CN107289874A - Three-dimensional acquisition device - Google Patents
Three-dimensional acquisition device Download PDFInfo
- Publication number
- CN107289874A CN107289874A CN201610198360.6A CN201610198360A CN107289874A CN 107289874 A CN107289874 A CN 107289874A CN 201610198360 A CN201610198360 A CN 201610198360A CN 107289874 A CN107289874 A CN 107289874A
- Authority
- CN
- China
- Prior art keywords
- flat board
- microscope group
- plane microscope
- support
- support flat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a kind of three-dimensional acquisition device, he is mainly comprising support flat board, image collecting device, rotating device and plane microscope group, each level crossing reflecting surface of the plane microscope group is along the edge of the support flat board, around the support flat board, the angle of each level crossing of the plane microscope group and the support flat board is not mutually equal, reflecting surface of the acquisition port of described image harvester against the plane microscope group, the rotating device driving support flat board rotation, or driving described image harvester and plane microscope group rotation.The three-dimensional acquisition device that the present invention is provided can inexpensive and solid various visual angles collections thing to be collected three-dimensional data.
Description
Technical field
The present invention relates to three-dimensional reconstruction field, more particularly to a kind of three-dimensional acquisition device.
Background technology
Material object in spatial digitizer scanning reality, then mathematical model can be obtained by the processing to scan data, should
Mathematical model can be widely used in the fields such as 3D printing, 3D displayings, clothes trying and industrial design.
Widely there is handheld three-dimensional scanner in the market, he needs man-hour manually hand-held to be swept around object
Retouch, manual operation is complex.Notification number discloses a kind of rotary three dimension scan for the U of CN 204007558 Chinese patent
Instrument, binocular camera alignment object, while 360 ° of object rotates to complete scanning, each visual angle of this scanner is positioned at same
Solid space various visual angles are not scanned by plane；Notification number discloses a kind of square for the U of CN 204749287 Chinese patent
Configuration three-dimensional scanner, the device object matrix arrangement using multiple camera stereo-circulations, although can be from three-dimensional sky
Between the scanning of multiple visual angles arrive three-dimensional data, but cost is to need to assemble multiple cameras, causes the system cost high.
The content of the invention
It is an object of the invention to provide a kind of three-dimensional acquisition device, to realize that inexpensive three-dimensional various visual angles are scanned.
To achieve the above object, the present invention uses following scheme：A kind of three-dimensional acquisition device, including support flat board, rotation
Device and image collecting device, described image harvester include camera lens and imaging sensor, in addition to plane microscope group, described flat
Each level crossing reflecting surface of face microscope group is along the edge of the support flat board, around the support flat board；
The angle of each level crossing of the plane microscope group and the support flat board is not mutually equal；
Reflecting surface of the acquisition port of described image harvester against the plane microscope group；
The rotation axis of the rotating device is by and perpendicular to the support flat board；
The rotating device is directly or indirectly connected with the support flat board, for driving the support flat board to rotate, or
The rotating device is directly or indirectly connected with described image harvester and the plane microscope group, for driving described image
Harvester and plane microscope group rotation.
Further, void of the acquisition port of described image harvester against the support flat board in the plane microscope group
Picture.
Further, the support flat board uses each level crossing in transparent material, and the plane microscope group
Some is located at the upside of the support flat board, and another part is located at the downside of the support flat board.
Further, the angle of the supporting plane and i-th of level crossing where the support flat board is αi, the folder
Angle αiPositioned at the support flat board upside and the plane microscope group reflecting surface side, and there is 90 °≤αi180 ° of ＜, wherein 1≤
I≤K, K are the level crossing number of the plane microscope group.
Further, i-th of level crossing reflecting surface meets at line segment L with the supporting plane where the support flat boardi,
Line segment LiWith line segment Li+1Angle be θi, θiMeet θi>=120 °, wherein 1≤i≤K-1, K are the flat of the plane microscope group
Face mirror number.
Further, described image harvester is camera or video camera or the mobile phone with camera function.
Further, in addition to Г shape supports, the vertical portion of the Г shapes support is located at the back side of the plane microscope group,
One end of the Г shapes support is provided with fixture, and described image harvester is clamped on described fixture, the Г shapes support
Can be along vertical and horizontal direction collapsing length.
