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Method for detecting overall dimensions of panel-type furniture based linear scanning laser

A technology for panel furniture and outline dimensions, applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as the inability to measure the size, shape and quality of objects at the same time, the inability to quickly and reliably detect high-resolution objects, and difficulties in implementation

Active Publication Date: 2018-10-09
FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST +1
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AI Technical Summary

Problems solved by technology

[0003] The installation and adjustment of the camera requires high precision, which is difficult to implement;
[0004] It is easily affected by ambient light and cannot detect high-resolution objects quickly and reliably;
[0005] Unable to measure the size, shape and mass of an object at the same time

Method used

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  • Method for detecting overall dimensions of panel-type furniture based linear scanning laser

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Embodiment Construction

[0033] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0034] A line-scanning laser-based detection system for the outline size of panel furniture in this embodiment, such as figure 1 As shown, it specifically includes the following steps:

[0035] Step A: Calibrate the detection system parameters, the specific steps are as follows:

[0036] Step A1: Calibrate the reference plane;

[0037] Step A2: Self-calibration of the scanner to obtain parameters such as resolution;

[0038] Step B: Scan the plate to be tested to obtain a point cloud. The specific steps are as follows:

[0039] Step B1: scanning and collecting the spatial three-dimensional data of the surface of the plate to be tested;

[0040] Step B2: The data obtained in B1 is filtered by median filtering to obtain the target point cloud.

[0041] Step C: making a plane profile;

[0042] Th...

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Abstract

The invention discloses a method for detecting the overall dimensions of panel-type furniture based linear scanning laser, and the method specifically comprises the following steps: calibrating parameters of a detection system; carrying out the scanning along a track to obtain a point cloud; making a contour; and measuring the size of a plate material. The method employs laser, achieves the quickand reliable detection of a high-resolution object in a 3D mode, and obtains a relatively dense point cloud. Meanwhile, the method achieves the measurement of the size, shape and quality of an object,and is directly disposed on a production line. The requirement for the installation precision is relatively low, the detection speed is high and the continuous work time is long.

Description

technical field [0001] The invention relates to the technical field of intelligent detection, in particular to a method for detecting the outline size of panel furniture based on a line-scanning laser. Background technique [0002] The current comprehensive detection of the size and shape of the plate is mainly to obtain the image of the object through the line array or area array camera, and then obtain the position, size and shape information of the object through the analysis of the image. The shortcomings of this method mainly include the following points: [0003] The installation and adjustment of the camera requires high precision, which is difficult to implement; [0004] It is easily affected by ambient light and cannot detect high-resolution objects quickly and reliably; [0005] It is impossible to measure the size, shape and mass of an object at the same time. Contents of the invention [0006] The purpose of the present invention is to propose a method for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 黄耀聪李力王华龙张鹏中张璐张美杰
Owner FOSHAN NANHAI GUANGDONG TECH UNIV CNC EQUIP COOP INNOVATION INST
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