矿用永磁磁力耦合器设计理论及实验研究

发布时间：2018-05-26 08:25

本文选题：永磁耦合器 + 涡流损耗　；参考：《中国矿业大学（北京）》2014年博士论文

【摘要】：本文运用磁力驱动技术、材料技术、电磁场与机械设计等理论，确定了矿用磁力耦合器的基本结构；详细研究了导体盘、永磁体盘间相对运动产生涡流的原因、磁场分布特点、推导出了转矩输出的基本规律；应用Matlab、Ansoft maxwell软件，计算分析了不同参数对磁感应强度、传递转矩、输出功率的影响规律；设计搭建了测试平台，实验得出了气隙、铜盘厚度、磁铁厚度、磁极面积与对数对磁力耦合器机械和工作特性的影响关系，优化确定了40KW矿用永磁磁力耦合器的设计参数；研制出了样机，，完成了工况条件下矿用磁力耦合器机械和工作特性的测试，验证了其具备较好的软启动和过载保护性能，完全具有驱动风机类和恒转矩负载能力，为其在煤矿生产中推广应用和更大功率矿用永磁磁力耦合器开发提供了实验设计基础。
[Abstract]:Based on the theory of magnetic drive technology , material technology , electromagnetic field and mechanical design , the basic structure of magnetic coupler for mine is determined .
The reason of eddy current and the distribution of magnetic field are studied in detail , and the basic law of torque output is deduced .
By using Matlab and Ansoft maxwell software , the effects of different parameters on the magnetic induction intensity , transmission torque and output power are analyzed .
The test platform was designed , and the influence relation between the air gap , the thickness of the copper plate , the thickness of the magnet , the area of the magnetic pole and the logarithm of the logarithm on the mechanical and working characteristics of the magnetic coupler was obtained , and the design parameters of the 40KW permanent magnet magnetic coupler were optimized .
A prototype is developed to test the mechanical and operational characteristics of the magnetic coupler under the condition of working conditions . It has verified that it has better soft start and overload protection performance , and has the capability of driving the fan and constant torque load , and provides the experimental design basis for the application of the magnetic coupler in coal mine production and the development of the high - power magnetic coupler .
【学位授予单位】：中国矿业大学（北京）
【学位级别】：博士
【学位授予年份】：2014
【分类号】：TD40;TH139

【参考文献】