Further, the rotating device includes firm banking and rotating member, the rotating member and the fixed bottom
Seat rotates connection；The rotating member with it is described support flat board be directly or indirectly connected, or the rotating member with it is described
Image collecting device and the plane microscope group are directly or indirectly connected.
Further, in addition to control device, the control device includes embedded control unit, the control device point
Do not electrically connected with the rotating device and described image harvester；The rotating device includes motor, and the motor is used to drive
The rotating device is moved to be rotated.
Further, in addition to projection arrangement, projection device mouthful alignment thing to be collected or it is aligned to be collected
The virtual image of the thing in the plane microscope group；The projection arrangement is electrically connected with the control device, for controlling the projection
The projection pattern of device and the opportunity of projection.
The present invention is allowed to be compared with the prior art, with following remarkable advantage due to using above technical scheme：
The advantage of low cost not only can be also equipped with from three-dimensional various visual angles scanning to thing to be collected.
Brief description of the drawings
Fig. 1 is the structural representation for the three-dimensional acquisition device that the embodiment of the present invention 1 is provided.
Fig. 2 is the rotary device structure schematic diagram that the embodiment of the present invention 1 is provided.
Fig. 3 is the Г shape supporting structure schematic diagrames that the embodiment of the present invention 1 is provided.
Fig. 4 is the level crossing angle schematic diagram that the embodiment of the present invention 1 is provided.
Fig. 5 is the structural representation for the three-dimensional acquisition device that the embodiment of the present invention 2 is provided.
Fig. 6 is the structural representation for the three-dimensional acquisition device that the embodiment of the present invention 3 is provided.
Accompanying drawing 1 is to the mark in accompanying drawing 6：Plane microscope group 1, camera 2, support flat board 3, supporting plane 3.1, rotating device
4th, base 4.1, base newel 4.1.1, stepper motor 4.2, bearing 4.3, gear 4.4, revolving part 4.5, rotation axis 4.6,
Г shapes support 5, first level slide bar 5.1, first level slide bar fixing end 5.1.1, vertical pole 5.2, the second horizontal sliding bar
5.3rd, end pole 5.4, fixture 5.5, level crossing pole 5.6, fastening bolt 5.7, fastening bolt 5.8, fastening bolt 5.9, control
Device 6 processed, thing to be collected 7, projecting apparatus 8.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, with reference in the embodiment of the present invention
Accompanying drawing, clear complete description is carried out to the technical scheme in the present invention, it is clear that described embodiment is the present invention one
Divide embodiment, rather than whole embodiments, based on embodiments of the invention, those of ordinary skill in the art are not making wound
The every other embodiment that the property made is obtained on the premise of working, belongs to protection scope of the present invention.In addition, disclosed below
As long as each embodiment in involved technical characteristic do not constitute conflict to each other and can just be mutually combined.
Embodiment 1
As shown in figure 1, three level crossing reflectings surface of plane microscope group 1 are along the edge of circular support flat board 3, it is flat around support
Plate 3.Camera 2 is clamped on the fixture 5.5 on Г shapes support 5, and the photograph mouthful of camera 2 is being put down against support flat board 3
The virtual image in face microscope group 1, it is of course also possible to the directly reflecting surface of alignment surface microscope group 1.Support flat board 3 is used to place to be collected
Thing 7 and transparent material is used, support flat board 3 is arranged on rotating device 4, and the bottom of rotating device 4 is placed controller 6.
As shown in Fig. 2 rotating device 4 includes base 4.1, base newel 4.1.1, stepper motor 4.2, bearing 4.3, tooth
Wheel 4.4 and revolving part 4.5.The inner ring of bearing 4.3 is fixed on base newel 4.1.1, and revolving part 4.5 is fixed on bearing 4.3
Outer ring, gear 4.4 is fixed on the bottom of revolving part 4.5, in order that revolving part 4.5 can drive support flat board 3 to rotate, supports
The center of flat board 3 is connected with the key of revolving part 4.5, and other detachable or non-removable connections can also be used in addition to key is connected
Mode, such as be threadedly coupled or weld, and supports flat board 3 to be connected to by indirect mode on revolving part 4.5 in addition.Rotation
Turn part 4.5 with stepper motor 4.2 by gear drive, rotation axis 4.6 is by supporting the center of circle of flat board 3 and perpendicular to support
Flat board 3.
