| 呼吸机加热湿化器温度控制电路设计 |
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| 引用本文： | 陈正龙,胡兆燕,张意彬,路攀,潘友联.呼吸机加热湿化器温度控制电路设计[J].传感器与微系统,2011,30(3):98-100. |
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| 作者姓名： | 陈正龙 胡兆燕 张意彬 路攀 潘友联 |
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| 作者单位： | 1. 上海医疗器械高等专科学校,精密医疗器械系,上海,200093
2. 上海理工大学,机械工程学院,上海,200093 |
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| 基金项目： | 上海高校选拔培养优秀青年教师科研基金资助项目 |
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| 摘 要： | 利用NE555集成电路和负温度系数(NTC)热敏电阻器设计了一种呼吸机用加热湿化器温度控制电路。阐述如何确定电路设计方案、选择适合的热敏电阻以及计算限流电阻的大小,并对加热湿化器样机温度稳定性进行了测试,结果表明其符合相关的呼吸机用加热湿化器国际标准。研究设计的温度控制电路具有一定的通用性。
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| 关 键 词： | 加热湿化器 NE555定时器 负温度系数热敏电阻器 温度控制 |
Design of the temperature control circuit for respiratory tract heated humidifier |
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| CHEN Zheng-long,HU Zhao-yan,ZHANG Yi-bin,LU Pan,PAN You-lian.Design of the temperature control circuit for respiratory tract heated humidifier[J].Transducer and Microsystem Technology,2011,30(3):98-100. |
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| Authors: | CHEN Zheng-long HU Zhao-yan ZHANG Yi-bin LU Pan PAN You-lian |
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| Affiliation: | 1.Department of Precision Medical Device,Shanghai Medical Instrumentation College,Shanghai 200093,China;2.College of Mechanic Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China) |
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| Abstract: | How to design the temperature control circuit of the heated humidifier using the NE555 IC and the NTC thermistor is introduced in detail.The circuit scheme,selection of the thermistor and calculation of current limiting resistor are described.The experiment shows that the performance of the proposed heated humidifier meet the related international standards.The presented temperature control circuit for heated humidifier is universal. |
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| Keywords: | heated humidifier NE555 timer NTC thermistor temperature control |
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