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本文借助微处理机系统控制和检测大功率感应脉冲加热过程电热参数动态变化值。从电磁相互作用理论、热传导及物理冶金学理论出发,分别对感应脉冲加热物理过程和热透层深度与电热参数之间的关系进行了深入研究。按涡流集中区物理性态提出了铁磁材料感应加热周期内划分铁磁态、铁磁性向顺磁性转化态及顺磁态三个阶段的理论模型。文中还对三阶段理论的本质进行了分析讨论,建立了热透层(淬硬层)深度与感应加热电热参数之间的关系式。
In this paper, microprocessor control system and detection of high-power induction pulse heating process electric parameters of the dynamic changes. Based on the theory of electromagnetic interaction, the theory of heat conduction and physical metallurgy, the relationship between the physical process of induction pulse heating and the depth of the heat-penetration layer and the parameters of electric heat are studied respectively. According to the physical state of the eddy current concentrating zone, the theoretical model of the three stages of ferromagnetic transition from ferromagnetic to paramagnetic state and paramagnetic state during the induction heating period was proposed. The article also analyzes and discusses the nature of the three-stage theory and establishes the relationship between the depth of the heat-permeable layer (hardened layer) and the electrothermal parameters of induction heating.