Title:
THREE-DIMENSIONAL MEASUREMENT SENSOR BASED ON LINE STRUCTURED LIGHT
Document Type and Number:
WIPO Patent Application WO/2017/161828
Kind Code:
A1
Abstract:
A three-dimensional measurement sensor based on line structured light, comprising a sensing head and a controller. The sensing head is used for collecting section data and attitude information of its own, and matching the section data with the self attitude information. The sensing head comprises a three-dimensional camera, an attitude sensor, a laser and a control sub-board, wherein the three-dimensional camera is installed at a certain angle relative to the laser, and acquires elevation and grey information about an object surface corresponding to laser rays using a triangulation principle. The attitude sensor, the three-dimensional camera and the laser are installed on the same rigid plane, and the attitude sensor reflects measurement attitudes of the three-dimensional camera and the laser in real time. The controller is used for measuring and controlling the sensing head, performing data processing transmission and supporting external control. The sensor realizes synchronous measurement of a measured object with the same attitude and at the same time, and supports high speed and high precision measurement under a high dynamic environment, with the measurement precision reaching a micron grade and the frequency being above 10 KHz.
Inventors:
LI QINGQUAN (CN)
ZHANG DEJIN (CN)
CAO MIN (CN)
WANG XINLIN (CN)
LIN HONG (CN)
ZHANG DEJIN (CN)
CAO MIN (CN)
WANG XINLIN (CN)
LIN HONG (CN)
Application Number:
PCT/CN2016/096911
Publication Date:
September 28, 2017
Filing Date:
August 26, 2016
Export Citation:
Assignee:
WUHAN WUDA ZOYON SCIENCE AND TECH CO LTD (CN)
International Classes:
G01B11/245; G06T7/00
Foreign References:
| CN102878928A | 2013-01-16 | |||
| CN101694084A | 2010-04-14 | |||
| CN1877253A | 2006-12-13 | |||
| JPH09178437A | 1997-07-11 | |||
| CN104005325A | 2014-08-27 | |||
| JPH02110789A | 1990-04-23 |
Other References:
ZHANG DEJIN ET AL.: "A New Method for laser Rut Depth measurement", ACTA OPTICA SINICA, vol. 33, no. 1, 31 January 2013 (2013-01-31)
Attorney, Agent or Firm:
BEIJING BRIGHT & RIGHT LAW FIRM (CN)
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