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Intelligent fiber grating goniometer based on 3D printing technology

A fiber grating and 3D printing technology, which is applied in the field of 3D printing and optical fiber sensing, can solve the problems of cumbersome production process, low sensitivity, and susceptibility to electromagnetic interference of the goniometer, and achieve strong anti-electromagnetic interference ability and high sensitivity , low cost effect

Inactive Publication Date: 2018-01-26
DONGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The present invention is dedicated to the research and development of a new type of intelligent goniometer that combines Fiber Bragg grating (FBG) sensor technology with 3D printing production technology to overcome the cumbersome production process, low sensitivity and easy to be affected by traditional goniometers. Electromagnetic Interference Drawbacks

Method used

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  • Intelligent fiber grating goniometer based on 3D printing technology
  • Intelligent fiber grating goniometer based on 3D printing technology
  • Intelligent fiber grating goniometer based on 3D printing technology

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Embodiment Construction

[0037] Below in conjunction with specific embodiment, further illustrate the present invention.

[0038] figure 1 The schematic diagram of the fiber Bragg grating intelligent goniometer based on 3D printing technology provided for this embodiment, the fiber Bragg grating smart goniometer based on 3D printing technology consists of a sensor backplane 1, a bearing 2, an FBG sensor 3, and a sensor fixing column 4 , pendulum rod 5, optical cable 6, optical coupler 7, computer acquisition instrument 8, broadband light source 9 and other components.

[0039]A freely rolling bearing 2 and two sensor fixing columns 4 are arranged on the sensor back plate 1, and the two sensor fixing columns 4 are arranged symmetrically on both sides below the bearing 2, and the three are arranged in an isosceles triangle. The upper end of the fork 5 is connected with the bearing 2. Each of the two sensor fixing columns 4 is provided with an inner hole with a diameter of 1 mm for passing the fixing w...

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Abstract

The invention provides an intelligent fiber grating goniometer based on the 3D printing technology. The intelligent fiber grating goniometer comprises a sensor back plate, wherein the sensor back plate is provided with a bearing capable of realizing free rolling and two sensor fixing columns, the two sensor fixing columns are symmetrically arranged at two sides of a lower portion of the bearing, an upper end of a swinging rod is connected with the bearing, after two FBG sensors with different wavelengths are pre-pulled, one end is fixed at the top portion of the bearing, the other end is fixedat the two sensor fixing columns, the induction portion of the FBG sensor is arranged between the sensor fixing columns and the bearing, and a cable of the FBG sensor is connected with a computer acquisition device and a broadband light source through an optical coupler. The intelligent fiber grating goniometer is advantaged in that the Bragg fiber grating FBG sensor technology and the 3D printing technology are integrated, through 3D printing making, high efficiency, low cost, no mechanical process and one-time molding are realized, the intelligent fiber grating goniometer is rapid and convenient, the FBG sensor is further utilized, and high sensitivity, excellent measurement performance and strong anti-electromagnetic interference capability are realized.

Description

technical field [0001] The invention relates to a new type of intelligent goniometer based on Fiber Bragg grating (Fiber Bragg grating, FBG) sensor technology and 3D printing manufacturing technology, which is mainly used in the measurement of various structural inclination angles, and belongs to the technical field of 3D printing and optical fiber sensing . Background technique [0002] The goniometer is an instrument used to measure the inclination of various structures (such as building structures, human body structures, etc.) under different conditions. Existing goniometers are generally processed by ordinary casting techniques, and the manufacturing process is cumbersome; moreover, existing goniometers use ordinary sensors, which have defects such as low sensitivity and susceptible to electromagnetic interference in actual use. [0003] 3D printing is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/26B33Y80/00
Inventor 张一帆洪成雨李贵超
Owner DONGHUA UNIV
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