霍尔效应测磁场1
2021-09-26
来源:易榕旅网
表3.8.1 UH-IH关系测量数据记录IH取样电阻R=300Ω励磁电流IM=400MAB=293MTUR(MV)U1(MV)U2(MV)U3(MV)U4(MV)UH(MV)IH(MA)0.5015034.1-34.134.2-34.234.151.0030067.9-67.968.2-68.368.0751.50450101.7-101.8102.1-102.2101.952.00600135.5-135.6135.9-136.2135.82.50750169.1-169.2169.6-170169.475UH-IH曲线UH(MV)2001501005000.0 0.5 1.0 1.5 2.0 2.5 3.0 IH(MA) 表3.8.2 霍尔元件灵敏度测量数据记录 IH=1.0mAB(MT)U1(MV)U2(MV)U3(MV)U4(MV)UH(MV)Im(MA)5036.18.4-8.58.6-8.78.55150106.524.7-24.825.1-25.124.925250177.741.2-41.241.6-41.741.42535025358.7-58.759-59.158.875450330.376.8-76.977.3-77.377.075KH=234.0106518KH236.8421053234.0375587233.117614232.7075099233.3484711表3.8.3 霍尔效应测磁感应强度数据记录 U1(MV)U2(MV)U3(MV)U4(MV)UH(MV)BIM(MA)10016.7-16.716.9-16.916.80.07179160420033.2-33.233.4-33.433.30.14230121530050.5-50.550.5-50.550.50.21580214240068.3-68.468.3-68.368.3250.29197388950086.6-86.787-87.186.850.371136952B与IM的关系600500400300200100000.10.20.30.4BIM表3.8.4 电磁铁中磁场沿水平方向分布数据记录IM=400MAIH=0位置(mm)-20.0-18.0-16.0-14.0-12.0-10.0B98.9192.3281.6291.7291.9291.7位置(mm)-6.0-4.0-2.00.02.04.0B291.2291.1291.0291.0291.0290.9位置(mm)8.010.012.014.0B291.20291.20291.00276.60B-x曲线350 300 250 200 150 100 -8.0291.46.0291.0B100 50 0 -30 -20 -10 0 10 20 x