CN101082756A - Face structure light scanning apparatus - Google Patents
Face structure light scanning apparatus Download PDFInfo
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- CN101082756A CN101082756A CN 200710052547 CN200710052547A CN101082756A CN 101082756 A CN101082756 A CN 101082756A CN 200710052547 CN200710052547 CN 200710052547 CN 200710052547 A CN200710052547 A CN 200710052547A CN 101082756 A CN101082756 A CN 101082756A
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Abstract
The invention discloses a light scanning device of face structure, which comprises the following parts: left CCD cam, right CCD cam and projector, wherein the projector lies in the frame; the symmetrical left and right through-grooves are set on two ends of assembling rack with through-hole in the middle; the bottom of left and right through-groove has two-step hole; the left CCD cam connects fixing block strictly, which is assembled in the two-step hole of left through-groove through first and second screws; the right CCD cam and right fixing block connect strictly, which are assembled in the two-step hole of right through-groove of assembling rack; the step hole mates the screw. The invention has stable and compact structure and convenient assemblage and unloading with adjustable measuring scale through modularized assembling rack, which can satisfies the need of backward engineering and precision detection.
Description
Technical field
The present invention relates to a kind of surveying instrument of reverse-engineering, be specifically related to a kind of face structure light scanning apparatus that is used for reverse-engineering.
Background technology
Reverse-engineering plays an important role in shortening product design cycle, digestion advanced technology both domestic and external and product.The quality of reverse-engineering measuring equipment directly has influence on accurate, the integrated degree that tested entity is described, and then has influence on the CAD curved surface of reconstruct, the quality of solid model, is the basis of reverse-engineering.
At present, mainly contain following four kinds at the most widely used measuring equipment in reverse engineer field: contact coordinate measuring set, 3 D laser scanning measurement mechanism, flexible three-dimensional coordinates measurement device, raster scanning measurement mechanism.The three-dimensional coordinates measurement measurement device technology of contact and 3 D laser scanning measuring technique and grating measuring instrument be comparative maturity, and they to a certain extent can the march planar survey, but also has the following disadvantages respectively:
The three coordinate measuring machine precision height of contact, but a point can only be measured at every turn, measuring speed is slow, is difficult to carry out the curved surface shape-designing, can't measure soft object, and it is more loaded down with trivial details to operate.
The 3 D laser scanning measuring instrument is bulky, needs bigger platform, and precision, speed are restricted, and measurement range also is limited by the platform size of measuring instrument.
The grating style three-dimension measuring instrument adopts grating as light source, and measuring speed is fast, but measuring method is subjected to the restriction of color of object surface, not energy measurement black object and reflective object.
Summary of the invention
The object of the present invention is to provide a kind of face structure light scanning apparatus, this scanister has that measuring speed is fast, precision is high, sweep limit is wide and portable advantage.
A kind of face structure light scanning apparatus provided by the invention is characterized in that: this device comprises left CCD camera, right CCD camera and projector; Projector is positioned at framework; The erecting frame two ends have the left and right groove of symmetry, the middle part is provided with through hole, above-mentioned left and right groove bottom all has two shoulder holes, and left CCD camera is fixedlyed connected with left fixed block, and is installed in by first, second screw in two shoulder holes of left groove of erecting frame; Right CCD camera and right fixed block fixedly link, and are installed in by the 3rd, the 4th screw in two shoulder holes of right groove of erecting frame; Described shoulder hole matches with first, second screw and the 3rd, the 4th screw respectively.
The principal feature of face structure light scanning apparatus of the present invention is: (1) utilizes modular erecting frame, the Stability Analysis of Structures compactness, and convenient the installation and unloading, and can adjust its measurement range.(2) measuring speed is fast, adopts advanced structured light face scanning technique, and the single acquisition time can only need 1 second.(3) image data is many, and the single acquisition data can reach more than 1,000,000.(4) survey area is big, and the single acquisition area can reach 400mm * 320mm.(5) measuring accuracy height, the single measurement precision can reach 0.05mm～0.02mm, can satisfy the needs of reverse-engineering and accuracy detection.(6) good portability can be convenient for carrying measure field, finishes measurement whenever and wherever possible.
Description of drawings
Fig. 1 is a kind of structural representation of face structure light scanning apparatus of the present invention, and wherein, a is a front view, and b is a vertical view;
Fig. 2 is the detailed maps of the right groove part of erecting frame, and wherein, a is a front view, and b is a vertical view;
Fig. 3 is the use synoptic diagram of scanister of the present invention.
Embodiment
The present invention is further detailed explanation with example with reference to the accompanying drawings below.
As shown in Figure 1, face structure light scanning apparatus of the present invention comprises left CCD camera 2, right CCD camera 3 and projector 8.
Erecting frame 4 two ends have groove, and the right and left groove is a symmetrical structure, and the middle part is provided with through hole 9.
Left side CCD camera 2 is fixedlyed connected with left fixed block 5, and is installed in the left groove of erecting frame 4 by first, second screw 10,11.Right CCD camera 3 and right fixed block 6 fixedly link, and are installed in the right groove of erecting frame 4 by the 3rd, the 4th screw 12,13.
As shown in Figure 2, the left and right grooves of erecting frame 4 bottom all has two shoulder holes with screw fit, and in right groove, the 3rd screw 12 cooperates with shoulder hole 15, and the 4th screw 13 cooperates with shoulder hole 16.First screw 10 and the 4th screw 13 can be along self axle center rotations, and second screw 11 and the 3rd screw 12 can be center of circle rotation with first screw 10, the 4th screw 13 respectively, and the anglec of rotation is by the radian decision of shoulder hole 16.The radian of shoulder hole 16 is determined according to the size of object to be measured.Can guarantee that so left fixed block 5 and right fixed block 6 all can rotate a certain angle on the plane that is parallel to erecting frame 4, thereby guarantee the adjustable angle of left CCD camera 2 and right CCD camera 3.Erecting frame 4 is connected with framework 1, and through hole 9 perpendicular projection of the light source of the projector 8 in the framework 1 by erecting frame 4 go out.
