基于多因素的动物触电电流特征试验与分析  

Experiment and analysis of animal electric shock current characteristics based on multiple factors

作　　者：叶豪 李春兰 高阁 王海杨 任鹏 YE Hao;LI Chunlan;GAO Ge;WANG Haiyang;REN Peng(College of Mechanical and Electrical Engineering,Xinjiang Agricultural University,Urumqi,Xinjiang 830052,China)

机构地区：[1]新疆农业大学机电工程学院

出　　处：《江苏大学学报（自然科学版）》2020年第1期39-45,共7页Journal of Jiangsu University：Natural Science Edition

基　　金：国家自然科学基金资助项目(51467021)

摘　　要：为研究触电通道、触电方式、体质量与动物触电电流的关系,在三相电压36 V、频率50 Hz条件下对体质量为26,32和39 kg的3只哈萨克羊,体质量为14,18和23 kg的3只新疆白猪分别进行触电试验,获得试验羊和试验猪在左前肢左后肢、左前肢右后肢、右前肢左后肢、右前肢右后肢4种触电通道,捆绑和点触2种触电方式下的触电电流信号,利用对比及多因素方差分析研究各因素与触电电流的相关性,通过快速傅里叶变换(fast Fourier transform,FFT)对触电电流信号进行频谱分析,研究各因素与触电电流成分的关系.结果表明:流经试验羊和猪体内的触电电流随体质量的增加而增大;捆绑触电方式下流经试验羊和猪体内的触电电流比点触触电方式的大;同侧触电通道下的触电电流较异侧触电通道下的触电电流大;各试验因素对试验羊和试验猪触电电流的影响显著性顺序为触电方式、体质量、触电通道;体质量、触电通道的改变对试验羊、猪的主要频率成分影响较小,触电方式对触电电流成分的影响较大.To investigate the relationship among electric shock channel,electric shock type,body weight and animal electric shock current,three Kazakh sheep and three Xinjiang white pigs were respectively used for electric shock test under the conditions with three-phase voltage of 36 V and frequency of 50 Hz.The body weights of three Kazakh sheep were 26,32 and 39 kg,respectively,and the body weights of three Xinjiang white pigs were respective 14,18 and 23 kg.The electric shock current signals of the test sheep and pigs were obtained by different electric shock channels and electric shock types.The electric shock channels were determined with left forelimb-left hind limb,left forelimb-right hind limb,right front limb-left hind limb and right front limb-right hind limb.The electric shock types were used with bundled electric shock and point contact electric shock.The correlation between each factor and electric current was investigated by comparative method and multivariate analysis of variance.The frequency spectrum of electric current signal was analyzed by FFT,and the relationship between each factor and components of electric shock current was discussed.The results show that the electric shock current flowing through test sheep and pigs is increased with the increasing of body weight.The electric shock current for the bundled electric shock is larger than that for the point contact electric shock.The electric shock current under the same side electric shock channel is larger than that under the different side electric shock channel.The decreasing influence sequence of test factor on electric shock current of test sheep and test pigs is electric shock type,animal body weight and electric shock channel.The body weights and the electric shock channels have slight effect on the main frequency components of electric shock current,while the electric shock type has great influence on electric shock current frequency components.

关 键 词：动物 触电电流 触电通道 触电方式 快速傅里叶变换 

分 类 号：TM08[电气工程—电工理论与新技术]