基于医院中心供氧监控系统的安全电源设计

摘要

目的：设计一套用于医院中心供氧监控系统供电的安全电源。方法通过安全电路的设计方式，设计过流保护、过压保护、光耦隔离反馈控制、远程监测接口等电路，使其具有精确得限流保护、过压过载、远程监测等保护功能。结果该安全电源能够正常稳定的长时间不间断工作，且输出纹波小于1%，过流保护与过载保护等电路都能正常工作，能保证该电源的安全性。结论该安全电源能正常的为医院中心供氧监控系统提供电力支持，且能在漏氧的环境下安全正常的工作，即使发生故障也不会有引发火灾的危险。能显著提高医院中心供氧监控系统下位机段的安全系数和实用价值，有利于提高医院中心供氧的智能化管理水平。%ObjectiveTo design a set of safety power supply for hospital central oxygen supply monitoring system.MethodsThrough the safety circuit design, circuits such as over-current protection, overvoltage protection, optical coupling isolation feedback control circuit, remote monitoring interface were designed, which guarantee protection functions of accurate current limiting protection, over voltage, overload and remote monitoring.Results The safe power supply can work stably for a long continuous time, and the output ripple is less than 1%. The over-current protection and overload protection circuits can work properly to guarantee the safety of the power supply.ConclusionThe safe power supply can offer power to the hospital central oxygen supply monitoring system properly, and can work stably in the condition of oxygen leakage. Even if malfunction happens, it will not cause ifre. This design can signiifcantly improve the machine safety coefifcient and the practical value of the hospital center oxygen supply monitoring system, helping to improve intelligent management level of hospital central oxygen supply monitoring system.