As shown in Figure 3, be the use synoptic diagram of scanister of the present invention, form by portable tripod 14 and structured light scanner head.Scanner head links to each other with tripod.By translation and the rotation of tripod on all directions, the drive scanner head moves and rotates.Scanner head can be done 360 ° in the horizontal direction and rotate freely, and also certain anglec of rotation can be arranged in vertical direction.
When using portable area-structure light measurement mechanism Measuring Object, at first guarantee that by mobile tripod 14 measuring head moves to certain pose in the space, under control of computer software, the mesopore 9 that the projection light source that projector 8 projects sees through erecting frame 4 is projected to the testee surface, two CCD cameras 2,3 are taken one group of photo synchronously about using then, and the structural parameters of last photo according to shooting, structured light scanning survey head and the inside and outside parameter of two CCD cameras calculate the three dimensional point cloud on testee surface.If testee is bigger, measuring head can be moved to the three dimensional point cloud at another other positions of pose measurement testee in the tripod measurement space, and measurement data is transformed under the same base coordinate system for several times; So repeatedly, just can record the three dimensional point cloud of whole testee under same base coordinate system.
Below schematically invention and embodiment thereof are described, this description does not have limitation, and shown in the accompanying drawing also is one of embodiments of the present invention.So; if those of ordinary skill in the art is enlightened by it; under the situation that does not break away from the invention aim; adopt the same base part of other form or each component layouts mode of other form; without creationary technical scheme similar and the embodiment of designing, all should belong to protection scope of the present invention to this technical scheme.
Claims (1)
1, a kind of face structure light scanning apparatus is characterized in that: this device comprises left CCD camera (2), right CCD camera (3) and projector (8);
Projector (14) is positioned at framework (1); Erecting frame (4) two ends have the left and right groove of symmetry, the middle part is provided with through hole (9), above-mentioned left and right groove bottom all has two shoulder holes, left side CCD camera (2) is fixedlyed connected with left fixed block (5), and is installed in by first, second screw (10,11) in two shoulder holes of left groove of erecting frame (4); Right CCD camera (3) and right fixed block (6) fixedly link, and are installed in by the 3rd, the 4th screw (12,13) in two shoulder holes of right groove of erecting frame (4); Described shoulder hole matches with first, second screw (10,11) and the 3rd, the 4th screw (12,13) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710052547 CN101082756A (en) | 2007-06-25 | 2007-06-25 | Face structure light scanning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710052547 CN101082756A (en) | 2007-06-25 | 2007-06-25 | Face structure light scanning apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101082756A true CN101082756A (en) | 2007-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710052547 Pending CN101082756A (en) | 2007-06-25 | 2007-06-25 | Face structure light scanning apparatus |
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| CN (1) | CN101082756A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453849A (en) * | 2013-07-18 | 2013-12-18 | 黑龙江科技大学 | Method and device for three-dimensionally measuring complex curved surface parts through multi-optical-sensor cooperation |
| CN104061956A (en) * | 2014-06-27 | 2014-09-24 | 苏州科德溯源仪器有限公司 | Double-lens image measuring instrument |
| CN104655015A (en) * | 2015-02-11 | 2015-05-27 | 苏州珂锐铁电气科技有限公司 | Apparatus for detecting and measuring tubular and wire materials |
| CN105066909A (en) * | 2015-09-01 | 2015-11-18 | 华中科技大学 | Hand-held multi-laser-stripe quick three-dimensional measuring method |
| WO2017020648A1 (en) * | 2015-08-05 | 2017-02-09 | 杭州思看科技有限公司 | Handheld scanning device framework structure |
| CN106412561A (en) * | 2016-11-11 | 2017-02-15 | 四川省科拓梦无人机科技有限公司 | Portable photographing structured light 3D scanner |
-
2007
- 2007-06-25 CN CN 200710052547 patent/CN101082756A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453849A (en) * | 2013-07-18 | 2013-12-18 | 黑龙江科技大学 | Method and device for three-dimensionally measuring complex curved surface parts through multi-optical-sensor cooperation |
| CN103453849B (en) * | 2013-07-18 | 2016-01-20 | 黑龙江科技大学 | The complex curved surface parts method for three-dimensional measurement that many optical sensors are collaborative and system |
| CN104061956A (en) * | 2014-06-27 | 2014-09-24 | 苏州科德溯源仪器有限公司 | Double-lens image measuring instrument |
| CN104655015A (en) * | 2015-02-11 | 2015-05-27 | 苏州珂锐铁电气科技有限公司 | Apparatus for detecting and measuring tubular and wire materials |
| WO2017020648A1 (en) * | 2015-08-05 | 2017-02-09 | 杭州思看科技有限公司 | Handheld scanning device framework structure |
| CN105066909A (en) * | 2015-09-01 | 2015-11-18 | 华中科技大学 | Hand-held multi-laser-stripe quick three-dimensional measuring method |
| CN105066909B (en) * | 2015-09-01 | 2017-09-12 | 华中科技大学 | A kind of many laser stripe quick three-dimensional measuring methods of hand-held |
| CN106412561A (en) * | 2016-11-11 | 2017-02-15 | 四川省科拓梦无人机科技有限公司 | Portable photographing structured light 3D scanner |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20071205 |