▎ 摘　　要

NOVELTY - The utility model claims a laminated annular piezoresistor, comprising a base, a middle frame, a top cover and resistor main body, the base and the top part frame is provided with screw thread groove, and the screw thread of the groove is provided with a groove, two sides of the base and the middle frame are provided with a limiting groove, and two resistor of the main body are integrally formed with copper leg wire. resistor utility model, the main body of the utility model is matched in the inner part of the groove, and the copper wire is matched in the inner part of the limiting groove, the screw thread ring screw thread connected in the screw thread part of the groove, which realizes the laminated mounting of the annular piezoresistor, at the same time, it is convenient for the annular piezoresistor to disassemble and repair or maintain, graphene radiating fin is jointed with the resistor body, so that the heat generated resistor the main body can be transmitted to the heat conducting sheet through the radiating graphene, then the heat conducting sheet is transmitted to the fin through the vent hole for evacuation, which greatly improves the radiating effect of the laminated annular pressure sensitive resistor.