实用新型涉及一种带有气隙铁芯的高磁导率Rogowski线圈，该线圈包括骨架和二次绕组，骨架由带气隙的铁芯构成，铁芯中开有至少一个气隙，二次绕组均匀的分布在气隙铁芯骨架上，并引出两个感应电势的端子。本实用新型的线圈采用气隙铁芯作为骨架，提高相对磁导率，输出信号增大数十倍，信号的处理变得容易；气隙在铁芯中对称分布的结构大大减小了漏磁，保证了相对磁导率的恒定；由于气隙铁芯中的磁感应强度均匀，受导线与线圈相对位置的影响小，抗外界电磁场干扰能力强；二次绕组的绕线只需大致均匀的分布，降低了二次绕组制作难度的同时，可大大改进一次导线与线圈相对位置对测量精度的影响，并可减小外界电磁干扰对测量的干扰。
The utility model relates to a high permeability Rogowski coil with an air gap iron core, which comprises a skeleton and a secondary winding. The skeleton is composed of an air gap iron core with at least one air gap in the core. The secondary winding is evenly distributed on the air gap iron core skeleton and leads to two terminals of induced potential. The coil of the utility model adopts air gap iron core as the framework, which improves the relative permeability, enlarges the output signal by tens of times, and makes signal processing easier; the structure of symmetrical distribution of air gap in the iron core greatly reduces magnetic leakage and ensures the constant relative permeability; because the magnetic induction intensity in the air gap iron core is uniform, the receiving wire is easy to handle. The relative position of the primary conductor and the coil has little influence on the measurement accuracy, and the ability of resisting external electromagnetic interference is strong. The winding of the secondary winding only needs approximately uniform distribution, which reduces the difficulty of making the secondary winding. At the same time, the influence of the relative position of the primary conductor and the coil on the measurement accuracy can be greatly improved, and the interference of external electromagnetic interference on the measurement can be reduced.