Controller 6 includes driver element and embedded control unit, and stepper motor 4.2 is electrically connected with driver element, embedded
Formula control unit is electrically connected with camera 2 and driver element respectively.The rotation of the control rotating device 4 of controller 6 and camera 2
Collection opportunity.
As shown in figure 3, Г shapes support 5 includes first level slide bar 5.1, first level slide bar fixing end 5.1.1, vertical branch
Bar 5.2, the second horizontal sliding bar 5.3, end pole 5.4, fixture 5.5, level crossing pole 5.6, fastening bolt 5.7, fastening bolt
5.8 and fastening bolt 5.9.One end of vertical pole 5.2 is flexibly connected with first level slide bar 5.1, is locked by fastening bolt 5.9
Fasten on first level slide bar 5.1.The one end of second horizontal sliding bar 5.3 is flexibly connected with vertical pole 5.2, by fastening spiral shell
Bolt 5.8 is locked in vertical pole 5.2.The one end of end pole 5.4 is flexibly connected with the second horizontal sliding bar 5.3, by tight
Fixing bolt 5.7 is locked on the second horizontal sliding bar 5.3.Fixture 5.5, which is bolted, is fixed on the one of end pole 5.4
End.Each level crossing of plane microscope group 1, which is bolted, to be fixed on level crossing pole 5.6.Utilize said structure Г shape branch
Frame 5 can adjust the distance of plane microscope group 1 and support flat board 3, and camera 2 along vertical and horizontal direction collapsing length
With the distance of plane microscope group 1.
Such as Fig. 4, each level crossing of plane microscope group 1 has a upside for being located at support flat board 3, and another part is located at branch
The downside of flat board 3 is supportted, is so to ensure that each level crossing can reflect the bottom of thing 7 to be collected so that photograph
Machine 2 can collect the bottom data of thing 7 to be collected.Support the supporting plane 3.1 at the place of flat board 3 and the folder of i-th of level crossing
Angle is αi, angle αiPositioned at the upside of support flat board 3 and the reflecting surface side of plane microscope group 1, each α of 3 level crossingsiRespectively
α1=100 °, α2=120 °, α3=135 °, α1, α2, α3Other angles can also be used, but premise calls are α1≠α2≠α3.The
I level crossing reflecting surface meets at line segment L with supporting plane 3.1i, line segment LiWith line segment Li+1Angle be θi, wherein θ1= θ2=
150°.To make the picture in each level crossing be single imaging, θ1, θ2It is greater than 120 °, the benefit of single imaging can be effective
Using camera 2 pixel and facilitate the post-processing of gathered data.
The specifically used mode of embodiment 1 is：Thing 7 to be collected is placed on to the center of support flat board 3, controlled using controller 6
The intermittent rotation of rotating device 4 processed, such as in 0.3 second static 0.2 second after 10 ° of rotation, then circulate until being rotated by 360 ° always,
Taken pictures, finally data are handled using PC in static 0.2 second internal controller 6 control camera 2 simultaneously
Threedimensional model.
Embodiment 2
As shown in figure 5, the place different from embodiment 1 is：The individual projecting apparatus 8 of embodiment more than 2, and controller 6 also include
PC, the upper figures of PC are not illustrated, and the level crossing number of plane microscope group 1 is changed into 5, wherein α in addition1=90 °, α2=105 °, α3
=120 °, α4=135 °, α5=150 ° and θ1= θ2= θ3= θ4= 120°.The projection mouthful alignment thing 7 to be collected of projecting apparatus 8,
It is of course also possible to be directed at the virtual image of the thing 7 to be collected in plane microscope group 1.
The specifically used mode of embodiment 2 is：The intermittent rotation of PC control rotating device 4, while PC controls projecting apparatus 8
Projective patterns or projective structure light, while controlling camera 2 to take pictures, are finally handled data progress using PC and obtain three
Dimension module.
