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开发了一种基于P89C668HFA的呼吸机控制系统的硬件,介绍了呼吸机控制系统设计的整体结构,CPU、传感器的选型,分析了该系统主要模块的设计,包括CPU控制器、电源电路、信号采集电路、信号处理电路、驱动电路、外部接口电路等,并结合电路图分析了电路原理。
The hardware of the ventilator control system based on P89C668HFA is developed. The overall structure of the ventilator control system design, CPU and sensor selection are introduced. The design of the main modules of the system is analyzed, including CPU controller, power supply circuit, signal Acquisition circuit, signal processing circuit, driver circuit, external interface circuit, etc., combined with the circuit diagram analysis of the circuit principle.