质子磁场传感器类方形线圈结构参数设计  

Structural Parameters Design of Square Coil for Proton Magnetic Field Sensor

作　　者：谭超[1,2] 王家成 李宗燎 TAN Chao;WANG Jiacheng;LI Zongliao(Department of College of Electrical Engeering and New Energy,China Three Gorges University,Yichang Hubei 443002,China;Hubei Key Laboratory of Construction and Management in Hydropower Engineering,China Three Gorges University,Yichang Hubei 443002,China)

机构地区：[1]三峡大学电气与新能源学院,湖北宜昌443002 [2]湖北省水电工程施工与管理重点实验室(三峡大学),湖北宜昌443002

出　　处：《传感技术学报》2018年第11期1679-1683,共5页Chinese Journal of Sensors and Actuators

基　　金：水电工程施工与管理湖北省重点实验室(三峡大学)开放基金项目(2016KSD17);湖北省弱磁探测工程技术研究中心开发基金项目(2017KRC02)

摘　　要：为提高质子磁场传感器输出信号幅度和信噪比,提出了一种针对质子磁场传感器的类方形电感线圈结构。在传感器腔体内径限定的约束条件下,以感应电动势幅值最大化为目标,对类方型线圈和圆形线圈的结构参数进行优化设计,计算线圈尺寸参数;根据计算结果,利用COMSOL软件建立线圈等效仿真模型,得到线圈内部磁场参数,结合实际制作的线圈电感量,理论计算得出类方形线圈接收的感应信号幅度比圆形线圈高1.59倍;对比实验结果表明类方形线圈感应信号的幅度是圆形线圈的1.43倍,且感应信号的信噪比提高了3.1dB。In order to improve the output signal amplitude and signal-to-noise ratio（SNR）of proton magnetic field sensor,a square inductor coil structure is proposed. For maximizing the amplitude of induction electromotive force under the constraints of the sensor cavity ’ s inner diameter fixed,the parameters of the square coil structure are optimized. According to the results of the calculation,the internal magnetic field parameters of the coil are obtained by simulation using COMSOL software,combine with the inductance of made coils,the theoretical calculation shows that the magnitude of the induction signal received by the square coil is 1.59 times higher than that of the circular coil. The comparison results show that the inductive signal amplitude of the square coil is 1.43 times higher than that of the circular coil,and the SNR of the induction signal is increased by 3.1dB.

关 键 词：质子磁场传感器 拉莫尔信号 信噪比 线圈设计 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]