集成定时器系统在医疗设备中的应用  

Application of the integrated timer system in the medical equipment

作　　者：张谷敏[1] 张伟[1] 尹晓峰[1] 张康[1] 李兴东[1] 

机构地区：[1]济南军区联勤部药品仪器检验所装备维修室,山东济南250022

出　　处：《中国医学装备》2015年第12期64-66,共3页China Medical Equipment

摘　　要：目的:通过对集成定时器系统的研究,及其在医学工程领域中的一些应用,阐述集成定时器系统的优越性,进而体现其在未来领域中的应用价值。方法:以555时基集成电路定时器为核心芯片,外加电阻、电容可以组成性能稳定而精确的多谐振荡器、单稳态触发电路及施密特触发器等电路,来驱动负载等电器件工作。结果:以555时基集成电路为核心的集成定时器,运行稳定且精度较高,电源适用范围宽且耗能低。结论:基于集成定时器系统的延时电路结构简单,具有成本低、精度高等优点,其将在科技、军事及医疗等领域有更加广泛的应用前景。Objective： Based on the research of the integrated timer system, and its applications in the field of medical engineering, it illustrated the advantages of integrated timer system, and then demonstrated its application values in the field of the future. Methods： With 555 time base timer as the core chip, and added a small amount of resistances and capacitances, they can form stable performance, precise multivibrator, monostable trigger circuit, Schmitt trigger circuit to drive the work load. Results： With a 555 time base integrated circuit as the core of integrated timer, the integrated timer system runs stably and has some other advantages on high precision, wide application and low consumption. Conclusion： It will have a wider application prospect in science and technology, military, medical and other fields,for the integrated timer delay circuit＇s simple structure simple, low cost, high accuracy, etc.

关 键 词：555时基集成电路 触发 延时器 芯片 

分 类 号：R197.324[医药卫生—卫生事业管理]