relay contact

Then in smaller detecting area, with the coarse-to-fine edge detection algorithm, the system can find the edges of two contact points and calculate the gap between two relay contact points.

然后在更小的锁定检测区域，采用由粗到精边缘检测算法，检测两接触点边缘，计算出继电器两触点的间距。

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This paper discussed the ladder design and attention of the relay-contact control system rebuilding with PLC.

PLC使用与继电器电路图极为相似的梯形图语言,用PLC来 改造继 电控制 系统,根据继电器电路来设计梯形图是一条捷径.

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Compact but cut off DC power current, power capsule contact relay.

紧凑而切断直流电源电流, 功率胶囊触点继电器.

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The necessity of simulating relay contact control systems with a PC is discussed, and then a dynamic characteristic and a PC simulation model of an ideal relay are presented.

首先讨论了电器控制系统PC仿真的必要性，继而提出了理想继电器的动态特性和PC仿真模型。

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Familiar wi low-voltage electrical apparatus like relay, contact, air breaker, etc.

熟悉继电器 、 触器和空气短路器等低压电器产品.

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Reduce the traditional relay mechanical contact point control method for fixing shortcomings, which greatly improves the system flexibility, reliability. ( 2) Of the main mine fan speed adjustment using the most advanced frequency control scheme.

减少了传统继电器机械接触点多、控制方法固定等缺点，极大的提高了系统的灵活性、可靠性。（2）矿井主通风机的风速调节主要采用了目前最先进的变频调速方案。

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Design for display system controlled by relay contact output type of PLC

继电器输出型PLC显示系统设计

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Familiar with low-voltage electrical apparatus like relay, contact, air breaker, etc.

熟悉继电器 、 接触器和空气短路器等低压电器产品.

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Finally, the paper gives the rules for judging failure types of relay after introducing the contact state recognition.

最后，本文给出了引入识别系统后更加可靠的继电器失效类型的判定方法。

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Contactor can be easily retro-fitting auxiliary contact group, and appropriate combination of thermal relay to protect the load that may have been circuits.

接触器还可方便地加装辅助触头组，和适当的热继电器组合，保护可能发生过负载的电路之用。

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Programmable control unit is safer and more reliable and endurable than relay and contact unit in unfavorable conditions.

可编程控制器在恶劣环境下比继电器、接触器安全、可靠、耐用。

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The check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced.

经查是与四通阀线圈串联的控制继电器触点接触不良，电阻增大，致使电压降低。

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Analysis of anti-jump relay contact stagnation leading to the circuit breaker repeated trip

防跳继电器触点卡滞导致断路器反复跳跃的问题分析

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Each row is also coupled to each column through the relay contact leakage resistance and capacitance.

每行还通过继电器触点的漏泄电阻和电容耦合到每一列。

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Aimed at knowledge of electrical equipment necessary for engineer management, this article, taking the example of AC timing windlass, introduces the relay& contact control circuit analyzing method, which is called the conversing analyzing method.

针对轮机管理人员对船舶电气设备知识的需求，此文以交流变极调速锚机电路为例，介绍了一种继电接触控制电路的分析方法&逆向分析法。

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To prevent non-standard operation oil current breaker in the communication circuit of transmission station, using technology improved by adding voltage relay contact point in the circuit, the reliability of the safety running is improved.

为预防变电站联络线路上油断路器的非规范操作、采取在合闸回路中增设电压继电器触点的技术改进措施，提高了变电站联络线路安全运行的可靠性。

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A novel over-load relay realized by low-waste single-chip microcomputer is introduced, here are some charac ˉ teristic such as dispense with additional power supply, using no-contact SCR.

介绍了一种用低功耗单片机实现的新型电机过载继电器，其无需外加工作电源，采用无触点晶闸管输出。

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The Maintenance of Part Electric Control Circuity in Large Electric Equipment Controlled by Relay Contact

继电-接触式控制大型电气设备局部电气控制线路的检修

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Use relays, contactor, button, air switch and travel switch etc low-voltage constitute control circuit called relay contact control circuit.

使用继电器、接触器、按钮、空气开关、行程开关等低压电器构成的控制电路称为继电接触控制电路。

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Once the matching process succeeds, the system would immediately locate the edge detecting area of relay contact points according to the location relation of packages inside the relay switch.

旦匹配成功，根据继电器开关内部组件的位置关系，快速锁定继电器触点边缘检测区域。

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The Problem of SJ Relay No.8 Contact in Signal Supervision System

信号微机监测系统SJ第8组接点封连问题分析

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Finally, it computes the dynamic reliability of a relay contact system as an example.

并以某类继电器为例，计算了继电器接触系统的动力可靠性。

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Automobile Relay contact Electroerosion Test conditions;

汽车；继电器触点；电侵蚀；试验条件；

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As the break capability of aerospace relay contact will be different at different load, the paper studys on the arc shape change while changing the load. And it draws some conclusions on the arc burning.

由于航天继电器触点对不同性质负载的切换能力不同，本文对不同负载下的电弧形态进行了研究，总结出电弧燃烧的一些规律。

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The new measuring method has no influence on the contact resistance of relay when the contact of relay is clean, but there are difference influence for the contact covered with contaminate or film such as oxidation film.

该方法对洁净触头的接触电阻测量值与常规法所测值一致，而对有腊或有污染颗粒的触头接触电阻测量又有不同影响。

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The Electrical Life Test of contact materials Realized with a Time Relay

用时间继电器实现触头材料电寿命试验

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The display function of LED controlled by relay contact output type of PLC has been analyzed in detail, the problem of frequent operation of relay contact has been soved, and the hardware circuit and program flowchart have been given.

本文对继电器输出型PLC控制LED数码管的显示功能进行了详细的分析，解决了硬件继电器触点频繁开合的问题，并给出了实现上述功能的硬件电路和程序流程。

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The board can be inserted into the computer's bus slot. The system can test the state of the relay's contact according to the fixed sample frequency and calculate the relay' time parameter ( act time, bounce time and release time).

系统按照固定的采样频率检测继电器动作与释放时各个触点的状态，计算得出继电器的时间参数（动作时间、动作回跳时间、释放时间，释放回跳时间、动作同步时间差和释放同步时间差）。

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The arc types that make the relay contact dynamic welding occur were introduced.

介绍了造成继电器触点动熔焊的电弧类型,指出闭合短电弧是动熔焊的直接原因.

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Second Discussion of Vehicle Relay Contact Point ′ s Electroerosion

再论汽车继电器触点电侵蚀

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