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Displacement sensing system and method based on 3D printing and flex sensing technology

A displacement sensing system and 3D printing technology, applied in the field of displacement sensing system, can solve the problems of high cost, destroying devices, too many FBGs, etc., and achieve the effect of light material, increased reliability and high precision

Active Publication Date: 2020-04-17
DONGHUA UNIV
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Problems solved by technology

[0003] For measuring displacement, in addition to commercially available sensors, a large number of FBG sensors have been developed. CN107131836 A uses FBG to calculate displacement by measuring the soil pressure. The method has high precision, but too many FBGs are used, and the cost may be too high. In addition, if a large displacement deformation is encountered, the device may be destroyed

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  • Displacement sensing system and method based on 3D printing and flex sensing technology
  • Displacement sensing system and method based on 3D printing and flex sensing technology
  • Displacement sensing system and method based on 3D printing and flex sensing technology

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Embodiment Construction

[0025] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0026] The embodiment of the present invention relates to a displacement sensing system based on 3D printing and Flex bending sensing technology, as shown in Figure 1, including a thin plate 1, a first rod 2, a second rod 3, a box 4 and a packaging rod 5. One end of the first rod 2 is connected to the center of the thin plate 1, and the other end is provided with a hinge 6, and one end of the first rod 2 provided with the hinge...

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Abstract

The invention relates to a displacement sensing system based on a 3D printing and Flex sensing technology. The displacement sensing system comprises a thin plate, a first rod piece, a second rod piece, a box and a packaging rod. One end of the first rod piece is connected with the central position of the thin plate, the other end of the first rod piece is connected with a hinge, one end of the first rod piece provided with the hinge is located in the box, the second rod piece passes through the hinge, and the two ends of the second rod piece are mounted on the box and located in a groove whichis in the same plane with the hinge, the hinge is also connected to one end of a packaging rod, the other end of the packaging rod is fixed to the inner wall of the box through a hinge, and a Flex bending sensor is packaged in the packaging rod. The invention also relates to a measurement method for the displacement sensing system. The displacement sensing system can quickly measure displacementof soil in geotechnical engineering.

Description

technical field [0001] The invention relates to a displacement sensing system, in particular to a displacement sensing system and method based on 3D printing and Flex bending sensing technology. Background technique [0002] For geotechnical engineering, it is very important to measure the displacement of the soil. Sometimes the foundation needs to measure the settlement of the soil, and check whether the construction requirements are met by comparing with the specification; for the side slope, the displacement measurement can be used for disaster warning and other work . Therefore, it is necessary to develop a sensor that is waterproof, durable, easy to introduce and has high precision. [0003] For measuring displacement, in addition to commercially available sensors, a large number of FBG sensors have been developed. CN107131836 A uses FBG to calculate displacement by measuring the soil pressure. The method has high precision, but too many FBGs are used, and the cost may...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/02B29C64/00B33Y80/00G08C17/02
CPCB33Y80/00G01B7/02G08C17/02
Inventor 张一帆袁昱洪成雨
Owner DONGHUA UNIV
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