It is other same as Example 1, repeat no more here.
Embodiment 3
It is to take support flat board 3 motionless with the different places of embodiment 1, plane microscope group 1 and camera 2 can be around support flat boards
3 rotations, and be in embodiment 1：Support flat board 3 can rotate but plane microscope group 1 and camera 2 are remained stationary as.Specifically may be used
So that embodiment 1 to be transformed, in order that plane microscope group 1 and camera 2 can rotate with rotating device 4, the He of plane microscope group 1
Camera 2 can be directly or indirectly connected with revolving part 4.5.Such as shown in fig. 6, revolving part 4.5 is changed to hollow cylindrical, Г
The first level slide bar fixing end 5.1.1 of shape support 5 is fixed on revolving part 4.5, and support flat board 3 is fixed on base newel
4.1.1 on.
It is other same as Example 1, repeat no more here.
Embodiment 4
The place different from embodiment 1 is that rotating device 4 includes a stepper motor, while supporting flat board 3 directly fixed
On the output shaft of stepper motor, the rotation of support flat board 3 is driven by the rotation of stepper motor.
It is other same as Example 1, repeat no more here.
4 embodiments of the above are the preferable implementation of the present invention, only for illustrating technical scheme, are not intended to
Limit protection scope of the present invention, such as the number of the level crossing of plane microscope group 1 can also using 4,6 or more.According to
Camera 2 can be using micro- single, single anti-, industrial camera and the mobile phone for possessing camera function, naturally it is also possible to use video camera.Throw
Shadow instrument 8 can also use single beam laser device or optical grating projection equipment.Plane microscope group 1 and camera 2 are not limited only to one group, also may be used
With even more many using two to three groups, to save acquisition time.αiIt is not limited only to 90 °≤αi180 ° of ＜, in 0 ° of ＜ αi90 ° of ＜
Also possible, such as embodiment 2 can also use α1=70 °, α2=85 °, α3=115 °, α4=132 °, α5=149 °, institute
90 °≤α is used with the angle of above-mentioned 4 preferred embodimentsi180 ° of ＜, because three-dimensional acquisition device can possess in the range of this
More preferable lighting conditions and bigger collection space.According to the difference of specific article size to be collected, such as gathering thing can be with
It is that footwear can also be people, scale of the present invention can be changed when production.Within the spirit and principles of the invention
Any modification, improvement, equivalent substitution for being made etc., are all contained within protection scope of the present invention.
Claims (10)
1. a kind of three-dimensional acquisition device, including support flat board, rotating device and image collecting device, described image harvester bag
Containing camera lens and imaging sensor, it is characterised in that：Also include plane microscope group, each level crossing reflecting surface of the plane microscope group is suitable
The edge of the support flat board, around the support flat board；
The angle of each level crossing of the plane microscope group and the support flat board is not mutually equal；
Reflecting surface of the acquisition port of described image harvester against the plane microscope group；
The rotation axis of the rotating device is by and perpendicular to the support flat board；
The rotating device is directly or indirectly connected with the support flat board, for driving the support flat board to rotate, or
The rotating device is directly or indirectly connected with described image harvester and the plane microscope group, for driving described image
Harvester and plane microscope group rotation.
2. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：The acquisition port of described image harvester is described in
Support the virtual image of the flat board in the plane microscope group.
3. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：The support flat board uses transparent material, and institute
Stating each level crossing in plane microscope group, some is located at the upside of the support flat board, and another part is located at the branch
Support the downside of flat board.
4. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：Supporting plane where the support flat board with it is described
The angle of i-th of level crossing is αi, the angle αiPositioned at the support flat board upside and the plane microscope group reflecting surface one
Side, and have 90 °≤αi180 ° of ＜, wherein 1≤i≤K, K are the level crossing number of the plane microscope group.
5. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：I-th of level crossing reflecting surface and the support
Supporting plane where flat board meets at line segment Li, line segment LiWith line segment Li+1Angle be θi, θiMeet θi>=120 °, wherein 1
≤ i≤K-1, K are the level crossing number of the plane microscope group.
6. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：Described image harvester is camera or video camera
Or the mobile phone with camera function.
7. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：Also include Г shape supports, the Г shapes support it is perpendicular
Straight part is located at the back side of the plane microscope group, and one end of the Г shapes support is provided with fixture, described image harvester folder
Hold on described fixture, the Г shapes support can be along vertical and horizontal direction collapsing length.
8. three-dimensional acquisition device as claimed in claim 1, it is characterised in that：The rotating device includes firm banking and rotation structure
Part, the rotating member is rotated with the firm banking and is connected；The rotating member supports flat board directly or indirectly with described
Connection, or the rotating member are directly or indirectly connected with described image harvester and the plane microscope group.
9. the three-dimensional acquisition device as described in claim 1 or 8, it is characterised in that：Also include control device, the control device bag
Containing embedded control unit, the control device is electrically connected with the rotating device and described image harvester respectively；It is described
Rotating device includes motor, and the motor is used to drive the rotating device to be rotated.
10. three-dimensional acquisition device as claimed in claim 9, it is characterised in that：Also include projection arrangement, the projection device
The virtual image of mouth alignment thing to be collected or alignment thing to be collected in the plane microscope group；The projection arrangement is filled with the control
Electric connection is put, for controlling the projection pattern of the projection arrangement and the opportunity of projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198360.6A CN107289874A (en) | 2016-04-01 | 2016-04-01 | Three-dimensional acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198360.6A CN107289874A (en) | 2016-04-01 | 2016-04-01 | Three-dimensional acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107289874A true CN107289874A (en) | 2017-10-24 |
Family
ID=60087266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610198360.6A Pending CN107289874A (en) | 2016-04-01 | 2016-04-01 | Three-dimensional acquisition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107289874A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693635A (en) * | 2018-04-13 | 2018-10-23 | 东华大学 | The light conversion device and design method of automotive upholstery surface blemish on-line checking |
| CN108846889A (en) * | 2018-06-29 | 2018-11-20 | 苏州大学张家港工业技术研究院 | 3-dimensional image information acquisition method, mobile terminal and system |
| CN109349795A (en) * | 2018-12-21 | 2019-02-19 | 四川变体科技有限公司 | A kind of solid picture-taking dais |
| CN109556516A (en) * | 2018-12-19 | 2019-04-02 | 武汉科技大学 | A kind of structure light experiment porch of polyphaser multi-projector |
| CN110611805A (en) * | 2019-09-02 | 2019-12-24 | 广东虹勤通讯技术有限公司 | 3D imaging system and method |
| CN111182190A (en) * | 2020-02-11 | 2020-05-19 | 南京林业大学 | Green plum single-angle image acquisition device |
| CN118379728A (en) * | 2024-06-27 | 2024-07-23 | 安徽农业大学 | Corn cob and grain panoramic counting method and counting system based on double plane mirrors |
-
2016
- 2016-04-01 CN CN201610198360.6A patent/CN107289874A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693635A (en) * | 2018-04-13 | 2018-10-23 | 东华大学 | The light conversion device and design method of automotive upholstery surface blemish on-line checking |
| CN108693635B (en) * | 2018-04-13 | 2020-06-23 | 东华大学 | Light ray converter for online detection of surface flaws of automotive interior parts and design method |
| CN108846889A (en) * | 2018-06-29 | 2018-11-20 | 苏州大学张家港工业技术研究院 | 3-dimensional image information acquisition method, mobile terminal and system |
| CN109556516A (en) * | 2018-12-19 | 2019-04-02 | 武汉科技大学 | A kind of structure light experiment porch of polyphaser multi-projector |
| CN109349795A (en) * | 2018-12-21 | 2019-02-19 | 四川变体科技有限公司 | A kind of solid picture-taking dais |
| CN110611805A (en) * | 2019-09-02 | 2019-12-24 | 广东虹勤通讯技术有限公司 | 3D imaging system and method |
| CN111182190A (en) * | 2020-02-11 | 2020-05-19 | 南京林业大学 | Green plum single-angle image acquisition device |
| CN118379728A (en) * | 2024-06-27 | 2024-07-23 | 安徽农业大学 | Corn cob and grain panoramic counting method and counting system based on double plane mirrors |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171024 |
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