Three-dimensional laser scanning device and method

A technology of three-dimensional laser and scanning equipment, applied in the field of inspection, can solve the problems of difficulty in popularization and high cost, and achieve the effect of reducing cost and high cost performance.

Inactive Publication Date: 2016-08-10
CHINA SHENHUA ENERGY CO LTD +1
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Problems solved by technology

However, the cost of 3D laser scanners in the prior art is very high. For example, the price of an outdoor 3D las

Method used

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  • Three-dimensional laser scanning device and method

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[0018] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention, and not to limit the present invention.

[0019] The following will illustrate the idea of ​​the present invention with examples, but it should be understood that these examples are non-limiting examples, and the protection scope of the present invention is not limited to this:

[0020] In order to illustrate the idea of ​​the present invention more clearly, a three-dimensional laser scanning device is taken as an example for detailed description.

[0021] figure 1 It is a structural diagram of a three-dimensional laser scanning device according to an embodiment of the present invention, such as figure 1 As shown, the device may include: a two-dimensional laser scanner 100 for performing two-dimensional scanning of an ...

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Abstract

The present invention belongs to the detection technical field and discloses a three-dimensional laser scanning device and method. The device comprises a two-dimensional laser scanner used for performing two-dimensional scanning on an object to be measured and providing scanning contour point cloud data of the object to be measured, a rotary table used for performing rotation operation and providing rotation angle data, a fixing structure used for fixing the two-dimensional laser scanner to the rotary table, and a controller which is used for controlling the operation of the two-dimensional laser scanner and the rotary table and receiving the scanning contour point cloud data and the rotation angle data, and is also used for obtaining three-dimensional point cloud coordinate data of the object to be measured according to the scanning contour point cloud data and the rotation angle data. With the three-dimensional laser scanning device and method of the invention adopted, longitudinal line scanning and left-right plane scanning can be carried out, so that a three-dimensional plane scanning function can be realized. Since the two-dimensional laser scanner is used, cost can be greatly reduced, and cost performance is high.

Description

technical field [0001] The present invention relates to the technical field of detection, in particular to a three-dimensional laser scanning device and method. Background technique [0002] Laser ranging uses a laser as a light source for ranging, and is divided into continuous lasers and pulsed lasers according to the way the laser works. Gas lasers such as helium-neon, argon ions, and krypton-cadmium work in a continuous output state and are used for phase laser ranging; double heterogeneous gallium arsenide semiconductor lasers are used for infrared ranging; solid-state lasers such as ruby ​​and neodymium glass are used for Pulsed laser ranging. Compared with the photoelectric rangefinder, the laser rangefinder can not only work day and night, but also improve the distance measurement accuracy and significantly reduce the weight and power consumption, making it a reality to measure the distance to distant targets such as artificial earth satellites and the moon. [00...

Claims

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Application Information

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IPC IPC(8): G01B11/24
CPCG01B11/24
Inventor 李长安霍丽燕于洋李靖宇师伟马磊姚同建崔永祥周庆博王宁冀伟
Owner CHINA SHENHUA ENERGY CO LTD
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