便携式脉搏测试仪的设计及应用

Design and Application of the Portable Pulse Tester

利用光电转换装置对脉搏信号进行采集,利用INA333、OPA2134、OP07等芯片实施了脉搏信号放大和滤波,以MSP430单片机控制液晶等模块电路,实现了实时显示被测者每分钟的脉搏数,并能进行定时、连续长时间测量、保存数据,同时能回放测量数据。该测试仪功耗低、成本小,能广泛应用脉搏信号检测领域。

Using photoelectric device to collect the pulse signal,using INA333,OPA2134 and OP07 chip to implement pulse signal amplifier and filter,with the module circuit of MSP430 microcontroller LCD,the design realized the pulse number of each minute in real-time display,and enabled proceeded timing,continuous measurement for a long time,store the data,and playback measurement data.The tester has many advantages,such as low power consumption,small cost,which can be widely used in pulse signal detection field.