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衔铁
    RESEARCH ON THE VIBRATION RESISTANCE OF THE ARMATURE SYSTEM OF A SMALL-SIZED ELECTROMAGNETIC RELAY
    小型电磁继电器衔铁系统抗振性研究
    build mathematics model of magnetic field according to Maxwell's electromagnetism theory, give a theory analysis to magnetic model through column-pivoting elimination, get the relation between the size of armature and the position;
    根据麦克斯韦电磁理论建立磁场的数学模型,使用了列主消元法对磁路模型的磁场进行了分析和仿真,得到了在不同电流及位置下磁通在导磁体、衔铁中的分布状况;
    Aiming at the magnetic conductance of the working air gap of the relay with S-shaped armature and basing on the fundamental characteristics of the magnetic field, the paper is comprised with the analysis formulae which are deduced for calculating the magnetic conductance of the curved column type magnetic poles, the source program which is coded for the 709 machine, and the example which is used for comparing the calculating results with the conclusions of the grid method.
    本文针对具有“S”形衔铁的继电器工作气隙磁导,根据磁场的基本性质,推导出六种不同情况下计算弧柱形磁极磁导的分析公式,编成了供709机使用的源程序,并举例将计算结果与网络法结果进行了对比。
    After analysing the armature force of the relay, the author directly obtains the expression for parameter analysis of the general-purpose hysteresis loop in the relay using alternating and direct current, and therefore reveals the forming mechanism of the hysteresis loop.
    本文通过对继电器的衔铁受力分析,直接得到了交直流继电器通用的滞环参数解析表达式,从而揭示了滞环形成机理.
    This paper first establishes a multi-segment linear body-spring-damping vibration modeland presents the analytical solutions of the vibrating response,then calculates the responseaccording to structure parameters of JZX-10M relay using a special program RELAY. It in-vestigates the motion law of the armature in detail when the relay is under the release(dan-gerous)state, and further discusses the possibility and effect factors of causing the tremblephenomenon.
    对一类小型电磁继电器衔铁──触头簧片结构建立刚体-弹簧-阻尼分段线性力学模型,给出了振动响应的解析式,并以JZX-10M结构参数编程计算,较全面地研究了继电器在释放(危险)状态下衔铁运动规律,具体探讨了产生抖动的可能性及影响因素。
    The armature switching is treated as damping in a relay,the vibration characteristics of the armature switching are discussed.
    另外在直流接触器中,将衔铁进行了阻尼处理,并讨论了衔铁吸合时的振动特性
    D power-frequency electromagnetic field of an electromagnetic actuator used on AC contactor is analyzed by ANSYS software,and the average magnetic force of its armature is calculated. Optimization of iron core thickness is done by ANSYS optimization method.
    用ANSYS软件分析了接触器用双E型交流电磁铁三维工频磁场 ,根据交流电磁吸力平均值的直流等效原理 ,分两步计算了衔铁吸力 ,利用ANSYS优化设计方法对铁心厚度进行了优化。
    A simplified method was developed to analyze the squeeze film between the armature and the solenoid based on parallel plate flow theories.
    为此运用平行平板间缝隙流动基本理论对存在于电磁阀衔铁和电磁铁之间的阻尼油膜进行了简化分析。
    Through theoritical analysis on the linear range of transducer of differential transformer,it is believed that the magnetic induction density of axial magnetic field is the key factor that affects the linear range of the transducer,while the magnetic induction density is affected by such factors as the length and average radius of both primary coil and armature,and primary exciting voltage.
    经对差动变压器线性范围的理论分析,认为影响差动变压器线性范围的关键因素是:差动变压器轴向磁场的磁感应强度,而差动变压器轴向磁场的磁感应强度受初级线圈的长度和平均半径、衔铁的长度和半径、初级激励电压等因素影响。
    The electromagnetic force around the armature surface and the magnetic flux in the working air gap before and after installation of the permanent magnets was analyzed using the Maxwell tension method and the FEM.
