当前,为了改善负荷传感器的性能,传感器经常设计成:迫使由被测负荷所形成的应力均布及集中于弹性体上的一个或几个力路中。被集中的应力由应变计来检测,其输出将精确的对应于被测负荷。 在本文中,这种集中应力的技术被概括为集中应力原理。文中详细介绍了此原理及通过例子介绍了这种技术在负荷传感器设计中的应用。 Currently, in order to improve the performance of a load cell, the sensor is often designed to force the stress created by the load being measured to be uniform and concentrated in one or several force paths on the elastomer. The stress that is concentrated is detected by the strain gauge and its output will correspond exactly to the load being measured. In this paper, this technique of stress concentration is summarized as the principle of stress concentration. This paper introduces the principle in detail and introduces the application of this technology in the design of load cell by examples.