Electromagnetic signal intensity change detection device

The utility model discloses an electromagnetic signal intensity change detection device, and relates to the field of electromagnetic signal detection devices.The electromagnetic signal intensity change detection device comprises a shell, the upper surface of the shell is movably connected with a signal wire rod, the outer surface of the shell is provided with a locking assembly, the lower surface of the shell is provided with an anti-falling assembly, and the locking assembly comprises an edge groove formed in the side edge of the shell; the inner wall of the edge groove is movably connected with a shaft rod, the outer surface of the shaft rod is sleeved with a torsional spring, the outer surface of the shaft rod is fixedly connected with an extension block, the end, away from the shaft rod, of the extension block is fixedly connected with an elastic buckle, and the outer surface of the signal line rod is provided with an annular clamping groove. According to the invention, the elastic buckle is pushed to rot