    利用Maxwell张量法及有限元分析技术,计算了加装永磁前后衔铁表面的电磁力的分布,分析了加装永磁前后磁密矢量和主气隙的磁通变化规律,并与传统螺管电磁铁进行了比较。
    As the structure size,armature displacement,force and so on are smaller,it is very difficult to test the static attractive force and spring force characteristics of micro electromagnetic relay in the world.
    国内外小微型电磁继电器静态吸反力特性的测试,由于继电器的结构尺寸、衔铁位移以及力等参数 均较小,测试难度较大。
    The simulation analyses of the main structure parameters, such as the length of the armature, radial gap and thickness of guide sleeve, which might influence its force-stroke characteristics, were performed.
    在此基础上 ,对影响比例电磁铁行程力特性的衔铁长度、径向间隙、隔磁角、隔磁曲线以及导套厚度等主要结构参数进行了仿真分析。
    The measures of reducing the armature stroke of valve, setting the proper gap of both armature ends and realizing the open/close control through two coils, and new technique and manufacturing technology were taken to implement the small mass, low power, quick response and long lifetime of the latch valve.
    采用尽量缩短阀门衔铁运动行程、合理设定衔铁两端间隙、用两个线圈实现开/关控制等措施,以及新的工艺和制造技术,实现了阀门的轻质、低功耗、快响应和长寿命。
    This system is composed of the cantilever force sensor by which we measure the attraction force and mechanical force,the beeline grating displacement sensor by which we measure the displacement of armature or contact,a microcontroller by which we control the testing process and sample the signal from sensor,and a personal computer by which we analyze and manage the sampled data and monitor the testing process.
    该系统采用悬臂梁式应变片力传感器测量电磁继电器吸力特性、反力特性及其合力特性,采用直线光栅位移传感器测量衔铁(或触点)位移,以单片机为中央处理机进行测试过程的控制与数据采集,通过系统机进行数据分析与管理监控。
    Some factors such as working area,coil turns,core number,armature depth and iron material that influence the magnet force were discussed in detail.
    讨论了电磁铁的有效吸和面积、线圈匝数、电磁铁极柱数、衔铁厚度和电磁铁磁性材料对静态电磁力的影响.
    For designing a digital control-rod position detector and calculating its output binary code easily, the coding mechanism of a coil-coding control-rod position detector has coding factors for the secondary coil arrangement, the coil connections in a group and the magnetic armature position.
    为了设计数字式控制棒位置探测器,根据线圈编码棒位探测器编码机理,确定了探测器的3个编码要素,即测量线圈的布置方式、线圈的分组接线方式和衔铁运行位置。
    According to the relay's structure characteristic, the displacement "x" of armature and the pressure"p" acted on the armature were measured by laser displacement sensor and pressure sensor, the "x-p" curve was then drawn.
    依照继电器的结构特点,试验中通过激光位移测量仪和压力传感器在线测试衔铁的进给位移x及作用在衔铁上的压力p,绘制得到位移-压力(即x-p)曲线。
    The pressure increases rapidly and the curve approximates to vertical line while the armature touches the core.
    当衔铁触及铁芯后,压力急剧增大,曲线呈垂直状态。
    A prototype micro electromagnetic relay with dimension of 5 mm×5 mm×1 mm was fabricated based on the MEMS fabrication process. The micro relay consist of a magnetic circuit, an excitation planar coil, a fixed contact pad and a permalloy cantilever(armature).
    采用MEMS加工工艺,试制了该新型微电磁继电器的样件,其尺寸为5 mm×5 mm×1 mm,它由上磁路、下磁路、平面励磁线圈、固定触点和活动衔铁等部分组成。
    The coil-fastness,armature motion limit and the EVA-cylinder head connection are mainly considered in the assembly design.
    EVA装置的总体装配关系中主要考虑了铁芯固定、衔铁运动限位、EVA与缸盖联结等。
 

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