一体化粗糙度测量传感器的设计

Design of Integrated Surface Roughness Measuring Sensor

以表面粗糙度测量仪为例,结合传感器的发展趋势,研究了粗糙度测量传感器的模数一体化实现方法。该传感器将电荷放大、电压幅值放大、A/D转换、数字滤波、数据通信集中在一起,通过DSP实现粗糙度测量过程中数字滤波。结果表明,一体化粗糙度测量传感器集成度高、功能全,提高了数据处理效率,减轻了后续处理电路的计算量。

On the basis of comprehensive researches of existing surface roughness measuring sensors, a new type of sensor has been designed. In this sensor, electric charge amplifying, voltage regulating, A/D change, digital filtering and RS232 communication have been integrated. The processing result for practical measuring data shows that integrated sensor can improve calculating efficiency.