High-sensitivity double-magnetic-core fluxgate sensor model

The utility model discloses a high-sensitivity double-magnetic-core fluxgate sensor model, which comprises a probe model and an interface circuit model, and is characterized in that the probe model comprises a magnetic core, an induction coil and an excitation coil; the interface circuit model comprises an excitation circuit used for providing saturation current for the magnetic cores and a detection circuit used for detecting voltage change induced in the induction coil, the magnetic cores are double magnetic cores which are made of permalloy soft magnetic materials and are of a sheet structure, and the two magnetic cores are horizontally distributed; the induction coil is cylindrical. By improving the probe of the fluxgate sensor, not only is the sensitivity of the fluxgate sensor improved, but also the overall performance of the fluxgate sensor can be improved, and the fluxgate sensor can work stably and reliably. 本实用新型公开了一种高灵敏度的双磁芯磁通门传感器模型，包括有探头模型和接口电路模型，其中，探头模型包括有磁芯、感应线圈和激励线圈；接口电路模型包括有用于提供使磁芯达到饱和电流的激励电路和