基于STM32的便携式有毒气体检测仪设计  

Design of portable toxic gas detector based on STM32

作　　者：赵全 郝龙[1] 徐光[1] 胡家伟 郑雪玲[1,2] 张成 ZHAO Quan;HAO Long;XU Guang;HU Jiawei;ZHENG Xueling;ZHANG Cheng(Beijing Institute of Aerospace Testing Technology,Beijing 100074,China;Beijing Aerospace Kaien New Material Co.,Ltd.,Beijing 100074,China)

机构地区：[1]北京航天试验技术研究所,北京100074 [2]北京航天凯恩新材料有限公司,北京100074

出　　处：《现代电子技术》2023年第12期27-31,共5页Modern Electronics Technique

摘　　要：基于STM32设计一种便携式有毒有害气体检测仪,选用电化学原理气体传感器、低功耗高性能微控制器STM32及功能模块实现对有毒有害气体的浓度检测。文中详细介绍便携式有毒气体检测仪的工作原理,并对电化学气体传感器信号调理电路、控制电路、存储电路和功能软件进行设计。实验结果表明,所设计的气体检测仪具有体积小、功耗低、使用便捷、响应快速、检测精度高等优点,可广泛应用于有毒有害化学品的生产、贮运等各类场景。A portable toxic and harmful gas detector is designed based on STM32.The electrochemical principle gas sensor,low⁃power high⁃performance MCU STM32 and functional modules are used to detect the concentration of toxic and harmful gases.The working principle of portable toxic gas detector is introduced.The signal conditioning circuit,control circuit and storage circuit of electrochemical gas sensor,and function software of the detector are designed.The experimental results show that the designed gas detector has the advantages of small size,low power consumption,convenient use,fast response,and high detection accuracy,and can be widely used in various scenarios such as the production,storage,and transportation of toxic and harmful chemicals.

关 键 词：毒气浓度检测 气体检测仪 STM32 工作原理 电路设计 软件设计 

分 类 号：TN911.23-34[电子电信—通信与信息系统] TP311[电子电信—信息与通信工程]