Compressive strain monitoring sensor for road structure, as well as manufacturing method and device

A technology for monitoring sensors and manufacturing methods, which can be applied to measurement devices, electromagnetic measurement devices, and electrical/magnetic solid deformation measurement, etc., can solve the problems of unstable contact electrical signals, complex production processes, and low production efficiency, and achieve significant economic benefits. and the society, the easy availability of manufacturing materials, and the simplicity of the manufacturing process

Active Publication Date: 2021-06-25
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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.

Method used

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  • Compressive strain monitoring sensor for road structure, as well as manufacturing method and device
  • Compressive strain monitoring sensor for road structure, as well as manufacturing method and device
  • Compressive strain monitoring sensor for road structure, as well as manufacturing method and device

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Embodiment 1

[0033] Such as figure 1 As shown, the present disclosure provides a method for manufacturing a road structure compressive strain monitoring sensor, the steps comprising:

[0034] Prepare an integrated molding mold, inject conductive composite smart materials, and obtain conductive core components after molding and curing;

[0035] Assemble the conductive core components to form a casting mold, pour high-temperature resistant materials, and obtain high-temperature resistant conductive core components after molding and curing;

[0036] The high-temperature-resistant conductive core components are 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.

[0037] Further, the high-temperature-resistant material is epoxy resin, and the pouring mold is an epoxy column casting mold. The upper and lower ends of the epoxy column casting mold are respe...

Embodiment 2

[0049] The present disclosure provides a method for manufacturing a small compressive strain and compressive stress monitoring sensor for road structures, including:

[0050] (1) Cut a silicone tube with a length of 5cm and an inner diameter of 1cm, and clean the inside. Drill a hole at the corresponding position of the silicone tube, and insert the pre-embedded wire with the protective skin removed at both ends into the hole.

[0051] (2) Insert the lower end into the cap and the upper end of the outflow cap into the silicone tube, wherein the diameter of the cap is consistent with the inner diameter of the silicone tube. Insert the lower end injection conduit into the reserved aperture on one side of the lower end injection cap, and insert the upper end outflow conduit into the reserved aperture on the upper end outflow cap side. The wire should be tightly attached to the caps at both ends.

[0052] (3) Seal the hole reserved for the cap plug and the hole where the wire is...

Embodiment 3

[0060] The present disclosure provides a road structure compressive strain monitoring sensor, which is manufactured by adopting the manufacturing method of a road structure compressive strain monitoring sensor as described in the above-mentioned embodiments, including a core element of a conductive composite smart material, an epoxy column and an outer packaging layer, The top and bottom of the core element of the conductive composite smart material are equipped with epoxy columns, and the sides of the conductive composite smart material are wrapped with an outer packaging layer.

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Abstract

The invention provides a compressive strain monitoring sensor for a road structure, as well as a manufacturing method and device. The manufacturing method comprises the following steps: an integrated forming mold is prepared, a conductive composite smart material is injected, and a conductive core element is obtained after forming and curing; the conductive core element is assembled to form a pouring mold, a high-temperature-resistant material is poured, and a high-temperature-resistant conductive core element is obtained after forming and curing; and the high-temperature-resistant conductive core element is assembled into a compressive strain sensor packaging mold, a packaging material is injected, and the compressive strain monitoring sensor for the road structure is obtained after molding and curing. According to the manufacturing device and method for the micro compressive strain and compressive stress monitoring sensor, when the sensor is manufactured, the sensor manufacturing process is simple, manufacturing materials are easy to obtain, and simple preparation for the sensor core element, a conductive circuit and the packaging material can be effectively realized; and the rigidity is matched with that of a pavement structure layer, and long service life and high survival rate are achieved.

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-compressive strain monitoring sensor with a strain- and stress-resistance response-sensitive conductive composite smart material as a core component. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. [0003] In recent years, conductive composite smart materials have provided new ideas for intelligent monitoring. The application of conductive composite smart materials in roads, bridges, aerospace, civil engineering, electronics, electrical, petrochemical and other engineering fields has broad prospects. However, conductive composite smart materials need to face various complex engineering environments in practical engineering applications. In the field of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C39/02B29C39/26G01B7/16G01L1/00B29K63/00
CPCB29C39/021B29C39/26G01B7/16G01L1/005B29K2063/00B29L2031/752
Inventor 梁明辛雪苏林萍姚占勇仇正梅蒋红光张吉哲姚凯
Owner SHANDONG UNIV
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