探索提高纸盆刚性的原理  

Research the theory of enhancing stiffness of paper cone

作　　者：陈瑞祥 

机构地区：[1]国光电器股份有限公司,广东广州510800

出　　处：《电声技术》2017年第4期47-49,共3页Audio Engineering

摘　　要：探讨了提高扬声器纸盆刚性的问题。使用材料力学的通用分析方法,将纸锥等效为一根变截面梁,并对它进行了受力分析。结果表明,纸盆在工作时主要是受弯曲力矩的作用,在纸盆内部产生的最大应力也是来源于外力产生的弯矩,最大应力在纸锥的上下表面。根据分析结果,找到了提高纸盆刚性的理论依据,指出增加纸盆的厚度可以大幅度地提高纸盆的刚性,并参照提高构件刚性原理提出了一些提高纸盆刚性的方法。This paper use mathematic technique to transform a paper cone as a variational cross section pole and take a force analysis on it. Investigation shows that the bending moment is a major cause to the stress on paper cone while working. The maximum stress producing in paper cone is come from the bending moment brought by driving force. The maximum stress point is on both surfaces of paper cone. Increasing the paper cone thickness can increase stiffness. Some methods to increase the stiffness of paper cone are recommended by referring to the principle of increasing stiffness for poles.

关 键 词：等效 受力分析 弯矩 最大应力 

分 类 号：TN643[电子电信—电路与系统]