Secondly,the experimental equipment of electrical life of relay was developed and the arc erosion status of contacts of breaking the inductive load with the four circuits was researched by experiments.
论文首先构建了无保护电路和3种有保护电路模型并给出了电弧能量的计算公式;然后研发了继电器电寿命实验装置并通过实验研究了上述4种电路中继电器开断感性负载时触点的电弧侵蚀情况。
In a 150A type motorcycle,the contact s attracting reliability of the starting relay greatly affects its quality.
150A摩托车用大电流启动继电器触点的吸合可靠率是决定该继电器质量的一个很重要指标,基于单片机技术,结合声、光、电、检测控制方法,设计出一种检测大电流摩托车用启动继电器触点接触是否合乎要求的方法。
When applying 42 VDC high voltage, every parameter performance, such as arcing duration, arc extinction gap, close bounce, contact erosion and welding trend will be materially changed.
采用42V大电压后,车用电磁继电器的各参数性能,如燃弧时间、熄弧间隙、闭合弹跳、触点侵蚀及熔焊倾向将发生重大变化。
Research on dynamic contact resistance measurement and failure prediction of relay contacts;
动态接触电阻测量及触点失效预测研究
Research on failure prediction of relay contacts;
继电器触点失效预测的研究
The thesis makes a review of the new development of the theory of the electrical contact in the world with especial attentions to the importance and significance of the electrical contact failure prediction for contacts.
在广泛查阅电接触理论领域文献的基础上，对触点接触电阻值的变化情况进行了分析，提出了接触电阻值的变化规律。
However,cutting locus should be space curve,the program method must be exist theoretic error,so the paper studies the calculational method of cutter-contact points and tool-path in allusion to the error which can not be elimination.
在数控机床上加工螺旋面多采用平面啮合理论,但实际在工件表面的切削轨迹为空间曲线,针对平面编程方法存在不可消除的理论误差,对截面包络法数控加工螺旋面时刀触点和刀具运动轨迹进行研究,提出一种新的计算刀触点“最小有向距离算法”的理论并进行论证。
Study on judging the initial contact point in nanoindentation;
纳米压入法测量中初始接触点判断问题研究
Paradigm of contact point management and its communication;
接触点管理模式及其传播学透视
The riveting technique for an electric contact was improved,and the processing technology for the bridge joint subassembly and the feed in scheme for the electric contact were determined.
通过对电触点铆接方法的工艺改进,制定了定位桥组件的生产工艺及电触点的送进方案,实现了电触点在精密多工位级进模内的自动送入及其与冲制件的装配、铆接。
The fabrication,physical and mechanical properties,and electric life in electric contact of short carbon fiber/silver matrix composite have been studied.
本文研究了用粉末冶金法制备短切碳纤维／银基复合材料，对复合材料进行了物理、机械性能测试并应用于电触点进行了电寿命试验。