Improved current sensor

The utility model relates to the technical field of current sensors, in particular to an improved current sensor, which comprises a current sensor, a straight block is fixedly connected above one side of the current sensor, the front end face of the straight block is fixedly connected with a rope body, one side of the bottom of the current sensor is fixedly connected with a vertical cylinder, and the vertical cylinder is fixedly connected with the rope body. A connecting structure is arranged on one side of the current sensor, the connecting structure comprises a circular ring, a vertical rod, a transverse rod and a spring, and the outer wall of the vertical rod is in clearance fit with the inner wall of one side of the current sensor. Through cooperation of a current sensor, a vertical cylinder, a straight block, a rope body, a bent plate, a first magnet, a second magnet and a connecting structure, a vertical rod is inserted into the inner wall of one side of the current sensor, then the vertical rod is inse