the goods, go along controls tradition lift control system adopt relay-- contactor mainly , whose shortcoming is that contact is many , the malfunction leads high reliability, difference , the amount of work being maintained to wait greatly, but adopt the navar that PLC is composed of to be able to resolve the above-mentioned problem very good.

电梯是高层建筑不可缺少的运输工具，用于垂直运送乘客和货物，传统的电梯控制系统主要采用继电器--接触器进行控制，其缺点是触点多，故障率高、可靠性差、维修工作量大等，而采用 PLC组成的控制系统可以很好地解决上述问题。

No 2 combined workshop of Yulin refinery under Shaanxi Yanchang Petroleum Company Limited adopts semi-regenerated active carbon fixed bed process for its gasoline sweetening process, because of unadvanced technology limited treatment capacity, big consumption of caustic, as well as being unable to satisfy production requirements. In the light of above, Yulin Refinery built up a new gasoline sweetening unit with treatment capacity of 45t/h in 2007, the unit adopts patented fiberfilm contactor gasoline sweetening technology from Merichem company in USA.

陕西延长石油有限责任公司榆林炼油厂联合二车间催化旧汽油脱硫醇装置采用的是半再生活性炭固定床工艺，由于工艺技术落后，处理量小，消耗碱量大，产生的碱渣无法处理、不能满足生产等制约因素，榆林炼油厂于2007年新建一套汽油脱硫醇装置，处理量为45t/h，该装置引进美国Merichem公司金属纤维膜接触器脱硫技术。

Low requirements for contactor controls and external interlocks, as important control functions are already integrated

对接触器控制和外部联动装置要求较低，因为重要的控制功能已被集成。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。