基于STM32的便携式无线多参数肺功能测试仪设计  

Design of a portable multi-parameter wireless spirometer based on STM32

作　　者：周垂柳 曹自立[1] 叶彬浩 曾碧新[1] 

机构地区：[1]温州医科大学信息与工程学院,浙江温州325000

出　　处：《电子技术应用》2014年第11期16-18,22,共4页Application of Electronic Technique

摘　　要：开发一种界面友好、可与医院联网的便携式无线多参数肺功能测试仪,由层流流量传感器、STM32处理器、LCD触摸显示屏和GPRS模块设计而成。该仪器可以测试常规肺功能指标、用力呼气肺量图部分平均通过时间(MTTp)、显示容积-时间曲线、流量-时间曲线、流量-容积曲线,采用的触摸液晶屏为用户提供可视化操作界面,另外数据还可以通过GPRS传输到医院,实现远程医疗。测量的常规肺功能指标与标准肺功能仪的测量值无显著差异。该仪器体积小,成本低,界面友好,操作简单,适合推广到家庭和中小型医院使用。This paper develops a portable multi-parameter wireless spirometer which has a friendly interface and even can network with hospital wirelessly.Self-designed laminar flow sensor,STM32 processor,LCD touch screen and GPRS are used to constitute the portable multi-parameter spirometer.The system can not only test normal lung function parameter,but also test the partial mean transit time （MTTp）,display V-T curve Flow-T curve and MEFV curve.In addition,the acquired data can be sent to the PC by GPRS module for doctors healing to.The results of clinical trial show no significant differences between the device and the standard.The system has small volume,low cost,friendly interface and simple operation,and is suitable for families and small hospitals.

关 键 词：肺功能仪 STM32 便携 GPRS 

分 类 号：TH772[机械工程—仪器科学与技术]