基于SPCE061A脉搏测量仪的设计与实现

Design and Realization of Pulse Measurement Apparatus by SPCE061A

目的:设计一种主要用于临床上检测脉搏的脉搏测量仪。方法:采用光电传感器检测脉搏信号,通过放大、滤波、整形电路将脉搏波信号转换为方波信号,SPCE061A单片机对转换后的方波信号进行检测并计算每分钟脉搏数,最后通过液晶显示脉搏测量值。结果:该测量仪能够在误差小于±1%的条件下对脉搏进行测量。结论:该测量仪能够实时、连续地对脉搏进行准确监测,可以满足临床对脉搏测量的需要,同时也可以为家庭提供帮助。

Objective To design an apparatus of pulse measurement for clinical application.Methods Photoelectric sensor was used to detect the pulse signal,and the amplifying,filtering and shaping circuits were applied for the transformation of the pulse signal into the square wave signal.SPCE061A was used for the detection of the square wave signal and the calculation of pulse rate per min.The measurement result was displayed finally by LCD.Results The apparatus could check the count of pulse per minute under the error of ±1%.Conclusion The apparatus can measure the pulse accurately and continuously at the real time,which satisfies the needs of pulse measurement clinically or at home.