A road structure compressive strain monitoring sensor, manufacturing method and device

Abstract

The present disclosure provides a road structure compressive strain monitoring sensor, a manufacturing method and a device. The steps include: preparing an integrated molding mold, injecting a conductive composite sensitive material, forming and curing to obtain a conductive core element; assembling the conductive core element to form a casting mold, The high temperature resistant material is poured, and the high temperature resistant conductive core element is obtained after molding and curing; the high temperature resistant conductive core element is assembled into a compressive strain sensor packaging mold, the packaging material is injected, and the road structure compressive strain monitoring sensor is obtained after molding and curing; The compressive strain and compressive stress monitoring sensor manufacturing device and method, when manufacturing the sensor, the sensor manufacturing process is simple, the manufacturing materials are easy to obtain, and the simple preparation of the core components of the sensor, the conductive circuit and the packaging material can be effectively realized; its stiffness is related to the road surface. The stiffness of the structural layer is matched, the service life is long, and the survival rate is high.

Description

technical field [0001] The present disclosure relates to the fields of road engineering materials and road engineering monitoring, in particular to a manufacturing device and method for a micro-compression-strain monitoring sensor with a strain and stress resistance response sensitive conductive composite sensitive material as a core element. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] In recent years, conductive composite sensitive materials have provided new ideas for intelligent monitoring. The application of conductive composite sensitive materials in engineering fields such as roads, bridges, aerospace, civil engineering, electronics, electrical, petrochemical and other engineering fields has broad prospects. However, in practical engineering applications, conductive composite sensitive materials need to face a variety of comple...

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Problems solved by technology

This has the disadvantages that the surface integrity of the sample may not be smooth enough, the conductive adhesive has a long curing time period, the conductive adhesive has poor adhesion, and the contact electrical signal is unstable; and the production process is complicated and the production efficiency is low.

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