| 岑远遥,贺琼瑶,吴遥,赵方超,陈明亚,刘聪,周堃,邓家卫.基于梳状电极的盐雾沉积率自动监测技术[J].装备环境工程,2024,21(11):146-154. CEN Yuanyao,HE Qiongyao,WU Yao,ZHAO Fangchao,CHEN Mingya,LIU Cong,ZHOU Kun,DENG Jiawei.Automatic Monitoring Technology for Salt Spray Deposition Rate Based on Comb Shaped Electrodes[J].Equipment Environmental Engineering,2024,21(11):146-154. |
| 基于梳状电极的盐雾沉积率自动监测技术 |
| Automatic Monitoring Technology for Salt Spray Deposition Rate Based on Comb Shaped Electrodes |
| 投稿时间：2024-07-17 修订日期：2024-08-12 |
| DOI：10.7643/issn.1672-9242.2024.11.018 |
| 中文关键词: 盐雾沉积率 梳状电极 交流阻抗 盐雾浓度 实时测量 温度补偿中图分类号:TN721 文献标志码:A 文章编号:1672-9242(2024)11-0146-09 |
| 英文关键词:salt spray deposition rate comb shaped electrode AC impedance salt spray concentration real-time measurement temperature compensation |
| 基金项目: |
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| Author | Institution |
| CEN Yuanyao | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China;Environmental Effects and Protection of Chongqing Key Laboratory, Chongqing 400050, China |
| HE Qiongyao | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China;Environmental Effects and Protection of Chongqing Key Laboratory, Chongqing 400050, China;National Defense Science and Technology Industry Natural Environment Test and Research Center, Chongqing 400050, China |
| WU Yao | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China;Environmental Effects and Protection of Chongqing Key Laboratory, Chongqing 400050, China |
| ZHAO Fangchao | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China;Environmental Effects and Protection of Chongqing Key Laboratory, Chongqing 400050, China;National Defense Science and Technology Industry Natural Environment Test and Research Center, Chongqing 400050, China |
| CHEN Mingya | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China |
| LIU Cong | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China;Environmental Effects and Protection of Chongqing Key Laboratory, Chongqing 400050, China;National Defense Science and Technology Industry Natural Environment Test and Research Center, Chongqing 400050, China |
| ZHOU Kun | Equipment Environmental engineering Research Center,Southwest Institute of Technology and Engineering, Chongqing 400050, China;Environmental Effects and Protection of Chongqing Key Laboratory, Chongqing 400050, China;National Defense Science and Technology Industry Natural Environment Test and Research Center, Chongqing 400050, China |
| DENG Jiawei | The Second Military Representative Office of the Army Equipment Department Stationed in Chongqing, Chongqing 400060, China |
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| 中文摘要: |
| 目的 针对装备服役过程中大气环境和具备微环境的盐雾沉积率自动监测开展研究，为装备服役过程提供腐蚀损伤研究提供全过程盐雾数据。方法 通过分析，确定利用湿烛法捕集大气盐雾，使用梳状电极作为传感器探头，采用交流阻抗法测量盐雾浓度变化后溶液阻抗值。结果 经过测试所设计的交流阻抗测量系统，误差最大小于5%。对不同浓度的盐雾溶液测量后，得到浓度与阻抗之间的关联模型，相关性为R2=0.987 0。在25 ℃下，对不同浓度的溶液进行测量后，得到盐雾浓度测量的温度补偿模型。在某地开展了户外实时监测试验，监测时间为1周，测量的盐雾沉积率为0.04 mg/(100 cm2.d)，同时开展纱布挂片法进行对比实验，纱布挂片法测量的结果为0.025 mg/(100 cm2.d)。结论 该技术可实现盐雾沉积率自动监测，监测数据可用于装备状态评估。 |
| 英文摘要: |
| The work aims to study the automatic monitoring of salt spray deposition rate in atmospheric environment and microenvironment during equipment service, providing full-process salt spray data for corrosion damage research during equipment service. Through analysis, the wet candle method was used to capture atmospheric salt spray. The comb shaped electrodes were used as sensor probes, and the impedance value of the solution after changes in salt spray concentration was measured by the AC impedance method. After testing, the maximum error of the designed AC impedance measurement system was less than 5%. After measurement of salt spray solutions of different concentrations, a correlation model between concentration and impedance was obtained, with a correlation coefficient of R2=0.987 0. A temperature compensation model for salt spray concentration measurement was obtained aftermeasurement of solutions of different concentrations at 25 ℃.An outdoor real-time monitoring experiment was conducted at a certain location for one week, with a measured salt spray deposition rate of 0.04 mg/(100 cm2.d). At the same time, a comparative experiment was conducted by the gauze hanging method, leading to a result of 0.025 mg/(100 cm2.d). This technology can achieve automatic monitoring of salt spray deposition rate, and the monitoring data can be used for evaluating equipment status. |
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