毕业设计---基于单片机医用智能输液泵的研究与设计

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1、 1 基于单片机基于单片机医用智能输液泵的研究与设计医用智能输液泵的研究与设计 摘摘 要要 随着科技的发展，越来越多的领域需要对流量或流速进行精确控制。尤其现 代医疗领域对静脉输液流速和护理的要的流求越来越高.本装置就是采用 89C51 控制步进式电机挤压输液管控制液体点滴速度， 并采用红外线光电传感器检测点 滴速度，具有反应快，灵敏度高的优点。并详细介绍了单片机组成的电机控制系 统，以及通过扩展 8255 芯片完成键盘和现实电路的设计。该系统还可以通过 RS-232 芯片与上位机组成主从控制网络，实现统一控制。并具有输液完了和气 泡报警等功能，使用灵活方便。 关键词：89C51，步进式电机，

2、红外线传感器，8255，RS-232 Abstract Along with the technological development, more and more realms need discharge or current velocities of the convection proceed precision control, The particularly modern medical treatment realm loses the liquid current velocity to the vein to want with the nursing of flow

3、to beg more and more high. This device is to adopts a 89C51s enter the type electrical engineering squeeze to lose the liquid control system liquid intravenous drop speed. Combining the adoption infrared ray light fax feels machine examination intravenous drop speed,respond quick,the sensitivity is

4、good. Combine detailed introducing the single electrical engineering control system that a machine constitute, and pass to expand 8255 design for completing keyboard with realistic electric circuits. That system can also pass the slice of RS-232 constitutes with place of honor machine the lord from the control network, realizes to unify the control. Combine to have the liquid of lose over the friendly bubble reports to the police to wait the function, using the vivid convenience. Keywords: 89C