Automatic three dimensional morphology measurement device and method for high temperature object

A technology of three-dimensional shape and measuring device, which is applied in the field of precision measurement, can solve the problem of low measurement accuracy and achieve the effect of short exposure time

Active Publication Date: 2017-06-30
WUHAN POWER3D TECH
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Problems solved by technology

[0004] However, due to the planning and synchronization of the measurement path, the measurement accuracy of the above-mentioned surface structured light scanning method for measuring high-temperature objects is not high, and it is impossible to accurately measure the three-dimensional shape of high-temperature objects.

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  • Automatic three dimensional morphology measurement device and method for high temperature object
  • Automatic three dimensional morphology measurement device and method for high temperature object
  • Automatic three dimensional morphology measurement device and method for high temperature object

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0034] Such as figure 1 , the automatic measurement system of one embodiment of the present invention comprises computer and frame acquisition card 101, industrial robot 102, surface structured light measuring device 103, clock controller 106, wherein this surface structured light measuring device 103 comprises projector 104 and two CCDs Camera 105, projector can preferably be DLP projector, an...

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Abstract

The invention discloses a three dimensional morphology measurement device comprising an industrial robot, a clock synchronization controller, a projector, two CCD cameras, an image collecting card and a computer, wherein the two CCD cameras are respectively arranged on two sides of the projector in a symmetric manner, an included angle formed by a photocenter axis of each CCD camera and a photocenter axis of the projector ranges between 20 degrees and 60 degrees, the two CCD cameras and the projector form a measurement device which is arranged on a tail end executor of the industrial robot, a tool center point of the industrial robot is set as a center for an end face of a lens of the projector, a tool coordinate system is parallel to the photocenter axis of the projector, the clock synchronization controller is controlled by the industrial robot and is connected with the projector and the two CCD cameras, the projector is connected with the computer, and the two CCD cameras are connected with the computer via the image collecting card. The invention also discloses a corresponding measurement method. According to the measurement device and method disclosed in the invention, optimized layout of the measurement device and optimized processing of a measurement route are realized, and three dimensional morphology of a high temperature object can be measured accurately.

Description

technical field [0001] The invention belongs to the field of precision measurement, and in particular relates to a three-dimensional shape measuring device and a control method thereof, which are suitable for automatic shape measurement of high-temperature objects and obtaining three-dimensional data on the surface of the high-temperature objects. Background technique [0002] Industrial parts or part blanks may be heated to a high temperature of 900-1000°C during processing, showing a high-temperature red-hot state. Industrial parts or part blanks in a red-hot state have strong black body radiation to the outside, which contains a large amount of heat Radiation and, due to the extremely high temperature, heat conduction through the air is also very significant. In the traditional industrial production process, limited by the impact of high temperature on measuring tools, industrial parts or part blanks in a high-temperature red-hot state cannot be subjected to contact dimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/25
CPCG01B11/2545
Inventor 李中伟史玉升韩利亚钟凯杨瑞文韩沛文叶浩郑伟涛
Owner WUHAN POWER3D TECH
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