Device for measuring position of metal bar in transparent material based on image recognition principle

A transparent material and image recognition technology, applied in the field of measurement, can solve the problems that the quality of measurement results cannot be guaranteed, and there is no inspection method for concrete steel bar detectors.

Inactive Publication Date: 2015-05-13
RES INST OF HIGHWAY MINIST OF TRANSPORT
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  • Description
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Problems solved by technology

[0002] At present, the transportation industry has not established an inspection method for concrete steel bar detectors, and the quality of the measurement results of such instruments cannot be guaranteed

Method used

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  • Device for measuring position of metal bar in transparent material based on image recognition principle
  • Device for measuring position of metal bar in transparent material based on image recognition principle
  • Device for measuring position of metal bar in transparent material based on image recognition principle

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Experimental program
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Embodiment Construction

[0022] Place the inspection component of the concrete steel bar detector based on the principle of electromagnetic induction on the connecting plate (7) of the metal rod position measurement device in the transparent material based on the principle of image recognition, fix it with the standard part (6) of the fixed inspection component, and open the stereoscopic Microscope (8), industrial camera (9), parallel light source (10), grating ruler reading table (14), computer and image processing software (15), find the test boundary according to the steps of selecting the objective lens and adjusting the magnification of the eyepiece, and use The test boundary is clear, then move the slide rail (11) so that the imaged measurement boundary in the image processing software coincides with the cursor, then start counting with the grating ruler reading table (14), continue to move the slide rail (11) to another test boundary and stop immediately Move the slide rail (11) and read the dat...

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Abstract

The invention relates to a device for measuring the position of a metal bar in a transparent material based on the image recognition principle. The device is able to inspect an inspection component of a concrete reinforcement detector based on the electromagnetic sensing principle. The device comprises an operation system and an auxiliary system during manufacturing. The operation system is manufactured by the steps of a) operation platform bracket, namely, a VIS vibration isolation type optical platform bracket to keep the top horizontal; b) optical flat plate prepared from aluminum alloy material; c) grating ruler, namely, a noncontact grating measuring system of which the precision is up to 1 micron; d) slide rail, namely, general electric control translation platform; e) connecting plate for connecting a load plate of the general electric control translation platform and a reading head of the grating ruler a well as being used as a new loading platform; f) fixing inspection component standard part, namely, designing M6 threaded holes in two ends of the connecting plate according to the size of the testing part, and fixing the part on the new loading platform through a cap; h) parallel light source, namely, providing an LED light source. The auxiliary system mainly comprises a stereoscopic microscope, an industrial camera, image processing software and a computer.

Description

technical field [0001] The invention belongs to the field of measurement, in particular to a device for measuring the position of a metal rod in a transparent material based on the principle of image recognition. Background technique [0002] At present, the transportation industry has not established an inspection method for concrete steel bar detectors, and the quality of the measurement results of such instruments cannot be guaranteed. The measuring device is an essential part of the test method. According to the industrial metrology management layout, local professional metrology stations use concrete steel bar detectors to inspect components to test the measurement results of concrete steel bar detectors. A metal rod position measuring device in a transparent material based on the principle of image recognition is used to test a concrete steel bar detector test component based on the principle of electromagnetic induction. Contents of the invention [0003] In order...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
Inventor 刘璐刘静任铮钺耿雷窦光武黄河苗娜
Owner RES INST OF HIGHWAY MINIST OF TRANSPORT
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