| 基于STM32的光学透射法水浊度检测系统设计 |
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| 引用本文： | 李仔艳,郭骥,丁思同,郭未宽,高秀敏. 基于STM32的光学透射法水浊度检测系统设计[J]. 光学仪器, 2020, 42(2): 80-86 |
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| 作者姓名： | 李仔艳 郭骥 丁思同 郭未宽 高秀敏 |
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| 作者单位： | 上海理工大学 光电信息与计算机工程学院，上海 200093 |
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| 摘 要： | 针对水污染的检测,设计了一种基于STM32的水浊度在线实时检测系统。该系统基于国际标准(ISO7027—1984)中的透射法,通过将一束光打到一定厚度的水样中,测量透射光强度的衰减量来确定水样的浊度。实验结果表明:实际测量值与浊度标准液对比值的平均相对误差在4%以内,具有一定的可行性,可以实现对水浊度的实时监测。所设计的系统成本低,体积小,携带方便,检测方式简单,可用于日常生活中对水质的检测。
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| 关 键 词： | 水浊度检测 光电信号 透射法 |
| 收稿时间： | 2019-08-14 |
Design of water turbidity detection system based on STM32 optical transmission method |
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| LI Ziyan,GUO Ji,DING Sitong,GUO Weikuan,GAO Xiumin. Design of water turbidity detection system based on STM32 optical transmission method[J]. Optical Instruments, 2020, 42(2): 80-86 |
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| Authors: | LI Ziyan GUO Ji DING Sitong GUO Weikuan GAO Xiumin |
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| Affiliation: | School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China |
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| Abstract: | Aiming at the detection of water pollution, an online real-time detection system of water turbidity based on STM32 is designed. Based on the transmission method in ISO7027—1984, the system determines the turbidity of water samples by measuring the attenuation of the transmitted light intensity by striking a beam of light into a water sample with a certain thickness. The experimental results show that the average relative error between the actual measured value and turbidity standard liquid value is less than 4%. It is feasible to realize the real-time monitoring of water turbidity. The designed system has the advantages of low cost, small volume, convenient carrying, and simple detection mode, and can be used for water quality monitoring in daily life. |
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| Keywords: | water turbidity detection photoelectric signal transmission method |
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