3D scanning apparatus and scanning method

Abstract

The invention discloses a 3D scanning apparatus for carrying out three-dimensional scanning, imaging, and network issuing on a measured object. The apparatus comprises a rotating platform for placing a measured object and driving the measured object to make constant-speed rotation at different speeds, a scanner for scanning and shooting the measured object and obtaining a scanned image, a range finder being arranged above the rotating platform and being used for measuring the height of the measured object, and a controller for controlling the rotating platform, the scanner, and the range finder. A certain distance is formed between the scanner and the rotating platform and the scanner can make reciprocating motion in a direction parallel to an axial direction of the rotating platform. Therefore, spiral scanning and imaging of the measured object can be realized; and the controller processes the scanned image to form a 3D model that is then outputted to a display terminal.

Description

technical field [0001] The invention relates to the technical field of scanning, in particular to a 3D scanning device and a scanning method. Background technique [0002] 3D scanning equipment involves comprehensive knowledge of mechanics, optics and electronics. It can convert the shape of the scanned object into a digital signal that can be recognized by the computer, and then through related calculation and processing, establish a three-dimensional model of the object and intuitively display it on the output device. It has broad application prospects in 3D printing, clothing design and medical and health industries. [0003] With the accelerated pace of people's life, all kinds of equipment should have the characteristics of convenient operation, simple structure and short execution time. In addition, modern people have diversified pursuits for product functions, and 3D scanning equipment should do the same. The domestic 3D scanning technology started relatively late,...

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Problems solved by technology

[0008] Another example is the utility model patent of "a three-dimensional body measurement device based on structured light technology" applied by Xi'an Feishi Robot Technology Co., Ltd. with the application number 201420430356.4, and the "Multiple Invention patents for the "fast human body 3D scanning system" require the use of multiple cameras, which is also costly, and when used, the orientation of each set of scanning equipment needs to be arranged, which is inconvenient to use

[0009] Another method is to move the camera in the vertical direction relative to the scanned object. For example, Chongqing Xuhe Technology Co., Ltd. applied for the invention patent of "3D scanner and scanning method using the same" with the application number 201310619351.6 , the object to be scanned is also placed on a turntable, the camera can slide up and down on the upright guide rail, the camera stops every time it is lowered to a certain height, and then the turntable rotates a circle, so that the camera can scan the full-circumference image of the current layer of the object, however This method is also a kind of intermittent photographic measurement, which is time-consuming; the application number is 201420401632.4 "a new type of human body three-dimensional scanner system" utility model patent and the application number applied by Quanzhou Meishimeike Electronic Technology Co., Ltd. The 201420401632.4 utility model patent for "a 3D automatic scanning device" is also moved by the camera. The structure of these two devices is relatively complicated, inconvenient to install and maintain, and requires manual repair or operation

[0010] The above problems are difficult to meet the use requirements in the actual production and use process, and these problems need to be solved urgently

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