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Freeze-thaw environment moisture migration testing device

A technology for testing equipment and environment, which is applied in measuring devices, analyzing materials, and using nuclear magnetic resonance for analysis, etc. It can solve the problems of low test accuracy and achieve the effect of improving accuracy and testing accuracy.

Pending Publication Date: 2020-09-01
SUZHOU NIUMAG ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the embodiment of the present invention provides a freeze-thaw environment moisture migration test equipment to solve the problem of low test accuracy

Method used

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  • Freeze-thaw environment moisture migration testing device
  • Freeze-thaw environment moisture migration testing device
  • Freeze-thaw environment moisture migration testing device

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Embodiment Construction

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.

[0042]In the process of research on the existing equipment that uses NMR technology to test the change of freeze-thaw moisture in rock and soil, the inventor found that since the results of NMR testing are directly affected by temperature, the change of sample temperature and the inductance coil components Any change in temperature will directly affect the NM...

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Abstract

The invention relates to the technical field of freeze-thaw environment moisture migration testing, in particular to a freeze-thaw environment moisture migration testing device which comprises: a testing cavity, wherein a sample cavity, an inductance assembly directly arranged on the outer side wall of the sample cavity and temperature control assemblies arranged at the two ends of the sample cavity are arranged in the testing cavity, and wherein the temperature control assembly is used for carrying out double-end control on a sample in the sample cavity; the resonance unit that is arranged onthe outer side of the test cavity, wherein the resonance unit is connected with the inductance assembly. The inductance assembly is directly arranged on the outer side wall of the sample cavity, so that a nuclear magnetic resonance signal of a sample can be directly measured, and the test accuracy is improved; the resonance unit is arranged on the outer side of the testing cavity, so that the influence of the temperature change of the resonance unit on a nuclear magnetic resonance signal can be avoided, and the test result is more accurate; the temperature control assemblies are arranged at the two ends of the sample cavity, the freeze-thaw environment needed by testing can be truly simulated, and therefore the testing accuracy is improved.

Description

technical field [0001] The invention relates to the technical field of moisture migration testing in a freeze-thaw environment, in particular to a moisture migration testing device in a freeze-thaw environment. Background technique [0002] During infrastructure construction in cold regions (most of western China), freeze-thaw damage of various soils (such as rock and soil) will cause a series of engineering geological problems. In the following description, taking rock and soil as an example, it will be very important to simulate the freeze-thaw environment of rock and soil in the laboratory environment, and to characterize the moisture change of rock and soil in this freeze-thaw environment. Theoretical and engineering implications. [0003] Because the surface and inner layers of the rock and soil have different temperatures, it is not a simple operation of heating and cooling the rock and soil to simulate a low temperature environment, but usually it is necessary to con...

Claims

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Application Information

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IPC IPC(8): G01N24/08
CPCG01N24/081
Inventor 杨培强韩芊
Owner SUZHOU NIUMAG ELECTRONICS TECH
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