Leakage current detection device

The invention provides a leakage current detection device. The leakage current detection device comprises a first wire, a second wire, a first magnetic field concentration element and a magnetic sensor, wherein the first wire generates a first magnetic field, the second wire generates a second magnetic field, and the second wire is arranged on one side of the first wire. The first magnetic field concentration element is arranged between the first wire and the second wire so as to generate a highly uniform magnetic field area between the first wire and the second wire. The magnetic sensor is arranged in the highly uniform magnetic field area and is used for detecting the first magnetic field and the second magnetic field. 本发明提供一种漏电流侦测装置，包括第一导线、第二导线、第一磁场集中元件以及一磁性感测器。其中，第一导线产生第一磁场，第二导线产生第二磁场，第二导线设置于第一导线一侧。第一磁场集中元件设置于第一导线与第二导线之间，以于第一与第二导线之间产生高度均匀磁场区。磁性感测器设置于高度均匀磁场区，用以侦测第一与第二磁场。