Piezomagnetic turbine loss type reinforced concrete strain sensor and piezomagnetic stain meter thereof

[0055] One of piezomagnetic eddy consumption reinforced concrete strain sensors such as figure 1 As shown, the strain sensor includes a ferromagnet 1, a double-elastic free-end combined cantilever beam 2 integrally processed with the ferromagnet, a ferrite coil 3, a ferromagnetic foot mark 4 that is matched and connected to the cone hole and the cone, and a positioning hole 5. Brake screw 6 and outlet cable plug 7. Wherein, the combined cantilever beam with double elastic free ends is two combined cantilever beams with one end fixed and one end with a semicircular, U-shaped or S-shaped elastic free end. When assembling, firstly bond the ferrite coil 3 to the frame of the ferromagnet with epoxy resin, and place it on the center line of the fixed end of the cantilever beam, keeping the gap between the coil core and the surface of the cantilever beam at 0.1-0.15mm , and then install the foot mark, stop screw, outgoing cable and plug parts. During the measurement, use epoxy glue...