| 摘要 |
A device for determination of mechanical stresses in ferromagnetic constructions includes a magnetoelastic sensor with magnetic writing head, direct current power source, smoothening filter, time relay with contact group and two control circuits, measuring and signaling block connected to a pair of contacts of contact group of time relay, each of pole tips of an open magnetic conductor of magnetic writing head is provided with writing winding, control winding and is arranged with through openings where two excitation windings are placed. Open magnetic conductor of the magnetic writing head is arranged in E-shaped form, additional pole tip of that one is provided with an additional writing head and additional signaling winding and arranged with through openings where two additional excitation windings are placed. |
