To reduce the labor intensity of nurses,the burden on the families of patients,to ensure the safety of the infusion,the level detection method using optical,capacitive,ultrasonic,mechanical,images,design an infusion monitoring alarm device changes by monitoring physical quantities.Monitoring liquid level information in real time,then the relevant signal sent to the follow-up alarm circuit,in order to achieve the automatic alarm.Experiments show that the design can be an effective solution liquid level monitoring,alarm display functions.%为减轻护士的劳动强度、患者家属负担、保证输液安全,文中通过采用光电式、电容式、超声、力学、图像等液位检测方法,设计了一种输液监视报警装置.通过监视物理量的变化,以实时监控液位信息,再将相关信号传送到后续报警电路,从而实现自动报警.实验证明,该设计可以有效实现对药液液位的监测、报警、显示等功能.
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