吸反力分析在继电器改进设计中的应用

Application of Suction Counter-Force Analysis in Improved Relay Design

电磁继电器的吸力特性和反力特性的恰当配合是确定电磁继电器机械和电气参数值范围及其稳定性的重要依据。介绍了拍合式继电器原理、结构及参数,通过对交直流和不同磁势对吸力特性的影响分析和对反力特性影响特性分析,研究了继电器在吸合与释放过程中的吸力特性和反力特性匹配。结果表明,通过对技术参数调整可以对关键参数进行控制,进而使得吸力特性和反力特性更好地配合。

The mechanical characteristics of the electromagnetic relay includ the suction and the counter force,and the proper matching of the two characteristics is an important basis for determining the range and stability of the mechanical and electrical parameters of the electromagnetic relay.Introduction was made to the principle of clapper type relay,the structure and the parameters.Via analysis of the impacts of ac/dc and different magnetic potential on suction characteristics,this paper researched the matching of suction and counter-force characteristics in the process of relays actuation and releasing.The results show that via technical parameters adjustment,the key parameters could be controlled to make the suction and counter force characteristics matching better.